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c4a3e0a5 | 1 | /* |
3f1530c1 | 2 | * Linux MegaRAID driver for SAS based RAID controllers |
c4a3e0a5 | 3 | * |
e399065b SS |
4 | * Copyright (c) 2003-2013 LSI Corporation |
5 | * Copyright (c) 2013-2014 Avago Technologies | |
c4a3e0a5 | 6 | * |
3f1530c1 AR |
7 | * This program is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
c4a3e0a5 | 11 | * |
3f1530c1 AR |
12 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
c4a3e0a5 | 16 | * |
3f1530c1 | 17 | * You should have received a copy of the GNU General Public License |
e399065b | 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
c4a3e0a5 | 19 | * |
e399065b | 20 | * Authors: Avago Technologies |
3f1530c1 AR |
21 | * Sreenivas Bagalkote |
22 | * Sumant Patro | |
23 | * Bo Yang | |
e399065b SS |
24 | * Adam Radford |
25 | * Kashyap Desai <kashyap.desai@avagotech.com> | |
26 | * Sumit Saxena <sumit.saxena@avagotech.com> | |
c4a3e0a5 | 27 | * |
e399065b | 28 | * Send feedback to: megaraidlinux.pdl@avagotech.com |
3f1530c1 | 29 | * |
e399065b SS |
30 | * Mail to: Avago Technologies, 350 West Trimble Road, Building 90, |
31 | * San Jose, California 95131 | |
c4a3e0a5 BS |
32 | */ |
33 | ||
34 | #include <linux/kernel.h> | |
35 | #include <linux/types.h> | |
36 | #include <linux/pci.h> | |
37 | #include <linux/list.h> | |
c4a3e0a5 BS |
38 | #include <linux/moduleparam.h> |
39 | #include <linux/module.h> | |
40 | #include <linux/spinlock.h> | |
41 | #include <linux/interrupt.h> | |
42 | #include <linux/delay.h> | |
43 | #include <linux/uio.h> | |
5a0e3ad6 | 44 | #include <linux/slab.h> |
7c0f6ba6 | 45 | #include <linux/uaccess.h> |
318aaef8 | 46 | #include <asm/unaligned.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 | ||
ae09a6c1 | 82 | static unsigned int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH; |
c5daa6a9 AR |
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 | ||
e3d178ca | 87 | unsigned int resetwaittime = MEGASAS_RESET_WAIT_TIME; |
c007b8b2 AR |
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 | ||
179ac142 SS |
96 | int rdpq_enable = 1; |
97 | module_param(rdpq_enable, int, S_IRUGO); | |
98 | MODULE_PARM_DESC(rdpq_enable, " Allocate reply queue in chunks for large queue depth enable/disable Default: disable(0)"); | |
99 | ||
308ec459 SS |
100 | unsigned int dual_qdepth_disable; |
101 | module_param(dual_qdepth_disable, int, S_IRUGO); | |
102 | MODULE_PARM_DESC(dual_qdepth_disable, "Disable dual queue depth feature. Default: 0"); | |
103 | ||
e3d178ca SS |
104 | unsigned int scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT; |
105 | module_param(scmd_timeout, int, S_IRUGO); | |
106 | MODULE_PARM_DESC(scmd_timeout, "scsi command timeout (10-90s), default 90s. See megasas_reset_timer."); | |
107 | ||
c4a3e0a5 BS |
108 | MODULE_LICENSE("GPL"); |
109 | MODULE_VERSION(MEGASAS_VERSION); | |
43cd7fe4 SS |
110 | MODULE_AUTHOR("megaraidlinux.pdl@avagotech.com"); |
111 | MODULE_DESCRIPTION("Avago MegaRAID SAS Driver"); | |
c4a3e0a5 | 112 | |
058a8fac | 113 | int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); |
39a98554 | 114 | static int megasas_get_pd_list(struct megasas_instance *instance); |
21c9e160 AR |
115 | static int megasas_ld_list_query(struct megasas_instance *instance, |
116 | u8 query_type); | |
39a98554 | 117 | static int megasas_issue_init_mfi(struct megasas_instance *instance); |
118 | static int megasas_register_aen(struct megasas_instance *instance, | |
119 | u32 seq_num, u32 class_locale_word); | |
15dd0381 S |
120 | static void megasas_get_pd_info(struct megasas_instance *instance, |
121 | struct scsi_device *sdev); | |
96188a89 S |
122 | static int megasas_get_target_prop(struct megasas_instance *instance, |
123 | struct scsi_device *sdev); | |
c4a3e0a5 BS |
124 | /* |
125 | * PCI ID table for all supported controllers | |
126 | */ | |
127 | static struct pci_device_id megasas_pci_table[] = { | |
128 | ||
f3d7271c HK |
129 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064R)}, |
130 | /* xscale IOP */ | |
131 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078R)}, | |
132 | /* ppc IOP */ | |
af7a5647 | 133 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078DE)}, |
134 | /* ppc IOP */ | |
6610a6b3 YB |
135 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078GEN2)}, |
136 | /* gen2*/ | |
137 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0079GEN2)}, | |
138 | /* gen2*/ | |
87911122 YB |
139 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0073SKINNY)}, |
140 | /* skinny*/ | |
141 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0071SKINNY)}, | |
142 | /* skinny*/ | |
f3d7271c HK |
143 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)}, |
144 | /* xscale IOP, vega */ | |
145 | {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)}, | |
146 | /* xscale IOP */ | |
9c915a8c AR |
147 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)}, |
148 | /* Fusion */ | |
229fe47c AR |
149 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_PLASMA)}, |
150 | /* Plasma */ | |
36807e67 AR |
151 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)}, |
152 | /* Invader */ | |
21d3c710 SS |
153 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FURY)}, |
154 | /* Fury */ | |
90c204bc | 155 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INTRUDER)}, |
156 | /* Intruder */ | |
157 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INTRUDER_24)}, | |
158 | /* Intruder 24 port*/ | |
7364d34b | 159 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_52)}, |
160 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_53)}, | |
45f4f2eb SC |
161 | /* VENTURA */ |
162 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA)}, | |
163 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_HARPOON)}, | |
164 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_TOMCAT)}, | |
165 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA_4PORT)}, | |
166 | {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CRUSADER_4PORT)}, | |
f3d7271c | 167 | {} |
c4a3e0a5 BS |
168 | }; |
169 | ||
170 | MODULE_DEVICE_TABLE(pci, megasas_pci_table); | |
171 | ||
172 | static int megasas_mgmt_majorno; | |
229fe47c | 173 | struct megasas_mgmt_info megasas_mgmt_info; |
c4a3e0a5 | 174 | static struct fasync_struct *megasas_async_queue; |
0b950672 | 175 | static DEFINE_MUTEX(megasas_async_queue_mutex); |
c4a3e0a5 | 176 | |
c3518837 YB |
177 | static int megasas_poll_wait_aen; |
178 | static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait); | |
72c4fd36 | 179 | static u32 support_poll_for_event; |
9c915a8c | 180 | u32 megasas_dbg_lvl; |
837f5fe8 | 181 | static u32 support_device_change; |
658dcedb | 182 | |
c3518837 YB |
183 | /* define lock for aen poll */ |
184 | spinlock_t poll_aen_lock; | |
185 | ||
9c915a8c | 186 | void |
7343eb65 | 187 | megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, |
188 | u8 alt_status); | |
ebf054b0 AR |
189 | static u32 |
190 | megasas_read_fw_status_reg_gen2(struct megasas_register_set __iomem *regs); | |
191 | static int | |
192 | megasas_adp_reset_gen2(struct megasas_instance *instance, | |
193 | struct megasas_register_set __iomem *reg_set); | |
cd50ba8e AR |
194 | static irqreturn_t megasas_isr(int irq, void *devp); |
195 | static u32 | |
196 | megasas_init_adapter_mfi(struct megasas_instance *instance); | |
197 | u32 | |
198 | megasas_build_and_issue_cmd(struct megasas_instance *instance, | |
199 | struct scsi_cmnd *scmd); | |
200 | static void megasas_complete_cmd_dpc(unsigned long instance_addr); | |
9c915a8c | 201 | int |
229fe47c AR |
202 | wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, |
203 | int seconds); | |
9c915a8c | 204 | void megasas_fusion_ocr_wq(struct work_struct *work); |
229fe47c AR |
205 | static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, |
206 | int initial); | |
cd50ba8e | 207 | |
f4fc2093 | 208 | void |
cd50ba8e AR |
209 | megasas_issue_dcmd(struct megasas_instance *instance, struct megasas_cmd *cmd) |
210 | { | |
211 | instance->instancet->fire_cmd(instance, | |
212 | cmd->frame_phys_addr, 0, instance->reg_set); | |
f4fc2093 | 213 | return; |
cd50ba8e | 214 | } |
7343eb65 | 215 | |
c4a3e0a5 BS |
216 | /** |
217 | * megasas_get_cmd - Get a command from the free pool | |
218 | * @instance: Adapter soft state | |
219 | * | |
220 | * Returns a free command from the pool | |
221 | */ | |
9c915a8c | 222 | struct megasas_cmd *megasas_get_cmd(struct megasas_instance |
c4a3e0a5 BS |
223 | *instance) |
224 | { | |
225 | unsigned long flags; | |
226 | struct megasas_cmd *cmd = NULL; | |
227 | ||
90dc9d98 | 228 | spin_lock_irqsave(&instance->mfi_pool_lock, flags); |
c4a3e0a5 BS |
229 | |
230 | if (!list_empty(&instance->cmd_pool)) { | |
231 | cmd = list_entry((&instance->cmd_pool)->next, | |
232 | struct megasas_cmd, list); | |
233 | list_del_init(&cmd->list); | |
234 | } else { | |
1be18254 | 235 | dev_err(&instance->pdev->dev, "Command pool empty!\n"); |
c4a3e0a5 BS |
236 | } |
237 | ||
90dc9d98 | 238 | spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); |
c4a3e0a5 BS |
239 | return cmd; |
240 | } | |
241 | ||
242 | /** | |
4026e9aa | 243 | * megasas_return_cmd - Return a cmd to free command pool |
c4a3e0a5 BS |
244 | * @instance: Adapter soft state |
245 | * @cmd: Command packet to be returned to free command pool | |
246 | */ | |
9c915a8c | 247 | inline void |
4026e9aa | 248 | megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) |
c4a3e0a5 | 249 | { |
4026e9aa SS |
250 | unsigned long flags; |
251 | u32 blk_tags; | |
252 | struct megasas_cmd_fusion *cmd_fusion; | |
253 | struct fusion_context *fusion = instance->ctrl_context; | |
254 | ||
255 | /* This flag is used only for fusion adapter. | |
256 | * Wait for Interrupt for Polled mode DCMD | |
90dc9d98 | 257 | */ |
4026e9aa | 258 | if (cmd->flags & DRV_DCMD_POLLED_MODE) |
90dc9d98 | 259 | return; |
c4a3e0a5 | 260 | |
4026e9aa SS |
261 | spin_lock_irqsave(&instance->mfi_pool_lock, flags); |
262 | ||
263 | if (fusion) { | |
264 | blk_tags = instance->max_scsi_cmds + cmd->index; | |
265 | cmd_fusion = fusion->cmd_list[blk_tags]; | |
266 | megasas_return_cmd_fusion(instance, cmd_fusion); | |
267 | } | |
c4a3e0a5 | 268 | cmd->scmd = NULL; |
9c915a8c | 269 | cmd->frame_count = 0; |
4026e9aa | 270 | cmd->flags = 0; |
21c34006 S |
271 | memset(cmd->frame, 0, instance->mfi_frame_size); |
272 | cmd->frame->io.context = cpu_to_le32(cmd->index); | |
4026e9aa | 273 | if (!fusion && reset_devices) |
e5f93a36 | 274 | cmd->frame->hdr.cmd = MFI_CMD_INVALID; |
90dc9d98 | 275 | list_add(&cmd->list, (&instance->cmd_pool)->next); |
90dc9d98 | 276 | |
90dc9d98 | 277 | spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); |
c4a3e0a5 | 278 | |
4026e9aa | 279 | } |
1341c939 | 280 | |
714f5177 | 281 | static const char * |
282 | format_timestamp(uint32_t timestamp) | |
283 | { | |
284 | static char buffer[32]; | |
285 | ||
286 | if ((timestamp & 0xff000000) == 0xff000000) | |
287 | snprintf(buffer, sizeof(buffer), "boot + %us", timestamp & | |
288 | 0x00ffffff); | |
289 | else | |
290 | snprintf(buffer, sizeof(buffer), "%us", timestamp); | |
291 | return buffer; | |
292 | } | |
293 | ||
294 | static const char * | |
295 | format_class(int8_t class) | |
296 | { | |
297 | static char buffer[6]; | |
298 | ||
299 | switch (class) { | |
300 | case MFI_EVT_CLASS_DEBUG: | |
301 | return "debug"; | |
302 | case MFI_EVT_CLASS_PROGRESS: | |
303 | return "progress"; | |
304 | case MFI_EVT_CLASS_INFO: | |
305 | return "info"; | |
306 | case MFI_EVT_CLASS_WARNING: | |
307 | return "WARN"; | |
308 | case MFI_EVT_CLASS_CRITICAL: | |
309 | return "CRIT"; | |
310 | case MFI_EVT_CLASS_FATAL: | |
311 | return "FATAL"; | |
312 | case MFI_EVT_CLASS_DEAD: | |
313 | return "DEAD"; | |
314 | default: | |
315 | snprintf(buffer, sizeof(buffer), "%d", class); | |
316 | return buffer; | |
317 | } | |
318 | } | |
319 | ||
320 | /** | |
321 | * megasas_decode_evt: Decode FW AEN event and print critical event | |
322 | * for information. | |
323 | * @instance: Adapter soft state | |
324 | */ | |
325 | static void | |
326 | megasas_decode_evt(struct megasas_instance *instance) | |
327 | { | |
328 | struct megasas_evt_detail *evt_detail = instance->evt_detail; | |
329 | union megasas_evt_class_locale class_locale; | |
330 | class_locale.word = le32_to_cpu(evt_detail->cl.word); | |
331 | ||
332 | if (class_locale.members.class >= MFI_EVT_CLASS_CRITICAL) | |
333 | dev_info(&instance->pdev->dev, "%d (%s/0x%04x/%s) - %s\n", | |
334 | le32_to_cpu(evt_detail->seq_num), | |
335 | format_timestamp(le32_to_cpu(evt_detail->time_stamp)), | |
336 | (class_locale.members.locale), | |
337 | format_class(class_locale.members.class), | |
338 | evt_detail->description); | |
339 | } | |
340 | ||
1341c939 | 341 | /** |
0d49016b | 342 | * The following functions are defined for xscale |
1341c939 SP |
343 | * (deviceid : 1064R, PERC5) controllers |
344 | */ | |
345 | ||
c4a3e0a5 | 346 | /** |
1341c939 | 347 | * megasas_enable_intr_xscale - Enables interrupts |
c4a3e0a5 BS |
348 | * @regs: MFI register set |
349 | */ | |
350 | static inline void | |
d46a3ad6 | 351 | megasas_enable_intr_xscale(struct megasas_instance *instance) |
c4a3e0a5 | 352 | { |
d46a3ad6 | 353 | struct megasas_register_set __iomem *regs; |
da0dc9fb | 354 | |
d46a3ad6 | 355 | regs = instance->reg_set; |
39a98554 | 356 | writel(0, &(regs)->outbound_intr_mask); |
c4a3e0a5 BS |
357 | |
358 | /* Dummy readl to force pci flush */ | |
359 | readl(®s->outbound_intr_mask); | |
360 | } | |
361 | ||
b274cab7 SP |
362 | /** |
363 | * megasas_disable_intr_xscale -Disables interrupt | |
364 | * @regs: MFI register set | |
365 | */ | |
366 | static inline void | |
d46a3ad6 | 367 | megasas_disable_intr_xscale(struct megasas_instance *instance) |
b274cab7 | 368 | { |
d46a3ad6 | 369 | struct megasas_register_set __iomem *regs; |
b274cab7 | 370 | u32 mask = 0x1f; |
da0dc9fb | 371 | |
d46a3ad6 | 372 | regs = instance->reg_set; |
b274cab7 SP |
373 | writel(mask, ®s->outbound_intr_mask); |
374 | /* Dummy readl to force pci flush */ | |
375 | readl(®s->outbound_intr_mask); | |
376 | } | |
377 | ||
1341c939 SP |
378 | /** |
379 | * megasas_read_fw_status_reg_xscale - returns the current FW status value | |
380 | * @regs: MFI register set | |
381 | */ | |
382 | static u32 | |
383 | megasas_read_fw_status_reg_xscale(struct megasas_register_set __iomem * regs) | |
384 | { | |
385 | return readl(&(regs)->outbound_msg_0); | |
386 | } | |
387 | /** | |
388 | * megasas_clear_interrupt_xscale - Check & clear interrupt | |
389 | * @regs: MFI register set | |
390 | */ | |
0d49016b | 391 | static int |
1341c939 SP |
392 | megasas_clear_intr_xscale(struct megasas_register_set __iomem * regs) |
393 | { | |
394 | u32 status; | |
39a98554 | 395 | u32 mfiStatus = 0; |
da0dc9fb | 396 | |
1341c939 SP |
397 | /* |
398 | * Check if it is our interrupt | |
399 | */ | |
400 | status = readl(®s->outbound_intr_status); | |
401 | ||
39a98554 | 402 | if (status & MFI_OB_INTR_STATUS_MASK) |
403 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; | |
404 | if (status & MFI_XSCALE_OMR0_CHANGE_INTERRUPT) | |
405 | mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
1341c939 SP |
406 | |
407 | /* | |
408 | * Clear the interrupt by writing back the same value | |
409 | */ | |
39a98554 | 410 | if (mfiStatus) |
411 | writel(status, ®s->outbound_intr_status); | |
1341c939 | 412 | |
06f579de YB |
413 | /* Dummy readl to force pci flush */ |
414 | readl(®s->outbound_intr_status); | |
415 | ||
39a98554 | 416 | return mfiStatus; |
1341c939 SP |
417 | } |
418 | ||
419 | /** | |
420 | * megasas_fire_cmd_xscale - Sends command to the FW | |
421 | * @frame_phys_addr : Physical address of cmd | |
422 | * @frame_count : Number of frames for the command | |
423 | * @regs : MFI register set | |
424 | */ | |
0d49016b | 425 | static inline void |
0c79e681 YB |
426 | megasas_fire_cmd_xscale(struct megasas_instance *instance, |
427 | dma_addr_t frame_phys_addr, | |
428 | u32 frame_count, | |
429 | struct megasas_register_set __iomem *regs) | |
1341c939 | 430 | { |
39a98554 | 431 | unsigned long flags; |
da0dc9fb | 432 | |
39a98554 | 433 | spin_lock_irqsave(&instance->hba_lock, flags); |
1341c939 SP |
434 | writel((frame_phys_addr >> 3)|(frame_count), |
435 | &(regs)->inbound_queue_port); | |
39a98554 | 436 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
437 | } | |
438 | ||
439 | /** | |
440 | * megasas_adp_reset_xscale - For controller reset | |
441 | * @regs: MFI register set | |
442 | */ | |
443 | static int | |
444 | megasas_adp_reset_xscale(struct megasas_instance *instance, | |
445 | struct megasas_register_set __iomem *regs) | |
446 | { | |
447 | u32 i; | |
448 | u32 pcidata; | |
da0dc9fb | 449 | |
39a98554 | 450 | writel(MFI_ADP_RESET, ®s->inbound_doorbell); |
451 | ||
452 | for (i = 0; i < 3; i++) | |
453 | msleep(1000); /* sleep for 3 secs */ | |
454 | pcidata = 0; | |
455 | pci_read_config_dword(instance->pdev, MFI_1068_PCSR_OFFSET, &pcidata); | |
1be18254 | 456 | dev_notice(&instance->pdev->dev, "pcidata = %x\n", pcidata); |
39a98554 | 457 | if (pcidata & 0x2) { |
1be18254 | 458 | dev_notice(&instance->pdev->dev, "mfi 1068 offset read=%x\n", pcidata); |
39a98554 | 459 | pcidata &= ~0x2; |
460 | pci_write_config_dword(instance->pdev, | |
461 | MFI_1068_PCSR_OFFSET, pcidata); | |
462 | ||
463 | for (i = 0; i < 2; i++) | |
464 | msleep(1000); /* need to wait 2 secs again */ | |
465 | ||
466 | pcidata = 0; | |
467 | pci_read_config_dword(instance->pdev, | |
468 | MFI_1068_FW_HANDSHAKE_OFFSET, &pcidata); | |
1be18254 | 469 | dev_notice(&instance->pdev->dev, "1068 offset handshake read=%x\n", pcidata); |
39a98554 | 470 | if ((pcidata & 0xffff0000) == MFI_1068_FW_READY) { |
1be18254 | 471 | dev_notice(&instance->pdev->dev, "1068 offset pcidt=%x\n", pcidata); |
39a98554 | 472 | pcidata = 0; |
473 | pci_write_config_dword(instance->pdev, | |
474 | MFI_1068_FW_HANDSHAKE_OFFSET, pcidata); | |
475 | } | |
476 | } | |
477 | return 0; | |
478 | } | |
479 | ||
480 | /** | |
481 | * megasas_check_reset_xscale - For controller reset check | |
482 | * @regs: MFI register set | |
483 | */ | |
484 | static int | |
485 | megasas_check_reset_xscale(struct megasas_instance *instance, | |
486 | struct megasas_register_set __iomem *regs) | |
487 | { | |
8a01a41d | 488 | if ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && |
94cd65dd SS |
489 | (le32_to_cpu(*instance->consumer) == |
490 | MEGASAS_ADPRESET_INPROG_SIGN)) | |
39a98554 | 491 | return 1; |
39a98554 | 492 | return 0; |
1341c939 SP |
493 | } |
494 | ||
495 | static struct megasas_instance_template megasas_instance_template_xscale = { | |
496 | ||
497 | .fire_cmd = megasas_fire_cmd_xscale, | |
498 | .enable_intr = megasas_enable_intr_xscale, | |
b274cab7 | 499 | .disable_intr = megasas_disable_intr_xscale, |
1341c939 SP |
500 | .clear_intr = megasas_clear_intr_xscale, |
501 | .read_fw_status_reg = megasas_read_fw_status_reg_xscale, | |
39a98554 | 502 | .adp_reset = megasas_adp_reset_xscale, |
503 | .check_reset = megasas_check_reset_xscale, | |
cd50ba8e AR |
504 | .service_isr = megasas_isr, |
505 | .tasklet = megasas_complete_cmd_dpc, | |
506 | .init_adapter = megasas_init_adapter_mfi, | |
507 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
508 | .issue_dcmd = megasas_issue_dcmd, | |
1341c939 SP |
509 | }; |
510 | ||
511 | /** | |
0d49016b | 512 | * This is the end of set of functions & definitions specific |
1341c939 SP |
513 | * to xscale (deviceid : 1064R, PERC5) controllers |
514 | */ | |
515 | ||
f9876f0b | 516 | /** |
0d49016b | 517 | * The following functions are defined for ppc (deviceid : 0x60) |
da0dc9fb | 518 | * controllers |
f9876f0b SP |
519 | */ |
520 | ||
521 | /** | |
522 | * megasas_enable_intr_ppc - Enables interrupts | |
523 | * @regs: MFI register set | |
524 | */ | |
525 | static inline void | |
d46a3ad6 | 526 | megasas_enable_intr_ppc(struct megasas_instance *instance) |
f9876f0b | 527 | { |
d46a3ad6 | 528 | struct megasas_register_set __iomem *regs; |
da0dc9fb | 529 | |
d46a3ad6 | 530 | regs = instance->reg_set; |
f9876f0b | 531 | writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear); |
0d49016b | 532 | |
39a98554 | 533 | writel(~0x80000000, &(regs)->outbound_intr_mask); |
f9876f0b SP |
534 | |
535 | /* Dummy readl to force pci flush */ | |
536 | readl(®s->outbound_intr_mask); | |
537 | } | |
538 | ||
b274cab7 SP |
539 | /** |
540 | * megasas_disable_intr_ppc - Disable interrupt | |
541 | * @regs: MFI register set | |
542 | */ | |
543 | static inline void | |
d46a3ad6 | 544 | megasas_disable_intr_ppc(struct megasas_instance *instance) |
b274cab7 | 545 | { |
d46a3ad6 | 546 | struct megasas_register_set __iomem *regs; |
b274cab7 | 547 | u32 mask = 0xFFFFFFFF; |
da0dc9fb | 548 | |
d46a3ad6 | 549 | regs = instance->reg_set; |
b274cab7 SP |
550 | writel(mask, ®s->outbound_intr_mask); |
551 | /* Dummy readl to force pci flush */ | |
552 | readl(®s->outbound_intr_mask); | |
553 | } | |
554 | ||
f9876f0b SP |
555 | /** |
556 | * megasas_read_fw_status_reg_ppc - returns the current FW status value | |
557 | * @regs: MFI register set | |
558 | */ | |
559 | static u32 | |
560 | megasas_read_fw_status_reg_ppc(struct megasas_register_set __iomem * regs) | |
561 | { | |
562 | return readl(&(regs)->outbound_scratch_pad); | |
563 | } | |
564 | ||
565 | /** | |
566 | * megasas_clear_interrupt_ppc - Check & clear interrupt | |
567 | * @regs: MFI register set | |
568 | */ | |
0d49016b | 569 | static int |
f9876f0b SP |
570 | megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs) |
571 | { | |
3cc6851f AR |
572 | u32 status, mfiStatus = 0; |
573 | ||
f9876f0b SP |
574 | /* |
575 | * Check if it is our interrupt | |
576 | */ | |
577 | status = readl(®s->outbound_intr_status); | |
578 | ||
3cc6851f AR |
579 | if (status & MFI_REPLY_1078_MESSAGE_INTERRUPT) |
580 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; | |
581 | ||
582 | if (status & MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT) | |
583 | mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
f9876f0b SP |
584 | |
585 | /* | |
586 | * Clear the interrupt by writing back the same value | |
587 | */ | |
588 | writel(status, ®s->outbound_doorbell_clear); | |
589 | ||
06f579de YB |
590 | /* Dummy readl to force pci flush */ |
591 | readl(®s->outbound_doorbell_clear); | |
592 | ||
3cc6851f | 593 | return mfiStatus; |
f9876f0b | 594 | } |
3cc6851f | 595 | |
f9876f0b SP |
596 | /** |
597 | * megasas_fire_cmd_ppc - Sends command to the FW | |
598 | * @frame_phys_addr : Physical address of cmd | |
599 | * @frame_count : Number of frames for the command | |
600 | * @regs : MFI register set | |
601 | */ | |
0d49016b | 602 | static inline void |
0c79e681 YB |
603 | megasas_fire_cmd_ppc(struct megasas_instance *instance, |
604 | dma_addr_t frame_phys_addr, | |
605 | u32 frame_count, | |
606 | struct megasas_register_set __iomem *regs) | |
f9876f0b | 607 | { |
39a98554 | 608 | unsigned long flags; |
da0dc9fb | 609 | |
39a98554 | 610 | spin_lock_irqsave(&instance->hba_lock, flags); |
0d49016b | 611 | writel((frame_phys_addr | (frame_count<<1))|1, |
f9876f0b | 612 | &(regs)->inbound_queue_port); |
39a98554 | 613 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
f9876f0b SP |
614 | } |
615 | ||
39a98554 | 616 | /** |
617 | * megasas_check_reset_ppc - For controller reset check | |
618 | * @regs: MFI register set | |
619 | */ | |
620 | static int | |
621 | megasas_check_reset_ppc(struct megasas_instance *instance, | |
622 | struct megasas_register_set __iomem *regs) | |
623 | { | |
8a01a41d | 624 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) |
3cc6851f AR |
625 | return 1; |
626 | ||
39a98554 | 627 | return 0; |
628 | } | |
3cc6851f | 629 | |
f9876f0b | 630 | static struct megasas_instance_template megasas_instance_template_ppc = { |
0d49016b | 631 | |
f9876f0b SP |
632 | .fire_cmd = megasas_fire_cmd_ppc, |
633 | .enable_intr = megasas_enable_intr_ppc, | |
b274cab7 | 634 | .disable_intr = megasas_disable_intr_ppc, |
f9876f0b SP |
635 | .clear_intr = megasas_clear_intr_ppc, |
636 | .read_fw_status_reg = megasas_read_fw_status_reg_ppc, | |
3cc6851f | 637 | .adp_reset = megasas_adp_reset_xscale, |
39a98554 | 638 | .check_reset = megasas_check_reset_ppc, |
cd50ba8e AR |
639 | .service_isr = megasas_isr, |
640 | .tasklet = megasas_complete_cmd_dpc, | |
641 | .init_adapter = megasas_init_adapter_mfi, | |
642 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
643 | .issue_dcmd = megasas_issue_dcmd, | |
f9876f0b SP |
644 | }; |
645 | ||
87911122 YB |
646 | /** |
647 | * megasas_enable_intr_skinny - Enables interrupts | |
648 | * @regs: MFI register set | |
649 | */ | |
650 | static inline void | |
d46a3ad6 | 651 | megasas_enable_intr_skinny(struct megasas_instance *instance) |
87911122 | 652 | { |
d46a3ad6 | 653 | struct megasas_register_set __iomem *regs; |
da0dc9fb | 654 | |
d46a3ad6 | 655 | regs = instance->reg_set; |
87911122 YB |
656 | writel(0xFFFFFFFF, &(regs)->outbound_intr_mask); |
657 | ||
658 | writel(~MFI_SKINNY_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); | |
659 | ||
660 | /* Dummy readl to force pci flush */ | |
661 | readl(®s->outbound_intr_mask); | |
662 | } | |
663 | ||
664 | /** | |
665 | * megasas_disable_intr_skinny - Disables interrupt | |
666 | * @regs: MFI register set | |
667 | */ | |
668 | static inline void | |
d46a3ad6 | 669 | megasas_disable_intr_skinny(struct megasas_instance *instance) |
87911122 | 670 | { |
d46a3ad6 | 671 | struct megasas_register_set __iomem *regs; |
87911122 | 672 | u32 mask = 0xFFFFFFFF; |
da0dc9fb | 673 | |
d46a3ad6 | 674 | regs = instance->reg_set; |
87911122 YB |
675 | writel(mask, ®s->outbound_intr_mask); |
676 | /* Dummy readl to force pci flush */ | |
677 | readl(®s->outbound_intr_mask); | |
678 | } | |
679 | ||
680 | /** | |
681 | * megasas_read_fw_status_reg_skinny - returns the current FW status value | |
682 | * @regs: MFI register set | |
683 | */ | |
684 | static u32 | |
685 | megasas_read_fw_status_reg_skinny(struct megasas_register_set __iomem *regs) | |
686 | { | |
687 | return readl(&(regs)->outbound_scratch_pad); | |
688 | } | |
689 | ||
690 | /** | |
691 | * megasas_clear_interrupt_skinny - Check & clear interrupt | |
692 | * @regs: MFI register set | |
693 | */ | |
694 | static int | |
695 | megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs) | |
696 | { | |
697 | u32 status; | |
ebf054b0 AR |
698 | u32 mfiStatus = 0; |
699 | ||
87911122 YB |
700 | /* |
701 | * Check if it is our interrupt | |
702 | */ | |
703 | status = readl(®s->outbound_intr_status); | |
704 | ||
705 | if (!(status & MFI_SKINNY_ENABLE_INTERRUPT_MASK)) { | |
39a98554 | 706 | return 0; |
87911122 YB |
707 | } |
708 | ||
ebf054b0 AR |
709 | /* |
710 | * Check if it is our interrupt | |
711 | */ | |
a3fda7dd | 712 | if ((megasas_read_fw_status_reg_skinny(regs) & MFI_STATE_MASK) == |
ebf054b0 AR |
713 | MFI_STATE_FAULT) { |
714 | mfiStatus = MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
715 | } else | |
716 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; | |
717 | ||
87911122 YB |
718 | /* |
719 | * Clear the interrupt by writing back the same value | |
720 | */ | |
721 | writel(status, ®s->outbound_intr_status); | |
722 | ||
723 | /* | |
da0dc9fb BH |
724 | * dummy read to flush PCI |
725 | */ | |
87911122 YB |
726 | readl(®s->outbound_intr_status); |
727 | ||
ebf054b0 | 728 | return mfiStatus; |
87911122 YB |
729 | } |
730 | ||
731 | /** | |
732 | * megasas_fire_cmd_skinny - Sends command to the FW | |
733 | * @frame_phys_addr : Physical address of cmd | |
734 | * @frame_count : Number of frames for the command | |
735 | * @regs : MFI register set | |
736 | */ | |
737 | static inline void | |
0c79e681 YB |
738 | megasas_fire_cmd_skinny(struct megasas_instance *instance, |
739 | dma_addr_t frame_phys_addr, | |
740 | u32 frame_count, | |
87911122 YB |
741 | struct megasas_register_set __iomem *regs) |
742 | { | |
0c79e681 | 743 | unsigned long flags; |
da0dc9fb | 744 | |
39a98554 | 745 | spin_lock_irqsave(&instance->hba_lock, flags); |
94cd65dd SS |
746 | writel(upper_32_bits(frame_phys_addr), |
747 | &(regs)->inbound_high_queue_port); | |
748 | writel((lower_32_bits(frame_phys_addr) | (frame_count<<1))|1, | |
749 | &(regs)->inbound_low_queue_port); | |
b99dbe56 | 750 | mmiowb(); |
39a98554 | 751 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
752 | } | |
753 | ||
39a98554 | 754 | /** |
755 | * megasas_check_reset_skinny - For controller reset check | |
756 | * @regs: MFI register set | |
757 | */ | |
758 | static int | |
759 | megasas_check_reset_skinny(struct megasas_instance *instance, | |
760 | struct megasas_register_set __iomem *regs) | |
761 | { | |
8a01a41d | 762 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) |
3cc6851f AR |
763 | return 1; |
764 | ||
39a98554 | 765 | return 0; |
87911122 YB |
766 | } |
767 | ||
768 | static struct megasas_instance_template megasas_instance_template_skinny = { | |
769 | ||
770 | .fire_cmd = megasas_fire_cmd_skinny, | |
771 | .enable_intr = megasas_enable_intr_skinny, | |
772 | .disable_intr = megasas_disable_intr_skinny, | |
773 | .clear_intr = megasas_clear_intr_skinny, | |
774 | .read_fw_status_reg = megasas_read_fw_status_reg_skinny, | |
ebf054b0 | 775 | .adp_reset = megasas_adp_reset_gen2, |
39a98554 | 776 | .check_reset = megasas_check_reset_skinny, |
cd50ba8e AR |
777 | .service_isr = megasas_isr, |
778 | .tasklet = megasas_complete_cmd_dpc, | |
779 | .init_adapter = megasas_init_adapter_mfi, | |
780 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
781 | .issue_dcmd = megasas_issue_dcmd, | |
87911122 YB |
782 | }; |
783 | ||
784 | ||
6610a6b3 YB |
785 | /** |
786 | * The following functions are defined for gen2 (deviceid : 0x78 0x79) | |
787 | * controllers | |
788 | */ | |
789 | ||
790 | /** | |
791 | * megasas_enable_intr_gen2 - Enables interrupts | |
792 | * @regs: MFI register set | |
793 | */ | |
794 | static inline void | |
d46a3ad6 | 795 | megasas_enable_intr_gen2(struct megasas_instance *instance) |
6610a6b3 | 796 | { |
d46a3ad6 | 797 | struct megasas_register_set __iomem *regs; |
da0dc9fb | 798 | |
d46a3ad6 | 799 | regs = instance->reg_set; |
6610a6b3 YB |
800 | writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear); |
801 | ||
802 | /* write ~0x00000005 (4 & 1) to the intr mask*/ | |
803 | writel(~MFI_GEN2_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask); | |
804 | ||
805 | /* Dummy readl to force pci flush */ | |
806 | readl(®s->outbound_intr_mask); | |
807 | } | |
808 | ||
809 | /** | |
810 | * megasas_disable_intr_gen2 - Disables interrupt | |
811 | * @regs: MFI register set | |
812 | */ | |
813 | static inline void | |
d46a3ad6 | 814 | megasas_disable_intr_gen2(struct megasas_instance *instance) |
6610a6b3 | 815 | { |
d46a3ad6 | 816 | struct megasas_register_set __iomem *regs; |
6610a6b3 | 817 | u32 mask = 0xFFFFFFFF; |
da0dc9fb | 818 | |
d46a3ad6 | 819 | regs = instance->reg_set; |
6610a6b3 YB |
820 | writel(mask, ®s->outbound_intr_mask); |
821 | /* Dummy readl to force pci flush */ | |
822 | readl(®s->outbound_intr_mask); | |
823 | } | |
824 | ||
825 | /** | |
826 | * megasas_read_fw_status_reg_gen2 - returns the current FW status value | |
827 | * @regs: MFI register set | |
828 | */ | |
829 | static u32 | |
830 | megasas_read_fw_status_reg_gen2(struct megasas_register_set __iomem *regs) | |
831 | { | |
832 | return readl(&(regs)->outbound_scratch_pad); | |
833 | } | |
834 | ||
835 | /** | |
836 | * megasas_clear_interrupt_gen2 - Check & clear interrupt | |
837 | * @regs: MFI register set | |
838 | */ | |
839 | static int | |
840 | megasas_clear_intr_gen2(struct megasas_register_set __iomem *regs) | |
841 | { | |
842 | u32 status; | |
39a98554 | 843 | u32 mfiStatus = 0; |
da0dc9fb | 844 | |
6610a6b3 YB |
845 | /* |
846 | * Check if it is our interrupt | |
847 | */ | |
848 | status = readl(®s->outbound_intr_status); | |
849 | ||
b5bccadd | 850 | if (status & MFI_INTR_FLAG_REPLY_MESSAGE) { |
39a98554 | 851 | mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE; |
852 | } | |
853 | if (status & MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT) { | |
854 | mfiStatus |= MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; | |
855 | } | |
6610a6b3 YB |
856 | |
857 | /* | |
858 | * Clear the interrupt by writing back the same value | |
859 | */ | |
39a98554 | 860 | if (mfiStatus) |
861 | writel(status, ®s->outbound_doorbell_clear); | |
6610a6b3 YB |
862 | |
863 | /* Dummy readl to force pci flush */ | |
864 | readl(®s->outbound_intr_status); | |
865 | ||
39a98554 | 866 | return mfiStatus; |
6610a6b3 YB |
867 | } |
868 | /** | |
869 | * megasas_fire_cmd_gen2 - Sends command to the FW | |
870 | * @frame_phys_addr : Physical address of cmd | |
871 | * @frame_count : Number of frames for the command | |
872 | * @regs : MFI register set | |
873 | */ | |
874 | static inline void | |
0c79e681 YB |
875 | megasas_fire_cmd_gen2(struct megasas_instance *instance, |
876 | dma_addr_t frame_phys_addr, | |
877 | u32 frame_count, | |
6610a6b3 YB |
878 | struct megasas_register_set __iomem *regs) |
879 | { | |
39a98554 | 880 | unsigned long flags; |
da0dc9fb | 881 | |
39a98554 | 882 | spin_lock_irqsave(&instance->hba_lock, flags); |
6610a6b3 YB |
883 | writel((frame_phys_addr | (frame_count<<1))|1, |
884 | &(regs)->inbound_queue_port); | |
39a98554 | 885 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
886 | } | |
887 | ||
888 | /** | |
889 | * megasas_adp_reset_gen2 - For controller reset | |
890 | * @regs: MFI register set | |
891 | */ | |
892 | static int | |
893 | megasas_adp_reset_gen2(struct megasas_instance *instance, | |
894 | struct megasas_register_set __iomem *reg_set) | |
895 | { | |
da0dc9fb BH |
896 | u32 retry = 0 ; |
897 | u32 HostDiag; | |
898 | u32 __iomem *seq_offset = ®_set->seq_offset; | |
899 | u32 __iomem *hostdiag_offset = ®_set->host_diag; | |
ebf054b0 AR |
900 | |
901 | if (instance->instancet == &megasas_instance_template_skinny) { | |
902 | seq_offset = ®_set->fusion_seq_offset; | |
903 | hostdiag_offset = ®_set->fusion_host_diag; | |
904 | } | |
905 | ||
906 | writel(0, seq_offset); | |
907 | writel(4, seq_offset); | |
908 | writel(0xb, seq_offset); | |
909 | writel(2, seq_offset); | |
910 | writel(7, seq_offset); | |
911 | writel(0xd, seq_offset); | |
39a98554 | 912 | |
39a98554 | 913 | msleep(1000); |
914 | ||
ebf054b0 | 915 | HostDiag = (u32)readl(hostdiag_offset); |
39a98554 | 916 | |
da0dc9fb | 917 | while (!(HostDiag & DIAG_WRITE_ENABLE)) { |
39a98554 | 918 | msleep(100); |
ebf054b0 | 919 | HostDiag = (u32)readl(hostdiag_offset); |
1be18254 | 920 | dev_notice(&instance->pdev->dev, "RESETGEN2: retry=%x, hostdiag=%x\n", |
39a98554 | 921 | retry, HostDiag); |
922 | ||
923 | if (retry++ >= 100) | |
924 | return 1; | |
925 | ||
926 | } | |
927 | ||
1be18254 | 928 | dev_notice(&instance->pdev->dev, "ADP_RESET_GEN2: HostDiag=%x\n", HostDiag); |
39a98554 | 929 | |
ebf054b0 | 930 | writel((HostDiag | DIAG_RESET_ADAPTER), hostdiag_offset); |
39a98554 | 931 | |
932 | ssleep(10); | |
933 | ||
ebf054b0 | 934 | HostDiag = (u32)readl(hostdiag_offset); |
da0dc9fb | 935 | while (HostDiag & DIAG_RESET_ADAPTER) { |
39a98554 | 936 | msleep(100); |
ebf054b0 | 937 | HostDiag = (u32)readl(hostdiag_offset); |
1be18254 | 938 | dev_notice(&instance->pdev->dev, "RESET_GEN2: retry=%x, hostdiag=%x\n", |
39a98554 | 939 | retry, HostDiag); |
940 | ||
941 | if (retry++ >= 1000) | |
942 | return 1; | |
943 | ||
944 | } | |
945 | return 0; | |
946 | } | |
947 | ||
948 | /** | |
949 | * megasas_check_reset_gen2 - For controller reset check | |
950 | * @regs: MFI register set | |
951 | */ | |
952 | static int | |
953 | megasas_check_reset_gen2(struct megasas_instance *instance, | |
954 | struct megasas_register_set __iomem *regs) | |
955 | { | |
8a01a41d | 956 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) |
707e09bd | 957 | return 1; |
707e09bd | 958 | |
39a98554 | 959 | return 0; |
6610a6b3 YB |
960 | } |
961 | ||
962 | static struct megasas_instance_template megasas_instance_template_gen2 = { | |
963 | ||
964 | .fire_cmd = megasas_fire_cmd_gen2, | |
965 | .enable_intr = megasas_enable_intr_gen2, | |
966 | .disable_intr = megasas_disable_intr_gen2, | |
967 | .clear_intr = megasas_clear_intr_gen2, | |
968 | .read_fw_status_reg = megasas_read_fw_status_reg_gen2, | |
39a98554 | 969 | .adp_reset = megasas_adp_reset_gen2, |
970 | .check_reset = megasas_check_reset_gen2, | |
cd50ba8e AR |
971 | .service_isr = megasas_isr, |
972 | .tasklet = megasas_complete_cmd_dpc, | |
973 | .init_adapter = megasas_init_adapter_mfi, | |
974 | .build_and_issue_cmd = megasas_build_and_issue_cmd, | |
975 | .issue_dcmd = megasas_issue_dcmd, | |
6610a6b3 YB |
976 | }; |
977 | ||
f9876f0b SP |
978 | /** |
979 | * This is the end of set of functions & definitions | |
39a98554 | 980 | * specific to gen2 (deviceid : 0x78, 0x79) controllers |
f9876f0b SP |
981 | */ |
982 | ||
9c915a8c AR |
983 | /* |
984 | * Template added for TB (Fusion) | |
985 | */ | |
986 | extern struct megasas_instance_template megasas_instance_template_fusion; | |
987 | ||
c4a3e0a5 BS |
988 | /** |
989 | * megasas_issue_polled - Issues a polling command | |
990 | * @instance: Adapter soft state | |
0d49016b | 991 | * @cmd: Command packet to be issued |
c4a3e0a5 | 992 | * |
2be2a988 | 993 | * For polling, MFI requires the cmd_status to be set to MFI_STAT_INVALID_STATUS before posting. |
c4a3e0a5 | 994 | */ |
9c915a8c | 995 | int |
c4a3e0a5 BS |
996 | megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd) |
997 | { | |
c4a3e0a5 BS |
998 | struct megasas_header *frame_hdr = &cmd->frame->hdr; |
999 | ||
