]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blame - drivers/scsi/aic94xx/aic94xx_init.c
projects / mirror_ubuntu-focal-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge tag 'for-4.2' of git://git.infradead.org/battery-2.6
[mirror_ubuntu-focal-kernel.git] / drivers / scsi / aic94xx / aic94xx_init.c
CommitLineData
2908d778
JB		 1/*
2 * Aic94xx SAS/SATA driver initialization.
3 *
4 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
5 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
6 *
7 * This file is licensed under GPLv2.
8 *
9 * This file is part of the aic94xx driver.
10 *
11 * The aic94xx driver is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; version 2 of the
14 * License.
15 *
16 * The aic94xx driver is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with the aic94xx driver; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 *
25 */
26
2908d778
JB		 27#include <linux/module.h>
28#include <linux/init.h>
29#include <linux/kernel.h>
30#include <linux/pci.h>
31#include <linux/delay.h>
1237c98d 32#include <linux/firmware.h>
5a0e3ad6 33#include <linux/slab.h>
2908d778
JB		 34
35#include <scsi/scsi_host.h>
36
37#include "aic94xx.h"
38#include "aic94xx_reg.h"
39#include "aic94xx_hwi.h"
40#include "aic94xx_seq.h"
1237c98d 41#include "aic94xx_sds.h"
2908d778
JB		 42
43/* The format is "version.release.patchlevel" */
86b9c4c1 44#define ASD_DRIVER_VERSION "1.0.3"
2908d778
JB		 45
46static int use_msi = 0;
47module_param_named(use_msi, use_msi, int, S_IRUGO);
48MODULE_PARM_DESC(use_msi, "\n"
49 "\tEnable(1) or disable(0) using PCI MSI.\n"
50 "\tDefault: 0");
51
2908d778 52static struct scsi_transport_template *aic94xx_transport_template;
e7571c15
DW		 53static int asd_scan_finished(struct Scsi_Host *, unsigned long);
54static void asd_scan_start(struct Scsi_Host *);
2908d778
JB		 55
56static struct scsi_host_template aic94xx_sht = {
57 .module = THIS_MODULE,
58 /* .name is initialized */
59 .name = "aic94xx",
60 .queuecommand = sas_queuecommand,
61 .target_alloc = sas_target_alloc,
62 .slave_configure = sas_slave_configure,
e7571c15
DW		 63 .scan_finished = asd_scan_finished,
64 .scan_start = asd_scan_start,
2908d778 65 .change_queue_depth = sas_change_queue_depth,
2908d778
JB		 66 .bios_param = sas_bios_param,
67 .can_queue = 1,
2908d778
JB		 68 .this_id = -1,
69 .sg_tablesize = SG_ALL,
70 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
71 .use_clustering = ENABLE_CLUSTERING,
111367f5 72 .eh_device_reset_handler = sas_eh_device_reset_handler,
214fbb75 73 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
fa1c1e8f
DW		 74 .target_destroy = sas_target_destroy,
75 .ioctl = sas_ioctl,
2ecb204d 76 .use_blk_tags = 1,
c40ecc12 77 .track_queue_depth = 1,
2908d778
JB		 78};
79
6f039790 80static int asd_map_memio(struct asd_ha_struct *asd_ha)
2908d778
JB		 81{
82 int err, i;
83 struct asd_ha_addrspace *io_handle;
84
85 asd_ha->iospace = 0;
86 for (i = 0; i < 3; i += 2) {
87 io_handle = &asd_ha->io_handle[i==0?0:1];
88 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
89 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
90 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
91 err = -ENODEV;
92 if (!io_handle->start || !io_handle->len) {
93 asd_printk("MBAR%d start or length for %s is 0.\n",
94 i==0?0:1, pci_name(asd_ha->pcidev));
95 goto Err;
96 }
97 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
98 if (err) {
99 asd_printk("couldn't reserve memory region for %s\n",
100 pci_name(asd_ha->pcidev));
101 goto Err;
102 }
103 if (io_handle->flags & IORESOURCE_CACHEABLE)
104 io_handle->addr = ioremap(io_handle->start,
105 io_handle->len);
106 else
107 io_handle->addr = ioremap_nocache(io_handle->start,
108 io_handle->len);
109 if (!io_handle->addr) {
110 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
111 pci_name(asd_ha->pcidev));
112 goto Err_unreq;
113 }
114 }
115
116 return 0;
117Err_unreq:
