linux/drivers/scsi/aic94xx/aic94xx_init.c
Auke Kok 44c10138fd PCI: Change all drivers to use pci_device->revision
Instead of all drivers reading pci config space to get the revision
ID, they can now use the pci_device->revision member.

This exposes some issues where drivers where reading a word or a dword
for the revision number, and adding useless error-handling around the
read. Some drivers even just read it for no purpose of all.

In devices where the revision ID is being copied over and used in what
appears to be the equivalent of hotpath, I have left the copy code
and the cached copy as not to influence the driver's performance.

Compile tested with make all{yes,mod}config on x86_64 and i386.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Acked-by: Dave Jones <davej@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-11 16:02:10 -07:00

914 lines
23 KiB
C

/*
* 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 <scsi/scsi_host.h>
#include "aic94xx.h"
#include "aic94xx_reg.h"
#include "aic94xx_hwi.h"
#include "aic94xx_seq.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");
char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
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,
.slave_destroy = sas_slave_destroy,
.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,
};
static int __devinit 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 __devexit 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 __devinit 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 __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha)
{
pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
}
static int __devinit 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 __devexit 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 __devinit 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 __devinit 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 __devinit 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);
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;
return 0;
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);
}
/* The first entry, 0, is used for dynamic ids, the rest for devices
* we know about.
*/
static 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 inline 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 inline 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 inline 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 inline 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, 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, 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 =
kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL);
struct asd_sas_port **sas_ports =
kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), 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 __devinit asd_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
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;
}
asd_ha->pcidev = dev;
asd_ha->sas_ha.pcidev = asd_ha->pcidev;
asd_ha->sas_ha.lldd_ha = asd_ha;
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) {
scsi_host_put(shost);
goto Err_free;
}
err = asd_dev->setup(asd_ha);
if (err)
goto Err_free;
err = -ENODEV;
if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)
&& !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK))
;
else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK)
&& !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK))
;
else {
asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
goto Err_free;
}
pci_set_drvdata(dev, asd_ha);
err = asd_map_ha(asd_ha);
if (err)
goto Err_free;
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_free:
kfree(asd_ha);
scsi_remove_host(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 __devexit 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 */
scsi_flush_work(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 = NULL,
.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,
};
static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10),
0, 0, 1},
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12),
0, 0, 1},
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E),
0, 0, 1},
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1F),
0, 0, 1},
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30),
0, 0, 2},
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32),
0, 0, 2},
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E),
0, 0, 2},
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F),
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 = __devexit_p(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 <luben_tuikov@adaptec.com>");
MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
MODULE_LICENSE("GPL v2");
MODULE_VERSION(ASD_DRIVER_VERSION);