6d40afbc | 1000 | frame_hdr->cmd_status = MFI_STAT_INVALID_STATUS; |
94cd65dd | 1001 | frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); |
c4a3e0a5 | 1002 | |
f4fc2093 | 1003 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
6d40afbc SS |
1004 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", |
1005 | __func__, __LINE__); | |
1006 | return DCMD_NOT_FIRED; | |
1007 | } | |
c4a3e0a5 | 1008 | |
f4fc2093 S |
1009 | instance->instancet->issue_dcmd(instance, cmd); |
1010 | ||
6d40afbc SS |
1011 | return wait_and_poll(instance, cmd, instance->requestorId ? |
1012 | MEGASAS_ROUTINE_WAIT_TIME_VF : MFI_IO_TIMEOUT_SECS); | |
c4a3e0a5 BS |
1013 | } |
1014 | ||
1015 | /** | |
1016 | * megasas_issue_blocked_cmd - Synchronous wrapper around regular FW cmds | |
1017 | * @instance: Adapter soft state | |
1018 | * @cmd: Command to be issued | |
cfbe7554 | 1019 | * @timeout: Timeout in seconds |
c4a3e0a5 BS |
1020 | * |
1021 | * This function waits on an event for the command to be returned from ISR. | |
2a3681e5 | 1022 | * Max wait time is MEGASAS_INTERNAL_CMD_WAIT_TIME secs |
c4a3e0a5 BS |
1023 | * Used to issue ioctl commands. |
1024 | */ | |
90dc9d98 | 1025 | int |
c4a3e0a5 | 1026 | megasas_issue_blocked_cmd(struct megasas_instance *instance, |
cfbe7554 | 1027 | struct megasas_cmd *cmd, int timeout) |
c4a3e0a5 | 1028 | { |
cfbe7554 | 1029 | int ret = 0; |
2be2a988 | 1030 | cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; |
c4a3e0a5 | 1031 | |
f4fc2093 | 1032 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
6d40afbc SS |
1033 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", |
1034 | __func__, __LINE__); | |
1035 | return DCMD_NOT_FIRED; | |
1036 | } | |
1037 | ||
f4fc2093 S |
1038 | instance->instancet->issue_dcmd(instance, cmd); |
1039 | ||
cfbe7554 SS |
1040 | if (timeout) { |
1041 | ret = wait_event_timeout(instance->int_cmd_wait_q, | |
2be2a988 | 1042 | cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS, timeout * HZ); |
6d40afbc SS |
1043 | if (!ret) { |
1044 | dev_err(&instance->pdev->dev, "Failed from %s %d DCMD Timed out\n", | |
1045 | __func__, __LINE__); | |
1046 | return DCMD_TIMEOUT; | |
1047 | } | |
cfbe7554 SS |
1048 | } else |
1049 | wait_event(instance->int_cmd_wait_q, | |
2be2a988 | 1050 | cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS); |
c4a3e0a5 | 1051 | |
2be2a988 | 1052 | return (cmd->cmd_status_drv == MFI_STAT_OK) ? |
6d40afbc | 1053 | DCMD_SUCCESS : DCMD_FAILED; |
c4a3e0a5 BS |
1054 | } |
1055 | ||
1056 | /** | |
1057 | * megasas_issue_blocked_abort_cmd - Aborts previously issued cmd | |
1058 | * @instance: Adapter soft state | |
1059 | * @cmd_to_abort: Previously issued cmd to be aborted | |
cfbe7554 | 1060 | * @timeout: Timeout in seconds |
c4a3e0a5 | 1061 | * |
cfbe7554 | 1062 | * MFI firmware can abort previously issued AEN comamnd (automatic event |
c4a3e0a5 | 1063 | * notification). The megasas_issue_blocked_abort_cmd() issues such abort |
2a3681e5 SP |
1064 | * cmd and waits for return status. |
1065 | * Max wait time is MEGASAS_INTERNAL_CMD_WAIT_TIME secs | |
c4a3e0a5 BS |
1066 | */ |
1067 | static int | |
1068 | megasas_issue_blocked_abort_cmd(struct megasas_instance *instance, | |
cfbe7554 | 1069 | struct megasas_cmd *cmd_to_abort, int timeout) |
c4a3e0a5 BS |
1070 | { |
1071 | struct megasas_cmd *cmd; | |
1072 | struct megasas_abort_frame *abort_fr; | |
cfbe7554 | 1073 | int ret = 0; |
c4a3e0a5 BS |
1074 | |
1075 | cmd = megasas_get_cmd(instance); | |
1076 | ||
1077 | if (!cmd) | |
1078 | return -1; | |
1079 | ||
1080 | abort_fr = &cmd->frame->abort; | |
1081 | ||
1082 | /* | |
1083 | * Prepare and issue the abort frame | |
1084 | */ | |
1085 | abort_fr->cmd = MFI_CMD_ABORT; | |
2be2a988 | 1086 | abort_fr->cmd_status = MFI_STAT_INVALID_STATUS; |
94cd65dd SS |
1087 | abort_fr->flags = cpu_to_le16(0); |
1088 | abort_fr->abort_context = cpu_to_le32(cmd_to_abort->index); | |
1089 | abort_fr->abort_mfi_phys_addr_lo = | |
1090 | cpu_to_le32(lower_32_bits(cmd_to_abort->frame_phys_addr)); | |
1091 | abort_fr->abort_mfi_phys_addr_hi = | |
1092 | cpu_to_le32(upper_32_bits(cmd_to_abort->frame_phys_addr)); | |
c4a3e0a5 BS |
1093 | |
1094 | cmd->sync_cmd = 1; | |
2be2a988 | 1095 | cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; |
c4a3e0a5 | 1096 | |
f4fc2093 | 1097 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
6d40afbc SS |
1098 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", |
1099 | __func__, __LINE__); | |
1100 | return DCMD_NOT_FIRED; | |
1101 | } | |
c4a3e0a5 | 1102 | |
f4fc2093 S |
1103 | instance->instancet->issue_dcmd(instance, cmd); |
1104 | ||
cfbe7554 SS |
1105 | if (timeout) { |
1106 | ret = wait_event_timeout(instance->abort_cmd_wait_q, | |
2be2a988 | 1107 | cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS, timeout * HZ); |
cfbe7554 | 1108 | if (!ret) { |
6d40afbc SS |
1109 | dev_err(&instance->pdev->dev, "Failed from %s %d Abort Timed out\n", |
1110 | __func__, __LINE__); | |
1111 | return DCMD_TIMEOUT; | |
cfbe7554 SS |
1112 | } |
1113 | } else | |
1114 | wait_event(instance->abort_cmd_wait_q, | |
2be2a988 | 1115 | cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS); |
cfbe7554 | 1116 | |
39a98554 | 1117 | cmd->sync_cmd = 0; |
c4a3e0a5 BS |
1118 | |
1119 | megasas_return_cmd(instance, cmd); | |
6d40afbc SS |
1120 | return (cmd->cmd_status_drv == MFI_STAT_OK) ? |
1121 | DCMD_SUCCESS : DCMD_FAILED; | |
c4a3e0a5 BS |
1122 | } |
1123 | ||
1124 | /** | |
1125 | * megasas_make_sgl32 - Prepares 32-bit SGL | |
1126 | * @instance: Adapter soft state | |
1127 | * @scp: SCSI command from the mid-layer | |
1128 | * @mfi_sgl: SGL to be filled in | |
1129 | * | |
1130 | * If successful, this function returns the number of SG elements. Otherwise, | |
1131 | * it returnes -1. | |
1132 | */ | |
858119e1 | 1133 | static int |
c4a3e0a5 BS |
1134 | megasas_make_sgl32(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1135 | union megasas_sgl *mfi_sgl) | |
1136 | { | |
1137 | int i; | |
1138 | int sge_count; | |
1139 | struct scatterlist *os_sgl; | |
1140 | ||
155d98f0 FT |
1141 | sge_count = scsi_dma_map(scp); |
1142 | BUG_ON(sge_count < 0); | |
c4a3e0a5 | 1143 | |
155d98f0 FT |
1144 | if (sge_count) { |
1145 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { | |
94cd65dd SS |
1146 | mfi_sgl->sge32[i].length = cpu_to_le32(sg_dma_len(os_sgl)); |
1147 | mfi_sgl->sge32[i].phys_addr = cpu_to_le32(sg_dma_address(os_sgl)); | |
155d98f0 | 1148 | } |
c4a3e0a5 | 1149 | } |
c4a3e0a5 BS |
1150 | return sge_count; |
1151 | } | |
1152 | ||
1153 | /** | |
1154 | * megasas_make_sgl64 - Prepares 64-bit SGL | |
1155 | * @instance: Adapter soft state | |
1156 | * @scp: SCSI command from the mid-layer | |
1157 | * @mfi_sgl: SGL to be filled in | |
1158 | * | |
1159 | * If successful, this function returns the number of SG elements. Otherwise, | |
1160 | * it returnes -1. | |
1161 | */ | |
858119e1 | 1162 | static int |
c4a3e0a5 BS |
1163 | megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1164 | union megasas_sgl *mfi_sgl) | |
1165 | { | |
1166 | int i; | |
1167 | int sge_count; | |
1168 | struct scatterlist *os_sgl; | |
1169 | ||
155d98f0 FT |
1170 | sge_count = scsi_dma_map(scp); |
1171 | BUG_ON(sge_count < 0); | |
c4a3e0a5 | 1172 | |
155d98f0 FT |
1173 | if (sge_count) { |
1174 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { | |
94cd65dd SS |
1175 | mfi_sgl->sge64[i].length = cpu_to_le32(sg_dma_len(os_sgl)); |
1176 | mfi_sgl->sge64[i].phys_addr = cpu_to_le64(sg_dma_address(os_sgl)); | |
155d98f0 | 1177 | } |
c4a3e0a5 | 1178 | } |
c4a3e0a5 BS |
1179 | return sge_count; |
1180 | } | |
1181 | ||
f4c9a131 YB |
1182 | /** |
1183 | * megasas_make_sgl_skinny - Prepares IEEE SGL | |
1184 | * @instance: Adapter soft state | |
1185 | * @scp: SCSI command from the mid-layer | |
1186 | * @mfi_sgl: SGL to be filled in | |
1187 | * | |
1188 | * If successful, this function returns the number of SG elements. Otherwise, | |
1189 | * it returnes -1. | |
1190 | */ | |
1191 | static int | |
1192 | megasas_make_sgl_skinny(struct megasas_instance *instance, | |
1193 | struct scsi_cmnd *scp, union megasas_sgl *mfi_sgl) | |
1194 | { | |
1195 | int i; | |
1196 | int sge_count; | |
1197 | struct scatterlist *os_sgl; | |
1198 | ||
1199 | sge_count = scsi_dma_map(scp); | |
1200 | ||
1201 | if (sge_count) { | |
1202 | scsi_for_each_sg(scp, os_sgl, sge_count, i) { | |
94cd65dd SS |
1203 | mfi_sgl->sge_skinny[i].length = |
1204 | cpu_to_le32(sg_dma_len(os_sgl)); | |
f4c9a131 | 1205 | mfi_sgl->sge_skinny[i].phys_addr = |
94cd65dd SS |
1206 | cpu_to_le64(sg_dma_address(os_sgl)); |
1207 | mfi_sgl->sge_skinny[i].flag = cpu_to_le32(0); | |
f4c9a131 YB |
1208 | } |
1209 | } | |
1210 | return sge_count; | |
1211 | } | |
1212 | ||
b1df99d9 SP |
1213 | /** |
1214 | * megasas_get_frame_count - Computes the number of frames | |
d532dbe2 | 1215 | * @frame_type : type of frame- io or pthru frame |
b1df99d9 SP |
1216 | * @sge_count : number of sg elements |
1217 | * | |
1218 | * Returns the number of frames required for numnber of sge's (sge_count) | |
1219 | */ | |
1220 | ||
f4c9a131 YB |
1221 | static u32 megasas_get_frame_count(struct megasas_instance *instance, |
1222 | u8 sge_count, u8 frame_type) | |
b1df99d9 SP |
1223 | { |
1224 | int num_cnt; | |
1225 | int sge_bytes; | |
1226 | u32 sge_sz; | |
da0dc9fb | 1227 | u32 frame_count = 0; |
b1df99d9 SP |
1228 | |
1229 | sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : | |
1230 | sizeof(struct megasas_sge32); | |
1231 | ||
f4c9a131 YB |
1232 | if (instance->flag_ieee) { |
1233 | sge_sz = sizeof(struct megasas_sge_skinny); | |
1234 | } | |
1235 | ||
b1df99d9 | 1236 | /* |
d532dbe2 | 1237 | * Main frame can contain 2 SGEs for 64-bit SGLs and |
1238 | * 3 SGEs for 32-bit SGLs for ldio & | |
1239 | * 1 SGEs for 64-bit SGLs and | |
1240 | * 2 SGEs for 32-bit SGLs for pthru frame | |
1241 | */ | |
1242 | if (unlikely(frame_type == PTHRU_FRAME)) { | |
f4c9a131 YB |
1243 | if (instance->flag_ieee == 1) { |
1244 | num_cnt = sge_count - 1; | |
1245 | } else if (IS_DMA64) | |
d532dbe2 | 1246 | num_cnt = sge_count - 1; |
1247 | else | |
1248 | num_cnt = sge_count - 2; | |
1249 | } else { | |
f4c9a131 YB |
1250 | if (instance->flag_ieee == 1) { |
1251 | num_cnt = sge_count - 1; | |
1252 | } else if (IS_DMA64) | |
d532dbe2 | 1253 | num_cnt = sge_count - 2; |
1254 | else | |
1255 | num_cnt = sge_count - 3; | |
1256 | } | |
b1df99d9 | 1257 | |
da0dc9fb | 1258 | if (num_cnt > 0) { |
b1df99d9 SP |
1259 | sge_bytes = sge_sz * num_cnt; |
1260 | ||
1261 | frame_count = (sge_bytes / MEGAMFI_FRAME_SIZE) + | |
1262 | ((sge_bytes % MEGAMFI_FRAME_SIZE) ? 1 : 0) ; | |
1263 | } | |
1264 | /* Main frame */ | |
da0dc9fb | 1265 | frame_count += 1; |
b1df99d9 SP |
1266 | |
1267 | if (frame_count > 7) | |
1268 | frame_count = 8; | |
1269 | return frame_count; | |
1270 | } | |
1271 | ||
c4a3e0a5 BS |
1272 | /** |
1273 | * megasas_build_dcdb - Prepares a direct cdb (DCDB) command | |
1274 | * @instance: Adapter soft state | |
1275 | * @scp: SCSI command | |
1276 | * @cmd: Command to be prepared in | |
1277 | * | |
1278 | * This function prepares CDB commands. These are typcially pass-through | |
1279 | * commands to the devices. | |
1280 | */ | |
858119e1 | 1281 | static int |
c4a3e0a5 BS |
1282 | megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1283 | struct megasas_cmd *cmd) | |
1284 | { | |
c4a3e0a5 BS |
1285 | u32 is_logical; |
1286 | u32 device_id; | |
1287 | u16 flags = 0; | |
1288 | struct megasas_pthru_frame *pthru; | |
1289 | ||
3cabd162 | 1290 | is_logical = MEGASAS_IS_LOGICAL(scp->device); |
4a5c814d | 1291 | device_id = MEGASAS_DEV_INDEX(scp); |
c4a3e0a5 BS |
1292 | pthru = (struct megasas_pthru_frame *)cmd->frame; |
1293 | ||
1294 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
1295 | flags = MFI_FRAME_DIR_WRITE; | |
1296 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1297 | flags = MFI_FRAME_DIR_READ; | |
1298 | else if (scp->sc_data_direction == PCI_DMA_NONE) | |
1299 | flags = MFI_FRAME_DIR_NONE; | |
1300 | ||
f4c9a131 YB |
1301 | if (instance->flag_ieee == 1) { |
1302 | flags |= MFI_FRAME_IEEE; | |
1303 | } | |
1304 | ||
c4a3e0a5 BS |
1305 | /* |
1306 | * Prepare the DCDB frame | |
1307 | */ | |
1308 | pthru->cmd = (is_logical) ? MFI_CMD_LD_SCSI_IO : MFI_CMD_PD_SCSI_IO; | |
1309 | pthru->cmd_status = 0x0; | |
1310 | pthru->scsi_status = 0x0; | |
1311 | pthru->target_id = device_id; | |
1312 | pthru->lun = scp->device->lun; | |
1313 | pthru->cdb_len = scp->cmd_len; | |
1314 | pthru->timeout = 0; | |
780a3762 | 1315 | pthru->pad_0 = 0; |
94cd65dd SS |
1316 | pthru->flags = cpu_to_le16(flags); |
1317 | pthru->data_xfer_len = cpu_to_le32(scsi_bufflen(scp)); | |
c4a3e0a5 BS |
1318 | |
1319 | memcpy(pthru->cdb, scp->cmnd, scp->cmd_len); | |
1320 | ||
8d568253 | 1321 | /* |
da0dc9fb BH |
1322 | * If the command is for the tape device, set the |
1323 | * pthru timeout to the os layer timeout value. | |
1324 | */ | |
8d568253 YB |
1325 | if (scp->device->type == TYPE_TAPE) { |
1326 | if ((scp->request->timeout / HZ) > 0xFFFF) | |
c6f5bf81 | 1327 | pthru->timeout = cpu_to_le16(0xFFFF); |
8d568253 | 1328 | else |
94cd65dd | 1329 | pthru->timeout = cpu_to_le16(scp->request->timeout / HZ); |
8d568253 YB |
1330 | } |
1331 | ||
c4a3e0a5 BS |
1332 | /* |
1333 | * Construct SGL | |
1334 | */ | |
f4c9a131 | 1335 | if (instance->flag_ieee == 1) { |
94cd65dd | 1336 | pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
f4c9a131 YB |
1337 | pthru->sge_count = megasas_make_sgl_skinny(instance, scp, |
1338 | &pthru->sgl); | |
1339 | } else if (IS_DMA64) { | |
94cd65dd | 1340 | pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
c4a3e0a5 BS |
1341 | pthru->sge_count = megasas_make_sgl64(instance, scp, |
1342 | &pthru->sgl); | |
1343 | } else | |
1344 | pthru->sge_count = megasas_make_sgl32(instance, scp, | |
1345 | &pthru->sgl); | |
1346 | ||
bdc6fb8d | 1347 | if (pthru->sge_count > instance->max_num_sge) { |
1be18254 | 1348 | dev_err(&instance->pdev->dev, "DCDB too many SGE NUM=%x\n", |
bdc6fb8d YB |
1349 | pthru->sge_count); |
1350 | return 0; | |
1351 | } | |
1352 | ||
c4a3e0a5 BS |
1353 | /* |
1354 | * Sense info specific | |
1355 | */ | |
1356 | pthru->sense_len = SCSI_SENSE_BUFFERSIZE; | |
94cd65dd SS |
1357 | pthru->sense_buf_phys_addr_hi = |
1358 | cpu_to_le32(upper_32_bits(cmd->sense_phys_addr)); | |
1359 | pthru->sense_buf_phys_addr_lo = | |
1360 | cpu_to_le32(lower_32_bits(cmd->sense_phys_addr)); | |
c4a3e0a5 | 1361 | |
c4a3e0a5 BS |
1362 | /* |
1363 | * Compute the total number of frames this command consumes. FW uses | |
1364 | * this number to pull sufficient number of frames from host memory. | |
1365 | */ | |
f4c9a131 | 1366 | cmd->frame_count = megasas_get_frame_count(instance, pthru->sge_count, |
d532dbe2 | 1367 | PTHRU_FRAME); |
c4a3e0a5 BS |
1368 | |
1369 | return cmd->frame_count; | |
1370 | } | |
1371 | ||
1372 | /** | |
1373 | * megasas_build_ldio - Prepares IOs to logical devices | |
1374 | * @instance: Adapter soft state | |
1375 | * @scp: SCSI command | |
fd589a8f | 1376 | * @cmd: Command to be prepared |
c4a3e0a5 BS |
1377 | * |
1378 | * Frames (and accompanying SGLs) for regular SCSI IOs use this function. | |
1379 | */ | |
858119e1 | 1380 | static int |
c4a3e0a5 BS |
1381 | megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, |
1382 | struct megasas_cmd *cmd) | |
1383 | { | |
c4a3e0a5 BS |
1384 | u32 device_id; |
1385 | u8 sc = scp->cmnd[0]; | |
1386 | u16 flags = 0; | |
1387 | struct megasas_io_frame *ldio; | |
1388 | ||
4a5c814d | 1389 | device_id = MEGASAS_DEV_INDEX(scp); |
c4a3e0a5 BS |
1390 | ldio = (struct megasas_io_frame *)cmd->frame; |
1391 | ||
1392 | if (scp->sc_data_direction == PCI_DMA_TODEVICE) | |
1393 | flags = MFI_FRAME_DIR_WRITE; | |
1394 | else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) | |
1395 | flags = MFI_FRAME_DIR_READ; | |
1396 | ||
f4c9a131 YB |
1397 | if (instance->flag_ieee == 1) { |
1398 | flags |= MFI_FRAME_IEEE; | |
1399 | } | |
1400 | ||
c4a3e0a5 | 1401 | /* |
b1df99d9 | 1402 | * Prepare the Logical IO frame: 2nd bit is zero for all read cmds |
c4a3e0a5 BS |
1403 | */ |
1404 | ldio->cmd = (sc & 0x02) ? MFI_CMD_LD_WRITE : MFI_CMD_LD_READ; | |
1405 | ldio->cmd_status = 0x0; | |
1406 | ldio->scsi_status = 0x0; | |
1407 | ldio->target_id = device_id; | |
1408 | ldio->timeout = 0; | |
1409 | ldio->reserved_0 = 0; | |
1410 | ldio->pad_0 = 0; | |
94cd65dd | 1411 | ldio->flags = cpu_to_le16(flags); |
c4a3e0a5 BS |
1412 | ldio->start_lba_hi = 0; |
1413 | ldio->access_byte = (scp->cmd_len != 6) ? scp->cmnd[1] : 0; | |
1414 | ||
1415 | /* | |
1416 | * 6-byte READ(0x08) or WRITE(0x0A) cdb | |
1417 | */ | |
1418 | if (scp->cmd_len == 6) { | |
94cd65dd SS |
1419 | ldio->lba_count = cpu_to_le32((u32) scp->cmnd[4]); |
1420 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[1] << 16) | | |
1421 | ((u32) scp->cmnd[2] << 8) | | |
1422 | (u32) scp->cmnd[3]); | |
c4a3e0a5 | 1423 | |
94cd65dd | 1424 | ldio->start_lba_lo &= cpu_to_le32(0x1FFFFF); |
c4a3e0a5 BS |
1425 | } |
1426 | ||
1427 | /* | |
1428 | * 10-byte READ(0x28) or WRITE(0x2A) cdb | |
1429 | */ | |
1430 | else if (scp->cmd_len == 10) { | |
94cd65dd SS |
1431 | ldio->lba_count = cpu_to_le32((u32) scp->cmnd[8] | |
1432 | ((u32) scp->cmnd[7] << 8)); | |
1433 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) | | |
1434 | ((u32) scp->cmnd[3] << 16) | | |
1435 | ((u32) scp->cmnd[4] << 8) | | |
1436 | (u32) scp->cmnd[5]); | |
c4a3e0a5 BS |
1437 | } |
1438 | ||
1439 | /* | |
1440 | * 12-byte READ(0xA8) or WRITE(0xAA) cdb | |
1441 | */ | |
1442 | else if (scp->cmd_len == 12) { | |
94cd65dd SS |
1443 | ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[6] << 24) | |
1444 | ((u32) scp->cmnd[7] << 16) | | |
1445 | ((u32) scp->cmnd[8] << 8) | | |
1446 | (u32) scp->cmnd[9]); | |
c4a3e0a5 | 1447 | |
94cd65dd SS |
1448 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) | |
1449 | ((u32) scp->cmnd[3] << 16) | | |
1450 | ((u32) scp->cmnd[4] << 8) | | |
1451 | (u32) scp->cmnd[5]); | |
c4a3e0a5 BS |
1452 | } |
1453 | ||
1454 | /* | |
1455 | * 16-byte READ(0x88) or WRITE(0x8A) cdb | |
1456 | */ | |
1457 | else if (scp->cmd_len == 16) { | |
94cd65dd SS |
1458 | ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[10] << 24) | |
1459 | ((u32) scp->cmnd[11] << 16) | | |
1460 | ((u32) scp->cmnd[12] << 8) | | |
1461 | (u32) scp->cmnd[13]); | |
c4a3e0a5 | 1462 | |
94cd65dd SS |
1463 | ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[6] << 24) | |
1464 | ((u32) scp->cmnd[7] << 16) | | |
1465 | ((u32) scp->cmnd[8] << 8) | | |
1466 | (u32) scp->cmnd[9]); | |
c4a3e0a5 | 1467 | |
94cd65dd SS |
1468 | ldio->start_lba_hi = cpu_to_le32(((u32) scp->cmnd[2] << 24) | |
1469 | ((u32) scp->cmnd[3] << 16) | | |
1470 | ((u32) scp->cmnd[4] << 8) | | |
1471 | (u32) scp->cmnd[5]); | |
c4a3e0a5 BS |
1472 | |
1473 | } | |
1474 | ||
1475 | /* | |
1476 | * Construct SGL | |
1477 | */ | |
f4c9a131 | 1478 | if (instance->flag_ieee) { |
94cd65dd | 1479 | ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
f4c9a131 YB |
1480 | ldio->sge_count = megasas_make_sgl_skinny(instance, scp, |
1481 | &ldio->sgl); | |
1482 | } else if (IS_DMA64) { | |
94cd65dd | 1483 | ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64); |
c4a3e0a5 BS |
1484 | ldio->sge_count = megasas_make_sgl64(instance, scp, &ldio->sgl); |
1485 | } else | |
1486 | ldio->sge_count = megasas_make_sgl32(instance, scp, &ldio->sgl); | |
1487 | ||
bdc6fb8d | 1488 | if (ldio->sge_count > instance->max_num_sge) { |
1be18254 | 1489 | dev_err(&instance->pdev->dev, "build_ld_io: sge_count = %x\n", |
bdc6fb8d YB |
1490 | ldio->sge_count); |
1491 | return 0; | |
1492 | } | |
1493 | ||
c4a3e0a5 BS |
1494 | /* |
1495 | * Sense info specific | |
1496 | */ | |
1497 | ldio->sense_len = SCSI_SENSE_BUFFERSIZE; | |
1498 | ldio->sense_buf_phys_addr_hi = 0; | |
94cd65dd | 1499 | ldio->sense_buf_phys_addr_lo = cpu_to_le32(cmd->sense_phys_addr); |
c4a3e0a5 | 1500 | |
b1df99d9 SP |
1501 | /* |
1502 | * Compute the total number of frames this command consumes. FW uses | |
1503 | * this number to pull sufficient number of frames from host memory. | |
1504 | */ | |
f4c9a131 YB |
1505 | cmd->frame_count = megasas_get_frame_count(instance, |
1506 | ldio->sge_count, IO_FRAME); | |
c4a3e0a5 BS |
1507 | |
1508 | return cmd->frame_count; | |
1509 | } | |
1510 | ||
1511 | /** | |
7497cde8 SS |
1512 | * megasas_cmd_type - Checks if the cmd is for logical drive/sysPD |
1513 | * and whether it's RW or non RW | |
cb59aa6a | 1514 | * @scmd: SCSI command |
0d49016b | 1515 | * |
c4a3e0a5 | 1516 | */ |
7497cde8 | 1517 | inline int megasas_cmd_type(struct scsi_cmnd *cmd) |
c4a3e0a5 | 1518 | { |
7497cde8 SS |
1519 | int ret; |
1520 | ||
cb59aa6a SP |
1521 | switch (cmd->cmnd[0]) { |
1522 | case READ_10: | |
1523 | case WRITE_10: | |
1524 | case READ_12: | |
1525 | case WRITE_12: | |
1526 | case READ_6: | |
1527 | case WRITE_6: | |
1528 | case READ_16: | |
1529 | case WRITE_16: | |
3cabd162 | 1530 | ret = (MEGASAS_IS_LOGICAL(cmd->device)) ? |
7497cde8 SS |
1531 | READ_WRITE_LDIO : READ_WRITE_SYSPDIO; |
1532 | break; | |
cb59aa6a | 1533 | default: |
3cabd162 | 1534 | ret = (MEGASAS_IS_LOGICAL(cmd->device)) ? |
7497cde8 | 1535 | NON_READ_WRITE_LDIO : NON_READ_WRITE_SYSPDIO; |
c4a3e0a5 | 1536 | } |
7497cde8 | 1537 | return ret; |
c4a3e0a5 BS |
1538 | } |
1539 | ||
658dcedb SP |
1540 | /** |
1541 | * megasas_dump_pending_frames - Dumps the frame address of all pending cmds | |
da0dc9fb | 1542 | * in FW |
658dcedb SP |
1543 | * @instance: Adapter soft state |
1544 | */ | |
1545 | static inline void | |
1546 | megasas_dump_pending_frames(struct megasas_instance *instance) | |
1547 | { | |
1548 | struct megasas_cmd *cmd; | |
1549 | int i,n; | |
1550 | union megasas_sgl *mfi_sgl; | |
1551 | struct megasas_io_frame *ldio; | |
1552 | struct megasas_pthru_frame *pthru; | |
1553 | u32 sgcount; | |
50b7f5a2 | 1554 | u16 max_cmd = instance->max_fw_cmds; |
658dcedb | 1555 | |
1be18254 BH |
1556 | dev_err(&instance->pdev->dev, "[%d]: Dumping Frame Phys Address of all pending cmds in FW\n",instance->host->host_no); |
1557 | dev_err(&instance->pdev->dev, "[%d]: Total OS Pending cmds : %d\n",instance->host->host_no,atomic_read(&instance->fw_outstanding)); | |
658dcedb | 1558 | if (IS_DMA64) |
1be18254 | 1559 | dev_err(&instance->pdev->dev, "[%d]: 64 bit SGLs were sent to FW\n",instance->host->host_no); |
658dcedb | 1560 | else |
1be18254 | 1561 | dev_err(&instance->pdev->dev, "[%d]: 32 bit SGLs were sent to FW\n",instance->host->host_no); |
658dcedb | 1562 | |
1be18254 | 1563 | dev_err(&instance->pdev->dev, "[%d]: Pending OS cmds in FW : \n",instance->host->host_no); |
658dcedb SP |
1564 | for (i = 0; i < max_cmd; i++) { |
1565 | cmd = instance->cmd_list[i]; | |
da0dc9fb | 1566 | if (!cmd->scmd) |
658dcedb | 1567 | continue; |
1be18254 | 1568 | dev_err(&instance->pdev->dev, "[%d]: Frame addr :0x%08lx : ",instance->host->host_no,(unsigned long)cmd->frame_phys_addr); |
7497cde8 | 1569 | if (megasas_cmd_type(cmd->scmd) == READ_WRITE_LDIO) { |
658dcedb SP |
1570 | ldio = (struct megasas_io_frame *)cmd->frame; |
1571 | mfi_sgl = &ldio->sgl; | |
1572 | sgcount = ldio->sge_count; | |
1be18254 | 1573 | dev_err(&instance->pdev->dev, "[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x," |
94cd65dd SS |
1574 | " lba lo : 0x%x, lba_hi : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n", |
1575 | instance->host->host_no, cmd->frame_count, ldio->cmd, ldio->target_id, | |
1576 | le32_to_cpu(ldio->start_lba_lo), le32_to_cpu(ldio->start_lba_hi), | |
1577 | le32_to_cpu(ldio->sense_buf_phys_addr_lo), sgcount); | |
da0dc9fb | 1578 | } else { |
658dcedb SP |
1579 | pthru = (struct megasas_pthru_frame *) cmd->frame; |
1580 | mfi_sgl = &pthru->sgl; | |
1581 | sgcount = pthru->sge_count; | |
1be18254 | 1582 | dev_err(&instance->pdev->dev, "[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x, " |
94cd65dd SS |
1583 | "lun : 0x%x, cdb_len : 0x%x, data xfer len : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n", |
1584 | instance->host->host_no, cmd->frame_count, pthru->cmd, pthru->target_id, | |
1585 | pthru->lun, pthru->cdb_len, le32_to_cpu(pthru->data_xfer_len), | |
1586 | le32_to_cpu(pthru->sense_buf_phys_addr_lo), sgcount); | |
658dcedb | 1587 | } |
da0dc9fb BH |
1588 | if (megasas_dbg_lvl & MEGASAS_DBG_LVL) { |
1589 | for (n = 0; n < sgcount; n++) { | |
1590 | if (IS_DMA64) | |
1591 | dev_err(&instance->pdev->dev, "sgl len : 0x%x, sgl addr : 0x%llx\n", | |
1592 | le32_to_cpu(mfi_sgl->sge64[n].length), | |
1593 | le64_to_cpu(mfi_sgl->sge64[n].phys_addr)); | |
1594 | else | |
1595 | dev_err(&instance->pdev->dev, "sgl len : 0x%x, sgl addr : 0x%x\n", | |
1596 | le32_to_cpu(mfi_sgl->sge32[n].length), | |
1597 | le32_to_cpu(mfi_sgl->sge32[n].phys_addr)); | |
658dcedb SP |
1598 | } |
1599 | } | |
658dcedb | 1600 | } /*for max_cmd*/ |
1be18254 | 1601 | dev_err(&instance->pdev->dev, "[%d]: Pending Internal cmds in FW : \n",instance->host->host_no); |
658dcedb SP |
1602 | for (i = 0; i < max_cmd; i++) { |
1603 | ||
1604 | cmd = instance->cmd_list[i]; | |
1605 | ||
da0dc9fb | 1606 | if (cmd->sync_cmd == 1) |
1be18254 | 1607 | dev_err(&instance->pdev->dev, "0x%08lx : ", (unsigned long)cmd->frame_phys_addr); |
658dcedb | 1608 | } |
1be18254 | 1609 | dev_err(&instance->pdev->dev, "[%d]: Dumping Done\n\n",instance->host->host_no); |
658dcedb SP |
1610 | } |
1611 | ||
cd50ba8e AR |
1612 | u32 |
1613 | megasas_build_and_issue_cmd(struct megasas_instance *instance, | |
1614 | struct scsi_cmnd *scmd) | |
1615 | { | |
1616 | struct megasas_cmd *cmd; | |
1617 | u32 frame_count; | |
1618 | ||
1619 | cmd = megasas_get_cmd(instance); | |
1620 | if (!cmd) | |
1621 | return SCSI_MLQUEUE_HOST_BUSY; | |
1622 | ||
1623 | /* | |
1624 | * Logical drive command | |
1625 | */ | |
7497cde8 | 1626 | if (megasas_cmd_type(scmd) == READ_WRITE_LDIO) |
cd50ba8e AR |
1627 | frame_count = megasas_build_ldio(instance, scmd, cmd); |
1628 | else | |
1629 | frame_count = megasas_build_dcdb(instance, scmd, cmd); | |
1630 | ||
1631 | if (!frame_count) | |
1632 | goto out_return_cmd; | |
1633 | ||
1634 | cmd->scmd = scmd; | |
1635 | scmd->SCp.ptr = (char *)cmd; | |
1636 | ||
1637 | /* | |
1638 | * Issue the command to the FW | |
1639 | */ | |
1640 | atomic_inc(&instance->fw_outstanding); | |
1641 | ||
1642 | instance->instancet->fire_cmd(instance, cmd->frame_phys_addr, | |
1643 | cmd->frame_count-1, instance->reg_set); | |
cd50ba8e AR |
1644 | |
1645 | return 0; | |
1646 | out_return_cmd: | |
1647 | megasas_return_cmd(instance, cmd); | |
f9a9dee6 | 1648 | return SCSI_MLQUEUE_HOST_BUSY; |
cd50ba8e AR |
1649 | } |
1650 | ||
1651 | ||
c4a3e0a5 BS |
1652 | /** |
1653 | * megasas_queue_command - Queue entry point | |
1654 | * @scmd: SCSI command to be queued | |
1655 | * @done: Callback entry point | |
1656 | */ | |
1657 | static int | |
fb1a24ff | 1658 | megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) |
c4a3e0a5 | 1659 | { |
c4a3e0a5 | 1660 | struct megasas_instance *instance; |
18365b13 | 1661 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
c4a3e0a5 BS |
1662 | |
1663 | instance = (struct megasas_instance *) | |
1664 | scmd->device->host->hostdata; | |
af37acfb | 1665 | |
aa00832b SS |
1666 | if (instance->unload == 1) { |
1667 | scmd->result = DID_NO_CONNECT << 16; | |
1668 | scmd->scsi_done(scmd); | |
1669 | return 0; | |
1670 | } | |
1671 | ||
39a98554 | 1672 | if (instance->issuepend_done == 0) |
af37acfb SP |
1673 | return SCSI_MLQUEUE_HOST_BUSY; |
1674 | ||
b09e66da | 1675 | |
229fe47c | 1676 | /* Check for an mpio path and adjust behavior */ |
8a01a41d | 1677 | if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { |
229fe47c | 1678 | if (megasas_check_mpio_paths(instance, scmd) == |
f55cf47d | 1679 | (DID_REQUEUE << 16)) { |
229fe47c AR |
1680 | return SCSI_MLQUEUE_HOST_BUSY; |
1681 | } else { | |
229fe47c | 1682 | scmd->result = DID_NO_CONNECT << 16; |
fb1a24ff | 1683 | scmd->scsi_done(scmd); |
229fe47c AR |
1684 | return 0; |
1685 | } | |
1686 | } | |
1687 | ||
8a01a41d | 1688 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
229fe47c | 1689 | scmd->result = DID_NO_CONNECT << 16; |
fb1a24ff | 1690 | scmd->scsi_done(scmd); |
b09e66da SS |
1691 | return 0; |
1692 | } | |
1693 | ||
18365b13 SS |
1694 | mr_device_priv_data = scmd->device->hostdata; |
1695 | if (!mr_device_priv_data) { | |
18365b13 SS |
1696 | scmd->result = DID_NO_CONNECT << 16; |
1697 | scmd->scsi_done(scmd); | |
1698 | return 0; | |
1699 | } | |
1700 | ||
8a01a41d | 1701 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) |
39a98554 | 1702 | return SCSI_MLQUEUE_HOST_BUSY; |
39a98554 | 1703 | |
8a01a41d | 1704 | if (mr_device_priv_data->tm_busy) |
18365b13 | 1705 | return SCSI_MLQUEUE_DEVICE_BUSY; |
18365b13 | 1706 | |
39a98554 | 1707 | |
c4a3e0a5 BS |
1708 | scmd->result = 0; |
1709 | ||
3cabd162 | 1710 | if (MEGASAS_IS_LOGICAL(scmd->device) && |
51087a86 SS |
1711 | (scmd->device->id >= instance->fw_supported_vd_count || |
1712 | scmd->device->lun)) { | |
cb59aa6a SP |
1713 | scmd->result = DID_BAD_TARGET << 16; |
1714 | goto out_done; | |
c4a3e0a5 BS |
1715 | } |
1716 | ||
3cabd162 S |
1717 | if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) && |
1718 | MEGASAS_IS_LOGICAL(scmd->device) && | |
1719 | (!instance->fw_sync_cache_support)) { | |
02b01e01 SP |
1720 | scmd->result = DID_OK << 16; |
1721 | goto out_done; | |
02b01e01 SP |
1722 | } |
1723 | ||
f9a9dee6 | 1724 | return instance->instancet->build_and_issue_cmd(instance, scmd); |
cb59aa6a | 1725 | |
cb59aa6a | 1726 | out_done: |
fb1a24ff | 1727 | scmd->scsi_done(scmd); |
cb59aa6a | 1728 | return 0; |
c4a3e0a5 BS |
1729 | } |
1730 | ||
044833b5 YB |
1731 | static struct megasas_instance *megasas_lookup_instance(u16 host_no) |
1732 | { | |
1733 | int i; | |
1734 | ||
1735 | for (i = 0; i < megasas_mgmt_info.max_index; i++) { | |
1736 | ||
1737 | if ((megasas_mgmt_info.instance[i]) && | |
1738 | (megasas_mgmt_info.instance[i]->host->host_no == host_no)) | |
1739 | return megasas_mgmt_info.instance[i]; | |
1740 | } | |
1741 | ||
1742 | return NULL; | |
1743 | } | |
1744 | ||
0b48d12d | 1745 | /* |
15dd0381 S |
1746 | * megasas_set_dynamic_target_properties - |
1747 | * Device property set by driver may not be static and it is required to be | |
1748 | * updated after OCR | |
1749 | * | |
1750 | * set tm_capable. | |
1751 | * set dma alignment (only for eedp protection enable vd). | |
0b48d12d | 1752 | * |
1753 | * @sdev: OS provided scsi device | |
1754 | * | |
1755 | * Returns void | |
1756 | */ | |
15dd0381 | 1757 | void megasas_set_dynamic_target_properties(struct scsi_device *sdev) |
0b48d12d | 1758 | { |
15dd0381 S |
1759 | u16 pd_index = 0, ld; |
1760 | u32 device_id; | |
0b48d12d | 1761 | struct megasas_instance *instance; |
1762 | struct fusion_context *fusion; | |
18365b13 SS |
1763 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
1764 | struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; | |
0b48d12d | 1765 | struct MR_LD_RAID *raid; |
1766 | struct MR_DRV_RAID_MAP_ALL *local_map_ptr; | |
1767 | ||
1768 | instance = megasas_lookup_instance(sdev->host->host_no); | |
1769 | fusion = instance->ctrl_context; | |
18365b13 | 1770 | mr_device_priv_data = sdev->hostdata; |
0b48d12d | 1771 | |
ed981b81 | 1772 | if (!fusion || !mr_device_priv_data) |
0b48d12d | 1773 | return; |
1774 | ||
ed981b81 | 1775 | if (MEGASAS_IS_LOGICAL(sdev)) { |
0b48d12d | 1776 | device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) |
1777 | + sdev->id; | |
1778 | local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; | |
1779 | ld = MR_TargetIdToLdGet(device_id, local_map_ptr); | |
ed981b81 S |
1780 | if (ld >= instance->fw_supported_vd_count) |
1781 | return; | |
0b48d12d | 1782 | raid = MR_LdRaidGet(ld, local_map_ptr); |
1783 | ||
1784 | if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) | |
15dd0381 | 1785 | blk_queue_update_dma_alignment(sdev->request_queue, 0x7); |
ed981b81 | 1786 | |
18365b13 SS |
1787 | mr_device_priv_data->is_tm_capable = |
1788 | raid->capability.tmCapable; | |
ed981b81 S |
1789 | } else if (instance->use_seqnum_jbod_fp) { |
1790 | pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + | |
15dd0381 | 1791 | sdev->id; |
ed981b81 S |
1792 | pd_sync = (void *)fusion->pd_seq_sync |
1793 | [(instance->pd_seq_map_id - 1) & 1]; | |
1794 | mr_device_priv_data->is_tm_capable = | |
15dd0381 | 1795 | pd_sync->seq[pd_index].capability.tmCapable; |
0b48d12d | 1796 | } |
1797 | } | |
1798 | ||
15dd0381 S |
1799 | /* |
1800 | * megasas_set_nvme_device_properties - | |
1801 | * set nomerges=2 | |
1802 | * set virtual page boundary = 4K (current mr_nvme_pg_size is 4K). | |
1803 | * set maximum io transfer = MDTS of NVME device provided by MR firmware. | |
1804 | * | |
1805 | * MR firmware provides value in KB. Caller of this function converts | |
1806 | * kb into bytes. | |
1807 | * | |
1808 | * e.a MDTS=5 means 2^5 * nvme page size. (In case of 4K page size, | |
1809 | * MR firmware provides value 128 as (32 * 4K) = 128K. | |
1810 | * | |
1811 | * @sdev: scsi device | |
1812 | * @max_io_size: maximum io transfer size | |
1813 | * | |
1814 | */ | |
1815 | static inline void | |
1816 | megasas_set_nvme_device_properties(struct scsi_device *sdev, u32 max_io_size) | |
2216c305 | 1817 | { |
2216c305 | 1818 | struct megasas_instance *instance; |
15dd0381 | 1819 | u32 mr_nvme_pg_size; |
2216c305 | 1820 | |
15dd0381 S |
1821 | instance = (struct megasas_instance *)sdev->host->hostdata; |
1822 | mr_nvme_pg_size = max_t(u32, instance->nvme_page_size, | |
1823 | MR_DEFAULT_NVME_PAGE_SIZE); | |
2216c305 | 1824 | |
15dd0381 | 1825 | blk_queue_max_hw_sectors(sdev->request_queue, (max_io_size / 512)); |
2216c305 | 1826 | |
15dd0381 S |
1827 | queue_flag_set_unlocked(QUEUE_FLAG_NOMERGES, sdev->request_queue); |
1828 | blk_queue_virt_boundary(sdev->request_queue, mr_nvme_pg_size - 1); | |
1829 | } | |
2216c305 | 1830 | |
2216c305 | 1831 | |
15dd0381 S |
1832 | /* |
1833 | * megasas_set_static_target_properties - | |
1834 | * Device property set by driver are static and it is not required to be | |
1835 | * updated after OCR. | |
1836 | * | |
1837 | * set io timeout | |
1838 | * set device queue depth | |
1839 | * set nvme device properties. see - megasas_set_nvme_device_properties | |
1840 | * | |
1841 | * @sdev: scsi device | |
96188a89 | 1842 | * @is_target_prop true, if fw provided target properties. |
15dd0381 | 1843 | */ |
96188a89 S |
1844 | static void megasas_set_static_target_properties(struct scsi_device *sdev, |
1845 | bool is_target_prop) | |
15dd0381 S |
1846 | { |
1847 | u16 target_index = 0; | |
1848 | u8 interface_type; | |
1849 | u32 device_qd = MEGASAS_DEFAULT_CMD_PER_LUN; | |
1850 | u32 max_io_size_kb = MR_DEFAULT_NVME_MDTS_KB; | |
96188a89 | 1851 | u32 tgt_device_qd; |
15dd0381 S |
1852 | struct megasas_instance *instance; |
1853 | struct MR_PRIV_DEVICE *mr_device_priv_data; | |
2216c305 | 1854 | |
15dd0381 S |
1855 | instance = megasas_lookup_instance(sdev->host->host_no); |
1856 | mr_device_priv_data = sdev->hostdata; | |
1857 | interface_type = mr_device_priv_data->interface_type; | |
2216c305 | 1858 | |
15dd0381 S |
1859 | /* |
1860 | * The RAID firmware may require extended timeouts. | |
1861 | */ | |
1862 | blk_queue_rq_timeout(sdev->request_queue, scmd_timeout * HZ); | |
2216c305 | 1863 | |
15dd0381 S |
1864 | target_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id; |
1865 | ||
1866 | switch (interface_type) { | |
1867 | case SAS_PD: | |
1868 | device_qd = MEGASAS_SAS_QD; | |
1869 | break; | |
1870 | case SATA_PD: | |
1871 | device_qd = MEGASAS_SATA_QD; | |
1872 | break; | |
1873 | case NVME_PD: | |
1874 | device_qd = MEGASAS_NVME_QD; | |
1875 | break; | |
2216c305 | 1876 | } |
15dd0381 | 1877 | |
96188a89 S |
1878 | if (is_target_prop) { |
1879 | tgt_device_qd = le32_to_cpu(instance->tgt_prop->device_qdepth); | |
1880 | if (tgt_device_qd && | |
1881 | (tgt_device_qd <= instance->host->can_queue)) | |
1882 | device_qd = tgt_device_qd; | |
1883 | ||
1884 | /* max_io_size_kb will be set to non zero for | |
1885 | * nvme based vd and syspd. | |
1886 | */ | |
1887 | max_io_size_kb = le32_to_cpu(instance->tgt_prop->max_io_size_kb); | |
1888 | } | |
1889 | ||
15dd0381 S |
1890 | if (instance->nvme_page_size && max_io_size_kb) |
1891 | megasas_set_nvme_device_properties(sdev, (max_io_size_kb << 10)); | |
1892 | ||
1893 | scsi_change_queue_depth(sdev, device_qd); | |
1894 | ||
2216c305 SS |
1895 | } |
1896 | ||
18365b13 | 1897 | |
147aab6a CH |
1898 | static int megasas_slave_configure(struct scsi_device *sdev) |
1899 | { | |
aed335ee SS |
1900 | u16 pd_index = 0; |
1901 | struct megasas_instance *instance; | |
96188a89 S |
1902 | int ret_target_prop = DCMD_FAILED; |
1903 | bool is_target_prop = false; | |
aed335ee SS |
1904 | |
1905 | instance = megasas_lookup_instance(sdev->host->host_no); | |
30845586 | 1906 | if (instance->pd_list_not_supported) { |
3cabd162 | 1907 | if (!MEGASAS_IS_LOGICAL(sdev) && sdev->type == TYPE_DISK) { |
aed335ee SS |
1908 | pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + |
1909 | sdev->id; | |
1910 | if (instance->pd_list[pd_index].driveState != | |
1911 | MR_PD_STATE_SYSTEM) | |
1912 | return -ENXIO; | |
1913 | } | |
1914 | } | |
18365b13 | 1915 | |
15dd0381 S |
1916 | mutex_lock(&instance->hba_mutex); |
1917 | /* Send DCMD to Firmware and cache the information */ | |
1918 | if ((instance->pd_info) && !MEGASAS_IS_LOGICAL(sdev)) | |
1919 | megasas_get_pd_info(instance, sdev); | |
1920 | ||
96188a89 S |
1921 | /* Some ventura firmware may not have instance->nvme_page_size set. |
1922 | * Do not send MR_DCMD_DRV_GET_TARGET_PROP | |
1923 | */ | |
