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提交 2dbb04c6 编写于 作者: J Jes Sorensen 提交者： James Bottomley
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[SCSI] qla1280: remove < 2.6.0 support 

Remove support for kernels older than 2.6.0.
Signed-off-by: NJes Sorensen <jes@sgi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
上级 3ee68c4a
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Showing with 23 addition and 288 deletion
drivers/scsi/qla1280.c
浏览文件 @ 2dbb04c6
......@@ -17,9 +17,11 @@
* General Public License for more details.
*
******************************************************************************/
#define QLA1280_VERSION "3.25"
#define QLA1280_VERSION "3.26"
/*****************************************************************************
Revision History:
Rev 3.26, January 16, 2006 Jes Sorensen
- Ditch all < 2.6 support
Rev 3.25.1, February 10, 2005 Christoph Hellwig
- use pci_map_single to map non-S/G requests
- remove qla1280_proc_info
......@@ -356,25 +358,18 @@
#include <asm/types.h>
#include <asm/system.h>
#if LINUX_VERSION_CODE >= 0x020545
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#else
#include <linux/blk.h>
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "sd.h"
#endif
#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
#include <asm/sn/io.h>
#endif
#if LINUX_VERSION_CODE < 0x020407
#error "Kernels older than 2.4.7 are no longer supported"
#if LINUX_VERSION_CODE < 0x020600
#error "Kernels older than 2.6.0 are no longer supported"
#endif
......@@ -441,52 +436,6 @@
#define NVRAM_DELAY() udelay(500) /* 2 microseconds */
#if LINUX_VERSION_CODE < 0x020500
#define HOST_LOCK &io_request_lock
#define irqreturn_t void
#define IRQ_RETVAL(foo)
#define MSG_ORDERED_TAG 1
#define DMA_BIDIRECTIONAL SCSI_DATA_UNKNOWN
#define DMA_TO_DEVICE SCSI_DATA_WRITE
#define DMA_FROM_DEVICE SCSI_DATA_READ
#define DMA_NONE SCSI_DATA_NONE
#ifndef HAVE_SECTOR_T
typedef unsigned int sector_t;
#endif
static inline void
scsi_adjust_queue_depth(struct scsi_device *device, int tag, int depth)
{
if (tag) {
device->tagged_queue = tag;
device->current_tag = 0;
}
device->queue_depth = depth;
}
static inline struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *t, size_t s)
{
return scsi_register(t, s);
}
static inline void scsi_host_put(struct Scsi_Host *h)
{
scsi_unregister(h);
}
#else
#define HOST_LOCK ha->host->host_lock
#endif
#if LINUX_VERSION_CODE < 0x020600
#define DEV_SIMPLE_TAGS(device) device->tagged_queue
/*
* Hack around that qla1280_remove_one is called from
* qla1280_release in 2.4
*/
#undef __devexit
#define __devexit
#else
#define DEV_SIMPLE_TAGS(device) device->simple_tags
#endif
#if defined(__ia64__) && !defined(ia64_platform_is)
#define ia64_platform_is(foo) (!strcmp(x, platform_name))
#endif
......@@ -506,9 +455,6 @@ static void qla1280_remove_one(struct pci_dev *);
* QLogic Driver Support Function Prototypes.
*/
static void qla1280_done(struct scsi_qla_host *);
#if LINUX_VERSION_CODE < 0x020545
static void qla1280_get_target_options(struct scsi_cmnd *, struct scsi_qla_host *);
#endif
static int qla1280_get_token(char *);
static int qla1280_setup(char *s) __init;
......@@ -610,11 +556,7 @@ __setup("qla1280=", qla1280_setup);
#define CMD_SNSLEN(Cmnd) sizeof(Cmnd->sense_buffer)
#define CMD_RESULT(Cmnd) Cmnd->result
#define CMD_HANDLE(Cmnd) Cmnd->host_scribble
#if LINUX_VERSION_CODE < 0x020545
#define CMD_REQUEST(Cmnd) Cmnd->request.cmd
#else
#define CMD_REQUEST(Cmnd) Cmnd->request->cmd
#endif
#define CMD_HOST(Cmnd) Cmnd->device->host
#define SCSI_BUS_32(Cmnd) Cmnd->device->channel
......@@ -1064,10 +1006,10 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
add_timer(&timer);
/* wait for the action to complete (or the timer to expire) */
spin_unlock_irq(HOST_LOCK);
spin_unlock_irq(ha->host->host_lock);
wait_for_completion(&wait);
del_timer_sync(&timer);
spin_lock_irq(HOST_LOCK);
spin_lock_irq(ha->host->host_lock);
sp->wait = NULL;
/* the only action we might get a fail for is abort */
......@@ -1173,96 +1115,6 @@ qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev,
return 0;
}
#if LINUX_VERSION_CODE < 0x020600
static int
qla1280_detect(struct scsi_host_template *template)
{
struct pci_device_id *id = &qla1280_pci_tbl[0];
struct pci_dev *pdev = NULL;
int num_hosts = 0;
if (sizeof(struct srb) > sizeof(Scsi_Pointer)) {
printk(KERN_WARNING
"qla1280: struct srb too big, aborting\n");
return 0;
}
if ((DMA_BIDIRECTIONAL != PCI_DMA_BIDIRECTIONAL) ||
(DMA_TO_DEVICE != PCI_DMA_TODEVICE) ||
(DMA_FROM_DEVICE != PCI_DMA_FROMDEVICE) ||
(DMA_NONE != PCI_DMA_NONE)) {
printk(KERN_WARNING
"qla1280: dma direction bits don't match\n");
return 0;
}
#ifdef MODULE
/*
* If we are called as a module, the qla1280 pointer may not be null
* and it would point to our bootup string, just like on the lilo
* command line. IF not NULL, then process this config string with
* qla1280_setup
*
* Boot time Options
* To add options at boot time add a line to your lilo.conf file like:
* append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}"
* which will result in the first four devices on the first two
* controllers being set to a tagged queue depth of 32.
