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c4a3e0a5 | 1 | /* |
3f1530c1 | 2 | * Linux MegaRAID driver for SAS based RAID controllers |
c4a3e0a5 | 3 | * |
ae59057b | 4 | * Copyright (c) 2003-2012 LSI Corporation. |
c4a3e0a5 | 5 | * |
3f1530c1 AR |
6 | * This program is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
c4a3e0a5 | 10 | * |
3f1530c1 AR |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
c4a3e0a5 | 15 | * |
3f1530c1 AR |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
c4a3e0a5 | 19 | * |
3f1530c1 | 20 | * FILE: megaraid_sas_base.c |
5e8d9007 | 21 | * Version : 06.803.02.00-rc1 |
c4a3e0a5 | 22 | * |
3f1530c1 AR |
23 | * Authors: LSI Corporation |
24 | * Sreenivas Bagalkote | |
25 | * Sumant Patro | |
26 | * Bo Yang | |
00fa2b19 | 27 | * Adam Radford <linuxraid@lsi.com> |
c4a3e0a5 | 28 | * |
3f1530c1 AR |
29 | * Send feedback to: <megaraidlinux@lsi.com> |
30 | * | |
31 | * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035 | |
32 | * ATTN: Linuxraid | |
c4a3e0a5 BS |
33 | */ |
34 | ||
35 | #include <linux/kernel.h> | |
36 | #include <linux/types.h> | |
37 | #include <linux/pci.h> | |
38 | #include <linux/list.h> | |
c4a3e0a5 BS |
39 | #include <linux/moduleparam.h> |
40 | #include <linux/module.h> | |
41 | #include <linux/spinlock.h> | |
42 | #include <linux/interrupt.h> | |
43 | #include <linux/delay.h> | |
44 | #include <linux/uio.h> | |
5a0e3ad6 | 45 | #include <linux/slab.h> |
c4a3e0a5 | 46 | #include <asm/uaccess.h> |
43399236 | 47 | #include <linux/fs.h> |
c4a3e0a5 | 48 | #include <linux/compat.h> |
cf62a0a5 | 49 | #include <linux/blkdev.h> |
0b950672 | 50 | #include <linux/mutex.h> |
c3518837 | 51 | #include <linux/poll.h> |
c4a3e0a5 BS |
52 | |
53 | #include <scsi/scsi.h> | |
54 | #include <scsi/scsi_cmnd.h> | |
55 | #include <scsi/scsi_device.h> | |
56 | #include <scsi/scsi_host.h> | |
4bcde509 | 57 | #include <scsi/scsi_tcq.h> |
9c915a8c | 58 | #include "megaraid_sas_fusion.h" |
c4a3e0a5 BS |
59 | #include "megaraid_sas.h" |
60 | ||
1fd10685 YB |
61 | /* |
62 | * Number of sectors per IO command | |
63 | * Will be set in megasas_init_mfi if user does not provide | |
64 | */ | |
65 | static unsigned int max_sectors; | |
66 | module_param_named(max_sectors, max_sectors, int, 0); | |
67 | MODULE_PARM_DESC(max_sectors, | |
68 | "Maximum number of sectors per IO command"); | |
69 | ||
80d9da98 AR |
70 | static int msix_disable; |
71 | module_param(msix_disable, int, S_IRUGO); | |
72 | MODULE_PARM_DESC(msix_disable, "Disable MSI-X interrupt handling. Default: 0"); | |
73 | ||
079eaddf AR |
74 | static unsigned int msix_vectors; |
75 | module_param(msix_vectors, int, S_IRUGO); | |
76 | MODULE_PARM_DESC(msix_vectors, "MSI-X max vector count. Default: Set by FW"); | |
77 | ||
229fe47c AR |
78 | static int allow_vf_ioctls; |
79 | module_param(allow_vf_ioctls, int, S_IRUGO); | |
80 | MODULE_PARM_DESC(allow_vf_ioctls, "Allow ioctls in SR-IOV VF mode. Default: 0"); | |
81 | ||
c5daa6a9 AR |
82 | static int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH; |
83 | module_param(throttlequeuedepth, int, S_IRUGO); | |
84 | MODULE_PARM_DESC(throttlequeuedepth, | |
85 | "Adapter queue depth when throttled due to I/O timeout. Default: 16"); | |
86 | ||
c007b8b2 AR |
87 | int resetwaittime = MEGASAS_RESET_WAIT_TIME; |
88 | module_param(resetwaittime, int, S_IRUGO); | |
89 | MODULE_PARM_DESC(resetwaittime, "Wait time in seconds after I/O timeout " | |
90 | "before resetting adapter. Default: 180"); | |
91 | ||
ac95136a SS |
92 | int smp_affinity_enable = 1; |
93 | module_param(smp_affinity_enable, int, S_IRUGO); | |
94 | MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disbale Default: enable(1)"); | |
95 | ||
c4a3e0a5 BS |
96 | MODULE_LICENSE("GPL"); |
97 | MODULE_VERSION(MEGASAS_VERSION); | |
3d6d174a | 98 | MODULE_AUTHOR("megaraidlinux@lsi.com"); |
f28cd7cf | 99 | MODULE_DESCRIPTION("LSI MegaRAID SAS Driver"); |
c4a3e0a5 | 100 | |
058a8fac | 101 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
39a98554 | 102 | static int megasas_get_pd_list(struct megasas_instance *instance); |
21c9e160 AR |
103 | static int megasas_ld_list_query(struct megasas_instance *instance, |
104 | u8 query_type); | |
39a98554 | 105 | static int megasas_issue_init_mfi(struct megasas_instance *instance); |
106 | static int megasas_register_aen(struct megasas_instance *instance, | |
107 | u32 seq_num, u32 class_locale_word); | |
c4a3e0a5 BS |
108 | /* |
109 | * PCI ID table for all supported controllers | |
110 | */ | |
111 | static struct pci_device_id megasas_pci_table[] = { | |
112 | ||
f3d7271c HK |
113 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064R)}, |
114 | /* xscale IOP */ | |
115 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078R)}, | |
116 | /* ppc IOP */ | |
af7a5647 | 117 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078DE)}, |
118 | /* ppc IOP */ | |
6610a6b3 YB |
119 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078GEN2)}, |
120 | /* gen2*/ | |
121 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0079GEN2)}, | |
122 | /* gen2*/ | |
87911122 YB |
123 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0073SKINNY)}, |
124 | /* skinny*/ | |
125 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0071SKINNY)}, | |
126 | /* skinny*/ | |
f3d7271c HK |
127 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)}, |
128 | /* xscale IOP, vega */ | |
129 | {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)}, | |
130 | /* xscale IOP */ | |
9c915a8c AR |
131 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)}, |
132 | /* Fusion */ | |
229fe47c AR |
133 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_PLASMA)}, |
134 | /* Plasma */ | |
36807e67 AR |
135 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)}, |
136 | /* Invader */ | |
21d3c710 SS |
137 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FURY)}, |
138 | /* Fury */ | |
f3d7271c | 139 | {} |
c4a3e0a5 BS |
140 | }; |
141 | ||
142 | MODULE_DEVICE_TABLE(pci, megasas_pci_table); | |
143 | ||
144 | static int megasas_mgmt_majorno; | |
229fe47c | 145 | struct megasas_mgmt_info megasas_mgmt_info; |
c4a3e0a5 | 146 | static struct fasync_struct *megasas_async_queue; |
0b950672 | 147 | static DEFINE_MUTEX(megasas_async_queue_mutex); |
c4a3e0a5 | 148 | |
c3518837 YB |
149 | static int megasas_poll_wait_aen; |
150 | static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait); | |
72c4fd36 | 151 | static u32 support_poll_for_event; |
9c915a8c | 152 | u32 megasas_dbg_lvl; |
837f5fe8 | 153 | static u32 support_device_change; |
658dcedb | 154 | |
c3518837 YB |
155 | /* define lock for aen poll */ |
156 | spinlock_t poll_aen_lock; | |
157 | ||
9c915a8c | 158 | void |
7343eb65 | 159 | megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, |
160 | u8 alt_status); | |
ebf054b0 AR |
161 | static u32 |
162 | megasas_read_fw_status_reg_gen2(struct megasas_register_set __iomem *regs); | |
163 | static int | |
164 | megasas_adp_reset_gen2(struct megasas_instance *instance, | |
165 | struct megasas_register_set __iomem *reg_set); | |
cd50ba8e AR |
166 | static irqreturn_t megasas_isr(int irq, void *devp); |
167 | static u32 | |
168 | megasas_init_adapter_mfi(struct megasas_instance *instance); | |
169 | u32 | |
170 | megasas_build_and_issue_cmd(struct megasas_instance *instance, | |
171 | struct scsi_cmnd *scmd); | |
172 | static void megasas_complete_cmd_dpc(unsigned long instance_addr); | |
9c915a8c AR |
173 | void |
174 | megasas_release_fusion(struct megasas_instance *instance); | |
175 | int | |
176 | megasas_ioc_init_fusion(struct megasas_instance *instance); | |
177 | void | |
178 | megasas_free_cmds_fusion(struct megasas_instance *instance); | |
179 | u8 | |
180 | megasas_get_map_info(struct megasas_instance *instance); | |
181 | int | |
182 | megasas_sync_map_info(struct megasas_instance *instance); | |
183 | int | |
229fe47c AR |
184 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
185 | int seconds); | |
9c915a8c | 186 | void megasas_reset_reply_desc(struct megasas_instance *instance); |
229fe47c | 187 | int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout); |
9c915a8c | 188 | void megasas_fusion_ocr_wq(struct work_struct *work); |
229fe47c AR |
189 | static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, |
190 | int initial); | |
191 | int megasas_check_mpio_paths(struct megasas_instance *instance, | |
192 | struct scsi_cmnd *scmd); | |
cd50ba8e AR |
193 | |
194 | void | |
195 | megasas_issue_dcmd(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
196 | { | |
197 | instance->instancet->fire_cmd(instance, | |
198 | cmd->frame_phys_addr, 0, instance->reg_set); | |
199 | } | |
7343eb65 | 200 | |
c4a3e0a5 BS |
201 | /** |
202 | * megasas_get_cmd - Get a command from the free pool | |
203 | * @instance: Adapter soft state | |
204 | * | |
205 | * Returns a free command from the pool | |
206 | */ | |
9c915a8c | 207 | struct megasas_cmd *megasas_get_cmd(struct megasas_instance |
c4a3e0a5 BS |
208 | *instance) |
209 | { | |
210 | unsigned long flags; | |
211 | struct megasas_cmd *cmd = NULL; | |
212 | ||
213 | spin_lock_irqsave(&instance->cmd_pool_lock, flags); | |
214 | ||
215 | if (!list_empty(&instance->cmd_pool)) { | |
216 | cmd = list_entry((&instance->cmd_pool)->next, | |
217 | struct megasas_cmd, list); | |
218 | list_del_init(&cmd->list); | |
219 | } else { | |
220 | printk(KERN_ERR "megasas: Command pool empty!\n"); | |
221 | } | |
222 | ||
223 | spin_unlock_irqrestore(&instance->cmd_pool_lock, flags); | |
224 | return cmd; | |
225 | } | |
226 | ||
227 | /** | |
228 | * megasas_return_cmd - Return a cmd to free command pool | |
229 | * @instance: Adapter soft state | |
230 | * @cmd: Command packet to be returned to free command pool | |
231 | */ | |
9c915a8c | 232 | inline void |
c4a3e0a5 BS |
233 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) |
234 | { | |
235 | unsigned long flags; | |
236 | ||
237 | spin_lock_irqsave(&instance->cmd_pool_lock, flags); | |
238 | ||
239 | cmd->scmd = NULL; | |
9c915a8c | 240 | cmd->frame_count = 0; |
e5f93a36 | 241 | if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) && |
229fe47c | 242 | (instance->pdev->device != PCI_DEVICE_ID_LSI_PLASMA) && |
e5f93a36 | 243 | (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) && |
21d3c710 | 244 | (instance->pdev->device != PCI_DEVICE_ID_LSI_FURY) && |
e5f93a36 AR |
245 | (reset_devices)) |
246 | cmd->frame->hdr.cmd = MFI_CMD_INVALID; | |
c4a3e0a5 BS |
247 | list_add_tail(&cmd->list, &instance->cmd_pool); |
248 | ||
249 | spin_unlock_irqrestore(&instance->cmd_pool_lock, flags); | |
250 | } | |
251 | ||
1341c939 SP |
252 | |
253 | /** | |
0d49016b | 254 | * The following functions are defined for xscale |
1341c939 SP |
255 | * (deviceid : 1064R, PERC5) controllers |
256 | */ | |
257 | ||
c4a3e0a5 | 258 | /** |
1341c939 | 259 | * megasas_enable_intr_xscale - Enables interrupts |
c4a3e0a5 BS |
260 | * @regs: MFI register set |
261 | */ | |
262 | static inline void | |
d46a3ad6 | 263 | megasas_enable_intr_xscale(struct megasas_instance *instance) |
c4a3e0a5 | 264 | { |
d46a3ad6 SS |
265 | struct megasas_register_set __iomem *regs; |
266 | regs = instance->reg_set; | |
39a98554 | 267 | writel(0, &(regs)->outbound_intr_mask); |
c4a3e0a5 BS |
268 | |
269 | /* Dummy readl to force pci flush */ | |
270 | readl(®s->outbound_intr_mask); | |
271 | } | |
272 | ||
b274cab7 SP |
273 | /** |
274 | * megasas_disable_intr_xscale -Disables interrupt | |
275 | * @regs: MFI register set | |
276 | */ | |
277 | static inline void | |
d46a3ad6 | 278 | megasas_disable_intr_xscale(struct megasas_instance *instance) |
b274cab7 | 279 | { |
d46a3ad6 | 280 | struct megasas_register_set __iomem *regs; |
b274cab7 | 281 | u32 mask = 0x1f; |
d46a3ad6 | 282 | regs = instance->reg_set; |
b274cab7 SP |
283 | writel(mask, ®s->outbound_intr_mask); |
284 | /* Dummy readl to force pci flush */ | |
285 | readl(®s->outbound_intr_mask); | |
286 | } | |
287 | ||
1341c939 SP |
288 | /** |
289 | * megasas_read_fw_status_reg_xscale - returns the current FW status value | |
290 | * @regs: MFI register set | |
291 | */ | |
292 | static u32 | |
293 | megasas_read_fw_status_reg_xscale(struct megasas_register_set __iomem * regs) | |
294 | { | |
295 | return readl(&(regs)->outbound_msg_0); | |
296 | } | |
297 | /** | |
298 | * megasas_clear_interrupt_xscale - Check & clear interrupt | |
299 | * @regs: MFI register set | |
300 | */ | |
0d49016b | 301 | static int |
1341c939 SP |
302 | megasas_clear_intr_xscale(struct megasas_register_set __iomem * regs) |
303 | { | |
304 | u32 status; | |
39a98554 | 305 | u32 mfiStatus = 0; |
1341c939 SP |
306 | /* |
307 | * Check if it is our interrupt | |
308 | */ | |
309 | status = readl(®s->outbound_intr_status); | |
310 | ||
39a98554 | 311 | if (status & MFI_OB_INTR_STATUS_MASK) |
312 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; | |
313 | if (status & MFI_XSCALE_OMR0_CHANGE_INTERRUPT) | |
314 | mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
1341c939 SP |
315 | |
316 | /* | |
317 | * Clear the interrupt by writing back the same value | |
318 | */ | |
39a98554 | 319 | if (mfiStatus) |
320 | writel(status, ®s->outbound_intr_status); | |
1341c939 | 321 | |
06f579de YB |
322 | /* Dummy readl to force pci flush */ |
323 | readl(®s->outbound_intr_status); | |
324 | ||
39a98554 | 325 | return mfiStatus; |
1341c939 SP |
326 | } |
327 | ||
328 | /** | |
329 | * megasas_fire_cmd_xscale - Sends command to the FW | |
330 | * @frame_phys_addr : Physical address of cmd | |
331 | * @frame_count : Number of frames for the command | |
332 | * @regs : MFI register set | |
333 | */ | |
0d49016b | 334 | static inline void |
0c79e681 YB |
335 | megasas_fire_cmd_xscale(struct megasas_instance *instance, |
336 | dma_addr_t frame_phys_addr, | |
337 | u32 frame_count, | |
338 | struct megasas_register_set __iomem *regs) | |
1341c939 | 339 | { |
39a98554 | 340 | unsigned long flags; |
341 | spin_lock_irqsave(&instance->hba_lock, flags); | |
1341c939 SP |
342 | writel((frame_phys_addr >> 3)|(frame_count), |
343 | &(regs)->inbound_queue_port); | |
39a98554 | 344 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
345 | } | |
346 | ||
347 | /** | |
348 | * megasas_adp_reset_xscale - For controller reset | |
349 | * @regs: MFI register set | |
350 | */ | |
351 | static int | |
352 | megasas_adp_reset_xscale(struct megasas_instance *instance, | |
353 | struct megasas_register_set __iomem *regs) | |
354 | { | |
355 | u32 i; | |
356 | u32 pcidata; | |
357 | writel(MFI_ADP_RESET, ®s->inbound_doorbell); | |
358 | ||
359 | for (i = 0; i < 3; i++) | |
360 | msleep(1000); /* sleep for 3 secs */ | |
361 | pcidata = 0; | |
362 | pci_read_config_dword(instance->pdev, MFI_1068_PCSR_OFFSET, &pcidata); | |
363 | printk(KERN_NOTICE "pcidata = %x\n", pcidata); | |
364 | if (pcidata & 0x2) { | |
365 | printk(KERN_NOTICE "mfi 1068 offset read=%x\n", pcidata); | |
366 | pcidata &= ~0x2; | |
367 | pci_write_config_dword(instance->pdev, | |
368 | MFI_1068_PCSR_OFFSET, pcidata); | |
369 | ||
370 | for (i = 0; i < 2; i++) | |
371 | msleep(1000); /* need to wait 2 secs again */ | |
372 | ||
373 | pcidata = 0; | |
374 | pci_read_config_dword(instance->pdev, | |
375 | MFI_1068_FW_HANDSHAKE_OFFSET, &pcidata); | |
376 | printk(KERN_NOTICE "1068 offset handshake read=%x\n", pcidata); | |
377 | if ((pcidata & 0xffff0000) == MFI_1068_FW_READY) { | |
378 | printk(KERN_NOTICE "1068 offset pcidt=%x\n", pcidata); | |
379 | pcidata = 0; | |
380 | pci_write_config_dword(instance->pdev, | |
381 | MFI_1068_FW_HANDSHAKE_OFFSET, pcidata); | |
382 | } | |
383 | } | |
384 | return 0; | |
385 | } | |
386 | ||
387 | /** | |
388 | * megasas_check_reset_xscale - For controller reset check | |
389 | * @regs: MFI register set | |
390 | */ | |
391 | static int | |
392 | megasas_check_reset_xscale(struct megasas_instance *instance, | |
393 | struct megasas_register_set __iomem *regs) | |
394 | { | |
39a98554 | 395 | |
396 | if ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && | |
94cd65dd SS |
397 | (le32_to_cpu(*instance->consumer) == |
398 | MEGASAS_ADPRESET_INPROG_SIGN)) | |
39a98554 | 399 | return 1; |
39a98554 | 400 | return 0; |
1341c939 SP |
401 | } |
402 | ||
403 | static struct megasas_instance_template megasas_instance_template_xscale = { | |
404 | ||
405 | .fire_cmd = megasas_fire_cmd_xscale, | |
406 | .enable_intr = megasas_enable_intr_xscale, | |
b274cab7 | 407 | .disable_intr = megasas_disable_intr_xscale, |
1341c939 SP |
408 | .clear_intr = megasas_clear_intr_xscale, |
409 | .read_fw_status_reg = megasas_read_fw_status_reg_xscale, | |
39a98554 | 410 | .adp_reset = megasas_adp_reset_xscale, |
411 | .check_reset = megasas_check_reset_xscale, | |
cd50ba8e AR |
412 | .service_isr = megasas_isr, |
413 | .tasklet = megasas_complete_cmd_dpc, | |
414 | .init_adapter = megasas_init_adapter_mfi, | |
415 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
416 | .issue_dcmd = megasas_issue_dcmd, | |
1341c939 SP |
417 | }; |
418 | ||
419 | /** | |
0d49016b | 420 | * This is the end of set of functions & definitions specific |
1341c939 SP |
421 | * to xscale (deviceid : 1064R, PERC5) controllers |
422 | */ | |
423 | ||
f9876f0b | 424 | /** |
0d49016b | 425 | * The following functions are defined for ppc (deviceid : 0x60) |
f9876f0b SP |
426 | * controllers |
427 | */ | |
428 | ||
429 | /** | |
430 | * megasas_enable_intr_ppc - Enables interrupts | |
431 | * @regs: MFI register set | |
432 | */ | |
433 | static inline void | |
d46a3ad6 | 434 | megasas_enable_intr_ppc(struct megasas_instance *instance) |
f9876f0b | 435 | { |
d46a3ad6 SS |
436 | struct megasas_register_set __iomem *regs; |
437 | regs = instance->reg_set; | |
f9876f0b | 438 | writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear); |
0d49016b | 439 | |
39a98554 | 440 | writel(~0x80000000, &(regs)->outbound_intr_mask); |
f9876f0b SP |
441 | |
442 | /* Dummy readl to force pci flush */ | |
443 | readl(®s->outbound_intr_mask); | |
444 | } | |
445 | ||
b274cab7 SP |
446 | /** |
447 | * megasas_disable_intr_ppc - Disable interrupt | |
448 | * @regs: MFI register set | |
449 | */ | |
450 | static inline void | |
d46a3ad6 | 451 | megasas_disable_intr_ppc(struct megasas_instance *instance) |
b274cab7 | 452 | { |
d46a3ad6 | 453 | struct megasas_register_set __iomem *regs; |
b274cab7 | 454 | u32 mask = 0xFFFFFFFF; |
d46a3ad6 | 455 | regs = instance->reg_set; |
b274cab7 SP |
456 | writel(mask, ®s->outbound_intr_mask); |
457 | /* Dummy readl to force pci flush */ | |
458 | readl(®s->outbound_intr_mask); | |
459 | } | |
460 | ||
f9876f0b SP |
461 | /** |
462 | * megasas_read_fw_status_reg_ppc - returns the current FW status value | |
463 | * @regs: MFI register set | |
464 | */ | |
465 | static u32 | |
466 | megasas_read_fw_status_reg_ppc(struct megasas_register_set __iomem * regs) | |
467 | { | |
468 | return readl(&(regs)->outbound_scratch_pad); | |
469 | } | |
470 | ||
471 | /** | |
472 | * megasas_clear_interrupt_ppc - Check & clear interrupt | |
473 | * @regs: MFI register set | |
474 | */ | |
0d49016b | 475 | static int |
f9876f0b SP |
476 | megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs) |
477 | { | |
3cc6851f AR |
478 | u32 status, mfiStatus = 0; |
479 | ||
f9876f0b SP |
480 | /* |
481 | * Check if it is our interrupt | |
482 | */ | |
483 | status = readl(®s->outbound_intr_status); | |
484 | ||
3cc6851f AR |
485 | if (status & MFI_REPLY_1078_MESSAGE_INTERRUPT) |
486 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; | |
487 | ||
488 | if (status & MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT) | |
489 | mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
f9876f0b SP |
490 | |
491 | /* | |
492 | * Clear the interrupt by writing back the same value | |
493 | */ | |
494 | writel(status, ®s->outbound_doorbell_clear); | |
495 | ||
06f579de YB |
496 | /* Dummy readl to force pci flush */ |
497 | readl(®s->outbound_doorbell_clear); | |
498 | ||
3cc6851f | 499 | return mfiStatus; |
f9876f0b | 500 | } |
3cc6851f | 501 | |
f9876f0b SP |
502 | /** |
503 | * megasas_fire_cmd_ppc - Sends command to the FW | |
504 | * @frame_phys_addr : Physical address of cmd | |
505 | * @frame_count : Number of frames for the command | |
506 | * @regs : MFI register set | |
507 | */ | |
0d49016b | 508 | static inline void |
0c79e681 YB |
509 | megasas_fire_cmd_ppc(struct megasas_instance *instance, |
510 | dma_addr_t frame_phys_addr, | |
511 | u32 frame_count, | |
512 | struct megasas_register_set __iomem *regs) | |
f9876f0b | 513 | { |
39a98554 | 514 | unsigned long flags; |
515 | spin_lock_irqsave(&instance->hba_lock, flags); | |
0d49016b | 516 | writel((frame_phys_addr | (frame_count<<1))|1, |
f9876f0b | 517 | &(regs)->inbound_queue_port); |
39a98554 | 518 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
f9876f0b SP |
519 | } |
520 | ||
39a98554 | 521 | /** |
522 | * megasas_check_reset_ppc - For controller reset check | |
523 | * @regs: MFI register set | |
524 | */ | |
525 | static int | |
526 | megasas_check_reset_ppc(struct megasas_instance *instance, | |
527 | struct megasas_register_set __iomem *regs) | |
528 | { | |
3cc6851f AR |
529 | if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) |
530 | return 1; | |
531 | ||
39a98554 | 532 | return 0; |
533 | } | |
3cc6851f | 534 | |
f9876f0b | 535 | static struct megasas_instance_template megasas_instance_template_ppc = { |
0d49016b | 536 | |
f9876f0b SP |
537 | .fire_cmd = megasas_fire_cmd_ppc, |
538 | .enable_intr = megasas_enable_intr_ppc, | |
b274cab7 | 539 | .disable_intr = megasas_disable_intr_ppc, |
f9876f0b SP |
540 | .clear_intr = megasas_clear_intr_ppc, |
541 | .read_fw_status_reg = megasas_read_fw_status_reg_ppc, | |
3cc6851f | 542 | .adp_reset = megasas_adp_reset_xscale, |
39a98554 | 543 | .check_reset = megasas_check_reset_ppc, |
cd50ba8e AR |
544 | .service_isr = megasas_isr, |
545 | .tasklet = megasas_complete_cmd_dpc, | |
546 | .init_adapter = megasas_init_adapter_mfi, | |
547 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
548 | .issue_dcmd = megasas_issue_dcmd, | |
f9876f0b SP |
549 | }; |
550 | ||
87911122 YB |
551 | /** |
552 | * megasas_enable_intr_skinny - Enables interrupts | |
553 | * @regs: MFI register set | |
554 | */ | |
555 | static inline void | |
d46a3ad6 | 556 | megasas_enable_intr_skinny(struct megasas_instance *instance) |
87911122 | 557 | { |
d46a3ad6 SS |
558 | struct megasas_register_set __iomem *regs; |
559 | regs = instance->reg_set; | |
87911122 YB |
560 | writel(0xFFFFFFFF, &(regs)->outbound_intr_mask); |
561 | ||
562 | writel(~MFI_SKINNY_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); | |
563 | ||
564 | /* Dummy readl to force pci flush */ | |
565 | readl(®s->outbound_intr_mask); | |
566 | } | |
567 | ||
568 | /** | |
569 | * megasas_disable_intr_skinny - Disables interrupt | |
570 | * @regs: MFI register set | |
571 | */ | |
572 | static inline void | |
d46a3ad6 | 573 | megasas_disable_intr_skinny(struct megasas_instance *instance) |
87911122 | 574 | { |
d46a3ad6 | 575 | struct megasas_register_set __iomem *regs; |
87911122 | 576 | u32 mask = 0xFFFFFFFF; |
d46a3ad6 | 577 | regs = instance->reg_set; |
87911122 YB |
578 | writel(mask, ®s->outbound_intr_mask); |
579 | /* Dummy readl to force pci flush */ | |
580 | readl(®s->outbound_intr_mask); | |
581 | } | |
582 | ||
583 | /** | |
584 | * megasas_read_fw_status_reg_skinny - returns the current FW status value | |
585 | * @regs: MFI register set | |
586 | */ | |
587 | static u32 | |
588 | megasas_read_fw_status_reg_skinny(struct megasas_register_set __iomem *regs) | |
589 | { | |
590 | return readl(&(regs)->outbound_scratch_pad); | |
591 | } | |
592 | ||
593 | /** | |
594 | * megasas_clear_interrupt_skinny - Check & clear interrupt | |
595 | * @regs: MFI register set | |
596 | */ | |
597 | static int | |
598 | megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs) | |
599 | { | |
600 | u32 status; | |
ebf054b0 AR |
601 | u32 mfiStatus = 0; |
602 | ||
87911122 YB |
603 | /* |
604 | * Check if it is our interrupt | |
605 | */ | |
606 | status = readl(®s->outbound_intr_status); | |
607 | ||
608 | if (!(status & MFI_SKINNY_ENABLE_INTERRUPT_MASK)) { | |
39a98554 | 609 | return 0; |
87911122 YB |
610 | } |
611 | ||
ebf054b0 AR |
612 | /* |
613 | * Check if it is our interrupt | |
614 | */ | |
a3fda7dd | 615 | if ((megasas_read_fw_status_reg_skinny(regs) & MFI_STATE_MASK) == |
ebf054b0 AR |
616 | MFI_STATE_FAULT) { |
617 | mfiStatus = MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
618 | } else | |
619 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; | |
620 | ||
87911122 YB |
621 | /* |
622 | * Clear the interrupt by writing back the same value | |
623 | */ | |
624 | writel(status, ®s->outbound_intr_status); | |
625 | ||
626 | /* | |
627 | * dummy read to flush PCI | |
628 | */ | |
629 | readl(®s->outbound_intr_status); | |
630 | ||
ebf054b0 | 631 | return mfiStatus; |
87911122 YB |
632 | } |
633 | ||
634 | /** | |
635 | * megasas_fire_cmd_skinny - Sends command to the FW | |
636 | * @frame_phys_addr : Physical address of cmd | |
637 | * @frame_count : Number of frames for the command | |
638 | * @regs : MFI register set | |
639 | */ | |
640 | static inline void | |
0c79e681 YB |
641 | megasas_fire_cmd_skinny(struct megasas_instance *instance, |
642 | dma_addr_t frame_phys_addr, | |
643 | u32 frame_count, | |
87911122 YB |
644 | struct megasas_register_set __iomem *regs) |
645 | { | |
0c79e681 | 646 | unsigned long flags; |
39a98554 | 647 | spin_lock_irqsave(&instance->hba_lock, flags); |
94cd65dd SS |
648 | writel(upper_32_bits(frame_phys_addr), |
649 | &(regs)->inbound_high_queue_port); | |
650 | writel((lower_32_bits(frame_phys_addr) | (frame_count<<1))|1, | |
651 | &(regs)->inbound_low_queue_port); | |
39a98554 | 652 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
653 | } | |
654 | ||
39a98554 | 655 | /** |
656 | * megasas_check_reset_skinny - For controller reset check | |
657 | * @regs: MFI register set | |
658 | */ | |
659 | static int | |
660 | megasas_check_reset_skinny(struct megasas_instance *instance, | |
661 | struct megasas_register_set __iomem *regs) | |
662 | { | |
3cc6851f AR |
663 | if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) |
664 | return 1; | |
665 | ||
39a98554 | 666 | return 0; |
87911122 YB |
667 | } |
668 | ||
669 | static struct megasas_instance_template megasas_instance_template_skinny = { | |
670 | ||
671 | .fire_cmd = megasas_fire_cmd_skinny, | |
672 | .enable_intr = megasas_enable_intr_skinny, | |
673 | .disable_intr = megasas_disable_intr_skinny, | |
674 | .clear_intr = megasas_clear_intr_skinny, | |
675 | .read_fw_status_reg = megasas_read_fw_status_reg_skinny, | |
ebf054b0 | 676 | .adp_reset = megasas_adp_reset_gen2, |
39a98554 | 677 | .check_reset = megasas_check_reset_skinny, |
cd50ba8e AR |
678 | .service_isr = megasas_isr, |
679 | .tasklet = megasas_complete_cmd_dpc, | |
680 | .init_adapter = megasas_init_adapter_mfi, | |
681 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
682 | .issue_dcmd = megasas_issue_dcmd, | |
87911122 YB |
683 | }; |
684 | ||
685 | ||
6610a6b3 YB |
686 | /** |
687 | * The following functions are defined for gen2 (deviceid : 0x78 0x79) | |
688 | * controllers | |
689 | */ | |
690 | ||
691 | /** | |
692 | * megasas_enable_intr_gen2 - Enables interrupts | |
693 | * @regs: MFI register set | |
694 | */ | |
695 | static inline void | |
d46a3ad6 | 696 | megasas_enable_intr_gen2(struct megasas_instance *instance) |
6610a6b3 | 697 | { |
d46a3ad6 SS |
698 | struct megasas_register_set __iomem *regs; |
699 | regs = instance->reg_set; | |
6610a6b3 YB |
700 | writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear); |
701 | ||
702 | /* write ~0x00000005 (4 & 1) to the intr mask*/ | |
703 | writel(~MFI_GEN2_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); | |
704 | ||
705 | /* Dummy readl to force pci flush */ | |
706 | readl(®s->outbound_intr_mask); | |
707 | } | |
708 | ||
709 | /** | |
710 | * megasas_disable_intr_gen2 - Disables interrupt | |
711 | * @regs: MFI register set | |
712 | */ | |
713 | static inline void | |
d46a3ad6 | 714 | megasas_disable_intr_gen2(struct megasas_instance *instance) |
6610a6b3 | 715 | { |
d46a3ad6 | 716 | struct megasas_register_set __iomem *regs; |
6610a6b3 | 717 | u32 mask = 0xFFFFFFFF; |
d46a3ad6 | 718 | regs = instance->reg_set; |
6610a6b3 YB |
719 | writel(mask, ®s->outbound_intr_mask); |
720 | /* Dummy readl to force pci flush */ | |
721 | readl(®s->outbound_intr_mask); | |
722 | } | |
723 | ||
724 | /** | |
725 | * megasas_read_fw_status_reg_gen2 - returns the current FW status value | |
726 | * @regs: MFI register set | |
727 | */ | |
728 | static u32 | |
729 | megasas_read_fw_status_reg_gen2(struct megasas_register_set __iomem *regs) | |
730 | { | |
731 | return readl(&(regs)->outbound_scratch_pad); | |
732 | } | |
733 | ||
734 | /** | |
735 | * megasas_clear_interrupt_gen2 - Check & clear interrupt | |
736 | * @regs: MFI register set | |
737 | */ | |
738 | static int | |
739 | megasas_clear_intr_gen2(struct megasas_register_set __iomem *regs) | |
740 | { | |
741 | u32 status; | |
39a98554 | 742 | u32 mfiStatus = 0; |
6610a6b3 YB |
743 | /* |
744 | * Check if it is our interrupt | |
745 | */ | |
746 | status = readl(®s->outbound_intr_status); | |
747 | ||
b5bccadd | 748 | if (status & MFI_INTR_FLAG_REPLY_MESSAGE) { |
39a98554 | 749 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; |
750 | } | |
751 | if (status & MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT) { | |
752 | mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
753 | } | |
6610a6b3 YB |
754 | |
755 | /* | |
756 | * Clear the interrupt by writing back the same value | |
757 | */ | |
39a98554 | 758 | if (mfiStatus) |
759 | writel(status, ®s->outbound_doorbell_clear); | |
6610a6b3 YB |
760 | |
761 | /* Dummy readl to force pci flush */ | |
762 | readl(®s->outbound_intr_status); | |
763 | ||
39a98554 | 764 | return mfiStatus; |
6610a6b3 YB |
765 | } |
766 | /** | |
767 | * megasas_fire_cmd_gen2 - Sends command to the FW | |
768 | * @frame_phys_addr : Physical address of cmd | |
769 | * @frame_count : Number of frames for the command | |
770 | * @regs : MFI register set | |
771 | */ | |
772 | static inline void | |
0c79e681 YB |
773 | megasas_fire_cmd_gen2(struct megasas_instance *instance, |
774 | dma_addr_t frame_phys_addr, | |
775 | u32 frame_count, | |
6610a6b3 YB |
776 | struct megasas_register_set __iomem *regs) |
777 | { | |
39a98554 | 778 | unsigned long flags; |
779 | spin_lock_irqsave(&instance->hba_lock, flags); | |
6610a6b3 YB |
780 | writel((frame_phys_addr | (frame_count<<1))|1, |
781 | &(regs)->inbound_queue_port); | |
39a98554 | 782 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
783 | } | |
784 | ||
785 | /** | |
786 | * megasas_adp_reset_gen2 - For controller reset | |
787 | * @regs: MFI register set | |
788 | */ | |
789 | static int | |
790 | megasas_adp_reset_gen2(struct megasas_instance *instance, | |
791 | struct megasas_register_set __iomem *reg_set) | |
792 | { | |
793 | u32 retry = 0 ; | |
794 | u32 HostDiag; | |
ebf054b0 AR |
795 | u32 *seq_offset = ®_set->seq_offset; |
796 | u32 *hostdiag_offset = ®_set->host_diag; | |
797 | ||
798 | if (instance->instancet == &megasas_instance_template_skinny) { | |
799 | seq_offset = ®_set->fusion_seq_offset; | |
800 | hostdiag_offset = ®_set->fusion_host_diag; | |
801 | } | |
802 | ||
803 | writel(0, seq_offset); | |
804 | writel(4, seq_offset); | |
805 | writel(0xb, seq_offset); | |
806 | writel(2, seq_offset); | |
807 | writel(7, seq_offset); | |
808 | writel(0xd, seq_offset); | |
39a98554 | 809 | |
39a98554 | 810 | msleep(1000); |
811 | ||
ebf054b0 | 812 | HostDiag = (u32)readl(hostdiag_offset); |
39a98554 | 813 | |
814 | while ( !( HostDiag & DIAG_WRITE_ENABLE) ) { | |
815 | msleep(100); | |
ebf054b0 | 816 | HostDiag = (u32)readl(hostdiag_offset); |
39a98554 | 817 | printk(KERN_NOTICE "RESETGEN2: retry=%x, hostdiag=%x\n", |
818 | retry, HostDiag); | |
819 | ||
820 | if (retry++ >= 100) | |
821 | return 1; | |
822 | ||
823 | } | |
