1 // SPDX-License-Identifier: GPL-2.0-only
3 * Aic94xx SAS/SATA driver initialization.
5 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
6 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
9 #include <linux/module.h>
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/pci.h>
13 #include <linux/delay.h>
14 #include <linux/firmware.h>
15 #include <linux/slab.h>
17 #include <scsi/scsi_host.h>
20 #include "aic94xx_reg.h"
21 #include "aic94xx_hwi.h"
22 #include "aic94xx_seq.h"
23 #include "aic94xx_sds.h"
25 /* The format is "version.release.patchlevel" */
26 #define ASD_DRIVER_VERSION "1.0.3"
28 static int use_msi = 0;
29 module_param_named(use_msi, use_msi, int, S_IRUGO);
30 MODULE_PARM_DESC(use_msi, "\n"
31 "\tEnable(1) or disable(0) using PCI MSI.\n"
34 static struct scsi_transport_template *aic94xx_transport_template;
35 static int asd_scan_finished(struct Scsi_Host *, unsigned long);
36 static void asd_scan_start(struct Scsi_Host *);
38 static struct scsi_host_template aic94xx_sht = {
39 .module = THIS_MODULE,
40 /* .name is initialized */
42 .queuecommand = sas_queuecommand,
43 .dma_need_drain = ata_scsi_dma_need_drain,
44 .target_alloc = sas_target_alloc,
45 .slave_configure = sas_slave_configure,
46 .scan_finished = asd_scan_finished,
47 .scan_start = asd_scan_start,
48 .change_queue_depth = sas_change_queue_depth,
49 .bios_param = sas_bios_param,
52 .sg_tablesize = SG_ALL,
53 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
54 .eh_device_reset_handler = sas_eh_device_reset_handler,
55 .eh_target_reset_handler = sas_eh_target_reset_handler,
56 .slave_alloc = sas_slave_alloc,
57 .target_destroy = sas_target_destroy,
60 .compat_ioctl = sas_ioctl,
62 .track_queue_depth = 1,
65 static int asd_map_memio(struct asd_ha_struct *asd_ha)
68 struct asd_ha_addrspace *io_handle;
71 for (i = 0; i < 3; i += 2) {
72 io_handle = &asd_ha->io_handle[i==0?0:1];
73 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
74 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
75 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
77 if (!io_handle->start || !io_handle->len) {
78 asd_printk("MBAR%d start or length for %s is 0.\n",
79 i==0?0:1, pci_name(asd_ha->pcidev));
82 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
84 asd_printk("couldn't reserve memory region for %s\n",
85 pci_name(asd_ha->pcidev));
88 io_handle->addr = ioremap(io_handle->start, io_handle->len);
89 if (!io_handle->addr) {
90 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
91 pci_name(asd_ha->pcidev));
99 pci_release_region(asd_ha->pcidev, i);
102 io_handle = &asd_ha->io_handle[0];
103 iounmap(io_handle->addr);
104 pci_release_region(asd_ha->pcidev, 0);
109 static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
111 struct asd_ha_addrspace *io_handle;
113 io_handle = &asd_ha->io_handle[1];
114 iounmap(io_handle->addr);
115 pci_release_region(asd_ha->pcidev, 2);
117 io_handle = &asd_ha->io_handle[0];
118 iounmap(io_handle->addr);
119 pci_release_region(asd_ha->pcidev, 0);
122 static int asd_map_ioport(struct asd_ha_struct *asd_ha)
124 int i = PCI_IOBAR_OFFSET, err;
125 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
128 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
129 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
130 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
131 io_handle->addr = (void __iomem *) io_handle->start;
132 if (!io_handle->start || !io_handle->len) {
133 asd_printk("couldn't get IO ports for %s\n",
134 pci_name(asd_ha->pcidev));
137 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
139 asd_printk("couldn't reserve io space for %s\n",
140 pci_name(asd_ha->pcidev));
146 static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
148 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
151 static int asd_map_ha(struct asd_ha_struct *asd_ha)
156 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
158 asd_printk("couldn't read command register of %s\n",
159 pci_name(asd_ha->pcidev));