*/
if (qla1280)
qla1280_setup(qla1280);
#endif
/* First Initialize QLA12160 on PCI Bus 1 Dev 2 */
while ((pdev = pci_find_device(id->vendor, id->device, pdev))) {
if (pdev->bus->number == 1 && PCI_SLOT(pdev->devfn) == 2) {
if (!qla1280_probe_one(pdev, id))
num_hosts++;
}
}
pdev = NULL;
/* Try and find each different type of adapter we support */
for (id = &qla1280_pci_tbl[0]; id->device; id++) {
while ((pdev = pci_find_device(id->vendor, id->device, pdev))) {
/*
* skip QLA12160 already initialized on
* PCI Bus 1 Dev 2 since we already initialized
* and presented it
*/
if (id->device == PCI_DEVICE_ID_QLOGIC_ISP12160 &&
pdev->bus->number == 1 &&
PCI_SLOT(pdev->devfn) == 2)
continue;
if (!qla1280_probe_one(pdev, id))
num_hosts++;
}
}
return num_hosts;
}
/*
* This looks a bit ugly as we could just pass down host to
* qla1280_remove_one, but I want to keep qla1280_release purely a wrapper
* around pci_driver::remove as used from 2.6 onwards.
*/
static int
qla1280_release(struct Scsi_Host *host)
{
struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
qla1280_remove_one(ha->pdev);
return 0;
}
static int
qla1280_biosparam_old(Disk * disk, kdev_t dev, int geom[])
{
return qla1280_biosparam(disk->device, NULL, disk->capacity, geom);
}
#endif
/* disable risc and host interrupts */
static inline void
......@@ -1295,7 +1147,7 @@ qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
ENTER_INTR ("qla1280_intr_handler");
ha = (struct scsi_qla_host *)dev_id;
spin_lock(HOST_LOCK);
spin_lock(ha->host->host_lock);
ha->isr_count++;
reg = ha->iobase;
......@@ -1311,7 +1163,7 @@ qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
if (!list_empty(&ha->done_q))
qla1280_done(ha);
spin_unlock(HOST_LOCK);
spin_unlock(ha->host->host_lock);
qla1280_enable_intrs(ha);
......@@ -1411,11 +1263,9 @@ qla1280_slave_configure(struct scsi_device *device)
scsi_adjust_queue_depth(device, 0, default_depth);
}
#if LINUX_VERSION_CODE > 0x020500
nv->bus[bus].target[target].parameter.enable_sync = device->sdtr;
nv->bus[bus].target[target].parameter.enable_wide = device->wdtr;
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr;
#endif
if (driver_setup.no_sync ||
(driver_setup.sync_mask &&
......@@ -1432,38 +1282,14 @@ qla1280_slave_configure(struct scsi_device *device)
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
}
spin_lock_irqsave(HOST_LOCK, flags);
spin_lock_irqsave(ha->host->host_lock, flags);
if (nv->bus[bus].target[target].parameter.enable_sync)
status = qla1280_set_target_parameters(ha, bus, target);
qla1280_get_target_parameters(ha, device);
spin_unlock_irqrestore(HOST_LOCK, flags);
spin_unlock_irqrestore(ha->host->host_lock, flags);
return status;
}
#if LINUX_VERSION_CODE < 0x020545
/**************************************************************************
* qla1280_select_queue_depth
*
* Sets the queue depth for each SCSI device hanging off the input
* host adapter. We use a queue depth of 2 for devices that do not
* support tagged queueing.