824 | ||
825 | printk(KERN_NOTICE "ADP_RESET_GEN2: HostDiag=%x\n", HostDiag); | |
826 | ||
ebf054b0 | 827 | writel((HostDiag | DIAG_RESET_ADAPTER), hostdiag_offset); |
39a98554 | 828 | |
829 | ssleep(10); | |
830 | ||
ebf054b0 | 831 | HostDiag = (u32)readl(hostdiag_offset); |
39a98554 | 832 | while ( ( HostDiag & DIAG_RESET_ADAPTER) ) { |
833 | msleep(100); | |
ebf054b0 | 834 | HostDiag = (u32)readl(hostdiag_offset); |
39a98554 | 835 | printk(KERN_NOTICE "RESET_GEN2: retry=%x, hostdiag=%x\n", |
836 | retry, HostDiag); | |
837 | ||
838 | if (retry++ >= 1000) | |
839 | return 1; | |
840 | ||
841 | } | |
842 | return 0; | |
843 | } | |
844 | ||
845 | /** | |
846 | * megasas_check_reset_gen2 - For controller reset check | |
847 | * @regs: MFI register set | |
848 | */ | |
849 | static int | |
850 | megasas_check_reset_gen2(struct megasas_instance *instance, | |
851 | struct megasas_register_set __iomem *regs) | |
852 | { | |
707e09bd YB |
853 | if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { |
854 | return 1; | |
855 | } | |
856 | ||
39a98554 | 857 | return 0; |
6610a6b3 YB |
858 | } |
859 | ||
860 | static struct megasas_instance_template megasas_instance_template_gen2 = { | |
861 | ||
862 | .fire_cmd = megasas_fire_cmd_gen2, | |
863 | .enable_intr = megasas_enable_intr_gen2, | |
864 | .disable_intr = megasas_disable_intr_gen2, | |
865 | .clear_intr = megasas_clear_intr_gen2, | |
866 | .read_fw_status_reg = megasas_read_fw_status_reg_gen2, | |
39a98554 | 867 | .adp_reset = megasas_adp_reset_gen2, |
868 | .check_reset = megasas_check_reset_gen2, | |
cd50ba8e AR |
869 | .service_isr = megasas_isr, |
870 | .tasklet = megasas_complete_cmd_dpc, | |
871 | .init_adapter = megasas_init_adapter_mfi, | |
872 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
873 | .issue_dcmd = megasas_issue_dcmd, | |
6610a6b3 YB |
874 | }; |
875 | ||
f9876f0b SP |
876 | /** |
877 | * This is the end of set of functions & definitions | |
39a98554 | 878 | * specific to gen2 (deviceid : 0x78, 0x79) controllers |
f9876f0b SP |
879 | */ |
880 | ||
9c915a8c AR |
881 | /* |
882 | * Template added for TB (Fusion) | |
883 | */ | |
884 | extern struct megasas_instance_template megasas_instance_template_fusion; | |
885 | ||
c4a3e0a5 BS |
886 | /** |
887 | * megasas_issue_polled - Issues a polling command | |
888 | * @instance: Adapter soft state | |
0d49016b | 889 | * @cmd: Command packet to be issued |
c4a3e0a5 BS |
890 | * |
891 | * For polling, MFI requires the cmd_status to be set to 0xFF before posting. | |
892 | */ | |
9c915a8c | 893 | int |
c4a3e0a5 BS |
894 | megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd) |
895 | { | |
229fe47c | 896 | int seconds; |
c4a3e0a5 BS |
897 | |
898 | struct megasas_header *frame_hdr = &cmd->frame->hdr; | |
899 | ||
94cd65dd SS |
900 | frame_hdr->cmd_status = MFI_CMD_STATUS_POLL_MODE; |
901 | frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); | |
c4a3e0a5 BS |
902 | |
903 | /* | |
904 | * Issue the frame using inbound queue port | |
905 | */ | |
9c915a8c | 906 | instance->instancet->issue_dcmd(instance, cmd); |
c4a3e0a5 BS |
907 | |
908 | /* | |
909 | * Wait for cmd_status to change | |
910 | */ | |
229fe47c AR |
911 | if (instance->requestorId) |
912 | seconds = MEGASAS_ROUTINE_WAIT_TIME_VF; | |
913 | else | |
914 | seconds = MFI_POLL_TIMEOUT_SECS; | |
915 | return wait_and_poll(instance, cmd, seconds); | |
c4a3e0a5 BS |
916 | } |
917 | ||
918 | /** | |
919 | * megasas_issue_blocked_cmd - Synchronous wrapper around regular FW cmds | |
920 | * @instance: Adapter soft state | |
921 | * @cmd: Command to be issued | |
cfbe7554 | 922 | * @timeout: Timeout in seconds |
c4a3e0a5 BS |
923 | * |
924 | * This function waits on an event for the command to be returned from ISR. | |
2a3681e5 | 925 | * Max wait time is MEGASAS_INTERNAL_CMD_WAIT_TIME secs |
c4a3e0a5 BS |
926 | * Used to issue ioctl commands. |
927 | */ | |
928 | static int | |
929 | megasas_issue_blocked_cmd(struct megasas_instance *instance, | |
cfbe7554 | 930 | struct megasas_cmd *cmd, int timeout) |
c4a3e0a5 | 931 | { |
cfbe7554 | 932 | int ret = 0; |
c4a3e0a5 BS |
933 | cmd->cmd_status = ENODATA; |
934 | ||
9c915a8c | 935 | instance->instancet->issue_dcmd(instance, cmd); |
cfbe7554 SS |
936 | if (timeout) { |
937 | ret = wait_event_timeout(instance->int_cmd_wait_q, | |
938 | cmd->cmd_status != ENODATA, timeout * HZ); | |
939 | if (!ret) | |
940 | return 1; | |
941 | } else | |
942 | wait_event(instance->int_cmd_wait_q, | |
943 | cmd->cmd_status != ENODATA); | |
c4a3e0a5 BS |
944 | |
945 | return 0; | |
946 | } | |
947 | ||
948 | /** | |
949 | * megasas_issue_blocked_abort_cmd - Aborts previously issued cmd | |
950 | * @instance: Adapter soft state | |
951 | * @cmd_to_abort: Previously issued cmd to be aborted | |
cfbe7554 | 952 | * @timeout: Timeout in seconds |
c4a3e0a5 | 953 | * |
cfbe7554 | 954 | * MFI firmware can abort previously issued AEN comamnd (automatic event |
c4a3e0a5 | 955 | * notification). The megasas_issue_blocked_abort_cmd() issues such abort |
2a3681e5 SP |
956 | * cmd and waits for return status. |
957 | * Max wait time is MEGASAS_INTERNAL_CMD_WAIT_TIME secs | |
c4a3e0a5 BS |
958 | */ |
959 | static int | |
960 | megasas_issue_blocked_abort_cmd(struct megasas_instance *instance, | |
cfbe7554 | 961 | struct megasas_cmd *cmd_to_abort, int timeout) |
c4a3e0a5 BS |
962 | { |
963 | struct megasas_cmd *cmd; | |
964 | struct megasas_abort_frame *abort_fr; | |
cfbe7554 | 965 | int ret = 0; |
c4a3e0a5 BS |
966 | |
967 | cmd = megasas_get_cmd(instance); | |
968 | ||
969 | if (!cmd) | |
970 | return -1; | |
971 | ||
972 | abort_fr = &cmd->frame->abort; | |
973 | ||
974 | /* | |
975 | * Prepare and issue the abort frame | |
976 | */ | |
977 | abort_fr->cmd = MFI_CMD_ABORT; | |
978 | abort_fr->cmd_status = 0xFF; | |
94cd65dd SS |
979 | abort_fr->flags = cpu_to_le16(0); |
980 | abort_fr->abort_context = cpu_to_le32(cmd_to_abort->index); | |
981 | abort_fr->abort_mfi_phys_addr_lo = | |
982 | cpu_to_le32(lower_32_bits(cmd_to_abort->frame_phys_addr)); | |
983 | abort_fr->abort_mfi_phys_addr_hi = | |
984 | cpu_to_le32(upper_32_bits(cmd_to_abort->frame_phys_addr)); | |
c4a3e0a5 BS |
985 | |
986 | cmd->sync_cmd = 1; | |
987 | cmd->cmd_status = 0xFF; | |
988 | ||
9c915a8c | 989 | instance->instancet->issue_dcmd(instance, cmd); |
c4a3e0a5 | 990 | |
cfbe7554 SS |
991 | if (timeout) { |
992 | ret = wait_event_timeout(instance->abort_cmd_wait_q, | |
993 | cmd->cmd_status != ENODATA, timeout * HZ); | |
994 | if (!ret) { | |
995 | dev_err(&instance->pdev->dev, "Command timedout" | |
996 | "from %s\n", __func__); | |
997 | return 1; | |
998 | } | |
999 | } else | |
1000 | wait_event(instance->abort_cmd_wait_q, | |
1001 | cmd->cmd_status != ENODATA); | |
1002 | ||
39a98554 | 1003 | cmd->sync_cmd = 0; |
c4a3e0a5 BS |
1004 | |
1005 | megasas_return_cmd(instance, cmd); | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | /** | |
1010 | * megasas_make_sgl32 - Prepares 32-bit SGL | |
1011 | * @instance: Adapter soft state | |
1012 | * @scp: SCSI command from the mid-layer | |
1013 | * @mfi_sgl: SGL to be filled in | |
1014 | * | |
1015 | * If successful, this function returns the number of SG elements. Otherwise, | |
1016 | * it returnes -1. | |
1017 | */ | |
858119e1 | 1018 | static int |
c4a3e0a5 BS |
1019 | megasas_make_sgl32(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1020 | union megasas_sgl *mfi_sgl) | |
1021 | { | |
1022 | int i; | |
1023 | int sge_count; | |
1024 | struct scatterlist *os_sgl; | |
1025 | ||
155d98f0 FT |
1026 | sge_count = scsi_dma_map(scp); |
1027 | BUG_ON(sge_count < 0); | |
c4a3e0a5 | 1028 | |
155d98f0 FT |
1029 | if (sge_count) { |
1030 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { | |
94cd65dd SS |
1031 | mfi_sgl->sge32[i].length = cpu_to_le32(sg_dma_len(os_sgl)); |
1032 | mfi_sgl->sge32[i].phys_addr = cpu_to_le32(sg_dma_address(os_sgl)); | |
155d98f0 | 1033 | } |
c4a3e0a5 | 1034 | } |
c4a3e0a5 BS |
1035 | return sge_count; |
1036 | } | |
1037 | ||
1038 | /** | |
1039 | * megasas_make_sgl64 - Prepares 64-bit SGL | |
1040 | * @instance: Adapter soft state | |
1041 | * @scp: SCSI command from the mid-layer | |
1042 | * @mfi_sgl: SGL to be filled in | |
1043 | * | |
1044 | * If successful, this function returns the number of SG elements. Otherwise, | |
1045 | * it returnes -1. | |
1046 | */ | |
858119e1 | 1047 | static int |
c4a3e0a5 BS |
1048 | megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1049 | union megasas_sgl *mfi_sgl) | |
1050 | { | |
1051 | int i; | |
1052 | int sge_count; | |
1053 | struct scatterlist *os_sgl; | |
1054 | ||
155d98f0 FT |
1055 | sge_count = scsi_dma_map(scp); |
1056 | BUG_ON(sge_count < 0); | |
c4a3e0a5 | 1057 | |
155d98f0 FT |
1058 | if (sge_count) { |
1059 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { | |
94cd65dd SS |
1060 | mfi_sgl->sge64[i].length = cpu_to_le32(sg_dma_len(os_sgl)); |
1061 | mfi_sgl->sge64[i].phys_addr = cpu_to_le64(sg_dma_address(os_sgl)); | |
155d98f0 | 1062 | } |
c4a3e0a5 | 1063 | } |
c4a3e0a5 BS |
1064 | return sge_count; |
1065 | } | |
1066 | ||
f4c9a131 YB |
1067 | /** |
1068 | * megasas_make_sgl_skinny - Prepares IEEE SGL | |
1069 | * @instance: Adapter soft state | |
1070 | * @scp: SCSI command from the mid-layer | |
1071 | * @mfi_sgl: SGL to be filled in | |
1072 | * | |
1073 | * If successful, this function returns the number of SG elements. Otherwise, | |
1074 | * it returnes -1. | |
1075 | */ | |
1076 | static int | |
1077 | megasas_make_sgl_skinny(struct megasas_instance *instance, | |
1078 | struct scsi_cmnd *scp, union megasas_sgl *mfi_sgl) | |
1079 | { | |
1080 | int i; | |
1081 | int sge_count; | |
1082 | struct scatterlist *os_sgl; | |
1083 | ||
1084 | sge_count = scsi_dma_map(scp); | |
1085 | ||
1086 | if (sge_count) { | |
1087 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { | |
94cd65dd SS |
1088 | mfi_sgl->sge_skinny[i].length = |
1089 | cpu_to_le32(sg_dma_len(os_sgl)); | |
f4c9a131 | 1090 | mfi_sgl->sge_skinny[i].phys_addr = |
94cd65dd SS |
1091 | cpu_to_le64(sg_dma_address(os_sgl)); |
1092 | mfi_sgl->sge_skinny[i].flag = cpu_to_le32(0); | |
f4c9a131 YB |
1093 | } |
1094 | } | |
1095 | return sge_count; | |
1096 | } | |
1097 | ||
b1df99d9 SP |
1098 | /** |
1099 | * megasas_get_frame_count - Computes the number of frames | |
d532dbe2 | 1100 | * @frame_type : type of frame- io or pthru frame |
b1df99d9 SP |
1101 | * @sge_count : number of sg elements |
1102 | * | |
1103 | * Returns the number of frames required for numnber of sge's (sge_count) | |
1104 | */ | |
1105 | ||
f4c9a131 YB |
1106 | static u32 megasas_get_frame_count(struct megasas_instance *instance, |
1107 | u8 sge_count, u8 frame_type) | |
b1df99d9 SP |
1108 | { |
1109 | int num_cnt; | |
1110 | int sge_bytes; | |
1111 | u32 sge_sz; | |
1112 | u32 frame_count=0; | |
1113 | ||
1114 | sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : | |
1115 | sizeof(struct megasas_sge32); | |
1116 | ||
f4c9a131 YB |
1117 | if (instance->flag_ieee) { |
1118 | sge_sz = sizeof(struct megasas_sge_skinny); | |
1119 | } | |
1120 | ||
b1df99d9 | 1121 | /* |
d532dbe2 | 1122 | * Main frame can contain 2 SGEs for 64-bit SGLs and |
1123 | * 3 SGEs for 32-bit SGLs for ldio & | |
1124 | * 1 SGEs for 64-bit SGLs and | |
1125 | * 2 SGEs for 32-bit SGLs for pthru frame | |
1126 | */ | |
1127 | if (unlikely(frame_type == PTHRU_FRAME)) { | |
f4c9a131 YB |
1128 | if (instance->flag_ieee == 1) { |
1129 | num_cnt = sge_count - 1; | |
1130 | } else if (IS_DMA64) | |
d532dbe2 | 1131 | num_cnt = sge_count - 1; |
1132 | else | |
1133 | num_cnt = sge_count - 2; | |
1134 | } else { | |
f4c9a131 YB |
1135 | if (instance->flag_ieee == 1) { |
1136 | num_cnt = sge_count - 1; | |
1137 | } else if (IS_DMA64) | |
d532dbe2 | 1138 | num_cnt = sge_count - 2; |
1139 | else | |
1140 | num_cnt = sge_count - 3; | |
1141 | } | |
b1df99d9 SP |
1142 | |
1143 | if(num_cnt>0){ | |
1144 | sge_bytes = sge_sz * num_cnt; | |
1145 | ||
1146 | frame_count = (sge_bytes / MEGAMFI_FRAME_SIZE) + | |
1147 | ((sge_bytes % MEGAMFI_FRAME_SIZE) ? 1 : 0) ; | |
1148 | } | |
1149 | /* Main frame */ | |
1150 | frame_count +=1; | |
1151 | ||
1152 | if (frame_count > 7) | |
1153 | frame_count = 8; | |
1154 | return frame_count; | |
1155 | } | |
1156 | ||
c4a3e0a5 BS |
1157 | /** |
1158 | * megasas_build_dcdb - Prepares a direct cdb (DCDB) command | |
1159 | * @instance: Adapter soft state | |
1160 | * @scp: SCSI command | |
1161 | * @cmd: Command to be prepared in | |
1162 | * | |
1163 | * This function prepares CDB commands. These are typcially pass-through | |
1164 | * commands to the devices. | |
1165 | */ | |
858119e1 | 1166 | static int |
c4a3e0a5 BS |
1167 | megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1168 | struct megasas_cmd *cmd) | |
1169 | { | |
c4a3e0a5 BS |
1170 | u32 is_logical; |
1171 | u32 device_id; | |
1172 | u16 flags = 0; | |
1173 | struct megasas_pthru_frame *pthru; | |
1174 | ||
1175 | is_logical = MEGASAS_IS_LOGICAL(scp); | |
1176 | device_id = MEGASAS_DEV_INDEX(instance, scp); | |
1177 | pthru = (struct megasas_pthru_frame *)cmd->frame; | |
1178 | ||
1179 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
1180 | flags = MFI_FRAME_DIR_WRITE; | |
1181 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1182 | flags = MFI_FRAME_DIR_READ; | |
1183 | else if (scp->sc_data_direction == PCI_DMA_NONE) | |
1184 | flags = MFI_FRAME_DIR_NONE; | |
1185 | ||
f4c9a131 YB |
1186 | if (instance->flag_ieee == 1) { |
1187 | flags |= MFI_FRAME_IEEE; | |
1188 | } | |
1189 | ||
c4a3e0a5 BS |
1190 | /* |
1191 | * Prepare the DCDB frame | |
1192 | */ | |
1193 | pthru->cmd = (is_logical) ? MFI_CMD_LD_SCSI_IO : MFI_CMD_PD_SCSI_IO; | |
1194 | pthru->cmd_status = 0x0; | |
1195 | pthru->scsi_status = 0x0; | |
1196 | pthru->target_id = device_id; | |
1197 | pthru->lun = scp->device->lun; | |
1198 | pthru->cdb_len = scp->cmd_len; | |
1199 | pthru->timeout = 0; | |
780a3762 | 1200 | pthru->pad_0 = 0; |
94cd65dd SS |
1201 | pthru->flags = cpu_to_le16(flags); |
1202 | pthru->data_xfer_len = cpu_to_le32(scsi_bufflen(scp)); | |
c4a3e0a5 BS |
1203 | |
1204 | memcpy(pthru->cdb, scp->cmnd, scp->cmd_len); | |
1205 | ||
8d568253 YB |
1206 | /* |
1207 | * If the command is for the tape device, set the | |
1208 | * pthru timeout to the os layer timeout value. | |
1209 | */ | |
1210 | if (scp->device->type == TYPE_TAPE) { | |
1211 | if ((scp->request->timeout / HZ) > 0xFFFF) | |
1212 | pthru->timeout = 0xFFFF; | |
1213 | else | |
94cd65dd | 1214 | pthru->timeout = cpu_to_le16(scp->request->timeout / HZ); |
8d568253 YB |
1215 | } |
1216 | ||
c4a3e0a5 BS |
1217 | /* |
1218 | * Construct SGL | |
1219 | */ | |
f4c9a131 | 1220 | if (instance->flag_ieee == 1) { |
94cd65dd | 1221 | pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
f4c9a131 YB |
1222 | pthru->sge_count = megasas_make_sgl_skinny(instance, scp, |
1223 | &pthru->sgl); | |
1224 | } else if (IS_DMA64) { | |
94cd65dd | 1225 | pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
c4a3e0a5 BS |
1226 | pthru->sge_count = megasas_make_sgl64(instance, scp, |
1227 | &pthru->sgl); | |
1228 | } else | |
1229 | pthru->sge_count = megasas_make_sgl32(instance, scp, | |
1230 | &pthru->sgl); | |
1231 | ||
bdc6fb8d YB |
1232 | if (pthru->sge_count > instance->max_num_sge) { |
1233 | printk(KERN_ERR "megasas: DCDB two many SGE NUM=%x\n", | |
1234 | pthru->sge_count); | |
1235 | return 0; | |
1236 | } | |
1237 | ||
c4a3e0a5 BS |
1238 | /* |
1239 | * Sense info specific | |
1240 | */ | |
1241 | pthru->sense_len = SCSI_SENSE_BUFFERSIZE; | |
94cd65dd SS |
1242 | pthru->sense_buf_phys_addr_hi = |
1243 | cpu_to_le32(upper_32_bits(cmd->sense_phys_addr)); | |
1244 | pthru->sense_buf_phys_addr_lo = | |
1245 | cpu_to_le32(lower_32_bits(cmd->sense_phys_addr)); | |
c4a3e0a5 | 1246 | |
c4a3e0a5 BS |
1247 | /* |
1248 | * Compute the total number of frames this command consumes. FW uses | |
1249 | * this number to pull sufficient number of frames from host memory. | |
1250 | */ | |
f4c9a131 | 1251 | cmd->frame_count = megasas_get_frame_count(instance, pthru->sge_count, |
d532dbe2 | 1252 | PTHRU_FRAME); |
c4a3e0a5 BS |
1253 | |
1254 | return cmd->frame_count; | |
1255 | } | |
1256 | ||
1257 | /** | |
1258 | * megasas_build_ldio - Prepares IOs to logical devices | |
1259 | * @instance: Adapter soft state | |
1260 | * @scp: SCSI command | |
fd589a8f | 1261 | * @cmd: Command to be prepared |
c4a3e0a5 BS |
1262 | * |
1263 | * Frames (and accompanying SGLs) for regular SCSI IOs use this function. | |
1264 | */ | |
858119e1 | 1265 | static int |
c4a3e0a5 BS |
1266 | megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1267 | struct megasas_cmd *cmd) | |
1268 | { | |
c4a3e0a5 BS |
1269 | u32 device_id; |
1270 | u8 sc = scp->cmnd[0]; | |
1271 | u16 flags = 0; | |
1272 | struct megasas_io_frame *ldio; | |
1273 | ||
1274 | device_id = MEGASAS_DEV_INDEX(instance, scp); | |
1275 | ldio = (struct megasas_io_frame *)cmd->frame; | |
1276 | ||
1277 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
1278 | flags = MFI_FRAME_DIR_WRITE; | |
1279 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1280 | flags = MFI_FRAME_DIR_READ; | |
1281 | ||
f4c9a131 YB |
1282 | if (instance->flag_ieee == 1) { |
1283 | flags |= MFI_FRAME_IEEE; | |
1284 | } | |
1285 | ||
c4a3e0a5 | 1286 | /* |
b1df99d9 | 1287 | * Prepare the Logical IO frame: 2nd bit is zero for all read cmds |
c4a3e0a5 BS |
1288 | */ |
1289 | ldio->cmd = (sc & 0x02) ? MFI_CMD_LD_WRITE : MFI_CMD_LD_READ; | |
1290 | ldio->cmd_status = 0x0; | |
1291 | ldio->scsi_status = 0x0; | |
1292 | ldio->target_id = device_id; | |
1293 | ldio->timeout = 0; | |
1294 | ldio->reserved_0 = 0; | |
1295 | ldio->pad_0 = 0; | |
94cd65dd | 1296 | ldio->flags = cpu_to_le16(flags); |
c4a3e0a5 BS |
1297 | ldio->start_lba_hi = 0; |
1298 | ldio->access_byte = (scp->cmd_len != 6) ? scp->cmnd[1] : 0; | |
1299 | ||
1300 | /* | |
1301 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
1302 | */ | |
1303 | if (scp->cmd_len == 6) { | |
94cd65dd SS |
1304 | ldio->lba_count = cpu_to_le32((u32) scp->cmnd[4]); |
1305 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[1] << 16) | | |
1306 | ((u32) scp->cmnd[2] << 8) | | |
1307 | (u32) scp->cmnd[3]); | |
c4a3e0a5 | 1308 | |
94cd65dd | 1309 | ldio->start_lba_lo &= cpu_to_le32(0x1FFFFF); |
c4a3e0a5 BS |
1310 | } |
1311 | ||
1312 | /* | |
1313 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
1314 | */ | |
1315 | else if (scp->cmd_len == 10) { | |
94cd65dd SS |
1316 | ldio->lba_count = cpu_to_le32((u32) scp->cmnd[8] | |
1317 | ((u32) scp->cmnd[7] << 8)); | |
1318 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) | | |
1319 | ((u32) scp->cmnd[3] << 16) | | |
1320 | ((u32) scp->cmnd[4] << 8) | | |
1321 | (u32) scp->cmnd[5]); | |
c4a3e0a5 BS |
1322 | } |
1323 | ||
1324 | /* | |
1325 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
1326 | */ | |
1327 | else if (scp->cmd_len == 12) { | |
94cd65dd SS |
1328 | ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[6] << 24) | |
1329 | ((u32) scp->cmnd[7] << 16) | | |
1330 | ((u32) scp->cmnd[8] << 8) | | |
1331 | (u32) scp->cmnd[9]); | |
c4a3e0a5 | 1332 | |
94cd65dd SS |
1333 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) | |
1334 | ((u32) scp->cmnd[3] << 16) | | |
1335 | ((u32) scp->cmnd[4] << 8) | | |
1336 | (u32) scp->cmnd[5]); | |
c4a3e0a5 BS |
1337 | } |
1338 | ||
1339 | /* | |
1340 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
1341 | */ | |
1342 | else if (scp->cmd_len == 16) { | |
94cd65dd SS |
1343 | ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[10] << 24) | |
1344 | ((u32) scp->cmnd[11] << 16) | | |
1345 | ((u32) scp->cmnd[12] << 8) | | |
1346 | (u32) scp->cmnd[13]); | |
c4a3e0a5 | 1347 | |
94cd65dd SS |
1348 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[6] << 24) | |
1349 | ((u32) scp->cmnd[7] << 16) | | |
1350 | ((u32) scp->cmnd[8] << 8) | | |
1351 | (u32) scp->cmnd[9]); | |
c4a3e0a5 | 1352 | |
94cd65dd SS |
1353 | ldio->start_lba_hi = cpu_to_le32(((u32) scp->cmnd[2] << 24) | |
1354 | ((u32) scp->cmnd[3] << 16) | | |
1355 | ((u32) scp->cmnd[4] << 8) | | |
1356 | (u32) scp->cmnd[5]); | |
c4a3e0a5 BS |
1357 | |
1358 | } | |
1359 | ||
1360 | /* | |
1361 | * Construct SGL | |
1362 | */ | |
f4c9a131 | 1363 | if (instance->flag_ieee) { |
94cd65dd | 1364 | ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
f4c9a131 YB |
1365 | ldio->sge_count = megasas_make_sgl_skinny(instance, scp, |
1366 | &ldio->sgl); | |
1367 | } else if (IS_DMA64) { | |
94cd65dd | 1368 | ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
c4a3e0a5 BS |
1369 | ldio->sge_count = megasas_make_sgl64(instance, scp, &ldio->sgl); |
1370 | } else | |
1371 | ldio->sge_count = megasas_make_sgl32(instance, scp, &ldio->sgl); | |
1372 | ||
bdc6fb8d YB |
1373 | if (ldio->sge_count > instance->max_num_sge) { |
1374 | printk(KERN_ERR "megasas: build_ld_io: sge_count = %x\n", | |
1375 | ldio->sge_count); | |
1376 | return 0; | |
1377 | } | |
1378 | ||
c4a3e0a5 BS |
1379 | /* |
1380 | * Sense info specific | |
1381 | */ | |
1382 | ldio->sense_len = SCSI_SENSE_BUFFERSIZE; | |
1383 | ldio->sense_buf_phys_addr_hi = 0; | |
94cd65dd | 1384 | ldio->sense_buf_phys_addr_lo = cpu_to_le32(cmd->sense_phys_addr); |
c4a3e0a5 | 1385 | |
b1df99d9 SP |
1386 | /* |
1387 | * Compute the total number of frames this command consumes. FW uses | |
1388 | * this number to pull sufficient number of frames from host memory. | |
1389 | */ | |
f4c9a131 YB |
1390 | cmd->frame_count = megasas_get_frame_count(instance, |
1391 | ldio->sge_count, IO_FRAME); | |
c4a3e0a5 BS |
1392 | |
1393 | return cmd->frame_count; | |
1394 | } | |
1395 | ||
1396 | /** | |
cb59aa6a SP |
1397 | * megasas_is_ldio - Checks if the cmd is for logical drive |
1398 | * @scmd: SCSI command | |
0d49016b | 1399 | * |
cb59aa6a | 1400 | * Called by megasas_queue_command to find out if the command to be queued |
0d49016b | 1401 | * is a logical drive command |
c4a3e0a5 | 1402 | */ |
9c915a8c | 1403 | inline int megasas_is_ldio(struct scsi_cmnd *cmd) |
c4a3e0a5 | 1404 | { |
cb59aa6a SP |
1405 | if (!MEGASAS_IS_LOGICAL(cmd)) |
1406 | return 0; | |
1407 | switch (cmd->cmnd[0]) { | |
1408 | case READ_10: | |
1409 | case WRITE_10: | |
1410 | case READ_12: | |
1411 | case WRITE_12: | |
1412 | case READ_6: | |
1413 | case WRITE_6: | |
1414 | case READ_16: | |
1415 | case WRITE_16: | |
1416 | return 1; | |
1417 | default: | |
1418 | return 0; | |
c4a3e0a5 | 1419 | } |
c4a3e0a5 BS |
1420 | } |
1421 | ||
658dcedb SP |
1422 | /** |
1423 | * megasas_dump_pending_frames - Dumps the frame address of all pending cmds | |
1424 | * in FW | |
1425 | * @instance: Adapter soft state | |
1426 | */ | |
1427 | static inline void | |
1428 | megasas_dump_pending_frames(struct megasas_instance *instance) | |
1429 | { | |
1430 | struct megasas_cmd *cmd; | |
1431 | int i,n; | |
1432 | union megasas_sgl *mfi_sgl; | |
1433 | struct megasas_io_frame *ldio; | |
1434 | struct megasas_pthru_frame *pthru; | |
1435 | u32 sgcount; | |
1436 | u32 max_cmd = instance->max_fw_cmds; | |
1437 | ||
1438 | printk(KERN_ERR "\nmegasas[%d]: Dumping Frame Phys Address of all pending cmds in FW\n",instance->host->host_no); | |
1439 | printk(KERN_ERR "megasas[%d]: Total OS Pending cmds : %d\n",instance->host->host_no,atomic_read(&instance->fw_outstanding)); | |
1440 | if (IS_DMA64) | |
1441 | printk(KERN_ERR "\nmegasas[%d]: 64 bit SGLs were sent to FW\n",instance->host->host_no); | |
1442 | else | |
1443 | printk(KERN_ERR "\nmegasas[%d]: 32 bit SGLs were sent to FW\n",instance->host->host_no); | |
1444 | ||
1445 | printk(KERN_ERR "megasas[%d]: Pending OS cmds in FW : \n",instance->host->host_no); | |
1446 | for (i = 0; i < max_cmd; i++) { | |
1447 | cmd = instance->cmd_list[i]; | |
1448 | if(!cmd->scmd) | |
1449 | continue; | |
1450 | printk(KERN_ERR "megasas[%d]: Frame addr :0x%08lx : ",instance->host->host_no,(unsigned long)cmd->frame_phys_addr); | |
1451 | if (megasas_is_ldio(cmd->scmd)){ | |
1452 | ldio = (struct megasas_io_frame *)cmd->frame; | |
1453 | mfi_sgl = &ldio->sgl; | |
1454 | sgcount = ldio->sge_count; | |
94cd65dd SS |
1455 | printk(KERN_ERR "megasas[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x," |
1456 | " lba lo : 0x%x, lba_hi : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n", | |
1457 | instance->host->host_no, cmd->frame_count, ldio->cmd, ldio->target_id, | |
1458 | le32_to_cpu(ldio->start_lba_lo), le32_to_cpu(ldio->start_lba_hi), | |
1459 | le32_to_cpu(ldio->sense_buf_phys_addr_lo), sgcount); | |
658dcedb SP |
1460 | } |
1461 | else { | |
1462 | pthru = (struct megasas_pthru_frame *) cmd->frame; | |
1463 | mfi_sgl = &pthru->sgl; | |
1464 | sgcount = pthru->sge_count; | |
94cd65dd SS |
1465 | printk(KERN_ERR "megasas[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x, " |
1466 | "lun : 0x%x, cdb_len : 0x%x, data xfer len : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n", | |
1467 | instance->host->host_no, cmd->frame_count, pthru->cmd, pthru->target_id, | |
1468 | pthru->lun, pthru->cdb_len, le32_to_cpu(pthru->data_xfer_len), | |
1469 | le32_to_cpu(pthru->sense_buf_phys_addr_lo), sgcount); | |
658dcedb SP |
1470 | } |
1471 | if(megasas_dbg_lvl & MEGASAS_DBG_LVL){ | |
1472 | for (n = 0; n < sgcount; n++){ | |
1473 | if (IS_DMA64) | |
94cd65dd SS |
1474 | printk(KERN_ERR "megasas: sgl len : 0x%x, sgl addr : 0x%llx ", |
1475 | le32_to_cpu(mfi_sgl->sge64[n].length), | |
1476 | le64_to_cpu(mfi_sgl->sge64[n].phys_addr)); | |
658dcedb | 1477 | else |
94cd65dd SS |
1478 | printk(KERN_ERR "megasas: sgl len : 0x%x, sgl addr : 0x%x ", |
1479 | le32_to_cpu(mfi_sgl->sge32[n].length), | |
1480 | le32_to_cpu(mfi_sgl->sge32[n].phys_addr)); | |
658dcedb SP |
1481 | } |
1482 | } | |
1483 | printk(KERN_ERR "\n"); | |
1484 | } /*for max_cmd*/ | |
1485 | printk(KERN_ERR "\nmegasas[%d]: Pending Internal cmds in FW : \n",instance->host->host_no); | |
1486 | for (i = 0; i < max_cmd; i++) { | |
1487 | ||
1488 | cmd = instance->cmd_list[i]; | |
1489 | ||
1490 | if(cmd->sync_cmd == 1){ | |
1491 | printk(KERN_ERR "0x%08lx : ", (unsigned long)cmd->frame_phys_addr); | |
1492 | } | |
1493 | } | |
1494 | printk(KERN_ERR "megasas[%d]: Dumping Done.\n\n",instance->host->host_no); | |
1495 | } | |
1496 | ||
cd50ba8e AR |
1497 | u32 |
1498 | megasas_build_and_issue_cmd(struct megasas_instance *instance, | |
1499 | struct scsi_cmnd *scmd) | |
1500 | { | |
1501 | struct megasas_cmd *cmd; | |
1502 | u32 frame_count; | |
1503 | ||
1504 | cmd = megasas_get_cmd(instance); | |
1505 | if (!cmd) | |
1506 | return SCSI_MLQUEUE_HOST_BUSY; | |
1507 | ||
1508 | /* | |
1509 | * Logical drive command | |
1510 | */ | |
1511 | if (megasas_is_ldio(scmd)) | |
1512 | frame_count = megasas_build_ldio(instance, scmd, cmd); | |
1513 | else | |
1514 | frame_count = megasas_build_dcdb(instance, scmd, cmd); | |
1515 | ||
1516 | if (!frame_count) | |
1517 | goto out_return_cmd; | |
1518 | ||
1519 | cmd->scmd = scmd; | |
1520 | scmd->SCp.ptr = (char *)cmd; | |
1521 | ||
1522 | /* | |
1523 | * Issue the command to the FW | |
1524 | */ | |
1525 | atomic_inc(&instance->fw_outstanding); | |
1526 | ||
1527 | instance->instancet->fire_cmd(instance, cmd->frame_phys_addr, | |
1528 | cmd->frame_count-1, instance->reg_set); | |
cd50ba8e AR |
1529 | |
1530 | return 0; | |
1531 | out_return_cmd: | |
1532 | megasas_return_cmd(instance, cmd); | |
1533 | return 1; | |
1534 | } | |
1535 | ||
1536 | ||
c4a3e0a5 BS |
1537 | /** |
1538 | * megasas_queue_command - Queue entry point | |
1539 | * @scmd: SCSI command to be queued | |
1540 | * @done: Callback entry point | |
1541 | */ | |
1542 | static int | |
fb1a24ff | 1543 | megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) |
c4a3e0a5 | 1544 | { |
c4a3e0a5 | 1545 | struct megasas_instance *instance; |
39a98554 | 1546 | unsigned long flags; |
c4a3e0a5 BS |
1547 | |
1548 | instance = (struct megasas_instance *) | |
1549 | scmd->device->host->hostdata; | |
af37acfb | 1550 | |
39a98554 | 1551 | if (instance->issuepend_done == 0) |
af37acfb SP |
1552 | return SCSI_MLQUEUE_HOST_BUSY; |
1553 | ||
39a98554 | 1554 | spin_lock_irqsave(&instance->hba_lock, flags); |
b09e66da | 1555 | |
229fe47c AR |
1556 | /* Check for an mpio path and adjust behavior */ |
1557 | if (instance->adprecovery == MEGASAS_ADPRESET_SM_INFAULT) { | |
1558 | if (megasas_check_mpio_paths(instance, scmd) == | |
1559 | (DID_RESET << 16)) { | |
1560 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
1561 | return SCSI_MLQUEUE_HOST_BUSY; | |
1562 | } else { | |
1563 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
1564 | scmd->result = DID_NO_CONNECT << 16; | |
fb1a24ff | 1565 | scmd->scsi_done(scmd); |
229fe47c AR |
1566 | return 0; |
1567 | } | |
1568 | } | |
1569 | ||
b09e66da SS |
1570 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { |
1571 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
229fe47c | 1572 | scmd->result = DID_NO_CONNECT << 16; |
fb1a24ff | 1573 | scmd->scsi_done(scmd); |
b09e66da SS |
1574 | return 0; |
1575 | } | |
1576 | ||
39a98554 | 1577 | if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { |
1578 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
1579 | return SCSI_MLQUEUE_HOST_BUSY; | |
1580 | } | |
1581 | ||
1582 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
1583 | ||
c4a3e0a5 BS |
1584 | scmd->result = 0; |
1585 | ||
cb59aa6a | 1586 | if (MEGASAS_IS_LOGICAL(scmd) && |
51087a86 SS |
1587 | (scmd->device->id >= instance->fw_supported_vd_count || |
1588 | scmd->device->lun)) { | |
cb59aa6a SP |
1589 | scmd->result = DID_BAD_TARGET << 16; |
1590 | goto out_done; | |
c4a3e0a5 BS |
1591 | } |
1592 | ||
02b01e01 SP |
1593 | switch (scmd->cmnd[0]) { |
1594 | case SYNCHRONIZE_CACHE: | |
1595 | /* | |
1596 | * FW takes care of flush cache on its own | |
1597 | * No need to send it down | |
1598 | */ | |
1599 | scmd->result = DID_OK << 16; | |
1600 | goto out_done; | |
1601 | default: | |
1602 | break; | |
1603 | } | |
1604 | ||
cd50ba8e AR |
1605 | if (instance->instancet->build_and_issue_cmd(instance, scmd)) { |
1606 | printk(KERN_ERR "megasas: Err returned from build_and_issue_cmd\n"); | |
cb59aa6a | 1607 | return SCSI_MLQUEUE_HOST_BUSY; |
cd50ba8e | 1608 | } |
c4a3e0a5 BS |
1609 | |
1610 | return 0; | |
cb59aa6a | 1611 | |
cb59aa6a | 1612 | out_done: |
fb1a24ff | 1613 | scmd->scsi_done(scmd); |
cb59aa6a | 1614 | return 0; |
c4a3e0a5 BS |
1615 | } |
1616 | ||
044833b5 YB |
1617 | static struct megasas_instance *megasas_lookup_instance(u16 host_no) |
1618 | { | |
1619 | int i; | |
1620 | ||
1621 | for (i = 0; i < megasas_mgmt_info.max_index; i++) { | |
1622 | ||
1623 | if ((megasas_mgmt_info.instance[i]) && | |
1624 | (megasas_mgmt_info.instance[i]->host->host_no == host_no)) | |
1625 | return megasas_mgmt_info.instance[i]; | |
1626 | } | |
1627 | ||
1628 | return NULL; | |
1629 | } | |
1630 | ||
147aab6a CH |
1631 | static int megasas_slave_configure(struct scsi_device *sdev) |
1632 | { | |
e5b3a65f | 1633 | /* |
044833b5 YB |
1634 | * The RAID firmware may require extended timeouts. |
1635 | */ | |
1636 | blk_queue_rq_timeout(sdev->request_queue, | |
1637 | MEGASAS_DEFAULT_CMD_TIMEOUT * HZ); | |
07e38d94 | 1638 | |
044833b5 YB |
1639 | return 0; |
1640 | } | |
1641 | ||
1642 | static int megasas_slave_alloc(struct scsi_device *sdev) | |
1643 | { | |
1644 | u16 pd_index = 0; | |
1645 | struct megasas_instance *instance ; | |
1646 | instance = megasas_lookup_instance(sdev->host->host_no); | |
07e38d94 | 1647 | if (sdev->channel < MEGASAS_MAX_PD_CHANNELS) { |
044833b5 YB |
1648 | /* |
1649 | * Open the OS scan to the SYSTEM PD | |
1650 | */ | |
1651 | pd_index = | |
1652 | (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + | |
1653 | sdev->id; | |
07e38d94 SS |
1654 | if (instance->pd_list[pd_index].driveState == |
1655 | MR_PD_STATE_SYSTEM) { | |
044833b5 YB |
1656 | return 0; |
1657 | } | |
1658 | return -ENXIO; | |
1659 | } | |
147aab6a CH |
1660 | return 0; |
1661 | } | |
1662 | ||
9c915a8c | 1663 | void megaraid_sas_kill_hba(struct megasas_instance *instance) |
39a98554 | 1664 | { |
1665 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || | |
9c915a8c | 1666 | (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || |
36807e67 | 1667 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || |
229fe47c | 1668 | (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) || |
21d3c710 SS |
1669 | (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
1670 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
9c915a8c | 1671 | writel(MFI_STOP_ADP, &instance->reg_set->doorbell); |
229fe47c AR |
1672 | /* Flush */ |
1673 | readl(&instance->reg_set->doorbell); | |
1674 | if (instance->mpio && instance->requestorId) | |
1675 | memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); | |
39a98554 | 1676 | } else { |
9c915a8c AR |
1677 | writel(MFI_STOP_ADP, &instance->reg_set->inbound_doorbell); |
1678 | } | |
1679 | } | |
1680 | ||
1681 | /** | |
1682 | * megasas_check_and_restore_queue_depth - Check if queue depth needs to be | |
1683 | * restored to max value | |
1684 | * @instance: Adapter soft state | |
1685 | * | |
1686 | */ | |
1687 | void | |
1688 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance) | |
1689 | { | |
1690 | unsigned long flags; | |
1691 | if (instance->flag & MEGASAS_FW_BUSY | |
c5daa6a9 AR |
1692 | && time_after(jiffies, instance->last_time + 5 * HZ) |
1693 | && atomic_read(&instance->fw_outstanding) < | |
1694 | instance->throttlequeuedepth + 1) { | |
9c915a8c AR |
1695 | |
1696 | spin_lock_irqsave(instance->host->host_lock, flags); | |
1697 | instance->flag &= ~MEGASAS_FW_BUSY; | |
404a8a1a | 1698 | if (instance->is_imr) { |
9c915a8c AR |
1699 | instance->host->can_queue = |
1700 | instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS; | |
1701 | } else | |
1702 | instance->host->can_queue = | |
1703 | instance->max_fw_cmds - MEGASAS_INT_CMDS; | |
1704 | ||
1705 | spin_unlock_irqrestore(instance->host->host_lock, flags); | |
39a98554 | 1706 | } |
1707 | } | |
1708 | ||
7343eb65 | 1709 | /** |
1710 | * megasas_complete_cmd_dpc - Returns FW's controller structure | |
1711 | * @instance_addr: Address of adapter soft state | |
1712 | * | |
1713 | * Tasklet to complete cmds | |
1714 | */ | |
1715 | static void megasas_complete_cmd_dpc(unsigned long instance_addr) | |
1716 | { | |
1717 | u32 producer; | |
1718 | u32 consumer; | |
1719 | u32 context; | |
1720 | struct megasas_cmd *cmd; | |
1721 | struct megasas_instance *instance = | |
1722 | (struct megasas_instance *)instance_addr; | |
1723 | unsigned long flags; | |
1724 | ||
1725 | /* If we have already declared adapter dead, donot complete cmds */ | |
39a98554 | 1726 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR ) |
7343eb65 | 1727 | return; |
1728 | ||
1729 | spin_lock_irqsave(&instance->completion_lock, flags); | |
1730 | ||
94cd65dd SS |
1731 | producer = le32_to_cpu(*instance->producer); |
1732 | consumer = le32_to_cpu(*instance->consumer); | |
7343eb65 | 1733 | |
1734 | while (consumer != producer) { | |
94cd65dd | 1735 | context = le32_to_cpu(instance->reply_queue[consumer]); |
39a98554 | 1736 | if (context >= instance->max_fw_cmds) { |
1737 | printk(KERN_ERR "Unexpected context value %x\n", | |
1738 | context); | |
1739 | BUG(); | |
1740 | } | |
7343eb65 | 1741 | |
1742 | cmd = instance->cmd_list[context]; | |
1743 | ||
1744 | megasas_complete_cmd(instance, cmd, DID_OK); | |
1745 | ||
1746 | consumer++; | |
1747 | if (consumer == (instance->max_fw_cmds + 1)) { | |
1748 | consumer = 0; | |
1749 | } | |
1750 | } | |
1751 | ||
94cd65dd | 1752 | *instance->consumer = cpu_to_le32(producer); |
7343eb65 | 1753 | |
1754 | spin_unlock_irqrestore(&instance->completion_lock, flags); | |
1755 | ||
1756 | /* | |
1757 | * Check if we can restore can_queue | |
1758 | */ | |
9c915a8c | 1759 | megasas_check_and_restore_queue_depth(instance); |
7343eb65 | 1760 | } |
1761 | ||
229fe47c AR |
1762 | /** |
1763 | * megasas_start_timer - Initializes a timer object | |
1764 | * @instance: Adapter soft state | |
1765 | * @timer: timer object to be initialized | |
1766 | * @fn: timer function | |
1767 | * @interval: time interval between timer function call | |
1768 | * | |
1769 | */ | |
1770 | void megasas_start_timer(struct megasas_instance *instance, | |
1771 | struct timer_list *timer, | |
1772 | void *fn, unsigned long interval) | |
1773 | { | |
1774 | init_timer(timer); | |
1775 | timer->expires = jiffies + interval; | |
1776 | timer->data = (unsigned long)instance; | |
1777 | timer->function = fn; | |
1778 | add_timer(timer); | |
1779 | } | |
1780 | ||
707e09bd YB |
1781 | static void |
1782 | megasas_internal_reset_defer_cmds(struct megasas_instance *instance); | |
1783 | ||
1784 | static void | |
1785 | process_fw_state_change_wq(struct work_struct *work); | |
1786 | ||
1787 | void megasas_do_ocr(struct megasas_instance *instance) | |
1788 | { | |
1789 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) || | |
1790 | (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) || | |
1791 | (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR)) { | |
94cd65dd | 1792 | *instance->consumer = cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); |
707e09bd | 1793 | } |
d46a3ad6 | 1794 | instance->instancet->disable_intr(instance); |
707e09bd YB |
1795 | instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; |
1796 | instance->issuepend_done = 0; | |
1797 | ||
1798 | atomic_set(&instance->fw_outstanding, 0); | |
1799 | megasas_internal_reset_defer_cmds(instance); | |
1800 | process_fw_state_change_wq(&instance->work_init); | |
1801 | } | |
1802 | ||
4cbfea88 AR |
1803 | static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance, |
1804 | int initial) | |
229fe47c AR |
1805 | { |
1806 | struct megasas_cmd *cmd; | |
1807 | struct megasas_dcmd_frame *dcmd; | |
229fe47c | 1808 | struct MR_LD_VF_AFFILIATION_111 *new_affiliation_111 = NULL; |
229fe47c AR |
1809 | dma_addr_t new_affiliation_111_h; |
1810 | int ld, retval = 0; | |
1811 | u8 thisVf; | |
1812 | ||
1813 | cmd = megasas_get_cmd(instance); | |
1814 | ||
1815 | if (!cmd) { | |
4cbfea88 AR |
1816 | printk(KERN_DEBUG "megasas: megasas_get_ld_vf_affiliation_111:" |
1817 | "Failed to get cmd for scsi%d.\n", | |
229fe47c AR |
1818 | instance->host->host_no); |
1819 | return -ENOMEM; | |
1820 | } | |
1821 | ||
1822 | dcmd = &cmd->frame->dcmd; | |
1823 | ||
4cbfea88 | 1824 | if (!instance->vf_affiliation_111) { |
229fe47c AR |
1825 | printk(KERN_WARNING "megasas: SR-IOV: Couldn't get LD/VF " |
1826 | "affiliation for scsi%d.\n", instance->host->host_no); | |
1827 | megasas_return_cmd(instance, cmd); | |
1828 | return -ENOMEM; | |
1829 | } | |
1830 | ||
1831 | if (initial) | |
229fe47c AR |
1832 | memset(instance->vf_affiliation_111, 0, |
1833 | sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
229fe47c | 1834 | else { |
4cbfea88 AR |
1835 | new_affiliation_111 = |
1836 | pci_alloc_consistent(instance->pdev, | |
1837 | sizeof(struct MR_LD_VF_AFFILIATION_111), | |
1838 | &new_affiliation_111_h); | |
1839 | if (!new_affiliation_111) { | |
229fe47c AR |
1840 | printk(KERN_DEBUG "megasas: SR-IOV: Couldn't allocate " |
1841 | "memory for new affiliation for scsi%d.\n", | |
4cbfea88 | 1842 | instance->host->host_no); |
229fe47c AR |
1843 | megasas_return_cmd(instance, cmd); |
1844 | return -ENOMEM; | |
1845 | } | |
4cbfea88 AR |
1846 | memset(new_affiliation_111, 0, |
1847 | sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
229fe47c AR |
1848 | } |
1849 | ||
1850 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
1851 | ||
1852 | dcmd->cmd = MFI_CMD_DCMD; | |
1853 | dcmd->cmd_status = 0xFF; | |
1854 | dcmd->sge_count = 1; | |
1855 | dcmd->flags = MFI_FRAME_DIR_BOTH; | |
1856 | dcmd->timeout = 0; | |
1857 | dcmd->pad_0 = 0; | |
4cbfea88 AR |
1858 | dcmd->data_xfer_len = sizeof(struct MR_LD_VF_AFFILIATION_111); |
1859 | dcmd->opcode = MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111; | |
229fe47c | 1860 | |
4cbfea88 AR |
1861 | if (initial) |
1862 | dcmd->sgl.sge32[0].phys_addr = | |
1863 | instance->vf_affiliation_111_h; | |
229fe47c | 1864 | else |
4cbfea88 AR |
1865 | dcmd->sgl.sge32[0].phys_addr = new_affiliation_111_h; |
1866 | ||
1867 | dcmd->sgl.sge32[0].length = | |
1868 | sizeof(struct MR_LD_VF_AFFILIATION_111); | |
229fe47c AR |
1869 | |
1870 | printk(KERN_WARNING "megasas: SR-IOV: Getting LD/VF affiliation for " | |
1871 | "scsi%d\n", instance->host->host_no); | |
1872 | ||
1873 | megasas_issue_blocked_cmd(instance, cmd, 0); | |
1874 | ||
1875 | if (dcmd->cmd_status) { | |
1876 | printk(KERN_WARNING "megasas: SR-IOV: LD/VF affiliation DCMD" | |
1877 | " failed with status 0x%x for scsi%d.\n", | |
1878 | dcmd->cmd_status, instance->host->host_no); | |
1879 | retval = 1; /* Do a scan if we couldn't get affiliation */ | |
1880 | goto out; | |
1881 | } | |
1882 | ||
1883 | if (!initial) { | |
4cbfea88 AR |
1884 | thisVf = new_affiliation_111->thisVf; |
1885 | for (ld = 0 ; ld < new_affiliation_111->vdCount; ld++) | |
1886 | if (instance->vf_affiliation_111->map[ld].policy[thisVf] != | |
1887 | new_affiliation_111->map[ld].policy[thisVf]) { | |
1888 | printk(KERN_WARNING "megasas: SR-IOV: " | |
1889 | "Got new LD/VF affiliation " | |
229fe47c | 1890 | "for scsi%d.\n", |
229fe47c | 1891 | instance->host->host_no); |
4cbfea88 AR |
1892 | memcpy(instance->vf_affiliation_111, |
1893 | new_affiliation_111, | |
1894 | sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
229fe47c AR |
1895 | retval = 1; |
1896 | goto out; | |
1897 | } | |
4cbfea88 AR |
1898 | } |
1899 | out: | |
1900 | if (new_affiliation_111) { | |
1901 | pci_free_consistent(instance->pdev, | |
1902 | sizeof(struct MR_LD_VF_AFFILIATION_111), | |
1903 | new_affiliation_111, | |
1904 | new_affiliation_111_h); | |
1905 | } | |
1906 | megasas_return_cmd(instance, cmd); | |
1907 | ||
1908 | return retval; | |
1909 | } | |
1910 | ||
1911 | static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance, | |
1912 | int initial) | |
1913 | { | |
1914 | struct megasas_cmd *cmd; | |
1915 | struct megasas_dcmd_frame *dcmd; | |
1916 | struct MR_LD_VF_AFFILIATION *new_affiliation = NULL; | |
1917 | struct MR_LD_VF_MAP *newmap = NULL, *savedmap = NULL; | |
1918 | dma_addr_t new_affiliation_h; | |
1919 | int i, j, retval = 0, found = 0, doscan = 0; | |
1920 | u8 thisVf; | |
1921 | ||
1922 | cmd = megasas_get_cmd(instance); | |
1923 | ||
1924 | if (!cmd) { | |
1925 | printk(KERN_DEBUG "megasas: megasas_get_ld_vf_affiliation12: " | |
1926 | "Failed to get cmd for scsi%d.\n", | |
1927 | instance->host->host_no); | |
1928 | return -ENOMEM; | |
1929 | } | |
1930 | ||
1931 | dcmd = &cmd->frame->dcmd; | |
1932 | ||
1933 | if (!instance->vf_affiliation) { | |
1934 | printk(KERN_WARNING "megasas: SR-IOV: Couldn't get LD/VF " | |
1935 | "affiliation for scsi%d.\n", instance->host->host_no); | |
1936 | megasas_return_cmd(instance, cmd); | |
1937 | return -ENOMEM; | |
1938 | } | |
1939 | ||
1940 | if (initial) | |
1941 | memset(instance->vf_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * | |
1942 | sizeof(struct MR_LD_VF_AFFILIATION)); | |
1943 | else { | |
1944 | new_affiliation = | |
1945 | pci_alloc_consistent(instance->pdev, | |
1946 | (MAX_LOGICAL_DRIVES + 1) * | |
1947 | sizeof(struct MR_LD_VF_AFFILIATION), | |
1948 | &new_affiliation_h); | |
1949 | if (!new_affiliation) { | |
1950 | printk(KERN_DEBUG "megasas: SR-IOV: Couldn't allocate " | |
1951 | "memory for new affiliation for scsi%d.\n", | |
1952 | instance->host->host_no); | |
1953 | megasas_return_cmd(instance, cmd); | |
1954 | return -ENOMEM; | |
1955 | } | |
1956 | memset(new_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * | |
1957 | sizeof(struct MR_LD_VF_AFFILIATION)); | |
1958 | } | |
1959 | ||
1960 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
1961 | ||
1962 | dcmd->cmd = MFI_CMD_DCMD; | |
1963 | dcmd->cmd_status = 0xFF; | |
1964 | dcmd->sge_count = 1; | |
1965 | dcmd->flags = MFI_FRAME_DIR_BOTH; | |
1966 | dcmd->timeout = 0; | |
1967 | dcmd->pad_0 = 0; | |
1968 | dcmd->data_xfer_len = (MAX_LOGICAL_DRIVES + 1) * | |
1969 | sizeof(struct MR_LD_VF_AFFILIATION); | |
1970 | dcmd->opcode = MR_DCMD_LD_VF_MAP_GET_ALL_LDS; | |
1971 | ||
1972 | if (initial) | |
1973 | dcmd->sgl.sge32[0].phys_addr = instance->vf_affiliation_h; | |
1974 | else | |
1975 | dcmd->sgl.sge32[0].phys_addr = new_affiliation_h; | |
1976 | ||
1977 | dcmd->sgl.sge32[0].length = (MAX_LOGICAL_DRIVES + 1) * | |
1978 | sizeof(struct MR_LD_VF_AFFILIATION); | |
1979 | ||
1980 | printk(KERN_WARNING "megasas: SR-IOV: Getting LD/VF affiliation for " | |
1981 | "scsi%d\n", instance->host->host_no); | |
1982 | ||
1983 | megasas_issue_blocked_cmd(instance, cmd, 0); | |
1984 | ||
1985 | if (dcmd->cmd_status) { | |
1986 | printk(KERN_WARNING "megasas: SR-IOV: LD/VF affiliation DCMD" | |
1987 | " failed with status 0x%x for scsi%d.\n", | |
1988 | dcmd->cmd_status, instance->host->host_no); | |
1989 | retval = 1; /* Do a scan if we couldn't get affiliation */ | |
1990 | goto out; | |
1991 | } | |
1992 | ||
1993 | if (!initial) { | |
1994 | if (!new_affiliation->ldCount) { | |
1995 | printk(KERN_WARNING "megasas: SR-IOV: Got new LD/VF " | |
1996 | "affiliation for passive path for scsi%d.\n", | |
1997 | instance->host->host_no); | |
1998 | retval = 1; | |
1999 | goto out; | |
2000 | } | |
2001 | newmap = new_affiliation->map; | |
2002 | savedmap = instance->vf_affiliation->map; | |
2003 | thisVf = new_affiliation->thisVf; | |
2004 | for (i = 0 ; i < new_affiliation->ldCount; i++) { | |
2005 | found = 0; | |
2006 | for (j = 0; j < instance->vf_affiliation->ldCount; | |
2007 | j++) { | |
2008 | if (newmap->ref.targetId == | |
2009 | savedmap->ref.targetId) { | |
2010 | found = 1; | |
2011 | if (newmap->policy[thisVf] != | |
2012 | savedmap->policy[thisVf]) { | |
2013 | doscan = 1; | |
2014 | goto out; | |
2015 | } | |
229fe47c AR |
2016 | } |
2017 | savedmap = (struct MR_LD_VF_MAP *) | |
2018 | ((unsigned char *)savedmap + | |
2019 | savedmap->size); | |
4cbfea88 AR |
2020 | } |
2021 | if (!found && newmap->policy[thisVf] != | |
2022 | MR_LD_ACCESS_HIDDEN) { | |
2023 | doscan = 1; | |
2024 | goto out; | |
2025 | } | |
2026 | newmap = (struct MR_LD_VF_MAP *) | |
2027 | ((unsigned char *)newmap + newmap->size); | |
2028 | } | |
2029 | ||
2030 | newmap = new_affiliation->map; | |
2031 | savedmap = instance->vf_affiliation->map; | |
2032 | ||
2033 | for (i = 0 ; i < instance->vf_affiliation->ldCount; i++) { | |
2034 | found = 0; | |
2035 | for (j = 0 ; j < new_affiliation->ldCount; j++) { | |
2036 | if (savedmap->ref.targetId == | |
2037 | newmap->ref.targetId) { | |
2038 | found = 1; | |
2039 | if (savedmap->policy[thisVf] != | |
2040 | newmap->policy[thisVf]) { | |
2041 | doscan = 1; | |
2042 | goto out; | |
2043 | } | |
2044 | } | |
229fe47c AR |
2045 | newmap = (struct MR_LD_VF_MAP *) |
2046 | ((unsigned char *)newmap + | |
2047 | newmap->size); | |
2048 | } | |
4cbfea88 AR |
2049 | if (!found && savedmap->policy[thisVf] != |
2050 | MR_LD_ACCESS_HIDDEN) { | |
2051 | doscan = 1; | |
2052 | goto out; | |
2053 | } | |
2054 | savedmap = (struct MR_LD_VF_MAP *) | |
2055 | ((unsigned char *)savedmap + | |
2056 | savedmap->size); | |
229fe47c AR |
2057 | } |
2058 | } | |
2059 | out: | |
4cbfea88 AR |
2060 | if (doscan) { |
2061 | printk(KERN_WARNING "megasas: SR-IOV: Got new LD/VF " | |
2062 | "affiliation for scsi%d.\n", instance->host->host_no); | |
2063 | memcpy(instance->vf_affiliation, new_affiliation, | |
2064 | new_affiliation->size); | |
2065 | retval = 1; | |
229fe47c | 2066 | } |
4cbfea88 AR |
2067 | |
2068 | if (new_affiliation) | |
2069 | pci_free_consistent(instance->pdev, | |
2070 | (MAX_LOGICAL_DRIVES + 1) * | |
2071 | sizeof(struct MR_LD_VF_AFFILIATION), | |
2072 | new_affiliation, new_affiliation_h); | |
229fe47c AR |
2073 | megasas_return_cmd(instance, cmd); |
2074 | ||
2075 | return retval; | |
2076 | } | |
2077 | ||
4cbfea88 AR |
2078 | /* This function will get the current SR-IOV LD/VF affiliation */ |
2079 | static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, | |
2080 | int initial) | |
2081 | { | |
2082 | int retval; | |
2083 | ||
2084 | if (instance->PlasmaFW111) | |
2085 | retval = megasas_get_ld_vf_affiliation_111(instance, initial); | |
2086 | else | |
2087 | retval = megasas_get_ld_vf_affiliation_12(instance, initial); | |
2088 | return retval; | |
2089 | } | |
2090 | ||
229fe47c AR |
2091 | /* This function will tell FW to start the SR-IOV heartbeat */ |
2092 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, | |
2093 | int initial) | |
2094 | { | |
2095 | struct megasas_cmd *cmd; | |
2096 | struct megasas_dcmd_frame *dcmd; | |
2097 | int retval = 0; | |
2098 | ||
2099 | cmd = megasas_get_cmd(instance); | |
2100 | ||
2101 | if (!cmd) { | |
2102 | printk(KERN_DEBUG "megasas: megasas_sriov_start_heartbeat: " | |
2103 | "Failed to get cmd for scsi%d.\n", | |
2104 | instance->host->host_no); | |
2105 | return -ENOMEM; | |
2106 | } | |
2107 | ||
2108 | dcmd = &cmd->frame->dcmd; | |
2109 | ||
2110 | if (initial) { | |
2111 | instance->hb_host_mem = | |
7c845eb5 JP |
2112 | pci_zalloc_consistent(instance->pdev, |
2113 | sizeof(struct MR_CTRL_HB_HOST_MEM), | |
2114 | &instance->hb_host_mem_h); | |
229fe47c AR |
2115 | if (!instance->hb_host_mem) { |
2116 | printk(KERN_DEBUG "megasas: SR-IOV: Couldn't allocate" | |
2117 | " memory for heartbeat host memory for " | |
2118 | "scsi%d.\n", instance->host->host_no); | |
2119 | retval = -ENOMEM; | |
2120 | goto out; | |
2121 | } | |
229fe47c AR |
2122 | } |
2123 | ||
2124 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
2125 | ||
2126 | dcmd->mbox.s[0] = sizeof(struct MR_CTRL_HB_HOST_MEM); | |
2127 | dcmd->cmd = MFI_CMD_DCMD; | |
2128 | dcmd->cmd_status = 0xFF; | |
2129 | dcmd->sge_count = 1; | |
2130 | dcmd->flags = MFI_FRAME_DIR_BOTH; | |
2131 | dcmd->timeout = 0; | |
2132 | dcmd->pad_0 = 0; | |
2133 | dcmd->data_xfer_len = sizeof(struct MR_CTRL_HB_HOST_MEM); | |
2134 | dcmd->opcode = MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC; | |
2135 | dcmd->sgl.sge32[0].phys_addr = instance->hb_host_mem_h; | |
2136 | dcmd->sgl.sge32[0].length = sizeof(struct MR_CTRL_HB_HOST_MEM); | |
2137 | ||
2138 | printk(KERN_WARNING "megasas: SR-IOV: Starting heartbeat for scsi%d\n", | |
2139 | instance->host->host_no); | |
2140 | ||
2141 | if (!megasas_issue_polled(instance, cmd)) { | |
2142 | retval = 0; | |
2143 | } else { | |
2144 | printk(KERN_WARNING "megasas: SR-IOV: MR_DCMD_CTRL_SHARED_HOST" | |
2145 | "_MEM_ALLOC DCMD timed out for scsi%d\n", | |
2146 | instance->host->host_no); | |
2147 | retval = 1; | |
2148 | goto out; | |
2149 | } | |
2150 | ||
2151 | ||
2152 | if (dcmd->cmd_status) { | |
2153 | printk(KERN_WARNING "megasas: SR-IOV: MR_DCMD_CTRL_SHARED_HOST" | |
2154 | "_MEM_ALLOC DCMD failed with status 0x%x for scsi%d\n", | |
2155 | dcmd->cmd_status, | |
2156 | instance->host->host_no); | |
2157 | retval = 1; | |
2158 | goto out; | |
2159 | } | |
2160 | ||
2161 | out: | |
2162 | megasas_return_cmd(instance, cmd); | |
2163 | ||
2164 | return retval; | |
2165 | } | |
2166 | ||
2167 | /* Handler for SR-IOV heartbeat */ | |
2168 | void megasas_sriov_heartbeat_handler(unsigned long instance_addr) | |
2169 | { | |
2170 | struct megasas_instance *instance = | |
2171 | (struct megasas_instance *)instance_addr; | |
2172 | ||
2173 | if (instance->hb_host_mem->HB.fwCounter != | |
2174 | instance->hb_host_mem->HB.driverCounter) { | |
2175 | instance->hb_host_mem->HB.driverCounter = | |
2176 | instance->hb_host_mem->HB.fwCounter; | |
2177 | mod_timer(&instance->sriov_heartbeat_timer, | |
2178 | jiffies + MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
2179 | } else { | |
2180 | printk(KERN_WARNING "megasas: SR-IOV: Heartbeat never " | |
2181 | "completed for scsi%d\n", instance->host->host_no); | |
2182 | schedule_work(&instance->work_init); | |
2183 | } | |
2184 | } | |
2185 | ||
c4a3e0a5 BS |
2186 | /** |
2187 | * megasas_wait_for_outstanding - Wait for all outstanding cmds | |
2188 | * @instance: Adapter soft state | |
2189 | * | |
25985edc | 2190 | * This function waits for up to MEGASAS_RESET_WAIT_TIME seconds for FW to |
c4a3e0a5 BS |
2191 | * complete all its outstanding commands. Returns error if one or more IOs |
2192 | * are pending after this time period. It also marks the controller dead. | |
2193 | */ | |
2194 | static int megasas_wait_for_outstanding(struct megasas_instance *instance) | |
2195 | { | |
2196 | int i; | |
39a98554 | 2197 | u32 reset_index; |
c4a3e0a5 | 2198 | u32 wait_time = MEGASAS_RESET_WAIT_TIME; |
39a98554 | 2199 | u8 adprecovery; |
2200 | unsigned long flags; | |
2201 | struct list_head clist_local; | |
2202 | struct megasas_cmd *reset_cmd; | |
707e09bd YB |
2203 | u32 fw_state; |
2204 | u8 kill_adapter_flag; | |
39a98554 | 2205 | |
2206 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2207 | adprecovery = instance->adprecovery; | |
2208 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2209 | ||
2210 | if (adprecovery != MEGASAS_HBA_OPERATIONAL) { | |
2211 | ||
2212 | INIT_LIST_HEAD(&clist_local); | |
2213 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2214 | list_splice_init(&instance->internal_reset_pending_q, | |
2215 | &clist_local); | |
2216 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2217 | ||
2218 | printk(KERN_NOTICE "megasas: HBA reset wait ...\n"); | |
2219 | for (i = 0; i < wait_time; i++) { | |
2220 | msleep(1000); | |
2221 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2222 | adprecovery = instance->adprecovery; | |
2223 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2224 | if (adprecovery == MEGASAS_HBA_OPERATIONAL) | |
2225 | break; | |
2226 | } | |
2227 | ||
2228 | if (adprecovery != MEGASAS_HBA_OPERATIONAL) { | |
2229 | printk(KERN_NOTICE "megasas: reset: Stopping HBA.\n"); | |
2230 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2231 | instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; | |
2232 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2233 | return FAILED; | |
2234 | } | |
2235 | ||
2236 | reset_index = 0; | |
2237 | while (!list_empty(&clist_local)) { | |
2238 | reset_cmd = list_entry((&clist_local)->next, | |
2239 | struct megasas_cmd, list); | |
2240 | list_del_init(&reset_cmd->list); | |
2241 | if (reset_cmd->scmd) { | |
2242 | reset_cmd->scmd->result = DID_RESET << 16; | |
5cd049a5 | 2243 | printk(KERN_NOTICE "%d:%p reset [%02x]\n", |
39a98554 | 2244 | reset_index, reset_cmd, |
5cd049a5 | 2245 | reset_cmd->scmd->cmnd[0]); |
39a98554 | 2246 | |
2247 | reset_cmd->scmd->scsi_done(reset_cmd->scmd); | |
2248 | megasas_return_cmd(instance, reset_cmd); | |
2249 | } else if (reset_cmd->sync_cmd) { | |
2250 | printk(KERN_NOTICE "megasas:%p synch cmds" | |
2251 | "reset queue\n", | |
2252 | reset_cmd); | |
2253 | ||
2254 | reset_cmd->cmd_status = ENODATA; | |
2255 | instance->instancet->fire_cmd(instance, | |
2256 | reset_cmd->frame_phys_addr, | |
2257 | 0, instance->reg_set); | |
2258 | } else { | |
2259 | printk(KERN_NOTICE "megasas: %p unexpected" | |
2260 | "cmds lst\n", | |
2261 | reset_cmd); | |
2262 | } | |
2263 | reset_index++; | |
2264 | } | |
2265 | ||
2266 | return SUCCESS; | |
2267 | } | |
c4a3e0a5 | 2268 | |
c007b8b2 | 2269 | for (i = 0; i < resetwaittime; i++) { |
c4a3e0a5 | 2270 | |
e4a082c7 SP |
2271 | int outstanding = atomic_read(&instance->fw_outstanding); |
2272 | ||
2273 | if (!outstanding) | |
c4a3e0a5 BS |
2274 | break; |
2275 | ||
2276 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
2277 | printk(KERN_NOTICE "megasas: [%2d]waiting for %d " | |
e4a082c7 | 2278 | "commands to complete\n",i,outstanding); |
7343eb65 | 2279 | /* |
2280 | * Call cmd completion routine. Cmd to be | |
2281 | * be completed directly without depending on isr. | |
2282 | */ | |
2283 | megasas_complete_cmd_dpc((unsigned long)instance); | |
c4a3e0a5 BS |
2284 | } |
2285 | ||
2286 | msleep(1000); | |
2287 | } | |
2288 | ||
707e09bd YB |
2289 | i = 0; |
2290 | kill_adapter_flag = 0; | |
2291 | do { | |
2292 | fw_state = instance->instancet->read_fw_status_reg( | |
2293 | instance->reg_set) & MFI_STATE_MASK; | |
2294 | if ((fw_state == MFI_STATE_FAULT) && | |
2295 | (instance->disableOnlineCtrlReset == 0)) { | |
2296 | if (i == 3) { | |
2297 | kill_adapter_flag = 2; | |
2298 | break; | |
2299 | } | |
2300 | megasas_do_ocr(instance); | |
2301 | kill_adapter_flag = 1; | |
2302 | ||
2303 | /* wait for 1 secs to let FW finish the pending cmds */ | |
2304 | msleep(1000); | |
2305 | } | |
2306 | i++; | |
2307 | } while (i <= 3); | |
2308 | ||
2309 | if (atomic_read(&instance->fw_outstanding) && | |
2310 | !kill_adapter_flag) { | |
2311 | if (instance->disableOnlineCtrlReset == 0) { | |
2312 | ||
2313 | megasas_do_ocr(instance); | |
2314 | ||
2315 | /* wait for 5 secs to let FW finish the pending cmds */ | |
2316 | for (i = 0; i < wait_time; i++) { | |
2317 | int outstanding = | |
2318 | atomic_read(&instance->fw_outstanding); | |
2319 | if (!outstanding) | |
2320 | return SUCCESS; | |
2321 | msleep(1000); | |
2322 | } | |
2323 | } | |
2324 | } | |
2325 | ||
2326 | if (atomic_read(&instance->fw_outstanding) || | |
2327 | (kill_adapter_flag == 2)) { | |
39a98554 | 2328 | printk(KERN_NOTICE "megaraid_sas: pending cmds after reset\n"); |
e3bbff9f SP |
2329 | /* |
2330 | * Send signal to FW to stop processing any pending cmds. | |
2331 | * The controller will be taken offline by the OS now. | |
2332 | */ | |
0c79e681 YB |
2333 | if ((instance->pdev->device == |
2334 | PCI_DEVICE_ID_LSI_SAS0073SKINNY) || | |
2335 | (instance->pdev->device == | |
2336 | PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { | |
2337 | writel(MFI_STOP_ADP, | |
9c915a8c | 2338 | &instance->reg_set->doorbell); |
0c79e681 YB |
2339 | } else { |
2340 | writel(MFI_STOP_ADP, | |
e3bbff9f | 2341 | &instance->reg_set->inbound_doorbell); |
0c79e681 | 2342 | } |
658dcedb | 2343 | megasas_dump_pending_frames(instance); |
39a98554 | 2344 | spin_lock_irqsave(&instance->hba_lock, flags); |
2345 | instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; | |
2346 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
c4a3e0a5 BS |
2347 | return FAILED; |
2348 | } | |
2349 | ||
39a98554 | 2350 | printk(KERN_NOTICE "megaraid_sas: no pending cmds after reset\n"); |
2351 | ||
c4a3e0a5 BS |
2352 | return SUCCESS; |
2353 | } | |
2354 | ||
2355 | /** | |
2356 | * megasas_generic_reset - Generic reset routine | |
2357 | * @scmd: Mid-layer SCSI command | |
2358 | * | |
2359 | * This routine implements a generic reset handler for device, bus and host | |
2360 | * reset requests. Device, bus and host specific reset handlers can use this | |
2361 | * function after they do their specific tasks. | |
2362 | */ | |
2363 | static int megasas_generic_reset(struct scsi_cmnd *scmd) | |
2364 | { | |
2365 | int ret_val; | |
2366 | struct megasas_instance *instance; | |
2367 | ||
2368 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
2369 | ||
5cd049a5 CH |
2370 | scmd_printk(KERN_NOTICE, scmd, "megasas: RESET cmd=%x retries=%x\n", |
2371 | scmd->cmnd[0], scmd->retries); | |
c4a3e0a5 | 2372 | |
39a98554 | 2373 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { |
c4a3e0a5 BS |
2374 | printk(KERN_ERR "megasas: cannot recover from previous reset " |
2375 | "failures\n"); | |
2376 | return FAILED; | |
2377 | } | |
2378 | ||
c4a3e0a5 | 2379 | ret_val = megasas_wait_for_outstanding(instance); |
c4a3e0a5 BS |
2380 | if (ret_val == SUCCESS) |
2381 | printk(KERN_NOTICE "megasas: reset successful \n"); | |
2382 | else | |
2383 | printk(KERN_ERR "megasas: failed to do reset\n"); | |
2384 | ||
c4a3e0a5 BS |
2385 | return ret_val; |
2386 | } | |
2387 | ||
05e9ebbe SP |
2388 | /** |
2389 | * megasas_reset_timer - quiesce the adapter if required | |
2390 | * @scmd: scsi cmnd | |
2391 | * | |
2392 | * Sets the FW busy flag and reduces the host->can_queue if the | |
2393 | * cmd has not been completed within the timeout period. | |
2394 | */ | |
2395 | static enum | |
242f9dcb | 2396 | blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) |
05e9ebbe | 2397 | { |
05e9ebbe SP |
2398 | struct megasas_instance *instance; |
2399 | unsigned long flags; | |
2400 | ||
2401 | if (time_after(jiffies, scmd->jiffies_at_alloc + | |
2402 | (MEGASAS_DEFAULT_CMD_TIMEOUT * 2) * HZ)) { | |
242f9dcb | 2403 | return BLK_EH_NOT_HANDLED; |
05e9ebbe SP |
2404 | } |
2405 | ||
f575c5d3 | 2406 | instance = (struct megasas_instance *)scmd->device->host->hostdata; |
05e9ebbe SP |
2407 | if (!(instance->flag & MEGASAS_FW_BUSY)) { |
2408 | /* FW is busy, throttle IO */ | |
2409 | spin_lock_irqsave(instance->host->host_lock, flags); | |
2410 | ||
c5daa6a9 | 2411 | instance->host->can_queue = instance->throttlequeuedepth; |
05e9ebbe SP |
2412 | instance->last_time = jiffies; |
2413 | instance->flag |= MEGASAS_FW_BUSY; | |
2414 | ||
2415 | spin_unlock_irqrestore(instance->host->host_lock, flags); | |
2416 | } | |
242f9dcb | 2417 | return BLK_EH_RESET_TIMER; |
05e9ebbe SP |
2418 | } |
2419 | ||
c4a3e0a5 BS |
2420 | /** |
2421 | * megasas_reset_device - Device reset handler entry point | |
2422 | */ | |
2423 | static int megasas_reset_device(struct scsi_cmnd *scmd) | |
2424 | { | |
2425 | int ret; | |
2426 | ||
2427 | /* | |
2428 | * First wait for all commands to complete | |
2429 | */ | |
2430 | ret = megasas_generic_reset(scmd); | |
2431 | ||
2432 | return ret; | |
2433 | } | |
2434 | ||
2435 | /** | |
2436 | * megasas_reset_bus_host - Bus & host reset handler entry point | |
2437 | */ | |
2438 | static int megasas_reset_bus_host(struct scsi_cmnd *scmd) | |
2439 | { | |
2440 | int ret; | |
9c915a8c AR |
2441 | struct megasas_instance *instance; |
2442 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
c4a3e0a5 BS |
2443 | |
2444 | /* | |
80682fa9 | 2445 | * First wait for all commands to complete |
c4a3e0a5 | 2446 | */ |
36807e67 | 2447 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || |
229fe47c | 2448 | (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) || |
21d3c710 SS |
2449 | (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
2450 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) | |
229fe47c | 2451 | ret = megasas_reset_fusion(scmd->device->host, 1); |
9c915a8c AR |
2452 | else |
2453 | ret = megasas_generic_reset(scmd); | |
c4a3e0a5 BS |
2454 | |
2455 | return ret; | |
2456 | } | |
2457 | ||
cf62a0a5 SP |
2458 | /** |
2459 | * megasas_bios_param - Returns disk geometry for a disk | |
2460 | * @sdev: device handle | |
2461 | * @bdev: block device | |
2462 | * @capacity: drive capacity | |
2463 | * @geom: geometry parameters | |
2464 | */ | |
2465 | static int | |
2466 | megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev, | |
2467 | sector_t capacity, int geom[]) | |
2468 | { | |
2469 | int heads; | |
2470 | int sectors; | |
2471 | sector_t cylinders; | |
2472 | unsigned long tmp; | |
2473 | /* Default heads (64) & sectors (32) */ | |
2474 | heads = 64; | |
2475 | sectors = 32; | |
2476 | ||
2477 | tmp = heads * sectors; | |
2478 | cylinders = capacity; | |
2479 | ||
2480 | sector_div(cylinders, tmp); | |
2481 | ||
2482 | /* | |
2483 | * Handle extended translation size for logical drives > 1Gb | |
2484 | */ | |
2485 | ||
2486 | if (capacity >= 0x200000) { | |
2487 | heads = 255; | |
2488 | sectors = 63; | |
2489 | tmp = heads*sectors; | |
2490 | cylinders = capacity; | |
2491 | sector_div(cylinders, tmp); | |
2492 | } | |
2493 | ||
2494 | geom[0] = heads; | |
2495 | geom[1] = sectors; | |
2496 | geom[2] = cylinders; | |
2497 | ||
2498 | return 0; | |
2499 | } | |
2500 | ||
7e8a75f4 YB |
2501 | static void megasas_aen_polling(struct work_struct *work); |
2502 | ||
c4a3e0a5 BS |
2503 | /** |
2504 | * megasas_service_aen - Processes an event notification | |
2505 | * @instance: Adapter soft state | |
2506 | * @cmd: AEN command completed by the ISR | |
2507 | * | |
2508 | * For AEN, driver sends a command down to FW that is held by the FW till an | |
2509 | * event occurs. When an event of interest occurs, FW completes the command | |
2510 | * that it was previously holding. | |
2511 | * | |
2512 | * This routines sends SIGIO signal to processes that have registered with the | |
2513 | * driver for AEN. | |
2514 | */ | |
