2 * Aic94xx SAS/SATA driver initialization.
4 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
5 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
7 * This file is licensed under GPLv2.
9 * This file is part of the aic94xx driver.
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
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.
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
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>
32 #include <linux/firmware.h>
33 #include <linux/slab.h>
35 #include <scsi/scsi_host.h>
38 #include "aic94xx_reg.h"
39 #include "aic94xx_hwi.h"
40 #include "aic94xx_seq.h"
41 #include "aic94xx_sds.h"
43 /* The format is "version.release.patchlevel" */
44 #define ASD_DRIVER_VERSION "1.0.3"
46 static int use_msi = 0;
47 module_param_named(use_msi, use_msi, int, S_IRUGO);
48 MODULE_PARM_DESC(use_msi, "\n"
49 "\tEnable(1) or disable(0) using PCI MSI.\n"
52 static struct scsi_transport_template *aic94xx_transport_template;
53 static int asd_scan_finished(struct Scsi_Host *, unsigned long);
54 static void asd_scan_start(struct Scsi_Host *);
56 static struct scsi_host_template aic94xx_sht = {
57 .module = THIS_MODULE,
58 /* .name is initialized */
60 .queuecommand = sas_queuecommand,
61 .target_alloc = sas_target_alloc,
62 .slave_configure = sas_slave_configure,
63 .scan_finished = asd_scan_finished,
64 .scan_start = asd_scan_start,
65 .change_queue_depth = sas_change_queue_depth,
66 .bios_param = sas_bios_param,
69 .sg_tablesize = SG_ALL,
70 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
71 .use_clustering = ENABLE_CLUSTERING,
72 .eh_device_reset_handler = sas_eh_device_reset_handler,
73 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
74 .target_destroy = sas_target_destroy,
77 .track_queue_depth = 1,
80 static int asd_map_memio(struct asd_ha_struct *asd_ha)
83 struct asd_ha_addrspace *io_handle;
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);
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));
97 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
99 asd_printk("couldn't reserve memory region for %s\n",
100 pci_name(asd_ha->pcidev));
103 io_handle->addr = ioremap(io_handle->start, io_handle->len);
104 if (!io_handle->addr) {
105 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
106 pci_name(asd_ha->pcidev));
114 pci_release_region(asd_ha->pcidev, i);
117 io_handle = &asd_ha->io_handle[0];
118 iounmap(io_handle->addr);
119 pci_release_region(asd_ha->pcidev, 0);
124 static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
126 struct asd_ha_addrspace *io_handle;
128 io_handle = &asd_ha->io_handle[1];
129 iounmap(io_handle->addr);
130 pci_release_region(asd_ha->pcidev, 2);
132 io_handle = &asd_ha->io_handle[0];
133 iounmap(io_handle->addr);
134 pci_release_region(asd_ha->pcidev, 0);
137 static int asd_map_ioport(struct asd_ha_struct *asd_ha)
139 int i = PCI_IOBAR_OFFSET, err;
140 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
143 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
144 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
145 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
146 io_handle->addr = (void __iomem *) io_handle->start;
147 if (!io_handle->start || !io_handle->len) {
148 asd_printk("couldn't get IO ports for %s\n",
149 pci_name(asd_ha->pcidev));
152 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
154 asd_printk("couldn't reserve io space for %s\n",
155 pci_name(asd_ha->pcidev));
161 static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
163 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
166 static int asd_map_ha(struct asd_ha_struct *asd_ha)
171 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
173 asd_printk("couldn't read command register of %s\n",
174 pci_name(asd_ha->pcidev));
179 if (cmd_reg & PCI_COMMAND_MEMORY) {
180 if ((err = asd_map_memio(asd_ha)))
182 } else if (cmd_reg & PCI_COMMAND_IO) {
183 if ((err = asd_map_ioport(asd_ha)))
