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dbf9bfe6 | 1 | /* |
e5742101 | 2 | * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver |
dbf9bfe6 | 3 | * |
4 | * Copyright (c) 2008-2009 USI Co., Ltd. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * 1. Redistributions of source code must retain the above copyright | |
11 | * notice, this list of conditions, and the following disclaimer, | |
12 | * without modification. | |
13 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
14 | * substantially similar to the "NO WARRANTY" disclaimer below | |
15 | * ("Disclaimer") and any redistribution must be conditioned upon | |
16 | * including a substantially similar Disclaimer requirement for further | |
17 | * binary redistribution. | |
18 | * 3. Neither the names of the above-listed copyright holders nor the names | |
19 | * of any contributors may be used to endorse or promote products derived | |
20 | * from this software without specific prior written permission. | |
21 | * | |
22 | * Alternatively, this software may be distributed under the terms of the | |
23 | * GNU General Public License ("GPL") version 2 as published by the Free | |
24 | * Software Foundation. | |
25 | * | |
26 | * NO WARRANTY | |
27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
28 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
30 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
31 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
35 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
36 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
37 | * POSSIBILITY OF SUCH DAMAGES. | |
38 | * | |
39 | */ | |
40 | ||
5a0e3ad6 | 41 | #include <linux/slab.h> |
dbf9bfe6 | 42 | #include "pm8001_sas.h" |
43 | #include "pm8001_chips.h" | |
44 | ||
45 | static struct scsi_transport_template *pm8001_stt; | |
46 | ||
e5742101 S |
47 | /** |
48 | * chip info structure to identify chip key functionality as | |
49 | * encryption available/not, no of ports, hw specific function ref | |
50 | */ | |
dbf9bfe6 | 51 | static const struct pm8001_chip_info pm8001_chips[] = { |
e5742101 | 52 | [chip_8001] = {0, 8, &pm8001_8001_dispatch,}, |
f5860992 S |
53 | [chip_8008] = {0, 8, &pm8001_80xx_dispatch,}, |
54 | [chip_8009] = {1, 8, &pm8001_80xx_dispatch,}, | |
55 | [chip_8018] = {0, 16, &pm8001_80xx_dispatch,}, | |
56 | [chip_8019] = {1, 16, &pm8001_80xx_dispatch,}, | |
a9a923e5 AKS |
57 | [chip_8074] = {0, 8, &pm8001_80xx_dispatch,}, |
58 | [chip_8076] = {0, 16, &pm8001_80xx_dispatch,}, | |
59 | [chip_8077] = {0, 16, &pm8001_80xx_dispatch,}, | |
dbf9bfe6 | 60 | }; |
61 | static int pm8001_id; | |
62 | ||
63 | LIST_HEAD(hba_list); | |
64 | ||
429305e4 TH |
65 | struct workqueue_struct *pm8001_wq; |
66 | ||
dbf9bfe6 | 67 | /** |
68 | * The main structure which LLDD must register for scsi core. | |
69 | */ | |
70 | static struct scsi_host_template pm8001_sht = { | |
71 | .module = THIS_MODULE, | |
72 | .name = DRV_NAME, | |
73 | .queuecommand = sas_queuecommand, | |
74 | .target_alloc = sas_target_alloc, | |
11e16364 | 75 | .slave_configure = sas_slave_configure, |
dbf9bfe6 | 76 | .scan_finished = pm8001_scan_finished, |
77 | .scan_start = pm8001_scan_start, | |
78 | .change_queue_depth = sas_change_queue_depth, | |
79 | .change_queue_type = sas_change_queue_type, | |
80 | .bios_param = sas_bios_param, | |
81 | .can_queue = 1, | |
82 | .cmd_per_lun = 1, | |
83 | .this_id = -1, | |
84 | .sg_tablesize = SG_ALL, | |
85 | .max_sectors = SCSI_DEFAULT_MAX_SECTORS, | |
86 | .use_clustering = ENABLE_CLUSTERING, | |
87 | .eh_device_reset_handler = sas_eh_device_reset_handler, | |
88 | .eh_bus_reset_handler = sas_eh_bus_reset_handler, | |
dbf9bfe6 | 89 | .target_destroy = sas_target_destroy, |
90 | .ioctl = sas_ioctl, | |
91 | .shost_attrs = pm8001_host_attrs, | |
2ecb204d | 92 | .use_blk_tags = 1, |
c40ecc12 | 93 | .track_queue_depth = 1, |
dbf9bfe6 | 94 | }; |
95 | ||
96 | /** | |
97 | * Sas layer call this function to execute specific task. | |
98 | */ | |
99 | static struct sas_domain_function_template pm8001_transport_ops = { | |
100 | .lldd_dev_found = pm8001_dev_found, | |
101 | .lldd_dev_gone = pm8001_dev_gone, | |
102 | ||
103 | .lldd_execute_task = pm8001_queue_command, | |
104 | .lldd_control_phy = pm8001_phy_control, | |
105 | ||
106 | .lldd_abort_task = pm8001_abort_task, | |
107 | .lldd_abort_task_set = pm8001_abort_task_set, | |
108 | .lldd_clear_aca = pm8001_clear_aca, | |
109 | .lldd_clear_task_set = pm8001_clear_task_set, | |
110 | .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset, | |
111 | .lldd_lu_reset = pm8001_lu_reset, | |
112 | .lldd_query_task = pm8001_query_task, | |
113 | }; | |
114 | ||
115 | /** | |
116 | *pm8001_phy_init - initiate our adapter phys | |
117 | *@pm8001_ha: our hba structure. | |
118 | *@phy_id: phy id. | |
119 | */ | |
6f039790 | 120 | static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id) |
dbf9bfe6 | 121 | { |
122 | struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; | |
123 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | |
124 | phy->phy_state = 0; | |
125 | phy->pm8001_ha = pm8001_ha; | |
126 | sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0; | |
127 | sas_phy->class = SAS; | |
128 | sas_phy->iproto = SAS_PROTOCOL_ALL; | |
129 | sas_phy->tproto = 0; | |
130 | sas_phy->type = PHY_TYPE_PHYSICAL; | |
131 | sas_phy->role = PHY_ROLE_INITIATOR; | |
132 | sas_phy->oob_mode = OOB_NOT_CONNECTED; | |
133 | sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN; | |
134 | sas_phy->id = phy_id; | |
135 | sas_phy->sas_addr = &pm8001_ha->sas_addr[0]; | |
136 | sas_phy->frame_rcvd = &phy->frame_rcvd[0]; | |
137 | sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata; | |
138 | sas_phy->lldd_phy = phy; | |
139 | } | |
140 | ||
141 | /** | |
142 | *pm8001_free - free hba | |
143 | *@pm8001_ha: our hba structure. | |
144 | * | |
145 | */ | |
146 | static void pm8001_free(struct pm8001_hba_info *pm8001_ha) | |
147 | { | |
148 | int i; | |
dbf9bfe6 | 149 | |
150 | if (!pm8001_ha) | |
151 | return; | |
152 | ||
153 | for (i = 0; i < USI_MAX_MEMCNT; i++) { | |
154 | if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { | |
155 | pci_free_consistent(pm8001_ha->pdev, | |
bfb4809f S |
