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361ebed5 HSDT |
1 | /* |
2 | * Huawei SSD device driver | |
3 | * Copyright (c) 2016, Huawei Technologies Co., Ltd. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms and conditions of the GNU General Public License, | |
7 | * version 2, as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | */ | |
14 | ||
15 | #ifndef LINUX_VERSION_CODE | |
16 | #include <linux/version.h> | |
17 | #endif | |
18 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)) | |
19 | #include <linux/config.h> | |
20 | #endif | |
21 | #include <linux/types.h> | |
22 | #include <linux/kernel.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/bio.h> | |
25 | #include <linux/timer.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/pci.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/spinlock.h> | |
30 | #include <linux/blkdev.h> | |
31 | #include <linux/sched.h> | |
32 | #include <linux/fcntl.h> | |
33 | #include <linux/interrupt.h> | |
34 | #include <linux/compiler.h> | |
35 | #include <linux/bitops.h> | |
36 | #include <linux/delay.h> | |
37 | #include <linux/time.h> | |
38 | #include <linux/stat.h> | |
39 | #include <linux/fs.h> | |
40 | #include <linux/dma-mapping.h> | |
41 | #include <linux/completion.h> | |
42 | #include <linux/workqueue.h> | |
43 | #include <linux/mm.h> | |
44 | #include <linux/ioctl.h> | |
45 | #include <linux/hdreg.h> /* HDIO_GETGEO */ | |
46 | #include <linux/list.h> | |
47 | #include <linux/reboot.h> | |
48 | #include <linux/kthread.h> | |
49 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) | |
50 | #include <linux/seq_file.h> | |
51 | #endif | |
52 | #include <asm/uaccess.h> | |
53 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) | |
54 | #include <linux/scatterlist.h> | |
55 | #include <linux/vmalloc.h> | |
56 | #else | |
57 | #include <asm/scatterlist.h> | |
58 | #endif | |
59 | #include <asm/io.h> | |
60 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17)) | |
61 | #include <linux/devfs_fs_kernel.h> | |
62 | #endif | |
8c60fd82 KM |
63 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) |
64 | #define bio_endio(bio, errors) bio_endio(bio) | |
65 | #endif | |
361ebed5 HSDT |
66 | |
67 | /* driver */ | |
68 | #define MODULE_NAME "hio" | |
69 | #define DRIVER_VERSION "2.1.0.23" | |
70 | #define DRIVER_VERSION_LEN 16 | |
71 | ||
72 | #define SSD_FW_MIN 0x1 | |
73 | ||
74 | #define SSD_DEV_NAME MODULE_NAME | |
75 | #define SSD_DEV_NAME_LEN 16 | |
76 | #define SSD_CDEV_NAME "c"SSD_DEV_NAME | |
77 | #define SSD_SDEV_NAME "s"SSD_DEV_NAME | |
78 | ||
79 | ||
80 | #define SSD_CMAJOR 0 | |
81 | #define SSD_MAJOR 0 | |
82 | #define SSD_MAJOR_SL 0 | |
83 | #define SSD_MINORS 16 | |
84 | ||
85 | #define SSD_MAX_DEV 702 | |
86 | #define SSD_ALPHABET_NUM 26 | |
87 | ||
88 | #define hio_info(f, arg...) printk(KERN_INFO MODULE_NAME"info: " f , ## arg) | |
89 | #define hio_note(f, arg...) printk(KERN_NOTICE MODULE_NAME"note: " f , ## arg) | |
90 | #define hio_warn(f, arg...) printk(KERN_WARNING MODULE_NAME"warn: " f , ## arg) | |
91 | #define hio_err(f, arg...) printk(KERN_ERR MODULE_NAME"err: " f , ## arg) | |
92 | ||
93 | /* slave port */ | |
94 | #define SSD_SLAVE_PORT_DEVID 0x000a | |
95 | ||
96 | /* int mode */ | |
97 | ||
98 | /* 2.6.9 msi affinity bug, should turn msi & msi-x off */ | |
99 | //#define SSD_MSI | |
100 | #define SSD_ESCAPE_IRQ | |
101 | ||
102 | //#define SSD_MSIX | |
103 | #ifndef MODULE | |
104 | #define SSD_MSIX | |
105 | #endif | |
106 | #define SSD_MSIX_VEC 8 | |
107 | #ifdef SSD_MSIX | |
108 | #undef SSD_MSI | |
109 | //#undef SSD_ESCAPE_IRQ | |
110 | #define SSD_MSIX_AFFINITY_FORCE | |
111 | #endif | |
112 | ||
113 | #define SSD_TRIM | |
114 | ||
115 | /* Over temperature protect */ | |
116 | #define SSD_OT_PROTECT | |
117 | ||
118 | #ifdef SSD_QUEUE_PBIO | |
119 | #define BIO_SSD_PBIO 20 | |
120 | #endif | |
121 | ||
122 | /* debug */ | |
123 | //#define SSD_DEBUG_ERR | |
124 | ||
125 | /* cmd timer */ | |
126 | #define SSD_CMD_TIMEOUT (60*HZ) | |
127 | ||
128 | /* i2c & smbus */ | |
129 | #define SSD_SPI_TIMEOUT (5*HZ) | |
130 | #define SSD_I2C_TIMEOUT (5*HZ) | |
131 | ||
132 | #define SSD_I2C_MAX_DATA (127) | |
133 | #define SSD_SMBUS_BLOCK_MAX (32) | |
134 | #define SSD_SMBUS_DATA_MAX (SSD_SMBUS_BLOCK_MAX + 2) | |
135 | ||
136 | /* wait for init */ | |
137 | #define SSD_INIT_WAIT (1000) //1s | |
138 | #define SSD_CONTROLLER_WAIT (20*1000/SSD_INIT_WAIT) //20s | |
139 | #define SSD_INIT_MAX_WAIT (500*1000/SSD_INIT_WAIT) //500s | |
140 | #define SSD_INIT_MAX_WAIT_V3_2 (1400*1000/SSD_INIT_WAIT) //1400s | |
141 | #define SSD_RAM_INIT_MAX_WAIT (10*1000/SSD_INIT_WAIT) //10s | |
142 | #define SSD_CH_INFO_MAX_WAIT (10*1000/SSD_INIT_WAIT) //10s | |
143 | ||
144 | /* blkdev busy wait */ | |
145 | #define SSD_DEV_BUSY_WAIT 1000 //ms | |
146 | #define SSD_DEV_BUSY_MAX_WAIT (8*1000/SSD_DEV_BUSY_WAIT) //8s | |
147 | ||
148 | /* smbus retry */ | |
149 | #define SSD_SMBUS_RETRY_INTERVAL (5) //ms | |
150 | #define SSD_SMBUS_RETRY_MAX (1000/SSD_SMBUS_RETRY_INTERVAL) | |
151 | ||
152 | #define SSD_BM_RETRY_MAX 7 | |
153 | ||
154 | /* bm routine interval */ | |
155 | #define SSD_BM_CAP_LEARNING_DELAY (10*60*1000) | |
156 | ||
157 | /* routine interval */ | |
158 | #define SSD_ROUTINE_INTERVAL (10*1000) //10s | |
159 | #define SSD_HWMON_ROUTINE_TICK (60*1000/SSD_ROUTINE_INTERVAL) | |
160 | #define SSD_CAPMON_ROUTINE_TICK ((3600*1000/SSD_ROUTINE_INTERVAL)*24*30) | |
161 | #define SSD_CAPMON2_ROUTINE_TICK (10*60*1000/SSD_ROUTINE_INTERVAL) //fault recover | |
162 | ||
163 | /* dma align */ | |
164 | #define SSD_DMA_ALIGN (16) | |
165 | ||
166 | /* some hw defalut */ | |
167 | #define SSD_LOG_MAX_SZ 4096 | |
168 | ||
169 | #define SSD_NAND_OOB_SZ 1024 | |
170 | #define SSD_NAND_ID_SZ 8 | |
171 | #define SSD_NAND_ID_BUFF_SZ 1024 | |
172 | #define SSD_NAND_MAX_CE 2 | |
173 | ||
174 | #define SSD_BBT_RESERVED 8 | |
175 | ||
176 | #define SSD_ECC_MAX_FLIP (64+1) | |
177 | ||
178 | #define SSD_RAM_ALIGN 16 | |
179 | ||
180 | ||
181 | #define SSD_RELOAD_FLAG 0x3333CCCC | |
182 | #define SSD_RELOAD_FW 0xAA5555AA | |
183 | #define SSD_RESET_NOINIT 0xAA5555AA | |
184 | #define SSD_RESET 0x55AAAA55 | |
185 | #define SSD_RESET_FULL 0x5A | |
186 | //#define SSD_RESET_WAIT 1000 //1s | |
187 | //#define SSD_RESET_MAX_WAIT (200*1000/SSD_RESET_WAIT) //200s | |
188 | ||
189 | ||
190 | /* reverion 1 */ | |
191 | #define SSD_PROTOCOL_V1 0x0 | |
192 | ||
193 | #define SSD_ROM_SIZE (16*1024*1024) | |
194 | #define SSD_ROM_BLK_SIZE (256*1024) | |
195 | #define SSD_ROM_PAGE_SIZE (256) | |
196 | #define SSD_ROM_NR_BRIDGE_FW 2 | |
197 | #define SSD_ROM_NR_CTRL_FW 2 | |
198 | #define SSD_ROM_BRIDGE_FW_BASE 0 | |
199 | #define SSD_ROM_BRIDGE_FW_SIZE (2*1024*1024) | |
200 | #define SSD_ROM_CTRL_FW_BASE (SSD_ROM_NR_BRIDGE_FW*SSD_ROM_BRIDGE_FW_SIZE) | |
201 | #define SSD_ROM_CTRL_FW_SIZE (5*1024*1024) | |
202 | #define SSD_ROM_LABEL_BASE (SSD_ROM_CTRL_FW_BASE+SSD_ROM_CTRL_FW_SIZE*SSD_ROM_NR_CTRL_FW) | |
203 | #define SSD_ROM_VP_BASE (SSD_ROM_LABEL_BASE+SSD_ROM_BLK_SIZE) | |
204 | ||
205 | /* reverion 3 */ | |
206 | #define SSD_PROTOCOL_V3 0x3000000 | |
207 | #define SSD_PROTOCOL_V3_1_1 0x3010001 | |
208 | #define SSD_PROTOCOL_V3_1_3 0x3010003 | |
209 | #define SSD_PROTOCOL_V3_2 0x3020000 | |
210 | #define SSD_PROTOCOL_V3_2_1 0x3020001 /* <4KB improved */ | |
211 | #define SSD_PROTOCOL_V3_2_2 0x3020002 /* ot protect */ | |
212 | #define SSD_PROTOCOL_V3_2_4 0x3020004 | |
213 | ||
214 | ||
215 | #define SSD_PV3_ROM_NR_BM_FW 1 | |
216 | #define SSD_PV3_ROM_BM_FW_SZ (64*1024*8) | |
217 | ||
218 | #define SSD_ROM_LOG_SZ (64*1024*4) | |
219 | ||
220 | #define SSD_ROM_NR_SMART_MAX 2 | |
221 | #define SSD_PV3_ROM_NR_SMART SSD_ROM_NR_SMART_MAX | |
222 | #define SSD_PV3_ROM_SMART_SZ (64*1024) | |
223 | ||
224 | /* reverion 3.2 */ | |
225 | #define SSD_PV3_2_ROM_LOG_SZ (64*1024*80) /* 5MB */ | |
226 | #define SSD_PV3_2_ROM_SEC_SZ (256*1024) /* 256KB */ | |
227 | ||
228 | ||
229 | /* register */ | |
230 | #define SSD_REQ_FIFO_REG 0x0000 | |
231 | #define SSD_RESP_FIFO_REG 0x0008 //0x0010 | |
232 | #define SSD_RESP_PTR_REG 0x0010 //0x0018 | |
233 | #define SSD_INTR_INTERVAL_REG 0x0018 | |
234 | #define SSD_READY_REG 0x001C | |
235 | #define SSD_BRIDGE_TEST_REG 0x0020 | |
236 | #define SSD_STRIPE_SIZE_REG 0x0028 | |
237 | #define SSD_CTRL_VER_REG 0x0030 //controller | |
238 | #define SSD_BRIDGE_VER_REG 0x0034 //bridge | |
239 | #define SSD_PCB_VER_REG 0x0038 | |
240 | #define SSD_BURN_FLAG_REG 0x0040 | |
241 | #define SSD_BRIDGE_INFO_REG 0x0044 | |
242 | ||
243 | #define SSD_WL_VAL_REG 0x0048 //32-bit | |
244 | ||
245 | #define SSD_BB_INFO_REG 0x004C | |
246 | ||
247 | #define SSD_ECC_TEST_REG 0x0050 //test only | |
248 | #define SSD_ERASE_TEST_REG 0x0058 //test only | |
249 | #define SSD_WRITE_TEST_REG 0x0060 //test only | |
250 | ||
251 | #define SSD_RESET_REG 0x0068 | |
252 | #define SSD_RELOAD_FW_REG 0x0070 | |
253 | ||
254 | #define SSD_RESERVED_BLKS_REG 0x0074 | |
255 | #define SSD_VALID_PAGES_REG 0x0078 | |
256 | #define SSD_CH_INFO_REG 0x007C | |
257 | ||
258 | #define SSD_CTRL_TEST_REG_SZ 0x8 | |
259 | #define SSD_CTRL_TEST_REG0 0x0080 | |
260 | #define SSD_CTRL_TEST_REG1 0x0088 | |
261 | #define SSD_CTRL_TEST_REG2 0x0090 | |
262 | #define SSD_CTRL_TEST_REG3 0x0098 | |
263 | #define SSD_CTRL_TEST_REG4 0x00A0 | |
264 | #define SSD_CTRL_TEST_REG5 0x00A8 | |
265 | #define SSD_CTRL_TEST_REG6 0x00B0 | |
266 | #define SSD_CTRL_TEST_REG7 0x00B8 | |
267 | ||
268 | #define SSD_FLASH_INFO_REG0 0x00C0 | |
269 | #define SSD_FLASH_INFO_REG1 0x00C8 | |
270 | #define SSD_FLASH_INFO_REG2 0x00D0 | |
271 | #define SSD_FLASH_INFO_REG3 0x00D8 | |
272 | #define SSD_FLASH_INFO_REG4 0x00E0 | |
273 | #define SSD_FLASH_INFO_REG5 0x00E8 | |
274 | #define SSD_FLASH_INFO_REG6 0x00F0 | |
275 | #define SSD_FLASH_INFO_REG7 0x00F8 | |
276 | ||
277 | #define SSD_RESP_INFO_REG 0x01B8 | |
278 | #define SSD_NAND_BUFF_BASE 0x01BC //for nand write | |
279 | ||
280 | #define SSD_CHIP_INFO_REG_SZ 0x10 | |
281 | #define SSD_CHIP_INFO_REG0 0x0100 //128 bit | |
282 | #define SSD_CHIP_INFO_REG1 0x0110 | |
283 | #define SSD_CHIP_INFO_REG2 0x0120 | |
284 | #define SSD_CHIP_INFO_REG3 0x0130 | |
285 | #define SSD_CHIP_INFO_REG4 0x0140 | |
286 | #define SSD_CHIP_INFO_REG5 0x0150 | |
287 | #define SSD_CHIP_INFO_REG6 0x0160 | |
288 | #define SSD_CHIP_INFO_REG7 0x0170 | |
289 | ||
290 | #define SSD_RAM_INFO_REG 0x01C4 | |
291 | ||
292 | #define SSD_BBT_BASE_REG 0x01C8 | |
293 | #define SSD_ECT_BASE_REG 0x01CC | |
294 | ||
295 | #define SSD_CLEAR_INTR_REG 0x01F0 | |
296 | ||
297 | #define SSD_INIT_STATE_REG_SZ 0x8 | |
298 | #define SSD_INIT_STATE_REG0 0x0200 | |
299 | #define SSD_INIT_STATE_REG1 0x0208 | |
300 | #define SSD_INIT_STATE_REG2 0x0210 | |
301 | #define SSD_INIT_STATE_REG3 0x0218 | |
302 | #define SSD_INIT_STATE_REG4 0x0220 | |
303 | #define SSD_INIT_STATE_REG5 0x0228 | |
304 | #define SSD_INIT_STATE_REG6 0x0230 | |
305 | #define SSD_INIT_STATE_REG7 0x0238 | |
306 | ||
307 | #define SSD_ROM_INFO_REG 0x0600 | |
308 | #define SSD_ROM_BRIDGE_FW_INFO_REG 0x0604 | |
309 | #define SSD_ROM_CTRL_FW_INFO_REG 0x0608 | |
310 | #define SSD_ROM_VP_INFO_REG 0x060C | |
311 | ||
312 | #define SSD_LOG_INFO_REG 0x0610 | |
313 | #define SSD_LED_REG 0x0614 | |
314 | #define SSD_MSG_BASE_REG 0x06F8 | |
315 | ||
316 | /*spi reg */ | |
317 | #define SSD_SPI_REG_CMD 0x0180 | |
318 | #define SSD_SPI_REG_CMD_HI 0x0184 | |
319 | #define SSD_SPI_REG_WDATA 0x0188 | |
320 | #define SSD_SPI_REG_ID 0x0190 | |
321 | #define SSD_SPI_REG_STATUS 0x0198 | |
322 | #define SSD_SPI_REG_RDATA 0x01A0 | |
323 | #define SSD_SPI_REG_READY 0x01A8 | |
324 | ||
325 | /* i2c register */ | |
326 | #define SSD_I2C_CTRL_REG 0x06F0 | |
327 | #define SSD_I2C_RDATA_REG 0x06F4 | |
328 | ||
329 | /* temperature reg */ | |
330 | #define SSD_BRIGE_TEMP_REG 0x0618 | |
331 | ||
332 | #define SSD_CTRL_TEMP_REG0 0x0700 | |
333 | #define SSD_CTRL_TEMP_REG1 0x0708 | |
334 | #define SSD_CTRL_TEMP_REG2 0x0710 | |
335 | #define SSD_CTRL_TEMP_REG3 0x0718 | |
336 | #define SSD_CTRL_TEMP_REG4 0x0720 | |
337 | #define SSD_CTRL_TEMP_REG5 0x0728 | |
338 | #define SSD_CTRL_TEMP_REG6 0x0730 | |
339 | #define SSD_CTRL_TEMP_REG7 0x0738 | |
340 | ||
341 | /* reversion 3 reg */ | |
342 | #define SSD_PROTOCOL_VER_REG 0x01B4 | |
343 | ||
344 | #define SSD_FLUSH_TIMEOUT_REG 0x02A4 | |
345 | #define SSD_BM_FAULT_REG 0x0660 | |
346 | ||
347 | #define SSD_PV3_RAM_STATUS_REG_SZ 0x4 | |
348 | #define SSD_PV3_RAM_STATUS_REG0 0x0260 | |
349 | #define SSD_PV3_RAM_STATUS_REG1 0x0264 | |
350 | #define SSD_PV3_RAM_STATUS_REG2 0x0268 | |
351 | #define SSD_PV3_RAM_STATUS_REG3 0x026C | |
352 | #define SSD_PV3_RAM_STATUS_REG4 0x0270 | |
353 | #define SSD_PV3_RAM_STATUS_REG5 0x0274 | |
354 | #define SSD_PV3_RAM_STATUS_REG6 0x0278 | |
355 | #define SSD_PV3_RAM_STATUS_REG7 0x027C | |
356 | ||
357 | #define SSD_PV3_CHIP_INFO_REG_SZ 0x40 | |
358 | #define SSD_PV3_CHIP_INFO_REG0 0x0300 | |
359 | #define SSD_PV3_CHIP_INFO_REG1 0x0340 | |
360 | #define SSD_PV3_CHIP_INFO_REG2 0x0380 | |
361 | #define SSD_PV3_CHIP_INFO_REG3 0x03B0 | |
362 | #define SSD_PV3_CHIP_INFO_REG4 0x0400 | |
363 | #define SSD_PV3_CHIP_INFO_REG5 0x0440 | |
364 | #define SSD_PV3_CHIP_INFO_REG6 0x0480 | |
365 | #define SSD_PV3_CHIP_INFO_REG7 0x04B0 | |
366 | ||
367 | #define SSD_PV3_INIT_STATE_REG_SZ 0x20 | |
368 | #define SSD_PV3_INIT_STATE_REG0 0x0500 | |
369 | #define SSD_PV3_INIT_STATE_REG1 0x0520 | |
370 | #define SSD_PV3_INIT_STATE_REG2 0x0540 | |
371 | #define SSD_PV3_INIT_STATE_REG3 0x0560 | |
372 | #define SSD_PV3_INIT_STATE_REG4 0x0580 | |
373 | #define SSD_PV3_INIT_STATE_REG5 0x05A0 | |
374 | #define SSD_PV3_INIT_STATE_REG6 0x05C0 | |
375 | #define SSD_PV3_INIT_STATE_REG7 0x05E0 | |
376 | ||
377 | /* reversion 3.1.1 reg */ | |
378 | #define SSD_FULL_RESET_REG 0x01B0 | |
379 | ||
380 | #define SSD_CTRL_REG_ZONE_SZ 0x800 | |
381 | ||
382 | #define SSD_BB_THRESHOLD_L1_REG 0x2C0 | |
383 | #define SSD_BB_THRESHOLD_L2_REG 0x2C4 | |
384 | ||
385 | #define SSD_BB_ACC_REG_SZ 0x4 | |
386 | #define SSD_BB_ACC_REG0 0x21C0 | |
387 | #define SSD_BB_ACC_REG1 0x29C0 | |
388 | #define SSD_BB_ACC_REG2 0x31C0 | |
389 | ||
390 | #define SSD_EC_THRESHOLD_L1_REG 0x2C8 | |
391 | #define SSD_EC_THRESHOLD_L2_REG 0x2CC | |
392 | ||
393 | #define SSD_EC_ACC_REG_SZ 0x4 | |
394 | #define SSD_EC_ACC_REG0 0x21E0 | |
395 | #define SSD_EC_ACC_REG1 0x29E0 | |
396 | #define SSD_EC_ACC_REG2 0x31E0 | |
397 | ||
398 | /* reversion 3.1.2 & 3.1.3 reg */ | |
399 | #define SSD_HW_STATUS_REG 0x02AC | |
400 | ||
401 | #define SSD_PLP_INFO_REG 0x0664 | |
402 | ||
403 | /*reversion 3.2 reg*/ | |
404 | #define SSD_POWER_ON_REG 0x01EC | |
405 | #define SSD_PCIE_LINKSTATUS_REG 0x01F8 | |
406 | #define SSD_PL_CAP_LEARN_REG 0x01FC | |
407 | ||
408 | #define SSD_FPGA_1V0_REG0 0x2070 | |
409 | #define SSD_FPGA_1V8_REG0 0x2078 | |
410 | #define SSD_FPGA_1V0_REG1 0x2870 | |
411 | #define SSD_FPGA_1V8_REG1 0x2878 | |
412 | ||
413 | /*reversion 3.2 reg*/ | |
414 | #define SSD_READ_OT_REG0 0x2260 | |
415 | #define SSD_WRITE_OT_REG0 0x2264 | |
416 | #define SSD_READ_OT_REG1 0x2A60 | |
417 | #define SSD_WRITE_OT_REG1 0x2A64 | |
418 | ||
419 | ||
420 | /* function */ | |
421 | #define SSD_FUNC_READ 0x01 | |
422 | #define SSD_FUNC_WRITE 0x02 | |
423 | #define SSD_FUNC_NAND_READ_WOOB 0x03 | |
424 | #define SSD_FUNC_NAND_READ 0x04 | |
425 | #define SSD_FUNC_NAND_WRITE 0x05 | |
426 | #define SSD_FUNC_NAND_ERASE 0x06 | |
427 | #define SSD_FUNC_NAND_READ_ID 0x07 | |
428 | #define SSD_FUNC_READ_LOG 0x08 | |
429 | #define SSD_FUNC_TRIM 0x09 | |
430 | #define SSD_FUNC_RAM_READ 0x10 | |
431 | #define SSD_FUNC_RAM_WRITE 0x11 | |
432 | #define SSD_FUNC_FLUSH 0x12 //cache / bbt | |
433 | ||
434 | /* spi function */ | |
435 | #define SSD_SPI_CMD_PROGRAM 0x02 | |
436 | #define SSD_SPI_CMD_READ 0x03 | |
437 | #define SSD_SPI_CMD_W_DISABLE 0x04 | |
438 | #define SSD_SPI_CMD_READ_STATUS 0x05 | |
439 | #define SSD_SPI_CMD_W_ENABLE 0x06 | |
440 | #define SSD_SPI_CMD_ERASE 0xd8 | |
441 | #define SSD_SPI_CMD_CLSR 0x30 | |
442 | #define SSD_SPI_CMD_READ_ID 0x9f | |
443 | ||
444 | /* i2c */ | |
445 | #define SSD_I2C_CTRL_READ 0x00 | |
446 | #define SSD_I2C_CTRL_WRITE 0x01 | |
447 | ||
448 | /* i2c internal register */ | |
449 | #define SSD_I2C_CFG_REG 0x00 | |
450 | #define SSD_I2C_DATA_REG 0x01 | |
451 | #define SSD_I2C_CMD_REG 0x02 | |
452 | #define SSD_I2C_STATUS_REG 0x03 | |
453 | #define SSD_I2C_SADDR_REG 0x04 | |
454 | #define SSD_I2C_LEN_REG 0x05 | |
455 | #define SSD_I2C_RLEN_REG 0x06 | |
456 | #define SSD_I2C_WLEN_REG 0x07 | |
457 | #define SSD_I2C_RESET_REG 0x08 //write for reset | |
458 | #define SSD_I2C_PRER_REG 0x09 | |
459 | ||
460 | ||
461 | /* hw mon */ | |
462 | /* FPGA volt = ADC_value / 4096 * 3v */ | |
463 | #define SSD_FPGA_1V0_ADC_MIN 1228 // 0.9v | |
464 | #define SSD_FPGA_1V0_ADC_MAX 1502 // 1.1v | |
465 | #define SSD_FPGA_1V8_ADC_MIN 2211 // 1.62v | |
466 | #define SSD_FPGA_1V8_ADC_MAX 2703 // 1.98 | |
467 | ||
468 | /* ADC value */ | |
469 | #define SSD_FPGA_VOLT_MAX(val) (((val) & 0xffff) >> 4) | |
470 | #define SSD_FPGA_VOLT_MIN(val) (((val >> 16) & 0xffff) >> 4) | |
471 | #define SSD_FPGA_VOLT_CUR(val) (((val >> 32) & 0xffff) >> 4) | |
472 | #define SSD_FPGA_VOLT(val) ((val * 3000) >> 12) | |
473 | ||
474 | #define SSD_VOLT_LOG_DATA(idx, ctrl, volt) (((uint32_t)idx << 24) | ((uint32_t)ctrl << 16) | ((uint32_t)volt)) | |
475 | ||
476 | enum ssd_fpga_volt | |
477 | { | |
478 | SSD_FPGA_1V0 = 0, | |
479 | SSD_FPGA_1V8, | |
480 | SSD_FPGA_VOLT_NR | |
481 | }; | |
482 | ||
483 | enum ssd_clock | |
484 | { | |
485 | SSD_CLOCK_166M_LOST = 0, | |
486 | SSD_CLOCK_166M_SKEW, | |
487 | SSD_CLOCK_156M_LOST, | |
488 | SSD_CLOCK_156M_SKEW, | |
489 | SSD_CLOCK_NR | |
490 | }; | |
491 | ||
492 | /* sensor */ | |
493 | #define SSD_SENSOR_LM75_SADDRESS (0x49 << 1) | |
494 | #define SSD_SENSOR_LM80_SADDRESS (0x28 << 1) | |
495 | ||
496 | #define SSD_SENSOR_CONVERT_TEMP(val) ((int)(val >> 8)) | |
497 | ||
498 | #define SSD_INLET_OT_TEMP (55) //55 DegC | |
499 | #define SSD_INLET_OT_HYST (50) //50 DegC | |
500 | #define SSD_FLASH_OT_TEMP (70) //70 DegC | |
501 | #define SSD_FLASH_OT_HYST (65) //65 DegC | |
502 | ||
503 | enum ssd_sensor | |
504 | { | |
505 | SSD_SENSOR_LM80 = 0, | |
506 | SSD_SENSOR_LM75, | |
507 | SSD_SENSOR_NR | |
508 | }; | |
509 | ||
510 | ||
511 | /* lm75 */ | |
512 | enum ssd_lm75_reg | |
513 | { | |
514 | SSD_LM75_REG_TEMP = 0, | |
515 | SSD_LM75_REG_CONF, | |
516 | SSD_LM75_REG_THYST, | |
517 | SSD_LM75_REG_TOS | |
518 | }; | |
519 | ||
520 | /* lm96080 */ | |
521 | #define SSD_LM80_REG_IN_MAX(nr) (0x2a + (nr) * 2) | |
522 | #define SSD_LM80_REG_IN_MIN(nr) (0x2b + (nr) * 2) | |
523 | #define SSD_LM80_REG_IN(nr) (0x20 + (nr)) | |
524 | ||
525 | #define SSD_LM80_REG_FAN1 0x28 | |
526 | #define SSD_LM80_REG_FAN2 0x29 | |
527 | #define SSD_LM80_REG_FAN_MIN(nr) (0x3b + (nr)) | |
528 | ||
529 | #define SSD_LM80_REG_TEMP 0x27 | |
530 | #define SSD_LM80_REG_TEMP_HOT_MAX 0x38 | |
531 | #define SSD_LM80_REG_TEMP_HOT_HYST 0x39 | |
532 | #define SSD_LM80_REG_TEMP_OS_MAX 0x3a | |
533 | #define SSD_LM80_REG_TEMP_OS_HYST 0x3b | |
534 | ||
535 | #define SSD_LM80_REG_CONFIG 0x00 | |
536 | #define SSD_LM80_REG_ALARM1 0x01 | |
537 | #define SSD_LM80_REG_ALARM2 0x02 | |
538 | #define SSD_LM80_REG_MASK1 0x03 | |
539 | #define SSD_LM80_REG_MASK2 0x04 | |
540 | #define SSD_LM80_REG_FANDIV 0x05 | |
541 | #define SSD_LM80_REG_RES 0x06 | |
542 | ||
543 | #define SSD_LM80_CONVERT_VOLT(val) ((val * 10) >> 8) | |
544 | ||
545 | #define SSD_LM80_3V3_VOLT(val) ((val)*33/19) | |
546 | ||
547 | #define SSD_LM80_CONV_INTERVAL (1000) | |
548 | ||
549 | enum ssd_lm80_in | |
550 | { | |
551 | SSD_LM80_IN_CAP = 0, | |
552 | SSD_LM80_IN_1V2, | |
553 | SSD_LM80_IN_1V2a, | |
554 | SSD_LM80_IN_1V5, | |
555 | SSD_LM80_IN_1V8, | |
556 | SSD_LM80_IN_FPGA_3V3, | |
557 | SSD_LM80_IN_3V3, | |
558 | SSD_LM80_IN_NR | |
559 | }; | |
560 | ||
561 | struct ssd_lm80_limit | |
562 | { | |
563 | uint8_t low; | |
564 | uint8_t high; | |
565 | }; | |
566 | ||
567 | /* +/- 5% except cap in*/ | |
568 | static struct ssd_lm80_limit ssd_lm80_limit[SSD_LM80_IN_NR] = { | |
569 | {171, 217}, /* CAP in: 1710 ~ 2170 */ | |
570 | {114, 126}, | |
571 | {114, 126}, | |
572 | {142, 158}, | |
573 | {171, 189}, | |
574 | {180, 200}, | |
575 | {180, 200}, | |
576 | }; | |
577 | ||
578 | /* temperature sensors */ | |
579 | enum ssd_temp_sensor | |
580 | { | |
581 | SSD_TEMP_INLET = 0, | |
582 | SSD_TEMP_FLASH, | |
583 | SSD_TEMP_CTRL, | |
584 | SSD_TEMP_NR | |
585 | }; | |
586 | ||
587 | ||
588 | #ifdef SSD_OT_PROTECT | |
589 | #define SSD_OT_DELAY (60) //ms | |
590 | ||
591 | #define SSD_OT_TEMP (90) //90 DegC | |
592 | ||
593 | #define SSD_OT_TEMP_HYST (85) //85 DegC | |
594 | #endif | |
595 | ||
596 | /* fpga temperature */ | |
597 | //#define CONVERT_TEMP(val) ((float)(val)*503.975f/4096.0f-273.15f) | |
598 | #define CONVERT_TEMP(val) ((val)*504/4096-273) | |
599 | ||
600 | #define MAX_TEMP(val) CONVERT_TEMP(((val & 0xffff) >> 4)) | |
601 | #define MIN_TEMP(val) CONVERT_TEMP((((val>>16) & 0xffff) >> 4)) | |
602 | #define CUR_TEMP(val) CONVERT_TEMP((((val>>32) & 0xffff) >> 4)) | |
603 | ||
604 | ||
605 | /* CAP monitor */ | |
606 | #define SSD_PL_CAP_U1 SSD_LM80_REG_IN(SSD_LM80_IN_CAP) | |
607 | #define SSD_PL_CAP_U2 SSD_LM80_REG_IN(SSD_LM80_IN_1V8) | |
608 | #define SSD_PL_CAP_LEARN(u1, u2, t) ((t*(u1+u2))/(2*162*(u1-u2))) | |
609 | #define SSD_PL_CAP_LEARN_WAIT (20) //20ms | |
610 | #define SSD_PL_CAP_LEARN_MAX_WAIT (1000/SSD_PL_CAP_LEARN_WAIT) //1s | |
611 | ||
612 | #define SSD_PL_CAP_CHARGE_WAIT (1000) | |
613 | #define SSD_PL_CAP_CHARGE_MAX_WAIT ((120*1000)/SSD_PL_CAP_CHARGE_WAIT) //120s | |
614 | ||
615 | #define SSD_PL_CAP_VOLT(val) (val*7) | |
616 | ||
617 | #define SSD_PL_CAP_VOLT_FULL (13700) | |
618 | #define SSD_PL_CAP_VOLT_READY (12880) | |
619 | ||
620 | #define SSD_PL_CAP_THRESHOLD (8900) | |
621 | #define SSD_PL_CAP_CP_THRESHOLD (5800) | |
622 | #define SSD_PL_CAP_THRESHOLD_HYST (100) | |
623 | ||
624 | enum ssd_pl_cap_status | |
625 | { | |
626 | SSD_PL_CAP = 0, | |
627 | SSD_PL_CAP_NR | |
628 | }; | |
629 | ||
630 | enum ssd_pl_cap_type | |
631 | { | |
632 | SSD_PL_CAP_DEFAULT = 0, /* 4 cap */ | |
633 | SSD_PL_CAP_CP /* 3 cap */ | |
634 | }; | |
635 | ||
636 | ||
637 | /* hwmon offset */ | |
638 | #define SSD_HWMON_OFFS_TEMP (0) | |
639 | #define SSD_HWMON_OFFS_SENSOR (SSD_HWMON_OFFS_TEMP + SSD_TEMP_NR) | |
640 | #define SSD_HWMON_OFFS_PL_CAP (SSD_HWMON_OFFS_SENSOR + SSD_SENSOR_NR) | |
641 | #define SSD_HWMON_OFFS_LM80 (SSD_HWMON_OFFS_PL_CAP + SSD_PL_CAP_NR) | |
642 | #define SSD_HWMON_OFFS_CLOCK (SSD_HWMON_OFFS_LM80 + SSD_LM80_IN_NR) | |
643 | #define SSD_HWMON_OFFS_FPGA (SSD_HWMON_OFFS_CLOCK + SSD_CLOCK_NR) | |
644 | ||
645 | #define SSD_HWMON_TEMP(idx) (SSD_HWMON_OFFS_TEMP + idx) | |
646 | #define SSD_HWMON_SENSOR(idx) (SSD_HWMON_OFFS_SENSOR + idx) | |
647 | #define SSD_HWMON_PL_CAP(idx) (SSD_HWMON_OFFS_PL_CAP + idx) | |
648 | #define SSD_HWMON_LM80(idx) (SSD_HWMON_OFFS_LM80 + idx) | |
649 | #define SSD_HWMON_CLOCK(idx) (SSD_HWMON_OFFS_CLOCK + idx) | |
650 | #define SSD_HWMON_FPGA(ctrl, idx) (SSD_HWMON_OFFS_FPGA + (ctrl * SSD_FPGA_VOLT_NR) + idx) | |
651 | ||
652 | ||
653 | ||
654 | /* fifo */ | |
655 | typedef struct sfifo | |
656 | { | |
657 | uint32_t in; | |
658 | uint32_t out; | |
659 | uint32_t size; | |
660 | uint32_t esize; | |
661 | uint32_t mask; | |
662 | spinlock_t lock; | |
663 | void *data; | |
664 | } sfifo_t; | |
665 | ||
666 | static int sfifo_alloc(struct sfifo *fifo, uint32_t size, uint32_t esize) | |
667 | { | |
668 | uint32_t __size = 1; | |
669 | ||
670 | if (!fifo || size > INT_MAX || esize == 0) { | |
671 | return -EINVAL; | |
672 | } | |
673 | ||
674 | while (__size < size) __size <<= 1; | |
675 | ||
676 | if (__size < 2) { | |
677 | return -EINVAL; | |
678 | } | |
679 | ||
680 | fifo->data = vmalloc(esize * __size); | |
681 | if (!fifo->data) { | |
682 | return -ENOMEM; | |
683 | } | |
684 | ||
685 | fifo->in = 0; | |
686 | fifo->out = 0; | |
687 | fifo->mask = __size - 1; | |
688 | fifo->size = __size; | |
689 | fifo->esize = esize; | |
690 | spin_lock_init(&fifo->lock); | |
691 | ||
692 | return 0; | |
693 | } | |
694 | ||
695 | static void sfifo_free(struct sfifo *fifo) | |
696 | { | |
697 | if (!fifo) { | |
698 | return; | |
699 | } | |
700 | ||
701 | vfree(fifo->data); | |
702 | fifo->data = NULL; | |
703 | fifo->in = 0; | |
704 | fifo->out = 0; | |
705 | fifo->mask = 0; | |
706 | fifo->size = 0; | |
707 | fifo->esize = 0; | |
708 | } | |
709 | ||
710 | static int __sfifo_put(struct sfifo *fifo, void *val) | |
711 | { | |
712 | if (((fifo->in + 1) & fifo->mask) == fifo->out) { | |
713 | return -1; | |
714 | } | |
715 | ||
716 | memcpy((fifo->data + (fifo->in * fifo->esize)), val, fifo->esize); | |
717 | fifo->in = (fifo->in + 1) & fifo->mask; | |
718 | ||
719 | return 0; | |
720 | } | |
721 | ||
722 | static int sfifo_put(struct sfifo *fifo, void *val) | |
723 | { | |
724 | int ret = 0; | |
725 | ||
726 | if (!fifo || !val) { | |
727 | return -EINVAL; | |
728 | } | |
729 | ||
730 | if (!in_interrupt()) { | |
731 | spin_lock_irq(&fifo->lock); | |
732 | ret = __sfifo_put(fifo, val); | |
733 | spin_unlock_irq(&fifo->lock); | |
734 | } else { | |
735 | spin_lock(&fifo->lock); | |
736 | ret = __sfifo_put(fifo, val); | |
737 | spin_unlock(&fifo->lock); | |
738 | } | |
739 | ||
740 | return ret; | |
741 | } | |
742 | ||
743 | static int __sfifo_get(struct sfifo *fifo, void *val) | |
744 | { | |
745 | if (fifo->out == fifo->in) { | |
746 | return -1; | |
747 | } | |
748 | ||
749 | memcpy(val, (fifo->data + (fifo->out * fifo->esize)), fifo->esize); | |
750 | fifo->out = (fifo->out + 1) & fifo->mask; | |
751 | ||
752 | return 0; | |
753 | } | |
754 | ||
755 | static int sfifo_get(struct sfifo *fifo, void *val) | |
756 | { | |
757 | int ret = 0; | |
758 | ||
759 | if (!fifo || !val) { | |
760 | return -EINVAL; | |
761 | } | |
762 | ||
763 | if (!in_interrupt()) { | |
764 | spin_lock_irq(&fifo->lock); | |
765 | ret = __sfifo_get(fifo, val); | |
766 | spin_unlock_irq(&fifo->lock); | |
767 | } else { | |
768 | spin_lock(&fifo->lock); | |
769 | ret = __sfifo_get(fifo, val); | |
770 | spin_unlock(&fifo->lock); | |
771 | } | |
772 | ||
773 | return ret; | |
774 | } | |
775 | ||
776 | /* bio list */ | |
777 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)) | |
778 | struct ssd_blist { | |
779 | struct bio *prev; | |
780 | struct bio *next; | |
781 | }; | |
782 | ||
783 | static inline void ssd_blist_init(struct ssd_blist *ssd_bl) | |
784 | { | |
785 | ssd_bl->prev = NULL; | |
786 | ssd_bl->next = NULL; | |
787 | } | |
788 | ||
789 | static inline struct bio *ssd_blist_get(struct ssd_blist *ssd_bl) | |
790 | { | |
791 | struct bio *bio = ssd_bl->prev; | |
792 | ||
793 | ssd_bl->prev = NULL; | |
794 | ssd_bl->next = NULL; | |
795 | ||
796 | return bio; | |
797 | } | |
798 | ||
799 | static inline void ssd_blist_add(struct ssd_blist *ssd_bl, struct bio *bio) | |
800 | { | |
801 | bio->bi_next = NULL; | |
802 | ||
803 | if (ssd_bl->next) { | |
804 | ssd_bl->next->bi_next = bio; | |
805 | } else { | |
806 | ssd_bl->prev = bio; | |
807 | } | |
808 | ||
809 | ssd_bl->next = bio; | |
810 | } | |
811 | ||
812 | #else | |
813 | #define ssd_blist bio_list | |
814 | #define ssd_blist_init bio_list_init | |
815 | #define ssd_blist_get bio_list_get | |
816 | #define ssd_blist_add bio_list_add | |
817 | #endif | |
818 | ||
819 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)) | |
820 | #define bio_start(bio) (bio->bi_sector) | |
821 | #else | |
822 | #define bio_start(bio) (bio->bi_iter.bi_sector) | |
823 | #endif | |
824 | ||
825 | /* mutex */ | |
826 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)) | |
827 | #define mutex_lock down | |
828 | #define mutex_unlock up | |
829 | #define mutex semaphore | |
830 | #define mutex_init init_MUTEX | |
831 | #endif | |
832 | ||
833 | /* i2c */ | |
834 | typedef union ssd_i2c_ctrl { | |
835 | uint32_t val; | |
836 | struct { | |
837 | uint8_t wdata; | |
838 | uint8_t addr; | |
839 | uint16_t rw:1; | |
840 | uint16_t pad:15; | |
841 | } bits; | |
842 | }__attribute__((packed)) ssd_i2c_ctrl_t; | |
843 | ||
844 | typedef union ssd_i2c_data { | |
845 | uint32_t val; | |
846 | struct { | |
847 | uint32_t rdata:8; | |
848 | uint32_t valid:1; | |
849 | uint32_t pad:23; | |
850 | } bits; | |
851 | }__attribute__((packed)) ssd_i2c_data_t; | |
852 | ||
853 | /* write mode */ | |
854 | enum ssd_write_mode | |
855 | { | |
856 | SSD_WMODE_BUFFER = 0, | |
857 | SSD_WMODE_BUFFER_EX, | |
858 | SSD_WMODE_FUA, | |
859 | /* dummy */ | |
860 | SSD_WMODE_AUTO, | |
861 | SSD_WMODE_DEFAULT | |
862 | }; | |
863 | ||
864 | /* reset type */ | |
865 | enum ssd_reset_type | |
866 | { | |
867 | SSD_RST_NOINIT = 0, | |
868 | SSD_RST_NORMAL, | |
869 | SSD_RST_FULL | |
870 | }; | |
871 | ||
872 | /* ssd msg */ | |
873 | typedef struct ssd_sg_entry | |
874 | { | |
875 | uint64_t block:48; | |
876 | uint64_t length:16; | |
877 | uint64_t buf; | |
878 | }__attribute__((packed))ssd_sg_entry_t; | |
879 | ||
880 | typedef struct ssd_rw_msg | |
881 | { | |
882 | uint8_t tag; | |
883 | uint8_t flag; | |
884 | uint8_t nsegs; | |
885 | uint8_t fun; | |
886 | uint32_t reserved; //for 64-bit align | |
887 | struct ssd_sg_entry sge[1]; //base | |
888 | }__attribute__((packed))ssd_rw_msg_t; | |
889 | ||
890 | typedef struct ssd_resp_msg | |
891 | { | |
892 | uint8_t tag; | |
893 | uint8_t status:2; | |
894 | uint8_t bitflip:6; | |
895 | uint8_t log; | |
896 | uint8_t fun; | |
897 | uint32_t reserved; | |
898 | }__attribute__((packed))ssd_resp_msg_t; | |
899 | ||
900 | typedef struct ssd_flush_msg | |
901 | { | |
902 | uint8_t tag; | |
903 | uint8_t flag:2; //flash cache 0 or bbt 1 | |
904 | uint8_t flash:6; | |
905 | uint8_t ctrl_idx; | |
906 | uint8_t fun; | |
907 | uint32_t reserved; //align | |
908 | }__attribute__((packed))ssd_flush_msg_t; | |
909 | ||
910 | typedef struct ssd_nand_op_msg | |
911 | { | |
912 | uint8_t tag; | |
913 | uint8_t flag; | |
914 | uint8_t ctrl_idx; | |
915 | uint8_t fun; | |
916 | uint32_t reserved; //align | |
917 | uint16_t page_count; | |
918 | uint8_t chip_ce; | |
919 | uint8_t chip_no; | |
920 | uint32_t page_no; | |
921 | uint64_t buf; | |
922 | }__attribute__((packed))ssd_nand_op_msg_t; | |
923 | ||
924 | typedef struct ssd_ram_op_msg | |
925 | { | |
926 | uint8_t tag; | |
927 | uint8_t flag; | |
928 | uint8_t ctrl_idx; | |
929 | uint8_t fun; | |
930 | uint32_t reserved; //align | |
931 | uint32_t start; | |
932 | uint32_t length; | |
933 | uint64_t buf; | |
934 | }__attribute__((packed))ssd_ram_op_msg_t; | |
935 | ||
936 | ||
937 | /* log msg */ | |
938 | typedef struct ssd_log_msg | |
939 | { | |
940 | uint8_t tag; | |
941 | uint8_t flag; | |
942 | uint8_t ctrl_idx; | |
943 | uint8_t fun; | |
944 | uint32_t reserved; //align | |
945 | uint64_t buf; | |
946 | }__attribute__((packed))ssd_log_msg_t; | |
947 | ||
948 | typedef struct ssd_log_op_msg | |
949 | { | |
950 | uint8_t tag; | |
951 | uint8_t flag; | |
952 | uint8_t ctrl_idx; | |
953 | uint8_t fun; | |
954 | uint32_t reserved; //align | |
955 | uint64_t reserved1; //align | |
956 | uint64_t buf; | |
957 | }__attribute__((packed))ssd_log_op_msg_t; | |
958 | ||
959 | typedef struct ssd_log_resp_msg | |
960 | { | |
961 | uint8_t tag; | |
962 | uint16_t status :2; | |
963 | uint16_t reserved1 :2; //align with the normal resp msg | |
964 | uint16_t nr_log :12; | |
965 | uint8_t fun; | |
966 | uint32_t reserved; | |
967 | }__attribute__((packed))ssd_log_resp_msg_t; | |
968 | ||
969 | ||
970 | /* resp msg */ | |
971 | typedef union ssd_response_msq | |
972 | { | |
973 | ssd_resp_msg_t resp_msg; | |
974 | ssd_log_resp_msg_t log_resp_msg; | |
975 | uint64_t u64_msg; | |
976 | uint32_t u32_msg[2]; | |
977 | } ssd_response_msq_t; | |
978 | ||
979 | ||
980 | /* custom struct */ | |
981 | typedef struct ssd_protocol_info | |
982 | { | |
983 | uint32_t ver; | |
984 | uint32_t init_state_reg; | |
985 | uint32_t init_state_reg_sz; | |
986 | uint32_t chip_info_reg; | |
987 | uint32_t chip_info_reg_sz; | |
988 | } ssd_protocol_info_t; | |
989 | ||
990 | typedef struct ssd_hw_info | |
991 | { | |
992 | uint32_t bridge_ver; | |
993 | uint32_t ctrl_ver; | |
994 | ||
995 | uint32_t cmd_fifo_sz; | |
996 | uint32_t cmd_fifo_sz_mask; | |
997 | uint32_t cmd_max_sg; | |
998 | uint32_t sg_max_sec; | |
999 | uint32_t resp_ptr_sz; | |
1000 | uint32_t resp_msg_sz; | |
1001 | ||
1002 | uint16_t nr_ctrl; | |
1003 | ||
1004 | uint16_t nr_data_ch; | |
1005 | uint16_t nr_ch; | |
1006 | uint16_t max_ch; | |
1007 | uint16_t nr_chip; | |
1008 | ||
1009 | uint8_t pcb_ver; | |
1010 | uint8_t upper_pcb_ver; | |
1011 | ||
1012 | uint8_t nand_vendor_id; | |
1013 | uint8_t nand_dev_id; | |
1014 | ||
1015 | uint8_t max_ce; | |
1016 | uint8_t id_size; | |
1017 | uint16_t oob_size; | |
1018 | ||
1019 | uint16_t bbf_pages; | |
1020 | uint16_t bbf_seek; // | |
1021 | ||
1022 | uint16_t page_count; //per block | |
1023 | uint32_t page_size; | |
1024 | uint32_t block_count; //per flash | |
1025 | ||
1026 | uint64_t ram_size; | |
1027 | uint32_t ram_align; | |
1028 | uint32_t ram_max_len; | |
1029 | ||
1030 | uint64_t bbt_base; | |
1031 | uint32_t bbt_size; | |
1032 | uint64_t md_base; //metadata | |
1033 | uint32_t md_size; | |
1034 | uint32_t md_entry_sz; | |
1035 | ||
1036 | uint32_t log_sz; | |
1037 | ||
1038 | uint64_t nand_wbuff_base; | |
1039 | ||
1040 | uint32_t md_reserved_blks; | |
1041 | uint32_t reserved_blks; | |
1042 | uint32_t valid_pages; | |
1043 | uint32_t max_valid_pages; | |
1044 | uint64_t size; | |
1045 | } ssd_hw_info_t; | |
1046 | ||
1047 | typedef struct ssd_hw_info_extend | |
1048 | { | |
1049 | uint8_t board_type; | |
1050 | uint8_t cap_type; | |
1051 | uint8_t plp_type; | |
1052 | uint8_t work_mode; | |
1053 | uint8_t form_factor; | |
1054 | ||
1055 | uint8_t pad[59]; | |
1056 | }ssd_hw_info_extend_t; | |
1057 | ||
1058 | typedef struct ssd_rom_info | |
1059 | { | |
1060 | uint32_t size; | |
1061 | uint32_t block_size; | |
1062 | uint16_t page_size; | |
1063 | uint8_t nr_bridge_fw; | |
1064 | uint8_t nr_ctrl_fw; | |
1065 | uint8_t nr_bm_fw; | |
1066 | uint8_t nr_smart; | |
1067 | uint32_t bridge_fw_base; | |
1068 | uint32_t bridge_fw_sz; | |
1069 | uint32_t ctrl_fw_base; | |
1070 | uint32_t ctrl_fw_sz; | |
1071 | uint32_t bm_fw_base; | |
1072 | uint32_t bm_fw_sz; | |
1073 | uint32_t log_base; | |
1074 | uint32_t log_sz; | |
1075 | uint32_t smart_base; | |
1076 | uint32_t smart_sz; | |
1077 | uint32_t vp_base; | |
1078 | uint32_t label_base; | |
1079 | } ssd_rom_info_t; | |
1080 | ||
1081 | /* debug info */ | |
1082 | enum ssd_debug_type | |
1083 | { | |
1084 | SSD_DEBUG_NONE = 0, | |
1085 | SSD_DEBUG_READ_ERR, | |
1086 | SSD_DEBUG_WRITE_ERR, | |
1087 | SSD_DEBUG_RW_ERR, | |
1088 | SSD_DEBUG_READ_TO, | |
1089 | SSD_DEBUG_WRITE_TO, | |
1090 | SSD_DEBUG_RW_TO, | |
1091 | SSD_DEBUG_LOG, | |
1092 | SSD_DEBUG_OFFLINE, | |
1093 | SSD_DEBUG_NR | |
1094 | }; | |
1095 | ||
1096 | typedef struct ssd_debug_info | |
1097 | { | |
1098 | int type; | |
1099 | union { | |
1100 | struct { | |
1101 | uint64_t off; | |
1102 | uint32_t len; | |
1103 | } loc; | |
1104 | struct { | |
1105 | int event; | |
1106 | uint32_t extra; | |
1107 | } log; | |
1108 | } data; | |
1109 | }ssd_debug_info_t; | |
1110 | ||
1111 | /* label */ | |
1112 | #define SSD_LABEL_FIELD_SZ 32 | |
1113 | #define SSD_SN_SZ 16 | |
1114 | ||
1115 | typedef struct ssd_label | |
1116 | { | |
1117 | char date[SSD_LABEL_FIELD_SZ]; | |
1118 | char sn[SSD_LABEL_FIELD_SZ]; | |
1119 | char part[SSD_LABEL_FIELD_SZ]; | |
1120 | char desc[SSD_LABEL_FIELD_SZ]; | |
1121 | char other[SSD_LABEL_FIELD_SZ]; | |
1122 | char maf[SSD_LABEL_FIELD_SZ]; | |
1123 | } ssd_label_t; | |
1124 | ||
1125 | #define SSD_LABEL_DESC_SZ 256 | |
1126 | ||
1127 | typedef struct ssd_labelv3 | |
1128 | { | |
1129 | char boardtype[SSD_LABEL_FIELD_SZ]; | |
1130 | char barcode[SSD_LABEL_FIELD_SZ]; | |
1131 | char item[SSD_LABEL_FIELD_SZ]; | |
1132 | char description[SSD_LABEL_DESC_SZ]; | |
1133 | char manufactured[SSD_LABEL_FIELD_SZ]; | |
1134 | char vendorname[SSD_LABEL_FIELD_SZ]; | |
1135 | char issuenumber[SSD_LABEL_FIELD_SZ]; | |
1136 | char cleicode[SSD_LABEL_FIELD_SZ]; | |
1137 | char bom[SSD_LABEL_FIELD_SZ]; | |
1138 | } ssd_labelv3_t; | |
1139 | ||
1140 | /* battery */ | |
1141 | typedef struct ssd_battery_info | |
1142 | { | |
1143 | uint32_t fw_ver; | |
1144 | } ssd_battery_info_t; | |
1145 | ||
1146 | /* ssd power stat */ | |
1147 | typedef struct ssd_power_stat | |
1148 | { | |
1149 | uint64_t nr_poweron; | |
1150 | uint64_t nr_powerloss; | |
1151 | uint64_t init_failed; | |
1152 | } ssd_power_stat_t; | |
1153 | ||
1154 | /* io stat */ | |
1155 | typedef struct ssd_io_stat | |
1156 | { | |
1157 | uint64_t run_time; | |
1158 | uint64_t nr_to; | |
1159 | uint64_t nr_ioerr; | |
1160 | uint64_t nr_rwerr; | |
1161 | uint64_t nr_read; | |
1162 | uint64_t nr_write; | |
1163 | uint64_t rsectors; | |
1164 | uint64_t wsectors; | |
1165 | } ssd_io_stat_t; | |
1166 | ||
1167 | /* ecc */ | |
1168 | typedef struct ssd_ecc_info | |
1169 | { | |
1170 | uint64_t bitflip[SSD_ECC_MAX_FLIP]; | |
1171 | } ssd_ecc_info_t; | |
1172 | ||
1173 | /* log */ | |
1174 | enum ssd_log_level | |
1175 | { | |
1176 | SSD_LOG_LEVEL_INFO = 0, | |
1177 | SSD_LOG_LEVEL_NOTICE, | |
1178 | SSD_LOG_LEVEL_WARNING, | |
1179 | SSD_LOG_LEVEL_ERR, | |
1180 | SSD_LOG_NR_LEVEL | |
1181 | }; | |
1182 | ||
1183 | typedef struct ssd_log_info | |
1184 | { | |
1185 | uint64_t nr_log; | |
1186 | uint64_t stat[SSD_LOG_NR_LEVEL]; | |
1187 | } ssd_log_info_t; | |
1188 | ||
1189 | /* S.M.A.R.T. */ | |
1190 | #define SSD_SMART_MAGIC (0x5452414D53445353ull) | |
1191 | ||
1192 | typedef struct ssd_smart | |
1193 | { | |
1194 | struct ssd_power_stat pstat; | |
1195 | struct ssd_io_stat io_stat; | |
1196 | struct ssd_ecc_info ecc_info; | |
1197 | struct ssd_log_info log_info; | |
1198 | uint64_t version; | |
1199 | uint64_t magic; | |
1200 | } ssd_smart_t; | |
1201 | ||
1202 | /* internal log */ | |
1203 | typedef struct ssd_internal_log | |
1204 | { | |
1205 | uint32_t nr_log; | |
1206 | void *log; | |
1207 | } ssd_internal_log_t; | |
1208 | ||
1209 | /* ssd cmd */ | |
1210 | typedef struct ssd_cmd | |
1211 | { | |
1212 | struct bio *bio; | |
1213 | struct scatterlist *sgl; | |
1214 | struct list_head list; | |
1215 | void *dev; | |
1216 | int nsegs; | |
1217 | int flag; /*pbio(1) or bio(0)*/ | |
1218 | ||
1219 | int tag; | |
1220 | void *msg; | |
1221 | dma_addr_t msg_dma; | |
1222 | ||
1223 | unsigned long start_time; | |
1224 | ||
1225 | int errors; | |
1226 | unsigned int nr_log; | |
1227 | ||
1228 | struct timer_list cmd_timer; | |
1229 | struct completion *waiting; | |
1230 | } ssd_cmd_t; | |
1231 | ||
1232 | typedef void (*send_cmd_func)(struct ssd_cmd *); | |
1233 | typedef int (*ssd_event_call)(struct gendisk *, int, int); /* gendisk, event id, event level */ | |
1234 | ||
1235 | /* dcmd sz */ | |
1236 | #define SSD_DCMD_MAX_SZ 32 | |
1237 | ||
1238 | typedef struct ssd_dcmd | |
1239 | { | |
1240 | struct list_head list; | |
1241 | void *dev; | |
1242 | uint8_t msg[SSD_DCMD_MAX_SZ]; | |
1243 | } ssd_dcmd_t; | |
1244 | ||
1245 | ||
1246 | enum ssd_state { | |
1247 | SSD_INIT_WORKQ, | |
1248 | SSD_INIT_BD, | |
1249 | SSD_ONLINE, | |
1250 | /* full reset */ | |
1251 | SSD_RESETING, | |
1252 | /* hw log */ | |
1253 | SSD_LOG_HW, | |
1254 | /* log err */ | |
1255 | SSD_LOG_ERR | |
1256 | }; | |
1257 | ||
1258 | #define SSD_QUEUE_NAME_LEN 16 | |
1259 | typedef struct ssd_queue { | |
1260 | char name[SSD_QUEUE_NAME_LEN]; | |
1261 | void *dev; | |
1262 | ||
1263 | int idx; | |
1264 | ||
1265 | uint32_t resp_idx; | |
1266 | uint32_t resp_idx_mask; | |
1267 | uint32_t resp_msg_sz; | |
1268 | ||
1269 | void *resp_msg; | |
1270 | void *resp_ptr; | |
1271 | ||
1272 | struct ssd_cmd *cmd; | |
1273 | ||
1274 | struct ssd_io_stat io_stat; | |
1275 | struct ssd_ecc_info ecc_info; | |
1276 | } ssd_queue_t; | |
1277 | ||
1278 | typedef struct ssd_device { | |
1279 | char name[SSD_DEV_NAME_LEN]; | |
1280 | ||
1281 | int idx; | |
1282 | int major; | |
1283 | int readonly; | |
1284 | ||
1285 | int int_mode; | |
1286 | #ifdef SSD_ESCAPE_IRQ | |
1287 | int irq_cpu; | |
1288 | #endif | |
1289 | ||
1290 | int reload_fw; | |
1291 | ||
1292 | int ot_delay; //in ms | |
1293 | ||
1294 | atomic_t refcnt; | |
1295 | atomic_t tocnt; | |
1296 | atomic_t in_flight[2]; //r&w | |
1297 | ||
1298 | uint64_t uptime; | |
1299 | ||
1300 | struct list_head list; | |
1301 | struct pci_dev *pdev; | |
1302 | ||
1303 | unsigned long mmio_base; | |
1304 | unsigned long mmio_len; | |
1305 | void __iomem *ctrlp; | |
1306 | ||
1307 | struct mutex spi_mutex; | |
1308 | struct mutex i2c_mutex; | |
1309 | ||
1310 | struct ssd_protocol_info protocol_info; | |
1311 | struct ssd_hw_info hw_info; | |
1312 | struct ssd_rom_info rom_info; | |
1313 | struct ssd_label label; | |
1314 | ||
1315 | struct ssd_smart smart; | |
1316 | ||
1317 | atomic_t in_sendq; | |
1318 | spinlock_t sendq_lock; | |
1319 | struct ssd_blist sendq; | |
1320 | struct task_struct *send_thread; | |
1321 | wait_queue_head_t send_waitq; | |
1322 | ||
1323 | atomic_t in_doneq; | |
1324 | spinlock_t doneq_lock; | |
1325 | struct ssd_blist doneq; | |
1326 | struct task_struct *done_thread; | |
1327 | wait_queue_head_t done_waitq; | |
1328 | ||
1329 | struct ssd_dcmd *dcmd; | |
1330 | spinlock_t dcmd_lock; | |
1331 | struct list_head dcmd_list; /* direct cmd list */ | |
1332 | wait_queue_head_t dcmd_wq; | |
1333 | ||
1334 | unsigned long *tag_map; | |
1335 | wait_queue_head_t tag_wq; | |
1336 | ||
1337 | spinlock_t cmd_lock; | |
1338 | struct ssd_cmd *cmd; | |
1339 | send_cmd_func scmd; | |
1340 | ||
1341 | ssd_event_call event_call; | |
1342 | void *msg_base; | |
1343 | dma_addr_t msg_base_dma; | |
1344 | ||
1345 | uint32_t resp_idx; | |
1346 | void *resp_msg_base; | |
1347 | void *resp_ptr_base; | |
1348 | dma_addr_t resp_msg_base_dma; | |
1349 | dma_addr_t resp_ptr_base_dma; | |
1350 | ||
1351 | int nr_queue; | |
1352 | struct msix_entry entry[SSD_MSIX_VEC]; | |
1353 | struct ssd_queue queue[SSD_MSIX_VEC]; | |
1354 | ||
1355 | struct request_queue *rq; /* The device request queue */ | |
1356 | struct gendisk *gd; /* The gendisk structure */ | |
1357 | ||
1358 | struct mutex internal_log_mutex; | |
1359 | struct ssd_internal_log internal_log; | |
1360 | struct workqueue_struct *workq; | |
1361 | struct work_struct log_work; /* get log */ | |
1362 | void *log_buf; | |
1363 | ||
1364 | unsigned long state; /* device state, for example, block device inited */ | |
1365 | ||
1366 | struct module *owner; | |
1367 | ||
1368 | /* extend */ | |
1369 | ||
1370 | int slave; | |
1371 | int cmajor; | |
1372 | int save_md; | |
1373 | int ot_protect; | |
1374 | ||
1375 | struct kref kref; | |
1376 | ||
1377 | struct mutex gd_mutex; | |
1378 | struct ssd_log_info log_info; /* volatile */ | |
1379 | ||
1380 | atomic_t queue_depth; | |
1381 | struct mutex barrier_mutex; | |
1382 | struct mutex fw_mutex; | |
1383 | ||
1384 | struct ssd_hw_info_extend hw_info_ext; | |
1385 | struct ssd_labelv3 labelv3; | |
1386 | ||
1387 | int wmode; | |
1388 | int user_wmode; | |
1389 | struct mutex bm_mutex; | |
1390 | struct work_struct bm_work; /* check bm */ | |
1391 | struct timer_list bm_timer; | |
1392 | struct sfifo log_fifo; | |
1393 | ||
1394 | struct timer_list routine_timer; | |
1395 | unsigned long routine_tick; | |
1396 | unsigned long hwmon; | |
1397 | ||
1398 | struct work_struct hwmon_work; /* check hw */ | |
1399 | struct work_struct capmon_work; /* check battery */ | |
1400 | struct work_struct tempmon_work; /* check temp */ | |
1401 | ||
1402 | /* debug info */ | |
1403 | struct ssd_debug_info db_info; | |
1404 | } ssd_device_t; | |
1405 | ||
1406 | ||
1407 | /* Ioctl struct */ | |
1408 | typedef struct ssd_acc_info { | |
1409 | uint32_t threshold_l1; | |
1410 | uint32_t threshold_l2; | |
1411 | uint32_t val; | |
1412 | } ssd_acc_info_t; | |
1413 | ||
1414 | typedef struct ssd_reg_op_info | |
1415 | { | |
1416 | uint32_t offset; | |
1417 | uint32_t value; | |
1418 | } ssd_reg_op_info_t; | |
1419 | ||
1420 | typedef struct ssd_spi_op_info | |
1421 | { | |
1422 | void __user *buf; | |
1423 | uint32_t off; | |
1424 | uint32_t len; | |
1425 | } ssd_spi_op_info_t; | |
1426 | ||
1427 | typedef struct ssd_i2c_op_info | |
1428 | { | |
1429 | uint8_t saddr; | |
1430 | uint8_t wsize; | |
1431 | uint8_t rsize; | |
1432 | void __user *wbuf; | |
1433 | void __user *rbuf; | |
1434 | } ssd_i2c_op_info_t; | |
1435 | ||
1436 | typedef struct ssd_smbus_op_info | |
1437 | { | |
1438 | uint8_t saddr; | |
1439 | uint8_t cmd; | |
1440 | uint8_t size; | |
1441 | void __user *buf; | |
1442 | } ssd_smbus_op_info_t; | |
1443 | ||
1444 | typedef struct ssd_ram_op_info { | |
1445 | uint8_t ctrl_idx; | |
1446 | uint32_t length; | |
1447 | uint64_t start; | |
1448 | uint8_t __user *buf; | |
1449 | } ssd_ram_op_info_t; | |
1450 | ||
1451 | typedef struct ssd_flash_op_info { | |
1452 | uint32_t page; | |
1453 | uint16_t flash; | |
1454 | uint8_t chip; | |
1455 | uint8_t ctrl_idx; | |
1456 | uint8_t __user *buf; | |
1457 | } ssd_flash_op_info_t; | |
1458 | ||
1459 | typedef struct ssd_sw_log_info { | |
1460 | uint16_t event; | |
1461 | uint16_t pad; | |
1462 | uint32_t data; | |
1463 | } ssd_sw_log_info_t; | |
1464 | ||
1465 | typedef struct ssd_version_info | |
1466 | { | |
1467 | uint32_t bridge_ver; /* bridge fw version */ | |
1468 | uint32_t ctrl_ver; /* controller fw version */ | |
1469 | uint32_t bm_ver; /* battery manager fw version */ | |
1470 | uint8_t pcb_ver; /* main pcb version */ | |
1471 | uint8_t upper_pcb_ver; | |
1472 | uint8_t pad0; | |
1473 | uint8_t pad1; | |
1474 | } ssd_version_info_t; | |
1475 | ||
1476 | typedef struct pci_addr | |
1477 | { | |
1478 | uint16_t domain; | |
1479 | uint8_t bus; | |
1480 | uint8_t slot; | |
1481 | uint8_t func; | |
1482 | } pci_addr_t; | |
1483 | ||
1484 | typedef struct ssd_drv_param_info { | |
1485 | int mode; | |
1486 | int status_mask; | |
1487 | int int_mode; | |
1488 | int threaded_irq; | |
1489 | int log_level; | |
1490 | int wmode; | |
1491 | int ot_protect; | |
1492 | int finject; | |
1493 | int pad[8]; | |
1494 | } ssd_drv_param_info_t; | |
1495 | ||
1496 | ||
1497 | /* form factor */ | |
1498 | enum ssd_form_factor | |
1499 | { | |
1500 | SSD_FORM_FACTOR_HHHL = 0, | |
1501 | SSD_FORM_FACTOR_FHHL | |
1502 | }; | |
1503 | ||
1504 | ||
1505 | /* ssd power loss protect */ | |
1506 | enum ssd_plp_type | |
1507 | { | |
1508 | SSD_PLP_SCAP = 0, | |
1509 | SSD_PLP_CAP, | |
1510 | SSD_PLP_NONE | |
1511 | }; | |
1512 | ||
1513 | /* ssd bm */ | |
1514 | #define SSD_BM_SLAVE_ADDRESS 0x16 | |
1515 | #define SSD_BM_CAP 5 | |
1516 | ||
1517 | /* SBS cmd */ | |
1518 | #define SSD_BM_SAFETYSTATUS 0x51 | |
1519 | #define SSD_BM_OPERATIONSTATUS 0x54 | |
1520 | ||
1521 | /* ManufacturerAccess */ | |
1522 | #define SSD_BM_MANUFACTURERACCESS 0x00 | |
1523 | #define SSD_BM_ENTER_CAP_LEARNING 0x0023 /* cap learning */ | |
1524 | ||
1525 | /* Data flash access */ | |
1526 | #define SSD_BM_DATA_FLASH_SUBCLASS_ID 0x77 | |
1527 | #define SSD_BM_DATA_FLASH_SUBCLASS_ID_PAGE1 0x78 | |
1528 | #define SSD_BM_SYSTEM_DATA_SUBCLASS_ID 56 | |
1529 | #define SSD_BM_CONFIGURATION_REGISTERS_ID 64 | |
1530 | ||
1531 | /* min cap voltage */ | |
1532 | #define SSD_BM_CAP_VOLT_MIN 500 | |
1533 | ||
1534 | /* | |
1535 | enum ssd_bm_cap | |
1536 | { | |
1537 | SSD_BM_CAP_VINA = 1, | |
1538 | SSD_BM_CAP_JH = 3 | |
1539 | };*/ | |
1540 | ||
1541 | enum ssd_bmstatus | |
1542 | { | |
1543 | SSD_BMSTATUS_OK = 0, | |
1544 | SSD_BMSTATUS_CHARGING, /* not fully charged */ | |
1545 | SSD_BMSTATUS_WARNING | |
1546 | }; | |
1547 | ||
1548 | enum sbs_unit { | |
1549 | SBS_UNIT_VALUE = 0, | |
1550 | SBS_UNIT_TEMPERATURE, | |
1551 | SBS_UNIT_VOLTAGE, | |
1552 | SBS_UNIT_CURRENT, | |
1553 | SBS_UNIT_ESR, | |
1554 | SBS_UNIT_PERCENT, | |
1555 | SBS_UNIT_CAPACITANCE | |
1556 | }; | |
1557 | ||
1558 | enum sbs_size { | |
1559 | SBS_SIZE_BYTE = 1, | |
1560 | SBS_SIZE_WORD, | |
1561 | SBS_SIZE_BLK, | |
1562 | }; | |
1563 | ||
1564 | struct sbs_cmd { | |
1565 | uint8_t cmd; | |
1566 | uint8_t size; | |
1567 | uint8_t unit; | |
1568 | uint8_t off; | |
1569 | uint16_t mask; | |
1570 | char *desc; | |
1571 | }; | |
1572 | ||
1573 | struct ssd_bm { | |
1574 | uint16_t temp; | |
1575 | uint16_t volt; | |
1576 | uint16_t curr; | |
1577 | uint16_t esr; | |
1578 | uint16_t rsoc; | |
1579 | uint16_t health; | |
1580 | uint16_t cap; | |
1581 | uint16_t chg_curr; | |
1582 | uint16_t chg_volt; | |
1583 | uint16_t cap_volt[SSD_BM_CAP]; | |
1584 | uint16_t sf_alert; | |
1585 | uint16_t sf_status; | |
1586 | uint16_t op_status; | |
1587 | uint16_t sys_volt; | |
1588 | }; | |
1589 | ||
1590 | struct ssd_bm_manufacturer_data | |
1591 | { | |
1592 | uint16_t pack_lot_code; | |
1593 | uint16_t pcb_lot_code; | |
1594 | uint16_t firmware_ver; | |
1595 | uint16_t hardware_ver; | |
1596 | }; | |
1597 | ||
1598 | struct ssd_bm_configuration_registers | |
1599 | { | |
1600 | struct { | |
1601 | uint16_t cc:3; | |
1602 | uint16_t rsvd:5; | |
1603 | uint16_t stack:1; | |
1604 | uint16_t rsvd1:2; | |
1605 | uint16_t temp:2; | |
1606 | uint16_t rsvd2:1; | |
1607 | uint16_t lt_en:1; | |
1608 | uint16_t rsvd3:1; | |
1609 | } operation_cfg; | |
1610 | uint16_t pad; | |
1611 | uint16_t fet_action; | |
1612 | uint16_t pad1; | |
1613 | uint16_t fault; | |
1614 | }; | |
1615 | ||
1616 | #define SBS_VALUE_MASK 0xffff | |
1617 | ||
1618 | #define bm_var_offset(var) ((size_t) &((struct ssd_bm *)0)->var) | |
1619 | #define bm_var(start, offset) ((void *) start + (offset)) | |
1620 | ||
1621 | static struct sbs_cmd ssd_bm_sbs[] = { | |
1622 | {0x08, SBS_SIZE_WORD, SBS_UNIT_TEMPERATURE, bm_var_offset(temp), SBS_VALUE_MASK, "Temperature"}, | |
1623 | {0x09, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, bm_var_offset(volt), SBS_VALUE_MASK, "Voltage"}, | |
1624 | {0x0a, SBS_SIZE_WORD, SBS_UNIT_CURRENT, bm_var_offset(curr), SBS_VALUE_MASK, "Current"}, | |
1625 | {0x0b, SBS_SIZE_WORD, SBS_UNIT_ESR, bm_var_offset(esr), SBS_VALUE_MASK, "ESR"}, | |
1626 | {0x0d, SBS_SIZE_BYTE, SBS_UNIT_PERCENT, bm_var_offset(rsoc), SBS_VALUE_MASK, "RelativeStateOfCharge"}, | |
1627 | {0x0e, SBS_SIZE_BYTE, SBS_UNIT_PERCENT, bm_var_offset(health), SBS_VALUE_MASK, "Health"}, | |
1628 | {0x10, SBS_SIZE_WORD, SBS_UNIT_CAPACITANCE, bm_var_offset(cap), SBS_VALUE_MASK, "Capacitance"}, | |
1629 | {0x14, SBS_SIZE_WORD, SBS_UNIT_CURRENT, bm_var_offset(chg_curr), SBS_VALUE_MASK, "ChargingCurrent"}, | |
1630 | {0x15, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, bm_var_offset(chg_volt), SBS_VALUE_MASK, "ChargingVoltage"}, | |
1631 | {0x3b, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[4]), SBS_VALUE_MASK, "CapacitorVoltage5"}, | |
1632 | {0x3c, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[3]), SBS_VALUE_MASK, "CapacitorVoltage4"}, | |
1633 | {0x3d, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[2]), SBS_VALUE_MASK, "CapacitorVoltage3"}, | |
1634 | {0x3e, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[1]), SBS_VALUE_MASK, "CapacitorVoltage2"}, | |