1924 | if ((instance->tgt_prop) && (instance->nvme_page_size)) | |
1925 | ret_target_prop = megasas_get_target_prop(instance, sdev); | |
1926 | ||
1927 | is_target_prop = (ret_target_prop == DCMD_SUCCESS) ? true : false; | |
1928 | megasas_set_static_target_properties(sdev, is_target_prop); | |
15dd0381 S |
1929 | |
1930 | mutex_unlock(&instance->hba_mutex); | |
1931 | ||
1932 | /* This sdev property may change post OCR */ | |
1933 | megasas_set_dynamic_target_properties(sdev); | |
07e38d94 | 1934 | |
044833b5 YB |
1935 | return 0; |
1936 | } | |
1937 | ||
1938 | static int megasas_slave_alloc(struct scsi_device *sdev) | |
1939 | { | |
da0dc9fb | 1940 | u16 pd_index = 0; |
044833b5 | 1941 | struct megasas_instance *instance ; |
18365b13 | 1942 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
da0dc9fb | 1943 | |
044833b5 | 1944 | instance = megasas_lookup_instance(sdev->host->host_no); |
3cabd162 | 1945 | if (!MEGASAS_IS_LOGICAL(sdev)) { |
044833b5 YB |
1946 | /* |
1947 | * Open the OS scan to the SYSTEM PD | |
1948 | */ | |
1949 | pd_index = | |
1950 | (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + | |
1951 | sdev->id; | |
30845586 SS |
1952 | if ((instance->pd_list_not_supported || |
1953 | instance->pd_list[pd_index].driveState == | |
aed335ee | 1954 | MR_PD_STATE_SYSTEM)) { |
18365b13 | 1955 | goto scan_target; |
044833b5 YB |
1956 | } |
1957 | return -ENXIO; | |
1958 | } | |
18365b13 SS |
1959 | |
1960 | scan_target: | |
1961 | mr_device_priv_data = kzalloc(sizeof(*mr_device_priv_data), | |
1962 | GFP_KERNEL); | |
1963 | if (!mr_device_priv_data) | |
1964 | return -ENOMEM; | |
1965 | sdev->hostdata = mr_device_priv_data; | |
49524b3c S |
1966 | |
1967 | atomic_set(&mr_device_priv_data->r1_ldio_hint, | |
1968 | instance->r1_ldio_hint_default); | |
147aab6a CH |
1969 | return 0; |
1970 | } | |
1971 | ||
18365b13 SS |
1972 | static void megasas_slave_destroy(struct scsi_device *sdev) |
1973 | { | |
1974 | kfree(sdev->hostdata); | |
1975 | sdev->hostdata = NULL; | |
1976 | } | |
1977 | ||
c8dd61ef SS |
1978 | /* |
1979 | * megasas_complete_outstanding_ioctls - Complete outstanding ioctls after a | |
1980 | * kill adapter | |
1981 | * @instance: Adapter soft state | |
1982 | * | |
1983 | */ | |
6a6981fe | 1984 | static void megasas_complete_outstanding_ioctls(struct megasas_instance *instance) |
c8dd61ef SS |
1985 | { |
1986 | int i; | |
1987 | struct megasas_cmd *cmd_mfi; | |
1988 | struct megasas_cmd_fusion *cmd_fusion; | |
1989 | struct fusion_context *fusion = instance->ctrl_context; | |
1990 | ||
1991 | /* Find all outstanding ioctls */ | |
1992 | if (fusion) { | |
1993 | for (i = 0; i < instance->max_fw_cmds; i++) { | |
1994 | cmd_fusion = fusion->cmd_list[i]; | |
1995 | if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) { | |
1996 | cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; | |
1997 | if (cmd_mfi->sync_cmd && | |
1998 | cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT) | |
1999 | megasas_complete_cmd(instance, | |
2000 | cmd_mfi, DID_OK); | |
2001 | } | |
2002 | } | |
2003 | } else { | |
2004 | for (i = 0; i < instance->max_fw_cmds; i++) { | |
2005 | cmd_mfi = instance->cmd_list[i]; | |
2006 | if (cmd_mfi->sync_cmd && cmd_mfi->frame->hdr.cmd != | |
2007 | MFI_CMD_ABORT) | |
2008 | megasas_complete_cmd(instance, cmd_mfi, DID_OK); | |
2009 | } | |
2010 | } | |
2011 | } | |
2012 | ||
2013 | ||
9c915a8c | 2014 | void megaraid_sas_kill_hba(struct megasas_instance *instance) |
39a98554 | 2015 | { |
c8dd61ef | 2016 | /* Set critical error to block I/O & ioctls in case caller didn't */ |
8a01a41d | 2017 | atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); |
c8dd61ef SS |
2018 | /* Wait 1 second to ensure IO or ioctls in build have posted */ |
2019 | msleep(1000); | |
39a98554 | 2020 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || |
c8dd61ef | 2021 | (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || |
5a8cb85b | 2022 | (instance->ctrl_context)) { |
da0dc9fb | 2023 | writel(MFI_STOP_ADP, &instance->reg_set->doorbell); |
229fe47c AR |
2024 | /* Flush */ |
2025 | readl(&instance->reg_set->doorbell); | |
8f67c8c5 | 2026 | if (instance->requestorId && instance->peerIsPresent) |
229fe47c | 2027 | memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); |
39a98554 | 2028 | } else { |
c8dd61ef SS |
2029 | writel(MFI_STOP_ADP, |
2030 | &instance->reg_set->inbound_doorbell); | |
9c915a8c | 2031 | } |
c8dd61ef SS |
2032 | /* Complete outstanding ioctls when adapter is killed */ |
2033 | megasas_complete_outstanding_ioctls(instance); | |
9c915a8c AR |
2034 | } |
2035 | ||
2036 | /** | |
2037 | * megasas_check_and_restore_queue_depth - Check if queue depth needs to be | |
2038 | * restored to max value | |
2039 | * @instance: Adapter soft state | |
2040 | * | |
2041 | */ | |
2042 | void | |
2043 | megasas_check_and_restore_queue_depth(struct megasas_instance *instance) | |
2044 | { | |
2045 | unsigned long flags; | |
ae09a6c1 | 2046 | |
9c915a8c | 2047 | if (instance->flag & MEGASAS_FW_BUSY |
c5daa6a9 AR |
2048 | && time_after(jiffies, instance->last_time + 5 * HZ) |
2049 | && atomic_read(&instance->fw_outstanding) < | |
2050 | instance->throttlequeuedepth + 1) { | |
9c915a8c AR |
2051 | |
2052 | spin_lock_irqsave(instance->host->host_lock, flags); | |
2053 | instance->flag &= ~MEGASAS_FW_BUSY; | |
9c915a8c | 2054 | |
308ec459 | 2055 | instance->host->can_queue = instance->cur_can_queue; |
9c915a8c | 2056 | spin_unlock_irqrestore(instance->host->host_lock, flags); |
39a98554 | 2057 | } |
2058 | } | |
2059 | ||
7343eb65 | 2060 | /** |
2061 | * megasas_complete_cmd_dpc - Returns FW's controller structure | |
2062 | * @instance_addr: Address of adapter soft state | |
2063 | * | |
2064 | * Tasklet to complete cmds | |
2065 | */ | |
2066 | static void megasas_complete_cmd_dpc(unsigned long instance_addr) | |
2067 | { | |
2068 | u32 producer; | |
2069 | u32 consumer; | |
2070 | u32 context; | |
2071 | struct megasas_cmd *cmd; | |
2072 | struct megasas_instance *instance = | |
2073 | (struct megasas_instance *)instance_addr; | |
2074 | unsigned long flags; | |
2075 | ||
2076 | /* If we have already declared adapter dead, donot complete cmds */ | |
8a01a41d | 2077 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
7343eb65 | 2078 | return; |
2079 | ||
2080 | spin_lock_irqsave(&instance->completion_lock, flags); | |
2081 | ||
94cd65dd SS |
2082 | producer = le32_to_cpu(*instance->producer); |
2083 | consumer = le32_to_cpu(*instance->consumer); | |
7343eb65 | 2084 | |
2085 | while (consumer != producer) { | |
94cd65dd | 2086 | context = le32_to_cpu(instance->reply_queue[consumer]); |
39a98554 | 2087 | if (context >= instance->max_fw_cmds) { |
1be18254 | 2088 | dev_err(&instance->pdev->dev, "Unexpected context value %x\n", |
39a98554 | 2089 | context); |
2090 | BUG(); | |
2091 | } | |
7343eb65 | 2092 | |
2093 | cmd = instance->cmd_list[context]; | |
2094 | ||
2095 | megasas_complete_cmd(instance, cmd, DID_OK); | |
2096 | ||
2097 | consumer++; | |
2098 | if (consumer == (instance->max_fw_cmds + 1)) { | |
2099 | consumer = 0; | |
2100 | } | |
2101 | } | |
2102 | ||
94cd65dd | 2103 | *instance->consumer = cpu_to_le32(producer); |
7343eb65 | 2104 | |
2105 | spin_unlock_irqrestore(&instance->completion_lock, flags); | |
2106 | ||
2107 | /* | |
2108 | * Check if we can restore can_queue | |
2109 | */ | |
9c915a8c | 2110 | megasas_check_and_restore_queue_depth(instance); |
7343eb65 | 2111 | } |
2112 | ||
229fe47c AR |
2113 | /** |
2114 | * megasas_start_timer - Initializes a timer object | |
2115 | * @instance: Adapter soft state | |
2116 | * @timer: timer object to be initialized | |
2117 | * @fn: timer function | |
2118 | * @interval: time interval between timer function call | |
2119 | * | |
2120 | */ | |
2121 | void megasas_start_timer(struct megasas_instance *instance, | |
2122 | struct timer_list *timer, | |
2123 | void *fn, unsigned long interval) | |
2124 | { | |
2125 | init_timer(timer); | |
2126 | timer->expires = jiffies + interval; | |
2127 | timer->data = (unsigned long)instance; | |
2128 | timer->function = fn; | |
2129 | add_timer(timer); | |
2130 | } | |
2131 | ||
707e09bd YB |
2132 | static void |
2133 | megasas_internal_reset_defer_cmds(struct megasas_instance *instance); | |
2134 | ||
2135 | static void | |
2136 | process_fw_state_change_wq(struct work_struct *work); | |
2137 | ||
2138 | void megasas_do_ocr(struct megasas_instance *instance) | |
2139 | { | |
2140 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) || | |
2141 | (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) || | |
2142 | (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR)) { | |
94cd65dd | 2143 | *instance->consumer = cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); |
707e09bd | 2144 | } |
d46a3ad6 | 2145 | instance->instancet->disable_intr(instance); |
8a01a41d | 2146 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
707e09bd YB |
2147 | instance->issuepend_done = 0; |
2148 | ||
2149 | atomic_set(&instance->fw_outstanding, 0); | |
2150 | megasas_internal_reset_defer_cmds(instance); | |
2151 | process_fw_state_change_wq(&instance->work_init); | |
2152 | } | |
2153 | ||
4cbfea88 AR |
2154 | static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance, |
2155 | int initial) | |
229fe47c AR |
2156 | { |
2157 | struct megasas_cmd *cmd; | |
2158 | struct megasas_dcmd_frame *dcmd; | |
229fe47c | 2159 | struct MR_LD_VF_AFFILIATION_111 *new_affiliation_111 = NULL; |
229fe47c AR |
2160 | dma_addr_t new_affiliation_111_h; |
2161 | int ld, retval = 0; | |
2162 | u8 thisVf; | |
2163 | ||
2164 | cmd = megasas_get_cmd(instance); | |
2165 | ||
2166 | if (!cmd) { | |
1be18254 BH |
2167 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_vf_affiliation_111:" |
2168 | "Failed to get cmd for scsi%d\n", | |
229fe47c AR |
2169 | instance->host->host_no); |
2170 | return -ENOMEM; | |
2171 | } | |
2172 | ||
2173 | dcmd = &cmd->frame->dcmd; | |
2174 | ||
4cbfea88 | 2175 | if (!instance->vf_affiliation_111) { |
1be18254 BH |
2176 | dev_warn(&instance->pdev->dev, "SR-IOV: Couldn't get LD/VF " |
2177 | "affiliation for scsi%d\n", instance->host->host_no); | |
229fe47c AR |
2178 | megasas_return_cmd(instance, cmd); |
2179 | return -ENOMEM; | |
2180 | } | |
2181 | ||
2182 | if (initial) | |
229fe47c AR |
2183 | memset(instance->vf_affiliation_111, 0, |
2184 | sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
229fe47c | 2185 | else { |
4cbfea88 AR |
2186 | new_affiliation_111 = |
2187 | pci_alloc_consistent(instance->pdev, | |
2188 | sizeof(struct MR_LD_VF_AFFILIATION_111), | |
2189 | &new_affiliation_111_h); | |
2190 | if (!new_affiliation_111) { | |
1be18254 BH |
2191 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate " |
2192 | "memory for new affiliation for scsi%d\n", | |
4cbfea88 | 2193 | instance->host->host_no); |
229fe47c AR |
2194 | megasas_return_cmd(instance, cmd); |
2195 | return -ENOMEM; | |
2196 | } | |
4cbfea88 AR |
2197 | memset(new_affiliation_111, 0, |
2198 | sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
229fe47c AR |
2199 | } |
2200 | ||
2201 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
2202 | ||
2203 | dcmd->cmd = MFI_CMD_DCMD; | |
2be2a988 | 2204 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
229fe47c | 2205 | dcmd->sge_count = 1; |
2213a467 | 2206 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH); |
229fe47c AR |
2207 | dcmd->timeout = 0; |
2208 | dcmd->pad_0 = 0; | |
2213a467 CH |
2209 | dcmd->data_xfer_len = |
2210 | cpu_to_le32(sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
2211 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111); | |
229fe47c | 2212 | |
4cbfea88 AR |
2213 | if (initial) |
2214 | dcmd->sgl.sge32[0].phys_addr = | |
2213a467 | 2215 | cpu_to_le32(instance->vf_affiliation_111_h); |
229fe47c | 2216 | else |
2213a467 CH |
2217 | dcmd->sgl.sge32[0].phys_addr = |
2218 | cpu_to_le32(new_affiliation_111_h); | |
4cbfea88 | 2219 | |
2213a467 CH |
2220 | dcmd->sgl.sge32[0].length = cpu_to_le32( |
2221 | sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
229fe47c | 2222 | |
1be18254 | 2223 | dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for " |
229fe47c AR |
2224 | "scsi%d\n", instance->host->host_no); |
2225 | ||
6d40afbc | 2226 | if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) { |
1be18254 BH |
2227 | dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD" |
2228 | " failed with status 0x%x for scsi%d\n", | |
229fe47c AR |
2229 | dcmd->cmd_status, instance->host->host_no); |
2230 | retval = 1; /* Do a scan if we couldn't get affiliation */ | |
2231 | goto out; | |
2232 | } | |
2233 | ||
2234 | if (!initial) { | |
4cbfea88 AR |
2235 | thisVf = new_affiliation_111->thisVf; |
2236 | for (ld = 0 ; ld < new_affiliation_111->vdCount; ld++) | |
2237 | if (instance->vf_affiliation_111->map[ld].policy[thisVf] != | |
2238 | new_affiliation_111->map[ld].policy[thisVf]) { | |
1be18254 BH |
2239 | dev_warn(&instance->pdev->dev, "SR-IOV: " |
2240 | "Got new LD/VF affiliation for scsi%d\n", | |
229fe47c | 2241 | instance->host->host_no); |
4cbfea88 AR |
2242 | memcpy(instance->vf_affiliation_111, |
2243 | new_affiliation_111, | |
2244 | sizeof(struct MR_LD_VF_AFFILIATION_111)); | |
229fe47c AR |
2245 | retval = 1; |
2246 | goto out; | |
2247 | } | |
4cbfea88 AR |
2248 | } |
2249 | out: | |
2250 | if (new_affiliation_111) { | |
2251 | pci_free_consistent(instance->pdev, | |
2252 | sizeof(struct MR_LD_VF_AFFILIATION_111), | |
2253 | new_affiliation_111, | |
2254 | new_affiliation_111_h); | |
2255 | } | |
90dc9d98 | 2256 | |
4026e9aa | 2257 | megasas_return_cmd(instance, cmd); |
4cbfea88 AR |
2258 | |
2259 | return retval; | |
2260 | } | |
2261 | ||
2262 | static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance, | |
2263 | int initial) | |
2264 | { | |
2265 | struct megasas_cmd *cmd; | |
2266 | struct megasas_dcmd_frame *dcmd; | |
2267 | struct MR_LD_VF_AFFILIATION *new_affiliation = NULL; | |
2268 | struct MR_LD_VF_MAP *newmap = NULL, *savedmap = NULL; | |
2269 | dma_addr_t new_affiliation_h; | |
2270 | int i, j, retval = 0, found = 0, doscan = 0; | |
2271 | u8 thisVf; | |
2272 | ||
2273 | cmd = megasas_get_cmd(instance); | |
2274 | ||
2275 | if (!cmd) { | |
1be18254 BH |
2276 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_vf_affiliation12: " |
2277 | "Failed to get cmd for scsi%d\n", | |
4cbfea88 AR |
2278 | instance->host->host_no); |
2279 | return -ENOMEM; | |
2280 | } | |
2281 | ||
2282 | dcmd = &cmd->frame->dcmd; | |
2283 | ||
2284 | if (!instance->vf_affiliation) { | |
1be18254 BH |
2285 | dev_warn(&instance->pdev->dev, "SR-IOV: Couldn't get LD/VF " |
2286 | "affiliation for scsi%d\n", instance->host->host_no); | |
4cbfea88 AR |
2287 | megasas_return_cmd(instance, cmd); |
2288 | return -ENOMEM; | |
2289 | } | |
2290 | ||
2291 | if (initial) | |
2292 | memset(instance->vf_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * | |
2293 | sizeof(struct MR_LD_VF_AFFILIATION)); | |
2294 | else { | |
2295 | new_affiliation = | |
2296 | pci_alloc_consistent(instance->pdev, | |
2297 | (MAX_LOGICAL_DRIVES + 1) * | |
2298 | sizeof(struct MR_LD_VF_AFFILIATION), | |
2299 | &new_affiliation_h); | |
2300 | if (!new_affiliation) { | |
1be18254 BH |
2301 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate " |
2302 | "memory for new affiliation for scsi%d\n", | |
4cbfea88 AR |
2303 | instance->host->host_no); |
2304 | megasas_return_cmd(instance, cmd); | |
2305 | return -ENOMEM; | |
2306 | } | |
2307 | memset(new_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * | |
2308 | sizeof(struct MR_LD_VF_AFFILIATION)); | |
2309 | } | |
2310 | ||
2311 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
2312 | ||
2313 | dcmd->cmd = MFI_CMD_DCMD; | |
2be2a988 | 2314 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
4cbfea88 | 2315 | dcmd->sge_count = 1; |
2213a467 | 2316 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH); |
4cbfea88 AR |
2317 | dcmd->timeout = 0; |
2318 | dcmd->pad_0 = 0; | |
2213a467 CH |
2319 | dcmd->data_xfer_len = cpu_to_le32((MAX_LOGICAL_DRIVES + 1) * |
2320 | sizeof(struct MR_LD_VF_AFFILIATION)); | |
2321 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_VF_MAP_GET_ALL_LDS); | |
4cbfea88 AR |
2322 | |
2323 | if (initial) | |
2213a467 CH |
2324 | dcmd->sgl.sge32[0].phys_addr = |
2325 | cpu_to_le32(instance->vf_affiliation_h); | |
4cbfea88 | 2326 | else |
2213a467 CH |
2327 | dcmd->sgl.sge32[0].phys_addr = |
2328 | cpu_to_le32(new_affiliation_h); | |
4cbfea88 | 2329 | |
2213a467 CH |
2330 | dcmd->sgl.sge32[0].length = cpu_to_le32((MAX_LOGICAL_DRIVES + 1) * |
2331 | sizeof(struct MR_LD_VF_AFFILIATION)); | |
4cbfea88 | 2332 | |
1be18254 | 2333 | dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for " |
4cbfea88 AR |
2334 | "scsi%d\n", instance->host->host_no); |
2335 | ||
4cbfea88 | 2336 | |
6d40afbc | 2337 | if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) { |
1be18254 BH |
2338 | dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD" |
2339 | " failed with status 0x%x for scsi%d\n", | |
4cbfea88 AR |
2340 | dcmd->cmd_status, instance->host->host_no); |
2341 | retval = 1; /* Do a scan if we couldn't get affiliation */ | |
2342 | goto out; | |
2343 | } | |
2344 | ||
2345 | if (!initial) { | |
2346 | if (!new_affiliation->ldCount) { | |
1be18254 BH |
2347 | dev_warn(&instance->pdev->dev, "SR-IOV: Got new LD/VF " |
2348 | "affiliation for passive path for scsi%d\n", | |
4cbfea88 AR |
2349 | instance->host->host_no); |
2350 | retval = 1; | |
2351 | goto out; | |
2352 | } | |
2353 | newmap = new_affiliation->map; | |
2354 | savedmap = instance->vf_affiliation->map; | |
2355 | thisVf = new_affiliation->thisVf; | |
2356 | for (i = 0 ; i < new_affiliation->ldCount; i++) { | |
2357 | found = 0; | |
2358 | for (j = 0; j < instance->vf_affiliation->ldCount; | |
2359 | j++) { | |
2360 | if (newmap->ref.targetId == | |
2361 | savedmap->ref.targetId) { | |
2362 | found = 1; | |
2363 | if (newmap->policy[thisVf] != | |
2364 | savedmap->policy[thisVf]) { | |
2365 | doscan = 1; | |
2366 | goto out; | |
2367 | } | |
229fe47c AR |
2368 | } |
2369 | savedmap = (struct MR_LD_VF_MAP *) | |
2370 | ((unsigned char *)savedmap + | |
2371 | savedmap->size); | |
4cbfea88 AR |
2372 | } |
2373 | if (!found && newmap->policy[thisVf] != | |
2374 | MR_LD_ACCESS_HIDDEN) { | |
2375 | doscan = 1; | |
2376 | goto out; | |
2377 | } | |
2378 | newmap = (struct MR_LD_VF_MAP *) | |
2379 | ((unsigned char *)newmap + newmap->size); | |
2380 | } | |
2381 | ||
2382 | newmap = new_affiliation->map; | |
2383 | savedmap = instance->vf_affiliation->map; | |
2384 | ||
2385 | for (i = 0 ; i < instance->vf_affiliation->ldCount; i++) { | |
2386 | found = 0; | |
2387 | for (j = 0 ; j < new_affiliation->ldCount; j++) { | |
2388 | if (savedmap->ref.targetId == | |
2389 | newmap->ref.targetId) { | |
2390 | found = 1; | |
2391 | if (savedmap->policy[thisVf] != | |
2392 | newmap->policy[thisVf]) { | |
2393 | doscan = 1; | |
2394 | goto out; | |
2395 | } | |
2396 | } | |
229fe47c AR |
2397 | newmap = (struct MR_LD_VF_MAP *) |
2398 | ((unsigned char *)newmap + | |
2399 | newmap->size); | |
2400 | } | |
4cbfea88 AR |
2401 | if (!found && savedmap->policy[thisVf] != |
2402 | MR_LD_ACCESS_HIDDEN) { | |
2403 | doscan = 1; | |
2404 | goto out; | |
2405 | } | |
2406 | savedmap = (struct MR_LD_VF_MAP *) | |
2407 | ((unsigned char *)savedmap + | |
2408 | savedmap->size); | |
229fe47c AR |
2409 | } |
2410 | } | |
2411 | out: | |
4cbfea88 | 2412 | if (doscan) { |
1be18254 BH |
2413 | dev_warn(&instance->pdev->dev, "SR-IOV: Got new LD/VF " |
2414 | "affiliation for scsi%d\n", instance->host->host_no); | |
4cbfea88 AR |
2415 | memcpy(instance->vf_affiliation, new_affiliation, |
2416 | new_affiliation->size); | |
2417 | retval = 1; | |
229fe47c | 2418 | } |
4cbfea88 AR |
2419 | |
2420 | if (new_affiliation) | |
2421 | pci_free_consistent(instance->pdev, | |
2422 | (MAX_LOGICAL_DRIVES + 1) * | |
2423 | sizeof(struct MR_LD_VF_AFFILIATION), | |
2424 | new_affiliation, new_affiliation_h); | |
4026e9aa | 2425 | megasas_return_cmd(instance, cmd); |
229fe47c AR |
2426 | |
2427 | return retval; | |
2428 | } | |
2429 | ||
4cbfea88 AR |
2430 | /* This function will get the current SR-IOV LD/VF affiliation */ |
2431 | static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, | |
2432 | int initial) | |
2433 | { | |
2434 | int retval; | |
2435 | ||
2436 | if (instance->PlasmaFW111) | |
2437 | retval = megasas_get_ld_vf_affiliation_111(instance, initial); | |
2438 | else | |
2439 | retval = megasas_get_ld_vf_affiliation_12(instance, initial); | |
2440 | return retval; | |
2441 | } | |
2442 | ||
229fe47c AR |
2443 | /* This function will tell FW to start the SR-IOV heartbeat */ |
2444 | int megasas_sriov_start_heartbeat(struct megasas_instance *instance, | |
2445 | int initial) | |
2446 | { | |
2447 | struct megasas_cmd *cmd; | |
2448 | struct megasas_dcmd_frame *dcmd; | |
2449 | int retval = 0; | |
2450 | ||
2451 | cmd = megasas_get_cmd(instance); | |
2452 | ||
2453 | if (!cmd) { | |
1be18254 BH |
2454 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_sriov_start_heartbeat: " |
2455 | "Failed to get cmd for scsi%d\n", | |
229fe47c AR |
2456 | instance->host->host_no); |
2457 | return -ENOMEM; | |
2458 | } | |
2459 | ||
2460 | dcmd = &cmd->frame->dcmd; | |
2461 | ||
2462 | if (initial) { | |
2463 | instance->hb_host_mem = | |
7c845eb5 JP |
2464 | pci_zalloc_consistent(instance->pdev, |
2465 | sizeof(struct MR_CTRL_HB_HOST_MEM), | |
2466 | &instance->hb_host_mem_h); | |
229fe47c | 2467 | if (!instance->hb_host_mem) { |
1be18254 BH |
2468 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate" |
2469 | " memory for heartbeat host memory for scsi%d\n", | |
2470 | instance->host->host_no); | |
229fe47c AR |
2471 | retval = -ENOMEM; |
2472 | goto out; | |
2473 | } | |
229fe47c AR |
2474 | } |
2475 | ||
2476 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
2477 | ||
2213a467 | 2478 | dcmd->mbox.s[0] = cpu_to_le16(sizeof(struct MR_CTRL_HB_HOST_MEM)); |
229fe47c | 2479 | dcmd->cmd = MFI_CMD_DCMD; |
2be2a988 | 2480 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
229fe47c | 2481 | dcmd->sge_count = 1; |
2213a467 | 2482 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH); |
229fe47c AR |
2483 | dcmd->timeout = 0; |
2484 | dcmd->pad_0 = 0; | |
2213a467 CH |
2485 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_CTRL_HB_HOST_MEM)); |
2486 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC); | |
2487 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->hb_host_mem_h); | |
2488 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_CTRL_HB_HOST_MEM)); | |
229fe47c | 2489 | |
1be18254 | 2490 | dev_warn(&instance->pdev->dev, "SR-IOV: Starting heartbeat for scsi%d\n", |
229fe47c AR |
2491 | instance->host->host_no); |
2492 | ||
4026e9aa SS |
2493 | if (instance->ctrl_context && !instance->mask_interrupts) |
2494 | retval = megasas_issue_blocked_cmd(instance, cmd, | |
2495 | MEGASAS_ROUTINE_WAIT_TIME_VF); | |
2496 | else | |
2497 | retval = megasas_issue_polled(instance, cmd); | |
229fe47c | 2498 | |
4026e9aa | 2499 | if (retval) { |
2be2a988 SS |
2500 | dev_warn(&instance->pdev->dev, "SR-IOV: MR_DCMD_CTRL_SHARED_HOST" |
2501 | "_MEM_ALLOC DCMD %s for scsi%d\n", | |
2502 | (dcmd->cmd_status == MFI_STAT_INVALID_STATUS) ? | |
2503 | "timed out" : "failed", instance->host->host_no); | |
229fe47c | 2504 | retval = 1; |
229fe47c AR |
2505 | } |
2506 | ||
2507 | out: | |
2508 | megasas_return_cmd(instance, cmd); | |
2509 | ||
2510 | return retval; | |
2511 | } | |
2512 | ||
2513 | /* Handler for SR-IOV heartbeat */ | |
2514 | void megasas_sriov_heartbeat_handler(unsigned long instance_addr) | |
2515 | { | |
2516 | struct megasas_instance *instance = | |
2517 | (struct megasas_instance *)instance_addr; | |
2518 | ||
2519 | if (instance->hb_host_mem->HB.fwCounter != | |
2520 | instance->hb_host_mem->HB.driverCounter) { | |
2521 | instance->hb_host_mem->HB.driverCounter = | |
2522 | instance->hb_host_mem->HB.fwCounter; | |
2523 | mod_timer(&instance->sriov_heartbeat_timer, | |
2524 | jiffies + MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
2525 | } else { | |
1be18254 | 2526 | dev_warn(&instance->pdev->dev, "SR-IOV: Heartbeat never " |
229fe47c AR |
2527 | "completed for scsi%d\n", instance->host->host_no); |
2528 | schedule_work(&instance->work_init); | |
2529 | } | |
2530 | } | |
2531 | ||
c4a3e0a5 BS |
2532 | /** |
2533 | * megasas_wait_for_outstanding - Wait for all outstanding cmds | |
2534 | * @instance: Adapter soft state | |
2535 | * | |
25985edc | 2536 | * This function waits for up to MEGASAS_RESET_WAIT_TIME seconds for FW to |
c4a3e0a5 BS |
2537 | * complete all its outstanding commands. Returns error if one or more IOs |
2538 | * are pending after this time period. It also marks the controller dead. | |
2539 | */ | |
2540 | static int megasas_wait_for_outstanding(struct megasas_instance *instance) | |
2541 | { | |
ccc7507d | 2542 | int i, sl, outstanding; |
39a98554 | 2543 | u32 reset_index; |
c4a3e0a5 | 2544 | u32 wait_time = MEGASAS_RESET_WAIT_TIME; |
39a98554 | 2545 | unsigned long flags; |
2546 | struct list_head clist_local; | |
2547 | struct megasas_cmd *reset_cmd; | |
707e09bd | 2548 | u32 fw_state; |
39a98554 | 2549 | |
ccc7507d SS |
2550 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
2551 | dev_info(&instance->pdev->dev, "%s:%d HBA is killed.\n", | |
2552 | __func__, __LINE__); | |
2553 | return FAILED; | |
2554 | } | |
39a98554 | 2555 | |
8a01a41d | 2556 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
39a98554 | 2557 | |
2558 | INIT_LIST_HEAD(&clist_local); | |
2559 | spin_lock_irqsave(&instance->hba_lock, flags); | |
2560 | list_splice_init(&instance->internal_reset_pending_q, | |
2561 | &clist_local); | |
2562 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
2563 | ||
1be18254 | 2564 | dev_notice(&instance->pdev->dev, "HBA reset wait ...\n"); |
39a98554 | 2565 | for (i = 0; i < wait_time; i++) { |
2566 | msleep(1000); | |
8a01a41d | 2567 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) |
39a98554 | 2568 | break; |
2569 | } | |
2570 | ||
8a01a41d | 2571 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
1be18254 | 2572 | dev_notice(&instance->pdev->dev, "reset: Stopping HBA.\n"); |
8a01a41d | 2573 | atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); |
39a98554 | 2574 | return FAILED; |
2575 | } | |
2576 | ||
da0dc9fb | 2577 | reset_index = 0; |
39a98554 | 2578 | while (!list_empty(&clist_local)) { |
da0dc9fb | 2579 | reset_cmd = list_entry((&clist_local)->next, |
39a98554 | 2580 | struct megasas_cmd, list); |
2581 | list_del_init(&reset_cmd->list); | |
2582 | if (reset_cmd->scmd) { | |
f55cf47d | 2583 | reset_cmd->scmd->result = DID_REQUEUE << 16; |
1be18254 | 2584 | dev_notice(&instance->pdev->dev, "%d:%p reset [%02x]\n", |
39a98554 | 2585 | reset_index, reset_cmd, |
5cd049a5 | 2586 | reset_cmd->scmd->cmnd[0]); |
39a98554 | 2587 | |
2588 | reset_cmd->scmd->scsi_done(reset_cmd->scmd); | |
2589 | megasas_return_cmd(instance, reset_cmd); | |
2590 | } else if (reset_cmd->sync_cmd) { | |
1be18254 | 2591 | dev_notice(&instance->pdev->dev, "%p synch cmds" |
39a98554 | 2592 | "reset queue\n", |
2593 | reset_cmd); | |
2594 | ||
2be2a988 | 2595 | reset_cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; |
39a98554 | 2596 | instance->instancet->fire_cmd(instance, |
2597 | reset_cmd->frame_phys_addr, | |
2598 | 0, instance->reg_set); | |
2599 | } else { | |
1be18254 | 2600 | dev_notice(&instance->pdev->dev, "%p unexpected" |
39a98554 | 2601 | "cmds lst\n", |
2602 | reset_cmd); | |
2603 | } | |
2604 | reset_index++; | |
2605 | } | |
2606 | ||
2607 | return SUCCESS; | |
2608 | } | |
c4a3e0a5 | 2609 | |
c007b8b2 | 2610 | for (i = 0; i < resetwaittime; i++) { |
ccc7507d | 2611 | outstanding = atomic_read(&instance->fw_outstanding); |
e4a082c7 SP |
2612 | |
2613 | if (!outstanding) | |
c4a3e0a5 BS |
2614 | break; |
2615 | ||
2616 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
1be18254 | 2617 | dev_notice(&instance->pdev->dev, "[%2d]waiting for %d " |
e4a082c7 | 2618 | "commands to complete\n",i,outstanding); |
7343eb65 | 2619 | /* |
2620 | * Call cmd completion routine. Cmd to be | |
2621 | * be completed directly without depending on isr. | |
2622 | */ | |
2623 | megasas_complete_cmd_dpc((unsigned long)instance); | |
c4a3e0a5 BS |
2624 | } |
2625 | ||
2626 | msleep(1000); | |
2627 | } | |
2628 | ||
707e09bd | 2629 | i = 0; |
ccc7507d SS |
2630 | outstanding = atomic_read(&instance->fw_outstanding); |
2631 | fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; | |
2632 | ||
2633 | if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL))) | |
2634 | goto no_outstanding; | |
2635 | ||
2636 | if (instance->disableOnlineCtrlReset) | |
2637 | goto kill_hba_and_failed; | |
707e09bd | 2638 | do { |
ccc7507d SS |
2639 | if ((fw_state == MFI_STATE_FAULT) || atomic_read(&instance->fw_outstanding)) { |
2640 | dev_info(&instance->pdev->dev, | |
2641 | "%s:%d waiting_for_outstanding: before issue OCR. FW state = 0x%x, oustanding 0x%x\n", | |
2642 | __func__, __LINE__, fw_state, atomic_read(&instance->fw_outstanding)); | |
2643 | if (i == 3) | |
2644 | goto kill_hba_and_failed; | |
707e09bd | 2645 | megasas_do_ocr(instance); |
707e09bd | 2646 | |
ccc7507d SS |
2647 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
2648 | dev_info(&instance->pdev->dev, "%s:%d OCR failed and HBA is killed.\n", | |
2649 | __func__, __LINE__); | |
2650 | return FAILED; | |
2651 | } | |
2652 | dev_info(&instance->pdev->dev, "%s:%d waiting_for_outstanding: after issue OCR.\n", | |
2653 | __func__, __LINE__); | |
2654 | ||
2655 | for (sl = 0; sl < 10; sl++) | |
2656 | msleep(500); | |
2657 | ||
2658 | outstanding = atomic_read(&instance->fw_outstanding); | |
2659 | ||
2660 | fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; | |
2661 | if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL))) | |
2662 | goto no_outstanding; | |
707e09bd YB |
2663 | } |
2664 | i++; | |
2665 | } while (i <= 3); | |
2666 | ||
ccc7507d | 2667 | no_outstanding: |
707e09bd | 2668 | |
ccc7507d SS |
2669 | dev_info(&instance->pdev->dev, "%s:%d no more pending commands remain after reset handling.\n", |
2670 | __func__, __LINE__); | |
2671 | return SUCCESS; | |
707e09bd | 2672 | |
ccc7507d | 2673 | kill_hba_and_failed: |
c4a3e0a5 | 2674 | |
ccc7507d SS |
2675 | /* Reset not supported, kill adapter */ |
2676 | dev_info(&instance->pdev->dev, "%s:%d killing adapter scsi%d" | |
2677 | " disableOnlineCtrlReset %d fw_outstanding %d \n", | |
2678 | __func__, __LINE__, instance->host->host_no, instance->disableOnlineCtrlReset, | |
2679 | atomic_read(&instance->fw_outstanding)); | |
2680 | megasas_dump_pending_frames(instance); | |
2681 | megaraid_sas_kill_hba(instance); | |
39a98554 | 2682 | |
ccc7507d | 2683 | return FAILED; |
c4a3e0a5 BS |
2684 | } |
2685 | ||
2686 | /** | |
2687 | * megasas_generic_reset - Generic reset routine | |
2688 | * @scmd: Mid-layer SCSI command | |
2689 | * | |
2690 | * This routine implements a generic reset handler for device, bus and host | |
2691 | * reset requests. Device, bus and host specific reset handlers can use this | |
2692 | * function after they do their specific tasks. | |
2693 | */ | |
2694 | static int megasas_generic_reset(struct scsi_cmnd *scmd) | |
2695 | { | |
2696 | int ret_val; | |
2697 | struct megasas_instance *instance; | |
2698 | ||
2699 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
2700 | ||
5cd049a5 CH |
2701 | scmd_printk(KERN_NOTICE, scmd, "megasas: RESET cmd=%x retries=%x\n", |
2702 | scmd->cmnd[0], scmd->retries); | |
c4a3e0a5 | 2703 | |
8a01a41d | 2704 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
1be18254 | 2705 | dev_err(&instance->pdev->dev, "cannot recover from previous reset failures\n"); |
c4a3e0a5 BS |
2706 | return FAILED; |
2707 | } | |
2708 | ||
c4a3e0a5 | 2709 | ret_val = megasas_wait_for_outstanding(instance); |
c4a3e0a5 | 2710 | if (ret_val == SUCCESS) |
1be18254 | 2711 | dev_notice(&instance->pdev->dev, "reset successful\n"); |
c4a3e0a5 | 2712 | else |
1be18254 | 2713 | dev_err(&instance->pdev->dev, "failed to do reset\n"); |
c4a3e0a5 | 2714 | |
c4a3e0a5 BS |
2715 | return ret_val; |
2716 | } | |
2717 | ||
05e9ebbe SP |
2718 | /** |
2719 | * megasas_reset_timer - quiesce the adapter if required | |
2720 | * @scmd: scsi cmnd | |
2721 | * | |
2722 | * Sets the FW busy flag and reduces the host->can_queue if the | |
2723 | * cmd has not been completed within the timeout period. | |
2724 | */ | |
2725 | static enum | |
242f9dcb | 2726 | blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) |
05e9ebbe | 2727 | { |
05e9ebbe SP |
2728 | struct megasas_instance *instance; |
2729 | unsigned long flags; | |
2730 | ||
2731 | if (time_after(jiffies, scmd->jiffies_at_alloc + | |
e3d178ca | 2732 | (scmd_timeout * 2) * HZ)) { |
242f9dcb | 2733 | return BLK_EH_NOT_HANDLED; |
05e9ebbe SP |
2734 | } |
2735 | ||
f575c5d3 | 2736 | instance = (struct megasas_instance *)scmd->device->host->hostdata; |
05e9ebbe SP |
2737 | if (!(instance->flag & MEGASAS_FW_BUSY)) { |
2738 | /* FW is busy, throttle IO */ | |
2739 | spin_lock_irqsave(instance->host->host_lock, flags); | |
2740 | ||
c5daa6a9 | 2741 | instance->host->can_queue = instance->throttlequeuedepth; |
05e9ebbe SP |
2742 | instance->last_time = jiffies; |
2743 | instance->flag |= MEGASAS_FW_BUSY; | |
2744 | ||
2745 | spin_unlock_irqrestore(instance->host->host_lock, flags); | |
2746 | } | |
242f9dcb | 2747 | return BLK_EH_RESET_TIMER; |
05e9ebbe SP |
2748 | } |
2749 | ||
def0eab3 S |
2750 | /** |
2751 | * megasas_dump_frame - This function will dump MPT/MFI frame | |
2752 | */ | |
2753 | static inline void | |
2754 | megasas_dump_frame(void *mpi_request, int sz) | |
2755 | { | |
2756 | int i; | |
2757 | __le32 *mfp = (__le32 *)mpi_request; | |
2758 | ||
2759 | printk(KERN_INFO "IO request frame:\n\t"); | |
40a4c2c3 | 2760 | for (i = 0; i < sz / sizeof(__le32); i++) { |
def0eab3 S |
2761 | if (i && ((i % 8) == 0)) |
2762 | printk("\n\t"); | |
2763 | printk("%08x ", le32_to_cpu(mfp[i])); | |
2764 | } | |
2765 | printk("\n"); | |
2766 | } | |
2767 | ||
c4a3e0a5 BS |
2768 | /** |
2769 | * megasas_reset_bus_host - Bus & host reset handler entry point | |
2770 | */ | |
2771 | static int megasas_reset_bus_host(struct scsi_cmnd *scmd) | |
2772 | { | |
2773 | int ret; | |
9c915a8c | 2774 | struct megasas_instance *instance; |
da0dc9fb | 2775 | |
9c915a8c | 2776 | instance = (struct megasas_instance *)scmd->device->host->hostdata; |
c4a3e0a5 | 2777 | |
def0eab3 S |
2778 | scmd_printk(KERN_INFO, scmd, |
2779 | "Controller reset is requested due to IO timeout\n" | |
2780 | "SCSI command pointer: (%p)\t SCSI host state: %d\t" | |
2781 | " SCSI host busy: %d\t FW outstanding: %d\n", | |
2782 | scmd, scmd->device->host->shost_state, | |
2783 | atomic_read((atomic_t *)&scmd->device->host->host_busy), | |
2784 | atomic_read(&instance->fw_outstanding)); | |
2785 | ||
c4a3e0a5 | 2786 | /* |
80682fa9 | 2787 | * First wait for all commands to complete |
c4a3e0a5 | 2788 | */ |
def0eab3 S |
2789 | if (instance->ctrl_context) { |
2790 | struct megasas_cmd_fusion *cmd; | |
2791 | cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr; | |
2792 | if (cmd) | |
2793 | megasas_dump_frame(cmd->io_request, | |
2794 | sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); | |
2795 | ret = megasas_reset_fusion(scmd->device->host, | |
2796 | SCSIIO_TIMEOUT_OCR); | |
2797 | } else | |
9c915a8c | 2798 | ret = megasas_generic_reset(scmd); |
c4a3e0a5 BS |
2799 | |
2800 | return ret; | |
2801 | } | |
2802 | ||
bd23d4ab SS |
2803 | /** |
2804 | * megasas_task_abort - Issues task abort request to firmware | |
2805 | * (supported only for fusion adapters) | |
2806 | * @scmd: SCSI command pointer | |
2807 | */ | |
2808 | static int megasas_task_abort(struct scsi_cmnd *scmd) | |
2809 | { | |
2810 | int ret; | |
2811 | struct megasas_instance *instance; | |
2812 | ||
2813 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
2814 | ||
2815 | if (instance->ctrl_context) | |
2816 | ret = megasas_task_abort_fusion(scmd); | |
2817 | else { | |
2818 | sdev_printk(KERN_NOTICE, scmd->device, "TASK ABORT not supported\n"); | |
2819 | ret = FAILED; | |
2820 | } | |
2821 | ||
2822 | return ret; | |
2823 | } | |
2824 | ||
2825 | /** | |
2826 | * megasas_reset_target: Issues target reset request to firmware | |
2827 | * (supported only for fusion adapters) | |
2828 | * @scmd: SCSI command pointer | |
2829 | */ | |
2830 | static int megasas_reset_target(struct scsi_cmnd *scmd) | |
2831 | { | |
2832 | int ret; | |
2833 | struct megasas_instance *instance; | |
2834 | ||
2835 | instance = (struct megasas_instance *)scmd->device->host->hostdata; | |
2836 | ||
2837 | if (instance->ctrl_context) | |
2838 | ret = megasas_reset_target_fusion(scmd); | |
2839 | else { | |
2840 | sdev_printk(KERN_NOTICE, scmd->device, "TARGET RESET not supported\n"); | |
2841 | ret = FAILED; | |
2842 | } | |
2843 | ||
2844 | return ret; | |
2845 | } | |
2846 | ||
cf62a0a5 SP |
2847 | /** |
2848 | * megasas_bios_param - Returns disk geometry for a disk | |
da0dc9fb | 2849 | * @sdev: device handle |
cf62a0a5 SP |
2850 | * @bdev: block device |
2851 | * @capacity: drive capacity | |
2852 | * @geom: geometry parameters | |
2853 | */ | |
2854 | static int | |
2855 | megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev, | |
2856 | sector_t capacity, int geom[]) | |
2857 | { | |
2858 | int heads; | |
2859 | int sectors; | |
2860 | sector_t cylinders; | |
2861 | unsigned long tmp; | |
da0dc9fb | 2862 | |
cf62a0a5 SP |
2863 | /* Default heads (64) & sectors (32) */ |