156 | (pm8001_ha->memoryMap.region[i].total_len + |
157 | pm8001_ha->memoryMap.region[i].alignment), | |
dbf9bfe6 | 158 | pm8001_ha->memoryMap.region[i].virt_ptr, |
159 | pm8001_ha->memoryMap.region[i].phys_addr); | |
160 | } | |
161 | } | |
162 | PM8001_CHIP_DISP->chip_iounmap(pm8001_ha); | |
163 | if (pm8001_ha->shost) | |
164 | scsi_host_put(pm8001_ha->shost); | |
429305e4 | 165 | flush_workqueue(pm8001_wq); |
dbf9bfe6 | 166 | kfree(pm8001_ha->tags); |
167 | kfree(pm8001_ha); | |
168 | } | |
169 | ||
170 | #ifdef PM8001_USE_TASKLET | |
1245ee59 S |
171 | |
172 | /** | |
173 | * tasklet for 64 msi-x interrupt handler | |
174 | * @opaque: the passed general host adapter struct | |
175 | * Note: pm8001_tasklet is common for pm8001 & pm80xx | |
176 | */ | |
dbf9bfe6 | 177 | static void pm8001_tasklet(unsigned long opaque) |
178 | { | |
179 | struct pm8001_hba_info *pm8001_ha; | |
6cd60b37 NG |
180 | struct isr_param *irq_vector; |
181 | ||
182 | irq_vector = (struct isr_param *)opaque; | |
183 | pm8001_ha = irq_vector->drv_inst; | |
dbf9bfe6 | 184 | if (unlikely(!pm8001_ha)) |
185 | BUG_ON(1); | |
6cd60b37 | 186 | PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); |
1245ee59 S |
187 | } |
188 | #endif | |
189 | ||
1245ee59 S |
190 | /** |
191 | * pm8001_interrupt_handler_msix - main MSIX interrupt handler. | |
192 | * It obtains the vector number and calls the equivalent bottom | |
193 | * half or services directly. | |
194 | * @opaque: the passed outbound queue/vector. Host structure is | |
195 | * retrieved from the same. | |
196 | */ | |
197 | static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque) | |
198 | { | |
6cd60b37 NG |
199 | struct isr_param *irq_vector; |
200 | struct pm8001_hba_info *pm8001_ha; | |
1245ee59 | 201 | irqreturn_t ret = IRQ_HANDLED; |
6cd60b37 NG |
202 | irq_vector = (struct isr_param *)opaque; |
203 | pm8001_ha = irq_vector->drv_inst; | |
204 | ||
1245ee59 S |
205 | if (unlikely(!pm8001_ha)) |
206 | return IRQ_NONE; | |
207 | if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha)) | |
208 | return IRQ_NONE; | |
1245ee59 | 209 | #ifdef PM8001_USE_TASKLET |
6cd60b37 | 210 | tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]); |
1245ee59 | 211 | #else |
6cd60b37 | 212 | ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); |
dbf9bfe6 | 213 | #endif |
1245ee59 S |
214 | return ret; |
215 | } | |
dbf9bfe6 | 216 | |
1245ee59 S |
217 | /** |
218 | * pm8001_interrupt_handler_intx - main INTx interrupt handler. | |
219 | * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure. | |
220 | */ | |
dbf9bfe6 | 221 | |
1245ee59 | 222 | static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id) |
dbf9bfe6 | 223 | { |
224 | struct pm8001_hba_info *pm8001_ha; | |
225 | irqreturn_t ret = IRQ_HANDLED; | |
1245ee59 | 226 | struct sas_ha_struct *sha = dev_id; |
dbf9bfe6 | 227 | pm8001_ha = sha->lldd_ha; |
228 | if (unlikely(!pm8001_ha)) | |
229 | return IRQ_NONE; | |
230 | if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha)) | |
231 | return IRQ_NONE; | |
1245ee59 | 232 | |
dbf9bfe6 | 233 | #ifdef PM8001_USE_TASKLET |
6cd60b37 | 234 | tasklet_schedule(&pm8001_ha->tasklet[0]); |
dbf9bfe6 | 235 | #else |
f74cf271 | 236 | ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0); |
dbf9bfe6 | 237 | #endif |
238 | return ret; | |
239 | } | |
240 | ||
241 | /** | |
242 | * pm8001_alloc - initiate our hba structure and 6 DMAs area. | |
243 | * @pm8001_ha:our hba structure. | |
244 | * | |
245 | */ | |
e590adfd S |
246 | static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha, |
247 | const struct pci_device_id *ent) | |
dbf9bfe6 | 248 | { |
249 | int i; | |
250 | spin_lock_init(&pm8001_ha->lock); | |
646cdf00 | 251 | spin_lock_init(&pm8001_ha->bitmap_lock); |
e590adfd S |
252 | PM8001_INIT_DBG(pm8001_ha, |
253 | pm8001_printk("pm8001_alloc: PHY:%x\n", | |
254 | pm8001_ha->chip->n_phy)); | |
1cc943ae | 255 | for (i = 0; i < pm8001_ha->chip->n_phy; i++) { |
dbf9bfe6 | 256 | pm8001_phy_init(pm8001_ha, i); |
1cc943ae | 257 | pm8001_ha->port[i].wide_port_phymap = 0; |
258 | pm8001_ha->port[i].port_attached = 0; | |
259 | pm8001_ha->port[i].port_state = 0; | |
260 | INIT_LIST_HEAD(&pm8001_ha->port[i].list); | |
261 | } | |
dbf9bfe6 | 262 | |
97ee2088 | 263 | pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL); |
264 | if (!pm8001_ha->tags) | |
265 | goto err_out; | |
dbf9bfe6 | 266 | /* MPI Memory region 1 for AAP Event Log for fw */ |
267 | pm8001_ha->memoryMap.region[AAP1].num_elements = 1; | |
268 | pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE; | |
269 | pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE; | |
270 | pm8001_ha->memoryMap.region[AAP1].alignment = 32; | |
271 | ||
272 | /* MPI Memory region 2 for IOP Event Log for fw */ | |
273 | pm8001_ha->memoryMap.region[IOP].num_elements = 1; | |
274 | pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE; | |
275 | pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE; | |
276 | pm8001_ha->memoryMap.region[IOP].alignment = 32; | |
277 | ||
e590adfd S |
278 | for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) { |
279 | /* MPI Memory region 3 for consumer Index of inbound queues */ | |
280 | pm8001_ha->memoryMap.region[CI+i].num_elements = 1; | |
281 | pm8001_ha->memoryMap.region[CI+i].element_size = 4; | |
282 | pm8001_ha->memoryMap.region[CI+i].total_len = 4; | |
283 | pm8001_ha->memoryMap.region[CI+i].alignment = 4; | |
284 | ||
285 | if ((ent->driver_data) != chip_8001) { | |
286 | /* MPI Memory region 5 inbound queues */ | |
287 | pm8001_ha->memoryMap.region[IB+i].num_elements = | |
288 | PM8001_MPI_QUEUE; | |
289 | pm8001_ha->memoryMap.region[IB+i].element_size = 128; | |
290 | pm8001_ha->memoryMap.region[IB+i].total_len = | |
291 | PM8001_MPI_QUEUE * 128; | |
292 | pm8001_ha->memoryMap.region[IB+i].alignment = 128; | |
293 | } else { | |
294 | pm8001_ha->memoryMap.region[IB+i].num_elements = | |
295 | PM8001_MPI_QUEUE; | |
296 | pm8001_ha->memoryMap.region[IB+i].element_size = 64; | |
297 | pm8001_ha->memoryMap.region[IB+i].total_len = | |
298 | PM8001_MPI_QUEUE * 64; | |
299 | pm8001_ha->memoryMap.region[IB+i].alignment = 64; | |
300 | } | |
301 | } | |
302 | ||
303 | for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) { | |