118 pci_release_region(asd_ha->pcidev, i);
119Err:
120 if (i > 0) {
121 io_handle = &asd_ha->io_handle[0];
122 iounmap(io_handle->addr);
123 pci_release_region(asd_ha->pcidev, 0);
124 }
125 return err;
126}
127
a7ed0448 128static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
2908d778
JB		 129{
130 struct asd_ha_addrspace *io_handle;
131
132 io_handle = &asd_ha->io_handle[1];
133 iounmap(io_handle->addr);
134 pci_release_region(asd_ha->pcidev, 2);
135
136 io_handle = &asd_ha->io_handle[0];
137 iounmap(io_handle->addr);
138 pci_release_region(asd_ha->pcidev, 0);
139}
140
6f039790 141static int asd_map_ioport(struct asd_ha_struct *asd_ha)
2908d778
JB		 142{
143 int i = PCI_IOBAR_OFFSET, err;
144 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
145
146 asd_ha->iospace = 1;
147 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
148 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
149 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
150 io_handle->addr = (void __iomem *) io_handle->start;
151 if (!io_handle->start || !io_handle->len) {
152 asd_printk("couldn't get IO ports for %s\n",
153 pci_name(asd_ha->pcidev));
154 return -ENODEV;
155 }
156 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
157 if (err) {
158 asd_printk("couldn't reserve io space for %s\n",
159 pci_name(asd_ha->pcidev));
160 }
161
162 return err;
163}
164
a7ed0448 165static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
2908d778
JB		 166{
167 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
168}
169
6f039790 170static int asd_map_ha(struct asd_ha_struct *asd_ha)
2908d778
JB		 171{
172 int err;
173 u16 cmd_reg;
174
175 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
176 if (err) {
177 asd_printk("couldn't read command register of %s\n",
178 pci_name(asd_ha->pcidev));
179 goto Err;
180 }
181
182 err = -ENODEV;
183 if (cmd_reg & PCI_COMMAND_MEMORY) {
184 if ((err = asd_map_memio(asd_ha)))
185 goto Err;
186 } else if (cmd_reg & PCI_COMMAND_IO) {
187 if ((err = asd_map_ioport(asd_ha)))
188 goto Err;
189 asd_printk("%s ioport mapped -- upgrade your hardware\n",
190 pci_name(asd_ha->pcidev));
191 } else {
192 asd_printk("no proper device access to %s\n",
193 pci_name(asd_ha->pcidev));
194 goto Err;
195 }
196
197 return 0;
198Err:
199 return err;
200}
201
a7ed0448 202static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
2908d778
JB		 203{
204 if (asd_ha->iospace)
205 asd_unmap_ioport(asd_ha);
206 else
207 asd_unmap_memio(asd_ha);
208}
209
210static const char *asd_dev_rev[30] = {
211 [0] = "A0",
212 [1] = "A1",
213 [8] = "B0",
214};
215
6f039790 216static int asd_common_setup(struct asd_ha_struct *asd_ha)
2908d778
JB		 217{
218 int err, i;
219
44c10138
AK		 220 asd_ha->revision_id = asd_ha->pcidev->revision;
221
2908d778
JB		 222 err = -ENODEV;
223 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
224 asd_printk("%s is revision %s (%X), which is not supported\n",
225 pci_name(asd_ha->pcidev),
226 asd_dev_rev[asd_ha->revision_id],
227 asd_ha->revision_id);
228 goto Err;
229 }
230 /* Provide some sane default values. */
231 asd_ha->hw_prof.max_scbs = 512;
3b709df5 232 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
2908d778
JB		 233 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
234 /* All phys are enabled, by default. */
235 asd_ha->hw_prof.enabled_phys = 0xFF;
236 for (i = 0; i < ASD_MAX_PHYS; i++) {
88edf746
JB		 237 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
238 SAS_LINK_RATE_3_0_GBPS;
239 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
240 SAS_LINK_RATE_1_5_GBPS;
241 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
242 SAS_LINK_RATE_1_5_GBPS;
243 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
244 SAS_LINK_RATE_1_5_GBPS;
2908d778
JB		 245 }
246
247 return 0;
248Err:
249 return err;
250}
251
6f039790 252static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
2908d778
JB		 253{
254 int err = asd_common_setup(asd_ha);