185 asd_printk("%s ioport mapped -- upgrade your hardware\n",
186 pci_name(asd_ha->pcidev));
188 asd_printk("no proper device access to %s\n",
189 pci_name(asd_ha->pcidev));
198 static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
201 asd_unmap_ioport(asd_ha);
203 asd_unmap_memio(asd_ha);
206 static const char *asd_dev_rev[30] = {
212 static int asd_common_setup(struct asd_ha_struct *asd_ha)
216 asd_ha->revision_id = asd_ha->pcidev->revision;
219 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
220 asd_printk("%s is revision %s (%X), which is not supported\n",
221 pci_name(asd_ha->pcidev),
222 asd_dev_rev[asd_ha->revision_id],
223 asd_ha->revision_id);
226 /* Provide some sane default values. */
227 asd_ha->hw_prof.max_scbs = 512;
228 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
229 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
230 /* All phys are enabled, by default. */
231 asd_ha->hw_prof.enabled_phys = 0xFF;
232 for (i = 0; i < ASD_MAX_PHYS; i++) {
233 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
234 SAS_LINK_RATE_3_0_GBPS;
235 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
236 SAS_LINK_RATE_1_5_GBPS;
237 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
238 SAS_LINK_RATE_1_5_GBPS;
239 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
240 SAS_LINK_RATE_1_5_GBPS;
248 static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
250 int err = asd_common_setup(asd_ha);
255 asd_ha->hw_prof.addr_range = 8;
256 asd_ha->hw_prof.port_name_base = 0;
257 asd_ha->hw_prof.dev_name_base = 8;
258 asd_ha->hw_prof.sata_name_base = 16;
263 static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
265 int err = asd_common_setup(asd_ha);
270 asd_ha->hw_prof.addr_range = 4;
271 asd_ha->hw_prof.port_name_base = 0;
272 asd_ha->hw_prof.dev_name_base = 4;
273 asd_ha->hw_prof.sata_name_base = 8;
278 static ssize_t asd_show_dev_rev(struct device *dev,
279 struct device_attribute *attr, char *buf)
281 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
282 return snprintf(buf, PAGE_SIZE, "%s\n",
283 asd_dev_rev[asd_ha->revision_id]);
285 static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
287 static ssize_t asd_show_dev_bios_build(struct device *dev,
288 struct device_attribute *attr,char *buf)
290 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
291 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
293 static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
295 static ssize_t asd_show_dev_pcba_sn(struct device *dev,
296 struct device_attribute *attr, char *buf)
298 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
299 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
301 static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
303 #define FLASH_CMD_NONE 0x00
304 #define FLASH_CMD_UPDATE 0x01
305 #define FLASH_CMD_VERIFY 0x02
307 struct flash_command {
312 static struct flash_command flash_command_table[] =
314 {"verify", FLASH_CMD_VERIFY},
315 {"update", FLASH_CMD_UPDATE},
316 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
324 static struct error_bios flash_error_table[] =
326 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
327 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
328 {"Checksum mismatch", FAIL_CHECK_SUM},
329 {"Unknown Error", FAIL_UNKNOWN},
330 {"Failed to verify.", FAIL_VERIFY},
331 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
332 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
333 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
334 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
335 {"Flash in progress", FLASH_IN_PROGRESS},
336 {"Image file size Error", FAIL_FILE_SIZE},
337 {"Input parameter error", FAIL_PARAMETERS},
338 {"Out of memory", FAIL_OUT_MEMORY},
339 {"OK", 0} /* Last entry err_code = 0. */
342 static ssize_t asd_store_update_bios(struct device *dev,
343 struct device_attribute *attr,
344 const char *buf, size_t count)
346 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
347 char *cmd_ptr, *filename_ptr;