304 | /* MPI Memory region 4 for producer Index of outbound queues */ | |
305 | pm8001_ha->memoryMap.region[PI+i].num_elements = 1; | |
306 | pm8001_ha->memoryMap.region[PI+i].element_size = 4; | |
307 | pm8001_ha->memoryMap.region[PI+i].total_len = 4; | |
308 | pm8001_ha->memoryMap.region[PI+i].alignment = 4; | |
309 | ||
310 | if (ent->driver_data != chip_8001) { | |
311 | /* MPI Memory region 6 Outbound queues */ | |
312 | pm8001_ha->memoryMap.region[OB+i].num_elements = | |
313 | PM8001_MPI_QUEUE; | |
314 | pm8001_ha->memoryMap.region[OB+i].element_size = 128; | |
315 | pm8001_ha->memoryMap.region[OB+i].total_len = | |
316 | PM8001_MPI_QUEUE * 128; | |
317 | pm8001_ha->memoryMap.region[OB+i].alignment = 128; | |
318 | } else { | |
319 | /* MPI Memory region 6 Outbound queues */ | |
320 | pm8001_ha->memoryMap.region[OB+i].num_elements = | |
321 | PM8001_MPI_QUEUE; | |
322 | pm8001_ha->memoryMap.region[OB+i].element_size = 64; | |
323 | pm8001_ha->memoryMap.region[OB+i].total_len = | |
324 | PM8001_MPI_QUEUE * 64; | |
325 | pm8001_ha->memoryMap.region[OB+i].alignment = 64; | |
326 | } | |
dbf9bfe6 | 327 | |
e590adfd | 328 | } |
dbf9bfe6 | 329 | /* Memory region write DMA*/ |
330 | pm8001_ha->memoryMap.region[NVMD].num_elements = 1; | |
331 | pm8001_ha->memoryMap.region[NVMD].element_size = 4096; | |
332 | pm8001_ha->memoryMap.region[NVMD].total_len = 4096; | |
333 | /* Memory region for devices*/ | |
334 | pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1; | |
335 | pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES * | |
336 | sizeof(struct pm8001_device); | |
337 | pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES * | |
338 | sizeof(struct pm8001_device); | |
339 | ||
340 | /* Memory region for ccb_info*/ | |
341 | pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1; | |
342 | pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB * | |
343 | sizeof(struct pm8001_ccb_info); | |
344 | pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB * | |
345 | sizeof(struct pm8001_ccb_info); | |
346 | ||
1c75a679 S |
347 | /* Memory region for fw flash */ |
348 | pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096; | |
349 | ||
d078b511 AKS |
350 | pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1; |
351 | pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000; | |
352 | pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000; | |
353 | pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000; | |
dbf9bfe6 | 354 | for (i = 0; i < USI_MAX_MEMCNT; i++) { |
355 | if (pm8001_mem_alloc(pm8001_ha->pdev, | |
356 | &pm8001_ha->memoryMap.region[i].virt_ptr, | |
357 | &pm8001_ha->memoryMap.region[i].phys_addr, | |
358 | &pm8001_ha->memoryMap.region[i].phys_addr_hi, | |
359 | &pm8001_ha->memoryMap.region[i].phys_addr_lo, | |
360 | pm8001_ha->memoryMap.region[i].total_len, | |
361 | pm8001_ha->memoryMap.region[i].alignment) != 0) { | |
362 | PM8001_FAIL_DBG(pm8001_ha, | |
363 | pm8001_printk("Mem%d alloc failed\n", | |
364 | i)); | |
365 | goto err_out; | |
366 | } | |
367 | } | |
368 | ||
369 | pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr; | |
370 | for (i = 0; i < PM8001_MAX_DEVICES; i++) { | |
aa9f8328 | 371 | pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED; |
dbf9bfe6 | 372 | pm8001_ha->devices[i].id = i; |
373 | pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES; | |
374 | pm8001_ha->devices[i].running_req = 0; | |
375 | } | |
376 | pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr; | |
377 | for (i = 0; i < PM8001_MAX_CCB; i++) { | |
378 | pm8001_ha->ccb_info[i].ccb_dma_handle = | |
379 | pm8001_ha->memoryMap.region[CCB_MEM].phys_addr + | |
380 | i * sizeof(struct pm8001_ccb_info); | |
97ee2088 | 381 | pm8001_ha->ccb_info[i].task = NULL; |
382 | pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff; | |
383 | pm8001_ha->ccb_info[i].device = NULL; | |
dbf9bfe6 | 384 | ++pm8001_ha->tags_num; |
385 | } | |
386 | pm8001_ha->flags = PM8001F_INIT_TIME; | |
387 | /* Initialize tags */ | |
388 | pm8001_tag_init(pm8001_ha); | |
389 | return 0; | |
390 | err_out: | |
391 | return 1; | |
392 | } | |
393 | ||
394 | /** | |
395 | * pm8001_ioremap - remap the pci high physical address to kernal virtual | |
396 | * address so that we can access them. | |
397 | * @pm8001_ha:our hba structure. | |
398 | */ | |
399 | static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha) | |
400 | { | |
401 | u32 bar; | |
402 | u32 logicalBar = 0; | |
403 | struct pci_dev *pdev; | |
404 | ||
405 | pdev = pm8001_ha->pdev; | |
406 | /* map pci mem (PMC pci base 0-3)*/ | |
407 | for (bar = 0; bar < 6; bar++) { | |
408 | /* | |
409 | ** logical BARs for SPC: | |
410 | ** bar 0 and 1 - logical BAR0 | |
411 | ** bar 2 and 3 - logical BAR1 | |
412 | ** bar4 - logical BAR2 | |
413 | ** bar5 - logical BAR3 | |
414 | ** Skip the appropriate assignments: | |
415 | */ | |
416 | if ((bar == 1) || (bar == 3)) | |
417 | continue; | |
418 | if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) { | |
419 | pm8001_ha->io_mem[logicalBar].membase = | |
420 | pci_resource_start(pdev, bar); | |
421 | pm8001_ha->io_mem[logicalBar].membase &= | |
422 | (u32)PCI_BASE_ADDRESS_MEM_MASK; | |
423 | pm8001_ha->io_mem[logicalBar].memsize = | |
424 | pci_resource_len(pdev, bar); | |
425 | pm8001_ha->io_mem[logicalBar].memvirtaddr = | |
426 | ioremap(pm8001_ha->io_mem[logicalBar].membase, | |
427 | pm8001_ha->io_mem[logicalBar].memsize); | |
428 | PM8001_INIT_DBG(pm8001_ha, | |
e590adfd S |
429 | pm8001_printk("PCI: bar %d, logicalBar %d ", |
430 | bar, logicalBar)); | |
431 | PM8001_INIT_DBG(pm8001_ha, pm8001_printk( | |
432 | "base addr %llx virt_addr=%llx len=%d\n", | |
433 | (u64)pm8001_ha->io_mem[logicalBar].membase, | |
da1dccce AKS |
434 | (u64)(unsigned long) |
435 | pm8001_ha->io_mem[logicalBar].memvirtaddr, | |
dbf9bfe6 | 436 | pm8001_ha->io_mem[logicalBar].memsize)); |
437 | } else { | |
438 | pm8001_ha->io_mem[logicalBar].membase = 0; | |
439 | pm8001_ha->io_mem[logicalBar].memsize = 0; | |
440 | pm8001_ha->io_mem[logicalBar].memvirtaddr = 0; | |
441 | } | |
442 | logicalBar++; | |
443 | } | |
444 | return 0; | |
445 | } | |
446 | ||
447 | /** | |
448 | * pm8001_pci_alloc - initialize our ha card structure | |
449 | * @pdev: pci device. | |