1635 | {0x3f, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[0]), SBS_VALUE_MASK, "CapacitorVoltage1"}, | |
1636 | {0x50, SBS_SIZE_WORD, SBS_UNIT_VALUE, bm_var_offset(sf_alert), 0x870F, "SafetyAlert"}, | |
1637 | {0x51, SBS_SIZE_WORD, SBS_UNIT_VALUE, bm_var_offset(sf_status), 0xE7BF, "SafetyStatus"}, | |
1638 | {0x54, SBS_SIZE_WORD, SBS_UNIT_VALUE, bm_var_offset(op_status), 0x79F4, "OperationStatus"}, | |
1639 | {0x5a, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, bm_var_offset(sys_volt), SBS_VALUE_MASK, "SystemVoltage"}, | |
1640 | {0, 0, 0, 0, 0, NULL}, | |
1641 | }; | |
1642 | ||
1643 | /* ssd ioctl */ | |
1644 | #define SSD_CMD_GET_PROTOCOL_INFO _IOR('H', 100, struct ssd_protocol_info) | |
1645 | #define SSD_CMD_GET_HW_INFO _IOR('H', 101, struct ssd_hw_info) | |
1646 | #define SSD_CMD_GET_ROM_INFO _IOR('H', 102, struct ssd_rom_info) | |
1647 | #define SSD_CMD_GET_SMART _IOR('H', 103, struct ssd_smart) | |
1648 | #define SSD_CMD_GET_IDX _IOR('H', 105, int) | |
1649 | #define SSD_CMD_GET_AMOUNT _IOR('H', 106, int) | |
1650 | #define SSD_CMD_GET_TO_INFO _IOR('H', 107, int) | |
1651 | #define SSD_CMD_GET_DRV_VER _IOR('H', 108, char[DRIVER_VERSION_LEN]) | |
1652 | ||
1653 | #define SSD_CMD_GET_BBACC_INFO _IOR('H', 109, struct ssd_acc_info) | |
1654 | #define SSD_CMD_GET_ECACC_INFO _IOR('H', 110, struct ssd_acc_info) | |
1655 | ||
1656 | #define SSD_CMD_GET_HW_INFO_EXT _IOR('H', 111, struct ssd_hw_info_extend) | |
1657 | ||
1658 | #define SSD_CMD_REG_READ _IOWR('H', 120, struct ssd_reg_op_info) | |
1659 | #define SSD_CMD_REG_WRITE _IOWR('H', 121, struct ssd_reg_op_info) | |
1660 | ||
1661 | #define SSD_CMD_SPI_READ _IOWR('H', 125, struct ssd_spi_op_info) | |
1662 | #define SSD_CMD_SPI_WRITE _IOWR('H', 126, struct ssd_spi_op_info) | |
1663 | #define SSD_CMD_SPI_ERASE _IOWR('H', 127, struct ssd_spi_op_info) | |
1664 | ||
1665 | #define SSD_CMD_I2C_READ _IOWR('H', 128, struct ssd_i2c_op_info) | |
1666 | #define SSD_CMD_I2C_WRITE _IOWR('H', 129, struct ssd_i2c_op_info) | |
1667 | #define SSD_CMD_I2C_WRITE_READ _IOWR('H', 130, struct ssd_i2c_op_info) | |
1668 | ||
1669 | #define SSD_CMD_SMBUS_SEND_BYTE _IOWR('H', 131, struct ssd_smbus_op_info) | |
1670 | #define SSD_CMD_SMBUS_RECEIVE_BYTE _IOWR('H', 132, struct ssd_smbus_op_info) | |
1671 | #define SSD_CMD_SMBUS_WRITE_BYTE _IOWR('H', 133, struct ssd_smbus_op_info) | |
1672 | #define SSD_CMD_SMBUS_READ_BYTE _IOWR('H', 135, struct ssd_smbus_op_info) | |
1673 | #define SSD_CMD_SMBUS_WRITE_WORD _IOWR('H', 136, struct ssd_smbus_op_info) | |
1674 | #define SSD_CMD_SMBUS_READ_WORD _IOWR('H', 137, struct ssd_smbus_op_info) | |
1675 | #define SSD_CMD_SMBUS_WRITE_BLOCK _IOWR('H', 138, struct ssd_smbus_op_info) | |
1676 | #define SSD_CMD_SMBUS_READ_BLOCK _IOWR('H', 139, struct ssd_smbus_op_info) | |
1677 | ||
1678 | #define SSD_CMD_BM_GET_VER _IOR('H', 140, uint16_t) | |
1679 | #define SSD_CMD_BM_GET_NR_CAP _IOR('H', 141, int) | |
1680 | #define SSD_CMD_BM_CAP_LEARNING _IOW('H', 142, int) | |
1681 | #define SSD_CMD_CAP_LEARN _IOR('H', 143, uint32_t) | |
1682 | #define SSD_CMD_GET_CAP_STATUS _IOR('H', 144, int) | |
1683 | ||
1684 | #define SSD_CMD_RAM_READ _IOWR('H', 150, struct ssd_ram_op_info) | |
1685 | #define SSD_CMD_RAM_WRITE _IOWR('H', 151, struct ssd_ram_op_info) | |
1686 | ||
1687 | #define SSD_CMD_NAND_READ_ID _IOR('H', 160, struct ssd_flash_op_info) | |
1688 | #define SSD_CMD_NAND_READ _IOWR('H', 161, struct ssd_flash_op_info) //with oob | |
1689 | #define SSD_CMD_NAND_WRITE _IOWR('H', 162, struct ssd_flash_op_info) | |
1690 | #define SSD_CMD_NAND_ERASE _IOWR('H', 163, struct ssd_flash_op_info) | |
1691 | #define SSD_CMD_NAND_READ_EXT _IOWR('H', 164, struct ssd_flash_op_info) //ingore EIO | |
1692 | ||
1693 | #define SSD_CMD_UPDATE_BBT _IOW('H', 180, struct ssd_flash_op_info) | |
1694 | ||
1695 | #define SSD_CMD_CLEAR_ALARM _IOW('H', 190, int) | |
1696 | #define SSD_CMD_SET_ALARM _IOW('H', 191, int) | |
1697 | ||
1698 | #define SSD_CMD_RESET _IOW('H', 200, int) | |
1699 | #define SSD_CMD_RELOAD_FW _IOW('H', 201, int) | |
1700 | #define SSD_CMD_UNLOAD_DEV _IOW('H', 202, int) | |
1701 | #define SSD_CMD_LOAD_DEV _IOW('H', 203, int) | |
1702 | #define SSD_CMD_UPDATE_VP _IOWR('H', 205, uint32_t) | |
1703 | #define SSD_CMD_FULL_RESET _IOW('H', 206, int) | |
1704 | ||
1705 | #define SSD_CMD_GET_NR_LOG _IOR('H', 220, uint32_t) | |
1706 | #define SSD_CMD_GET_LOG _IOR('H', 221, void *) | |
1707 | #define SSD_CMD_LOG_LEVEL _IOW('H', 222, int) | |
1708 | ||
1709 | #define SSD_CMD_OT_PROTECT _IOW('H', 223, int) | |
1710 | #define SSD_CMD_GET_OT_STATUS _IOR('H', 224, int) | |
1711 | ||
1712 | #define SSD_CMD_CLEAR_LOG _IOW('H', 230, int) | |
1713 | #define SSD_CMD_CLEAR_SMART _IOW('H', 231, int) | |
1714 | ||
1715 | #define SSD_CMD_SW_LOG _IOW('H', 232, struct ssd_sw_log_info) | |
1716 | ||
1717 | #define SSD_CMD_GET_LABEL _IOR('H', 235, struct ssd_label) | |
1718 | #define SSD_CMD_GET_VERSION _IOR('H', 236, struct ssd_version_info) | |
1719 | #define SSD_CMD_GET_TEMPERATURE _IOR('H', 237, int) | |
1720 | #define SSD_CMD_GET_BMSTATUS _IOR('H', 238, int) | |
1721 | #define SSD_CMD_GET_LABEL2 _IOR('H', 239, void *) | |
1722 | ||
1723 | ||
1724 | #define SSD_CMD_FLUSH _IOW('H', 240, int) | |
1725 | #define SSD_CMD_SAVE_MD _IOW('H', 241, int) | |
1726 | ||
1727 | #define SSD_CMD_SET_WMODE _IOW('H', 242, int) | |
1728 | #define SSD_CMD_GET_WMODE _IOR('H', 243, int) | |
1729 | #define SSD_CMD_GET_USER_WMODE _IOR('H', 244, int) | |
1730 | ||
1731 | #define SSD_CMD_DEBUG _IOW('H', 250, struct ssd_debug_info) | |
1732 | #define SSD_CMD_DRV_PARAM_INFO _IOR('H', 251, struct ssd_drv_param_info) | |
1733 | ||
1734 | ||
1735 | /* log */ | |
1736 | #define SSD_LOG_MAX_SZ 4096 | |
1737 | #define SSD_LOG_LEVEL SSD_LOG_LEVEL_NOTICE | |
1738 | ||
1739 | enum ssd_log_data | |
1740 | { | |
1741 | SSD_LOG_DATA_NONE = 0, | |
1742 | SSD_LOG_DATA_LOC, | |
1743 | SSD_LOG_DATA_HEX | |
1744 | }; | |
1745 | ||
1746 | typedef struct ssd_log_entry | |
1747 | { | |
1748 | union { | |
1749 | struct { | |
1750 | uint32_t page:10; | |
1751 | uint32_t block:14; | |
1752 | uint32_t flash:8; | |
1753 | } loc; | |
1754 | struct { | |
1755 | uint32_t page:12; | |
1756 | uint32_t block:12; | |
1757 | uint32_t flash:8; | |
1758 | } loc1; | |
1759 | uint32_t val; | |
1760 | } data; | |
1761 | uint16_t event:10; | |
1762 | uint16_t mod:6; | |
1763 | uint16_t idx; | |
1764 | }__attribute__((packed))ssd_log_entry_t; | |
1765 | ||
1766 | typedef struct ssd_log | |
1767 | { | |
1768 | uint64_t time:56; | |
1769 | uint64_t ctrl_idx:8; | |
1770 | ssd_log_entry_t le; | |
1771 | } __attribute__((packed)) ssd_log_t; | |
1772 | ||
1773 | typedef struct ssd_log_desc | |
1774 | { | |
1775 | uint16_t event; | |
1776 | uint8_t level; | |
1777 | uint8_t data; | |
1778 | uint8_t sblock; | |
1779 | uint8_t spage; | |
1780 | char *desc; | |
1781 | } __attribute__((packed)) ssd_log_desc_t; | |
1782 | ||
1783 | #define SSD_LOG_SW_IDX 0xF | |
1784 | #define SSD_UNKNOWN_EVENT ((uint16_t)-1) | |
1785 | static struct ssd_log_desc ssd_log_desc[] = { | |
1786 | /* event, level, show flash, show block, show page, desc */ | |
1787 | {0x0, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 0, 0, "Create BBT failure"}, //g3 | |
1788 | {0x1, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 0, 0, "Read BBT failure"}, //g3 | |
1789 | {0x2, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Mark bad block"}, | |
1790 | {0x3, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Flush BBT failure"}, | |
1791 | {0x4, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"}, | |
1792 | {0x7, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "No available blocks"}, | |
1793 | {0x8, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Bad EC header"}, | |
1794 | {0x9, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 1, 0, "Bad VID header"}, //g3 | |
1795 | {0xa, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 0, "Wear leveling"}, | |
1796 | {0xb, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "WL read back failure"}, | |
1797 | {0x11, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Data recovery failure"}, // err | |
1798 | {0x20, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: scan mapping table failure"}, // err g3 | |
1799 | {0x21, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"}, | |
1800 | {0x22, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"}, | |
1801 | {0x23, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"}, | |
1802 | {0x24, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Merge: read mapping page failure"}, | |
1803 | {0x25, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Merge: read back failure"}, | |
1804 | {0x26, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"}, | |
1805 | {0x27, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 1, 1, "Data corrupted for abnormal power down"}, //g3 | |
1806 | {0x28, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Merge: mapping page corrupted"}, | |
1807 | {0x29, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Init: no mapping page"}, | |
1808 | {0x2a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: mapping pages incomplete"}, | |
1809 | {0x2b, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Read back failure after programming failure"}, // err | |
1810 | {0xf1, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Read failure without recovery"}, // err | |
1811 | {0xf2, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 0, 0, "No available blocks"}, // maybe err g3 | |
1812 | {0xf3, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Init: RAID incomplete"}, // err g3 | |
1813 | {0xf4, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"}, | |
1814 | {0xf5, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read failure in moving data"}, | |
1815 | {0xf6, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"}, | |
1816 | {0xf7, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 1, 1, "Init: RAID not complete"}, | |
1817 | {0xf8, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Init: data moving interrupted"}, | |
1818 | {0xfe, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Data inspection failure"}, | |
1819 | {0xff, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "IO: ECC failed"}, | |
1820 | ||
1821 | /* new */ | |
1822 | {0x2e, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 0, 0, "No available reserved blocks" }, // err | |
1823 | {0x30, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PMT membership not found"}, | |
1824 | {0x31, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Init: PMT corrupted"}, | |
1825 | {0x32, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PBT membership not found"}, | |
1826 | {0x33, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PBT not found"}, | |
1827 | {0x34, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PBT corrupted"}, | |
1828 | {0x35, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PMT page read failure"}, | |
1829 | {0x36, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT page read failure"}, | |
1830 | {0x37, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT backup page read failure"}, | |
1831 | {0x38, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBMT read failure"}, | |
1832 | {0x39, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: PBMT scan failure"}, // err | |
1833 | {0x3a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: first page read failure"}, | |
1834 | {0x3b, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: first page scan failure"}, // err | |
1835 | {0x3c, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: scan unclosed block failure"}, // err | |
1836 | {0x3d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: write pointer mismatch"}, | |
1837 | {0x3e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PMT recovery: PBMT read failure"}, | |
1838 | {0x3f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Init: PMT recovery: PBMT scan failure"}, | |
1839 | {0x40, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: PMT recovery: data page read failure"}, //err | |
1840 | {0x41, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT write pointer mismatch"}, | |
1841 | {0x42, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT latest version corrupted"}, | |
1842 | {0x43, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Init: too many unclosed blocks"}, | |
1843 | {0x44, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Init: PDW block found"}, | |
1844 | {0x45, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "Init: more than one PDW block found"}, //err | |
1845 | {0x46, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: first page is blank or read failure"}, | |
1846 | {0x47, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PDW block not found"}, | |
1847 | ||
1848 | {0x50, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Cache: hit error data"}, // err | |
1849 | {0x51, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Cache: read back failure"}, // err | |
1850 | {0x52, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Cache: unknown command"}, //? | |
1851 | {0x53, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "GC/WL read back failure"}, // err | |
1852 | ||
1853 | {0x60, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Erase failure"}, | |
1854 | ||
1855 | {0x70, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "LPA not matched"}, | |
1856 | {0x71, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "PBN not matched"}, | |
1857 | {0x72, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read retry failure"}, | |
1858 | {0x73, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Need raid recovery"}, | |
1859 | {0x74, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 1, "Need read retry"}, | |
1860 | {0x75, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read invalid data page"}, | |
1861 | {0x76, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 1, "ECC error, data in cache, PBN matched"}, | |
1862 | {0x77, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC error, data in cache, PBN not matched"}, | |
1863 | {0x78, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC error, data in flash, PBN not matched"}, | |
1864 | {0x79, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC ok, data in cache, LPA not matched"}, | |
1865 | {0x7a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC ok, data in flash, LPA not matched"}, | |
1866 | {0x7b, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID data in cache, LPA not matched"}, | |
1867 | {0x7c, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID data in flash, LPA not matched"}, | |
1868 | {0x7d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read data page status error"}, | |
1869 | {0x7e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read blank page"}, | |
1870 | {0x7f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Access flash timeout"}, | |
1871 | ||
1872 | {0x80, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "EC overflow"}, | |
1873 | {0x81, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_NONE, 0, 0, "Scrubbing completed"}, | |
1874 | {0x82, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 0, "Unstable block(too much bit flip)"}, | |
1875 | {0x83, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: ram error"}, //? | |
1876 | {0x84, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: one PBMT read failure"}, | |
1877 | ||
1878 | {0x88, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: mark bad block"}, | |
1879 | {0x89, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: invalid page count error"}, // maybe err | |
1880 | {0x8a, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "Warning: Bad Block close to limit"}, | |
1881 | {0x8b, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Error: Bad Block over limit"}, | |
1882 | {0x8c, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "Warning: P/E cycles close to limit"}, | |
1883 | {0x8d, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Error: P/E cycles over limit"}, | |
1884 | ||
1885 | {0x90, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Over temperature"}, //xx | |
1886 | {0x91, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Temperature is OK"}, //xx | |
1887 | {0x92, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "Battery fault"}, | |
1888 | {0x93, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "SEU fault"}, //err | |
1889 | {0x94, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "DDR error"}, //err | |
1890 | {0x95, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Controller serdes error"}, //err | |
1891 | {0x96, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Bridge serdes 1 error"}, //err | |
1892 | {0x97, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Bridge serdes 2 error"}, //err | |
1893 | {0x98, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "SEU fault (corrected)"}, //err | |
1894 | {0x99, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Battery is OK"}, | |
1895 | {0x9a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Temperature close to limit"}, //xx | |
1896 | ||
1897 | {0x9b, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "SEU fault address (low)"}, | |
1898 | {0x9c, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "SEU fault address (high)"}, | |
1899 | {0x9d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "I2C fault" }, | |
1900 | {0x9e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "DDR single bit error" }, | |
1901 | {0x9f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Board voltage fault" }, | |
1902 | ||
1903 | {0xa0, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "LPA not matched"}, | |
1904 | {0xa1, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Re-read data in cache"}, | |
1905 | {0xa2, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read blank page"}, | |
1906 | {0xa3, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: Read blank page"}, | |
1907 | {0xa4, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: new data in cache"}, | |
1908 | {0xa5, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: PBN not matched"}, | |
1909 | {0xa6, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read data with error flag"}, | |
1910 | {0xa7, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: recoverd data with error flag"}, | |
1911 | {0xa8, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Blank page in cache, PBN matched"}, | |
1912 | {0xa9, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: Blank page in cache, PBN matched"}, | |
1913 | {0xaa, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Flash init failure"}, | |
1914 | {0xab, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Mapping table recovery failure"}, | |
1915 | {0xac, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: ECC failed"}, | |
1916 | {0xb0, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Temperature is up to degree 95"}, | |
1917 | {0xb1, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Temperature is up to degree 100"}, | |
1918 | ||
1919 | {0x300, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "CMD timeout"}, | |
1920 | {0x301, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Power on"}, | |
1921 | {0x302, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Power off"}, | |
1922 | {0x303, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear log"}, | |
1923 | {0x304, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Set capacity"}, | |
1924 | {0x305, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear data"}, | |
1925 | {0x306, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "BM safety status"}, | |
1926 | {0x307, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "I/O error"}, | |
1927 | {0x308, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "CMD error"}, | |
1928 | {0x309, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Set wmode"}, | |
1929 | {0x30a, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "DDR init failed" }, | |
1930 | {0x30b, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "PCIe link status" }, | |
1931 | {0x30c, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "Controller reset sync error" }, | |
1932 | {0x30d, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "Clock fault" }, | |
1933 | {0x30e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "FPGA voltage fault status" }, | |
1934 | {0x30f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Set capacity finished"}, | |
1935 | {0x310, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear data finished"}, | |
1936 | {0x311, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Reset"}, | |
1937 | {0x312, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_HEX, 0, 0, "CAP: voltage fault"}, | |
1938 | {0x313, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_NONE, 0, 0, "CAP: learn fault"}, | |
1939 | {0x314, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "CAP status"}, | |
1940 | {0x315, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Board voltage fault status"}, | |
1941 | {0x316, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Inlet over temperature"}, | |
1942 | {0x317, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Inlet temperature is OK"}, | |
1943 | {0x318, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Flash over temperature"}, | |
1944 | {0x319, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Flash temperature is OK"}, | |
1945 | {0x31a, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_NONE, 0, 0, "CAP: short circuit"}, | |
1946 | {0x31b, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_HEX, 0, 0, "Sensor fault"}, | |
1947 | {0x31c, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Erase all data"}, | |
1948 | {0x31d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Erase all data finished"}, | |
1949 | ||
1950 | {SSD_UNKNOWN_EVENT, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "unknown event"}, | |
1951 | }; | |
1952 | /* */ | |
1953 | #define SSD_LOG_OVER_TEMP 0x90 | |
1954 | #define SSD_LOG_NORMAL_TEMP 0x91 | |
1955 | #define SSD_LOG_WARN_TEMP 0x9a | |
1956 | #define SSD_LOG_SEU_FAULT 0x93 | |
1957 | #define SSD_LOG_SEU_FAULT1 0x98 | |
1958 | #define SSD_LOG_BATTERY_FAULT 0x92 | |
1959 | #define SSD_LOG_BATTERY_OK 0x99 | |
1960 | #define SSD_LOG_BOARD_VOLT_FAULT 0x9f | |
1961 | ||
1962 | /* software log */ | |
1963 | #define SSD_LOG_TIMEOUT 0x300 | |
1964 | #define SSD_LOG_POWER_ON 0x301 | |
1965 | #define SSD_LOG_POWER_OFF 0x302 | |
1966 | #define SSD_LOG_CLEAR_LOG 0x303 | |
1967 | #define SSD_LOG_SET_CAPACITY 0x304 | |
1968 | #define SSD_LOG_CLEAR_DATA 0x305 | |
1969 | #define SSD_LOG_BM_SFSTATUS 0x306 | |
1970 | #define SSD_LOG_EIO 0x307 | |
1971 | #define SSD_LOG_ECMD 0x308 | |
1972 | #define SSD_LOG_SET_WMODE 0x309 | |
1973 | #define SSD_LOG_DDR_INIT_ERR 0x30a | |
1974 | #define SSD_LOG_PCIE_LINK_STATUS 0x30b | |
1975 | #define SSD_LOG_CTRL_RST_SYNC 0x30c | |
1976 | #define SSD_LOG_CLK_FAULT 0x30d | |
1977 | #define SSD_LOG_VOLT_FAULT 0x30e | |
1978 | #define SSD_LOG_SET_CAPACITY_END 0x30F | |
1979 | #define SSD_LOG_CLEAR_DATA_END 0x310 | |
1980 | #define SSD_LOG_RESET 0x311 | |
1981 | #define SSD_LOG_CAP_VOLT_FAULT 0x312 | |
1982 | #define SSD_LOG_CAP_LEARN_FAULT 0x313 | |
1983 | #define SSD_LOG_CAP_STATUS 0x314 | |
1984 | #define SSD_LOG_VOLT_STATUS 0x315 | |
1985 | #define SSD_LOG_INLET_OVER_TEMP 0x316 | |
1986 | #define SSD_LOG_INLET_NORMAL_TEMP 0x317 | |
1987 | #define SSD_LOG_FLASH_OVER_TEMP 0x318 | |
1988 | #define SSD_LOG_FLASH_NORMAL_TEMP 0x319 | |
1989 | #define SSD_LOG_CAP_SHORT_CIRCUIT 0x31a | |
1990 | #define SSD_LOG_SENSOR_FAULT 0x31b | |
1991 | #define SSD_LOG_ERASE_ALL 0x31c | |
1992 | #define SSD_LOG_ERASE_ALL_END 0x31d | |
1993 | ||
1994 | ||
1995 | /* sw log fifo depth */ | |
1996 | #define SSD_LOG_FIFO_SZ 1024 | |
1997 | ||
1998 | ||
1999 | /* done queue */ | |
2000 | static DEFINE_PER_CPU(struct list_head, ssd_doneq); | |
2001 | static DEFINE_PER_CPU(struct tasklet_struct, ssd_tasklet); | |
2002 | ||
2003 | ||
2004 | /* unloading driver */ | |
2005 | static volatile int ssd_exiting = 0; | |
2006 | ||
2007 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) | |
2008 | static struct class_simple *ssd_class; | |
2009 | #else | |
2010 | static struct class *ssd_class; | |
2011 | #endif | |
2012 | ||
2013 | static int ssd_cmajor = SSD_CMAJOR; | |
2014 | ||
2015 | /* ssd block device major, minors */ | |
2016 | static int ssd_major = SSD_MAJOR; | |
2017 | static int ssd_major_sl = SSD_MAJOR_SL; | |
2018 | static int ssd_minors = SSD_MINORS; | |
2019 | ||
2020 | /* ssd device list */ | |
2021 | static struct list_head ssd_list; | |
2022 | static unsigned long ssd_index_bits[SSD_MAX_DEV / BITS_PER_LONG + 1]; | |
2023 | static unsigned long ssd_index_bits_sl[SSD_MAX_DEV / BITS_PER_LONG + 1]; | |
2024 | static atomic_t ssd_nr; | |
2025 | ||
2026 | /* module param */ | |
2027 | enum ssd_drv_mode | |
2028 | { | |
2029 | SSD_DRV_MODE_STANDARD = 0, /* full */ | |
2030 | SSD_DRV_MODE_DEBUG = 2, /* debug */ | |
2031 | SSD_DRV_MODE_BASE /* base only */ | |
2032 | }; | |
2033 | ||
2034 | enum ssd_int_mode | |
2035 | { | |
2036 | SSD_INT_LEGACY = 0, | |
2037 | SSD_INT_MSI, | |
2038 | SSD_INT_MSIX | |
2039 | }; | |
2040 | ||
2041 | #if (defined SSD_MSIX) | |
2042 | #define SSD_INT_MODE_DEFAULT SSD_INT_MSIX | |
2043 | #elif (defined SSD_MSI) | |
2044 | #define SSD_INT_MODE_DEFAULT SSD_INT_MSI | |
2045 | #else | |
2046 | /* auto select the defaut int mode according to the kernel version*/ | |
2047 | /* suse 11 sp1 irqbalance bug: use msi instead*/ | |
2048 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR >= 6) || (defined RHEL_MAJOR && RHEL_MAJOR == 5 && RHEL_MINOR >= 5)) | |
2049 | #define SSD_INT_MODE_DEFAULT SSD_INT_MSIX | |
2050 | #else | |
2051 | #define SSD_INT_MODE_DEFAULT SSD_INT_MSI | |
2052 | #endif | |
2053 | #endif | |
2054 | ||
2055 | static int mode = SSD_DRV_MODE_STANDARD; | |
2056 | static int status_mask = 0xFF; | |
2057 | static int int_mode = SSD_INT_MODE_DEFAULT; | |
2058 | static int threaded_irq = 0; | |
2059 | static int log_level = SSD_LOG_LEVEL_WARNING; | |
2060 | static int ot_protect = 1; | |
2061 | static int wmode = SSD_WMODE_DEFAULT; | |
2062 | static int finject = 0; | |
2063 | ||
2064 | module_param(mode, int, 0); | |
2065 | module_param(status_mask, int, 0); | |
2066 | module_param(int_mode, int, 0); | |
2067 | module_param(threaded_irq, int, 0); | |
2068 | module_param(log_level, int, 0); | |
2069 | module_param(ot_protect, int, 0); | |
2070 | module_param(wmode, int, 0); | |
2071 | module_param(finject, int, 0); | |
2072 | ||
2073 | ||
2074 | MODULE_PARM_DESC(mode, "driver mode, 0 - standard, 1 - debug, 2 - debug without IO, 3 - basic debug mode"); | |
2075 | MODULE_PARM_DESC(status_mask, "command status mask, 0 - without command error, 0xff - with command error"); | |
2076 | MODULE_PARM_DESC(int_mode, "preferred interrupt mode, 0 - legacy, 1 - msi, 2 - msix"); | |
2077 | MODULE_PARM_DESC(threaded_irq, "threaded irq, 0 - normal irq, 1 - threaded irq"); | |
2078 | MODULE_PARM_DESC(log_level, "log level to display, 0 - info and above, 1 - notice and above, 2 - warning and above, 3 - error only"); | |
2079 | MODULE_PARM_DESC(ot_protect, "over temperature protect, 0 - disable, 1 - enable"); | |
2080 | MODULE_PARM_DESC(wmode, "write mode, 0 - write buffer (with risk for the 6xx firmware), 1 - write buffer ex, 2 - write through, 3 - auto, 4 - default"); | |
2081 | MODULE_PARM_DESC(finject, "enable fault simulation, 0 - off, 1 - on, for debug purpose only"); | |
2082 | ||
2083 | ||
2084 | #ifndef MODULE | |
2085 | static int __init ssd_drv_mode(char *str) | |
2086 | { | |
2087 | mode = (int)simple_strtoul(str, NULL, 0); | |
2088 | ||
2089 | return 1; | |
2090 | } | |
2091 | ||
2092 | static int __init ssd_status_mask(char *str) | |
2093 | { | |
2094 | status_mask = (int)simple_strtoul(str, NULL, 16); | |
2095 | ||
2096 | return 1; | |
2097 | } | |
2098 | ||
2099 | static int __init ssd_int_mode(char *str) | |
2100 | { | |
2101 | int_mode = (int)simple_strtoul(str, NULL, 0); | |
2102 | ||
2103 | return 1; | |
2104 | } | |
2105 | ||
2106 | static int __init ssd_threaded_irq(char *str) | |
2107 | { | |
2108 | threaded_irq = (int)simple_strtoul(str, NULL, 0); | |
2109 | ||
2110 | return 1; | |
2111 | } | |
2112 | ||
2113 | static int __init ssd_log_level(char *str) | |
2114 | { | |
2115 | log_level = (int)simple_strtoul(str, NULL, 0); | |
2116 | ||
2117 | return 1; | |
2118 | } | |
2119 | ||
2120 | static int __init ssd_ot_protect(char *str) | |
2121 | { | |
2122 | ot_protect = (int)simple_strtoul(str, NULL, 0); | |
2123 | ||
2124 | return 1; | |
2125 | } | |
2126 | ||
2127 | static int __init ssd_wmode(char *str) | |
2128 | { | |
2129 | wmode = (int)simple_strtoul(str, NULL, 0); | |
2130 | ||
2131 | return 1; | |
2132 | } | |
2133 | ||
2134 | static int __init ssd_finject(char *str) | |
2135 | { | |
2136 | finject = (int)simple_strtoul(str, NULL, 0); | |
2137 | ||
2138 | return 1; | |
2139 | } | |
2140 | ||
2141 | __setup(MODULE_NAME"_mode=", ssd_drv_mode); | |
2142 | __setup(MODULE_NAME"_status_mask=", ssd_status_mask); | |
2143 | __setup(MODULE_NAME"_int_mode=", ssd_int_mode); | |
2144 | __setup(MODULE_NAME"_threaded_irq=", ssd_threaded_irq); | |
2145 | __setup(MODULE_NAME"_log_level=", ssd_log_level); | |
2146 | __setup(MODULE_NAME"_ot_protect=", ssd_ot_protect); | |
2147 | __setup(MODULE_NAME"_wmode=", ssd_wmode); | |
2148 | __setup(MODULE_NAME"_finject=", ssd_finject); | |
2149 | #endif | |
2150 | ||
2151 | ||
2152 | #ifdef CONFIG_PROC_FS | |
2153 | #include <linux/proc_fs.h> | |
2154 | #include <asm/uaccess.h> | |
2155 | ||
2156 | #define SSD_PROC_DIR MODULE_NAME | |
2157 | #define SSD_PROC_INFO "info" | |
2158 | ||
2159 | static struct proc_dir_entry *ssd_proc_dir = NULL; | |
2160 | static struct proc_dir_entry *ssd_proc_info = NULL; | |
2161 | ||
2162 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)) | |
2163 | static int ssd_proc_read(char *page, char **start, | |
2164 | off_t off, int count, int *eof, void *data) | |
2165 | { | |
2166 | struct ssd_device *dev = NULL; | |
2167 | struct ssd_device *n = NULL; | |
2168 | uint64_t size; | |
2169 | int idx; | |
2170 | int len = 0; | |
2171 | //char type; //xx | |
2172 | ||
2173 | if (ssd_exiting) { | |
2174 | return 0; | |
2175 | } | |
2176 | ||
2177 | len += snprintf((page + len), (count - len), "Driver Version:\t%s\n", DRIVER_VERSION); | |
2178 | ||
2179 | list_for_each_entry_safe(dev, n, &ssd_list, list) { | |
2180 | idx = dev->idx + 1; | |
2181 | size = dev->hw_info.size ; | |
2182 | do_div(size, 1000000000); | |
2183 | ||
2184 | len += snprintf((page + len), (count - len), "\n"); | |
2185 | ||
2186 | len += snprintf((page + len), (count - len), "HIO %d Size:\t%uGB\n", idx, (uint32_t)size); | |
2187 | ||
2188 | len += snprintf((page + len), (count - len), "HIO %d Bridge FW VER:\t%03X\n", idx, dev->hw_info.bridge_ver); | |
2189 | if (dev->hw_info.ctrl_ver != 0) { | |
2190 | len += snprintf((page + len), (count - len), "HIO %d Controller FW VER:\t%03X\n", idx, dev->hw_info.ctrl_ver); | |
2191 | } | |
2192 | ||
2193 | len += snprintf((page + len), (count - len), "HIO %d PCB VER:\t.%c\n", idx, dev->hw_info.pcb_ver); | |
2194 | ||
2195 | if (dev->hw_info.upper_pcb_ver >= 'A') { | |
2196 | len += snprintf((page + len), (count - len), "HIO %d Upper PCB VER:\t.%c\n", idx, dev->hw_info.upper_pcb_ver); | |
2197 | } | |
2198 | ||
2199 | len += snprintf((page + len), (count - len), "HIO %d Device:\t%s\n", idx, dev->name); | |
2200 | } | |
2201 | ||
2202 | return len; | |
2203 | } | |
2204 | ||
2205 | #else | |
2206 | ||
2207 | static int ssd_proc_show(struct seq_file *m, void *v) | |
2208 | { | |
2209 | struct ssd_device *dev = NULL; | |
2210 | struct ssd_device *n = NULL; | |
2211 | uint64_t size; | |
2212 | int idx; | |
2213 | ||
2214 | if (ssd_exiting) { | |
2215 | return 0; | |
2216 | } | |
2217 | ||
2218 | seq_printf(m, "Driver Version:\t%s\n", DRIVER_VERSION); | |
2219 | ||
2220 | list_for_each_entry_safe(dev, n, &ssd_list, list) { | |
2221 | idx = dev->idx + 1; | |
2222 | size = dev->hw_info.size ; | |
2223 | do_div(size, 1000000000); | |
2224 | ||
2225 | seq_printf(m, "\n"); | |
2226 | ||
2227 | seq_printf(m, "HIO %d Size:\t%uGB\n", idx, (uint32_t)size); | |
2228 | ||
2229 | seq_printf(m, "HIO %d Bridge FW VER:\t%03X\n", idx, dev->hw_info.bridge_ver); | |
2230 | if (dev->hw_info.ctrl_ver != 0) { | |
2231 | seq_printf(m, "HIO %d Controller FW VER:\t%03X\n", idx, dev->hw_info.ctrl_ver); | |
2232 | } | |
2233 | ||
2234 | seq_printf(m, "HIO %d PCB VER:\t.%c\n", idx, dev->hw_info.pcb_ver); | |
2235 | ||
2236 | if (dev->hw_info.upper_pcb_ver >= 'A') { | |
2237 | seq_printf(m, "HIO %d Upper PCB VER:\t.%c\n", idx, dev->hw_info.upper_pcb_ver); | |
2238 | } | |
2239 | ||
2240 | seq_printf(m, "HIO %d Device:\t%s\n", idx, dev->name); | |
2241 | } | |
2242 | ||
2243 | return 0; | |
2244 | } | |
2245 | ||
2246 | static int ssd_proc_open(struct inode *inode, struct file *file) | |
2247 | { | |
2248 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(3,9,0)) | |
2249 | return single_open(file, ssd_proc_show, PDE(inode)->data); | |
2250 | #else | |
2251 | return single_open(file, ssd_proc_show, PDE_DATA(inode)); | |
2252 | #endif | |
2253 | } | |
2254 | ||
2255 | static const struct file_operations ssd_proc_fops = { | |
2256 | .open = ssd_proc_open, | |
2257 | .read = seq_read, | |
2258 | .llseek = seq_lseek, | |
2259 | .release = single_release, | |
2260 | }; | |
2261 | #endif | |
2262 | ||
2263 | ||
2264 | static void ssd_cleanup_proc(void) | |
2265 | { | |
2266 | if (ssd_proc_info) { | |
2267 | remove_proc_entry(SSD_PROC_INFO, ssd_proc_dir); | |
2268 | ssd_proc_info = NULL; | |
2269 | } | |
2270 | if (ssd_proc_dir) { | |
2271 | remove_proc_entry(SSD_PROC_DIR, NULL); | |
2272 | ssd_proc_dir = NULL; | |
2273 | } | |
2274 | } | |
2275 | static int ssd_init_proc(void) | |
2276 | { | |
2277 | ssd_proc_dir = proc_mkdir(SSD_PROC_DIR, NULL); | |
2278 | if (!ssd_proc_dir) | |
2279 | goto out_proc_mkdir; | |
2280 | ||
2281 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)) | |
2282 | ssd_proc_info = create_proc_entry(SSD_PROC_INFO, S_IFREG | S_IRUGO | S_IWUSR, ssd_proc_dir); | |
2283 | if (!ssd_proc_info) | |
2284 | goto out_create_proc_entry; | |
2285 | ||
2286 | ssd_proc_info->read_proc = ssd_proc_read; | |
2287 | ||
2288 | /* kernel bug */ | |
2289 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)) | |
2290 | ssd_proc_info->owner = THIS_MODULE; | |
2291 | #endif | |
2292 | #else | |
2293 | ssd_proc_info = proc_create(SSD_PROC_INFO, 0600, ssd_proc_dir, &ssd_proc_fops); | |
2294 | if (!ssd_proc_info) | |
2295 | goto out_create_proc_entry; | |
2296 | #endif | |
2297 | ||
2298 | return 0; | |
2299 | ||
2300 | out_create_proc_entry: | |
2301 | remove_proc_entry(SSD_PROC_DIR, NULL); | |
2302 | out_proc_mkdir: | |
2303 | return -ENOMEM; | |
2304 | } | |
2305 | ||
2306 | #else | |
2307 | static void ssd_cleanup_proc(void) | |
2308 | { | |
2309 | return; | |
2310 | } | |
2311 | static int ssd_init_proc(void) | |
2312 | { | |
2313 | return 0; | |
2314 | } | |
2315 | #endif /* CONFIG_PROC_FS */ | |
2316 | ||
2317 | /* sysfs */ | |
2318 | static void ssd_unregister_sysfs(struct ssd_device *dev) | |
2319 | { | |
2320 | return; | |
2321 | } | |
2322 | ||
2323 | static int ssd_register_sysfs(struct ssd_device *dev) | |
2324 | { | |
2325 | return 0; | |
2326 | } | |
2327 | ||
2328 | static void ssd_cleanup_sysfs(void) | |
2329 | { | |
2330 | return; | |
2331 | } | |
2332 | ||
2333 | static int ssd_init_sysfs(void) | |
2334 | { | |
2335 | return 0; | |
2336 | } | |
2337 | ||
2338 | static inline void ssd_put_index(int slave, int index) | |
2339 | { | |
2340 | unsigned long *index_bits = ssd_index_bits; | |
2341 | ||
2342 | if (slave) { | |
2343 | index_bits = ssd_index_bits_sl; | |
2344 | } | |
2345 | ||
2346 | if (test_and_clear_bit(index, index_bits)) { | |
2347 | atomic_dec(&ssd_nr); | |
2348 | } | |
2349 | } | |
2350 | ||
2351 | static inline int ssd_get_index(int slave) | |
2352 | { | |
2353 | unsigned long *index_bits = ssd_index_bits; | |
2354 | int index; | |
2355 | ||
2356 | if (slave) { | |
2357 | index_bits = ssd_index_bits_sl; | |
2358 | } | |
2359 | ||
2360 | find_index: | |
2361 | if ((index = find_first_zero_bit(index_bits, SSD_MAX_DEV)) >= SSD_MAX_DEV) { | |
2362 | return -1; | |
2363 | } | |
2364 | ||
2365 | if (test_and_set_bit(index, index_bits)) { | |
2366 | goto find_index; | |
2367 | } | |
2368 | ||
2369 | atomic_inc(&ssd_nr); | |
2370 | ||
2371 | return index; | |
2372 | } | |
2373 | ||
2374 | static void ssd_cleanup_index(void) | |
2375 | { | |
2376 | return; | |
2377 | } | |
2378 | ||
2379 | static int ssd_init_index(void) | |
2380 | { | |
2381 | INIT_LIST_HEAD(&ssd_list); | |
2382 | atomic_set(&ssd_nr, 0); | |
2383 | memset(ssd_index_bits, 0, (SSD_MAX_DEV / BITS_PER_LONG + 1)); | |
2384 | memset(ssd_index_bits_sl, 0, (SSD_MAX_DEV / BITS_PER_LONG + 1)); | |
2385 | ||
2386 | return 0; | |
2387 | } | |
2388 | ||
2389 | static void ssd_set_dev_name(char *name, size_t size, int idx) | |
2390 | { | |
2391 | if(idx < SSD_ALPHABET_NUM) { | |
2392 | snprintf(name, size, "%c", 'a'+idx); | |
2393 | } else { | |
2394 | idx -= SSD_ALPHABET_NUM; | |
2395 | snprintf(name, size, "%c%c", 'a'+(idx/SSD_ALPHABET_NUM), 'a'+(idx%SSD_ALPHABET_NUM)); | |
2396 | } | |
2397 | } | |
2398 | ||
2399 | /* pci register r&w */ | |
2400 | static inline void ssd_reg_write(void *addr, uint64_t val) | |
2401 | { | |
2402 | iowrite32((uint32_t)val, addr); | |
2403 | iowrite32((uint32_t)(val >> 32), addr + 4); | |
2404 | wmb(); | |
2405 | } | |
2406 | ||
2407 | static inline uint64_t ssd_reg_read(void *addr) | |
2408 | { | |
2409 | uint64_t val; | |
2410 | uint32_t val_lo, val_hi; | |
2411 | ||
2412 | val_lo = ioread32(addr); | |
2413 | val_hi = ioread32(addr + 4); | |
2414 | ||
2415 | rmb(); | |
2416 | val = val_lo | ((uint64_t)val_hi << 32); | |
2417 | ||
2418 | return val; | |
2419 | } | |
2420 | ||
2421 | ||
2422 | #define ssd_reg32_write(addr, val) writel(val, addr) | |
2423 | #define ssd_reg32_read(addr) readl(addr) | |
2424 | ||
2425 | /* alarm led */ | |
2426 | static void ssd_clear_alarm(struct ssd_device *dev) | |
2427 | { | |
2428 | uint32_t val; | |
2429 | ||
2430 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
2431 | return; | |
2432 | } | |
2433 | ||
2434 | val = ssd_reg32_read(dev->ctrlp + SSD_LED_REG); | |
2435 | ||
2436 | /* firmware control */ | |
2437 | val &= ~0x2; | |
2438 | ||
2439 | ssd_reg32_write(dev->ctrlp + SSD_LED_REG, val); | |
2440 | } | |
2441 | ||
2442 | static void ssd_set_alarm(struct ssd_device *dev) | |
2443 | { | |
2444 | uint32_t val; | |
2445 | ||
2446 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
2447 | return; | |
2448 | } | |
2449 | ||
2450 | val = ssd_reg32_read(dev->ctrlp + SSD_LED_REG); | |
2451 | ||
2452 | /* light up */ | |
2453 | val &= ~0x1; | |
2454 | /* software control */ | |
2455 | val |= 0x2; | |
2456 | ||
2457 | ssd_reg32_write(dev->ctrlp + SSD_LED_REG, val); | |
2458 | } | |
2459 | ||
2460 | #define u32_swap(x) \ | |
2461 | ((uint32_t)( \ | |
2462 | (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \ | |
2463 | (((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \ | |
2464 | (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \ | |
2465 | (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24))) | |
2466 | ||
2467 | #define u16_swap(x) \ | |
2468 | ((uint16_t)( \ | |
2469 | (((uint16_t)(x) & (uint16_t)0x00ff) << 8) | \ | |
2470 | (((uint16_t)(x) & (uint16_t)0xff00) >> 8) )) | |
2471 | ||
2472 | ||
2473 | #if 0 | |
2474 | /* No lock, for init only*/ | |
2475 | static int ssd_spi_read_id(struct ssd_device *dev, uint32_t *id) | |
2476 | { | |
2477 | uint32_t val; | |
2478 | unsigned long st; | |
2479 | int ret = 0; | |
2480 | ||
2481 | if (!dev || !id) { | |
2482 | return -EINVAL; | |
2483 | } | |
2484 | ||
2485 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_ID); | |
2486 | ||
2487 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2488 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2489 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2490 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2491 | ||
2492 | st = jiffies; | |
2493 | for (;;) { | |
2494 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2495 | if (val == 0x1000000) { | |
2496 | break; | |
2497 | } | |
2498 | ||
2499 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2500 | ret = -ETIMEDOUT; | |
2501 | goto out; | |
2502 | } | |
2503 | cond_resched(); | |
2504 | } | |
2505 | ||
2506 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_ID); | |
2507 | *id = val; | |
2508 | ||
2509 | out: | |
2510 | return ret; | |
2511 | } | |
2512 | #endif | |
2513 | ||
2514 | /* spi access */ | |
2515 | static int ssd_init_spi(struct ssd_device *dev) | |
2516 | { | |
2517 | uint32_t val; | |
2518 | unsigned long st; | |
2519 | int ret = 0; | |
2520 | ||
2521 | mutex_lock(&dev->spi_mutex); | |
2522 | st = jiffies; | |
2523 | for(;;) { | |
2524 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_STATUS); | |
2525 | ||
2526 | do { | |
2527 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2528 | ||
2529 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2530 | ret = -ETIMEDOUT; | |
2531 | goto out; | |
2532 | } | |
2533 | cond_resched(); | |
2534 | } while (val != 0x1000000); | |
2535 | ||
2536 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_STATUS); | |
2537 | if (!(val & 0x1)) { | |
2538 | break; | |
2539 | } | |
2540 | ||
2541 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2542 | ret = -ETIMEDOUT; | |
2543 | goto out; | |
2544 | } | |
2545 | cond_resched(); | |
2546 | } | |
2547 | ||
2548 | out: | |
2549 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
2550 | if (val & 0x1) { | |
2551 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_CLSR); | |
2552 | } | |
2553 | } | |
2554 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_DISABLE); | |
2555 | mutex_unlock(&dev->spi_mutex); | |
2556 | ||
2557 | ret = 0; | |
2558 | ||
2559 | return ret; | |
2560 | } | |
2561 | ||
2562 | static int ssd_spi_page_read(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size) | |
2563 | { | |
2564 | uint32_t val; | |
2565 | uint32_t rlen = 0; | |
2566 | unsigned long st; | |
2567 | int ret = 0; | |
2568 | ||
2569 | if (!dev || !buf) { | |
2570 | return -EINVAL; | |
2571 | } | |
2572 | ||
2573 | if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 || | |
2574 | ((uint64_t)off + (uint64_t)size) > dev->rom_info.size || size > dev->rom_info.page_size) { | |
2575 | return -EINVAL; | |
2576 | } | |
2577 | ||
2578 | mutex_lock(&dev->spi_mutex); | |
2579 | while (rlen < size) { | |
2580 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD_HI, ((off + rlen) >> 24)); | |
2581 | wmb(); | |
2582 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, (((off + rlen) << 8) | SSD_SPI_CMD_READ)); | |
2583 | ||
2584 | (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2585 | (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2586 | (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2587 | (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2588 | ||
2589 | st = jiffies; | |
2590 | for (;;) { | |
2591 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2592 | if (val == 0x1000000) { | |
2593 | break; | |
2594 | } | |
2595 | ||
2596 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2597 | ret = -ETIMEDOUT; | |
2598 | goto out; | |
2599 | } | |
2600 | cond_resched(); | |
2601 | } | |
2602 | ||
2603 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_RDATA); | |
2604 | *(uint32_t *)(buf + rlen)= u32_swap(val); | |
2605 | ||
2606 | rlen += sizeof(uint32_t); | |
2607 | } | |
2608 | ||
2609 | out: | |
2610 | mutex_unlock(&dev->spi_mutex); | |
2611 | return ret; | |
2612 | } | |
2613 | ||
2614 | static int ssd_spi_page_write(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size) | |
2615 | { | |
2616 | uint32_t val; | |
2617 | uint32_t wlen; | |
2618 | unsigned long st; | |
2619 | int i; | |
2620 | int ret = 0; | |
2621 | ||
2622 | if (!dev || !buf) { | |
2623 | return -EINVAL; | |
2624 | } | |
2625 | ||
2626 | if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 || | |
2627 | ((uint64_t)off + (uint64_t)size) > dev->rom_info.size || size > dev->rom_info.page_size || | |
2628 | (off / dev->rom_info.page_size) != ((off + size - 1) / dev->rom_info.page_size)) { | |
2629 | return -EINVAL; | |
2630 | } | |
2631 | ||
2632 | mutex_lock(&dev->spi_mutex); | |
2633 | ||
2634 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_ENABLE); | |
2635 | ||
2636 | wlen = size / sizeof(uint32_t); | |
2637 | for (i=0; i<(int)wlen; i++) { | |
2638 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_WDATA, u32_swap(*((uint32_t *)buf + i))); | |
2639 | } | |
2640 | ||
2641 | wmb(); | |
2642 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD_HI, (off >> 24)); | |
2643 | wmb(); | |
2644 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, ((off << 8) | SSD_SPI_CMD_PROGRAM)); | |
2645 | ||
2646 | udelay(1); | |
2647 | ||
2648 | st = jiffies; | |
2649 | for (;;) { | |
2650 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_STATUS); | |
2651 | do { | |
2652 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2653 | ||
2654 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2655 | ret = -ETIMEDOUT; | |
2656 | goto out; | |
2657 | } | |
2658 | cond_resched(); | |
2659 | } while (val != 0x1000000); | |
2660 | ||
2661 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_STATUS); | |
2662 | if (!(val & 0x1)) { | |
2663 | break; | |
2664 | } | |
2665 | ||
2666 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2667 | ret = -ETIMEDOUT; | |
2668 | goto out; | |
2669 | } | |
2670 | cond_resched(); | |
2671 | } | |
2672 | ||
2673 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
2674 | if ((val >> 6) & 0x1) { | |
2675 | ret = -EIO; | |
2676 | goto out; | |
2677 | } | |
2678 | } | |
2679 | ||
2680 | out: | |
2681 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
2682 | if (val & 0x1) { | |
2683 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_CLSR); | |
2684 | } | |
2685 | } | |
2686 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_DISABLE); | |
2687 | ||
2688 | mutex_unlock(&dev->spi_mutex); | |
2689 | ||
2690 | return ret; | |
2691 | } | |
2692 | ||
2693 | static int ssd_spi_block_erase(struct ssd_device *dev, uint32_t off) | |
2694 | { | |
2695 | uint32_t val; | |
2696 | unsigned long st; | |
2697 | int ret = 0; | |
2698 | ||
2699 | if (!dev) { | |
2700 | return -EINVAL; | |
2701 | } | |
2702 | ||
2703 | if ((off % dev->rom_info.block_size) != 0 || off >= dev->rom_info.size) { | |
2704 | return -EINVAL; | |
2705 | } | |
2706 | ||
2707 | mutex_lock(&dev->spi_mutex); | |
2708 | ||
2709 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_ENABLE); | |
2710 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_ENABLE); | |
2711 | ||
2712 | wmb(); | |
2713 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD_HI, (off >> 24)); | |
2714 | wmb(); | |
2715 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, ((off << 8) | SSD_SPI_CMD_ERASE)); | |
2716 | ||
2717 | st = jiffies; | |
2718 | for (;;) { | |
2719 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_STATUS); | |
2720 | ||
2721 | do { | |
2722 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY); | |
2723 | ||
2724 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2725 | ret = -ETIMEDOUT; | |
2726 | goto out; | |
2727 | } | |
2728 | cond_resched(); | |
2729 | } while (val != 0x1000000); | |
2730 | ||
2731 | val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_STATUS); | |
2732 | if (!(val & 0x1)) { | |
2733 | break; | |
2734 | } | |
2735 | ||
2736 | if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) { | |
2737 | ret = -ETIMEDOUT; | |
2738 | goto out; | |
2739 | } | |
2740 | cond_resched(); | |
2741 | } | |
2742 | ||
2743 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
2744 | if ((val >> 5) & 0x1) { | |
2745 | ret = -EIO; | |
2746 | goto out; | |
2747 | } | |
2748 | } | |
2749 | ||
2750 | out: | |
2751 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
2752 | if (val & 0x1) { | |
2753 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_CLSR); | |
2754 | } | |
2755 | } | |
2756 | ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_DISABLE); | |
2757 | ||
2758 | mutex_unlock(&dev->spi_mutex); | |
2759 | ||
2760 | return ret; | |
2761 | } | |
2762 | ||
2763 | static int ssd_spi_read(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size) | |
2764 | { | |
2765 | uint32_t len = 0; | |
2766 | uint32_t roff; | |
2767 | uint32_t rsize; | |
2768 | int ret = 0; | |
2769 | ||
2770 | if (!dev || !buf) { | |
2771 | return -EINVAL; | |
2772 | } | |
2773 | ||
2774 | if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 || | |
2775 | ((uint64_t)off + (uint64_t)size) > dev->rom_info.size) { | |
2776 | return -EINVAL; | |
2777 | } | |
2778 | ||
2779 | while (len < size) { | |
2780 | roff = (off + len) % dev->rom_info.page_size; | |
2781 | rsize = dev->rom_info.page_size - roff; | |
2782 | if ((size - len) < rsize) { | |
2783 | rsize = (size - len); | |
2784 | } | |
2785 | roff = off + len; | |
2786 | ||
2787 | ret = ssd_spi_page_read(dev, (buf + len), roff, rsize); | |
2788 | if (ret) { | |
2789 | goto out; | |
2790 | } | |
2791 | ||
2792 | len += rsize; | |
2793 | ||
2794 | cond_resched(); | |
2795 | } | |
2796 | ||
2797 | out: | |
2798 | return ret; | |
2799 | } | |
2800 | ||
2801 | static int ssd_spi_write(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size) | |
2802 | { | |
2803 | uint32_t len = 0; | |
2804 | uint32_t woff; | |
2805 | uint32_t wsize; | |
2806 | int ret = 0; | |
2807 | ||
2808 | if (!dev || !buf) { | |
2809 | return -EINVAL; | |
2810 | } | |
2811 | ||
2812 | if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 || | |
2813 | ((uint64_t)off + (uint64_t)size) > dev->rom_info.size) { | |
2814 | return -EINVAL; | |
2815 | } | |
2816 | ||
2817 | while (len < size) { | |
2818 | woff = (off + len) % dev->rom_info.page_size; | |
2819 | wsize = dev->rom_info.page_size - woff; | |
2820 | if ((size - len) < wsize) { | |
2821 | wsize = (size - len); | |
2822 | } | |
2823 | woff = off + len; | |
2824 | ||
2825 | ret = ssd_spi_page_write(dev, (buf + len), woff, wsize); | |
2826 | if (ret) { | |
2827 | goto out; | |
2828 | } | |
2829 | ||
2830 | len += wsize; | |
2831 | ||
2832 | cond_resched(); | |
2833 | } | |
2834 | ||
2835 | out: | |
2836 | return ret; | |
2837 | } | |
2838 | ||
2839 | static int ssd_spi_erase(struct ssd_device *dev, uint32_t off, uint32_t size) | |
2840 | { | |
2841 | uint32_t len = 0; | |
2842 | uint32_t eoff; | |
2843 | int ret = 0; | |
2844 | ||
2845 | if (!dev) { | |
2846 | return -EINVAL; | |
2847 | } | |
2848 | ||
2849 | if (size == 0 || ((uint64_t)off + (uint64_t)size) > dev->rom_info.size || | |
2850 | (off % dev->rom_info.block_size) != 0 || (size % dev->rom_info.block_size) != 0) { | |
2851 | return -EINVAL; | |
2852 | } | |
2853 | ||
2854 | while (len < size) { | |