348 struct bios_file_header header, *hdr_ptr;
351 int flash_command = FLASH_CMD_NONE;
354 cmd_ptr = kzalloc(count*2, GFP_KERNEL);
357 err = FAIL_OUT_MEMORY;
361 filename_ptr = cmd_ptr + count;
362 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
364 err = FAIL_PARAMETERS;
368 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
369 if (!memcmp(flash_command_table[i].command,
370 cmd_ptr, strlen(cmd_ptr))) {
371 flash_command = flash_command_table[i].code;
375 if (flash_command == FLASH_CMD_NONE) {
376 err = FAIL_PARAMETERS;
380 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
381 err = FLASH_IN_PROGRESS;
384 err = request_firmware(&asd_ha->bios_image,
386 &asd_ha->pcidev->dev);
388 asd_printk("Failed to load bios image file %s, error %d\n",
390 err = FAIL_OPEN_BIOS_FILE;
394 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
396 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
397 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
398 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
399 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
401 ASD_DPRINTK("The PCI vendor or device id does not match\n");
402 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
403 " pci vendor=%x pci dev=%x\n",
404 hdr_ptr->contrl_id.vendor,
405 hdr_ptr->contrl_id.device,
406 hdr_ptr->contrl_id.sub_vendor,
407 hdr_ptr->contrl_id.sub_device,
408 asd_ha->pcidev->vendor,
409 asd_ha->pcidev->device);
410 err = FAIL_CHECK_PCI_ID;
414 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
415 err = FAIL_FILE_SIZE;
419 /* calculate checksum */
420 for (i = 0; i < hdr_ptr->filelen; i++)
421 csum += asd_ha->bios_image->data[i];
423 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
424 ASD_DPRINTK("BIOS file checksum mismatch\n");
425 err = FAIL_CHECK_SUM;
428 if (flash_command == FLASH_CMD_UPDATE) {
429 asd_ha->bios_status = FLASH_IN_PROGRESS;
430 err = asd_write_flash_seg(asd_ha,
431 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
432 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
434 err = asd_verify_flash_seg(asd_ha,
435 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
436 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
438 asd_ha->bios_status = FLASH_IN_PROGRESS;
439 err = asd_verify_flash_seg(asd_ha,
440 &asd_ha->bios_image->data[sizeof(header)],
441 0, hdr_ptr->filelen-sizeof(header));
445 release_firmware(asd_ha->bios_image);
449 asd_ha->bios_status = err;
457 static ssize_t asd_show_update_bios(struct device *dev,
458 struct device_attribute *attr, char *buf)
461 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
463 for (i = 0; flash_error_table[i].err_code != 0; i++) {
464 if (flash_error_table[i].err_code == asd_ha->bios_status)
467 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
468 asd_ha->bios_status = FLASH_OK;
470 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
471 flash_error_table[i].err_code,
472 flash_error_table[i].reason);
475 static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
476 asd_show_update_bios, asd_store_update_bios);
478 static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
482 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
486 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
490 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
493 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
495 goto err_update_bios;
500 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
502 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
504 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
508 static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
510 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
511 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
512 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
513 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
516 /* The first entry, 0, is used for dynamic ids, the rest for devices
519 static const struct asd_pcidev_struct {