450 | * @ent: ent | |
451 | * @shost: scsi host struct which has been initialized before. | |
452 | */ | |
6f039790 | 453 | static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev, |
e590adfd S |
454 | const struct pci_device_id *ent, |
455 | struct Scsi_Host *shost) | |
456 | ||
dbf9bfe6 | 457 | { |
458 | struct pm8001_hba_info *pm8001_ha; | |
459 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
6cd60b37 | 460 | int j; |
dbf9bfe6 | 461 | |
462 | pm8001_ha = sha->lldd_ha; | |
463 | if (!pm8001_ha) | |
464 | return NULL; | |
465 | ||
466 | pm8001_ha->pdev = pdev; | |
467 | pm8001_ha->dev = &pdev->dev; | |
e590adfd | 468 | pm8001_ha->chip_id = ent->driver_data; |
dbf9bfe6 | 469 | pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id]; |
470 | pm8001_ha->irq = pdev->irq; | |
471 | pm8001_ha->sas = sha; | |
472 | pm8001_ha->shost = shost; | |
473 | pm8001_ha->id = pm8001_id++; | |
dbf9bfe6 | 474 | pm8001_ha->logging_level = 0x01; |
475 | sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id); | |
f74cf271 S |
476 | /* IOMB size is 128 for 8088/89 controllers */ |
477 | if (pm8001_ha->chip_id != chip_8001) | |
478 | pm8001_ha->iomb_size = IOMB_SIZE_SPCV; | |
479 | else | |
480 | pm8001_ha->iomb_size = IOMB_SIZE_SPC; | |
481 | ||
dbf9bfe6 | 482 | #ifdef PM8001_USE_TASKLET |
6cd60b37 NG |
483 | /* Tasklet for non msi-x interrupt handler */ |
484 | if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) | |
485 | tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, | |
486 | (unsigned long)&(pm8001_ha->irq_vector[0])); | |
487 | else | |
488 | for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) | |
489 | tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, | |
490 | (unsigned long)&(pm8001_ha->irq_vector[j])); | |
dbf9bfe6 | 491 | #endif |
492 | pm8001_ioremap(pm8001_ha); | |
e590adfd | 493 | if (!pm8001_alloc(pm8001_ha, ent)) |
dbf9bfe6 | 494 | return pm8001_ha; |
495 | pm8001_free(pm8001_ha); | |
496 | return NULL; | |
497 | } | |
498 | ||
499 | /** | |
500 | * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit | |
501 | * @pdev: pci device. | |
502 | */ | |
503 | static int pci_go_44(struct pci_dev *pdev) | |
504 | { | |
505 | int rc; | |
506 | ||
507 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) { | |
508 | rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44)); | |
509 | if (rc) { | |
510 | rc = pci_set_consistent_dma_mask(pdev, | |
511 | DMA_BIT_MASK(32)); | |
512 | if (rc) { | |
513 | dev_printk(KERN_ERR, &pdev->dev, | |
514 | "44-bit DMA enable failed\n"); | |
515 | return rc; | |
516 | } | |
517 | } | |
518 | } else { | |
519 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
520 | if (rc) { | |
521 | dev_printk(KERN_ERR, &pdev->dev, | |
522 | "32-bit DMA enable failed\n"); | |
523 | return rc; | |
524 | } | |
525 | rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | |
526 | if (rc) { | |
527 | dev_printk(KERN_ERR, &pdev->dev, | |
528 | "32-bit consistent DMA enable failed\n"); | |
529 | return rc; | |
530 | } | |
531 | } | |
532 | return rc; | |
533 | } | |
534 | ||
535 | /** | |
536 | * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them. | |
537 | * @shost: scsi host which has been allocated outside. | |
538 | * @chip_info: our ha struct. | |
539 | */ | |
6f039790 GKH |
540 | static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost, |
541 | const struct pm8001_chip_info *chip_info) | |
dbf9bfe6 | 542 | { |
543 | int phy_nr, port_nr; | |
544 | struct asd_sas_phy **arr_phy; | |
545 | struct asd_sas_port **arr_port; | |
546 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
547 | ||
548 | phy_nr = chip_info->n_phy; | |
549 | port_nr = phy_nr; | |
550 | memset(sha, 0x00, sizeof(*sha)); | |
551 | arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL); | |
552 | if (!arr_phy) | |
553 | goto exit; | |
554 | arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL); | |
555 | if (!arr_port) | |
556 | goto exit_free2; | |
557 | ||
558 | sha->sas_phy = arr_phy; | |
559 | sha->sas_port = arr_port; | |
560 | sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL); | |
561 | if (!sha->lldd_ha) | |
562 | goto exit_free1; | |
563 | ||
564 | shost->transportt = pm8001_stt; | |
565 | shost->max_id = PM8001_MAX_DEVICES; | |
566 | shost->max_lun = 8; | |
567 | shost->max_channel = 0; | |
568 | shost->unique_id = pm8001_id; | |
569 | shost->max_cmd_len = 16; | |
570 | shost->can_queue = PM8001_CAN_QUEUE; | |
571 | shost->cmd_per_lun = 32; | |
572 | return 0; | |
573 | exit_free1: | |
574 | kfree(arr_port); | |
575 | exit_free2: | |
576 | kfree(arr_phy); | |
577 | exit: | |
578 | return -1; | |
579 | } | |
580 | ||
581 | /** | |
582 | * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas | |
583 | * @shost: scsi host which has been allocated outside | |
584 | * @chip_info: our ha struct. | |
585 | */ | |
6f039790 GKH |
586 | static void pm8001_post_sas_ha_init(struct Scsi_Host *shost, |
587 | const struct pm8001_chip_info *chip_info) | |
dbf9bfe6 | 588 | { |
589 | int i = 0; | |
590 | struct pm8001_hba_info *pm8001_ha; | |
591 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
592 | ||
593 | pm8001_ha = sha->lldd_ha; | |
594 | for (i = 0; i < chip_info->n_phy; i++) { | |
595 | sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy; | |
596 | sha->sas_port[i] = &pm8001_ha->port[i].sas_port; | |
597 | } | |
598 | sha->sas_ha_name = DRV_NAME; | |
599 | sha->dev = pm8001_ha->dev; | |
600 | ||
601 | sha->lldd_module = THIS_MODULE; | |
602 | sha->sas_addr = &pm8001_ha->sas_addr[0]; | |
603 | sha->num_phys = chip_info->n_phy; | |
604 | sha->lldd_max_execute_num = 1; | |
605 | sha->lldd_queue_size = PM8001_CAN_QUEUE; | |
606 | sha->core.shost = shost; | |
607 | } | |
608 | ||
609 | /** | |
610 | * pm8001_init_sas_add - initialize sas address | |
611 | * @chip_info: our ha struct. | |
612 | * | |
613 | * Currently we just set the fixed SAS address to our HBA,for manufacture, | |
614 | * it should read from the EEPROM | |
615 | */ | |
616 | static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) | |
617 | { | |
a33a0155 | 618 | u8 i, j; |
dbf9bfe6 | 619 | #ifdef PM8001_READ_VPD |
a33a0155 S |
620 | /* For new SPC controllers WWN is stored in flash vpd |