2855 | eoff = (off + len); | |
2856 | ||
2857 | ret = ssd_spi_block_erase(dev, eoff); | |
2858 | if (ret) { | |
2859 | goto out; | |
2860 | } | |
2861 | ||
2862 | len += dev->rom_info.block_size; | |
2863 | ||
2864 | cond_resched(); | |
2865 | } | |
2866 | ||
2867 | out: | |
2868 | return ret; | |
2869 | } | |
2870 | ||
2871 | /* i2c access */ | |
2872 | static uint32_t __ssd_i2c_reg32_read(void *addr) | |
2873 | { | |
2874 | return ssd_reg32_read(addr); | |
2875 | } | |
2876 | ||
2877 | static void __ssd_i2c_reg32_write(void *addr, uint32_t val) | |
2878 | { | |
2879 | ssd_reg32_write(addr, val); | |
2880 | ssd_reg32_read(addr); | |
2881 | } | |
2882 | ||
2883 | static int __ssd_i2c_clear(struct ssd_device *dev, uint8_t saddr) | |
2884 | { | |
2885 | ssd_i2c_ctrl_t ctrl; | |
2886 | ssd_i2c_data_t data; | |
2887 | uint8_t status = 0; | |
2888 | int nr_data = 0; | |
2889 | unsigned long st; | |
2890 | int ret = 0; | |
2891 | ||
2892 | check_status: | |
2893 | ctrl.bits.wdata = 0; | |
2894 | ctrl.bits.addr = SSD_I2C_STATUS_REG; | |
2895 | ctrl.bits.rw = SSD_I2C_CTRL_READ; | |
2896 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
2897 | ||
2898 | st = jiffies; | |
2899 | for (;;) { | |
2900 | data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG); | |
2901 | if (data.bits.valid == 0) { | |
2902 | break; | |
2903 | } | |
2904 | ||
2905 | /* retry */ | |
2906 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
2907 | ret = -ETIMEDOUT; | |
2908 | goto out; | |
2909 | } | |
2910 | cond_resched(); | |
2911 | } | |
2912 | status = data.bits.rdata; | |
2913 | ||
2914 | if (!(status & 0x4)) { | |
2915 | /* clear read fifo data */ | |
2916 | ctrl.bits.wdata = 0; | |
2917 | ctrl.bits.addr = SSD_I2C_DATA_REG; | |
2918 | ctrl.bits.rw = SSD_I2C_CTRL_READ; | |
2919 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
2920 | ||
2921 | st = jiffies; | |
2922 | for (;;) { | |
2923 | data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG); | |
2924 | if (data.bits.valid == 0) { | |
2925 | break; | |
2926 | } | |
2927 | ||
2928 | /* retry */ | |
2929 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
2930 | ret = -ETIMEDOUT; | |
2931 | goto out; | |
2932 | } | |
2933 | cond_resched(); | |
2934 | } | |
2935 | ||
2936 | nr_data++; | |
2937 | if (nr_data <= SSD_I2C_MAX_DATA) { | |
2938 | goto check_status; | |
2939 | } else { | |
2940 | goto out_reset; | |
2941 | } | |
2942 | } | |
2943 | ||
2944 | if (status & 0x3) { | |
2945 | /* clear int */ | |
2946 | ctrl.bits.wdata = 0x04; | |
2947 | ctrl.bits.addr = SSD_I2C_CMD_REG; | |
2948 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
2949 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
2950 | } | |
2951 | ||
2952 | if (!(status & 0x8)) { | |
2953 | out_reset: | |
2954 | /* reset i2c controller */ | |
2955 | ctrl.bits.wdata = 0x0; | |
2956 | ctrl.bits.addr = SSD_I2C_RESET_REG; | |
2957 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
2958 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
2959 | } | |
2960 | ||
2961 | out: | |
2962 | return ret; | |
2963 | } | |
2964 | ||
2965 | static int ssd_i2c_write(struct ssd_device *dev, uint8_t saddr, uint8_t size, uint8_t *buf) | |
2966 | { | |
2967 | ssd_i2c_ctrl_t ctrl; | |
2968 | ssd_i2c_data_t data; | |
2969 | uint8_t off = 0; | |
2970 | uint8_t status = 0; | |
2971 | unsigned long st; | |
2972 | int ret = 0; | |
2973 | ||
2974 | mutex_lock(&dev->i2c_mutex); | |
2975 | ||
2976 | ctrl.val = 0; | |
2977 | ||
2978 | /* slave addr */ | |
2979 | ctrl.bits.wdata = saddr; | |
2980 | ctrl.bits.addr = SSD_I2C_SADDR_REG; | |
2981 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
2982 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
2983 | ||
2984 | /* data */ | |
2985 | while (off < size) { | |
2986 | ctrl.bits.wdata = buf[off]; | |
2987 | ctrl.bits.addr = SSD_I2C_DATA_REG; | |
2988 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
2989 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
2990 | ||
2991 | off++; | |
2992 | } | |
2993 | ||
2994 | /* write */ | |
2995 | ctrl.bits.wdata = 0x01; | |
2996 | ctrl.bits.addr = SSD_I2C_CMD_REG; | |
2997 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
2998 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
2999 | ||
3000 | /* wait */ | |
3001 | st = jiffies; | |
3002 | for (;;) { | |
3003 | ctrl.bits.wdata = 0; | |
3004 | ctrl.bits.addr = SSD_I2C_STATUS_REG; | |
3005 | ctrl.bits.rw = SSD_I2C_CTRL_READ; | |
3006 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3007 | ||
3008 | for (;;) { | |
3009 | data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG); | |
3010 | if (data.bits.valid == 0) { | |
3011 | break; | |
3012 | } | |
3013 | ||
3014 | /* retry */ | |
3015 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3016 | ret = -ETIMEDOUT; | |
3017 | goto out_clear; | |
3018 | } | |
3019 | cond_resched(); | |
3020 | } | |
3021 | ||
3022 | status = data.bits.rdata; | |
3023 | if (status & 0x1) { | |
3024 | break; | |
3025 | } | |
3026 | ||
3027 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3028 | ret = -ETIMEDOUT; | |
3029 | goto out_clear; | |
3030 | } | |
3031 | cond_resched(); | |
3032 | } | |
3033 | ||
3034 | if (!(status & 0x1)) { | |
3035 | ret = -1; | |
3036 | goto out_clear; | |
3037 | } | |
3038 | ||
3039 | /* busy ? */ | |
3040 | if (status & 0x20) { | |
3041 | ret = -2; | |
3042 | goto out_clear; | |
3043 | } | |
3044 | ||
3045 | /* ack ? */ | |
3046 | if (status & 0x10) { | |
3047 | ret = -3; | |
3048 | goto out_clear; | |
3049 | } | |
3050 | ||
3051 | /* clear */ | |
3052 | out_clear: | |
3053 | if (__ssd_i2c_clear(dev, saddr)) { | |
3054 | if (!ret) ret = -4; | |
3055 | } | |
3056 | ||
3057 | mutex_unlock(&dev->i2c_mutex); | |
3058 | ||
3059 | return ret; | |
3060 | } | |
3061 | ||
3062 | static int ssd_i2c_read(struct ssd_device *dev, uint8_t saddr, uint8_t size, uint8_t *buf) | |
3063 | { | |
3064 | ssd_i2c_ctrl_t ctrl; | |
3065 | ssd_i2c_data_t data; | |
3066 | uint8_t off = 0; | |
3067 | uint8_t status = 0; | |
3068 | unsigned long st; | |
3069 | int ret = 0; | |
3070 | ||
3071 | mutex_lock(&dev->i2c_mutex); | |
3072 | ||
3073 | ctrl.val = 0; | |
3074 | ||
3075 | /* slave addr */ | |
3076 | ctrl.bits.wdata = saddr; | |
3077 | ctrl.bits.addr = SSD_I2C_SADDR_REG; | |
3078 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
3079 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3080 | ||
3081 | /* read len */ | |
3082 | ctrl.bits.wdata = size; | |
3083 | ctrl.bits.addr = SSD_I2C_LEN_REG; | |
3084 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
3085 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3086 | ||
3087 | /* read */ | |
3088 | ctrl.bits.wdata = 0x02; | |
3089 | ctrl.bits.addr = SSD_I2C_CMD_REG; | |
3090 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
3091 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3092 | ||
3093 | /* wait */ | |
3094 | st = jiffies; | |
3095 | for (;;) { | |
3096 | ctrl.bits.wdata = 0; | |
3097 | ctrl.bits.addr = SSD_I2C_STATUS_REG; | |
3098 | ctrl.bits.rw = SSD_I2C_CTRL_READ; | |
3099 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3100 | ||
3101 | for (;;) { | |
3102 | data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG); | |
3103 | if (data.bits.valid == 0) { | |
3104 | break; | |
3105 | } | |
3106 | ||
3107 | /* retry */ | |
3108 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3109 | ret = -ETIMEDOUT; | |
3110 | goto out_clear; | |
3111 | } | |
3112 | cond_resched(); | |
3113 | } | |
3114 | ||
3115 | status = data.bits.rdata; | |
3116 | if (status & 0x2) { | |
3117 | break; | |
3118 | } | |
3119 | ||
3120 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3121 | ret = -ETIMEDOUT; | |
3122 | goto out_clear; | |
3123 | } | |
3124 | cond_resched(); | |
3125 | } | |
3126 | ||
3127 | if (!(status & 0x2)) { | |
3128 | ret = -1; | |
3129 | goto out_clear; | |
3130 | } | |
3131 | ||
3132 | /* busy ? */ | |
3133 | if (status & 0x20) { | |
3134 | ret = -2; | |
3135 | goto out_clear; | |
3136 | } | |
3137 | ||
3138 | /* ack ? */ | |
3139 | if (status & 0x10) { | |
3140 | ret = -3; | |
3141 | goto out_clear; | |
3142 | } | |
3143 | ||
3144 | /* data */ | |
3145 | while (off < size) { | |
3146 | ctrl.bits.wdata = 0; | |
3147 | ctrl.bits.addr = SSD_I2C_DATA_REG; | |
3148 | ctrl.bits.rw = SSD_I2C_CTRL_READ; | |
3149 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3150 | ||
3151 | st = jiffies; | |
3152 | for (;;) { | |
3153 | data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG); | |
3154 | if (data.bits.valid == 0) { | |
3155 | break; | |
3156 | } | |
3157 | ||
3158 | /* retry */ | |
3159 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3160 | ret = -ETIMEDOUT; | |
3161 | goto out_clear; | |
3162 | } | |
3163 | cond_resched(); | |
3164 | } | |
3165 | ||
3166 | buf[off] = data.bits.rdata; | |
3167 | ||
3168 | off++; | |
3169 | } | |
3170 | ||
3171 | /* clear */ | |
3172 | out_clear: | |
3173 | if (__ssd_i2c_clear(dev, saddr)) { | |
3174 | if (!ret) ret = -4; | |
3175 | } | |
3176 | ||
3177 | mutex_unlock(&dev->i2c_mutex); | |
3178 | ||
3179 | return ret; | |
3180 | } | |
3181 | ||
3182 | static int ssd_i2c_write_read(struct ssd_device *dev, uint8_t saddr, uint8_t wsize, uint8_t *wbuf, uint8_t rsize, uint8_t *rbuf) | |
3183 | { | |
3184 | ssd_i2c_ctrl_t ctrl; | |
3185 | ssd_i2c_data_t data; | |
3186 | uint8_t off = 0; | |
3187 | uint8_t status = 0; | |
3188 | unsigned long st; | |
3189 | int ret = 0; | |
3190 | ||
3191 | mutex_lock(&dev->i2c_mutex); | |
3192 | ||
3193 | ctrl.val = 0; | |
3194 | ||
3195 | /* slave addr */ | |
3196 | ctrl.bits.wdata = saddr; | |
3197 | ctrl.bits.addr = SSD_I2C_SADDR_REG; | |
3198 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
3199 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3200 | ||
3201 | /* data */ | |
3202 | off = 0; | |
3203 | while (off < wsize) { | |
3204 | ctrl.bits.wdata = wbuf[off]; | |
3205 | ctrl.bits.addr = SSD_I2C_DATA_REG; | |
3206 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
3207 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3208 | ||
3209 | off++; | |
3210 | } | |
3211 | ||
3212 | /* read len */ | |
3213 | ctrl.bits.wdata = rsize; | |
3214 | ctrl.bits.addr = SSD_I2C_LEN_REG; | |
3215 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
3216 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3217 | ||
3218 | /* write -> read */ | |
3219 | ctrl.bits.wdata = 0x03; | |
3220 | ctrl.bits.addr = SSD_I2C_CMD_REG; | |
3221 | ctrl.bits.rw = SSD_I2C_CTRL_WRITE; | |
3222 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3223 | ||
3224 | /* wait */ | |
3225 | st = jiffies; | |
3226 | for (;;) { | |
3227 | ctrl.bits.wdata = 0; | |
3228 | ctrl.bits.addr = SSD_I2C_STATUS_REG; | |
3229 | ctrl.bits.rw = SSD_I2C_CTRL_READ; | |
3230 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3231 | ||
3232 | for (;;) { | |
3233 | data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG); | |
3234 | if (data.bits.valid == 0) { | |
3235 | break; | |
3236 | } | |
3237 | ||
3238 | /* retry */ | |
3239 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3240 | ret = -ETIMEDOUT; | |
3241 | goto out_clear; | |
3242 | } | |
3243 | cond_resched(); | |
3244 | } | |
3245 | ||
3246 | status = data.bits.rdata; | |
3247 | if (status & 0x2) { | |
3248 | break; | |
3249 | } | |
3250 | ||
3251 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3252 | ret = -ETIMEDOUT; | |
3253 | goto out_clear; | |
3254 | } | |
3255 | cond_resched(); | |
3256 | } | |
3257 | ||
3258 | if (!(status & 0x2)) { | |
3259 | ret = -1; | |
3260 | goto out_clear; | |
3261 | } | |
3262 | ||
3263 | /* busy ? */ | |
3264 | if (status & 0x20) { | |
3265 | ret = -2; | |
3266 | goto out_clear; | |
3267 | } | |
3268 | ||
3269 | /* ack ? */ | |
3270 | if (status & 0x10) { | |
3271 | ret = -3; | |
3272 | goto out_clear; | |
3273 | } | |
3274 | ||
3275 | /* data */ | |
3276 | off = 0; | |
3277 | while (off < rsize) { | |
3278 | ctrl.bits.wdata = 0; | |
3279 | ctrl.bits.addr = SSD_I2C_DATA_REG; | |
3280 | ctrl.bits.rw = SSD_I2C_CTRL_READ; | |
3281 | __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val); | |
3282 | ||
3283 | st = jiffies; | |
3284 | for (;;) { | |
3285 | data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG); | |
3286 | if (data.bits.valid == 0) { | |
3287 | break; | |
3288 | } | |
3289 | ||
3290 | /* retry */ | |
3291 | if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) { | |
3292 | ret = -ETIMEDOUT; | |
3293 | goto out_clear; | |
3294 | } | |
3295 | cond_resched(); | |
3296 | } | |
3297 | ||
3298 | rbuf[off] = data.bits.rdata; | |
3299 | ||
3300 | off++; | |
3301 | } | |
3302 | ||
3303 | /* clear */ | |
3304 | out_clear: | |
3305 | if (__ssd_i2c_clear(dev, saddr)) { | |
3306 | if (!ret) ret = -4; | |
3307 | } | |
3308 | mutex_unlock(&dev->i2c_mutex); | |
3309 | ||
3310 | return ret; | |
3311 | } | |
3312 | ||
3313 | static int ssd_smbus_send_byte(struct ssd_device *dev, uint8_t saddr, uint8_t *buf) | |
3314 | { | |
3315 | int i = 0; | |
3316 | int ret = 0; | |
3317 | ||
3318 | for (;;) { | |
3319 | ret = ssd_i2c_write(dev, saddr, 1, buf); | |
3320 | if (!ret || -ETIMEDOUT == ret) { | |
3321 | break; | |
3322 | } | |
3323 | ||
3324 | i++; | |
3325 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3326 | break; | |
3327 | } | |
3328 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3329 | } | |
3330 | ||
3331 | return ret; | |
3332 | } | |
3333 | ||
3334 | static int ssd_smbus_receive_byte(struct ssd_device *dev, uint8_t saddr, uint8_t *buf) | |
3335 | { | |
3336 | int i = 0; | |
3337 | int ret = 0; | |
3338 | ||
3339 | for (;;) { | |
3340 | ret = ssd_i2c_read(dev, saddr, 1, buf); | |
3341 | if (!ret || -ETIMEDOUT == ret) { | |
3342 | break; | |
3343 | } | |
3344 | ||
3345 | i++; | |
3346 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3347 | break; | |
3348 | } | |
3349 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3350 | } | |
3351 | ||
3352 | return ret; | |
3353 | } | |
3354 | ||
3355 | static int ssd_smbus_write_byte(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf) | |
3356 | { | |
3357 | uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0}; | |
3358 | int i = 0; | |
3359 | int ret = 0; | |
3360 | ||
3361 | smb_data[0] = cmd; | |
3362 | memcpy((smb_data + 1), buf, 1); | |
3363 | ||
3364 | for (;;) { | |
3365 | ret = ssd_i2c_write(dev, saddr, 2, smb_data); | |
3366 | if (!ret || -ETIMEDOUT == ret) { | |
3367 | break; | |
3368 | } | |
3369 | ||
3370 | i++; | |
3371 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3372 | break; | |
3373 | } | |
3374 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3375 | } | |
3376 | ||
3377 | return ret; | |
3378 | } | |
3379 | ||
3380 | static int ssd_smbus_read_byte(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf) | |
3381 | { | |
3382 | uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0}; | |
3383 | int i = 0; | |
3384 | int ret = 0; | |
3385 | ||
3386 | smb_data[0] = cmd; | |
3387 | ||
3388 | for (;;) { | |
3389 | ret = ssd_i2c_write_read(dev, saddr, 1, smb_data, 1, buf); | |
3390 | if (!ret || -ETIMEDOUT == ret) { | |
3391 | break; | |
3392 | } | |
3393 | ||
3394 | i++; | |
3395 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3396 | break; | |
3397 | } | |
3398 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3399 | } | |
3400 | ||
3401 | return ret; | |
3402 | } | |
3403 | ||
3404 | static int ssd_smbus_write_word(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf) | |
3405 | { | |
3406 | uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0}; | |
3407 | int i = 0; | |
3408 | int ret = 0; | |
3409 | ||
3410 | smb_data[0] = cmd; | |
3411 | memcpy((smb_data + 1), buf, 2); | |
3412 | ||
3413 | for (;;) { | |
3414 | ret = ssd_i2c_write(dev, saddr, 3, smb_data); | |
3415 | if (!ret || -ETIMEDOUT == ret) { | |
3416 | break; | |
3417 | } | |
3418 | ||
3419 | i++; | |
3420 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3421 | break; | |
3422 | } | |
3423 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3424 | } | |
3425 | ||
3426 | return ret; | |
3427 | } | |
3428 | ||
3429 | static int ssd_smbus_read_word(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf) | |
3430 | { | |
3431 | uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0}; | |
3432 | int i = 0; | |
3433 | int ret = 0; | |
3434 | ||
3435 | smb_data[0] = cmd; | |
3436 | ||
3437 | for (;;) { | |
3438 | ret = ssd_i2c_write_read(dev, saddr, 1, smb_data, 2, buf); | |
3439 | if (!ret || -ETIMEDOUT == ret) { | |
3440 | break; | |
3441 | } | |
3442 | ||
3443 | i++; | |
3444 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3445 | break; | |
3446 | } | |
3447 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3448 | } | |
3449 | ||
3450 | return ret; | |
3451 | } | |
3452 | ||
3453 | static int ssd_smbus_write_block(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t size, uint8_t *buf) | |
3454 | { | |
3455 | uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0}; | |
3456 | int i = 0; | |
3457 | int ret = 0; | |
3458 | ||
3459 | smb_data[0] = cmd; | |
3460 | smb_data[1] = size; | |
3461 | memcpy((smb_data + 2), buf, size); | |
3462 | ||
3463 | for (;;) { | |
3464 | ret = ssd_i2c_write(dev, saddr, (2 + size), smb_data); | |
3465 | if (!ret || -ETIMEDOUT == ret) { | |
3466 | break; | |
3467 | } | |
3468 | ||
3469 | i++; | |
3470 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3471 | break; | |
3472 | } | |
3473 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3474 | } | |
3475 | ||
3476 | return ret; | |
3477 | } | |
3478 | ||
3479 | static int ssd_smbus_read_block(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t size, uint8_t *buf) | |
3480 | { | |
3481 | uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0}; | |
3482 | uint8_t rsize; | |
3483 | int i = 0; | |
3484 | int ret = 0; | |
3485 | ||
3486 | smb_data[0] = cmd; | |
3487 | ||
3488 | for (;;) { | |
3489 | ret = ssd_i2c_write_read(dev, saddr, 1, smb_data, (SSD_SMBUS_BLOCK_MAX + 1), (smb_data + 1)); | |
3490 | if (!ret || -ETIMEDOUT == ret) { | |
3491 | break; | |
3492 | } | |
3493 | ||
3494 | i++; | |
3495 | if (i >= SSD_SMBUS_RETRY_MAX) { | |
3496 | break; | |
3497 | } | |
3498 | msleep(SSD_SMBUS_RETRY_INTERVAL); | |
3499 | } | |
3500 | if (ret) { | |
3501 | return ret; | |
3502 | } | |
3503 | ||
3504 | rsize = smb_data[1]; | |
3505 | ||
3506 | if (rsize > size ) { | |
3507 | rsize = size; | |
3508 | } | |
3509 | ||
3510 | memcpy(buf, (smb_data + 2), rsize); | |
3511 | ||
3512 | return 0; | |
3513 | } | |
3514 | ||
3515 | ||
3516 | static int ssd_gen_swlog(struct ssd_device *dev, uint16_t event, uint32_t data); | |
3517 | ||
3518 | /* sensor */ | |
3519 | static int ssd_init_lm75(struct ssd_device *dev, uint8_t saddr) | |
3520 | { | |
3521 | uint8_t conf = 0; | |
3522 | int ret = 0; | |
3523 | ||
3524 | ret = ssd_smbus_read_byte(dev, saddr, SSD_LM75_REG_CONF, &conf); | |
3525 | if (ret) { | |
3526 | goto out; | |
3527 | } | |
3528 | ||
3529 | conf &= (uint8_t)(~1u); | |
3530 | ||
3531 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM75_REG_CONF, &conf); | |
3532 | if (ret) { | |
3533 | goto out; | |
3534 | } | |
3535 | ||
3536 | out: | |
3537 | return ret; | |
3538 | } | |
3539 | ||
3540 | static int ssd_lm75_read(struct ssd_device *dev, uint8_t saddr, uint16_t *data) | |
3541 | { | |
3542 | uint16_t val = 0; | |
3543 | int ret; | |
3544 | ||
3545 | ret = ssd_smbus_read_word(dev, saddr, SSD_LM75_REG_TEMP, (uint8_t *)&val); | |
3546 | if (ret) { | |
3547 | return ret; | |
3548 | } | |
3549 | ||
3550 | *data = u16_swap(val); | |
3551 | ||
3552 | return 0; | |
3553 | } | |
3554 | ||
3555 | static int ssd_init_lm80(struct ssd_device *dev, uint8_t saddr) | |
3556 | { | |
3557 | uint8_t val; | |
3558 | uint8_t low, high; | |
3559 | int i; | |
3560 | int ret = 0; | |
3561 | ||
3562 | /* init */ | |
3563 | val = 0x80; | |
3564 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_CONFIG, &val); | |
3565 | if (ret) { | |
3566 | goto out; | |
3567 | } | |
3568 | ||
3569 | /* 11-bit temp */ | |
3570 | val = 0x08; | |
3571 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_RES, &val); | |
3572 | if (ret) { | |
3573 | goto out; | |
3574 | } | |
3575 | ||
3576 | /* set volt limit */ | |
3577 | for (i=0; i<SSD_LM80_IN_NR; i++) { | |
3578 | high = ssd_lm80_limit[i].high; | |
3579 | low = ssd_lm80_limit[i].low; | |
3580 | ||
3581 | if (SSD_LM80_IN_CAP == i) { | |
3582 | low = 0; | |
3583 | } | |
3584 | ||
3585 | if (dev->hw_info.nr_ctrl <= 1 && SSD_LM80_IN_1V2 == i) { | |
3586 | high = 0xFF; | |
3587 | low = 0; | |
3588 | } | |
3589 | ||
3590 | /* high limit */ | |
3591 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_IN_MAX(i), &high); | |
3592 | if (ret) { | |
3593 | goto out; | |
3594 | } | |
3595 | ||
3596 | /* low limit*/ | |
3597 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_IN_MIN(i), &low); | |
3598 | if (ret) { | |
3599 | goto out; | |
3600 | } | |
3601 | } | |
3602 | ||
3603 | /* set interrupt mask: allow volt in interrupt except cap in*/ | |
3604 | val = 0x81; | |
3605 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK1, &val); | |
3606 | if (ret) { | |
3607 | goto out; | |
3608 | } | |
3609 | ||
3610 | /* set interrupt mask: disable others */ | |
3611 | val = 0xFF; | |
3612 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK2, &val); | |
3613 | if (ret) { | |
3614 | goto out; | |
3615 | } | |
3616 | ||
3617 | /* start */ | |
3618 | val = 0x03; | |
3619 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_CONFIG, &val); | |
3620 | if (ret) { | |
3621 | goto out; | |
3622 | } | |
3623 | ||
3624 | out: | |
3625 | return ret; | |
3626 | } | |
3627 | ||
3628 | static int ssd_lm80_enable_in(struct ssd_device *dev, uint8_t saddr, int idx) | |
3629 | { | |
3630 | uint8_t val = 0; | |
3631 | int ret = 0; | |
3632 | ||
3633 | if (idx >= SSD_LM80_IN_NR || idx < 0) { | |
3634 | return -EINVAL; | |
3635 | } | |
3636 | ||
3637 | ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_MASK1, &val); | |
3638 | if (ret) { | |
3639 | goto out; | |
3640 | } | |
3641 | ||
3642 | val &= ~(1UL << (uint32_t)idx); | |
3643 | ||
3644 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK1, &val); | |
3645 | if (ret) { | |
3646 | goto out; | |
3647 | } | |
3648 | ||
3649 | out: | |
3650 | return ret; | |
3651 | } | |
3652 | ||
3653 | static int ssd_lm80_disable_in(struct ssd_device *dev, uint8_t saddr, int idx) | |
3654 | { | |
3655 | uint8_t val = 0; | |
3656 | int ret = 0; | |
3657 | ||
3658 | if (idx >= SSD_LM80_IN_NR || idx < 0) { | |
3659 | return -EINVAL; | |
3660 | } | |
3661 | ||
3662 | ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_MASK1, &val); | |
3663 | if (ret) { | |
3664 | goto out; | |
3665 | } | |
3666 | ||
3667 | val |= (1UL << (uint32_t)idx); | |
3668 | ||
3669 | ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK1, &val); | |
3670 | if (ret) { | |
3671 | goto out; | |
3672 | } | |
3673 | ||
3674 | out: | |
3675 | return ret; | |
3676 | } | |
3677 | ||
3678 | static int ssd_lm80_read_temp(struct ssd_device *dev, uint8_t saddr, uint16_t *data) | |
3679 | { | |
3680 | uint16_t val = 0; | |
3681 | int ret; | |
3682 | ||
3683 | ret = ssd_smbus_read_word(dev, saddr, SSD_LM80_REG_TEMP, (uint8_t *)&val); | |
3684 | if (ret) { | |
3685 | return ret; | |
3686 | } | |
3687 | ||
3688 | *data = u16_swap(val); | |
3689 | ||
3690 | return 0; | |
3691 | } | |
3692 | ||
3693 | static int ssd_lm80_check_event(struct ssd_device *dev, uint8_t saddr) | |
3694 | { | |
3695 | uint32_t volt; | |
3696 | uint16_t val = 0, status; | |
3697 | uint8_t alarm1 = 0, alarm2 = 0; | |
3698 | int i; | |
3699 | int ret = 0; | |
3700 | ||
3701 | /* read interrupt status to clear interrupt */ | |
3702 | ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_ALARM1, &alarm1); | |
3703 | if (ret) { | |
3704 | goto out; | |
3705 | } | |
3706 | ||
3707 | ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_ALARM2, &alarm2); | |
3708 | if (ret) { | |
3709 | goto out; | |
3710 | } | |
3711 | ||
3712 | status = (uint16_t)alarm1 | ((uint16_t)alarm2 << 8); | |
3713 | ||
3714 | /* parse inetrrupt status */ | |
3715 | for (i=0; i<SSD_LM80_IN_NR; i++) { | |
3716 | if (!((status >> (uint32_t)i) & 0x1)) { | |
3717 | if (test_and_clear_bit(SSD_HWMON_LM80(i), &dev->hwmon)) { | |
3718 | /* enable INx irq */ | |
3719 | ret = ssd_lm80_enable_in(dev, saddr, i); | |
3720 | if (ret) { | |
3721 | goto out; | |
3722 | } | |
3723 | } | |
3724 | ||
3725 | continue; | |
3726 | } | |
3727 | ||
3728 | /* disable INx irq */ | |
3729 | ret = ssd_lm80_disable_in(dev, saddr, i); | |
3730 | if (ret) { | |
3731 | goto out; | |
3732 | } | |
3733 | ||
3734 | if (test_and_set_bit(SSD_HWMON_LM80(i), &dev->hwmon)) { | |
3735 | continue; | |
3736 | } | |
3737 | ||
3738 | ret = ssd_smbus_read_word(dev, saddr, SSD_LM80_REG_IN(i), (uint8_t *)&val); | |
3739 | if (ret) { | |
3740 | goto out; | |
3741 | } | |
3742 | ||
3743 | volt = SSD_LM80_CONVERT_VOLT(u16_swap(val)); | |
3744 | ||
3745 | switch (i) { | |
3746 | case SSD_LM80_IN_CAP: { | |
3747 | if (0 == volt) { | |
3748 | ssd_gen_swlog(dev, SSD_LOG_CAP_SHORT_CIRCUIT, 0); | |
3749 | } else { | |
3750 | ssd_gen_swlog(dev, SSD_LOG_CAP_VOLT_FAULT, SSD_PL_CAP_VOLT(volt)); | |
3751 | } | |
3752 | break; | |
3753 | } | |
3754 | ||
3755 | case SSD_LM80_IN_1V2: | |
3756 | case SSD_LM80_IN_1V2a: | |
3757 | case SSD_LM80_IN_1V5: | |
3758 | case SSD_LM80_IN_1V8: { | |
3759 | ssd_gen_swlog(dev, SSD_LOG_VOLT_STATUS, SSD_VOLT_LOG_DATA(i, 0, volt)); | |
3760 | break; | |
3761 | } | |
3762 | case SSD_LM80_IN_FPGA_3V3: | |
3763 | case SSD_LM80_IN_3V3: { | |
3764 | ssd_gen_swlog(dev, SSD_LOG_VOLT_STATUS, SSD_VOLT_LOG_DATA(i, 0, SSD_LM80_3V3_VOLT(volt))); | |
3765 | break; | |
3766 | } | |
3767 | default: | |
3768 | break; | |
3769 | } | |
3770 | } | |
3771 | ||
3772 | out: | |
3773 | if (ret) { | |
3774 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) { | |
3775 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, (uint32_t)saddr); | |
3776 | } | |
3777 | } else { | |
3778 | test_and_clear_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon); | |
3779 | } | |
3780 | return ret; | |
3781 | } | |
3782 | ||
3783 | static int ssd_init_sensor(struct ssd_device *dev) | |
3784 | { | |
3785 | int ret = 0; | |
3786 | ||
3787 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
3788 | goto out; | |
3789 | } | |
3790 | ||
3791 | ret = ssd_init_lm75(dev, SSD_SENSOR_LM75_SADDRESS); | |
3792 | if (ret) { | |
3793 | hio_warn("%s: init lm75 failed\n", dev->name); | |
3794 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM75), &dev->hwmon)) { | |
3795 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM75_SADDRESS); | |
3796 | } | |
3797 | goto out; | |
3798 | } | |
3799 | ||
3800 | if (dev->hw_info.pcb_ver >= 'B' || dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_HHHL) { | |
3801 | ret = ssd_init_lm80(dev, SSD_SENSOR_LM80_SADDRESS); | |
3802 | if (ret) { | |
3803 | hio_warn("%s: init lm80 failed\n", dev->name); | |
3804 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) { | |
3805 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS); | |
3806 | } | |
3807 | goto out; | |
3808 | } | |
3809 | } | |
3810 | ||
3811 | out: | |
3812 | /* skip error if not in standard mode */ | |
3813 | if (mode != SSD_DRV_MODE_STANDARD) { | |
3814 | ret = 0; | |
3815 | } | |
3816 | return ret; | |
3817 | } | |
3818 | ||
3819 | /* board volt */ | |
3820 | static int ssd_mon_boardvolt(struct ssd_device *dev) | |
3821 | { | |
3822 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
3823 | return 0; | |
3824 | } | |
3825 | ||
3826 | if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') { | |
3827 | return 0; | |
3828 | } | |
3829 | ||
3830 | return ssd_lm80_check_event(dev, SSD_SENSOR_LM80_SADDRESS); | |
3831 | } | |
3832 | ||
3833 | /* temperature */ | |
3834 | static int ssd_mon_temp(struct ssd_device *dev) | |
3835 | { | |
3836 | int cur; | |
3837 | uint16_t val = 0; | |
3838 | int ret = 0; | |
3839 | ||
3840 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
3841 | return 0; | |
3842 | } | |
3843 | ||
3844 | if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') { | |
3845 | return 0; | |
3846 | } | |
3847 | ||
3848 | /* inlet */ | |
3849 | ret = ssd_lm80_read_temp(dev, SSD_SENSOR_LM80_SADDRESS, &val); | |
3850 | if (ret) { | |
3851 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) { | |
3852 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS); | |
3853 | } | |
3854 | goto out; | |
3855 | } | |
3856 | test_and_clear_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon); | |
3857 | ||
3858 | cur = SSD_SENSOR_CONVERT_TEMP(val); | |
3859 | if (cur >= SSD_INLET_OT_TEMP) { | |
3860 | if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_INLET), &dev->hwmon)) { | |
3861 | ssd_gen_swlog(dev, SSD_LOG_INLET_OVER_TEMP, (uint32_t)cur); | |
3862 | } | |
3863 | } else if(cur < SSD_INLET_OT_HYST) { | |
3864 | if (test_and_clear_bit(SSD_HWMON_TEMP(SSD_TEMP_INLET), &dev->hwmon)) { | |
3865 | ssd_gen_swlog(dev, SSD_LOG_INLET_NORMAL_TEMP, (uint32_t)cur); | |
3866 | } | |
3867 | } | |
3868 | ||
3869 | /* flash */ | |
3870 | ret = ssd_lm75_read(dev, SSD_SENSOR_LM75_SADDRESS, &val); | |
3871 | if (ret) { | |
3872 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM75), &dev->hwmon)) { | |
3873 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM75_SADDRESS); | |
3874 | } | |
3875 | goto out; | |
3876 | } | |
3877 | test_and_clear_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM75), &dev->hwmon); | |
3878 | ||
3879 | cur = SSD_SENSOR_CONVERT_TEMP(val); | |
3880 | if (cur >= SSD_FLASH_OT_TEMP) { | |
3881 | if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_FLASH), &dev->hwmon)) { | |
3882 | ssd_gen_swlog(dev, SSD_LOG_FLASH_OVER_TEMP, (uint32_t)cur); | |
3883 | } | |
3884 | } else if(cur < SSD_FLASH_OT_HYST) { | |
3885 | if (test_and_clear_bit(SSD_HWMON_TEMP(SSD_TEMP_FLASH), &dev->hwmon)) { | |
3886 | ssd_gen_swlog(dev, SSD_LOG_FLASH_NORMAL_TEMP, (uint32_t)cur); | |
3887 | } | |
3888 | } | |
3889 | ||
3890 | out: | |
3891 | return ret; | |
3892 | } | |
3893 | ||
3894 | /* cmd tag */ | |
3895 | static inline void ssd_put_tag(struct ssd_device *dev, int tag) | |
3896 | { | |
3897 | test_and_clear_bit(tag, dev->tag_map); | |
3898 | wake_up(&dev->tag_wq); | |
3899 | } | |
3900 | ||
3901 | static inline int ssd_get_tag(struct ssd_device *dev, int wait) | |
3902 | { | |
3903 | int tag; | |
3904 | ||
3905 | find_tag: | |
3906 | while ((tag = find_first_zero_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz)) >= atomic_read(&dev->queue_depth)) { | |
3907 | DEFINE_WAIT(__wait); | |
3908 | ||
3909 | if (!wait) { | |
3910 | return -1; | |
3911 | } | |
3912 | ||
3913 | prepare_to_wait_exclusive(&dev->tag_wq, &__wait, TASK_UNINTERRUPTIBLE); | |
3914 | schedule(); | |
3915 | ||
3916 | finish_wait(&dev->tag_wq, &__wait); | |
3917 | } | |
3918 | ||
3919 | if (test_and_set_bit(tag, dev->tag_map)) { | |
3920 | goto find_tag; | |
3921 | } | |
3922 | ||
3923 | return tag; | |
3924 | } | |
3925 | ||
3926 | static void ssd_barrier_put_tag(struct ssd_device *dev, int tag) | |
3927 | { | |
3928 | test_and_clear_bit(tag, dev->tag_map); | |
3929 | } | |
3930 | ||
3931 | static int ssd_barrier_get_tag(struct ssd_device *dev) | |
3932 | { | |
3933 | int tag = 0; | |
3934 | ||
3935 | if (test_and_set_bit(tag, dev->tag_map)) { | |
3936 | return -1; | |
3937 | } | |
3938 | ||
3939 | return tag; | |
3940 | } | |
3941 | ||
3942 | static void ssd_barrier_end(struct ssd_device *dev) | |
3943 | { | |
3944 | atomic_set(&dev->queue_depth, dev->hw_info.cmd_fifo_sz); | |
3945 | wake_up_all(&dev->tag_wq); | |
3946 | ||
3947 | mutex_unlock(&dev->barrier_mutex); | |
3948 | } | |
3949 | ||
3950 | static int ssd_barrier_start(struct ssd_device *dev) | |
3951 | { | |
3952 | int i; | |
3953 | ||
3954 | mutex_lock(&dev->barrier_mutex); | |
3955 | ||
3956 | atomic_set(&dev->queue_depth, 0); | |
3957 | ||
3958 | for (i=0; i<SSD_CMD_TIMEOUT; i++) { | |
3959 | if (find_first_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz) >= dev->hw_info.cmd_fifo_sz) { | |
3960 | return 0; | |
3961 | } | |
3962 | ||
3963 | __set_current_state(TASK_INTERRUPTIBLE); | |
3964 | schedule_timeout(1); | |
3965 | } | |
3966 | ||
3967 | atomic_set(&dev->queue_depth, dev->hw_info.cmd_fifo_sz); | |
3968 | wake_up_all(&dev->tag_wq); | |
3969 | ||
3970 | mutex_unlock(&dev->barrier_mutex); | |
3971 | ||
3972 | return -EBUSY; | |
3973 | } | |
3974 | ||
3975 | static int ssd_busy(struct ssd_device *dev) | |
3976 | { | |
3977 | if (find_first_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz) >= dev->hw_info.cmd_fifo_sz) { | |
3978 | return 0; | |
3979 | } | |
3980 | ||
3981 | return 1; | |
3982 | } | |
3983 | ||
3984 | static int ssd_wait_io(struct ssd_device *dev) | |
3985 | { | |
3986 | int i; | |
3987 | ||
3988 | for (i=0; i<SSD_CMD_TIMEOUT; i++) { | |
3989 | if (find_first_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz) >= dev->hw_info.cmd_fifo_sz) { | |
3990 | return 0; | |
3991 | } | |
3992 | ||
3993 | __set_current_state(TASK_INTERRUPTIBLE); | |
3994 | schedule_timeout(1); | |
3995 | } | |
3996 | ||
3997 | return -EBUSY; | |
3998 | } | |
3999 | ||
4000 | #if 0 | |
4001 | static int ssd_in_barrier(struct ssd_device *dev) | |
4002 | { | |
4003 | return (0 == atomic_read(&dev->queue_depth)); | |
4004 | } | |
4005 | #endif | |
4006 | ||
4007 | static void ssd_cleanup_tag(struct ssd_device *dev) | |
4008 | { | |
4009 | kfree(dev->tag_map); | |
4010 | } | |
4011 | ||
4012 | static int ssd_init_tag(struct ssd_device *dev) | |
4013 | { | |
4014 | int nr_ulongs = ALIGN(dev->hw_info.cmd_fifo_sz, BITS_PER_LONG) / BITS_PER_LONG; | |
4015 | ||
4016 | mutex_init(&dev->barrier_mutex); | |
4017 | ||
4018 | atomic_set(&dev->queue_depth, dev->hw_info.cmd_fifo_sz); | |
4019 | ||
4020 | dev->tag_map = kmalloc(nr_ulongs * sizeof(unsigned long), GFP_ATOMIC); | |
4021 | if (!dev->tag_map) { | |
4022 | return -ENOMEM; | |
4023 | } | |
4024 | ||
4025 | memset(dev->tag_map, 0, nr_ulongs * sizeof(unsigned long)); | |
4026 | ||
4027 | init_waitqueue_head(&dev->tag_wq); | |
4028 | ||
4029 | return 0; | |
4030 | } | |
4031 | ||
4032 | /* io stat */ | |
4033 | static void ssd_end_io_acct(struct ssd_cmd *cmd) | |
4034 | { | |
4035 | struct ssd_device *dev = cmd->dev; | |
4036 | struct bio *bio = cmd->bio; | |
4037 | unsigned long dur = jiffies - cmd->start_time; | |
4038 | int rw = bio_data_dir(bio); | |
4039 | ||
4040 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6 && RHEL_MINOR >= 7)) | |
4041 | int cpu = part_stat_lock(); | |
4042 | struct hd_struct *part = disk_map_sector_rcu(dev->gd, bio_start(bio)); | |
4043 | part_round_stats(cpu, part); | |
4044 | part_stat_add(cpu, part, ticks[rw], dur); | |
4045 | part_dec_in_flight(part, rw); | |
4046 | part_stat_unlock(); | |
4047 | #elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27)) | |
4048 | int cpu = part_stat_lock(); | |
4049 | struct hd_struct *part = &dev->gd->part0; | |
4050 | part_round_stats(cpu, part); | |
4051 | part_stat_add(cpu, part, ticks[rw], dur); | |
4052 | part_stat_unlock(); | |
4053 | part->in_flight[rw] = atomic_dec_return(&dev->in_flight[rw]); | |
4054 | #elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14)) | |
4055 | preempt_disable(); | |
4056 | disk_round_stats(dev->gd); | |
4057 | preempt_enable(); | |
4058 | disk_stat_add(dev->gd, ticks[rw], dur); | |
4059 | dev->gd->in_flight = atomic_dec_return(&dev->in_flight[0]); | |
4060 | #else | |
4061 | preempt_disable(); | |
4062 | disk_round_stats(dev->gd); | |
4063 | preempt_enable(); | |
4064 | if (rw == WRITE) { | |
4065 | disk_stat_add(dev->gd, write_ticks, dur); | |
4066 | } else { | |
4067 | disk_stat_add(dev->gd, read_ticks, dur); | |
4068 | } | |
4069 | dev->gd->in_flight = atomic_dec_return(&dev->in_flight[0]); | |
4070 | #endif | |
4071 | } | |
4072 | ||
4073 | static void ssd_start_io_acct(struct ssd_cmd *cmd) | |
4074 | { | |
4075 | struct ssd_device *dev = cmd->dev; | |
4076 | struct bio *bio = cmd->bio; | |
4077 | int rw = bio_data_dir(bio); | |
4078 | ||
4079 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6 && RHEL_MINOR >= 7)) | |
4080 | int cpu = part_stat_lock(); | |
4081 | struct hd_struct *part = disk_map_sector_rcu(dev->gd, bio_start(bio)); | |
4082 | part_round_stats(cpu, part); | |
4083 | part_stat_inc(cpu, part, ios[rw]); | |
4084 | part_stat_add(cpu, part, sectors[rw], bio_sectors(bio)); | |
4085 | part_inc_in_flight(part, rw); | |
4086 | part_stat_unlock(); | |
4087 | #elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27)) | |
4088 | int cpu = part_stat_lock(); | |
4089 | struct hd_struct *part = &dev->gd->part0; | |
4090 | part_round_stats(cpu, part); | |
4091 | part_stat_inc(cpu, part, ios[rw]); | |
4092 | part_stat_add(cpu, part, sectors[rw], bio_sectors(bio)); | |
4093 | part_stat_unlock(); | |
4094 | part->in_flight[rw] = atomic_inc_return(&dev->in_flight[rw]); | |
4095 | #elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14)) | |
4096 | preempt_disable(); | |
4097 | disk_round_stats(dev->gd); | |
4098 | preempt_enable(); | |
4099 | disk_stat_inc(dev->gd, ios[rw]); | |
4100 | disk_stat_add(dev->gd, sectors[rw], bio_sectors(bio)); | |
4101 | dev->gd->in_flight = atomic_inc_return(&dev->in_flight[0]); | |
4102 | #else | |
4103 | preempt_disable(); | |
4104 | disk_round_stats(dev->gd); | |
4105 | preempt_enable(); | |
4106 | if (rw == WRITE) { | |
4107 | disk_stat_inc(dev->gd, writes); | |
4108 | disk_stat_add(dev->gd, write_sectors, bio_sectors(bio)); | |
4109 | } else { | |
4110 | disk_stat_inc(dev->gd, reads); | |
4111 | disk_stat_add(dev->gd, read_sectors, bio_sectors(bio)); | |
4112 | } | |
4113 | dev->gd->in_flight = atomic_inc_return(&dev->in_flight[0]); | |
4114 | #endif | |
4115 | ||
4116 | cmd->start_time = jiffies; | |
4117 | } | |
4118 | ||
4119 | /* io */ | |
4120 | static void ssd_queue_bio(struct ssd_device *dev, struct bio *bio) | |
4121 | { | |
4122 | spin_lock(&dev->sendq_lock); | |
4123 | ssd_blist_add(&dev->sendq, bio); | |
4124 | spin_unlock(&dev->sendq_lock); | |
4125 | ||
4126 | atomic_inc(&dev->in_sendq); | |
4127 | wake_up(&dev->send_waitq); | |
4128 | } | |
4129 | ||
4130 | static inline void ssd_end_request(struct ssd_cmd *cmd) | |
4131 | { | |
4132 | struct ssd_device *dev = cmd->dev; | |
4133 | struct bio *bio = cmd->bio; | |
4134 | int errors = cmd->errors; | |
4135 | int tag = cmd->tag; | |
4136 | ||
4137 | if (bio) { | |
4138 | #if (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))) | |
4139 | if (!(bio->bi_rw & REQ_DISCARD)) { | |
4140 | ssd_end_io_acct(cmd); | |
4141 | if (!cmd->flag) { | |
4142 | pci_unmap_sg(dev->pdev, cmd->sgl, cmd->nsegs, | |
4143 | bio_data_dir(bio) == READ ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); | |
4144 | } | |
4145 | } | |
4146 | #elif (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))) | |
4147 | if (!bio_rw_flagged(bio, BIO_RW_DISCARD)) { | |
4148 | ssd_end_io_acct(cmd); | |
4149 | if (!cmd->flag) { | |
4150 | pci_unmap_sg(dev->pdev, cmd->sgl, cmd->nsegs, | |
4151 | bio_data_dir(bio) == READ ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); | |
4152 | } | |
4153 | } | |
4154 | #else | |
4155 | ssd_end_io_acct(cmd); | |
4156 | ||
4157 | if (!cmd->flag) { | |
4158 | pci_unmap_sg(dev->pdev, cmd->sgl, cmd->nsegs, | |
4159 | bio_data_dir(bio) == READ ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); | |
4160 | } | |
4161 | #endif | |
4162 | ||
4163 | cmd->bio = NULL; | |
4164 | ssd_put_tag(dev, tag); | |
4165 | ||
4166 | if (SSD_INT_MSIX == dev->int_mode || tag < 16 || errors) { | |
4167 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
4168 | bio_endio(bio, errors); | |
4169 | #else | |
4170 | bio_endio(bio, bio->bi_size, errors); | |
4171 | #endif | |
4172 | } else /* if (bio->bi_idx >= bio->bi_vcnt)*/ { | |
4173 | spin_lock(&dev->doneq_lock); | |
4174 | ssd_blist_add(&dev->doneq, bio); | |
4175 | spin_unlock(&dev->doneq_lock); | |
4176 | ||
4177 | atomic_inc(&dev->in_doneq); | |
4178 | wake_up(&dev->done_waitq); | |
4179 | } | |
4180 | } else { | |
4181 | if (cmd->waiting) { | |
4182 | complete(cmd->waiting); | |
4183 | } | |
4184 | } | |
4185 | } | |
4186 | ||
4187 | static void ssd_end_timeout_request(struct ssd_cmd *cmd) | |
4188 | { | |
4189 | struct ssd_device *dev = cmd->dev; | |
4190 | struct ssd_rw_msg *msg = (struct ssd_rw_msg *)cmd->msg; | |
4191 | int i; | |
4192 | ||
4193 | for (i=0; i<dev->nr_queue; i++) { | |
4194 | disable_irq(dev->entry[i].vector); | |
4195 | } | |
4196 | ||
4197 | atomic_inc(&dev->tocnt); | |
4198 | //if (cmd->bio) { | |
4199 | hio_err("%s: cmd timeout: tag %d fun %#x\n", dev->name, msg->tag, msg->fun); | |
4200 | cmd->errors = -ETIMEDOUT; | |
4201 | ssd_end_request(cmd); | |
4202 | //} | |
4203 | ||
4204 | for (i=0; i<dev->nr_queue; i++) { | |
4205 | enable_irq(dev->entry[i].vector); | |
4206 | } | |
4207 | ||
4208 | /* alarm led */ | |
4209 | ssd_set_alarm(dev); | |
4210 | } | |
4211 | ||
4212 | /* cmd timer */ | |
4213 | static void ssd_cmd_add_timer(struct ssd_cmd *cmd, int timeout, void (*complt)(struct ssd_cmd *)) | |
4214 | { | |
4215 | init_timer(&cmd->cmd_timer); | |
4216 | ||
4217 | cmd->cmd_timer.data = (unsigned long)cmd; | |
4218 | cmd->cmd_timer.expires = jiffies + timeout; | |
4219 | cmd->cmd_timer.function = (void (*)(unsigned long)) complt; | |
4220 | ||
4221 | add_timer(&cmd->cmd_timer); | |
4222 | } | |
4223 | ||
4224 | static int ssd_cmd_del_timer(struct ssd_cmd *cmd) | |
4225 | { | |
4226 | return del_timer(&cmd->cmd_timer); | |
4227 | } | |
4228 | ||
4229 | static void ssd_add_timer(struct timer_list *timer, int timeout, void (*complt)(void *), void *data) | |
4230 | { | |
4231 | init_timer(timer); | |
4232 | ||
4233 | timer->data = (unsigned long)data; | |
4234 | timer->expires = jiffies + timeout; | |
4235 | timer->function = (void (*)(unsigned long)) complt; | |
4236 | ||
4237 | add_timer(timer); | |
4238 | } | |
4239 | ||
4240 | static int ssd_del_timer(struct timer_list *timer) | |
4241 | { | |
4242 | return del_timer(timer); | |
4243 | } | |
4244 | ||
4245 | static void ssd_cmd_timeout(struct ssd_cmd *cmd) | |
4246 | { | |
4247 | struct ssd_device *dev = cmd->dev; | |
4248 | uint32_t msg = *(uint32_t *)cmd->msg; | |
4249 | ||
4250 | ssd_end_timeout_request(cmd); | |
4251 | ||
4252 | ssd_gen_swlog(dev, SSD_LOG_TIMEOUT, msg); | |
4253 | } | |
4254 | ||
4255 | ||
4256 | static void __ssd_done(unsigned long data) | |
4257 | { | |
4258 | struct ssd_cmd *cmd; | |
4259 | LIST_HEAD(localq); | |
4260 | ||
4261 | local_irq_disable(); | |
4262 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)) | |
4263 | list_splice_init(&__get_cpu_var(ssd_doneq), &localq); | |
4264 | #else | |
4265 | list_splice_init(this_cpu_ptr(&ssd_doneq), &localq); | |
4266 | #endif | |
4267 | local_irq_enable(); | |
4268 | ||
4269 | while (!list_empty(&localq)) { | |
4270 | cmd = list_entry(localq.next, struct ssd_cmd, list); | |
4271 | list_del_init(&cmd->list); | |
4272 | ||
4273 | ssd_end_request(cmd); | |
4274 | } | |
4275 | } | |
4276 | ||
4277 | static void __ssd_done_db(unsigned long data) | |
4278 | { | |
4279 | struct ssd_cmd *cmd; | |
4280 | struct ssd_device *dev; | |
4281 | struct bio *bio; | |
4282 | LIST_HEAD(localq); | |
4283 | ||
4284 | local_irq_disable(); | |
4285 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)) | |
4286 | list_splice_init(&__get_cpu_var(ssd_doneq), &localq); | |
4287 | #else | |
4288 | list_splice_init(this_cpu_ptr(&ssd_doneq), &localq); | |
4289 | #endif | |
4290 | local_irq_enable(); | |
4291 | ||
4292 | while (!list_empty(&localq)) { | |
4293 | cmd = list_entry(localq.next, struct ssd_cmd, list); | |
4294 | list_del_init(&cmd->list); | |
4295 | ||
4296 | dev = (struct ssd_device *)cmd->dev; | |
4297 | bio = cmd->bio; | |
4298 | ||
4299 | if (bio) { | |
4300 | sector_t off = dev->db_info.data.loc.off; | |
4301 | uint32_t len = dev->db_info.data.loc.len; | |
4302 | ||
4303 | switch (dev->db_info.type) { | |
4304 | case SSD_DEBUG_READ_ERR: | |
4305 | if (bio_data_dir(bio) == READ && | |
4306 | !((off + len) <= bio_start(bio) || off >= (bio_start(bio) + bio_sectors(bio)))) { | |
4307 | cmd->errors = -EIO; | |
4308 | } | |
4309 | break; | |
4310 | case SSD_DEBUG_WRITE_ERR: | |
4311 | if (bio_data_dir(bio) == WRITE && | |
4312 | !((off + len) <= bio_start(bio) || off >= (bio_start(bio) + bio_sectors(bio)))) { | |
4313 | cmd->errors = -EROFS; | |
4314 | } | |
4315 | break; | |
4316 | case SSD_DEBUG_RW_ERR: | |
4317 | if (!((off + len) <= bio_start(bio) || off >= (bio_start(bio) + bio_sectors(bio)))) { | |
4318 | if (bio_data_dir(bio) == READ) { | |
4319 | cmd->errors = -EIO; | |
4320 | } else { | |
4321 | cmd->errors = -EROFS; | |
4322 | } | |
4323 | } | |
4324 | break; | |
4325 | default: | |
4326 | break; | |
4327 | } | |
4328 | } | |
4329 | ||
4330 | ssd_end_request(cmd); | |
4331 | } | |
4332 | } | |
4333 | ||
4334 | static inline void ssd_done_bh(struct ssd_cmd *cmd) | |
4335 | { | |
4336 | unsigned long flags = 0; | |
4337 | ||
4338 | if (unlikely(!ssd_cmd_del_timer(cmd))) { | |
4339 | struct ssd_device *dev = cmd->dev; | |
4340 | struct ssd_rw_msg *msg = (struct ssd_rw_msg *)cmd->msg; | |
4341 | hio_err("%s: unknown cmd: tag %d fun %#x\n", dev->name, msg->tag, msg->fun); | |
4342 | ||
4343 | /* alarm led */ | |
4344 | ssd_set_alarm(dev); | |
4345 | return; | |
4346 | } | |
4347 | ||
4348 | local_irq_save(flags); | |
4349 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)) | |
4350 | list_add_tail(&cmd->list, &__get_cpu_var(ssd_doneq)); | |
4351 | tasklet_hi_schedule(&__get_cpu_var(ssd_tasklet)); | |
4352 | #else | |
4353 | list_add_tail(&cmd->list, this_cpu_ptr(&ssd_doneq)); | |
4354 | tasklet_hi_schedule(this_cpu_ptr(&ssd_tasklet)); | |
4355 | #endif | |
4356 | local_irq_restore(flags); | |
4357 | ||
4358 | return; | |
4359 | } | |
4360 | ||
4361 | static inline void ssd_done(struct ssd_cmd *cmd) | |
4362 | { | |
4363 | if (unlikely(!ssd_cmd_del_timer(cmd))) { | |
4364 | struct ssd_device *dev = cmd->dev; | |
4365 | struct ssd_rw_msg *msg = (struct ssd_rw_msg *)cmd->msg; | |
4366 | hio_err("%s: unknown cmd: tag %d fun %#x\n", dev->name, msg->tag, msg->fun); | |
4367 | ||
4368 | /* alarm led */ | |
4369 | ssd_set_alarm(dev); | |
4370 | return; | |
4371 | } | |
4372 | ||
4373 | ssd_end_request(cmd); | |
4374 | ||
4375 | return; | |
4376 | } | |
4377 | ||
4378 | static inline void ssd_dispatch_cmd(struct ssd_cmd *cmd) | |
4379 | { | |
4380 | struct ssd_device *dev = (struct ssd_device *)cmd->dev; | |
4381 | ||
4382 | ssd_cmd_add_timer(cmd, SSD_CMD_TIMEOUT, ssd_cmd_timeout); | |
4383 | ||
4384 | spin_lock(&dev->cmd_lock); | |
4385 | ssd_reg_write(dev->ctrlp + SSD_REQ_FIFO_REG, cmd->msg_dma); | |
4386 | spin_unlock(&dev->cmd_lock); | |
4387 | } | |
4388 | ||
4389 | static inline void ssd_send_cmd(struct ssd_cmd *cmd) | |
4390 | { | |
4391 | struct ssd_device *dev = (struct ssd_device *)cmd->dev; | |
4392 | ||
4393 | ssd_cmd_add_timer(cmd, SSD_CMD_TIMEOUT, ssd_cmd_timeout); | |
4394 | ||
4395 | ssd_reg32_write(dev->ctrlp + SSD_REQ_FIFO_REG, ((uint32_t)cmd->tag | ((uint32_t)cmd->nsegs << 16))); | |
4396 | } | |
4397 | ||
4398 | static inline void ssd_send_cmd_db(struct ssd_cmd *cmd) | |
4399 | { | |
4400 | struct ssd_device *dev = (struct ssd_device *)cmd->dev; | |
4401 | struct bio *bio = cmd->bio; | |
4402 | ||
4403 | ssd_cmd_add_timer(cmd, SSD_CMD_TIMEOUT, ssd_cmd_timeout); | |
4404 | ||
4405 | if (bio) { | |
4406 | switch (dev->db_info.type) { | |
4407 | case SSD_DEBUG_READ_TO: | |
4408 | if (bio_data_dir(bio) == READ) { | |
4409 | return; | |
4410 | } | |
4411 | break; | |
4412 | case SSD_DEBUG_WRITE_TO: | |
4413 | if (bio_data_dir(bio) == WRITE) { | |
4414 | return; | |
4415 | } | |
4416 | break; | |
4417 | case SSD_DEBUG_RW_TO: | |
4418 | return; | |
4419 | break; | |
4420 | default: | |
4421 | break; | |
4422 | } | |
4423 | } | |
4424 | ||
4425 | ssd_reg32_write(dev->ctrlp + SSD_REQ_FIFO_REG, ((uint32_t)cmd->tag | ((uint32_t)cmd->nsegs << 16))); | |
4426 | } | |
4427 | ||
4428 | ||
4429 | /* fixed for BIOVEC_PHYS_MERGEABLE */ | |
4430 | #ifdef SSD_BIOVEC_PHYS_MERGEABLE_FIXED | |
4431 | #include <linux/bio.h> | |
4432 | #include <linux/io.h> | |
4433 | #include <xen/page.h> | |
4434 | ||
4435 | static bool xen_biovec_phys_mergeable_fixed(const struct bio_vec *vec1, | |
4436 | const struct bio_vec *vec2) | |
4437 | { | |
4438 | unsigned long mfn1 = pfn_to_mfn(page_to_pfn(vec1->bv_page)); | |
4439 | unsigned long mfn2 = pfn_to_mfn(page_to_pfn(vec2->bv_page)); | |
4440 | ||
4441 | return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) && | |
4442 | ((mfn1 == mfn2) || ((mfn1+1) == mfn2)); | |
4443 | } | |
4444 | ||
4445 | #ifdef BIOVEC_PHYS_MERGEABLE | |
4446 | #undef BIOVEC_PHYS_MERGEABLE | |
4447 | #endif | |
4448 | #define BIOVEC_PHYS_MERGEABLE(vec1, vec2) \ | |
4449 | (__BIOVEC_PHYS_MERGEABLE(vec1, vec2) && \ | |
4450 | (!xen_domain() || xen_biovec_phys_mergeable_fixed(vec1, vec2))) | |
4451 | ||
4452 | #endif | |
4453 | ||
4454 | static inline int ssd_bio_map_sg(struct ssd_device *dev, struct bio *bio, struct scatterlist *sgl) | |
4455 | { | |
4456 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)) | |
4457 | struct bio_vec *bvec, *bvprv = NULL; | |
4458 | struct scatterlist *sg = NULL; | |
4459 | int i = 0, nsegs = 0; | |
4460 | ||
4461 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23)) | |
4462 | sg_init_table(sgl, dev->hw_info.cmd_max_sg); | |
4463 | #endif | |
4464 | ||
4465 | /* | |
4466 | * for each segment in bio | |
4467 | */ | |
4468 | bio_for_each_segment(bvec, bio, i) { | |
4469 | if (bvprv && BIOVEC_PHYS_MERGEABLE(bvprv, bvec)) { | |
4470 | sg->length += bvec->bv_len; | |
4471 | } else { | |
4472 | if (unlikely(nsegs >= (int)dev->hw_info.cmd_max_sg)) { | |
4473 | break; | |
4474 | } | |
4475 | ||
4476 | sg = sg ? (sg + 1) : sgl; | |
4477 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
4478 | sg_set_page(sg, bvec->bv_page, bvec->bv_len, bvec->bv_offset); | |
4479 | #else | |
4480 | sg->page = bvec->bv_page; | |
4481 | sg->length = bvec->bv_len; | |
4482 | sg->offset = bvec->bv_offset; | |
4483 | #endif | |
4484 | nsegs++; | |
4485 | } | |
4486 | bvprv = bvec; | |
4487 | } | |
4488 | ||
4489 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
4490 | if (sg) { | |
4491 | sg_mark_end(sg); | |
4492 | } | |
4493 | #endif | |
4494 | ||
4495 | bio->bi_idx = i; | |
4496 | ||
4497 | return nsegs; | |
4498 | #else | |
4499 | struct bio_vec bvec, bvprv; | |
4500 | struct bvec_iter iter; | |
4501 | struct scatterlist *sg = NULL; | |
4502 | int nsegs = 0; | |
4503 | int first = 1; | |
4504 | ||
4505 | sg_init_table(sgl, dev->hw_info.cmd_max_sg); | |
4506 | ||
4507 | /* | |
4508 | * for each segment in bio | |
4509 | */ | |
4510 | bio_for_each_segment(bvec, bio, iter) { | |
4511 | if (!first && BIOVEC_PHYS_MERGEABLE(&bvprv, &bvec)) { | |
4512 | sg->length += bvec.bv_len; | |
4513 | } else { | |
4514 | if (unlikely(nsegs >= (int)dev->hw_info.cmd_max_sg)) { | |
4515 | break; | |
4516 | } | |
4517 | ||
4518 | sg = sg ? (sg + 1) : sgl; | |
4519 | ||
4520 | sg_set_page(sg, bvec.bv_page, bvec.bv_len, bvec.bv_offset); | |
4521 | ||