255
256 if (err)
257 return err;
258
259 asd_ha->hw_prof.addr_range = 8;
260 asd_ha->hw_prof.port_name_base = 0;
261 asd_ha->hw_prof.dev_name_base = 8;
262 asd_ha->hw_prof.sata_name_base = 16;
263
264 return 0;
265}
266
6f039790 267static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
2908d778
JB		 268{
269 int err = asd_common_setup(asd_ha);
270
271 if (err)
272 return err;
273
274 asd_ha->hw_prof.addr_range = 4;
275 asd_ha->hw_prof.port_name_base = 0;
276 asd_ha->hw_prof.dev_name_base = 4;
277 asd_ha->hw_prof.sata_name_base = 8;
278
279 return 0;
280}
281
282static ssize_t asd_show_dev_rev(struct device *dev,
283 struct device_attribute *attr, char *buf)
284{
285 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
286 return snprintf(buf, PAGE_SIZE, "%s\n",
287 asd_dev_rev[asd_ha->revision_id]);
288}
289static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
290
291static ssize_t asd_show_dev_bios_build(struct device *dev,
292 struct device_attribute *attr,char *buf)
293{
294 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
295 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
296}
297static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
298
299static ssize_t asd_show_dev_pcba_sn(struct device *dev,
300 struct device_attribute *attr, char *buf)
301{
302 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
303 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
304}
305static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
306
1237c98d
GW		 307#define FLASH_CMD_NONE 0x00
308#define FLASH_CMD_UPDATE 0x01
309#define FLASH_CMD_VERIFY 0x02
310
311struct flash_command {
312 u8 command[8];
313 int code;
314};
315
316static struct flash_command flash_command_table[] =
317{
318 {"verify", FLASH_CMD_VERIFY},
319 {"update", FLASH_CMD_UPDATE},
320 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
321};
322
323struct error_bios {
324 char *reason;
325 int err_code;
326};
327
328static struct error_bios flash_error_table[] =
329{
330 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
331 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
332 {"Checksum mismatch", FAIL_CHECK_SUM},
333 {"Unknown Error", FAIL_UNKNOWN},
334 {"Failed to verify.", FAIL_VERIFY},
335 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
336 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
337 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
338 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
339 {"Flash in progress", FLASH_IN_PROGRESS},
340 {"Image file size Error", FAIL_FILE_SIZE},
341 {"Input parameter error", FAIL_PARAMETERS},
342 {"Out of memory", FAIL_OUT_MEMORY},
343 {"OK", 0} /* Last entry err_code = 0. */
344};
345
346static ssize_t asd_store_update_bios(struct device *dev,
347 struct device_attribute *attr,
348 const char *buf, size_t count)
349{
350 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
351 char *cmd_ptr, *filename_ptr;
352 struct bios_file_header header, *hdr_ptr;
353 int res, i;
354 u32 csum = 0;
355 int flash_command = FLASH_CMD_NONE;
356 int err = 0;
357
358 cmd_ptr = kzalloc(count*2, GFP_KERNEL);
359
360 if (!cmd_ptr) {
361 err = FAIL_OUT_MEMORY;
362 goto out;
363 }
364
365 filename_ptr = cmd_ptr + count;
366 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
367 if (res != 2) {
368 err = FAIL_PARAMETERS;
369 goto out1;
370 }
371
372 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
373 if (!memcmp(flash_command_table[i].command,
374 cmd_ptr, strlen(cmd_ptr))) {
375 flash_command = flash_command_table[i].code;
376 break;
377 }
378 }
379 if (flash_command == FLASH_CMD_NONE) {
380 err = FAIL_PARAMETERS;
381 goto out1;
382 }
383
384 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
385 err = FLASH_IN_PROGRESS;
386 goto out1;
387 }
388 err = request_firmware(&asd_ha->bios_image,
389 filename_ptr,
390 &asd_ha->pcidev->dev);
391 if (err) {
392 asd_printk("Failed to load bios image file %s, error %d\n",