521 int (*setup)(struct asd_ha_struct *asd_ha);
522 } asd_pcidev_data[] = {
523 /* Id 0 is used for dynamic ids. */
524 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
525 .setup = asd_aic9410_setup
527 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
528 .setup = asd_aic9410_setup
530 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
531 .setup = asd_aic9405_setup
535 static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
537 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
538 &asd_ha->pcidev->dev,
541 if (!asd_ha->scb_pool) {
542 asd_printk("couldn't create scb pool\n");
550 * asd_free_edbs -- free empty data buffers
551 * asd_ha: pointer to host adapter structure
553 static void asd_free_edbs(struct asd_ha_struct *asd_ha)
555 struct asd_seq_data *seq = &asd_ha->seq;
558 for (i = 0; i < seq->num_edbs; i++)
559 asd_free_coherent(asd_ha, seq->edb_arr[i]);
564 static void asd_free_escbs(struct asd_ha_struct *asd_ha)
566 struct asd_seq_data *seq = &asd_ha->seq;
569 for (i = 0; i < seq->num_escbs; i++) {
570 if (!list_empty(&seq->escb_arr[i]->list))
571 list_del_init(&seq->escb_arr[i]->list);
573 asd_ascb_free(seq->escb_arr[i]);
575 kfree(seq->escb_arr);
576 seq->escb_arr = NULL;
579 static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
583 if (asd_ha->hw_prof.ddb_ext)
584 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
585 if (asd_ha->hw_prof.scb_ext)
586 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
588 if (asd_ha->hw_prof.ddb_bitmap)
589 kfree(asd_ha->hw_prof.ddb_bitmap);
590 asd_ha->hw_prof.ddb_bitmap = NULL;
592 for (i = 0; i < ASD_MAX_PHYS; i++) {
593 struct asd_phy *phy = &asd_ha->phys[i];
595 asd_free_coherent(asd_ha, phy->id_frm_tok);
597 if (asd_ha->seq.escb_arr)
598 asd_free_escbs(asd_ha);
599 if (asd_ha->seq.edb_arr)
600 asd_free_edbs(asd_ha);
601 if (asd_ha->hw_prof.ue.area) {
602 kfree(asd_ha->hw_prof.ue.area);
603 asd_ha->hw_prof.ue.area = NULL;
605 if (asd_ha->seq.tc_index_array) {
606 kfree(asd_ha->seq.tc_index_array);
607 kfree(asd_ha->seq.tc_index_bitmap);
608 asd_ha->seq.tc_index_array = NULL;
609 asd_ha->seq.tc_index_bitmap = NULL;
611 if (asd_ha->seq.actual_dl) {
612 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
613 asd_ha->seq.actual_dl = NULL;
614 asd_ha->seq.dl = NULL;
616 if (asd_ha->seq.next_scb.vaddr) {
617 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
618 asd_ha->seq.next_scb.dma_handle);
619 asd_ha->seq.next_scb.vaddr = NULL;
621 dma_pool_destroy(asd_ha->scb_pool);
622 asd_ha->scb_pool = NULL;
625 struct kmem_cache *asd_dma_token_cache;
626 struct kmem_cache *asd_ascb_cache;
628 static int asd_create_global_caches(void)
630 if (!asd_dma_token_cache) {
632 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
633 sizeof(struct asd_dma_tok),
637 if (!asd_dma_token_cache) {
638 asd_printk("couldn't create dma token cache\n");
643 if (!asd_ascb_cache) {
644 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
645 sizeof(struct asd_ascb),
649 if (!asd_ascb_cache) {
650 asd_printk("couldn't create ascb cache\n");
657 kmem_cache_destroy(asd_dma_token_cache);
658 asd_dma_token_cache = NULL;
662 static void asd_destroy_global_caches(void)
664 if (asd_dma_token_cache)
665 kmem_cache_destroy(asd_dma_token_cache);
666 asd_dma_token_cache = NULL;
669 kmem_cache_destroy(asd_ascb_cache);
670 asd_ascb_cache = NULL;
673 static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
676 struct asd_sas_phy **sas_phys =
677 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
678 struct asd_sas_port **sas_ports =
679 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
681 if (!sas_phys || !sas_ports) {
687 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
688 asd_ha->sas_ha.lldd_module = THIS_MODULE;
689 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
691 for (i = 0; i < ASD_MAX_PHYS; i++) {
692 sas_phys[i] = &asd_ha->phys[i].sas_phy;
693 sas_ports[i] = &asd_ha->ports[i];
696 asd_ha->sas_ha.sas_phy = sas_phys;
697 asd_ha->sas_ha.sas_port= sas_ports;