164 if (cmd_reg & PCI_COMMAND_MEMORY) {
165 if ((err = asd_map_memio(asd_ha)))
167 } else if (cmd_reg & PCI_COMMAND_IO) {
168 if ((err = asd_map_ioport(asd_ha)))
170 asd_printk("%s ioport mapped -- upgrade your hardware\n",
171 pci_name(asd_ha->pcidev));
173 asd_printk("no proper device access to %s\n",
174 pci_name(asd_ha->pcidev));
183 static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
186 asd_unmap_ioport(asd_ha);
188 asd_unmap_memio(asd_ha);
191 static const char *asd_dev_rev[30] = {
197 static int asd_common_setup(struct asd_ha_struct *asd_ha)
201 asd_ha->revision_id = asd_ha->pcidev->revision;
204 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
205 asd_printk("%s is revision %s (%X), which is not supported\n",
206 pci_name(asd_ha->pcidev),
207 asd_dev_rev[asd_ha->revision_id],
208 asd_ha->revision_id);
211 /* Provide some sane default values. */
212 asd_ha->hw_prof.max_scbs = 512;
213 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
214 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
215 /* All phys are enabled, by default. */
216 asd_ha->hw_prof.enabled_phys = 0xFF;
217 for (i = 0; i < ASD_MAX_PHYS; i++) {
218 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
219 SAS_LINK_RATE_3_0_GBPS;
220 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
221 SAS_LINK_RATE_1_5_GBPS;
222 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
223 SAS_LINK_RATE_1_5_GBPS;
224 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
225 SAS_LINK_RATE_1_5_GBPS;
233 static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
235 int err = asd_common_setup(asd_ha);
240 asd_ha->hw_prof.addr_range = 8;
241 asd_ha->hw_prof.port_name_base = 0;
242 asd_ha->hw_prof.dev_name_base = 8;
243 asd_ha->hw_prof.sata_name_base = 16;
248 static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
250 int err = asd_common_setup(asd_ha);
255 asd_ha->hw_prof.addr_range = 4;
256 asd_ha->hw_prof.port_name_base = 0;
257 asd_ha->hw_prof.dev_name_base = 4;
258 asd_ha->hw_prof.sata_name_base = 8;
263 static ssize_t asd_show_dev_rev(struct device *dev,
264 struct device_attribute *attr, char *buf)
266 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
267 return snprintf(buf, PAGE_SIZE, "%s\n",
268 asd_dev_rev[asd_ha->revision_id]);
270 static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL);
272 static ssize_t asd_show_dev_bios_build(struct device *dev,
273 struct device_attribute *attr,char *buf)
275 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
276 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
278 static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
280 static ssize_t asd_show_dev_pcba_sn(struct device *dev,
281 struct device_attribute *attr, char *buf)
283 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
284 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
286 static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
288 #define FLASH_CMD_NONE 0x00
289 #define FLASH_CMD_UPDATE 0x01
290 #define FLASH_CMD_VERIFY 0x02
292 struct flash_command {
297 static struct flash_command flash_command_table[] =
299 {"verify", FLASH_CMD_VERIFY},
300 {"update", FLASH_CMD_UPDATE},
301 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
309 static struct error_bios flash_error_table[] =
311 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
312 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
313 {"Checksum mismatch", FAIL_CHECK_SUM},
314 {"Unknown Error", FAIL_UNKNOWN},
315 {"Failed to verify.", FAIL_VERIFY},
316 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
317 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
318 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
319 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
320 {"Flash in progress", FLASH_IN_PROGRESS},
321 {"Image file size Error", FAIL_FILE_SIZE},
322 {"Input parameter error", FAIL_PARAMETERS},
323 {"Out of memory", FAIL_OUT_MEMORY},
324 {"OK", 0} /* Last entry err_code = 0. */