393 filename_ptr, err);
394 err = FAIL_OPEN_BIOS_FILE;
395 goto out1;
396 }
397
398 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
399
400 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
401 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
402 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
403 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
404
405 ASD_DPRINTK("The PCI vendor or device id does not match\n");
406 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
407 " pci vendor=%x pci dev=%x\n",
408 hdr_ptr->contrl_id.vendor,
409 hdr_ptr->contrl_id.device,
410 hdr_ptr->contrl_id.sub_vendor,
411 hdr_ptr->contrl_id.sub_device,
412 asd_ha->pcidev->vendor,
413 asd_ha->pcidev->device);
414 err = FAIL_CHECK_PCI_ID;
415 goto out2;
416 }
417
418 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
419 err = FAIL_FILE_SIZE;
420 goto out2;
421 }
422
423 /* calculate checksum */
424 for (i = 0; i < hdr_ptr->filelen; i++)
425 csum += asd_ha->bios_image->data[i];
426
427 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
428 ASD_DPRINTK("BIOS file checksum mismatch\n");
429 err = FAIL_CHECK_SUM;
430 goto out2;
431 }
432 if (flash_command == FLASH_CMD_UPDATE) {
433 asd_ha->bios_status = FLASH_IN_PROGRESS;
434 err = asd_write_flash_seg(asd_ha,
435 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
436 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
437 if (!err)
438 err = asd_verify_flash_seg(asd_ha,
439 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
440 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
441 } else {
442 asd_ha->bios_status = FLASH_IN_PROGRESS;
443 err = asd_verify_flash_seg(asd_ha,
444 &asd_ha->bios_image->data[sizeof(header)],
445 0, hdr_ptr->filelen-sizeof(header));
446 }
447
448out2:
449 release_firmware(asd_ha->bios_image);
450out1:
451 kfree(cmd_ptr);
452out:
453 asd_ha->bios_status = err;
454
455 if (!err)
456 return count;
457 else
458 return -err;
459}
460
461static ssize_t asd_show_update_bios(struct device *dev,
462 struct device_attribute *attr, char *buf)
463{
464 int i;
465 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
466
467 for (i = 0; flash_error_table[i].err_code != 0; i++) {
468 if (flash_error_table[i].err_code == asd_ha->bios_status)
469 break;
470 }
471 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
472 asd_ha->bios_status = FLASH_OK;
473
474 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
475 flash_error_table[i].err_code,
476 flash_error_table[i].reason);
477}
478
8e910965 479static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
1237c98d
GW		 480 asd_show_update_bios, asd_store_update_bios);
481
bb076620 482static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
2908d778 483{
bb076620
JG		 484 int err;
485
486 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
487 if (err)
488 return err;
489
490 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
491 if (err)
492 goto err_rev;
493
494 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
495 if (err)
496 goto err_biosb;
1237c98d
GW		 497 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
498 if (err)
499 goto err_update_bios;
bb076620
JG		 500
501 return 0;
502
1237c98d
GW		 503err_update_bios:
504 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
bb076620
JG		 505err_biosb:
506 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
507err_rev:
508 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
509 return err;
2908d778
JB		 510}
511
512static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
513{
514 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
515 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
516 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
1237c98d 517 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
2908d778
JB		 518}
519
520/* The first entry, 0, is used for dynamic ids, the rest for devices
521 * we know about.