621 | * For SPC/SPCve controllers WWN is stored in EEPROM | |
622 | * For Older SPC WWN is stored in NVMD | |
623 | */ | |
dbf9bfe6 | 624 | DECLARE_COMPLETION_ONSTACK(completion); |
7c8356d9 | 625 | struct pm8001_ioctl_payload payload; |
a33a0155 | 626 | u16 deviceid; |
5b4ce882 TH |
627 | int rc; |
628 | ||
a33a0155 | 629 | pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid); |
dbf9bfe6 | 630 | pm8001_ha->nvmd_completion = &completion; |
a33a0155 S |
631 | |
632 | if (pm8001_ha->chip_id == chip_8001) { | |
f49d2132 | 633 | if (deviceid == 0x8081 || deviceid == 0x0042) { |
a33a0155 S |
634 | payload.minor_function = 4; |
635 | payload.length = 4096; | |
636 | } else { | |
637 | payload.minor_function = 0; | |
638 | payload.length = 128; | |
639 | } | |
640 | } else { | |
641 | payload.minor_function = 1; | |
642 | payload.length = 4096; | |
643 | } | |
644 | payload.offset = 0; | |
645 | payload.func_specific = kzalloc(payload.length, GFP_KERNEL); | |
5b4ce882 TH |
646 | if (!payload.func_specific) { |
647 | PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n")); | |
648 | return; | |
649 | } | |
650 | rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); | |
651 | if (rc) { | |
652 | kfree(payload.func_specific); | |
653 | PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n")); | |
654 | return; | |
655 | } | |
dbf9bfe6 | 656 | wait_for_completion(&completion); |
a33a0155 S |
657 | |
658 | for (i = 0, j = 0; i <= 7; i++, j++) { | |
659 | if (pm8001_ha->chip_id == chip_8001) { | |
660 | if (deviceid == 0x8081) | |
661 | pm8001_ha->sas_addr[j] = | |
662 | payload.func_specific[0x704 + i]; | |
f49d2132 BG |
663 | else if (deviceid == 0x0042) |
664 | pm8001_ha->sas_addr[j] = | |
665 | payload.func_specific[0x010 + i]; | |
a33a0155 S |
666 | } else |
667 | pm8001_ha->sas_addr[j] = | |
668 | payload.func_specific[0x804 + i]; | |
669 | } | |
670 | ||
dbf9bfe6 | 671 | for (i = 0; i < pm8001_ha->chip->n_phy; i++) { |
a33a0155 S |
672 | memcpy(&pm8001_ha->phy[i].dev_sas_addr, |
673 | pm8001_ha->sas_addr, SAS_ADDR_SIZE); | |
dbf9bfe6 | 674 | PM8001_INIT_DBG(pm8001_ha, |
a33a0155 | 675 | pm8001_printk("phy %d sas_addr = %016llx\n", i, |
7c8356d9 | 676 | pm8001_ha->phy[i].dev_sas_addr)); |
dbf9bfe6 | 677 | } |
5b4ce882 | 678 | kfree(payload.func_specific); |
dbf9bfe6 | 679 | #else |
680 | for (i = 0; i < pm8001_ha->chip->n_phy; i++) { | |
7c8356d9 | 681 | pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL; |
dbf9bfe6 | 682 | pm8001_ha->phy[i].dev_sas_addr = |
683 | cpu_to_be64((u64) | |
684 | (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr)); | |
685 | } | |
686 | memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr, | |
687 | SAS_ADDR_SIZE); | |
688 | #endif | |
689 | } | |
690 | ||
27909407 AKS |
691 | /* |
692 | * pm8001_get_phy_settings_info : Read phy setting values. | |
693 | * @pm8001_ha : our hba. | |
694 | */ | |
f2c6f180 | 695 | static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) |
27909407 AKS |
696 | { |
697 | ||
698 | #ifdef PM8001_READ_VPD | |
699 | /*OPTION ROM FLASH read for the SPC cards */ | |
700 | DECLARE_COMPLETION_ONSTACK(completion); | |
701 | struct pm8001_ioctl_payload payload; | |
5b4ce882 | 702 | int rc; |
27909407 AKS |
703 | |
704 | pm8001_ha->nvmd_completion = &completion; | |
705 | /* SAS ADDRESS read from flash / EEPROM */ | |
706 | payload.minor_function = 6; | |
707 | payload.offset = 0; | |
708 | payload.length = 4096; | |
709 | payload.func_specific = kzalloc(4096, GFP_KERNEL); | |
f2c6f180 ML |
710 | if (!payload.func_specific) |
711 | return -ENOMEM; | |
27909407 | 712 | /* Read phy setting values from flash */ |
5b4ce882 TH |
713 | rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); |
714 | if (rc) { | |
715 | kfree(payload.func_specific); | |
716 | PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n")); | |
717 | return -ENOMEM; | |
718 | } | |
27909407 AKS |
719 | wait_for_completion(&completion); |
720 | pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific); | |
f2c6f180 | 721 | kfree(payload.func_specific); |
27909407 | 722 | #endif |
f2c6f180 | 723 | return 0; |
27909407 AKS |
724 | } |
725 | ||
dbf9bfe6 | 726 | #ifdef PM8001_USE_MSIX |
727 | /** | |
728 | * pm8001_setup_msix - enable MSI-X interrupt | |
729 | * @chip_info: our ha struct. | |
730 | * @irq_handler: irq_handler | |
731 | */ | |
1245ee59 | 732 | static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha) |
dbf9bfe6 | 733 | { |
734 | u32 i = 0, j = 0; | |
1245ee59 | 735 | u32 number_of_intr; |
dbf9bfe6 | 736 | int flag = 0; |
737 | u32 max_entry; | |
738 | int rc; | |
1245ee59 S |
739 | static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3]; |
740 | ||
741 | /* SPCv controllers supports 64 msi-x */ | |
742 | if (pm8001_ha->chip_id == chip_8001) { | |
743 | number_of_intr = 1; | |
1245ee59 S |
744 | } else { |
745 | number_of_intr = PM8001_MAX_MSIX_VEC; | |
746 | flag &= ~IRQF_SHARED; | |
1245ee59 S |
747 | } |
748 | ||
dbf9bfe6 | 749 | max_entry = sizeof(pm8001_ha->msix_entries) / |
750 | sizeof(pm8001_ha->msix_entries[0]); | |
dbf9bfe6 | 751 | for (i = 0; i < max_entry ; i++) |
752 | pm8001_ha->msix_entries[i].entry = i; | |
b4d511e5 | 753 | rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries, |
dbf9bfe6 | 754 | number_of_intr); |
755 | pm8001_ha->number_of_intr = number_of_intr; | |
b4d511e5 AG |
756 | if (rc) |
757 | return rc; | |
758 | ||
759 | PM8001_INIT_DBG(pm8001_ha, pm8001_printk( | |
760 | "pci_enable_msix_exact request ret:%d no of intr %d\n", | |
761 | rc, pm8001_ha->number_of_intr)); | |
762 | ||
763 | for (i = 0; i < number_of_intr; i++) { | |
764 | snprintf(intr_drvname[i], sizeof(intr_drvname[0]), | |
765 | DRV_NAME"%d", i); | |
766 | pm8001_ha->irq_vector[i].irq_id = i; | |
767 | pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; | |
768 | ||
769 | rc = request_irq(pm8001_ha->msix_entries[i].vector, | |
770 | pm8001_interrupt_handler_msix, flag, | |
771 | intr_drvname[i], &(pm8001_ha->irq_vector[i])); | |
772 | if (rc) { | |
773 | for (j = 0; j < i; j++) { | |
774 | free_irq(pm8001_ha->msix_entries[j].vector, | |
6cd60b37 | 775 | &(pm8001_ha->irq_vector[i])); |
dbf9bfe6 | 776 | } |
b4d511e5 AG |
777 | pci_disable_msix(pm8001_ha->pdev); |
778 | break; | |
dbf9bfe6 | 779 | } |