4522 | nsegs++; | |
4523 | first = 0; | |
4524 | } | |
4525 | bvprv = bvec; | |
4526 | } | |
4527 | ||
4528 | if (sg) { | |
4529 | sg_mark_end(sg); | |
4530 | } | |
4531 | ||
4532 | return nsegs; | |
4533 | #endif | |
4534 | } | |
4535 | ||
4536 | ||
4537 | static int __ssd_submit_pbio(struct ssd_device *dev, struct bio *bio, int wait) | |
4538 | { | |
4539 | struct ssd_cmd *cmd; | |
4540 | struct ssd_rw_msg *msg; | |
4541 | struct ssd_sg_entry *sge; | |
4542 | sector_t block = bio_start(bio); | |
4543 | int tag; | |
4544 | int i; | |
4545 | ||
4546 | tag = ssd_get_tag(dev, wait); | |
4547 | if (tag < 0) { | |
4548 | return -EBUSY; | |
4549 | } | |
4550 | ||
4551 | cmd = &dev->cmd[tag]; | |
4552 | cmd->bio = bio; | |
4553 | cmd->flag = 1; | |
4554 | ||
4555 | msg = (struct ssd_rw_msg *)cmd->msg; | |
4556 | ||
4557 | #if (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))) | |
4558 | if (bio->bi_rw & REQ_DISCARD) { | |
4559 | unsigned int length = bio_sectors(bio); | |
4560 | ||
4561 | //printk(KERN_WARNING "%s: discard len %u, block %llu\n", dev->name, bio_sectors(bio), block); | |
4562 | msg->tag = tag; | |
4563 | msg->fun = SSD_FUNC_TRIM; | |
4564 | ||
4565 | sge = msg->sge; | |
4566 | for (i=0; i<(dev->hw_info.cmd_max_sg); i++) { | |
4567 | sge->block = block; | |
4568 | sge->length = (length >= dev->hw_info.sg_max_sec) ? dev->hw_info.sg_max_sec : length; | |
4569 | sge->buf = 0; | |
4570 | ||
4571 | block += sge->length; | |
4572 | length -= sge->length; | |
4573 | sge++; | |
4574 | ||
4575 | if (length <= 0) { | |
4576 | break; | |
4577 | } | |
4578 | } | |
4579 | msg->nsegs = cmd->nsegs = (i + 1); | |
4580 | ||
4581 | dev->scmd(cmd); | |
4582 | return 0; | |
4583 | } | |
4584 | #elif (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))) | |
4585 | if (bio_rw_flagged(bio, BIO_RW_DISCARD)) { | |
4586 | unsigned int length = bio_sectors(bio); | |
4587 | ||
4588 | //printk(KERN_WARNING "%s: discard len %u, block %llu\n", dev->name, bio_sectors(bio), block); | |
4589 | msg->tag = tag; | |
4590 | msg->fun = SSD_FUNC_TRIM; | |
4591 | ||
4592 | sge = msg->sge; | |
4593 | for (i=0; i<(dev->hw_info.cmd_max_sg); i++) { | |
4594 | sge->block = block; | |
4595 | sge->length = (length >= dev->hw_info.sg_max_sec) ? dev->hw_info.sg_max_sec : length; | |
4596 | sge->buf = 0; | |
4597 | ||
4598 | block += sge->length; | |
4599 | length -= sge->length; | |
4600 | sge++; | |
4601 | ||
4602 | if (length <= 0) { | |
4603 | break; | |
4604 | } | |
4605 | } | |
4606 | msg->nsegs = cmd->nsegs = (i + 1); | |
4607 | ||
4608 | dev->scmd(cmd); | |
4609 | return 0; | |
4610 | } | |
4611 | #endif | |
4612 | ||
4613 | //msg->nsegs = cmd->nsegs = ssd_bio_map_sg(dev, bio, sgl); | |
4614 | msg->nsegs = cmd->nsegs = bio->bi_vcnt; | |
4615 | ||
4616 | //xx | |
4617 | if (bio_data_dir(bio) == READ) { | |
4618 | msg->fun = SSD_FUNC_READ; | |
4619 | msg->flag = 0; | |
4620 | } else { | |
4621 | msg->fun = SSD_FUNC_WRITE; | |
4622 | msg->flag = dev->wmode; | |
4623 | } | |
4624 | ||
4625 | sge = msg->sge; | |
4626 | for (i=0; i<bio->bi_vcnt; i++) { | |
4627 | sge->block = block; | |
4628 | sge->length = bio->bi_io_vec[i].bv_len >> 9; | |
4629 | sge->buf = (uint64_t)((void *)bio->bi_io_vec[i].bv_page + bio->bi_io_vec[i].bv_offset); | |
4630 | ||
4631 | block += sge->length; | |
4632 | sge++; | |
4633 | } | |
4634 | ||
4635 | msg->tag = tag; | |
4636 | ||
4637 | #ifdef SSD_OT_PROTECT | |
4638 | if (unlikely(dev->ot_delay > 0 && dev->ot_protect != 0)) { | |
4639 | msleep_interruptible(dev->ot_delay); | |
4640 | } | |
4641 | #endif | |
4642 | ||
4643 | ssd_start_io_acct(cmd); | |
4644 | dev->scmd(cmd); | |
4645 | ||
4646 | return 0; | |
4647 | } | |
4648 | ||
4649 | static inline int ssd_submit_bio(struct ssd_device *dev, struct bio *bio, int wait) | |
4650 | { | |
4651 | struct ssd_cmd *cmd; | |
4652 | struct ssd_rw_msg *msg; | |
4653 | struct ssd_sg_entry *sge; | |
4654 | struct scatterlist *sgl; | |
4655 | sector_t block = bio_start(bio); | |
4656 | int tag; | |
4657 | int i; | |
4658 | ||
4659 | tag = ssd_get_tag(dev, wait); | |
4660 | if (tag < 0) { | |
4661 | return -EBUSY; | |
4662 | } | |
4663 | ||
4664 | cmd = &dev->cmd[tag]; | |
4665 | cmd->bio = bio; | |
4666 | cmd->flag = 0; | |
4667 | ||
4668 | msg = (struct ssd_rw_msg *)cmd->msg; | |
4669 | ||
4670 | sgl = cmd->sgl; | |
4671 | ||
4672 | #if (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))) | |
4673 | if (bio->bi_rw & REQ_DISCARD) { | |
4674 | unsigned int length = bio_sectors(bio); | |
4675 | ||
4676 | //printk(KERN_WARNING "%s: discard len %u, block %llu\n", dev->name, bio_sectors(bio), block); | |
4677 | msg->tag = tag; | |
4678 | msg->fun = SSD_FUNC_TRIM; | |
4679 | ||
4680 | sge = msg->sge; | |
4681 | for (i=0; i<(dev->hw_info.cmd_max_sg); i++) { | |
4682 | sge->block = block; | |
4683 | sge->length = (length >= dev->hw_info.sg_max_sec) ? dev->hw_info.sg_max_sec : length; | |
4684 | sge->buf = 0; | |
4685 | ||
4686 | block += sge->length; | |
4687 | length -= sge->length; | |
4688 | sge++; | |
4689 | ||
4690 | if (length <= 0) { | |
4691 | break; | |
4692 | } | |
4693 | } | |
4694 | msg->nsegs = cmd->nsegs = (i + 1); | |
4695 | ||
4696 | dev->scmd(cmd); | |
4697 | return 0; | |
4698 | } | |
4699 | #elif (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))) | |
4700 | if (bio_rw_flagged(bio, BIO_RW_DISCARD)) { | |
4701 | unsigned int length = bio_sectors(bio); | |
4702 | ||
4703 | //printk(KERN_WARNING "%s: discard len %u, block %llu\n", dev->name, bio_sectors(bio), block); | |
4704 | msg->tag = tag; | |
4705 | msg->fun = SSD_FUNC_TRIM; | |
4706 | ||
4707 | sge = msg->sge; | |
4708 | for (i=0; i<(dev->hw_info.cmd_max_sg); i++) { | |
4709 | sge->block = block; | |
4710 | sge->length = (length >= dev->hw_info.sg_max_sec) ? dev->hw_info.sg_max_sec : length; | |
4711 | sge->buf = 0; | |
4712 | ||
4713 | block += sge->length; | |
4714 | length -= sge->length; | |
4715 | sge++; | |
4716 | ||
4717 | if (length <= 0) { | |
4718 | break; | |
4719 | } | |
4720 | } | |
4721 | msg->nsegs = cmd->nsegs = (i + 1); | |
4722 | ||
4723 | dev->scmd(cmd); | |
4724 | return 0; | |
4725 | } | |
4726 | #endif | |
4727 | ||
4728 | msg->nsegs = cmd->nsegs = ssd_bio_map_sg(dev, bio, sgl); | |
4729 | ||
4730 | //xx | |
4731 | if (bio_data_dir(bio) == READ) { | |
4732 | msg->fun = SSD_FUNC_READ; | |
4733 | msg->flag = 0; | |
4734 | pci_map_sg(dev->pdev, sgl, cmd->nsegs, PCI_DMA_FROMDEVICE); | |
4735 | } else { | |
4736 | msg->fun = SSD_FUNC_WRITE; | |
4737 | msg->flag = dev->wmode; | |
4738 | pci_map_sg(dev->pdev, sgl, cmd->nsegs, PCI_DMA_TODEVICE); | |
4739 | } | |
4740 | ||
4741 | sge = msg->sge; | |
4742 | for (i=0; i<cmd->nsegs; i++) { | |
4743 | sge->block = block; | |
4744 | sge->length = sg_dma_len(sgl) >> 9; | |
4745 | sge->buf = sg_dma_address(sgl); | |
4746 | ||
4747 | block += sge->length; | |
4748 | sgl++; | |
4749 | sge++; | |
4750 | } | |
4751 | ||
4752 | msg->tag = tag; | |
4753 | ||
4754 | #ifdef SSD_OT_PROTECT | |
4755 | if (unlikely(dev->ot_delay > 0 && dev->ot_protect != 0)) { | |
4756 | msleep_interruptible(dev->ot_delay); | |
4757 | } | |
4758 | #endif | |
4759 | ||
4760 | ssd_start_io_acct(cmd); | |
4761 | dev->scmd(cmd); | |
4762 | ||
4763 | return 0; | |
4764 | } | |
4765 | ||
4766 | /* threads */ | |
4767 | static int ssd_done_thread(void *data) | |
4768 | { | |
4769 | struct ssd_device *dev; | |
4770 | struct bio *bio; | |
4771 | struct bio *next; | |
4772 | #ifdef SSD_ESCAPE_IRQ | |
4773 | cpumask_t new_mask; | |
4774 | #endif | |
4775 | ||
4776 | if (!data) { | |
4777 | return -EINVAL; | |
4778 | } | |
4779 | dev = data; | |
4780 | ||
4781 | //set_user_nice(current, -5); | |
4782 | ||
4783 | while (!kthread_should_stop()) { | |
4784 | wait_event_interruptible(dev->done_waitq, (atomic_read(&dev->in_doneq) || kthread_should_stop())); | |
4785 | ||
4786 | while (atomic_read(&dev->in_doneq)) { | |
4787 | if (threaded_irq) { | |
4788 | spin_lock(&dev->doneq_lock); | |
4789 | bio = ssd_blist_get(&dev->doneq); | |
4790 | spin_unlock(&dev->doneq_lock); | |
4791 | } else { | |
4792 | spin_lock_irq(&dev->doneq_lock); | |
4793 | bio = ssd_blist_get(&dev->doneq); | |
4794 | spin_unlock_irq(&dev->doneq_lock); | |
4795 | } | |
4796 | ||
4797 | while (bio) { | |
4798 | next = bio->bi_next; | |
4799 | bio->bi_next = NULL; | |
4800 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
4801 | bio_endio(bio, 0); | |
4802 | #else | |
4803 | bio_endio(bio, bio->bi_size, 0); | |
4804 | #endif | |
4805 | atomic_dec(&dev->in_doneq); | |
4806 | bio = next; | |
4807 | } | |
4808 | ||
4809 | cond_resched(); | |
4810 | ||
4811 | #ifdef SSD_ESCAPE_IRQ | |
4812 | if (unlikely(smp_processor_id() == dev->irq_cpu)) { | |
4813 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)) | |
4814 | cpumask_setall(&new_mask); | |
4815 | cpumask_clear_cpu(dev->irq_cpu, &new_mask); | |
4816 | set_cpus_allowed_ptr(current, &new_mask); | |
4817 | #else | |
4818 | cpus_setall(new_mask); | |
4819 | cpu_clear(dev->irq_cpu, new_mask); | |
4820 | set_cpus_allowed(current, new_mask); | |
4821 | #endif | |
4822 | } | |
4823 | #endif | |
4824 | } | |
4825 | } | |
4826 | return 0; | |
4827 | } | |
4828 | ||
4829 | static int ssd_send_thread(void *data) | |
4830 | { | |
4831 | struct ssd_device *dev; | |
4832 | struct bio *bio; | |
4833 | struct bio *next; | |
4834 | #ifdef SSD_ESCAPE_IRQ | |
4835 | cpumask_t new_mask; | |
4836 | #endif | |
4837 | ||
4838 | if (!data) { | |
4839 | return -EINVAL; | |
4840 | } | |
4841 | dev = data; | |
4842 | ||
4843 | //set_user_nice(current, -5); | |
4844 | ||
4845 | while (!kthread_should_stop()) { | |
4846 | wait_event_interruptible(dev->send_waitq, (atomic_read(&dev->in_sendq) || kthread_should_stop())); | |
4847 | ||
4848 | while (atomic_read(&dev->in_sendq)) { | |
4849 | spin_lock(&dev->sendq_lock); | |
4850 | bio = ssd_blist_get(&dev->sendq); | |
4851 | spin_unlock(&dev->sendq_lock); | |
4852 | ||
4853 | while (bio) { | |
4854 | next = bio->bi_next; | |
4855 | bio->bi_next = NULL; | |
4856 | #ifdef SSD_QUEUE_PBIO | |
4857 | if (test_and_clear_bit(BIO_SSD_PBIO, &bio->bi_flags)) { | |
4858 | __ssd_submit_pbio(dev, bio, 1); | |
4859 | } else { | |
4860 | ssd_submit_bio(dev, bio, 1); | |
4861 | } | |
4862 | #else | |
4863 | ssd_submit_bio(dev, bio, 1); | |
4864 | #endif | |
4865 | atomic_dec(&dev->in_sendq); | |
4866 | bio = next; | |
4867 | } | |
4868 | ||
4869 | cond_resched(); | |
4870 | ||
4871 | #ifdef SSD_ESCAPE_IRQ | |
4872 | if (unlikely(smp_processor_id() == dev->irq_cpu)) { | |
4873 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)) | |
4874 | cpumask_setall(&new_mask); | |
4875 | cpumask_clear_cpu(dev->irq_cpu, &new_mask); | |
4876 | set_cpus_allowed_ptr(current, &new_mask); | |
4877 | #else | |
4878 | cpus_setall(new_mask); | |
4879 | cpu_clear(dev->irq_cpu, new_mask); | |
4880 | set_cpus_allowed(current, new_mask); | |
4881 | #endif | |
4882 | } | |
4883 | #endif | |
4884 | } | |
4885 | } | |
4886 | ||
4887 | return 0; | |
4888 | } | |
4889 | ||
4890 | static void ssd_cleanup_thread(struct ssd_device *dev) | |
4891 | { | |
4892 | kthread_stop(dev->send_thread); | |
4893 | kthread_stop(dev->done_thread); | |
4894 | } | |
4895 | ||
4896 | static int ssd_init_thread(struct ssd_device *dev) | |
4897 | { | |
4898 | int ret; | |
4899 | ||
4900 | atomic_set(&dev->in_doneq, 0); | |
4901 | atomic_set(&dev->in_sendq, 0); | |
4902 | ||
4903 | spin_lock_init(&dev->doneq_lock); | |
4904 | spin_lock_init(&dev->sendq_lock); | |
4905 | ||
4906 | ssd_blist_init(&dev->doneq); | |
4907 | ssd_blist_init(&dev->sendq); | |
4908 | ||
4909 | init_waitqueue_head(&dev->done_waitq); | |
4910 | init_waitqueue_head(&dev->send_waitq); | |
4911 | ||
4912 | dev->done_thread = kthread_run(ssd_done_thread, dev, "%s/d", dev->name); | |
4913 | if (IS_ERR(dev->done_thread)) { | |
4914 | ret = PTR_ERR(dev->done_thread); | |
4915 | goto out_done_thread; | |
4916 | } | |
4917 | ||
4918 | dev->send_thread = kthread_run(ssd_send_thread, dev, "%s/s", dev->name); | |
4919 | if (IS_ERR(dev->send_thread)) { | |
4920 | ret = PTR_ERR(dev->send_thread); | |
4921 | goto out_send_thread; | |
4922 | } | |
4923 | ||
4924 | return 0; | |
4925 | ||
4926 | out_send_thread: | |
4927 | kthread_stop(dev->done_thread); | |
4928 | out_done_thread: | |
4929 | return ret; | |
4930 | } | |
4931 | ||
4932 | /* dcmd pool */ | |
4933 | static void ssd_put_dcmd(struct ssd_dcmd *dcmd) | |
4934 | { | |
4935 | struct ssd_device *dev = (struct ssd_device *)dcmd->dev; | |
4936 | ||
4937 | spin_lock(&dev->dcmd_lock); | |
4938 | list_add_tail(&dcmd->list, &dev->dcmd_list); | |
4939 | spin_unlock(&dev->dcmd_lock); | |
4940 | } | |
4941 | ||
4942 | static struct ssd_dcmd *ssd_get_dcmd(struct ssd_device *dev) | |
4943 | { | |
4944 | struct ssd_dcmd *dcmd = NULL; | |
4945 | ||
4946 | spin_lock(&dev->dcmd_lock); | |
4947 | if (!list_empty(&dev->dcmd_list)) { | |
4948 | dcmd = list_entry(dev->dcmd_list.next, | |
4949 | struct ssd_dcmd, list); | |
4950 | list_del_init(&dcmd->list); | |
4951 | } | |
4952 | spin_unlock(&dev->dcmd_lock); | |
4953 | ||
4954 | return dcmd; | |
4955 | } | |
4956 | ||
4957 | static void ssd_cleanup_dcmd(struct ssd_device *dev) | |
4958 | { | |
4959 | kfree(dev->dcmd); | |
4960 | } | |
4961 | ||
4962 | static int ssd_init_dcmd(struct ssd_device *dev) | |
4963 | { | |
4964 | struct ssd_dcmd *dcmd; | |
4965 | int dcmd_sz = sizeof(struct ssd_dcmd)*dev->hw_info.cmd_fifo_sz; | |
4966 | int i; | |
4967 | ||
4968 | spin_lock_init(&dev->dcmd_lock); | |
4969 | INIT_LIST_HEAD(&dev->dcmd_list); | |
4970 | init_waitqueue_head(&dev->dcmd_wq); | |
4971 | ||
4972 | dev->dcmd = kmalloc(dcmd_sz, GFP_KERNEL); | |
4973 | if (!dev->dcmd) { | |
4974 | hio_warn("%s: can not alloc dcmd\n", dev->name); | |
4975 | goto out_alloc_dcmd; | |
4976 | } | |
4977 | memset(dev->dcmd, 0, dcmd_sz); | |
4978 | ||
4979 | for (i=0, dcmd=dev->dcmd; i<(int)dev->hw_info.cmd_fifo_sz; i++, dcmd++) { | |
4980 | dcmd->dev = dev; | |
4981 | INIT_LIST_HEAD(&dcmd->list); | |
4982 | list_add_tail(&dcmd->list, &dev->dcmd_list); | |
4983 | } | |
4984 | ||
4985 | return 0; | |
4986 | ||
4987 | out_alloc_dcmd: | |
4988 | return -ENOMEM; | |
4989 | } | |
4990 | ||
4991 | static void ssd_put_dmsg(void *msg) | |
4992 | { | |
4993 | struct ssd_dcmd *dcmd = container_of(msg, struct ssd_dcmd, msg); | |
4994 | struct ssd_device *dev = (struct ssd_device *)dcmd->dev; | |
4995 | ||
4996 | memset(dcmd->msg, 0, SSD_DCMD_MAX_SZ); | |
4997 | ssd_put_dcmd(dcmd); | |
4998 | wake_up(&dev->dcmd_wq); | |
4999 | } | |
5000 | ||
5001 | static void *ssd_get_dmsg(struct ssd_device *dev) | |
5002 | { | |
5003 | struct ssd_dcmd *dcmd = ssd_get_dcmd(dev); | |
5004 | ||
5005 | while (!dcmd) { | |
5006 | DEFINE_WAIT(wait); | |
5007 | prepare_to_wait_exclusive(&dev->dcmd_wq, &wait, TASK_UNINTERRUPTIBLE); | |
5008 | schedule(); | |
5009 | ||
5010 | dcmd = ssd_get_dcmd(dev); | |
5011 | ||
5012 | finish_wait(&dev->dcmd_wq, &wait); | |
5013 | } | |
5014 | return dcmd->msg; | |
5015 | } | |
5016 | ||
5017 | /* do direct cmd */ | |
5018 | static int ssd_do_request(struct ssd_device *dev, int rw, void *msg, int *done) | |
5019 | { | |
5020 | DECLARE_COMPLETION(wait); | |
5021 | struct ssd_cmd *cmd; | |
5022 | int tag; | |
5023 | int ret = 0; | |
5024 | ||
5025 | tag = ssd_get_tag(dev, 1); | |
5026 | if (tag < 0) { | |
5027 | return -EBUSY; | |
5028 | } | |
5029 | ||
5030 | cmd = &dev->cmd[tag]; | |
5031 | cmd->nsegs = 1; | |
5032 | memcpy(cmd->msg, msg, SSD_DCMD_MAX_SZ); | |
5033 | ((struct ssd_rw_msg *)cmd->msg)->tag = tag; | |
5034 | ||
5035 | cmd->waiting = &wait; | |
5036 | ||
5037 | dev->scmd(cmd); | |
5038 | ||
5039 | wait_for_completion(cmd->waiting); | |
5040 | cmd->waiting = NULL; | |
5041 | ||
5042 | if (cmd->errors == -ETIMEDOUT) { | |
5043 | ret = cmd->errors; | |
5044 | } else if (cmd->errors) { | |
5045 | ret = -EIO; | |
5046 | } | |
5047 | ||
5048 | if (done != NULL) { | |
5049 | *done = cmd->nr_log; | |
5050 | } | |
5051 | ssd_put_tag(dev, cmd->tag); | |
5052 | ||
5053 | return ret; | |
5054 | } | |
5055 | ||
5056 | static int ssd_do_barrier_request(struct ssd_device *dev, int rw, void *msg, int *done) | |
5057 | { | |
5058 | DECLARE_COMPLETION(wait); | |
5059 | struct ssd_cmd *cmd; | |
5060 | int tag; | |
5061 | int ret = 0; | |
5062 | ||
5063 | tag = ssd_barrier_get_tag(dev); | |
5064 | if (tag < 0) { | |
5065 | return -EBUSY; | |
5066 | } | |
5067 | ||
5068 | cmd = &dev->cmd[tag]; | |
5069 | cmd->nsegs = 1; | |
5070 | memcpy(cmd->msg, msg, SSD_DCMD_MAX_SZ); | |
5071 | ((struct ssd_rw_msg *)cmd->msg)->tag = tag; | |
5072 | ||
5073 | cmd->waiting = &wait; | |
5074 | ||
5075 | dev->scmd(cmd); | |
5076 | ||
5077 | wait_for_completion(cmd->waiting); | |
5078 | cmd->waiting = NULL; | |
5079 | ||
5080 | if (cmd->errors == -ETIMEDOUT) { | |
5081 | ret = cmd->errors; | |
5082 | } else if (cmd->errors) { | |
5083 | ret = -EIO; | |
5084 | } | |
5085 | ||
5086 | if (done != NULL) { | |
5087 | *done = cmd->nr_log; | |
5088 | } | |
5089 | ssd_barrier_put_tag(dev, cmd->tag); | |
5090 | ||
5091 | return ret; | |
5092 | } | |
5093 | ||
5094 | #ifdef SSD_OT_PROTECT | |
5095 | static void ssd_check_temperature(struct ssd_device *dev, int temp) | |
5096 | { | |
5097 | uint64_t val; | |
5098 | uint32_t off; | |
5099 | int cur; | |
5100 | int i; | |
5101 | ||
5102 | if (mode != SSD_DRV_MODE_STANDARD) { | |
5103 | return; | |
5104 | } | |
5105 | ||
5106 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
5107 | } | |
5108 | ||
5109 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
5110 | off = SSD_CTRL_TEMP_REG0 + i * sizeof(uint64_t); | |
5111 | ||
5112 | val = ssd_reg_read(dev->ctrlp + off); | |
5113 | if (val == 0xffffffffffffffffull) { | |
5114 | continue; | |
5115 | } | |
5116 | ||
5117 | cur = (int)CUR_TEMP(val); | |
5118 | if (cur >= temp) { | |
5119 | if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_CTRL), &dev->hwmon)) { | |
5120 | if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2_2) { | |
5121 | hio_warn("%s: Over temperature, please check the fans.\n", dev->name); | |
5122 | dev->ot_delay = SSD_OT_DELAY; | |
5123 | } | |
5124 | } | |
5125 | return; | |
5126 | } | |
5127 | } | |
5128 | ||
5129 | if (test_and_clear_bit(SSD_HWMON_TEMP(SSD_TEMP_CTRL), &dev->hwmon)) { | |
5130 | if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2_2) { | |
5131 | hio_warn("%s: Temperature is OK.\n", dev->name); | |
5132 | dev->ot_delay = 0; | |
5133 | } | |
5134 | } | |
5135 | } | |
5136 | #endif | |
5137 | ||
5138 | static int ssd_get_ot_status(struct ssd_device *dev, int *status) | |
5139 | { | |
5140 | uint32_t off; | |
5141 | uint32_t val; | |
5142 | int i; | |
5143 | ||
5144 | if (!dev || !status) { | |
5145 | return -EINVAL; | |
5146 | } | |
5147 | ||
5148 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2_2) { | |
5149 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
5150 | off = SSD_READ_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ); | |
5151 | val = ssd_reg32_read(dev->ctrlp + off); | |
5152 | if ((val >> 22) & 0x1) { | |
5153 | *status = 1; | |
5154 | goto out; | |
5155 | } | |
5156 | ||
5157 | ||
5158 | off = SSD_WRITE_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ); | |
5159 | val = ssd_reg32_read(dev->ctrlp + off); | |
5160 | if ((val >> 22) & 0x1) { | |
5161 | *status = 1; | |
5162 | goto out; | |
5163 | } | |
5164 | } | |
5165 | } else { | |
5166 | *status = !!dev->ot_delay; | |
5167 | } | |
5168 | ||
5169 | out: | |
5170 | return 0; | |
5171 | } | |
5172 | ||
5173 | static void ssd_set_ot_protect(struct ssd_device *dev, int protect) | |
5174 | { | |
5175 | uint32_t off; | |
5176 | uint32_t val; | |
5177 | int i; | |
5178 | ||
5179 | mutex_lock(&dev->fw_mutex); | |
5180 | ||
5181 | dev->ot_protect = !!protect; | |
5182 | ||
5183 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2_2) { | |
5184 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
5185 | off = SSD_READ_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ); | |
5186 | val = ssd_reg32_read(dev->ctrlp + off); | |
5187 | if (dev->ot_protect) { | |
5188 | val |= (1U << 21); | |
5189 | } else { | |
5190 | val &= ~(1U << 21); | |
5191 | } | |
5192 | ssd_reg32_write(dev->ctrlp + off, val); | |
5193 | ||
5194 | ||
5195 | off = SSD_WRITE_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ); | |
5196 | val = ssd_reg32_read(dev->ctrlp + off); | |
5197 | if (dev->ot_protect) { | |
5198 | val |= (1U << 21); | |
5199 | } else { | |
5200 | val &= ~(1U << 21); | |
5201 | } | |
5202 | ssd_reg32_write(dev->ctrlp + off, val); | |
5203 | } | |
5204 | } | |
5205 | ||
5206 | mutex_unlock(&dev->fw_mutex); | |
5207 | } | |
5208 | ||
5209 | static int ssd_init_ot_protect(struct ssd_device *dev) | |
5210 | { | |
5211 | ssd_set_ot_protect(dev, ot_protect); | |
5212 | ||
5213 | #ifdef SSD_OT_PROTECT | |
5214 | ssd_check_temperature(dev, SSD_OT_TEMP); | |
5215 | #endif | |
5216 | ||
5217 | return 0; | |
5218 | } | |
5219 | ||
5220 | /* log */ | |
5221 | static int ssd_read_log(struct ssd_device *dev, int ctrl_idx, void *buf, int *nr_log) | |
5222 | { | |
5223 | struct ssd_log_op_msg *msg; | |
5224 | struct ssd_log_msg *lmsg; | |
5225 | dma_addr_t buf_dma; | |
5226 | size_t length = dev->hw_info.log_sz; | |
5227 | int ret = 0; | |
5228 | ||
5229 | if (ctrl_idx >= dev->hw_info.nr_ctrl) { | |
5230 | return -EINVAL; | |
5231 | } | |
5232 | ||
5233 | buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE); | |
5234 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
5235 | ret = dma_mapping_error(buf_dma); | |
5236 | #else | |
5237 | ret = dma_mapping_error(&(dev->pdev->dev), buf_dma); | |
5238 | #endif | |
5239 | if (ret) { | |
5240 | hio_warn("%s: unable to map read DMA buffer\n", dev->name); | |
5241 | goto out_dma_mapping; | |
5242 | } | |
5243 | ||
5244 | msg = (struct ssd_log_op_msg *)ssd_get_dmsg(dev); | |
5245 | ||
5246 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
5247 | lmsg = (struct ssd_log_msg *)msg; | |
5248 | lmsg->fun = SSD_FUNC_READ_LOG; | |
5249 | lmsg->ctrl_idx = ctrl_idx; | |
5250 | lmsg->buf = buf_dma; | |
5251 | } else { | |
5252 | msg->fun = SSD_FUNC_READ_LOG; | |
5253 | msg->ctrl_idx = ctrl_idx; | |
5254 | msg->buf = buf_dma; | |
5255 | } | |
5256 | ||
5257 | ret = ssd_do_request(dev, READ, msg, nr_log); | |
5258 | ssd_put_dmsg(msg); | |
5259 | ||
5260 | pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE); | |
5261 | ||
5262 | out_dma_mapping: | |
5263 | return ret; | |
5264 | } | |
5265 | ||
5266 | #define SSD_LOG_PRINT_BUF_SZ 256 | |
5267 | static int ssd_parse_log(struct ssd_device *dev, struct ssd_log *log, int print) | |
5268 | { | |
5269 | struct ssd_log_desc *log_desc = ssd_log_desc; | |
5270 | struct ssd_log_entry *le; | |
5271 | char *sn = NULL; | |
5272 | char print_buf[SSD_LOG_PRINT_BUF_SZ]; | |
5273 | int print_len; | |
5274 | ||
5275 | le = &log->le; | |
5276 | ||
5277 | /* find desc */ | |
5278 | while (log_desc->event != SSD_UNKNOWN_EVENT) { | |
5279 | if (log_desc->event == le->event) { | |
5280 | break; | |
5281 | } | |
5282 | log_desc++; | |
5283 | } | |
5284 | ||
5285 | if (!print) { | |
5286 | goto out; | |
5287 | } | |
5288 | ||
5289 | if (log_desc->level < log_level) { | |
5290 | goto out; | |
5291 | } | |
5292 | ||
5293 | /* parse */ | |
5294 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
5295 | sn = dev->label.sn; | |
5296 | } else { | |
5297 | sn = dev->labelv3.barcode; | |
5298 | } | |
5299 | ||
5300 | print_len = snprintf(print_buf, SSD_LOG_PRINT_BUF_SZ, "%s (%s): <%#x>", dev->name, sn, le->event); | |
5301 | ||
5302 | if (log->ctrl_idx != SSD_LOG_SW_IDX) { | |
5303 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " controller %d", log->ctrl_idx); | |
5304 | } | |
5305 | ||
5306 | switch (log_desc->data) { | |
5307 | case SSD_LOG_DATA_NONE: | |
5308 | break; | |
5309 | case SSD_LOG_DATA_LOC: | |
5310 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
5311 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " flash %d", le->data.loc.flash); | |
5312 | if (log_desc->sblock) { | |
5313 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " block %d", le->data.loc.block); | |
5314 | } | |
5315 | if (log_desc->spage) { | |
5316 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " page %d", le->data.loc.page); | |
5317 | } | |
5318 | } else { | |
5319 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " flash %d", le->data.loc1.flash); | |
5320 | if (log_desc->sblock) { | |
5321 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " block %d", le->data.loc1.block); | |
5322 | } | |
5323 | if (log_desc->spage) { | |
5324 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " page %d", le->data.loc1.page); | |
5325 | } | |
5326 | } | |
5327 | break; | |
5328 | case SSD_LOG_DATA_HEX: | |
5329 | print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " info %#x", le->data.val); | |
5330 | break; | |
5331 | default: | |
5332 | break; | |
5333 | } | |
5334 | /*print_len += */snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), ": %s", log_desc->desc); | |
5335 | ||
5336 | switch (log_desc->level) { | |
5337 | case SSD_LOG_LEVEL_INFO: | |
5338 | hio_info("%s\n", print_buf); | |
5339 | break; | |
5340 | case SSD_LOG_LEVEL_NOTICE: | |
5341 | hio_note("%s\n", print_buf); | |
5342 | break; | |
5343 | case SSD_LOG_LEVEL_WARNING: | |
5344 | hio_warn("%s\n", print_buf); | |
5345 | break; | |
5346 | case SSD_LOG_LEVEL_ERR: | |
5347 | hio_err("%s\n", print_buf); | |
5348 | //printk(KERN_ERR MODULE_NAME": some exception occurred, please check the data or refer to FAQ."); | |
5349 | break; | |
5350 | default: | |
5351 | hio_warn("%s\n", print_buf); | |
5352 | break; | |
5353 | } | |
5354 | ||
5355 | out: | |
5356 | return log_desc->level; | |
5357 | } | |
5358 | ||
5359 | static int ssd_bm_get_sfstatus(struct ssd_device *dev, uint16_t *status); | |
5360 | static int ssd_switch_wmode(struct ssd_device *dev, int wmode); | |
5361 | ||
5362 | ||
5363 | static int ssd_handle_event(struct ssd_device *dev, uint16_t event, int level) | |
5364 | { | |
5365 | int ret = 0; | |
5366 | ||
5367 | switch (event) { | |
5368 | case SSD_LOG_OVER_TEMP: { | |
5369 | #ifdef SSD_OT_PROTECT | |
5370 | if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_CTRL), &dev->hwmon)) { | |
5371 | if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2_2) { | |
5372 | hio_warn("%s: Over temperature, please check the fans.\n", dev->name); | |
5373 | dev->ot_delay = SSD_OT_DELAY; | |
5374 | } | |
5375 | } | |
5376 | #endif | |
5377 | break; | |
5378 | } | |
5379 | ||
5380 | case SSD_LOG_NORMAL_TEMP: { | |
5381 | #ifdef SSD_OT_PROTECT | |
5382 | /* need to check all controller's temperature */ | |
5383 | ssd_check_temperature(dev, SSD_OT_TEMP_HYST); | |
5384 | #endif | |
5385 | break; | |
5386 | } | |
5387 | ||
5388 | case SSD_LOG_BATTERY_FAULT: { | |
5389 | uint16_t sfstatus; | |
5390 | ||
5391 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
5392 | if (!ssd_bm_get_sfstatus(dev, &sfstatus)) { | |
5393 | ssd_gen_swlog(dev, SSD_LOG_BM_SFSTATUS, sfstatus); | |
5394 | } | |
5395 | } | |
5396 | ||
5397 | if (!test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
5398 | ssd_switch_wmode(dev, dev->user_wmode); | |
5399 | } | |
5400 | break; | |
5401 | } | |
5402 | ||
5403 | case SSD_LOG_BATTERY_OK: { | |
5404 | if (test_and_clear_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
5405 | ssd_switch_wmode(dev, dev->user_wmode); | |
5406 | } | |
5407 | break; | |
5408 | } | |
5409 | ||
5410 | case SSD_LOG_BOARD_VOLT_FAULT: { | |
5411 | ssd_mon_boardvolt(dev); | |
5412 | break; | |
5413 | } | |
5414 | ||
5415 | case SSD_LOG_CLEAR_LOG: { | |
5416 | /* update smart */ | |
5417 | memset(&dev->smart.log_info, 0, sizeof(struct ssd_log_info)); | |
5418 | break; | |
5419 | } | |
5420 | ||
5421 | case SSD_LOG_CAP_VOLT_FAULT: | |
5422 | case SSD_LOG_CAP_LEARN_FAULT: | |
5423 | case SSD_LOG_CAP_SHORT_CIRCUIT: { | |
5424 | if (!test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
5425 | ssd_switch_wmode(dev, dev->user_wmode); | |
5426 | } | |
5427 | break; | |
5428 | } | |
5429 | ||
5430 | default: | |
5431 | break; | |
5432 | } | |
5433 | ||
5434 | /* ssd event call */ | |
5435 | if (dev->event_call) { | |
5436 | dev->event_call(dev->gd, event, level); | |
5437 | ||
5438 | /* FIXME */ | |
5439 | if (SSD_LOG_CAP_VOLT_FAULT == event || SSD_LOG_CAP_LEARN_FAULT == event || SSD_LOG_CAP_SHORT_CIRCUIT == event) { | |
5440 | dev->event_call(dev->gd, SSD_LOG_BATTERY_FAULT, level); | |
5441 | } | |
5442 | } | |
5443 | ||
5444 | return ret; | |
5445 | } | |
5446 | ||
5447 | static int ssd_save_log(struct ssd_device *dev, struct ssd_log *log) | |
5448 | { | |
5449 | uint32_t off, size; | |
5450 | void *internal_log; | |
5451 | int ret = 0; | |
5452 | ||
5453 | mutex_lock(&dev->internal_log_mutex); | |
5454 | ||
5455 | size = sizeof(struct ssd_log); | |
5456 | off = dev->internal_log.nr_log * size; | |
5457 | ||
5458 | if (off == dev->rom_info.log_sz) { | |
5459 | if (dev->internal_log.nr_log == dev->smart.log_info.nr_log) { | |
5460 | hio_warn("%s: internal log is full\n", dev->name); | |
5461 | } | |
5462 | goto out; | |
5463 | } | |
5464 | ||
5465 | internal_log = dev->internal_log.log + off; | |
5466 | memcpy(internal_log, log, size); | |
5467 | ||
5468 | if (dev->protocol_info.ver > SSD_PROTOCOL_V3) { | |
5469 | off += dev->rom_info.log_base; | |
5470 | ||
5471 | ret = ssd_spi_write(dev, log, off, size); | |
5472 | if (ret) { | |
5473 | goto out; | |
5474 | } | |
5475 | } | |
5476 | ||
5477 | dev->internal_log.nr_log++; | |
5478 | ||
5479 | out: | |
5480 | mutex_unlock(&dev->internal_log_mutex); | |
5481 | return ret; | |
5482 | } | |
5483 | ||
5484 | static int ssd_save_swlog(struct ssd_device *dev, uint16_t event, uint32_t data) | |
5485 | { | |
5486 | struct ssd_log log; | |
5487 | struct timeval tv; | |
5488 | int level; | |
5489 | int ret = 0; | |
5490 | ||
5491 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
5492 | return 0; | |
5493 | ||
5494 | memset(&log, 0, sizeof(struct ssd_log)); | |
5495 | ||
5496 | do_gettimeofday(&tv); | |
5497 | log.ctrl_idx = SSD_LOG_SW_IDX; | |
5498 | log.time = tv.tv_sec; | |
5499 | log.le.event = event; | |
5500 | log.le.data.val = data; | |
5501 | ||
5502 | level = ssd_parse_log(dev, &log, 0); | |
5503 | if (level >= SSD_LOG_LEVEL) { | |
5504 | ret = ssd_save_log(dev, &log); | |
5505 | } | |
5506 | ||
5507 | /* set alarm */ | |
5508 | if (SSD_LOG_LEVEL_ERR == level) { | |
5509 | ssd_set_alarm(dev); | |
5510 | } | |
5511 | ||
5512 | /* update smart */ | |
5513 | dev->smart.log_info.nr_log++; | |
5514 | dev->smart.log_info.stat[level]++; | |
5515 | ||
5516 | /* handle event */ | |
5517 | ssd_handle_event(dev, event, level); | |
5518 | ||
5519 | return ret; | |
5520 | } | |
5521 | ||
5522 | static int ssd_gen_swlog(struct ssd_device *dev, uint16_t event, uint32_t data) | |
5523 | { | |
5524 | struct ssd_log_entry le; | |
5525 | int ret; | |
5526 | ||
5527 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
5528 | return 0; | |
5529 | ||
5530 | /* slave port ? */ | |
5531 | if (dev->slave) { | |
5532 | return 0; | |
5533 | } | |
5534 | ||
5535 | memset(&le, 0, sizeof(struct ssd_log_entry)); | |
5536 | le.event = event; | |
5537 | le.data.val = data; | |
5538 | ||
5539 | ret = sfifo_put(&dev->log_fifo, &le); | |
5540 | if (ret) { | |
5541 | return ret; | |
5542 | } | |
5543 | ||
5544 | if (test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
5545 | queue_work(dev->workq, &dev->log_work); | |
5546 | } | |
5547 | ||
5548 | return 0; | |
5549 | } | |
5550 | ||
5551 | static int ssd_do_swlog(struct ssd_device *dev) | |
5552 | { | |
5553 | struct ssd_log_entry le; | |
5554 | int ret = 0; | |
5555 | ||
5556 | memset(&le, 0, sizeof(struct ssd_log_entry)); | |
5557 | while (!sfifo_get(&dev->log_fifo, &le)) { | |
5558 | ret = ssd_save_swlog(dev, le.event, le.data.val); | |
5559 | if (ret) { | |
5560 | break; | |
5561 | } | |
5562 | } | |
5563 | ||
5564 | return ret; | |
5565 | } | |
5566 | ||
5567 | static int __ssd_clear_log(struct ssd_device *dev) | |
5568 | { | |
5569 | uint32_t off, length; | |
5570 | int ret; | |
5571 | ||
5572 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
5573 | return 0; | |
5574 | } | |
5575 | ||
5576 | if (dev->internal_log.nr_log == 0) { | |
5577 | return 0; | |
5578 | } | |
5579 | ||
5580 | mutex_lock(&dev->internal_log_mutex); | |
5581 | ||
5582 | off = dev->rom_info.log_base; | |
5583 | length = dev->rom_info.log_sz; | |
5584 | ||
5585 | ret = ssd_spi_erase(dev, off, length); | |
5586 | if (ret) { | |
5587 | hio_warn("%s: log erase: failed\n", dev->name); | |
5588 | goto out; | |
5589 | } | |
5590 | ||
5591 | dev->internal_log.nr_log = 0; | |
5592 | ||
5593 | out: | |
5594 | mutex_unlock(&dev->internal_log_mutex); | |
5595 | return ret; | |
5596 | } | |
5597 | ||
5598 | static int ssd_clear_log(struct ssd_device *dev) | |
5599 | { | |
5600 | int ret; | |
5601 | ||
5602 | ret = __ssd_clear_log(dev); | |
5603 | if(!ret) { | |
5604 | ssd_gen_swlog(dev, SSD_LOG_CLEAR_LOG, 0); | |
5605 | } | |
5606 | ||
5607 | return ret; | |
5608 | } | |
5609 | ||
5610 | static int ssd_do_log(struct ssd_device *dev, int ctrl_idx, void *buf) | |
5611 | { | |
5612 | struct ssd_log_entry *le; | |
5613 | struct ssd_log log; | |
5614 | struct timeval tv; | |
5615 | int nr_log = 0; | |
5616 | int level; | |
5617 | int ret = 0; | |
5618 | ||
5619 | ret = ssd_read_log(dev, ctrl_idx, buf, &nr_log); | |
5620 | if (ret) { | |
5621 | return ret; | |
5622 | } | |
5623 | ||
5624 | do_gettimeofday(&tv); | |
5625 | ||
5626 | log.time = tv.tv_sec; | |
5627 | log.ctrl_idx = ctrl_idx; | |
5628 | ||
5629 | le = (ssd_log_entry_t *)buf; | |
5630 | while (nr_log > 0) { | |
5631 | memcpy(&log.le, le, sizeof(struct ssd_log_entry)); | |
5632 | ||
5633 | level = ssd_parse_log(dev, &log, 1); | |
5634 | if (level >= SSD_LOG_LEVEL) { | |
5635 | ssd_save_log(dev, &log); | |
5636 | } | |
5637 | ||
5638 | /* set alarm */ | |
5639 | if (SSD_LOG_LEVEL_ERR == level) { | |
5640 | ssd_set_alarm(dev); | |
5641 | } | |
5642 | ||
5643 | dev->smart.log_info.nr_log++; | |
5644 | if (SSD_LOG_SEU_FAULT != le->event && SSD_LOG_SEU_FAULT1 != le->event) { | |
5645 | dev->smart.log_info.stat[level]++; | |
5646 | } else { | |
5647 | /* SEU fault */ | |
5648 | ||
5649 | /* log to the volatile log info */ | |
5650 | dev->log_info.nr_log++; | |
5651 | dev->log_info.stat[level]++; | |
5652 | ||
5653 | /* do something */ | |
5654 | dev->reload_fw = 1; | |
5655 | ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FLAG); | |
5656 | ||
5657 | /*dev->readonly = 1; | |
5658 | set_disk_ro(dev->gd, 1); | |
5659 | hio_warn("%s: switched to read-only mode.\n", dev->name);*/ | |
5660 | } | |
5661 | ||
5662 | /* handle event */ | |
5663 | ssd_handle_event(dev, le->event, level); | |
5664 | ||
5665 | le++; | |
5666 | nr_log--; | |
5667 | } | |
5668 | ||
5669 | return 0; | |
5670 | } | |
5671 | ||
5672 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
5673 | static void ssd_log_worker(void *data) | |
5674 | { | |
5675 | struct ssd_device *dev = (struct ssd_device *)data; | |
5676 | #else | |
5677 | static void ssd_log_worker(struct work_struct *work) | |
5678 | { | |
5679 | struct ssd_device *dev = container_of(work, struct ssd_device, log_work); | |
5680 | #endif | |
5681 | int i; | |
5682 | int ret; | |
5683 | ||
5684 | if (!test_bit(SSD_LOG_ERR, &dev->state) && test_bit(SSD_ONLINE, &dev->state)) { | |
5685 | /* alloc log buf */ | |
5686 | if (!dev->log_buf) { | |
5687 | dev->log_buf = kmalloc(dev->hw_info.log_sz, GFP_KERNEL); | |
5688 | if (!dev->log_buf) { | |
5689 | hio_warn("%s: ssd_log_worker: no mem\n", dev->name); | |
5690 | return; | |
5691 | } | |
5692 | } | |
5693 | ||
5694 | /* get log */ | |
5695 | if (test_and_clear_bit(SSD_LOG_HW, &dev->state)) { | |
5696 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
5697 | ret = ssd_do_log(dev, i, dev->log_buf); | |
5698 | if (ret) { | |
5699 | (void)test_and_set_bit(SSD_LOG_ERR, &dev->state); | |
5700 | hio_warn("%s: do log fail\n", dev->name); | |
5701 | } | |
5702 | } | |
5703 | } | |
5704 | } | |
5705 | ||
5706 | ret = ssd_do_swlog(dev); | |
5707 | if (ret) { | |
5708 | hio_warn("%s: do swlog fail\n", dev->name); | |
5709 | } | |
5710 | } | |
5711 | ||
5712 | static void ssd_cleanup_log(struct ssd_device *dev) | |
5713 | { | |
5714 | if (dev->log_buf) { | |
5715 | kfree(dev->log_buf); | |
5716 | dev->log_buf = NULL; | |
5717 | } | |
5718 | ||
5719 | sfifo_free(&dev->log_fifo); | |
5720 | ||
5721 | if (dev->internal_log.log) { | |
5722 | vfree(dev->internal_log.log); | |
5723 | dev->internal_log.log = NULL; | |
5724 | } | |
5725 | } | |
5726 | ||
5727 | static int ssd_init_log(struct ssd_device *dev) | |
5728 | { | |
5729 | struct ssd_log *log; | |
5730 | uint32_t off, size; | |
5731 | uint32_t len = 0; | |
5732 | int ret = 0; | |
5733 | ||
5734 | mutex_init(&dev->internal_log_mutex); | |
5735 | ||
5736 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
5737 | INIT_WORK(&dev->log_work, ssd_log_worker, dev); | |
5738 | #else | |
5739 | INIT_WORK(&dev->log_work, ssd_log_worker); | |
5740 | #endif | |
5741 | ||
5742 | off = dev->rom_info.log_base; | |
5743 | size = dev->rom_info.log_sz; | |
5744 | ||
5745 | dev->internal_log.log = vmalloc(size); | |
5746 | if (!dev->internal_log.log) { | |
5747 | ret = -ENOMEM; | |
5748 | goto out_alloc_log; | |
5749 | } | |
5750 | ||
5751 | ret = sfifo_alloc(&dev->log_fifo, SSD_LOG_FIFO_SZ, sizeof(struct ssd_log_entry)); | |
5752 | if (ret < 0) { | |
5753 | goto out_alloc_log_fifo; | |
5754 | } | |
5755 | ||
5756 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
5757 | return 0; | |
5758 | } | |
5759 | ||
5760 | log = (struct ssd_log *)dev->internal_log.log; | |
5761 | while (len < size) { | |
5762 | ret = ssd_spi_read(dev, log, off, sizeof(struct ssd_log)); | |
5763 | if (ret) { | |
5764 | goto out_read_log; | |
5765 | } | |
5766 | ||
5767 | if (log->ctrl_idx == 0xff) { | |
5768 | break; | |
5769 | } | |
5770 | ||
5771 | dev->internal_log.nr_log++; | |
5772 | log++; | |
5773 | len += sizeof(struct ssd_log); | |
5774 | off += sizeof(struct ssd_log); | |
5775 | } | |
5776 | ||
5777 | return 0; | |
5778 | ||
5779 | out_read_log: | |
5780 | sfifo_free(&dev->log_fifo); | |
5781 | out_alloc_log_fifo: | |
5782 | vfree(dev->internal_log.log); | |
5783 | dev->internal_log.log = NULL; | |
5784 | dev->internal_log.nr_log = 0; | |
5785 | out_alloc_log: | |
5786 | /* skip error if not in standard mode */ | |
5787 | if (mode != SSD_DRV_MODE_STANDARD) { | |
5788 | ret = 0; | |
5789 | } | |
5790 | return ret; | |
5791 | } | |
5792 | ||
5793 | /* work queue */ | |
5794 | static void ssd_stop_workq(struct ssd_device *dev) | |
5795 | { | |
5796 | test_and_clear_bit(SSD_INIT_WORKQ, &dev->state); | |
5797 | flush_workqueue(dev->workq); | |
5798 | } | |
5799 | ||
5800 | static void ssd_start_workq(struct ssd_device *dev) | |
5801 | { | |
5802 | (void)test_and_set_bit(SSD_INIT_WORKQ, &dev->state); | |
5803 | ||
5804 | /* log ? */ | |
5805 | queue_work(dev->workq, &dev->log_work); | |
5806 | } | |
5807 | ||
5808 | static void ssd_cleanup_workq(struct ssd_device *dev) | |
5809 | { | |
5810 | flush_workqueue(dev->workq); | |
5811 | destroy_workqueue(dev->workq); | |
5812 | dev->workq = NULL; | |
5813 | } | |
5814 | ||
5815 | static int ssd_init_workq(struct ssd_device *dev) | |
5816 | { | |
5817 | int ret = 0; | |
5818 | ||
5819 | dev->workq = create_singlethread_workqueue(dev->name); | |
5820 | if (!dev->workq) { | |
5821 | ret = -ESRCH; | |
5822 | goto out; | |
5823 | } | |
5824 | ||
5825 | out: | |
5826 | return ret; | |
5827 | } | |
5828 | ||
5829 | /* rom */ | |
5830 | static int ssd_init_rom_info(struct ssd_device *dev) | |
5831 | { | |
5832 | uint32_t val; | |
5833 | ||
5834 | mutex_init(&dev->spi_mutex); | |
5835 | mutex_init(&dev->i2c_mutex); | |
5836 | ||
5837 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
5838 | /* fix bug: read data to clear status */ | |
5839 | (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_RDATA); | |
5840 | ||
5841 | dev->rom_info.size = SSD_ROM_SIZE; | |
5842 | dev->rom_info.block_size = SSD_ROM_BLK_SIZE; | |
5843 | dev->rom_info.page_size = SSD_ROM_PAGE_SIZE; | |
5844 | ||
5845 | dev->rom_info.bridge_fw_base = SSD_ROM_BRIDGE_FW_BASE; | |
5846 | dev->rom_info.bridge_fw_sz = SSD_ROM_BRIDGE_FW_SIZE; | |
5847 | dev->rom_info.nr_bridge_fw = SSD_ROM_NR_BRIDGE_FW; | |
5848 | ||
5849 | dev->rom_info.ctrl_fw_base = SSD_ROM_CTRL_FW_BASE; | |
5850 | dev->rom_info.ctrl_fw_sz = SSD_ROM_CTRL_FW_SIZE; | |
5851 | dev->rom_info.nr_ctrl_fw = SSD_ROM_NR_CTRL_FW; | |
5852 | ||
5853 | dev->rom_info.log_sz = SSD_ROM_LOG_SZ; | |
5854 | ||
5855 | dev->rom_info.vp_base = SSD_ROM_VP_BASE; | |
5856 | dev->rom_info.label_base = SSD_ROM_LABEL_BASE; | |
5857 | } else if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
5858 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_INFO_REG); | |
5859 | dev->rom_info.size = 0x100000 * (1U << (val & 0xFF)); | |
5860 | dev->rom_info.block_size = 0x10000 * (1U << ((val>>8) & 0xFF)); | |
5861 | dev->rom_info.page_size = (val>>16) & 0xFFFF; | |
5862 | ||
5863 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_BRIDGE_FW_INFO_REG); | |
5864 | dev->rom_info.bridge_fw_base = dev->rom_info.block_size * (val & 0xFFFF); | |
5865 | dev->rom_info.bridge_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF); | |
5866 | dev->rom_info.nr_bridge_fw = ((val >> 30) & 0x3) + 1; | |
5867 | ||
5868 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_CTRL_FW_INFO_REG); | |
5869 | dev->rom_info.ctrl_fw_base = dev->rom_info.block_size * (val & 0xFFFF); | |
5870 | dev->rom_info.ctrl_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF); | |
5871 | dev->rom_info.nr_ctrl_fw = ((val >> 30) & 0x3) + 1; | |
5872 | ||
5873 | dev->rom_info.bm_fw_base = dev->rom_info.ctrl_fw_base + (dev->rom_info.nr_ctrl_fw * dev->rom_info.ctrl_fw_sz); | |
5874 | dev->rom_info.bm_fw_sz = SSD_PV3_ROM_BM_FW_SZ; | |
5875 | dev->rom_info.nr_bm_fw = SSD_PV3_ROM_NR_BM_FW; | |
5876 | ||
5877 | dev->rom_info.log_base = dev->rom_info.bm_fw_base + (dev->rom_info.nr_bm_fw * dev->rom_info.bm_fw_sz); | |
5878 | dev->rom_info.log_sz = SSD_ROM_LOG_SZ; | |
5879 | ||
5880 | dev->rom_info.smart_base = dev->rom_info.log_base + dev->rom_info.log_sz; | |
5881 | dev->rom_info.smart_sz = SSD_PV3_ROM_SMART_SZ; | |
5882 | dev->rom_info.nr_smart = SSD_PV3_ROM_NR_SMART; | |
5883 | ||
5884 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_VP_INFO_REG); | |
5885 | dev->rom_info.vp_base = dev->rom_info.block_size * val; | |
5886 | dev->rom_info.label_base = dev->rom_info.vp_base + dev->rom_info.block_size; | |
5887 | if (dev->rom_info.label_base >= dev->rom_info.size) { | |
5888 | dev->rom_info.label_base = dev->rom_info.vp_base - dev->rom_info.block_size; | |
5889 | } | |
5890 | } else { | |
5891 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_INFO_REG); | |
5892 | dev->rom_info.size = 0x100000 * (1U << (val & 0xFF)); | |
5893 | dev->rom_info.block_size = 0x10000 * (1U << ((val>>8) & 0xFF)); | |
5894 | dev->rom_info.page_size = (val>>16) & 0xFFFF; | |
5895 | ||
5896 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_BRIDGE_FW_INFO_REG); | |
5897 | dev->rom_info.bridge_fw_base = dev->rom_info.block_size * (val & 0xFFFF); | |
5898 | dev->rom_info.bridge_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF); | |
5899 | dev->rom_info.nr_bridge_fw = ((val >> 30) & 0x3) + 1; | |
5900 | ||
5901 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_CTRL_FW_INFO_REG); | |
5902 | dev->rom_info.ctrl_fw_base = dev->rom_info.block_size * (val & 0xFFFF); | |
5903 | dev->rom_info.ctrl_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF); | |
5904 | dev->rom_info.nr_ctrl_fw = ((val >> 30) & 0x3) + 1; | |
5905 | ||
5906 | val = ssd_reg32_read(dev->ctrlp + SSD_ROM_VP_INFO_REG); | |
5907 | dev->rom_info.vp_base = dev->rom_info.block_size * val; | |
5908 | dev->rom_info.label_base = dev->rom_info.vp_base - SSD_PV3_2_ROM_SEC_SZ; | |
5909 | ||
5910 | dev->rom_info.nr_smart = SSD_PV3_ROM_NR_SMART; | |
5911 | dev->rom_info.smart_sz = SSD_PV3_2_ROM_SEC_SZ; | |
5912 | dev->rom_info.smart_base = dev->rom_info.label_base - (dev->rom_info.smart_sz * dev->rom_info.nr_smart); | |
5913 | if (dev->rom_info.smart_sz > dev->rom_info.block_size) { | |
5914 | dev->rom_info.smart_sz = dev->rom_info.block_size; | |
5915 | } | |
5916 | ||
5917 | dev->rom_info.log_sz = SSD_PV3_2_ROM_LOG_SZ; | |
5918 | dev->rom_info.log_base = dev->rom_info.smart_base - dev->rom_info.log_sz; | |
5919 | } | |
5920 | ||
5921 | return ssd_init_spi(dev); | |
5922 | } | |
5923 | ||
5924 | /* smart */ | |
5925 | static int ssd_update_smart(struct ssd_device *dev, struct ssd_smart *smart) | |
5926 | { | |
5927 | struct timeval tv; | |
5928 | uint64_t run_time; | |
5929 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27)) | |
5930 | struct hd_struct *part; | |
5931 | int cpu; | |
5932 | #endif | |
5933 | int i, j; | |
5934 | int ret = 0; | |
5935 | ||
5936 | if (!test_bit(SSD_INIT_BD, &dev->state)) { | |
5937 | return 0; | |
5938 | } | |
5939 | ||
5940 | do_gettimeofday(&tv); | |
5941 | if ((uint64_t)tv.tv_sec < dev->uptime) { | |
5942 | run_time = 0; | |
5943 | } else { | |
5944 | run_time = tv.tv_sec - dev->uptime; | |
5945 | } | |
5946 | ||
5947 | /* avoid frequently update */ | |
5948 | if (run_time >= 60) { | |
5949 | ret = 1; | |
5950 | } | |
5951 | ||
5952 | /* io stat */ | |
5953 | smart->io_stat.run_time += run_time; | |
5954 | ||
5955 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27)) | |
5956 | cpu = part_stat_lock(); | |
5957 | part = &dev->gd->part0; | |
5958 | part_round_stats(cpu, part); | |
5959 | part_stat_unlock(); | |
5960 | ||
5961 | smart->io_stat.nr_read += part_stat_read(part, ios[READ]); | |
5962 | smart->io_stat.nr_write += part_stat_read(part, ios[WRITE]); | |
5963 | smart->io_stat.rsectors += part_stat_read(part, sectors[READ]); | |
5964 | smart->io_stat.wsectors += part_stat_read(part, sectors[WRITE]); | |
5965 | #elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14)) | |
5966 | preempt_disable(); | |
5967 | disk_round_stats(dev->gd); | |
5968 | preempt_enable(); | |
5969 | ||
5970 | smart->io_stat.nr_read += disk_stat_read(dev->gd, ios[READ]); | |
5971 | smart->io_stat.nr_write += disk_stat_read(dev->gd, ios[WRITE]); | |
5972 | smart->io_stat.rsectors += disk_stat_read(dev->gd, sectors[READ]); | |
5973 | smart->io_stat.wsectors += disk_stat_read(dev->gd, sectors[WRITE]); | |
5974 | #else | |
5975 | preempt_disable(); | |
5976 | disk_round_stats(dev->gd); | |
5977 | preempt_enable(); | |
5978 | ||
5979 | smart->io_stat.nr_read += disk_stat_read(dev->gd, reads); | |
5980 | smart->io_stat.nr_write += disk_stat_read(dev->gd, writes); | |
5981 | smart->io_stat.rsectors += disk_stat_read(dev->gd, read_sectors); | |
5982 | smart->io_stat.wsectors += disk_stat_read(dev->gd, write_sectors); | |
5983 | #endif | |
5984 | ||
5985 | smart->io_stat.nr_to += atomic_read(&dev->tocnt); | |
5986 | ||
5987 | for (i=0; i<dev->nr_queue; i++) { | |
5988 | smart->io_stat.nr_rwerr += dev->queue[i].io_stat.nr_rwerr; | |
5989 | smart->io_stat.nr_ioerr += dev->queue[i].io_stat.nr_ioerr; | |
5990 | } | |
5991 | ||
5992 | for (i=0; i<dev->nr_queue; i++) { | |
5993 | for (j=0; j<SSD_ECC_MAX_FLIP; j++) { | |
5994 | smart->ecc_info.bitflip[j] += dev->queue[i].ecc_info.bitflip[j]; | |
5995 | } | |
5996 | } | |
5997 | ||
5998 | //dev->uptime = tv.tv_sec; | |
5999 | ||
6000 | return ret; | |
6001 | } | |
6002 | ||
6003 | static int ssd_clear_smart(struct ssd_device *dev) | |
6004 | { | |
6005 | struct timeval tv; | |
6006 | uint64_t sversion; | |
6007 | uint32_t off, length; | |
6008 | int i; | |
6009 | int ret; | |
6010 | ||
6011 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
6012 | return 0; | |
6013 | } | |
6014 | ||
6015 | /* clear smart */ | |
6016 | off = dev->rom_info.smart_base; | |
6017 | length = dev->rom_info.smart_sz * dev->rom_info.nr_smart; | |
6018 | ||
6019 | ret = ssd_spi_erase(dev, off, length); | |
6020 | if (ret) { | |
6021 | hio_warn("%s: info erase: failed\n", dev->name); | |
6022 | goto out; | |
6023 | } | |
6024 | ||
6025 | sversion = dev->smart.version; | |
6026 | ||
6027 | memset(&dev->smart, 0, sizeof(struct ssd_smart)); | |
6028 | dev->smart.version = sversion + 1; | |
6029 | dev->smart.magic = SSD_SMART_MAGIC; | |
6030 | ||
6031 | /* clear all tmp acc */ | |
6032 | for (i=0; i<dev->nr_queue; i++) { | |
6033 | memset(&(dev->queue[i].io_stat), 0, sizeof(struct ssd_io_stat)); | |
6034 | memset(&(dev->queue[i].ecc_info), 0, sizeof(struct ssd_ecc_info)); | |
6035 | } | |
6036 | ||
6037 | atomic_set(&dev->tocnt, 0); | |
6038 | ||
6039 | /* clear tmp log info */ | |
6040 | memset(&dev->log_info, 0, sizeof(struct ssd_log_info)); | |
6041 | ||
6042 | do_gettimeofday(&tv); | |
6043 | dev->uptime = tv.tv_sec; | |
6044 | ||
6045 | /* clear alarm ? */ | |
6046 | //ssd_clear_alarm(dev); | |
6047 | out: | |
6048 | return ret; | |
6049 | } | |
6050 | ||
6051 | static int ssd_save_smart(struct ssd_device *dev) | |
6052 | { | |
6053 | uint32_t off, size; | |
6054 | int i; | |
6055 | int ret = 0; | |
6056 | ||
6057 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
6058 | return 0; | |
6059 | ||
6060 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
6061 | return 0; | |
6062 | } | |
6063 | ||
6064 | if (!ssd_update_smart(dev, &dev->smart)) { | |
6065 | return 0; | |
6066 | } | |
6067 | ||
6068 | dev->smart.version++; | |
6069 | ||
6070 | for (i=0; i<dev->rom_info.nr_smart; i++) { | |
6071 | off = dev->rom_info.smart_base + (dev->rom_info.smart_sz * i); | |
6072 | size = dev->rom_info.smart_sz; | |
6073 | ||
6074 | ret = ssd_spi_erase(dev, off, size); | |
6075 | if (ret) { | |
6076 | hio_warn("%s: info erase failed\n", dev->name); | |
6077 | goto out; | |
6078 | } | |
6079 | ||
6080 | size = sizeof(struct ssd_smart); | |
6081 | ||
6082 | ret = ssd_spi_write(dev, &dev->smart, off, size); | |
6083 | if (ret) { | |
6084 | hio_warn("%s: info write failed\n", dev->name); | |
6085 | goto out; | |
6086 | } | |
6087 | ||
6088 | //xx | |
6089 | } | |
6090 | ||
6091 | out: | |
6092 | return ret; | |
6093 | } | |
6094 | ||
6095 | static int ssd_init_smart(struct ssd_device *dev) | |
6096 | { | |
6097 | struct ssd_smart *smart; | |
6098 | struct timeval tv; | |
6099 | uint32_t off, size; | |
6100 | int i; | |
6101 | int ret = 0; | |
6102 | ||
6103 | do_gettimeofday(&tv); | |
6104 | dev->uptime = tv.tv_sec; | |
6105 | ||
6106 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
6107 | return 0; | |
6108 | } | |
6109 | ||
6110 | smart = kmalloc(sizeof(struct ssd_smart) * SSD_ROM_NR_SMART_MAX, GFP_KERNEL); | |
6111 | if (!smart) { | |
6112 | ret = -ENOMEM; | |
6113 | goto out_nomem; | |
6114 | } | |
6115 | ||
6116 | memset(&dev->smart, 0, sizeof(struct ssd_smart)); | |
6117 | ||
6118 | /* read smart */ | |
6119 | for (i=0; i<dev->rom_info.nr_smart; i++) { | |
6120 | memset(&smart[i], 0, sizeof(struct ssd_smart)); | |
6121 | ||
6122 | off = dev->rom_info.smart_base + (dev->rom_info.smart_sz * i); | |
6123 | size = sizeof(struct ssd_smart); | |
6124 | ||
6125 | ret = ssd_spi_read(dev, &smart[i], off, size); | |
6126 | if (ret) { | |