2864 | heads = 64; | |
2865 | sectors = 32; | |
2866 | ||
2867 | tmp = heads * sectors; | |
2868 | cylinders = capacity; | |
2869 | ||
2870 | sector_div(cylinders, tmp); | |
2871 | ||
2872 | /* | |
2873 | * Handle extended translation size for logical drives > 1Gb | |
2874 | */ | |
2875 | ||
2876 | if (capacity >= 0x200000) { | |
2877 | heads = 255; | |
2878 | sectors = 63; | |
2879 | tmp = heads*sectors; | |
2880 | cylinders = capacity; | |
2881 | sector_div(cylinders, tmp); | |
2882 | } | |
2883 | ||
2884 | geom[0] = heads; | |
2885 | geom[1] = sectors; | |
2886 | geom[2] = cylinders; | |
2887 | ||
2888 | return 0; | |
2889 | } | |
2890 | ||
7e8a75f4 YB |
2891 | static void megasas_aen_polling(struct work_struct *work); |
2892 | ||
c4a3e0a5 BS |
2893 | /** |
2894 | * megasas_service_aen - Processes an event notification | |
2895 | * @instance: Adapter soft state | |
2896 | * @cmd: AEN command completed by the ISR | |
2897 | * | |
2898 | * For AEN, driver sends a command down to FW that is held by the FW till an | |
2899 | * event occurs. When an event of interest occurs, FW completes the command | |
2900 | * that it was previously holding. | |
2901 | * | |
2902 | * This routines sends SIGIO signal to processes that have registered with the | |
2903 | * driver for AEN. | |
2904 | */ | |
2905 | static void | |
2906 | megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) | |
2907 | { | |
c3518837 | 2908 | unsigned long flags; |
da0dc9fb | 2909 | |
c4a3e0a5 BS |
2910 | /* |
2911 | * Don't signal app if it is just an aborted previously registered aen | |
2912 | */ | |
c3518837 YB |
2913 | if ((!cmd->abort_aen) && (instance->unload == 0)) { |
2914 | spin_lock_irqsave(&poll_aen_lock, flags); | |
2915 | megasas_poll_wait_aen = 1; | |
2916 | spin_unlock_irqrestore(&poll_aen_lock, flags); | |
2917 | wake_up(&megasas_poll_wait); | |
c4a3e0a5 | 2918 | kill_fasync(&megasas_async_queue, SIGIO, POLL_IN); |
c3518837 | 2919 | } |
c4a3e0a5 BS |
2920 | else |
2921 | cmd->abort_aen = 0; | |
2922 | ||
2923 | instance->aen_cmd = NULL; | |
90dc9d98 | 2924 | |
4026e9aa | 2925 | megasas_return_cmd(instance, cmd); |
7e8a75f4 | 2926 | |
39a98554 | 2927 | if ((instance->unload == 0) && |
2928 | ((instance->issuepend_done == 1))) { | |
7e8a75f4 | 2929 | struct megasas_aen_event *ev; |
da0dc9fb | 2930 | |
7e8a75f4 YB |
2931 | ev = kzalloc(sizeof(*ev), GFP_ATOMIC); |
2932 | if (!ev) { | |
1be18254 | 2933 | dev_err(&instance->pdev->dev, "megasas_service_aen: out of memory\n"); |
7e8a75f4 YB |
2934 | } else { |
2935 | ev->instance = instance; | |
2936 | instance->ev = ev; | |
c1d390d8 XF |
2937 | INIT_DELAYED_WORK(&ev->hotplug_work, |
2938 | megasas_aen_polling); | |
2939 | schedule_delayed_work(&ev->hotplug_work, 0); | |
7e8a75f4 YB |
2940 | } |
2941 | } | |
c4a3e0a5 BS |
2942 | } |
2943 | ||
fc62b3fc SS |
2944 | static ssize_t |
2945 | megasas_fw_crash_buffer_store(struct device *cdev, | |
2946 | struct device_attribute *attr, const char *buf, size_t count) | |
2947 | { | |
2948 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2949 | struct megasas_instance *instance = | |
2950 | (struct megasas_instance *) shost->hostdata; | |
2951 | int val = 0; | |
2952 | unsigned long flags; | |
2953 | ||
2954 | if (kstrtoint(buf, 0, &val) != 0) | |
2955 | return -EINVAL; | |
2956 | ||
2957 | spin_lock_irqsave(&instance->crashdump_lock, flags); | |
2958 | instance->fw_crash_buffer_offset = val; | |
2959 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2960 | return strlen(buf); | |
2961 | } | |
2962 | ||
2963 | static ssize_t | |
2964 | megasas_fw_crash_buffer_show(struct device *cdev, | |
2965 | struct device_attribute *attr, char *buf) | |
2966 | { | |
2967 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2968 | struct megasas_instance *instance = | |
2969 | (struct megasas_instance *) shost->hostdata; | |
2970 | u32 size; | |
2971 | unsigned long buff_addr; | |
2972 | unsigned long dmachunk = CRASH_DMA_BUF_SIZE; | |
2973 | unsigned long src_addr; | |
2974 | unsigned long flags; | |
2975 | u32 buff_offset; | |
2976 | ||
2977 | spin_lock_irqsave(&instance->crashdump_lock, flags); | |
2978 | buff_offset = instance->fw_crash_buffer_offset; | |
2979 | if (!instance->crash_dump_buf && | |
2980 | !((instance->fw_crash_state == AVAILABLE) || | |
2981 | (instance->fw_crash_state == COPYING))) { | |
2982 | dev_err(&instance->pdev->dev, | |
2983 | "Firmware crash dump is not available\n"); | |
2984 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2985 | return -EINVAL; | |
2986 | } | |
2987 | ||
2988 | buff_addr = (unsigned long) buf; | |
2989 | ||
da0dc9fb | 2990 | if (buff_offset > (instance->fw_crash_buffer_size * dmachunk)) { |
fc62b3fc SS |
2991 | dev_err(&instance->pdev->dev, |
2992 | "Firmware crash dump offset is out of range\n"); | |
2993 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
2994 | return 0; | |
2995 | } | |
2996 | ||
2997 | size = (instance->fw_crash_buffer_size * dmachunk) - buff_offset; | |
2998 | size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size; | |
2999 | ||
3000 | src_addr = (unsigned long)instance->crash_buf[buff_offset / dmachunk] + | |
3001 | (buff_offset % dmachunk); | |
da0dc9fb | 3002 | memcpy(buf, (void *)src_addr, size); |
fc62b3fc SS |
3003 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); |
3004 | ||
3005 | return size; | |
3006 | } | |
3007 | ||
3008 | static ssize_t | |
3009 | megasas_fw_crash_buffer_size_show(struct device *cdev, | |
3010 | struct device_attribute *attr, char *buf) | |
3011 | { | |
3012 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3013 | struct megasas_instance *instance = | |
3014 | (struct megasas_instance *) shost->hostdata; | |
3015 | ||
3016 | return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long) | |
3017 | ((instance->fw_crash_buffer_size) * 1024 * 1024)/PAGE_SIZE); | |
3018 | } | |
3019 | ||
3020 | static ssize_t | |
3021 | megasas_fw_crash_state_store(struct device *cdev, | |
3022 | struct device_attribute *attr, const char *buf, size_t count) | |
3023 | { | |
3024 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3025 | struct megasas_instance *instance = | |
3026 | (struct megasas_instance *) shost->hostdata; | |
3027 | int val = 0; | |
3028 | unsigned long flags; | |
3029 | ||
3030 | if (kstrtoint(buf, 0, &val) != 0) | |
3031 | return -EINVAL; | |
3032 | ||
3033 | if ((val <= AVAILABLE || val > COPY_ERROR)) { | |
3034 | dev_err(&instance->pdev->dev, "application updates invalid " | |
3035 | "firmware crash state\n"); | |
3036 | return -EINVAL; | |
3037 | } | |
3038 | ||
3039 | instance->fw_crash_state = val; | |
3040 | ||
3041 | if ((val == COPIED) || (val == COPY_ERROR)) { | |
3042 | spin_lock_irqsave(&instance->crashdump_lock, flags); | |
3043 | megasas_free_host_crash_buffer(instance); | |
3044 | spin_unlock_irqrestore(&instance->crashdump_lock, flags); | |
3045 | if (val == COPY_ERROR) | |
3046 | dev_info(&instance->pdev->dev, "application failed to " | |
3047 | "copy Firmware crash dump\n"); | |
3048 | else | |
3049 | dev_info(&instance->pdev->dev, "Firmware crash dump " | |
3050 | "copied successfully\n"); | |
3051 | } | |
3052 | return strlen(buf); | |
3053 | } | |
3054 | ||
3055 | static ssize_t | |
3056 | megasas_fw_crash_state_show(struct device *cdev, | |
3057 | struct device_attribute *attr, char *buf) | |
3058 | { | |
3059 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3060 | struct megasas_instance *instance = | |
3061 | (struct megasas_instance *) shost->hostdata; | |
da0dc9fb | 3062 | |
fc62b3fc SS |
3063 | return snprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state); |
3064 | } | |
3065 | ||
3066 | static ssize_t | |
3067 | megasas_page_size_show(struct device *cdev, | |
3068 | struct device_attribute *attr, char *buf) | |
3069 | { | |
3070 | return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE - 1); | |
3071 | } | |
3072 | ||
308ec459 SS |
3073 | static ssize_t |
3074 | megasas_ldio_outstanding_show(struct device *cdev, struct device_attribute *attr, | |
3075 | char *buf) | |
3076 | { | |
3077 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3078 | struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; | |
3079 | ||
3080 | return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->ldio_outstanding)); | |
3081 | } | |
3082 | ||
fc62b3fc SS |
3083 | static DEVICE_ATTR(fw_crash_buffer, S_IRUGO | S_IWUSR, |
3084 | megasas_fw_crash_buffer_show, megasas_fw_crash_buffer_store); | |
3085 | static DEVICE_ATTR(fw_crash_buffer_size, S_IRUGO, | |
3086 | megasas_fw_crash_buffer_size_show, NULL); | |
3087 | static DEVICE_ATTR(fw_crash_state, S_IRUGO | S_IWUSR, | |
3088 | megasas_fw_crash_state_show, megasas_fw_crash_state_store); | |
3089 | static DEVICE_ATTR(page_size, S_IRUGO, | |
3090 | megasas_page_size_show, NULL); | |
308ec459 SS |
3091 | static DEVICE_ATTR(ldio_outstanding, S_IRUGO, |
3092 | megasas_ldio_outstanding_show, NULL); | |
fc62b3fc SS |
3093 | |
3094 | struct device_attribute *megaraid_host_attrs[] = { | |
3095 | &dev_attr_fw_crash_buffer_size, | |
3096 | &dev_attr_fw_crash_buffer, | |
3097 | &dev_attr_fw_crash_state, | |
3098 | &dev_attr_page_size, | |
308ec459 | 3099 | &dev_attr_ldio_outstanding, |
fc62b3fc SS |
3100 | NULL, |
3101 | }; | |
3102 | ||
c4a3e0a5 BS |
3103 | /* |
3104 | * Scsi host template for megaraid_sas driver | |
3105 | */ | |
3106 | static struct scsi_host_template megasas_template = { | |
3107 | ||
3108 | .module = THIS_MODULE, | |
43cd7fe4 | 3109 | .name = "Avago SAS based MegaRAID driver", |
c4a3e0a5 | 3110 | .proc_name = "megaraid_sas", |
147aab6a | 3111 | .slave_configure = megasas_slave_configure, |
044833b5 | 3112 | .slave_alloc = megasas_slave_alloc, |
18365b13 | 3113 | .slave_destroy = megasas_slave_destroy, |
c4a3e0a5 | 3114 | .queuecommand = megasas_queue_command, |
bd23d4ab SS |
3115 | .eh_target_reset_handler = megasas_reset_target, |
3116 | .eh_abort_handler = megasas_task_abort, | |
c4a3e0a5 | 3117 | .eh_host_reset_handler = megasas_reset_bus_host, |
05e9ebbe | 3118 | .eh_timed_out = megasas_reset_timer, |
fc62b3fc | 3119 | .shost_attrs = megaraid_host_attrs, |
cf62a0a5 | 3120 | .bios_param = megasas_bios_param, |
c4a3e0a5 | 3121 | .use_clustering = ENABLE_CLUSTERING, |
db5ed4df | 3122 | .change_queue_depth = scsi_change_queue_depth, |
54b2b50c | 3123 | .no_write_same = 1, |
c4a3e0a5 BS |
3124 | }; |
3125 | ||
3126 | /** | |
3127 | * megasas_complete_int_cmd - Completes an internal command | |
3128 | * @instance: Adapter soft state | |
3129 | * @cmd: Command to be completed | |
3130 | * | |
3131 | * The megasas_issue_blocked_cmd() function waits for a command to complete | |
3132 | * after it issues a command. This function wakes up that waiting routine by | |
3133 | * calling wake_up() on the wait queue. | |
3134 | */ | |
3135 | static void | |
3136 | megasas_complete_int_cmd(struct megasas_instance *instance, | |
3137 | struct megasas_cmd *cmd) | |
3138 | { | |
2be2a988 | 3139 | cmd->cmd_status_drv = cmd->frame->io.cmd_status; |
c4a3e0a5 BS |
3140 | wake_up(&instance->int_cmd_wait_q); |
3141 | } | |
3142 | ||
3143 | /** | |
3144 | * megasas_complete_abort - Completes aborting a command | |
3145 | * @instance: Adapter soft state | |
3146 | * @cmd: Cmd that was issued to abort another cmd | |
3147 | * | |
0d49016b AR |
3148 | * The megasas_issue_blocked_abort_cmd() function waits on abort_cmd_wait_q |
3149 | * after it issues an abort on a previously issued command. This function | |
c4a3e0a5 BS |
3150 | * wakes up all functions waiting on the same wait queue. |
3151 | */ | |
3152 | static void | |
3153 | megasas_complete_abort(struct megasas_instance *instance, | |
3154 | struct megasas_cmd *cmd) | |
3155 | { | |
3156 | if (cmd->sync_cmd) { | |
3157 | cmd->sync_cmd = 0; | |
2be2a988 | 3158 | cmd->cmd_status_drv = 0; |
c4a3e0a5 BS |
3159 | wake_up(&instance->abort_cmd_wait_q); |
3160 | } | |
c4a3e0a5 BS |
3161 | } |
3162 | ||
c4a3e0a5 BS |
3163 | /** |
3164 | * megasas_complete_cmd - Completes a command | |
3165 | * @instance: Adapter soft state | |
3166 | * @cmd: Command to be completed | |
0d49016b | 3167 | * @alt_status: If non-zero, use this value as status to |
da0dc9fb BH |
3168 | * SCSI mid-layer instead of the value returned |
3169 | * by the FW. This should be used if caller wants | |
3170 | * an alternate status (as in the case of aborted | |
3171 | * commands) | |
c4a3e0a5 | 3172 | */ |
9c915a8c | 3173 | void |
c4a3e0a5 BS |
3174 | megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, |
3175 | u8 alt_status) | |
3176 | { | |
3177 | int exception = 0; | |
3178 | struct megasas_header *hdr = &cmd->frame->hdr; | |
c3518837 | 3179 | unsigned long flags; |
9c915a8c | 3180 | struct fusion_context *fusion = instance->ctrl_context; |
3761cb4c | 3181 | u32 opcode, status; |
c4a3e0a5 | 3182 | |
39a98554 | 3183 | /* flag for the retry reset */ |
3184 | cmd->retry_for_fw_reset = 0; | |
3185 | ||
05e9ebbe SP |
3186 | if (cmd->scmd) |
3187 | cmd->scmd->SCp.ptr = NULL; | |
c4a3e0a5 BS |
3188 | |
3189 | switch (hdr->cmd) { | |
e5f93a36 AR |
3190 | case MFI_CMD_INVALID: |
3191 | /* Some older 1068 controller FW may keep a pended | |
3192 | MR_DCMD_CTRL_EVENT_GET_INFO left over from the main kernel | |
3193 | when booting the kdump kernel. Ignore this command to | |
3194 | prevent a kernel panic on shutdown of the kdump kernel. */ | |
1be18254 BH |
3195 | dev_warn(&instance->pdev->dev, "MFI_CMD_INVALID command " |
3196 | "completed\n"); | |
3197 | dev_warn(&instance->pdev->dev, "If you have a controller " | |
3198 | "other than PERC5, please upgrade your firmware\n"); | |
e5f93a36 | 3199 | break; |
c4a3e0a5 BS |
3200 | case MFI_CMD_PD_SCSI_IO: |
3201 | case MFI_CMD_LD_SCSI_IO: | |
3202 | ||
3203 | /* | |
3204 | * MFI_CMD_PD_SCSI_IO and MFI_CMD_LD_SCSI_IO could have been | |
3205 | * issued either through an IO path or an IOCTL path. If it | |
3206 | * was via IOCTL, we will send it to internal completion. | |
3207 | */ | |
3208 | if (cmd->sync_cmd) { | |
3209 | cmd->sync_cmd = 0; | |
3210 | megasas_complete_int_cmd(instance, cmd); | |
3211 | break; | |
3212 | } | |
3213 | ||
c4a3e0a5 BS |
3214 | case MFI_CMD_LD_READ: |
3215 | case MFI_CMD_LD_WRITE: | |
3216 | ||
3217 | if (alt_status) { | |
3218 | cmd->scmd->result = alt_status << 16; | |
3219 | exception = 1; | |
3220 | } | |
3221 | ||
3222 | if (exception) { | |
3223 | ||
e4a082c7 | 3224 | atomic_dec(&instance->fw_outstanding); |
c4a3e0a5 | 3225 | |
155d98f0 | 3226 | scsi_dma_unmap(cmd->scmd); |
c4a3e0a5 BS |
3227 | cmd->scmd->scsi_done(cmd->scmd); |
3228 | megasas_return_cmd(instance, cmd); | |
3229 | ||
3230 | break; | |
3231 | } | |
3232 | ||
3233 | switch (hdr->cmd_status) { | |
3234 | ||
3235 | case MFI_STAT_OK: | |
3236 | cmd->scmd->result = DID_OK << 16; | |
3237 | break; | |
3238 | ||
3239 | case MFI_STAT_SCSI_IO_FAILED: | |
3240 | case MFI_STAT_LD_INIT_IN_PROGRESS: | |
3241 | cmd->scmd->result = | |
3242 | (DID_ERROR << 16) | hdr->scsi_status; | |
3243 | break; | |
3244 | ||
3245 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
3246 | ||
3247 | cmd->scmd->result = (DID_OK << 16) | hdr->scsi_status; | |
3248 | ||
3249 | if (hdr->scsi_status == SAM_STAT_CHECK_CONDITION) { | |
3250 | memset(cmd->scmd->sense_buffer, 0, | |
3251 | SCSI_SENSE_BUFFERSIZE); | |
3252 | memcpy(cmd->scmd->sense_buffer, cmd->sense, | |
3253 | hdr->sense_len); | |
3254 | ||
3255 | cmd->scmd->result |= DRIVER_SENSE << 24; | |
3256 | } | |
3257 | ||
3258 | break; | |
3259 | ||
3260 | case MFI_STAT_LD_OFFLINE: | |
3261 | case MFI_STAT_DEVICE_NOT_FOUND: | |
3262 | cmd->scmd->result = DID_BAD_TARGET << 16; | |
3263 | break; | |
3264 | ||
3265 | default: | |
1be18254 | 3266 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "MFI FW status %#x\n", |
c4a3e0a5 BS |
3267 | hdr->cmd_status); |
3268 | cmd->scmd->result = DID_ERROR << 16; | |
3269 | break; | |
3270 | } | |
3271 | ||
e4a082c7 | 3272 | atomic_dec(&instance->fw_outstanding); |
c4a3e0a5 | 3273 | |
155d98f0 | 3274 | scsi_dma_unmap(cmd->scmd); |
c4a3e0a5 BS |
3275 | cmd->scmd->scsi_done(cmd->scmd); |
3276 | megasas_return_cmd(instance, cmd); | |
3277 | ||
3278 | break; | |
3279 | ||
3280 | case MFI_CMD_SMP: | |
3281 | case MFI_CMD_STP: | |
3282 | case MFI_CMD_DCMD: | |
94cd65dd | 3283 | opcode = le32_to_cpu(cmd->frame->dcmd.opcode); |
9c915a8c | 3284 | /* Check for LD map update */ |
94cd65dd SS |
3285 | if ((opcode == MR_DCMD_LD_MAP_GET_INFO) |
3286 | && (cmd->frame->dcmd.mbox.b[1] == 1)) { | |
bc93d425 | 3287 | fusion->fast_path_io = 0; |
9c915a8c | 3288 | spin_lock_irqsave(instance->host->host_lock, flags); |
3761cb4c | 3289 | instance->map_update_cmd = NULL; |
9c915a8c AR |
3290 | if (cmd->frame->hdr.cmd_status != 0) { |
3291 | if (cmd->frame->hdr.cmd_status != | |
3292 | MFI_STAT_NOT_FOUND) | |
1be18254 | 3293 | dev_warn(&instance->pdev->dev, "map syncfailed, status = 0x%x\n", |
9c915a8c AR |
3294 | cmd->frame->hdr.cmd_status); |
3295 | else { | |
4026e9aa | 3296 | megasas_return_cmd(instance, cmd); |
9c915a8c AR |
3297 | spin_unlock_irqrestore( |
3298 | instance->host->host_lock, | |
3299 | flags); | |
3300 | break; | |
3301 | } | |
3302 | } else | |
3303 | instance->map_id++; | |
4026e9aa | 3304 | megasas_return_cmd(instance, cmd); |
bc93d425 SS |
3305 | |
3306 | /* | |
3307 | * Set fast path IO to ZERO. | |
3308 | * Validate Map will set proper value. | |
3309 | * Meanwhile all IOs will go as LD IO. | |
3310 | */ | |
3311 | if (MR_ValidateMapInfo(instance)) | |
9c915a8c AR |
3312 | fusion->fast_path_io = 1; |
3313 | else | |
3314 | fusion->fast_path_io = 0; | |
3315 | megasas_sync_map_info(instance); | |
3316 | spin_unlock_irqrestore(instance->host->host_lock, | |
3317 | flags); | |
3318 | break; | |
3319 | } | |
94cd65dd SS |
3320 | if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO || |
3321 | opcode == MR_DCMD_CTRL_EVENT_GET) { | |
c3518837 YB |
3322 | spin_lock_irqsave(&poll_aen_lock, flags); |
3323 | megasas_poll_wait_aen = 0; | |
3324 | spin_unlock_irqrestore(&poll_aen_lock, flags); | |
3325 | } | |
c4a3e0a5 | 3326 | |
3761cb4c | 3327 | /* FW has an updated PD sequence */ |
3328 | if ((opcode == MR_DCMD_SYSTEM_PD_MAP_GET_INFO) && | |
3329 | (cmd->frame->dcmd.mbox.b[0] == 1)) { | |
3330 | ||
3331 | spin_lock_irqsave(instance->host->host_lock, flags); | |
3332 | status = cmd->frame->hdr.cmd_status; | |
3333 | instance->jbod_seq_cmd = NULL; | |
3334 | megasas_return_cmd(instance, cmd); | |
3335 | ||
3336 | if (status == MFI_STAT_OK) { | |
3337 | instance->pd_seq_map_id++; | |
3338 | /* Re-register a pd sync seq num cmd */ | |
3339 | if (megasas_sync_pd_seq_num(instance, true)) | |
3340 | instance->use_seqnum_jbod_fp = false; | |
3341 | } else | |
3342 | instance->use_seqnum_jbod_fp = false; | |
3343 | ||
3344 | spin_unlock_irqrestore(instance->host->host_lock, flags); | |
3345 | break; | |
3346 | } | |
3347 | ||
c4a3e0a5 BS |
3348 | /* |
3349 | * See if got an event notification | |
3350 | */ | |
94cd65dd | 3351 | if (opcode == MR_DCMD_CTRL_EVENT_WAIT) |
c4a3e0a5 BS |
3352 | megasas_service_aen(instance, cmd); |
3353 | else | |
3354 | megasas_complete_int_cmd(instance, cmd); | |
3355 | ||
3356 | break; | |
3357 | ||
3358 | case MFI_CMD_ABORT: | |
3359 | /* | |
3360 | * Cmd issued to abort another cmd returned | |
3361 | */ | |
3362 | megasas_complete_abort(instance, cmd); | |
3363 | break; | |
3364 | ||
3365 | default: | |
1be18254 | 3366 | dev_info(&instance->pdev->dev, "Unknown command completed! [0x%X]\n", |
c4a3e0a5 BS |
3367 | hdr->cmd); |
3368 | break; | |
3369 | } | |
3370 | } | |
3371 | ||
39a98554 | 3372 | /** |
3373 | * megasas_issue_pending_cmds_again - issue all pending cmds | |
da0dc9fb | 3374 | * in FW again because of the fw reset |
39a98554 | 3375 | * @instance: Adapter soft state |
3376 | */ | |
3377 | static inline void | |
3378 | megasas_issue_pending_cmds_again(struct megasas_instance *instance) | |
3379 | { | |
3380 | struct megasas_cmd *cmd; | |
3381 | struct list_head clist_local; | |
3382 | union megasas_evt_class_locale class_locale; | |
3383 | unsigned long flags; | |
3384 | u32 seq_num; | |
3385 | ||
3386 | INIT_LIST_HEAD(&clist_local); | |
3387 | spin_lock_irqsave(&instance->hba_lock, flags); | |
3388 | list_splice_init(&instance->internal_reset_pending_q, &clist_local); | |
3389 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
3390 | ||
3391 | while (!list_empty(&clist_local)) { | |
da0dc9fb | 3392 | cmd = list_entry((&clist_local)->next, |
39a98554 | 3393 | struct megasas_cmd, list); |
3394 | list_del_init(&cmd->list); | |
3395 | ||
3396 | if (cmd->sync_cmd || cmd->scmd) { | |
1be18254 BH |
3397 | dev_notice(&instance->pdev->dev, "command %p, %p:%d" |
3398 | "detected to be pending while HBA reset\n", | |
39a98554 | 3399 | cmd, cmd->scmd, cmd->sync_cmd); |
3400 | ||
3401 | cmd->retry_for_fw_reset++; | |
3402 | ||
3403 | if (cmd->retry_for_fw_reset == 3) { | |
1be18254 | 3404 | dev_notice(&instance->pdev->dev, "cmd %p, %p:%d" |
39a98554 | 3405 | "was tried multiple times during reset." |
3406 | "Shutting down the HBA\n", | |
3407 | cmd, cmd->scmd, cmd->sync_cmd); | |
c8dd61ef SS |
3408 | instance->instancet->disable_intr(instance); |
3409 | atomic_set(&instance->fw_reset_no_pci_access, 1); | |
39a98554 | 3410 | megaraid_sas_kill_hba(instance); |
39a98554 | 3411 | return; |
3412 | } | |
3413 | } | |
3414 | ||
3415 | if (cmd->sync_cmd == 1) { | |
3416 | if (cmd->scmd) { | |
1be18254 | 3417 | dev_notice(&instance->pdev->dev, "unexpected" |
39a98554 | 3418 | "cmd attached to internal command!\n"); |
3419 | } | |
1be18254 | 3420 | dev_notice(&instance->pdev->dev, "%p synchronous cmd" |
39a98554 | 3421 | "on the internal reset queue," |
3422 | "issue it again.\n", cmd); | |
2be2a988 | 3423 | cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; |
39a98554 | 3424 | instance->instancet->fire_cmd(instance, |
da0dc9fb | 3425 | cmd->frame_phys_addr, |
39a98554 | 3426 | 0, instance->reg_set); |
3427 | } else if (cmd->scmd) { | |
1be18254 | 3428 | dev_notice(&instance->pdev->dev, "%p scsi cmd [%02x]" |
39a98554 | 3429 | "detected on the internal queue, issue again.\n", |
5cd049a5 | 3430 | cmd, cmd->scmd->cmnd[0]); |
39a98554 | 3431 | |
3432 | atomic_inc(&instance->fw_outstanding); | |
3433 | instance->instancet->fire_cmd(instance, | |
3434 | cmd->frame_phys_addr, | |
3435 | cmd->frame_count-1, instance->reg_set); | |
3436 | } else { | |
1be18254 | 3437 | dev_notice(&instance->pdev->dev, "%p unexpected cmd on the" |
39a98554 | 3438 | "internal reset defer list while re-issue!!\n", |
3439 | cmd); | |
3440 | } | |
3441 | } | |
3442 | ||
3443 | if (instance->aen_cmd) { | |
1be18254 | 3444 | dev_notice(&instance->pdev->dev, "aen_cmd in def process\n"); |
39a98554 | 3445 | megasas_return_cmd(instance, instance->aen_cmd); |
3446 | ||
da0dc9fb | 3447 | instance->aen_cmd = NULL; |
39a98554 | 3448 | } |
3449 | ||
3450 | /* | |
da0dc9fb BH |
3451 | * Initiate AEN (Asynchronous Event Notification) |
3452 | */ | |
39a98554 | 3453 | seq_num = instance->last_seq_num; |
3454 | class_locale.members.reserved = 0; | |
3455 | class_locale.members.locale = MR_EVT_LOCALE_ALL; | |
3456 | class_locale.members.class = MR_EVT_CLASS_DEBUG; | |
3457 | ||
3458 | megasas_register_aen(instance, seq_num, class_locale.word); | |
3459 | } | |
3460 | ||
3461 | /** | |
3462 | * Move the internal reset pending commands to a deferred queue. | |
3463 | * | |
3464 | * We move the commands pending at internal reset time to a | |
3465 | * pending queue. This queue would be flushed after successful | |
3466 | * completion of the internal reset sequence. if the internal reset | |
3467 | * did not complete in time, the kernel reset handler would flush | |
3468 | * these commands. | |
3469 | **/ | |
3470 | static void | |
3471 | megasas_internal_reset_defer_cmds(struct megasas_instance *instance) | |
3472 | { | |
3473 | struct megasas_cmd *cmd; | |
3474 | int i; | |
50b7f5a2 | 3475 | u16 max_cmd = instance->max_fw_cmds; |
39a98554 | 3476 | u32 defer_index; |
3477 | unsigned long flags; | |
3478 | ||
da0dc9fb | 3479 | defer_index = 0; |
90dc9d98 | 3480 | spin_lock_irqsave(&instance->mfi_pool_lock, flags); |
39a98554 | 3481 | for (i = 0; i < max_cmd; i++) { |
3482 | cmd = instance->cmd_list[i]; | |
3483 | if (cmd->sync_cmd == 1 || cmd->scmd) { | |
1be18254 | 3484 | dev_notice(&instance->pdev->dev, "moving cmd[%d]:%p:%d:%p" |
39a98554 | 3485 | "on the defer queue as internal\n", |
3486 | defer_index, cmd, cmd->sync_cmd, cmd->scmd); | |
3487 | ||
3488 | if (!list_empty(&cmd->list)) { | |
1be18254 | 3489 | dev_notice(&instance->pdev->dev, "ERROR while" |
39a98554 | 3490 | " moving this cmd:%p, %d %p, it was" |
3491 | "discovered on some list?\n", | |
3492 | cmd, cmd->sync_cmd, cmd->scmd); | |
3493 | ||
3494 | list_del_init(&cmd->list); | |
3495 | } | |
3496 | defer_index++; | |
3497 | list_add_tail(&cmd->list, | |
3498 | &instance->internal_reset_pending_q); | |
3499 | } | |
3500 | } | |
90dc9d98 | 3501 | spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); |
39a98554 | 3502 | } |
3503 | ||
3504 | ||
3505 | static void | |
3506 | process_fw_state_change_wq(struct work_struct *work) | |
3507 | { | |
3508 | struct megasas_instance *instance = | |
3509 | container_of(work, struct megasas_instance, work_init); | |
3510 | u32 wait; | |
3511 | unsigned long flags; | |
3512 | ||
8a01a41d | 3513 | if (atomic_read(&instance->adprecovery) != MEGASAS_ADPRESET_SM_INFAULT) { |
1be18254 | 3514 | dev_notice(&instance->pdev->dev, "error, recovery st %x\n", |
8a01a41d | 3515 | atomic_read(&instance->adprecovery)); |
39a98554 | 3516 | return ; |
3517 | } | |
3518 | ||
8a01a41d | 3519 | if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { |
1be18254 | 3520 | dev_notice(&instance->pdev->dev, "FW detected to be in fault" |
39a98554 | 3521 | "state, restarting it...\n"); |
3522 | ||
d46a3ad6 | 3523 | instance->instancet->disable_intr(instance); |
39a98554 | 3524 | atomic_set(&instance->fw_outstanding, 0); |
3525 | ||
3526 | atomic_set(&instance->fw_reset_no_pci_access, 1); | |
3527 | instance->instancet->adp_reset(instance, instance->reg_set); | |
da0dc9fb | 3528 | atomic_set(&instance->fw_reset_no_pci_access, 0); |
39a98554 | 3529 | |
1be18254 | 3530 | dev_notice(&instance->pdev->dev, "FW restarted successfully," |
39a98554 | 3531 | "initiating next stage...\n"); |
3532 | ||
1be18254 | 3533 | dev_notice(&instance->pdev->dev, "HBA recovery state machine," |
39a98554 | 3534 | "state 2 starting...\n"); |
3535 | ||
da0dc9fb | 3536 | /* waiting for about 20 second before start the second init */ |
39a98554 | 3537 | for (wait = 0; wait < 30; wait++) { |
3538 | msleep(1000); | |
3539 | } | |
3540 | ||
058a8fac | 3541 | if (megasas_transition_to_ready(instance, 1)) { |
1be18254 | 3542 | dev_notice(&instance->pdev->dev, "adapter not ready\n"); |
39a98554 | 3543 | |
c8dd61ef | 3544 | atomic_set(&instance->fw_reset_no_pci_access, 1); |
39a98554 | 3545 | megaraid_sas_kill_hba(instance); |
39a98554 | 3546 | return ; |
3547 | } | |
3548 | ||
3549 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) || | |
3550 | (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) || | |
3551 | (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR) | |
3552 | ) { | |
3553 | *instance->consumer = *instance->producer; | |
3554 | } else { | |
3555 | *instance->consumer = 0; | |
3556 | *instance->producer = 0; | |
3557 | } | |
3558 | ||
3559 | megasas_issue_init_mfi(instance); | |
3560 | ||
3561 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 3562 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
39a98554 | 3563 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
d46a3ad6 | 3564 | instance->instancet->enable_intr(instance); |
39a98554 | 3565 | |
3566 | megasas_issue_pending_cmds_again(instance); | |
3567 | instance->issuepend_done = 1; | |
3568 | } | |
39a98554 | 3569 | } |
3570 | ||
c4a3e0a5 BS |
3571 | /** |
3572 | * megasas_deplete_reply_queue - Processes all completed commands | |
3573 | * @instance: Adapter soft state | |
3574 | * @alt_status: Alternate status to be returned to | |
da0dc9fb BH |
3575 | * SCSI mid-layer instead of the status |
3576 | * returned by the FW | |
39a98554 | 3577 | * Note: this must be called with hba lock held |
c4a3e0a5 | 3578 | */ |
858119e1 | 3579 | static int |
39a98554 | 3580 | megasas_deplete_reply_queue(struct megasas_instance *instance, |
3581 | u8 alt_status) | |
c4a3e0a5 | 3582 | { |
39a98554 | 3583 | u32 mfiStatus; |
3584 | u32 fw_state; | |
3585 | ||
3586 | if ((mfiStatus = instance->instancet->check_reset(instance, | |
3587 | instance->reg_set)) == 1) { | |
3588 | return IRQ_HANDLED; | |
3589 | } | |
3590 | ||
3591 | if ((mfiStatus = instance->instancet->clear_intr( | |
3592 | instance->reg_set) | |
3593 | ) == 0) { | |
e1419191 | 3594 | /* Hardware may not set outbound_intr_status in MSI-X mode */ |
c8e858fe | 3595 | if (!instance->msix_vectors) |
e1419191 | 3596 | return IRQ_NONE; |
39a98554 | 3597 | } |
3598 | ||
3599 | instance->mfiStatus = mfiStatus; | |
3600 | ||
3601 | if ((mfiStatus & MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE)) { | |
3602 | fw_state = instance->instancet->read_fw_status_reg( | |
3603 | instance->reg_set) & MFI_STATE_MASK; | |
3604 | ||
3605 | if (fw_state != MFI_STATE_FAULT) { | |
1be18254 | 3606 | dev_notice(&instance->pdev->dev, "fw state:%x\n", |
39a98554 | 3607 | fw_state); |
3608 | } | |
3609 | ||
3610 | if ((fw_state == MFI_STATE_FAULT) && | |
3611 | (instance->disableOnlineCtrlReset == 0)) { | |
1be18254 | 3612 | dev_notice(&instance->pdev->dev, "wait adp restart\n"); |
39a98554 | 3613 | |
3614 | if ((instance->pdev->device == | |
3615 | PCI_DEVICE_ID_LSI_SAS1064R) || | |
3616 | (instance->pdev->device == | |
3617 | PCI_DEVICE_ID_DELL_PERC5) || | |
3618 | (instance->pdev->device == | |
3619 | PCI_DEVICE_ID_LSI_VERDE_ZCR)) { | |
3620 | ||
3621 | *instance->consumer = | |
94cd65dd | 3622 | cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); |
39a98554 | 3623 | } |
3624 | ||
3625 | ||
d46a3ad6 | 3626 | instance->instancet->disable_intr(instance); |
8a01a41d | 3627 | atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); |
39a98554 | 3628 | instance->issuepend_done = 0; |
3629 | ||
3630 | atomic_set(&instance->fw_outstanding, 0); | |
3631 | megasas_internal_reset_defer_cmds(instance); | |
3632 | ||
1be18254 | 3633 | dev_notice(&instance->pdev->dev, "fwState=%x, stage:%d\n", |
8a01a41d | 3634 | fw_state, atomic_read(&instance->adprecovery)); |
39a98554 | 3635 | |
3636 | schedule_work(&instance->work_init); | |
3637 | return IRQ_HANDLED; | |
3638 | ||
3639 | } else { | |
1be18254 | 3640 | dev_notice(&instance->pdev->dev, "fwstate:%x, dis_OCR=%x\n", |
39a98554 | 3641 | fw_state, instance->disableOnlineCtrlReset); |
3642 | } | |
3643 | } | |
c4a3e0a5 | 3644 | |
5d018ad0 | 3645 | tasklet_schedule(&instance->isr_tasklet); |
c4a3e0a5 BS |
3646 | return IRQ_HANDLED; |
3647 | } | |
c4a3e0a5 BS |
3648 | /** |
3649 | * megasas_isr - isr entry point | |
3650 | */ | |
7d12e780 | 3651 | static irqreturn_t megasas_isr(int irq, void *devp) |
c4a3e0a5 | 3652 | { |
c8e858fe AR |
3653 | struct megasas_irq_context *irq_context = devp; |
3654 | struct megasas_instance *instance = irq_context->instance; | |
39a98554 | 3655 | unsigned long flags; |
da0dc9fb | 3656 | irqreturn_t rc; |
39a98554 | 3657 | |
c8e858fe | 3658 | if (atomic_read(&instance->fw_reset_no_pci_access)) |
39a98554 | 3659 | return IRQ_HANDLED; |
3660 | ||
39a98554 | 3661 | spin_lock_irqsave(&instance->hba_lock, flags); |
da0dc9fb | 3662 | rc = megasas_deplete_reply_queue(instance, DID_OK); |
39a98554 | 3663 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
3664 | ||
3665 | return rc; | |
c4a3e0a5 BS |
3666 | } |
3667 | ||
3668 | /** | |
3669 | * megasas_transition_to_ready - Move the FW to READY state | |
1341c939 | 3670 | * @instance: Adapter soft state |
c4a3e0a5 BS |
3671 | * |
3672 | * During the initialization, FW passes can potentially be in any one of | |
3673 | * several possible states. If the FW in operational, waiting-for-handshake | |
3674 | * states, driver must take steps to bring it to ready state. Otherwise, it | |
3675 | * has to wait for the ready state. | |
3676 | */ | |
9c915a8c | 3677 | int |
058a8fac | 3678 | megasas_transition_to_ready(struct megasas_instance *instance, int ocr) |
c4a3e0a5 BS |
3679 | { |
3680 | int i; | |
3681 | u8 max_wait; | |
3682 | u32 fw_state; | |
3683 | u32 cur_state; | |
7218df69 | 3684 | u32 abs_state, curr_abs_state; |
c4a3e0a5 | 3685 | |
bc6ac5e8 TH |
3686 | abs_state = instance->instancet->read_fw_status_reg(instance->reg_set); |
3687 | fw_state = abs_state & MFI_STATE_MASK; | |
c4a3e0a5 | 3688 | |
e3bbff9f | 3689 | if (fw_state != MFI_STATE_READY) |
1be18254 | 3690 | dev_info(&instance->pdev->dev, "Waiting for FW to come to ready" |
0d49016b | 3691 | " state\n"); |
e3bbff9f | 3692 | |
c4a3e0a5 BS |
3693 | while (fw_state != MFI_STATE_READY) { |
3694 | ||
c4a3e0a5 BS |
3695 | switch (fw_state) { |
3696 | ||
3697 | case MFI_STATE_FAULT: | |
1be18254 | 3698 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "FW in FAULT state!!\n"); |
058a8fac AR |
3699 | if (ocr) { |
3700 | max_wait = MEGASAS_RESET_WAIT_TIME; | |
3701 | cur_state = MFI_STATE_FAULT; | |
3702 | break; | |
3703 | } else | |
3704 | return -ENODEV; | |
c4a3e0a5 BS |
3705 | |
3706 | case MFI_STATE_WAIT_HANDSHAKE: | |
3707 | /* | |
3708 | * Set the CLR bit in inbound doorbell | |
3709 | */ | |
0c79e681 | 3710 | if ((instance->pdev->device == |
87911122 YB |
3711 | PCI_DEVICE_ID_LSI_SAS0073SKINNY) || |
3712 | (instance->pdev->device == | |
9c915a8c | 3713 | PCI_DEVICE_ID_LSI_SAS0071SKINNY) || |
5a8cb85b | 3714 | (instance->ctrl_context)) |
87911122 YB |
3715 | writel( |
3716 | MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, | |
9c915a8c | 3717 | &instance->reg_set->doorbell); |
5a8cb85b | 3718 | else |
87911122 YB |
3719 | writel( |
3720 | MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, | |
3721 | &instance->reg_set->inbound_doorbell); | |
c4a3e0a5 | 3722 | |
7218df69 | 3723 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3724 | cur_state = MFI_STATE_WAIT_HANDSHAKE; |
3725 | break; | |
3726 | ||
e3bbff9f | 3727 | case MFI_STATE_BOOT_MESSAGE_PENDING: |
87911122 | 3728 | if ((instance->pdev->device == |
9c915a8c AR |
3729 | PCI_DEVICE_ID_LSI_SAS0073SKINNY) || |
3730 | (instance->pdev->device == | |
3731 | PCI_DEVICE_ID_LSI_SAS0071SKINNY) || | |
5a8cb85b | 3732 | (instance->ctrl_context)) |
87911122 | 3733 | writel(MFI_INIT_HOTPLUG, |
9c915a8c | 3734 | &instance->reg_set->doorbell); |
5a8cb85b | 3735 | else |
87911122 YB |
3736 | writel(MFI_INIT_HOTPLUG, |
3737 | &instance->reg_set->inbound_doorbell); | |
e3bbff9f | 3738 | |
7218df69 | 3739 | max_wait = MEGASAS_RESET_WAIT_TIME; |
e3bbff9f SP |
3740 | cur_state = MFI_STATE_BOOT_MESSAGE_PENDING; |
3741 | break; | |
3742 | ||
c4a3e0a5 BS |
3743 | case MFI_STATE_OPERATIONAL: |
3744 | /* | |
e3bbff9f | 3745 | * Bring it to READY state; assuming max wait 10 secs |
c4a3e0a5 | 3746 | */ |
d46a3ad6 | 3747 | instance->instancet->disable_intr(instance); |
87911122 YB |
3748 | if ((instance->pdev->device == |
3749 | PCI_DEVICE_ID_LSI_SAS0073SKINNY) || | |
3750 | (instance->pdev->device == | |
9c915a8c | 3751 | PCI_DEVICE_ID_LSI_SAS0071SKINNY) || |
5a8cb85b | 3752 | (instance->ctrl_context)) { |
87911122 | 3753 | writel(MFI_RESET_FLAGS, |
9c915a8c | 3754 | &instance->reg_set->doorbell); |
5a8cb85b | 3755 | |
3756 | if (instance->ctrl_context) { | |
9c915a8c AR |
3757 | for (i = 0; i < (10 * 1000); i += 20) { |
3758 | if (readl( | |
3759 | &instance-> | |
3760 | reg_set-> | |
3761 | doorbell) & 1) | |
3762 | msleep(20); | |
3763 | else | |
3764 | break; | |
3765 | } | |
3766 | } | |
87911122 YB |
3767 | } else |
3768 | writel(MFI_RESET_FLAGS, | |
3769 | &instance->reg_set->inbound_doorbell); | |
c4a3e0a5 | 3770 | |
7218df69 | 3771 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3772 | cur_state = MFI_STATE_OPERATIONAL; |
3773 | break; | |
3774 | ||
3775 | case MFI_STATE_UNDEFINED: | |
3776 | /* | |
3777 | * This state should not last for more than 2 seconds | |
3778 | */ | |
7218df69 | 3779 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3780 | cur_state = MFI_STATE_UNDEFINED; |
3781 | break; | |
3782 | ||
3783 | case MFI_STATE_BB_INIT: | |
7218df69 | 3784 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3785 | cur_state = MFI_STATE_BB_INIT; |
3786 | break; | |
3787 | ||
3788 | case MFI_STATE_FW_INIT: | |
7218df69 | 3789 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3790 | cur_state = MFI_STATE_FW_INIT; |
3791 | break; | |
3792 | ||
3793 | case MFI_STATE_FW_INIT_2: | |
7218df69 | 3794 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3795 | cur_state = MFI_STATE_FW_INIT_2; |
3796 | break; | |
3797 | ||
3798 | case MFI_STATE_DEVICE_SCAN: | |
7218df69 | 3799 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3800 | cur_state = MFI_STATE_DEVICE_SCAN; |
3801 | break; | |
3802 | ||
3803 | case MFI_STATE_FLUSH_CACHE: | |
7218df69 | 3804 | max_wait = MEGASAS_RESET_WAIT_TIME; |
c4a3e0a5 BS |
3805 | cur_state = MFI_STATE_FLUSH_CACHE; |
3806 | break; | |
3807 | ||
3808 | default: | |
1be18254 | 3809 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Unknown state 0x%x\n", |
c4a3e0a5 BS |
3810 | fw_state); |
3811 | return -ENODEV; | |
3812 | } | |
3813 | ||
3814 | /* | |
3815 | * The cur_state should not last for more than max_wait secs | |
3816 | */ | |
3817 | for (i = 0; i < (max_wait * 1000); i++) { | |
bc6ac5e8 TH |
3818 | curr_abs_state = instance->instancet-> |
3819 | read_fw_status_reg(instance->reg_set); | |
c4a3e0a5 | 3820 | |
7218df69 | 3821 | if (abs_state == curr_abs_state) { |
c4a3e0a5 BS |
3822 | msleep(1); |
3823 | } else | |
3824 | break; | |