327 static ssize_t asd_store_update_bios(struct device *dev,
328 struct device_attribute *attr,
329 const char *buf, size_t count)
331 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
332 char *cmd_ptr, *filename_ptr;
333 struct bios_file_header header, *hdr_ptr;
336 int flash_command = FLASH_CMD_NONE;
339 cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
342 err = FAIL_OUT_MEMORY;
346 filename_ptr = cmd_ptr + count;
347 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
349 err = FAIL_PARAMETERS;
353 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
354 if (!memcmp(flash_command_table[i].command,
355 cmd_ptr, strlen(cmd_ptr))) {
356 flash_command = flash_command_table[i].code;
360 if (flash_command == FLASH_CMD_NONE) {
361 err = FAIL_PARAMETERS;
365 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
366 err = FLASH_IN_PROGRESS;
369 err = request_firmware(&asd_ha->bios_image,
371 &asd_ha->pcidev->dev);
373 asd_printk("Failed to load bios image file %s, error %d\n",
375 err = FAIL_OPEN_BIOS_FILE;
379 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
381 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
382 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
383 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
384 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
386 ASD_DPRINTK("The PCI vendor or device id does not match\n");
387 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
388 " pci vendor=%x pci dev=%x\n",
389 hdr_ptr->contrl_id.vendor,
390 hdr_ptr->contrl_id.device,
391 hdr_ptr->contrl_id.sub_vendor,
392 hdr_ptr->contrl_id.sub_device,
393 asd_ha->pcidev->vendor,
394 asd_ha->pcidev->device);
395 err = FAIL_CHECK_PCI_ID;
399 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
400 err = FAIL_FILE_SIZE;
404 /* calculate checksum */
405 for (i = 0; i < hdr_ptr->filelen; i++)
406 csum += asd_ha->bios_image->data[i];
408 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
409 ASD_DPRINTK("BIOS file checksum mismatch\n");
410 err = FAIL_CHECK_SUM;
413 if (flash_command == FLASH_CMD_UPDATE) {
414 asd_ha->bios_status = FLASH_IN_PROGRESS;
415 err = asd_write_flash_seg(asd_ha,
416 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
417 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
419 err = asd_verify_flash_seg(asd_ha,
420 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
421 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
423 asd_ha->bios_status = FLASH_IN_PROGRESS;
424 err = asd_verify_flash_seg(asd_ha,
425 &asd_ha->bios_image->data[sizeof(header)],
426 0, hdr_ptr->filelen-sizeof(header));
430 release_firmware(asd_ha->bios_image);
434 asd_ha->bios_status = err;
442 static ssize_t asd_show_update_bios(struct device *dev,
443 struct device_attribute *attr, char *buf)
446 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
448 for (i = 0; flash_error_table[i].err_code != 0; i++) {
449 if (flash_error_table[i].err_code == asd_ha->bios_status)
452 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
453 asd_ha->bios_status = FLASH_OK;
455 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
456 flash_error_table[i].err_code,
457 flash_error_table[i].reason);
460 static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
461 asd_show_update_bios, asd_store_update_bios);
463 static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
467 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
471 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
475 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
478 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
480 goto err_update_bios;
485 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
487 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
489 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
493 static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
495 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
496 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