6127 | hio_warn("%s: info read failed\n", dev->name); | |
6128 | goto out; | |
6129 | } | |
6130 | ||
6131 | if (smart[i].magic != SSD_SMART_MAGIC) { | |
6132 | smart[i].magic = 0; | |
6133 | smart[i].version = 0; | |
6134 | continue; | |
6135 | } | |
6136 | ||
6137 | if (smart[i].version > dev->smart.version) { | |
6138 | memcpy(&dev->smart, &smart[i], sizeof(struct ssd_smart)); | |
6139 | } | |
6140 | } | |
6141 | ||
6142 | if (dev->smart.magic != SSD_SMART_MAGIC) { | |
6143 | /* first time power up */ | |
6144 | dev->smart.magic = SSD_SMART_MAGIC; | |
6145 | dev->smart.version = 1; | |
6146 | } | |
6147 | ||
6148 | /* check log info */ | |
6149 | { | |
6150 | struct ssd_log_info log_info; | |
6151 | struct ssd_log *log = (struct ssd_log *)dev->internal_log.log; | |
6152 | ||
6153 | memset(&log_info, 0, sizeof(struct ssd_log_info)); | |
6154 | ||
6155 | while (log_info.nr_log < dev->internal_log.nr_log) { | |
6156 | /* skip the volatile log info */ | |
6157 | if (SSD_LOG_SEU_FAULT != log->le.event && SSD_LOG_SEU_FAULT1 != log->le.event) { | |
6158 | log_info.stat[ssd_parse_log(dev, log, 0)]++; | |
6159 | } | |
6160 | ||
6161 | log_info.nr_log++; | |
6162 | log++; | |
6163 | } | |
6164 | ||
6165 | /* check */ | |
6166 | for (i=(SSD_LOG_NR_LEVEL-1); i>=0; i--) { | |
6167 | if (log_info.stat[i] > dev->smart.log_info.stat[i]) { | |
6168 | /* unclean */ | |
6169 | memcpy(&dev->smart.log_info, &log_info, sizeof(struct ssd_log_info)); | |
6170 | dev->smart.version++; | |
6171 | break; | |
6172 | } | |
6173 | } | |
6174 | } | |
6175 | ||
6176 | for (i=0; i<dev->rom_info.nr_smart; i++) { | |
6177 | if (smart[i].magic == SSD_SMART_MAGIC && smart[i].version == dev->smart.version) { | |
6178 | continue; | |
6179 | } | |
6180 | ||
6181 | off = dev->rom_info.smart_base + (dev->rom_info.smart_sz * i); | |
6182 | size = dev->rom_info.smart_sz; | |
6183 | ||
6184 | ret = ssd_spi_erase(dev, off, size); | |
6185 | if (ret) { | |
6186 | hio_warn("%s: info erase failed\n", dev->name); | |
6187 | goto out; | |
6188 | } | |
6189 | ||
6190 | size = sizeof(struct ssd_smart); | |
6191 | ret = ssd_spi_write(dev, &dev->smart, off, size); | |
6192 | if (ret) { | |
6193 | hio_warn("%s: info write failed\n", dev->name); | |
6194 | goto out; | |
6195 | } | |
6196 | ||
6197 | //xx | |
6198 | } | |
6199 | ||
6200 | /* sync smart with alarm led */ | |
6201 | if (dev->smart.io_stat.nr_to || dev->smart.io_stat.nr_rwerr || dev->smart.log_info.stat[SSD_LOG_LEVEL_ERR]) { | |
6202 | hio_warn("%s: some fault found in the history info\n", dev->name); | |
6203 | ssd_set_alarm(dev); | |
6204 | } | |
6205 | ||
6206 | out: | |
6207 | kfree(smart); | |
6208 | out_nomem: | |
6209 | /* skip error if not in standard mode */ | |
6210 | if (mode != SSD_DRV_MODE_STANDARD) { | |
6211 | ret = 0; | |
6212 | } | |
6213 | return ret; | |
6214 | } | |
6215 | ||
6216 | /* bm */ | |
6217 | static int __ssd_bm_get_version(struct ssd_device *dev, uint16_t *ver) | |
6218 | { | |
6219 | struct ssd_bm_manufacturer_data bm_md = {0}; | |
6220 | uint16_t sc_id = SSD_BM_SYSTEM_DATA_SUBCLASS_ID; | |
6221 | uint8_t cmd; | |
6222 | int ret = 0; | |
6223 | ||
6224 | if (!dev || !ver) { | |
6225 | return -EINVAL; | |
6226 | } | |
6227 | ||
6228 | mutex_lock(&dev->bm_mutex); | |
6229 | ||
6230 | cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID; | |
6231 | ret = ssd_smbus_write_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&sc_id); | |
6232 | if (ret) { | |
6233 | goto out; | |
6234 | } | |
6235 | ||
6236 | cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID_PAGE1; | |
6237 | ret = ssd_smbus_read_block(dev, SSD_BM_SLAVE_ADDRESS, cmd, sizeof(struct ssd_bm_manufacturer_data), (uint8_t *)&bm_md); | |
6238 | if (ret) { | |
6239 | goto out; | |
6240 | } | |
6241 | ||
6242 | if (bm_md.firmware_ver & 0xF000) { | |
6243 | ret = -EIO; | |
6244 | goto out; | |
6245 | } | |
6246 | ||
6247 | *ver = bm_md.firmware_ver; | |
6248 | ||
6249 | out: | |
6250 | mutex_unlock(&dev->bm_mutex); | |
6251 | return ret; | |
6252 | } | |
6253 | ||
6254 | static int ssd_bm_get_version(struct ssd_device *dev, uint16_t *ver) | |
6255 | { | |
6256 | uint16_t tmp = 0; | |
6257 | int i = SSD_BM_RETRY_MAX; | |
6258 | int ret = 0; | |
6259 | ||
6260 | while (i-- > 0) { | |
6261 | ret = __ssd_bm_get_version(dev, &tmp); | |
6262 | if (!ret) { | |
6263 | break; | |
6264 | } | |
6265 | } | |
6266 | if (ret) { | |
6267 | return ret; | |
6268 | } | |
6269 | ||
6270 | *ver = tmp; | |
6271 | ||
6272 | return 0; | |
6273 | } | |
6274 | ||
6275 | static int __ssd_bm_nr_cap(struct ssd_device *dev, int *nr_cap) | |
6276 | { | |
6277 | struct ssd_bm_configuration_registers bm_cr; | |
6278 | uint16_t sc_id = SSD_BM_CONFIGURATION_REGISTERS_ID; | |
6279 | uint8_t cmd; | |
6280 | int ret; | |
6281 | ||
6282 | mutex_lock(&dev->bm_mutex); | |
6283 | ||
6284 | cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID; | |
6285 | ret = ssd_smbus_write_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&sc_id); | |
6286 | if (ret) { | |
6287 | goto out; | |
6288 | } | |
6289 | ||
6290 | cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID_PAGE1; | |
6291 | ret = ssd_smbus_read_block(dev, SSD_BM_SLAVE_ADDRESS, cmd, sizeof(struct ssd_bm_configuration_registers), (uint8_t *)&bm_cr); | |
6292 | if (ret) { | |
6293 | goto out; | |
6294 | } | |
6295 | ||
6296 | if (bm_cr.operation_cfg.cc == 0 || bm_cr.operation_cfg.cc > 4) { | |
6297 | ret = -EIO; | |
6298 | goto out; | |
6299 | } | |
6300 | ||
6301 | *nr_cap = bm_cr.operation_cfg.cc + 1; | |
6302 | ||
6303 | out: | |
6304 | mutex_unlock(&dev->bm_mutex); | |
6305 | return ret; | |
6306 | } | |
6307 | ||
6308 | static int ssd_bm_nr_cap(struct ssd_device *dev, int *nr_cap) | |
6309 | { | |
6310 | int tmp = 0; | |
6311 | int i = SSD_BM_RETRY_MAX; | |
6312 | int ret = 0; | |
6313 | ||
6314 | while (i-- > 0) { | |
6315 | ret = __ssd_bm_nr_cap(dev, &tmp); | |
6316 | if (!ret) { | |
6317 | break; | |
6318 | } | |
6319 | } | |
6320 | if (ret) { | |
6321 | return ret; | |
6322 | } | |
6323 | ||
6324 | *nr_cap = tmp; | |
6325 | ||
6326 | return 0; | |
6327 | } | |
6328 | ||
6329 | static int ssd_bm_enter_cap_learning(struct ssd_device *dev) | |
6330 | { | |
6331 | uint16_t buf = SSD_BM_ENTER_CAP_LEARNING; | |
6332 | uint8_t cmd = SSD_BM_MANUFACTURERACCESS; | |
6333 | int ret; | |
6334 | ||
6335 | ret = ssd_smbus_write_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&buf); | |
6336 | if (ret) { | |
6337 | goto out; | |
6338 | } | |
6339 | ||
6340 | out: | |
6341 | return ret; | |
6342 | } | |
6343 | ||
6344 | static int ssd_bm_get_sfstatus(struct ssd_device *dev, uint16_t *status) | |
6345 | { | |
6346 | uint16_t val = 0; | |
6347 | uint8_t cmd = SSD_BM_SAFETYSTATUS; | |
6348 | int ret; | |
6349 | ||
6350 | ret = ssd_smbus_read_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&val); | |
6351 | if (ret) { | |
6352 | goto out; | |
6353 | } | |
6354 | ||
6355 | *status = val; | |
6356 | out: | |
6357 | return ret; | |
6358 | } | |
6359 | ||
6360 | static int ssd_bm_get_opstatus(struct ssd_device *dev, uint16_t *status) | |
6361 | { | |
6362 | uint16_t val = 0; | |
6363 | uint8_t cmd = SSD_BM_OPERATIONSTATUS; | |
6364 | int ret; | |
6365 | ||
6366 | ret = ssd_smbus_read_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&val); | |
6367 | if (ret) { | |
6368 | goto out; | |
6369 | } | |
6370 | ||
6371 | *status = val; | |
6372 | out: | |
6373 | return ret; | |
6374 | } | |
6375 | ||
6376 | static int ssd_get_bmstruct(struct ssd_device *dev, struct ssd_bm *bm_status_out) | |
6377 | { | |
6378 | struct sbs_cmd *bm_sbs = ssd_bm_sbs; | |
6379 | struct ssd_bm bm_status; | |
6380 | uint8_t buf[2] = {0, }; | |
6381 | uint16_t val = 0; | |
6382 | uint16_t cval; | |
6383 | int ret = 0; | |
6384 | ||
6385 | memset(&bm_status, 0, sizeof(struct ssd_bm)); | |
6386 | ||
6387 | while (bm_sbs->desc != NULL) { | |
6388 | switch (bm_sbs->size) { | |
6389 | case SBS_SIZE_BYTE: | |
6390 | ret = ssd_smbus_read_byte(dev, SSD_BM_SLAVE_ADDRESS, bm_sbs->cmd, buf); | |
6391 | if (ret) { | |
6392 | //printf("Error: smbus read byte %#x\n", bm_sbs->cmd); | |
6393 | goto out; | |
6394 | } | |
6395 | val = buf[0]; | |
6396 | break; | |
6397 | case SBS_SIZE_WORD: | |
6398 | ret = ssd_smbus_read_word(dev, SSD_BM_SLAVE_ADDRESS, bm_sbs->cmd, (uint8_t *)&val); | |
6399 | if (ret) { | |
6400 | //printf("Error: smbus read word %#x\n", bm_sbs->cmd); | |
6401 | goto out; | |
6402 | } | |
6403 | //val = *(uint16_t *)buf; | |
6404 | break; | |
6405 | default: | |
6406 | ret = -1; | |
6407 | goto out; | |
6408 | break; | |
6409 | } | |
6410 | ||
6411 | switch (bm_sbs->unit) { | |
6412 | case SBS_UNIT_VALUE: | |
6413 | *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val & bm_sbs->mask; | |
6414 | break; | |
6415 | case SBS_UNIT_TEMPERATURE: | |
6416 | cval = (uint16_t)(val - 2731) / 10; | |
6417 | *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = cval; | |
6418 | break; | |
6419 | case SBS_UNIT_VOLTAGE: | |
6420 | *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val; | |
6421 | break; | |
6422 | case SBS_UNIT_CURRENT: | |
6423 | *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val; | |
6424 | break; | |
6425 | case SBS_UNIT_ESR: | |
6426 | *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val; | |
6427 | break; | |
6428 | case SBS_UNIT_PERCENT: | |
6429 | *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val; | |
6430 | break; | |
6431 | case SBS_UNIT_CAPACITANCE: | |
6432 | *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val; | |
6433 | break; | |
6434 | default: | |
6435 | ret = -1; | |
6436 | goto out; | |
6437 | break; | |
6438 | } | |
6439 | ||
6440 | bm_sbs++; | |
6441 | } | |
6442 | ||
6443 | memcpy(bm_status_out, &bm_status, sizeof(struct ssd_bm)); | |
6444 | ||
6445 | out: | |
6446 | return ret; | |
6447 | } | |
6448 | ||
6449 | static int __ssd_bm_status(struct ssd_device *dev, int *status) | |
6450 | { | |
6451 | struct ssd_bm bm_status = {0}; | |
6452 | int nr_cap = 0; | |
6453 | int i; | |
6454 | int ret = 0; | |
6455 | ||
6456 | ret = ssd_get_bmstruct(dev, &bm_status); | |
6457 | if (ret) { | |
6458 | goto out; | |
6459 | } | |
6460 | ||
6461 | /* capacitor voltage */ | |
6462 | ret = ssd_bm_nr_cap(dev, &nr_cap); | |
6463 | if (ret) { | |
6464 | goto out; | |
6465 | } | |
6466 | ||
6467 | for (i=0; i<nr_cap; i++) { | |
6468 | if (bm_status.cap_volt[i] < SSD_BM_CAP_VOLT_MIN) { | |
6469 | *status = SSD_BMSTATUS_WARNING; | |
6470 | goto out; | |
6471 | } | |
6472 | } | |
6473 | ||
6474 | /* Safety Status */ | |
6475 | if (bm_status.sf_status) { | |
6476 | *status = SSD_BMSTATUS_WARNING; | |
6477 | goto out; | |
6478 | } | |
6479 | ||
6480 | /* charge status */ | |
6481 | if (!((bm_status.op_status >> 12) & 0x1)) { | |
6482 | *status = SSD_BMSTATUS_CHARGING; | |
6483 | }else{ | |
6484 | *status = SSD_BMSTATUS_OK; | |
6485 | } | |
6486 | ||
6487 | out: | |
6488 | return ret; | |
6489 | } | |
6490 | ||
6491 | static void ssd_set_flush_timeout(struct ssd_device *dev, int mode); | |
6492 | ||
6493 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
6494 | static void ssd_bm_worker(void *data) | |
6495 | { | |
6496 | struct ssd_device *dev = (struct ssd_device *)data; | |
6497 | #else | |
6498 | static void ssd_bm_worker(struct work_struct *work) | |
6499 | { | |
6500 | struct ssd_device *dev = container_of(work, struct ssd_device, bm_work); | |
6501 | #endif | |
6502 | ||
6503 | uint16_t opstatus; | |
6504 | int ret = 0; | |
6505 | ||
6506 | if (mode != SSD_DRV_MODE_STANDARD) { | |
6507 | return; | |
6508 | } | |
6509 | ||
6510 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) { | |
6511 | return; | |
6512 | } | |
6513 | ||
6514 | if (dev->hw_info_ext.plp_type != SSD_PLP_SCAP) { | |
6515 | return; | |
6516 | } | |
6517 | ||
6518 | ret = ssd_bm_get_opstatus(dev, &opstatus); | |
6519 | if (ret) { | |
6520 | hio_warn("%s: get bm operationstatus failed\n", dev->name); | |
6521 | return; | |
6522 | } | |
6523 | ||
6524 | /* need cap learning ? */ | |
6525 | if (!(opstatus & 0xF0)) { | |
6526 | ret = ssd_bm_enter_cap_learning(dev); | |
6527 | if (ret) { | |
6528 | hio_warn("%s: enter capacitance learning failed\n", dev->name); | |
6529 | return; | |
6530 | } | |
6531 | } | |
6532 | } | |
6533 | ||
6534 | static void ssd_bm_routine_start(void *data) | |
6535 | { | |
6536 | struct ssd_device *dev; | |
6537 | ||
6538 | if (!data) { | |
6539 | return; | |
6540 | } | |
6541 | dev = data; | |
6542 | ||
6543 | if (test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
6544 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
6545 | queue_work(dev->workq, &dev->bm_work); | |
6546 | } else { | |
6547 | queue_work(dev->workq, &dev->capmon_work); | |
6548 | } | |
6549 | } | |
6550 | } | |
6551 | ||
6552 | /* CAP */ | |
6553 | static int ssd_do_cap_learn(struct ssd_device *dev, uint32_t *cap) | |
6554 | { | |
6555 | uint32_t u1, u2, t; | |
6556 | uint16_t val = 0; | |
6557 | int wait = 0; | |
6558 | int ret = 0; | |
6559 | ||
6560 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
6561 | *cap = 0; | |
6562 | return 0; | |
6563 | } | |
6564 | ||
6565 | if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') { | |
6566 | *cap = 0; | |
6567 | return 0; | |
6568 | } | |
6569 | ||
6570 | /* make sure the lm80 voltage value is updated */ | |
6571 | msleep(SSD_LM80_CONV_INTERVAL); | |
6572 | ||
6573 | /* check if full charged */ | |
6574 | wait = 0; | |
6575 | for (;;) { | |
6576 | ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U1, (uint8_t *)&val); | |
6577 | if (ret) { | |
6578 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) { | |
6579 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS); | |
6580 | } | |
6581 | goto out; | |
6582 | } | |
6583 | u1 = SSD_LM80_CONVERT_VOLT(u16_swap(val)); | |
6584 | if (SSD_PL_CAP_VOLT(u1) >= SSD_PL_CAP_VOLT_FULL) { | |
6585 | break; | |
6586 | } | |
6587 | ||
6588 | wait++; | |
6589 | if (wait > SSD_PL_CAP_CHARGE_MAX_WAIT) { | |
6590 | ret = -ETIMEDOUT; | |
6591 | goto out; | |
6592 | } | |
6593 | msleep(SSD_PL_CAP_CHARGE_WAIT); | |
6594 | } | |
6595 | ||
6596 | ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U2, (uint8_t *)&val); | |
6597 | if (ret) { | |
6598 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) { | |
6599 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS); | |
6600 | } | |
6601 | goto out; | |
6602 | } | |
6603 | u2 = SSD_LM80_CONVERT_VOLT(u16_swap(val)); | |
6604 | ||
6605 | if (u1 == u2) { | |
6606 | ret = -EINVAL; | |
6607 | goto out; | |
6608 | } | |
6609 | ||
6610 | /* enter cap learn */ | |
6611 | ssd_reg32_write(dev->ctrlp + SSD_PL_CAP_LEARN_REG, 0x1); | |
6612 | ||
6613 | wait = 0; | |
6614 | for (;;) { | |
6615 | msleep(SSD_PL_CAP_LEARN_WAIT); | |
6616 | ||
6617 | t = ssd_reg32_read(dev->ctrlp + SSD_PL_CAP_LEARN_REG); | |
6618 | if (!((t >> 1) & 0x1)) { | |
6619 | break; | |
6620 | } | |
6621 | ||
6622 | wait++; | |
6623 | if (wait > SSD_PL_CAP_LEARN_MAX_WAIT) { | |
6624 | ret = -ETIMEDOUT; | |
6625 | goto out; | |
6626 | } | |
6627 | } | |
6628 | ||
6629 | if ((t >> 4) & 0x1) { | |
6630 | ret = -ETIMEDOUT; | |
6631 | goto out; | |
6632 | } | |
6633 | ||
6634 | t = (t >> 8); | |
6635 | if (0 == t) { | |
6636 | ret = -EINVAL; | |
6637 | goto out; | |
6638 | } | |
6639 | ||
6640 | *cap = SSD_PL_CAP_LEARN(u1, u2, t); | |
6641 | ||
6642 | out: | |
6643 | return ret; | |
6644 | } | |
6645 | ||
6646 | static int ssd_cap_learn(struct ssd_device *dev, uint32_t *cap) | |
6647 | { | |
6648 | int ret = 0; | |
6649 | ||
6650 | if (!dev || !cap) { | |
6651 | return -EINVAL; | |
6652 | } | |
6653 | ||
6654 | mutex_lock(&dev->bm_mutex); | |
6655 | ||
6656 | ssd_stop_workq(dev); | |
6657 | ||
6658 | ret = ssd_do_cap_learn(dev, cap); | |
6659 | if (ret) { | |
6660 | ssd_gen_swlog(dev, SSD_LOG_CAP_LEARN_FAULT, 0); | |
6661 | goto out; | |
6662 | } | |
6663 | ||
6664 | ssd_gen_swlog(dev, SSD_LOG_CAP_STATUS, *cap); | |
6665 | ||
6666 | out: | |
6667 | ssd_start_workq(dev); | |
6668 | mutex_unlock(&dev->bm_mutex); | |
6669 | ||
6670 | return ret; | |
6671 | } | |
6672 | ||
6673 | static int ssd_check_pl_cap(struct ssd_device *dev) | |
6674 | { | |
6675 | uint32_t u1; | |
6676 | uint16_t val = 0; | |
6677 | uint8_t low = 0; | |
6678 | int wait = 0; | |
6679 | int ret = 0; | |
6680 | ||
6681 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
6682 | return 0; | |
6683 | } | |
6684 | ||
6685 | if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') { | |
6686 | return 0; | |
6687 | } | |
6688 | ||
6689 | /* cap ready ? */ | |
6690 | wait = 0; | |
6691 | for (;;) { | |
6692 | ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U1, (uint8_t *)&val); | |
6693 | if (ret) { | |
6694 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) { | |
6695 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS); | |
6696 | } | |
6697 | goto out; | |
6698 | } | |
6699 | u1 = SSD_LM80_CONVERT_VOLT(u16_swap(val)); | |
6700 | if (SSD_PL_CAP_VOLT(u1) >= SSD_PL_CAP_VOLT_READY) { | |
6701 | break; | |
6702 | } | |
6703 | ||
6704 | wait++; | |
6705 | if (wait > SSD_PL_CAP_CHARGE_MAX_WAIT) { | |
6706 | ret = -ETIMEDOUT; | |
6707 | ssd_gen_swlog(dev, SSD_LOG_CAP_VOLT_FAULT, SSD_PL_CAP_VOLT(u1)); | |
6708 | goto out; | |
6709 | } | |
6710 | msleep(SSD_PL_CAP_CHARGE_WAIT); | |
6711 | } | |
6712 | ||
6713 | low = ssd_lm80_limit[SSD_LM80_IN_CAP].low; | |
6714 | ret = ssd_smbus_write_byte(dev, SSD_SENSOR_LM80_SADDRESS, SSD_LM80_REG_IN_MIN(SSD_LM80_IN_CAP), &low); | |
6715 | if (ret) { | |
6716 | goto out; | |
6717 | } | |
6718 | ||
6719 | /* enable cap INx */ | |
6720 | ret = ssd_lm80_enable_in(dev, SSD_SENSOR_LM80_SADDRESS, SSD_LM80_IN_CAP); | |
6721 | if (ret) { | |
6722 | if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) { | |
6723 | ssd_gen_swlog(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS); | |
6724 | } | |
6725 | goto out; | |
6726 | } | |
6727 | ||
6728 | out: | |
6729 | /* skip error if not in standard mode */ | |
6730 | if (mode != SSD_DRV_MODE_STANDARD) { | |
6731 | ret = 0; | |
6732 | } | |
6733 | return ret; | |
6734 | } | |
6735 | ||
6736 | static int ssd_check_pl_cap_fast(struct ssd_device *dev) | |
6737 | { | |
6738 | uint32_t u1; | |
6739 | uint16_t val = 0; | |
6740 | int ret = 0; | |
6741 | ||
6742 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
6743 | return 0; | |
6744 | } | |
6745 | ||
6746 | if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') { | |
6747 | return 0; | |
6748 | } | |
6749 | ||
6750 | /* cap ready ? */ | |
6751 | ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U1, (uint8_t *)&val); | |
6752 | if (ret) { | |
6753 | goto out; | |
6754 | } | |
6755 | u1 = SSD_LM80_CONVERT_VOLT(u16_swap(val)); | |
6756 | if (SSD_PL_CAP_VOLT(u1) < SSD_PL_CAP_VOLT_READY) { | |
6757 | ret = 1; | |
6758 | } | |
6759 | ||
6760 | out: | |
6761 | return ret; | |
6762 | } | |
6763 | ||
6764 | static int ssd_init_pl_cap(struct ssd_device *dev) | |
6765 | { | |
6766 | int ret = 0; | |
6767 | ||
6768 | /* set here: user write mode */ | |
6769 | dev->user_wmode = wmode; | |
6770 | ||
6771 | mutex_init(&dev->bm_mutex); | |
6772 | ||
6773 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
6774 | uint32_t val; | |
6775 | val = ssd_reg32_read(dev->ctrlp + SSD_BM_FAULT_REG); | |
6776 | if ((val >> 1) & 0x1) { | |
6777 | (void)test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon); | |
6778 | } | |
6779 | } else { | |
6780 | ret = ssd_check_pl_cap(dev); | |
6781 | if (ret) { | |
6782 | (void)test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon); | |
6783 | } | |
6784 | } | |
6785 | ||
6786 | return 0; | |
6787 | } | |
6788 | ||
6789 | /* label */ | |
6790 | static void __end_str(char *str, int len) | |
6791 | { | |
6792 | int i; | |
6793 | ||
6794 | for(i=0; i<len; i++) { | |
6795 | if (*(str+i) == '\0') | |
6796 | return; | |
6797 | } | |
6798 | *str = '\0'; | |
6799 | } | |
6800 | ||
6801 | static int ssd_init_label(struct ssd_device *dev) | |
6802 | { | |
6803 | uint32_t off; | |
6804 | uint32_t size; | |
6805 | int ret; | |
6806 | ||
6807 | /* label location */ | |
6808 | off = dev->rom_info.label_base; | |
6809 | ||
6810 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
6811 | size = sizeof(struct ssd_label); | |
6812 | ||
6813 | /* read label */ | |
6814 | ret = ssd_spi_read(dev, &dev->label, off, size); | |
6815 | if (ret) { | |
6816 | memset(&dev->label, 0, size); | |
6817 | goto out; | |
6818 | } | |
6819 | ||
6820 | __end_str(dev->label.date, SSD_LABEL_FIELD_SZ); | |
6821 | __end_str(dev->label.sn, SSD_LABEL_FIELD_SZ); | |
6822 | __end_str(dev->label.part, SSD_LABEL_FIELD_SZ); | |
6823 | __end_str(dev->label.desc, SSD_LABEL_FIELD_SZ); | |
6824 | __end_str(dev->label.other, SSD_LABEL_FIELD_SZ); | |
6825 | __end_str(dev->label.maf, SSD_LABEL_FIELD_SZ); | |
6826 | } else { | |
6827 | size = sizeof(struct ssd_labelv3); | |
6828 | ||
6829 | /* read label */ | |
6830 | ret = ssd_spi_read(dev, &dev->labelv3, off, size); | |
6831 | if (ret) { | |
6832 | memset(&dev->labelv3, 0, size); | |
6833 | goto out; | |
6834 | } | |
6835 | ||
6836 | __end_str(dev->labelv3.boardtype, SSD_LABEL_FIELD_SZ); | |
6837 | __end_str(dev->labelv3.barcode, SSD_LABEL_FIELD_SZ); | |
6838 | __end_str(dev->labelv3.item, SSD_LABEL_FIELD_SZ); | |
6839 | __end_str(dev->labelv3.description, SSD_LABEL_DESC_SZ); | |
6840 | __end_str(dev->labelv3.manufactured, SSD_LABEL_FIELD_SZ); | |
6841 | __end_str(dev->labelv3.vendorname, SSD_LABEL_FIELD_SZ); | |
6842 | __end_str(dev->labelv3.issuenumber, SSD_LABEL_FIELD_SZ); | |
6843 | __end_str(dev->labelv3.cleicode, SSD_LABEL_FIELD_SZ); | |
6844 | __end_str(dev->labelv3.bom, SSD_LABEL_FIELD_SZ); | |
6845 | } | |
6846 | ||
6847 | out: | |
6848 | /* skip error if not in standard mode */ | |
6849 | if (mode != SSD_DRV_MODE_STANDARD) { | |
6850 | ret = 0; | |
6851 | } | |
6852 | return ret; | |
6853 | } | |
6854 | ||
6855 | int ssd_get_label(struct block_device *bdev, struct ssd_label *label) | |
6856 | { | |
6857 | struct ssd_device *dev; | |
6858 | ||
6859 | if (!bdev || !label || !(bdev->bd_disk)) { | |
6860 | return -EINVAL; | |
6861 | } | |
6862 | ||
6863 | dev = bdev->bd_disk->private_data; | |
6864 | ||
6865 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
6866 | memset(label, 0, sizeof(struct ssd_label)); | |
6867 | memcpy(label->date, dev->labelv3.manufactured, SSD_LABEL_FIELD_SZ); | |
6868 | memcpy(label->sn, dev->labelv3.barcode, SSD_LABEL_FIELD_SZ); | |
6869 | memcpy(label->desc, dev->labelv3.boardtype, SSD_LABEL_FIELD_SZ); | |
6870 | memcpy(label->maf, dev->labelv3.vendorname, SSD_LABEL_FIELD_SZ); | |
6871 | } else { | |
6872 | memcpy(label, &dev->label, sizeof(struct ssd_label)); | |
6873 | } | |
6874 | ||
6875 | return 0; | |
6876 | } | |
6877 | ||
6878 | static int __ssd_get_version(struct ssd_device *dev, struct ssd_version_info *ver) | |
6879 | { | |
6880 | uint16_t bm_ver = 0; | |
6881 | int ret = 0; | |
6882 | ||
6883 | if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
6884 | ret = ssd_bm_get_version(dev, &bm_ver); | |
6885 | if(ret){ | |
6886 | goto out; | |
6887 | } | |
6888 | } | |
6889 | ||
6890 | ver->bridge_ver = dev->hw_info.bridge_ver; | |
6891 | ver->ctrl_ver = dev->hw_info.ctrl_ver; | |
6892 | ver->bm_ver = bm_ver; | |
6893 | ver->pcb_ver = dev->hw_info.pcb_ver; | |
6894 | ver->upper_pcb_ver = dev->hw_info.upper_pcb_ver; | |
6895 | ||
6896 | out: | |
6897 | return ret; | |
6898 | ||
6899 | } | |
6900 | ||
6901 | int ssd_get_version(struct block_device *bdev, struct ssd_version_info *ver) | |
6902 | { | |
6903 | struct ssd_device *dev; | |
6904 | int ret; | |
6905 | ||
6906 | if (!bdev || !ver || !(bdev->bd_disk)) { | |
6907 | return -EINVAL; | |
6908 | } | |
6909 | ||
6910 | dev = bdev->bd_disk->private_data; | |
6911 | ||
6912 | mutex_lock(&dev->fw_mutex); | |
6913 | ret = __ssd_get_version(dev, ver); | |
6914 | mutex_unlock(&dev->fw_mutex); | |
6915 | ||
6916 | return ret; | |
6917 | } | |
6918 | ||
6919 | static int __ssd_get_temperature(struct ssd_device *dev, int *temp) | |
6920 | { | |
6921 | uint64_t val; | |
6922 | uint32_t off; | |
6923 | int max = -300; | |
6924 | int cur; | |
6925 | int i; | |
6926 | ||
6927 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
6928 | *temp = 0; | |
6929 | return 0; | |
6930 | } | |
6931 | ||
6932 | if (finject) { | |
6933 | if (dev->db_info.type == SSD_DEBUG_LOG && | |
6934 | (dev->db_info.data.log.event == SSD_LOG_OVER_TEMP || | |
6935 | dev->db_info.data.log.event == SSD_LOG_NORMAL_TEMP || | |
6936 | dev->db_info.data.log.event == SSD_LOG_WARN_TEMP)) { | |
6937 | *temp = (int)dev->db_info.data.log.extra; | |
6938 | return 0; | |
6939 | } | |
6940 | } | |
6941 | ||
6942 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
6943 | off = SSD_CTRL_TEMP_REG0 + i * sizeof(uint64_t); | |
6944 | ||
6945 | val = ssd_reg_read(dev->ctrlp + off); | |
6946 | if (val == 0xffffffffffffffffull) { | |
6947 | continue; | |
6948 | } | |
6949 | ||
6950 | cur = (int)CUR_TEMP(val); | |
6951 | if (cur >= max) { | |
6952 | max = cur; | |
6953 | } | |
6954 | } | |
6955 | ||
6956 | *temp = max; | |
6957 | ||
6958 | return 0; | |
6959 | } | |
6960 | ||
6961 | int ssd_get_temperature(struct block_device *bdev, int *temp) | |
6962 | { | |
6963 | struct ssd_device *dev; | |
6964 | int ret; | |
6965 | ||
6966 | if (!bdev || !temp || !(bdev->bd_disk)) { | |
6967 | return -EINVAL; | |
6968 | } | |
6969 | ||
6970 | dev = bdev->bd_disk->private_data; | |
6971 | ||
6972 | ||
6973 | mutex_lock(&dev->fw_mutex); | |
6974 | ret = __ssd_get_temperature(dev, temp); | |
6975 | mutex_unlock(&dev->fw_mutex); | |
6976 | ||
6977 | return ret; | |
6978 | } | |
6979 | ||
6980 | int ssd_set_otprotect(struct block_device *bdev, int otprotect) | |
6981 | { | |
6982 | struct ssd_device *dev; | |
6983 | ||
6984 | if (!bdev || !(bdev->bd_disk)) { | |
6985 | return -EINVAL; | |
6986 | } | |
6987 | ||
6988 | dev = bdev->bd_disk->private_data; | |
6989 | ssd_set_ot_protect(dev, !!otprotect); | |
6990 | ||
6991 | return 0; | |
6992 | } | |
6993 | ||
6994 | int ssd_bm_status(struct block_device *bdev, int *status) | |
6995 | { | |
6996 | struct ssd_device *dev; | |
6997 | int ret = 0; | |
6998 | ||
6999 | if (!bdev || !status || !(bdev->bd_disk)) { | |
7000 | return -EINVAL; | |
7001 | } | |
7002 | ||
7003 | dev = bdev->bd_disk->private_data; | |
7004 | ||
7005 | mutex_lock(&dev->fw_mutex); | |
7006 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
7007 | if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
7008 | *status = SSD_BMSTATUS_WARNING; | |
7009 | } else { | |
7010 | *status = SSD_BMSTATUS_OK; | |
7011 | } | |
7012 | } else if(dev->protocol_info.ver > SSD_PROTOCOL_V3) { | |
7013 | ret = __ssd_bm_status(dev, status); | |
7014 | } else { | |
7015 | *status = SSD_BMSTATUS_OK; | |
7016 | } | |
7017 | mutex_unlock(&dev->fw_mutex); | |
7018 | ||
7019 | return ret; | |
7020 | } | |
7021 | ||
7022 | int ssd_get_pciaddr(struct block_device *bdev, struct pci_addr *paddr) | |
7023 | { | |
7024 | struct ssd_device *dev; | |
7025 | ||
7026 | if (!bdev || !paddr || !bdev->bd_disk) { | |
7027 | return -EINVAL; | |
7028 | } | |
7029 | ||
7030 | dev = bdev->bd_disk->private_data; | |
7031 | ||
7032 | paddr->domain = pci_domain_nr(dev->pdev->bus); | |
7033 | paddr->bus = dev->pdev->bus->number; | |
7034 | paddr->slot = PCI_SLOT(dev->pdev->devfn); | |
7035 | paddr->func= PCI_FUNC(dev->pdev->devfn); | |
7036 | ||
7037 | return 0; | |
7038 | } | |
7039 | ||
7040 | /* acc */ | |
7041 | static int ssd_bb_acc(struct ssd_device *dev, struct ssd_acc_info *acc) | |
7042 | { | |
7043 | uint32_t val; | |
7044 | int ctrl, chip; | |
7045 | ||
7046 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) { | |
7047 | return -EOPNOTSUPP; | |
7048 | } | |
7049 | ||
7050 | acc->threshold_l1 = ssd_reg32_read(dev->ctrlp + SSD_BB_THRESHOLD_L1_REG); | |
7051 | if (0xffffffffull == acc->threshold_l1) { | |
7052 | return -EIO; | |
7053 | } | |
7054 | acc->threshold_l2 = ssd_reg32_read(dev->ctrlp + SSD_BB_THRESHOLD_L2_REG); | |
7055 | if (0xffffffffull == acc->threshold_l2) { | |
7056 | return -EIO; | |
7057 | } | |
7058 | acc->val = 0; | |
7059 | ||
7060 | for (ctrl=0; ctrl<dev->hw_info.nr_ctrl; ctrl++) { | |
7061 | for (chip=0; chip<dev->hw_info.nr_chip; chip++) { | |
7062 | val = ssd_reg32_read(dev->ctrlp + SSD_BB_ACC_REG0 + (SSD_CTRL_REG_ZONE_SZ * ctrl) + (SSD_BB_ACC_REG_SZ * chip)); | |
7063 | if (0xffffffffull == acc->val) { | |
7064 | return -EIO; | |
7065 | } | |
7066 | if (val > acc->val) { | |
7067 | acc->val = val; | |
7068 | } | |
7069 | } | |
7070 | } | |
7071 | ||
7072 | return 0; | |
7073 | } | |
7074 | ||
7075 | static int ssd_ec_acc(struct ssd_device *dev, struct ssd_acc_info *acc) | |
7076 | { | |
7077 | uint32_t val; | |
7078 | int ctrl, chip; | |
7079 | ||
7080 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) { | |
7081 | return -EOPNOTSUPP; | |
7082 | } | |
7083 | ||
7084 | acc->threshold_l1 = ssd_reg32_read(dev->ctrlp + SSD_EC_THRESHOLD_L1_REG); | |
7085 | if (0xffffffffull == acc->threshold_l1) { | |
7086 | return -EIO; | |
7087 | } | |
7088 | acc->threshold_l2 = ssd_reg32_read(dev->ctrlp + SSD_EC_THRESHOLD_L2_REG); | |
7089 | if (0xffffffffull == acc->threshold_l2) { | |
7090 | return -EIO; | |
7091 | } | |
7092 | acc->val = 0; | |
7093 | ||
7094 | for (ctrl=0; ctrl<dev->hw_info.nr_ctrl; ctrl++) { | |
7095 | for (chip=0; chip<dev->hw_info.nr_chip; chip++) { | |
7096 | val = ssd_reg32_read(dev->ctrlp + SSD_EC_ACC_REG0 + (SSD_CTRL_REG_ZONE_SZ * ctrl) + (SSD_EC_ACC_REG_SZ * chip)); | |
7097 | if (0xffffffffull == acc->val) { | |
7098 | return -EIO; | |
7099 | } | |
7100 | ||
7101 | if (val > acc->val) { | |
7102 | acc->val = val; | |
7103 | } | |
7104 | } | |
7105 | } | |
7106 | ||
7107 | return 0; | |
7108 | } | |
7109 | ||
7110 | ||
7111 | /* ram r&w */ | |
7112 | static int ssd_ram_read_4k(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx) | |
7113 | { | |
7114 | struct ssd_ram_op_msg *msg; | |
7115 | dma_addr_t buf_dma; | |
7116 | size_t len = length; | |
7117 | loff_t ofs_w = ofs; | |
7118 | int ret = 0; | |
7119 | ||
7120 | if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size | |
7121 | || !length || length > dev->hw_info.ram_max_len | |
7122 | || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) { | |
7123 | return -EINVAL; | |
7124 | } | |
7125 | ||
7126 | len /= dev->hw_info.ram_align; | |
7127 | do_div(ofs_w, dev->hw_info.ram_align); | |
7128 | ||
7129 | buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE); | |
7130 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
7131 | ret = dma_mapping_error(buf_dma); | |
7132 | #else | |
7133 | ret = dma_mapping_error(&(dev->pdev->dev), buf_dma); | |
7134 | #endif | |
7135 | if (ret) { | |
7136 | hio_warn("%s: unable to map read DMA buffer\n", dev->name); | |
7137 | goto out_dma_mapping; | |
7138 | } | |
7139 | ||
7140 | msg = (struct ssd_ram_op_msg *)ssd_get_dmsg(dev); | |
7141 | ||
7142 | msg->fun = SSD_FUNC_RAM_READ; | |
7143 | msg->ctrl_idx = ctrl_idx; | |
7144 | msg->start = (uint32_t)ofs_w; | |
7145 | msg->length = len; | |
7146 | msg->buf = buf_dma; | |
7147 | ||
7148 | ret = ssd_do_request(dev, READ, msg, NULL); | |
7149 | ssd_put_dmsg(msg); | |
7150 | ||
7151 | pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE); | |
7152 | ||
7153 | out_dma_mapping: | |
7154 | return ret; | |
7155 | } | |
7156 | ||
7157 | static int ssd_ram_write_4k(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx) | |
7158 | { | |
7159 | struct ssd_ram_op_msg *msg; | |
7160 | dma_addr_t buf_dma; | |
7161 | size_t len = length; | |
7162 | loff_t ofs_w = ofs; | |
7163 | int ret = 0; | |
7164 | ||
7165 | if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size | |
7166 | || !length || length > dev->hw_info.ram_max_len | |
7167 | || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) { | |
7168 | return -EINVAL; | |
7169 | } | |
7170 | ||
7171 | len /= dev->hw_info.ram_align; | |
7172 | do_div(ofs_w, dev->hw_info.ram_align); | |
7173 | ||
7174 | buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_TODEVICE); | |
7175 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
7176 | ret = dma_mapping_error(buf_dma); | |
7177 | #else | |
7178 | ret = dma_mapping_error(&(dev->pdev->dev), buf_dma); | |
7179 | #endif | |
7180 | if (ret) { | |
7181 | hio_warn("%s: unable to map write DMA buffer\n", dev->name); | |
7182 | goto out_dma_mapping; | |
7183 | } | |
7184 | ||
7185 | msg = (struct ssd_ram_op_msg *)ssd_get_dmsg(dev); | |
7186 | ||
7187 | msg->fun = SSD_FUNC_RAM_WRITE; | |
7188 | msg->ctrl_idx = ctrl_idx; | |
7189 | msg->start = (uint32_t)ofs_w; | |
7190 | msg->length = len; | |
7191 | msg->buf = buf_dma; | |
7192 | ||
7193 | ret = ssd_do_request(dev, WRITE, msg, NULL); | |
7194 | ssd_put_dmsg(msg); | |
7195 | ||
7196 | pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_TODEVICE); | |
7197 | ||
7198 | out_dma_mapping: | |
7199 | return ret; | |
7200 | ||
7201 | } | |
7202 | ||
7203 | static int ssd_ram_read(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx) | |
7204 | { | |
7205 | int left = length; | |
7206 | size_t len; | |
7207 | loff_t off = ofs; | |
7208 | int ret = 0; | |
7209 | ||
7210 | if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size || !length | |
7211 | || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) { | |
7212 | return -EINVAL; | |
7213 | } | |
7214 | ||
7215 | while (left > 0) { | |
7216 | len = dev->hw_info.ram_max_len; | |
7217 | if (left < (int)dev->hw_info.ram_max_len) { | |
7218 | len = left; | |
7219 | } | |
7220 | ||
7221 | ret = ssd_ram_read_4k(dev, buf, len, off, ctrl_idx); | |
7222 | if (ret) { | |
7223 | break; | |
7224 | } | |
7225 | ||
7226 | left -= len; | |
7227 | off += len; | |
7228 | buf += len; | |
7229 | } | |
7230 | ||
7231 | return ret; | |
7232 | } | |
7233 | ||
7234 | static int ssd_ram_write(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx) | |
7235 | { | |
7236 | int left = length; | |
7237 | size_t len; | |
7238 | loff_t off = ofs; | |
7239 | int ret = 0; | |
7240 | ||
7241 | if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size || !length | |
7242 | || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) { | |
7243 | return -EINVAL; | |
7244 | } | |
7245 | ||
7246 | while (left > 0) { | |
7247 | len = dev->hw_info.ram_max_len; | |
7248 | if (left < (int)dev->hw_info.ram_max_len) { | |
7249 | len = left; | |
7250 | } | |
7251 | ||
7252 | ret = ssd_ram_write_4k(dev, buf, len, off, ctrl_idx); | |
7253 | if (ret) { | |
7254 | break; | |
7255 | } | |
7256 | ||
7257 | left -= len; | |
7258 | off += len; | |
7259 | buf += len; | |
7260 | } | |
7261 | ||
7262 | return ret; | |
7263 | } | |
7264 | ||
7265 | ||
7266 | /* flash op */ | |
7267 | static int ssd_check_flash(struct ssd_device *dev, int flash, int page, int ctrl_idx) | |
7268 | { | |
7269 | int cur_ch = flash % dev->hw_info.max_ch; | |
7270 | int cur_chip = flash /dev->hw_info.max_ch; | |
7271 | ||
7272 | if (ctrl_idx >= dev->hw_info.nr_ctrl) { | |
7273 | return -EINVAL; | |
7274 | } | |
7275 | ||
7276 | if (cur_ch >= dev->hw_info.nr_ch || cur_chip >= dev->hw_info.nr_chip) { | |
7277 | return -EINVAL; | |
7278 | } | |
7279 | ||
7280 | if (page >= (int)(dev->hw_info.block_count * dev->hw_info.page_count)) { | |
7281 | return -EINVAL; | |
7282 | } | |
7283 | return 0; | |
7284 | } | |
7285 | ||
7286 | static int ssd_nand_read_id(struct ssd_device *dev, void *id, int flash, int chip, int ctrl_idx) | |
7287 | { | |
7288 | struct ssd_nand_op_msg *msg; | |
7289 | dma_addr_t buf_dma; | |
7290 | int ret = 0; | |
7291 | ||
7292 | if (unlikely(!id)) | |
7293 | return -EINVAL; | |
7294 | ||
7295 | buf_dma = pci_map_single(dev->pdev, id, SSD_NAND_ID_BUFF_SZ, PCI_DMA_FROMDEVICE); | |
7296 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
7297 | ret = dma_mapping_error(buf_dma); | |
7298 | #else | |
7299 | ret = dma_mapping_error(&(dev->pdev->dev), buf_dma); | |
7300 | #endif | |
7301 | if (ret) { | |
7302 | hio_warn("%s: unable to map read DMA buffer\n", dev->name); | |
7303 | goto out_dma_mapping; | |
7304 | } | |
7305 | ||
7306 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7307 | flash = ((uint32_t)flash << 1) | (uint32_t)chip; | |
7308 | chip = 0; | |
7309 | } | |
7310 | ||
7311 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7312 | ||
7313 | msg->fun = SSD_FUNC_NAND_READ_ID; | |
7314 | msg->chip_no = flash; | |
7315 | msg->chip_ce = chip; | |
7316 | msg->ctrl_idx = ctrl_idx; | |
7317 | msg->buf = buf_dma; | |
7318 | ||
7319 | ret = ssd_do_request(dev, READ, msg, NULL); | |
7320 | ssd_put_dmsg(msg); | |
7321 | ||
7322 | pci_unmap_single(dev->pdev, buf_dma, SSD_NAND_ID_BUFF_SZ, PCI_DMA_FROMDEVICE); | |
7323 | ||
7324 | out_dma_mapping: | |
7325 | return ret; | |
7326 | } | |
7327 | ||
7328 | #if 0 | |
7329 | static int ssd_nand_read(struct ssd_device *dev, void *buf, | |
7330 | int flash, int chip, int page, int page_count, int ctrl_idx) | |
7331 | { | |
7332 | struct ssd_nand_op_msg *msg; | |
7333 | dma_addr_t buf_dma; | |
7334 | int length; | |
7335 | int ret = 0; | |
7336 | ||
7337 | if (!buf) { | |
7338 | return -EINVAL; | |
7339 | } | |
7340 | ||
7341 | if ((page + page_count) > dev->hw_info.block_count*dev->hw_info.page_count) { | |
7342 | return -EINVAL; | |
7343 | } | |
7344 | ||
7345 | ret = ssd_check_flash(dev, flash, page, ctrl_idx); | |
7346 | if (ret) { | |
7347 | return ret; | |
7348 | } | |
7349 | ||
7350 | length = page_count * dev->hw_info.page_size; | |
7351 | ||
7352 | buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE); | |
7353 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
7354 | ret = dma_mapping_error(buf_dma); | |
7355 | #else | |
7356 | ret = dma_mapping_error(&(dev->pdev->dev), buf_dma); | |
7357 | #endif | |
7358 | if (ret) { | |
7359 | hio_warn("%s: unable to map read DMA buffer\n", dev->name); | |
7360 | goto out_dma_mapping; | |
7361 | } | |
7362 | ||
7363 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7364 | flash = (flash << 1) | chip; | |
7365 | chip = 0; | |
7366 | } | |
7367 | ||
7368 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7369 | ||
7370 | msg->fun = SSD_FUNC_NAND_READ; | |
7371 | msg->ctrl_idx = ctrl_idx; | |
7372 | msg->chip_no = flash; | |
7373 | msg->chip_ce = chip; | |
7374 | msg->page_no = page; | |
7375 | msg->page_count = page_count; | |
7376 | msg->buf = buf_dma; | |
7377 | ||
7378 | ret = ssd_do_request(dev, READ, msg, NULL); | |
7379 | ssd_put_dmsg(msg); | |
7380 | ||
7381 | pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE); | |
7382 | ||
7383 | out_dma_mapping: | |
7384 | return ret; | |
7385 | } | |
7386 | #endif | |
7387 | ||
7388 | static int ssd_nand_read_w_oob(struct ssd_device *dev, void *buf, | |
7389 | int flash, int chip, int page, int count, int ctrl_idx) | |
7390 | { | |
7391 | struct ssd_nand_op_msg *msg; | |
7392 | dma_addr_t buf_dma; | |
7393 | int length; | |
7394 | int ret = 0; | |
7395 | ||
7396 | if (!buf) { | |
7397 | return -EINVAL; | |
7398 | } | |
7399 | ||
7400 | if ((page + count) > (int)(dev->hw_info.block_count * dev->hw_info.page_count)) { | |
7401 | return -EINVAL; | |
7402 | } | |
7403 | ||
7404 | ret = ssd_check_flash(dev, flash, page, ctrl_idx); | |
7405 | if (ret) { | |
7406 | return ret; | |
7407 | } | |
7408 | ||
7409 | length = count * (dev->hw_info.page_size + dev->hw_info.oob_size); | |
7410 | ||
7411 | buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE); | |
7412 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
7413 | ret = dma_mapping_error(buf_dma); | |
7414 | #else | |
7415 | ret = dma_mapping_error(&(dev->pdev->dev), buf_dma); | |
7416 | #endif | |
7417 | if (ret) { | |
7418 | hio_warn("%s: unable to map read DMA buffer\n", dev->name); | |
7419 | goto out_dma_mapping; | |
7420 | } | |
7421 | ||
7422 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7423 | flash = ((uint32_t)flash << 1) | (uint32_t)chip; | |
7424 | chip = 0; | |
7425 | } | |
7426 | ||
7427 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7428 | ||
7429 | msg->fun = SSD_FUNC_NAND_READ_WOOB; | |
7430 | msg->ctrl_idx = ctrl_idx; | |
7431 | msg->chip_no = flash; | |
7432 | msg->chip_ce = chip; | |
7433 | msg->page_no = page; | |
7434 | msg->page_count = count; | |
7435 | msg->buf = buf_dma; | |
7436 | ||
7437 | ret = ssd_do_request(dev, READ, msg, NULL); | |
7438 | ssd_put_dmsg(msg); | |
7439 | ||
7440 | pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE); | |
7441 | ||
7442 | out_dma_mapping: | |
7443 | return ret; | |
7444 | } | |
7445 | ||
7446 | /* write 1 page */ | |
7447 | static int ssd_nand_write(struct ssd_device *dev, void *buf, | |
7448 | int flash, int chip, int page, int count, int ctrl_idx) | |
7449 | { | |
7450 | struct ssd_nand_op_msg *msg; | |
7451 | dma_addr_t buf_dma; | |
7452 | int length; | |
7453 | int ret = 0; | |
7454 | ||
7455 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7456 | return -EINVAL; | |
7457 | } | |
7458 | ||
7459 | if (!buf) { | |
7460 | return -EINVAL; | |
7461 | } | |
7462 | ||
7463 | if (count != 1) { | |
7464 | return -EINVAL; | |
7465 | } | |
7466 | ||
7467 | ret = ssd_check_flash(dev, flash, page, ctrl_idx); | |
7468 | if (ret) { | |
7469 | return ret; | |
7470 | } | |
7471 | ||
7472 | length = count * (dev->hw_info.page_size + dev->hw_info.oob_size); | |
7473 | ||
7474 | /* write data to ram */ | |
7475 | /*ret = ssd_ram_write(dev, buf, length, dev->hw_info.nand_wbuff_base, ctrl_idx); | |
7476 | if (ret) { | |
7477 | return ret; | |
7478 | }*/ | |
7479 | ||
7480 | buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_TODEVICE); | |
7481 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
7482 | ret = dma_mapping_error(buf_dma); | |
7483 | #else | |
7484 | ret = dma_mapping_error(&(dev->pdev->dev), buf_dma); | |
7485 | #endif | |
7486 | if (ret) { | |
7487 | hio_warn("%s: unable to map write DMA buffer\n", dev->name); | |
7488 | goto out_dma_mapping; | |
7489 | } | |
7490 | ||
7491 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7492 | flash = ((uint32_t)flash << 1) | (uint32_t)chip; | |
7493 | chip = 0; | |
7494 | } | |
7495 | ||
7496 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7497 | ||
7498 | msg->fun = SSD_FUNC_NAND_WRITE; | |
7499 | msg->ctrl_idx = ctrl_idx; | |
7500 | msg->chip_no = flash; | |
7501 | msg->chip_ce = chip; | |
7502 | ||
7503 | msg->page_no = page; | |
7504 | msg->page_count = count; | |
7505 | msg->buf = buf_dma; | |
7506 | ||
7507 | ret = ssd_do_request(dev, WRITE, msg, NULL); | |
7508 | ssd_put_dmsg(msg); | |
7509 | ||
7510 | pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_TODEVICE); | |
7511 | ||
7512 | out_dma_mapping: | |
7513 | return ret; | |
7514 | } | |
7515 | ||
7516 | static int ssd_nand_erase(struct ssd_device *dev, int flash, int chip, int page, int ctrl_idx) | |
7517 | { | |
7518 | struct ssd_nand_op_msg *msg; | |
7519 | int ret = 0; | |
7520 | ||
7521 | ret = ssd_check_flash(dev, flash, page, ctrl_idx); | |
7522 | if (ret) { | |
7523 | return ret; | |
7524 | } | |
7525 | ||
7526 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7527 | flash = ((uint32_t)flash << 1) | (uint32_t)chip; | |
7528 | chip = 0; | |
7529 | } | |
7530 | ||
7531 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7532 | ||
7533 | msg->fun = SSD_FUNC_NAND_ERASE; | |
7534 | msg->ctrl_idx = ctrl_idx; | |
7535 | msg->chip_no = flash; | |
7536 | msg->chip_ce = chip; | |
7537 | msg->page_no = page; | |
7538 | ||
7539 | ret = ssd_do_request(dev, WRITE, msg, NULL); | |
7540 | ssd_put_dmsg(msg); | |
7541 | ||
7542 | return ret; | |
7543 | } | |
7544 | ||
7545 | static int ssd_update_bbt(struct ssd_device *dev, int flash, int ctrl_idx) | |
7546 | { | |
7547 | struct ssd_nand_op_msg *msg; | |
7548 | struct ssd_flush_msg *fmsg; | |
7549 | int ret = 0; | |
7550 | ||
7551 | ret = ssd_check_flash(dev, flash, 0, ctrl_idx); | |
7552 | if (ret) { | |
7553 | return ret; | |
7554 | } | |
7555 | ||
7556 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7557 | ||
7558 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7559 | fmsg = (struct ssd_flush_msg *)msg; | |
7560 | ||
7561 | fmsg->fun = SSD_FUNC_FLUSH; | |
7562 | fmsg->flag = 0x1; | |
7563 | fmsg->flash = flash; | |
7564 | fmsg->ctrl_idx = ctrl_idx; | |
7565 | } else { | |
7566 | msg->fun = SSD_FUNC_FLUSH; | |
7567 | msg->flag = 0x1; | |
7568 | msg->chip_no = flash; | |
7569 | msg->ctrl_idx = ctrl_idx; | |
7570 | } | |
7571 | ||
7572 | ret = ssd_do_request(dev, WRITE, msg, NULL); | |
7573 | ssd_put_dmsg(msg); | |
7574 | ||
7575 | return ret; | |
7576 | } | |
7577 | ||
7578 | /* flash controller init state */ | |
7579 | static int __ssd_check_init_state(struct ssd_device *dev) | |
7580 | { | |
7581 | uint32_t *init_state = NULL; | |
7582 | int reg_base, reg_sz; | |
7583 | int max_wait = SSD_INIT_MAX_WAIT; | |
7584 | int init_wait = 0; | |
7585 | int i, j, k; | |
7586 | int ch_start = 0; | |
7587 | ||
7588 | /* | |
7589 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
7590 | ssd_reg32_write(dev->ctrlp + SSD_CTRL_TEST_REG0 + i * 8, test_data); | |
7591 | read_data = ssd_reg32_read(dev->ctrlp + SSD_CTRL_TEST_REG0 + i * 8); | |
7592 | if (read_data == ~test_data) { | |
7593 | //dev->hw_info.nr_ctrl++; | |
7594 | dev->hw_info.nr_ctrl_map |= 1<<i; | |
7595 | } | |
7596 | } | |
7597 | */ | |
7598 | ||
7599 | /* | |
7600 | read_data = ssd_reg32_read(dev->ctrlp + SSD_READY_REG); | |
7601 | j=0; | |
7602 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
7603 | if (((read_data>>i) & 0x1) == 0) { | |
7604 | j++; | |
7605 | } | |
7606 | } | |
7607 | ||
7608 | if (dev->hw_info.nr_ctrl != j) { | |
7609 | printk(KERN_WARNING "%s: nr_ctrl mismatch: %d %d\n", dev->name, dev->hw_info.nr_ctrl, j); | |
7610 | return -1; | |
7611 | } | |
7612 | */ | |
7613 | ||
7614 | /* | |
7615 | init_state = ssd_reg_read(dev->ctrlp + SSD_FLASH_INFO_REG0); | |
7616 | for (j=1; j<dev->hw_info.nr_ctrl;j++) { | |
7617 | if (init_state != ssd_reg_read(dev->ctrlp + SSD_FLASH_INFO_REG0 + j*8)) { | |
7618 | printk(KERN_WARNING "SSD_FLASH_INFO_REG[%d], not match\n", j); | |
7619 | return -1; | |
7620 | } | |
7621 | } | |
7622 | */ | |
7623 | ||
7624 | /* init_state = ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0); | |
7625 | for (j=1; j<dev->hw_info.nr_ctrl; j++) { | |
7626 | if (init_state != ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0 + j*16)) { | |
7627 | printk(KERN_WARNING "SSD_CHIP_INFO_REG Lo [%d], not match\n", j); | |
7628 | return -1; | |
7629 | } | |
7630 | } | |
7631 | ||
7632 | init_state = ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0 + 8); | |
7633 | for (j=1; j<dev->hw_info.nr_ctrl; j++) { | |
7634 | if (init_state != ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0 + 8 + j*16)) { | |
7635 | printk(KERN_WARNING "SSD_CHIP_INFO_REG Hi [%d], not match\n", j); | |
7636 | return -1; | |
7637 | } | |
7638 | } | |
7639 | */ | |
7640 | ||
7641 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
7642 | max_wait = SSD_INIT_MAX_WAIT_V3_2; | |
7643 | } | |
7644 | ||
7645 | reg_base = dev->protocol_info.init_state_reg; | |
7646 | reg_sz = dev->protocol_info.init_state_reg_sz; | |
7647 | ||
7648 | init_state = (uint32_t *)kmalloc(reg_sz, GFP_KERNEL); | |
7649 | if (!init_state) { | |
7650 | return -ENOMEM; | |
7651 | } | |
7652 | ||
7653 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
7654 | check_init: | |
7655 | for (j=0, k=0; j<reg_sz; j+=sizeof(uint32_t), k++) { | |
7656 | init_state[k] = ssd_reg32_read(dev->ctrlp + reg_base + j); | |
7657 | } | |
7658 | ||
7659 | if (dev->protocol_info.ver > SSD_PROTOCOL_V3) { | |
7660 | /* just check the last bit, no need to check all channel */ | |
7661 | ch_start = dev->hw_info.max_ch - 1; | |
7662 | } else { | |
7663 | ch_start = 0; | |
7664 | } | |
7665 | ||
7666 | for (j=0; j<dev->hw_info.nr_chip; j++) { | |
7667 | for (k=ch_start; k<dev->hw_info.max_ch; k++) { | |
7668 | if (test_bit((j*dev->hw_info.max_ch + k), (void *)init_state)) { | |
7669 | continue; | |
7670 | } | |
7671 | ||
7672 | init_wait++; | |
7673 | if (init_wait <= max_wait) { | |
7674 | msleep(SSD_INIT_WAIT); | |
7675 | goto check_init; | |
7676 | } else { | |
7677 | if (k < dev->hw_info.nr_ch) { | |
7678 | hio_warn("%s: controller %d chip %d ch %d init failed\n", | |
7679 | dev->name, i, j, k); | |
7680 | } else { | |
7681 | hio_warn("%s: controller %d chip %d init failed\n", | |
7682 | dev->name, i, j); | |
7683 | } | |
7684 | ||
7685 | kfree(init_state); | |
7686 | return -1; | |
7687 | } | |
7688 | } | |
7689 | } | |
7690 | reg_base += reg_sz; | |
7691 | } | |
7692 | //printk(KERN_WARNING "%s: init wait %d\n", dev->name, init_wait); | |
7693 | ||
7694 | kfree(init_state); | |
7695 | return 0; | |
7696 | } | |
7697 | ||
7698 | static int ssd_check_init_state(struct ssd_device *dev) | |
7699 | { | |
7700 | if (mode != SSD_DRV_MODE_STANDARD) { | |
7701 | return 0; | |
7702 | } | |
7703 | ||
7704 | return __ssd_check_init_state(dev); | |
7705 | } | |
7706 | ||
7707 | static void ssd_reset_resp_ptr(struct ssd_device *dev); | |
7708 | ||
7709 | /* reset flash controller etc */ | |
7710 | static int __ssd_reset(struct ssd_device *dev, int type) | |
7711 | { | |
7712 | if (type < SSD_RST_NOINIT || type > SSD_RST_FULL) { | |
7713 | return -EINVAL; | |
7714 | } | |
7715 | ||
7716 | mutex_lock(&dev->fw_mutex); | |
7717 | ||
7718 | if (type == SSD_RST_NOINIT) { //no init | |
7719 | ssd_reg32_write(dev->ctrlp + SSD_RESET_REG, SSD_RESET_NOINIT); | |
7720 | } else if (type == SSD_RST_NORMAL) { //reset & init | |
7721 | ssd_reg32_write(dev->ctrlp + SSD_RESET_REG, SSD_RESET); | |
7722 | } else { // full reset | |
7723 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
7724 | mutex_unlock(&dev->fw_mutex); | |
7725 | return -EINVAL; | |
7726 | } | |
7727 | ||
7728 | ssd_reg32_write(dev->ctrlp + SSD_FULL_RESET_REG, SSD_RESET_FULL); | |
7729 | ||
7730 | /* ?? */ | |
7731 | ssd_reset_resp_ptr(dev); | |
7732 | } | |
7733 | ||
7734 | #ifdef SSD_OT_PROTECT | |
7735 | dev->ot_delay = 0; | |
7736 | #endif | |
7737 | ||
7738 | msleep(1000); | |
7739 | ||
7740 | /* xx */ | |
7741 | ssd_set_flush_timeout(dev, dev->wmode); | |
7742 | ||
7743 | mutex_unlock(&dev->fw_mutex); | |
7744 | ssd_gen_swlog(dev, SSD_LOG_RESET, (uint32_t)type); | |
7745 | ||
7746 | return __ssd_check_init_state(dev); | |
7747 | } | |
7748 | ||
7749 | static int ssd_save_md(struct ssd_device *dev) | |
7750 | { | |
7751 | struct ssd_nand_op_msg *msg; | |
7752 | int ret = 0; | |
7753 | ||
7754 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
7755 | return 0; | |
7756 | ||
7757 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
7758 | return 0; | |
7759 | } | |
7760 | ||
7761 | if (!dev->save_md) { | |
7762 | return 0; | |
7763 | } | |
7764 | ||
7765 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7766 | ||
7767 | msg->fun = SSD_FUNC_FLUSH; | |
7768 | msg->flag = 0x2; | |
7769 | msg->ctrl_idx = 0; | |
7770 | msg->chip_no = 0; | |
7771 | ||
7772 | ret = ssd_do_request(dev, WRITE, msg, NULL); | |
7773 | ssd_put_dmsg(msg); | |
7774 | ||
7775 | return ret; | |
7776 | } | |
7777 | ||
7778 | static int ssd_barrier_save_md(struct ssd_device *dev) | |
7779 | { | |
7780 | struct ssd_nand_op_msg *msg; | |
7781 | int ret = 0; | |
7782 | ||