2515 | static void | |
2516 | megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
2517 | { | |
c3518837 | 2518 | unsigned long flags; |
c4a3e0a5 BS |
2519 | /* |
2520 | * Don't signal app if it is just an aborted previously registered aen | |
2521 | */ | |
c3518837 YB |
2522 | if ((!cmd->abort_aen) && (instance->unload == 0)) { |
2523 | spin_lock_irqsave(&poll_aen_lock, flags); | |
2524 | megasas_poll_wait_aen = 1; | |
2525 | spin_unlock_irqrestore(&poll_aen_lock, flags); | |
2526 | wake_up(&megasas_poll_wait); | |
c4a3e0a5 | 2527 | kill_fasync(&megasas_async_queue, SIGIO, POLL_IN); |
c3518837 | 2528 | } |
c4a3e0a5 BS |
2529 | else |
2530 | cmd->abort_aen = 0; | |
2531 | ||
2532 | instance->aen_cmd = NULL; | |
2533 | megasas_return_cmd(instance, cmd); | |
7e8a75f4 | 2534 | |
39a98554 | 2535 | if ((instance->unload == 0) && |
2536 | ((instance->issuepend_done == 1))) { | |
7e8a75f4 YB |
2537 | struct megasas_aen_event *ev; |
2538 | ev = kzalloc(sizeof(*ev), GFP_ATOMIC); | |
2539 | if (!ev) { | |
2540 | printk(KERN_ERR "megasas_service_aen: out of memory\n"); | |
2541 | } else { | |
2542 | ev->instance = instance; | |
2543 | instance->ev = ev; | |
c1d390d8 XF |
2544 | INIT_DELAYED_WORK(&ev->hotplug_work, |
2545 | megasas_aen_polling); | |
2546 | schedule_delayed_work(&ev->hotplug_work, 0); | |
7e8a75f4 YB |
2547 | } |
2548 | } | |
c4a3e0a5 BS |
2549 | } |
2550 | ||
4bcde509 AR |
2551 | static int megasas_change_queue_depth(struct scsi_device *sdev, |
2552 | int queue_depth, int reason) | |
2553 | { | |
2554 | if (reason != SCSI_QDEPTH_DEFAULT) | |
2555 | return -EOPNOTSUPP; | |
2556 | ||
2557 | if (queue_depth > sdev->host->can_queue) | |
2558 | queue_depth = sdev->host->can_queue; | |
2559 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), | |
2560 | queue_depth); | |
2561 | ||
2562 | return queue_depth; | |
2563 | } | |
2564 | ||
fc62b3fc SS |
2565 | static ssize_t |
2566 | megasas_fw_crash_buffer_store(struct device *cdev, | |
2567 | struct device_attribute *attr, const char *buf, size_t count) | |
2568 | { | |
2569 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2570 | struct megasas_instance *instance = | |
2571 | (struct megasas_instance *) shost->hostdata; | |
2572 | int val = 0; | |
2573 | unsigned long flags; | |
2574 | ||
2575 | if (kstrtoint(buf, 0, &val) != 0) | |
2576 | return -EINVAL; | |
2577 | ||
2578 | spin_lock_irqsave(&instance->crashdump_lock, flags); | |
2579 | instance->fw_crash_buffer_offset = val; | |
2580 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2581 | return strlen(buf); | |
2582 | } | |
2583 | ||
2584 | static ssize_t | |
2585 | megasas_fw_crash_buffer_show(struct device *cdev, | |
2586 | struct device_attribute *attr, char *buf) | |
2587 | { | |
2588 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2589 | struct megasas_instance *instance = | |
2590 | (struct megasas_instance *) shost->hostdata; | |
2591 | u32 size; | |
2592 | unsigned long buff_addr; | |
2593 | unsigned long dmachunk = CRASH_DMA_BUF_SIZE; | |
2594 | unsigned long src_addr; | |
2595 | unsigned long flags; | |
2596 | u32 buff_offset; | |
2597 | ||
2598 | spin_lock_irqsave(&instance->crashdump_lock, flags); | |
2599 | buff_offset = instance->fw_crash_buffer_offset; | |
2600 | if (!instance->crash_dump_buf && | |
2601 | !((instance->fw_crash_state == AVAILABLE) || | |
2602 | (instance->fw_crash_state == COPYING))) { | |
2603 | dev_err(&instance->pdev->dev, | |
2604 | "Firmware crash dump is not available\n"); | |
2605 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2606 | return -EINVAL; | |
2607 | } | |
2608 | ||
2609 | buff_addr = (unsigned long) buf; | |
2610 | ||
2611 | if (buff_offset > | |
2612 | (instance->fw_crash_buffer_size * dmachunk)) { | |
2613 | dev_err(&instance->pdev->dev, | |
2614 | "Firmware crash dump offset is out of range\n"); | |
2615 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2616 | return 0; | |
2617 | } | |
2618 | ||
2619 | size = (instance->fw_crash_buffer_size * dmachunk) - buff_offset; | |
2620 | size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size; | |
2621 | ||
2622 | src_addr = (unsigned long)instance->crash_buf[buff_offset / dmachunk] + | |
2623 | (buff_offset % dmachunk); | |
2624 | memcpy(buf, (void *)src_addr, size); | |
2625 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2626 | ||
2627 | return size; | |
2628 | } | |
2629 | ||
2630 | static ssize_t | |
2631 | megasas_fw_crash_buffer_size_show(struct device *cdev, | |
2632 | struct device_attribute *attr, char *buf) | |
2633 | { | |
2634 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2635 | struct megasas_instance *instance = | |
2636 | (struct megasas_instance *) shost->hostdata; | |
2637 | ||
2638 | return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long) | |
2639 | ((instance->fw_crash_buffer_size) * 1024 * 1024)/PAGE_SIZE); | |
2640 | } | |
2641 | ||
2642 | static ssize_t | |
2643 | megasas_fw_crash_state_store(struct device *cdev, | |
2644 | struct device_attribute *attr, const char *buf, size_t count) | |
2645 | { | |
2646 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2647 | struct megasas_instance *instance = | |
2648 | (struct megasas_instance *) shost->hostdata; | |
2649 | int val = 0; | |
2650 | unsigned long flags; | |
2651 | ||
2652 | if (kstrtoint(buf, 0, &val) != 0) | |
2653 | return -EINVAL; | |
2654 | ||
2655 | if ((val <= AVAILABLE || val > COPY_ERROR)) { | |
2656 | dev_err(&instance->pdev->dev, "application updates invalid " | |
2657 | "firmware crash state\n"); | |
2658 | return -EINVAL; | |
2659 | } | |
2660 | ||
2661 | instance->fw_crash_state = val; | |
2662 | ||
2663 | if ((val == COPIED) || (val == COPY_ERROR)) { | |
2664 | spin_lock_irqsave(&instance->crashdump_lock, flags); | |
2665 | megasas_free_host_crash_buffer(instance); | |
2666 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2667 | if (val == COPY_ERROR) | |
2668 | dev_info(&instance->pdev->dev, "application failed to " | |
2669 | "copy Firmware crash dump\n"); | |
2670 | else | |
2671 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
2672 | "copied successfully\n"); | |
2673 | } | |
2674 | return strlen(buf); | |
2675 | } | |
2676 | ||
2677 | static ssize_t | |
2678 | megasas_fw_crash_state_show(struct device *cdev, | |
2679 | struct device_attribute *attr, char *buf) | |
2680 | { | |
2681 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2682 | struct megasas_instance *instance = | |
2683 | (struct megasas_instance *) shost->hostdata; | |
2684 | return snprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state); | |
2685 | } | |
2686 | ||
2687 | static ssize_t | |
2688 | megasas_page_size_show(struct device *cdev, | |
2689 | struct device_attribute *attr, char *buf) | |
2690 | { | |
2691 | return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE - 1); | |
2692 | } | |
2693 | ||
2694 | static DEVICE_ATTR(fw_crash_buffer, S_IRUGO | S_IWUSR, | |
2695 | megasas_fw_crash_buffer_show, megasas_fw_crash_buffer_store); | |
2696 | static DEVICE_ATTR(fw_crash_buffer_size, S_IRUGO, | |
2697 | megasas_fw_crash_buffer_size_show, NULL); | |
2698 | static DEVICE_ATTR(fw_crash_state, S_IRUGO | S_IWUSR, | |
2699 | megasas_fw_crash_state_show, megasas_fw_crash_state_store); | |
2700 | static DEVICE_ATTR(page_size, S_IRUGO, | |
2701 | megasas_page_size_show, NULL); | |
2702 | ||
2703 | struct device_attribute *megaraid_host_attrs[] = { | |
2704 | &dev_attr_fw_crash_buffer_size, | |
2705 | &dev_attr_fw_crash_buffer, | |
2706 | &dev_attr_fw_crash_state, | |
2707 | &dev_attr_page_size, | |
2708 | NULL, | |
2709 | }; | |
2710 | ||
c4a3e0a5 BS |
2711 | /* |
2712 | * Scsi host template for megaraid_sas driver | |
2713 | */ | |
2714 | static struct scsi_host_template megasas_template = { | |
2715 | ||
2716 | .module = THIS_MODULE, | |
f28cd7cf | 2717 | .name = "LSI SAS based MegaRAID driver", |
c4a3e0a5 | 2718 | .proc_name = "megaraid_sas", |
147aab6a | 2719 | .slave_configure = megasas_slave_configure, |
044833b5 | 2720 | .slave_alloc = megasas_slave_alloc, |
c4a3e0a5 BS |
2721 | .queuecommand = megasas_queue_command, |
2722 | .eh_device_reset_handler = megasas_reset_device, | |
2723 | .eh_bus_reset_handler = megasas_reset_bus_host, | |
2724 | .eh_host_reset_handler = megasas_reset_bus_host, | |
05e9ebbe | 2725 | .eh_timed_out = megasas_reset_timer, |
fc62b3fc | 2726 | .shost_attrs = megaraid_host_attrs, |
cf62a0a5 | 2727 | .bios_param = megasas_bios_param, |
c4a3e0a5 | 2728 | .use_clustering = ENABLE_CLUSTERING, |
4bcde509 | 2729 | .change_queue_depth = megasas_change_queue_depth, |
54b2b50c | 2730 | .no_write_same = 1, |
c4a3e0a5 BS |
2731 | }; |
2732 | ||
2733 | /** | |
2734 | * megasas_complete_int_cmd - Completes an internal command | |
2735 | * @instance: Adapter soft state | |
2736 | * @cmd: Command to be completed | |
2737 | * | |
2738 | * The megasas_issue_blocked_cmd() function waits for a command to complete | |
2739 | * after it issues a command. This function wakes up that waiting routine by | |
2740 | * calling wake_up() on the wait queue. | |
2741 | */ | |
2742 | static void | |
2743 | megasas_complete_int_cmd(struct megasas_instance *instance, | |
2744 | struct megasas_cmd *cmd) | |
2745 | { | |
2746 | cmd->cmd_status = cmd->frame->io.cmd_status; | |
2747 | ||
2748 | if (cmd->cmd_status == ENODATA) { | |
2749 | cmd->cmd_status = 0; | |
2750 | } | |
2751 | wake_up(&instance->int_cmd_wait_q); | |
2752 | } | |
2753 | ||
2754 | /** | |
2755 | * megasas_complete_abort - Completes aborting a command | |
2756 | * @instance: Adapter soft state | |
2757 | * @cmd: Cmd that was issued to abort another cmd | |
2758 | * | |
0d49016b AR |
2759 | * The megasas_issue_blocked_abort_cmd() function waits on abort_cmd_wait_q |
2760 | * after it issues an abort on a previously issued command. This function | |
c4a3e0a5 BS |
2761 | * wakes up all functions waiting on the same wait queue. |
2762 | */ | |
2763 | static void | |
2764 | megasas_complete_abort(struct megasas_instance *instance, | |
2765 | struct megasas_cmd *cmd) | |
2766 | { | |
2767 | if (cmd->sync_cmd) { | |
2768 | cmd->sync_cmd = 0; | |
2769 | cmd->cmd_status = 0; | |
2770 | wake_up(&instance->abort_cmd_wait_q); | |
2771 | } | |
2772 | ||
2773 | return; | |
2774 | } | |
2775 | ||
c4a3e0a5 BS |
2776 | /** |
2777 | * megasas_complete_cmd - Completes a command | |
2778 | * @instance: Adapter soft state | |
2779 | * @cmd: Command to be completed | |
0d49016b | 2780 | * @alt_status: If non-zero, use this value as status to |
c4a3e0a5 BS |
2781 | * SCSI mid-layer instead of the value returned |
2782 | * by the FW. This should be used if caller wants | |
2783 | * an alternate status (as in the case of aborted | |
2784 | * commands) | |
2785 | */ | |
9c915a8c | 2786 | void |
c4a3e0a5 BS |
2787 | megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, |
2788 | u8 alt_status) | |
2789 | { | |
2790 | int exception = 0; | |
2791 | struct megasas_header *hdr = &cmd->frame->hdr; | |
c3518837 | 2792 | unsigned long flags; |
9c915a8c | 2793 | struct fusion_context *fusion = instance->ctrl_context; |
94cd65dd | 2794 | u32 opcode; |
c4a3e0a5 | 2795 | |
39a98554 | 2796 | /* flag for the retry reset */ |
2797 | cmd->retry_for_fw_reset = 0; | |
2798 | ||
05e9ebbe SP |
2799 | if (cmd->scmd) |
2800 | cmd->scmd->SCp.ptr = NULL; | |
c4a3e0a5 BS |
2801 | |
2802 | switch (hdr->cmd) { | |
e5f93a36 AR |
2803 | case MFI_CMD_INVALID: |
2804 | /* Some older 1068 controller FW may keep a pended | |
2805 | MR_DCMD_CTRL_EVENT_GET_INFO left over from the main kernel | |
2806 | when booting the kdump kernel. Ignore this command to | |
2807 | prevent a kernel panic on shutdown of the kdump kernel. */ | |
2808 | printk(KERN_WARNING "megaraid_sas: MFI_CMD_INVALID command " | |
2809 | "completed.\n"); | |
2810 | printk(KERN_WARNING "megaraid_sas: If you have a controller " | |
2811 | "other than PERC5, please upgrade your firmware.\n"); | |
2812 | break; | |
c4a3e0a5 BS |
2813 | case MFI_CMD_PD_SCSI_IO: |
2814 | case MFI_CMD_LD_SCSI_IO: | |
2815 | ||
2816 | /* | |
2817 | * MFI_CMD_PD_SCSI_IO and MFI_CMD_LD_SCSI_IO could have been | |
2818 | * issued either through an IO path or an IOCTL path. If it | |
2819 | * was via IOCTL, we will send it to internal completion. | |
2820 | */ | |
2821 | if (cmd->sync_cmd) { | |
2822 | cmd->sync_cmd = 0; | |
2823 | megasas_complete_int_cmd(instance, cmd); | |
2824 | break; | |
2825 | } | |
2826 | ||
c4a3e0a5 BS |
2827 | case MFI_CMD_LD_READ: |
2828 | case MFI_CMD_LD_WRITE: | |
2829 | ||
2830 | if (alt_status) { | |
2831 | cmd->scmd->result = alt_status << 16; | |
2832 | exception = 1; | |
2833 | } | |
2834 | ||
2835 | if (exception) { | |
2836 | ||
e4a082c7 | 2837 | atomic_dec(&instance->fw_outstanding); |
c4a3e0a5 | 2838 | |
155d98f0 | 2839 | scsi_dma_unmap(cmd->scmd); |
c4a3e0a5 BS |
2840 | cmd->scmd->scsi_done(cmd->scmd); |
2841 | megasas_return_cmd(instance, cmd); | |
2842 | ||
2843 | break; | |
2844 | } | |
2845 | ||
2846 | switch (hdr->cmd_status) { | |
2847 | ||
2848 | case MFI_STAT_OK: | |
2849 | cmd->scmd->result = DID_OK << 16; | |
2850 | break; | |
2851 | ||
2852 | case MFI_STAT_SCSI_IO_FAILED: | |
2853 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
2854 | cmd->scmd->result = | |
2855 | (DID_ERROR << 16) | hdr->scsi_status; | |
2856 | break; | |
2857 | ||
2858 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
2859 | ||
2860 | cmd->scmd->result = (DID_OK << 16) | hdr->scsi_status; | |
2861 | ||
2862 | if (hdr->scsi_status == SAM_STAT_CHECK_CONDITION) { | |
2863 | memset(cmd->scmd->sense_buffer, 0, | |
2864 | SCSI_SENSE_BUFFERSIZE); | |
2865 | memcpy(cmd->scmd->sense_buffer, cmd->sense, | |
2866 | hdr->sense_len); | |
2867 | ||
2868 | cmd->scmd->result |= DRIVER_SENSE << 24; | |
2869 | } | |
2870 | ||
2871 | break; | |
2872 | ||
2873 | case MFI_STAT_LD_OFFLINE: | |
2874 | case MFI_STAT_DEVICE_NOT_FOUND: | |
2875 | cmd->scmd->result = DID_BAD_TARGET << 16; | |
2876 | break; | |
2877 | ||
2878 | default: | |
2879 | printk(KERN_DEBUG "megasas: MFI FW status %#x\n", | |
2880 | hdr->cmd_status); | |
2881 | cmd->scmd->result = DID_ERROR << 16; | |
2882 | break; | |
2883 | } | |
2884 | ||
e4a082c7 | 2885 | atomic_dec(&instance->fw_outstanding); |
c4a3e0a5 | 2886 | |
155d98f0 | 2887 | scsi_dma_unmap(cmd->scmd); |
c4a3e0a5 BS |
2888 | cmd->scmd->scsi_done(cmd->scmd); |
2889 | megasas_return_cmd(instance, cmd); | |
2890 | ||
2891 | break; | |
2892 | ||
2893 | case MFI_CMD_SMP: | |
2894 | case MFI_CMD_STP: | |
2895 | case MFI_CMD_DCMD: | |
94cd65dd | 2896 | opcode = le32_to_cpu(cmd->frame->dcmd.opcode); |
9c915a8c | 2897 | /* Check for LD map update */ |
94cd65dd SS |
2898 | if ((opcode == MR_DCMD_LD_MAP_GET_INFO) |
2899 | && (cmd->frame->dcmd.mbox.b[1] == 1)) { | |
bc93d425 | 2900 | fusion->fast_path_io = 0; |
9c915a8c AR |
2901 | spin_lock_irqsave(instance->host->host_lock, flags); |
2902 | if (cmd->frame->hdr.cmd_status != 0) { | |
2903 | if (cmd->frame->hdr.cmd_status != | |
2904 | MFI_STAT_NOT_FOUND) | |
2905 | printk(KERN_WARNING "megasas: map sync" | |
2906 | "failed, status = 0x%x.\n", | |
2907 | cmd->frame->hdr.cmd_status); | |
2908 | else { | |
2909 | megasas_return_cmd(instance, cmd); | |
2910 | spin_unlock_irqrestore( | |
2911 | instance->host->host_lock, | |
2912 | flags); | |
2913 | break; | |
2914 | } | |
2915 | } else | |
2916 | instance->map_id++; | |
2917 | megasas_return_cmd(instance, cmd); | |
bc93d425 SS |
2918 | |
2919 | /* | |
2920 | * Set fast path IO to ZERO. | |
2921 | * Validate Map will set proper value. | |
2922 | * Meanwhile all IOs will go as LD IO. | |
2923 | */ | |
2924 | if (MR_ValidateMapInfo(instance)) | |
9c915a8c AR |
2925 | fusion->fast_path_io = 1; |
2926 | else | |
2927 | fusion->fast_path_io = 0; | |
2928 | megasas_sync_map_info(instance); | |
2929 | spin_unlock_irqrestore(instance->host->host_lock, | |
2930 | flags); | |
2931 | break; | |
2932 | } | |
94cd65dd SS |
2933 | if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO || |
2934 | opcode == MR_DCMD_CTRL_EVENT_GET) { | |
c3518837 YB |
2935 | spin_lock_irqsave(&poll_aen_lock, flags); |
2936 | megasas_poll_wait_aen = 0; | |
2937 | spin_unlock_irqrestore(&poll_aen_lock, flags); | |
2938 | } | |
c4a3e0a5 BS |
2939 | |
2940 | /* | |
2941 | * See if got an event notification | |
2942 | */ | |
94cd65dd | 2943 | if (opcode == MR_DCMD_CTRL_EVENT_WAIT) |
c4a3e0a5 BS |
2944 | megasas_service_aen(instance, cmd); |
2945 | else | |
2946 | megasas_complete_int_cmd(instance, cmd); | |
2947 | ||
2948 | break; | |
2949 | ||
2950 | case MFI_CMD_ABORT: | |
2951 | /* | |
2952 | * Cmd issued to abort another cmd returned | |
2953 | */ | |
2954 | megasas_complete_abort(instance, cmd); | |
2955 | break; | |
2956 | ||
2957 | default: | |
2958 | printk("megasas: Unknown command completed! [0x%X]\n", | |
2959 | hdr->cmd); | |
2960 | break; | |
2961 | } | |
2962 | } | |
2963 | ||
39a98554 | 2964 | /** |
2965 | * megasas_issue_pending_cmds_again - issue all pending cmds | |
2966 | * in FW again because of the fw reset | |
2967 | * @instance: Adapter soft state | |
2968 | */ | |
2969 | static inline void | |
2970 | megasas_issue_pending_cmds_again(struct megasas_instance *instance) | |
2971 | { | |
2972 | struct megasas_cmd *cmd; | |
2973 | struct list_head clist_local; | |
2974 | union megasas_evt_class_locale class_locale; | |
2975 | unsigned long flags; | |
2976 | u32 seq_num; | |
2977 | ||
2978 | INIT_LIST_HEAD(&clist_local); | |
2979 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2980 | list_splice_init(&instance->internal_reset_pending_q, &clist_local); | |
2981 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2982 | ||
2983 | while (!list_empty(&clist_local)) { | |
2984 | cmd = list_entry((&clist_local)->next, | |
2985 | struct megasas_cmd, list); | |
2986 | list_del_init(&cmd->list); | |
2987 | ||
2988 | if (cmd->sync_cmd || cmd->scmd) { | |
2989 | printk(KERN_NOTICE "megaraid_sas: command %p, %p:%d" | |
2990 | "detected to be pending while HBA reset.\n", | |
2991 | cmd, cmd->scmd, cmd->sync_cmd); | |
2992 | ||
2993 | cmd->retry_for_fw_reset++; | |
2994 | ||
2995 | if (cmd->retry_for_fw_reset == 3) { | |
2996 | printk(KERN_NOTICE "megaraid_sas: cmd %p, %p:%d" | |
2997 | "was tried multiple times during reset." | |
2998 | "Shutting down the HBA\n", | |
2999 | cmd, cmd->scmd, cmd->sync_cmd); | |
3000 | megaraid_sas_kill_hba(instance); | |
3001 | ||
3002 | instance->adprecovery = | |
3003 | MEGASAS_HW_CRITICAL_ERROR; | |
3004 | return; | |
3005 | } | |
3006 | } | |
3007 | ||
3008 | if (cmd->sync_cmd == 1) { | |
3009 | if (cmd->scmd) { | |
3010 | printk(KERN_NOTICE "megaraid_sas: unexpected" | |
3011 | "cmd attached to internal command!\n"); | |
3012 | } | |
3013 | printk(KERN_NOTICE "megasas: %p synchronous cmd" | |
3014 | "on the internal reset queue," | |
3015 | "issue it again.\n", cmd); | |
3016 | cmd->cmd_status = ENODATA; | |
3017 | instance->instancet->fire_cmd(instance, | |
3018 | cmd->frame_phys_addr , | |
3019 | 0, instance->reg_set); | |
3020 | } else if (cmd->scmd) { | |
5cd049a5 | 3021 | printk(KERN_NOTICE "megasas: %p scsi cmd [%02x]" |
39a98554 | 3022 | "detected on the internal queue, issue again.\n", |
5cd049a5 | 3023 | cmd, cmd->scmd->cmnd[0]); |
39a98554 | 3024 | |
3025 | atomic_inc(&instance->fw_outstanding); | |
3026 | instance->instancet->fire_cmd(instance, | |
3027 | cmd->frame_phys_addr, | |
3028 | cmd->frame_count-1, instance->reg_set); | |
3029 | } else { | |
3030 | printk(KERN_NOTICE "megasas: %p unexpected cmd on the" | |
3031 | "internal reset defer list while re-issue!!\n", | |
3032 | cmd); | |
3033 | } | |
3034 | } | |
3035 | ||
3036 | if (instance->aen_cmd) { | |
3037 | printk(KERN_NOTICE "megaraid_sas: aen_cmd in def process\n"); | |
3038 | megasas_return_cmd(instance, instance->aen_cmd); | |
3039 | ||
3040 | instance->aen_cmd = NULL; | |
3041 | } | |
3042 | ||
3043 | /* | |
3044 | * Initiate AEN (Asynchronous Event Notification) | |
3045 | */ | |
3046 | seq_num = instance->last_seq_num; | |
3047 | class_locale.members.reserved = 0; | |
3048 | class_locale.members.locale = MR_EVT_LOCALE_ALL; | |
3049 | class_locale.members.class = MR_EVT_CLASS_DEBUG; | |
3050 | ||
3051 | megasas_register_aen(instance, seq_num, class_locale.word); | |
3052 | } | |
3053 | ||
3054 | /** | |
3055 | * Move the internal reset pending commands to a deferred queue. | |
3056 | * | |
3057 | * We move the commands pending at internal reset time to a | |
3058 | * pending queue. This queue would be flushed after successful | |
3059 | * completion of the internal reset sequence. if the internal reset | |
3060 | * did not complete in time, the kernel reset handler would flush | |
3061 | * these commands. | |
3062 | **/ | |
3063 | static void | |
3064 | megasas_internal_reset_defer_cmds(struct megasas_instance *instance) | |
3065 | { | |
3066 | struct megasas_cmd *cmd; | |
3067 | int i; | |
3068 | u32 max_cmd = instance->max_fw_cmds; | |
3069 | u32 defer_index; | |
3070 | unsigned long flags; | |
3071 | ||
3072 | defer_index = 0; | |
3073 | spin_lock_irqsave(&instance->cmd_pool_lock, flags); | |
3074 | for (i = 0; i < max_cmd; i++) { | |
3075 | cmd = instance->cmd_list[i]; | |
3076 | if (cmd->sync_cmd == 1 || cmd->scmd) { | |
3077 | printk(KERN_NOTICE "megasas: moving cmd[%d]:%p:%d:%p" | |
3078 | "on the defer queue as internal\n", | |
3079 | defer_index, cmd, cmd->sync_cmd, cmd->scmd); | |
3080 | ||
3081 | if (!list_empty(&cmd->list)) { | |
3082 | printk(KERN_NOTICE "megaraid_sas: ERROR while" | |
3083 | " moving this cmd:%p, %d %p, it was" | |
3084 | "discovered on some list?\n", | |
3085 | cmd, cmd->sync_cmd, cmd->scmd); | |
3086 | ||
3087 | list_del_init(&cmd->list); | |
3088 | } | |
3089 | defer_index++; | |
3090 | list_add_tail(&cmd->list, | |
3091 | &instance->internal_reset_pending_q); | |
3092 | } | |
3093 | } | |
3094 | spin_unlock_irqrestore(&instance->cmd_pool_lock, flags); | |
3095 | } | |
3096 | ||
3097 | ||
3098 | static void | |
3099 | process_fw_state_change_wq(struct work_struct *work) | |
3100 | { | |
3101 | struct megasas_instance *instance = | |
3102 | container_of(work, struct megasas_instance, work_init); | |
3103 | u32 wait; | |
3104 | unsigned long flags; | |
3105 | ||
3106 | if (instance->adprecovery != MEGASAS_ADPRESET_SM_INFAULT) { | |
3107 | printk(KERN_NOTICE "megaraid_sas: error, recovery st %x \n", | |
3108 | instance->adprecovery); | |
3109 | return ; | |
3110 | } | |
3111 | ||
3112 | if (instance->adprecovery == MEGASAS_ADPRESET_SM_INFAULT) { | |
3113 | printk(KERN_NOTICE "megaraid_sas: FW detected to be in fault" | |
3114 | "state, restarting it...\n"); | |
3115 | ||
d46a3ad6 | 3116 | instance->instancet->disable_intr(instance); |
39a98554 | 3117 | atomic_set(&instance->fw_outstanding, 0); |
3118 | ||
3119 | atomic_set(&instance->fw_reset_no_pci_access, 1); | |
3120 | instance->instancet->adp_reset(instance, instance->reg_set); | |
3121 | atomic_set(&instance->fw_reset_no_pci_access, 0 ); | |
3122 | ||
3123 | printk(KERN_NOTICE "megaraid_sas: FW restarted successfully," | |
3124 | "initiating next stage...\n"); | |
3125 | ||
3126 | printk(KERN_NOTICE "megaraid_sas: HBA recovery state machine," | |
3127 | "state 2 starting...\n"); | |
3128 | ||
3129 | /*waitting for about 20 second before start the second init*/ | |
3130 | for (wait = 0; wait < 30; wait++) { | |
3131 | msleep(1000); | |
3132 | } | |
3133 | ||
058a8fac | 3134 | if (megasas_transition_to_ready(instance, 1)) { |
39a98554 | 3135 | printk(KERN_NOTICE "megaraid_sas:adapter not ready\n"); |
3136 | ||
3137 | megaraid_sas_kill_hba(instance); | |
3138 | instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; | |
3139 | return ; | |
3140 | } | |
3141 | ||
3142 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) || | |
3143 | (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) || | |
3144 | (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR) | |
3145 | ) { | |
3146 | *instance->consumer = *instance->producer; | |
3147 | } else { | |
3148 | *instance->consumer = 0; | |
3149 | *instance->producer = 0; | |
3150 | } | |
3151 | ||
3152 | megasas_issue_init_mfi(instance); | |
3153 | ||
3154 | spin_lock_irqsave(&instance->hba_lock, flags); | |
3155 | instance->adprecovery = MEGASAS_HBA_OPERATIONAL; | |
3156 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
d46a3ad6 | 3157 | instance->instancet->enable_intr(instance); |
39a98554 | 3158 | |
3159 | megasas_issue_pending_cmds_again(instance); | |
3160 | instance->issuepend_done = 1; | |
3161 | } | |
3162 | return ; | |
3163 | } | |
3164 | ||
c4a3e0a5 BS |
3165 | /** |
3166 | * megasas_deplete_reply_queue - Processes all completed commands | |
3167 | * @instance: Adapter soft state | |
3168 | * @alt_status: Alternate status to be returned to | |
3169 | * SCSI mid-layer instead of the status | |
3170 | * returned by the FW | |
39a98554 | 3171 | * Note: this must be called with hba lock held |
c4a3e0a5 | 3172 | */ |
858119e1 | 3173 | static int |
39a98554 | 3174 | megasas_deplete_reply_queue(struct megasas_instance *instance, |
3175 | u8 alt_status) | |
c4a3e0a5 | 3176 | { |
39a98554 | 3177 | u32 mfiStatus; |
3178 | u32 fw_state; | |
3179 | ||
3180 | if ((mfiStatus = instance->instancet->check_reset(instance, | |
3181 | instance->reg_set)) == 1) { | |
3182 | return IRQ_HANDLED; | |
3183 | } | |
3184 | ||
3185 | if ((mfiStatus = instance->instancet->clear_intr( | |
3186 | instance->reg_set) | |
3187 | ) == 0) { | |
e1419191 | 3188 | /* Hardware may not set outbound_intr_status in MSI-X mode */ |
c8e858fe | 3189 | if (!instance->msix_vectors) |
e1419191 | 3190 | return IRQ_NONE; |
39a98554 | 3191 | } |
3192 | ||
3193 | instance->mfiStatus = mfiStatus; | |
3194 | ||
3195 | if ((mfiStatus & MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE)) { | |
3196 | fw_state = instance->instancet->read_fw_status_reg( | |
3197 | instance->reg_set) & MFI_STATE_MASK; | |
3198 | ||
3199 | if (fw_state != MFI_STATE_FAULT) { | |
3200 | printk(KERN_NOTICE "megaraid_sas: fw state:%x\n", | |
3201 | fw_state); | |
3202 | } | |
3203 | ||
3204 | if ((fw_state == MFI_STATE_FAULT) && | |
3205 | (instance->disableOnlineCtrlReset == 0)) { | |
3206 | printk(KERN_NOTICE "megaraid_sas: wait adp restart\n"); | |
3207 | ||
3208 | if ((instance->pdev->device == | |
3209 | PCI_DEVICE_ID_LSI_SAS1064R) || | |
3210 | (instance->pdev->device == | |
3211 | PCI_DEVICE_ID_DELL_PERC5) || | |
3212 | (instance->pdev->device == | |
3213 | PCI_DEVICE_ID_LSI_VERDE_ZCR)) { | |
3214 | ||
3215 | *instance->consumer = | |
94cd65dd | 3216 | cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); |
39a98554 | 3217 | } |
3218 | ||
3219 | ||
d46a3ad6 | 3220 | instance->instancet->disable_intr(instance); |
39a98554 | 3221 | instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; |
3222 | instance->issuepend_done = 0; | |
3223 | ||
3224 | atomic_set(&instance->fw_outstanding, 0); | |
3225 | megasas_internal_reset_defer_cmds(instance); | |
3226 | ||
3227 | printk(KERN_NOTICE "megasas: fwState=%x, stage:%d\n", | |
3228 | fw_state, instance->adprecovery); | |
3229 | ||
3230 | schedule_work(&instance->work_init); | |
3231 | return IRQ_HANDLED; | |
3232 | ||
3233 | } else { | |
3234 | printk(KERN_NOTICE "megasas: fwstate:%x, dis_OCR=%x\n", | |
3235 | fw_state, instance->disableOnlineCtrlReset); | |
3236 | } | |
3237 | } | |
c4a3e0a5 | 3238 | |
5d018ad0 | 3239 | tasklet_schedule(&instance->isr_tasklet); |
c4a3e0a5 BS |
3240 | return IRQ_HANDLED; |
3241 | } | |
c4a3e0a5 BS |
3242 | /** |
3243 | * megasas_isr - isr entry point | |
3244 | */ | |
7d12e780 | 3245 | static irqreturn_t megasas_isr(int irq, void *devp) |
c4a3e0a5 | 3246 | { |
c8e858fe AR |
3247 | struct megasas_irq_context *irq_context = devp; |
3248 | struct megasas_instance *instance = irq_context->instance; | |
39a98554 | 3249 | unsigned long flags; |
3250 | irqreturn_t rc; | |
3251 | ||
c8e858fe | 3252 | if (atomic_read(&instance->fw_reset_no_pci_access)) |
39a98554 | 3253 | return IRQ_HANDLED; |
3254 | ||
39a98554 | 3255 | spin_lock_irqsave(&instance->hba_lock, flags); |
3256 | rc = megasas_deplete_reply_queue(instance, DID_OK); | |
3257 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
3258 | ||
3259 | return rc; | |
c4a3e0a5 BS |
3260 | } |
3261 | ||
3262 | /** | |
3263 | * megasas_transition_to_ready - Move the FW to READY state | |
1341c939 | 3264 | * @instance: Adapter soft state |
c4a3e0a5 BS |
3265 | * |
3266 | * During the initialization, FW passes can potentially be in any one of | |
3267 | * several possible states. If the FW in operational, waiting-for-handshake | |
3268 | * states, driver must take steps to bring it to ready state. Otherwise, it | |
3269 | * has to wait for the ready state. | |
3270 | */ | |
9c915a8c | 3271 | int |
058a8fac | 3272 | megasas_transition_to_ready(struct megasas_instance *instance, int ocr) |
c4a3e0a5 BS |
3273 | { |
3274 | int i; | |
3275 | u8 max_wait; | |
3276 | u32 fw_state; | |
3277 | u32 cur_state; | |
7218df69 | 3278 | u32 abs_state, curr_abs_state; |
c4a3e0a5 | 3279 | |
bc6ac5e8 TH |
3280 | abs_state = instance->instancet->read_fw_status_reg(instance->reg_set); |
3281 | fw_state = abs_state & MFI_STATE_MASK; | |
c4a3e0a5 | 3282 | |
e3bbff9f | 3283 | if (fw_state != MFI_STATE_READY) |
0d49016b AR |
3284 | printk(KERN_INFO "megasas: Waiting for FW to come to ready" |
3285 | " state\n"); | |
e3bbff9f | 3286 | |
c4a3e0a5 BS |
3287 | while (fw_state != MFI_STATE_READY) { |
3288 | ||
c4a3e0a5 BS |
3289 | switch (fw_state) { |
3290 | ||
3291 | case MFI_STATE_FAULT: | |
c4a3e0a5 | 3292 | printk(KERN_DEBUG "megasas: FW in FAULT state!!\n"); |
058a8fac AR |
3293 | if (ocr) { |
3294 | max_wait = MEGASAS_RESET_WAIT_TIME; | |
3295 | cur_state = MFI_STATE_FAULT; | |
3296 | break; | |
3297 | } else | |
3298 | return -ENODEV; | |
c4a3e0a5 BS |
3299 | |
3300 | case MFI_STATE_WAIT_HANDSHAKE: | |
3301 | /* | |
3302 | * Set the CLR bit in inbound doorbell | |
3303 | */ | |
0c79e681 | 3304 | if ((instance->pdev->device == |
87911122 YB |
3305 | PCI_DEVICE_ID_LSI_SAS0073SKINNY) || |
3306 | (instance->pdev->device == | |
9c915a8c AR |
3307 | PCI_DEVICE_ID_LSI_SAS0071SKINNY) || |
3308 | (instance->pdev->device == | |
21d3c710 | 3309 | PCI_DEVICE_ID_LSI_FUSION) || |
36807e67 | 3310 | (instance->pdev->device == |
229fe47c AR |
3311 | PCI_DEVICE_ID_LSI_PLASMA) || |
3312 | (instance->pdev->device == | |
21d3c710 SS |
3313 | PCI_DEVICE_ID_LSI_INVADER) || |
3314 | (instance->pdev->device == | |
3315 | PCI_DEVICE_ID_LSI_FURY)) { | |
87911122 YB |
3316 | writel( |
3317 | MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, | |
9c915a8c | 3318 | &instance->reg_set->doorbell); |
87911122 YB |
3319 | } else { |
3320 | writel( | |
3321 | MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, | |
3322 | &instance->reg_set->inbound_doorbell); | |
3323 | } | |
c4a3e0a5 | 3324 | |
7218df69 | 3325 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3326 | cur_state = MFI_STATE_WAIT_HANDSHAKE; |
3327 | break; | |
3328 | ||
e3bbff9f | 3329 | case MFI_STATE_BOOT_MESSAGE_PENDING: |
87911122 | 3330 | if ((instance->pdev->device == |
9c915a8c AR |
3331 | PCI_DEVICE_ID_LSI_SAS0073SKINNY) || |
3332 | (instance->pdev->device == | |
3333 | PCI_DEVICE_ID_LSI_SAS0071SKINNY) || | |
3334 | (instance->pdev->device == | |
36807e67 | 3335 | PCI_DEVICE_ID_LSI_FUSION) || |
229fe47c AR |
3336 | (instance->pdev->device == |
3337 | PCI_DEVICE_ID_LSI_PLASMA) || | |
36807e67 | 3338 | (instance->pdev->device == |
21d3c710 SS |
3339 | PCI_DEVICE_ID_LSI_INVADER) || |
3340 | (instance->pdev->device == | |
3341 | PCI_DEVICE_ID_LSI_FURY)) { | |
87911122 | 3342 | writel(MFI_INIT_HOTPLUG, |
9c915a8c | 3343 | &instance->reg_set->doorbell); |
87911122 YB |
3344 | } else |
3345 | writel(MFI_INIT_HOTPLUG, | |
3346 | &instance->reg_set->inbound_doorbell); | |
e3bbff9f | 3347 | |
7218df69 | 3348 | max_wait = MEGASAS_RESET_WAIT_TIME; |
e3bbff9f SP |
3349 | cur_state = MFI_STATE_BOOT_MESSAGE_PENDING; |
3350 | break; | |
3351 | ||
c4a3e0a5 BS |
3352 | case MFI_STATE_OPERATIONAL: |
3353 | /* | |
e3bbff9f | 3354 | * Bring it to READY state; assuming max wait 10 secs |
c4a3e0a5 | 3355 | */ |