522 */
7ad4a485 523static const struct asd_pcidev_struct {
2908d778
JB		 524 const char * name;
525 int (*setup)(struct asd_ha_struct *asd_ha);
6f039790 526} asd_pcidev_data[] = {
2908d778
JB		 527 /* Id 0 is used for dynamic ids. */
528 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
529 .setup = asd_aic9410_setup
530 },
531 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
532 .setup = asd_aic9410_setup
533 },
534 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
535 .setup = asd_aic9405_setup
536 },
537};
538
81e56ded 539static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
2908d778
JB		 540{
541 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
542 &asd_ha->pcidev->dev,
543 sizeof(struct scb),
544 8, 0);
545 if (!asd_ha->scb_pool) {
546 asd_printk("couldn't create scb pool\n");
547 return -ENOMEM;
548 }
549
550 return 0;
551}
552
553/**
554 * asd_free_edbs -- free empty data buffers
555 * asd_ha: pointer to host adapter structure
556 */
81e56ded 557static void asd_free_edbs(struct asd_ha_struct *asd_ha)
2908d778
JB		 558{
559 struct asd_seq_data *seq = &asd_ha->seq;
560 int i;
561
562 for (i = 0; i < seq->num_edbs; i++)
563 asd_free_coherent(asd_ha, seq->edb_arr[i]);
564 kfree(seq->edb_arr);
565 seq->edb_arr = NULL;
566}
567
81e56ded 568static void asd_free_escbs(struct asd_ha_struct *asd_ha)
2908d778
JB		 569{
570 struct asd_seq_data *seq = &asd_ha->seq;
571 int i;
572
573 for (i = 0; i < seq->num_escbs; i++) {
574 if (!list_empty(&seq->escb_arr[i]->list))
575 list_del_init(&seq->escb_arr[i]->list);
576
577 asd_ascb_free(seq->escb_arr[i]);
578 }
579 kfree(seq->escb_arr);
580 seq->escb_arr = NULL;
581}
582
81e56ded 583static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
2908d778
JB		 584{
585 int i;
586
587 if (asd_ha->hw_prof.ddb_ext)
588 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
589 if (asd_ha->hw_prof.scb_ext)
590 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
591
592 if (asd_ha->hw_prof.ddb_bitmap)
593 kfree(asd_ha->hw_prof.ddb_bitmap);
594 asd_ha->hw_prof.ddb_bitmap = NULL;
595
596 for (i = 0; i < ASD_MAX_PHYS; i++) {
597 struct asd_phy *phy = &asd_ha->phys[i];
598
599 asd_free_coherent(asd_ha, phy->id_frm_tok);
600 }
601 if (asd_ha->seq.escb_arr)
602 asd_free_escbs(asd_ha);
603 if (asd_ha->seq.edb_arr)
604 asd_free_edbs(asd_ha);
605 if (asd_ha->hw_prof.ue.area) {
606 kfree(asd_ha->hw_prof.ue.area);
607 asd_ha->hw_prof.ue.area = NULL;
608 }
609 if (asd_ha->seq.tc_index_array) {
610 kfree(asd_ha->seq.tc_index_array);
611 kfree(asd_ha->seq.tc_index_bitmap);
612 asd_ha->seq.tc_index_array = NULL;
613 asd_ha->seq.tc_index_bitmap = NULL;
614 }
615 if (asd_ha->seq.actual_dl) {
616 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
617 asd_ha->seq.actual_dl = NULL;
618 asd_ha->seq.dl = NULL;
619 }
620 if (asd_ha->seq.next_scb.vaddr) {
621 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
622 asd_ha->seq.next_scb.dma_handle);
623 asd_ha->seq.next_scb.vaddr = NULL;
624 }
625 dma_pool_destroy(asd_ha->scb_pool);
626 asd_ha->scb_pool = NULL;
627}
628
e18b890b
CL		 629struct kmem_cache *asd_dma_token_cache;
630struct kmem_cache *asd_ascb_cache;
2908d778
JB		 631
632static int asd_create_global_caches(void)
633{
634 if (!asd_dma_token_cache) {
635 asd_dma_token_cache
636 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
637 sizeof(struct asd_dma_tok),
638 0,
639 SLAB_HWCACHE_ALIGN,
20c2df83 640 NULL);
2908d778
JB		 641 if (!asd_dma_token_cache) {
642 asd_printk("couldn't create dma token cache\n");
643 return -ENOMEM;
644 }
645 }
646
647 if (!asd_ascb_cache) {
648 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
649 sizeof(struct asd_ascb),
650 0,
651 SLAB_HWCACHE_ALIGN,
20c2df83 652 NULL);
2908d778
JB		 653 if (!asd_ascb_cache) {
654 asd_printk("couldn't create ascb cache\n");
655 goto Err;
656 }
657 }
658
659 return 0;
660Err:
661 kmem_cache_destroy(asd_dma_token_cache);
662 asd_dma_token_cache = NULL;
663 return -ENOMEM;
664}
665
666static void asd_destroy_global_caches(void)
667{
668 if (asd_dma_token_cache)
669 kmem_cache_destroy(asd_dma_token_cache);