7783 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
7784 | return 0; | |
7785 | ||
7786 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
7787 | return 0; | |
7788 | } | |
7789 | ||
7790 | if (!dev->save_md) { | |
7791 | return 0; | |
7792 | } | |
7793 | ||
7794 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7795 | ||
7796 | msg->fun = SSD_FUNC_FLUSH; | |
7797 | msg->flag = 0x2; | |
7798 | msg->ctrl_idx = 0; | |
7799 | msg->chip_no = 0; | |
7800 | ||
7801 | ret = ssd_do_barrier_request(dev, WRITE, msg, NULL); | |
7802 | ssd_put_dmsg(msg); | |
7803 | ||
7804 | return ret; | |
7805 | } | |
7806 | ||
7807 | static int ssd_flush(struct ssd_device *dev) | |
7808 | { | |
7809 | struct ssd_nand_op_msg *msg; | |
7810 | struct ssd_flush_msg *fmsg; | |
7811 | int ret = 0; | |
7812 | ||
7813 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
7814 | return 0; | |
7815 | ||
7816 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7817 | ||
7818 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7819 | fmsg = (struct ssd_flush_msg *)msg; | |
7820 | ||
7821 | fmsg->fun = SSD_FUNC_FLUSH; | |
7822 | fmsg->flag = 0; | |
7823 | fmsg->ctrl_idx = 0; | |
7824 | fmsg->flash = 0; | |
7825 | } else { | |
7826 | msg->fun = SSD_FUNC_FLUSH; | |
7827 | msg->flag = 0; | |
7828 | msg->ctrl_idx = 0; | |
7829 | msg->chip_no = 0; | |
7830 | } | |
7831 | ||
7832 | ret = ssd_do_request(dev, WRITE, msg, NULL); | |
7833 | ssd_put_dmsg(msg); | |
7834 | ||
7835 | return ret; | |
7836 | } | |
7837 | ||
7838 | static int ssd_barrier_flush(struct ssd_device *dev) | |
7839 | { | |
7840 | struct ssd_nand_op_msg *msg; | |
7841 | struct ssd_flush_msg *fmsg; | |
7842 | int ret = 0; | |
7843 | ||
7844 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
7845 | return 0; | |
7846 | ||
7847 | msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev); | |
7848 | ||
7849 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
7850 | fmsg = (struct ssd_flush_msg *)msg; | |
7851 | ||
7852 | fmsg->fun = SSD_FUNC_FLUSH; | |
7853 | fmsg->flag = 0; | |
7854 | fmsg->ctrl_idx = 0; | |
7855 | fmsg->flash = 0; | |
7856 | } else { | |
7857 | msg->fun = SSD_FUNC_FLUSH; | |
7858 | msg->flag = 0; | |
7859 | msg->ctrl_idx = 0; | |
7860 | msg->chip_no = 0; | |
7861 | } | |
7862 | ||
7863 | ret = ssd_do_barrier_request(dev, WRITE, msg, NULL); | |
7864 | ssd_put_dmsg(msg); | |
7865 | ||
7866 | return ret; | |
7867 | } | |
7868 | ||
7869 | #define SSD_WMODE_BUFFER_TIMEOUT 0x00c82710 | |
7870 | #define SSD_WMODE_BUFFER_EX_TIMEOUT 0x000500c8 | |
7871 | #define SSD_WMODE_FUA_TIMEOUT 0x000503E8 | |
7872 | static void ssd_set_flush_timeout(struct ssd_device *dev, int m) | |
7873 | { | |
7874 | uint32_t to; | |
7875 | uint32_t val = 0; | |
7876 | ||
7877 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) { | |
7878 | return; | |
7879 | } | |
7880 | ||
7881 | switch(m) { | |
7882 | case SSD_WMODE_BUFFER: | |
7883 | to = SSD_WMODE_BUFFER_TIMEOUT; | |
7884 | break; | |
7885 | case SSD_WMODE_BUFFER_EX: | |
7886 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2_1) { | |
7887 | to = SSD_WMODE_BUFFER_EX_TIMEOUT; | |
7888 | } else { | |
7889 | to = SSD_WMODE_BUFFER_TIMEOUT; | |
7890 | } | |
7891 | break; | |
7892 | case SSD_WMODE_FUA: | |
7893 | to = SSD_WMODE_FUA_TIMEOUT; | |
7894 | break; | |
7895 | default: | |
7896 | return; | |
7897 | } | |
7898 | ||
7899 | val = (((uint32_t)((uint32_t)m & 0x3) << 28) | to); | |
7900 | ||
7901 | ssd_reg32_write(dev->ctrlp + SSD_FLUSH_TIMEOUT_REG, val); | |
7902 | } | |
7903 | ||
7904 | static int ssd_do_switch_wmode(struct ssd_device *dev, int m) | |
7905 | { | |
7906 | int ret = 0; | |
7907 | ||
7908 | ret = ssd_barrier_start(dev); | |
7909 | if (ret) { | |
7910 | goto out; | |
7911 | } | |
7912 | ||
7913 | ret = ssd_barrier_flush(dev); | |
7914 | if (ret) { | |
7915 | goto out_barrier_end; | |
7916 | } | |
7917 | ||
7918 | /* set contoller flush timeout */ | |
7919 | ssd_set_flush_timeout(dev, m); | |
7920 | ||
7921 | dev->wmode = m; | |
7922 | mb(); | |
7923 | ||
7924 | out_barrier_end: | |
7925 | ssd_barrier_end(dev); | |
7926 | out: | |
7927 | return ret; | |
7928 | } | |
7929 | ||
7930 | static int ssd_switch_wmode(struct ssd_device *dev, int m) | |
7931 | { | |
7932 | int default_wmode; | |
7933 | int next_wmode; | |
7934 | int ret = 0; | |
7935 | ||
7936 | if (!test_bit(SSD_ONLINE, &dev->state)) { | |
7937 | return -ENODEV; | |
7938 | } | |
7939 | ||
7940 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
7941 | default_wmode = SSD_WMODE_BUFFER; | |
7942 | } else { | |
7943 | default_wmode = SSD_WMODE_BUFFER_EX; | |
7944 | } | |
7945 | ||
7946 | if (SSD_WMODE_AUTO == m) { | |
7947 | /* battery fault ? */ | |
7948 | if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
7949 | next_wmode = SSD_WMODE_FUA; | |
7950 | } else { | |
7951 | next_wmode = default_wmode; | |
7952 | } | |
7953 | } else if (SSD_WMODE_DEFAULT == m) { | |
7954 | next_wmode = default_wmode; | |
7955 | } else { | |
7956 | next_wmode = m; | |
7957 | } | |
7958 | ||
7959 | if (next_wmode != dev->wmode) { | |
7960 | hio_warn("%s: switch write mode (%d -> %d)\n", dev->name, dev->wmode, next_wmode); | |
7961 | ret = ssd_do_switch_wmode(dev, next_wmode); | |
7962 | if (ret) { | |
7963 | hio_err("%s: can not switch write mode (%d -> %d)\n", dev->name, dev->wmode, next_wmode); | |
7964 | } | |
7965 | } | |
7966 | ||
7967 | return ret; | |
7968 | } | |
7969 | ||
7970 | static int ssd_init_wmode(struct ssd_device *dev) | |
7971 | { | |
7972 | int default_wmode; | |
7973 | int ret = 0; | |
7974 | ||
7975 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
7976 | default_wmode = SSD_WMODE_BUFFER; | |
7977 | } else { | |
7978 | default_wmode = SSD_WMODE_BUFFER_EX; | |
7979 | } | |
7980 | ||
7981 | /* dummy mode */ | |
7982 | if (SSD_WMODE_AUTO == dev->user_wmode) { | |
7983 | /* battery fault ? */ | |
7984 | if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
7985 | dev->wmode = SSD_WMODE_FUA; | |
7986 | } else { | |
7987 | dev->wmode = default_wmode; | |
7988 | } | |
7989 | } else if (SSD_WMODE_DEFAULT == dev->user_wmode) { | |
7990 | dev->wmode = default_wmode; | |
7991 | } else { | |
7992 | dev->wmode = dev->user_wmode; | |
7993 | } | |
7994 | ssd_set_flush_timeout(dev, dev->wmode); | |
7995 | ||
7996 | return ret; | |
7997 | } | |
7998 | ||
7999 | static int __ssd_set_wmode(struct ssd_device *dev, int m) | |
8000 | { | |
8001 | int ret = 0; | |
8002 | ||
8003 | /* not support old fw*/ | |
8004 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) { | |
8005 | ret = -EOPNOTSUPP; | |
8006 | goto out; | |
8007 | } | |
8008 | ||
8009 | if (m < SSD_WMODE_BUFFER || m > SSD_WMODE_DEFAULT) { | |
8010 | ret = -EINVAL; | |
8011 | goto out; | |
8012 | } | |
8013 | ||
8014 | ssd_gen_swlog(dev, SSD_LOG_SET_WMODE, m); | |
8015 | ||
8016 | dev->user_wmode = m; | |
8017 | ||
8018 | ret = ssd_switch_wmode(dev, dev->user_wmode); | |
8019 | if (ret) { | |
8020 | goto out; | |
8021 | } | |
8022 | ||
8023 | out: | |
8024 | return ret; | |
8025 | } | |
8026 | ||
8027 | int ssd_set_wmode(struct block_device *bdev, int m) | |
8028 | { | |
8029 | struct ssd_device *dev; | |
8030 | ||
8031 | if (!bdev || !(bdev->bd_disk)) { | |
8032 | return -EINVAL; | |
8033 | } | |
8034 | ||
8035 | dev = bdev->bd_disk->private_data; | |
8036 | ||
8037 | return __ssd_set_wmode(dev, m); | |
8038 | } | |
8039 | ||
8040 | static int ssd_do_reset(struct ssd_device *dev) | |
8041 | { | |
8042 | int ret = 0; | |
8043 | ||
8044 | if (test_and_set_bit(SSD_RESETING, &dev->state)) { | |
8045 | return 0; | |
8046 | } | |
8047 | ||
8048 | ssd_stop_workq(dev); | |
8049 | ||
8050 | ret = ssd_barrier_start(dev); | |
8051 | if (ret) { | |
8052 | goto out; | |
8053 | } | |
8054 | ||
8055 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
8056 | /* old reset */ | |
8057 | ret = __ssd_reset(dev, SSD_RST_NORMAL); | |
8058 | } else { | |
8059 | /* full reset */ | |
8060 | //ret = __ssd_reset(dev, SSD_RST_FULL); | |
8061 | ret = __ssd_reset(dev, SSD_RST_NORMAL); | |
8062 | } | |
8063 | if (ret) { | |
8064 | goto out_barrier_end; | |
8065 | } | |
8066 | ||
8067 | out_barrier_end: | |
8068 | ssd_barrier_end(dev); | |
8069 | out: | |
8070 | ssd_start_workq(dev); | |
8071 | test_and_clear_bit(SSD_RESETING, &dev->state); | |
8072 | return ret; | |
8073 | } | |
8074 | ||
8075 | static int ssd_full_reset(struct ssd_device *dev) | |
8076 | { | |
8077 | int ret = 0; | |
8078 | ||
8079 | if (test_and_set_bit(SSD_RESETING, &dev->state)) { | |
8080 | return 0; | |
8081 | } | |
8082 | ||
8083 | ssd_stop_workq(dev); | |
8084 | ||
8085 | ret = ssd_barrier_start(dev); | |
8086 | if (ret) { | |
8087 | goto out; | |
8088 | } | |
8089 | ||
8090 | ret = ssd_barrier_flush(dev); | |
8091 | if (ret) { | |
8092 | goto out_barrier_end; | |
8093 | } | |
8094 | ||
8095 | ret = ssd_barrier_save_md(dev); | |
8096 | if (ret) { | |
8097 | goto out_barrier_end; | |
8098 | } | |
8099 | ||
8100 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
8101 | /* old reset */ | |
8102 | ret = __ssd_reset(dev, SSD_RST_NORMAL); | |
8103 | } else { | |
8104 | /* full reset */ | |
8105 | //ret = __ssd_reset(dev, SSD_RST_FULL); | |
8106 | ret = __ssd_reset(dev, SSD_RST_NORMAL); | |
8107 | } | |
8108 | if (ret) { | |
8109 | goto out_barrier_end; | |
8110 | } | |
8111 | ||
8112 | out_barrier_end: | |
8113 | ssd_barrier_end(dev); | |
8114 | out: | |
8115 | ssd_start_workq(dev); | |
8116 | test_and_clear_bit(SSD_RESETING, &dev->state); | |
8117 | return ret; | |
8118 | } | |
8119 | ||
8120 | int ssd_reset(struct block_device *bdev) | |
8121 | { | |
8122 | struct ssd_device *dev; | |
8123 | ||
8124 | if (!bdev || !(bdev->bd_disk)) { | |
8125 | return -EINVAL; | |
8126 | } | |
8127 | ||
8128 | dev = bdev->bd_disk->private_data; | |
8129 | ||
8130 | return ssd_full_reset(dev); | |
8131 | } | |
8132 | ||
8133 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
8134 | static int ssd_issue_flush_fn(struct request_queue *q, struct gendisk *disk, | |
8135 | sector_t *error_sector) | |
8136 | { | |
8137 | struct ssd_device *dev = q->queuedata; | |
8138 | ||
8139 | return ssd_flush(dev); | |
8140 | } | |
8141 | #endif | |
8142 | ||
8143 | void ssd_submit_pbio(struct request_queue *q, struct bio *bio) | |
8144 | { | |
8145 | struct ssd_device *dev = q->queuedata; | |
8146 | #ifdef SSD_QUEUE_PBIO | |
8147 | int ret = -EBUSY; | |
8148 | #endif | |
8149 | ||
8150 | if (!test_bit(SSD_ONLINE, &dev->state)) { | |
8151 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8152 | bio_endio(bio, -ENODEV); | |
8153 | #else | |
8154 | bio_endio(bio, bio->bi_size, -ENODEV); | |
8155 | #endif | |
8156 | goto out; | |
8157 | } | |
8158 | ||
8159 | #ifdef SSD_DEBUG_ERR | |
8160 | if (atomic_read(&dev->tocnt)) { | |
8161 | hio_warn("%s: IO rejected because of IO timeout!\n", dev->name); | |
8162 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8163 | bio_endio(bio, -EIO); | |
8164 | #else | |
8165 | bio_endio(bio, bio->bi_size, -EIO); | |
8166 | #endif | |
8167 | goto out; | |
8168 | } | |
8169 | #endif | |
8170 | ||
8171 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)) | |
8172 | if (unlikely(bio_barrier(bio))) { | |
8173 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8174 | bio_endio(bio, -EOPNOTSUPP); | |
8175 | #else | |
8176 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8177 | #endif | |
8178 | goto out; | |
8179 | } | |
8180 | #elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)) | |
8181 | if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { | |
8182 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8183 | bio_endio(bio, -EOPNOTSUPP); | |
8184 | #else | |
8185 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8186 | #endif | |
8187 | goto out; | |
8188 | } | |
8189 | #elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)) | |
8190 | if (unlikely(bio->bi_rw & REQ_HARDBARRIER)) { | |
8191 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8192 | bio_endio(bio, -EOPNOTSUPP); | |
8193 | #else | |
8194 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8195 | #endif | |
8196 | goto out; | |
8197 | } | |
8198 | #else | |
8199 | //xx | |
8200 | if (unlikely(bio->bi_rw & REQ_FUA)) { | |
8201 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8202 | bio_endio(bio, -EOPNOTSUPP); | |
8203 | #else | |
8204 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8205 | #endif | |
8206 | goto out; | |
8207 | } | |
8208 | #endif | |
8209 | ||
8210 | if (unlikely(dev->readonly && bio_data_dir(bio) == WRITE)) { | |
8211 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8212 | bio_endio(bio, -EROFS); | |
8213 | #else | |
8214 | bio_endio(bio, bio->bi_size, -EROFS); | |
8215 | #endif | |
8216 | goto out; | |
8217 | } | |
8218 | ||
8219 | #ifdef SSD_QUEUE_PBIO | |
8220 | if (0 == atomic_read(&dev->in_sendq)) { | |
8221 | ret = __ssd_submit_pbio(dev, bio, 0); | |
8222 | } | |
8223 | ||
8224 | if (ret) { | |
8225 | (void)test_and_set_bit(BIO_SSD_PBIO, &bio->bi_flags); | |
8226 | ssd_queue_bio(dev, bio); | |
8227 | } | |
8228 | #else | |
8229 | __ssd_submit_pbio(dev, bio, 1); | |
8230 | #endif | |
8231 | ||
8232 | out: | |
8233 | return; | |
8234 | } | |
8235 | ||
8236 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)) | |
8237 | static int ssd_make_request(struct request_queue *q, struct bio *bio) | |
8238 | #else | |
8239 | static void ssd_make_request(struct request_queue *q, struct bio *bio) | |
8240 | #endif | |
8241 | { | |
8242 | struct ssd_device *dev = q->queuedata; | |
8243 | int ret = -EBUSY; | |
8244 | ||
8245 | if (!test_bit(SSD_ONLINE, &dev->state)) { | |
8246 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8247 | bio_endio(bio, -ENODEV); | |
8248 | #else | |
8249 | bio_endio(bio, bio->bi_size, -ENODEV); | |
8250 | #endif | |
8251 | goto out; | |
8252 | } | |
8253 | ||
8254 | #ifdef SSD_DEBUG_ERR | |
8255 | if (atomic_read(&dev->tocnt)) { | |
8256 | hio_warn("%s: IO rejected because of IO timeout!\n", dev->name); | |
8257 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8258 | bio_endio(bio, -EIO); | |
8259 | #else | |
8260 | bio_endio(bio, bio->bi_size, -EIO); | |
8261 | #endif | |
8262 | goto out; | |
8263 | } | |
8264 | #endif | |
8265 | ||
8266 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)) | |
8267 | if (unlikely(bio_barrier(bio))) { | |
8268 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8269 | bio_endio(bio, -EOPNOTSUPP); | |
8270 | #else | |
8271 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8272 | #endif | |
8273 | goto out; | |
8274 | } | |
8275 | #elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)) | |
8276 | if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { | |
8277 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8278 | bio_endio(bio, -EOPNOTSUPP); | |
8279 | #else | |
8280 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8281 | #endif | |
8282 | goto out; | |
8283 | } | |
8284 | #elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)) | |
8285 | if (unlikely(bio->bi_rw & REQ_HARDBARRIER)) { | |
8286 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8287 | bio_endio(bio, -EOPNOTSUPP); | |
8288 | #else | |
8289 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8290 | #endif | |
8291 | goto out; | |
8292 | } | |
8293 | #else | |
8294 | //xx | |
8295 | if (unlikely(bio->bi_rw & REQ_FUA)) { | |
8296 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) | |
8297 | bio_endio(bio, -EOPNOTSUPP); | |
8298 | #else | |
8299 | bio_endio(bio, bio->bi_size, -EOPNOTSUPP); | |
8300 | #endif | |
8301 | goto out; | |
8302 | } | |
8303 | ||
8304 | /* writeback_cache_control.txt: REQ_FLUSH requests without data can be completed successfully without doing any work */ | |
8305 | if (unlikely((bio->bi_rw & REQ_FLUSH) && !bio_sectors(bio))) { | |
8306 | bio_endio(bio, 0); | |
8307 | goto out; | |
8308 | } | |
8309 | ||
8310 | #endif | |
8311 | ||
8312 | if (0 == atomic_read(&dev->in_sendq)) { | |
8313 | ret = ssd_submit_bio(dev, bio, 0); | |
8314 | } | |
8315 | ||
8316 | if (ret) { | |
8317 | ssd_queue_bio(dev, bio); | |
8318 | } | |
8319 | ||
8320 | out: | |
8321 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)) | |
8322 | return 0; | |
8323 | #else | |
8324 | return; | |
8325 | #endif | |
8326 | } | |
8327 | ||
8328 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)) | |
8329 | static int ssd_block_getgeo(struct block_device *bdev, struct hd_geometry *geo) | |
8330 | { | |
8331 | struct ssd_device *dev; | |
8332 | ||
8333 | if (!bdev) { | |
8334 | return -EINVAL; | |
8335 | } | |
8336 | ||
8337 | dev = bdev->bd_disk->private_data; | |
8338 | if (!dev) { | |
8339 | return -EINVAL; | |
8340 | } | |
8341 | ||
8342 | geo->heads = 4; | |
8343 | geo->sectors = 16; | |
8344 | geo->cylinders = (dev->hw_info.size & ~0x3f) >> 6; | |
8345 | return 0; | |
8346 | } | |
8347 | #endif | |
8348 | ||
8349 | static void ssd_cleanup_blkdev(struct ssd_device *dev); | |
8350 | static int ssd_init_blkdev(struct ssd_device *dev); | |
8351 | static int ssd_ioctl_common(struct ssd_device *dev, unsigned int cmd, unsigned long arg) | |
8352 | { | |
8353 | void __user *argp = (void __user *)arg; | |
8354 | void __user *buf = NULL; | |
8355 | void *kbuf = NULL; | |
8356 | int ret = 0; | |
8357 | ||
8358 | switch (cmd) { | |
8359 | case SSD_CMD_GET_PROTOCOL_INFO: | |
8360 | if (copy_to_user(argp, &dev->protocol_info, sizeof(struct ssd_protocol_info))) { | |
8361 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8362 | ret = -EFAULT; | |
8363 | break; | |
8364 | } | |
8365 | break; | |
8366 | ||
8367 | case SSD_CMD_GET_HW_INFO: | |
8368 | if (copy_to_user(argp, &dev->hw_info, sizeof(struct ssd_hw_info))) { | |
8369 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8370 | ret = -EFAULT; | |
8371 | break; | |
8372 | } | |
8373 | break; | |
8374 | ||
8375 | case SSD_CMD_GET_ROM_INFO: | |
8376 | if (copy_to_user(argp, &dev->rom_info, sizeof(struct ssd_rom_info))) { | |
8377 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8378 | ret = -EFAULT; | |
8379 | break; | |
8380 | } | |
8381 | break; | |
8382 | ||
8383 | case SSD_CMD_GET_SMART: { | |
8384 | struct ssd_smart smart; | |
8385 | int i; | |
8386 | ||
8387 | memcpy(&smart, &dev->smart, sizeof(struct ssd_smart)); | |
8388 | ||
8389 | mutex_lock(&dev->gd_mutex); | |
8390 | ssd_update_smart(dev, &smart); | |
8391 | mutex_unlock(&dev->gd_mutex); | |
8392 | ||
8393 | /* combine the volatile log info */ | |
8394 | if (dev->log_info.nr_log) { | |
8395 | for (i=0; i<SSD_LOG_NR_LEVEL; i++) { | |
8396 | smart.log_info.stat[i] += dev->log_info.stat[i]; | |
8397 | } | |
8398 | } | |
8399 | ||
8400 | if (copy_to_user(argp, &smart, sizeof(struct ssd_smart))) { | |
8401 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8402 | ret = -EFAULT; | |
8403 | break; | |
8404 | } | |
8405 | ||
8406 | break; | |
8407 | } | |
8408 | ||
8409 | case SSD_CMD_GET_IDX: | |
8410 | if (copy_to_user(argp, &dev->idx, sizeof(int))) { | |
8411 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8412 | ret = -EFAULT; | |
8413 | break; | |
8414 | } | |
8415 | break; | |
8416 | ||
8417 | case SSD_CMD_GET_AMOUNT: { | |
8418 | int nr_ssd = atomic_read(&ssd_nr); | |
8419 | if (copy_to_user(argp, &nr_ssd, sizeof(int))) { | |
8420 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8421 | ret = -EFAULT; | |
8422 | break; | |
8423 | } | |
8424 | break; | |
8425 | } | |
8426 | ||
8427 | case SSD_CMD_GET_TO_INFO: { | |
8428 | int tocnt = atomic_read(&dev->tocnt); | |
8429 | ||
8430 | if (copy_to_user(argp, &tocnt, sizeof(int))) { | |
8431 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8432 | ret = -EFAULT; | |
8433 | break; | |
8434 | } | |
8435 | break; | |
8436 | } | |
8437 | ||
8438 | case SSD_CMD_GET_DRV_VER: { | |
8439 | char ver[] = DRIVER_VERSION; | |
8440 | int len = sizeof(ver); | |
8441 | ||
8442 | if (len > (DRIVER_VERSION_LEN - 1)) { | |
8443 | len = (DRIVER_VERSION_LEN - 1); | |
8444 | } | |
8445 | if (copy_to_user(argp, ver, len)) { | |
8446 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8447 | ret = -EFAULT; | |
8448 | break; | |
8449 | } | |
8450 | break; | |
8451 | } | |
8452 | ||
8453 | case SSD_CMD_GET_BBACC_INFO: { | |
8454 | struct ssd_acc_info acc; | |
8455 | ||
8456 | mutex_lock(&dev->fw_mutex); | |
8457 | ret = ssd_bb_acc(dev, &acc); | |
8458 | mutex_unlock(&dev->fw_mutex); | |
8459 | if (ret) { | |
8460 | break; | |
8461 | } | |
8462 | ||
8463 | if (copy_to_user(argp, &acc, sizeof(struct ssd_acc_info))) { | |
8464 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8465 | ret = -EFAULT; | |
8466 | break; | |
8467 | } | |
8468 | break; | |
8469 | } | |
8470 | ||
8471 | case SSD_CMD_GET_ECACC_INFO: { | |
8472 | struct ssd_acc_info acc; | |
8473 | ||
8474 | mutex_lock(&dev->fw_mutex); | |
8475 | ret = ssd_ec_acc(dev, &acc); | |
8476 | mutex_unlock(&dev->fw_mutex); | |
8477 | if (ret) { | |
8478 | break; | |
8479 | } | |
8480 | ||
8481 | if (copy_to_user(argp, &acc, sizeof(struct ssd_acc_info))) { | |
8482 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8483 | ret = -EFAULT; | |
8484 | break; | |
8485 | } | |
8486 | break; | |
8487 | } | |
8488 | ||
8489 | case SSD_CMD_GET_HW_INFO_EXT: | |
8490 | if (copy_to_user(argp, &dev->hw_info_ext, sizeof(struct ssd_hw_info_extend))) { | |
8491 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8492 | ret = -EFAULT; | |
8493 | break; | |
8494 | } | |
8495 | break; | |
8496 | ||
8497 | case SSD_CMD_REG_READ: { | |
8498 | struct ssd_reg_op_info reg_info; | |
8499 | ||
8500 | if (copy_from_user(®_info, argp, sizeof(struct ssd_reg_op_info))) { | |
8501 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8502 | ret = -EFAULT; | |
8503 | break; | |
8504 | } | |
8505 | ||
8506 | if (reg_info.offset > dev->mmio_len-sizeof(uint32_t)) { | |
8507 | ret = -EINVAL; | |
8508 | break; | |
8509 | } | |
8510 | ||
8511 | reg_info.value = ssd_reg32_read(dev->ctrlp + reg_info.offset); | |
8512 | if (copy_to_user(argp, ®_info, sizeof(struct ssd_reg_op_info))) { | |
8513 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8514 | ret = -EFAULT; | |
8515 | break; | |
8516 | } | |
8517 | ||
8518 | break; | |
8519 | } | |
8520 | ||
8521 | case SSD_CMD_REG_WRITE: { | |
8522 | struct ssd_reg_op_info reg_info; | |
8523 | ||
8524 | if (copy_from_user(®_info, argp, sizeof(struct ssd_reg_op_info))) { | |
8525 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8526 | ret = -EFAULT; | |
8527 | break; | |
8528 | } | |
8529 | ||
8530 | if (reg_info.offset > dev->mmio_len-sizeof(uint32_t)) { | |
8531 | ret = -EINVAL; | |
8532 | break; | |
8533 | } | |
8534 | ||
8535 | ssd_reg32_write(dev->ctrlp + reg_info.offset, reg_info.value); | |
8536 | ||
8537 | break; | |
8538 | } | |
8539 | ||
8540 | case SSD_CMD_SPI_READ: { | |
8541 | struct ssd_spi_op_info spi_info; | |
8542 | uint32_t off, size; | |
8543 | ||
8544 | if (copy_from_user(&spi_info, argp, sizeof(struct ssd_spi_op_info))) { | |
8545 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8546 | ret = -EFAULT; | |
8547 | break; | |
8548 | } | |
8549 | ||
8550 | off = spi_info.off; | |
8551 | size = spi_info.len; | |
8552 | buf = spi_info.buf; | |
8553 | ||
8554 | if (size > dev->rom_info.size || 0 == size || (off + size) > dev->rom_info.size) { | |
8555 | ret = -EINVAL; | |
8556 | break; | |
8557 | } | |
8558 | ||
8559 | kbuf = kmalloc(size, GFP_KERNEL); | |
8560 | if (!kbuf) { | |
8561 | ret = -ENOMEM; | |
8562 | break; | |
8563 | } | |
8564 | ||
8565 | ret = ssd_spi_page_read(dev, kbuf, off, size); | |
8566 | if (ret) { | |
8567 | kfree(kbuf); | |
8568 | break; | |
8569 | } | |
8570 | ||
8571 | if (copy_to_user(buf, kbuf, size)) { | |
8572 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8573 | kfree(kbuf); | |
8574 | ret = -EFAULT; | |
8575 | break; | |
8576 | } | |
8577 | ||
8578 | kfree(kbuf); | |
8579 | ||
8580 | break; | |
8581 | } | |
8582 | ||
8583 | case SSD_CMD_SPI_WRITE: { | |
8584 | struct ssd_spi_op_info spi_info; | |
8585 | uint32_t off, size; | |
8586 | ||
8587 | if (copy_from_user(&spi_info, argp, sizeof(struct ssd_spi_op_info))) { | |
8588 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8589 | ret = -EFAULT; | |
8590 | break; | |
8591 | } | |
8592 | ||
8593 | off = spi_info.off; | |
8594 | size = spi_info.len; | |
8595 | buf = spi_info.buf; | |
8596 | ||
8597 | if (size > dev->rom_info.size || 0 == size || (off + size) > dev->rom_info.size) { | |
8598 | ret = -EINVAL; | |
8599 | break; | |
8600 | } | |
8601 | ||
8602 | kbuf = kmalloc(size, GFP_KERNEL); | |
8603 | if (!kbuf) { | |
8604 | ret = -ENOMEM; | |
8605 | break; | |
8606 | } | |
8607 | ||
8608 | if (copy_from_user(kbuf, buf, size)) { | |
8609 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8610 | kfree(kbuf); | |
8611 | ret = -EFAULT; | |
8612 | break; | |
8613 | } | |
8614 | ||
8615 | ret = ssd_spi_page_write(dev, kbuf, off, size); | |
8616 | if (ret) { | |
8617 | kfree(kbuf); | |
8618 | break; | |
8619 | } | |
8620 | ||
8621 | kfree(kbuf); | |
8622 | ||
8623 | break; | |
8624 | } | |
8625 | ||
8626 | case SSD_CMD_SPI_ERASE: { | |
8627 | struct ssd_spi_op_info spi_info; | |
8628 | uint32_t off; | |
8629 | ||
8630 | if (copy_from_user(&spi_info, argp, sizeof(struct ssd_spi_op_info))) { | |
8631 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8632 | ret = -EFAULT; | |
8633 | break; | |
8634 | } | |
8635 | ||
8636 | off = spi_info.off; | |
8637 | ||
8638 | if ((off + dev->rom_info.block_size) > dev->rom_info.size) { | |
8639 | ret = -EINVAL; | |
8640 | break; | |
8641 | } | |
8642 | ||
8643 | ret = ssd_spi_block_erase(dev, off); | |
8644 | if (ret) { | |
8645 | break; | |
8646 | } | |
8647 | ||
8648 | break; | |
8649 | } | |
8650 | ||
8651 | case SSD_CMD_I2C_READ: { | |
8652 | struct ssd_i2c_op_info i2c_info; | |
8653 | uint8_t saddr; | |
8654 | uint8_t rsize; | |
8655 | ||
8656 | if (copy_from_user(&i2c_info, argp, sizeof(struct ssd_i2c_op_info))) { | |
8657 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8658 | ret = -EFAULT; | |
8659 | break; | |
8660 | } | |
8661 | ||
8662 | saddr = i2c_info.saddr; | |
8663 | rsize = i2c_info.rsize; | |
8664 | buf = i2c_info.rbuf; | |
8665 | ||
8666 | if (rsize <= 0 || rsize > SSD_I2C_MAX_DATA) { | |
8667 | ret = -EINVAL; | |
8668 | break; | |
8669 | } | |
8670 | ||
8671 | kbuf = kmalloc(rsize, GFP_KERNEL); | |
8672 | if (!kbuf) { | |
8673 | ret = -ENOMEM; | |
8674 | break; | |
8675 | } | |
8676 | ||
8677 | ret = ssd_i2c_read(dev, saddr, rsize, kbuf); | |
8678 | if (ret) { | |
8679 | kfree(kbuf); | |
8680 | break; | |
8681 | } | |
8682 | ||
8683 | if (copy_to_user(buf, kbuf, rsize)) { | |
8684 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8685 | kfree(kbuf); | |
8686 | ret = -EFAULT; | |
8687 | break; | |
8688 | } | |
8689 | ||
8690 | kfree(kbuf); | |
8691 | ||
8692 | break; | |
8693 | } | |
8694 | ||
8695 | case SSD_CMD_I2C_WRITE: { | |
8696 | struct ssd_i2c_op_info i2c_info; | |
8697 | uint8_t saddr; | |
8698 | uint8_t wsize; | |
8699 | ||
8700 | if (copy_from_user(&i2c_info, argp, sizeof(struct ssd_i2c_op_info))) { | |
8701 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8702 | ret = -EFAULT; | |
8703 | break; | |
8704 | } | |
8705 | ||
8706 | saddr = i2c_info.saddr; | |
8707 | wsize = i2c_info.wsize; | |
8708 | buf = i2c_info.wbuf; | |
8709 | ||
8710 | if (wsize <= 0 || wsize > SSD_I2C_MAX_DATA) { | |
8711 | ret = -EINVAL; | |
8712 | break; | |
8713 | } | |
8714 | ||
8715 | kbuf = kmalloc(wsize, GFP_KERNEL); | |
8716 | if (!kbuf) { | |
8717 | ret = -ENOMEM; | |
8718 | break; | |
8719 | } | |
8720 | ||
8721 | if (copy_from_user(kbuf, buf, wsize)) { | |
8722 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8723 | kfree(kbuf); | |
8724 | ret = -EFAULT; | |
8725 | break; | |
8726 | } | |
8727 | ||
8728 | ret = ssd_i2c_write(dev, saddr, wsize, kbuf); | |
8729 | if (ret) { | |
8730 | kfree(kbuf); | |
8731 | break; | |
8732 | } | |
8733 | ||
8734 | kfree(kbuf); | |
8735 | ||
8736 | break; | |
8737 | } | |
8738 | ||
8739 | case SSD_CMD_I2C_WRITE_READ: { | |
8740 | struct ssd_i2c_op_info i2c_info; | |
8741 | uint8_t saddr; | |
8742 | uint8_t wsize; | |
8743 | uint8_t rsize; | |
8744 | uint8_t size; | |
8745 | ||
8746 | if (copy_from_user(&i2c_info, argp, sizeof(struct ssd_i2c_op_info))) { | |
8747 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8748 | ret = -EFAULT; | |
8749 | break; | |
8750 | } | |
8751 | ||
8752 | saddr = i2c_info.saddr; | |
8753 | wsize = i2c_info.wsize; | |
8754 | rsize = i2c_info.rsize; | |
8755 | buf = i2c_info.wbuf; | |
8756 | ||
8757 | if (wsize <= 0 || wsize > SSD_I2C_MAX_DATA) { | |
8758 | ret = -EINVAL; | |
8759 | break; | |
8760 | } | |
8761 | ||
8762 | if (rsize <= 0 || rsize > SSD_I2C_MAX_DATA) { | |
8763 | ret = -EINVAL; | |
8764 | break; | |
8765 | } | |
8766 | ||
8767 | size = wsize + rsize; | |
8768 | ||
8769 | kbuf = kmalloc(size, GFP_KERNEL); | |
8770 | if (!kbuf) { | |
8771 | ret = -ENOMEM; | |
8772 | break; | |
8773 | } | |
8774 | ||
8775 | if (copy_from_user((kbuf + rsize), buf, wsize)) { | |
8776 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8777 | kfree(kbuf); | |
8778 | ret = -EFAULT; | |
8779 | break; | |
8780 | } | |
8781 | ||
8782 | buf = i2c_info.rbuf; | |
8783 | ||
8784 | ret = ssd_i2c_write_read(dev, saddr, wsize, (kbuf + rsize), rsize, kbuf); | |
8785 | if (ret) { | |
8786 | kfree(kbuf); | |
8787 | break; | |
8788 | } | |
8789 | ||
8790 | if (copy_to_user(buf, kbuf, rsize)) { | |
8791 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8792 | kfree(kbuf); | |
8793 | ret = -EFAULT; | |
8794 | break; | |
8795 | } | |
8796 | ||
8797 | kfree(kbuf); | |
8798 | ||
8799 | break; | |
8800 | } | |
8801 | ||
8802 | case SSD_CMD_SMBUS_SEND_BYTE: { | |
8803 | struct ssd_smbus_op_info smbus_info; | |
8804 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
8805 | uint8_t saddr; | |
8806 | uint8_t size; | |
8807 | ||
8808 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
8809 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8810 | ret = -EFAULT; | |
8811 | break; | |
8812 | } | |
8813 | ||
8814 | saddr = smbus_info.saddr; | |
8815 | buf = smbus_info.buf; | |
8816 | size = 1; | |
8817 | ||
8818 | if (copy_from_user(smb_data, buf, size)) { | |
8819 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8820 | ret = -EFAULT; | |
8821 | break; | |
8822 | } | |
8823 | ||
8824 | ret = ssd_smbus_send_byte(dev, saddr, smb_data); | |
8825 | if (ret) { | |
8826 | break; | |
8827 | } | |
8828 | ||
8829 | break; | |
8830 | } | |
8831 | ||
8832 | case SSD_CMD_SMBUS_RECEIVE_BYTE: { | |
8833 | struct ssd_smbus_op_info smbus_info; | |
8834 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
8835 | uint8_t saddr; | |
8836 | uint8_t size; | |
8837 | ||
8838 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
8839 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8840 | ret = -EFAULT; | |
8841 | break; | |
8842 | } | |
8843 | ||
8844 | saddr = smbus_info.saddr; | |
8845 | buf = smbus_info.buf; | |
8846 | size = 1; | |
8847 | ||
8848 | ret = ssd_smbus_receive_byte(dev, saddr, smb_data); | |
8849 | if (ret) { | |
8850 | break; | |
8851 | } | |
8852 | ||
8853 | if (copy_to_user(buf, smb_data, size)) { | |
8854 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8855 | ret = -EFAULT; | |
8856 | break; | |
8857 | } | |
8858 | ||
8859 | break; | |
8860 | } | |
8861 | ||
8862 | case SSD_CMD_SMBUS_WRITE_BYTE: { | |
8863 | struct ssd_smbus_op_info smbus_info; | |
8864 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
8865 | uint8_t saddr; | |
8866 | uint8_t command; | |
8867 | uint8_t size; | |
8868 | ||
8869 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
8870 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8871 | ret = -EFAULT; | |
8872 | break; | |
8873 | } | |
8874 | ||
8875 | saddr = smbus_info.saddr; | |
8876 | command = smbus_info.cmd; | |
8877 | buf = smbus_info.buf; | |
8878 | size = 1; | |
8879 | ||
8880 | if (copy_from_user(smb_data, buf, size)) { | |
8881 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8882 | ret = -EFAULT; | |
8883 | break; | |
8884 | } | |
8885 | ||
8886 | ret = ssd_smbus_write_byte(dev, saddr, command, smb_data); | |
8887 | if (ret) { | |
8888 | break; | |
8889 | } | |
8890 | ||
8891 | break; | |
8892 | } | |
8893 | ||
8894 | case SSD_CMD_SMBUS_READ_BYTE: { | |
8895 | struct ssd_smbus_op_info smbus_info; | |
8896 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
8897 | uint8_t saddr; | |
8898 | uint8_t command; | |
8899 | uint8_t size; | |
8900 | ||
8901 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
8902 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8903 | ret = -EFAULT; | |
8904 | break; | |
8905 | } | |
8906 | ||
8907 | saddr = smbus_info.saddr; | |
8908 | command = smbus_info.cmd; | |
8909 | buf = smbus_info.buf; | |
8910 | size = 1; | |
8911 | ||
8912 | ret = ssd_smbus_read_byte(dev, saddr, command, smb_data); | |
8913 | if (ret) { | |
8914 | break; | |
8915 | } | |
8916 | ||
8917 | if (copy_to_user(buf, smb_data, size)) { | |
8918 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8919 | ret = -EFAULT; | |
8920 | break; | |
8921 | } | |
8922 | ||
8923 | break; | |
8924 | } | |
8925 | ||
8926 | case SSD_CMD_SMBUS_WRITE_WORD: { | |
8927 | struct ssd_smbus_op_info smbus_info; | |
8928 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
8929 | uint8_t saddr; | |
8930 | uint8_t command; | |
8931 | uint8_t size; | |
8932 | ||
8933 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
8934 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8935 | ret = -EFAULT; | |
8936 | break; | |
8937 | } | |
8938 | ||
8939 | saddr = smbus_info.saddr; | |
8940 | command = smbus_info.cmd; | |
8941 | buf = smbus_info.buf; | |
8942 | size = 2; | |
8943 | ||
8944 | if (copy_from_user(smb_data, buf, size)) { | |
8945 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8946 | ret = -EFAULT; | |
8947 | break; | |
8948 | } | |
8949 | ||
8950 | ret = ssd_smbus_write_word(dev, saddr, command, smb_data); | |
8951 | if (ret) { | |
8952 | break; | |
8953 | } | |
8954 | ||
8955 | break; | |
8956 | } | |
8957 | ||
8958 | case SSD_CMD_SMBUS_READ_WORD: { | |
8959 | struct ssd_smbus_op_info smbus_info; | |
8960 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
8961 | uint8_t saddr; | |
8962 | uint8_t command; | |
8963 | uint8_t size; | |
8964 | ||
8965 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
8966 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8967 | ret = -EFAULT; | |
8968 | break; | |
8969 | } | |
8970 | ||
8971 | saddr = smbus_info.saddr; | |
8972 | command = smbus_info.cmd; | |
8973 | buf = smbus_info.buf; | |
8974 | size = 2; | |
8975 | ||
8976 | ret = ssd_smbus_read_word(dev, saddr, command, smb_data); | |
8977 | if (ret) { | |
8978 | break; | |
8979 | } | |
8980 | ||
8981 | if (copy_to_user(buf, smb_data, size)) { | |
8982 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
8983 | ret = -EFAULT; | |
8984 | break; | |
8985 | } | |
8986 | ||
8987 | break; | |
8988 | } | |
8989 | ||
8990 | case SSD_CMD_SMBUS_WRITE_BLOCK: { | |
8991 | struct ssd_smbus_op_info smbus_info; | |
8992 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
8993 | uint8_t saddr; | |
8994 | uint8_t command; | |
8995 | uint8_t size; | |
8996 | ||
8997 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
8998 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
8999 | ret = -EFAULT; | |
9000 | break; | |
9001 | } | |
9002 | ||
9003 | saddr = smbus_info.saddr; | |
9004 | command = smbus_info.cmd; | |
9005 | buf = smbus_info.buf; | |
9006 | size = smbus_info.size; | |
9007 | ||
9008 | if (size > SSD_SMBUS_BLOCK_MAX) { | |
9009 | ret = -EINVAL; | |
9010 | break; | |
9011 | } | |
9012 | ||
9013 | if (copy_from_user(smb_data, buf, size)) { | |
9014 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9015 | ret = -EFAULT; | |
9016 | break; | |
9017 | } | |
9018 | ||
9019 | ret = ssd_smbus_write_block(dev, saddr, command, size, smb_data); | |
9020 | if (ret) { | |
9021 | break; | |
9022 | } | |
9023 | ||
9024 | break; | |
9025 | } | |
9026 | ||
9027 | case SSD_CMD_SMBUS_READ_BLOCK: { | |
9028 | struct ssd_smbus_op_info smbus_info; | |
9029 | uint8_t smb_data[SSD_SMBUS_BLOCK_MAX]; | |
9030 | uint8_t saddr; | |
9031 | uint8_t command; | |
9032 | uint8_t size; | |
9033 | ||
9034 | if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) { | |
9035 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9036 | ret = -EFAULT; | |
9037 | break; | |
9038 | } | |
9039 | ||
9040 | saddr = smbus_info.saddr; | |
9041 | command = smbus_info.cmd; | |
9042 | buf = smbus_info.buf; | |
9043 | size = smbus_info.size; | |
9044 | ||
9045 | if (size > SSD_SMBUS_BLOCK_MAX) { | |
9046 | ret = -EINVAL; | |
9047 | break; | |
9048 | } | |
9049 | ||
9050 | ret = ssd_smbus_read_block(dev, saddr, command, size, smb_data); | |
9051 | if (ret) { | |
9052 | break; | |
9053 | } | |
9054 | ||
9055 | if (copy_to_user(buf, smb_data, size)) { | |
9056 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9057 | ret = -EFAULT; | |
9058 | break; | |
9059 | } | |
9060 | ||
9061 | break; | |
9062 | } | |
9063 | ||
9064 | case SSD_CMD_BM_GET_VER: { | |
9065 | uint16_t ver; | |
9066 | ||
9067 | ret = ssd_bm_get_version(dev, &ver); | |
9068 | if (ret) { | |
9069 | break; | |
9070 | } | |
9071 | ||
9072 | if (copy_to_user(argp, &ver, sizeof(uint16_t))) { | |
9073 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9074 | ret = -EFAULT; | |
9075 | break; | |
9076 | } | |
9077 | ||
9078 | break; | |
9079 | } | |
9080 | ||
9081 | case SSD_CMD_BM_GET_NR_CAP: { | |
9082 | int nr_cap; | |
9083 | ||
9084 | ret = ssd_bm_nr_cap(dev, &nr_cap); | |
9085 | if (ret) { | |
9086 | break; | |
9087 | } | |
9088 | ||
9089 | if (copy_to_user(argp, &nr_cap, sizeof(int))) { | |
9090 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9091 | ret = -EFAULT; | |
9092 | break; | |
9093 | } | |
9094 | ||
9095 | break; | |
9096 | } | |
9097 | ||
9098 | case SSD_CMD_BM_CAP_LEARNING: { | |
9099 | ret = ssd_bm_enter_cap_learning(dev); | |
9100 | ||
9101 | if (ret) { | |
9102 | break; | |
9103 | } | |
9104 | ||
9105 | break; | |
9106 | } | |
9107 | ||
9108 | case SSD_CMD_CAP_LEARN: { | |
9109 | uint32_t cap = 0; | |
9110 | ||
9111 | ret = ssd_cap_learn(dev, &cap); | |
9112 | if (ret) { | |
9113 | break; | |
9114 | } | |
9115 | ||
9116 | if (copy_to_user(argp, &cap, sizeof(uint32_t))) { | |
9117 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9118 | ret = -EFAULT; | |
9119 | break; | |
9120 | } | |
9121 | ||
9122 | break; | |
9123 | } | |
9124 | ||
9125 | case SSD_CMD_GET_CAP_STATUS: { | |
9126 | int cap_status = 0; | |
9127 | ||
9128 | if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
9129 | cap_status = 1; | |
9130 | } | |
9131 | ||
9132 | if (copy_to_user(argp, &cap_status, sizeof(int))) { | |
9133 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9134 | ret = -EFAULT; | |
9135 | break; | |
9136 | } | |
9137 | ||
9138 | break; | |
9139 | } | |
9140 | ||
9141 | case SSD_CMD_RAM_READ: { | |
9142 | struct ssd_ram_op_info ram_info; | |
9143 | uint64_t ofs; | |
9144 | uint32_t length; | |
9145 | size_t rlen, len = dev->hw_info.ram_max_len; | |
9146 | int ctrl_idx; | |
9147 | ||
9148 | if (copy_from_user(&ram_info, argp, sizeof(struct ssd_ram_op_info))) { | |
9149 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9150 | ret = -EFAULT; | |
9151 | break; | |
9152 | } | |
9153 | ||
9154 | ofs = ram_info.start; | |
9155 | length = ram_info.length; | |
9156 | buf = ram_info.buf; | |
9157 | ctrl_idx = ram_info.ctrl_idx; | |
9158 | ||
9159 | if (ofs >= dev->hw_info.ram_size || length > dev->hw_info.ram_size || 0 == length || (ofs + length) > dev->hw_info.ram_size) { | |
9160 | ret = -EINVAL; | |
9161 | break; | |
9162 | } | |
9163 | ||
9164 | kbuf = kmalloc(len, GFP_KERNEL); | |
9165 | if (!kbuf) { | |
9166 | ret = -ENOMEM; | |
9167 | break; | |
9168 | } | |
9169 | ||
9170 | for (rlen=0; rlen<length; rlen+=len, buf+=len, ofs+=len) { | |
9171 | if ((length - rlen) < len) { | |
9172 | len = length - rlen; | |
9173 | } | |
9174 | ||
9175 | ret = ssd_ram_read(dev, kbuf, len, ofs, ctrl_idx); | |
9176 | if (ret) { | |
9177 | break; | |
9178 | } | |
9179 | ||
9180 | if (copy_to_user(buf, kbuf, len)) { | |
9181 | ret = -EFAULT; | |
9182 | break; | |
9183 | } | |
9184 | } | |
9185 | ||
9186 | kfree(kbuf); | |
9187 | ||
9188 | break; | |
9189 | } | |
9190 | ||
9191 | case SSD_CMD_RAM_WRITE: { | |
9192 | struct ssd_ram_op_info ram_info; | |
9193 | uint64_t ofs; | |
9194 | uint32_t length; | |
9195 | size_t wlen, len = dev->hw_info.ram_max_len; | |
9196 | int ctrl_idx; | |
9197 | ||
9198 | if (copy_from_user(&ram_info, argp, sizeof(struct ssd_ram_op_info))) { | |
9199 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9200 | ret = -EFAULT; | |
9201 | break; | |
9202 | } | |
9203 | ofs = ram_info.start; | |
9204 | length = ram_info.length; | |
9205 | buf = ram_info.buf; | |
9206 | ctrl_idx = ram_info.ctrl_idx; | |
9207 | ||
9208 | if (ofs >= dev->hw_info.ram_size || length > dev->hw_info.ram_size || 0 == length || (ofs + length) > dev->hw_info.ram_size) { | |
9209 | ret = -EINVAL; | |
9210 | break; | |
9211 | } | |
9212 | ||
9213 | kbuf = kmalloc(len, GFP_KERNEL); | |
9214 | if (!kbuf) { | |
9215 | ret = -ENOMEM; | |
9216 | break; | |
9217 | } | |
9218 | ||
9219 | for (wlen=0; wlen<length; wlen+=len, buf+=len, ofs+=len) { | |
9220 | if ((length - wlen) < len) { | |
9221 | len = length - wlen; | |
9222 | } | |
9223 | ||
9224 | if (copy_from_user(kbuf, buf, len)) { | |
9225 | ret = -EFAULT; | |
9226 | break; | |
9227 | } | |
9228 | ||
9229 | ret = ssd_ram_write(dev, kbuf, len, ofs, ctrl_idx); | |
9230 | if (ret) { | |
9231 | break; | |
9232 | } | |
9233 | } | |
9234 | ||
9235 | kfree(kbuf); | |
9236 | ||
9237 | break; | |
9238 | } | |
9239 | ||
9240 | case SSD_CMD_NAND_READ_ID: { | |
9241 | struct ssd_flash_op_info flash_info; | |
9242 | int chip_no, chip_ce, length, ctrl_idx; | |
9243 | ||
9244 | if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) { | |
9245 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9246 | ret = -EFAULT; | |
9247 | break; | |
9248 | } | |
9249 | ||
9250 | chip_no = flash_info.flash; | |
9251 | chip_ce = flash_info.chip; | |
9252 | ctrl_idx = flash_info.ctrl_idx; | |
9253 | buf = flash_info.buf; | |
9254 | length = dev->hw_info.id_size; | |
9255 | ||
9256 | //kbuf = kmalloc(length, GFP_KERNEL); | |
9257 | kbuf = kmalloc(SSD_NAND_ID_BUFF_SZ, GFP_KERNEL); //xx | |
9258 | if (!kbuf) { | |
9259 | ret = -ENOMEM; | |
9260 | break; | |
9261 | } | |
9262 | memset(kbuf, 0, length); | |
9263 | ||
9264 | ret = ssd_nand_read_id(dev, kbuf, chip_no, chip_ce, ctrl_idx); | |
9265 | if (ret) { | |
9266 | kfree(kbuf); | |
9267 | break; | |
9268 | } | |
9269 | ||
9270 | if (copy_to_user(buf, kbuf, length)) { | |
9271 | kfree(kbuf); | |
9272 | ret = -EFAULT; | |
9273 | break; | |
9274 | } | |
9275 | ||
9276 | kfree(kbuf); | |
9277 | ||
9278 | break; | |
9279 | } | |
9280 | ||
9281 | case SSD_CMD_NAND_READ: { //with oob | |
9282 | struct ssd_flash_op_info flash_info; | |
9283 | uint32_t length; | |
9284 | int flash, chip, page, ctrl_idx; | |
9285 | int err = 0; | |
9286 | ||
9287 | if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) { | |
9288 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9289 | ret = -EFAULT; | |
9290 | break; | |
9291 | } | |
9292 | ||
9293 | flash = flash_info.flash; | |
9294 | chip = flash_info.chip; | |
9295 | page = flash_info.page; | |
9296 | buf = flash_info.buf; | |
9297 | ctrl_idx = flash_info.ctrl_idx; | |
9298 | ||
9299 | length = dev->hw_info.page_size + dev->hw_info.oob_size; | |
9300 | ||
9301 | kbuf = kmalloc(length, GFP_KERNEL); | |
9302 | if (!kbuf) { | |
9303 | ret = -ENOMEM; | |
9304 | break; | |
9305 | } | |
9306 | ||
9307 | err = ret = ssd_nand_read_w_oob(dev, kbuf, flash, chip, page, 1, ctrl_idx); | |
9308 | if (ret && (-EIO != ret)) { | |
9309 | kfree(kbuf); | |
9310 | break; | |
9311 | } | |
9312 | ||
9313 | if (copy_to_user(buf, kbuf, length)) { | |
9314 | kfree(kbuf); | |
9315 | ret = -EFAULT; | |
9316 | break; | |
9317 | } | |
9318 | ||
9319 | ret = err; | |
9320 | ||
9321 | kfree(kbuf); | |
9322 | break; | |
9323 | } | |
9324 | ||
9325 | case SSD_CMD_NAND_WRITE: { | |
9326 | struct ssd_flash_op_info flash_info; | |
9327 | int flash, chip, page, ctrl_idx; | |
9328 | uint32_t length; | |
9329 | ||
9330 | if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) { | |
9331 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9332 | ret = -EFAULT; | |
9333 | break; | |
9334 | } | |
9335 | ||
9336 | flash = flash_info.flash; | |
9337 | chip = flash_info.chip; | |
9338 | page = flash_info.page; | |
9339 | buf = flash_info.buf; | |
9340 | ctrl_idx = flash_info.ctrl_idx; | |
9341 | ||
9342 | length = dev->hw_info.page_size + dev->hw_info.oob_size; | |
9343 | ||
9344 | kbuf = kmalloc(length, GFP_KERNEL); | |
9345 | if (!kbuf) { | |
9346 | ret = -ENOMEM; | |
9347 | break; | |
9348 | } | |
9349 | ||
9350 | if (copy_from_user(kbuf, buf, length)) { | |
9351 | kfree(kbuf); | |
9352 | ret = -EFAULT; | |
9353 | break; | |
9354 | } | |
9355 | ||
9356 | ret = ssd_nand_write(dev, kbuf, flash, chip, page, 1, ctrl_idx); | |
9357 | if (ret) { | |
9358 | kfree(kbuf); | |
9359 | break; | |
9360 | } | |
9361 | ||
9362 | kfree(kbuf); | |
9363 | break; | |
9364 | } | |
9365 | ||
9366 | case SSD_CMD_NAND_ERASE: { | |
9367 | struct ssd_flash_op_info flash_info; | |
9368 | int flash, chip, page, ctrl_idx; | |
9369 | ||
9370 | if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) { | |
9371 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9372 | ret = -EFAULT; | |
9373 | break; | |
9374 | } | |
9375 | ||
9376 | flash = flash_info.flash; | |
9377 | chip = flash_info.chip; | |
9378 | page = flash_info.page; | |
9379 | ctrl_idx = flash_info.ctrl_idx; | |
9380 | ||
9381 | if ((page % dev->hw_info.page_count) != 0) { | |
9382 | ret = -EINVAL; | |
9383 | break; | |
9384 | } | |
9385 | ||
9386 | //hio_warn("erase fs = %llx\n", ofs); | |
9387 | ret = ssd_nand_erase(dev, flash, chip, page, ctrl_idx); | |
9388 | if (ret) { | |
9389 | break; | |
9390 | } | |
9391 | ||
9392 | break; | |
9393 | } | |
9394 | ||
9395 | case SSD_CMD_NAND_READ_EXT: { //ingore EIO | |
9396 | struct ssd_flash_op_info flash_info; | |
9397 | uint32_t length; | |
9398 | int flash, chip, page, ctrl_idx; | |
9399 | ||
9400 | if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) { | |
9401 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9402 | ret = -EFAULT; | |
9403 | break; | |
9404 | } | |
9405 | ||
9406 | flash = flash_info.flash; | |
9407 | chip = flash_info.chip; | |
9408 | page = flash_info.page; | |
9409 | buf = flash_info.buf; | |
9410 | ctrl_idx = flash_info.ctrl_idx; | |
9411 | ||
9412 | length = dev->hw_info.page_size + dev->hw_info.oob_size; | |
9413 | ||
9414 | kbuf = kmalloc(length, GFP_KERNEL); | |
9415 | if (!kbuf) { | |
9416 | ret = -ENOMEM; | |
9417 | break; | |
9418 | } | |
9419 | ||
9420 | ret = ssd_nand_read_w_oob(dev, kbuf, flash, chip, page, 1, ctrl_idx); | |
9421 | if (-EIO == ret) { //ingore EIO | |
9422 | ret = 0; | |
9423 | } | |
9424 | if (ret) { | |
9425 | kfree(kbuf); | |
9426 | break; | |
9427 | } | |
9428 | ||
9429 | if (copy_to_user(buf, kbuf, length)) { | |
9430 | kfree(kbuf); | |
9431 | ret = -EFAULT; | |
9432 | break; | |
9433 | } | |
9434 | ||
9435 | kfree(kbuf); | |
9436 | break; | |
9437 | } | |
9438 | ||
9439 | case SSD_CMD_UPDATE_BBT: { | |
9440 | struct ssd_flash_op_info flash_info; | |
9441 | int ctrl_idx, flash; | |
9442 | ||
9443 | if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) { | |
9444 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9445 | ret = -EFAULT; | |
9446 | break; | |
9447 | } | |
9448 | ||
9449 | ctrl_idx = flash_info.ctrl_idx; | |
9450 | flash = flash_info.flash; | |
9451 | ret = ssd_update_bbt(dev, flash, ctrl_idx); | |
9452 | if (ret) { | |
9453 | break; | |
9454 | } | |
9455 | ||
9456 | break; | |
9457 | } | |
9458 | ||
9459 | case SSD_CMD_CLEAR_ALARM: | |
9460 | ssd_clear_alarm(dev); | |
9461 | break; | |
9462 | ||
9463 | case SSD_CMD_SET_ALARM: | |
9464 | ssd_set_alarm(dev); | |
9465 | break; | |
9466 | ||
9467 | case SSD_CMD_RESET: | |
9468 | ret = ssd_do_reset(dev); | |
9469 | break; | |
9470 | ||
9471 | case SSD_CMD_RELOAD_FW: | |
9472 | dev->reload_fw = 1; | |
9473 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
9474 | ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FLAG); | |
9475 | } else if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_1_1) { | |
9476 | ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FW); | |
9477 | ||
9478 | } | |
9479 | break; | |
9480 | ||
9481 | case SSD_CMD_UNLOAD_DEV: { | |
9482 | if (atomic_read(&dev->refcnt)) { | |
9483 | ret = -EBUSY; | |
9484 | break; | |
9485 | } | |
9486 | ||
9487 | /* save smart */ | |
9488 | ssd_save_smart(dev); | |
9489 | ||
9490 | ret = ssd_flush(dev); | |
9491 | if (ret) { | |
9492 | break; | |
9493 | } | |
9494 | ||
9495 | /* cleanup the block device */ | |
9496 | if (test_and_clear_bit(SSD_INIT_BD, &dev->state)) { | |
9497 | mutex_lock(&dev->gd_mutex); | |
9498 | ssd_cleanup_blkdev(dev); | |
9499 | mutex_unlock(&dev->gd_mutex); | |
9500 | } | |
9501 | ||
9502 | break; | |
9503 | } | |
9504 | ||
9505 | case SSD_CMD_LOAD_DEV: { | |
9506 | ||
9507 | if (test_bit(SSD_INIT_BD, &dev->state)) { | |
9508 | ret = -EINVAL; | |
9509 | break; | |
9510 | } | |
9511 | ||
9512 | ret = ssd_init_smart(dev); | |
9513 | if (ret) { | |
9514 | hio_warn("%s: init info: failed\n", dev->name); | |
9515 | break; | |
9516 | } | |
9517 | ||
9518 | ret = ssd_init_blkdev(dev); | |
9519 | if (ret) { | |
9520 | hio_warn("%s: register block device: failed\n", dev->name); | |
9521 | break; | |
9522 | } | |
9523 | (void)test_and_set_bit(SSD_INIT_BD, &dev->state); | |
9524 | ||
9525 | break; | |
9526 | } | |
9527 | ||
9528 | case SSD_CMD_UPDATE_VP: { | |
9529 | uint32_t val; | |
9530 | uint32_t new_vp, new_vp1 = 0; | |
9531 | ||
9532 | if (test_bit(SSD_INIT_BD, &dev->state)) { | |
9533 | ret = -EINVAL; | |
9534 | break; | |
9535 | } | |
9536 | ||
9537 | if (copy_from_user(&new_vp, argp, sizeof(uint32_t))) { | |
9538 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9539 | ret = -EFAULT; | |
9540 | break; | |
9541 | } | |
9542 | ||
9543 | if (new_vp > dev->hw_info.max_valid_pages || new_vp <= 0) { | |
9544 | ret = -EINVAL; | |
9545 | break; | |
9546 | } | |
9547 | ||
9548 | while (new_vp <= dev->hw_info.max_valid_pages) { | |
9549 | ssd_reg32_write(dev->ctrlp + SSD_VALID_PAGES_REG, new_vp); | |
9550 | msleep(10); | |
9551 | val = ssd_reg32_read(dev->ctrlp + SSD_VALID_PAGES_REG); | |
9552 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
9553 | new_vp1 = val & 0x3FF; | |
9554 | } else { | |
9555 | new_vp1 = val & 0x7FFF; | |
9556 | } | |
9557 | ||
9558 | if (new_vp1 == new_vp) { | |
9559 | break; | |
9560 | } | |
9561 | ||
9562 | new_vp++; | |
9563 | /*if (new_vp == dev->hw_info.valid_pages) { | |
9564 | new_vp++; | |
9565 | }*/ | |
9566 | } | |
9567 | ||
9568 | if (new_vp1 != new_vp || new_vp > dev->hw_info.max_valid_pages) { | |
9569 | /* restore */ | |
9570 | ssd_reg32_write(dev->ctrlp + SSD_VALID_PAGES_REG, dev->hw_info.valid_pages); | |
9571 | ret = -EINVAL; | |
9572 | break; | |
9573 | } | |
9574 | ||