780 | } | |
b4d511e5 | 781 | |
dbf9bfe6 | 782 | return rc; |
783 | } | |
784 | #endif | |
785 | ||
786 | /** | |
787 | * pm8001_request_irq - register interrupt | |
788 | * @chip_info: our ha struct. | |
789 | */ | |
790 | static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha) | |
791 | { | |
792 | struct pci_dev *pdev; | |
97ee2088 | 793 | int rc; |
dbf9bfe6 | 794 | |
795 | pdev = pm8001_ha->pdev; | |
796 | ||
797 | #ifdef PM8001_USE_MSIX | |
e1e819cc | 798 | if (pdev->msix_cap) |
1245ee59 S |
799 | return pm8001_setup_msix(pm8001_ha); |
800 | else { | |
801 | PM8001_INIT_DBG(pm8001_ha, | |
802 | pm8001_printk("MSIX not supported!!!\n")); | |
dbf9bfe6 | 803 | goto intx; |
1245ee59 | 804 | } |
dbf9bfe6 | 805 | #endif |
806 | ||
807 | intx: | |
b595076a | 808 | /* initialize the INT-X interrupt */ |
1245ee59 S |
809 | rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED, |
810 | DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost)); | |
dbf9bfe6 | 811 | return rc; |
812 | } | |
813 | ||
814 | /** | |
815 | * pm8001_pci_probe - probe supported device | |
816 | * @pdev: pci device which kernel has been prepared for. | |
817 | * @ent: pci device id | |
818 | * | |
819 | * This function is the main initialization function, when register a new | |
820 | * pci driver it is invoked, all struct an hardware initilization should be done | |
821 | * here, also, register interrupt | |
822 | */ | |
6f039790 GKH |
823 | static int pm8001_pci_probe(struct pci_dev *pdev, |
824 | const struct pci_device_id *ent) | |
dbf9bfe6 | 825 | { |
826 | unsigned int rc; | |
827 | u32 pci_reg; | |
1245ee59 | 828 | u8 i = 0; |
dbf9bfe6 | 829 | struct pm8001_hba_info *pm8001_ha; |
830 | struct Scsi_Host *shost = NULL; | |
831 | const struct pm8001_chip_info *chip; | |
832 | ||
833 | dev_printk(KERN_INFO, &pdev->dev, | |
a70b8fc3 | 834 | "pm80xx: driver version %s\n", DRV_VERSION); |
dbf9bfe6 | 835 | rc = pci_enable_device(pdev); |
836 | if (rc) | |
837 | goto err_out_enable; | |
838 | pci_set_master(pdev); | |
839 | /* | |
840 | * Enable pci slot busmaster by setting pci command register. | |
841 | * This is required by FW for Cyclone card. | |
842 | */ | |
843 | ||
844 | pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg); | |
845 | pci_reg |= 0x157; | |
846 | pci_write_config_dword(pdev, PCI_COMMAND, pci_reg); | |
847 | rc = pci_request_regions(pdev, DRV_NAME); | |
848 | if (rc) | |
849 | goto err_out_disable; | |
850 | rc = pci_go_44(pdev); | |
851 | if (rc) | |
852 | goto err_out_regions; | |
853 | ||
854 | shost = scsi_host_alloc(&pm8001_sht, sizeof(void *)); | |
855 | if (!shost) { | |
856 | rc = -ENOMEM; | |
857 | goto err_out_regions; | |
858 | } | |
859 | chip = &pm8001_chips[ent->driver_data]; | |
860 | SHOST_TO_SAS_HA(shost) = | |
3dbf6c00 | 861 | kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL); |
dbf9bfe6 | 862 | if (!SHOST_TO_SAS_HA(shost)) { |
863 | rc = -ENOMEM; | |
864 | goto err_out_free_host; | |
865 | } | |
866 | ||
867 | rc = pm8001_prep_sas_ha_init(shost, chip); | |
868 | if (rc) { | |
869 | rc = -ENOMEM; | |
870 | goto err_out_free; | |
871 | } | |
872 | pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost)); | |
e590adfd S |
873 | /* ent->driver variable is used to differentiate between controllers */ |
874 | pm8001_ha = pm8001_pci_alloc(pdev, ent, shost); | |
dbf9bfe6 | 875 | if (!pm8001_ha) { |
876 | rc = -ENOMEM; | |
877 | goto err_out_free; | |
878 | } | |
879 | list_add_tail(&pm8001_ha->list, &hba_list); | |
f5860992 | 880 | PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); |
dbf9bfe6 | 881 | rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); |
a70b8fc3 S |
882 | if (rc) { |
883 | PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( | |
884 | "chip_init failed [ret: %d]\n", rc)); | |
dbf9bfe6 | 885 | goto err_out_ha_free; |
a70b8fc3 | 886 | } |
dbf9bfe6 | 887 | |
888 | rc = scsi_add_host(shost, &pdev->dev); | |
889 | if (rc) | |
890 | goto err_out_ha_free; | |
891 | rc = pm8001_request_irq(pm8001_ha); | |
a70b8fc3 S |
892 | if (rc) { |
893 | PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( | |
894 | "pm8001_request_irq failed [ret: %d]\n", rc)); | |
dbf9bfe6 | 895 | goto err_out_shost; |
a70b8fc3 | 896 | } |
dbf9bfe6 | 897 | |
f74cf271 | 898 | PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); |
1245ee59 S |
899 | if (pm8001_ha->chip_id != chip_8001) { |
900 | for (i = 1; i < pm8001_ha->number_of_intr; i++) | |
901 | PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); | |
a6cb3d01 S |
902 | /* setup thermal configuration. */ |
903 | pm80xx_set_thermal_config(pm8001_ha); | |
1245ee59 S |
904 | } |
905 | ||
dbf9bfe6 | 906 | pm8001_init_sas_add(pm8001_ha); |
27909407 AKS |
907 | /* phy setting support for motherboard controller */ |
908 | if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 && | |
f2c6f180 ML |
909 | pdev->subsystem_vendor != 0) { |
910 | rc = pm8001_get_phy_settings_info(pm8001_ha); | |
911 | if (rc) | |
912 | goto err_out_shost; | |
913 | } | |
dbf9bfe6 | 914 | pm8001_post_sas_ha_init(shost, chip); |
915 | rc = sas_register_ha(SHOST_TO_SAS_HA(shost)); | |
916 | if (rc) | |
917 | goto err_out_shost; | |
918 | scsi_scan_host(pm8001_ha->shost); | |
919 | return 0; | |
920 | ||
921 | err_out_shost: | |
922 | scsi_remove_host(pm8001_ha->shost); | |
923 | err_out_ha_free: | |
924 | pm8001_free(pm8001_ha); | |
925 | err_out_free: | |
926 | kfree(SHOST_TO_SAS_HA(shost)); | |
927 | err_out_free_host: | |
928 | kfree(shost); | |
929 | err_out_regions: | |
930 | pci_release_regions(pdev); | |
931 | err_out_disable: | |
932 | pci_disable_device(pdev); | |
933 | err_out_enable: | |
934 | return rc; | |
935 | } | |
936 | ||
6f039790 | 937 | static void pm8001_pci_remove(struct pci_dev *pdev) |
dbf9bfe6 | 938 | { |
939 | struct sas_ha_struct *sha = pci_get_drvdata(pdev); | |
940 | struct pm8001_hba_info *pm8001_ha; | |
6cd60b37 | 941 | int i, j; |
dbf9bfe6 | 942 | pm8001_ha = sha->lldd_ha; |
dbf9bfe6 | 943 | sas_unregister_ha(sha); |
944 | sas_remove_host(pm8001_ha->shost); | |
945 | list_del(&pm8001_ha->list); | |
946 | scsi_remove_host(pm8001_ha->shost); | |
1245ee59 | 947 | PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); |
f5860992 | 948 | PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); |