3825 | } | |
3826 | ||
3827 | /* | |
3828 | * Return error if fw_state hasn't changed after max_wait | |
3829 | */ | |
7218df69 | 3830 | if (curr_abs_state == abs_state) { |
1be18254 | 3831 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "FW state [%d] hasn't changed " |
c4a3e0a5 BS |
3832 | "in %d secs\n", fw_state, max_wait); |
3833 | return -ENODEV; | |
3834 | } | |
bc6ac5e8 TH |
3835 | |
3836 | abs_state = curr_abs_state; | |
3837 | fw_state = curr_abs_state & MFI_STATE_MASK; | |
39a98554 | 3838 | } |
1be18254 | 3839 | dev_info(&instance->pdev->dev, "FW now in Ready state\n"); |
c4a3e0a5 BS |
3840 | |
3841 | return 0; | |
3842 | } | |
3843 | ||
3844 | /** | |
3845 | * megasas_teardown_frame_pool - Destroy the cmd frame DMA pool | |
3846 | * @instance: Adapter soft state | |
3847 | */ | |
3848 | static void megasas_teardown_frame_pool(struct megasas_instance *instance) | |
3849 | { | |
3850 | int i; | |
50b7f5a2 | 3851 | u16 max_cmd = instance->max_mfi_cmds; |
c4a3e0a5 BS |
3852 | struct megasas_cmd *cmd; |
3853 | ||
3854 | if (!instance->frame_dma_pool) | |
3855 | return; | |
3856 | ||
3857 | /* | |
3858 | * Return all frames to pool | |
3859 | */ | |
3860 | for (i = 0; i < max_cmd; i++) { | |
3861 | ||
3862 | cmd = instance->cmd_list[i]; | |
3863 | ||
3864 | if (cmd->frame) | |
3865 | pci_pool_free(instance->frame_dma_pool, cmd->frame, | |
3866 | cmd->frame_phys_addr); | |
3867 | ||
3868 | if (cmd->sense) | |
e3bbff9f | 3869 | pci_pool_free(instance->sense_dma_pool, cmd->sense, |
c4a3e0a5 BS |
3870 | cmd->sense_phys_addr); |
3871 | } | |
3872 | ||
3873 | /* | |
3874 | * Now destroy the pool itself | |
3875 | */ | |
3876 | pci_pool_destroy(instance->frame_dma_pool); | |
3877 | pci_pool_destroy(instance->sense_dma_pool); | |
3878 | ||
3879 | instance->frame_dma_pool = NULL; | |
3880 | instance->sense_dma_pool = NULL; | |
3881 | } | |
3882 | ||
3883 | /** | |
3884 | * megasas_create_frame_pool - Creates DMA pool for cmd frames | |
3885 | * @instance: Adapter soft state | |
3886 | * | |
3887 | * Each command packet has an embedded DMA memory buffer that is used for | |
3888 | * filling MFI frame and the SG list that immediately follows the frame. This | |
3889 | * function creates those DMA memory buffers for each command packet by using | |
3890 | * PCI pool facility. | |
3891 | */ | |
3892 | static int megasas_create_frame_pool(struct megasas_instance *instance) | |
3893 | { | |
3894 | int i; | |
50b7f5a2 | 3895 | u16 max_cmd; |
c4a3e0a5 | 3896 | u32 sge_sz; |
c4a3e0a5 BS |
3897 | u32 frame_count; |
3898 | struct megasas_cmd *cmd; | |
3899 | ||
9c915a8c | 3900 | max_cmd = instance->max_mfi_cmds; |
c4a3e0a5 BS |
3901 | |
3902 | /* | |
3903 | * Size of our frame is 64 bytes for MFI frame, followed by max SG | |
3904 | * elements and finally SCSI_SENSE_BUFFERSIZE bytes for sense buffer | |
3905 | */ | |
3906 | sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : | |
3907 | sizeof(struct megasas_sge32); | |
3908 | ||
da0dc9fb | 3909 | if (instance->flag_ieee) |
f4c9a131 | 3910 | sge_sz = sizeof(struct megasas_sge_skinny); |
f4c9a131 | 3911 | |
c4a3e0a5 | 3912 | /* |
200aed58 SS |
3913 | * For MFI controllers. |
3914 | * max_num_sge = 60 | |
3915 | * max_sge_sz = 16 byte (sizeof megasas_sge_skinny) | |
3916 | * Total 960 byte (15 MFI frame of 64 byte) | |
3917 | * | |
3918 | * Fusion adapter require only 3 extra frame. | |
3919 | * max_num_sge = 16 (defined as MAX_IOCTL_SGE) | |
3920 | * max_sge_sz = 12 byte (sizeof megasas_sge64) | |
3921 | * Total 192 byte (3 MFI frame of 64 byte) | |
c4a3e0a5 | 3922 | */ |
200aed58 | 3923 | frame_count = instance->ctrl_context ? (3 + 1) : (15 + 1); |
21c34006 | 3924 | instance->mfi_frame_size = MEGAMFI_FRAME_SIZE * frame_count; |
c4a3e0a5 BS |
3925 | /* |
3926 | * Use DMA pool facility provided by PCI layer | |
3927 | */ | |
3928 | instance->frame_dma_pool = pci_pool_create("megasas frame pool", | |
21c34006 S |
3929 | instance->pdev, instance->mfi_frame_size, |
3930 | 256, 0); | |
c4a3e0a5 BS |
3931 | |
3932 | if (!instance->frame_dma_pool) { | |
1be18254 | 3933 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup frame pool\n"); |
c4a3e0a5 BS |
3934 | return -ENOMEM; |
3935 | } | |
3936 | ||
3937 | instance->sense_dma_pool = pci_pool_create("megasas sense pool", | |
3938 | instance->pdev, 128, 4, 0); | |
3939 | ||
3940 | if (!instance->sense_dma_pool) { | |
1be18254 | 3941 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool\n"); |
c4a3e0a5 BS |
3942 | |
3943 | pci_pool_destroy(instance->frame_dma_pool); | |
3944 | instance->frame_dma_pool = NULL; | |
3945 | ||
3946 | return -ENOMEM; | |
3947 | } | |
3948 | ||
3949 | /* | |
3950 | * Allocate and attach a frame to each of the commands in cmd_list. | |
3951 | * By making cmd->index as the context instead of the &cmd, we can | |
3952 | * always use 32bit context regardless of the architecture | |
3953 | */ | |
3954 | for (i = 0; i < max_cmd; i++) { | |
3955 | ||
3956 | cmd = instance->cmd_list[i]; | |
3957 | ||
3958 | cmd->frame = pci_pool_alloc(instance->frame_dma_pool, | |
3959 | GFP_KERNEL, &cmd->frame_phys_addr); | |
3960 | ||
3961 | cmd->sense = pci_pool_alloc(instance->sense_dma_pool, | |
3962 | GFP_KERNEL, &cmd->sense_phys_addr); | |
3963 | ||
3964 | /* | |
3965 | * megasas_teardown_frame_pool() takes care of freeing | |
3966 | * whatever has been allocated | |
3967 | */ | |
3968 | if (!cmd->frame || !cmd->sense) { | |
1be18254 | 3969 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "pci_pool_alloc failed\n"); |
c4a3e0a5 BS |
3970 | megasas_teardown_frame_pool(instance); |
3971 | return -ENOMEM; | |
3972 | } | |
3973 | ||
21c34006 | 3974 | memset(cmd->frame, 0, instance->mfi_frame_size); |
94cd65dd | 3975 | cmd->frame->io.context = cpu_to_le32(cmd->index); |
7e8a75f4 | 3976 | cmd->frame->io.pad_0 = 0; |
5a8cb85b | 3977 | if (!instance->ctrl_context && reset_devices) |
e5f93a36 | 3978 | cmd->frame->hdr.cmd = MFI_CMD_INVALID; |
c4a3e0a5 BS |
3979 | } |
3980 | ||
3981 | return 0; | |
3982 | } | |
3983 | ||
3984 | /** | |
3985 | * megasas_free_cmds - Free all the cmds in the free cmd pool | |
3986 | * @instance: Adapter soft state | |
3987 | */ | |
9c915a8c | 3988 | void megasas_free_cmds(struct megasas_instance *instance) |
c4a3e0a5 BS |
3989 | { |
3990 | int i; | |
da0dc9fb | 3991 | |
c4a3e0a5 BS |
3992 | /* First free the MFI frame pool */ |
3993 | megasas_teardown_frame_pool(instance); | |
3994 | ||
3995 | /* Free all the commands in the cmd_list */ | |
9c915a8c AR |
3996 | for (i = 0; i < instance->max_mfi_cmds; i++) |
3997 | ||
c4a3e0a5 BS |
3998 | kfree(instance->cmd_list[i]); |
3999 | ||
4000 | /* Free the cmd_list buffer itself */ | |
4001 | kfree(instance->cmd_list); | |
4002 | instance->cmd_list = NULL; | |
4003 | ||
4004 | INIT_LIST_HEAD(&instance->cmd_pool); | |
4005 | } | |
4006 | ||
4007 | /** | |
4008 | * megasas_alloc_cmds - Allocates the command packets | |
4009 | * @instance: Adapter soft state | |
4010 | * | |
4011 | * Each command that is issued to the FW, whether IO commands from the OS or | |
4012 | * internal commands like IOCTLs, are wrapped in local data structure called | |
4013 | * megasas_cmd. The frame embedded in this megasas_cmd is actually issued to | |
4014 | * the FW. | |
4015 | * | |
4016 | * Each frame has a 32-bit field called context (tag). This context is used | |
4017 | * to get back the megasas_cmd from the frame when a frame gets completed in | |
4018 | * the ISR. Typically the address of the megasas_cmd itself would be used as | |
4019 | * the context. But we wanted to keep the differences between 32 and 64 bit | |
4020 | * systems to the mininum. We always use 32 bit integers for the context. In | |
4021 | * this driver, the 32 bit values are the indices into an array cmd_list. | |
4022 | * This array is used only to look up the megasas_cmd given the context. The | |
4023 | * free commands themselves are maintained in a linked list called cmd_pool. | |
4024 | */ | |
9c915a8c | 4025 | int megasas_alloc_cmds(struct megasas_instance *instance) |
c4a3e0a5 BS |
4026 | { |
4027 | int i; | |
4028 | int j; | |
50b7f5a2 | 4029 | u16 max_cmd; |
c4a3e0a5 | 4030 | struct megasas_cmd *cmd; |
90dc9d98 | 4031 | struct fusion_context *fusion; |
c4a3e0a5 | 4032 | |
90dc9d98 | 4033 | fusion = instance->ctrl_context; |
9c915a8c | 4034 | max_cmd = instance->max_mfi_cmds; |
c4a3e0a5 BS |
4035 | |
4036 | /* | |
4037 | * instance->cmd_list is an array of struct megasas_cmd pointers. | |
4038 | * Allocate the dynamic array first and then allocate individual | |
4039 | * commands. | |
4040 | */ | |
dd00cc48 | 4041 | instance->cmd_list = kcalloc(max_cmd, sizeof(struct megasas_cmd*), GFP_KERNEL); |
c4a3e0a5 BS |
4042 | |
4043 | if (!instance->cmd_list) { | |
1be18254 | 4044 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "out of memory\n"); |
c4a3e0a5 BS |
4045 | return -ENOMEM; |
4046 | } | |
4047 | ||
9c915a8c | 4048 | memset(instance->cmd_list, 0, sizeof(struct megasas_cmd *) *max_cmd); |
c4a3e0a5 BS |
4049 | |
4050 | for (i = 0; i < max_cmd; i++) { | |
4051 | instance->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd), | |
4052 | GFP_KERNEL); | |
4053 | ||
4054 | if (!instance->cmd_list[i]) { | |
4055 | ||
4056 | for (j = 0; j < i; j++) | |
4057 | kfree(instance->cmd_list[j]); | |
4058 | ||
4059 | kfree(instance->cmd_list); | |
4060 | instance->cmd_list = NULL; | |
4061 | ||
4062 | return -ENOMEM; | |
4063 | } | |
4064 | } | |
4065 | ||
c4a3e0a5 BS |
4066 | for (i = 0; i < max_cmd; i++) { |
4067 | cmd = instance->cmd_list[i]; | |
4068 | memset(cmd, 0, sizeof(struct megasas_cmd)); | |
4069 | cmd->index = i; | |
39a98554 | 4070 | cmd->scmd = NULL; |
c4a3e0a5 BS |
4071 | cmd->instance = instance; |
4072 | ||
4073 | list_add_tail(&cmd->list, &instance->cmd_pool); | |
4074 | } | |
4075 | ||
4076 | /* | |
4077 | * Create a frame pool and assign one frame to each cmd | |
4078 | */ | |
4079 | if (megasas_create_frame_pool(instance)) { | |
1be18254 | 4080 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error creating frame DMA pool\n"); |
c4a3e0a5 BS |
4081 | megasas_free_cmds(instance); |
4082 | } | |
4083 | ||
4084 | return 0; | |
4085 | } | |
4086 | ||
6d40afbc SS |
4087 | /* |
4088 | * dcmd_timeout_ocr_possible - Check if OCR is possible based on Driver/FW state. | |
4089 | * @instance: Adapter soft state | |
4090 | * | |
4091 | * Return 0 for only Fusion adapter, if driver load/unload is not in progress | |
4092 | * or FW is not under OCR. | |
4093 | */ | |
4094 | inline int | |
4095 | dcmd_timeout_ocr_possible(struct megasas_instance *instance) { | |
4096 | ||
4097 | if (!instance->ctrl_context) | |
4098 | return KILL_ADAPTER; | |
4099 | else if (instance->unload || | |
4100 | test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) | |
4101 | return IGNORE_TIMEOUT; | |
4102 | else | |
4103 | return INITIATE_OCR; | |
4104 | } | |
4105 | ||
15dd0381 S |
4106 | static void |
4107 | megasas_get_pd_info(struct megasas_instance *instance, struct scsi_device *sdev) | |
2216c305 SS |
4108 | { |
4109 | int ret; | |
4110 | struct megasas_cmd *cmd; | |
4111 | struct megasas_dcmd_frame *dcmd; | |
4112 | ||
15dd0381 S |
4113 | struct MR_PRIV_DEVICE *mr_device_priv_data; |
4114 | u16 device_id = 0; | |
4115 | ||
4116 | device_id = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id; | |
2216c305 SS |
4117 | cmd = megasas_get_cmd(instance); |
4118 | ||
4119 | if (!cmd) { | |
4120 | dev_err(&instance->pdev->dev, "Failed to get cmd %s\n", __func__); | |
15dd0381 | 4121 | return; |
2216c305 SS |
4122 | } |
4123 | ||
4124 | dcmd = &cmd->frame->dcmd; | |
4125 | ||
4126 | memset(instance->pd_info, 0, sizeof(*instance->pd_info)); | |
4127 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4128 | ||
4129 | dcmd->mbox.s[0] = cpu_to_le16(device_id); | |
4130 | dcmd->cmd = MFI_CMD_DCMD; | |
4131 | dcmd->cmd_status = 0xFF; | |
4132 | dcmd->sge_count = 1; | |
4133 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); | |
4134 | dcmd->timeout = 0; | |
4135 | dcmd->pad_0 = 0; | |
4136 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_PD_INFO)); | |
4137 | dcmd->opcode = cpu_to_le32(MR_DCMD_PD_GET_INFO); | |
4138 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->pd_info_h); | |
4139 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_PD_INFO)); | |
4140 | ||
4141 | if (instance->ctrl_context && !instance->mask_interrupts) | |
4142 | ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); | |
4143 | else | |
4144 | ret = megasas_issue_polled(instance, cmd); | |
4145 | ||
4146 | switch (ret) { | |
4147 | case DCMD_SUCCESS: | |
15dd0381 S |
4148 | mr_device_priv_data = sdev->hostdata; |
4149 | le16_to_cpus((u16 *)&instance->pd_info->state.ddf.pdType); | |
4150 | mr_device_priv_data->interface_type = | |
2216c305 SS |
4151 | instance->pd_info->state.ddf.pdType.intf; |
4152 | break; | |
4153 | ||
4154 | case DCMD_TIMEOUT: | |
4155 | ||
4156 | switch (dcmd_timeout_ocr_possible(instance)) { | |
4157 | case INITIATE_OCR: | |
4158 | cmd->flags |= DRV_DCMD_SKIP_REFIRE; | |
4159 | megasas_reset_fusion(instance->host, | |
4160 | MFI_IO_TIMEOUT_OCR); | |
4161 | break; | |
4162 | case KILL_ADAPTER: | |
4163 | megaraid_sas_kill_hba(instance); | |
4164 | break; | |
4165 | case IGNORE_TIMEOUT: | |
4166 | dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", | |
4167 | __func__, __LINE__); | |
4168 | break; | |
4169 | } | |
4170 | ||
4171 | break; | |
4172 | } | |
4173 | ||
4174 | if (ret != DCMD_TIMEOUT) | |
4175 | megasas_return_cmd(instance, cmd); | |
4176 | ||
15dd0381 | 4177 | return; |
2216c305 | 4178 | } |
81e403ce YB |
4179 | /* |
4180 | * megasas_get_pd_list_info - Returns FW's pd_list structure | |
4181 | * @instance: Adapter soft state | |
4182 | * @pd_list: pd_list structure | |
4183 | * | |
4184 | * Issues an internal command (DCMD) to get the FW's controller PD | |
4185 | * list structure. This information is mainly used to find out SYSTEM | |
4186 | * supported by the FW. | |
4187 | */ | |
4188 | static int | |
4189 | megasas_get_pd_list(struct megasas_instance *instance) | |
4190 | { | |
4191 | int ret = 0, pd_index = 0; | |
4192 | struct megasas_cmd *cmd; | |
4193 | struct megasas_dcmd_frame *dcmd; | |
4194 | struct MR_PD_LIST *ci; | |
4195 | struct MR_PD_ADDRESS *pd_addr; | |
4196 | dma_addr_t ci_h = 0; | |
4197 | ||
d9083160 SS |
4198 | if (instance->pd_list_not_supported) { |
4199 | dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY " | |
4200 | "not supported by firmware\n"); | |
4201 | return ret; | |
4202 | } | |
4203 | ||
81e403ce YB |
4204 | cmd = megasas_get_cmd(instance); |
4205 | ||
4206 | if (!cmd) { | |
1be18254 | 4207 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "(get_pd_list): Failed to get cmd\n"); |
81e403ce YB |
4208 | return -ENOMEM; |
4209 | } | |
4210 | ||
4211 | dcmd = &cmd->frame->dcmd; | |
4212 | ||
4213 | ci = pci_alloc_consistent(instance->pdev, | |
4214 | MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), &ci_h); | |
4215 | ||
4216 | if (!ci) { | |
1be18254 | 4217 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem for pd_list\n"); |
81e403ce YB |
4218 | megasas_return_cmd(instance, cmd); |
4219 | return -ENOMEM; | |
4220 | } | |
4221 | ||
4222 | memset(ci, 0, sizeof(*ci)); | |
4223 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4224 | ||
4225 | dcmd->mbox.b[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST; | |
4226 | dcmd->mbox.b[1] = 0; | |
4227 | dcmd->cmd = MFI_CMD_DCMD; | |
2be2a988 | 4228 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
81e403ce | 4229 | dcmd->sge_count = 1; |
94cd65dd | 4230 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
81e403ce | 4231 | dcmd->timeout = 0; |
780a3762 | 4232 | dcmd->pad_0 = 0; |
94cd65dd SS |
4233 | dcmd->data_xfer_len = cpu_to_le32(MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST)); |
4234 | dcmd->opcode = cpu_to_le32(MR_DCMD_PD_LIST_QUERY); | |
4235 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
4236 | dcmd->sgl.sge32[0].length = cpu_to_le32(MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST)); | |
81e403ce | 4237 | |
90dc9d98 SS |
4238 | if (instance->ctrl_context && !instance->mask_interrupts) |
4239 | ret = megasas_issue_blocked_cmd(instance, cmd, | |
6d40afbc | 4240 | MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
4241 | else |
4242 | ret = megasas_issue_polled(instance, cmd); | |
81e403ce | 4243 | |
6d40afbc SS |
4244 | switch (ret) { |
4245 | case DCMD_FAILED: | |
30845586 SS |
4246 | dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY " |
4247 | "failed/not supported by firmware\n"); | |
4248 | ||
4249 | if (instance->ctrl_context) | |
4250 | megaraid_sas_kill_hba(instance); | |
4251 | else | |
4252 | instance->pd_list_not_supported = 1; | |
6d40afbc SS |
4253 | break; |
4254 | case DCMD_TIMEOUT: | |
81e403ce | 4255 | |
6d40afbc SS |
4256 | switch (dcmd_timeout_ocr_possible(instance)) { |
4257 | case INITIATE_OCR: | |
4258 | cmd->flags |= DRV_DCMD_SKIP_REFIRE; | |
4259 | /* | |
4260 | * DCMD failed from AEN path. | |
4261 | * AEN path already hold reset_mutex to avoid PCI access | |
4262 | * while OCR is in progress. | |
4263 | */ | |
4264 | mutex_unlock(&instance->reset_mutex); | |
4265 | megasas_reset_fusion(instance->host, | |
4266 | MFI_IO_TIMEOUT_OCR); | |
4267 | mutex_lock(&instance->reset_mutex); | |
4268 | break; | |
4269 | case KILL_ADAPTER: | |
4270 | megaraid_sas_kill_hba(instance); | |
4271 | break; | |
4272 | case IGNORE_TIMEOUT: | |
4273 | dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d \n", | |
4274 | __func__, __LINE__); | |
4275 | break; | |
4276 | } | |
81e403ce | 4277 | |
6d40afbc SS |
4278 | break; |
4279 | ||
4280 | case DCMD_SUCCESS: | |
4281 | pd_addr = ci->addr; | |
4282 | ||
4283 | if ((le32_to_cpu(ci->count) > | |
4284 | (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) | |
4285 | break; | |
81e403ce | 4286 | |
999ece0a | 4287 | memset(instance->local_pd_list, 0, |
6d40afbc | 4288 | MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)); |
81e403ce | 4289 | |
94cd65dd | 4290 | for (pd_index = 0; pd_index < le32_to_cpu(ci->count); pd_index++) { |
999ece0a | 4291 | instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].tid = |
6d40afbc | 4292 | le16_to_cpu(pd_addr->deviceId); |
999ece0a | 4293 | instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveType = |
6d40afbc | 4294 | pd_addr->scsiDevType; |
999ece0a | 4295 | instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveState = |
6d40afbc | 4296 | MR_PD_STATE_SYSTEM; |
81e403ce YB |
4297 | pd_addr++; |
4298 | } | |
6d40afbc | 4299 | |
999ece0a SS |
4300 | memcpy(instance->pd_list, instance->local_pd_list, |
4301 | sizeof(instance->pd_list)); | |
6d40afbc SS |
4302 | break; |
4303 | ||
81e403ce YB |
4304 | } |
4305 | ||
4306 | pci_free_consistent(instance->pdev, | |
4307 | MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), | |
4308 | ci, ci_h); | |
90dc9d98 | 4309 | |
6d40afbc SS |
4310 | if (ret != DCMD_TIMEOUT) |
4311 | megasas_return_cmd(instance, cmd); | |
81e403ce YB |
4312 | |
4313 | return ret; | |
4314 | } | |
4315 | ||
bdc6fb8d YB |
4316 | /* |
4317 | * megasas_get_ld_list_info - Returns FW's ld_list structure | |
4318 | * @instance: Adapter soft state | |
4319 | * @ld_list: ld_list structure | |
4320 | * | |
4321 | * Issues an internal command (DCMD) to get the FW's controller PD | |
4322 | * list structure. This information is mainly used to find out SYSTEM | |
4323 | * supported by the FW. | |
4324 | */ | |
4325 | static int | |
4326 | megasas_get_ld_list(struct megasas_instance *instance) | |
4327 | { | |
4328 | int ret = 0, ld_index = 0, ids = 0; | |
4329 | struct megasas_cmd *cmd; | |
4330 | struct megasas_dcmd_frame *dcmd; | |
4331 | struct MR_LD_LIST *ci; | |
4332 | dma_addr_t ci_h = 0; | |
94cd65dd | 4333 | u32 ld_count; |
bdc6fb8d YB |
4334 | |
4335 | cmd = megasas_get_cmd(instance); | |
4336 | ||
4337 | if (!cmd) { | |
1be18254 | 4338 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_list: Failed to get cmd\n"); |
bdc6fb8d YB |
4339 | return -ENOMEM; |
4340 | } | |
4341 | ||
4342 | dcmd = &cmd->frame->dcmd; | |
4343 | ||
4344 | ci = pci_alloc_consistent(instance->pdev, | |
4345 | sizeof(struct MR_LD_LIST), | |
4346 | &ci_h); | |
4347 | ||
4348 | if (!ci) { | |
1be18254 | 4349 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem in get_ld_list\n"); |
bdc6fb8d YB |
4350 | megasas_return_cmd(instance, cmd); |
4351 | return -ENOMEM; | |
4352 | } | |
4353 | ||
4354 | memset(ci, 0, sizeof(*ci)); | |
4355 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4356 | ||
51087a86 SS |
4357 | if (instance->supportmax256vd) |
4358 | dcmd->mbox.b[0] = 1; | |
bdc6fb8d | 4359 | dcmd->cmd = MFI_CMD_DCMD; |
2be2a988 | 4360 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
bdc6fb8d | 4361 | dcmd->sge_count = 1; |
94cd65dd | 4362 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
bdc6fb8d | 4363 | dcmd->timeout = 0; |
94cd65dd SS |
4364 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_LIST)); |
4365 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_GET_LIST); | |
4366 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
4367 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_LD_LIST)); | |
bdc6fb8d YB |
4368 | dcmd->pad_0 = 0; |
4369 | ||
90dc9d98 SS |
4370 | if (instance->ctrl_context && !instance->mask_interrupts) |
4371 | ret = megasas_issue_blocked_cmd(instance, cmd, | |
6d40afbc | 4372 | MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
4373 | else |
4374 | ret = megasas_issue_polled(instance, cmd); | |
4375 | ||
94cd65dd SS |
4376 | ld_count = le32_to_cpu(ci->ldCount); |
4377 | ||
6d40afbc SS |
4378 | switch (ret) { |
4379 | case DCMD_FAILED: | |
4380 | megaraid_sas_kill_hba(instance); | |
4381 | break; | |
4382 | case DCMD_TIMEOUT: | |
4383 | ||
4384 | switch (dcmd_timeout_ocr_possible(instance)) { | |
4385 | case INITIATE_OCR: | |
4386 | cmd->flags |= DRV_DCMD_SKIP_REFIRE; | |
4387 | /* | |
4388 | * DCMD failed from AEN path. | |
4389 | * AEN path already hold reset_mutex to avoid PCI access | |
4390 | * while OCR is in progress. | |
4391 | */ | |
4392 | mutex_unlock(&instance->reset_mutex); | |
4393 | megasas_reset_fusion(instance->host, | |
4394 | MFI_IO_TIMEOUT_OCR); | |
4395 | mutex_lock(&instance->reset_mutex); | |
4396 | break; | |
4397 | case KILL_ADAPTER: | |
4398 | megaraid_sas_kill_hba(instance); | |
4399 | break; | |
4400 | case IGNORE_TIMEOUT: | |
4401 | dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", | |
4402 | __func__, __LINE__); | |
4403 | break; | |
4404 | } | |
4405 | ||
4406 | break; | |
4407 | ||
4408 | case DCMD_SUCCESS: | |
4409 | if (ld_count > instance->fw_supported_vd_count) | |
4410 | break; | |
bdc6fb8d | 4411 | |
51087a86 | 4412 | memset(instance->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT); |
bdc6fb8d | 4413 | |
94cd65dd | 4414 | for (ld_index = 0; ld_index < ld_count; ld_index++) { |
bdc6fb8d YB |
4415 | if (ci->ldList[ld_index].state != 0) { |
4416 | ids = ci->ldList[ld_index].ref.targetId; | |
6d40afbc | 4417 | instance->ld_ids[ids] = ci->ldList[ld_index].ref.targetId; |
bdc6fb8d YB |
4418 | } |
4419 | } | |
6d40afbc SS |
4420 | |
4421 | break; | |
bdc6fb8d YB |
4422 | } |
4423 | ||
6d40afbc SS |
4424 | pci_free_consistent(instance->pdev, sizeof(struct MR_LD_LIST), ci, ci_h); |
4425 | ||
4426 | if (ret != DCMD_TIMEOUT) | |
4427 | megasas_return_cmd(instance, cmd); | |
bdc6fb8d | 4428 | |
bdc6fb8d YB |
4429 | return ret; |
4430 | } | |
4431 | ||
21c9e160 AR |
4432 | /** |
4433 | * megasas_ld_list_query - Returns FW's ld_list structure | |
4434 | * @instance: Adapter soft state | |
4435 | * @ld_list: ld_list structure | |
4436 | * | |
4437 | * Issues an internal command (DCMD) to get the FW's controller PD | |
4438 | * list structure. This information is mainly used to find out SYSTEM | |
4439 | * supported by the FW. | |
4440 | */ | |
4441 | static int | |
4442 | megasas_ld_list_query(struct megasas_instance *instance, u8 query_type) | |
4443 | { | |
4444 | int ret = 0, ld_index = 0, ids = 0; | |
4445 | struct megasas_cmd *cmd; | |
4446 | struct megasas_dcmd_frame *dcmd; | |
4447 | struct MR_LD_TARGETID_LIST *ci; | |
4448 | dma_addr_t ci_h = 0; | |
94cd65dd | 4449 | u32 tgtid_count; |
21c9e160 AR |
4450 | |
4451 | cmd = megasas_get_cmd(instance); | |
4452 | ||
4453 | if (!cmd) { | |
1be18254 BH |
4454 | dev_warn(&instance->pdev->dev, |
4455 | "megasas_ld_list_query: Failed to get cmd\n"); | |
21c9e160 AR |
4456 | return -ENOMEM; |
4457 | } | |
4458 | ||
4459 | dcmd = &cmd->frame->dcmd; | |
4460 | ||
4461 | ci = pci_alloc_consistent(instance->pdev, | |
4462 | sizeof(struct MR_LD_TARGETID_LIST), &ci_h); | |
4463 | ||
4464 | if (!ci) { | |
1be18254 BH |
4465 | dev_warn(&instance->pdev->dev, |
4466 | "Failed to alloc mem for ld_list_query\n"); | |
21c9e160 AR |
4467 | megasas_return_cmd(instance, cmd); |
4468 | return -ENOMEM; | |
4469 | } | |
4470 | ||
4471 | memset(ci, 0, sizeof(*ci)); | |
4472 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4473 | ||
4474 | dcmd->mbox.b[0] = query_type; | |
51087a86 SS |
4475 | if (instance->supportmax256vd) |
4476 | dcmd->mbox.b[2] = 1; | |
21c9e160 AR |
4477 | |
4478 | dcmd->cmd = MFI_CMD_DCMD; | |
2be2a988 | 4479 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
21c9e160 | 4480 | dcmd->sge_count = 1; |
94cd65dd | 4481 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
21c9e160 | 4482 | dcmd->timeout = 0; |
94cd65dd SS |
4483 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_TARGETID_LIST)); |
4484 | dcmd->opcode = cpu_to_le32(MR_DCMD_LD_LIST_QUERY); | |
4485 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
4486 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_LD_TARGETID_LIST)); | |
21c9e160 AR |
4487 | dcmd->pad_0 = 0; |
4488 | ||
90dc9d98 | 4489 | if (instance->ctrl_context && !instance->mask_interrupts) |
6d40afbc | 4490 | ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
4491 | else |
4492 | ret = megasas_issue_polled(instance, cmd); | |
21c9e160 | 4493 | |
6d40afbc SS |
4494 | switch (ret) { |
4495 | case DCMD_FAILED: | |
4496 | dev_info(&instance->pdev->dev, | |
4497 | "DCMD not supported by firmware - %s %d\n", | |
4498 | __func__, __LINE__); | |
4499 | ret = megasas_get_ld_list(instance); | |
4500 | break; | |
4501 | case DCMD_TIMEOUT: | |
4502 | switch (dcmd_timeout_ocr_possible(instance)) { | |
4503 | case INITIATE_OCR: | |
4504 | cmd->flags |= DRV_DCMD_SKIP_REFIRE; | |
4505 | /* | |
4506 | * DCMD failed from AEN path. | |
4507 | * AEN path already hold reset_mutex to avoid PCI access | |
4508 | * while OCR is in progress. | |
4509 | */ | |
4510 | mutex_unlock(&instance->reset_mutex); | |
4511 | megasas_reset_fusion(instance->host, | |
4512 | MFI_IO_TIMEOUT_OCR); | |
4513 | mutex_lock(&instance->reset_mutex); | |
4514 | break; | |
4515 | case KILL_ADAPTER: | |
4516 | megaraid_sas_kill_hba(instance); | |
4517 | break; | |
4518 | case IGNORE_TIMEOUT: | |
4519 | dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", | |
4520 | __func__, __LINE__); | |
4521 | break; | |
4522 | } | |
4523 | ||
4524 | break; | |
4525 | case DCMD_SUCCESS: | |
4526 | tgtid_count = le32_to_cpu(ci->count); | |
4527 | ||
4528 | if ((tgtid_count > (instance->fw_supported_vd_count))) | |
4529 | break; | |
94cd65dd | 4530 | |
21c9e160 | 4531 | memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); |
94cd65dd | 4532 | for (ld_index = 0; ld_index < tgtid_count; ld_index++) { |
21c9e160 AR |
4533 | ids = ci->targetId[ld_index]; |
4534 | instance->ld_ids[ids] = ci->targetId[ld_index]; | |
4535 | } | |
4536 | ||
6d40afbc | 4537 | break; |
21c9e160 AR |
4538 | } |
4539 | ||
4540 | pci_free_consistent(instance->pdev, sizeof(struct MR_LD_TARGETID_LIST), | |
6d40afbc | 4541 | ci, ci_h); |
21c9e160 | 4542 | |
6d40afbc SS |
4543 | if (ret != DCMD_TIMEOUT) |
4544 | megasas_return_cmd(instance, cmd); | |
21c9e160 AR |
4545 | |
4546 | return ret; | |
4547 | } | |
4548 | ||
d009b576 SS |
4549 | /* |
4550 | * megasas_update_ext_vd_details : Update details w.r.t Extended VD | |
4551 | * instance : Controller's instance | |
4552 | */ | |
4553 | static void megasas_update_ext_vd_details(struct megasas_instance *instance) | |
4554 | { | |
4555 | struct fusion_context *fusion; | |
d889344e | 4556 | u32 ventura_map_sz = 0; |
d009b576 SS |
4557 | |
4558 | fusion = instance->ctrl_context; | |
4559 | /* For MFI based controllers return dummy success */ | |
4560 | if (!fusion) | |
4561 | return; | |
4562 | ||
4563 | instance->supportmax256vd = | |
4564 | instance->ctrl_info->adapterOperations3.supportMaxExtLDs; | |
4565 | /* Below is additional check to address future FW enhancement */ | |
4566 | if (instance->ctrl_info->max_lds > 64) | |
4567 | instance->supportmax256vd = 1; | |
4568 | ||
4569 | instance->drv_supported_vd_count = MEGASAS_MAX_LD_CHANNELS | |
4570 | * MEGASAS_MAX_DEV_PER_CHANNEL; | |
4571 | instance->drv_supported_pd_count = MEGASAS_MAX_PD_CHANNELS | |
4572 | * MEGASAS_MAX_DEV_PER_CHANNEL; | |
4573 | if (instance->supportmax256vd) { | |
4574 | instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES_EXT; | |
4575 | instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES; | |
4576 | } else { | |
4577 | instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES; | |
4578 | instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES; | |
4579 | } | |
d88da09a SS |
4580 | |
4581 | dev_info(&instance->pdev->dev, | |
4582 | "firmware type\t: %s\n", | |
4583 | instance->supportmax256vd ? "Extended VD(240 VD)firmware" : | |
4584 | "Legacy(64 VD) firmware"); | |
d009b576 | 4585 | |
d889344e SC |
4586 | if (instance->max_raid_mapsize) { |
4587 | ventura_map_sz = instance->max_raid_mapsize * | |
4588 | MR_MIN_MAP_SIZE; /* 64k */ | |
4589 | fusion->current_map_sz = ventura_map_sz; | |
4590 | fusion->max_map_sz = ventura_map_sz; | |
4591 | } else { | |
4592 | fusion->old_map_sz = sizeof(struct MR_FW_RAID_MAP) + | |
4593 | (sizeof(struct MR_LD_SPAN_MAP) * | |
4594 | (instance->fw_supported_vd_count - 1)); | |
4595 | fusion->new_map_sz = sizeof(struct MR_FW_RAID_MAP_EXT); | |
d009b576 | 4596 | |
d889344e SC |
4597 | fusion->max_map_sz = |
4598 | max(fusion->old_map_sz, fusion->new_map_sz); | |
d009b576 | 4599 | |
d889344e SC |
4600 | if (instance->supportmax256vd) |
4601 | fusion->current_map_sz = fusion->new_map_sz; | |
4602 | else | |
4603 | fusion->current_map_sz = fusion->old_map_sz; | |
4604 | } | |
4605 | /* irrespective of FW raid maps, driver raid map is constant */ | |
4606 | fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP_ALL); | |
d009b576 SS |
4607 | } |
4608 | ||
c4a3e0a5 BS |
4609 | /** |
4610 | * megasas_get_controller_info - Returns FW's controller structure | |
4611 | * @instance: Adapter soft state | |
c4a3e0a5 BS |
4612 | * |
4613 | * Issues an internal command (DCMD) to get the FW's controller structure. | |
4614 | * This information is mainly used to find out the maximum IO transfer per | |
4615 | * command supported by the FW. | |
4616 | */ | |
51087a86 | 4617 | int |
d009b576 | 4618 | megasas_get_ctrl_info(struct megasas_instance *instance) |
c4a3e0a5 BS |
4619 | { |
4620 | int ret = 0; | |
4621 | struct megasas_cmd *cmd; | |
4622 | struct megasas_dcmd_frame *dcmd; | |
4623 | struct megasas_ctrl_info *ci; | |
d009b576 | 4624 | struct megasas_ctrl_info *ctrl_info; |
c4a3e0a5 BS |
4625 | dma_addr_t ci_h = 0; |
4626 | ||
d009b576 SS |
4627 | ctrl_info = instance->ctrl_info; |
4628 | ||
c4a3e0a5 BS |
4629 | cmd = megasas_get_cmd(instance); |
4630 | ||
4631 | if (!cmd) { | |
1be18254 | 4632 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get a free cmd\n"); |
c4a3e0a5 BS |
4633 | return -ENOMEM; |
4634 | } | |
4635 | ||
4636 | dcmd = &cmd->frame->dcmd; | |
4637 | ||
4638 | ci = pci_alloc_consistent(instance->pdev, | |
4639 | sizeof(struct megasas_ctrl_info), &ci_h); | |
4640 | ||
4641 | if (!ci) { | |
1be18254 | 4642 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem for ctrl info\n"); |
c4a3e0a5 BS |
4643 | megasas_return_cmd(instance, cmd); |
4644 | return -ENOMEM; | |
4645 | } | |
4646 | ||
4647 | memset(ci, 0, sizeof(*ci)); | |
4648 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4649 | ||
4650 | dcmd->cmd = MFI_CMD_DCMD; | |
2be2a988 | 4651 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
c4a3e0a5 | 4652 | dcmd->sge_count = 1; |
94cd65dd | 4653 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
c4a3e0a5 | 4654 | dcmd->timeout = 0; |
780a3762 | 4655 | dcmd->pad_0 = 0; |
94cd65dd SS |
4656 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_ctrl_info)); |
4657 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_GET_INFO); | |
4658 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h); | |
4659 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_ctrl_info)); | |
51087a86 | 4660 | dcmd->mbox.b[0] = 1; |
c4a3e0a5 | 4661 | |
90dc9d98 | 4662 | if (instance->ctrl_context && !instance->mask_interrupts) |
6d40afbc | 4663 | ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); |
90dc9d98 SS |
4664 | else |
4665 | ret = megasas_issue_polled(instance, cmd); | |
4666 | ||
6d40afbc SS |
4667 | switch (ret) { |
4668 | case DCMD_SUCCESS: | |
c4a3e0a5 | 4669 | memcpy(ctrl_info, ci, sizeof(struct megasas_ctrl_info)); |
6d40afbc SS |
4670 | /* Save required controller information in |
4671 | * CPU endianness format. | |
4672 | */ | |
d009b576 SS |
4673 | le32_to_cpus((u32 *)&ctrl_info->properties.OnOffProperties); |
4674 | le32_to_cpus((u32 *)&ctrl_info->adapterOperations2); | |
4675 | le32_to_cpus((u32 *)&ctrl_info->adapterOperations3); | |
ede7c3ce | 4676 | le16_to_cpus((u16 *)&ctrl_info->adapter_operations4); |
6d40afbc SS |
4677 | |
4678 | /* Update the latest Ext VD info. | |
4679 | * From Init path, store current firmware details. | |
4680 | * From OCR path, detect any firmware properties changes. | |
4681 | * in case of Firmware upgrade without system reboot. | |
4682 | */ | |
d009b576 | 4683 | megasas_update_ext_vd_details(instance); |
3761cb4c | 4684 | instance->use_seqnum_jbod_fp = |
4685 | ctrl_info->adapterOperations3.useSeqNumJbodFP; | |
ede7c3ce SC |
4686 | instance->support_morethan256jbod = |
4687 | ctrl_info->adapter_operations4.support_pd_map_target_id; | |
6d40afbc SS |
4688 | |
4689 | /*Check whether controller is iMR or MR */ | |
4026e9aa SS |
4690 | instance->is_imr = (ctrl_info->memory_size ? 0 : 1); |
4691 | dev_info(&instance->pdev->dev, | |
6d40afbc SS |
4692 | "controller type\t: %s(%dMB)\n", |
4693 | instance->is_imr ? "iMR" : "MR", | |
4694 | le16_to_cpu(ctrl_info->memory_size)); | |
4695 | ||
c4bd2654 | 4696 | instance->disableOnlineCtrlReset = |
4697 | ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset; | |
3222251d | 4698 | instance->secure_jbod_support = |
4699 | ctrl_info->adapterOperations3.supportSecurityonJBOD; | |
6d40afbc SS |
4700 | dev_info(&instance->pdev->dev, "Online Controller Reset(OCR)\t: %s\n", |
4701 | instance->disableOnlineCtrlReset ? "Disabled" : "Enabled"); | |
3222251d | 4702 | dev_info(&instance->pdev->dev, "Secure JBOD support\t: %s\n", |
4703 | instance->secure_jbod_support ? "Yes" : "No"); | |
6d40afbc SS |
4704 | break; |
4705 | ||
4706 | case DCMD_TIMEOUT: | |
4707 | switch (dcmd_timeout_ocr_possible(instance)) { | |
4708 | case INITIATE_OCR: | |
4709 | cmd->flags |= DRV_DCMD_SKIP_REFIRE; | |
4710 | megasas_reset_fusion(instance->host, | |
4711 | MFI_IO_TIMEOUT_OCR); | |
4712 | break; | |
4713 | case KILL_ADAPTER: | |
4714 | megaraid_sas_kill_hba(instance); | |
4715 | break; | |
4716 | case IGNORE_TIMEOUT: | |
4717 | dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", | |
4718 | __func__, __LINE__); | |
4719 | break; | |
4720 | } | |
4721 | case DCMD_FAILED: | |
4722 | megaraid_sas_kill_hba(instance); | |
4723 | break; | |
4724 | ||
d009b576 | 4725 | } |
c4a3e0a5 BS |
4726 | |
4727 | pci_free_consistent(instance->pdev, sizeof(struct megasas_ctrl_info), | |
4728 | ci, ci_h); | |
4729 | ||
4026e9aa | 4730 | megasas_return_cmd(instance, cmd); |
6d40afbc SS |
4731 | |
4732 | ||
c4a3e0a5 BS |
4733 | return ret; |
4734 | } | |
4735 | ||
fc62b3fc SS |
4736 | /* |
4737 | * megasas_set_crash_dump_params - Sends address of crash dump DMA buffer | |
4738 | * to firmware | |
4739 | * | |
4740 | * @instance: Adapter soft state | |
4741 | * @crash_buf_state - tell FW to turn ON/OFF crash dump feature | |
4742 | MR_CRASH_BUF_TURN_OFF = 0 | |
4743 | MR_CRASH_BUF_TURN_ON = 1 | |
4744 | * @return 0 on success non-zero on failure. | |
4745 | * Issues an internal command (DCMD) to set parameters for crash dump feature. | |
4746 | * Driver will send address of crash dump DMA buffer and set mbox to tell FW | |
4747 | * that driver supports crash dump feature. This DCMD will be sent only if | |
4748 | * crash dump feature is supported by the FW. | |
4749 | * | |
4750 | */ | |
4751 | int megasas_set_crash_dump_params(struct megasas_instance *instance, | |
4752 | u8 crash_buf_state) | |
4753 | { | |
4754 | int ret = 0; | |
4755 | struct megasas_cmd *cmd; | |
4756 | struct megasas_dcmd_frame *dcmd; | |
4757 | ||
4758 | cmd = megasas_get_cmd(instance); | |
4759 | ||
4760 | if (!cmd) { | |
4761 | dev_err(&instance->pdev->dev, "Failed to get a free cmd\n"); | |
4762 | return -ENOMEM; | |
4763 | } | |
4764 | ||
4765 | ||
4766 | dcmd = &cmd->frame->dcmd; | |
4767 | ||
4768 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
4769 | dcmd->mbox.b[0] = crash_buf_state; | |
4770 | dcmd->cmd = MFI_CMD_DCMD; | |
2be2a988 | 4771 | dcmd->cmd_status = MFI_STAT_INVALID_STATUS; |
fc62b3fc SS |
4772 | dcmd->sge_count = 1; |
4773 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); | |
4774 | dcmd->timeout = 0; | |
4775 | dcmd->pad_0 = 0; | |
4776 | dcmd->data_xfer_len = cpu_to_le32(CRASH_DMA_BUF_SIZE); | |