9575 | if (copy_to_user(argp, &new_vp, sizeof(uint32_t))) { | |
9576 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9577 | ssd_reg32_write(dev->ctrlp + SSD_VALID_PAGES_REG, dev->hw_info.valid_pages); | |
9578 | ret = -EFAULT; | |
9579 | break; | |
9580 | } | |
9581 | ||
9582 | /* new */ | |
9583 | dev->hw_info.valid_pages = new_vp; | |
9584 | dev->hw_info.size = (uint64_t)dev->hw_info.valid_pages * dev->hw_info.page_size; | |
9585 | dev->hw_info.size *= (dev->hw_info.block_count - dev->hw_info.reserved_blks); | |
9586 | dev->hw_info.size *= ((uint64_t)dev->hw_info.nr_data_ch * (uint64_t)dev->hw_info.nr_chip * (uint64_t)dev->hw_info.nr_ctrl); | |
9587 | ||
9588 | break; | |
9589 | } | |
9590 | ||
9591 | case SSD_CMD_FULL_RESET: { | |
9592 | ret = ssd_full_reset(dev); | |
9593 | break; | |
9594 | } | |
9595 | ||
9596 | case SSD_CMD_GET_NR_LOG: { | |
9597 | if (copy_to_user(argp, &dev->internal_log.nr_log, sizeof(dev->internal_log.nr_log))) { | |
9598 | ret = -EFAULT; | |
9599 | break; | |
9600 | } | |
9601 | break; | |
9602 | } | |
9603 | ||
9604 | case SSD_CMD_GET_LOG: { | |
9605 | uint32_t length = dev->rom_info.log_sz; | |
9606 | ||
9607 | buf = argp; | |
9608 | ||
9609 | if (copy_to_user(buf, dev->internal_log.log, length)) { | |
9610 | ret = -EFAULT; | |
9611 | break; | |
9612 | } | |
9613 | ||
9614 | break; | |
9615 | } | |
9616 | ||
9617 | case SSD_CMD_LOG_LEVEL: { | |
9618 | int level = 0; | |
9619 | if (copy_from_user(&level, argp, sizeof(int))) { | |
9620 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9621 | ret = -EFAULT; | |
9622 | break; | |
9623 | } | |
9624 | ||
9625 | if (level >= SSD_LOG_NR_LEVEL || level < SSD_LOG_LEVEL_INFO) { | |
9626 | level = SSD_LOG_LEVEL_ERR; | |
9627 | } | |
9628 | ||
9629 | //just for showing log, no need to protect | |
9630 | log_level = level; | |
9631 | break; | |
9632 | } | |
9633 | ||
9634 | case SSD_CMD_OT_PROTECT: { | |
9635 | int protect = 0; | |
9636 | ||
9637 | if (copy_from_user(&protect, argp, sizeof(int))) { | |
9638 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9639 | ret = -EFAULT; | |
9640 | break; | |
9641 | } | |
9642 | ||
9643 | ssd_set_ot_protect(dev, !!protect); | |
9644 | break; | |
9645 | } | |
9646 | ||
9647 | case SSD_CMD_GET_OT_STATUS: { | |
9648 | int status = ssd_get_ot_status(dev, &status); | |
9649 | ||
9650 | if (copy_to_user(argp, &status, sizeof(int))) { | |
9651 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9652 | ret = -EFAULT; | |
9653 | break; | |
9654 | } | |
9655 | break; | |
9656 | } | |
9657 | ||
9658 | case SSD_CMD_CLEAR_LOG: { | |
9659 | ret = ssd_clear_log(dev); | |
9660 | break; | |
9661 | } | |
9662 | ||
9663 | case SSD_CMD_CLEAR_SMART: { | |
9664 | ret = ssd_clear_smart(dev); | |
9665 | break; | |
9666 | } | |
9667 | ||
9668 | case SSD_CMD_SW_LOG: { | |
9669 | struct ssd_sw_log_info sw_log; | |
9670 | ||
9671 | if (copy_from_user(&sw_log, argp, sizeof(struct ssd_sw_log_info))) { | |
9672 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9673 | ret = -EFAULT; | |
9674 | break; | |
9675 | } | |
9676 | ||
9677 | ret = ssd_gen_swlog(dev, sw_log.event, sw_log.data); | |
9678 | break; | |
9679 | } | |
9680 | ||
9681 | case SSD_CMD_GET_LABEL: { | |
9682 | ||
9683 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
9684 | ret = -EINVAL; | |
9685 | break; | |
9686 | } | |
9687 | ||
9688 | if (copy_to_user(argp, &dev->label, sizeof(struct ssd_label))) { | |
9689 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9690 | ret = -EFAULT; | |
9691 | break; | |
9692 | } | |
9693 | break; | |
9694 | } | |
9695 | ||
9696 | case SSD_CMD_GET_VERSION: { | |
9697 | struct ssd_version_info ver; | |
9698 | ||
9699 | mutex_lock(&dev->fw_mutex); | |
9700 | ret = __ssd_get_version(dev, &ver); | |
9701 | mutex_unlock(&dev->fw_mutex); | |
9702 | if (ret) { | |
9703 | break; | |
9704 | } | |
9705 | ||
9706 | if (copy_to_user(argp, &ver, sizeof(struct ssd_version_info))) { | |
9707 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9708 | ret = -EFAULT; | |
9709 | break; | |
9710 | } | |
9711 | break; | |
9712 | } | |
9713 | ||
9714 | case SSD_CMD_GET_TEMPERATURE: { | |
9715 | int temp; | |
9716 | ||
9717 | mutex_lock(&dev->fw_mutex); | |
9718 | ret = __ssd_get_temperature(dev, &temp); | |
9719 | mutex_unlock(&dev->fw_mutex); | |
9720 | if (ret) { | |
9721 | break; | |
9722 | } | |
9723 | ||
9724 | if (copy_to_user(argp, &temp, sizeof(int))) { | |
9725 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9726 | ret = -EFAULT; | |
9727 | break; | |
9728 | } | |
9729 | break; | |
9730 | } | |
9731 | ||
9732 | case SSD_CMD_GET_BMSTATUS: { | |
9733 | int status; | |
9734 | ||
9735 | mutex_lock(&dev->fw_mutex); | |
9736 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
9737 | if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
9738 | status = SSD_BMSTATUS_WARNING; | |
9739 | } else { | |
9740 | status = SSD_BMSTATUS_OK; | |
9741 | } | |
9742 | } else if(dev->protocol_info.ver > SSD_PROTOCOL_V3) { | |
9743 | ret = __ssd_bm_status(dev, &status); | |
9744 | } else { | |
9745 | status = SSD_BMSTATUS_OK; | |
9746 | } | |
9747 | mutex_unlock(&dev->fw_mutex); | |
9748 | if (ret) { | |
9749 | break; | |
9750 | } | |
9751 | ||
9752 | if (copy_to_user(argp, &status, sizeof(int))) { | |
9753 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9754 | ret = -EFAULT; | |
9755 | break; | |
9756 | } | |
9757 | break; | |
9758 | } | |
9759 | ||
9760 | case SSD_CMD_GET_LABEL2: { | |
9761 | void *label; | |
9762 | int length; | |
9763 | ||
9764 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
9765 | label = &dev->label; | |
9766 | length = sizeof(struct ssd_label); | |
9767 | } else { | |
9768 | label = &dev->labelv3; | |
9769 | length = sizeof(struct ssd_labelv3); | |
9770 | } | |
9771 | ||
9772 | if (copy_to_user(argp, label, length)) { | |
9773 | ret = -EFAULT; | |
9774 | break; | |
9775 | } | |
9776 | break; | |
9777 | } | |
9778 | ||
9779 | case SSD_CMD_FLUSH: | |
9780 | ret = ssd_flush(dev); | |
9781 | if (ret) { | |
9782 | hio_warn("%s: ssd_flush: failed\n", dev->name); | |
9783 | ret = -EFAULT; | |
9784 | break; | |
9785 | } | |
9786 | break; | |
9787 | ||
9788 | case SSD_CMD_SAVE_MD: { | |
9789 | int save_md = 0; | |
9790 | ||
9791 | if (copy_from_user(&save_md, argp, sizeof(int))) { | |
9792 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9793 | ret = -EFAULT; | |
9794 | break; | |
9795 | } | |
9796 | ||
9797 | dev->save_md = !!save_md; | |
9798 | break; | |
9799 | } | |
9800 | ||
9801 | case SSD_CMD_SET_WMODE: { | |
9802 | int new_wmode = 0; | |
9803 | ||
9804 | if (copy_from_user(&new_wmode, argp, sizeof(int))) { | |
9805 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9806 | ret = -EFAULT; | |
9807 | break; | |
9808 | } | |
9809 | ||
9810 | ret = __ssd_set_wmode(dev, new_wmode); | |
9811 | if (ret) { | |
9812 | break; | |
9813 | } | |
9814 | ||
9815 | break; | |
9816 | } | |
9817 | ||
9818 | case SSD_CMD_GET_WMODE: { | |
9819 | if (copy_to_user(argp, &dev->wmode, sizeof(int))) { | |
9820 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9821 | ret = -EFAULT; | |
9822 | break; | |
9823 | } | |
9824 | ||
9825 | break; | |
9826 | } | |
9827 | ||
9828 | case SSD_CMD_GET_USER_WMODE: { | |
9829 | if (copy_to_user(argp, &dev->user_wmode, sizeof(int))) { | |
9830 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9831 | ret = -EFAULT; | |
9832 | break; | |
9833 | } | |
9834 | ||
9835 | break; | |
9836 | } | |
9837 | ||
9838 | case SSD_CMD_DEBUG: { | |
9839 | struct ssd_debug_info db_info; | |
9840 | ||
9841 | if (!finject) { | |
9842 | ret = -EOPNOTSUPP; | |
9843 | break; | |
9844 | } | |
9845 | ||
9846 | if (copy_from_user(&db_info, argp, sizeof(struct ssd_debug_info))) { | |
9847 | hio_warn("%s: copy_from_user: failed\n", dev->name); | |
9848 | ret = -EFAULT; | |
9849 | break; | |
9850 | } | |
9851 | ||
9852 | if (db_info.type < SSD_DEBUG_NONE || db_info.type >= SSD_DEBUG_NR) { | |
9853 | ret = -EINVAL; | |
9854 | break; | |
9855 | } | |
9856 | ||
9857 | /* IO */ | |
9858 | if (db_info.type >= SSD_DEBUG_READ_ERR && db_info.type <= SSD_DEBUG_RW_ERR && | |
9859 | (db_info.data.loc.off + db_info.data.loc.len) > (dev->hw_info.size >> 9)) { | |
9860 | ret = -EINVAL; | |
9861 | break; | |
9862 | } | |
9863 | ||
9864 | memcpy(&dev->db_info, &db_info, sizeof(struct ssd_debug_info)); | |
9865 | ||
9866 | #ifdef SSD_OT_PROTECT | |
9867 | /* temperature */ | |
9868 | if (db_info.type == SSD_DEBUG_NONE) { | |
9869 | ssd_check_temperature(dev, SSD_OT_TEMP); | |
9870 | } else if (db_info.type == SSD_DEBUG_LOG) { | |
9871 | if (db_info.data.log.event == SSD_LOG_OVER_TEMP) { | |
9872 | dev->ot_delay = SSD_OT_DELAY; | |
9873 | } else if (db_info.data.log.event == SSD_LOG_NORMAL_TEMP) { | |
9874 | dev->ot_delay = 0; | |
9875 | } | |
9876 | } | |
9877 | #endif | |
9878 | ||
9879 | /* offline */ | |
9880 | if (db_info.type == SSD_DEBUG_OFFLINE) { | |
9881 | test_and_clear_bit(SSD_ONLINE, &dev->state); | |
9882 | } else if (db_info.type == SSD_DEBUG_NONE) { | |
9883 | (void)test_and_set_bit(SSD_ONLINE, &dev->state); | |
9884 | } | |
9885 | ||
9886 | /* log */ | |
9887 | if (db_info.type == SSD_DEBUG_LOG && dev->event_call && dev->gd) { | |
9888 | dev->event_call(dev->gd, db_info.data.log.event, 0); | |
9889 | } | |
9890 | ||
9891 | break; | |
9892 | } | |
9893 | ||
9894 | case SSD_CMD_DRV_PARAM_INFO: { | |
9895 | struct ssd_drv_param_info drv_param; | |
9896 | ||
9897 | memset(&drv_param, 0, sizeof(struct ssd_drv_param_info)); | |
9898 | ||
9899 | drv_param.mode = mode; | |
9900 | drv_param.status_mask = status_mask; | |
9901 | drv_param.int_mode = int_mode; | |
9902 | drv_param.threaded_irq = threaded_irq; | |
9903 | drv_param.log_level = log_level; | |
9904 | drv_param.wmode = wmode; | |
9905 | drv_param.ot_protect = ot_protect; | |
9906 | drv_param.finject = finject; | |
9907 | ||
9908 | if (copy_to_user(argp, &drv_param, sizeof(struct ssd_drv_param_info))) { | |
9909 | hio_warn("%s: copy_to_user: failed\n", dev->name); | |
9910 | ret = -EFAULT; | |
9911 | break; | |
9912 | } | |
9913 | break; | |
9914 | } | |
9915 | ||
9916 | default: | |
9917 | ret = -EINVAL; | |
9918 | break; | |
9919 | } | |
9920 | ||
9921 | return ret; | |
9922 | } | |
9923 | ||
9924 | ||
9925 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)) | |
9926 | static int ssd_block_ioctl(struct inode *inode, struct file *file, | |
9927 | unsigned int cmd, unsigned long arg) | |
9928 | { | |
9929 | struct ssd_device *dev; | |
9930 | void __user *argp = (void __user *)arg; | |
9931 | int ret = 0; | |
9932 | ||
9933 | if (!inode) { | |
9934 | return -EINVAL; | |
9935 | } | |
9936 | dev = inode->i_bdev->bd_disk->private_data; | |
9937 | if (!dev) { | |
9938 | return -EINVAL; | |
9939 | } | |
9940 | #else | |
9941 | static int ssd_block_ioctl(struct block_device *bdev, fmode_t mode, | |
9942 | unsigned int cmd, unsigned long arg) | |
9943 | { | |
9944 | struct ssd_device *dev; | |
9945 | void __user *argp = (void __user *)arg; | |
9946 | int ret = 0; | |
9947 | ||
9948 | if (!bdev) { | |
9949 | return -EINVAL; | |
9950 | } | |
9951 | ||
9952 | dev = bdev->bd_disk->private_data; | |
9953 | if (!dev) { | |
9954 | return -EINVAL; | |
9955 | } | |
9956 | #endif | |
9957 | ||
9958 | switch (cmd) { | |
9959 | case HDIO_GETGEO: { | |
9960 | struct hd_geometry geo; | |
9961 | geo.cylinders = (dev->hw_info.size & ~0x3f) >> 6; | |
9962 | geo.heads = 4; | |
9963 | geo.sectors = 16; | |
9964 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)) | |
9965 | geo.start = get_start_sect(inode->i_bdev); | |
9966 | #else | |
9967 | geo.start = get_start_sect(bdev); | |
9968 | #endif | |
9969 | if (copy_to_user(argp, &geo, sizeof(geo))) { | |
9970 | ret = -EFAULT; | |
9971 | break; | |
9972 | } | |
9973 | ||
9974 | break; | |
9975 | } | |
9976 | ||
9977 | case BLKFLSBUF: | |
9978 | ret = ssd_flush(dev); | |
9979 | if (ret) { | |
9980 | hio_warn("%s: ssd_flush: failed\n", dev->name); | |
9981 | ret = -EFAULT; | |
9982 | break; | |
9983 | } | |
9984 | break; | |
9985 | ||
9986 | default: | |
9987 | if (!dev->slave) { | |
9988 | ret = ssd_ioctl_common(dev, cmd, arg); | |
9989 | } else { | |
9990 | ret = -EFAULT; | |
9991 | } | |
9992 | break; | |
9993 | } | |
9994 | ||
9995 | return ret; | |
9996 | } | |
9997 | ||
9998 | ||
9999 | static void ssd_free_dev(struct kref *kref) | |
10000 | { | |
10001 | struct ssd_device *dev; | |
10002 | ||
10003 | if (!kref) { | |
10004 | return; | |
10005 | } | |
10006 | ||
10007 | dev = container_of(kref, struct ssd_device, kref); | |
10008 | ||
10009 | put_disk(dev->gd); | |
10010 | ||
10011 | ssd_put_index(dev->slave, dev->idx); | |
10012 | ||
10013 | kfree(dev); | |
10014 | } | |
10015 | ||
10016 | static void ssd_put(struct ssd_device *dev) | |
10017 | { | |
10018 | kref_put(&dev->kref, ssd_free_dev); | |
10019 | } | |
10020 | ||
10021 | static int ssd_get(struct ssd_device *dev) | |
10022 | { | |
10023 | kref_get(&dev->kref); | |
10024 | return 0; | |
10025 | } | |
10026 | ||
10027 | /* block device */ | |
10028 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)) | |
10029 | static int ssd_block_open(struct inode *inode, struct file *filp) | |
10030 | { | |
10031 | struct ssd_device *dev; | |
10032 | ||
10033 | if (!inode) { | |
10034 | return -EINVAL; | |
10035 | } | |
10036 | ||
10037 | dev = inode->i_bdev->bd_disk->private_data; | |
10038 | if (!dev) { | |
10039 | return -EINVAL; | |
10040 | } | |
10041 | #else | |
10042 | static int ssd_block_open(struct block_device *bdev, fmode_t mode) | |
10043 | { | |
10044 | struct ssd_device *dev; | |
10045 | ||
10046 | if (!bdev) { | |
10047 | return -EINVAL; | |
10048 | } | |
10049 | ||
10050 | dev = bdev->bd_disk->private_data; | |
10051 | if (!dev) { | |
10052 | return -EINVAL; | |
10053 | } | |
10054 | #endif | |
10055 | ||
10056 | /*if (!try_module_get(dev->owner)) | |
10057 | return -ENODEV; | |
10058 | */ | |
10059 | ||
10060 | ssd_get(dev); | |
10061 | ||
10062 | atomic_inc(&dev->refcnt); | |
10063 | ||
10064 | return 0; | |
10065 | } | |
10066 | ||
10067 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)) | |
10068 | static int ssd_block_release(struct inode *inode, struct file *filp) | |
10069 | { | |
10070 | struct ssd_device *dev; | |
10071 | ||
10072 | if (!inode) { | |
10073 | return -EINVAL; | |
10074 | } | |
10075 | ||
10076 | dev = inode->i_bdev->bd_disk->private_data; | |
10077 | if (!dev) { | |
10078 | return -EINVAL; | |
10079 | } | |
10080 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(3,9,0)) | |
10081 | static int ssd_block_release(struct gendisk *disk, fmode_t mode) | |
10082 | { | |
10083 | struct ssd_device *dev; | |
10084 | ||
10085 | if (!disk) { | |
10086 | return -EINVAL; | |
10087 | } | |
10088 | ||
10089 | dev = disk->private_data; | |
10090 | if (!dev) { | |
10091 | return -EINVAL; | |
10092 | } | |
10093 | #else | |
10094 | static void ssd_block_release(struct gendisk *disk, fmode_t mode) | |
10095 | { | |
10096 | struct ssd_device *dev; | |
10097 | ||
10098 | if (!disk) { | |
10099 | return; | |
10100 | } | |
10101 | ||
10102 | dev = disk->private_data; | |
10103 | if (!dev) { | |
10104 | return; | |
10105 | } | |
10106 | #endif | |
10107 | ||
10108 | atomic_dec(&dev->refcnt); | |
10109 | ||
10110 | ssd_put(dev); | |
10111 | ||
10112 | //module_put(dev->owner); | |
10113 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(3,9,0)) | |
10114 | return 0; | |
10115 | #endif | |
10116 | } | |
10117 | ||
10118 | static struct block_device_operations ssd_fops = { | |
10119 | .owner = THIS_MODULE, | |
10120 | .open = ssd_block_open, | |
10121 | .release = ssd_block_release, | |
10122 | .ioctl = ssd_block_ioctl, | |
10123 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)) | |
10124 | .getgeo = ssd_block_getgeo, | |
10125 | #endif | |
10126 | }; | |
10127 | ||
10128 | static void ssd_init_trim(ssd_device_t *dev) | |
10129 | { | |
10130 | #if (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))) | |
10131 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
10132 | return; | |
10133 | } | |
10134 | queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, dev->rq); | |
10135 | ||
10136 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) || (defined RHEL_MAJOR && RHEL_MAJOR >= 6)) | |
10137 | dev->rq->limits.discard_zeroes_data = 1; | |
10138 | dev->rq->limits.discard_alignment = 4096; | |
10139 | dev->rq->limits.discard_granularity = 4096; | |
10140 | #endif | |
10141 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2_4) { | |
10142 | dev->rq->limits.max_discard_sectors = dev->hw_info.sg_max_sec; | |
10143 | } else { | |
10144 | dev->rq->limits.max_discard_sectors = (dev->hw_info.sg_max_sec) * (dev->hw_info.cmd_max_sg); | |
10145 | } | |
10146 | #endif | |
10147 | } | |
10148 | ||
10149 | static void ssd_cleanup_queue(struct ssd_device *dev) | |
10150 | { | |
10151 | ssd_wait_io(dev); | |
10152 | ||
10153 | blk_cleanup_queue(dev->rq); | |
10154 | dev->rq = NULL; | |
10155 | } | |
10156 | ||
10157 | static int ssd_init_queue(struct ssd_device *dev) | |
10158 | { | |
10159 | dev->rq = blk_alloc_queue(GFP_KERNEL); | |
10160 | if (dev->rq == NULL) { | |
10161 | hio_warn("%s: alloc queue: failed\n ", dev->name); | |
10162 | goto out_init_queue; | |
10163 | } | |
10164 | ||
10165 | /* must be first */ | |
10166 | blk_queue_make_request(dev->rq, ssd_make_request); | |
10167 | ||
10168 | #if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)) && !(defined RHEL_MAJOR && RHEL_MAJOR == 6)) | |
10169 | blk_queue_max_hw_segments(dev->rq, dev->hw_info.cmd_max_sg); | |
10170 | blk_queue_max_phys_segments(dev->rq, dev->hw_info.cmd_max_sg); | |
10171 | blk_queue_max_sectors(dev->rq, dev->hw_info.sg_max_sec); | |
10172 | #else | |
10173 | blk_queue_max_segments(dev->rq, dev->hw_info.cmd_max_sg); | |
10174 | blk_queue_max_hw_sectors(dev->rq, dev->hw_info.sg_max_sec); | |
10175 | #endif | |
10176 | ||
10177 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)) | |
10178 | blk_queue_hardsect_size(dev->rq, 512); | |
10179 | #else | |
10180 | blk_queue_logical_block_size(dev->rq, 512); | |
10181 | #endif | |
10182 | /* not work for make_request based drivers(bio) */ | |
10183 | blk_queue_max_segment_size(dev->rq, dev->hw_info.sg_max_sec << 9); | |
10184 | ||
10185 | blk_queue_bounce_limit(dev->rq, BLK_BOUNCE_HIGH); | |
10186 | ||
10187 | dev->rq->queuedata = dev; | |
10188 | ||
10189 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
10190 | blk_queue_issue_flush_fn(dev->rq, ssd_issue_flush_fn); | |
10191 | #endif | |
10192 | ||
10193 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)) | |
10194 | queue_flag_set_unlocked(QUEUE_FLAG_NONROT, dev->rq); | |
10195 | #endif | |
10196 | ||
10197 | ssd_init_trim(dev); | |
10198 | ||
10199 | return 0; | |
10200 | ||
10201 | out_init_queue: | |
10202 | return -ENOMEM; | |
10203 | } | |
10204 | ||
10205 | static void ssd_cleanup_blkdev(struct ssd_device *dev) | |
10206 | { | |
10207 | del_gendisk(dev->gd); | |
10208 | } | |
10209 | ||
10210 | static int ssd_init_blkdev(struct ssd_device *dev) | |
10211 | { | |
10212 | if (dev->gd) { | |
10213 | put_disk(dev->gd); | |
10214 | } | |
10215 | ||
10216 | dev->gd = alloc_disk(ssd_minors); | |
10217 | if (!dev->gd) { | |
10218 | hio_warn("%s: alloc_disk fail\n", dev->name); | |
10219 | goto out_alloc_gd; | |
10220 | } | |
10221 | dev->gd->major = dev->major; | |
10222 | dev->gd->first_minor = dev->idx * ssd_minors; | |
10223 | dev->gd->fops = &ssd_fops; | |
10224 | dev->gd->queue = dev->rq; | |
10225 | dev->gd->private_data = dev; | |
10226 | dev->gd->driverfs_dev = &dev->pdev->dev; | |
10227 | snprintf (dev->gd->disk_name, sizeof(dev->gd->disk_name), "%s", dev->name); | |
10228 | ||
10229 | set_capacity(dev->gd, dev->hw_info.size >> 9); | |
10230 | ||
10231 | add_disk(dev->gd); | |
10232 | ||
10233 | return 0; | |
10234 | ||
10235 | out_alloc_gd: | |
10236 | return -ENOMEM; | |
10237 | } | |
10238 | ||
10239 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10)) | |
10240 | static int ssd_ioctl(struct inode *inode, struct file *file, | |
10241 | unsigned int cmd, unsigned long arg) | |
10242 | #else | |
10243 | static long ssd_ioctl(struct file *file, | |
10244 | unsigned int cmd, unsigned long arg) | |
10245 | #endif | |
10246 | { | |
10247 | struct ssd_device *dev; | |
10248 | ||
10249 | if (!file) { | |
10250 | return -EINVAL; | |
10251 | } | |
10252 | ||
10253 | dev = file->private_data; | |
10254 | if (!dev) { | |
10255 | return -EINVAL; | |
10256 | } | |
10257 | ||
10258 | return (long)ssd_ioctl_common(dev, cmd, arg); | |
10259 | } | |
10260 | ||
10261 | static int ssd_open(struct inode *inode, struct file *file) | |
10262 | { | |
10263 | struct ssd_device *dev = NULL; | |
10264 | struct ssd_device *n = NULL; | |
10265 | int idx; | |
10266 | int ret = -ENODEV; | |
10267 | ||
10268 | if (!inode || !file) { | |
10269 | return -EINVAL; | |
10270 | } | |
10271 | ||
10272 | idx = iminor(inode); | |
10273 | ||
10274 | list_for_each_entry_safe(dev, n, &ssd_list, list) { | |
10275 | if (dev->idx == idx) { | |
10276 | ret = 0; | |
10277 | break; | |
10278 | } | |
10279 | } | |
10280 | ||
10281 | if (ret) { | |
10282 | return ret; | |
10283 | } | |
10284 | ||
10285 | file->private_data = dev; | |
10286 | ||
10287 | ssd_get(dev); | |
10288 | ||
10289 | return 0; | |
10290 | } | |
10291 | ||
10292 | static int ssd_release(struct inode *inode, struct file *file) | |
10293 | { | |
10294 | struct ssd_device *dev; | |
10295 | ||
10296 | if (!file) { | |
10297 | return -EINVAL; | |
10298 | } | |
10299 | ||
10300 | dev = file->private_data; | |
10301 | if (!dev) { | |
10302 | return -EINVAL; | |
10303 | } | |
10304 | ||
10305 | ssd_put(dev); | |
10306 | ||
10307 | file->private_data = NULL; | |
10308 | ||
10309 | return 0; | |
10310 | } | |
10311 | ||
10312 | static struct file_operations ssd_cfops = { | |
10313 | .owner = THIS_MODULE, | |
10314 | .open = ssd_open, | |
10315 | .release = ssd_release, | |
10316 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10)) | |
10317 | .ioctl = ssd_ioctl, | |
10318 | #else | |
10319 | .unlocked_ioctl = ssd_ioctl, | |
10320 | #endif | |
10321 | }; | |
10322 | ||
10323 | static void ssd_cleanup_chardev(struct ssd_device *dev) | |
10324 | { | |
10325 | if (dev->slave) { | |
10326 | return; | |
10327 | } | |
10328 | ||
10329 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) | |
10330 | class_simple_device_remove(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx)); | |
10331 | devfs_remove("c%s", dev->name); | |
10332 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,14)) | |
10333 | class_device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx)); | |
10334 | devfs_remove("c%s", dev->name); | |
10335 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17)) | |
10336 | class_device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx)); | |
10337 | devfs_remove("c%s", dev->name); | |
10338 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24)) | |
10339 | class_device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx)); | |
10340 | #else | |
10341 | device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx)); | |
10342 | #endif | |
10343 | } | |
10344 | ||
10345 | static int ssd_init_chardev(struct ssd_device *dev) | |
10346 | { | |
10347 | int ret = 0; | |
10348 | ||
10349 | if (dev->slave) { | |
10350 | return 0; | |
10351 | } | |
10352 | ||
10353 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) | |
10354 | ret = devfs_mk_cdev(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), S_IFCHR|S_IRUSR|S_IWUSR, "c%s", dev->name); | |
10355 | if (ret) { | |
10356 | goto out; | |
10357 | } | |
10358 | class_simple_device_add(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name); | |
10359 | out: | |
10360 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,14)) | |
10361 | ret = devfs_mk_cdev(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), S_IFCHR|S_IRUSR|S_IWUSR, "c%s", dev->name); | |
10362 | if (ret) { | |
10363 | goto out; | |
10364 | } | |
10365 | class_device_create(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name); | |
10366 | out: | |
10367 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17)) | |
10368 | ret = devfs_mk_cdev(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), S_IFCHR|S_IRUSR|S_IWUSR, "c%s", dev->name); | |
10369 | if (ret) { | |
10370 | goto out; | |
10371 | } | |
10372 | class_device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name); | |
10373 | out: | |
10374 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24)) | |
10375 | class_device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name); | |
10376 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)) | |
10377 | device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), "c%s", dev->name); | |
10378 | #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)) | |
10379 | device_create_drvdata(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name); | |
10380 | #else | |
10381 | device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name); | |
10382 | #endif | |
10383 | ||
10384 | return ret; | |
10385 | } | |
10386 | ||
10387 | static int ssd_check_hw(struct ssd_device *dev) | |
10388 | { | |
10389 | uint32_t test_data = 0x55AA5AA5; | |
10390 | uint32_t read_data; | |
10391 | ||
10392 | ssd_reg32_write(dev->ctrlp + SSD_BRIDGE_TEST_REG, test_data); | |
10393 | read_data = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_TEST_REG); | |
10394 | if (read_data != ~(test_data)) { | |
10395 | //hio_warn("%s: check bridge error: %#x\n", dev->name, read_data); | |
10396 | return -1; | |
10397 | } | |
10398 | ||
10399 | return 0; | |
10400 | } | |
10401 | ||
10402 | static int ssd_check_fw(struct ssd_device *dev) | |
10403 | { | |
10404 | uint32_t val = 0; | |
10405 | int i; | |
10406 | ||
10407 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) { | |
10408 | return 0; | |
10409 | } | |
10410 | ||
10411 | for (i=0; i<SSD_CONTROLLER_WAIT; i++) { | |
10412 | val = ssd_reg32_read(dev->ctrlp + SSD_HW_STATUS_REG); | |
10413 | if ((val & 0x1) && ((val >> 8) & 0x1)) { | |
10414 | break; | |
10415 | } | |
10416 | ||
10417 | msleep(SSD_INIT_WAIT); | |
10418 | } | |
10419 | ||
10420 | if (!(val & 0x1)) { | |
10421 | /* controller fw status */ | |
10422 | hio_warn("%s: controller firmware load failed: %#x\n", dev->name, val); | |
10423 | return -1; | |
10424 | } else if (!((val >> 8) & 0x1)) { | |
10425 | /* controller state */ | |
10426 | hio_warn("%s: controller state error: %#x\n", dev->name, val); | |
10427 | return -1; | |
10428 | } | |
10429 | ||
10430 | val = ssd_reg32_read(dev->ctrlp + SSD_RELOAD_FW_REG); | |
10431 | if (val) { | |
10432 | dev->reload_fw = 1; | |
10433 | } | |
10434 | ||
10435 | return 0; | |
10436 | } | |
10437 | ||
10438 | static int ssd_init_fw_info(struct ssd_device *dev) | |
10439 | { | |
10440 | uint32_t val; | |
10441 | int ret = 0; | |
10442 | ||
10443 | val = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_VER_REG); | |
10444 | dev->hw_info.bridge_ver = val & 0xFFF; | |
10445 | if (dev->hw_info.bridge_ver < SSD_FW_MIN) { | |
10446 | hio_warn("%s: bridge firmware version %03X is not supported\n", dev->name, dev->hw_info.bridge_ver); | |
10447 | return -EINVAL; | |
10448 | } | |
10449 | hio_info("%s: bridge firmware version: %03X\n", dev->name, dev->hw_info.bridge_ver); | |
10450 | ||
10451 | ret = ssd_check_fw(dev); | |
10452 | if (ret) { | |
10453 | goto out; | |
10454 | } | |
10455 | ||
10456 | out: | |
10457 | /* skip error if not in standard mode */ | |
10458 | if (mode != SSD_DRV_MODE_STANDARD) { | |
10459 | ret = 0; | |
10460 | } | |
10461 | return ret; | |
10462 | } | |
10463 | ||
10464 | static int ssd_check_clock(struct ssd_device *dev) | |
10465 | { | |
10466 | uint32_t val; | |
10467 | int ret = 0; | |
10468 | ||
10469 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) { | |
10470 | return 0; | |
10471 | } | |
10472 | ||
10473 | val = ssd_reg32_read(dev->ctrlp + SSD_HW_STATUS_REG); | |
10474 | ||
10475 | /* clock status */ | |
10476 | if (!((val >> 4 ) & 0x1)) { | |
10477 | if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_166M_LOST), &dev->hwmon)) { | |
10478 | hio_warn("%s: 166MHz clock losed: %#x\n", dev->name, val); | |
10479 | ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val); | |
10480 | } | |
10481 | ret = -1; | |
10482 | } | |
10483 | ||
10484 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
10485 | if (!((val >> 5 ) & 0x1)) { | |
10486 | if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_166M_SKEW), &dev->hwmon)) { | |
10487 | hio_warn("%s: 166MHz clock is skew: %#x\n", dev->name, val); | |
10488 | ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val); | |
10489 | } | |
10490 | ret = -1; | |
10491 | } | |
10492 | if (!((val >> 6 ) & 0x1)) { | |
10493 | if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_156M_LOST), &dev->hwmon)) { | |
10494 | hio_warn("%s: 156.25MHz clock lost: %#x\n", dev->name, val); | |
10495 | ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val); | |
10496 | } | |
10497 | ret = -1; | |
10498 | } | |
10499 | if (!((val >> 7 ) & 0x1)) { | |
10500 | if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_156M_SKEW), &dev->hwmon)) { | |
10501 | hio_warn("%s: 156.25MHz clock is skew: %#x\n", dev->name, val); | |
10502 | ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val); | |
10503 | } | |
10504 | ret = -1; | |
10505 | } | |
10506 | } | |
10507 | ||
10508 | return ret; | |
10509 | } | |
10510 | ||
10511 | static int ssd_check_volt(struct ssd_device *dev) | |
10512 | { | |
10513 | int i = 0; | |
10514 | uint64_t val; | |
10515 | uint32_t adc_val; | |
10516 | int ret =0; | |
10517 | ||
10518 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
10519 | return 0; | |
10520 | } | |
10521 | ||
10522 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
10523 | /* 1.0v */ | |
10524 | if (!test_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V0), &dev->hwmon)) { | |
10525 | val = ssd_reg_read(dev->ctrlp + SSD_FPGA_1V0_REG0 + i * SSD_CTRL_REG_ZONE_SZ); | |
10526 | adc_val = SSD_FPGA_VOLT_MAX(val); | |
10527 | if (adc_val < SSD_FPGA_1V0_ADC_MIN || adc_val > SSD_FPGA_1V0_ADC_MAX) { | |
10528 | (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V0), &dev->hwmon); | |
10529 | hio_warn("%s: controller %d 1.0V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val)); | |
10530 | ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V0, i, adc_val)); | |
10531 | ret = -1; | |
10532 | } | |
10533 | ||
10534 | adc_val = SSD_FPGA_VOLT_MIN(val); | |
10535 | if (adc_val < SSD_FPGA_1V0_ADC_MIN || adc_val > SSD_FPGA_1V0_ADC_MAX) { | |
10536 | (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V0), &dev->hwmon); | |
10537 | hio_warn("%s: controller %d 1.0V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val)); | |
10538 | ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V0, i, adc_val)); | |
10539 | ret = -2; | |
10540 | } | |
10541 | } | |
10542 | ||
10543 | /* 1.8v */ | |
10544 | if (!test_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V8), &dev->hwmon)) { | |
10545 | val = ssd_reg_read(dev->ctrlp + SSD_FPGA_1V8_REG0 + i * SSD_CTRL_REG_ZONE_SZ); | |
10546 | adc_val = SSD_FPGA_VOLT_MAX(val); | |
10547 | if (adc_val < SSD_FPGA_1V8_ADC_MIN || adc_val > SSD_FPGA_1V8_ADC_MAX) { | |
10548 | (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V8), &dev->hwmon); | |
10549 | hio_warn("%s: controller %d 1.8V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val)); | |
10550 | ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V8, i, adc_val)); | |
10551 | ret = -3; | |
10552 | } | |
10553 | ||
10554 | adc_val = SSD_FPGA_VOLT_MIN(val); | |
10555 | if (adc_val < SSD_FPGA_1V8_ADC_MIN || adc_val > SSD_FPGA_1V8_ADC_MAX) { | |
10556 | (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V8), &dev->hwmon); | |
10557 | hio_warn("%s: controller %d 1.8V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val)); | |
10558 | ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V8, i, adc_val)); | |
10559 | ret = -4; | |
10560 | } | |
10561 | } | |
10562 | } | |
10563 | ||
10564 | return ret; | |
10565 | } | |
10566 | ||
10567 | static int ssd_check_reset_sync(struct ssd_device *dev) | |
10568 | { | |
10569 | uint32_t val; | |
10570 | ||
10571 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) { | |
10572 | return 0; | |
10573 | } | |
10574 | ||
10575 | val = ssd_reg32_read(dev->ctrlp + SSD_HW_STATUS_REG); | |
10576 | if (!((val >> 8) & 0x1)) { | |
10577 | /* controller state */ | |
10578 | hio_warn("%s: controller state error: %#x\n", dev->name, val); | |
10579 | return -1; | |
10580 | } | |
10581 | ||
10582 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
10583 | return 0; | |
10584 | } | |
10585 | ||
10586 | if (((val >> 9 ) & 0x1)) { | |
10587 | hio_warn("%s: controller reset asynchronously: %#x\n", dev->name, val); | |
10588 | ssd_gen_swlog(dev, SSD_LOG_CTRL_RST_SYNC, val); | |
10589 | return -1; | |
10590 | } | |
10591 | ||
10592 | return 0; | |
10593 | } | |
10594 | ||
10595 | static int ssd_check_hw_bh(struct ssd_device *dev) | |
10596 | { | |
10597 | int ret; | |
10598 | ||
10599 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) { | |
10600 | return 0; | |
10601 | } | |
10602 | ||
10603 | /* clock status */ | |
10604 | ret = ssd_check_clock(dev); | |
10605 | if (ret) { | |
10606 | goto out; | |
10607 | } | |
10608 | ||
10609 | out: | |
10610 | /* skip error if not in standard mode */ | |
10611 | if (mode != SSD_DRV_MODE_STANDARD) { | |
10612 | ret = 0; | |
10613 | } | |
10614 | return ret; | |
10615 | } | |
10616 | ||
10617 | static int ssd_check_controller(struct ssd_device *dev) | |
10618 | { | |
10619 | int ret; | |
10620 | ||
10621 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) { | |
10622 | return 0; | |
10623 | } | |
10624 | ||
10625 | /* sync reset */ | |
10626 | ret = ssd_check_reset_sync(dev); | |
10627 | if (ret) { | |
10628 | goto out; | |
10629 | } | |
10630 | ||
10631 | out: | |
10632 | /* skip error if not in standard mode */ | |
10633 | if (mode != SSD_DRV_MODE_STANDARD) { | |
10634 | ret = 0; | |
10635 | } | |
10636 | return ret; | |
10637 | } | |
10638 | ||
10639 | static int ssd_check_controller_bh(struct ssd_device *dev) | |
10640 | { | |
10641 | uint32_t test_data = 0x55AA5AA5; | |
10642 | uint32_t val; | |
10643 | int reg_base, reg_sz; | |
10644 | int init_wait = 0; | |
10645 | int i; | |
10646 | int ret = 0; | |
10647 | ||
10648 | if (mode != SSD_DRV_MODE_STANDARD) { | |
10649 | return 0; | |
10650 | } | |
10651 | ||
10652 | /* controller */ | |
10653 | val = ssd_reg32_read(dev->ctrlp + SSD_READY_REG); | |
10654 | if (val & 0x1) { | |
10655 | hio_warn("%s: controller 0 not ready\n", dev->name); | |
10656 | return -1; | |
10657 | } | |
10658 | ||
10659 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
10660 | reg_base = SSD_CTRL_TEST_REG0 + i * SSD_CTRL_TEST_REG_SZ; | |
10661 | ssd_reg32_write(dev->ctrlp + reg_base, test_data); | |
10662 | val = ssd_reg32_read(dev->ctrlp + reg_base); | |
10663 | if (val != ~(test_data)) { | |
10664 | hio_warn("%s: check controller %d error: %#x\n", dev->name, i, val); | |
10665 | return -1; | |
10666 | } | |
10667 | } | |
10668 | ||
10669 | /* clock */ | |
10670 | ret = ssd_check_volt(dev); | |
10671 | if (ret) { | |
10672 | return ret; | |
10673 | } | |
10674 | ||
10675 | /* ddr */ | |
10676 | if (dev->protocol_info.ver > SSD_PROTOCOL_V3) { | |
10677 | reg_base = SSD_PV3_RAM_STATUS_REG0; | |
10678 | reg_sz = SSD_PV3_RAM_STATUS_REG_SZ; | |
10679 | ||
10680 | for (i=0; i<dev->hw_info.nr_ctrl; i++) { | |
10681 | check_ram_status: | |
10682 | val = ssd_reg32_read(dev->ctrlp + reg_base); | |
10683 | ||
10684 | if (!((val >> 1) & 0x1)) { | |
10685 | init_wait++; | |
10686 | if (init_wait <= SSD_RAM_INIT_MAX_WAIT) { | |
10687 | msleep(SSD_INIT_WAIT); | |
10688 | goto check_ram_status; | |
10689 | } else { | |
10690 | hio_warn("%s: controller %d ram init failed: %#x\n", dev->name, i, val); | |
10691 | ssd_gen_swlog(dev, SSD_LOG_DDR_INIT_ERR, i); | |
10692 | return -1; | |
10693 | } | |
10694 | } | |
10695 | ||
10696 | reg_base += reg_sz; | |
10697 | } | |
10698 | } | |
10699 | ||
10700 | /* ch info */ | |
10701 | for (i=0; i<SSD_CH_INFO_MAX_WAIT; i++) { | |
10702 | val = ssd_reg32_read(dev->ctrlp + SSD_CH_INFO_REG); | |
10703 | if (!((val >> 31) & 0x1)) { | |
10704 | break; | |
10705 | } | |
10706 | ||
10707 | msleep(SSD_INIT_WAIT); | |
10708 | } | |
10709 | if ((val >> 31) & 0x1) { | |
10710 | hio_warn("%s: channel info init failed: %#x\n", dev->name, val); | |
10711 | return -1; | |
10712 | } | |
10713 | ||
10714 | return 0; | |
10715 | } | |
10716 | ||
10717 | static int ssd_init_protocol_info(struct ssd_device *dev) | |
10718 | { | |
10719 | uint32_t val; | |
10720 | ||
10721 | val = ssd_reg32_read(dev->ctrlp + SSD_PROTOCOL_VER_REG); | |
10722 | if (val == (uint32_t)-1) { | |
10723 | hio_warn("%s: protocol version error: %#x\n", dev->name, val); | |
10724 | return -EINVAL; | |
10725 | } | |
10726 | dev->protocol_info.ver = val; | |
10727 | ||
10728 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
10729 | dev->protocol_info.init_state_reg = SSD_INIT_STATE_REG0; | |
10730 | dev->protocol_info.init_state_reg_sz = SSD_INIT_STATE_REG_SZ; | |
10731 | ||
10732 | dev->protocol_info.chip_info_reg = SSD_CHIP_INFO_REG0; | |
10733 | dev->protocol_info.chip_info_reg_sz = SSD_CHIP_INFO_REG_SZ; | |
10734 | } else { | |
10735 | dev->protocol_info.init_state_reg = SSD_PV3_INIT_STATE_REG0; | |
10736 | dev->protocol_info.init_state_reg_sz = SSD_PV3_INIT_STATE_REG_SZ; | |
10737 | ||
10738 | dev->protocol_info.chip_info_reg = SSD_PV3_CHIP_INFO_REG0; | |
10739 | dev->protocol_info.chip_info_reg_sz = SSD_PV3_CHIP_INFO_REG_SZ; | |
10740 | } | |
10741 | ||
10742 | return 0; | |
10743 | } | |
10744 | ||
10745 | static int ssd_init_hw_info(struct ssd_device *dev) | |
10746 | { | |
10747 | uint64_t val64; | |
10748 | uint32_t val; | |
10749 | uint32_t nr_ctrl; | |
10750 | int ret = 0; | |
10751 | ||
10752 | /* base info */ | |
10753 | val = ssd_reg32_read(dev->ctrlp + SSD_RESP_INFO_REG); | |
10754 | dev->hw_info.resp_ptr_sz = 16 * (1U << (val & 0xFF)); | |
10755 | dev->hw_info.resp_msg_sz = 16 * (1U << ((val >> 8) & 0xFF)); | |
10756 | ||
10757 | if (0 == dev->hw_info.resp_ptr_sz || 0 == dev->hw_info.resp_msg_sz) { | |
10758 | hio_warn("%s: response info error\n", dev->name); | |
10759 | ret = -EINVAL; | |
10760 | goto out; | |
10761 | } | |
10762 | ||
10763 | val = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_INFO_REG); | |
10764 | dev->hw_info.cmd_fifo_sz = 1U << ((val >> 4) & 0xF); | |
10765 | dev->hw_info.cmd_max_sg = 1U << ((val >> 8) & 0xF); | |
10766 | dev->hw_info.sg_max_sec = 1U << ((val >> 12) & 0xF); | |
10767 | dev->hw_info.cmd_fifo_sz_mask = dev->hw_info.cmd_fifo_sz - 1; | |
10768 | ||
10769 | if (0 == dev->hw_info.cmd_fifo_sz || 0 == dev->hw_info.cmd_max_sg || 0 == dev->hw_info.sg_max_sec) { | |
10770 | hio_warn("%s: cmd info error\n", dev->name); | |
10771 | ret = -EINVAL; | |
10772 | goto out; | |
10773 | } | |
10774 | ||
10775 | /* check hw */ | |
10776 | if (ssd_check_hw_bh(dev)) { | |
10777 | hio_warn("%s: check hardware status failed\n", dev->name); | |
10778 | ret = -EINVAL; | |
10779 | goto out; | |
10780 | } | |
10781 | ||
10782 | if (ssd_check_controller(dev)) { | |
10783 | hio_warn("%s: check controller state failed\n", dev->name); | |
10784 | ret = -EINVAL; | |
10785 | goto out; | |
10786 | } | |
10787 | ||
10788 | /* nr controller : read again*/ | |
10789 | val = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_INFO_REG); | |
10790 | dev->hw_info.nr_ctrl = (val >> 16) & 0xF; | |
10791 | ||
10792 | /* nr ctrl configured */ | |
10793 | nr_ctrl = (val >> 20) & 0xF; | |
10794 | if (0 == dev->hw_info.nr_ctrl) { | |
10795 | hio_warn("%s: nr controller error: %u\n", dev->name, dev->hw_info.nr_ctrl); | |
10796 | ret = -EINVAL; | |
10797 | goto out; | |
10798 | } else if (0 != nr_ctrl && nr_ctrl != dev->hw_info.nr_ctrl) { | |
10799 | hio_warn("%s: nr controller error: configured %u but found %u\n", dev->name, nr_ctrl, dev->hw_info.nr_ctrl); | |
10800 | if (mode <= SSD_DRV_MODE_STANDARD) { | |
10801 | ret = -EINVAL; | |
10802 | goto out; | |
10803 | } | |
10804 | } | |
10805 | ||
10806 | if (ssd_check_controller_bh(dev)) { | |
10807 | hio_warn("%s: check controller failed\n", dev->name); | |
10808 | ret = -EINVAL; | |
10809 | goto out; | |
10810 | } | |
10811 | ||
10812 | val = ssd_reg32_read(dev->ctrlp + SSD_PCB_VER_REG); | |
10813 | dev->hw_info.pcb_ver = (uint8_t) ((val >> 4) & 0xF) + 'A' -1; | |
10814 | if ((val & 0xF) != 0xF) { | |
10815 | dev->hw_info.upper_pcb_ver = (uint8_t) (val & 0xF) + 'A' -1; | |
10816 | } | |
10817 | ||
10818 | if (dev->hw_info.pcb_ver < 'A' || (0 != dev->hw_info.upper_pcb_ver && dev->hw_info.upper_pcb_ver < 'A')) { | |
10819 | hio_warn("%s: PCB version error: %#x %#x\n", dev->name, dev->hw_info.pcb_ver, dev->hw_info.upper_pcb_ver); | |
10820 | ret = -EINVAL; | |
10821 | goto out; | |
10822 | } | |
10823 | ||
10824 | /* channel info */ | |
10825 | if (mode <= SSD_DRV_MODE_DEBUG) { | |
10826 | val = ssd_reg32_read(dev->ctrlp + SSD_CH_INFO_REG); | |
10827 | dev->hw_info.nr_data_ch = val & 0xFF; | |
10828 | dev->hw_info.nr_ch = dev->hw_info.nr_data_ch + ((val >> 8) & 0xFF); | |
10829 | dev->hw_info.nr_chip = (val >> 16) & 0xFF; | |
10830 | ||
10831 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
10832 | dev->hw_info.max_ch = 1; | |
10833 | while (dev->hw_info.max_ch < dev->hw_info.nr_ch) dev->hw_info.max_ch <<= 1; | |
10834 | } else { | |
10835 | /* set max channel 32 */ | |
10836 | dev->hw_info.max_ch = 32; | |
10837 | } | |
10838 | ||
10839 | if (0 == dev->hw_info.nr_chip) { | |
10840 | //for debug mode | |
10841 | dev->hw_info.nr_chip = 1; | |
10842 | } | |
10843 | ||
10844 | //xx | |
10845 | dev->hw_info.id_size = SSD_NAND_ID_SZ; | |
10846 | dev->hw_info.max_ce = SSD_NAND_MAX_CE; | |
10847 | ||
10848 | if (0 == dev->hw_info.nr_data_ch || 0 == dev->hw_info.nr_ch || 0 == dev->hw_info.nr_chip) { | |
10849 | hio_warn("%s: channel info error: data_ch %u ch %u chip %u\n", dev->name, dev->hw_info.nr_data_ch, dev->hw_info.nr_ch, dev->hw_info.nr_chip); | |
10850 | ret = -EINVAL; | |
10851 | goto out; | |
10852 | } | |
10853 | } | |
10854 | ||
10855 | /* ram info */ | |
10856 | if (mode <= SSD_DRV_MODE_DEBUG) { | |
10857 | val = ssd_reg32_read(dev->ctrlp + SSD_RAM_INFO_REG); | |
10858 | dev->hw_info.ram_size = 0x4000000ull * (1ULL << (val & 0xF)); | |
10859 | dev->hw_info.ram_align = 1U << ((val >> 12) & 0xF); | |
10860 | if (dev->hw_info.ram_align < SSD_RAM_ALIGN) { | |
10861 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
10862 | dev->hw_info.ram_align = SSD_RAM_ALIGN; | |
10863 | } else { | |
10864 | hio_warn("%s: ram align error: %u\n", dev->name, dev->hw_info.ram_align); | |
10865 | ret = -EINVAL; | |
10866 | goto out; | |
10867 | } | |
10868 | } | |
10869 | dev->hw_info.ram_max_len = 0x1000 * (1U << ((val >> 16) & 0xF)); | |
10870 | ||
10871 | if (0 == dev->hw_info.ram_size || 0 == dev->hw_info.ram_align || 0 == dev->hw_info.ram_max_len || dev->hw_info.ram_align > dev->hw_info.ram_max_len) { | |
10872 | hio_warn("%s: ram info error\n", dev->name); | |
10873 | ret = -EINVAL; | |
10874 | goto out; | |
10875 | } | |
10876 | ||
10877 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
10878 | dev->hw_info.log_sz = SSD_LOG_MAX_SZ; | |
10879 | } else { | |
10880 | val = ssd_reg32_read(dev->ctrlp + SSD_LOG_INFO_REG); | |
10881 | dev->hw_info.log_sz = 0x1000 * (1U << (val & 0xFF)); | |
10882 | } | |
10883 | if (0 == dev->hw_info.log_sz) { | |
10884 | hio_warn("%s: log size error\n", dev->name); | |
10885 | ret = -EINVAL; | |
10886 | goto out; | |
10887 | } | |
10888 | ||
10889 | val = ssd_reg32_read(dev->ctrlp + SSD_BBT_BASE_REG); | |
10890 | dev->hw_info.bbt_base = 0x40000ull * (val & 0xFFFF); | |
10891 | dev->hw_info.bbt_size = 0x40000 * (((val >> 16) & 0xFFFF) + 1) / (dev->hw_info.max_ch * dev->hw_info.nr_chip); | |
10892 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
10893 | if (dev->hw_info.bbt_base > dev->hw_info.ram_size || 0 == dev->hw_info.bbt_size) { | |
10894 | hio_warn("%s: bbt info error\n", dev->name); | |
10895 | ret = -EINVAL; | |
10896 | goto out; | |
10897 | } | |
10898 | } | |
10899 | ||
10900 | val = ssd_reg32_read(dev->ctrlp + SSD_ECT_BASE_REG); | |
10901 | dev->hw_info.md_base = 0x40000ull * (val & 0xFFFF); | |
10902 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
10903 | dev->hw_info.md_size = 0x40000 * (((val >> 16) & 0xFFF) + 1) / (dev->hw_info.max_ch * dev->hw_info.nr_chip); | |
10904 | } else { | |
10905 | dev->hw_info.md_size = 0x40000 * (((val >> 16) & 0xFFF) + 1) / (dev->hw_info.nr_chip); | |
10906 | } | |
10907 | dev->hw_info.md_entry_sz = 8 * (1U << ((val >> 28) & 0xF)); | |
10908 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3) { | |
10909 | if (dev->hw_info.md_base > dev->hw_info.ram_size || 0 == dev->hw_info.md_size || | |
10910 | 0 == dev->hw_info.md_entry_sz || dev->hw_info.md_entry_sz > dev->hw_info.md_size) { | |
10911 | hio_warn("%s: md info error\n", dev->name); | |
10912 | ret = -EINVAL; | |
10913 | goto out; | |
10914 | } | |
10915 | } | |
10916 | ||
10917 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
10918 | dev->hw_info.nand_wbuff_base = dev->hw_info.ram_size + 1; | |
10919 | } else { | |
10920 | val = ssd_reg32_read(dev->ctrlp + SSD_NAND_BUFF_BASE); | |
10921 | dev->hw_info.nand_wbuff_base = 0x8000ull * val; | |
10922 | } | |
10923 | } | |
10924 | ||
10925 | /* flash info */ | |
10926 | if (mode <= SSD_DRV_MODE_DEBUG) { | |
10927 | if (dev->hw_info.nr_ctrl > 1) { | |
10928 | val = ssd_reg32_read(dev->ctrlp + SSD_CTRL_VER_REG); | |
10929 | dev->hw_info.ctrl_ver = val & 0xFFF; | |
10930 | hio_info("%s: controller firmware version: %03X\n", dev->name, dev->hw_info.ctrl_ver); | |
10931 | } | |
10932 | ||
10933 | val64 = ssd_reg_read(dev->ctrlp + SSD_FLASH_INFO_REG0); | |
10934 | dev->hw_info.nand_vendor_id = ((val64 >> 56) & 0xFF); | |
10935 | dev->hw_info.nand_dev_id = ((val64 >> 48) & 0xFF); | |
10936 | ||
10937 | dev->hw_info.block_count = (((val64 >> 32) & 0xFFFF) + 1); | |
10938 | dev->hw_info.page_count = ((val64>>16) & 0xFFFF); | |
10939 | dev->hw_info.page_size = (val64 & 0xFFFF); | |
10940 | ||
10941 | val = ssd_reg32_read(dev->ctrlp + SSD_BB_INFO_REG); | |
10942 | dev->hw_info.bbf_pages = val & 0xFF; | |
10943 | dev->hw_info.bbf_seek = (val >> 8) & 0x1; | |
10944 | ||
10945 | if (0 == dev->hw_info.block_count || 0 == dev->hw_info.page_count || 0 == dev->hw_info.page_size || dev->hw_info.block_count > INT_MAX) { | |
10946 | hio_warn("%s: flash info error\n", dev->name); | |
10947 | ret = -EINVAL; | |
10948 | goto out; | |
10949 | } | |
10950 | ||
10951 | //xx | |
10952 | dev->hw_info.oob_size = SSD_NAND_OOB_SZ; //(dev->hw_info.page_size) >> 5; | |
10953 | ||
10954 | val = ssd_reg32_read(dev->ctrlp + SSD_VALID_PAGES_REG); | |
10955 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
10956 | dev->hw_info.valid_pages = val & 0x3FF; | |
10957 | dev->hw_info.max_valid_pages = (val>>20) & 0x3FF; | |
10958 | } else { | |
10959 | dev->hw_info.valid_pages = val & 0x7FFF; | |
10960 | dev->hw_info.max_valid_pages = (val>>15) & 0x7FFF; | |
10961 | } | |
10962 | if (0 == dev->hw_info.valid_pages || 0 == dev->hw_info.max_valid_pages || | |
10963 | dev->hw_info.valid_pages > dev->hw_info.max_valid_pages || dev->hw_info.max_valid_pages > dev->hw_info.page_count) { | |
10964 | hio_warn("%s: valid page info error: valid_pages %d, max_valid_pages %d\n", dev->name, dev->hw_info.valid_pages, dev->hw_info.max_valid_pages); | |
10965 | ret = -EINVAL; | |
10966 | goto out; | |
10967 | } | |
10968 | ||
10969 | val = ssd_reg32_read(dev->ctrlp + SSD_RESERVED_BLKS_REG); | |
10970 | dev->hw_info.reserved_blks = val & 0xFFFF; | |
10971 | dev->hw_info.md_reserved_blks = (val >> 16) & 0xFF; | |
10972 | if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) { | |
10973 | dev->hw_info.md_reserved_blks = SSD_BBT_RESERVED; | |
10974 | } | |
10975 | if (dev->hw_info.reserved_blks > dev->hw_info.block_count || dev->hw_info.md_reserved_blks > dev->hw_info.block_count) { | |
10976 | hio_warn("%s: reserved blocks info error: reserved_blks %d, md_reserved_blks %d\n", dev->name, dev->hw_info.reserved_blks, dev->hw_info.md_reserved_blks); | |
10977 | ret = -EINVAL; | |
10978 | goto out; | |
10979 | } | |
10980 | } | |
10981 | ||
10982 | /* size */ | |
10983 | if (mode < SSD_DRV_MODE_DEBUG) { | |
10984 | dev->hw_info.size = (uint64_t)dev->hw_info.valid_pages * dev->hw_info.page_size; | |
10985 | dev->hw_info.size *= (dev->hw_info.block_count - dev->hw_info.reserved_blks); | |
10986 | dev->hw_info.size *= ((uint64_t)dev->hw_info.nr_data_ch * (uint64_t)dev->hw_info.nr_chip * (uint64_t)dev->hw_info.nr_ctrl); | |
10987 | } | |
10988 | ||
10989 | /* extend hardware info */ | |
10990 | val = ssd_reg32_read(dev->ctrlp + SSD_PCB_VER_REG); | |
10991 | dev->hw_info_ext.board_type = (val >> 24) & 0xF; | |
10992 | ||
10993 | dev->hw_info_ext.form_factor = SSD_FORM_FACTOR_FHHL; | |
10994 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2_1) { | |
10995 | dev->hw_info_ext.form_factor = (val >> 31) & 0x1; | |
10996 | } | |
10997 | /* | |
10998 | dev->hw_info_ext.cap_type = (val >> 28) & 0x3; | |
10999 | if (SSD_BM_CAP_VINA != dev->hw_info_ext.cap_type && SSD_BM_CAP_JH != dev->hw_info_ext.cap_type) { | |
11000 | dev->hw_info_ext.cap_type = SSD_BM_CAP_VINA; | |
11001 | }*/ | |
11002 | ||
11003 | /* power loss protect */ | |
11004 | val = ssd_reg32_read(dev->ctrlp + SSD_PLP_INFO_REG); | |
11005 | dev->hw_info_ext.plp_type = (val & 0x3); | |
11006 | if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) { | |
11007 | /* 3 or 4 cap */ | |
11008 | dev->hw_info_ext.cap_type = ((val >> 2)& 0x1); | |
11009 | } | |
11010 | ||
11011 | /* work mode */ | |
11012 | val = ssd_reg32_read(dev->ctrlp + SSD_CH_INFO_REG); | |
11013 | dev->hw_info_ext.work_mode = (val >> 25) & 0x1; | |
11014 | ||
11015 | out: | |
11016 | /* skip error if not in standard mode */ | |
11017 | if (mode != SSD_DRV_MODE_STANDARD) { | |
11018 | ret = 0; | |
11019 | } | |
11020 | return ret; | |
11021 | } | |
11022 | ||
11023 | static void ssd_cleanup_response(struct ssd_device *dev) | |
11024 | { | |
11025 | int resp_msg_sz = dev->hw_info.resp_msg_sz * dev->hw_info.cmd_fifo_sz * SSD_MSIX_VEC; | |
11026 | int resp_ptr_sz = dev->hw_info.resp_ptr_sz * SSD_MSIX_VEC; | |
11027 | ||
11028 | pci_free_consistent(dev->pdev, resp_ptr_sz, dev->resp_ptr_base, dev->resp_ptr_base_dma); | |
11029 | pci_free_consistent(dev->pdev, resp_msg_sz, dev->resp_msg_base, dev->resp_msg_base_dma); | |
11030 | } | |
11031 | ||
11032 | static int ssd_init_response(struct ssd_device *dev) | |
11033 | { | |
11034 | int resp_msg_sz = dev->hw_info.resp_msg_sz * dev->hw_info.cmd_fifo_sz * SSD_MSIX_VEC; | |
11035 | int resp_ptr_sz = dev->hw_info.resp_ptr_sz * SSD_MSIX_VEC; | |
11036 | ||
11037 | dev->resp_msg_base = pci_alloc_consistent(dev->pdev, resp_msg_sz, &(dev->resp_msg_base_dma)); | |
11038 | if (!dev->resp_msg_base) { | |
11039 | hio_warn("%s: unable to allocate resp msg DMA buffer\n", dev->name); | |
