/* * Aic94xx SAS/SATA driver initialization. * * Copyright (C) 2005 Adaptec, Inc. All rights reserved. * Copyright (C) 2005 Luben Tuikov * * This file is licensed under GPLv2. * * This file is part of the aic94xx driver. * * The aic94xx driver is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; version 2 of the * License. * * The aic94xx driver is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with the aic94xx driver; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #include #include #include #include #include #include #include #include #include "aic94xx.h" #include "aic94xx_reg.h" #include "aic94xx_hwi.h" #include "aic94xx_seq.h" #include "aic94xx_sds.h" /* The format is "version.release.patchlevel" */ #define ASD_DRIVER_VERSION "1.0.3" static int use_msi = 0; module_param_named(use_msi, use_msi, int, S_IRUGO); MODULE_PARM_DESC(use_msi, "\n" "\tEnable(1) or disable(0) using PCI MSI.\n" "\tDefault: 0"); static int lldd_max_execute_num = 0; module_param_named(collector, lldd_max_execute_num, int, S_IRUGO); MODULE_PARM_DESC(collector, "\n" "\tIf greater than one, tells the SAS Layer to run in Task Collector\n" "\tMode. If 1 or 0, tells the SAS Layer to run in Direct Mode.\n" "\tThe aic94xx SAS LLDD supports both modes.\n" "\tDefault: 0 (Direct Mode).\n"); static struct scsi_transport_template *aic94xx_transport_template; static int asd_scan_finished(struct Scsi_Host *, unsigned long); static void asd_scan_start(struct Scsi_Host *); static struct scsi_host_template aic94xx_sht = { .module = THIS_MODULE, /* .name is initialized */ .name = "aic94xx", .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, .scan_finished = asd_scan_finished, .scan_start = asd_scan_start, .change_queue_depth = sas_change_queue_depth, .change_queue_type = sas_change_queue_type, .bios_param = sas_bios_param, .can_queue = 1, .cmd_per_lun = 1, .this_id = -1, .sg_tablesize = SG_ALL, .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, .eh_bus_reset_handler = sas_eh_bus_reset_handler, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .use_blk_tags = 1, }; static int asd_map_memio(struct asd_ha_struct *asd_ha) { int err, i; struct asd_ha_addrspace *io_handle; asd_ha->iospace = 0; for (i = 0; i < 3; i += 2) { io_handle = &asd_ha->io_handle[i==0?0:1]; io_handle->start = pci_resource_start(asd_ha->pcidev, i); io_handle->len = pci_resource_len(asd_ha->pcidev, i); io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); err = -ENODEV; if (!io_handle->start || !io_handle->len) { asd_printk("MBAR%d start or length for %s is 0.\n", i==0?0:1, pci_name(asd_ha->pcidev)); goto Err; } err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); if (err) { asd_printk("couldn't reserve memory region for %s\n", pci_name(asd_ha->pcidev)); goto Err; } if (io_handle->flags & IORESOURCE_CACHEABLE) io_handle->addr = ioremap(io_handle->start, io_handle->len); else io_handle->addr = ioremap_nocache(io_handle->start, io_handle->len); if (!io_handle->addr) { asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1, pci_name(asd_ha->pcidev)); goto Err_unreq; } } return 0; Err_unreq: pci_release_region(asd_ha->pcidev, i); Err: if (i > 0) { io_handle = &asd_ha->io_handle[0]; iounmap(io_handle->addr); pci_release_region(asd_ha->pcidev, 0); } return err; } static void asd_unmap_memio(struct asd_ha_struct *asd_ha) { struct asd_ha_addrspace *io_handle; io_handle = &asd_ha->io_handle[1]; iounmap(io_handle->addr); pci_release_region(asd_ha->pcidev, 2); io_handle = &asd_ha->io_handle[0]; iounmap(io_handle->addr); pci_release_region(asd_ha->pcidev, 0); } static int asd_map_ioport(struct asd_ha_struct *asd_ha) { int i = PCI_IOBAR_OFFSET, err; struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0]; asd_ha->iospace = 1; io_handle->start = pci_resource_start(asd_ha->pcidev, i); io_handle->len = pci_resource_len(asd_ha->pcidev, i); io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); io_handle->addr = (void __iomem *) io_handle->start; if (!io_handle->start || !io_handle->len) { asd_printk("couldn't get IO ports for %s\n", pci_name(asd_ha->pcidev)); return -ENODEV; } err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); if (err) { asd_printk("couldn't reserve io space for %s\n", pci_name(asd_ha->pcidev)); } return err; } static void asd_unmap_ioport(struct asd_ha_struct *asd_ha) { pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET); } static int asd_map_ha(struct asd_ha_struct *asd_ha) { int err; u16 cmd_reg; err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg); if (err) { asd_printk("couldn't read command register of %s\n", pci_name(asd_ha->pcidev)); goto Err; } err = -ENODEV; if (cmd_reg & PCI_COMMAND_MEMORY) { if ((err = asd_map_memio(asd_ha))) goto Err; } else if (cmd_reg & PCI_COMMAND_IO) { if ((err = asd_map_ioport(asd_ha))) goto Err; asd_printk("%s ioport mapped -- upgrade your hardware\n", pci_name(asd_ha->pcidev)); } else { asd_printk("no proper device access to %s\n", pci_name(asd_ha->pcidev)); goto Err; } return 0; Err: return err; } static void asd_unmap_ha(struct asd_ha_struct *asd_ha) { if (asd_ha->iospace) asd_unmap_ioport(asd_ha); else asd_unmap_memio(asd_ha); } static const char *asd_dev_rev[30] = { [0] = "A0", [1] = "A1", [8] = "B0", }; static int asd_common_setup(struct asd_ha_struct *asd_ha) { int err, i; asd_ha->revision_id = asd_ha->pcidev->revision; err = -ENODEV; if (asd_ha->revision_id < AIC9410_DEV_REV_B0) { asd_printk("%s is revision %s (%X), which is not supported\n", pci_name(asd_ha->pcidev), asd_dev_rev[asd_ha->revision_id], asd_ha->revision_id); goto Err; } /* Provide some sane default values. */ asd_ha->hw_prof.max_scbs = 512; asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS; asd_ha->hw_prof.num_phys = ASD_MAX_PHYS; /* All phys are enabled, by default. */ asd_ha->hw_prof.enabled_phys = 0xFF; for (i = 0; i < ASD_MAX_PHYS; i++) { asd_ha->hw_prof.phy_desc[i].max_sas_lrate = SAS_LINK_RATE_3_0_GBPS; asd_ha->hw_prof.phy_desc[i].min_sas_lrate = SAS_LINK_RATE_1_5_GBPS; asd_ha->hw_prof.phy_desc[i].max_sata_lrate = SAS_LINK_RATE_1_5_GBPS; asd_ha->hw_prof.phy_desc[i].min_sata_lrate = SAS_LINK_RATE_1_5_GBPS; } return 0; Err: return err; } static int asd_aic9410_setup(struct asd_ha_struct *asd_ha) { int err = asd_common_setup(asd_ha); if (err) return err; asd_ha->hw_prof.addr_range = 8; asd_ha->hw_prof.port_name_base = 0; asd_ha->hw_prof.dev_name_base = 8; asd_ha->hw_prof.sata_name_base = 16; return 0; } static int asd_aic9405_setup(struct asd_ha_struct *asd_ha) { int err = asd_common_setup(asd_ha); if (err) return err; asd_ha->hw_prof.addr_range = 4; asd_ha->hw_prof.port_name_base = 0; asd_ha->hw_prof.dev_name_base = 4; asd_ha->hw_prof.sata_name_base = 8; return 0; } static ssize_t asd_show_dev_rev(struct device *dev, struct device_attribute *attr, char *buf) { struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); return snprintf(buf, PAGE_SIZE, "%s\n", asd_dev_rev[asd_ha->revision_id]); } static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL); static ssize_t asd_show_dev_bios_build(struct device *dev, struct device_attribute *attr,char *buf) { struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld); } static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL); static ssize_t