4777 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS); | |
4778 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->crash_dump_h); | |
4779 | dcmd->sgl.sge32[0].length = cpu_to_le32(CRASH_DMA_BUF_SIZE); | |
4780 | ||
90dc9d98 | 4781 | if (instance->ctrl_context && !instance->mask_interrupts) |
6d40afbc | 4782 | ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); |
fc62b3fc | 4783 | else |
90dc9d98 SS |
4784 | ret = megasas_issue_polled(instance, cmd); |
4785 | ||
6d40afbc SS |
4786 | if (ret == DCMD_TIMEOUT) { |
4787 | switch (dcmd_timeout_ocr_possible(instance)) { | |
4788 | case INITIATE_OCR: | |
4789 | cmd->flags |= DRV_DCMD_SKIP_REFIRE; | |
4790 | megasas_reset_fusion(instance->host, | |
4791 | MFI_IO_TIMEOUT_OCR); | |
4792 | break; | |
4793 | case KILL_ADAPTER: | |
4794 | megaraid_sas_kill_hba(instance); | |
4795 | break; | |
4796 | case IGNORE_TIMEOUT: | |
4797 | dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", | |
4798 | __func__, __LINE__); | |
4799 | break; | |
4800 | } | |
4801 | } else | |
4802 | megasas_return_cmd(instance, cmd); | |
4803 | ||
fc62b3fc SS |
4804 | return ret; |
4805 | } | |
4806 | ||
31ea7088 | 4807 | /** |
4808 | * megasas_issue_init_mfi - Initializes the FW | |
4809 | * @instance: Adapter soft state | |
4810 | * | |
4811 | * Issues the INIT MFI cmd | |
4812 | */ | |
4813 | static int | |
4814 | megasas_issue_init_mfi(struct megasas_instance *instance) | |
4815 | { | |
9ab9ed38 | 4816 | __le32 context; |
31ea7088 | 4817 | struct megasas_cmd *cmd; |
31ea7088 | 4818 | struct megasas_init_frame *init_frame; |
4819 | struct megasas_init_queue_info *initq_info; | |
4820 | dma_addr_t init_frame_h; | |
4821 | dma_addr_t initq_info_h; | |
4822 | ||
4823 | /* | |
4824 | * Prepare a init frame. Note the init frame points to queue info | |
4825 | * structure. Each frame has SGL allocated after first 64 bytes. For | |
4826 | * this frame - since we don't need any SGL - we use SGL's space as | |
4827 | * queue info structure | |
4828 | * | |
4829 | * We will not get a NULL command below. We just created the pool. | |
4830 | */ | |
4831 | cmd = megasas_get_cmd(instance); | |
4832 | ||
4833 | init_frame = (struct megasas_init_frame *)cmd->frame; | |
4834 | initq_info = (struct megasas_init_queue_info *) | |
4835 | ((unsigned long)init_frame + 64); | |
4836 | ||
4837 | init_frame_h = cmd->frame_phys_addr; | |
4838 | initq_info_h = init_frame_h + 64; | |
4839 | ||
4840 | context = init_frame->context; | |
4841 | memset(init_frame, 0, MEGAMFI_FRAME_SIZE); | |
4842 | memset(initq_info, 0, sizeof(struct megasas_init_queue_info)); | |
4843 | init_frame->context = context; | |
4844 | ||
94cd65dd SS |
4845 | initq_info->reply_queue_entries = cpu_to_le32(instance->max_fw_cmds + 1); |
4846 | initq_info->reply_queue_start_phys_addr_lo = cpu_to_le32(instance->reply_queue_h); | |
31ea7088 | 4847 | |
94cd65dd SS |
4848 | initq_info->producer_index_phys_addr_lo = cpu_to_le32(instance->producer_h); |
4849 | initq_info->consumer_index_phys_addr_lo = cpu_to_le32(instance->consumer_h); | |
31ea7088 | 4850 | |
4851 | init_frame->cmd = MFI_CMD_INIT; | |
2be2a988 | 4852 | init_frame->cmd_status = MFI_STAT_INVALID_STATUS; |
94cd65dd SS |
4853 | init_frame->queue_info_new_phys_addr_lo = |
4854 | cpu_to_le32(lower_32_bits(initq_info_h)); | |
4855 | init_frame->queue_info_new_phys_addr_hi = | |
4856 | cpu_to_le32(upper_32_bits(initq_info_h)); | |
31ea7088 | 4857 | |
94cd65dd | 4858 | init_frame->data_xfer_len = cpu_to_le32(sizeof(struct megasas_init_queue_info)); |
31ea7088 | 4859 | |
4860 | /* | |
4861 | * disable the intr before firing the init frame to FW | |
4862 | */ | |
d46a3ad6 | 4863 | instance->instancet->disable_intr(instance); |
31ea7088 | 4864 | |
4865 | /* | |
4866 | * Issue the init frame in polled mode | |
4867 | */ | |
4868 | ||
4869 | if (megasas_issue_polled(instance, cmd)) { | |
1be18254 | 4870 | dev_err(&instance->pdev->dev, "Failed to init firmware\n"); |
31ea7088 | 4871 | megasas_return_cmd(instance, cmd); |
4872 | goto fail_fw_init; | |
4873 | } | |
4874 | ||
4875 | megasas_return_cmd(instance, cmd); | |
4876 | ||
4877 | return 0; | |
4878 | ||
4879 | fail_fw_init: | |
4880 | return -EINVAL; | |
4881 | } | |
4882 | ||
cd50ba8e AR |
4883 | static u32 |
4884 | megasas_init_adapter_mfi(struct megasas_instance *instance) | |
c4a3e0a5 | 4885 | { |
cd50ba8e | 4886 | struct megasas_register_set __iomem *reg_set; |
c4a3e0a5 BS |
4887 | u32 context_sz; |
4888 | u32 reply_q_sz; | |
c4a3e0a5 BS |
4889 | |
4890 | reg_set = instance->reg_set; | |
4891 | ||
c4a3e0a5 BS |
4892 | /* |
4893 | * Get various operational parameters from status register | |
4894 | */ | |
1341c939 | 4895 | instance->max_fw_cmds = instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; |
e3bbff9f SP |
4896 | /* |
4897 | * Reduce the max supported cmds by 1. This is to ensure that the | |
4898 | * reply_q_sz (1 more than the max cmd that driver may send) | |
4899 | * does not exceed max cmds that the FW can support | |
4900 | */ | |
4901 | instance->max_fw_cmds = instance->max_fw_cmds-1; | |
9c915a8c | 4902 | instance->max_mfi_cmds = instance->max_fw_cmds; |
0d49016b | 4903 | instance->max_num_sge = (instance->instancet->read_fw_status_reg(reg_set) & 0xFF0000) >> |
1341c939 | 4904 | 0x10; |
f26ac3a1 SS |
4905 | /* |
4906 | * For MFI skinny adapters, MEGASAS_SKINNY_INT_CMDS commands | |
4907 | * are reserved for IOCTL + driver's internal DCMDs. | |
4908 | */ | |
4909 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || | |
4910 | (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { | |
4911 | instance->max_scsi_cmds = (instance->max_fw_cmds - | |
4912 | MEGASAS_SKINNY_INT_CMDS); | |
4913 | sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS); | |
4914 | } else { | |
4915 | instance->max_scsi_cmds = (instance->max_fw_cmds - | |
4916 | MEGASAS_INT_CMDS); | |
4917 | sema_init(&instance->ioctl_sem, (MEGASAS_MFI_IOCTL_CMDS)); | |
4918 | } | |
4919 | ||
308ec459 | 4920 | instance->cur_can_queue = instance->max_scsi_cmds; |
c4a3e0a5 BS |
4921 | /* |
4922 | * Create a pool of commands | |
4923 | */ | |
4924 | if (megasas_alloc_cmds(instance)) | |
4925 | goto fail_alloc_cmds; | |
4926 | ||
4927 | /* | |
4928 | * Allocate memory for reply queue. Length of reply queue should | |
4929 | * be _one_ more than the maximum commands handled by the firmware. | |
4930 | * | |
4931 | * Note: When FW completes commands, it places corresponding contex | |
4932 | * values in this circular reply queue. This circular queue is a fairly | |
4933 | * typical producer-consumer queue. FW is the producer (of completed | |
4934 | * commands) and the driver is the consumer. | |
4935 | */ | |
4936 | context_sz = sizeof(u32); | |
4937 | reply_q_sz = context_sz * (instance->max_fw_cmds + 1); | |
4938 | ||
4939 | instance->reply_queue = pci_alloc_consistent(instance->pdev, | |
4940 | reply_q_sz, | |
4941 | &instance->reply_queue_h); | |
4942 | ||
4943 | if (!instance->reply_queue) { | |
1be18254 | 4944 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Out of DMA mem for reply queue\n"); |
c4a3e0a5 BS |
4945 | goto fail_reply_queue; |
4946 | } | |
4947 | ||
31ea7088 | 4948 | if (megasas_issue_init_mfi(instance)) |
c4a3e0a5 | 4949 | goto fail_fw_init; |
c4a3e0a5 | 4950 | |
d009b576 | 4951 | if (megasas_get_ctrl_info(instance)) { |
51087a86 SS |
4952 | dev_err(&instance->pdev->dev, "(%d): Could get controller info " |
4953 | "Fail from %s %d\n", instance->unique_id, | |
4954 | __func__, __LINE__); | |
4955 | goto fail_fw_init; | |
4956 | } | |
4957 | ||
39a98554 | 4958 | instance->fw_support_ieee = 0; |
4959 | instance->fw_support_ieee = | |
4960 | (instance->instancet->read_fw_status_reg(reg_set) & | |
4961 | 0x04000000); | |
4962 | ||
1be18254 | 4963 | dev_notice(&instance->pdev->dev, "megasas_init_mfi: fw_support_ieee=%d", |
39a98554 | 4964 | instance->fw_support_ieee); |
4965 | ||
4966 | if (instance->fw_support_ieee) | |
4967 | instance->flag_ieee = 1; | |
4968 | ||
cd50ba8e AR |
4969 | return 0; |
4970 | ||
4971 | fail_fw_init: | |
4972 | ||
4973 | pci_free_consistent(instance->pdev, reply_q_sz, | |
4974 | instance->reply_queue, instance->reply_queue_h); | |
4975 | fail_reply_queue: | |
4976 | megasas_free_cmds(instance); | |
4977 | ||
4978 | fail_alloc_cmds: | |
cd50ba8e AR |
4979 | return 1; |
4980 | } | |
4981 | ||
d3557fc8 | 4982 | /* |
fad119b7 | 4983 | * megasas_setup_irqs_ioapic - register legacy interrupts. |
d3557fc8 SS |
4984 | * @instance: Adapter soft state |
4985 | * | |
4986 | * Do not enable interrupt, only setup ISRs. | |
4987 | * | |
4988 | * Return 0 on success. | |
4989 | */ | |
4990 | static int | |
4991 | megasas_setup_irqs_ioapic(struct megasas_instance *instance) | |
4992 | { | |
4993 | struct pci_dev *pdev; | |
4994 | ||
4995 | pdev = instance->pdev; | |
4996 | instance->irq_context[0].instance = instance; | |
4997 | instance->irq_context[0].MSIxIndex = 0; | |
fad119b7 HR |
4998 | if (request_irq(pci_irq_vector(pdev, 0), |
4999 | instance->instancet->service_isr, IRQF_SHARED, | |
5000 | "megasas", &instance->irq_context[0])) { | |
d3557fc8 SS |
5001 | dev_err(&instance->pdev->dev, |
5002 | "Failed to register IRQ from %s %d\n", | |
5003 | __func__, __LINE__); | |
5004 | return -1; | |
5005 | } | |
5006 | return 0; | |
5007 | } | |
5008 | ||
5009 | /** | |
5010 | * megasas_setup_irqs_msix - register MSI-x interrupts. | |
5011 | * @instance: Adapter soft state | |
5012 | * @is_probe: Driver probe check | |
5013 | * | |
5014 | * Do not enable interrupt, only setup ISRs. | |
5015 | * | |
5016 | * Return 0 on success. | |
5017 | */ | |
5018 | static int | |
5019 | megasas_setup_irqs_msix(struct megasas_instance *instance, u8 is_probe) | |
5020 | { | |
fad119b7 | 5021 | int i, j; |
d3557fc8 SS |
5022 | struct pci_dev *pdev; |
5023 | ||
5024 | pdev = instance->pdev; | |
5025 | ||
5026 | /* Try MSI-x */ | |
d3557fc8 SS |
5027 | for (i = 0; i < instance->msix_vectors; i++) { |
5028 | instance->irq_context[i].instance = instance; | |
5029 | instance->irq_context[i].MSIxIndex = i; | |
fad119b7 | 5030 | if (request_irq(pci_irq_vector(pdev, i), |
d3557fc8 SS |
5031 | instance->instancet->service_isr, 0, "megasas", |
5032 | &instance->irq_context[i])) { | |
5033 | dev_err(&instance->pdev->dev, | |
5034 | "Failed to register IRQ for vector %d.\n", i); | |
fad119b7 HR |
5035 | for (j = 0; j < i; j++) |
5036 | free_irq(pci_irq_vector(pdev, j), | |
5037 | &instance->irq_context[j]); | |
d3557fc8 SS |
5038 | /* Retry irq register for IO_APIC*/ |
5039 | instance->msix_vectors = 0; | |
64ff64b9 S |
5040 | if (is_probe) { |
5041 | pci_free_irq_vectors(instance->pdev); | |
d3557fc8 | 5042 | return megasas_setup_irqs_ioapic(instance); |
64ff64b9 | 5043 | } else { |
d3557fc8 | 5044 | return -1; |
64ff64b9 | 5045 | } |
d3557fc8 | 5046 | } |
d3557fc8 SS |
5047 | } |
5048 | return 0; | |
5049 | } | |
5050 | ||
5051 | /* | |
5052 | * megasas_destroy_irqs- unregister interrupts. | |
5053 | * @instance: Adapter soft state | |
5054 | * return: void | |
5055 | */ | |
5056 | static void | |
5057 | megasas_destroy_irqs(struct megasas_instance *instance) { | |
5058 | ||
5059 | int i; | |
5060 | ||
5061 | if (instance->msix_vectors) | |
5062 | for (i = 0; i < instance->msix_vectors; i++) { | |
fad119b7 | 5063 | free_irq(pci_irq_vector(instance->pdev, i), |
d3557fc8 SS |
5064 | &instance->irq_context[i]); |
5065 | } | |
5066 | else | |
fad119b7 HR |
5067 | free_irq(pci_irq_vector(instance->pdev, 0), |
5068 | &instance->irq_context[0]); | |
d3557fc8 SS |
5069 | } |
5070 | ||
3761cb4c | 5071 | /** |
5072 | * megasas_setup_jbod_map - setup jbod map for FP seq_number. | |
5073 | * @instance: Adapter soft state | |
5074 | * @is_probe: Driver probe check | |
5075 | * | |
5076 | * Return 0 on success. | |
5077 | */ | |
5078 | void | |
5079 | megasas_setup_jbod_map(struct megasas_instance *instance) | |
5080 | { | |
5081 | int i; | |
5082 | struct fusion_context *fusion = instance->ctrl_context; | |
5083 | u32 pd_seq_map_sz; | |
5084 | ||
5085 | pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + | |
5086 | (sizeof(struct MR_PD_CFG_SEQ) * (MAX_PHYSICAL_DEVICES - 1)); | |
5087 | ||
5088 | if (reset_devices || !fusion || | |
5089 | !instance->ctrl_info->adapterOperations3.useSeqNumJbodFP) { | |
5090 | dev_info(&instance->pdev->dev, | |
5091 | "Jbod map is not supported %s %d\n", | |
5092 | __func__, __LINE__); | |
5093 | instance->use_seqnum_jbod_fp = false; | |
5094 | return; | |
5095 | } | |
5096 | ||
5097 | if (fusion->pd_seq_sync[0]) | |
5098 | goto skip_alloc; | |
5099 | ||
5100 | for (i = 0; i < JBOD_MAPS_COUNT; i++) { | |
5101 | fusion->pd_seq_sync[i] = dma_alloc_coherent | |
5102 | (&instance->pdev->dev, pd_seq_map_sz, | |
5103 | &fusion->pd_seq_phys[i], GFP_KERNEL); | |
5104 | if (!fusion->pd_seq_sync[i]) { | |
5105 | dev_err(&instance->pdev->dev, | |
5106 | "Failed to allocate memory from %s %d\n", | |
5107 | __func__, __LINE__); | |
5108 | if (i == 1) { | |
5109 | dma_free_coherent(&instance->pdev->dev, | |
5110 | pd_seq_map_sz, fusion->pd_seq_sync[0], | |
5111 | fusion->pd_seq_phys[0]); | |
5112 | fusion->pd_seq_sync[0] = NULL; | |
5113 | } | |
5114 | instance->use_seqnum_jbod_fp = false; | |
5115 | return; | |
5116 | } | |
5117 | } | |
5118 | ||
5119 | skip_alloc: | |
5120 | if (!megasas_sync_pd_seq_num(instance, false) && | |
5121 | !megasas_sync_pd_seq_num(instance, true)) | |
5122 | instance->use_seqnum_jbod_fp = true; | |
5123 | else | |
5124 | instance->use_seqnum_jbod_fp = false; | |
5125 | } | |
5126 | ||
cd50ba8e AR |
5127 | /** |
5128 | * megasas_init_fw - Initializes the FW | |
5129 | * @instance: Adapter soft state | |
5130 | * | |
5131 | * This is the main function for initializing firmware | |
5132 | */ | |
5133 | ||
5134 | static int megasas_init_fw(struct megasas_instance *instance) | |
5135 | { | |
5136 | u32 max_sectors_1; | |
15dd0381 S |
5137 | u32 max_sectors_2, tmp_sectors, msix_enable; |
5138 | u32 scratch_pad_2, scratch_pad_3, scratch_pad_4; | |
11f8a7b3 | 5139 | resource_size_t base_addr; |
cd50ba8e | 5140 | struct megasas_register_set __iomem *reg_set; |
51087a86 | 5141 | struct megasas_ctrl_info *ctrl_info = NULL; |
cd50ba8e | 5142 | unsigned long bar_list; |
fdd84e25 | 5143 | int i, j, loop, fw_msix_count = 0; |
229fe47c | 5144 | struct IOV_111 *iovPtr; |
5a8cb85b | 5145 | struct fusion_context *fusion; |
5146 | ||
5147 | fusion = instance->ctrl_context; | |
cd50ba8e AR |
5148 | |
5149 | /* Find first memory bar */ | |
5150 | bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM); | |
51f9039f | 5151 | instance->bar = find_first_bit(&bar_list, BITS_PER_LONG); |
e7f85168 | 5152 | if (pci_request_selected_regions(instance->pdev, 1<<instance->bar, |
cd50ba8e | 5153 | "megasas: LSI")) { |
1be18254 | 5154 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "IO memory region busy!\n"); |
cd50ba8e AR |
5155 | return -EBUSY; |
5156 | } | |
5157 | ||
11f8a7b3 BC |
5158 | base_addr = pci_resource_start(instance->pdev, instance->bar); |
5159 | instance->reg_set = ioremap_nocache(base_addr, 8192); | |
cd50ba8e AR |
5160 | |
5161 | if (!instance->reg_set) { | |
1be18254 | 5162 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to map IO mem\n"); |
cd50ba8e AR |
5163 | goto fail_ioremap; |
5164 | } | |
5165 | ||
5166 | reg_set = instance->reg_set; | |
5167 | ||
9581ebeb | 5168 | if (fusion) |
9c915a8c | 5169 | instance->instancet = &megasas_instance_template_fusion; |
9581ebeb SC |
5170 | else { |
5171 | switch (instance->pdev->device) { | |
5172 | case PCI_DEVICE_ID_LSI_SAS1078R: | |
5173 | case PCI_DEVICE_ID_LSI_SAS1078DE: | |
5174 | instance->instancet = &megasas_instance_template_ppc; | |
5175 | break; | |
5176 | case PCI_DEVICE_ID_LSI_SAS1078GEN2: | |
5177 | case PCI_DEVICE_ID_LSI_SAS0079GEN2: | |
5178 | instance->instancet = &megasas_instance_template_gen2; | |
5179 | break; | |
5180 | case PCI_DEVICE_ID_LSI_SAS0073SKINNY: | |
5181 | case PCI_DEVICE_ID_LSI_SAS0071SKINNY: | |
5182 | instance->instancet = &megasas_instance_template_skinny; | |
5183 | break; | |
5184 | case PCI_DEVICE_ID_LSI_SAS1064R: | |
5185 | case PCI_DEVICE_ID_DELL_PERC5: | |
5186 | default: | |
5187 | instance->instancet = &megasas_instance_template_xscale; | |
5188 | instance->pd_list_not_supported = 1; | |
5189 | break; | |
5190 | } | |
cd50ba8e AR |
5191 | } |
5192 | ||
6431f5d7 SS |
5193 | if (megasas_transition_to_ready(instance, 0)) { |
5194 | atomic_set(&instance->fw_reset_no_pci_access, 1); | |
5195 | instance->instancet->adp_reset | |
5196 | (instance, instance->reg_set); | |
5197 | atomic_set(&instance->fw_reset_no_pci_access, 0); | |
5198 | dev_info(&instance->pdev->dev, | |
1be18254 | 5199 | "FW restarted successfully from %s!\n", |
6431f5d7 SS |
5200 | __func__); |
5201 | ||
5202 | /*waitting for about 30 second before retry*/ | |
5203 | ssleep(30); | |
5204 | ||
5205 | if (megasas_transition_to_ready(instance, 0)) | |
5206 | goto fail_ready_state; | |
5207 | } | |
cd50ba8e | 5208 | |
d889344e SC |
5209 | if (instance->is_ventura) { |
5210 | scratch_pad_3 = | |
5211 | readl(&instance->reg_set->outbound_scratch_pad_3); | |
d889344e SC |
5212 | instance->max_raid_mapsize = ((scratch_pad_3 >> |
5213 | MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT) & | |
5214 | MR_MAX_RAID_MAP_SIZE_MASK); | |
5215 | } | |
d46a3ad6 | 5216 | |
3f1abce4 AR |
5217 | /* Check if MSI-X is supported while in ready state */ |
5218 | msix_enable = (instance->instancet->read_fw_status_reg(reg_set) & | |
5219 | 0x4000000) >> 0x1a; | |
c8e858fe | 5220 | if (msix_enable && !msix_disable) { |
fad119b7 HR |
5221 | int irq_flags = PCI_IRQ_MSIX; |
5222 | ||
d46a3ad6 SS |
5223 | scratch_pad_2 = readl |
5224 | (&instance->reg_set->outbound_scratch_pad_2); | |
c8e858fe | 5225 | /* Check max MSI-X vectors */ |
5a8cb85b | 5226 | if (fusion) { |
5227 | if (fusion->adapter_type == THUNDERBOLT_SERIES) { /* Thunderbolt Series*/ | |
5228 | instance->msix_vectors = (scratch_pad_2 | |
5229 | & MR_MAX_REPLY_QUEUES_OFFSET) + 1; | |
5230 | fw_msix_count = instance->msix_vectors; | |
5231 | } else { /* Invader series supports more than 8 MSI-x vectors*/ | |
5232 | instance->msix_vectors = ((scratch_pad_2 | |
5233 | & MR_MAX_REPLY_QUEUES_EXT_OFFSET) | |
5234 | >> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1; | |
2493c67e SC |
5235 | if (instance->msix_vectors > 16) |
5236 | instance->msix_combined = true; | |
5237 | ||
179ac142 SS |
5238 | if (rdpq_enable) |
5239 | instance->is_rdpq = (scratch_pad_2 & MR_RDPQ_MODE_OFFSET) ? | |
5240 | 1 : 0; | |
5a8cb85b | 5241 | fw_msix_count = instance->msix_vectors; |
5242 | /* Save 1-15 reply post index address to local memory | |
5243 | * Index 0 is already saved from reg offset | |
5244 | * MPI2_REPLY_POST_HOST_INDEX_OFFSET | |
5245 | */ | |
5246 | for (loop = 1; loop < MR_MAX_MSIX_REG_ARRAY; loop++) { | |
5247 | instance->reply_post_host_index_addr[loop] = | |
5248 | (u32 __iomem *) | |
5249 | ((u8 __iomem *)instance->reg_set + | |
5250 | MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET | |
5251 | + (loop * 0x10)); | |
5252 | } | |
d46a3ad6 SS |
5253 | } |
5254 | if (msix_vectors) | |
5255 | instance->msix_vectors = min(msix_vectors, | |
5256 | instance->msix_vectors); | |
5a8cb85b | 5257 | } else /* MFI adapters */ |
c8e858fe AR |
5258 | instance->msix_vectors = 1; |
5259 | /* Don't bother allocating more MSI-X vectors than cpus */ | |
5260 | instance->msix_vectors = min(instance->msix_vectors, | |
5261 | (unsigned int)num_online_cpus()); | |
fad119b7 HR |
5262 | if (smp_affinity_enable) |
5263 | irq_flags |= PCI_IRQ_AFFINITY; | |
5264 | i = pci_alloc_irq_vectors(instance->pdev, 1, | |
5265 | instance->msix_vectors, irq_flags); | |
c12de882 | 5266 | if (i > 0) |
8ae80ed1 AG |
5267 | instance->msix_vectors = i; |
5268 | else | |
c8e858fe AR |
5269 | instance->msix_vectors = 0; |
5270 | } | |
2493c67e SC |
5271 | /* |
5272 | * MSI-X host index 0 is common for all adapter. | |
5273 | * It is used for all MPT based Adapters. | |
5274 | */ | |
5275 | if (instance->msix_combined) { | |
5276 | instance->reply_post_host_index_addr[0] = | |
5277 | (u32 *)((u8 *)instance->reg_set + | |
5278 | MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET); | |
5279 | } else { | |
5280 | instance->reply_post_host_index_addr[0] = | |
5281 | (u32 *)((u8 *)instance->reg_set + | |
5282 | MPI2_REPLY_POST_HOST_INDEX_OFFSET); | |
5283 | } | |
5284 | ||
64ff64b9 S |
5285 | if (!instance->msix_vectors) { |
5286 | i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY); | |
5287 | if (i < 0) | |
5288 | goto fail_setup_irqs; | |
5289 | } | |
3f1abce4 | 5290 | |
258c3af2 TH |
5291 | dev_info(&instance->pdev->dev, |
5292 | "firmware supports msix\t: (%d)", fw_msix_count); | |
5293 | dev_info(&instance->pdev->dev, | |
5294 | "current msix/online cpus\t: (%d/%d)\n", | |
5295 | instance->msix_vectors, (unsigned int)num_online_cpus()); | |
179ac142 SS |
5296 | dev_info(&instance->pdev->dev, |
5297 | "RDPQ mode\t: (%s)\n", instance->is_rdpq ? "enabled" : "disabled"); | |
d3557fc8 | 5298 | |
91626c27 | 5299 | tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, |
5300 | (unsigned long)instance); | |
5301 | ||
51087a86 SS |
5302 | instance->ctrl_info = kzalloc(sizeof(struct megasas_ctrl_info), |
5303 | GFP_KERNEL); | |
5304 | if (instance->ctrl_info == NULL) | |
5305 | goto fail_init_adapter; | |
5306 | ||
5307 | /* | |
5308 | * Below are default value for legacy Firmware. | |
5309 | * non-fusion based controllers | |
5310 | */ | |
5311 | instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES; | |
5312 | instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES; | |
cd50ba8e AR |
5313 | /* Get operational params, sge flags, send init cmd to controller */ |
5314 | if (instance->instancet->init_adapter(instance)) | |
eb1b1237 | 5315 | goto fail_init_adapter; |
cd50ba8e | 5316 | |
15dd0381 S |
5317 | if (instance->is_ventura) { |
5318 | scratch_pad_4 = | |
5319 | readl(&instance->reg_set->outbound_scratch_pad_4); | |
5320 | if ((scratch_pad_4 & MR_NVME_PAGE_SIZE_MASK) >= | |
5321 | MR_DEFAULT_NVME_PAGE_SHIFT) | |
5322 | instance->nvme_page_size = | |
5323 | (1 << (scratch_pad_4 & MR_NVME_PAGE_SIZE_MASK)); | |
5324 | ||
5325 | dev_info(&instance->pdev->dev, | |
5326 | "NVME page size\t: (%d)\n", instance->nvme_page_size); | |
5327 | } | |
5328 | ||
18103efc TH |
5329 | if (instance->msix_vectors ? |
5330 | megasas_setup_irqs_msix(instance, 1) : | |
5331 | megasas_setup_irqs_ioapic(instance)) | |
5332 | goto fail_init_adapter; | |
258c3af2 | 5333 | |
d3557fc8 | 5334 | instance->instancet->enable_intr(instance); |
cd50ba8e | 5335 | |
13f30771 | 5336 | dev_info(&instance->pdev->dev, "INIT adapter done\n"); |
cd50ba8e | 5337 | |
3761cb4c | 5338 | megasas_setup_jbod_map(instance); |
5339 | ||
39a98554 | 5340 | /** for passthrough |
da0dc9fb BH |
5341 | * the following function will get the PD LIST. |
5342 | */ | |
5343 | memset(instance->pd_list, 0, | |
81e403ce | 5344 | (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list))); |
58968fc8 | 5345 | if (megasas_get_pd_list(instance) < 0) { |
1be18254 | 5346 | dev_err(&instance->pdev->dev, "failed to get PD list\n"); |
72bff2d1 | 5347 | goto fail_get_ld_pd_list; |
58968fc8 | 5348 | } |
81e403ce | 5349 | |
bdc6fb8d | 5350 | memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); |
fdd84e25 SC |
5351 | |
5352 | /* stream detection initialization */ | |
41064f1b | 5353 | if (instance->is_ventura && fusion) { |
fdd84e25 | 5354 | fusion->stream_detect_by_ld = |
41064f1b S |
5355 | kzalloc(sizeof(struct LD_STREAM_DETECT *) |
5356 | * MAX_LOGICAL_DRIVES_EXT, | |
5357 | GFP_KERNEL); | |
fdd84e25 SC |
5358 | if (!fusion->stream_detect_by_ld) { |
5359 | dev_err(&instance->pdev->dev, | |
41064f1b | 5360 | "unable to allocate stream detection for pool of LDs\n"); |
fdd84e25 SC |
5361 | goto fail_get_ld_pd_list; |
5362 | } | |
5363 | for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i) { | |
5364 | fusion->stream_detect_by_ld[i] = | |
5365 | kmalloc(sizeof(struct LD_STREAM_DETECT), | |
5366 | GFP_KERNEL); | |
5367 | if (!fusion->stream_detect_by_ld[i]) { | |
5368 | dev_err(&instance->pdev->dev, | |
5369 | "unable to allocate stream detect by LD\n "); | |
5370 | for (j = 0; j < i; ++j) | |
5371 | kfree(fusion->stream_detect_by_ld[j]); | |
5372 | kfree(fusion->stream_detect_by_ld); | |
5373 | fusion->stream_detect_by_ld = NULL; | |
5374 | goto fail_get_ld_pd_list; | |
5375 | } | |
5376 | fusion->stream_detect_by_ld[i]->mru_bit_map | |
5377 | = MR_STREAM_BITMAP; | |
5378 | } | |
5379 | } | |
5380 | ||
21c9e160 AR |
5381 | if (megasas_ld_list_query(instance, |
5382 | MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) | |
72bff2d1 | 5383 | goto fail_get_ld_pd_list; |
bdc6fb8d | 5384 | |
c4a3e0a5 BS |
5385 | /* |
5386 | * Compute the max allowed sectors per IO: The controller info has two | |
5387 | * limits on max sectors. Driver should use the minimum of these two. | |
5388 | * | |
5389 | * 1 << stripe_sz_ops.min = max sectors per strip | |
5390 | * | |
5391 | * Note that older firmwares ( < FW ver 30) didn't report information | |
5392 | * to calculate max_sectors_1. So the number ended up as zero always. | |
5393 | */ | |
14faea9f | 5394 | tmp_sectors = 0; |
51087a86 | 5395 | ctrl_info = instance->ctrl_info; |
c4a3e0a5 | 5396 | |
51087a86 SS |
5397 | max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) * |
5398 | le16_to_cpu(ctrl_info->max_strips_per_io); | |
5399 | max_sectors_2 = le32_to_cpu(ctrl_info->max_request_size); | |
404a8a1a | 5400 | |
da0dc9fb | 5401 | tmp_sectors = min_t(u32, max_sectors_1, max_sectors_2); |
bc93d425 | 5402 | |
8f67c8c5 SS |
5403 | instance->peerIsPresent = ctrl_info->cluster.peerIsPresent; |
5404 | instance->passive = ctrl_info->cluster.passive; | |
5405 | memcpy(instance->clusterId, ctrl_info->clusterId, sizeof(instance->clusterId)); | |
51087a86 SS |
5406 | instance->UnevenSpanSupport = |
5407 | ctrl_info->adapterOperations2.supportUnevenSpans; | |
5408 | if (instance->UnevenSpanSupport) { | |
5409 | struct fusion_context *fusion = instance->ctrl_context; | |
51087a86 SS |
5410 | if (MR_ValidateMapInfo(instance)) |
5411 | fusion->fast_path_io = 1; | |
5412 | else | |
5413 | fusion->fast_path_io = 0; | |
fc62b3fc | 5414 | |
51087a86 SS |
5415 | } |
5416 | if (ctrl_info->host_interface.SRIOV) { | |
92bb6505 | 5417 | instance->requestorId = ctrl_info->iov.requestorId; |
5418 | if (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) { | |
5419 | if (!ctrl_info->adapterOperations2.activePassive) | |
5420 | instance->PlasmaFW111 = 1; | |
5421 | ||
5422 | dev_info(&instance->pdev->dev, "SR-IOV: firmware type: %s\n", | |
5423 | instance->PlasmaFW111 ? "1.11" : "new"); | |
5424 | ||
5425 | if (instance->PlasmaFW111) { | |
5426 | iovPtr = (struct IOV_111 *) | |
5427 | ((unsigned char *)ctrl_info + IOV_111_OFFSET); | |
5428 | instance->requestorId = iovPtr->requestorId; | |
5429 | } | |
fc62b3fc | 5430 | } |
92bb6505 | 5431 | dev_info(&instance->pdev->dev, "SRIOV: VF requestorId %d\n", |
5432 | instance->requestorId); | |
51087a86 SS |
5433 | } |
5434 | ||
51087a86 SS |
5435 | instance->crash_dump_fw_support = |
5436 | ctrl_info->adapterOperations3.supportCrashDump; | |
5437 | instance->crash_dump_drv_support = | |
5438 | (instance->crash_dump_fw_support && | |
5439 | instance->crash_dump_buf); | |
d88da09a | 5440 | if (instance->crash_dump_drv_support) |
51087a86 SS |
5441 | megasas_set_crash_dump_params(instance, |
5442 | MR_CRASH_BUF_TURN_OFF); | |
5443 | ||
d88da09a | 5444 | else { |
51087a86 SS |
5445 | if (instance->crash_dump_buf) |
5446 | pci_free_consistent(instance->pdev, | |
5447 | CRASH_DMA_BUF_SIZE, | |
5448 | instance->crash_dump_buf, | |
5449 | instance->crash_dump_h); | |
5450 | instance->crash_dump_buf = NULL; | |
14faea9f | 5451 | } |
7497cde8 | 5452 | |
d88da09a SS |
5453 | |
5454 | dev_info(&instance->pdev->dev, | |
5455 | "pci id\t\t: (0x%04x)/(0x%04x)/(0x%04x)/(0x%04x)\n", | |
5456 | le16_to_cpu(ctrl_info->pci.vendor_id), | |
5457 | le16_to_cpu(ctrl_info->pci.device_id), | |
5458 | le16_to_cpu(ctrl_info->pci.sub_vendor_id), | |
5459 | le16_to_cpu(ctrl_info->pci.sub_device_id)); | |
5460 | dev_info(&instance->pdev->dev, "unevenspan support : %s\n", | |
5461 | instance->UnevenSpanSupport ? "yes" : "no"); | |
d88da09a SS |
5462 | dev_info(&instance->pdev->dev, "firmware crash dump : %s\n", |
5463 | instance->crash_dump_drv_support ? "yes" : "no"); | |
3761cb4c | 5464 | dev_info(&instance->pdev->dev, "jbod sync map : %s\n", |
5465 | instance->use_seqnum_jbod_fp ? "yes" : "no"); | |
d88da09a SS |
5466 | |
5467 | ||
14faea9f | 5468 | instance->max_sectors_per_req = instance->max_num_sge * |
357ae967 | 5469 | SGE_BUFFER_SIZE / 512; |
14faea9f | 5470 | if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors)) |
5471 | instance->max_sectors_per_req = tmp_sectors; | |
c4a3e0a5 | 5472 | |
ae09a6c1 SS |
5473 | /* Check for valid throttlequeuedepth module parameter */ |
5474 | if (throttlequeuedepth && | |
5475 | throttlequeuedepth <= instance->max_scsi_cmds) | |
5476 | instance->throttlequeuedepth = throttlequeuedepth; | |
5477 | else | |
5478 | instance->throttlequeuedepth = | |
5479 | MEGASAS_THROTTLE_QUEUE_DEPTH; | |
5480 | ||
e3d178ca SS |
5481 | if (resetwaittime > MEGASAS_RESET_WAIT_TIME) |
5482 | resetwaittime = MEGASAS_RESET_WAIT_TIME; | |
5483 | ||
5484 | if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT)) | |
5485 | scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT; | |
ad84db2e | 5486 | |
229fe47c AR |
5487 | /* Launch SR-IOV heartbeat timer */ |
5488 | if (instance->requestorId) { | |
5489 | if (!megasas_sriov_start_heartbeat(instance, 1)) | |
5490 | megasas_start_timer(instance, | |
5491 | &instance->sriov_heartbeat_timer, | |
5492 | megasas_sriov_heartbeat_handler, | |
5493 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
5494 | else | |
5495 | instance->skip_heartbeat_timer_del = 1; | |
5496 | } | |
5497 | ||
c4a3e0a5 BS |
5498 | return 0; |
5499 | ||
fdd84e25 SC |
5500 | fail_get_ld_pd_list: |
5501 | instance->instancet->disable_intr(instance); | |
18103efc | 5502 | fail_init_adapter: |
fad119b7 HR |
5503 | megasas_destroy_irqs(instance); |
5504 | fail_setup_irqs: | |
d3557fc8 | 5505 | if (instance->msix_vectors) |
fad119b7 | 5506 | pci_free_irq_vectors(instance->pdev); |
d3557fc8 | 5507 | instance->msix_vectors = 0; |
cd50ba8e | 5508 | fail_ready_state: |
51087a86 SS |
5509 | kfree(instance->ctrl_info); |
5510 | instance->ctrl_info = NULL; | |
c4a3e0a5 BS |
5511 | iounmap(instance->reg_set); |
5512 | ||
72bff2d1 | 5513 | fail_ioremap: |
e7f85168 | 5514 | pci_release_selected_regions(instance->pdev, 1<<instance->bar); |
c4a3e0a5 | 5515 | |
72bff2d1 S |
5516 | dev_err(&instance->pdev->dev, "Failed from %s %d\n", |
5517 | __func__, __LINE__); | |
c4a3e0a5 BS |
5518 | return -EINVAL; |
5519 | } | |
5520 | ||
5521 | /** | |
5522 | * megasas_release_mfi - Reverses the FW initialization | |
4b63b286 | 5523 | * @instance: Adapter soft state |
c4a3e0a5 BS |
5524 | */ |
5525 | static void megasas_release_mfi(struct megasas_instance *instance) | |
5526 | { | |
9c915a8c | 5527 | u32 reply_q_sz = sizeof(u32) *(instance->max_mfi_cmds + 1); |
c4a3e0a5 | 5528 | |
9c915a8c AR |
5529 | if (instance->reply_queue) |
5530 | pci_free_consistent(instance->pdev, reply_q_sz, | |
c4a3e0a5 BS |
5531 | instance->reply_queue, instance->reply_queue_h); |
5532 | ||
5533 | megasas_free_cmds(instance); | |
5534 | ||
5535 | iounmap(instance->reg_set); | |
5536 | ||
e7f85168 | 5537 | pci_release_selected_regions(instance->pdev, 1<<instance->bar); |
c4a3e0a5 BS |
5538 | } |
5539 | ||
5540 | /** | |
5541 | * megasas_get_seq_num - Gets latest event sequence numbers | |
5542 | * @instance: Adapter soft state | |
5543 | * @eli: FW event log sequence numbers information | |
5544 | * | |
5545 | * FW maintains a log of all events in a non-volatile area. Upper layers would | |
5546 | * usually find out the latest sequence number of the events, the seq number at | |
5547 | * the boot etc. They would "read" all the events below the latest seq number | |
5548 | * by issuing a direct fw cmd (DCMD). For the future events (beyond latest seq | |
5549 | * number), they would subsribe to AEN (asynchronous event notification) and | |
5550 | * wait for the events to happen. | |
5551 | */ | |
5552 | static int | |
5553 | megasas_get_seq_num(struct megasas_instance *instance, | |
5554 | struct megasas_evt_log_info *eli) | |
5555 | { | |
5556 | struct megasas_cmd *cmd; | |
5557 | struct megasas_dcmd_frame *dcmd; | |
5558 | struct megasas_evt_log_info *el_info; | |
5559 | dma_addr_t el_info_h = 0; | |
5560 | ||
5561 | cmd = megasas_get_cmd(instance); | |
5562 | ||
5563 | if (!cmd) { | |
5564 | return -ENOMEM; | |
5565 | } | |
5566 | ||
5567 | dcmd = &cmd->frame->dcmd; | |
5568 | el_info = pci_alloc_consistent(instance->pdev, | |
5569 | sizeof(struct megasas_evt_log_info), | |
5570 | &el_info_h); | |
5571 | ||
5572 | if (!el_info) { | |
5573 | megasas_return_cmd(instance, cmd); | |
5574 | return -ENOMEM; | |
5575 | } | |
5576 | ||
5577 | memset(el_info, 0, sizeof(*el_info)); | |
5578 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
5579 | ||
5580 | dcmd->cmd = MFI_CMD_DCMD; | |
5581 | dcmd->cmd_status = 0x0; | |
5582 | dcmd->sge_count = 1; | |
94cd65dd | 5583 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
c4a3e0a5 | 5584 | dcmd->timeout = 0; |
780a3762 | 5585 | dcmd->pad_0 = 0; |
94cd65dd SS |
5586 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_log_info)); |
5587 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_GET_INFO); | |
5588 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(el_info_h); | |
5589 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_evt_log_info)); | |
c4a3e0a5 | 5590 | |
6d40afbc SS |
5591 | if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) == |
5592 | DCMD_SUCCESS) { | |
cfbe7554 SS |
5593 | /* |
5594 | * Copy the data back into callers buffer | |
5595 | */ | |
48100b0e CH |
5596 | eli->newest_seq_num = el_info->newest_seq_num; |
5597 | eli->oldest_seq_num = el_info->oldest_seq_num; | |
5598 | eli->clear_seq_num = el_info->clear_seq_num; | |
5599 | eli->shutdown_seq_num = el_info->shutdown_seq_num; | |
5600 | eli->boot_seq_num = el_info->boot_seq_num; | |
6d40afbc SS |
5601 | } else |
5602 | dev_err(&instance->pdev->dev, "DCMD failed " | |
5603 | "from %s\n", __func__); | |
c4a3e0a5 BS |
5604 | |
5605 | pci_free_consistent(instance->pdev, sizeof(struct megasas_evt_log_info), | |
5606 | el_info, el_info_h); | |
5607 | ||
4026e9aa | 5608 | megasas_return_cmd(instance, cmd); |
c4a3e0a5 BS |
5609 | |
5610 | return 0; | |
5611 | } | |
5612 | ||
5613 | /** | |
5614 | * megasas_register_aen - Registers for asynchronous event notification | |
5615 | * @instance: Adapter soft state | |
5616 | * @seq_num: The starting sequence number | |
5617 | * @class_locale: Class of the event | |
5618 | * | |
5619 | * This function subscribes for AEN for events beyond the @seq_num. It requests | |
5620 | * to be notified if and only if the event is of type @class_locale | |
5621 | */ | |
5622 | static int | |
5623 | megasas_register_aen(struct megasas_instance *instance, u32 seq_num, | |
5624 | u32 class_locale_word) | |
5625 | { | |
5626 | int ret_val; | |
5627 | struct megasas_cmd *cmd; | |
5628 | struct megasas_dcmd_frame *dcmd; | |
5629 | union megasas_evt_class_locale curr_aen; | |
5630 | union megasas_evt_class_locale prev_aen; | |
5631 | ||
5632 | /* | |
5633 | * If there an AEN pending already (aen_cmd), check if the | |
5634 | * class_locale of that pending AEN is inclusive of the new | |
5635 | * AEN request we currently have. If it is, then we don't have | |
5636 | * to do anything. In other words, whichever events the current | |
5637 | * AEN request is subscribing to, have already been subscribed | |
5638 | * to. | |
5639 | * | |
5640 | * If the old_cmd is _not_ inclusive, then we have to abort | |
5641 | * that command, form a class_locale that is superset of both | |
5642 | * old and current and re-issue to the FW | |
5643 | */ | |
5644 | ||
5645 | curr_aen.word = class_locale_word; | |
5646 | ||
5647 | if (instance->aen_cmd) { | |
5648 | ||
a9555534 CH |
5649 | prev_aen.word = |
5650 | le32_to_cpu(instance->aen_cmd->frame->dcmd.mbox.w[1]); | |
c4a3e0a5 BS |
5651 | |
5652 | /* | |
5653 | * A class whose enum value is smaller is inclusive of all | |
5654 | * higher values. If a PROGRESS (= -1) was previously | |
5655 | * registered, then a new registration requests for higher | |
5656 | * classes need not be sent to FW. They are automatically | |
5657 | * included. | |
5658 | * | |
5659 | * Locale numbers don't have such hierarchy. They are bitmap | |
5660 | * values | |
5661 | */ | |
5662 | if ((prev_aen.members.class <= curr_aen.members.class) && | |
3993a862 | 5663 | !((prev_aen.members.locale & curr_aen.members.locale) ^ |
c4a3e0a5 BS |
5664 | curr_aen.members.locale)) { |
5665 | /* | |
5666 | * Previously issued event registration includes | |
5667 | * current request. Nothing to do. | |
5668 | */ | |
5669 | return 0; | |
5670 | } else { | |
3993a862 | 5671 | curr_aen.members.locale |= prev_aen.members.locale; |
c4a3e0a5 BS |
5672 | |
5673 | if (prev_aen.members.class < curr_aen.members.class) | |
5674 | curr_aen.members.class = prev_aen.members.class; | |
5675 | ||
5676 | instance->aen_cmd->abort_aen = 1; | |
5677 | ret_val = megasas_issue_blocked_abort_cmd(instance, | |
5678 | instance-> | |
cfbe7554 | 5679 | aen_cmd, 30); |
c4a3e0a5 BS |
5680 | |
5681 | if (ret_val) { | |
1be18254 | 5682 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to abort " |
c4a3e0a5 BS |
5683 | "previous AEN command\n"); |