d46a3ad6 | 3356 | instance->instancet->disable_intr(instance); |
87911122 YB |
3357 | if ((instance->pdev->device == |
3358 | PCI_DEVICE_ID_LSI_SAS0073SKINNY) || | |
3359 | (instance->pdev->device == | |
9c915a8c AR |
3360 | PCI_DEVICE_ID_LSI_SAS0071SKINNY) || |
3361 | (instance->pdev->device | |
36807e67 | 3362 | == PCI_DEVICE_ID_LSI_FUSION) || |
229fe47c AR |
3363 | (instance->pdev->device |
3364 | == PCI_DEVICE_ID_LSI_PLASMA) || | |
36807e67 | 3365 | (instance->pdev->device |
21d3c710 SS |
3366 | == PCI_DEVICE_ID_LSI_INVADER) || |
3367 | (instance->pdev->device | |
3368 | == PCI_DEVICE_ID_LSI_FURY)) { | |
87911122 | 3369 | writel(MFI_RESET_FLAGS, |
9c915a8c | 3370 | &instance->reg_set->doorbell); |
36807e67 | 3371 | if ((instance->pdev->device == |
21d3c710 SS |
3372 | PCI_DEVICE_ID_LSI_FUSION) || |
3373 | (instance->pdev->device == | |
229fe47c AR |
3374 | PCI_DEVICE_ID_LSI_PLASMA) || |
3375 | (instance->pdev->device == | |
21d3c710 SS |
3376 | PCI_DEVICE_ID_LSI_INVADER) || |
3377 | (instance->pdev->device == | |
3378 | PCI_DEVICE_ID_LSI_FURY)) { | |
9c915a8c AR |
3379 | for (i = 0; i < (10 * 1000); i += 20) { |
3380 | if (readl( | |
3381 | &instance-> | |
3382 | reg_set-> | |
3383 | doorbell) & 1) | |
3384 | msleep(20); | |
3385 | else | |
3386 | break; | |
3387 | } | |
3388 | } | |
87911122 YB |
3389 | } else |
3390 | writel(MFI_RESET_FLAGS, | |
3391 | &instance->reg_set->inbound_doorbell); | |
c4a3e0a5 | 3392 | |
7218df69 | 3393 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3394 | cur_state = MFI_STATE_OPERATIONAL; |
3395 | break; | |
3396 | ||
3397 | case MFI_STATE_UNDEFINED: | |
3398 | /* | |
3399 | * This state should not last for more than 2 seconds | |
3400 | */ | |
7218df69 | 3401 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3402 | cur_state = MFI_STATE_UNDEFINED; |
3403 | break; | |
3404 | ||
3405 | case MFI_STATE_BB_INIT: | |
7218df69 | 3406 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3407 | cur_state = MFI_STATE_BB_INIT; |
3408 | break; | |
3409 | ||
3410 | case MFI_STATE_FW_INIT: | |
7218df69 | 3411 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3412 | cur_state = MFI_STATE_FW_INIT; |
3413 | break; | |
3414 | ||
3415 | case MFI_STATE_FW_INIT_2: | |
7218df69 | 3416 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3417 | cur_state = MFI_STATE_FW_INIT_2; |
3418 | break; | |
3419 | ||
3420 | case MFI_STATE_DEVICE_SCAN: | |
7218df69 | 3421 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3422 | cur_state = MFI_STATE_DEVICE_SCAN; |
3423 | break; | |
3424 | ||
3425 | case MFI_STATE_FLUSH_CACHE: | |
7218df69 | 3426 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3427 | cur_state = MFI_STATE_FLUSH_CACHE; |
3428 | break; | |
3429 | ||
3430 | default: | |
3431 | printk(KERN_DEBUG "megasas: Unknown state 0x%x\n", | |
3432 | fw_state); | |
3433 | return -ENODEV; | |
3434 | } | |
3435 | ||
3436 | /* | |
3437 | * The cur_state should not last for more than max_wait secs | |
3438 | */ | |
3439 | for (i = 0; i < (max_wait * 1000); i++) { | |
bc6ac5e8 TH |
3440 | curr_abs_state = instance->instancet-> |
3441 | read_fw_status_reg(instance->reg_set); | |
c4a3e0a5 | 3442 | |
7218df69 | 3443 | if (abs_state == curr_abs_state) { |
c4a3e0a5 BS |
3444 | msleep(1); |
3445 | } else | |
3446 | break; | |
3447 | } | |
3448 | ||
3449 | /* | |
3450 | * Return error if fw_state hasn't changed after max_wait | |
3451 | */ | |
7218df69 | 3452 | if (curr_abs_state == abs_state) { |
c4a3e0a5 BS |
3453 | printk(KERN_DEBUG "FW state [%d] hasn't changed " |
3454 | "in %d secs\n", fw_state, max_wait); | |
3455 | return -ENODEV; | |
3456 | } | |
bc6ac5e8 TH |
3457 | |
3458 | abs_state = curr_abs_state; | |
3459 | fw_state = curr_abs_state & MFI_STATE_MASK; | |
39a98554 | 3460 | } |
0d49016b | 3461 | printk(KERN_INFO "megasas: FW now in Ready state\n"); |
c4a3e0a5 BS |
3462 | |
3463 | return 0; | |
3464 | } | |
3465 | ||
3466 | /** | |
3467 | * megasas_teardown_frame_pool - Destroy the cmd frame DMA pool | |
3468 | * @instance: Adapter soft state | |
3469 | */ | |
3470 | static void megasas_teardown_frame_pool(struct megasas_instance *instance) | |
3471 | { | |
3472 | int i; | |
9c915a8c | 3473 | u32 max_cmd = instance->max_mfi_cmds; |
c4a3e0a5 BS |
3474 | struct megasas_cmd *cmd; |
3475 | ||
3476 | if (!instance->frame_dma_pool) | |
3477 | return; | |
3478 | ||
3479 | /* | |
3480 | * Return all frames to pool | |
3481 | */ | |
3482 | for (i = 0; i < max_cmd; i++) { | |
3483 | ||
3484 | cmd = instance->cmd_list[i]; | |
3485 | ||
3486 | if (cmd->frame) | |
3487 | pci_pool_free(instance->frame_dma_pool, cmd->frame, | |
3488 | cmd->frame_phys_addr); | |
3489 | ||
3490 | if (cmd->sense) | |
e3bbff9f | 3491 | pci_pool_free(instance->sense_dma_pool, cmd->sense, |
c4a3e0a5 BS |
3492 | cmd->sense_phys_addr); |
3493 | } | |
3494 | ||
3495 | /* | |
3496 | * Now destroy the pool itself | |
3497 | */ | |
3498 | pci_pool_destroy(instance->frame_dma_pool); | |
3499 | pci_pool_destroy(instance->sense_dma_pool); | |
3500 | ||
3501 | instance->frame_dma_pool = NULL; | |
3502 | instance->sense_dma_pool = NULL; | |
3503 | } | |
3504 | ||
3505 | /** | |
3506 | * megasas_create_frame_pool - Creates DMA pool for cmd frames | |
3507 | * @instance: Adapter soft state | |
3508 | * | |
3509 | * Each command packet has an embedded DMA memory buffer that is used for | |
3510 | * filling MFI frame and the SG list that immediately follows the frame. This | |
3511 | * function creates those DMA memory buffers for each command packet by using | |
3512 | * PCI pool facility. | |
3513 | */ | |
3514 | static int megasas_create_frame_pool(struct megasas_instance *instance) | |
3515 | { | |
3516 | int i; | |
3517 | u32 max_cmd; | |
3518 | u32 sge_sz; | |
3519 | u32 sgl_sz; | |
3520 | u32 total_sz; | |
3521 | u32 frame_count; | |
3522 | struct megasas_cmd *cmd; | |
3523 | ||
9c915a8c | 3524 | max_cmd = instance->max_mfi_cmds; |
c4a3e0a5 BS |
3525 | |
3526 | /* | |
3527 | * Size of our frame is 64 bytes for MFI frame, followed by max SG | |
3528 | * elements and finally SCSI_SENSE_BUFFERSIZE bytes for sense buffer | |
3529 | */ | |
3530 | sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : | |
3531 | sizeof(struct megasas_sge32); | |
3532 | ||
f4c9a131 YB |
3533 | if (instance->flag_ieee) { |
3534 | sge_sz = sizeof(struct megasas_sge_skinny); | |
3535 | } | |
3536 | ||
c4a3e0a5 BS |
3537 | /* |
3538 | * Calculated the number of 64byte frames required for SGL | |
3539 | */ | |
3540 | sgl_sz = sge_sz * instance->max_num_sge; | |
3541 | frame_count = (sgl_sz + MEGAMFI_FRAME_SIZE - 1) / MEGAMFI_FRAME_SIZE; | |
39a98554 | 3542 | frame_count = 15; |
c4a3e0a5 BS |
3543 | |
3544 | /* | |
3545 | * We need one extra frame for the MFI command | |
3546 | */ | |
3547 | frame_count++; | |
3548 | ||
3549 | total_sz = MEGAMFI_FRAME_SIZE * frame_count; | |
3550 | /* | |
3551 | * Use DMA pool facility provided by PCI layer | |
3552 | */ | |
3553 | instance->frame_dma_pool = pci_pool_create("megasas frame pool", | |
3554 | instance->pdev, total_sz, 64, | |
3555 | 0); | |
3556 | ||
3557 | if (!instance->frame_dma_pool) { | |
3558 | printk(KERN_DEBUG "megasas: failed to setup frame pool\n"); | |
3559 | return -ENOMEM; | |
3560 | } | |
3561 | ||
3562 | instance->sense_dma_pool = pci_pool_create("megasas sense pool", | |
3563 | instance->pdev, 128, 4, 0); | |
3564 | ||
3565 | if (!instance->sense_dma_pool) { | |
3566 | printk(KERN_DEBUG "megasas: failed to setup sense pool\n"); | |
3567 | ||
3568 | pci_pool_destroy(instance->frame_dma_pool); | |
3569 | instance->frame_dma_pool = NULL; | |
3570 | ||
3571 | return -ENOMEM; | |
3572 | } | |
3573 | ||
3574 | /* | |
3575 | * Allocate and attach a frame to each of the commands in cmd_list. | |
3576 | * By making cmd->index as the context instead of the &cmd, we can | |
3577 | * always use 32bit context regardless of the architecture | |
3578 | */ | |
3579 | for (i = 0; i < max_cmd; i++) { | |
3580 | ||
3581 | cmd = instance->cmd_list[i]; | |
3582 | ||
3583 | cmd->frame = pci_pool_alloc(instance->frame_dma_pool, | |
3584 | GFP_KERNEL, &cmd->frame_phys_addr); | |
3585 | ||
3586 | cmd->sense = pci_pool_alloc(instance->sense_dma_pool, | |
3587 | GFP_KERNEL, &cmd->sense_phys_addr); | |
3588 | ||
3589 | /* | |
3590 | * megasas_teardown_frame_pool() takes care of freeing | |
3591 | * whatever has been allocated | |
3592 | */ | |
3593 | if (!cmd->frame || !cmd->sense) { | |
3594 | printk(KERN_DEBUG "megasas: pci_pool_alloc failed \n"); | |
3595 | megasas_teardown_frame_pool(instance); | |
3596 | return -ENOMEM; | |
3597 | } | |
3598 | ||
707e09bd | 3599 | memset(cmd->frame, 0, total_sz); |
94cd65dd | 3600 | cmd->frame->io.context = cpu_to_le32(cmd->index); |
7e8a75f4 | 3601 | cmd->frame->io.pad_0 = 0; |
e5f93a36 | 3602 | if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) && |
229fe47c | 3603 | (instance->pdev->device != PCI_DEVICE_ID_LSI_PLASMA) && |
e5f93a36 | 3604 | (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) && |
21d3c710 | 3605 | (instance->pdev->device != PCI_DEVICE_ID_LSI_FURY) && |
e5f93a36 AR |
3606 | (reset_devices)) |
3607 | cmd->frame->hdr.cmd = MFI_CMD_INVALID; | |
c4a3e0a5 BS |
3608 | } |
3609 | ||
3610 | return 0; | |
3611 | } | |
3612 | ||
3613 | /** | |
3614 | * megasas_free_cmds - Free all the cmds in the free cmd pool | |
3615 | * @instance: Adapter soft state | |
3616 | */ | |
9c915a8c | 3617 | void megasas_free_cmds(struct megasas_instance *instance) |
c4a3e0a5 BS |
3618 | { |
3619 | int i; | |
3620 | /* First free the MFI frame pool */ | |
3621 | megasas_teardown_frame_pool(instance); | |
3622 | ||
3623 | /* Free all the commands in the cmd_list */ | |
9c915a8c AR |
3624 | for (i = 0; i < instance->max_mfi_cmds; i++) |
3625 | ||
c4a3e0a5 BS |
3626 | kfree(instance->cmd_list[i]); |
3627 | ||
3628 | /* Free the cmd_list buffer itself */ | |
3629 | kfree(instance->cmd_list); | |
3630 | instance->cmd_list = NULL; | |
3631 | ||
3632 | INIT_LIST_HEAD(&instance->cmd_pool); | |
3633 | } | |
3634 | ||
3635 | /** | |
3636 | * megasas_alloc_cmds - Allocates the command packets | |
3637 | * @instance: Adapter soft state | |
3638 | * | |
3639 | * Each command that is issued to the FW, whether IO commands from the OS or | |
3640 | * internal commands like IOCTLs, are wrapped in local data structure called | |
3641 | * megasas_cmd. The frame embedded in this megasas_cmd is actually issued to | |
3642 | * the FW. | |
3643 | * | |
3644 | * Each frame has a 32-bit field called context (tag). This context is used | |
3645 | * to get back the megasas_cmd from the frame when a frame gets completed in | |
3646 | * the ISR. Typically the address of the megasas_cmd itself would be used as | |
3647 | * the context. But we wanted to keep the differences between 32 and 64 bit | |
3648 | * systems to the mininum. We always use 32 bit integers for the context. In | |
3649 | * this driver, the 32 bit values are the indices into an array cmd_list. | |
3650 | * This array is used only to look up the megasas_cmd given the context. The | |
3651 | * free commands themselves are maintained in a linked list called cmd_pool. | |
3652 | */ | |
9c915a8c | 3653 | int megasas_alloc_cmds(struct megasas_instance *instance) |
c4a3e0a5 BS |
3654 | { |
3655 | int i; | |
3656 | int j; | |
3657 | u32 max_cmd; | |
3658 | struct megasas_cmd *cmd; | |
3659 | ||
9c915a8c | 3660 | max_cmd = instance->max_mfi_cmds; |
c4a3e0a5 BS |
3661 | |
3662 | /* | |
3663 | * instance->cmd_list is an array of struct megasas_cmd pointers. | |
3664 | * Allocate the dynamic array first and then allocate individual | |
3665 | * commands. | |
3666 | */ | |
dd00cc48 | 3667 | instance->cmd_list = kcalloc(max_cmd, sizeof(struct megasas_cmd*), GFP_KERNEL); |
c4a3e0a5 BS |
3668 | |
3669 | if (!instance->cmd_list) { | |
3670 | printk(KERN_DEBUG "megasas: out of memory\n"); | |
3671 | return -ENOMEM; | |
3672 | } | |
3673 | ||
9c915a8c | 3674 | memset(instance->cmd_list, 0, sizeof(struct megasas_cmd *) *max_cmd); |
c4a3e0a5 BS |
3675 | |
3676 | for (i = 0; i < max_cmd; i++) { | |
3677 | instance->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd), | |
3678 | GFP_KERNEL); | |
3679 | ||
3680 | if (!instance->cmd_list[i]) { | |
3681 | ||
3682 | for (j = 0; j < i; j++) | |
3683 | kfree(instance->cmd_list[j]); | |
3684 | ||
3685 | kfree(instance->cmd_list); | |
3686 | instance->cmd_list = NULL; | |
3687 | ||
3688 | return -ENOMEM; | |
3689 | } | |
3690 | } | |
3691 | ||
3692 | /* | |
3693 | * Add all the commands to command pool (instance->cmd_pool) | |
3694 | */ | |
3695 | for (i = 0; i < max_cmd; i++) { | |
3696 | cmd = instance->cmd_list[i]; | |
3697 | memset(cmd, 0, sizeof(struct megasas_cmd)); | |
3698 | cmd->index = i; | |
39a98554 | 3699 | cmd->scmd = NULL; |
c4a3e0a5 BS |
3700 | cmd->instance = instance; |
3701 | ||
3702 | list_add_tail(&cmd->list, &instance->cmd_pool); | |
3703 | } | |
3704 | ||
3705 | /* | |
3706 | * Create a frame pool and assign one frame to each cmd | |
3707 | */ | |
3708 | if (megasas_create_frame_pool(instance)) { | |
3709 | printk(KERN_DEBUG "megasas: Error creating frame DMA pool\n"); | |
3710 | megasas_free_cmds(instance); | |
3711 | } | |
3712 | ||
3713 | return 0; | |
3714 | } | |
3715 | ||
81e403ce YB |
3716 | /* |
3717 | * megasas_get_pd_list_info - Returns FW's pd_list structure | |
3718 | * @instance: Adapter soft state | |
3719 | * @pd_list: pd_list structure | |
3720 | * | |
3721 | * Issues an internal command (DCMD) to get the FW's controller PD | |
3722 | * list structure. This information is mainly used to find out SYSTEM | |
3723 | * supported by the FW. | |
3724 | */ | |
3725 | static int | |
3726 | megasas_get_pd_list(struct megasas_instance *instance) | |
3727 | { | |
3728 | int ret = 0, pd_index = 0; | |
3729 | struct megasas_cmd *cmd; | |
3730 | struct megasas_dcmd_frame *dcmd; | |
3731 | struct MR_PD_LIST *ci; | |
3732 | struct MR_PD_ADDRESS *pd_addr; | |
3733 | dma_addr_t ci_h = 0; | |
3734 | ||
3735 | cmd = megasas_get_cmd(instance); | |
3736 | ||
3737 | if (!cmd) { | |
3738 | printk(KERN_DEBUG "megasas (get_pd_list): Failed to get cmd\n"); | |
3739 | return -ENOMEM; | |
3740 | } | |
3741 | ||
3742 | dcmd = &cmd->frame->dcmd; | |
3743 | ||
3744 | ci = pci_alloc_consistent(instance->pdev, | |
3745 | MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), &ci_h); | |
3746 | ||
3747 | if (!ci) { | |
3748 | printk(KERN_DEBUG "Failed to alloc mem for pd_list\n"); | |
3749 | megasas_return_cmd(instance, cmd); | |
3750 | return -ENOMEM; | |
3751 | } | |
3752 | ||
3753 | memset(ci, 0, sizeof(*ci)); | |
3754 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
3755 | ||
3756 | dcmd->mbox.b[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST; | |
3757 | dcmd->mbox.b[1] = 0; | |
3758 | dcmd->cmd = MFI_CMD_DCMD; | |
3759 | dcmd->cmd_status = 0xFF; | |
3760 | dcmd->sge_count = 1; | |
94cd65dd | 3761 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
81e403ce | 3762 | dcmd->timeout = 0; |
780a3762 | 3763 | dcmd->pad_0 = 0; |
94cd65dd SS |
3764 | dcmd->data_xfer_len = cpu_to_le32(MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST)); |
3765 | dcmd->opcode = cpu_to_le32(MR_DCMD_PD_LIST_QUERY); | |
3766 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
3767 | dcmd->sgl.sge32[0].length = cpu_to_le32(MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST)); | |
81e403ce YB |
3768 | |
3769 | if (!megasas_issue_polled(instance, cmd)) { | |
3770 | ret = 0; | |
3771 | } else { | |
3772 | ret = -1; | |
3773 | } | |
3774 | ||
3775 | /* | |
3776 | * the following function will get the instance PD LIST. | |
3777 | */ | |
3778 | ||
3779 | pd_addr = ci->addr; | |
3780 | ||
3781 | if ( ret == 0 && | |
94cd65dd | 3782 | (le32_to_cpu(ci->count) < |
81e403ce YB |
3783 | (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) { |
3784 | ||
999ece0a | 3785 | memset(instance->local_pd_list, 0, |
81e403ce YB |
3786 | MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)); |
3787 | ||
94cd65dd | 3788 | for (pd_index = 0; pd_index < le32_to_cpu(ci->count); pd_index++) { |
81e403ce | 3789 | |
999ece0a | 3790 | instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].tid = |
94cd65dd | 3791 | le16_to_cpu(pd_addr->deviceId); |
999ece0a | 3792 | instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveType = |
81e403ce | 3793 | pd_addr->scsiDevType; |
999ece0a | 3794 | instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveState = |
81e403ce YB |
3795 | MR_PD_STATE_SYSTEM; |
3796 | pd_addr++; | |
3797 | } | |
999ece0a SS |
3798 | memcpy(instance->pd_list, instance->local_pd_list, |
3799 | sizeof(instance->pd_list)); | |
81e403ce YB |
3800 | } |
3801 | ||
3802 | pci_free_consistent(instance->pdev, | |
3803 | MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), | |
3804 | ci, ci_h); | |
3805 | megasas_return_cmd(instance, cmd); | |
3806 | ||
3807 | return ret; | |
3808 | } | |
3809 | ||
bdc6fb8d YB |
3810 | /* |
3811 | * megasas_get_ld_list_info - Returns FW's ld_list structure | |
3812 | * @instance: Adapter soft state | |
3813 | * @ld_list: ld_list structure | |
3814 | * | |
3815 | * Issues an internal command (DCMD) to get the FW's controller PD | |
3816 | * list structure. This information is mainly used to find out SYSTEM | |
3817 | * supported by the FW. | |
3818 | */ | |
3819 | static int | |
3820 | megasas_get_ld_list(struct megasas_instance *instance) | |
3821 | { | |
3822 | int ret = 0, ld_index = 0, ids = 0; | |
3823 | struct megasas_cmd *cmd; | |
3824 | struct megasas_dcmd_frame *dcmd; | |
3825 | struct MR_LD_LIST *ci; | |
3826 | dma_addr_t ci_h = 0; | |
94cd65dd | 3827 | u32 ld_count; |
bdc6fb8d YB |
3828 | |
3829 | cmd = megasas_get_cmd(instance); | |
3830 | ||
3831 | if (!cmd) { | |
3832 | printk(KERN_DEBUG "megasas_get_ld_list: Failed to get cmd\n"); | |
3833 | return -ENOMEM; | |
3834 | } | |
3835 | ||
3836 | dcmd = &cmd->frame->dcmd; | |
3837 | ||
3838 | ci = pci_alloc_consistent(instance->pdev, | |
3839 | sizeof(struct MR_LD_LIST), | |
3840 | &ci_h); | |
3841 | ||
3842 | if (!ci) { | |
3843 | printk(KERN_DEBUG "Failed to alloc mem in get_ld_list\n"); | |
3844 | megasas_return_cmd(instance, cmd); | |
3845 | return -ENOMEM; | |
3846 | } | |
3847 | ||
3848 | memset(ci, 0, sizeof(*ci)); | |
3849 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
3850 | ||
51087a86 SS |
3851 | if (instance->supportmax256vd) |
3852 | dcmd->mbox.b[0] = 1; | |
bdc6fb8d YB |
3853 | dcmd->cmd = MFI_CMD_DCMD; |
3854 | dcmd->cmd_status = 0xFF; | |
3855 | dcmd->sge_count = 1; | |
94cd65dd | 3856 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
bdc6fb8d | 3857 | dcmd->timeout = 0; |
94cd65dd SS |
3858 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_LIST)); |
3859 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_GET_LIST); | |
3860 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
3861 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_LD_LIST)); | |
bdc6fb8d YB |
3862 | dcmd->pad_0 = 0; |
3863 | ||
3864 | if (!megasas_issue_polled(instance, cmd)) { | |
3865 | ret = 0; | |
3866 | } else { | |
3867 | ret = -1; | |
3868 | } | |
3869 | ||
94cd65dd SS |
3870 | ld_count = le32_to_cpu(ci->ldCount); |
3871 | ||
bdc6fb8d YB |
3872 | /* the following function will get the instance PD LIST */ |
3873 | ||
51087a86 SS |
3874 | if ((ret == 0) && (ld_count <= instance->fw_supported_vd_count)) { |
3875 | memset(instance->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT); | |
bdc6fb8d | 3876 | |
94cd65dd | 3877 | for (ld_index = 0; ld_index < ld_count; ld_index++) { |
bdc6fb8d YB |
3878 | if (ci->ldList[ld_index].state != 0) { |
3879 | ids = ci->ldList[ld_index].ref.targetId; | |
3880 | instance->ld_ids[ids] = | |
3881 | ci->ldList[ld_index].ref.targetId; | |
3882 | } | |
3883 | } | |
3884 | } | |
3885 | ||
3886 | pci_free_consistent(instance->pdev, | |
3887 | sizeof(struct MR_LD_LIST), | |
3888 | ci, | |
3889 | ci_h); | |
3890 | ||
3891 | megasas_return_cmd(instance, cmd); | |
3892 | return ret; | |
3893 | } | |
3894 | ||
21c9e160 AR |
3895 | /** |
3896 | * megasas_ld_list_query - Returns FW's ld_list structure | |
3897 | * @instance: Adapter soft state | |
3898 | * @ld_list: ld_list structure | |
3899 | * | |
3900 | * Issues an internal command (DCMD) to get the FW's controller PD | |
3901 | * list structure. This information is mainly used to find out SYSTEM | |
3902 | * supported by the FW. | |
3903 | */ | |
3904 | static int | |
3905 | megasas_ld_list_query(struct megasas_instance *instance, u8 query_type) | |
3906 | { | |
3907 | int ret = 0, ld_index = 0, ids = 0; | |
3908 | struct megasas_cmd *cmd; | |
3909 | struct megasas_dcmd_frame *dcmd; | |
3910 | struct MR_LD_TARGETID_LIST *ci; | |
3911 | dma_addr_t ci_h = 0; | |
94cd65dd | 3912 | u32 tgtid_count; |
21c9e160 AR |
3913 | |
3914 | cmd = megasas_get_cmd(instance); | |
3915 | ||
3916 | if (!cmd) { | |
3917 | printk(KERN_WARNING | |
3918 | "megasas:(megasas_ld_list_query): Failed to get cmd\n"); | |
3919 | return -ENOMEM; | |
3920 | } | |
3921 | ||
3922 | dcmd = &cmd->frame->dcmd; | |
3923 | ||
3924 | ci = pci_alloc_consistent(instance->pdev, | |
3925 | sizeof(struct MR_LD_TARGETID_LIST), &ci_h); | |
3926 | ||
3927 | if (!ci) { | |
3928 | printk(KERN_WARNING | |
3929 | "megasas: Failed to alloc mem for ld_list_query\n"); | |
3930 | megasas_return_cmd(instance, cmd); | |
3931 | return -ENOMEM; | |
3932 | } | |
3933 | ||
3934 | memset(ci, 0, sizeof(*ci)); | |
3935 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
3936 | ||
3937 | dcmd->mbox.b[0] = query_type; | |
51087a86 SS |
3938 | if (instance->supportmax256vd) |
3939 | dcmd->mbox.b[2] = 1; | |
21c9e160 AR |
3940 | |
3941 | dcmd->cmd = MFI_CMD_DCMD; | |
3942 | dcmd->cmd_status = 0xFF; | |
3943 | dcmd->sge_count = 1; | |
94cd65dd | 3944 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
21c9e160 | 3945 | dcmd->timeout = 0; |
94cd65dd SS |
3946 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_TARGETID_LIST)); |
3947 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_LIST_QUERY); | |
3948 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
3949 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_LD_TARGETID_LIST)); | |
21c9e160 AR |
3950 | dcmd->pad_0 = 0; |
3951 | ||
3952 | if (!megasas_issue_polled(instance, cmd) && !dcmd->cmd_status) { | |
3953 | ret = 0; | |
3954 | } else { | |
3955 | /* On failure, call older LD list DCMD */ | |
3956 | ret = 1; | |
3957 | } | |
3958 | ||
94cd65dd SS |
3959 | tgtid_count = le32_to_cpu(ci->count); |
3960 | ||
51087a86 | 3961 | if ((ret == 0) && (tgtid_count <= (instance->fw_supported_vd_count))) { |
21c9e160 | 3962 | memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); |
94cd65dd | 3963 | for (ld_index = 0; ld_index < tgtid_count; ld_index++) { |
21c9e160 AR |
3964 | ids = ci->targetId[ld_index]; |
3965 | instance->ld_ids[ids] = ci->targetId[ld_index]; | |
3966 | } | |
3967 | ||
3968 | } | |
3969 | ||
3970 | pci_free_consistent(instance->pdev, sizeof(struct MR_LD_TARGETID_LIST), | |
3971 | ci, ci_h); | |
3972 | ||
3973 | megasas_return_cmd(instance, cmd); | |
3974 | ||
3975 | return ret; | |
3976 | } | |
3977 | ||
c4a3e0a5 BS |
3978 | /** |
3979 | * megasas_get_controller_info - Returns FW's controller structure | |
3980 | * @instance: Adapter soft state | |
3981 | * @ctrl_info: Controller information structure | |
3982 | * | |
3983 | * Issues an internal command (DCMD) to get the FW's controller structure. | |
3984 | * This information is mainly used to find out the maximum IO transfer per | |
3985 | * command supported by the FW. | |
3986 | */ | |
51087a86 | 3987 | int |
c4a3e0a5 BS |
3988 | megasas_get_ctrl_info(struct megasas_instance *instance, |
3989 | struct megasas_ctrl_info *ctrl_info) | |
3990 | { | |
3991 | int ret = 0; | |
3992 | struct megasas_cmd *cmd; | |
3993 | struct megasas_dcmd_frame *dcmd; | |
3994 | struct megasas_ctrl_info *ci; | |
3995 | dma_addr_t ci_h = 0; | |
3996 | ||
3997 | cmd = megasas_get_cmd(instance); | |
3998 | ||
3999 | if (!cmd) { | |
4000 | printk(KERN_DEBUG "megasas: Failed to get a free cmd\n"); | |
4001 | return -ENOMEM; | |
4002 | } | |
4003 | ||
4004 | dcmd = &cmd->frame->dcmd; | |
4005 | ||
4006 | ci = pci_alloc_consistent(instance->pdev, | |
4007 | sizeof(struct megasas_ctrl_info), &ci_h); | |
4008 | ||
4009 | if (!ci) { | |
4010 | printk(KERN_DEBUG "Failed to alloc mem for ctrl info\n"); | |
4011 | megasas_return_cmd(instance, cmd); | |
4012 | return -ENOMEM; | |
4013 | } | |
4014 | ||
4015 | memset(ci, 0, sizeof(*ci)); | |
4016 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4017 | ||
4018 | dcmd->cmd = MFI_CMD_DCMD; | |
4019 | dcmd->cmd_status = 0xFF; | |
4020 | dcmd->sge_count = 1; | |
94cd65dd | 4021 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
c4a3e0a5 | 4022 | dcmd->timeout = 0; |
780a3762 | 4023 | dcmd->pad_0 = 0; |
94cd65dd SS |
4024 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_ctrl_info)); |
4025 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_GET_INFO); | |
4026 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
4027 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_ctrl_info)); | |
51087a86 | 4028 | dcmd->mbox.b[0] = 1; |
c4a3e0a5 BS |
4029 | |
4030 | if (!megasas_issue_polled(instance, cmd)) { | |
4031 | ret = 0; | |
4032 | memcpy(ctrl_info, ci, sizeof(struct megasas_ctrl_info)); | |
4033 | } else { | |
4034 | ret = -1; | |
4035 | } | |
4036 | ||
4037 | pci_free_consistent(instance->pdev, sizeof(struct megasas_ctrl_info), | |
4038 | ci, ci_h); | |
4039 | ||
4040 | megasas_return_cmd(instance, cmd); | |
4041 | return ret; | |
4042 | } | |
4043 | ||
fc62b3fc SS |
4044 | /* |
4045 | * megasas_set_crash_dump_params - Sends address of crash dump DMA buffer | |
4046 | * to firmware | |
4047 | * | |
4048 | * @instance: Adapter soft state | |
4049 | * @crash_buf_state - tell FW to turn ON/OFF crash dump feature | |
4050 | MR_CRASH_BUF_TURN_OFF = 0 | |
4051 | MR_CRASH_BUF_TURN_ON = 1 | |
4052 | * @return 0 on success non-zero on failure. | |
4053 | * Issues an internal command (DCMD) to set parameters for crash dump feature. | |
4054 | * Driver will send address of crash dump DMA buffer and set mbox to tell FW | |
4055 | * that driver supports crash dump feature. This DCMD will be sent only if | |
4056 | * crash dump feature is supported by the FW. | |
4057 | * | |
4058 | */ | |
4059 | int megasas_set_crash_dump_params(struct megasas_instance *instance, | |
4060 | u8 crash_buf_state) | |
4061 | { | |
4062 | int ret = 0; | |
4063 | struct megasas_cmd *cmd; | |
4064 | struct megasas_dcmd_frame *dcmd; | |
4065 | ||
4066 | cmd = megasas_get_cmd(instance); | |
4067 | ||
4068 | if (!cmd) { | |
4069 | dev_err(&instance->pdev->dev, "Failed to get a free cmd\n"); | |
4070 | return -ENOMEM; | |
4071 | } | |
4072 | ||
4073 | ||
4074 | dcmd = &cmd->frame->dcmd; | |
4075 | ||
4076 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4077 | dcmd->mbox.b[0] = crash_buf_state; | |
4078 | dcmd->cmd = MFI_CMD_DCMD; | |
4079 | dcmd->cmd_status = 0xFF; | |
4080 | dcmd->sge_count = 1; | |
4081 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); | |
4082 | dcmd->timeout = 0; | |
4083 | dcmd->pad_0 = 0; | |
4084 | dcmd->data_xfer_len = cpu_to_le32(CRASH_DMA_BUF_SIZE); | |
4085 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS); | |
4086 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->crash_dump_h); | |
4087 | dcmd->sgl.sge32[0].length = cpu_to_le32(CRASH_DMA_BUF_SIZE); | |
4088 | ||
4089 | if (!megasas_issue_polled(instance, cmd)) | |
4090 | ret = 0; | |
4091 | else | |
4092 | ret = -1; | |
4093 | megasas_return_cmd(instance, cmd); | |
4094 | return ret; | |
4095 | } | |
4096 | ||
31ea7088 | 4097 | /** |
4098 | * megasas_issue_init_mfi - Initializes the FW | |
4099 | * @instance: Adapter soft state | |
4100 | * | |
4101 | * Issues the INIT MFI cmd | |
4102 | */ | |
4103 | static int | |
4104 | megasas_issue_init_mfi(struct megasas_instance *instance) | |
4105 | { | |
4106 | u32 context; | |
4107 | ||
4108 | struct megasas_cmd *cmd; | |
4109 | ||
4110 | struct megasas_init_frame *init_frame; | |
4111 | struct megasas_init_queue_info *initq_info; | |
4112 | dma_addr_t init_frame_h; | |
4113 | dma_addr_t initq_info_h; | |
4114 | ||
4115 | /* | |
4116 | * Prepare a init frame. Note the init frame points to queue info | |
4117 | * structure. Each frame has SGL allocated after first 64 bytes. For | |
4118 | * this frame - since we don't need any SGL - we use SGL's space as | |
4119 | * queue info structure | |
4120 | * | |
4121 | * We will not get a NULL command below. We just created the pool. | |
4122 | */ | |
4123 | cmd = megasas_get_cmd(instance); | |
4124 | ||
4125 | init_frame = (struct megasas_init_frame *)cmd->frame; | |
4126 | initq_info = (struct megasas_init_queue_info *) | |
4127 | ((unsigned long)init_frame + 64); | |
4128 | ||
4129 | init_frame_h = cmd->frame_phys_addr; | |
4130 | initq_info_h = init_frame_h + 64; | |
4131 | ||
4132 | context = init_frame->context; | |
4133 | memset(init_frame, 0, MEGAMFI_FRAME_SIZE); | |
4134 | memset(initq_info, 0, sizeof(struct megasas_init_queue_info)); | |
4135 | init_frame->context = context; | |
4136 | ||
94cd65dd SS |
4137 | initq_info->reply_queue_entries = cpu_to_le32(instance->max_fw_cmds + 1); |
4138 | initq_info->reply_queue_start_phys_addr_lo = cpu_to_le32(instance->reply_queue_h); | |
31ea7088 | 4139 | |
94cd65dd SS |
4140 | initq_info->producer_index_phys_addr_lo = cpu_to_le32(instance->producer_h); |
4141 | initq_info->consumer_index_phys_addr_lo = cpu_to_le32(instance->consumer_h); | |
31ea7088 | 4142 | |
4143 | init_frame->cmd = MFI_CMD_INIT; | |
4144 | init_frame->cmd_status = 0xFF; | |
94cd65dd SS |
4145 | init_frame->queue_info_new_phys_addr_lo = |
4146 | cpu_to_le32(lower_32_bits(initq_info_h)); | |
4147 | init_frame->queue_info_new_phys_addr_hi = | |
4148 | cpu_to_le32(upper_32_bits(initq_info_h)); | |
31ea7088 | 4149 | |
94cd65dd | 4150 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct megasas_init_queue_info)); |
31ea7088 | 4151 | |
4152 | /* | |
4153 | * disable the intr before firing the init frame to FW | |
4154 | */ | |
d46a3ad6 | 4155 | instance->instancet->disable_intr(instance); |
31ea7088 | 4156 | |
4157 | /* | |
4158 | * Issue the init frame in polled mode | |
4159 | */ | |
4160 | ||
4161 | if (megasas_issue_polled(instance, cmd)) { | |
4162 | printk(KERN_ERR "megasas: Failed to init firmware\n"); | |
4163 | megasas_return_cmd(instance, cmd); | |
4164 | goto fail_fw_init; | |
4165 | } | |
4166 | ||
4167 | megasas_return_cmd(instance, cmd); | |
4168 | ||
4169 | return 0; | |
4170 | ||
4171 | fail_fw_init: | |
4172 | return -EINVAL; | |
4173 | } | |
4174 | ||
cd50ba8e AR |
4175 | static u32 |
4176 | megasas_init_adapter_mfi(struct megasas_instance *instance) | |
c4a3e0a5 | 4177 | { |
cd50ba8e | 4178 | struct megasas_register_set __iomem *reg_set; |
c4a3e0a5 BS |
4179 | u32 context_sz; |
4180 | u32 reply_q_sz; | |
c4a3e0a5 BS |
4181 | |
4182 | reg_set = instance->reg_set; | |
4183 | ||
c4a3e0a5 BS |
4184 | /* |
4185 | * Get various operational parameters from status register | |
4186 | */ | |
1341c939 | 4187 | instance->max_fw_cmds = instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; |
e3bbff9f SP |
4188 | /* |
4189 | * Reduce the max supported cmds by 1. This is to ensure that the | |
4190 | * reply_q_sz (1 more than the max cmd that driver may send) | |
4191 | * does not exceed max cmds that the FW can support | |
4192 | */ | |
4193 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
9c915a8c | 4194 | instance->max_mfi_cmds = instance->max_fw_cmds; |
0d49016b | 4195 | instance->max_num_sge = (instance->instancet->read_fw_status_reg(reg_set) & 0xFF0000) >> |
1341c939 | 4196 | 0x10; |
c4a3e0a5 BS |
4197 | /* |
4198 | * Create a pool of commands | |
4199 | */ | |
4200 | if (megasas_alloc_cmds(instance)) | |
4201 | goto fail_alloc_cmds; | |
4202 | ||
4203 | /* | |
4204 | * Allocate memory for reply queue. Length of reply queue should | |
4205 | * be _one_ more than the maximum commands handled by the firmware. | |
4206 | * | |
4207 | * Note: When FW completes commands, it places corresponding contex | |