497 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
498 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
501 /* The first entry, 0, is used for dynamic ids, the rest for devices
504 static const struct asd_pcidev_struct {
506 int (*setup)(struct asd_ha_struct *asd_ha);
507 } asd_pcidev_data[] = {
508 /* Id 0 is used for dynamic ids. */
509 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
510 .setup = asd_aic9410_setup
512 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
513 .setup = asd_aic9410_setup
515 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
516 .setup = asd_aic9405_setup
520 static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
522 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
523 &asd_ha->pcidev->dev,
526 if (!asd_ha->scb_pool) {
527 asd_printk("couldn't create scb pool\n");
535 * asd_free_edbs -- free empty data buffers
536 * asd_ha: pointer to host adapter structure
538 static void asd_free_edbs(struct asd_ha_struct *asd_ha)
540 struct asd_seq_data *seq = &asd_ha->seq;
543 for (i = 0; i < seq->num_edbs; i++)
544 asd_free_coherent(asd_ha, seq->edb_arr[i]);
549 static void asd_free_escbs(struct asd_ha_struct *asd_ha)
551 struct asd_seq_data *seq = &asd_ha->seq;
554 for (i = 0; i < seq->num_escbs; i++) {
555 if (!list_empty(&seq->escb_arr[i]->list))
556 list_del_init(&seq->escb_arr[i]->list);
558 asd_ascb_free(seq->escb_arr[i]);
560 kfree(seq->escb_arr);
561 seq->escb_arr = NULL;
564 static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
568 if (asd_ha->hw_prof.ddb_ext)
569 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
570 if (asd_ha->hw_prof.scb_ext)
571 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
573 kfree(asd_ha->hw_prof.ddb_bitmap);
574 asd_ha->hw_prof.ddb_bitmap = NULL;
576 for (i = 0; i < ASD_MAX_PHYS; i++) {
577 struct asd_phy *phy = &asd_ha->phys[i];
579 asd_free_coherent(asd_ha, phy->id_frm_tok);
581 if (asd_ha->seq.escb_arr)
582 asd_free_escbs(asd_ha);
583 if (asd_ha->seq.edb_arr)
584 asd_free_edbs(asd_ha);
585 if (asd_ha->hw_prof.ue.area) {
586 kfree(asd_ha->hw_prof.ue.area);
587 asd_ha->hw_prof.ue.area = NULL;
589 if (asd_ha->seq.tc_index_array) {
590 kfree(asd_ha->seq.tc_index_array);
591 kfree(asd_ha->seq.tc_index_bitmap);
592 asd_ha->seq.tc_index_array = NULL;
593 asd_ha->seq.tc_index_bitmap = NULL;
595 if (asd_ha->seq.actual_dl) {
596 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
597 asd_ha->seq.actual_dl = NULL;
598 asd_ha->seq.dl = NULL;
600 if (asd_ha->seq.next_scb.vaddr) {
601 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
602 asd_ha->seq.next_scb.dma_handle);
603 asd_ha->seq.next_scb.vaddr = NULL;
605 dma_pool_destroy(asd_ha->scb_pool);
606 asd_ha->scb_pool = NULL;
609 struct kmem_cache *asd_dma_token_cache;
610 struct kmem_cache *asd_ascb_cache;
612 static int asd_create_global_caches(void)
614 if (!asd_dma_token_cache) {
616 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
617 sizeof(struct asd_dma_tok),
621 if (!asd_dma_token_cache) {
622 asd_printk("couldn't create dma token cache\n");
627 if (!asd_ascb_cache) {
628 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
629 sizeof(struct asd_ascb),
633 if (!asd_ascb_cache) {
634 asd_printk("couldn't create ascb cache\n");
641 kmem_cache_destroy(asd_dma_token_cache);
642 asd_dma_token_cache = NULL;
646 static void asd_destroy_global_caches(void)
648 kmem_cache_destroy(asd_dma_token_cache);
649 asd_dma_token_cache = NULL;
651 kmem_cache_destroy(asd_ascb_cache);
652 asd_ascb_cache = NULL;
655 static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
658 struct asd_sas_phy **sas_phys =
659 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
660 struct asd_sas_port **sas_ports =
661 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
663 if (!sas_phys || !sas_ports) {
669 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
670 asd_ha->sas_ha.lldd_module = THIS_MODULE;
671 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
673 for (i = 0; i < ASD_MAX_PHYS; i++) {