5684 | return ret_val; | |
5685 | } | |
5686 | } | |
5687 | } | |
5688 | ||
5689 | cmd = megasas_get_cmd(instance); | |
5690 | ||
5691 | if (!cmd) | |
5692 | return -ENOMEM; | |
5693 | ||
5694 | dcmd = &cmd->frame->dcmd; | |
5695 | ||
5696 | memset(instance->evt_detail, 0, sizeof(struct megasas_evt_detail)); | |
5697 | ||
5698 | /* | |
5699 | * Prepare DCMD for aen registration | |
5700 | */ | |
5701 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
5702 | ||
5703 | dcmd->cmd = MFI_CMD_DCMD; | |
5704 | dcmd->cmd_status = 0x0; | |
5705 | dcmd->sge_count = 1; | |
94cd65dd | 5706 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); |
c4a3e0a5 | 5707 | dcmd->timeout = 0; |
780a3762 | 5708 | dcmd->pad_0 = 0; |
94cd65dd SS |
5709 | dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_detail)); |
5710 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_WAIT); | |
5711 | dcmd->mbox.w[0] = cpu_to_le32(seq_num); | |
39a98554 | 5712 | instance->last_seq_num = seq_num; |
94cd65dd SS |
5713 | dcmd->mbox.w[1] = cpu_to_le32(curr_aen.word); |
5714 | dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->evt_detail_h); | |
5715 | dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_evt_detail)); | |
c4a3e0a5 | 5716 | |
f4c9a131 YB |
5717 | if (instance->aen_cmd != NULL) { |
5718 | megasas_return_cmd(instance, cmd); | |
5719 | return 0; | |
5720 | } | |
5721 | ||
c4a3e0a5 BS |
5722 | /* |
5723 | * Store reference to the cmd used to register for AEN. When an | |
5724 | * application wants us to register for AEN, we have to abort this | |
5725 | * cmd and re-register with a new EVENT LOCALE supplied by that app | |
5726 | */ | |
5727 | instance->aen_cmd = cmd; | |
5728 | ||
5729 | /* | |
5730 | * Issue the aen registration frame | |
5731 | */ | |
9c915a8c | 5732 | instance->instancet->issue_dcmd(instance, cmd); |
c4a3e0a5 BS |
5733 | |
5734 | return 0; | |
5735 | } | |
5736 | ||
96188a89 S |
5737 | /* megasas_get_target_prop - Send DCMD with below details to firmware. |
5738 | * | |
5739 | * This DCMD will fetch few properties of LD/system PD defined | |
5740 | * in MR_TARGET_DEV_PROPERTIES. eg. Queue Depth, MDTS value. | |
5741 | * | |
5742 | * DCMD send by drivers whenever new target is added to the OS. | |
5743 | * | |
5744 | * dcmd.opcode - MR_DCMD_DEV_GET_TARGET_PROP | |
5745 | * dcmd.mbox.b[0] - DCMD is to be fired for LD or system PD. | |
5746 | * 0 = system PD, 1 = LD. | |
5747 | * dcmd.mbox.s[1] - TargetID for LD/system PD. | |
5748 | * dcmd.sge IN - Pointer to return MR_TARGET_DEV_PROPERTIES. | |
5749 | * | |
5750 | * @instance: Adapter soft state | |
5751 | * @sdev: OS provided scsi device | |
5752 | * | |
5753 | * Returns 0 on success non-zero on failure. | |
5754 | */ | |
5755 | static int | |
5756 | megasas_get_target_prop(struct megasas_instance *instance, | |
5757 | struct scsi_device *sdev) | |
5758 | { | |
5759 | int ret; | |
5760 | struct megasas_cmd *cmd; | |
5761 | struct megasas_dcmd_frame *dcmd; | |
5762 | u16 targetId = (sdev->channel % 2) + sdev->id; | |
5763 | ||
5764 | cmd = megasas_get_cmd(instance); | |
5765 | ||
5766 | if (!cmd) { | |
5767 | dev_err(&instance->pdev->dev, | |
5768 | "Failed to get cmd %s\n", __func__); | |
5769 | return -ENOMEM; | |
5770 | } | |
5771 | ||
5772 | dcmd = &cmd->frame->dcmd; | |
5773 | ||
5774 | memset(instance->tgt_prop, 0, sizeof(*instance->tgt_prop)); | |
5775 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
5776 | dcmd->mbox.b[0] = MEGASAS_IS_LOGICAL(sdev); | |
5777 | ||
5778 | dcmd->mbox.s[1] = cpu_to_le16(targetId); | |
5779 | dcmd->cmd = MFI_CMD_DCMD; | |
5780 | dcmd->cmd_status = 0xFF; | |
5781 | dcmd->sge_count = 1; | |
5782 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); | |
5783 | dcmd->timeout = 0; | |
5784 | dcmd->pad_0 = 0; | |
5785 | dcmd->data_xfer_len = | |
5786 | cpu_to_le32(sizeof(struct MR_TARGET_PROPERTIES)); | |
5787 | dcmd->opcode = cpu_to_le32(MR_DCMD_DRV_GET_TARGET_PROP); | |
5788 | dcmd->sgl.sge32[0].phys_addr = | |
5789 | cpu_to_le32(instance->tgt_prop_h); | |
5790 | dcmd->sgl.sge32[0].length = | |
5791 | cpu_to_le32(sizeof(struct MR_TARGET_PROPERTIES)); | |
5792 | ||
5793 | if (instance->ctrl_context && !instance->mask_interrupts) | |
5794 | ret = megasas_issue_blocked_cmd(instance, | |
5795 | cmd, MFI_IO_TIMEOUT_SECS); | |
5796 | else | |
5797 | ret = megasas_issue_polled(instance, cmd); | |
5798 | ||
5799 | switch (ret) { | |
5800 | case DCMD_TIMEOUT: | |
5801 | switch (dcmd_timeout_ocr_possible(instance)) { | |
5802 | case INITIATE_OCR: | |
5803 | cmd->flags |= DRV_DCMD_SKIP_REFIRE; | |
5804 | megasas_reset_fusion(instance->host, | |
5805 | MFI_IO_TIMEOUT_OCR); | |
5806 | break; | |
5807 | case KILL_ADAPTER: | |
5808 | megaraid_sas_kill_hba(instance); | |
5809 | break; | |
5810 | case IGNORE_TIMEOUT: | |
5811 | dev_info(&instance->pdev->dev, | |
5812 | "Ignore DCMD timeout: %s %d\n", | |
5813 | __func__, __LINE__); | |
5814 | break; | |
5815 | } | |
5816 | break; | |
5817 | ||
5818 | default: | |
5819 | megasas_return_cmd(instance, cmd); | |
5820 | } | |
5821 | if (ret != DCMD_SUCCESS) | |
5822 | dev_err(&instance->pdev->dev, | |
5823 | "return from %s %d return value %d\n", | |
5824 | __func__, __LINE__, ret); | |
5825 | ||
5826 | return ret; | |
5827 | } | |
5828 | ||
c4a3e0a5 BS |
5829 | /** |
5830 | * megasas_start_aen - Subscribes to AEN during driver load time | |
5831 | * @instance: Adapter soft state | |
5832 | */ | |
5833 | static int megasas_start_aen(struct megasas_instance *instance) | |
5834 | { | |
5835 | struct megasas_evt_log_info eli; | |
5836 | union megasas_evt_class_locale class_locale; | |
5837 | ||
5838 | /* | |
5839 | * Get the latest sequence number from FW | |
5840 | */ | |
5841 | memset(&eli, 0, sizeof(eli)); | |
5842 | ||
5843 | if (megasas_get_seq_num(instance, &eli)) | |
5844 | return -1; | |
5845 | ||
5846 | /* | |
5847 | * Register AEN with FW for latest sequence number plus 1 | |
5848 | */ | |
5849 | class_locale.members.reserved = 0; | |
5850 | class_locale.members.locale = MR_EVT_LOCALE_ALL; | |
5851 | class_locale.members.class = MR_EVT_CLASS_DEBUG; | |
5852 | ||
94cd65dd | 5853 | return megasas_register_aen(instance, |
48100b0e | 5854 | le32_to_cpu(eli.newest_seq_num) + 1, |
94cd65dd | 5855 | class_locale.word); |
c4a3e0a5 BS |
5856 | } |
5857 | ||
5858 | /** | |
5859 | * megasas_io_attach - Attaches this driver to SCSI mid-layer | |
5860 | * @instance: Adapter soft state | |
5861 | */ | |
5862 | static int megasas_io_attach(struct megasas_instance *instance) | |
5863 | { | |
5864 | struct Scsi_Host *host = instance->host; | |
5865 | ||
5866 | /* | |
5867 | * Export parameters required by SCSI mid-layer | |
5868 | */ | |
c4a3e0a5 | 5869 | host->unique_id = instance->unique_id; |
ae09a6c1 | 5870 | host->can_queue = instance->max_scsi_cmds; |
c4a3e0a5 BS |
5871 | host->this_id = instance->init_id; |
5872 | host->sg_tablesize = instance->max_num_sge; | |
42a8d2b3 AR |
5873 | |
5874 | if (instance->fw_support_ieee) | |
5875 | instance->max_sectors_per_req = MEGASAS_MAX_SECTORS_IEEE; | |
5876 | ||
1fd10685 YB |
5877 | /* |
5878 | * Check if the module parameter value for max_sectors can be used | |
5879 | */ | |
5880 | if (max_sectors && max_sectors < instance->max_sectors_per_req) | |
5881 | instance->max_sectors_per_req = max_sectors; | |
5882 | else { | |
5883 | if (max_sectors) { | |
5884 | if (((instance->pdev->device == | |
5885 | PCI_DEVICE_ID_LSI_SAS1078GEN2) || | |
5886 | (instance->pdev->device == | |
5887 | PCI_DEVICE_ID_LSI_SAS0079GEN2)) && | |
5888 | (max_sectors <= MEGASAS_MAX_SECTORS)) { | |
5889 | instance->max_sectors_per_req = max_sectors; | |
5890 | } else { | |
1be18254 | 5891 | dev_info(&instance->pdev->dev, "max_sectors should be > 0" |
1fd10685 YB |
5892 | "and <= %d (or < 1MB for GEN2 controller)\n", |
5893 | instance->max_sectors_per_req); | |
5894 | } | |
5895 | } | |
5896 | } | |
5897 | ||
c4a3e0a5 | 5898 | host->max_sectors = instance->max_sectors_per_req; |
9c915a8c | 5899 | host->cmd_per_lun = MEGASAS_DEFAULT_CMD_PER_LUN; |
c4a3e0a5 BS |
5900 | host->max_channel = MEGASAS_MAX_CHANNELS - 1; |
5901 | host->max_id = MEGASAS_MAX_DEV_PER_CHANNEL; | |
5902 | host->max_lun = MEGASAS_MAX_LUN; | |
122da302 | 5903 | host->max_cmd_len = 16; |
c4a3e0a5 BS |
5904 | |
5905 | /* | |
5906 | * Notify the mid-layer about the new controller | |
5907 | */ | |
5908 | if (scsi_add_host(host, &instance->pdev->dev)) { | |
4026e9aa SS |
5909 | dev_err(&instance->pdev->dev, |
5910 | "Failed to add host from %s %d\n", | |
5911 | __func__, __LINE__); | |
c4a3e0a5 BS |
5912 | return -ENODEV; |
5913 | } | |
5914 | ||
c4a3e0a5 BS |
5915 | return 0; |
5916 | } | |
5917 | ||
31ea7088 | 5918 | static int |
5919 | megasas_set_dma_mask(struct pci_dev *pdev) | |
5920 | { | |
5921 | /* | |
da0dc9fb | 5922 | * All our controllers are capable of performing 64-bit DMA |
31ea7088 | 5923 | */ |
5924 | if (IS_DMA64) { | |
6a35528a | 5925 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) { |
31ea7088 | 5926 | |
284901a9 | 5927 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) |
31ea7088 | 5928 | goto fail_set_dma_mask; |
5929 | } | |
5930 | } else { | |
284901a9 | 5931 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) |
31ea7088 | 5932 | goto fail_set_dma_mask; |
5933 | } | |
46de63e2 SS |
5934 | /* |
5935 | * Ensure that all data structures are allocated in 32-bit | |
5936 | * memory. | |
5937 | */ | |
5938 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { | |
5939 | /* Try 32bit DMA mask and 32 bit Consistent dma mask */ | |
5940 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) | |
5941 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
5942 | dev_info(&pdev->dev, "set 32bit DMA mask" | |
5943 | "and 32 bit consistent mask\n"); | |
5944 | else | |
5945 | goto fail_set_dma_mask; | |
5946 | } | |
94cd65dd | 5947 | |
31ea7088 | 5948 | return 0; |
5949 | ||
5950 | fail_set_dma_mask: | |
5951 | return 1; | |
5952 | } | |
5953 | ||
c4a3e0a5 BS |
5954 | /** |
5955 | * megasas_probe_one - PCI hotplug entry point | |
5956 | * @pdev: PCI device structure | |
0d49016b | 5957 | * @id: PCI ids of supported hotplugged adapter |
c4a3e0a5 | 5958 | */ |
6f039790 GKH |
5959 | static int megasas_probe_one(struct pci_dev *pdev, |
5960 | const struct pci_device_id *id) | |
c4a3e0a5 | 5961 | { |
d3557fc8 | 5962 | int rval, pos; |
c4a3e0a5 BS |
5963 | struct Scsi_Host *host; |
5964 | struct megasas_instance *instance; | |
66192dfe | 5965 | u16 control = 0; |
51087a86 | 5966 | struct fusion_context *fusion = NULL; |
66192dfe AR |
5967 | |
5968 | /* Reset MSI-X in the kdump kernel */ | |
5969 | if (reset_devices) { | |
5970 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
5971 | if (pos) { | |
99369065 | 5972 | pci_read_config_word(pdev, pos + PCI_MSIX_FLAGS, |
66192dfe AR |
5973 | &control); |
5974 | if (control & PCI_MSIX_FLAGS_ENABLE) { | |
5975 | dev_info(&pdev->dev, "resetting MSI-X\n"); | |
5976 | pci_write_config_word(pdev, | |
99369065 | 5977 | pos + PCI_MSIX_FLAGS, |
66192dfe AR |
5978 | control & |
5979 | ~PCI_MSIX_FLAGS_ENABLE); | |
5980 | } | |
5981 | } | |
5982 | } | |
c4a3e0a5 | 5983 | |
c4a3e0a5 BS |
5984 | /* |
5985 | * PCI prepping: enable device set bus mastering and dma mask | |
5986 | */ | |
aeab3fd7 | 5987 | rval = pci_enable_device_mem(pdev); |
c4a3e0a5 BS |
5988 | |
5989 | if (rval) { | |
5990 | return rval; | |
5991 | } | |
5992 | ||
5993 | pci_set_master(pdev); | |
5994 | ||
31ea7088 | 5995 | if (megasas_set_dma_mask(pdev)) |
5996 | goto fail_set_dma_mask; | |
c4a3e0a5 BS |
5997 | |
5998 | host = scsi_host_alloc(&megasas_template, | |
5999 | sizeof(struct megasas_instance)); | |
6000 | ||
6001 | if (!host) { | |
1be18254 | 6002 | dev_printk(KERN_DEBUG, &pdev->dev, "scsi_host_alloc failed\n"); |
c4a3e0a5 BS |
6003 | goto fail_alloc_instance; |
6004 | } | |
6005 | ||
6006 | instance = (struct megasas_instance *)host->hostdata; | |
6007 | memset(instance, 0, sizeof(*instance)); | |
da0dc9fb | 6008 | atomic_set(&instance->fw_reset_no_pci_access, 0); |
9c915a8c | 6009 | instance->pdev = pdev; |
c4a3e0a5 | 6010 | |
9c915a8c | 6011 | switch (instance->pdev->device) { |
45f4f2eb SC |
6012 | case PCI_DEVICE_ID_LSI_VENTURA: |
6013 | case PCI_DEVICE_ID_LSI_HARPOON: | |
6014 | case PCI_DEVICE_ID_LSI_TOMCAT: | |
6015 | case PCI_DEVICE_ID_LSI_VENTURA_4PORT: | |
6016 | case PCI_DEVICE_ID_LSI_CRUSADER_4PORT: | |
6017 | instance->is_ventura = true; | |
9c915a8c | 6018 | case PCI_DEVICE_ID_LSI_FUSION: |
229fe47c | 6019 | case PCI_DEVICE_ID_LSI_PLASMA: |
36807e67 | 6020 | case PCI_DEVICE_ID_LSI_INVADER: |
21d3c710 | 6021 | case PCI_DEVICE_ID_LSI_FURY: |
90c204bc | 6022 | case PCI_DEVICE_ID_LSI_INTRUDER: |
6023 | case PCI_DEVICE_ID_LSI_INTRUDER_24: | |
7364d34b | 6024 | case PCI_DEVICE_ID_LSI_CUTLASS_52: |
6025 | case PCI_DEVICE_ID_LSI_CUTLASS_53: | |
9c915a8c | 6026 | { |
5fc499b6 S |
6027 | if (megasas_alloc_fusion_context(instance)) { |
6028 | megasas_free_fusion_context(instance); | |
9c915a8c AR |
6029 | goto fail_alloc_dma_buf; |
6030 | } | |
6031 | fusion = instance->ctrl_context; | |
5fc499b6 | 6032 | |
5a8cb85b | 6033 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || |
6034 | (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA)) | |
6035 | fusion->adapter_type = THUNDERBOLT_SERIES; | |
9581ebeb SC |
6036 | else if (instance->is_ventura) |
6037 | fusion->adapter_type = VENTURA_SERIES; | |
6038 | else | |
5a8cb85b | 6039 | fusion->adapter_type = INVADER_SERIES; |
9c915a8c AR |
6040 | } |
6041 | break; | |
6042 | default: /* For all other supported controllers */ | |
6043 | ||
6044 | instance->producer = | |
6045 | pci_alloc_consistent(pdev, sizeof(u32), | |
6046 | &instance->producer_h); | |
6047 | instance->consumer = | |
6048 | pci_alloc_consistent(pdev, sizeof(u32), | |
6049 | &instance->consumer_h); | |
6050 | ||
6051 | if (!instance->producer || !instance->consumer) { | |
4086eae5 | 6052 | dev_printk(KERN_DEBUG, &pdev->dev, "Failed to allocate " |
9c915a8c AR |
6053 | "memory for producer, consumer\n"); |
6054 | goto fail_alloc_dma_buf; | |
6055 | } | |
c4a3e0a5 | 6056 | |
9c915a8c AR |
6057 | *instance->producer = 0; |
6058 | *instance->consumer = 0; | |
6059 | break; | |
c4a3e0a5 BS |
6060 | } |
6061 | ||
fc62b3fc SS |
6062 | /* Crash dump feature related initialisation*/ |
6063 | instance->drv_buf_index = 0; | |
6064 | instance->drv_buf_alloc = 0; | |
6065 | instance->crash_dump_fw_support = 0; | |
6066 | instance->crash_dump_app_support = 0; | |
6067 | instance->fw_crash_state = UNAVAILABLE; | |
6068 | spin_lock_init(&instance->crashdump_lock); | |
6069 | instance->crash_dump_buf = NULL; | |
6070 | ||
c3518837 | 6071 | megasas_poll_wait_aen = 0; |
f4c9a131 | 6072 | instance->flag_ieee = 0; |
7e8a75f4 | 6073 | instance->ev = NULL; |
39a98554 | 6074 | instance->issuepend_done = 1; |
8a01a41d | 6075 | atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); |
404a8a1a | 6076 | instance->is_imr = 0; |
c4a3e0a5 BS |
6077 | |
6078 | instance->evt_detail = pci_alloc_consistent(pdev, | |
6079 | sizeof(struct | |
6080 | megasas_evt_detail), | |
6081 | &instance->evt_detail_h); | |
6082 | ||
6083 | if (!instance->evt_detail) { | |
1be18254 | 6084 | dev_printk(KERN_DEBUG, &pdev->dev, "Failed to allocate memory for " |
c4a3e0a5 BS |
6085 | "event detail structure\n"); |
6086 | goto fail_alloc_dma_buf; | |
6087 | } | |
6088 | ||
c3e385a1 SS |
6089 | if (!reset_devices) { |
6090 | instance->system_info_buf = pci_zalloc_consistent(pdev, | |
6091 | sizeof(struct MR_DRV_SYSTEM_INFO), | |
6092 | &instance->system_info_h); | |
6093 | if (!instance->system_info_buf) | |
6094 | dev_info(&instance->pdev->dev, "Can't allocate system info buffer\n"); | |
6095 | ||
6096 | instance->pd_info = pci_alloc_consistent(pdev, | |
6097 | sizeof(struct MR_PD_INFO), &instance->pd_info_h); | |
2216c305 | 6098 | |
96188a89 S |
6099 | instance->pd_info = pci_alloc_consistent(pdev, |
6100 | sizeof(struct MR_PD_INFO), &instance->pd_info_h); | |
6101 | instance->tgt_prop = pci_alloc_consistent(pdev, | |
6102 | sizeof(struct MR_TARGET_PROPERTIES), &instance->tgt_prop_h); | |
6103 | ||
c3e385a1 SS |
6104 | if (!instance->pd_info) |
6105 | dev_err(&instance->pdev->dev, "Failed to alloc mem for pd_info\n"); | |
6106 | ||
96188a89 S |
6107 | if (!instance->tgt_prop) |
6108 | dev_err(&instance->pdev->dev, "Failed to alloc mem for tgt_prop\n"); | |
6109 | ||
c3e385a1 SS |
6110 | instance->crash_dump_buf = pci_alloc_consistent(pdev, |
6111 | CRASH_DMA_BUF_SIZE, | |
6112 | &instance->crash_dump_h); | |
6113 | if (!instance->crash_dump_buf) | |
6114 | dev_err(&pdev->dev, "Can't allocate Firmware " | |
6115 | "crash dump DMA buffer\n"); | |
6116 | } | |
2216c305 | 6117 | |
c4a3e0a5 BS |
6118 | /* |
6119 | * Initialize locks and queues | |
6120 | */ | |
6121 | INIT_LIST_HEAD(&instance->cmd_pool); | |
39a98554 | 6122 | INIT_LIST_HEAD(&instance->internal_reset_pending_q); |
c4a3e0a5 | 6123 | |
e4a082c7 SP |
6124 | atomic_set(&instance->fw_outstanding,0); |
6125 | ||
c4a3e0a5 BS |
6126 | init_waitqueue_head(&instance->int_cmd_wait_q); |
6127 | init_waitqueue_head(&instance->abort_cmd_wait_q); | |
6128 | ||
90dc9d98 | 6129 | spin_lock_init(&instance->mfi_pool_lock); |
39a98554 | 6130 | spin_lock_init(&instance->hba_lock); |
fdd84e25 | 6131 | spin_lock_init(&instance->stream_lock); |
7343eb65 | 6132 | spin_lock_init(&instance->completion_lock); |
c4a3e0a5 | 6133 | |
9c915a8c | 6134 | mutex_init(&instance->reset_mutex); |
2216c305 | 6135 | mutex_init(&instance->hba_mutex); |
c4a3e0a5 BS |
6136 | |
6137 | /* | |
6138 | * Initialize PCI related and misc parameters | |
6139 | */ | |
c4a3e0a5 BS |
6140 | instance->host = host; |
6141 | instance->unique_id = pdev->bus->number << 8 | pdev->devfn; | |
6142 | instance->init_id = MEGASAS_DEFAULT_INIT_ID; | |
51087a86 | 6143 | instance->ctrl_info = NULL; |
c4a3e0a5 | 6144 | |
ae09a6c1 | 6145 | |
7bebf5c7 | 6146 | if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || |
ae09a6c1 | 6147 | (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) |
f4c9a131 | 6148 | instance->flag_ieee = 1; |
7bebf5c7 | 6149 | |
658dcedb | 6150 | megasas_dbg_lvl = 0; |
05e9ebbe | 6151 | instance->flag = 0; |
0c79e681 | 6152 | instance->unload = 1; |
05e9ebbe | 6153 | instance->last_time = 0; |
39a98554 | 6154 | instance->disableOnlineCtrlReset = 1; |
bc93d425 | 6155 | instance->UnevenSpanSupport = 0; |
39a98554 | 6156 | |
5a8cb85b | 6157 | if (instance->ctrl_context) { |
9c915a8c | 6158 | INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq); |
fc62b3fc SS |
6159 | INIT_WORK(&instance->crash_init, megasas_fusion_crash_dump_wq); |
6160 | } else | |
9c915a8c | 6161 | INIT_WORK(&instance->work_init, process_fw_state_change_wq); |
658dcedb | 6162 | |
0a77066a AR |
6163 | /* |
6164 | * Initialize MFI Firmware | |
6165 | */ | |
6166 | if (megasas_init_fw(instance)) | |
6167 | goto fail_init_mfi; | |
6168 | ||
229fe47c AR |
6169 | if (instance->requestorId) { |
6170 | if (instance->PlasmaFW111) { | |
6171 | instance->vf_affiliation_111 = | |
6172 | pci_alloc_consistent(pdev, sizeof(struct MR_LD_VF_AFFILIATION_111), | |
6173 | &instance->vf_affiliation_111_h); | |
6174 | if (!instance->vf_affiliation_111) | |
1be18254 | 6175 | dev_warn(&pdev->dev, "Can't allocate " |
229fe47c AR |
6176 | "memory for VF affiliation buffer\n"); |
6177 | } else { | |
6178 | instance->vf_affiliation = | |
6179 | pci_alloc_consistent(pdev, | |
6180 | (MAX_LOGICAL_DRIVES + 1) * | |
6181 | sizeof(struct MR_LD_VF_AFFILIATION), | |
6182 | &instance->vf_affiliation_h); | |
6183 | if (!instance->vf_affiliation) | |
1be18254 | 6184 | dev_warn(&pdev->dev, "Can't allocate " |
229fe47c AR |
6185 | "memory for VF affiliation buffer\n"); |
6186 | } | |
6187 | } | |
6188 | ||
c4a3e0a5 BS |
6189 | /* |
6190 | * Store instance in PCI softstate | |
6191 | */ | |
6192 | pci_set_drvdata(pdev, instance); | |
6193 | ||
6194 | /* | |
6195 | * Add this controller to megasas_mgmt_info structure so that it | |
6196 | * can be exported to management applications | |
6197 | */ | |
6198 | megasas_mgmt_info.count++; | |
6199 | megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = instance; | |
6200 | megasas_mgmt_info.max_index++; | |
6201 | ||
541f90b7 AR |
6202 | /* |
6203 | * Register with SCSI mid-layer | |
6204 | */ | |
6205 | if (megasas_io_attach(instance)) | |
6206 | goto fail_io_attach; | |
6207 | ||
6208 | instance->unload = 0; | |
aa00832b SS |
6209 | /* |
6210 | * Trigger SCSI to scan our drives | |
6211 | */ | |
6212 | scsi_scan_host(host); | |
541f90b7 | 6213 | |
c4a3e0a5 BS |
6214 | /* |
6215 | * Initiate AEN (Asynchronous Event Notification) | |
6216 | */ | |
6217 | if (megasas_start_aen(instance)) { | |
1be18254 | 6218 | dev_printk(KERN_DEBUG, &pdev->dev, "start aen failed\n"); |
c4a3e0a5 BS |
6219 | goto fail_start_aen; |
6220 | } | |
6221 | ||
9ea81f81 AR |
6222 | /* Get current SR-IOV LD/VF affiliation */ |
6223 | if (instance->requestorId) | |
6224 | megasas_get_ld_vf_affiliation(instance, 1); | |
6225 | ||
c4a3e0a5 BS |
6226 | return 0; |
6227 | ||
da0dc9fb BH |
6228 | fail_start_aen: |
6229 | fail_io_attach: | |
c4a3e0a5 BS |
6230 | megasas_mgmt_info.count--; |
6231 | megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL; | |
6232 | megasas_mgmt_info.max_index--; | |
6233 | ||
d46a3ad6 | 6234 | instance->instancet->disable_intr(instance); |
d3557fc8 SS |
6235 | megasas_destroy_irqs(instance); |
6236 | ||
5a8cb85b | 6237 | if (instance->ctrl_context) |
eb1b1237 AR |
6238 | megasas_release_fusion(instance); |
6239 | else | |
6240 | megasas_release_mfi(instance); | |
c8e858fe | 6241 | if (instance->msix_vectors) |
fad119b7 | 6242 | pci_free_irq_vectors(instance->pdev); |
d3557fc8 | 6243 | fail_init_mfi: |
da0dc9fb | 6244 | fail_alloc_dma_buf: |
c4a3e0a5 BS |
6245 | if (instance->evt_detail) |
6246 | pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), | |
6247 | instance->evt_detail, | |
6248 | instance->evt_detail_h); | |
6249 | ||
2216c305 SS |
6250 | if (instance->pd_info) |
6251 | pci_free_consistent(pdev, sizeof(struct MR_PD_INFO), | |
6252 | instance->pd_info, | |
6253 | instance->pd_info_h); | |
96188a89 S |
6254 | if (instance->tgt_prop) |
6255 | pci_free_consistent(pdev, sizeof(struct MR_TARGET_PROPERTIES), | |
6256 | instance->tgt_prop, | |
6257 | instance->tgt_prop_h); | |
eb1b1237 | 6258 | if (instance->producer) |
c4a3e0a5 BS |
6259 | pci_free_consistent(pdev, sizeof(u32), instance->producer, |
6260 | instance->producer_h); | |
6261 | if (instance->consumer) | |
6262 | pci_free_consistent(pdev, sizeof(u32), instance->consumer, | |
6263 | instance->consumer_h); | |
6264 | scsi_host_put(host); | |
6265 | ||
da0dc9fb BH |
6266 | fail_alloc_instance: |
6267 | fail_set_dma_mask: | |
c4a3e0a5 BS |
6268 | pci_disable_device(pdev); |
6269 | ||
6270 | return -ENODEV; | |
6271 | } | |
6272 | ||
6273 | /** | |
6274 | * megasas_flush_cache - Requests FW to flush all its caches | |
6275 | * @instance: Adapter soft state | |
6276 | */ | |
6277 | static void megasas_flush_cache(struct megasas_instance *instance) | |
6278 | { | |
6279 | struct megasas_cmd *cmd; | |
6280 | struct megasas_dcmd_frame *dcmd; | |
6281 | ||
8a01a41d | 6282 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
39a98554 | 6283 | return; |
6284 | ||
c4a3e0a5 BS |
6285 | cmd = megasas_get_cmd(instance); |
6286 | ||
6287 | if (!cmd) | |
6288 | return; | |
6289 | ||
6290 | dcmd = &cmd->frame->dcmd; | |
6291 | ||
6292 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
6293 | ||
6294 | dcmd->cmd = MFI_CMD_DCMD; | |
6295 | dcmd->cmd_status = 0x0; | |
6296 | dcmd->sge_count = 0; | |
94cd65dd | 6297 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); |
c4a3e0a5 | 6298 | dcmd->timeout = 0; |
780a3762 | 6299 | dcmd->pad_0 = 0; |
c4a3e0a5 | 6300 | dcmd->data_xfer_len = 0; |
94cd65dd | 6301 | dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_CACHE_FLUSH); |
c4a3e0a5 BS |
6302 | dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE; |
6303 | ||
6d40afbc SS |
6304 | if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) |
6305 | != DCMD_SUCCESS) { | |
6306 | dev_err(&instance->pdev->dev, | |
6307 | "return from %s %d\n", __func__, __LINE__); | |
6308 | return; | |
6309 | } | |
c4a3e0a5 | 6310 | |
4026e9aa | 6311 | megasas_return_cmd(instance, cmd); |
c4a3e0a5 BS |
6312 | } |
6313 | ||
6314 | /** | |
6315 | * megasas_shutdown_controller - Instructs FW to shutdown the controller | |
6316 | * @instance: Adapter soft state | |
31ea7088 | 6317 | * @opcode: Shutdown/Hibernate |
c4a3e0a5 | 6318 | */ |
31ea7088 | 6319 | static void megasas_shutdown_controller(struct megasas_instance *instance, |
6320 | u32 opcode) | |
c4a3e0a5 BS |
6321 | { |
6322 | struct megasas_cmd *cmd; | |
6323 | struct megasas_dcmd_frame *dcmd; | |
6324 | ||
8a01a41d | 6325 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) |
39a98554 | 6326 | return; |
6327 | ||
c4a3e0a5 BS |
6328 | cmd = megasas_get_cmd(instance); |
6329 | ||
6330 | if (!cmd) | |
6331 | return; | |
6332 | ||
6333 | if (instance->aen_cmd) | |
cfbe7554 | 6334 | megasas_issue_blocked_abort_cmd(instance, |
6d40afbc | 6335 | instance->aen_cmd, MFI_IO_TIMEOUT_SECS); |
9c915a8c AR |
6336 | if (instance->map_update_cmd) |
6337 | megasas_issue_blocked_abort_cmd(instance, | |
6d40afbc | 6338 | instance->map_update_cmd, MFI_IO_TIMEOUT_SECS); |
3761cb4c | 6339 | if (instance->jbod_seq_cmd) |
6340 | megasas_issue_blocked_abort_cmd(instance, | |
6d40afbc | 6341 | instance->jbod_seq_cmd, MFI_IO_TIMEOUT_SECS); |
3761cb4c | 6342 | |
c4a3e0a5 BS |
6343 | dcmd = &cmd->frame->dcmd; |
6344 | ||
6345 | memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); | |
6346 | ||
6347 | dcmd->cmd = MFI_CMD_DCMD; | |
6348 | dcmd->cmd_status = 0x0; | |
6349 | dcmd->sge_count = 0; | |
94cd65dd | 6350 | dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); |
c4a3e0a5 | 6351 | dcmd->timeout = 0; |
780a3762 | 6352 | dcmd->pad_0 = 0; |
c4a3e0a5 | 6353 | dcmd->data_xfer_len = 0; |
94cd65dd | 6354 | dcmd->opcode = cpu_to_le32(opcode); |
c4a3e0a5 | 6355 | |
6d40afbc SS |
6356 | if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) |
6357 | != DCMD_SUCCESS) { | |
6358 | dev_err(&instance->pdev->dev, | |
6359 | "return from %s %d\n", __func__, __LINE__); | |
6360 | return; | |
6361 | } | |
c4a3e0a5 | 6362 | |
4026e9aa | 6363 | megasas_return_cmd(instance, cmd); |
c4a3e0a5 BS |
6364 | } |
6365 | ||
33139b21 | 6366 | #ifdef CONFIG_PM |
31ea7088 | 6367 | /** |
ad84db2e | 6368 | * megasas_suspend - driver suspend entry point |
6369 | * @pdev: PCI device structure | |
31ea7088 | 6370 | * @state: PCI power state to suspend routine |
6371 | */ | |
33139b21 | 6372 | static int |
31ea7088 | 6373 | megasas_suspend(struct pci_dev *pdev, pm_message_t state) |
6374 | { | |
6375 | struct Scsi_Host *host; | |
6376 | struct megasas_instance *instance; | |
6377 | ||
6378 | instance = pci_get_drvdata(pdev); | |
6379 | host = instance->host; | |
0c79e681 | 6380 | instance->unload = 1; |
31ea7088 | 6381 | |
229fe47c AR |
6382 | /* Shutdown SR-IOV heartbeat timer */ |
6383 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) | |
6384 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
6385 | ||
31ea7088 | 6386 | megasas_flush_cache(instance); |
6387 | megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN); | |
7e8a75f4 YB |
6388 | |
6389 | /* cancel the delayed work if this work still in queue */ | |
6390 | if (instance->ev != NULL) { | |
6391 | struct megasas_aen_event *ev = instance->ev; | |
c1d390d8 | 6392 | cancel_delayed_work_sync(&ev->hotplug_work); |
7e8a75f4 YB |
6393 | instance->ev = NULL; |
6394 | } | |
6395 | ||
31ea7088 | 6396 | tasklet_kill(&instance->isr_tasklet); |
6397 | ||
6398 | pci_set_drvdata(instance->pdev, instance); | |
d46a3ad6 | 6399 | instance->instancet->disable_intr(instance); |
c8e858fe | 6400 | |
d3557fc8 SS |
6401 | megasas_destroy_irqs(instance); |
6402 | ||
c8e858fe | 6403 | if (instance->msix_vectors) |
fad119b7 | 6404 | pci_free_irq_vectors(instance->pdev); |
31ea7088 | 6405 | |
6406 | pci_save_state(pdev); | |
6407 | pci_disable_device(pdev); | |
6408 | ||
6409 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
6410 | ||
6411 | return 0; | |
6412 | } | |
6413 | ||
6414 | /** | |
6415 | * megasas_resume- driver resume entry point | |
6416 | * @pdev: PCI device structure | |
6417 | */ | |
33139b21 | 6418 | static int |
31ea7088 | 6419 | megasas_resume(struct pci_dev *pdev) |
6420 | { | |
d3557fc8 | 6421 | int rval; |
31ea7088 | 6422 | struct Scsi_Host *host; |
6423 | struct megasas_instance *instance; | |
fad119b7 | 6424 | int irq_flags = PCI_IRQ_LEGACY; |
31ea7088 | 6425 | |
6426 | instance = pci_get_drvdata(pdev); | |
6427 | host = instance->host; | |
6428 | pci_set_power_state(pdev, PCI_D0); | |
6429 | pci_enable_wake(pdev, PCI_D0, 0); | |
6430 | pci_restore_state(pdev); | |
6431 | ||
6432 | /* | |
6433 | * PCI prepping: enable device set bus mastering and dma mask | |
6434 | */ | |
aeab3fd7 | 6435 | rval = pci_enable_device_mem(pdev); |
31ea7088 | 6436 | |
6437 | if (rval) { | |
1be18254 | 6438 | dev_err(&pdev->dev, "Enable device failed\n"); |
31ea7088 | 6439 | return rval; |
6440 | } | |
6441 | ||
6442 | pci_set_master(pdev); | |
6443 | ||
6444 | if (megasas_set_dma_mask(pdev)) | |
6445 | goto fail_set_dma_mask; | |
6446 | ||
6447 | /* | |
6448 | * Initialize MFI Firmware | |
6449 | */ | |
6450 | ||
31ea7088 | 6451 | atomic_set(&instance->fw_outstanding, 0); |
6452 | ||
6453 | /* | |
6454 | * We expect the FW state to be READY | |
6455 | */ | |
058a8fac | 6456 | if (megasas_transition_to_ready(instance, 0)) |
31ea7088 | 6457 | goto fail_ready_state; |
6458 | ||
3f1abce4 | 6459 | /* Now re-enable MSI-X */ |
fad119b7 HR |
6460 | if (instance->msix_vectors) { |
6461 | irq_flags = PCI_IRQ_MSIX; | |
6462 | if (smp_affinity_enable) | |
6463 | irq_flags |= PCI_IRQ_AFFINITY; | |
6464 | } | |
6465 | rval = pci_alloc_irq_vectors(instance->pdev, 1, | |
6466 | instance->msix_vectors ? | |
6467 | instance->msix_vectors : 1, irq_flags); | |
6468 | if (rval < 0) | |
dd088128 | 6469 | goto fail_reenable_msix; |
3f1abce4 | 6470 | |
5a8cb85b | 6471 | if (instance->ctrl_context) { |
9c915a8c AR |
6472 | megasas_reset_reply_desc(instance); |
6473 | if (megasas_ioc_init_fusion(instance)) { | |
6474 | megasas_free_cmds(instance); | |
6475 | megasas_free_cmds_fusion(instance); | |
6476 | goto fail_init_mfi; | |
6477 | } | |
6478 | if (!megasas_get_map_info(instance)) | |
6479 | megasas_sync_map_info(instance); | |
5a8cb85b | 6480 | } else { |
9c915a8c AR |
6481 | *instance->producer = 0; |
6482 | *instance->consumer = 0; | |
6483 | if (megasas_issue_init_mfi(instance)) | |
6484 | goto fail_init_mfi; | |
9c915a8c | 6485 | } |
31ea7088 | 6486 | |
9c915a8c AR |
6487 | tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, |
6488 | (unsigned long)instance); | |
31ea7088 | 6489 | |
d3557fc8 SS |
6490 | if (instance->msix_vectors ? |
6491 | megasas_setup_irqs_msix(instance, 0) : | |
6492 | megasas_setup_irqs_ioapic(instance)) | |
6493 | goto fail_init_mfi; | |
31ea7088 | 6494 | |
229fe47c AR |
6495 | /* Re-launch SR-IOV heartbeat timer */ |
6496 | if (instance->requestorId) { | |
6497 | if (!megasas_sriov_start_heartbeat(instance, 0)) | |
6498 | megasas_start_timer(instance, | |
6499 | &instance->sriov_heartbeat_timer, | |
6500 | megasas_sriov_heartbeat_handler, | |
6501 | MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); | |
5765c5b8 | 6502 | else { |
229fe47c | 6503 | instance->skip_heartbeat_timer_del = 1; |
5765c5b8 SS |
6504 | goto fail_init_mfi; |
6505 | } | |
229fe47c AR |
6506 | } |
6507 | ||
d46a3ad6 | 6508 | instance->instancet->enable_intr(instance); |
3761cb4c | 6509 | megasas_setup_jbod_map(instance); |
0c79e681 YB |
6510 | instance->unload = 0; |
6511 | ||
541f90b7 AR |
6512 | /* |
6513 | * Initiate AEN (Asynchronous Event Notification) | |
6514 | */ | |
6515 | if (megasas_start_aen(instance)) | |
1be18254 | 6516 | dev_err(&instance->pdev->dev, "Start AEN failed\n"); |
541f90b7 | 6517 | |
31ea7088 | 6518 | return 0; |
6519 | ||
31ea7088 | 6520 | fail_init_mfi: |
6521 | if (instance->evt_detail) | |
6522 | pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), | |
6523 | instance->evt_detail, | |
6524 | instance->evt_detail_h); | |
6525 | ||
2216c305 SS |
6526 | if (instance->pd_info) |
6527 | pci_free_consistent(pdev, sizeof(struct MR_PD_INFO), | |
6528 | instance->pd_info, | |
6529 | instance->pd_info_h); | |
96188a89 S |
6530 | if (instance->tgt_prop) |
6531 | pci_free_consistent(pdev, sizeof(struct MR_TARGET_PROPERTIES), | |
6532 | instance->tgt_prop, | |
6533 | instance->tgt_prop_h); | |
31ea7088 | 6534 | if (instance->producer) |
6535 | pci_free_consistent(pdev, sizeof(u32), instance->producer, | |
6536 | instance->producer_h); | |
6537 | if (instance->consumer) | |
6538 | pci_free_consistent(pdev, sizeof(u32), instance->consumer, | |
6539 | instance->consumer_h); | |
6540 | scsi_host_put(host); | |
6541 | ||
6542 | fail_set_dma_mask: | |
6543 | fail_ready_state: | |
dd088128 | 6544 | fail_reenable_msix: |
31ea7088 | 6545 | |
6546 | pci_disable_device(pdev); | |
6547 | ||
6548 | return -ENODEV; | |
6549 | } | |
33139b21 JS |
6550 | #else |
6551 | #define megasas_suspend NULL | |
6552 | #define megasas_resume NULL | |
6553 | #endif | |
31ea7088 | 6554 | |
a1dfd62c KD |
6555 | static inline int |
6556 | megasas_wait_for_adapter_operational(struct megasas_instance *instance) | |
6557 | { | |
6558 | int wait_time = MEGASAS_RESET_WAIT_TIME * 2; | |
6559 | int i; | |
6560 | ||
6561 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) | |
6562 | return 1; | |
6563 | ||
6564 | for (i = 0; i < wait_time; i++) { | |
6565 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) | |
6566 | break; | |
6567 | ||
6568 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) | |
6569 | dev_notice(&instance->pdev->dev, "waiting for controller reset to finish\n"); | |
6570 | ||
6571 | msleep(1000); | |
6572 | } | |
6573 | ||
6574 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { | |
6575 | dev_info(&instance->pdev->dev, "%s timed out while waiting for HBA to recover.\n", | |
6576 | __func__); | |
6577 | return 1; | |
6578 | } | |
6579 | ||
6580 | return 0; | |
6581 | } | |
6582 | ||
c4a3e0a5 BS |
6583 | /** |
6584 | * megasas_detach_one - PCI hot"un"plug entry point | |
6585 | * @pdev: PCI device structure | |
6586 | */ | |
6f039790 | 6587 | static void megasas_detach_one(struct pci_dev *pdev) |
c4a3e0a5 BS |
6588 | { |
6589 | int i; | |
6590 | struct Scsi_Host *host; | |
6591 | struct megasas_instance *instance; | |
9c915a8c | 6592 | struct fusion_context *fusion; |
3761cb4c | 6593 | u32 pd_seq_map_sz; |
c4a3e0a5 BS |
6594 | |
6595 | instance = pci_get_drvdata(pdev); | |
c3518837 | 6596 | instance->unload = 1; |
c4a3e0a5 | 6597 | host = instance->host; |
9c915a8c | 6598 | fusion = instance->ctrl_context; |
c4a3e0a5 | 6599 | |
229fe47c AR |
6600 | /* Shutdown SR-IOV heartbeat timer */ |
6601 | if (instance->requestorId && !instance->skip_heartbeat_timer_del) | |
6602 | del_timer_sync(&instance->sriov_heartbeat_timer); | |
6603 | ||
fc62b3fc SS |
6604 | if (instance->fw_crash_state != UNAVAILABLE) |
6605 | megasas_free_host_crash_buffer(instance); | |
c4a3e0a5 | 6606 | scsi_remove_host(instance->host); |
a1dfd62c KD |
6607 | |
6608 | if (megasas_wait_for_adapter_operational(instance)) | |
6609 | goto skip_firing_dcmds; | |
6610 | ||
c4a3e0a5 | 6611 | megasas_flush_cache(instance); |
31ea7088 | 6612 | megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); |
7e8a75f4 | 6613 | |
a1dfd62c | 6614 | skip_firing_dcmds: |
7e8a75f4 YB |
6615 | /* cancel the delayed work if this work still in queue*/ |
6616 | if (instance->ev != NULL) { | |
6617 | struct megasas_aen_event *ev = instance->ev; | |
c1d390d8 | 6618 | cancel_delayed_work_sync(&ev->hotplug_work); |
7e8a75f4 YB |
6619 | instance->ev = NULL; |
6620 | } | |
6621 | ||
cfbe7554 SS |
6622 | /* cancel all wait events */ |
6623 | wake_up_all(&instance->int_cmd_wait_q); | |
6624 | ||
5d018ad0 | 6625 | tasklet_kill(&instance->isr_tasklet); |
c4a3e0a5 BS |
6626 | |
6627 | /* | |
6628 | * Take the instance off the instance array. Note that we will not | |
6629 | * decrement the max_index. We let this array be sparse array | |
6630 | */ | |
6631 | for (i = 0; i < megasas_mgmt_info.max_index; i++) { | |
6632 | if (megasas_mgmt_info.instance[i] == instance) { | |
6633 | megasas_mgmt_info.count--; | |
6634 | megasas_mgmt_info.instance[i] = NULL; | |
6635 | ||
6636 | break; | |
6637 | } | |
6638 | } | |
6639 | ||
d46a3ad6 | 6640 | instance->instancet->disable_intr(instance); |
c4a3e0a5 | 6641 | |
d3557fc8 SS |
6642 | megasas_destroy_irqs(instance); |
6643 | ||
c8e858fe | 6644 | if (instance->msix_vectors) |
fad119b7 | 6645 | pci_free_irq_vectors(instance->pdev); |
c4a3e0a5 | 6646 | |
fdd84e25 SC |
6647 | if (instance->is_ventura) { |
6648 | for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i) | |
6649 | kfree(fusion->stream_detect_by_ld[i]); | |
6650 | kfree(fusion->stream_detect_by_ld); | |
6651 | fusion->stream_detect_by_ld = NULL; | |
6652 | } | |
6653 | ||
6654 | ||
5a8cb85b | 6655 | if (instance->ctrl_context) { |
9c915a8c | 6656 | megasas_release_fusion(instance); |
3761cb4c | 6657 | pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + |
6658 | (sizeof(struct MR_PD_CFG_SEQ) * | |
6659 | (MAX_PHYSICAL_DEVICES - 1)); | |
51087a86 | 6660 | for (i = 0; i < 2 ; i++) { |
9c915a8c AR |
6661 | if (fusion->ld_map[i]) |
6662 | dma_free_coherent(&instance->pdev->dev, | |
51087a86 | 6663 | fusion->max_map_sz, |
9c915a8c | 6664 | fusion->ld_map[i], |
51087a86 SS |
6665 | fusion->ld_map_phys[i]); |
6666 | if (fusion->ld_drv_map[i]) | |
6667 | free_pages((ulong)fusion->ld_drv_map[i], | |