670 asd_dma_token_cache = NULL;
671
672 if (asd_ascb_cache)
673 kmem_cache_destroy(asd_ascb_cache);
674 asd_ascb_cache = NULL;
675}
676
677static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
678{
679 int i;
680 struct asd_sas_phy **sas_phys =
85bc081f 681 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
2908d778 682 struct asd_sas_port **sas_ports =
85bc081f 683 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
2908d778
JB		 684
685 if (!sas_phys || !sas_ports) {
686 kfree(sas_phys);
687 kfree(sas_ports);
688 return -ENOMEM;
689 }
690
691 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
692 asd_ha->sas_ha.lldd_module = THIS_MODULE;
693 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
694
695 for (i = 0; i < ASD_MAX_PHYS; i++) {
696 sas_phys[i] = &asd_ha->phys[i].sas_phy;
697 sas_ports[i] = &asd_ha->ports[i];
698 }
699
700 asd_ha->sas_ha.sas_phy = sas_phys;
701 asd_ha->sas_ha.sas_port= sas_ports;
702 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
703
2908d778
JB		 704 return sas_register_ha(&asd_ha->sas_ha);
705}
706
707static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
708{
709 int err;
710
711 err = sas_unregister_ha(&asd_ha->sas_ha);
712
713 sas_remove_host(asd_ha->sas_ha.core.shost);
714 scsi_remove_host(asd_ha->sas_ha.core.shost);
715 scsi_host_put(asd_ha->sas_ha.core.shost);
716
717 kfree(asd_ha->sas_ha.sas_phy);
718 kfree(asd_ha->sas_ha.sas_port);
719
720 return err;
721}
722
6f039790 723static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
2908d778 724{
7ad4a485 725 const struct asd_pcidev_struct *asd_dev;
2908d778
JB		 726 unsigned asd_id = (unsigned) id->driver_data;
727 struct asd_ha_struct *asd_ha;
728 struct Scsi_Host *shost;
729 int err;
730
731 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
732 asd_printk("wrong driver_data in PCI table\n");
733 return -ENODEV;
734 }
735
736 if ((err = pci_enable_device(dev))) {
737 asd_printk("couldn't enable device %s\n", pci_name(dev));
738 return err;
739 }
740
741 pci_set_master(dev);
742
743 err = -ENOMEM;
744
745 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
746 if (!shost)
747 goto Err;
748
749 asd_dev = &asd_pcidev_data[asd_id];
750
751 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
752 if (!asd_ha) {
753 asd_printk("out of memory\n");
f01abb36 754 goto Err_put;
2908d778
JB		 755 }
756 asd_ha->pcidev = dev;
1d1bbee6 757 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
2908d778
JB		 758 asd_ha->sas_ha.lldd_ha = asd_ha;
759
1237c98d 760 asd_ha->bios_status = FLASH_OK;
2908d778
JB		 761 asd_ha->name = asd_dev->name;
762 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
763
764 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
765 asd_ha->sas_ha.core.shost = shost;
766 shost->transportt = aic94xx_transport_template;
767 shost->max_id = ~0;
768 shost->max_lun = ~0;
769 shost->max_cmd_len = 16;
770
771 err = scsi_add_host(shost, &dev->dev);
f01abb36 772 if (err)
2908d778 773 goto Err_free;
2908d778 774
2908d778
JB		 775 err = asd_dev->setup(asd_ha);
776 if (err)
f01abb36 777 goto Err_remove;
2908d778
JB		 778
779 err = -ENODEV;
6a35528a
YH		 780 if (!pci_set_dma_mask(dev, DMA_BIT_MASK(64))
781 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64)))
2908d778 782 ;
284901a9
YH		 783 else if (!pci_set_dma_mask(dev, DMA_BIT_MASK(32))
784 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32)))
2908d778
JB		 785 ;
786 else {
787 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
f01abb36 788 goto Err_remove;
2908d778
JB		 789 }
790
791 pci_set_drvdata(dev, asd_ha);
792
793 err = asd_map_ha(asd_ha);
794 if (err)
f01abb36 795 goto Err_remove;
2908d778
JB		 796
797 err = asd_create_ha_caches(asd_ha);
798 if (err)
799 goto Err_unmap;
800
801 err = asd_init_hw(asd_ha);
802 if (err)
803 goto Err_free_cache;
804
805 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
806 "phys, flash %s, BIOS %s%d\n",
807 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
808 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
809 asd_ha->hw_prof.num_phys,