4208 | * values in this circular reply queue. This circular queue is a fairly | |
4209 | * typical producer-consumer queue. FW is the producer (of completed | |
4210 | * commands) and the driver is the consumer. | |
4211 | */ | |
4212 | context_sz = sizeof(u32); | |
4213 | reply_q_sz = context_sz * (instance->max_fw_cmds + 1); | |
4214 | ||
4215 | instance->reply_queue = pci_alloc_consistent(instance->pdev, | |
4216 | reply_q_sz, | |
4217 | &instance->reply_queue_h); | |
4218 | ||
4219 | if (!instance->reply_queue) { | |
4220 | printk(KERN_DEBUG "megasas: Out of DMA mem for reply queue\n"); | |
4221 | goto fail_reply_queue; | |
4222 | } | |
4223 | ||
31ea7088 | 4224 | if (megasas_issue_init_mfi(instance)) |
c4a3e0a5 | 4225 | goto fail_fw_init; |
c4a3e0a5 | 4226 | |
51087a86 SS |
4227 | if (megasas_get_ctrl_info(instance, instance->ctrl_info)) { |
4228 | dev_err(&instance->pdev->dev, "(%d): Could get controller info " | |
4229 | "Fail from %s %d\n", instance->unique_id, | |
4230 | __func__, __LINE__); | |
4231 | goto fail_fw_init; | |
4232 | } | |
4233 | ||
39a98554 | 4234 | instance->fw_support_ieee = 0; |
4235 | instance->fw_support_ieee = | |
4236 | (instance->instancet->read_fw_status_reg(reg_set) & | |
4237 | 0x04000000); | |
4238 | ||
4239 | printk(KERN_NOTICE "megasas_init_mfi: fw_support_ieee=%d", | |
4240 | instance->fw_support_ieee); | |
4241 | ||
4242 | if (instance->fw_support_ieee) | |
4243 | instance->flag_ieee = 1; | |
4244 | ||
cd50ba8e AR |
4245 | return 0; |
4246 | ||
4247 | fail_fw_init: | |
4248 | ||
4249 | pci_free_consistent(instance->pdev, reply_q_sz, | |
4250 | instance->reply_queue, instance->reply_queue_h); | |
4251 | fail_reply_queue: | |
4252 | megasas_free_cmds(instance); | |
4253 | ||
4254 | fail_alloc_cmds: | |
cd50ba8e AR |
4255 | return 1; |
4256 | } | |
4257 | ||
4258 | /** | |
4259 | * megasas_init_fw - Initializes the FW | |
4260 | * @instance: Adapter soft state | |
4261 | * | |
4262 | * This is the main function for initializing firmware | |
4263 | */ | |
4264 | ||
4265 | static int megasas_init_fw(struct megasas_instance *instance) | |
4266 | { | |
4267 | u32 max_sectors_1; | |
4268 | u32 max_sectors_2; | |
d46a3ad6 | 4269 | u32 tmp_sectors, msix_enable, scratch_pad_2; |
11f8a7b3 | 4270 | resource_size_t base_addr; |
cd50ba8e | 4271 | struct megasas_register_set __iomem *reg_set; |
51087a86 | 4272 | struct megasas_ctrl_info *ctrl_info = NULL; |
cd50ba8e | 4273 | unsigned long bar_list; |
d46a3ad6 | 4274 | int i, loop, fw_msix_count = 0; |
229fe47c | 4275 | struct IOV_111 *iovPtr; |
cd50ba8e AR |
4276 | |
4277 | /* Find first memory bar */ | |
4278 | bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM); | |
4279 | instance->bar = find_first_bit(&bar_list, sizeof(unsigned long)); | |
cd50ba8e AR |
4280 | if (pci_request_selected_regions(instance->pdev, instance->bar, |
4281 | "megasas: LSI")) { | |
4282 | printk(KERN_DEBUG "megasas: IO memory region busy!\n"); | |
4283 | return -EBUSY; | |
4284 | } | |
4285 | ||
11f8a7b3 BC |
4286 | base_addr = pci_resource_start(instance->pdev, instance->bar); |
4287 | instance->reg_set = ioremap_nocache(base_addr, 8192); | |
cd50ba8e AR |
4288 | |
4289 | if (!instance->reg_set) { | |
4290 | printk(KERN_DEBUG "megasas: Failed to map IO mem\n"); | |
4291 | goto fail_ioremap; | |
4292 | } | |
4293 | ||
4294 | reg_set = instance->reg_set; | |
4295 | ||
4296 | switch (instance->pdev->device) { | |
9c915a8c | 4297 | case PCI_DEVICE_ID_LSI_FUSION: |
229fe47c | 4298 | case PCI_DEVICE_ID_LSI_PLASMA: |
36807e67 | 4299 | case PCI_DEVICE_ID_LSI_INVADER: |
21d3c710 | 4300 | case PCI_DEVICE_ID_LSI_FURY: |
9c915a8c AR |
4301 | instance->instancet = &megasas_instance_template_fusion; |
4302 | break; | |
cd50ba8e AR |
4303 | case PCI_DEVICE_ID_LSI_SAS1078R: |
4304 | case PCI_DEVICE_ID_LSI_SAS1078DE: | |
4305 | instance->instancet = &megasas_instance_template_ppc; | |
4306 | break; | |
4307 | case PCI_DEVICE_ID_LSI_SAS1078GEN2: | |
4308 | case PCI_DEVICE_ID_LSI_SAS0079GEN2: | |
4309 | instance->instancet = &megasas_instance_template_gen2; | |
4310 | break; | |
4311 | case PCI_DEVICE_ID_LSI_SAS0073SKINNY: | |
4312 | case PCI_DEVICE_ID_LSI_SAS0071SKINNY: | |
4313 | instance->instancet = &megasas_instance_template_skinny; | |
4314 | break; | |
4315 | case PCI_DEVICE_ID_LSI_SAS1064R: | |
4316 | case PCI_DEVICE_ID_DELL_PERC5: | |
4317 | default: | |
4318 | instance->instancet = &megasas_instance_template_xscale; | |
4319 | break; | |
4320 | } | |
4321 | ||
6431f5d7 SS |
4322 | if (megasas_transition_to_ready(instance, 0)) { |
4323 | atomic_set(&instance->fw_reset_no_pci_access, 1); | |
4324 | instance->instancet->adp_reset | |
4325 | (instance, instance->reg_set); | |
4326 | atomic_set(&instance->fw_reset_no_pci_access, 0); | |
4327 | dev_info(&instance->pdev->dev, | |
4328 | "megasas: FW restarted successfully from %s!\n", | |
4329 | __func__); | |
4330 | ||
4331 | /*waitting for about 30 second before retry*/ | |
4332 | ssleep(30); | |
4333 | ||
4334 | if (megasas_transition_to_ready(instance, 0)) | |
4335 | goto fail_ready_state; | |
4336 | } | |
cd50ba8e | 4337 | |
d46a3ad6 SS |
4338 | /* |
4339 | * MSI-X host index 0 is common for all adapter. | |
4340 | * It is used for all MPT based Adapters. | |
4341 | */ | |
4342 | instance->reply_post_host_index_addr[0] = | |
4343 | (u32 *)((u8 *)instance->reg_set + | |
4344 | MPI2_REPLY_POST_HOST_INDEX_OFFSET); | |
4345 | ||
3f1abce4 AR |
4346 | /* Check if MSI-X is supported while in ready state */ |
4347 | msix_enable = (instance->instancet->read_fw_status_reg(reg_set) & | |
4348 | 0x4000000) >> 0x1a; | |
c8e858fe | 4349 | if (msix_enable && !msix_disable) { |
d46a3ad6 SS |
4350 | scratch_pad_2 = readl |
4351 | (&instance->reg_set->outbound_scratch_pad_2); | |
c8e858fe | 4352 | /* Check max MSI-X vectors */ |
229fe47c AR |
4353 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || |
4354 | (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA)) { | |
d46a3ad6 SS |
4355 | instance->msix_vectors = (scratch_pad_2 |
4356 | & MR_MAX_REPLY_QUEUES_OFFSET) + 1; | |
4357 | fw_msix_count = instance->msix_vectors; | |
079eaddf AR |
4358 | if (msix_vectors) |
4359 | instance->msix_vectors = | |
4360 | min(msix_vectors, | |
4361 | instance->msix_vectors); | |
d46a3ad6 SS |
4362 | } else if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) |
4363 | || (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
4364 | /* Invader/Fury supports more than 8 MSI-X */ | |
4365 | instance->msix_vectors = ((scratch_pad_2 | |
4366 | & MR_MAX_REPLY_QUEUES_EXT_OFFSET) | |
4367 | >> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1; | |
4368 | fw_msix_count = instance->msix_vectors; | |
4369 | /* Save 1-15 reply post index address to local memory | |
4370 | * Index 0 is already saved from reg offset | |
4371 | * MPI2_REPLY_POST_HOST_INDEX_OFFSET | |
4372 | */ | |
4373 | for (loop = 1; loop < MR_MAX_MSIX_REG_ARRAY; loop++) { | |
4374 | instance->reply_post_host_index_addr[loop] = | |
4375 | (u32 *)((u8 *)instance->reg_set + | |
4376 | MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET | |
4377 | + (loop * 0x10)); | |
4378 | } | |
4379 | if (msix_vectors) | |
4380 | instance->msix_vectors = min(msix_vectors, | |
4381 | instance->msix_vectors); | |
c8e858fe AR |
4382 | } else |
4383 | instance->msix_vectors = 1; | |
4384 | /* Don't bother allocating more MSI-X vectors than cpus */ | |
4385 | instance->msix_vectors = min(instance->msix_vectors, | |
4386 | (unsigned int)num_online_cpus()); | |
4387 | for (i = 0; i < instance->msix_vectors; i++) | |
4388 | instance->msixentry[i].entry = i; | |
8ae80ed1 AG |
4389 | i = pci_enable_msix_range(instance->pdev, instance->msixentry, |
4390 | 1, instance->msix_vectors); | |
4391 | if (i) | |
4392 | instance->msix_vectors = i; | |
4393 | else | |
c8e858fe | 4394 | instance->msix_vectors = 0; |
d46a3ad6 SS |
4395 | |
4396 | dev_info(&instance->pdev->dev, "[scsi%d]: FW supports" | |
4397 | "<%d> MSIX vector,Online CPUs: <%d>," | |
4398 | "Current MSIX <%d>\n", instance->host->host_no, | |
4399 | fw_msix_count, (unsigned int)num_online_cpus(), | |
4400 | instance->msix_vectors); | |
c8e858fe | 4401 | } |
3f1abce4 | 4402 | |
51087a86 SS |
4403 | instance->ctrl_info = kzalloc(sizeof(struct megasas_ctrl_info), |
4404 | GFP_KERNEL); | |
4405 | if (instance->ctrl_info == NULL) | |
4406 | goto fail_init_adapter; | |
4407 | ||
4408 | /* | |
4409 | * Below are default value for legacy Firmware. | |
4410 | * non-fusion based controllers | |
4411 | */ | |
4412 | instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES; | |
4413 | instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES; | |
cd50ba8e AR |
4414 | /* Get operational params, sge flags, send init cmd to controller */ |
4415 | if (instance->instancet->init_adapter(instance)) | |
eb1b1237 | 4416 | goto fail_init_adapter; |
cd50ba8e AR |
4417 | |
4418 | printk(KERN_ERR "megasas: INIT adapter done\n"); | |
4419 | ||
39a98554 | 4420 | /** for passthrough |
4421 | * the following function will get the PD LIST. | |
4422 | */ | |
4423 | ||
81e403ce YB |
4424 | memset(instance->pd_list, 0 , |
4425 | (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list))); | |
58968fc8 HR |
4426 | if (megasas_get_pd_list(instance) < 0) { |
4427 | printk(KERN_ERR "megasas: failed to get PD list\n"); | |
4428 | goto fail_init_adapter; | |
4429 | } | |
81e403ce | 4430 | |
bdc6fb8d | 4431 | memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); |
21c9e160 AR |
4432 | if (megasas_ld_list_query(instance, |
4433 | MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) | |
4434 | megasas_get_ld_list(instance); | |
bdc6fb8d | 4435 | |
c4a3e0a5 BS |
4436 | /* |
4437 | * Compute the max allowed sectors per IO: The controller info has two | |
4438 | * limits on max sectors. Driver should use the minimum of these two. | |
4439 | * | |
4440 | * 1 << stripe_sz_ops.min = max sectors per strip | |
4441 | * | |
4442 | * Note that older firmwares ( < FW ver 30) didn't report information | |
4443 | * to calculate max_sectors_1. So the number ended up as zero always. | |
4444 | */ | |
14faea9f | 4445 | tmp_sectors = 0; |
51087a86 | 4446 | ctrl_info = instance->ctrl_info; |
c4a3e0a5 | 4447 | |
51087a86 SS |
4448 | max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) * |
4449 | le16_to_cpu(ctrl_info->max_strips_per_io); | |
4450 | max_sectors_2 = le32_to_cpu(ctrl_info->max_request_size); | |
404a8a1a | 4451 | |
51087a86 | 4452 | tmp_sectors = min_t(u32, max_sectors_1 , max_sectors_2); |
bc93d425 | 4453 | |
51087a86 SS |
4454 | /*Check whether controller is iMR or MR */ |
4455 | if (ctrl_info->memory_size) { | |
4456 | instance->is_imr = 0; | |
4457 | dev_info(&instance->pdev->dev, "Controller type: MR," | |
4458 | "Memory size is: %dMB\n", | |
4459 | le16_to_cpu(ctrl_info->memory_size)); | |
4460 | } else { | |
4461 | instance->is_imr = 1; | |
4462 | dev_info(&instance->pdev->dev, | |
4463 | "Controller type: iMR\n"); | |
4464 | } | |
4465 | /* OnOffProperties are converted into CPU arch*/ | |
4466 | le32_to_cpus((u32 *)&ctrl_info->properties.OnOffProperties); | |
4467 | instance->disableOnlineCtrlReset = | |
4468 | ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset; | |
4469 | /* adapterOperations2 are converted into CPU arch*/ | |
4470 | le32_to_cpus((u32 *)&ctrl_info->adapterOperations2); | |
4471 | instance->mpio = ctrl_info->adapterOperations2.mpio; | |
4472 | instance->UnevenSpanSupport = | |
4473 | ctrl_info->adapterOperations2.supportUnevenSpans; | |
4474 | if (instance->UnevenSpanSupport) { | |
4475 | struct fusion_context *fusion = instance->ctrl_context; | |
4476 | ||
4477 | dev_info(&instance->pdev->dev, "FW supports: " | |
4478 | "UnevenSpanSupport=%x\n", instance->UnevenSpanSupport); | |
4479 | if (MR_ValidateMapInfo(instance)) | |
4480 | fusion->fast_path_io = 1; | |
4481 | else | |
4482 | fusion->fast_path_io = 0; | |
fc62b3fc | 4483 | |
51087a86 SS |
4484 | } |
4485 | if (ctrl_info->host_interface.SRIOV) { | |
4486 | if (!ctrl_info->adapterOperations2.activePassive) | |
4487 | instance->PlasmaFW111 = 1; | |
fc62b3fc | 4488 | |
51087a86 SS |
4489 | if (!instance->PlasmaFW111) |
4490 | instance->requestorId = | |
4491 | ctrl_info->iov.requestorId; | |
4492 | else { | |
4493 | iovPtr = (struct IOV_111 *)((unsigned char *)ctrl_info + IOV_111_OFFSET); | |
4494 | instance->requestorId = iovPtr->requestorId; | |
fc62b3fc | 4495 | } |
51087a86 SS |
4496 | dev_warn(&instance->pdev->dev, "I am VF " |
4497 | "requestorId %d\n", instance->requestorId); | |
4498 | } | |
4499 | ||
4500 | le32_to_cpus((u32 *)&ctrl_info->adapterOperations3); | |
4501 | instance->crash_dump_fw_support = | |
4502 | ctrl_info->adapterOperations3.supportCrashDump; | |
4503 | instance->crash_dump_drv_support = | |
4504 | (instance->crash_dump_fw_support && | |
4505 | instance->crash_dump_buf); | |
4506 | if (instance->crash_dump_drv_support) { | |
4507 | dev_info(&instance->pdev->dev, "Firmware Crash dump " | |
4508 | "feature is supported\n"); | |
4509 | megasas_set_crash_dump_params(instance, | |
4510 | MR_CRASH_BUF_TURN_OFF); | |
4511 | ||
4512 | } else { | |
4513 | if (instance->crash_dump_buf) | |
4514 | pci_free_consistent(instance->pdev, | |
4515 | CRASH_DMA_BUF_SIZE, | |
4516 | instance->crash_dump_buf, | |
4517 | instance->crash_dump_h); | |
4518 | instance->crash_dump_buf = NULL; | |
14faea9f | 4519 | } |
14faea9f | 4520 | instance->max_sectors_per_req = instance->max_num_sge * |
4521 | PAGE_SIZE / 512; | |
4522 | if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors)) | |
4523 | instance->max_sectors_per_req = tmp_sectors; | |
c4a3e0a5 BS |
4524 | |
4525 | kfree(ctrl_info); | |
4526 | ||
c5daa6a9 | 4527 | /* Check for valid throttlequeuedepth module parameter */ |
404a8a1a | 4528 | if (instance->is_imr) { |
c5daa6a9 AR |
4529 | if (throttlequeuedepth > (instance->max_fw_cmds - |
4530 | MEGASAS_SKINNY_INT_CMDS)) | |
4531 | instance->throttlequeuedepth = | |
4532 | MEGASAS_THROTTLE_QUEUE_DEPTH; | |
4533 | else | |
4534 | instance->throttlequeuedepth = throttlequeuedepth; | |
4535 | } else { | |
4536 | if (throttlequeuedepth > (instance->max_fw_cmds - | |
4537 | MEGASAS_INT_CMDS)) | |
4538 | instance->throttlequeuedepth = | |
4539 | MEGASAS_THROTTLE_QUEUE_DEPTH; | |
4540 | else | |
4541 | instance->throttlequeuedepth = throttlequeuedepth; | |
4542 | } | |
4543 | ||
5d018ad0 SP |
4544 | /* |
4545 | * Setup tasklet for cmd completion | |
4546 | */ | |
4547 | ||
f86c5424 | 4548 | tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, |
ad84db2e | 4549 | (unsigned long)instance); |
4550 | ||
229fe47c AR |
4551 | /* Launch SR-IOV heartbeat timer */ |
4552 | if (instance->requestorId) { | |
4553 | if (!megasas_sriov_start_heartbeat(instance, 1)) | |
4554 | megasas_start_timer(instance, | |
4555 | &instance->sriov_heartbeat_timer, | |
4556 | megasas_sriov_heartbeat_handler, | |
4557 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
4558 | else | |
4559 | instance->skip_heartbeat_timer_del = 1; | |
4560 | } | |
4561 | ||
c4a3e0a5 BS |
4562 | return 0; |
4563 | ||
eb1b1237 | 4564 | fail_init_adapter: |
cd50ba8e | 4565 | fail_ready_state: |
51087a86 SS |
4566 | kfree(instance->ctrl_info); |
4567 | instance->ctrl_info = NULL; | |
c4a3e0a5 BS |
4568 | iounmap(instance->reg_set); |
4569 | ||
4570 | fail_ioremap: | |
b6d5d880 | 4571 | pci_release_selected_regions(instance->pdev, instance->bar); |
c4a3e0a5 BS |
4572 | |
4573 | return -EINVAL; | |
4574 | } | |
4575 | ||
4576 | /** | |
4577 | * megasas_release_mfi - Reverses the FW initialization | |
4578 | * @intance: Adapter soft state | |
4579 | */ | |
4580 | static void megasas_release_mfi(struct megasas_instance *instance) | |
4581 | { | |
9c915a8c | 4582 | u32 reply_q_sz = sizeof(u32) *(instance->max_mfi_cmds + 1); |
c4a3e0a5 | 4583 | |
9c915a8c AR |
4584 | if (instance->reply_queue) |
4585 | pci_free_consistent(instance->pdev, reply_q_sz, | |
c4a3e0a5 BS |
4586 | instance->reply_queue, instance->reply_queue_h); |
4587 | ||
4588 | megasas_free_cmds(instance); | |
4589 | ||
4590 | iounmap(instance->reg_set); | |
4591 | ||
b6d5d880 | 4592 | pci_release_selected_regions(instance->pdev, instance->bar); |
c4a3e0a5 BS |
4593 | } |
4594 | ||
4595 | /** | |
4596 | * megasas_get_seq_num - Gets latest event sequence numbers | |
4597 | * @instance: Adapter soft state | |
4598 | * @eli: FW event log sequence numbers information | |
4599 | * | |
4600 | * FW maintains a log of all events in a non-volatile area. Upper layers would | |
4601 | * usually find out the latest sequence number of the events, the seq number at | |
4602 | * the boot etc. They would "read" all the events below the latest seq number | |
4603 | * by issuing a direct fw cmd (DCMD). For the future events (beyond latest seq | |
4604 | * number), they would subsribe to AEN (asynchronous event notification) and | |
4605 | * wait for the events to happen. | |
4606 | */ | |
4607 | static int | |
4608 | megasas_get_seq_num(struct megasas_instance *instance, | |
4609 | struct megasas_evt_log_info *eli) | |
4610 | { | |
4611 | struct megasas_cmd *cmd; | |
4612 | struct megasas_dcmd_frame *dcmd; | |
4613 | struct megasas_evt_log_info *el_info; | |
4614 | dma_addr_t el_info_h = 0; | |
4615 | ||
4616 | cmd = megasas_get_cmd(instance); | |
4617 | ||
4618 | if (!cmd) { | |
4619 | return -ENOMEM; | |
4620 | } | |
4621 | ||
4622 | dcmd = &cmd->frame->dcmd; | |
4623 | el_info = pci_alloc_consistent(instance->pdev, | |
4624 | sizeof(struct megasas_evt_log_info), | |
4625 | &el_info_h); | |
4626 | ||
4627 | if (!el_info) { | |
4628 | megasas_return_cmd(instance, cmd); | |
4629 | return -ENOMEM; | |
4630 | } | |
4631 | ||
4632 | memset(el_info, 0, sizeof(*el_info)); | |
4633 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4634 | ||
4635 | dcmd->cmd = MFI_CMD_DCMD; | |
4636 | dcmd->cmd_status = 0x0; | |
4637 | dcmd->sge_count = 1; | |
94cd65dd | 4638 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
c4a3e0a5 | 4639 | dcmd->timeout = 0; |
780a3762 | 4640 | dcmd->pad_0 = 0; |
94cd65dd SS |
4641 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_log_info)); |
4642 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_GET_INFO); | |
4643 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(el_info_h); | |
4644 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_evt_log_info)); | |
c4a3e0a5 | 4645 | |
cfbe7554 SS |
4646 | if (megasas_issue_blocked_cmd(instance, cmd, 30)) |
4647 | dev_err(&instance->pdev->dev, "Command timedout" | |
4648 | "from %s\n", __func__); | |
4649 | else { | |
4650 | /* | |
4651 | * Copy the data back into callers buffer | |
4652 | */ | |
4653 | eli->newest_seq_num = le32_to_cpu(el_info->newest_seq_num); | |
4654 | eli->oldest_seq_num = le32_to_cpu(el_info->oldest_seq_num); | |
4655 | eli->clear_seq_num = le32_to_cpu(el_info->clear_seq_num); | |
4656 | eli->shutdown_seq_num = le32_to_cpu(el_info->shutdown_seq_num); | |
4657 | eli->boot_seq_num = le32_to_cpu(el_info->boot_seq_num); | |
4658 | } | |
c4a3e0a5 BS |
4659 | |
4660 | pci_free_consistent(instance->pdev, sizeof(struct megasas_evt_log_info), | |
4661 | el_info, el_info_h); | |
4662 | ||
4663 | megasas_return_cmd(instance, cmd); | |
4664 | ||
4665 | return 0; | |
4666 | } | |
4667 | ||
4668 | /** | |
4669 | * megasas_register_aen - Registers for asynchronous event notification | |
4670 | * @instance: Adapter soft state | |
4671 | * @seq_num: The starting sequence number | |
4672 | * @class_locale: Class of the event | |
4673 | * | |
4674 | * This function subscribes for AEN for events beyond the @seq_num. It requests | |
4675 | * to be notified if and only if the event is of type @class_locale | |
4676 | */ | |
4677 | static int | |
4678 | megasas_register_aen(struct megasas_instance *instance, u32 seq_num, | |
4679 | u32 class_locale_word) | |
4680 | { | |
4681 | int ret_val; | |
4682 | struct megasas_cmd *cmd; | |
4683 | struct megasas_dcmd_frame *dcmd; | |
4684 | union megasas_evt_class_locale curr_aen; | |
4685 | union megasas_evt_class_locale prev_aen; | |
4686 | ||
4687 | /* | |
4688 | * If there an AEN pending already (aen_cmd), check if the | |
4689 | * class_locale of that pending AEN is inclusive of the new | |
4690 | * AEN request we currently have. If it is, then we don't have | |
4691 | * to do anything. In other words, whichever events the current | |
4692 | * AEN request is subscribing to, have already been subscribed | |
4693 | * to. | |
4694 | * | |
4695 | * If the old_cmd is _not_ inclusive, then we have to abort | |
4696 | * that command, form a class_locale that is superset of both | |
4697 | * old and current and re-issue to the FW | |
4698 | */ | |
4699 | ||
4700 | curr_aen.word = class_locale_word; | |
4701 | ||
4702 | if (instance->aen_cmd) { | |
4703 | ||
4704 | prev_aen.word = instance->aen_cmd->frame->dcmd.mbox.w[1]; | |
94cd65dd | 4705 | prev_aen.members.locale = le16_to_cpu(prev_aen.members.locale); |
c4a3e0a5 BS |
4706 | |
4707 | /* | |
4708 | * A class whose enum value is smaller is inclusive of all | |
4709 | * higher values. If a PROGRESS (= -1) was previously | |
4710 | * registered, then a new registration requests for higher | |
4711 | * classes need not be sent to FW. They are automatically | |
4712 | * included. | |
4713 | * | |
4714 | * Locale numbers don't have such hierarchy. They are bitmap | |
4715 | * values | |
4716 | */ | |
4717 | if ((prev_aen.members.class <= curr_aen.members.class) && | |
3993a862 | 4718 | !((prev_aen.members.locale & curr_aen.members.locale) ^ |
c4a3e0a5 BS |
4719 | curr_aen.members.locale)) { |
4720 | /* | |
4721 | * Previously issued event registration includes | |
4722 | * current request. Nothing to do. | |
4723 | */ | |
4724 | return 0; | |
4725 | } else { | |
3993a862 | 4726 | curr_aen.members.locale |= prev_aen.members.locale; |
c4a3e0a5 BS |
4727 | |
4728 | if (prev_aen.members.class < curr_aen.members.class) | |
4729 | curr_aen.members.class = prev_aen.members.class; | |
4730 | ||
4731 | instance->aen_cmd->abort_aen = 1; | |
4732 | ret_val = megasas_issue_blocked_abort_cmd(instance, | |
4733 | instance-> | |
cfbe7554 | 4734 | aen_cmd, 30); |
c4a3e0a5 BS |
4735 | |
4736 | if (ret_val) { | |
4737 | printk(KERN_DEBUG "megasas: Failed to abort " | |
4738 | "previous AEN command\n"); | |
4739 | return ret_val; | |
4740 | } | |
4741 | } | |
4742 | } | |
4743 | ||
4744 | cmd = megasas_get_cmd(instance); | |
4745 | ||
4746 | if (!cmd) | |
4747 | return -ENOMEM; | |
4748 | ||
4749 | dcmd = &cmd->frame->dcmd; | |
4750 | ||
4751 | memset(instance->evt_detail, 0, sizeof(struct megasas_evt_detail)); | |
4752 | ||
4753 | /* | |
4754 | * Prepare DCMD for aen registration | |
4755 | */ | |
4756 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4757 | ||
4758 | dcmd->cmd = MFI_CMD_DCMD; | |
4759 | dcmd->cmd_status = 0x0; | |
4760 | dcmd->sge_count = 1; | |
94cd65dd | 4761 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
c4a3e0a5 | 4762 | dcmd->timeout = 0; |
780a3762 | 4763 | dcmd->pad_0 = 0; |
94cd65dd SS |
4764 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_detail)); |
4765 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_WAIT); | |
4766 | dcmd->mbox.w[0] = cpu_to_le32(seq_num); | |
39a98554 | 4767 | instance->last_seq_num = seq_num; |
94cd65dd SS |
4768 | dcmd->mbox.w[1] = cpu_to_le32(curr_aen.word); |
4769 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->evt_detail_h); | |
4770 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_evt_detail)); | |
c4a3e0a5 | 4771 | |
f4c9a131 YB |
4772 | if (instance->aen_cmd != NULL) { |
4773 | megasas_return_cmd(instance, cmd); | |
4774 | return 0; | |
4775 | } | |
4776 | ||
c4a3e0a5 BS |
4777 | /* |
4778 | * Store reference to the cmd used to register for AEN. When an | |
4779 | * application wants us to register for AEN, we have to abort this | |
4780 | * cmd and re-register with a new EVENT LOCALE supplied by that app | |
4781 | */ | |
4782 | instance->aen_cmd = cmd; | |
4783 | ||
4784 | /* | |
4785 | * Issue the aen registration frame | |
4786 | */ | |
9c915a8c | 4787 | instance->instancet->issue_dcmd(instance, cmd); |
c4a3e0a5 BS |
4788 | |
4789 | return 0; | |
4790 | } | |
4791 | ||
4792 | /** | |
4793 | * megasas_start_aen - Subscribes to AEN during driver load time | |
4794 | * @instance: Adapter soft state | |
4795 | */ | |
4796 | static int megasas_start_aen(struct megasas_instance *instance) | |
4797 | { | |
4798 | struct megasas_evt_log_info eli; | |
4799 | union megasas_evt_class_locale class_locale; | |
4800 | ||
4801 | /* | |
4802 | * Get the latest sequence number from FW | |
4803 | */ | |
4804 | memset(&eli, 0, sizeof(eli)); | |
4805 | ||
4806 | if (megasas_get_seq_num(instance, &eli)) | |
4807 | return -1; | |
4808 | ||
4809 | /* | |
4810 | * Register AEN with FW for latest sequence number plus 1 | |
4811 | */ | |
4812 | class_locale.members.reserved = 0; | |
4813 | class_locale.members.locale = MR_EVT_LOCALE_ALL; | |
4814 | class_locale.members.class = MR_EVT_CLASS_DEBUG; | |
4815 | ||
94cd65dd | 4816 | return megasas_register_aen(instance, |
3993a862 | 4817 | eli.newest_seq_num + 1, |
94cd65dd | 4818 | class_locale.word); |
c4a3e0a5 BS |
4819 | } |
4820 | ||
4821 | /** | |
4822 | * megasas_io_attach - Attaches this driver to SCSI mid-layer | |
4823 | * @instance: Adapter soft state | |
4824 | */ | |
4825 | static int megasas_io_attach(struct megasas_instance *instance) | |
4826 | { | |
4827 | struct Scsi_Host *host = instance->host; | |
4828 | ||
4829 | /* | |
4830 | * Export parameters required by SCSI mid-layer | |
4831 | */ | |
4832 | host->irq = instance->pdev->irq; | |
4833 | host->unique_id = instance->unique_id; | |
404a8a1a | 4834 | if (instance->is_imr) { |
7bebf5c7 YB |
4835 | host->can_queue = |
4836 | instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS; | |
4837 | } else | |
4838 | host->can_queue = | |
4839 | instance->max_fw_cmds - MEGASAS_INT_CMDS; | |
c4a3e0a5 BS |
4840 | host->this_id = instance->init_id; |
4841 | host->sg_tablesize = instance->max_num_sge; | |
42a8d2b3 AR |
4842 | |
4843 | if (instance->fw_support_ieee) | |
4844 | instance->max_sectors_per_req = MEGASAS_MAX_SECTORS_IEEE; | |
4845 | ||
1fd10685 YB |
4846 | /* |
4847 | * Check if the module parameter value for max_sectors can be used | |
4848 | */ | |
4849 | if (max_sectors && max_sectors < instance->max_sectors_per_req) | |
4850 | instance->max_sectors_per_req = max_sectors; | |
4851 | else { | |
4852 | if (max_sectors) { | |
4853 | if (((instance->pdev->device == | |
4854 | PCI_DEVICE_ID_LSI_SAS1078GEN2) || | |
4855 | (instance->pdev->device == | |
4856 | PCI_DEVICE_ID_LSI_SAS0079GEN2)) && | |
4857 | (max_sectors <= MEGASAS_MAX_SECTORS)) { | |
4858 | instance->max_sectors_per_req = max_sectors; | |
4859 | } else { | |
4860 | printk(KERN_INFO "megasas: max_sectors should be > 0" | |
4861 | "and <= %d (or < 1MB for GEN2 controller)\n", | |
4862 | instance->max_sectors_per_req); | |
4863 | } | |
4864 | } | |
4865 | } | |
4866 | ||
c4a3e0a5 | 4867 | host->max_sectors = instance->max_sectors_per_req; |
9c915a8c | 4868 | host->cmd_per_lun = MEGASAS_DEFAULT_CMD_PER_LUN; |
c4a3e0a5 BS |
4869 | host->max_channel = MEGASAS_MAX_CHANNELS - 1; |
4870 | host->max_id = MEGASAS_MAX_DEV_PER_CHANNEL; | |
4871 | host->max_lun = MEGASAS_MAX_LUN; | |
122da302 | 4872 | host->max_cmd_len = 16; |
c4a3e0a5 | 4873 | |
9c915a8c | 4874 | /* Fusion only supports host reset */ |
36807e67 | 4875 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || |
229fe47c | 4876 | (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) || |
21d3c710 SS |
4877 | (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
4878 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { | |
9c915a8c AR |
4879 | host->hostt->eh_device_reset_handler = NULL; |
4880 | host->hostt->eh_bus_reset_handler = NULL; | |
4881 | } | |
4882 | ||
c4a3e0a5 BS |
4883 | /* |
4884 | * Notify the mid-layer about the new controller | |
4885 | */ | |
4886 | if (scsi_add_host(host, &instance->pdev->dev)) { | |
4887 | printk(KERN_DEBUG "megasas: scsi_add_host failed\n"); | |
4888 | return -ENODEV; | |
4889 | } | |
4890 | ||
4891 | /* | |
4892 | * Trigger SCSI to scan our drives | |
4893 | */ | |
4894 | scsi_scan_host(host); | |
4895 | return 0; | |
4896 | } | |
4897 | ||
31ea7088 | 4898 | static int |
4899 | megasas_set_dma_mask(struct pci_dev *pdev) | |
4900 | { | |
4901 | /* | |
4902 | * All our contollers are capable of performing 64-bit DMA | |
4903 | */ | |
4904 | if (IS_DMA64) { | |
6a35528a | 4905 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) { |
31ea7088 | 4906 | |
284901a9 | 4907 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) |
31ea7088 | 4908 | goto fail_set_dma_mask; |
4909 | } | |
4910 | } else { | |
284901a9 | 4911 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) |
31ea7088 | 4912 | goto fail_set_dma_mask; |
4913 | } | |
46de63e2 SS |
4914 | /* |
4915 | * Ensure that all data structures are allocated in 32-bit | |
4916 | * memory. | |
4917 | */ | |
4918 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { | |
4919 | /* Try 32bit DMA mask and 32 bit Consistent dma mask */ | |
4920 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) | |
4921 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
4922 | dev_info(&pdev->dev, "set 32bit DMA mask" | |
4923 | "and 32 bit consistent mask\n"); | |
4924 | else | |
4925 | goto fail_set_dma_mask; | |
4926 | } | |
94cd65dd | 4927 | |
31ea7088 | 4928 | return 0; |
4929 | ||
4930 | fail_set_dma_mask: | |
4931 | return 1; | |
4932 | } | |
4933 | ||
c4a3e0a5 BS |
4934 | /** |
4935 | * megasas_probe_one - PCI hotplug entry point | |
4936 | * @pdev: PCI device structure | |
0d49016b | 4937 | * @id: PCI ids of supported hotplugged adapter |
c4a3e0a5 | 4938 | */ |
6f039790 GKH |
4939 | static int megasas_probe_one(struct pci_dev *pdev, |
4940 | const struct pci_device_id *id) | |
c4a3e0a5 | 4941 | { |
8058a169 | 4942 | int rval, pos, i, j, cpu; |
c4a3e0a5 BS |
4943 | struct Scsi_Host *host; |
4944 | struct megasas_instance *instance; | |
66192dfe | 4945 | u16 control = 0; |
51087a86 | 4946 | struct fusion_context *fusion = NULL; |
66192dfe AR |
4947 | |
4948 | /* Reset MSI-X in the kdump kernel */ | |
4949 | if (reset_devices) { | |
4950 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
4951 | if (pos) { | |
99369065 | 4952 | pci_read_config_word(pdev, pos + PCI_MSIX_FLAGS, |
66192dfe AR |
4953 | &control); |
4954 | if (control & PCI_MSIX_FLAGS_ENABLE) { | |
4955 | dev_info(&pdev->dev, "resetting MSI-X\n"); | |
4956 | pci_write_config_word(pdev, | |
99369065 | 4957 | pos + PCI_MSIX_FLAGS, |
66192dfe AR |
4958 | control & |
4959 | ~PCI_MSIX_FLAGS_ENABLE); | |
4960 | } | |
4961 | } | |
4962 | } | |
c4a3e0a5 BS |
4963 | |
4964 | /* | |
4965 | * Announce PCI information | |
4966 | */ | |
4967 | printk(KERN_INFO "megasas: %#4.04x:%#4.04x:%#4.04x:%#4.04x: ", | |
4968 | pdev->vendor, pdev->device, pdev->subsystem_vendor, | |
4969 | pdev->subsystem_device); | |
4970 | ||
4971 | printk("bus %d:slot %d:func %d\n", | |
4972 | pdev->bus->number, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn)); | |
4973 | ||
4974 | /* | |
4975 | * PCI prepping: enable device set bus mastering and dma mask | |
4976 | */ | |
aeab3fd7 | 4977 | rval = pci_enable_device_mem(pdev); |
c4a3e0a5 BS |
4978 | |
4979 | if (rval) { | |
4980 | return rval; | |
4981 | } | |
4982 | ||
4983 | pci_set_master(pdev); | |
4984 | ||
31ea7088 | 4985 | if (megasas_set_dma_mask(pdev)) |
4986 | goto fail_set_dma_mask; | |
c4a3e0a5 BS |
4987 | |
4988 | host = scsi_host_alloc(&megasas_template, | |
4989 | sizeof(struct megasas_instance)); | |
4990 | ||
4991 | if (!host) { | |
4992 | printk(KERN_DEBUG "megasas: scsi_host_alloc failed\n"); | |
4993 | goto fail_alloc_instance; | |
4994 | } | |
4995 | ||
4996 | instance = (struct megasas_instance *)host->hostdata; | |
4997 | memset(instance, 0, sizeof(*instance)); | |
39a98554 | 4998 | atomic_set( &instance->fw_reset_no_pci_access, 0 ); |
9c915a8c | 4999 | instance->pdev = pdev; |
c4a3e0a5 | 5000 | |
9c915a8c AR |