11040 | goto out_alloc_resp_msg; | |
11041 | } | |
11042 | memset(dev->resp_msg_base, 0xFF, resp_msg_sz); | |
11043 | ||
11044 | dev->resp_ptr_base = pci_alloc_consistent(dev->pdev, resp_ptr_sz, &(dev->resp_ptr_base_dma)); | |
11045 | if (!dev->resp_ptr_base){ | |
11046 | hio_warn("%s: unable to allocate resp ptr DMA buffer\n", dev->name); | |
11047 | goto out_alloc_resp_ptr; | |
11048 | } | |
11049 | memset(dev->resp_ptr_base, 0, resp_ptr_sz); | |
11050 | dev->resp_idx = *(uint32_t *)(dev->resp_ptr_base) = dev->hw_info.cmd_fifo_sz * 2 - 1; | |
11051 | ||
11052 | ssd_reg_write(dev->ctrlp + SSD_RESP_FIFO_REG, dev->resp_msg_base_dma); | |
11053 | ssd_reg_write(dev->ctrlp + SSD_RESP_PTR_REG, dev->resp_ptr_base_dma); | |
11054 | ||
11055 | return 0; | |
11056 | ||
11057 | out_alloc_resp_ptr: | |
11058 | pci_free_consistent(dev->pdev, resp_msg_sz, dev->resp_msg_base, dev->resp_msg_base_dma); | |
11059 | out_alloc_resp_msg: | |
11060 | return -ENOMEM; | |
11061 | } | |
11062 | ||
11063 | static int ssd_cleanup_cmd(struct ssd_device *dev) | |
11064 | { | |
11065 | int msg_sz = ALIGN(sizeof(struct ssd_rw_msg) + (dev->hw_info.cmd_max_sg - 1) * sizeof(struct ssd_sg_entry), SSD_DMA_ALIGN); | |
11066 | int i; | |
11067 | ||
11068 | for (i=0; i<(int)dev->hw_info.cmd_fifo_sz; i++) { | |
11069 | kfree(dev->cmd[i].sgl); | |
11070 | } | |
11071 | kfree(dev->cmd); | |
11072 | pci_free_consistent(dev->pdev, (msg_sz * dev->hw_info.cmd_fifo_sz), dev->msg_base, dev->msg_base_dma); | |
11073 | return 0; | |
11074 | } | |
11075 | ||
11076 | static int ssd_init_cmd(struct ssd_device *dev) | |
11077 | { | |
11078 | int sgl_sz = sizeof(struct scatterlist) * dev->hw_info.cmd_max_sg; | |
11079 | int cmd_sz = sizeof(struct ssd_cmd) * dev->hw_info.cmd_fifo_sz; | |
11080 | int msg_sz = ALIGN(sizeof(struct ssd_rw_msg) + (dev->hw_info.cmd_max_sg - 1) * sizeof(struct ssd_sg_entry), SSD_DMA_ALIGN); | |
11081 | int i; | |
11082 | ||
11083 | spin_lock_init(&dev->cmd_lock); | |
11084 | ||
11085 | dev->msg_base = pci_alloc_consistent(dev->pdev, (msg_sz * dev->hw_info.cmd_fifo_sz), &dev->msg_base_dma); | |
11086 | if (!dev->msg_base) { | |
11087 | hio_warn("%s: can not alloc cmd msg\n", dev->name); | |
11088 | goto out_alloc_msg; | |
11089 | } | |
11090 | ||
11091 | dev->cmd = kmalloc(cmd_sz, GFP_KERNEL); | |
11092 | if (!dev->cmd) { | |
11093 | hio_warn("%s: can not alloc cmd\n", dev->name); | |
11094 | goto out_alloc_cmd; | |
11095 | } | |
11096 | memset(dev->cmd, 0, cmd_sz); | |
11097 | ||
11098 | for (i=0; i<(int)dev->hw_info.cmd_fifo_sz; i++) { | |
11099 | dev->cmd[i].sgl = kmalloc(sgl_sz, GFP_KERNEL); | |
11100 | if (!dev->cmd[i].sgl) { | |
11101 | hio_warn("%s: can not alloc cmd sgl %d\n", dev->name, i); | |
11102 | goto out_alloc_sgl; | |
11103 | } | |
11104 | ||
11105 | dev->cmd[i].msg = dev->msg_base + (msg_sz * i); | |
11106 | dev->cmd[i].msg_dma = dev->msg_base_dma + ((dma_addr_t)msg_sz * i); | |
11107 | ||
11108 | dev->cmd[i].dev = dev; | |
11109 | dev->cmd[i].tag = i; | |
11110 | dev->cmd[i].flag = 0; | |
11111 | ||
11112 | INIT_LIST_HEAD(&dev->cmd[i].list); | |
11113 | } | |
11114 | ||
11115 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3) { | |
11116 | dev->scmd = ssd_dispatch_cmd; | |
11117 | } else { | |
11118 | ssd_reg_write(dev->ctrlp + SSD_MSG_BASE_REG, dev->msg_base_dma); | |
11119 | if (finject) { | |
11120 | dev->scmd = ssd_send_cmd_db; | |
11121 | } else { | |
11122 | dev->scmd = ssd_send_cmd; | |
11123 | } | |
11124 | } | |
11125 | ||
11126 | return 0; | |
11127 | ||
11128 | out_alloc_sgl: | |
11129 | for (i--; i>=0; i--) { | |
11130 | kfree(dev->cmd[i].sgl); | |
11131 | } | |
11132 | kfree(dev->cmd); | |
11133 | out_alloc_cmd: | |
11134 | pci_free_consistent(dev->pdev, (msg_sz * dev->hw_info.cmd_fifo_sz), dev->msg_base, dev->msg_base_dma); | |
11135 | out_alloc_msg: | |
11136 | return -ENOMEM; | |
11137 | } | |
11138 | ||
11139 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30)) | |
11140 | static irqreturn_t ssd_interrupt_check(int irq, void *dev_id) | |
11141 | { | |
11142 | struct ssd_queue *queue = (struct ssd_queue *)dev_id; | |
11143 | ||
11144 | if (*(uint32_t *)queue->resp_ptr == queue->resp_idx) { | |
11145 | return IRQ_NONE; | |
11146 | } | |
11147 | ||
11148 | return IRQ_WAKE_THREAD; | |
11149 | } | |
11150 | ||
11151 | static irqreturn_t ssd_interrupt_threaded(int irq, void *dev_id) | |
11152 | { | |
11153 | struct ssd_queue *queue = (struct ssd_queue *)dev_id; | |
11154 | struct ssd_device *dev = (struct ssd_device *)queue->dev; | |
11155 | struct ssd_cmd *cmd; | |
11156 | union ssd_response_msq __msg; | |
11157 | union ssd_response_msq *msg = &__msg; | |
11158 | uint64_t *u64_msg; | |
11159 | uint32_t resp_idx = queue->resp_idx; | |
11160 | uint32_t new_resp_idx = *(uint32_t *)queue->resp_ptr; | |
11161 | uint32_t end_resp_idx; | |
11162 | ||
11163 | if (unlikely(resp_idx == new_resp_idx)) { | |
11164 | return IRQ_NONE; | |
11165 | } | |
11166 | ||
11167 | end_resp_idx = new_resp_idx & queue->resp_idx_mask; | |
11168 | ||
11169 | do { | |
11170 | resp_idx = (resp_idx + 1) & queue->resp_idx_mask; | |
11171 | ||
11172 | /* the resp msg */ | |
11173 | u64_msg = (uint64_t *)(queue->resp_msg + queue->resp_msg_sz * resp_idx); | |
11174 | msg->u64_msg = *u64_msg; | |
11175 | ||
11176 | if (unlikely(msg->u64_msg == (uint64_t)(-1))) { | |
11177 | hio_err("%s: empty resp msg: queue %d idx %u\n", dev->name, queue->idx, resp_idx); | |
11178 | continue; | |
11179 | } | |
11180 | /* clear the resp msg */ | |
11181 | *u64_msg = (uint64_t)(-1); | |
11182 | ||
11183 | cmd = &queue->cmd[msg->resp_msg.tag]; | |
11184 | /*if (unlikely(!cmd->bio)) { | |
11185 | printk(KERN_WARNING "%s: unknown tag %d fun %#x\n", | |
11186 | dev->name, msg->resp_msg.tag, msg->resp_msg.fun); | |
11187 | continue; | |
11188 | }*/ | |
11189 | ||
11190 | if(unlikely(msg->resp_msg.status & (uint32_t)status_mask)) { | |
11191 | cmd->errors = -EIO; | |
11192 | } else { | |
11193 | cmd->errors = 0; | |
11194 | } | |
11195 | cmd->nr_log = msg->log_resp_msg.nr_log; | |
11196 | ||
11197 | ssd_done(cmd); | |
11198 | ||
11199 | if (unlikely(msg->resp_msg.fun != SSD_FUNC_READ_LOG && msg->resp_msg.log > 0)) { | |
11200 | (void)test_and_set_bit(SSD_LOG_HW, &dev->state); | |
11201 | if (test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
11202 | queue_work(dev->workq, &dev->log_work); | |
11203 | } | |
11204 | } | |
11205 | ||
11206 | if (unlikely(msg->resp_msg.status)) { | |
11207 | if (msg->resp_msg.fun == SSD_FUNC_READ || msg->resp_msg.fun == SSD_FUNC_WRITE) { | |
11208 | hio_err("%s: I/O error %d: tag %d fun %#x\n", | |
11209 | dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun); | |
11210 | ||
11211 | /* alarm led */ | |
11212 | ssd_set_alarm(dev); | |
11213 | queue->io_stat.nr_rwerr++; | |
11214 | ssd_gen_swlog(dev, SSD_LOG_EIO, msg->u32_msg[0]); | |
11215 | } else { | |
11216 | hio_info("%s: CMD error %d: tag %d fun %#x\n", | |
11217 | dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun); | |
11218 | ||
11219 | ssd_gen_swlog(dev, SSD_LOG_ECMD, msg->u32_msg[0]); | |
11220 | } | |
11221 | queue->io_stat.nr_ioerr++; | |
11222 | } | |
11223 | ||
11224 | if (msg->resp_msg.fun == SSD_FUNC_READ || | |
11225 | msg->resp_msg.fun == SSD_FUNC_NAND_READ_WOOB || | |
11226 | msg->resp_msg.fun == SSD_FUNC_NAND_READ) { | |
11227 | ||
11228 | queue->ecc_info.bitflip[msg->resp_msg.bitflip]++; | |
11229 | } | |
11230 | }while (resp_idx != end_resp_idx); | |
11231 | ||
11232 | queue->resp_idx = new_resp_idx; | |
11233 | ||
11234 | return IRQ_HANDLED; | |
11235 | } | |
11236 | #endif | |
11237 | ||
11238 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) | |
11239 | static irqreturn_t ssd_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
11240 | #else | |
11241 | static irqreturn_t ssd_interrupt(int irq, void *dev_id) | |
11242 | #endif | |
11243 | { | |
11244 | struct ssd_queue *queue = (struct ssd_queue *)dev_id; | |
11245 | struct ssd_device *dev = (struct ssd_device *)queue->dev; | |
11246 | struct ssd_cmd *cmd; | |
11247 | union ssd_response_msq __msg; | |
11248 | union ssd_response_msq *msg = &__msg; | |
11249 | uint64_t *u64_msg; | |
11250 | uint32_t resp_idx = queue->resp_idx; | |
11251 | uint32_t new_resp_idx = *(uint32_t *)queue->resp_ptr; | |
11252 | uint32_t end_resp_idx; | |
11253 | ||
11254 | if (unlikely(resp_idx == new_resp_idx)) { | |
11255 | return IRQ_NONE; | |
11256 | } | |
11257 | ||
11258 | #if (defined SSD_ESCAPE_IRQ) | |
11259 | if (SSD_INT_MSIX != dev->int_mode) { | |
11260 | dev->irq_cpu = smp_processor_id(); | |
11261 | } | |
11262 | #endif | |
11263 | ||
11264 | end_resp_idx = new_resp_idx & queue->resp_idx_mask; | |
11265 | ||
11266 | do { | |
11267 | resp_idx = (resp_idx + 1) & queue->resp_idx_mask; | |
11268 | ||
11269 | /* the resp msg */ | |
11270 | u64_msg = (uint64_t *)(queue->resp_msg + queue->resp_msg_sz * resp_idx); | |
11271 | msg->u64_msg = *u64_msg; | |
11272 | ||
11273 | if (unlikely(msg->u64_msg == (uint64_t)(-1))) { | |
11274 | hio_err("%s: empty resp msg: queue %d idx %u\n", dev->name, queue->idx, resp_idx); | |
11275 | continue; | |
11276 | } | |
11277 | /* clear the resp msg */ | |
11278 | *u64_msg = (uint64_t)(-1); | |
11279 | ||
11280 | cmd = &queue->cmd[msg->resp_msg.tag]; | |
11281 | /*if (unlikely(!cmd->bio)) { | |
11282 | printk(KERN_WARNING "%s: unknown tag %d fun %#x\n", | |
11283 | dev->name, msg->resp_msg.tag, msg->resp_msg.fun); | |
11284 | continue; | |
11285 | }*/ | |
11286 | ||
11287 | if(unlikely(msg->resp_msg.status & (uint32_t)status_mask)) { | |
11288 | cmd->errors = -EIO; | |
11289 | } else { | |
11290 | cmd->errors = 0; | |
11291 | } | |
11292 | cmd->nr_log = msg->log_resp_msg.nr_log; | |
11293 | ||
11294 | ssd_done_bh(cmd); | |
11295 | ||
11296 | if (unlikely(msg->resp_msg.fun != SSD_FUNC_READ_LOG && msg->resp_msg.log > 0)) { | |
11297 | (void)test_and_set_bit(SSD_LOG_HW, &dev->state); | |
11298 | if (test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
11299 | queue_work(dev->workq, &dev->log_work); | |
11300 | } | |
11301 | } | |
11302 | ||
11303 | if (unlikely(msg->resp_msg.status)) { | |
11304 | if (msg->resp_msg.fun == SSD_FUNC_READ || msg->resp_msg.fun == SSD_FUNC_WRITE) { | |
11305 | hio_err("%s: I/O error %d: tag %d fun %#x\n", | |
11306 | dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun); | |
11307 | ||
11308 | /* alarm led */ | |
11309 | ssd_set_alarm(dev); | |
11310 | queue->io_stat.nr_rwerr++; | |
11311 | ssd_gen_swlog(dev, SSD_LOG_EIO, msg->u32_msg[0]); | |
11312 | } else { | |
11313 | hio_info("%s: CMD error %d: tag %d fun %#x\n", | |
11314 | dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun); | |
11315 | ||
11316 | ssd_gen_swlog(dev, SSD_LOG_ECMD, msg->u32_msg[0]); | |
11317 | } | |
11318 | queue->io_stat.nr_ioerr++; | |
11319 | } | |
11320 | ||
11321 | if (msg->resp_msg.fun == SSD_FUNC_READ || | |
11322 | msg->resp_msg.fun == SSD_FUNC_NAND_READ_WOOB || | |
11323 | msg->resp_msg.fun == SSD_FUNC_NAND_READ) { | |
11324 | ||
11325 | queue->ecc_info.bitflip[msg->resp_msg.bitflip]++; | |
11326 | } | |
11327 | }while (resp_idx != end_resp_idx); | |
11328 | ||
11329 | queue->resp_idx = new_resp_idx; | |
11330 | ||
11331 | return IRQ_HANDLED; | |
11332 | } | |
11333 | ||
11334 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) | |
11335 | static irqreturn_t ssd_interrupt_legacy(int irq, void *dev_id, struct pt_regs *regs) | |
11336 | #else | |
11337 | static irqreturn_t ssd_interrupt_legacy(int irq, void *dev_id) | |
11338 | #endif | |
11339 | { | |
11340 | irqreturn_t ret; | |
11341 | struct ssd_queue *queue = (struct ssd_queue *)dev_id; | |
11342 | struct ssd_device *dev = (struct ssd_device *)queue->dev; | |
11343 | ||
11344 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) | |
11345 | ret = ssd_interrupt(irq, dev_id, regs); | |
11346 | #else | |
11347 | ret = ssd_interrupt(irq, dev_id); | |
11348 | #endif | |
11349 | ||
11350 | /* clear intr */ | |
11351 | if (IRQ_HANDLED == ret) { | |
11352 | ssd_reg32_write(dev->ctrlp + SSD_CLEAR_INTR_REG, 1); | |
11353 | } | |
11354 | ||
11355 | return ret; | |
11356 | } | |
11357 | ||
11358 | static void ssd_reset_resp_ptr(struct ssd_device *dev) | |
11359 | { | |
11360 | int i; | |
11361 | ||
11362 | for (i=0; i<dev->nr_queue; i++) { | |
11363 | *(uint32_t *)dev->queue[i].resp_ptr = dev->queue[i].resp_idx = (dev->hw_info.cmd_fifo_sz * 2) - 1; | |
11364 | } | |
11365 | } | |
11366 | ||
11367 | static void ssd_free_irq(struct ssd_device *dev) | |
11368 | { | |
11369 | int i; | |
11370 | ||
11371 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6)) | |
11372 | if (SSD_INT_MSIX == dev->int_mode) { | |
11373 | for (i=0; i<dev->nr_queue; i++) { | |
11374 | irq_set_affinity_hint(dev->entry[i].vector, NULL); | |
11375 | } | |
11376 | } | |
11377 | #endif | |
11378 | ||
11379 | for (i=0; i<dev->nr_queue; i++) { | |
11380 | free_irq(dev->entry[i].vector, &dev->queue[i]); | |
11381 | } | |
11382 | ||
11383 | if (SSD_INT_MSIX == dev->int_mode) { | |
11384 | pci_disable_msix(dev->pdev); | |
11385 | } else if (SSD_INT_MSI == dev->int_mode) { | |
11386 | pci_disable_msi(dev->pdev); | |
11387 | } | |
11388 | ||
11389 | } | |
11390 | ||
11391 | static int ssd_init_irq(struct ssd_device *dev) | |
11392 | { | |
11393 | #if (!defined MODULE) && (defined SSD_MSIX_AFFINITY_FORCE) | |
11394 | const struct cpumask *cpu_mask; | |
11395 | static int cpu_affinity = 0; | |
11396 | #endif | |
11397 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6)) | |
11398 | const struct cpumask *mask; | |
11399 | static int cpu = 0; | |
11400 | int j; | |
11401 | #endif | |
11402 | int i; | |
11403 | unsigned long flags = 0; | |
11404 | int ret = 0; | |
11405 | ||
11406 | ssd_reg32_write(dev->ctrlp + SSD_INTR_INTERVAL_REG, 0x800); | |
11407 | ||
11408 | #ifdef SSD_ESCAPE_IRQ | |
11409 | dev->irq_cpu = -1; | |
11410 | #endif | |
11411 | ||
11412 | if (int_mode >= SSD_INT_MSIX && pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) { | |
11413 | dev->nr_queue = SSD_MSIX_VEC; | |
11414 | for (i=0; i<dev->nr_queue; i++) { | |
11415 | dev->entry[i].entry = i; | |
11416 | } | |
11417 | for (;;) { | |
11418 | ret = pci_enable_msix(dev->pdev, dev->entry, dev->nr_queue); | |
11419 | if (ret == 0) { | |
11420 | break; | |
11421 | } else if (ret > 0) { | |
11422 | dev->nr_queue = ret; | |
11423 | } else { | |
11424 | hio_warn("%s: can not enable msix\n", dev->name); | |
11425 | /* alarm led */ | |
11426 | ssd_set_alarm(dev); | |
11427 | goto out; | |
11428 | } | |
11429 | } | |
11430 | ||
11431 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6)) | |
11432 | mask = (dev_to_node(&dev->pdev->dev) == -1) ? cpu_online_mask : cpumask_of_node(dev_to_node(&dev->pdev->dev)); | |
11433 | if ((0 == cpu) || (!cpumask_intersects(mask, cpumask_of(cpu)))) { | |
11434 | cpu = cpumask_first(mask); | |
11435 | } | |
11436 | for (i=0; i<dev->nr_queue; i++) { | |
11437 | irq_set_affinity_hint(dev->entry[i].vector, cpumask_of(cpu)); | |
11438 | cpu = cpumask_next(cpu, mask); | |
11439 | if (cpu >= nr_cpu_ids) { | |
11440 | cpu = cpumask_first(mask); | |
11441 | } | |
11442 | } | |
11443 | #endif | |
11444 | ||
11445 | dev->int_mode = SSD_INT_MSIX; | |
11446 | } else if (int_mode >= SSD_INT_MSI && pci_find_capability(dev->pdev, PCI_CAP_ID_MSI)) { | |
11447 | ret = pci_enable_msi(dev->pdev); | |
11448 | if (ret) { | |
11449 | hio_warn("%s: can not enable msi\n", dev->name); | |
11450 | /* alarm led */ | |
11451 | ssd_set_alarm(dev); | |
11452 | goto out; | |
11453 | } | |
11454 | ||
11455 | dev->nr_queue = 1; | |
11456 | dev->entry[0].vector = dev->pdev->irq; | |
11457 | ||
11458 | dev->int_mode = SSD_INT_MSI; | |
11459 | } else { | |
11460 | dev->nr_queue = 1; | |
11461 | dev->entry[0].vector = dev->pdev->irq; | |
11462 | ||
11463 | dev->int_mode = SSD_INT_LEGACY; | |
11464 | } | |
11465 | ||
11466 | for (i=0; i<dev->nr_queue; i++) { | |
11467 | if (dev->nr_queue > 1) { | |
11468 | snprintf(dev->queue[i].name, SSD_QUEUE_NAME_LEN, "%s_e100-%d", dev->name, i); | |
11469 | } else { | |
11470 | snprintf(dev->queue[i].name, SSD_QUEUE_NAME_LEN, "%s_e100", dev->name); | |
11471 | } | |
11472 | ||
11473 | dev->queue[i].dev = dev; | |
11474 | dev->queue[i].idx = i; | |
11475 | ||
11476 | dev->queue[i].resp_idx = (dev->hw_info.cmd_fifo_sz * 2) - 1; | |
11477 | dev->queue[i].resp_idx_mask = dev->hw_info.cmd_fifo_sz - 1; | |
11478 | ||
11479 | dev->queue[i].resp_msg_sz = dev->hw_info.resp_msg_sz; | |
11480 | dev->queue[i].resp_msg = dev->resp_msg_base + dev->hw_info.resp_msg_sz * dev->hw_info.cmd_fifo_sz * i; | |
11481 | dev->queue[i].resp_ptr = dev->resp_ptr_base + dev->hw_info.resp_ptr_sz * i; | |
11482 | *(uint32_t *)dev->queue[i].resp_ptr = dev->queue[i].resp_idx; | |
11483 | ||
11484 | dev->queue[i].cmd = dev->cmd; | |
11485 | } | |
11486 | ||
11487 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) | |
11488 | flags = IRQF_SHARED; | |
11489 | #else | |
11490 | flags = SA_SHIRQ; | |
11491 | #endif | |
11492 | ||
11493 | for (i=0; i<dev->nr_queue; i++) { | |
11494 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30)) | |
11495 | if (threaded_irq) { | |
11496 | ret = request_threaded_irq(dev->entry[i].vector, ssd_interrupt_check, ssd_interrupt_threaded, flags, dev->queue[i].name, &dev->queue[i]); | |
11497 | } else if (dev->int_mode == SSD_INT_LEGACY) { | |
11498 | ret = request_irq(dev->entry[i].vector, &ssd_interrupt_legacy, flags, dev->queue[i].name, &dev->queue[i]); | |
11499 | } else { | |
11500 | ret = request_irq(dev->entry[i].vector, &ssd_interrupt, flags, dev->queue[i].name, &dev->queue[i]); | |
11501 | } | |
11502 | #else | |
11503 | if (dev->int_mode == SSD_INT_LEGACY) { | |
11504 | ret = request_irq(dev->entry[i].vector, &ssd_interrupt_legacy, flags, dev->queue[i].name, &dev->queue[i]); | |
11505 | } else { | |
11506 | ret = request_irq(dev->entry[i].vector, &ssd_interrupt, flags, dev->queue[i].name, &dev->queue[i]); | |
11507 | } | |
11508 | #endif | |
11509 | if (ret) { | |
11510 | hio_warn("%s: request irq failed\n", dev->name); | |
11511 | /* alarm led */ | |
11512 | ssd_set_alarm(dev); | |
11513 | goto out_request_irq; | |
11514 | } | |
11515 | ||
11516 | #if (!defined MODULE) && (defined SSD_MSIX_AFFINITY_FORCE) | |
11517 | cpu_mask = (dev_to_node(&dev->pdev->dev) == -1) ? cpu_online_mask : cpumask_of_node(dev_to_node(&dev->pdev->dev)); | |
11518 | if (SSD_INT_MSIX == dev->int_mode) { | |
11519 | if ((0 == cpu_affinity) || (!cpumask_intersects(mask, cpumask_of(cpu_affinity)))) { | |
11520 | cpu_affinity = cpumask_first(cpu_mask); | |
11521 | } | |
11522 | ||
11523 | irq_set_affinity(dev->entry[i].vector, cpumask_of(cpu_affinity)); | |
11524 | cpu_affinity = cpumask_next(cpu_affinity, cpu_mask); | |
11525 | if (cpu_affinity >= nr_cpu_ids) { | |
11526 | cpu_affinity = cpumask_first(cpu_mask); | |
11527 | } | |
11528 | } | |
11529 | #endif | |
11530 | } | |
11531 | ||
11532 | return ret; | |
11533 | ||
11534 | out_request_irq: | |
11535 | #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6)) | |
11536 | if (SSD_INT_MSIX == dev->int_mode) { | |
11537 | for (j=0; j<dev->nr_queue; j++) { | |
11538 | irq_set_affinity_hint(dev->entry[j].vector, NULL); | |
11539 | } | |
11540 | } | |
11541 | #endif | |
11542 | ||
11543 | for (i--; i>=0; i--) { | |
11544 | free_irq(dev->entry[i].vector, &dev->queue[i]); | |
11545 | } | |
11546 | ||
11547 | if (SSD_INT_MSIX == dev->int_mode) { | |
11548 | pci_disable_msix(dev->pdev); | |
11549 | } else if (SSD_INT_MSI == dev->int_mode) { | |
11550 | pci_disable_msi(dev->pdev); | |
11551 | } | |
11552 | ||
11553 | out: | |
11554 | return ret; | |
11555 | } | |
11556 | ||
11557 | static void ssd_initial_log(struct ssd_device *dev) | |
11558 | { | |
11559 | uint32_t val; | |
11560 | uint32_t speed, width; | |
11561 | ||
11562 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
11563 | return; | |
11564 | } | |
11565 | ||
11566 | val = ssd_reg32_read(dev->ctrlp + SSD_POWER_ON_REG); | |
11567 | if (val) { | |
11568 | ssd_gen_swlog(dev, SSD_LOG_POWER_ON, dev->hw_info.bridge_ver); | |
11569 | } | |
11570 | ||
11571 | val = ssd_reg32_read(dev->ctrlp + SSD_PCIE_LINKSTATUS_REG); | |
11572 | speed = val & 0xF; | |
11573 | width = (val >> 4)& 0x3F; | |
11574 | if (0x1 == speed) { | |
11575 | hio_info("%s: PCIe: 2.5GT/s, x%u\n", dev->name, width); | |
11576 | } else if (0x2 == speed) { | |
11577 | hio_info("%s: PCIe: 5GT/s, x%u\n", dev->name, width); | |
11578 | } else { | |
11579 | hio_info("%s: PCIe: unknown GT/s, x%u\n", dev->name, width); | |
11580 | } | |
11581 | ssd_gen_swlog(dev, SSD_LOG_PCIE_LINK_STATUS, val); | |
11582 | ||
11583 | return; | |
11584 | } | |
11585 | ||
11586 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
11587 | static void ssd_hwmon_worker(void *data) | |
11588 | { | |
11589 | struct ssd_device *dev = (struct ssd_device *)data; | |
11590 | #else | |
11591 | static void ssd_hwmon_worker(struct work_struct *work) | |
11592 | { | |
11593 | struct ssd_device *dev = container_of(work, struct ssd_device, hwmon_work); | |
11594 | #endif | |
11595 | ||
11596 | if (ssd_check_hw(dev)) { | |
11597 | //hio_err("%s: check hardware failed\n", dev->name); | |
11598 | return; | |
11599 | } | |
11600 | ||
11601 | ssd_check_clock(dev); | |
11602 | ssd_check_volt(dev); | |
11603 | ||
11604 | ssd_mon_boardvolt(dev); | |
11605 | } | |
11606 | ||
11607 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
11608 | static void ssd_tempmon_worker(void *data) | |
11609 | { | |
11610 | struct ssd_device *dev = (struct ssd_device *)data; | |
11611 | #else | |
11612 | static void ssd_tempmon_worker(struct work_struct *work) | |
11613 | { | |
11614 | struct ssd_device *dev = container_of(work, struct ssd_device, tempmon_work); | |
11615 | #endif | |
11616 | ||
11617 | if (ssd_check_hw(dev)) { | |
11618 | //hio_err("%s: check hardware failed\n", dev->name); | |
11619 | return; | |
11620 | } | |
11621 | ||
11622 | ssd_mon_temp(dev); | |
11623 | } | |
11624 | ||
11625 | ||
11626 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
11627 | static void ssd_capmon_worker(void *data) | |
11628 | { | |
11629 | struct ssd_device *dev = (struct ssd_device *)data; | |
11630 | #else | |
11631 | static void ssd_capmon_worker(struct work_struct *work) | |
11632 | { | |
11633 | struct ssd_device *dev = container_of(work, struct ssd_device, capmon_work); | |
11634 | #endif | |
11635 | uint32_t cap = 0; | |
11636 | uint32_t cap_threshold = SSD_PL_CAP_THRESHOLD; | |
11637 | int ret = 0; | |
11638 | ||
11639 | if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) { | |
11640 | return; | |
11641 | } | |
11642 | ||
11643 | if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') { | |
11644 | return; | |
11645 | } | |
11646 | ||
11647 | /* fault before? */ | |
11648 | if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
11649 | ret = ssd_check_pl_cap_fast(dev); | |
11650 | if (ret) { | |
11651 | return; | |
11652 | } | |
11653 | } | |
11654 | ||
11655 | /* learn */ | |
11656 | ret = ssd_do_cap_learn(dev, &cap); | |
11657 | if (ret) { | |
11658 | hio_err("%s: cap learn failed\n", dev->name); | |
11659 | ssd_gen_swlog(dev, SSD_LOG_CAP_LEARN_FAULT, 0); | |
11660 | return; | |
11661 | } | |
11662 | ||
11663 | ssd_gen_swlog(dev, SSD_LOG_CAP_STATUS, cap); | |
11664 | ||
11665 | if (SSD_PL_CAP_CP == dev->hw_info_ext.cap_type) { | |
11666 | cap_threshold = SSD_PL_CAP_CP_THRESHOLD; | |
11667 | } | |
11668 | ||
11669 | //use the fw event id? | |
11670 | if (cap < cap_threshold) { | |
11671 | if (!test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
11672 | ssd_gen_swlog(dev, SSD_LOG_BATTERY_FAULT, 0); | |
11673 | } | |
11674 | } else if (cap >= (cap_threshold + SSD_PL_CAP_THRESHOLD_HYST)) { | |
11675 | if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) { | |
11676 | ssd_gen_swlog(dev, SSD_LOG_BATTERY_OK, 0); | |
11677 | } | |
11678 | } | |
11679 | } | |
11680 | ||
11681 | static void ssd_routine_start(void *data) | |
11682 | { | |
11683 | struct ssd_device *dev; | |
11684 | ||
11685 | if (!data) { | |
11686 | return; | |
11687 | } | |
11688 | dev = data; | |
11689 | ||
11690 | dev->routine_tick++; | |
11691 | ||
11692 | if (test_bit(SSD_INIT_WORKQ, &dev->state) && !ssd_busy(dev)) { | |
11693 | (void)test_and_set_bit(SSD_LOG_HW, &dev->state); | |
11694 | queue_work(dev->workq, &dev->log_work); | |
11695 | } | |
11696 | ||
11697 | if ((dev->routine_tick % SSD_HWMON_ROUTINE_TICK) == 0 && test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
11698 | queue_work(dev->workq, &dev->hwmon_work); | |
11699 | } | |
11700 | ||
11701 | if ((dev->routine_tick % SSD_CAPMON_ROUTINE_TICK) == 0 && test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
11702 | queue_work(dev->workq, &dev->capmon_work); | |
11703 | } | |
11704 | ||
11705 | if ((dev->routine_tick % SSD_CAPMON2_ROUTINE_TICK) == 0 && test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon) && test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
11706 | /* CAP fault? check again */ | |
11707 | queue_work(dev->workq, &dev->capmon_work); | |
11708 | } | |
11709 | ||
11710 | if (test_bit(SSD_INIT_WORKQ, &dev->state)) { | |
11711 | queue_work(dev->workq, &dev->tempmon_work); | |
11712 | } | |
11713 | ||
11714 | /* schedule routine */ | |
11715 | mod_timer(&dev->routine_timer, jiffies + msecs_to_jiffies(SSD_ROUTINE_INTERVAL)); | |
11716 | } | |
11717 | ||
11718 | static void ssd_cleanup_routine(struct ssd_device *dev) | |
11719 | { | |
11720 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
11721 | return; | |
11722 | ||
11723 | (void)ssd_del_timer(&dev->routine_timer); | |
11724 | ||
11725 | (void)ssd_del_timer(&dev->bm_timer); | |
11726 | } | |
11727 | ||
11728 | static int ssd_init_routine(struct ssd_device *dev) | |
11729 | { | |
11730 | if (unlikely(mode != SSD_DRV_MODE_STANDARD)) | |
11731 | return 0; | |
11732 | ||
11733 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
11734 | INIT_WORK(&dev->bm_work, ssd_bm_worker, dev); | |
11735 | INIT_WORK(&dev->hwmon_work, ssd_hwmon_worker, dev); | |
11736 | INIT_WORK(&dev->capmon_work, ssd_capmon_worker, dev); | |
11737 | INIT_WORK(&dev->tempmon_work, ssd_tempmon_worker, dev); | |
11738 | #else | |
11739 | INIT_WORK(&dev->bm_work, ssd_bm_worker); | |
11740 | INIT_WORK(&dev->hwmon_work, ssd_hwmon_worker); | |
11741 | INIT_WORK(&dev->capmon_work, ssd_capmon_worker); | |
11742 | INIT_WORK(&dev->tempmon_work, ssd_tempmon_worker); | |
11743 | #endif | |
11744 | ||
11745 | /* initial log */ | |
11746 | ssd_initial_log(dev); | |
11747 | ||
11748 | /* schedule bm routine */ | |
11749 | ssd_add_timer(&dev->bm_timer, msecs_to_jiffies(SSD_BM_CAP_LEARNING_DELAY), ssd_bm_routine_start, dev); | |
11750 | ||
11751 | /* schedule routine */ | |
11752 | ssd_add_timer(&dev->routine_timer, msecs_to_jiffies(SSD_ROUTINE_INTERVAL), ssd_routine_start, dev); | |
11753 | ||
11754 | return 0; | |
11755 | } | |
11756 | ||
11757 | static void | |
11758 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) | |
11759 | __devexit | |
11760 | #endif | |
11761 | ssd_remove_one (struct pci_dev *pdev) | |
11762 | { | |
11763 | struct ssd_device *dev; | |
11764 | ||
11765 | if (!pdev) { | |
11766 | return; | |
11767 | } | |
11768 | ||
11769 | dev = pci_get_drvdata(pdev); | |
11770 | if (!dev) { | |
11771 | return; | |
11772 | } | |
11773 | ||
11774 | list_del_init(&dev->list); | |
11775 | ||
11776 | ssd_unregister_sysfs(dev); | |
11777 | ||
11778 | /* offline firstly */ | |
11779 | test_and_clear_bit(SSD_ONLINE, &dev->state); | |
11780 | ||
11781 | /* clean work queue first */ | |
11782 | if (!dev->slave) { | |
11783 | test_and_clear_bit(SSD_INIT_WORKQ, &dev->state); | |
11784 | ssd_cleanup_workq(dev); | |
11785 | } | |
11786 | ||
11787 | /* flush cache */ | |
11788 | (void)ssd_flush(dev); | |
11789 | (void)ssd_save_md(dev); | |
11790 | ||
11791 | /* save smart */ | |
11792 | if (!dev->slave) { | |
11793 | ssd_save_smart(dev); | |
11794 | } | |
11795 | ||
11796 | if (test_and_clear_bit(SSD_INIT_BD, &dev->state)) { | |
11797 | ssd_cleanup_blkdev(dev); | |
11798 | } | |
11799 | ||
11800 | if (!dev->slave) { | |
11801 | ssd_cleanup_chardev(dev); | |
11802 | } | |
11803 | ||
11804 | /* clean routine */ | |
11805 | if (!dev->slave) { | |
11806 | ssd_cleanup_routine(dev); | |
11807 | } | |
11808 | ||
11809 | ssd_cleanup_queue(dev); | |
11810 | ||
11811 | ssd_cleanup_tag(dev); | |
11812 | ssd_cleanup_thread(dev); | |
11813 | ||
11814 | ssd_free_irq(dev); | |
11815 | ||
11816 | ssd_cleanup_dcmd(dev); | |
11817 | ssd_cleanup_cmd(dev); | |
11818 | ssd_cleanup_response(dev); | |
11819 | ||
11820 | if (!dev->slave) { | |
11821 | ssd_cleanup_log(dev); | |
11822 | } | |
11823 | ||
11824 | if (dev->reload_fw) { //reload fw | |
11825 | ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FW); | |
11826 | } | |
11827 | ||
11828 | /* unmap physical adress */ | |
11829 | #ifdef LINUX_SUSE_OS | |
11830 | iounmap(dev->ctrlp); | |
11831 | #else | |
11832 | pci_iounmap(pdev, dev->ctrlp); | |
11833 | #endif | |
11834 | ||
11835 | release_mem_region(dev->mmio_base, dev->mmio_len); | |
11836 | ||
11837 | pci_disable_device(pdev); | |
11838 | ||
11839 | pci_set_drvdata(pdev, NULL); | |
11840 | ||
11841 | ssd_put(dev); | |
11842 | } | |
11843 | ||
11844 | static int | |
11845 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) | |
11846 | __devinit | |
11847 | #endif | |
11848 | ssd_init_one(struct pci_dev *pdev, | |
11849 | const struct pci_device_id *ent) | |
11850 | { | |
11851 | struct ssd_device *dev; | |
11852 | int ret = 0; | |
11853 | ||
11854 | if (!pdev || !ent) { | |
11855 | ret = -EINVAL; | |
11856 | goto out; | |
11857 | } | |
11858 | ||
11859 | dev = kmalloc(sizeof(struct ssd_device), GFP_KERNEL); | |
11860 | if (!dev) { | |
11861 | ret = -ENOMEM; | |
11862 | goto out_alloc_dev; | |
11863 | } | |
11864 | memset(dev, 0, sizeof(struct ssd_device)); | |
11865 | ||
11866 | dev->owner = THIS_MODULE; | |
11867 | ||
11868 | if (SSD_SLAVE_PORT_DEVID == ent->device) { | |
11869 | dev->slave = 1; | |
11870 | } | |
11871 | ||
11872 | dev->idx = ssd_get_index(dev->slave); | |
11873 | if (dev->idx < 0) { | |
11874 | ret = -ENOMEM; | |
11875 | goto out_get_index; | |
11876 | } | |
11877 | ||
11878 | if (!dev->slave) { | |
11879 | snprintf(dev->name, SSD_DEV_NAME_LEN, SSD_DEV_NAME); | |
11880 | ssd_set_dev_name(&dev->name[strlen(SSD_DEV_NAME)], SSD_DEV_NAME_LEN-strlen(SSD_DEV_NAME), dev->idx); | |
11881 | ||
11882 | dev->major = ssd_major; | |
11883 | dev->cmajor = ssd_cmajor; | |
11884 | } else { | |
11885 | snprintf(dev->name, SSD_DEV_NAME_LEN, SSD_SDEV_NAME); | |
11886 | ssd_set_dev_name(&dev->name[strlen(SSD_SDEV_NAME)], SSD_DEV_NAME_LEN-strlen(SSD_SDEV_NAME), dev->idx); | |
11887 | dev->major = ssd_major_sl; | |
11888 | dev->cmajor = 0; | |
11889 | } | |
11890 | ||
11891 | atomic_set(&(dev->refcnt), 0); | |
11892 | atomic_set(&(dev->tocnt), 0); | |
11893 | ||
11894 | mutex_init(&dev->fw_mutex); | |
11895 | ||
11896 | //xx | |
11897 | mutex_init(&dev->gd_mutex); | |
11898 | ||
11899 | dev->pdev = pdev; | |
11900 | pci_set_drvdata(pdev, dev); | |
11901 | ||
11902 | kref_init(&dev->kref); | |
11903 | ||
11904 | ret = pci_enable_device(pdev); | |
11905 | if (ret) { | |
11906 | hio_warn("%s: can not enable device\n", dev->name); | |
11907 | goto out_enable_device; | |
11908 | } | |
11909 | ||
11910 | pci_set_master(pdev); | |
11911 | ||
11912 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)) | |
11913 | ret = pci_set_dma_mask(pdev, DMA_64BIT_MASK); | |
11914 | #else | |
11915 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
11916 | #endif | |
11917 | if (ret) { | |
11918 | hio_warn("%s: set dma mask: failed\n", dev->name); | |
11919 | goto out_set_dma_mask; | |
11920 | } | |
11921 | ||
11922 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)) | |
11923 | ret = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); | |
11924 | #else | |
11925 | ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
11926 | #endif | |
11927 | if (ret) { | |
11928 | hio_warn("%s: set consistent dma mask: failed\n", dev->name); | |
11929 | goto out_set_dma_mask; | |
11930 | } | |
11931 | ||
11932 | dev->mmio_base = pci_resource_start(pdev, 0); | |
11933 | dev->mmio_len = pci_resource_len(pdev, 0); | |
11934 | ||
11935 | if (!request_mem_region(dev->mmio_base, dev->mmio_len, SSD_DEV_NAME)) { | |
11936 | hio_warn("%s: can not reserve MMIO region 0\n", dev->name); | |
11937 | ret = -EBUSY; | |
11938 | goto out_request_mem_region; | |
11939 | } | |
11940 | ||
11941 | /* 2.6.9 kernel bug */ | |
11942 | dev->ctrlp = pci_iomap(pdev, 0, 0); | |
11943 | if (!dev->ctrlp) { | |
11944 | hio_warn("%s: can not remap IO region 0\n", dev->name); | |
11945 | ret = -ENOMEM; | |
11946 | goto out_pci_iomap; | |
11947 | } | |
11948 | ||
11949 | ret = ssd_check_hw(dev); | |
11950 | if (ret) { | |
11951 | hio_err("%s: check hardware failed\n", dev->name); | |
11952 | goto out_check_hw; | |
11953 | } | |
11954 | ||
11955 | ret = ssd_init_protocol_info(dev); | |
11956 | if (ret) { | |
11957 | hio_err("%s: init protocol info failed\n", dev->name); | |
11958 | goto out_init_protocol_info; | |
11959 | } | |
11960 | ||
11961 | /* alarm led ? */ | |
11962 | ssd_clear_alarm(dev); | |
11963 | ||
11964 | ret = ssd_init_fw_info(dev); | |
11965 | if (ret) { | |
11966 | hio_err("%s: init firmware info failed\n", dev->name); | |
11967 | /* alarm led */ | |
11968 | ssd_set_alarm(dev); | |
11969 | goto out_init_fw_info; | |
11970 | } | |
11971 | ||
11972 | /* slave port ? */ | |
11973 | if (dev->slave) { | |
11974 | goto init_next1; | |
11975 | } | |
11976 | ||
11977 | ret = ssd_init_rom_info(dev); | |
11978 | if (ret) { | |
11979 | hio_err("%s: init rom info failed\n", dev->name); | |
11980 | /* alarm led */ | |
11981 | ssd_set_alarm(dev); | |
11982 | goto out_init_rom_info; | |
11983 | } | |
11984 | ||
11985 | ret = ssd_init_label(dev); | |
11986 | if (ret) { | |
11987 | hio_err("%s: init label failed\n", dev->name); | |
11988 | /* alarm led */ | |
11989 | ssd_set_alarm(dev); | |
11990 | goto out_init_label; | |
11991 | } | |
11992 | ||
11993 | ret = ssd_init_workq(dev); | |
11994 | if (ret) { | |
11995 | hio_warn("%s: init workq failed\n", dev->name); | |
11996 | goto out_init_workq; | |
11997 | } | |
11998 | (void)test_and_set_bit(SSD_INIT_WORKQ, &dev->state); | |
11999 | ||
12000 | ret = ssd_init_log(dev); | |
12001 | if (ret) { | |
12002 | hio_err("%s: init log failed\n", dev->name); | |
12003 | /* alarm led */ | |
12004 | ssd_set_alarm(dev); | |
12005 | goto out_init_log; | |
12006 | } | |
12007 | ||
12008 | ret = ssd_init_smart(dev); | |
12009 | if (ret) { | |
12010 | hio_err("%s: init info failed\n", dev->name); | |
12011 | /* alarm led */ | |
12012 | ssd_set_alarm(dev); | |
12013 | goto out_init_smart; | |
12014 | } | |
12015 | ||
12016 | init_next1: | |
12017 | ret = ssd_init_hw_info(dev); | |
12018 | if (ret) { | |
12019 | hio_err("%s: init hardware info failed\n", dev->name); | |
12020 | /* alarm led */ | |
12021 | ssd_set_alarm(dev); | |
12022 | goto out_init_hw_info; | |
12023 | } | |
12024 | ||
12025 | /* slave port ? */ | |
12026 | if (dev->slave) { | |
12027 | goto init_next2; | |
12028 | } | |
12029 | ||
12030 | ret = ssd_init_sensor(dev); | |
12031 | if (ret) { | |
12032 | hio_err("%s: init sensor failed\n", dev->name); | |
12033 | /* alarm led */ | |
12034 | ssd_set_alarm(dev); | |
12035 | goto out_init_sensor; | |
12036 | } | |
12037 | ||
12038 | ret = ssd_init_pl_cap(dev); | |
12039 | if (ret) { | |
12040 | hio_err("%s: int pl_cap failed\n", dev->name); | |
12041 | /* alarm led */ | |
12042 | ssd_set_alarm(dev); | |
12043 | goto out_init_pl_cap; | |
12044 | } | |
12045 | ||
12046 | init_next2: | |
12047 | ret = ssd_check_init_state(dev); | |
12048 | if (ret) { | |
12049 | hio_err("%s: check init state failed\n", dev->name); | |
12050 | /* alarm led */ | |
12051 | ssd_set_alarm(dev); | |
12052 | goto out_check_init_state; | |
12053 | } | |
12054 | ||
12055 | ret = ssd_init_response(dev); | |
12056 | if (ret) { | |
12057 | hio_warn("%s: init resp_msg failed\n", dev->name); | |
12058 | goto out_init_response; | |
12059 | } | |
12060 | ||
12061 | ret = ssd_init_cmd(dev); | |
12062 | if (ret) { | |
12063 | hio_warn("%s: init msg failed\n", dev->name); | |
12064 | goto out_init_cmd; | |
12065 | } | |
12066 | ||
12067 | ret = ssd_init_dcmd(dev); | |
12068 | if (ret) { | |
12069 | hio_warn("%s: init cmd failed\n", dev->name); | |
12070 | goto out_init_dcmd; | |
12071 | } | |
12072 | ||
12073 | ret = ssd_init_irq(dev); | |
12074 | if (ret) { | |
12075 | hio_warn("%s: init irq failed\n", dev->name); | |
12076 | goto out_init_irq; | |
12077 | } | |
12078 | ||
12079 | ret = ssd_init_thread(dev); | |
12080 | if (ret) { | |
12081 | hio_warn("%s: init thread failed\n", dev->name); | |
12082 | goto out_init_thread; | |
12083 | } | |
12084 | ||
12085 | ret = ssd_init_tag(dev); | |
12086 | if(ret) { | |
12087 | hio_warn("%s: init tags failed\n", dev->name); | |
12088 | goto out_init_tags; | |
12089 | } | |
12090 | ||
12091 | /* */ | |
12092 | (void)test_and_set_bit(SSD_ONLINE, &dev->state); | |
12093 | ||
12094 | ret = ssd_init_queue(dev); | |
12095 | if (ret) { | |
12096 | hio_warn("%s: init queue failed\n", dev->name); | |
12097 | goto out_init_queue; | |
12098 | } | |
12099 | ||
12100 | /* slave port ? */ | |
12101 | if (dev->slave) { | |
12102 | goto init_next3; | |
12103 | } | |
12104 | ||
12105 | ret = ssd_init_ot_protect(dev); | |
12106 | if (ret) { | |
12107 | hio_err("%s: int ot_protect failed\n", dev->name); | |
12108 | /* alarm led */ | |
12109 | ssd_set_alarm(dev); | |
12110 | goto out_int_ot_protect; | |
12111 | } | |
12112 | ||
12113 | ret = ssd_init_wmode(dev); | |
12114 | if (ret) { | |
12115 | hio_warn("%s: init write mode\n", dev->name); | |
12116 | goto out_init_wmode; | |
12117 | } | |
12118 | ||
12119 | /* init routine after hw is ready */ | |
12120 | ret = ssd_init_routine(dev); | |
12121 | if (ret) { | |
12122 | hio_warn("%s: init routine\n", dev->name); | |
12123 | goto out_init_routine; | |
12124 | } | |
12125 | ||
12126 | ret = ssd_init_chardev(dev); | |
12127 | if (ret) { | |
12128 | hio_warn("%s: register char device failed\n", dev->name); | |
12129 | goto out_init_chardev; | |
12130 | } | |
12131 | ||
12132 | init_next3: | |
12133 | ret = ssd_init_blkdev(dev); | |
12134 | if (ret) { | |
12135 | hio_warn("%s: register block device failed\n", dev->name); | |
12136 | goto out_init_blkdev; | |
12137 | } | |
12138 | (void)test_and_set_bit(SSD_INIT_BD, &dev->state); | |
12139 | ||
12140 | ret = ssd_register_sysfs(dev); | |
12141 | if (ret) { | |
12142 | hio_warn("%s: register sysfs failed\n", dev->name); | |
12143 | goto out_register_sysfs; | |
12144 | } | |
12145 | ||
12146 | dev->save_md = 1; | |
12147 | ||
12148 | list_add_tail(&dev->list, &ssd_list); | |
12149 | ||
12150 | return 0; | |
12151 | ||
12152 | out_register_sysfs: | |
12153 | test_and_clear_bit(SSD_INIT_BD, &dev->state); | |
12154 | ssd_cleanup_blkdev(dev); | |
12155 | out_init_blkdev: | |
12156 | /* slave port ? */ | |
12157 | if (!dev->slave) { | |
12158 | ssd_cleanup_chardev(dev); | |
12159 | } | |
12160 | out_init_chardev: | |
12161 | /* slave port ? */ | |
12162 | if (!dev->slave) { | |
12163 | ssd_cleanup_routine(dev); | |
12164 | } | |
12165 | out_init_routine: | |
12166 | out_init_wmode: | |
12167 | out_int_ot_protect: | |
12168 | ssd_cleanup_queue(dev); | |
12169 | out_init_queue: | |
12170 | test_and_clear_bit(SSD_ONLINE, &dev->state); | |
12171 | ssd_cleanup_tag(dev); | |
12172 | out_init_tags: | |
12173 | ssd_cleanup_thread(dev); | |
12174 | out_init_thread: | |
12175 | ssd_free_irq(dev); | |
12176 | out_init_irq: | |
12177 | ssd_cleanup_dcmd(dev); | |
12178 | out_init_dcmd: | |
12179 | ssd_cleanup_cmd(dev); | |
12180 | out_init_cmd: | |
12181 | ssd_cleanup_response(dev); | |
12182 | out_init_response: | |
12183 | out_check_init_state: | |
12184 | out_init_pl_cap: | |
12185 | out_init_sensor: | |
12186 | out_init_hw_info: | |
12187 | out_init_smart: | |
12188 | /* slave port ? */ | |
12189 | if (!dev->slave) { | |
12190 | ssd_cleanup_log(dev); | |
12191 | } | |
12192 | out_init_log: | |
12193 | /* slave port ? */ | |
12194 | if (!dev->slave) { | |
12195 | test_and_clear_bit(SSD_INIT_WORKQ, &dev->state); | |
12196 | ssd_cleanup_workq(dev); | |
12197 | } | |
12198 | out_init_workq: | |
12199 | out_init_label: | |
12200 | out_init_rom_info: | |
12201 | out_init_fw_info: | |
12202 | out_init_protocol_info: | |
12203 | out_check_hw: | |
12204 | #ifdef LINUX_SUSE_OS | |
12205 | iounmap(dev->ctrlp); | |
12206 | #else | |
12207 | pci_iounmap(pdev, dev->ctrlp); | |
12208 | #endif | |
12209 | out_pci_iomap: | |
12210 | release_mem_region(dev->mmio_base, dev->mmio_len); | |
12211 | out_request_mem_region: | |
12212 | out_set_dma_mask: | |
12213 | pci_disable_device(pdev); | |
12214 | out_enable_device: | |
12215 | pci_set_drvdata(pdev, NULL); | |
12216 | out_get_index: | |
12217 | kfree(dev); | |
12218 | out_alloc_dev: | |
12219 | out: | |
12220 | return ret; | |
12221 | } | |
12222 | ||
12223 | static void ssd_cleanup_tasklet(void) | |
12224 | { | |
12225 | int i; | |
12226 | for_each_online_cpu(i) { | |
12227 | tasklet_kill(&per_cpu(ssd_tasklet, i)); | |
12228 | } | |
12229 | } | |
12230 | ||
12231 | static int ssd_init_tasklet(void) | |
12232 | { | |
12233 | int i; | |
12234 | ||
12235 | for_each_online_cpu(i) { | |
12236 | INIT_LIST_HEAD(&per_cpu(ssd_doneq, i)); | |
12237 | ||
12238 | if (finject) { | |
12239 | tasklet_init(&per_cpu(ssd_tasklet, i), __ssd_done_db, 0); | |
12240 | } else { | |
12241 | tasklet_init(&per_cpu(ssd_tasklet, i), __ssd_done, 0); | |
12242 | } | |
12243 | } | |
12244 | ||
12245 | return 0; | |
12246 | } | |
12247 | ||
12248 | static struct pci_device_id ssd_pci_tbl[] = { | |
12249 | { 0x10ee, 0x0007, PCI_ANY_ID, PCI_ANY_ID, }, /* g3 */ | |
12250 | { 0x19e5, 0x0007, PCI_ANY_ID, PCI_ANY_ID, }, /* v1 */ | |
12251 | //{ 0x19e5, 0x0008, PCI_ANY_ID, PCI_ANY_ID, }, /* v1 sp*/ | |
12252 | { 0x19e5, 0x0009, PCI_ANY_ID, PCI_ANY_ID, }, /* v2 */ | |
12253 | { 0x19e5, 0x000a, PCI_ANY_ID, PCI_ANY_ID, }, /* v2 dp slave*/ | |
12254 | { 0, } | |
12255 | }; | |
12256 | MODULE_DEVICE_TABLE(pci, ssd_pci_tbl); | |
12257 | ||
12258 | static struct pci_driver ssd_driver = { | |
12259 | .name = MODULE_NAME, | |
12260 | .id_table = ssd_pci_tbl, | |
12261 | .probe = ssd_init_one, | |
12262 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) | |
12263 | .remove = __devexit_p(ssd_remove_one), | |
12264 | #else | |
12265 | .remove = ssd_remove_one, | |
12266 | #endif | |
12267 | }; | |
12268 | ||
12269 | /* notifier block to get a notify on system shutdown/halt/reboot */ | |
12270 | static int ssd_notify_reboot(struct notifier_block *nb, unsigned long event, void *buf) | |
12271 | { | |
12272 | struct ssd_device *dev = NULL; | |
12273 | struct ssd_device *n = NULL; | |
12274 | ||
12275 | list_for_each_entry_safe(dev, n, &ssd_list, list) { | |
12276 | ssd_gen_swlog(dev, SSD_LOG_POWER_OFF, 0); | |
12277 | ||
12278 | (void)ssd_flush(dev); | |
12279 | (void)ssd_save_md(dev); | |
12280 | ||
12281 | /* slave port ? */ | |
12282 | if (!dev->slave) { | |
12283 | ssd_save_smart(dev); | |
12284 | ||
12285 | ssd_stop_workq(dev); | |
12286 | ||
12287 | if (dev->reload_fw) { | |
12288 | ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FW); | |
12289 | } | |
12290 | } | |
12291 | } | |
12292 | ||
12293 | return NOTIFY_OK; | |
12294 | } | |
12295 | ||
12296 | static struct notifier_block ssd_notifier = { | |
12297 | ssd_notify_reboot, NULL, 0 | |
12298 | }; | |
12299 | ||
12300 | static int __init ssd_init_module(void) | |
12301 | { | |
12302 | int ret = 0; | |
12303 | ||
12304 | hio_info("driver version: %s\n", DRIVER_VERSION); | |
12305 | ||
12306 | ret = ssd_init_index(); | |
12307 | if (ret) { | |
12308 | hio_warn("init index failed\n"); | |
12309 | goto out_init_index; | |
12310 | } | |
12311 | ||
12312 | ret = ssd_init_proc(); | |
12313 | if (ret) { | |
12314 | hio_warn("init proc failed\n"); | |
12315 | goto out_init_proc; | |
12316 | } | |
12317 | ||
12318 | ret = ssd_init_sysfs(); | |
12319 | if (ret) { | |
12320 | hio_warn("init sysfs failed\n"); | |
12321 | goto out_init_sysfs; | |
12322 | } | |
12323 | ||
12324 | ret = ssd_init_tasklet(); | |
12325 | if (ret) { | |
12326 | hio_warn("init tasklet failed\n"); | |
12327 | goto out_init_tasklet; | |
12328 | } | |
12329 | ||
12330 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) | |
12331 | ssd_class = class_simple_create(THIS_MODULE, SSD_DEV_NAME); | |
12332 | #else | |
12333 | ssd_class = class_create(THIS_MODULE, SSD_DEV_NAME); | |
12334 | #endif | |
12335 | if (IS_ERR(ssd_class)) { | |
12336 | ret = PTR_ERR(ssd_class); | |
12337 | goto out_class_create; | |
12338 | } | |
12339 | ||
12340 | if (ssd_cmajor > 0) { | |
12341 | ret = register_chrdev(ssd_cmajor, SSD_CDEV_NAME, &ssd_cfops); | |
12342 | } else { | |
12343 | ret = ssd_cmajor = register_chrdev(ssd_cmajor, SSD_CDEV_NAME, &ssd_cfops); | |
12344 | } | |
12345 | if (ret < 0) { | |
12346 | hio_warn("unable to register chardev major number\n"); | |
12347 | goto out_register_chardev; | |
12348 | } | |
12349 | ||
12350 | if (ssd_major > 0) { | |
12351 | ret = register_blkdev(ssd_major, SSD_DEV_NAME); | |
12352 | } else { | |
12353 | ret = ssd_major = register_blkdev(ssd_major, SSD_DEV_NAME); | |
12354 | } | |
12355 | if (ret < 0) { | |
12356 | hio_warn("unable to register major number\n"); | |
12357 | goto out_register_blkdev; | |
12358 | } | |
12359 | ||
12360 | if (ssd_major_sl > 0) { | |
12361 | ret = register_blkdev(ssd_major_sl, SSD_SDEV_NAME); | |
12362 | } else { | |
12363 | ret = ssd_major_sl = register_blkdev(ssd_major_sl, SSD_SDEV_NAME); | |
12364 | } | |
12365 | if (ret < 0) { | |
12366 | hio_warn("unable to register slave major number\n"); | |
12367 | goto out_register_blkdev_sl; | |
12368 | } | |
12369 | ||
12370 | if (mode < SSD_DRV_MODE_STANDARD || mode > SSD_DRV_MODE_BASE) { | |
12371 | mode = SSD_DRV_MODE_STANDARD; | |
12372 | } | |
12373 | ||
12374 | /* for debug */ | |
12375 | if (mode != SSD_DRV_MODE_STANDARD) { | |
12376 | ssd_minors = 1; | |
12377 | } | |
12378 | ||
12379 | if (int_mode < SSD_INT_LEGACY || int_mode > SSD_INT_MSIX) { | |
12380 | int_mode = SSD_INT_MODE_DEFAULT; | |
12381 | } | |
12382 | ||
12383 | if (threaded_irq) { | |
12384 | int_mode = SSD_INT_MSI; | |
12385 | } | |
12386 | ||
12387 | if (log_level >= SSD_LOG_NR_LEVEL || log_level < SSD_LOG_LEVEL_INFO) { | |
12388 | log_level = SSD_LOG_LEVEL_ERR; | |
12389 | } | |
12390 | ||
12391 | if (wmode < SSD_WMODE_BUFFER || wmode > SSD_WMODE_DEFAULT) { | |
12392 | wmode = SSD_WMODE_DEFAULT; | |
12393 | } | |
12394 | ||
12395 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) | |
12396 | ret = pci_module_init(&ssd_driver); | |
12397 | #else | |
12398 | ret = pci_register_driver(&ssd_driver); | |
12399 | #endif | |
12400 | if (ret) { | |
12401 | hio_warn("pci init failed\n"); | |
12402 | goto out_pci_init; | |
12403 | } | |
12404 | ||
12405 | ret = register_reboot_notifier(&ssd_notifier); | |
12406 | if (ret) { | |
12407 | hio_warn("register reboot notifier failed\n"); | |
12408 | goto out_register_reboot_notifier; | |
12409 | } | |
12410 | ||
12411 | return 0; | |
12412 | ||
12413 | out_register_reboot_notifier: | |
12414 | out_pci_init: | |
12415 | pci_unregister_driver(&ssd_driver); | |
12416 | unregister_blkdev(ssd_major_sl, SSD_SDEV_NAME); | |
12417 | out_register_blkdev_sl: | |
12418 | unregister_blkdev(ssd_major, SSD_DEV_NAME); | |
12419 | out_register_blkdev: | |
12420 | unregister_chrdev(ssd_cmajor, SSD_CDEV_NAME); | |
12421 | out_register_chardev: | |
12422 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) | |
12423 | class_simple_destroy(ssd_class); | |
12424 | #else | |
12425 | class_destroy(ssd_class); | |
12426 | #endif | |
12427 | out_class_create: | |
12428 | ssd_cleanup_tasklet(); | |
12429 | out_init_tasklet: | |
12430 | ssd_cleanup_sysfs(); | |
12431 | out_init_sysfs: | |
12432 | ssd_cleanup_proc(); | |
12433 | out_init_proc: | |
12434 | ssd_cleanup_index(); | |
12435 | out_init_index: | |
12436 | return ret; | |
12437 | ||
12438 | } | |
12439 | ||
12440 | static void __exit ssd_cleanup_module(void) | |
12441 | { | |
12442 | ||
12443 | hio_info("unload driver: %s\n", DRIVER_VERSION); | |
12444 | /* exiting */ | |
12445 | ssd_exiting = 1; | |
12446 | ||
12447 | unregister_reboot_notifier(&ssd_notifier); | |
12448 | ||
12449 | pci_unregister_driver(&ssd_driver); | |
12450 | ||
12451 | unregister_blkdev(ssd_major_sl, SSD_SDEV_NAME); | |
12452 | unregister_blkdev(ssd_major, SSD_DEV_NAME); | |
12453 | unregister_chrdev(ssd_cmajor, SSD_CDEV_NAME); | |
12454 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) | |
12455 | class_simple_destroy(ssd_class); | |
12456 | #else | |
12457 | class_destroy(ssd_class); | |
12458 | #endif | |
12459 | ||
12460 | ssd_cleanup_tasklet(); | |
12461 | ssd_cleanup_sysfs(); | |
12462 | ssd_cleanup_proc(); | |
12463 | ssd_cleanup_index(); | |
12464 | } | |
12465 | ||
12466 | int ssd_register_event_notifier(struct block_device *bdev, ssd_event_call event_call) | |
12467 | { | |
12468 | struct ssd_device *dev; | |
12469 | struct timeval tv; | |
12470 | struct ssd_log *le; | |
12471 | uint64_t cur; | |
12472 | int log_nr; | |
12473 | ||
12474 | if (!bdev || !event_call || !(bdev->bd_disk)) { | |
12475 | return -EINVAL; | |
12476 | } | |
12477 | ||
12478 | dev = bdev->bd_disk->private_data; | |
12479 | dev->event_call = event_call; | |
12480 | ||
12481 | do_gettimeofday(&tv); | |
12482 | cur = tv.tv_sec; | |
12483 | ||
12484 | le = (struct ssd_log *)(dev->internal_log.log); | |
12485 | log_nr = dev->internal_log.nr_log; | |
12486 | ||
12487 | while (log_nr--) { | |
12488 | if (le->time <= cur && le->time >= dev->uptime) { | |
12489 | (void)dev->event_call(dev->gd, le->le.event, ssd_parse_log(dev, le, 0)); | |
12490 | } | |
12491 | le++; | |
12492 | } | |
12493 | ||
12494 | return 0; | |
12495 | } | |
12496 | ||
12497 | int ssd_unregister_event_notifier(struct block_device *bdev) | |
12498 | { | |
12499 | struct ssd_device *dev; | |
12500 | ||
12501 | if (!bdev || !(bdev->bd_disk)) { | |
12502 | return -EINVAL; | |
12503 | } | |
12504 | ||
12505 | dev = bdev->bd_disk->private_data; | |
12506 | dev->event_call = NULL; | |
12507 | ||
12508 | return 0; | |
12509 | } | |
12510 | ||
12511 | EXPORT_SYMBOL(ssd_get_label); | |
12512 | EXPORT_SYMBOL(ssd_get_version); | |
12513 | EXPORT_SYMBOL(ssd_set_otprotect); | |
12514 | EXPORT_SYMBOL(ssd_bm_status); | |
12515 | EXPORT_SYMBOL(ssd_submit_pbio); | |
12516 | EXPORT_SYMBOL(ssd_get_pciaddr); | |
12517 | EXPORT_SYMBOL(ssd_get_temperature); | |
12518 | EXPORT_SYMBOL(ssd_register_event_notifier); | |
12519 | EXPORT_SYMBOL(ssd_unregister_event_notifier); | |
12520 | EXPORT_SYMBOL(ssd_reset); | |
12521 | EXPORT_SYMBOL(ssd_set_wmode); | |
12522 | ||
12523 | ||
12524 | ||
12525 | module_init(ssd_init_module); | |
12526 | module_exit(ssd_cleanup_module); | |
12527 | MODULE_VERSION(DRIVER_VERSION); | |
12528 | MODULE_LICENSE("GPL"); | |
12529 | MODULE_AUTHOR("Huawei SSD DEV Team"); | |
12530 | MODULE_DESCRIPTION("Huawei SSD driver"); |