810 asd_ha->hw_prof.flash.present ? "present" : "not present",
811 asd_ha->hw_prof.bios.present ? "build " : "not present",
812 asd_ha->hw_prof.bios.bld);
813
f19eaa7f
DW		 814 shost->can_queue = asd_ha->seq.can_queue;
815
2908d778
JB		 816 if (use_msi)
817 pci_enable_msi(asd_ha->pcidev);
818
38515e90 819 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
2908d778
JB		 820 ASD_DRIVER_NAME, asd_ha);
821 if (err) {
822 asd_printk("couldn't get irq %d for %s\n",
823 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
824 goto Err_irq;
825 }
826 asd_enable_ints(asd_ha);
827
828 err = asd_init_post_escbs(asd_ha);
829 if (err) {
830 asd_printk("couldn't post escbs for %s\n",
831 pci_name(asd_ha->pcidev));
832 goto Err_escbs;
833 }
834 ASD_DPRINTK("escbs posted\n");
835
bb076620
JG		 836 err = asd_create_dev_attrs(asd_ha);
837 if (err)
838 goto Err_dev_attrs;
2908d778
JB		 839
840 err = asd_register_sas_ha(asd_ha);
841 if (err)
842 goto Err_reg_sas;
843
e7571c15 844 scsi_scan_host(shost);
2908d778
JB		 845
846 return 0;
e7571c15 847
2908d778
JB		 848Err_reg_sas:
849 asd_remove_dev_attrs(asd_ha);
bb076620 850Err_dev_attrs:
2908d778
JB		 851Err_escbs:
852 asd_disable_ints(asd_ha);
853 free_irq(dev->irq, asd_ha);
854Err_irq:
855 if (use_msi)
856 pci_disable_msi(dev);
857 asd_chip_hardrst(asd_ha);
858Err_free_cache:
859 asd_destroy_ha_caches(asd_ha);
860Err_unmap:
861 asd_unmap_ha(asd_ha);
f01abb36
MW		 862Err_remove:
863 scsi_remove_host(shost);
2908d778
JB		 864Err_free:
865 kfree(asd_ha);
f01abb36
MW		 866Err_put:
867 scsi_host_put(shost);
2908d778
JB		 868Err:
869 pci_disable_device(dev);
870 return err;
871}
872
873static void asd_free_queues(struct asd_ha_struct *asd_ha)
874{
875 unsigned long flags;
876 LIST_HEAD(pending);
877 struct list_head *n, *pos;
878
879 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
880 asd_ha->seq.pending = 0;
881 list_splice_init(&asd_ha->seq.pend_q, &pending);
882 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
883
884 if (!list_empty(&pending))
885 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
886
887 list_for_each_safe(pos, n, &pending) {
888 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
7b4feee9
DW		 889 /*
890 * Delete unexpired ascb timers. This may happen if we issue
891 * a CONTROL PHY scb to an adapter and rmmod before the scb
892 * times out. Apparently we don't wait for the CONTROL PHY
893 * to complete, so it doesn't matter if we kill the timer.
894 */
895 del_timer_sync(&ascb->timer);
896 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
897
2908d778
JB		 898 list_del_init(pos);
899 ASD_DPRINTK("freeing from pending\n");
900 asd_ascb_free(ascb);
901 }
902}
903
904static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
905{
906 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
907 u8 i;
908
909 for_each_phy(phy_mask, phy_mask, i) {
910 asd_turn_led(asd_ha, i, 0);
911 asd_control_led(asd_ha, i, 0);
912 }
913}
914
6f039790 915static void asd_pci_remove(struct pci_dev *dev)
2908d778
JB		 916{
917 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
918
919 if (!asd_ha)
920 return;
921
922 asd_unregister_sas_ha(asd_ha);
923
924 asd_disable_ints(asd_ha);
925
926 asd_remove_dev_attrs(asd_ha);
927
928 /* XXX more here as needed */
929
930 free_irq(dev->irq, asd_ha);
931 if (use_msi)
932 pci_disable_msi(asd_ha->pcidev);
933 asd_turn_off_leds(asd_ha);
934 asd_chip_hardrst(asd_ha);
935 asd_free_queues(asd_ha);
936 asd_destroy_ha_caches(asd_ha);
937 asd_unmap_ha(asd_ha);
938 kfree(asd_ha);
939 pci_disable_device(dev);
940 return;
941}
942
e7571c15
DW		 943static void asd_scan_start(struct Scsi_Host *shost)
944{
945 struct asd_ha_struct *asd_ha;
946 int err;
947
948 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
949 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
950 if (err)
951 asd_printk("Couldn't enable phys, err:%d\n", err);
952}
953
954static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
955{
956 /* give the phy enabling interrupt event time to come in (1s
957 * is empirically about all it takes) */