5001 | switch (instance->pdev->device) { |
5002 | case PCI_DEVICE_ID_LSI_FUSION: | |
229fe47c | 5003 | case PCI_DEVICE_ID_LSI_PLASMA: |
36807e67 | 5004 | case PCI_DEVICE_ID_LSI_INVADER: |
21d3c710 | 5005 | case PCI_DEVICE_ID_LSI_FURY: |
9c915a8c | 5006 | { |
51087a86 SS |
5007 | instance->ctrl_context_pages = |
5008 | get_order(sizeof(struct fusion_context)); | |
5009 | instance->ctrl_context = (void *)__get_free_pages(GFP_KERNEL, | |
5010 | instance->ctrl_context_pages); | |
9c915a8c AR |
5011 | if (!instance->ctrl_context) { |
5012 | printk(KERN_DEBUG "megasas: Failed to allocate " | |
5013 | "memory for Fusion context info\n"); | |
5014 | goto fail_alloc_dma_buf; | |
5015 | } | |
5016 | fusion = instance->ctrl_context; | |
5017 | INIT_LIST_HEAD(&fusion->cmd_pool); | |
5018 | spin_lock_init(&fusion->cmd_pool_lock); | |
51087a86 SS |
5019 | memset(fusion->load_balance_info, 0, |
5020 | sizeof(struct LD_LOAD_BALANCE_INFO) * MAX_LOGICAL_DRIVES_EXT); | |
9c915a8c AR |
5021 | } |
5022 | break; | |
5023 | default: /* For all other supported controllers */ | |
5024 | ||
5025 | instance->producer = | |
5026 | pci_alloc_consistent(pdev, sizeof(u32), | |
5027 | &instance->producer_h); | |
5028 | instance->consumer = | |
5029 | pci_alloc_consistent(pdev, sizeof(u32), | |
5030 | &instance->consumer_h); | |
5031 | ||
5032 | if (!instance->producer || !instance->consumer) { | |
5033 | printk(KERN_DEBUG "megasas: Failed to allocate" | |
5034 | "memory for producer, consumer\n"); | |
5035 | goto fail_alloc_dma_buf; | |
5036 | } | |
c4a3e0a5 | 5037 | |
9c915a8c AR |
5038 | *instance->producer = 0; |
5039 | *instance->consumer = 0; | |
5040 | break; | |
c4a3e0a5 BS |
5041 | } |
5042 | ||
fc62b3fc SS |
5043 | /* Crash dump feature related initialisation*/ |
5044 | instance->drv_buf_index = 0; | |
5045 | instance->drv_buf_alloc = 0; | |
5046 | instance->crash_dump_fw_support = 0; | |
5047 | instance->crash_dump_app_support = 0; | |
5048 | instance->fw_crash_state = UNAVAILABLE; | |
5049 | spin_lock_init(&instance->crashdump_lock); | |
5050 | instance->crash_dump_buf = NULL; | |
5051 | ||
5052 | if (!reset_devices) | |
5053 | instance->crash_dump_buf = pci_alloc_consistent(pdev, | |
5054 | CRASH_DMA_BUF_SIZE, | |
5055 | &instance->crash_dump_h); | |
5056 | if (!instance->crash_dump_buf) | |
5057 | dev_err(&instance->pdev->dev, "Can't allocate Firmware " | |
5058 | "crash dump DMA buffer\n"); | |
5059 | ||
c3518837 | 5060 | megasas_poll_wait_aen = 0; |
f4c9a131 | 5061 | instance->flag_ieee = 0; |
7e8a75f4 | 5062 | instance->ev = NULL; |
39a98554 | 5063 | instance->issuepend_done = 1; |
5064 | instance->adprecovery = MEGASAS_HBA_OPERATIONAL; | |
404a8a1a | 5065 | instance->is_imr = 0; |
c4a3e0a5 BS |
5066 | |
5067 | instance->evt_detail = pci_alloc_consistent(pdev, | |
5068 | sizeof(struct | |
5069 | megasas_evt_detail), | |
5070 | &instance->evt_detail_h); | |
5071 | ||
5072 | if (!instance->evt_detail) { | |
5073 | printk(KERN_DEBUG "megasas: Failed to allocate memory for " | |
5074 | "event detail structure\n"); | |
5075 | goto fail_alloc_dma_buf; | |
5076 | } | |
5077 | ||
5078 | /* | |
5079 | * Initialize locks and queues | |
5080 | */ | |
5081 | INIT_LIST_HEAD(&instance->cmd_pool); | |
39a98554 | 5082 | INIT_LIST_HEAD(&instance->internal_reset_pending_q); |
c4a3e0a5 | 5083 | |
e4a082c7 SP |
5084 | atomic_set(&instance->fw_outstanding,0); |
5085 | ||
c4a3e0a5 BS |
5086 | init_waitqueue_head(&instance->int_cmd_wait_q); |
5087 | init_waitqueue_head(&instance->abort_cmd_wait_q); | |
5088 | ||
5089 | spin_lock_init(&instance->cmd_pool_lock); | |
39a98554 | 5090 | spin_lock_init(&instance->hba_lock); |
7343eb65 | 5091 | spin_lock_init(&instance->completion_lock); |
c4a3e0a5 | 5092 | |
e5a69e27 | 5093 | mutex_init(&instance->aen_mutex); |
9c915a8c | 5094 | mutex_init(&instance->reset_mutex); |
c4a3e0a5 BS |
5095 | |
5096 | /* | |
5097 | * Initialize PCI related and misc parameters | |
5098 | */ | |
c4a3e0a5 BS |
5099 | instance->host = host; |
5100 | instance->unique_id = pdev->bus->number << 8 | pdev->devfn; | |
5101 | instance->init_id = MEGASAS_DEFAULT_INIT_ID; | |
51087a86 | 5102 | instance->ctrl_info = NULL; |
c4a3e0a5 | 5103 | |
7bebf5c7 YB |
5104 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || |
5105 | (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { | |
f4c9a131 | 5106 | instance->flag_ieee = 1; |
7bebf5c7 YB |
5107 | sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS); |
5108 | } else | |
5109 | sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS); | |
5110 | ||
658dcedb | 5111 | megasas_dbg_lvl = 0; |
05e9ebbe | 5112 | instance->flag = 0; |
0c79e681 | 5113 | instance->unload = 1; |
05e9ebbe | 5114 | instance->last_time = 0; |
39a98554 | 5115 | instance->disableOnlineCtrlReset = 1; |
bc93d425 | 5116 | instance->UnevenSpanSupport = 0; |
39a98554 | 5117 | |
36807e67 | 5118 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || |
229fe47c | 5119 | (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) || |
21d3c710 | 5120 | (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
fc62b3fc | 5121 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { |
9c915a8c | 5122 | INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq); |
fc62b3fc SS |
5123 | INIT_WORK(&instance->crash_init, megasas_fusion_crash_dump_wq); |
5124 | } else | |
9c915a8c | 5125 | INIT_WORK(&instance->work_init, process_fw_state_change_wq); |
658dcedb | 5126 | |
0a77066a AR |
5127 | /* |
5128 | * Initialize MFI Firmware | |
5129 | */ | |
5130 | if (megasas_init_fw(instance)) | |
5131 | goto fail_init_mfi; | |
5132 | ||
229fe47c AR |
5133 | if (instance->requestorId) { |
5134 | if (instance->PlasmaFW111) { | |
5135 | instance->vf_affiliation_111 = | |
5136 | pci_alloc_consistent(pdev, sizeof(struct MR_LD_VF_AFFILIATION_111), | |
5137 | &instance->vf_affiliation_111_h); | |
5138 | if (!instance->vf_affiliation_111) | |
5139 | printk(KERN_WARNING "megasas: Can't allocate " | |
5140 | "memory for VF affiliation buffer\n"); | |
5141 | } else { | |
5142 | instance->vf_affiliation = | |
5143 | pci_alloc_consistent(pdev, | |
5144 | (MAX_LOGICAL_DRIVES + 1) * | |
5145 | sizeof(struct MR_LD_VF_AFFILIATION), | |
5146 | &instance->vf_affiliation_h); | |
5147 | if (!instance->vf_affiliation) | |
5148 | printk(KERN_WARNING "megasas: Can't allocate " | |
5149 | "memory for VF affiliation buffer\n"); | |
5150 | } | |
5151 | } | |
5152 | ||
d46a3ad6 | 5153 | retry_irq_register: |
c4a3e0a5 BS |
5154 | /* |
5155 | * Register IRQ | |
5156 | */ | |
c8e858fe | 5157 | if (instance->msix_vectors) { |
8058a169 SS |
5158 | cpu = cpumask_first(cpu_online_mask); |
5159 | for (i = 0; i < instance->msix_vectors; i++) { | |
c8e858fe AR |
5160 | instance->irq_context[i].instance = instance; |
5161 | instance->irq_context[i].MSIxIndex = i; | |
5162 | if (request_irq(instance->msixentry[i].vector, | |
5163 | instance->instancet->service_isr, 0, | |
5164 | "megasas", | |
5165 | &instance->irq_context[i])) { | |
5166 | printk(KERN_DEBUG "megasas: Failed to " | |
5167 | "register IRQ for vector %d.\n", i); | |
8058a169 | 5168 | for (j = 0; j < i; j++) { |
ac95136a SS |
5169 | if (smp_affinity_enable) |
5170 | irq_set_affinity_hint( | |
5171 | instance->msixentry[j].vector, NULL); | |
c8e858fe AR |
5172 | free_irq( |
5173 | instance->msixentry[j].vector, | |
5174 | &instance->irq_context[j]); | |
8058a169 | 5175 | } |
d46a3ad6 SS |
5176 | /* Retry irq register for IO_APIC */ |
5177 | instance->msix_vectors = 0; | |
5178 | goto retry_irq_register; | |
c8e858fe | 5179 | } |
ac95136a SS |
5180 | if (smp_affinity_enable) { |
5181 | if (irq_set_affinity_hint(instance->msixentry[i].vector, | |
5182 | get_cpu_mask(cpu))) | |
5183 | dev_err(&instance->pdev->dev, | |
5184 | "Error setting affinity hint " | |
5185 | "for cpu %d\n", cpu); | |
5186 | cpu = cpumask_next(cpu, cpu_online_mask); | |
5187 | } | |
c8e858fe AR |
5188 | } |
5189 | } else { | |
5190 | instance->irq_context[0].instance = instance; | |
5191 | instance->irq_context[0].MSIxIndex = 0; | |
5192 | if (request_irq(pdev->irq, instance->instancet->service_isr, | |
5193 | IRQF_SHARED, "megasas", | |
5194 | &instance->irq_context[0])) { | |
5195 | printk(KERN_DEBUG "megasas: Failed to register IRQ\n"); | |
5196 | goto fail_irq; | |
5197 | } | |
c4a3e0a5 BS |
5198 | } |
5199 | ||
d46a3ad6 | 5200 | instance->instancet->enable_intr(instance); |
c4a3e0a5 BS |
5201 | |
5202 | /* | |
5203 | * Store instance in PCI softstate | |
5204 | */ | |
5205 | pci_set_drvdata(pdev, instance); | |
5206 | ||
5207 | /* | |
5208 | * Add this controller to megasas_mgmt_info structure so that it | |
5209 | * can be exported to management applications | |
5210 | */ | |
5211 | megasas_mgmt_info.count++; | |
5212 | megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = instance; | |
5213 | megasas_mgmt_info.max_index++; | |
5214 | ||
541f90b7 AR |
5215 | /* |
5216 | * Register with SCSI mid-layer | |
5217 | */ | |
5218 | if (megasas_io_attach(instance)) | |
5219 | goto fail_io_attach; | |
5220 | ||
5221 | instance->unload = 0; | |
5222 | ||
c4a3e0a5 BS |
5223 | /* |
5224 | * Initiate AEN (Asynchronous Event Notification) | |
5225 | */ | |
5226 | if (megasas_start_aen(instance)) { | |
5227 | printk(KERN_DEBUG "megasas: start aen failed\n"); | |
5228 | goto fail_start_aen; | |
5229 | } | |
5230 | ||
9ea81f81 AR |
5231 | /* Get current SR-IOV LD/VF affiliation */ |
5232 | if (instance->requestorId) | |
5233 | megasas_get_ld_vf_affiliation(instance, 1); | |
5234 | ||
c4a3e0a5 BS |
5235 | return 0; |
5236 | ||
5237 | fail_start_aen: | |
5238 | fail_io_attach: | |
5239 | megasas_mgmt_info.count--; | |
5240 | megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL; | |
5241 | megasas_mgmt_info.max_index--; | |
5242 | ||
d46a3ad6 | 5243 | instance->instancet->disable_intr(instance); |
c8e858fe | 5244 | if (instance->msix_vectors) |
8058a169 | 5245 | for (i = 0; i < instance->msix_vectors; i++) { |
ac95136a SS |
5246 | if (smp_affinity_enable) |
5247 | irq_set_affinity_hint( | |
5248 | instance->msixentry[i].vector, NULL); | |
c8e858fe AR |
5249 | free_irq(instance->msixentry[i].vector, |
5250 | &instance->irq_context[i]); | |
8058a169 | 5251 | } |
c8e858fe AR |
5252 | else |
5253 | free_irq(instance->pdev->irq, &instance->irq_context[0]); | |
eb1b1237 | 5254 | fail_irq: |
36807e67 | 5255 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || |
229fe47c | 5256 | (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) || |
21d3c710 SS |
5257 | (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || |
5258 | (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) | |
eb1b1237 AR |
5259 | megasas_release_fusion(instance); |
5260 | else | |
5261 | megasas_release_mfi(instance); | |
c4a3e0a5 | 5262 | fail_init_mfi: |
c8e858fe | 5263 | if (instance->msix_vectors) |
0a77066a | 5264 | pci_disable_msix(instance->pdev); |
c4a3e0a5 BS |
5265 | fail_alloc_dma_buf: |
5266 | if (instance->evt_detail) | |
5267 | pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), | |
5268 | instance->evt_detail, | |
5269 | instance->evt_detail_h); | |
5270 | ||
eb1b1237 | 5271 | if (instance->producer) |
c4a3e0a5 BS |
5272 | pci_free_consistent(pdev, sizeof(u32), instance->producer, |
5273 | instance->producer_h); | |
5274 | if (instance->consumer) | |
5275 | pci_free_consistent(pdev, sizeof(u32), instance->consumer, | |
5276 | instance->consumer_h); | |
5277 | scsi_host_put(host); | |
5278 | ||
5279 | fail_alloc_instance: | |
5280 | fail_set_dma_mask: | |
5281 | pci_disable_device(pdev); | |
5282 | ||
5283 | return -ENODEV; | |
5284 | } | |
5285 | ||
5286 | /** | |
5287 | * megasas_flush_cache - Requests FW to flush all its caches | |
5288 | * @instance: Adapter soft state | |
5289 | */ | |
5290 | static void megasas_flush_cache(struct megasas_instance *instance) | |
5291 | { | |
5292 | struct megasas_cmd *cmd; | |
5293 | struct megasas_dcmd_frame *dcmd; | |
5294 | ||
39a98554 | 5295 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) |
5296 | return; | |
5297 | ||
c4a3e0a5 BS |
5298 | cmd = megasas_get_cmd(instance); |
5299 | ||
5300 | if (!cmd) | |
5301 | return; | |
5302 | ||
5303 | dcmd = &cmd->frame->dcmd; | |
5304 | ||
5305 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
5306 | ||
5307 | dcmd->cmd = MFI_CMD_DCMD; | |
5308 | dcmd->cmd_status = 0x0; | |
5309 | dcmd->sge_count = 0; | |
94cd65dd | 5310 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); |
c4a3e0a5 | 5311 | dcmd->timeout = 0; |
780a3762 | 5312 | dcmd->pad_0 = 0; |
c4a3e0a5 | 5313 | dcmd->data_xfer_len = 0; |
94cd65dd | 5314 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_CACHE_FLUSH); |
c4a3e0a5 BS |
5315 | dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE; |
5316 | ||
cfbe7554 SS |
5317 | if (megasas_issue_blocked_cmd(instance, cmd, 30)) |
5318 | dev_err(&instance->pdev->dev, "Command timedout" | |
5319 | " from %s\n", __func__); | |
c4a3e0a5 BS |
5320 | |
5321 | megasas_return_cmd(instance, cmd); | |
5322 | ||
5323 | return; | |
5324 | } | |
5325 | ||
5326 | /** | |
5327 | * megasas_shutdown_controller - Instructs FW to shutdown the controller | |
5328 | * @instance: Adapter soft state | |
31ea7088 | 5329 | * @opcode: Shutdown/Hibernate |
c4a3e0a5 | 5330 | */ |
31ea7088 | 5331 | static void megasas_shutdown_controller(struct megasas_instance *instance, |
5332 | u32 opcode) | |
c4a3e0a5 BS |
5333 | { |
5334 | struct megasas_cmd *cmd; | |
5335 | struct megasas_dcmd_frame *dcmd; | |
5336 | ||
39a98554 | 5337 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) |
5338 | return; | |
5339 | ||
c4a3e0a5 BS |
5340 | cmd = megasas_get_cmd(instance); |
5341 | ||
5342 | if (!cmd) | |
5343 | return; | |
5344 | ||
5345 | if (instance->aen_cmd) | |
cfbe7554 SS |
5346 | megasas_issue_blocked_abort_cmd(instance, |
5347 | instance->aen_cmd, 30); | |
9c915a8c AR |
5348 | if (instance->map_update_cmd) |
5349 | megasas_issue_blocked_abort_cmd(instance, | |
cfbe7554 | 5350 | instance->map_update_cmd, 30); |
c4a3e0a5 BS |
5351 | dcmd = &cmd->frame->dcmd; |
5352 | ||
5353 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
5354 | ||
5355 | dcmd->cmd = MFI_CMD_DCMD; | |
5356 | dcmd->cmd_status = 0x0; | |
5357 | dcmd->sge_count = 0; | |
94cd65dd | 5358 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); |
c4a3e0a5 | 5359 | dcmd->timeout = 0; |
780a3762 | 5360 | dcmd->pad_0 = 0; |
c4a3e0a5 | 5361 | dcmd->data_xfer_len = 0; |
94cd65dd | 5362 | dcmd->opcode = cpu_to_le32(opcode); |
c4a3e0a5 | 5363 | |
cfbe7554 SS |
5364 | if (megasas_issue_blocked_cmd(instance, cmd, 30)) |
5365 | dev_err(&instance->pdev->dev, "Command timedout" | |
5366 | "from %s\n", __func__); | |
c4a3e0a5 BS |
5367 | |
5368 | megasas_return_cmd(instance, cmd); | |
5369 | ||
5370 | return; | |
5371 | } | |
5372 | ||
33139b21 | 5373 | #ifdef CONFIG_PM |
31ea7088 | 5374 | /** |
ad84db2e | 5375 | * megasas_suspend - driver suspend entry point |
5376 | * @pdev: PCI device structure | |
31ea7088 | 5377 | * @state: PCI power state to suspend routine |
5378 | */ | |
33139b21 | 5379 | static int |
31ea7088 | 5380 | megasas_suspend(struct pci_dev *pdev, pm_message_t state) |
5381 | { | |
5382 | struct Scsi_Host *host; | |
5383 | struct megasas_instance *instance; | |
c8e858fe | 5384 | int i; |
31ea7088 | 5385 | |
5386 | instance = pci_get_drvdata(pdev); | |
5387 | host = instance->host; | |
0c79e681 | 5388 | instance->unload = 1; |
31ea7088 | 5389 | |
229fe47c AR |
5390 | /* Shutdown SR-IOV heartbeat timer */ |
5391 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) | |
5392 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
5393 | ||
31ea7088 | 5394 | megasas_flush_cache(instance); |
5395 | megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN); | |
7e8a75f4 YB |
5396 | |
5397 | /* cancel the delayed work if this work still in queue */ | |
5398 | if (instance->ev != NULL) { | |
5399 | struct megasas_aen_event *ev = instance->ev; | |
c1d390d8 | 5400 | cancel_delayed_work_sync(&ev->hotplug_work); |
7e8a75f4 YB |
5401 | instance->ev = NULL; |
5402 | } | |
5403 | ||
31ea7088 | 5404 | tasklet_kill(&instance->isr_tasklet); |
5405 | ||
5406 | pci_set_drvdata(instance->pdev, instance); | |
d46a3ad6 | 5407 | instance->instancet->disable_intr(instance); |
c8e858fe AR |
5408 | |
5409 | if (instance->msix_vectors) | |
8058a169 | 5410 | for (i = 0; i < instance->msix_vectors; i++) { |
ac95136a SS |
5411 | if (smp_affinity_enable) |
5412 | irq_set_affinity_hint( | |
5413 | instance->msixentry[i].vector, NULL); | |
c8e858fe AR |
5414 | free_irq(instance->msixentry[i].vector, |
5415 | &instance->irq_context[i]); | |
8058a169 | 5416 | } |
c8e858fe AR |
5417 | else |
5418 | free_irq(instance->pdev->irq, &instance->irq_context[0]); | |
5419 | if (instance->msix_vectors) | |
80d9da98 | 5420 | pci_disable_msix(instance->pdev); |
31ea7088 | 5421 | |
5422 | pci_save_state(pdev); | |
5423 | pci_disable_device(pdev); | |
5424 | ||
5425 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
5426 | ||
5427 | return 0; | |
5428 | } | |
5429 | ||
5430 | /** | |
5431 | * megasas_resume- driver resume entry point | |
5432 | * @pdev: PCI device structure | |
5433 | */ | |
33139b21 | 5434 | static int |
31ea7088 | 5435 | megasas_resume(struct pci_dev *pdev) |
5436 | { | |
8058a169 | 5437 | int rval, i, j, cpu; |
31ea7088 | 5438 | struct Scsi_Host *host; |
5439 | struct megasas_instance *instance; | |
5440 | ||
5441 | instance = pci_get_drvdata(pdev); | |
5442 | host = instance->host; | |
5443 | pci_set_power_state(pdev, PCI_D0); | |
5444 | pci_enable_wake(pdev, PCI_D0, 0); | |
5445 | pci_restore_state(pdev); | |
5446 | ||
5447 | /* | |
5448 | * PCI prepping: enable device set bus mastering and dma mask | |
5449 | */ | |
aeab3fd7 | 5450 | rval = pci_enable_device_mem(pdev); |
31ea7088 | 5451 | |
5452 | if (rval) { | |
5453 | printk(KERN_ERR "megasas: Enable device failed\n"); | |
5454 | return rval; | |
5455 | } | |
5456 | ||
5457 | pci_set_master(pdev); | |
5458 | ||
5459 | if (megasas_set_dma_mask(pdev)) | |
5460 | goto fail_set_dma_mask; | |
5461 | ||
5462 | /* | |
5463 | * Initialize MFI Firmware | |
5464 | */ | |
5465 | ||
31ea7088 | 5466 | atomic_set(&instance->fw_outstanding, 0); |
5467 | ||
5468 | /* | |
5469 | * We expect the FW state to be READY | |
5470 | */ | |
058a8fac | 5471 | if (megasas_transition_to_ready(instance, 0)) |
31ea7088 | 5472 | goto fail_ready_state; |
5473 | ||
3f1abce4 | 5474 | /* Now re-enable MSI-X */ |
dd088128 | 5475 | if (instance->msix_vectors && |
8ae80ed1 AG |
5476 | pci_enable_msix_exact(instance->pdev, instance->msixentry, |
5477 | instance->msix_vectors)) | |
dd088128 | 5478 | goto fail_reenable_msix; |
3f1abce4 | 5479 | |
9c915a8c AR |
5480 | switch (instance->pdev->device) { |
5481 | case PCI_DEVICE_ID_LSI_FUSION: | |
229fe47c | 5482 | case PCI_DEVICE_ID_LSI_PLASMA: |
36807e67 | 5483 | case PCI_DEVICE_ID_LSI_INVADER: |
21d3c710 | 5484 | case PCI_DEVICE_ID_LSI_FURY: |
9c915a8c AR |
5485 | { |
5486 | megasas_reset_reply_desc(instance); | |
5487 | if (megasas_ioc_init_fusion(instance)) { | |
5488 | megasas_free_cmds(instance); | |
5489 | megasas_free_cmds_fusion(instance); | |
5490 | goto fail_init_mfi; | |
5491 | } | |
5492 | if (!megasas_get_map_info(instance)) | |
5493 | megasas_sync_map_info(instance); | |
5494 | } | |
5495 | break; | |
5496 | default: | |
5497 | *instance->producer = 0; | |
5498 | *instance->consumer = 0; | |
5499 | if (megasas_issue_init_mfi(instance)) | |
5500 | goto fail_init_mfi; | |
5501 | break; | |
5502 | } | |
31ea7088 | 5503 | |
9c915a8c AR |
5504 | tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, |
5505 | (unsigned long)instance); | |
31ea7088 | 5506 | |
5507 | /* | |
5508 | * Register IRQ | |
5509 | */ | |
c8e858fe | 5510 | if (instance->msix_vectors) { |
8058a169 | 5511 | cpu = cpumask_first(cpu_online_mask); |
c8e858fe AR |
5512 | for (i = 0 ; i < instance->msix_vectors; i++) { |
5513 | instance->irq_context[i].instance = instance; | |
5514 | instance->irq_context[i].MSIxIndex = i; | |
5515 | if (request_irq(instance->msixentry[i].vector, | |
5516 | instance->instancet->service_isr, 0, | |
5517 | "megasas", | |
5518 | &instance->irq_context[i])) { | |
5519 | printk(KERN_DEBUG "megasas: Failed to " | |
5520 | "register IRQ for vector %d.\n", i); | |
8058a169 | 5521 | for (j = 0; j < i; j++) { |
ac95136a SS |
5522 | if (smp_affinity_enable) |
5523 | irq_set_affinity_hint( | |
5524 | instance->msixentry[j].vector, NULL); | |
c8e858fe AR |
5525 | free_irq( |
5526 | instance->msixentry[j].vector, | |
5527 | &instance->irq_context[j]); | |
8058a169 | 5528 | } |
c8e858fe AR |
5529 | goto fail_irq; |
5530 | } | |
8058a169 | 5531 | |
ac95136a SS |
5532 | if (smp_affinity_enable) { |
5533 | if (irq_set_affinity_hint(instance->msixentry[i].vector, | |
5534 | get_cpu_mask(cpu))) | |
5535 | dev_err(&instance->pdev->dev, "Error " | |
5536 | "setting affinity hint for cpu " | |
5537 | "%d\n", cpu); | |
5538 | cpu = cpumask_next(cpu, cpu_online_mask); | |
5539 | } | |
c8e858fe AR |
5540 | } |
5541 | } else { | |
5542 | instance->irq_context[0].instance = instance; | |
5543 | instance->irq_context[0].MSIxIndex = 0; | |
5544 | if (request_irq(pdev->irq, instance->instancet->service_isr, | |
5545 | IRQF_SHARED, "megasas", | |
5546 | &instance->irq_context[0])) { | |
5547 | printk(KERN_DEBUG "megasas: Failed to register IRQ\n"); | |
5548 | goto fail_irq; | |
5549 | } | |
31ea7088 | 5550 | } |
5551 | ||
229fe47c AR |
5552 | /* Re-launch SR-IOV heartbeat timer */ |
5553 | if (instance->requestorId) { | |
5554 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
5555 | megasas_start_timer(instance, | |
5556 | &instance->sriov_heartbeat_timer, | |
5557 | megasas_sriov_heartbeat_handler, | |
5558 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
5559 | else | |
5560 | instance->skip_heartbeat_timer_del = 1; | |
5561 | } | |
5562 | ||
d46a3ad6 | 5563 | instance->instancet->enable_intr(instance); |
0c79e681 YB |
5564 | instance->unload = 0; |
5565 | ||
541f90b7 AR |
5566 | /* |
5567 | * Initiate AEN (Asynchronous Event Notification) | |
5568 | */ | |
5569 | if (megasas_start_aen(instance)) | |
5570 | printk(KERN_ERR "megasas: Start AEN failed\n"); | |
5571 | ||
31ea7088 | 5572 | return 0; |
5573 | ||
5574 | fail_irq: | |
5575 | fail_init_mfi: | |
5576 | if (instance->evt_detail) | |
5577 | pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), | |
5578 | instance->evt_detail, | |
5579 | instance->evt_detail_h); | |
5580 | ||
5581 | if (instance->producer) | |
5582 | pci_free_consistent(pdev, sizeof(u32), instance->producer, | |
5583 | instance->producer_h); | |
5584 | if (instance->consumer) | |
5585 | pci_free_consistent(pdev, sizeof(u32), instance->consumer, | |
5586 | instance->consumer_h); | |
5587 | scsi_host_put(host); | |
5588 | ||
5589 | fail_set_dma_mask: | |
5590 | fail_ready_state: | |
dd088128 | 5591 | fail_reenable_msix: |
31ea7088 | 5592 | |
5593 | pci_disable_device(pdev); | |
5594 | ||
5595 | return -ENODEV; | |
5596 | } | |
33139b21 JS |
5597 | #else |
5598 | #define megasas_suspend NULL | |
5599 | #define megasas_resume NULL | |
5600 | #endif | |
31ea7088 | 5601 | |
c4a3e0a5 BS |
5602 | /** |
5603 | * megasas_detach_one - PCI hot"un"plug entry point | |
5604 | * @pdev: PCI device structure | |
5605 | */ | |
6f039790 | 5606 | static void megasas_detach_one(struct pci_dev *pdev) |
c4a3e0a5 BS |
5607 | { |
5608 | int i; | |
5609 | struct Scsi_Host *host; | |
5610 | struct megasas_instance *instance; | |
9c915a8c | 5611 | struct fusion_context *fusion; |
c4a3e0a5 BS |
5612 | |
5613 | instance = pci_get_drvdata(pdev); | |
c3518837 | 5614 | instance->unload = 1; |
c4a3e0a5 | 5615 | host = instance->host; |
9c915a8c | 5616 | fusion = instance->ctrl_context; |
c4a3e0a5 | 5617 | |
229fe47c AR |
5618 | /* Shutdown SR-IOV heartbeat timer */ |
5619 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) | |
5620 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
5621 | ||
fc62b3fc SS |
5622 | if (instance->fw_crash_state != UNAVAILABLE) |
5623 | megasas_free_host_crash_buffer(instance); | |
c4a3e0a5 BS |
5624 | scsi_remove_host(instance->host); |
5625 | megasas_flush_cache(instance); | |
31ea7088 | 5626 | megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); |
7e8a75f4 YB |
5627 | |
5628 | /* cancel the delayed work if this work still in queue*/ | |
5629 | if (instance->ev != NULL) { | |
5630 | struct megasas_aen_event *ev = instance->ev; | |
c1d390d8 | 5631 | cancel_delayed_work_sync(&ev->hotplug_work); |
7e8a75f4 YB |
5632 | instance->ev = NULL; |
5633 | } | |
5634 | ||
cfbe7554 SS |
5635 | /* cancel all wait events */ |
5636 | wake_up_all(&instance->int_cmd_wait_q); | |
5637 | ||
5d018ad0 | 5638 | tasklet_kill(&instance->isr_tasklet); |
c4a3e0a5 BS |
5639 | |
5640 | /* | |
5641 | * Take the instance off the instance array. Note that we will not | |
5642 | * decrement the max_index. We let this array be sparse array | |
5643 | */ | |
5644 | for (i = 0; i < megasas_mgmt_info.max_index; i++) { | |
5645 | if (megasas_mgmt_info.instance[i] == instance) { | |
5646 | megasas_mgmt_info.count--; | |
5647 | megasas_mgmt_info.instance[i] = NULL; | |
5648 | ||
5649 | break; | |
5650 | } | |
5651 | } | |
5652 | ||
d46a3ad6 | 5653 | instance->instancet->disable_intr(instance); |
c4a3e0a5 | 5654 | |
c8e858fe | 5655 | if (instance->msix_vectors) |
8058a169 | 5656 | for (i = 0; i < instance->msix_vectors; i++) { |
ac95136a SS |
5657 | if (smp_affinity_enable) |
5658 | irq_set_affinity_hint( | |
5659 | instance->msixentry[i].vector, NULL); | |
c8e858fe AR |
5660 | free_irq(instance->msixentry[i].vector, |
5661 | &instance->irq_context[i]); | |
8058a169 | 5662 | } |
c8e858fe AR |
5663 | else |
5664 | free_irq(instance->pdev->irq, &instance->irq_context[0]); | |
5665 | if (instance->msix_vectors) | |
80d9da98 | 5666 | pci_disable_msix(instance->pdev); |
c4a3e0a5 | 5667 | |
9c915a8c AR |
5668 | switch (instance->pdev->device) { |
5669 | case PCI_DEVICE_ID_LSI_FUSION: | |
229fe47c | 5670 | case PCI_DEVICE_ID_LSI_PLASMA: |
36807e67 | 5671 | case PCI_DEVICE_ID_LSI_INVADER: |
21d3c710 | 5672 | case PCI_DEVICE_ID_LSI_FURY: |
9c915a8c | 5673 | megasas_release_fusion(instance); |
51087a86 | 5674 | for (i = 0; i < 2 ; i++) { |
9c915a8c AR |
5675 | if (fusion->ld_map[i]) |
5676 | dma_free_coherent(&instance->pdev->dev, | |
51087a86 | 5677 | fusion->max_map_sz, |
9c915a8c | 5678 | fusion->ld_map[i], |
51087a86 SS |
5679 | fusion->ld_map_phys[i]); |
5680 | if (fusion->ld_drv_map[i]) | |
5681 | free_pages((ulong)fusion->ld_drv_map[i], | |
5682 | fusion->drv_map_pages); | |
5683 | } | |
5684 | free_pages((ulong)instance->ctrl_context, | |
5685 | instance->ctrl_context_pages); | |
9c915a8c AR |
5686 | break; |
5687 | default: | |
5688 | megasas_release_mfi(instance); | |
9c915a8c AR |
5689 | pci_free_consistent(pdev, sizeof(u32), |
5690 | instance->producer, | |
5691 | instance->producer_h); | |
5692 | pci_free_consistent(pdev, sizeof(u32), | |
5693 | instance->consumer, | |
5694 | instance->consumer_h); | |
5695 | break; | |
5696 | } | |
c4a3e0a5 | 5697 | |
51087a86 SS |
5698 | kfree(instance->ctrl_info); |
5699 | ||
105900d5 SS |
5700 | if (instance->evt_detail) |
5701 | pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), | |
5702 | instance->evt_detail, instance->evt_detail_h); | |
229fe47c AR |
5703 | |
5704 | if (instance->vf_affiliation) | |
5705 | pci_free_consistent(pdev, (MAX_LOGICAL_DRIVES + 1) * | |
5706 | sizeof(struct MR_LD_VF_AFFILIATION), | |
5707 | instance->vf_affiliation, | |
5708 | instance->vf_affiliation_h); | |
5709 | ||
5710 | if (instance->vf_affiliation_111) | |
5711 | pci_free_consistent(pdev, | |
5712 | sizeof(struct MR_LD_VF_AFFILIATION_111), | |
5713 | instance->vf_affiliation_111, | |
5714 | instance->vf_affiliation_111_h); | |
5715 | ||
5716 | if (instance->hb_host_mem) | |
5717 | pci_free_consistent(pdev, sizeof(struct MR_CTRL_HB_HOST_MEM), | |
5718 | instance->hb_host_mem, | |
5719 | instance->hb_host_mem_h); | |
5720 | ||
fc62b3fc SS |
5721 | if (instance->crash_dump_buf) |
5722 | pci_free_consistent(pdev, CRASH_DMA_BUF_SIZE, | |
5723 | instance->crash_dump_buf, instance->crash_dump_h); | |
5724 | ||
c4a3e0a5 BS |
5725 | scsi_host_put(host); |
5726 | ||
c4a3e0a5 BS |
5727 | pci_disable_device(pdev); |
5728 | ||
5729 | return; | |
5730 | } | |
5731 | ||
5732 | /** | |
5733 | * megasas_shutdown - Shutdown entry point | |
5734 | * @device: Generic device structure | |
5735 | */ | |
5736 | static void megasas_shutdown(struct pci_dev *pdev) | |
5737 | { | |
c8e858fe | 5738 | int i; |
c4a3e0a5 | 5739 | struct megasas_instance *instance = pci_get_drvdata(pdev); |
c8e858fe | 5740 | |
0c79e681 | 5741 | instance->unload = 1; |
c4a3e0a5 | 5742 | megasas_flush_cache(instance); |
530e6fc1 | 5743 | megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); |
d46a3ad6 | 5744 | instance->instancet->disable_intr(instance); |
c8e858fe | 5745 | if (instance->msix_vectors) |
8058a169 | 5746 | for (i = 0; i < instance->msix_vectors; i++) { |
ac95136a SS |
5747 | if (smp_affinity_enable) |
5748 | irq_set_affinity_hint( | |
5749 | instance->msixentry[i].vector, NULL); | |
c8e858fe AR |
5750 | free_irq(instance->msixentry[i].vector, |
5751 | &instance->irq_context[i]); | |
8058a169 | 5752 | } |
c8e858fe AR |
5753 | else |
5754 | free_irq(instance->pdev->irq, &instance->irq_context[0]); | |
5755 | if (instance->msix_vectors) | |
46fd256e | 5756 | pci_disable_msix(instance->pdev); |
c4a3e0a5 BS |
5757 | } |
5758 | ||
5759 | /** | |
5760 | * megasas_mgmt_open - char node "open" entry point | |
5761 | */ | |
5762 | static int megasas_mgmt_open(struct inode *inode, struct file *filep) | |
5763 | { | |
5764 | /* | |
5765 | * Allow only those users with admin rights | |
5766 | */ | |
5767 | if (!capable(CAP_SYS_ADMIN)) | |
5768 | return -EACCES; | |
5769 | ||
5770 | return 0; | |
5771 | } | |
5772 | ||
c4a3e0a5 BS |
5773 | /** |
5774 | * megasas_mgmt_fasync - Async notifier registration from applications | |
5775 | * | |
5776 | * This function adds the calling process to a driver global queue. When an | |
5777 | * event occurs, SIGIO will be sent to all processes in this queue. | |
5778 | */ | |
5779 | static int megasas_mgmt_fasync(int fd, struct file *filep, int mode) | |
5780 | { | |
5781 | int rc; | |
5782 | ||
0b950672 | 5783 | mutex_lock(&megasas_async_queue_mutex); |
c4a3e0a5 BS |
5784 | |
5785 | rc = fasync_helper(fd, filep, mode, &megasas_async_queue); | |
5786 | ||
0b950672 | 5787 | mutex_unlock(&megasas_async_queue_mutex); |
c4a3e0a5 BS |
5788 | |
5789 | if (rc >= 0) { | |
5790 | /* For sanity check when we get ioctl */ | |
5791 | filep->private_data = filep; | |
5792 | return 0; | |
5793 | } | |
5794 | ||
5795 | printk(KERN_DEBUG "megasas: fasync_helper failed [%d]\n", rc); | |
5796 | ||
5797 | return rc; | |
5798 | } | |
5799 | ||
c3518837 YB |
5800 | /** |
5801 | * megasas_mgmt_poll - char node "poll" entry point | |
5802 | * */ | |
5803 | static unsigned int megasas_mgmt_poll(struct file *file, poll_table *wait) | |
5804 | { | |
5805 | unsigned int mask; | |
5806 | unsigned long flags; | |
5807 | poll_wait(file, &megasas_poll_wait, wait); | |
5808 | spin_lock_irqsave(&poll_aen_lock, flags); | |
5809 | if (megasas_poll_wait_aen) | |
5810 | mask = (POLLIN | POLLRDNORM); | |
51087a86 | 5811 | |
c3518837 YB |
5812 | else |
5813 | mask = 0; | |
51087a86 | 5814 | megasas_poll_wait_aen = 0; |
c3518837 YB |
5815 | spin_unlock_irqrestore(&poll_aen_lock, flags); |
5816 | return mask; | |
5817 | } | |
5818 | ||
fc62b3fc SS |
5819 | /* |
5820 | * megasas_set_crash_dump_params_ioctl: | |
5821 | * Send CRASH_DUMP_MODE DCMD to all controllers | |
5822 | * @cmd: MFI command frame | |
5823 | */ | |
5824 | ||
5825 | static int megasas_set_crash_dump_params_ioctl( | |
5826 | struct megasas_cmd *cmd) | |
5827 | { | |
5828 | struct megasas_instance *local_instance; | |
5829 | int i, error = 0; | |
5830 | int crash_support; | |
5831 | ||
5832 | crash_support = cmd->frame->dcmd.mbox.w[0]; | |
5833 | ||
5834 | for (i = 0; i < megasas_mgmt_info.max_index; i++) { | |
5835 | local_instance = megasas_mgmt_info.instance[i]; | |