dbf9bfe6 | 949 | |
950 | #ifdef PM8001_USE_MSIX | |
951 | for (i = 0; i < pm8001_ha->number_of_intr; i++) | |
952 | synchronize_irq(pm8001_ha->msix_entries[i].vector); | |
953 | for (i = 0; i < pm8001_ha->number_of_intr; i++) | |
1245ee59 | 954 | free_irq(pm8001_ha->msix_entries[i].vector, |
6cd60b37 | 955 | &(pm8001_ha->irq_vector[i])); |
dbf9bfe6 | 956 | pci_disable_msix(pdev); |
957 | #else | |
958 | free_irq(pm8001_ha->irq, sha); | |
959 | #endif | |
960 | #ifdef PM8001_USE_TASKLET | |
6cd60b37 NG |
961 | /* For non-msix and msix interrupts */ |
962 | if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) | |
963 | tasklet_kill(&pm8001_ha->tasklet[0]); | |
964 | else | |
965 | for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) | |
966 | tasklet_kill(&pm8001_ha->tasklet[j]); | |
dbf9bfe6 | 967 | #endif |
968 | pm8001_free(pm8001_ha); | |
969 | kfree(sha->sas_phy); | |
970 | kfree(sha->sas_port); | |
971 | kfree(sha); | |
972 | pci_release_regions(pdev); | |
973 | pci_disable_device(pdev); | |
974 | } | |
975 | ||
976 | /** | |
977 | * pm8001_pci_suspend - power management suspend main entry point | |
978 | * @pdev: PCI device struct | |
979 | * @state: PM state change to (usually PCI_D3) | |
980 | * | |
981 | * Returns 0 success, anything else error. | |
982 | */ | |
983 | static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state) | |
984 | { | |
985 | struct sas_ha_struct *sha = pci_get_drvdata(pdev); | |
986 | struct pm8001_hba_info *pm8001_ha; | |
6cd60b37 | 987 | int i, j; |
dbf9bfe6 | 988 | u32 device_state; |
989 | pm8001_ha = sha->lldd_ha; | |
9f176099 | 990 | sas_suspend_ha(sha); |
429305e4 | 991 | flush_workqueue(pm8001_wq); |
dbf9bfe6 | 992 | scsi_block_requests(pm8001_ha->shost); |
c8a2ba3f YW |
993 | if (!pdev->pm_cap) { |
994 | dev_err(&pdev->dev, " PCI PM not supported\n"); | |
dbf9bfe6 | 995 | return -ENODEV; |
996 | } | |
1245ee59 | 997 | PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); |
f5860992 | 998 | PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); |
dbf9bfe6 | 999 | #ifdef PM8001_USE_MSIX |
1000 | for (i = 0; i < pm8001_ha->number_of_intr; i++) | |
1001 | synchronize_irq(pm8001_ha->msix_entries[i].vector); | |
1002 | for (i = 0; i < pm8001_ha->number_of_intr; i++) | |
1245ee59 | 1003 | free_irq(pm8001_ha->msix_entries[i].vector, |
6cd60b37 | 1004 | &(pm8001_ha->irq_vector[i])); |
dbf9bfe6 | 1005 | pci_disable_msix(pdev); |
1006 | #else | |
1007 | free_irq(pm8001_ha->irq, sha); | |
1008 | #endif | |
1009 | #ifdef PM8001_USE_TASKLET | |
6cd60b37 NG |
1010 | /* For non-msix and msix interrupts */ |
1011 | if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) | |
1012 | tasklet_kill(&pm8001_ha->tasklet[0]); | |
1013 | else | |
1014 | for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) | |
1015 | tasklet_kill(&pm8001_ha->tasklet[j]); | |
dbf9bfe6 | 1016 | #endif |
1017 | device_state = pci_choose_state(pdev, state); | |
1018 | pm8001_printk("pdev=0x%p, slot=%s, entering " | |
1019 | "operating state [D%d]\n", pdev, | |
1020 | pm8001_ha->name, device_state); | |
1021 | pci_save_state(pdev); | |
1022 | pci_disable_device(pdev); | |
1023 | pci_set_power_state(pdev, device_state); | |
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | /** | |
1028 | * pm8001_pci_resume - power management resume main entry point | |
1029 | * @pdev: PCI device struct | |
1030 | * | |
1031 | * Returns 0 success, anything else error. | |
1032 | */ | |
1033 | static int pm8001_pci_resume(struct pci_dev *pdev) | |
1034 | { | |
1035 | struct sas_ha_struct *sha = pci_get_drvdata(pdev); | |
1036 | struct pm8001_hba_info *pm8001_ha; | |
1037 | int rc; | |
6cd60b37 | 1038 | u8 i = 0, j; |
dbf9bfe6 | 1039 | u32 device_state; |
9f176099 | 1040 | DECLARE_COMPLETION_ONSTACK(completion); |
dbf9bfe6 | 1041 | pm8001_ha = sha->lldd_ha; |
1042 | device_state = pdev->current_state; | |
1043 | ||
1044 | pm8001_printk("pdev=0x%p, slot=%s, resuming from previous " | |
1045 | "operating state [D%d]\n", pdev, pm8001_ha->name, device_state); | |
1046 | ||
1047 | pci_set_power_state(pdev, PCI_D0); | |
1048 | pci_enable_wake(pdev, PCI_D0, 0); | |
1049 | pci_restore_state(pdev); | |
1050 | rc = pci_enable_device(pdev); | |
1051 | if (rc) { | |
1052 | pm8001_printk("slot=%s Enable device failed during resume\n", | |
1053 | pm8001_ha->name); | |
1054 | goto err_out_enable; | |
1055 | } | |
1056 | ||
1057 | pci_set_master(pdev); | |
1058 | rc = pci_go_44(pdev); | |
1059 | if (rc) | |
1060 | goto err_out_disable; | |
9f176099 | 1061 | sas_prep_resume_ha(sha); |
f5860992 S |
1062 | /* chip soft rst only for spc */ |
1063 | if (pm8001_ha->chip_id == chip_8001) { | |
1064 | PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); | |
1065 | PM8001_INIT_DBG(pm8001_ha, | |
1066 | pm8001_printk("chip soft reset successful\n")); | |
1067 | } | |
dbf9bfe6 | 1068 | rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); |
1069 | if (rc) | |
1070 | goto err_out_disable; | |
1245ee59 S |
1071 | |
1072 | /* disable all the interrupt bits */ | |
1073 | PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); | |
1074 | ||
dbf9bfe6 | 1075 | rc = pm8001_request_irq(pm8001_ha); |
1076 | if (rc) | |
1077 | goto err_out_disable; | |
1245ee59 | 1078 | #ifdef PM8001_USE_TASKLET |
6cd60b37 NG |
1079 | /* Tasklet for non msi-x interrupt handler */ |
1080 | if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) | |
1081 | tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, | |
1082 | (unsigned long)&(pm8001_ha->irq_vector[0])); | |
1083 | else | |
1084 | for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) | |
1085 | tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, | |
1086 | (unsigned long)&(pm8001_ha->irq_vector[j])); | |
1245ee59 | 1087 | #endif |
f74cf271 | 1088 | PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); |
1245ee59 S |
1089 | if (pm8001_ha->chip_id != chip_8001) { |
1090 | for (i = 1; i < pm8001_ha->number_of_intr; i++) | |
1091 | PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); | |
1092 | } | |
9f176099 BG |
1093 | pm8001_ha->flags = PM8001F_RUN_TIME; |
1094 | for (i = 0; i < pm8001_ha->chip->n_phy; i++) { | |
1095 | pm8001_ha->phy[i].enable_completion = &completion; | |