958 if (time < HZ)
959 return 0;
960 /* Wait for discovery to finish */
b1124cd3 961 sas_drain_work(SHOST_TO_SAS_HA(shost));
e7571c15
DW		 962 return 1;
963}
964
2908d778
JB		 965static ssize_t asd_version_show(struct device_driver *driver, char *buf)
966{
967 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
968}
969static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
970
bb076620 971static int asd_create_driver_attrs(struct device_driver *driver)
2908d778 972{
bb076620 973 return driver_create_file(driver, &driver_attr_version);
2908d778
JB		 974}
975
976static void asd_remove_driver_attrs(struct device_driver *driver)
977{
978 driver_remove_file(driver, &driver_attr_version);
979}
980
981static struct sas_domain_function_template aic94xx_transport_functions = {
2908d778
JB		 982 .lldd_dev_found = asd_dev_found,
983 .lldd_dev_gone = asd_dev_gone,
984
985 .lldd_execute_task = asd_execute_task,
986
987 .lldd_abort_task = asd_abort_task,
988 .lldd_abort_task_set = asd_abort_task_set,
989 .lldd_clear_aca = asd_clear_aca,
990 .lldd_clear_task_set = asd_clear_task_set,
63edf49e 991 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
2908d778
JB		 992 .lldd_lu_reset = asd_lu_reset,
993 .lldd_query_task = asd_query_task,
994
995 .lldd_clear_nexus_port = asd_clear_nexus_port,
996 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
997
998 .lldd_control_phy = asd_control_phy,
b91bb296
DW		 999
1000 .lldd_ata_set_dmamode = asd_set_dmamode,
2908d778
JB		 1001};
1002
6f039790 1003static const struct pci_device_id aic94xx_pci_table[] = {
f9755bea
GW		 1004 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
1005 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
1006 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
1007 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
1008 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
1009 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
1010 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
1011 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
1012 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
2908d778
JB		 1013 {}
1014};
1015
1016MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
1017
1018static struct pci_driver aic94xx_pci_driver = {
1019 .name = ASD_DRIVER_NAME,
1020 .id_table = aic94xx_pci_table,
1021 .probe = asd_pci_probe,
6f039790 1022 .remove = asd_pci_remove,
2908d778
JB		 1023};
1024
1025static int __init aic94xx_init(void)
1026{
1027 int err;
1028
1029
1030 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1031 ASD_DRIVER_VERSION);
1032
1033 err = asd_create_global_caches();
1034 if (err)
1035 return err;
1036
1037 aic94xx_transport_template =
1038 sas_domain_attach_transport(&aic94xx_transport_functions);
10d19ae5 1039 if (!aic94xx_transport_template)
2908d778
JB		 1040 goto out_destroy_caches;
1041
1042 err = pci_register_driver(&aic94xx_pci_driver);
1043 if (err)
1044 goto out_release_transport;
1045
bb076620
JG		 1046 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1047 if (err)
1048 goto out_unregister_pcidrv;
2908d778
JB		 1049
1050 return err;
1051
bb076620
JG		 1052 out_unregister_pcidrv:
1053 pci_unregister_driver(&aic94xx_pci_driver);
2908d778
JB		 1054 out_release_transport:
1055 sas_release_transport(aic94xx_transport_template);
1056 out_destroy_caches:
1057 asd_destroy_global_caches();
1058
1059 return err;
1060}
1061
1062static void __exit aic94xx_exit(void)
1063{
1064 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1065 pci_unregister_driver(&aic94xx_pci_driver);
1066 sas_release_transport(aic94xx_transport_template);
bf2a1928 1067 asd_release_firmware();
2908d778
JB		 1068 asd_destroy_global_caches();
1069 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1070 ASD_DRIVER_VERSION);
1071}
1072
1073module_init(aic94xx_init);
1074module_exit(aic94xx_exit);
1075
1076MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1077MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1078MODULE_LICENSE("GPL v2");
1079MODULE_VERSION(ASD_DRIVER_VERSION);
Ubuntu Focal Linux kernel mirror