674 sas_phys[i] = &asd_ha->phys[i].sas_phy;
675 sas_ports[i] = &asd_ha->ports[i];
678 asd_ha->sas_ha.sas_phy = sas_phys;
679 asd_ha->sas_ha.sas_port= sas_ports;
680 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
682 return sas_register_ha(&asd_ha->sas_ha);
685 static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
689 err = sas_unregister_ha(&asd_ha->sas_ha);
691 sas_remove_host(asd_ha->sas_ha.core.shost);
692 scsi_host_put(asd_ha->sas_ha.core.shost);
694 kfree(asd_ha->sas_ha.sas_phy);
695 kfree(asd_ha->sas_ha.sas_port);
700 static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
702 const struct asd_pcidev_struct *asd_dev;
703 unsigned asd_id = (unsigned) id->driver_data;
704 struct asd_ha_struct *asd_ha;
705 struct Scsi_Host *shost;
708 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
709 asd_printk("wrong driver_data in PCI table\n");
713 if ((err = pci_enable_device(dev))) {
714 asd_printk("couldn't enable device %s\n", pci_name(dev));
722 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
726 asd_dev = &asd_pcidev_data[asd_id];
728 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
730 asd_printk("out of memory\n");
733 asd_ha->pcidev = dev;
734 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
735 asd_ha->sas_ha.lldd_ha = asd_ha;
737 asd_ha->bios_status = FLASH_OK;
738 asd_ha->name = asd_dev->name;
739 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
741 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
742 asd_ha->sas_ha.core.shost = shost;
743 shost->transportt = aic94xx_transport_template;
746 shost->max_cmd_len = 16;
748 err = scsi_add_host(shost, &dev->dev);
752 err = asd_dev->setup(asd_ha);
756 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64));
758 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
761 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
765 pci_set_drvdata(dev, asd_ha);
767 err = asd_map_ha(asd_ha);
771 err = asd_create_ha_caches(asd_ha);
775 err = asd_init_hw(asd_ha);
779 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
780 "phys, flash %s, BIOS %s%d\n",
781 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
782 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
783 asd_ha->hw_prof.num_phys,
784 asd_ha->hw_prof.flash.present ? "present" : "not present",
785 asd_ha->hw_prof.bios.present ? "build " : "not present",
786 asd_ha->hw_prof.bios.bld);
788 shost->can_queue = asd_ha->seq.can_queue;
791 pci_enable_msi(asd_ha->pcidev);
793 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
794 ASD_DRIVER_NAME, asd_ha);
796 asd_printk("couldn't get irq %d for %s\n",
797 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
800 asd_enable_ints(asd_ha);
802 err = asd_init_post_escbs(asd_ha);
804 asd_printk("couldn't post escbs for %s\n",
805 pci_name(asd_ha->pcidev));
808 ASD_DPRINTK("escbs posted\n");
810 err = asd_create_dev_attrs(asd_ha);
814 err = asd_register_sas_ha(asd_ha);
818 scsi_scan_host(shost);
823 asd_remove_dev_attrs(asd_ha);
826 asd_disable_ints(asd_ha);
827 free_irq(dev->irq, asd_ha);
830 pci_disable_msi(dev);
831 asd_chip_hardrst(asd_ha);
833 asd_destroy_ha_caches(asd_ha);
835 asd_unmap_ha(asd_ha);
837 scsi_remove_host(shost);
841 scsi_host_put(shost);
843 pci_disable_device(dev);
847 static void asd_free_queues(struct asd_ha_struct *asd_ha)
851 struct list_head *n, *pos;
853 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
854 asd_ha->seq.pending = 0;
855 list_splice_init(&asd_ha->seq.pend_q, &pending);
856 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
858 if (!list_empty(&pending))
859 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
861 list_for_each_safe(pos, n, &pending) {
862 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
864 * Delete unexpired ascb timers. This may happen if we issue
865 * a CONTROL PHY scb to an adapter and rmmod before the scb
866 * times out. Apparently we don't wait for the CONTROL PHY
867 * to complete, so it doesn't matter if we kill the timer.