5836 | if (local_instance && local_instance->crash_dump_drv_support) { | |
5837 | if ((local_instance->adprecovery == | |
5838 | MEGASAS_HBA_OPERATIONAL) && | |
5839 | !megasas_set_crash_dump_params(local_instance, | |
5840 | crash_support)) { | |
5841 | local_instance->crash_dump_app_support = | |
5842 | crash_support; | |
5843 | dev_info(&local_instance->pdev->dev, | |
5844 | "Application firmware crash " | |
5845 | "dump mode set success\n"); | |
5846 | error = 0; | |
5847 | } else { | |
5848 | dev_info(&local_instance->pdev->dev, | |
5849 | "Application firmware crash " | |
5850 | "dump mode set failed\n"); | |
5851 | error = -1; | |
5852 | } | |
5853 | } | |
5854 | } | |
5855 | return error; | |
5856 | } | |
5857 | ||
c4a3e0a5 BS |
5858 | /** |
5859 | * megasas_mgmt_fw_ioctl - Issues management ioctls to FW | |
5860 | * @instance: Adapter soft state | |
5861 | * @argp: User's ioctl packet | |
5862 | */ | |
5863 | static int | |
5864 | megasas_mgmt_fw_ioctl(struct megasas_instance *instance, | |
5865 | struct megasas_iocpacket __user * user_ioc, | |
5866 | struct megasas_iocpacket *ioc) | |
5867 | { | |
5868 | struct megasas_sge32 *kern_sge32; | |
5869 | struct megasas_cmd *cmd; | |
5870 | void *kbuff_arr[MAX_IOCTL_SGE]; | |
5871 | dma_addr_t buf_handle = 0; | |
5872 | int error = 0, i; | |
5873 | void *sense = NULL; | |
5874 | dma_addr_t sense_handle; | |
7b2519af | 5875 | unsigned long *sense_ptr; |
c4a3e0a5 BS |
5876 | |
5877 | memset(kbuff_arr, 0, sizeof(kbuff_arr)); | |
5878 | ||
5879 | if (ioc->sge_count > MAX_IOCTL_SGE) { | |
5880 | printk(KERN_DEBUG "megasas: SGE count [%d] > max limit [%d]\n", | |
5881 | ioc->sge_count, MAX_IOCTL_SGE); | |
5882 | return -EINVAL; | |
5883 | } | |
5884 | ||
5885 | cmd = megasas_get_cmd(instance); | |
5886 | if (!cmd) { | |
5887 | printk(KERN_DEBUG "megasas: Failed to get a cmd packet\n"); | |
5888 | return -ENOMEM; | |
5889 | } | |
5890 | ||
5891 | /* | |
5892 | * User's IOCTL packet has 2 frames (maximum). Copy those two | |
5893 | * frames into our cmd's frames. cmd->frame's context will get | |
5894 | * overwritten when we copy from user's frames. So set that value | |
5895 | * alone separately | |
5896 | */ | |
5897 | memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE); | |
94cd65dd | 5898 | cmd->frame->hdr.context = cpu_to_le32(cmd->index); |
c3518837 | 5899 | cmd->frame->hdr.pad_0 = 0; |
94cd65dd SS |
5900 | cmd->frame->hdr.flags &= cpu_to_le16(~(MFI_FRAME_IEEE | |
5901 | MFI_FRAME_SGL64 | | |
5902 | MFI_FRAME_SENSE64)); | |
c4a3e0a5 | 5903 | |
fc62b3fc SS |
5904 | if (cmd->frame->dcmd.opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) { |
5905 | error = megasas_set_crash_dump_params_ioctl(cmd); | |
5906 | megasas_return_cmd(instance, cmd); | |
5907 | return error; | |
5908 | } | |
5909 | ||
c4a3e0a5 BS |
5910 | /* |
5911 | * The management interface between applications and the fw uses | |
5912 | * MFI frames. E.g, RAID configuration changes, LD property changes | |
5913 | * etc are accomplishes through different kinds of MFI frames. The | |
5914 | * driver needs to care only about substituting user buffers with | |
5915 | * kernel buffers in SGLs. The location of SGL is embedded in the | |
5916 | * struct iocpacket itself. | |
5917 | */ | |
5918 | kern_sge32 = (struct megasas_sge32 *) | |
5919 | ((unsigned long)cmd->frame + ioc->sgl_off); | |
5920 | ||
5921 | /* | |
5922 | * For each user buffer, create a mirror buffer and copy in | |
5923 | */ | |
5924 | for (i = 0; i < ioc->sge_count; i++) { | |
98cb7e44 BM |
5925 | if (!ioc->sgl[i].iov_len) |
5926 | continue; | |
5927 | ||
9f35fa8a | 5928 | kbuff_arr[i] = dma_alloc_coherent(&instance->pdev->dev, |
c4a3e0a5 | 5929 | ioc->sgl[i].iov_len, |
9f35fa8a | 5930 | &buf_handle, GFP_KERNEL); |
c4a3e0a5 BS |
5931 | if (!kbuff_arr[i]) { |
5932 | printk(KERN_DEBUG "megasas: Failed to alloc " | |
5933 | "kernel SGL buffer for IOCTL \n"); | |
5934 | error = -ENOMEM; | |
5935 | goto out; | |
5936 | } | |
5937 | ||
5938 | /* | |
5939 | * We don't change the dma_coherent_mask, so | |
5940 | * pci_alloc_consistent only returns 32bit addresses | |
5941 | */ | |
94cd65dd SS |
5942 | kern_sge32[i].phys_addr = cpu_to_le32(buf_handle); |
5943 | kern_sge32[i].length = cpu_to_le32(ioc->sgl[i].iov_len); | |
c4a3e0a5 BS |
5944 | |
5945 | /* | |
5946 | * We created a kernel buffer corresponding to the | |
5947 | * user buffer. Now copy in from the user buffer | |
5948 | */ | |
5949 | if (copy_from_user(kbuff_arr[i], ioc->sgl[i].iov_base, | |
5950 | (u32) (ioc->sgl[i].iov_len))) { | |
5951 | error = -EFAULT; | |
5952 | goto out; | |
5953 | } | |
5954 | } | |
5955 | ||
5956 | if (ioc->sense_len) { | |
9f35fa8a SP |
5957 | sense = dma_alloc_coherent(&instance->pdev->dev, ioc->sense_len, |
5958 | &sense_handle, GFP_KERNEL); | |
c4a3e0a5 BS |
5959 | if (!sense) { |
5960 | error = -ENOMEM; | |
5961 | goto out; | |
5962 | } | |
5963 | ||
5964 | sense_ptr = | |
7b2519af | 5965 | (unsigned long *) ((unsigned long)cmd->frame + ioc->sense_off); |
94cd65dd | 5966 | *sense_ptr = cpu_to_le32(sense_handle); |
c4a3e0a5 BS |
5967 | } |
5968 | ||
5969 | /* | |
5970 | * Set the sync_cmd flag so that the ISR knows not to complete this | |
5971 | * cmd to the SCSI mid-layer | |
5972 | */ | |
5973 | cmd->sync_cmd = 1; | |
cfbe7554 | 5974 | megasas_issue_blocked_cmd(instance, cmd, 0); |
c4a3e0a5 BS |
5975 | cmd->sync_cmd = 0; |
5976 | ||
5977 | /* | |
5978 | * copy out the kernel buffers to user buffers | |
5979 | */ | |
5980 | for (i = 0; i < ioc->sge_count; i++) { | |
5981 | if (copy_to_user(ioc->sgl[i].iov_base, kbuff_arr[i], | |
5982 | ioc->sgl[i].iov_len)) { | |
5983 | error = -EFAULT; | |
5984 | goto out; | |
5985 | } | |
5986 | } | |
5987 | ||
5988 | /* | |
5989 | * copy out the sense | |
5990 | */ | |
5991 | if (ioc->sense_len) { | |
5992 | /* | |
b70a41e0 | 5993 | * sense_ptr points to the location that has the user |
c4a3e0a5 BS |
5994 | * sense buffer address |
5995 | */ | |
7b2519af YB |
5996 | sense_ptr = (unsigned long *) ((unsigned long)ioc->frame.raw + |
5997 | ioc->sense_off); | |
c4a3e0a5 | 5998 | |
b70a41e0 | 5999 | if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)), |
6000 | sense, ioc->sense_len)) { | |
b10c36a5 | 6001 | printk(KERN_ERR "megasas: Failed to copy out to user " |
6002 | "sense data\n"); | |
c4a3e0a5 BS |
6003 | error = -EFAULT; |
6004 | goto out; | |
6005 | } | |
6006 | } | |
6007 | ||
6008 | /* | |
6009 | * copy the status codes returned by the fw | |
6010 | */ | |
6011 | if (copy_to_user(&user_ioc->frame.hdr.cmd_status, | |
6012 | &cmd->frame->hdr.cmd_status, sizeof(u8))) { | |
6013 | printk(KERN_DEBUG "megasas: Error copying out cmd_status\n"); | |
6014 | error = -EFAULT; | |
6015 | } | |
6016 | ||
6017 | out: | |
6018 | if (sense) { | |
9f35fa8a | 6019 | dma_free_coherent(&instance->pdev->dev, ioc->sense_len, |
c4a3e0a5 BS |
6020 | sense, sense_handle); |
6021 | } | |
6022 | ||
7a6a731b BM |
6023 | for (i = 0; i < ioc->sge_count; i++) { |
6024 | if (kbuff_arr[i]) | |
6025 | dma_free_coherent(&instance->pdev->dev, | |
94cd65dd | 6026 | le32_to_cpu(kern_sge32[i].length), |
7a6a731b | 6027 | kbuff_arr[i], |
94cd65dd | 6028 | le32_to_cpu(kern_sge32[i].phys_addr)); |
c4a3e0a5 BS |
6029 | } |
6030 | ||
6031 | megasas_return_cmd(instance, cmd); | |
6032 | return error; | |
6033 | } | |
6034 | ||
c4a3e0a5 BS |
6035 | static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) |
6036 | { | |
6037 | struct megasas_iocpacket __user *user_ioc = | |
6038 | (struct megasas_iocpacket __user *)arg; | |
6039 | struct megasas_iocpacket *ioc; | |
6040 | struct megasas_instance *instance; | |
6041 | int error; | |
39a98554 | 6042 | int i; |
6043 | unsigned long flags; | |
6044 | u32 wait_time = MEGASAS_RESET_WAIT_TIME; | |
c4a3e0a5 BS |
6045 | |
6046 | ioc = kmalloc(sizeof(*ioc), GFP_KERNEL); | |
6047 | if (!ioc) | |
6048 | return -ENOMEM; | |
6049 | ||
6050 | if (copy_from_user(ioc, user_ioc, sizeof(*ioc))) { | |
6051 | error = -EFAULT; | |
6052 | goto out_kfree_ioc; | |
6053 | } | |
6054 | ||
6055 | instance = megasas_lookup_instance(ioc->host_no); | |
6056 | if (!instance) { | |
6057 | error = -ENODEV; | |
6058 | goto out_kfree_ioc; | |
6059 | } | |
6060 | ||
229fe47c AR |
6061 | /* Adjust ioctl wait time for VF mode */ |
6062 | if (instance->requestorId) | |
6063 | wait_time = MEGASAS_ROUTINE_WAIT_TIME_VF; | |
6064 | ||
6065 | /* Block ioctls in VF mode */ | |
6066 | if (instance->requestorId && !allow_vf_ioctls) { | |
6067 | error = -ENODEV; | |
6068 | goto out_kfree_ioc; | |
6069 | } | |
6070 | ||
39a98554 | 6071 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { |
6072 | printk(KERN_ERR "Controller in crit error\n"); | |
0c79e681 YB |
6073 | error = -ENODEV; |
6074 | goto out_kfree_ioc; | |
6075 | } | |
6076 | ||
6077 | if (instance->unload == 1) { | |
6078 | error = -ENODEV; | |
6079 | goto out_kfree_ioc; | |
6080 | } | |
6081 | ||
c4a3e0a5 BS |
6082 | /* |
6083 | * We will allow only MEGASAS_INT_CMDS number of parallel ioctl cmds | |
6084 | */ | |
6085 | if (down_interruptible(&instance->ioctl_sem)) { | |
6086 | error = -ERESTARTSYS; | |
6087 | goto out_kfree_ioc; | |
6088 | } | |
39a98554 | 6089 | |
6090 | for (i = 0; i < wait_time; i++) { | |
6091 | ||
6092 | spin_lock_irqsave(&instance->hba_lock, flags); | |
6093 | if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { | |
6094 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
6095 | break; | |
6096 | } | |
6097 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
6098 | ||
6099 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
6100 | printk(KERN_NOTICE "megasas: waiting" | |
6101 | "for controller reset to finish\n"); | |
6102 | } | |
6103 | ||
6104 | msleep(1000); | |
6105 | } | |
6106 | ||
6107 | spin_lock_irqsave(&instance->hba_lock, flags); | |
6108 | if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { | |
6109 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
6110 | ||
6111 | printk(KERN_ERR "megaraid_sas: timed out while" | |
6112 | "waiting for HBA to recover\n"); | |
6113 | error = -ENODEV; | |
c64e483e | 6114 | goto out_up; |
39a98554 | 6115 | } |
6116 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
6117 | ||
c4a3e0a5 | 6118 | error = megasas_mgmt_fw_ioctl(instance, user_ioc, ioc); |
c64e483e | 6119 | out_up: |
c4a3e0a5 BS |
6120 | up(&instance->ioctl_sem); |
6121 | ||
6122 | out_kfree_ioc: | |
6123 | kfree(ioc); | |
6124 | return error; | |
6125 | } | |
6126 | ||
6127 | static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) | |
6128 | { | |
6129 | struct megasas_instance *instance; | |
6130 | struct megasas_aen aen; | |
6131 | int error; | |
39a98554 | 6132 | int i; |
6133 | unsigned long flags; | |
6134 | u32 wait_time = MEGASAS_RESET_WAIT_TIME; | |
c4a3e0a5 BS |
6135 | |
6136 | if (file->private_data != file) { | |
6137 | printk(KERN_DEBUG "megasas: fasync_helper was not " | |
6138 | "called first\n"); | |
6139 | return -EINVAL; | |
6140 | } | |
6141 | ||
6142 | if (copy_from_user(&aen, (void __user *)arg, sizeof(aen))) | |
6143 | return -EFAULT; | |
6144 | ||
6145 | instance = megasas_lookup_instance(aen.host_no); | |
6146 | ||
6147 | if (!instance) | |
6148 | return -ENODEV; | |
6149 | ||
39a98554 | 6150 | if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { |
6151 | return -ENODEV; | |
0c79e681 YB |
6152 | } |
6153 | ||
6154 | if (instance->unload == 1) { | |
6155 | return -ENODEV; | |
6156 | } | |
6157 | ||
39a98554 | 6158 | for (i = 0; i < wait_time; i++) { |
6159 | ||
6160 | spin_lock_irqsave(&instance->hba_lock, flags); | |
6161 | if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { | |
6162 | spin_unlock_irqrestore(&instance->hba_lock, | |
6163 | flags); | |
6164 | break; | |
6165 | } | |
6166 | ||
6167 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
6168 | ||
6169 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
6170 | printk(KERN_NOTICE "megasas: waiting for" | |
6171 | "controller reset to finish\n"); | |
6172 | } | |
6173 | ||
6174 | msleep(1000); | |
6175 | } | |
6176 | ||
6177 | spin_lock_irqsave(&instance->hba_lock, flags); | |
6178 | if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { | |
6179 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
6180 | printk(KERN_ERR "megaraid_sas: timed out while waiting" | |
6181 | "for HBA to recover.\n"); | |
6182 | return -ENODEV; | |
6183 | } | |
6184 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
6185 | ||
e5a69e27 | 6186 | mutex_lock(&instance->aen_mutex); |
c4a3e0a5 BS |
6187 | error = megasas_register_aen(instance, aen.seq_num, |
6188 | aen.class_locale_word); | |
e5a69e27 | 6189 | mutex_unlock(&instance->aen_mutex); |
c4a3e0a5 BS |
6190 | return error; |
6191 | } | |
6192 | ||
6193 | /** | |
6194 | * megasas_mgmt_ioctl - char node ioctl entry point | |
6195 | */ | |
6196 | static long | |
6197 | megasas_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
6198 | { | |
6199 | switch (cmd) { | |
6200 | case MEGASAS_IOC_FIRMWARE: | |
6201 | return megasas_mgmt_ioctl_fw(file, arg); | |
6202 | ||
6203 | case MEGASAS_IOC_GET_AEN: | |
6204 | return megasas_mgmt_ioctl_aen(file, arg); | |
6205 | } | |
6206 | ||
6207 | return -ENOTTY; | |
6208 | } | |
6209 | ||
6210 | #ifdef CONFIG_COMPAT | |
6211 | static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg) | |
6212 | { | |
6213 | struct compat_megasas_iocpacket __user *cioc = | |
6214 | (struct compat_megasas_iocpacket __user *)arg; | |
6215 | struct megasas_iocpacket __user *ioc = | |
6216 | compat_alloc_user_space(sizeof(struct megasas_iocpacket)); | |
6217 | int i; | |
6218 | int error = 0; | |
b3dc1a21 | 6219 | compat_uptr_t ptr; |
c4a3e0a5 | 6220 | |
83aabc1b JG |
6221 | if (clear_user(ioc, sizeof(*ioc))) |
6222 | return -EFAULT; | |
c4a3e0a5 BS |
6223 | |
6224 | if (copy_in_user(&ioc->host_no, &cioc->host_no, sizeof(u16)) || | |
6225 | copy_in_user(&ioc->sgl_off, &cioc->sgl_off, sizeof(u32)) || | |
6226 | copy_in_user(&ioc->sense_off, &cioc->sense_off, sizeof(u32)) || | |
6227 | copy_in_user(&ioc->sense_len, &cioc->sense_len, sizeof(u32)) || | |
6228 | copy_in_user(ioc->frame.raw, cioc->frame.raw, 128) || | |
6229 | copy_in_user(&ioc->sge_count, &cioc->sge_count, sizeof(u32))) | |
6230 | return -EFAULT; | |
6231 | ||
b3dc1a21 TH |
6232 | /* |
6233 | * The sense_ptr is used in megasas_mgmt_fw_ioctl only when | |
6234 | * sense_len is not null, so prepare the 64bit value under | |
6235 | * the same condition. | |
6236 | */ | |
6237 | if (ioc->sense_len) { | |
6238 | void __user **sense_ioc_ptr = | |
6239 | (void __user **)(ioc->frame.raw + ioc->sense_off); | |
6240 | compat_uptr_t *sense_cioc_ptr = | |
6241 | (compat_uptr_t *)(cioc->frame.raw + cioc->sense_off); | |
6242 | if (get_user(ptr, sense_cioc_ptr) || | |
6243 | put_user(compat_ptr(ptr), sense_ioc_ptr)) | |
6244 | return -EFAULT; | |
6245 | } | |
c4a3e0a5 | 6246 | |
b3dc1a21 | 6247 | for (i = 0; i < MAX_IOCTL_SGE; i++) { |
c4a3e0a5 BS |
6248 | if (get_user(ptr, &cioc->sgl[i].iov_base) || |
6249 | put_user(compat_ptr(ptr), &ioc->sgl[i].iov_base) || | |
6250 | copy_in_user(&ioc->sgl[i].iov_len, | |
6251 | &cioc->sgl[i].iov_len, sizeof(compat_size_t))) | |
6252 | return -EFAULT; | |
6253 | } | |
6254 | ||
6255 | error = megasas_mgmt_ioctl_fw(file, (unsigned long)ioc); | |
6256 | ||
6257 | if (copy_in_user(&cioc->frame.hdr.cmd_status, | |
6258 | &ioc->frame.hdr.cmd_status, sizeof(u8))) { | |
6259 | printk(KERN_DEBUG "megasas: error copy_in_user cmd_status\n"); | |
6260 | return -EFAULT; | |
6261 | } | |
6262 | return error; | |
6263 | } | |
6264 | ||
6265 | static long | |
6266 | megasas_mgmt_compat_ioctl(struct file *file, unsigned int cmd, | |
6267 | unsigned long arg) | |
6268 | { | |
6269 | switch (cmd) { | |
cb59aa6a SP |
6270 | case MEGASAS_IOC_FIRMWARE32: |
6271 | return megasas_mgmt_compat_ioctl_fw(file, arg); | |
c4a3e0a5 BS |
6272 | case MEGASAS_IOC_GET_AEN: |
6273 | return megasas_mgmt_ioctl_aen(file, arg); | |
6274 | } | |
6275 | ||
6276 | return -ENOTTY; | |
6277 | } | |
6278 | #endif | |
6279 | ||
6280 | /* | |
6281 | * File operations structure for management interface | |
6282 | */ | |
00977a59 | 6283 | static const struct file_operations megasas_mgmt_fops = { |
c4a3e0a5 BS |
6284 | .owner = THIS_MODULE, |
6285 | .open = megasas_mgmt_open, | |
c4a3e0a5 BS |
6286 | .fasync = megasas_mgmt_fasync, |
6287 | .unlocked_ioctl = megasas_mgmt_ioctl, | |
c3518837 | 6288 | .poll = megasas_mgmt_poll, |
c4a3e0a5 BS |
6289 | #ifdef CONFIG_COMPAT |
6290 | .compat_ioctl = megasas_mgmt_compat_ioctl, | |
6291 | #endif | |
6038f373 | 6292 | .llseek = noop_llseek, |
c4a3e0a5 BS |
6293 | }; |
6294 | ||
6295 | /* | |
6296 | * PCI hotplug support registration structure | |
6297 | */ | |
6298 | static struct pci_driver megasas_pci_driver = { | |
6299 | ||
6300 | .name = "megaraid_sas", | |
6301 | .id_table = megasas_pci_table, | |
6302 | .probe = megasas_probe_one, | |
6f039790 | 6303 | .remove = megasas_detach_one, |
31ea7088 | 6304 | .suspend = megasas_suspend, |
6305 | .resume = megasas_resume, | |
c4a3e0a5 BS |
6306 | .shutdown = megasas_shutdown, |
6307 | }; | |
6308 | ||
6309 | /* | |
6310 | * Sysfs driver attributes | |
6311 | */ | |
6312 | static ssize_t megasas_sysfs_show_version(struct device_driver *dd, char *buf) | |
6313 | { | |
6314 | return snprintf(buf, strlen(MEGASAS_VERSION) + 2, "%s\n", | |
6315 | MEGASAS_VERSION); | |
6316 | } | |
6317 | ||
6318 | static DRIVER_ATTR(version, S_IRUGO, megasas_sysfs_show_version, NULL); | |
6319 | ||
6320 | static ssize_t | |
6321 | megasas_sysfs_show_release_date(struct device_driver *dd, char *buf) | |
6322 | { | |
6323 | return snprintf(buf, strlen(MEGASAS_RELDATE) + 2, "%s\n", | |
6324 | MEGASAS_RELDATE); | |
6325 | } | |
6326 | ||
6327 | static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date, | |
6328 | NULL); | |
6329 | ||
72c4fd36 YB |
6330 | static ssize_t |
6331 | megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf) | |
6332 | { | |
6333 | return sprintf(buf, "%u\n", support_poll_for_event); | |
6334 | } | |
6335 | ||
6336 | static DRIVER_ATTR(support_poll_for_event, S_IRUGO, | |
6337 | megasas_sysfs_show_support_poll_for_event, NULL); | |
6338 | ||
837f5fe8 YB |
6339 | static ssize_t |
6340 | megasas_sysfs_show_support_device_change(struct device_driver *dd, char *buf) | |
6341 | { | |
6342 | return sprintf(buf, "%u\n", support_device_change); | |
6343 | } | |
6344 | ||
6345 | static DRIVER_ATTR(support_device_change, S_IRUGO, | |
6346 | megasas_sysfs_show_support_device_change, NULL); | |
6347 | ||
658dcedb SP |
6348 | static ssize_t |
6349 | megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) | |
6350 | { | |
ad84db2e | 6351 | return sprintf(buf, "%u\n", megasas_dbg_lvl); |
658dcedb SP |
6352 | } |
6353 | ||
6354 | static ssize_t | |
6355 | megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t count) | |
6356 | { | |
6357 | int retval = count; | |
6358 | if(sscanf(buf,"%u",&megasas_dbg_lvl)<1){ | |
6359 | printk(KERN_ERR "megasas: could not set dbg_lvl\n"); | |
6360 | retval = -EINVAL; | |
6361 | } | |
6362 | return retval; | |
6363 | } | |
6364 | ||
66dca9b8 | 6365 | static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUSR, megasas_sysfs_show_dbg_lvl, |
ad84db2e | 6366 | megasas_sysfs_set_dbg_lvl); |
6367 | ||
7e8a75f4 YB |
6368 | static void |
6369 | megasas_aen_polling(struct work_struct *work) | |
6370 | { | |
6371 | struct megasas_aen_event *ev = | |
c1d390d8 | 6372 | container_of(work, struct megasas_aen_event, hotplug_work.work); |
7e8a75f4 YB |
6373 | struct megasas_instance *instance = ev->instance; |
6374 | union megasas_evt_class_locale class_locale; | |
6375 | struct Scsi_Host *host; | |
6376 | struct scsi_device *sdev1; | |
6377 | u16 pd_index = 0; | |
c9786842 | 6378 | u16 ld_index = 0; |
7e8a75f4 | 6379 | int i, j, doscan = 0; |
229fe47c | 6380 | u32 seq_num, wait_time = MEGASAS_RESET_WAIT_TIME; |
7e8a75f4 YB |
6381 | int error; |
6382 | ||
6383 | if (!instance) { | |
6384 | printk(KERN_ERR "invalid instance!\n"); | |
6385 | kfree(ev); | |
6386 | return; | |
6387 | } | |
229fe47c AR |
6388 | |
6389 | /* Adjust event workqueue thread wait time for VF mode */ | |
6390 | if (instance->requestorId) | |
6391 | wait_time = MEGASAS_ROUTINE_WAIT_TIME_VF; | |
6392 | ||
6393 | /* Don't run the event workqueue thread if OCR is running */ | |
6394 | for (i = 0; i < wait_time; i++) { | |
6395 | if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) | |
6396 | break; | |
6397 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
6398 | printk(KERN_NOTICE "megasas: %s waiting for " | |
6399 | "controller reset to finish for scsi%d\n", | |
6400 | __func__, instance->host->host_no); | |
6401 | } | |
6402 | msleep(1000); | |
6403 | } | |
6404 | ||
7e8a75f4 YB |
6405 | instance->ev = NULL; |
6406 | host = instance->host; | |
6407 | if (instance->evt_detail) { | |
6408 | ||
94cd65dd | 6409 | switch (le32_to_cpu(instance->evt_detail->code)) { |
7e8a75f4 | 6410 | case MR_EVT_PD_INSERTED: |
c9786842 YB |
6411 | if (megasas_get_pd_list(instance) == 0) { |
6412 | for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { | |
6413 | for (j = 0; | |
6414 | j < MEGASAS_MAX_DEV_PER_CHANNEL; | |
6415 | j++) { | |
6416 | ||
6417 | pd_index = | |
6418 | (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; | |
6419 | ||
6420 | sdev1 = | |
6421 | scsi_device_lookup(host, i, j, 0); | |
6422 | ||
6423 | if (instance->pd_list[pd_index].driveState | |
6424 | == MR_PD_STATE_SYSTEM) { | |
6425 | if (!sdev1) { | |
6426 | scsi_add_device(host, i, j, 0); | |
6427 | } | |
6428 | ||
6429 | if (sdev1) | |
6430 | scsi_device_put(sdev1); | |
6431 | } | |
6432 | } | |
6433 | } | |
6434 | } | |
6435 | doscan = 0; | |
6436 | break; | |
6437 | ||
7e8a75f4 | 6438 | case MR_EVT_PD_REMOVED: |
c9786842 | 6439 | if (megasas_get_pd_list(instance) == 0) { |
c9786842 YB |
6440 | for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { |
6441 | for (j = 0; | |
6442 | j < MEGASAS_MAX_DEV_PER_CHANNEL; | |
6443 | j++) { | |
6444 | ||
6445 | pd_index = | |
6446 | (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; | |
6447 | ||
6448 | sdev1 = | |
6449 | scsi_device_lookup(host, i, j, 0); | |
6450 | ||
6451 | if (instance->pd_list[pd_index].driveState | |
6452 | == MR_PD_STATE_SYSTEM) { | |
6453 | if (sdev1) { | |
6454 | scsi_device_put(sdev1); | |
6455 | } | |
6456 | } else { | |
6457 | if (sdev1) { | |
6458 | scsi_remove_device(sdev1); | |
6459 | scsi_device_put(sdev1); | |
6460 | } | |
6461 | } | |
6462 | } | |
6463 | } | |
6464 | } | |
6465 | doscan = 0; | |
6466 | break; | |
6467 | ||
6468 | case MR_EVT_LD_OFFLINE: | |
4c598b23 | 6469 | case MR_EVT_CFG_CLEARED: |
c9786842 | 6470 | case MR_EVT_LD_DELETED: |
229fe47c AR |
6471 | if (!instance->requestorId || |
6472 | (instance->requestorId && | |
6473 | megasas_get_ld_vf_affiliation(instance, 0))) { | |
6474 | if (megasas_ld_list_query(instance, | |
6475 | MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) | |
6476 | megasas_get_ld_list(instance); | |
6477 | for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { | |
6478 | for (j = 0; | |
6479 | j < MEGASAS_MAX_DEV_PER_CHANNEL; | |
6480 | j++) { | |
6481 | ||
6482 | ld_index = | |
6483 | (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; | |
6484 | ||
6485 | sdev1 = scsi_device_lookup(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); | |
6486 | ||
6487 | if (instance->ld_ids[ld_index] | |
6488 | != 0xff) { | |
6489 | if (sdev1) | |
6490 | scsi_device_put(sdev1); | |
6491 | } else { | |
6492 | if (sdev1) { | |
6493 | scsi_remove_device(sdev1); | |
6494 | scsi_device_put(sdev1); | |
6495 | } | |
6496 | } | |
c9786842 YB |
6497 | } |
6498 | } | |
229fe47c | 6499 | doscan = 0; |
c9786842 | 6500 | } |
c9786842 YB |
6501 | break; |
6502 | case MR_EVT_LD_CREATED: | |
229fe47c AR |
6503 | if (!instance->requestorId || |
6504 | (instance->requestorId && | |
6505 | megasas_get_ld_vf_affiliation(instance, 0))) { | |
6506 | if (megasas_ld_list_query(instance, | |
6507 | MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) | |
6508 | megasas_get_ld_list(instance); | |
6509 | for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { | |
6510 | for (j = 0; | |
6511 | j < MEGASAS_MAX_DEV_PER_CHANNEL; | |
6512 | j++) { | |
6513 | ld_index = | |
6514 | (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; | |
6515 | ||
6516 | sdev1 = scsi_device_lookup(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); | |
6517 | ||
6518 | if (instance->ld_ids[ld_index] | |
6519 | != 0xff) { | |
6520 | if (!sdev1) | |
6521 | scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); | |
c9786842 | 6522 | } |
229fe47c AR |
6523 | if (sdev1) |
6524 | scsi_device_put(sdev1); | |
c9786842 YB |
6525 | } |
6526 | } | |
229fe47c | 6527 | doscan = 0; |
c9786842 | 6528 | } |
c9786842 | 6529 | break; |
7e8a75f4 | 6530 | case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED: |
c9786842 | 6531 | case MR_EVT_FOREIGN_CFG_IMPORTED: |
9c915a8c | 6532 | case MR_EVT_LD_STATE_CHANGE: |
7e8a75f4 YB |
6533 | doscan = 1; |
6534 | break; | |
6535 | default: | |
6536 | doscan = 0; | |
6537 | break; | |
6538 | } | |
6539 | } else { | |
6540 | printk(KERN_ERR "invalid evt_detail!\n"); | |
6541 | kfree(ev); | |
6542 | return; | |
6543 | } | |
6544 | ||
6545 | if (doscan) { | |
229fe47c AR |
6546 | printk(KERN_INFO "megaraid_sas: scanning for scsi%d...\n", |
6547 | instance->host->host_no); | |
58968fc8 HR |
6548 | if (megasas_get_pd_list(instance) == 0) { |
6549 | for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { | |
6550 | for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { | |
6551 | pd_index = i*MEGASAS_MAX_DEV_PER_CHANNEL + j; | |
6552 | sdev1 = scsi_device_lookup(host, i, j, 0); | |
6553 | if (instance->pd_list[pd_index].driveState == | |
6554 | MR_PD_STATE_SYSTEM) { | |
6555 | if (!sdev1) { | |
6556 | scsi_add_device(host, i, j, 0); | |
6557 | } | |
6558 | if (sdev1) | |
6559 | scsi_device_put(sdev1); | |
6560 | } else { | |
6561 | if (sdev1) { | |
6562 | scsi_remove_device(sdev1); | |
6563 | scsi_device_put(sdev1); | |
6564 | } | |
7e8a75f4 YB |
6565 | } |
6566 | } | |
6567 | } | |
6568 | } | |
c9786842 | 6569 | |
229fe47c AR |
6570 | if (!instance->requestorId || |
6571 | (instance->requestorId && | |
6572 | megasas_get_ld_vf_affiliation(instance, 0))) { | |
6573 | if (megasas_ld_list_query(instance, | |
6574 | MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) | |
6575 | megasas_get_ld_list(instance); | |
6576 | for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { | |
6577 | for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; | |
6578 | j++) { | |
6579 | ld_index = | |
6580 | (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; | |
c9786842 | 6581 | |
229fe47c AR |
6582 | sdev1 = scsi_device_lookup(host, |
6583 | MEGASAS_MAX_PD_CHANNELS + i, j, 0); | |
6584 | if (instance->ld_ids[ld_index] | |
6585 | != 0xff) { | |
6586 | if (!sdev1) | |
6587 | scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); | |
6588 | else | |
6589 | scsi_device_put(sdev1); | |
c9786842 | 6590 | } else { |
229fe47c AR |
6591 | if (sdev1) { |
6592 | scsi_remove_device(sdev1); | |
6593 | scsi_device_put(sdev1); | |
6594 | } | |
c9786842 YB |
6595 | } |
6596 | } | |
6597 | } | |
6598 | } | |
7e8a75f4 YB |
6599 | } |
6600 | ||
6601 | if ( instance->aen_cmd != NULL ) { | |
6602 | kfree(ev); | |
6603 | return ; | |
6604 | } | |
6605 | ||
94cd65dd | 6606 | seq_num = le32_to_cpu(instance->evt_detail->seq_num) + 1; |
7e8a75f4 YB |
6607 | |
6608 | /* Register AEN with FW for latest sequence number plus 1 */ | |
6609 | class_locale.members.reserved = 0; | |
6610 | class_locale.members.locale = MR_EVT_LOCALE_ALL; | |
6611 | class_locale.members.class = MR_EVT_CLASS_DEBUG; | |
6612 | mutex_lock(&instance->aen_mutex); | |
6613 | error = megasas_register_aen(instance, seq_num, | |
6614 | class_locale.word); | |
6615 | mutex_unlock(&instance->aen_mutex); | |
6616 | ||
6617 | if (error) | |
6618 | printk(KERN_ERR "register aen failed error %x\n", error); | |
6619 | ||
6620 | kfree(ev); | |
6621 | } | |
6622 | ||
c4a3e0a5 BS |
6623 | /** |
6624 | * megasas_init - Driver load entry point | |
6625 | */ | |
6626 | static int __init megasas_init(void) | |
6627 | { | |
6628 | int rval; | |
6629 | ||
6630 | /* | |
6631 | * Announce driver version and other information | |
6632 | */ | |
6633 | printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION, | |
6634 | MEGASAS_EXT_VERSION); | |
6635 | ||
bd8d6dd4 KD |
6636 | spin_lock_init(&poll_aen_lock); |
6637 | ||
72c4fd36 | 6638 | support_poll_for_event = 2; |
837f5fe8 | 6639 | support_device_change = 1; |
72c4fd36 | 6640 | |
c4a3e0a5 BS |
6641 | memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info)); |
6642 | ||
6643 | /* | |
6644 | * Register character device node | |
6645 | */ | |
6646 | rval = register_chrdev(0, "megaraid_sas_ioctl", &megasas_mgmt_fops); | |
6647 | ||
6648 | if (rval < 0) { | |
6649 | printk(KERN_DEBUG "megasas: failed to open device node\n"); | |
6650 | return rval; | |
6651 | } | |
6652 | ||
6653 | megasas_mgmt_majorno = rval; | |
6654 | ||
6655 | /* | |
6656 | * Register ourselves as PCI hotplug module | |
6657 | */ | |
4041b9cd | 6658 | rval = pci_register_driver(&megasas_pci_driver); |
c4a3e0a5 BS |
6659 | |
6660 | if (rval) { | |
6661 | printk(KERN_DEBUG "megasas: PCI hotplug regisration failed \n"); | |
83aabc1b JG |
6662 | goto err_pcidrv; |
6663 | } | |
6664 | ||
6665 | rval = driver_create_file(&megasas_pci_driver.driver, | |
6666 | &driver_attr_version); | |
6667 | if (rval) | |
6668 | goto err_dcf_attr_ver; | |
6669 | rval = driver_create_file(&megasas_pci_driver.driver, | |
6670 | &driver_attr_release_date); | |
6671 | if (rval) | |
6672 | goto err_dcf_rel_date; | |
72c4fd36 YB |
6673 | |
6674 | rval = driver_create_file(&megasas_pci_driver.driver, | |
6675 | &driver_attr_support_poll_for_event); | |
6676 | if (rval) | |
6677 | goto err_dcf_support_poll_for_event; | |
6678 | ||
83aabc1b JG |
6679 | rval = driver_create_file(&megasas_pci_driver.driver, |
6680 | &driver_attr_dbg_lvl); | |
6681 | if (rval) | |
6682 | goto err_dcf_dbg_lvl; | |
837f5fe8 YB |
6683 | rval = driver_create_file(&megasas_pci_driver.driver, |
6684 | &driver_attr_support_device_change); | |
6685 | if (rval) | |
6686 | goto err_dcf_support_device_change; | |
6687 | ||
c4a3e0a5 | 6688 | return rval; |
ad84db2e | 6689 | |
837f5fe8 | 6690 | err_dcf_support_device_change: |
ad84db2e | 6691 | driver_remove_file(&megasas_pci_driver.driver, |
6692 | &driver_attr_dbg_lvl); | |
83aabc1b | 6693 | err_dcf_dbg_lvl: |
72c4fd36 YB |
6694 | driver_remove_file(&megasas_pci_driver.driver, |
6695 | &driver_attr_support_poll_for_event); | |
6696 | ||
6697 | err_dcf_support_poll_for_event: | |
83aabc1b JG |
6698 | driver_remove_file(&megasas_pci_driver.driver, |
6699 | &driver_attr_release_date); | |
72c4fd36 | 6700 | |
83aabc1b JG |
6701 | err_dcf_rel_date: |
6702 | driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); | |
6703 | err_dcf_attr_ver: | |
6704 | pci_unregister_driver(&megasas_pci_driver); | |
6705 | err_pcidrv: | |
6706 | unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); | |
0d49016b | 6707 | return rval; |
c4a3e0a5 BS |
6708 | } |
6709 | ||
6710 | /** | |
6711 | * megasas_exit - Driver unload entry point | |
6712 | */ | |
6713 | static void __exit megasas_exit(void) | |
6714 | { | |
658dcedb SP |
6715 | driver_remove_file(&megasas_pci_driver.driver, |
6716 | &driver_attr_dbg_lvl); | |
837f5fe8 YB |
6717 | driver_remove_file(&megasas_pci_driver.driver, |
6718 | &driver_attr_support_poll_for_event); | |
6719 | driver_remove_file(&megasas_pci_driver.driver, | |
6720 | &driver_attr_support_device_change); | |
83aabc1b JG |
6721 | driver_remove_file(&megasas_pci_driver.driver, |
6722 | &driver_attr_release_date); | |
6723 | driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); | |
c4a3e0a5 BS |
6724 | |
6725 | pci_unregister_driver(&megasas_pci_driver); | |
6726 | unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); | |
6727 | } | |
6728 | ||
6729 | module_init(megasas_init); | |
6730 | module_exit(megasas_exit); |