698 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
700 return sas_register_ha(&asd_ha->sas_ha);
703 static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
707 err = sas_unregister_ha(&asd_ha->sas_ha);
709 sas_remove_host(asd_ha->sas_ha.core.shost);
710 scsi_remove_host(asd_ha->sas_ha.core.shost);
711 scsi_host_put(asd_ha->sas_ha.core.shost);
713 kfree(asd_ha->sas_ha.sas_phy);
714 kfree(asd_ha->sas_ha.sas_port);
719 static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
721 const struct asd_pcidev_struct *asd_dev;
722 unsigned asd_id = (unsigned) id->driver_data;
723 struct asd_ha_struct *asd_ha;
724 struct Scsi_Host *shost;
727 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
728 asd_printk("wrong driver_data in PCI table\n");
732 if ((err = pci_enable_device(dev))) {
733 asd_printk("couldn't enable device %s\n", pci_name(dev));
741 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
745 asd_dev = &asd_pcidev_data[asd_id];
747 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
749 asd_printk("out of memory\n");
752 asd_ha->pcidev = dev;
753 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
754 asd_ha->sas_ha.lldd_ha = asd_ha;
756 asd_ha->bios_status = FLASH_OK;
757 asd_ha->name = asd_dev->name;
758 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
760 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
761 asd_ha->sas_ha.core.shost = shost;
762 shost->transportt = aic94xx_transport_template;
765 shost->max_cmd_len = 16;
767 err = scsi_add_host(shost, &dev->dev);
771 err = asd_dev->setup(asd_ha);
776 if (!pci_set_dma_mask(dev, DMA_BIT_MASK(64))
777 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64)))
779 else if (!pci_set_dma_mask(dev, DMA_BIT_MASK(32))
780 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32)))
783 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
787 pci_set_drvdata(dev, asd_ha);
789 err = asd_map_ha(asd_ha);
793 err = asd_create_ha_caches(asd_ha);
797 err = asd_init_hw(asd_ha);
801 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
802 "phys, flash %s, BIOS %s%d\n",
803 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
804 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
805 asd_ha->hw_prof.num_phys,
806 asd_ha->hw_prof.flash.present ? "present" : "not present",
807 asd_ha->hw_prof.bios.present ? "build " : "not present",
808 asd_ha->hw_prof.bios.bld);
810 shost->can_queue = asd_ha->seq.can_queue;
813 pci_enable_msi(asd_ha->pcidev);
815 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
816 ASD_DRIVER_NAME, asd_ha);
818 asd_printk("couldn't get irq %d for %s\n",
819 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
822 asd_enable_ints(asd_ha);
824 err = asd_init_post_escbs(asd_ha);
826 asd_printk("couldn't post escbs for %s\n",
827 pci_name(asd_ha->pcidev));
830 ASD_DPRINTK("escbs posted\n");
832 err = asd_create_dev_attrs(asd_ha);
836 err = asd_register_sas_ha(asd_ha);
840 scsi_scan_host(shost);
845 asd_remove_dev_attrs(asd_ha);
848 asd_disable_ints(asd_ha);
849 free_irq(dev->irq, asd_ha);
852 pci_disable_msi(dev);
853 asd_chip_hardrst(asd_ha);
855 asd_destroy_ha_caches(asd_ha);
857 asd_unmap_ha(asd_ha);
859 scsi_remove_host(shost);
863 scsi_host_put(shost);
865 pci_disable_device(dev);
869 static void asd_free_queues(struct asd_ha_struct *asd_ha)
873 struct list_head *n, *pos;
875 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
876 asd_ha->seq.pending = 0;
877 list_splice_init(&asd_ha->seq.pend_q, &pending);
878 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
880 if (!list_empty(&pending))
881 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
883 list_for_each_safe(pos, n, &pending) {
884 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
886 * Delete unexpired ascb timers. This may happen if we issue
887 * a CONTROL PHY scb to an adapter and rmmod before the scb
888 * times out. Apparently we don't wait for the CONTROL PHY
889 * to complete, so it doesn't matter if we kill the timer.