869 del_timer_sync(&ascb->timer);
870 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
873 ASD_DPRINTK("freeing from pending\n");
878 static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
880 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
883 for_each_phy(phy_mask, phy_mask, i) {
884 asd_turn_led(asd_ha, i, 0);
885 asd_control_led(asd_ha, i, 0);
889 static void asd_pci_remove(struct pci_dev *dev)
891 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
896 asd_unregister_sas_ha(asd_ha);
898 asd_disable_ints(asd_ha);
900 asd_remove_dev_attrs(asd_ha);
902 /* XXX more here as needed */
904 free_irq(dev->irq, asd_ha);
906 pci_disable_msi(asd_ha->pcidev);
907 asd_turn_off_leds(asd_ha);
908 asd_chip_hardrst(asd_ha);
909 asd_free_queues(asd_ha);
910 asd_destroy_ha_caches(asd_ha);
911 asd_unmap_ha(asd_ha);
913 pci_disable_device(dev);
917 static void asd_scan_start(struct Scsi_Host *shost)
919 struct asd_ha_struct *asd_ha;
922 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
923 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
925 asd_printk("Couldn't enable phys, err:%d\n", err);
928 static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
930 /* give the phy enabling interrupt event time to come in (1s
931 * is empirically about all it takes) */
934 /* Wait for discovery to finish */
935 sas_drain_work(SHOST_TO_SAS_HA(shost));
939 static ssize_t version_show(struct device_driver *driver, char *buf)
941 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
943 static DRIVER_ATTR_RO(version);
945 static int asd_create_driver_attrs(struct device_driver *driver)
947 return driver_create_file(driver, &driver_attr_version);
950 static void asd_remove_driver_attrs(struct device_driver *driver)
952 driver_remove_file(driver, &driver_attr_version);
955 static struct sas_domain_function_template aic94xx_transport_functions = {
956 .lldd_dev_found = asd_dev_found,
957 .lldd_dev_gone = asd_dev_gone,
959 .lldd_execute_task = asd_execute_task,
961 .lldd_abort_task = asd_abort_task,
962 .lldd_abort_task_set = asd_abort_task_set,
963 .lldd_clear_aca = asd_clear_aca,
964 .lldd_clear_task_set = asd_clear_task_set,
965 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
966 .lldd_lu_reset = asd_lu_reset,
967 .lldd_query_task = asd_query_task,
969 .lldd_clear_nexus_port = asd_clear_nexus_port,
970 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
972 .lldd_control_phy = asd_control_phy,
974 .lldd_ata_set_dmamode = asd_set_dmamode,
977 static const struct pci_device_id aic94xx_pci_table[] = {
978 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
979 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
980 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
981 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
982 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
983 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
984 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
985 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
986 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
990 MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
992 static struct pci_driver aic94xx_pci_driver = {
993 .name = ASD_DRIVER_NAME,
994 .id_table = aic94xx_pci_table,
995 .probe = asd_pci_probe,
996 .remove = asd_pci_remove,
999 static int __init aic94xx_init(void)
1004 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1005 ASD_DRIVER_VERSION);
1007 err = asd_create_global_caches();
1011 aic94xx_transport_template =
1012 sas_domain_attach_transport(&aic94xx_transport_functions);
1013 if (!aic94xx_transport_template) {
1015 goto out_destroy_caches;
1018 err = pci_register_driver(&aic94xx_pci_driver);
1020 goto out_release_transport;
1022 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1024 goto out_unregister_pcidrv;
1028 out_unregister_pcidrv:
1029 pci_unregister_driver(&aic94xx_pci_driver);
1030 out_release_transport:
1031 sas_release_transport(aic94xx_transport_template);
1033 asd_destroy_global_caches();
1038 static void __exit aic94xx_exit(void)
1040 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1041 pci_unregister_driver(&aic94xx_pci_driver);
1042 sas_release_transport(aic94xx_transport_template);
1043 asd_release_firmware();
1044 asd_destroy_global_caches();
1045 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1046 ASD_DRIVER_VERSION);
1049 module_init(aic94xx_init);
1050 module_exit(aic94xx_exit);
1052 MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1053 MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1054 MODULE_LICENSE("GPL v2");
1055 MODULE_VERSION(ASD_DRIVER_VERSION);