1096 | PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i); | |
1097 | wait_for_completion(&completion); | |
1098 | } | |
1099 | sas_resume_ha(sha); | |
dbf9bfe6 | 1100 | return 0; |
1101 | ||
1102 | err_out_disable: | |
1103 | scsi_remove_host(pm8001_ha->shost); | |
1104 | pci_disable_device(pdev); | |
1105 | err_out_enable: | |
1106 | return rc; | |
1107 | } | |
1108 | ||
e5742101 S |
1109 | /* update of pci device, vendor id and driver data with |
1110 | * unique value for each of the controller | |
1111 | */ | |
6f039790 | 1112 | static struct pci_device_id pm8001_pci_table[] = { |
e5742101 | 1113 | { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 }, |
f49d2132 | 1114 | { PCI_VDEVICE(ATTO, 0x0042), chip_8001 }, |
e5742101 S |
1115 | /* Support for SPC/SPCv/SPCve controllers */ |
1116 | { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 }, | |
1117 | { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 }, | |
1118 | { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 }, | |
1119 | { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 }, | |
1120 | { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 }, | |
1121 | { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 }, | |
1122 | { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 }, | |
1123 | { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 }, | |
1124 | { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 }, | |
a9a923e5 AKS |
1125 | { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 }, |
1126 | { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 }, | |
1127 | { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 }, | |
1128 | { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 }, | |
1129 | { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 }, | |
1130 | { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 }, | |
e5742101 S |
1131 | { PCI_VENDOR_ID_ADAPTEC2, 0x8081, |
1132 | PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 }, | |
1133 | { PCI_VENDOR_ID_ADAPTEC2, 0x8081, | |
1134 | PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 }, | |
1135 | { PCI_VENDOR_ID_ADAPTEC2, 0x8088, | |
1136 | PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 }, | |
1137 | { PCI_VENDOR_ID_ADAPTEC2, 0x8088, | |
1138 | PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 }, | |
1139 | { PCI_VENDOR_ID_ADAPTEC2, 0x8089, | |
1140 | PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 }, | |
1141 | { PCI_VENDOR_ID_ADAPTEC2, 0x8089, | |
1142 | PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 }, | |
1143 | { PCI_VENDOR_ID_ADAPTEC2, 0x8088, | |
1144 | PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 }, | |
1145 | { PCI_VENDOR_ID_ADAPTEC2, 0x8088, | |
1146 | PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 }, | |
1147 | { PCI_VENDOR_ID_ADAPTEC2, 0x8089, | |
1148 | PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 }, | |
1149 | { PCI_VENDOR_ID_ADAPTEC2, 0x8089, | |
1150 | PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 }, | |
a9a923e5 AKS |
1151 | { PCI_VENDOR_ID_ADAPTEC2, 0x8074, |
1152 | PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 }, | |
1153 | { PCI_VENDOR_ID_ADAPTEC2, 0x8076, | |
1154 | PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 }, | |
1155 | { PCI_VENDOR_ID_ADAPTEC2, 0x8077, | |
1156 | PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 }, | |
1157 | { PCI_VENDOR_ID_ADAPTEC2, 0x8074, | |
1158 | PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 }, | |
1159 | { PCI_VENDOR_ID_ADAPTEC2, 0x8076, | |
1160 | PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 }, | |
1161 | { PCI_VENDOR_ID_ADAPTEC2, 0x8077, | |
1162 | PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 }, | |
1163 | { PCI_VENDOR_ID_ADAPTEC2, 0x8076, | |
1164 | PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 }, | |
1165 | { PCI_VENDOR_ID_ADAPTEC2, 0x8077, | |
1166 | PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 }, | |
1167 | { PCI_VENDOR_ID_ADAPTEC2, 0x8074, | |
1168 | PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 }, | |
dbf9bfe6 | 1169 | {} /* terminate list */ |
1170 | }; | |
1171 | ||
1172 | static struct pci_driver pm8001_pci_driver = { | |
1173 | .name = DRV_NAME, | |
1174 | .id_table = pm8001_pci_table, | |
1175 | .probe = pm8001_pci_probe, | |
6f039790 | 1176 | .remove = pm8001_pci_remove, |
dbf9bfe6 | 1177 | .suspend = pm8001_pci_suspend, |
1178 | .resume = pm8001_pci_resume, | |
1179 | }; | |
1180 | ||
1181 | /** | |
1182 | * pm8001_init - initialize scsi transport template | |
1183 | */ | |
1184 | static int __init pm8001_init(void) | |
1185 | { | |
429305e4 TH |
1186 | int rc = -ENOMEM; |
1187 | ||
a70b8fc3 | 1188 | pm8001_wq = alloc_workqueue("pm80xx", 0, 0); |
429305e4 TH |
1189 | if (!pm8001_wq) |
1190 | goto err; | |
1191 | ||
dbf9bfe6 | 1192 | pm8001_id = 0; |
1193 | pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops); | |
1194 | if (!pm8001_stt) | |
429305e4 | 1195 | goto err_wq; |
dbf9bfe6 | 1196 | rc = pci_register_driver(&pm8001_pci_driver); |
1197 | if (rc) | |
429305e4 | 1198 | goto err_tp; |
dbf9bfe6 | 1199 | return 0; |
429305e4 TH |
1200 | |
1201 | err_tp: | |
dbf9bfe6 | 1202 | sas_release_transport(pm8001_stt); |
429305e4 TH |
1203 | err_wq: |
1204 | destroy_workqueue(pm8001_wq); | |
1205 | err: | |
dbf9bfe6 | 1206 | return rc; |
1207 | } | |
1208 | ||
1209 | static void __exit pm8001_exit(void) | |
1210 | { | |
1211 | pci_unregister_driver(&pm8001_pci_driver); | |
1212 | sas_release_transport(pm8001_stt); | |
429305e4 | 1213 | destroy_workqueue(pm8001_wq); |
dbf9bfe6 | 1214 | } |
1215 | ||
1216 | module_init(pm8001_init); | |
1217 | module_exit(pm8001_exit); | |
1218 | ||
1219 | MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>"); | |
a9a923e5 AKS |
1220 | MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>"); |
1221 | MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>"); | |
94f33c16 | 1222 | MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>"); |
e5742101 | 1223 | MODULE_DESCRIPTION( |
a9a923e5 AKS |
1224 | "PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 " |
1225 | "SAS/SATA controller driver"); | |
dbf9bfe6 | 1226 | MODULE_VERSION(DRV_VERSION); |
1227 | MODULE_LICENSE("GPL"); | |
1228 | MODULE_DEVICE_TABLE(pci, pm8001_pci_table); | |
1229 |