6668 | fusion->drv_map_pages); | |
546e559c ML |
6669 | if (fusion->pd_seq_sync[i]) |
6670 | dma_free_coherent(&instance->pdev->dev, | |
6671 | pd_seq_map_sz, | |
6672 | fusion->pd_seq_sync[i], | |
6673 | fusion->pd_seq_phys[i]); | |
51087a86 | 6674 | } |
5fc499b6 | 6675 | megasas_free_fusion_context(instance); |
5a8cb85b | 6676 | } else { |
9c915a8c | 6677 | megasas_release_mfi(instance); |
9c915a8c AR |
6678 | pci_free_consistent(pdev, sizeof(u32), |
6679 | instance->producer, | |
6680 | instance->producer_h); | |
6681 | pci_free_consistent(pdev, sizeof(u32), | |
6682 | instance->consumer, | |
6683 | instance->consumer_h); | |
9c915a8c | 6684 | } |
c4a3e0a5 | 6685 | |
51087a86 SS |
6686 | kfree(instance->ctrl_info); |
6687 | ||
105900d5 SS |
6688 | if (instance->evt_detail) |
6689 | pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), | |
6690 | instance->evt_detail, instance->evt_detail_h); | |
2216c305 SS |
6691 | if (instance->pd_info) |
6692 | pci_free_consistent(pdev, sizeof(struct MR_PD_INFO), | |
6693 | instance->pd_info, | |
6694 | instance->pd_info_h); | |
96188a89 S |
6695 | if (instance->tgt_prop) |
6696 | pci_free_consistent(pdev, sizeof(struct MR_TARGET_PROPERTIES), | |
6697 | instance->tgt_prop, | |
6698 | instance->tgt_prop_h); | |
229fe47c AR |
6699 | if (instance->vf_affiliation) |
6700 | pci_free_consistent(pdev, (MAX_LOGICAL_DRIVES + 1) * | |
6701 | sizeof(struct MR_LD_VF_AFFILIATION), | |
6702 | instance->vf_affiliation, | |
6703 | instance->vf_affiliation_h); | |
6704 | ||
6705 | if (instance->vf_affiliation_111) | |
6706 | pci_free_consistent(pdev, | |
6707 | sizeof(struct MR_LD_VF_AFFILIATION_111), | |
6708 | instance->vf_affiliation_111, | |
6709 | instance->vf_affiliation_111_h); | |
6710 | ||
6711 | if (instance->hb_host_mem) | |
6712 | pci_free_consistent(pdev, sizeof(struct MR_CTRL_HB_HOST_MEM), | |
6713 | instance->hb_host_mem, | |
6714 | instance->hb_host_mem_h); | |
6715 | ||
fc62b3fc SS |
6716 | if (instance->crash_dump_buf) |
6717 | pci_free_consistent(pdev, CRASH_DMA_BUF_SIZE, | |
6718 | instance->crash_dump_buf, instance->crash_dump_h); | |
6719 | ||
5765c5b8 SS |
6720 | if (instance->system_info_buf) |
6721 | pci_free_consistent(pdev, sizeof(struct MR_DRV_SYSTEM_INFO), | |
6722 | instance->system_info_buf, instance->system_info_h); | |
6723 | ||
c4a3e0a5 BS |
6724 | scsi_host_put(host); |
6725 | ||
c4a3e0a5 | 6726 | pci_disable_device(pdev); |
c4a3e0a5 BS |
6727 | } |
6728 | ||
6729 | /** | |
6730 | * megasas_shutdown - Shutdown entry point | |
6731 | * @device: Generic device structure | |
6732 | */ | |
6733 | static void megasas_shutdown(struct pci_dev *pdev) | |
6734 | { | |
6735 | struct megasas_instance *instance = pci_get_drvdata(pdev); | |
c8e858fe | 6736 | |
0c79e681 | 6737 | instance->unload = 1; |
a1dfd62c KD |
6738 | |
6739 | if (megasas_wait_for_adapter_operational(instance)) | |
6740 | goto skip_firing_dcmds; | |
6741 | ||
c4a3e0a5 | 6742 | megasas_flush_cache(instance); |
530e6fc1 | 6743 | megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); |
a1dfd62c KD |
6744 | |
6745 | skip_firing_dcmds: | |
d46a3ad6 | 6746 | instance->instancet->disable_intr(instance); |
d3557fc8 SS |
6747 | megasas_destroy_irqs(instance); |
6748 | ||
c8e858fe | 6749 | if (instance->msix_vectors) |
fad119b7 | 6750 | pci_free_irq_vectors(instance->pdev); |
c4a3e0a5 BS |
6751 | } |
6752 | ||
6753 | /** | |
6754 | * megasas_mgmt_open - char node "open" entry point | |
6755 | */ | |
6756 | static int megasas_mgmt_open(struct inode *inode, struct file *filep) | |
6757 | { | |
6758 | /* | |
6759 | * Allow only those users with admin rights | |
6760 | */ | |
6761 | if (!capable(CAP_SYS_ADMIN)) | |
6762 | return -EACCES; | |
6763 | ||
6764 | return 0; | |
6765 | } | |
6766 | ||
c4a3e0a5 BS |
6767 | /** |
6768 | * megasas_mgmt_fasync - Async notifier registration from applications | |
6769 | * | |
6770 | * This function adds the calling process to a driver global queue. When an | |
6771 | * event occurs, SIGIO will be sent to all processes in this queue. | |
6772 | */ | |
6773 | static int megasas_mgmt_fasync(int fd, struct file *filep, int mode) | |
6774 | { | |
6775 | int rc; | |
6776 | ||
0b950672 | 6777 | mutex_lock(&megasas_async_queue_mutex); |
c4a3e0a5 BS |
6778 | |
6779 | rc = fasync_helper(fd, filep, mode, &megasas_async_queue); | |
6780 | ||
0b950672 | 6781 | mutex_unlock(&megasas_async_queue_mutex); |
c4a3e0a5 BS |
6782 | |
6783 | if (rc >= 0) { | |
6784 | /* For sanity check when we get ioctl */ | |
6785 | filep->private_data = filep; | |
6786 | return 0; | |
6787 | } | |
6788 | ||
6789 | printk(KERN_DEBUG "megasas: fasync_helper failed [%d]\n", rc); | |
6790 | ||
6791 | return rc; | |
6792 | } | |
6793 | ||
c3518837 YB |
6794 | /** |
6795 | * megasas_mgmt_poll - char node "poll" entry point | |
6796 | * */ | |
6797 | static unsigned int megasas_mgmt_poll(struct file *file, poll_table *wait) | |
6798 | { | |
6799 | unsigned int mask; | |
6800 | unsigned long flags; | |
da0dc9fb | 6801 | |
c3518837 YB |
6802 | poll_wait(file, &megasas_poll_wait, wait); |
6803 | spin_lock_irqsave(&poll_aen_lock, flags); | |
6804 | if (megasas_poll_wait_aen) | |
da0dc9fb | 6805 | mask = (POLLIN | POLLRDNORM); |
c3518837 YB |
6806 | else |
6807 | mask = 0; | |
51087a86 | 6808 | megasas_poll_wait_aen = 0; |
c3518837 YB |
6809 | spin_unlock_irqrestore(&poll_aen_lock, flags); |
6810 | return mask; | |
6811 | } | |
6812 | ||
fc62b3fc SS |
6813 | /* |
6814 | * megasas_set_crash_dump_params_ioctl: | |
6815 | * Send CRASH_DUMP_MODE DCMD to all controllers | |
6816 | * @cmd: MFI command frame | |
6817 | */ | |
6818 | ||
da0dc9fb | 6819 | static int megasas_set_crash_dump_params_ioctl(struct megasas_cmd *cmd) |
fc62b3fc SS |
6820 | { |
6821 | struct megasas_instance *local_instance; | |
6822 | int i, error = 0; | |
6823 | int crash_support; | |
6824 | ||
6825 | crash_support = cmd->frame->dcmd.mbox.w[0]; | |
6826 | ||
6827 | for (i = 0; i < megasas_mgmt_info.max_index; i++) { | |
6828 | local_instance = megasas_mgmt_info.instance[i]; | |
6829 | if (local_instance && local_instance->crash_dump_drv_support) { | |
8a01a41d | 6830 | if ((atomic_read(&local_instance->adprecovery) == |
fc62b3fc SS |
6831 | MEGASAS_HBA_OPERATIONAL) && |
6832 | !megasas_set_crash_dump_params(local_instance, | |
6833 | crash_support)) { | |
6834 | local_instance->crash_dump_app_support = | |
6835 | crash_support; | |
6836 | dev_info(&local_instance->pdev->dev, | |
6837 | "Application firmware crash " | |
6838 | "dump mode set success\n"); | |
6839 | error = 0; | |
6840 | } else { | |
6841 | dev_info(&local_instance->pdev->dev, | |
6842 | "Application firmware crash " | |
6843 | "dump mode set failed\n"); | |
6844 | error = -1; | |
6845 | } | |
6846 | } | |
6847 | } | |
6848 | return error; | |
6849 | } | |
6850 | ||
c4a3e0a5 BS |
6851 | /** |
6852 | * megasas_mgmt_fw_ioctl - Issues management ioctls to FW | |
6853 | * @instance: Adapter soft state | |
6854 | * @argp: User's ioctl packet | |
6855 | */ | |
6856 | static int | |
6857 | megasas_mgmt_fw_ioctl(struct megasas_instance *instance, | |
6858 | struct megasas_iocpacket __user * user_ioc, | |
6859 | struct megasas_iocpacket *ioc) | |
6860 | { | |
6861 | struct megasas_sge32 *kern_sge32; | |
6862 | struct megasas_cmd *cmd; | |
6863 | void *kbuff_arr[MAX_IOCTL_SGE]; | |
6864 | dma_addr_t buf_handle = 0; | |
6865 | int error = 0, i; | |
6866 | void *sense = NULL; | |
6867 | dma_addr_t sense_handle; | |
7b2519af | 6868 | unsigned long *sense_ptr; |
c4a3e0a5 BS |
6869 | |
6870 | memset(kbuff_arr, 0, sizeof(kbuff_arr)); | |
6871 | ||
6872 | if (ioc->sge_count > MAX_IOCTL_SGE) { | |
1be18254 | 6873 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "SGE count [%d] > max limit [%d]\n", |
c4a3e0a5 BS |
6874 | ioc->sge_count, MAX_IOCTL_SGE); |
6875 | return -EINVAL; | |
6876 | } | |
6877 | ||
6878 | cmd = megasas_get_cmd(instance); | |
6879 | if (!cmd) { | |
1be18254 | 6880 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get a cmd packet\n"); |
c4a3e0a5 BS |
6881 | return -ENOMEM; |
6882 | } | |
6883 | ||
6884 | /* | |
6885 | * User's IOCTL packet has 2 frames (maximum). Copy those two | |
6886 | * frames into our cmd's frames. cmd->frame's context will get | |
6887 | * overwritten when we copy from user's frames. So set that value | |
6888 | * alone separately | |
6889 | */ | |
6890 | memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE); | |
94cd65dd | 6891 | cmd->frame->hdr.context = cpu_to_le32(cmd->index); |
c3518837 | 6892 | cmd->frame->hdr.pad_0 = 0; |
94cd65dd SS |
6893 | cmd->frame->hdr.flags &= cpu_to_le16(~(MFI_FRAME_IEEE | |
6894 | MFI_FRAME_SGL64 | | |
6895 | MFI_FRAME_SENSE64)); | |
c4a3e0a5 | 6896 | |
95c06086 S |
6897 | if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_SHUTDOWN) { |
6898 | if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) { | |
6899 | megasas_return_cmd(instance, cmd); | |
6900 | return -1; | |
6901 | } | |
6902 | } | |
6903 | ||
fc62b3fc SS |
6904 | if (cmd->frame->dcmd.opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) { |
6905 | error = megasas_set_crash_dump_params_ioctl(cmd); | |
6906 | megasas_return_cmd(instance, cmd); | |
6907 | return error; | |
6908 | } | |
6909 | ||
c4a3e0a5 BS |
6910 | /* |
6911 | * The management interface between applications and the fw uses | |
6912 | * MFI frames. E.g, RAID configuration changes, LD property changes | |
6913 | * etc are accomplishes through different kinds of MFI frames. The | |
6914 | * driver needs to care only about substituting user buffers with | |
6915 | * kernel buffers in SGLs. The location of SGL is embedded in the | |
6916 | * struct iocpacket itself. | |
6917 | */ | |
6918 | kern_sge32 = (struct megasas_sge32 *) | |
6919 | ((unsigned long)cmd->frame + ioc->sgl_off); | |
6920 | ||
6921 | /* | |
6922 | * For each user buffer, create a mirror buffer and copy in | |
6923 | */ | |
6924 | for (i = 0; i < ioc->sge_count; i++) { | |
98cb7e44 BM |
6925 | if (!ioc->sgl[i].iov_len) |
6926 | continue; | |
6927 | ||
9f35fa8a | 6928 | kbuff_arr[i] = dma_alloc_coherent(&instance->pdev->dev, |
c4a3e0a5 | 6929 | ioc->sgl[i].iov_len, |
9f35fa8a | 6930 | &buf_handle, GFP_KERNEL); |
c4a3e0a5 | 6931 | if (!kbuff_arr[i]) { |
1be18254 BH |
6932 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc " |
6933 | "kernel SGL buffer for IOCTL\n"); | |
c4a3e0a5 BS |
6934 | error = -ENOMEM; |
6935 | goto out; | |
6936 | } | |
6937 | ||
6938 | /* | |
6939 | * We don't change the dma_coherent_mask, so | |
6940 | * pci_alloc_consistent only returns 32bit addresses | |
6941 | */ | |
94cd65dd SS |
6942 | kern_sge32[i].phys_addr = cpu_to_le32(buf_handle); |
6943 | kern_sge32[i].length = cpu_to_le32(ioc->sgl[i].iov_len); | |
c4a3e0a5 BS |
6944 | |
6945 | /* | |
6946 | * We created a kernel buffer corresponding to the | |
6947 | * user buffer. Now copy in from the user buffer | |
6948 | */ | |
6949 | if (copy_from_user(kbuff_arr[i], ioc->sgl[i].iov_base, | |
6950 | (u32) (ioc->sgl[i].iov_len))) { | |
6951 | error = -EFAULT; | |
6952 | goto out; | |
6953 | } | |
6954 | } | |
6955 | ||
6956 | if (ioc->sense_len) { | |
9f35fa8a SP |
6957 | sense = dma_alloc_coherent(&instance->pdev->dev, ioc->sense_len, |
6958 | &sense_handle, GFP_KERNEL); | |
c4a3e0a5 BS |
6959 | if (!sense) { |
6960 | error = -ENOMEM; | |
6961 | goto out; | |
6962 | } | |
6963 | ||
6964 | sense_ptr = | |
7b2519af | 6965 | (unsigned long *) ((unsigned long)cmd->frame + ioc->sense_off); |
94cd65dd | 6966 | *sense_ptr = cpu_to_le32(sense_handle); |
c4a3e0a5 BS |
6967 | } |
6968 | ||
6969 | /* | |
6970 | * Set the sync_cmd flag so that the ISR knows not to complete this | |
6971 | * cmd to the SCSI mid-layer | |
6972 | */ | |
6973 | cmd->sync_cmd = 1; | |
6d40afbc SS |
6974 | if (megasas_issue_blocked_cmd(instance, cmd, 0) == DCMD_NOT_FIRED) { |
6975 | cmd->sync_cmd = 0; | |
6976 | dev_err(&instance->pdev->dev, | |
6977 | "return -EBUSY from %s %d opcode 0x%x cmd->cmd_status_drv 0x%x\n", | |
6978 | __func__, __LINE__, cmd->frame->dcmd.opcode, | |
6979 | cmd->cmd_status_drv); | |
6980 | return -EBUSY; | |
6981 | } | |
6982 | ||
c4a3e0a5 BS |
6983 | cmd->sync_cmd = 0; |
6984 | ||
aa00832b SS |
6985 | if (instance->unload == 1) { |
6986 | dev_info(&instance->pdev->dev, "Driver unload is in progress " | |
6987 | "don't submit data to application\n"); | |
6988 | goto out; | |
6989 | } | |
c4a3e0a5 BS |
6990 | /* |
6991 | * copy out the kernel buffers to user buffers | |
6992 | */ | |
6993 | for (i = 0; i < ioc->sge_count; i++) { | |
6994 | if (copy_to_user(ioc->sgl[i].iov_base, kbuff_arr[i], | |
6995 | ioc->sgl[i].iov_len)) { | |
6996 | error = -EFAULT; | |
6997 | goto out; | |
6998 | } | |
6999 | } | |
7000 | ||
7001 | /* | |
7002 | * copy out the sense | |
7003 | */ | |
7004 | if (ioc->sense_len) { | |
7005 | /* | |
b70a41e0 | 7006 | * sense_ptr points to the location that has the user |
c4a3e0a5 BS |
7007 | * sense buffer address |
7008 | */ | |
7b2519af YB |
7009 | sense_ptr = (unsigned long *) ((unsigned long)ioc->frame.raw + |
7010 | ioc->sense_off); | |
c4a3e0a5 | 7011 | |
318aaef8 S |
7012 | if (copy_to_user((void __user *)((unsigned long) |
7013 | get_unaligned((unsigned long *)sense_ptr)), | |
b70a41e0 | 7014 | sense, ioc->sense_len)) { |
1be18254 | 7015 | dev_err(&instance->pdev->dev, "Failed to copy out to user " |
b10c36a5 | 7016 | "sense data\n"); |
c4a3e0a5 BS |
7017 | error = -EFAULT; |
7018 | goto out; | |
7019 | } | |
7020 | } | |
7021 | ||
7022 | /* | |
7023 | * copy the status codes returned by the fw | |
7024 | */ | |
7025 | if (copy_to_user(&user_ioc->frame.hdr.cmd_status, | |
7026 | &cmd->frame->hdr.cmd_status, sizeof(u8))) { | |
1be18254 | 7027 | dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error copying out cmd_status\n"); |
c4a3e0a5 BS |
7028 | error = -EFAULT; |
7029 | } | |
7030 | ||
da0dc9fb | 7031 | out: |
c4a3e0a5 | 7032 | if (sense) { |
9f35fa8a | 7033 | dma_free_coherent(&instance->pdev->dev, ioc->sense_len, |
c4a3e0a5 BS |
7034 | sense, sense_handle); |
7035 | } | |
7036 | ||
7a6a731b | 7037 | for (i = 0; i < ioc->sge_count; i++) { |
3deb9438 | 7038 | if (kbuff_arr[i]) { |
7a6a731b | 7039 | dma_free_coherent(&instance->pdev->dev, |
94cd65dd | 7040 | le32_to_cpu(kern_sge32[i].length), |
7a6a731b | 7041 | kbuff_arr[i], |
94cd65dd | 7042 | le32_to_cpu(kern_sge32[i].phys_addr)); |
90dc9d98 | 7043 | kbuff_arr[i] = NULL; |
3deb9438 | 7044 | } |
c4a3e0a5 BS |
7045 | } |
7046 | ||
4026e9aa | 7047 | megasas_return_cmd(instance, cmd); |
c4a3e0a5 BS |
7048 | return error; |
7049 | } | |
7050 | ||
c4a3e0a5 BS |
7051 | static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) |
7052 | { | |
7053 | struct megasas_iocpacket __user *user_ioc = | |
7054 | (struct megasas_iocpacket __user *)arg; | |
7055 | struct megasas_iocpacket *ioc; | |
7056 | struct megasas_instance *instance; | |
7057 | int error; | |
39a98554 | 7058 | int i; |
7059 | unsigned long flags; | |
7060 | u32 wait_time = MEGASAS_RESET_WAIT_TIME; | |
c4a3e0a5 | 7061 | |
709ab231 ME |
7062 | ioc = memdup_user(user_ioc, sizeof(*ioc)); |
7063 | if (IS_ERR(ioc)) | |
7064 | return PTR_ERR(ioc); | |
c4a3e0a5 BS |
7065 | |
7066 | instance = megasas_lookup_instance(ioc->host_no); | |
7067 | if (!instance) { | |
7068 | error = -ENODEV; | |
7069 | goto out_kfree_ioc; | |
7070 | } | |
7071 | ||
229fe47c AR |
7072 | /* Adjust ioctl wait time for VF mode */ |
7073 | if (instance->requestorId) | |
7074 | wait_time = MEGASAS_ROUTINE_WAIT_TIME_VF; | |
7075 | ||
7076 | /* Block ioctls in VF mode */ | |
7077 | if (instance->requestorId && !allow_vf_ioctls) { | |
7078 | error = -ENODEV; | |
7079 | goto out_kfree_ioc; | |
7080 | } | |
7081 | ||
8a01a41d | 7082 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
1be18254 | 7083 | dev_err(&instance->pdev->dev, "Controller in crit error\n"); |
0c79e681 YB |
7084 | error = -ENODEV; |
7085 | goto out_kfree_ioc; | |
7086 | } | |
7087 | ||
7088 | if (instance->unload == 1) { | |
7089 | error = -ENODEV; | |
7090 | goto out_kfree_ioc; | |
7091 | } | |
7092 | ||
c4a3e0a5 BS |
7093 | if (down_interruptible(&instance->ioctl_sem)) { |
7094 | error = -ERESTARTSYS; | |
7095 | goto out_kfree_ioc; | |
7096 | } | |
39a98554 | 7097 | |
7098 | for (i = 0; i < wait_time; i++) { | |
7099 | ||
7100 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 7101 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { |
39a98554 | 7102 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
7103 | break; | |
7104 | } | |
7105 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
7106 | ||
7107 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
1be18254 | 7108 | dev_notice(&instance->pdev->dev, "waiting" |
39a98554 | 7109 | "for controller reset to finish\n"); |
7110 | } | |
7111 | ||
7112 | msleep(1000); | |
7113 | } | |
7114 | ||
7115 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 7116 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
39a98554 | 7117 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
7118 | ||
644da3c3 | 7119 | dev_err(&instance->pdev->dev, "timed out while waiting for HBA to recover\n"); |
39a98554 | 7120 | error = -ENODEV; |
c64e483e | 7121 | goto out_up; |
39a98554 | 7122 | } |
7123 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
7124 | ||
c4a3e0a5 | 7125 | error = megasas_mgmt_fw_ioctl(instance, user_ioc, ioc); |
da0dc9fb | 7126 | out_up: |
c4a3e0a5 BS |
7127 | up(&instance->ioctl_sem); |
7128 | ||
da0dc9fb | 7129 | out_kfree_ioc: |
c4a3e0a5 BS |
7130 | kfree(ioc); |
7131 | return error; | |
7132 | } | |
7133 | ||
7134 | static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) | |
7135 | { | |
7136 | struct megasas_instance *instance; | |
7137 | struct megasas_aen aen; | |
7138 | int error; | |
39a98554 | 7139 | int i; |
7140 | unsigned long flags; | |
7141 | u32 wait_time = MEGASAS_RESET_WAIT_TIME; | |
c4a3e0a5 BS |
7142 | |
7143 | if (file->private_data != file) { | |
7144 | printk(KERN_DEBUG "megasas: fasync_helper was not " | |
7145 | "called first\n"); | |
7146 | return -EINVAL; | |
7147 | } | |
7148 | ||
7149 | if (copy_from_user(&aen, (void __user *)arg, sizeof(aen))) | |
7150 | return -EFAULT; | |
7151 | ||
7152 | instance = megasas_lookup_instance(aen.host_no); | |
7153 | ||
7154 | if (!instance) | |
7155 | return -ENODEV; | |
7156 | ||
8a01a41d | 7157 | if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { |
39a98554 | 7158 | return -ENODEV; |
0c79e681 YB |
7159 | } |
7160 | ||
7161 | if (instance->unload == 1) { | |
7162 | return -ENODEV; | |
7163 | } | |
7164 | ||
39a98554 | 7165 | for (i = 0; i < wait_time; i++) { |
7166 | ||
7167 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 7168 | if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { |
39a98554 | 7169 | spin_unlock_irqrestore(&instance->hba_lock, |
7170 | flags); | |
7171 | break; | |
7172 | } | |
7173 | ||
7174 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
7175 | ||
7176 | if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { | |
1be18254 | 7177 | dev_notice(&instance->pdev->dev, "waiting for" |
39a98554 | 7178 | "controller reset to finish\n"); |
7179 | } | |
7180 | ||
7181 | msleep(1000); | |
7182 | } | |
7183 | ||
7184 | spin_lock_irqsave(&instance->hba_lock, flags); | |
8a01a41d | 7185 | if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { |
39a98554 | 7186 | spin_unlock_irqrestore(&instance->hba_lock, flags); |
644da3c3 | 7187 | dev_err(&instance->pdev->dev, "timed out while waiting for HBA to recover\n"); |
39a98554 | 7188 | return -ENODEV; |
7189 | } | |
7190 | spin_unlock_irqrestore(&instance->hba_lock, flags); | |
7191 | ||
11c71cb4 | 7192 | mutex_lock(&instance->reset_mutex); |
c4a3e0a5 BS |
7193 | error = megasas_register_aen(instance, aen.seq_num, |
7194 | aen.class_locale_word); | |
11c71cb4 | 7195 | mutex_unlock(&instance->reset_mutex); |
c4a3e0a5 BS |
7196 | return error; |
7197 | } | |
7198 | ||
7199 | /** | |
7200 | * megasas_mgmt_ioctl - char node ioctl entry point | |
7201 | */ | |
7202 | static long | |
7203 | megasas_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
7204 | { | |
7205 | switch (cmd) { | |
7206 | case MEGASAS_IOC_FIRMWARE: | |
7207 | return megasas_mgmt_ioctl_fw(file, arg); | |
7208 | ||
7209 | case MEGASAS_IOC_GET_AEN: | |
7210 | return megasas_mgmt_ioctl_aen(file, arg); | |
7211 | } | |
7212 | ||
7213 | return -ENOTTY; | |
7214 | } | |
7215 | ||
7216 | #ifdef CONFIG_COMPAT | |
7217 | static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg) | |
7218 | { | |
7219 | struct compat_megasas_iocpacket __user *cioc = | |
7220 | (struct compat_megasas_iocpacket __user *)arg; | |
7221 | struct megasas_iocpacket __user *ioc = | |
7222 | compat_alloc_user_space(sizeof(struct megasas_iocpacket)); | |
7223 | int i; | |
7224 | int error = 0; | |
b3dc1a21 | 7225 | compat_uptr_t ptr; |
323c4a02 | 7226 | u32 local_sense_off; |
7227 | u32 local_sense_len; | |
ea1c928b | 7228 | u32 user_sense_off; |
c4a3e0a5 | 7229 | |
83aabc1b JG |
7230 | if (clear_user(ioc, sizeof(*ioc))) |
7231 | return -EFAULT; | |
c4a3e0a5 BS |
7232 | |
7233 | if (copy_in_user(&ioc->host_no, &cioc->host_no, sizeof(u16)) || | |
7234 | copy_in_user(&ioc->sgl_off, &cioc->sgl_off, sizeof(u32)) || | |
7235 | copy_in_user(&ioc->sense_off, &cioc->sense_off, sizeof(u32)) || | |
7236 | copy_in_user(&ioc->sense_len, &cioc->sense_len, sizeof(u32)) || | |
7237 | copy_in_user(ioc->frame.raw, cioc->frame.raw, 128) || | |
7238 | copy_in_user(&ioc->sge_count, &cioc->sge_count, sizeof(u32))) | |
7239 | return -EFAULT; | |
7240 | ||
b3dc1a21 TH |
7241 | /* |
7242 | * The sense_ptr is used in megasas_mgmt_fw_ioctl only when | |
7243 | * sense_len is not null, so prepare the 64bit value under | |
7244 | * the same condition. | |
7245 | */ | |
ea1c928b SS |
7246 | if (get_user(local_sense_off, &ioc->sense_off) || |
7247 | get_user(local_sense_len, &ioc->sense_len) || | |
7248 | get_user(user_sense_off, &cioc->sense_off)) | |
323c4a02 | 7249 | return -EFAULT; |
7250 | ||
323c4a02 | 7251 | if (local_sense_len) { |
b3dc1a21 | 7252 | void __user **sense_ioc_ptr = |
ea1c928b | 7253 | (void __user **)((u8 *)((unsigned long)&ioc->frame.raw) + local_sense_off); |
b3dc1a21 | 7254 | compat_uptr_t *sense_cioc_ptr = |
ea1c928b | 7255 | (compat_uptr_t *)(((unsigned long)&cioc->frame.raw) + user_sense_off); |
b3dc1a21 TH |
7256 | if (get_user(ptr, sense_cioc_ptr) || |
7257 | put_user(compat_ptr(ptr), sense_ioc_ptr)) | |
7258 | return -EFAULT; | |
7259 | } | |
c4a3e0a5 | 7260 | |
b3dc1a21 | 7261 | for (i = 0; i < MAX_IOCTL_SGE; i++) { |
c4a3e0a5 BS |
7262 | if (get_user(ptr, &cioc->sgl[i].iov_base) || |
7263 | put_user(compat_ptr(ptr), &ioc->sgl[i].iov_base) || | |
7264 | copy_in_user(&ioc->sgl[i].iov_len, | |
7265 | &cioc->sgl[i].iov_len, sizeof(compat_size_t))) | |
7266 | return -EFAULT; | |
7267 | } | |
7268 | ||
7269 | error = megasas_mgmt_ioctl_fw(file, (unsigned long)ioc); | |
7270 | ||
7271 | if (copy_in_user(&cioc->frame.hdr.cmd_status, | |
7272 | &ioc->frame.hdr.cmd_status, sizeof(u8))) { | |
7273 | printk(KERN_DEBUG "megasas: error copy_in_user cmd_status\n"); | |
7274 | return -EFAULT; | |
7275 | } | |
7276 | return error; | |
7277 | } | |
7278 | ||
7279 | static long | |
7280 | megasas_mgmt_compat_ioctl(struct file *file, unsigned int cmd, | |
7281 | unsigned long arg) | |
7282 | { | |
7283 | switch (cmd) { | |
cb59aa6a SP |
7284 | case MEGASAS_IOC_FIRMWARE32: |
7285 | return megasas_mgmt_compat_ioctl_fw(file, arg); | |
c4a3e0a5 BS |
7286 | case MEGASAS_IOC_GET_AEN: |
7287 | return megasas_mgmt_ioctl_aen(file, arg); | |
7288 | } | |
7289 | ||
7290 | return -ENOTTY; | |
7291 | } | |
7292 | #endif | |
7293 | ||
7294 | /* | |
7295 | * File operations structure for management interface | |
7296 | */ | |
00977a59 | 7297 | static const struct file_operations megasas_mgmt_fops = { |
c4a3e0a5 BS |
7298 | .owner = THIS_MODULE, |
7299 | .open = megasas_mgmt_open, | |
c4a3e0a5 BS |
7300 | .fasync = megasas_mgmt_fasync, |
7301 | .unlocked_ioctl = megasas_mgmt_ioctl, | |
c3518837 | 7302 | .poll = megasas_mgmt_poll, |
c4a3e0a5 BS |
7303 | #ifdef CONFIG_COMPAT |
7304 | .compat_ioctl = megasas_mgmt_compat_ioctl, | |
7305 | #endif | |
6038f373 | 7306 | .llseek = noop_llseek, |
c4a3e0a5 BS |
7307 | }; |
7308 | ||
7309 | /* | |
7310 | * PCI hotplug support registration structure | |
7311 | */ | |
7312 | static struct pci_driver megasas_pci_driver = { | |
7313 | ||
7314 | .name = "megaraid_sas", | |
7315 | .id_table = megasas_pci_table, | |
7316 | .probe = megasas_probe_one, | |
6f039790 | 7317 | .remove = megasas_detach_one, |
31ea7088 | 7318 | .suspend = megasas_suspend, |
7319 | .resume = megasas_resume, | |
c4a3e0a5 BS |
7320 | .shutdown = megasas_shutdown, |
7321 | }; | |
7322 | ||
7323 | /* | |
7324 | * Sysfs driver attributes | |
7325 | */ | |
7326 | static ssize_t megasas_sysfs_show_version(struct device_driver *dd, char *buf) | |
7327 | { | |
7328 | return snprintf(buf, strlen(MEGASAS_VERSION) + 2, "%s\n", | |
7329 | MEGASAS_VERSION); | |
7330 | } | |
7331 | ||
7332 | static DRIVER_ATTR(version, S_IRUGO, megasas_sysfs_show_version, NULL); | |
7333 | ||
09fced19 SS |
7334 | static ssize_t |
7335 | megasas_sysfs_show_release_date(struct device_driver *dd, char *buf) | |
7336 | { | |
7337 | return snprintf(buf, strlen(MEGASAS_RELDATE) + 2, "%s\n", | |
7338 | MEGASAS_RELDATE); | |
7339 | } | |
7340 | ||
7341 | static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date, NULL); | |
7342 | ||
72c4fd36 YB |
7343 | static ssize_t |
7344 | megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf) | |
7345 | { | |
7346 | return sprintf(buf, "%u\n", support_poll_for_event); | |
7347 | } | |
7348 | ||
7349 | static DRIVER_ATTR(support_poll_for_event, S_IRUGO, | |
7350 | megasas_sysfs_show_support_poll_for_event, NULL); | |
7351 | ||
837f5fe8 YB |
7352 | static ssize_t |
7353 | megasas_sysfs_show_support_device_change(struct device_driver *dd, char *buf) | |
7354 | { | |
7355 | return sprintf(buf, "%u\n", support_device_change); | |
7356 | } | |
7357 | ||
7358 | static DRIVER_ATTR(support_device_change, S_IRUGO, | |
7359 | megasas_sysfs_show_support_device_change, NULL); | |
7360 | ||
658dcedb SP |
7361 | static ssize_t |
7362 | megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) | |
7363 | { | |
ad84db2e | 7364 | return sprintf(buf, "%u\n", megasas_dbg_lvl); |
658dcedb SP |
7365 | } |
7366 | ||
7367 | static ssize_t | |
7368 | megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t count) | |
7369 | { | |
7370 | int retval = count; | |
da0dc9fb BH |
7371 | |
7372 | if (sscanf(buf, "%u", &megasas_dbg_lvl) < 1) { | |
658dcedb SP |
7373 | printk(KERN_ERR "megasas: could not set dbg_lvl\n"); |
7374 | retval = -EINVAL; | |
7375 | } | |
7376 | return retval; | |
7377 | } | |
7378 | ||
66dca9b8 | 7379 | static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUSR, megasas_sysfs_show_dbg_lvl, |
ad84db2e | 7380 | megasas_sysfs_set_dbg_lvl); |
7381 | ||
b4a42213 S |
7382 | static inline void megasas_remove_scsi_device(struct scsi_device *sdev) |
7383 | { | |
7384 | sdev_printk(KERN_INFO, sdev, "SCSI device is removed\n"); | |
7385 | scsi_remove_device(sdev); | |
7386 | scsi_device_put(sdev); | |
7387 | } | |
7388 | ||
7e8a75f4 YB |
7389 | static void |
7390 | megasas_aen_polling(struct work_struct *work) | |
7391 | { | |
7392 | struct megasas_aen_event *ev = | |
c1d390d8 | 7393 | container_of(work, struct megasas_aen_event, hotplug_work.work); |
7e8a75f4 YB |
7394 | struct megasas_instance *instance = ev->instance; |
7395 | union megasas_evt_class_locale class_locale; | |
7396 | struct Scsi_Host *host; | |
7397 | struct scsi_device *sdev1; | |
7398 | u16 pd_index = 0; | |
c9786842 | 7399 | u16 ld_index = 0; |
7e8a75f4 | 7400 | int i, j, doscan = 0; |
229fe47c | 7401 | u32 seq_num, wait_time = MEGASAS_RESET_WAIT_TIME; |
7e8a75f4 | 7402 | int error; |
6d40afbc | 7403 | u8 dcmd_ret = DCMD_SUCCESS; |
7e8a75f4 YB |
7404 | |
7405 | if (!instance) { | |
7406 | printk(KERN_ERR "invalid instance!\n"); | |
7407 | kfree(ev); | |
7408 | return; | |
7409 | } | |
229fe47c AR |
7410 | |
7411 | /* Adjust event workqueue thread wait time for VF mode */ | |
7412 | if (instance->requestorId) | |
7413 | wait_time = MEGASAS_ROUTINE_WAIT_TIME_VF; | |
7414 | ||
7415 | /* Don't run the event workqueue thread if OCR is running */ | |
11c71cb4 | 7416 | mutex_lock(&instance->reset_mutex); |
229fe47c | 7417 | |
7e8a75f4 YB |
7418 | instance->ev = NULL; |
7419 | host = instance->host; | |
7420 | if (instance->evt_detail) { | |
714f5177 | 7421 | megasas_decode_evt(instance); |
7e8a75f4 | 7422 | |
94cd65dd | 7423 | switch (le32_to_cpu(instance->evt_detail->code)) { |
c9786842 | 7424 | |
11c71cb4 | 7425 | case MR_EVT_PD_INSERTED: |
7e8a75f4 | 7426 | case MR_EVT_PD_REMOVED: |
11c71cb4 | 7427 | dcmd_ret = megasas_get_pd_list(instance); |
6d40afbc | 7428 | if (dcmd_ret == DCMD_SUCCESS) |
11c71cb4 | 7429 | doscan = SCAN_PD_CHANNEL; |
c9786842 YB |
7430 | break; |
7431 | ||
7432 | case MR_EVT_LD_OFFLINE: | |
4c598b23 | 7433 | case MR_EVT_CFG_CLEARED: |
c9786842 | 7434 | case MR_EVT_LD_DELETED: |
c9786842 | 7435 | case MR_EVT_LD_CREATED: |
229fe47c | 7436 | if (!instance->requestorId || |
11c71cb4 SS |
7437 | (instance->requestorId && megasas_get_ld_vf_affiliation(instance, 0))) |
7438 | dcmd_ret = megasas_ld_list_query(instance, MR_LD_QUERY_TYPE_EXPOSED_TO_HOST); | |
7439 | ||
6d40afbc | 7440 | if (dcmd_ret == DCMD_SUCCESS) |
11c71cb4 SS |
7441 | doscan = SCAN_VD_CHANNEL; |
7442 | ||
c9786842 | 7443 | break; |
11c71cb4 | 7444 | |
7e8a75f4 | 7445 | case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED: |
c9786842 | 7446 | case MR_EVT_FOREIGN_CFG_IMPORTED: |
9c915a8c | 7447 | case MR_EVT_LD_STATE_CHANGE: |
11c71cb4 SS |
7448 | dcmd_ret = megasas_get_pd_list(instance); |
7449 | ||
6d40afbc | 7450 | if (dcmd_ret != DCMD_SUCCESS) |
11c71cb4 SS |
7451 | break; |
7452 | ||
7453 | if (!instance->requestorId || | |
7454 | (instance->requestorId && megasas_get_ld_vf_affiliation(instance, 0))) | |
7455 | dcmd_ret = megasas_ld_list_query(instance, MR_LD_QUERY_TYPE_EXPOSED_TO_HOST); | |
7456 | ||
6d40afbc | 7457 | if (dcmd_ret != DCMD_SUCCESS) |
11c71cb4 SS |
7458 | break; |
7459 | ||
7460 | doscan = SCAN_VD_CHANNEL | SCAN_PD_CHANNEL; | |
7461 | dev_info(&instance->pdev->dev, "scanning for scsi%d...\n", | |
7462 | instance->host->host_no); | |
7e8a75f4 | 7463 | break; |
11c71cb4 | 7464 | |
c4bd2654 | 7465 | case MR_EVT_CTRL_PROP_CHANGED: |
11c71cb4 SS |
7466 | dcmd_ret = megasas_get_ctrl_info(instance); |
7467 | break; | |
7e8a75f4 YB |
7468 | default: |
7469 | doscan = 0; | |
7470 | break; | |
7471 | } | |
7472 | } else { | |
1be18254 | 7473 | dev_err(&instance->pdev->dev, "invalid evt_detail!\n"); |
11c71cb4 | 7474 | mutex_unlock(&instance->reset_mutex); |
7e8a75f4 YB |
7475 | kfree(ev); |
7476 | return; | |
7477 | } | |
7478 | ||
11c71cb4 SS |
7479 | mutex_unlock(&instance->reset_mutex); |
7480 | ||
7481 | if (doscan & SCAN_PD_CHANNEL) { | |
7482 | for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { | |
7483 | for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { | |
7484 | pd_index = i*MEGASAS_MAX_DEV_PER_CHANNEL + j; | |
7485 | sdev1 = scsi_device_lookup(host, i, j, 0); | |
7486 | if (instance->pd_list[pd_index].driveState == | |
7487 | MR_PD_STATE_SYSTEM) { | |
7488 | if (!sdev1) | |
7489 | scsi_add_device(host, i, j, 0); | |
7490 | else | |
7491 | scsi_device_put(sdev1); | |
7492 | } else { | |
b4a42213 S |
7493 | if (sdev1) |
7494 | megasas_remove_scsi_device(sdev1); | |
7e8a75f4 YB |
7495 | } |
7496 | } | |
7497 | } | |
11c71cb4 | 7498 | } |
c9786842 | 7499 | |
11c71cb4 SS |
7500 | if (doscan & SCAN_VD_CHANNEL) { |
7501 | for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { | |
7502 | for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { | |
7503 | ld_index = (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; | |
7504 | sdev1 = scsi_device_lookup(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); | |
7505 | if (instance->ld_ids[ld_index] != 0xff) { | |
7506 | if (!sdev1) | |
7507 | scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); | |
7508 | else | |
7509 | scsi_device_put(sdev1); | |
7510 | } else { | |
b4a42213 S |
7511 | if (sdev1) |
7512 | megasas_remove_scsi_device(sdev1); | |
c9786842 YB |
7513 | } |
7514 | } | |
7515 | } | |
7e8a75f4 YB |
7516 | } |
7517 | ||
6d40afbc | 7518 | if (dcmd_ret == DCMD_SUCCESS) |
11c71cb4 SS |
7519 | seq_num = le32_to_cpu(instance->evt_detail->seq_num) + 1; |
7520 | else | |
7521 | seq_num = instance->last_seq_num; | |
7e8a75f4 YB |
7522 | |
7523 | /* Register AEN with FW for latest sequence number plus 1 */ | |
7524 | class_locale.members.reserved = 0; | |
7525 | class_locale.members.locale = MR_EVT_LOCALE_ALL; | |
7526 | class_locale.members.class = MR_EVT_CLASS_DEBUG; | |
11c71cb4 SS |
7527 | |
7528 | if (instance->aen_cmd != NULL) { | |
7529 | kfree(ev); | |
7530 | return; | |
7531 | } | |
7532 | ||
7533 | mutex_lock(&instance->reset_mutex); | |
7e8a75f4 YB |
7534 | error = megasas_register_aen(instance, seq_num, |
7535 | class_locale.word); | |
7e8a75f4 | 7536 | if (error) |
11c71cb4 SS |
7537 | dev_err(&instance->pdev->dev, |
7538 | "register aen failed error %x\n", error); | |
7e8a75f4 | 7539 | |
11c71cb4 | 7540 | mutex_unlock(&instance->reset_mutex); |
7e8a75f4 YB |
7541 | kfree(ev); |
7542 | } | |
7543 | ||
c4a3e0a5 BS |
7544 | /** |
7545 | * megasas_init - Driver load entry point | |
7546 | */ | |
7547 | static int __init megasas_init(void) | |
7548 | { | |
7549 | int rval; | |
7550 | ||
c3e385a1 SS |
7551 | /* |
7552 | * Booted in kdump kernel, minimize memory footprints by | |
7553 | * disabling few features | |
7554 | */ | |
7555 | if (reset_devices) { | |
7556 | msix_vectors = 1; | |
7557 | rdpq_enable = 0; | |
7558 | dual_qdepth_disable = 1; | |
7559 | } | |
7560 | ||
c4a3e0a5 BS |
7561 | /* |
7562 | * Announce driver version and other information | |
7563 | */ | |
d98a6deb | 7564 | pr_info("megasas: %s\n", MEGASAS_VERSION); |
c4a3e0a5 | 7565 | |
bd8d6dd4 KD |
7566 | spin_lock_init(&poll_aen_lock); |
7567 | ||
72c4fd36 | 7568 | support_poll_for_event = 2; |
837f5fe8 | 7569 | support_device_change = 1; |
72c4fd36 | 7570 | |
c4a3e0a5 BS |
7571 | memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info)); |
7572 | ||
7573 | /* | |
7574 | * Register character device node | |
7575 | */ | |
7576 | rval = register_chrdev(0, "megaraid_sas_ioctl", &megasas_mgmt_fops); | |
7577 | ||
7578 | if (rval < 0) { | |
7579 | printk(KERN_DEBUG "megasas: failed to open device node\n"); | |
7580 | return rval; | |
7581 | } | |
7582 | ||
7583 | megasas_mgmt_majorno = rval; | |
7584 | ||
7585 | /* | |
7586 | * Register ourselves as PCI hotplug module | |
7587 | */ | |
4041b9cd | 7588 | rval = pci_register_driver(&megasas_pci_driver); |
c4a3e0a5 BS |
7589 | |
7590 | if (rval) { | |
6774def6 | 7591 | printk(KERN_DEBUG "megasas: PCI hotplug registration failed \n"); |
83aabc1b JG |
7592 | goto err_pcidrv; |
7593 | } | |
7594 | ||
7595 | rval = driver_create_file(&megasas_pci_driver.driver, | |
7596 | &driver_attr_version); | |
7597 | if (rval) | |
7598 | goto err_dcf_attr_ver; | |
72c4fd36 | 7599 | |
09fced19 SS |
7600 | rval = driver_create_file(&megasas_pci_driver.driver, |
7601 | &driver_attr_release_date); | |
7602 | if (rval) | |
7603 | goto err_dcf_rel_date; | |
7604 | ||
72c4fd36 YB |
7605 | rval = driver_create_file(&megasas_pci_driver.driver, |
7606 | &driver_attr_support_poll_for_event); | |
7607 | if (rval) | |
7608 | goto err_dcf_support_poll_for_event; | |
7609 | ||
83aabc1b JG |
7610 | rval = driver_create_file(&megasas_pci_driver.driver, |
7611 | &driver_attr_dbg_lvl); | |
7612 | if (rval) | |
7613 | goto err_dcf_dbg_lvl; | |
837f5fe8 YB |
7614 | rval = driver_create_file(&megasas_pci_driver.driver, |
7615 | &driver_attr_support_device_change); | |
7616 | if (rval) | |
7617 | goto err_dcf_support_device_change; | |
7618 | ||
c4a3e0a5 | 7619 | return rval; |
ad84db2e | 7620 | |
837f5fe8 | 7621 | err_dcf_support_device_change: |
ad84db2e | 7622 | driver_remove_file(&megasas_pci_driver.driver, |
7623 | &driver_attr_dbg_lvl); | |
83aabc1b | 7624 | err_dcf_dbg_lvl: |
72c4fd36 YB |
7625 | driver_remove_file(&megasas_pci_driver.driver, |
7626 | &driver_attr_support_poll_for_event); | |
72c4fd36 | 7627 | err_dcf_support_poll_for_event: |
09fced19 SS |
7628 | driver_remove_file(&megasas_pci_driver.driver, |
7629 | &driver_attr_release_date); | |
7630 | err_dcf_rel_date: | |
83aabc1b JG |
7631 | driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); |
7632 | err_dcf_attr_ver: | |
7633 | pci_unregister_driver(&megasas_pci_driver); | |
7634 | err_pcidrv: | |
7635 | unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); | |
0d49016b | 7636 | return rval; |
c4a3e0a5 BS |
7637 | } |
7638 | ||
7639 | /** | |
7640 | * megasas_exit - Driver unload entry point | |
7641 | */ | |
7642 | static void __exit megasas_exit(void) | |
7643 | { | |
658dcedb SP |
7644 | driver_remove_file(&megasas_pci_driver.driver, |
7645 | &driver_attr_dbg_lvl); | |
837f5fe8 YB |
7646 | driver_remove_file(&megasas_pci_driver.driver, |
7647 | &driver_attr_support_poll_for_event); | |
7648 | driver_remove_file(&megasas_pci_driver.driver, | |
7649 | &driver_attr_support_device_change); | |
09fced19 SS |
7650 | driver_remove_file(&megasas_pci_driver.driver, |
7651 | &driver_attr_release_date); | |
83aabc1b | 7652 | driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); |
c4a3e0a5 BS |
7653 | |
7654 | pci_unregister_driver(&megasas_pci_driver); | |
7655 | unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); | |
7656 | } | |
7657 | ||
7658 | module_init(megasas_init); | |
7659 | module_exit(megasas_exit); |