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- /*
- * Aic94xx SAS/SATA driver initialization.
- *
- * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
- * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
- *
- * 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 <linux/module.h>
- #include <linux/init.h>
- #include <linux/kernel.h>
- #include <linux/pci.h>
- #include <linux/delay.h>
- #include <linux/firmware.h>
- #include <linux/slab.h>
- #include <scsi/scsi_host.h>
- #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 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,
- .bios_param = sas_bios_param,
- .can_queue = 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,
- .track_queue_depth = 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;
- }
- io_handle->addr = ioremap(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));
- err = -ENOMEM;
- 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;
- return sas_register_ha(&asd_ha->sas_ha);
- }
- static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
- {
- int err;
- scsi_remove_host(asd_ha->sas_ha.core.shost);
- err = sas_unregister_ha(&asd_ha->sas_ha);
- sas_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) {
- err = -ENOMEM;
- 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 <luben_tuikov@adaptec.com>");
- MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
- MODULE_LICENSE("GPL v2");
- MODULE_VERSION(ASD_DRIVER_VERSION);
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