asd_show_dev_pcba_sn(struct device *dev, struct device_attribute *attr, char *buf) { struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn); } static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL); #define FLASH_CMD_NONE 0x00 #define FLASH_CMD_UPDATE 0x01 #define FLASH_CMD_VERIFY 0x02 struct flash_command { u8 command[8]; int code; }; static struct flash_command flash_command_table[] = { {"verify", FLASH_CMD_VERIFY}, {"update", FLASH_CMD_UPDATE}, {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ }; struct error_bios { char *reason; int err_code; }; static struct error_bios flash_error_table[] = { {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE}, {"PCI ID mismatch", FAIL_CHECK_PCI_ID}, {"Checksum mismatch", FAIL_CHECK_SUM}, {"Unknown Error", FAIL_UNKNOWN}, {"Failed to verify.", FAIL_VERIFY}, {"Failed to reset flash chip.", FAIL_RESET_FLASH}, {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID}, {"Failed to erash flash chip.", FAIL_ERASE_FLASH}, {"Failed to program flash chip.", FAIL_WRITE_FLASH}, {"Flash in progress", FLASH_IN_PROGRESS}, {"Image file size Error", FAIL_FILE_SIZE}, {"Input parameter error", FAIL_PARAMETERS}, {"Out of memory", FAIL_OUT_MEMORY}, {"OK", 0} /* Last entry err_code = 0. */ }; static ssize_t asd_store_update_bios(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); char *cmd_ptr, *filename_ptr; struct bios_file_header header, *hdr_ptr; int res, i; u32 csum = 0; int flash_command = FLASH_CMD_NONE; int err = 0; cmd_ptr = kzalloc(count*2, GFP_KERNEL); if (!cmd_ptr) { err = FAIL_OUT_MEMORY; goto out; } filename_ptr = cmd_ptr + count; res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); if (res != 2) { err = FAIL_PARAMETERS; goto out1; } for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { if (!memcmp(flash_command_table[i].command, cmd_ptr, strlen(cmd_ptr))) { flash_command = flash_command_table[i].code; break; } } if (flash_command == FLASH_CMD_NONE) { err = FAIL_PARAMETERS; goto out1; } if (asd_ha->bios_status == FLASH_IN_PROGRESS) { err = FLASH_IN_PROGRESS; goto out1; } err = request_firmware(&asd_ha->bios_image, filename_ptr, &asd_ha->pcidev->dev); if (err) { asd_printk("Failed to load bios image file %s, error %d\n", filename_ptr, err); err = FAIL_OPEN_BIOS_FILE; goto out1; } hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data; if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor || hdr_ptr->contrl_id.device != asd_ha->pcidev->device) && (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor || hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) { ASD_DPRINTK("The PCI vendor or device id does not match\n"); ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x" " pci vendor=%x pci dev=%x\n", hdr_ptr->contrl_id.vendor, hdr_ptr->contrl_id.device, hdr_ptr->contrl_id.sub_vendor, hdr_ptr->contrl_id.sub_device, asd_ha->pcidev->vendor, asd_ha->pcidev->device); err = FAIL_CHECK_PCI_ID; goto out2; } if (hdr_ptr->filelen != asd_ha->bios_image->size) { err = FAIL_FILE_SIZE; goto out2; } /* calculate checksum */ for (i = 0; i < hdr_ptr->filelen; i++) csum += asd_ha->bios_image->data[i]; if ((csum & 0x0000ffff) != hdr_ptr->checksum) { ASD_DPRINTK("BIOS file checksum mismatch\n"); err = FAIL_CHECK_SUM; goto out2; } if (flash_command == FLASH_CMD_UPDATE) { asd_ha->bios_status = FLASH_IN_PROGRESS; err = asd_write_flash_seg(asd_ha, &asd_ha->bios_image->data[sizeof(*hdr_ptr)], 0, hdr_ptr->filelen-sizeof(*hdr_ptr)); if (!err) err = asd_verify_flash_seg(asd_ha, &asd_ha->bios_image->data[sizeof(*hdr_ptr)], 0, hdr_ptr->filelen-sizeof(*hdr_ptr)); } else { asd_ha->bios_status = FLASH_IN_PROGRESS; err = asd_verify_flash_seg(asd_ha, &asd_ha->bios_image->data[sizeof(header)], 0, hdr_ptr->filelen-sizeof(header)); } out2: release_firmware(asd_ha->bios_image); out1: kfree(cmd_ptr); out: asd_ha->bios_status = err; if (!err) return count; else return -err; } static ssize_t asd_show_update_bios(struct device *dev, struct device_attribute *attr, char *buf) { int i; struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); for (i = 0; flash_error_table[i].err_code != 0; i++) { if (flash_error_table[i].err_code == asd_ha->bios_status) break; } if (asd_ha->bios_status != FLASH_IN_PROGRESS) asd_ha->bios_status = FLASH_OK; return snprintf(buf, PAGE_SIZE, "status=%x %s\n", flash_error_table[i].err_code, flash_error_table[i].reason); } static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR, asd_show_update_bios, asd_store_update_bios); static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) { int err; err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision); if (err) return err; err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); if (err) goto err_rev; err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); if (err) goto err_biosb; err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios); if (err) goto err_update_bios; return 0; err_update_bios: device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); err_biosb: device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); err_rev: device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); return err; } static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) { device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios); } /* The first entry, 0, is used for dynamic ids, the rest for devices * we know about. */ static const struct asd_pcidev_struct { const char * name; int (*setup)(struct asd_ha_struct *asd_ha); } asd_pcidev_data[] = { /* Id 0 is used for dynamic ids. */ { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter", .setup = asd_aic9410_setup }, { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter", .setup = asd_aic9410_setup }, { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter", .setup = asd_aic9405_setup }, }; static int asd_create_ha_caches(struct asd_ha_struct *asd_ha) { asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool", &asd_ha->pcidev->dev, sizeof(struct scb), 8, 0); if (!asd_ha->scb_pool) { asd_printk("couldn't create scb pool\n"); return -ENOMEM; } return 0; } /** * asd_free_edbs -- free empty data buffers * asd_ha: pointer to host adapter structure */ static void asd_free_edbs(struct asd_ha_struct *asd_ha) { struct asd_seq_data *seq = &asd_ha->seq; int i; for (i = 0; i < seq->num_edbs; i++) asd_free_coherent(asd_ha, seq->edb_arr[i]); kfree(seq->edb_arr); seq->edb_arr = NULL; } static void asd_free_escbs(struct asd_ha_struct *asd_ha) { struct asd_seq_data *seq = &asd_ha->seq; int i; for (i = 0; i < seq->num_escbs; i++) { if (!list_empty(&seq->escb_arr[i]->list)) list_del_init(&seq->escb_arr[i]->list); asd_ascb_free(seq->escb_arr[i]); } kfree(seq->escb_arr); seq->escb_arr = NULL; } static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha) { int i; if (asd_ha->hw_prof.ddb_ext) asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext); if (asd_ha->hw_prof.scb_ext) asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext); if (asd_ha->hw_prof.ddb_bitmap) kfree(asd_ha->hw_prof.ddb_bitmap); asd_ha->hw_prof.ddb_bitmap = NULL; for (i = 0; i < ASD_MAX_PHYS; i++) { struct asd_phy *phy = &asd_ha->phys[i]; asd_free_coherent(asd_ha, phy->id_frm_tok); } if (asd_ha->seq.escb_arr) asd_free_escbs(asd_ha); if (asd_ha->seq.edb_arr) asd_free_edbs(asd_ha); if (asd_ha->hw_prof.ue.area) { kfree(asd_ha->hw_prof.ue.area); asd_ha->hw_prof.ue.area = NULL; } if (asd_ha->seq.tc_index_array) { kfree(asd_ha->seq.tc_index_array); kfree(asd_ha->seq.tc_index_bitmap); asd_ha->seq.tc_index_array = NULL; asd_ha->seq.tc_index_bitmap = NULL; } if (asd_ha->seq.actual_dl) { asd_free_coherent(asd_ha, asd_ha->seq.actual_dl); asd_ha->seq.actual_dl = NULL; asd_ha->seq.dl = NULL; } if (asd_ha->seq.next_scb.vaddr) { dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr, asd_ha->seq.next_scb.dma_handle); asd_ha->seq.next_scb.vaddr = NULL; } dma_pool_destroy(asd_ha->scb_pool); asd_ha->scb_pool = NULL; } struct kmem_cache *asd_dma_token_cache; struct kmem_cache *asd_ascb_cache; static int asd_create_global_caches(void) { if (!asd_dma_token_cache) { asd_dma_token_cache = kmem_cache_create(ASD_DRIVER_NAME "_dma_token", sizeof(struct asd_dma_tok), 0, SLAB_HWCACHE_ALIGN, NULL); if (!asd_dma_token_cache) { asd_printk("couldn't create dma token cache\n"); return -ENOMEM; } } if (!asd_ascb_cache) { asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb", sizeof(struct asd_ascb), 0, SLAB_HWCACHE_ALIGN, NULL); if (!asd_ascb_cache) { asd_printk("couldn't create ascb cache\n"); goto Err; } } return 0; Err: kmem_cache_destroy(asd_dma_token_cache); asd_dma_token_cache = NULL; return -ENOMEM; } static void asd_destroy_global_caches(void) { if (asd_dma_token_cache) kmem_cache_destroy(asd_dma_token_cache); asd_dma_token_cache = NULL; if (asd_ascb_cache) kmem_cache_destroy(asd_ascb_cache); asd_ascb_cache = NULL; } static int asd_register_sas_ha(struct asd_ha_struct *asd_ha) { int i; struct asd_sas_phy **sas_phys = kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL); struct asd_sas_port **sas_ports = kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL); if (!sas_phys || !sas_ports) { kfree(sas_phys); kfree(sas_ports); return -ENOMEM; } asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name; asd_ha->sas_ha.lldd_module = THIS_MODULE; asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0]; for (i = 0; i < ASD_MAX_PHYS; i++) { sas_phys[i] = &asd_ha->phys[i].sas_phy; sas_ports[i] = &asd_ha->ports[i]; } asd_ha->sas_ha.sas_phy = sas_phys; asd_ha->sas_ha.sas_port= sas_ports; asd_ha->sas_ha.num_phys= ASD_MAX_PHYS; asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue; asd_ha->sas_ha.lldd_max_execute_num = lldd_max_execute_num; return sas_register_ha(&asd_ha->sas_ha); } static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha) { int err; err = sas_unregister_ha(&asd_ha->sas_ha); sas_remove_host(asd_ha->sas_ha.core.shost); scsi_remove_host(asd_ha->sas_ha.core.shost); scsi_host_put(asd_ha->sas_ha.core.shost); kfree(asd_ha->sas_ha.sas_phy); kfree(asd_ha->sas_ha.sas_port); return err; } static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { const struct asd_pcidev_struct *asd_dev; unsigned asd_id = (unsigned) id->driver_data; struct asd_ha_struct *asd_ha; struct Scsi_Host *shost; int err; if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) { asd_printk("wrong driver_data in PCI table\n"); return -ENODEV; } if ((err = pci_enable_device(dev))) { asd_printk("couldn't enable device %s\n", pci_name(dev)); return err; } pci_set_master(dev); err = -ENOMEM; shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *)); if (!shost) goto Err; asd_dev = &asd_pcidev_data[asd_id]; asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL); if (!asd_ha) { asd_printk("out of memory\n"); goto Err_put; } asd_ha->pcidev = dev; asd_ha->sas_ha.dev = &asd_ha->pcidev->dev; asd_ha->sas_ha.lldd_ha = asd_ha; asd_ha->bios_status = FLASH_OK; asd_ha->name = asd_dev->name; asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev)); SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha; asd_ha->sas_ha.core.shost = shost; shost->transportt = aic94xx_transport_template; shost->max_id = ~0; shost->max_lun = ~0; shost->max_cmd_len = 16; err = scsi_add_host(shost, &dev->dev); if (err) goto Err_free; err = asd_dev->setup(asd_ha); if (err) goto Err_remove; err = -ENODEV; if (!pci_set_dma_mask(dev, DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64))) ; else if (!pci_set_dma_mask(dev, DMA_BIT_MASK(32)) && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32))) ; else { asd_printk("no suitable DMA mask for %s\n", pci_name(dev)); goto Err_remove; } pci_set_drvdata(dev, asd_ha); err = asd_map_ha(asd_ha); if (err) goto Err_remove; err = asd_create_ha_caches(asd_ha); if (err) goto Err_unmap; err = asd_init_hw(asd_ha); if (err) goto Err_free_cache; asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled " "phys, flash %s, BIOS %s%d\n", pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr), asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys, asd_ha->hw_prof.num_phys, asd_ha->hw_prof.flash.present ? "present" : "not present", asd_ha->hw_prof.bios.present ? "build " : "not present", asd_ha->hw_prof.bios.bld); shost->can_queue = asd_ha->seq.can_queue; if (use_msi) pci_enable_msi(asd_ha->pcidev); err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED, ASD_DRIVER_NAME, asd_ha); if (err) { asd_printk("couldn't get irq %d for %s\n", asd_ha->pcidev->irq, pci_name(asd_ha->pcidev)); goto Err_irq; } asd_enable_ints(asd_ha); err = asd_init_post_escbs(asd_ha); if (err) { asd_printk("couldn't post escbs for %s\n", pci_name(asd_ha->pcidev)); goto Err_escbs; } ASD_DPRINTK("escbs posted\n"); err = asd_create_dev_attrs(asd_ha); if (err) goto Err_dev_attrs; err = asd_register_sas_ha(asd_ha); if (err) goto Err_reg_sas; scsi_scan_host(shost); return 0; Err_reg_sas: asd_remove_dev_attrs(asd_ha); Err_dev_attrs: Err_escbs: asd_disable_ints(asd_ha); free_irq(dev->irq, asd_ha); Err_irq: if (use_msi) pci_disable_msi(dev); asd_chip_hardrst(asd_ha); Err_free_cache: asd_destroy_ha_caches(asd_ha); Err_unmap: asd_unmap_ha(asd_ha); Err_remove: scsi_remove_host(shost); Err_free: kfree(asd_ha); Err_put: scsi_host_put(shost); Err: pci_disable_device(dev); return err; } static void asd_free_queues(struct asd_ha_struct *asd_ha) { unsigned long flags; LIST_HEAD(pending); struct list_head *n, *pos; spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags); asd_ha->seq.pending = 0; list_splice_init(&asd_ha->seq.pend_q, &pending); spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags); if (!list_empty(&pending)) ASD_DPRINTK("Uh-oh! Pending is not empty!\n"); list_for_each_safe(pos, n, &pending) { struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list); /* * Delete unexpired ascb timers. This may happen if we issue * a CONTROL PHY scb to an adapter and rmmod before the scb * times out. Apparently we don't wait for the CONTROL PHY * to complete, so it doesn't matter if we kill the timer. */ del_timer_sync(&ascb->timer); WARN_ON(ascb->scb->header.opcode != CONTROL_PHY); list_del_init(pos); ASD_DPRINTK("freeing from pending\n"); asd_ascb_free(ascb); } } static void asd_turn_off_leds(struct asd_ha_struct *asd_ha) { u8 phy_mask = asd_ha->hw_prof.enabled_phys; u8 i; for_each_phy(phy_mask, phy_mask, i) { asd_turn_led(asd_ha, i, 0); asd_control_led(asd_ha, i, 0); } } static void asd_pci_remove(struct pci_dev *dev) { struct asd_ha_struct *asd_ha = pci_get_drvdata(dev); if (!asd_ha) return; asd_unregister_sas_ha(asd_ha); asd_disable_ints(asd_ha); asd_remove_dev_attrs(asd_ha); /* XXX more here as needed */ free_irq(dev->irq, asd_ha); if (use_msi) pci_disable_msi(asd_ha->pcidev); asd_turn_off_leds(asd_ha); asd_chip_hardrst(asd_ha); asd_free_queues(asd_ha); asd_destroy_ha_caches(asd_ha); asd_unmap_ha(asd_ha); kfree(asd_ha); pci_disable_device(dev); return; } static void asd_scan_start(struct Scsi_Host *shost) { struct asd_ha_struct *asd_ha; int err; asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha; err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys); if (err) asd_printk("Couldn't enable phys, err:%d\n", err); } static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time) { /* give the phy enabling interrupt event time to come in (1s * is empirically about all it takes) */ if (time < HZ) return 0; /* Wait for discovery to finish */ sas_drain_work(SHOST_TO_SAS_HA(shost)); return 1; } static ssize_t asd_version_show(struct device_driver *driver, char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION); } static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL); static int asd_create_driver_attrs(struct device_driver *driver) { return driver_create_file(driver, &driver_attr_version); } static void asd_remove_driver_attrs(struct device_driver *driver) { driver_remove_file(driver, &driver_attr_version); } static struct sas_domain_function_template aic94xx_transport_functions = { .lldd_dev_found = asd_dev_found, .lldd_dev_gone = asd_dev_gone, .lldd_execute_task = asd_execute_task, .lldd_abort_task = asd_abort_task, .lldd_abort_task_set = asd_abort_task_set, .lldd_clear_aca = asd_clear_aca, .lldd_clear_task_set = asd_clear_task_set, .lldd_I_T_nexus_reset = asd_I_T_nexus_reset, .lldd_lu_reset = asd_lu_reset, .lldd_query_task = asd_query_task, .lldd_clear_nexus_port = asd_clear_nexus_port, .lldd_clear_nexus_ha = asd_clear_nexus_ha, .lldd_control_phy = asd_control_phy, .lldd_ata_set_dmamode = asd_set_dmamode, }; static const struct pci_device_id aic94xx_pci_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2}, {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2}, {} }; MODULE_DEVICE_TABLE(pci, aic94xx_pci_table); static struct pci_driver aic94xx_pci_driver = { .name = ASD_DRIVER_NAME, .id_table = aic94xx_pci_table, .probe = asd_pci_probe, .remove = asd_pci_remove, }; static int __init aic94xx_init(void) { int err; asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION, ASD_DRIVER_VERSION); err = asd_create_global_caches(); if (err) return err; aic94xx_transport_template = sas_domain_attach_transport(&aic94xx_transport_functions); if (!aic94xx_transport_template) goto out_destroy_caches; err = pci_register_driver(&aic94xx_pci_driver); if (err) goto out_release_transport; err = asd_create_driver_attrs(&aic94xx_pci_driver.driver); if (err) goto out_unregister_pcidrv; return err; out_unregister_pcidrv: pci_unregister_driver(&aic94xx_pci_driver); out_release_transport: sas_release_transport(aic94xx_transport_template); out_destroy_caches: asd_destroy_global_caches(); return err; } static void __exit aic94xx_exit(void) { asd_remove_driver_attrs(&aic94xx_pci_driver.driver); pci_unregister_driver(&aic94xx_pci_driver); sas_release_transport(aic94xx_transport_template); asd_release_firmware(); asd_destroy_global_caches(); asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION, ASD_DRIVER_VERSION); } module_init(aic94xx_init); module_exit(aic94xx_exit); MODULE_AUTHOR("Luben Tuikov "); MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION); MODULE_LICENSE("GPL v2"); MODULE_VERSION(ASD_DRIVER_VERSION);