891 del_timer_sync(&ascb->timer);
892 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
895 ASD_DPRINTK("freeing from pending\n");
900 static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
902 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
905 for_each_phy(phy_mask, phy_mask, i) {
906 asd_turn_led(asd_ha, i, 0);
907 asd_control_led(asd_ha, i, 0);
911 static void asd_pci_remove(struct pci_dev *dev)
913 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
918 asd_unregister_sas_ha(asd_ha);
920 asd_disable_ints(asd_ha);
922 asd_remove_dev_attrs(asd_ha);
924 /* XXX more here as needed */
926 free_irq(dev->irq, asd_ha);
928 pci_disable_msi(asd_ha->pcidev);
929 asd_turn_off_leds(asd_ha);
930 asd_chip_hardrst(asd_ha);
931 asd_free_queues(asd_ha);
932 asd_destroy_ha_caches(asd_ha);
933 asd_unmap_ha(asd_ha);
935 pci_disable_device(dev);
939 static void asd_scan_start(struct Scsi_Host *shost)
941 struct asd_ha_struct *asd_ha;
944 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
945 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
947 asd_printk("Couldn't enable phys, err:%d\n", err);
950 static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
952 /* give the phy enabling interrupt event time to come in (1s
953 * is empirically about all it takes) */
956 /* Wait for discovery to finish */
957 sas_drain_work(SHOST_TO_SAS_HA(shost));
961 static ssize_t asd_version_show(struct device_driver *driver, char *buf)
963 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
965 static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
967 static int asd_create_driver_attrs(struct device_driver *driver)
969 return driver_create_file(driver, &driver_attr_version);
972 static void asd_remove_driver_attrs(struct device_driver *driver)
974 driver_remove_file(driver, &driver_attr_version);
977 static struct sas_domain_function_template aic94xx_transport_functions = {
978 .lldd_dev_found = asd_dev_found,
979 .lldd_dev_gone = asd_dev_gone,
981 .lldd_execute_task = asd_execute_task,
983 .lldd_abort_task = asd_abort_task,
984 .lldd_abort_task_set = asd_abort_task_set,
985 .lldd_clear_aca = asd_clear_aca,
986 .lldd_clear_task_set = asd_clear_task_set,
987 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
988 .lldd_lu_reset = asd_lu_reset,
989 .lldd_query_task = asd_query_task,
991 .lldd_clear_nexus_port = asd_clear_nexus_port,
992 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
994 .lldd_control_phy = asd_control_phy,
996 .lldd_ata_set_dmamode = asd_set_dmamode,
999 static const struct pci_device_id aic94xx_pci_table[] = {
1000 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
1001 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
1002 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
1003 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
1004 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
1005 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
1006 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
1007 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
1008 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
1012 MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
1014 static struct pci_driver aic94xx_pci_driver = {
1015 .name = ASD_DRIVER_NAME,
1016 .id_table = aic94xx_pci_table,
1017 .probe = asd_pci_probe,
1018 .remove = asd_pci_remove,
1021 static int __init aic94xx_init(void)
1026 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1027 ASD_DRIVER_VERSION);
1029 err = asd_create_global_caches();
1033 aic94xx_transport_template =
1034 sas_domain_attach_transport(&aic94xx_transport_functions);
1035 if (!aic94xx_transport_template)
1036 goto out_destroy_caches;
1038 err = pci_register_driver(&aic94xx_pci_driver);
1040 goto out_release_transport;
1042 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1044 goto out_unregister_pcidrv;
1048 out_unregister_pcidrv:
1049 pci_unregister_driver(&aic94xx_pci_driver);
1050 out_release_transport:
1051 sas_release_transport(aic94xx_transport_template);
1053 asd_destroy_global_caches();
1058 static void __exit aic94xx_exit(void)
1060 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1061 pci_unregister_driver(&aic94xx_pci_driver);
1062 sas_release_transport(aic94xx_transport_template);
1063 asd_release_firmware();
1064 asd_destroy_global_caches();
1065 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1066 ASD_DRIVER_VERSION);
1069 module_init(aic94xx_init);
1070 module_exit(aic94xx_exit);
1072 MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1073 MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1074 MODULE_LICENSE("GPL v2");
1075 MODULE_VERSION(ASD_DRIVER_VERSION);