**************************************************************************/
static void
qla1280_select_queue_depth(struct Scsi_Host *host, struct scsi_device *sdev_q)
{
struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
struct scsi_device *sdev;
ENTER("qla1280_select_queue_depth");
for (sdev = sdev_q; sdev; sdev = sdev->next)
if (sdev->host == host)
qla1280_slave_configure(sdev);
if (sdev_q)
qla1280_check_for_dead_scsi_bus(ha, sdev_q->channel);
LEAVE("qla1280_select_queue_depth");
}
#endif
/*
* qla1280_done
......@@ -1523,10 +1349,6 @@ qla1280_done(struct scsi_qla_host *ha)
CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE;
ha->actthreads--;
#if LINUX_VERSION_CODE < 0x020500
if (cmd->cmnd[0] == INQUIRY)
qla1280_get_target_options(cmd, ha);
#endif
(*(cmd)->scsi_done)(cmd);
if(sp->wait != NULL)
......@@ -1655,9 +1477,7 @@ qla1280_initialize_adapter(struct scsi_qla_host *ha)
struct device_reg __iomem *reg;
int status;
int bus;
#if LINUX_VERSION_CODE > 0x020500
unsigned long flags;
#endif
ENTER("qla1280_initialize_adapter");
......@@ -1695,15 +1515,12 @@ qla1280_initialize_adapter(struct scsi_qla_host *ha)
"NVRAM\n");
}
#if LINUX_VERSION_CODE >= 0x020500
/*
* It's necessary to grab the spin here as qla1280_mailbox_command
* needs to be able to drop the lock unconditionally to wait
* for completion.
* In 2.4 ->detect is called with the io_request_lock held.
*/
spin_lock_irqsave(HOST_LOCK, flags);
#endif
spin_lock_irqsave(ha->host->host_lock, flags);
status = qla1280_load_firmware(ha);
if (status) {
......@@ -1735,9 +1552,8 @@ qla1280_initialize_adapter(struct scsi_qla_host *ha)
ha->flags.online = 1;
out:
#if LINUX_VERSION_CODE >= 0x020500
spin_unlock_irqrestore(HOST_LOCK, flags);
#endif
spin_unlock_irqrestore(ha->host->host_lock, flags);
if (status)
dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n");
......@@ -2650,14 +2466,14 @@ qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb)
timer.function = qla1280_mailbox_timeout;
add_timer(&timer);
spin_unlock_irq(HOST_LOCK);
spin_unlock_irq(ha->host->host_lock);
WRT_REG_WORD(&reg->host_cmd, HC_SET_HOST_INT);
data = qla1280_debounce_register(&reg->istatus);
wait_for_completion(&wait);
del_timer_sync(&timer);
spin_lock_irq(HOST_LOCK);
spin_lock_irq(ha->host->host_lock);
ha->mailbox_wait = NULL;
......@@ -2770,9 +2586,9 @@ qla1280_bus_reset(struct scsi_qla_host *ha, int bus)
ha->bus_settings[bus].scsi_bus_dead = 1;
ha->bus_settings[bus].failed_reset_count++;
} else {
spin_unlock_irq(HOST_LOCK);
spin_unlock_irq(ha->host->host_lock);
ssleep(reset_delay);
spin_lock_irq(HOST_LOCK);
spin_lock_irq(ha->host->host_lock);
ha->bus_settings[bus].scsi_bus_dead = 0;
ha->bus_settings[bus].failed_reset_count = 0;
......@@ -3078,7 +2894,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
(SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
/* Enable simple tag queuing if device supports it. */
if (DEV_SIMPLE_TAGS(cmd->device))
if (cmd->device->simple_tags)
pkt->control_flags |= cpu_to_le16(BIT_3);
/* Load SCSI command packet. */
......@@ -3377,7 +3193,7 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
(SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
/* Enable simple tag queuing if device supports it. */
if (DEV_SIMPLE_TAGS(cmd->device))
if (cmd->device->simple_tags)
pkt->control_flags |= cpu_to_le16(BIT_3);
/* Load SCSI command packet. */
......@@ -3889,50 +3705,6 @@ qla1280_rst_aen(struct scsi_qla_host *ha)
}
#if LINUX_VERSION_CODE < 0x020500
/*
*
*/
static void
qla1280_get_target_options(struct scsi_cmnd *cmd, struct scsi_qla_host *ha)
{
unsigned char *result;
struct nvram *n;
int bus, target, lun;
bus = SCSI_BUS_32(cmd);
target = SCSI_TCN_32(cmd);
lun = SCSI_LUN_32(cmd);
/*
* Make sure to not touch anything if someone is using the
* sg interface.
*/
if (cmd->use_sg || (CMD_RESULT(cmd) >> 16) != DID_OK || lun)
return;
result = cmd->request_buffer;
n = &ha->nvram;
n->bus[bus].target[target].parameter.enable_wide = 0;
n->bus[bus].target[target].parameter.enable_sync = 0;
n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
if (result[7] & 0x60)
n->bus[bus].target[target].parameter.enable_wide = 1;
if (result[7] & 0x10)
n->bus[bus].target[target].parameter.enable_sync = 1;
if ((result[2] >= 3) && (result[4] + 5 > 56) &&
(result[56] & 0x4))
n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n",
n->bus[bus].target[target].parameter.enable_wide,
n->bus[bus].target[target].parameter.enable_sync,
n->bus[bus].target[target].ppr_1x160.flags.enable_ppr);
}
#endif
/*
* qla1280_status_entry
* Processes received ISP status entry.
......@@ -4271,7 +4043,7 @@ qla1280_get_target_parameters(struct scsi_qla_host *ha,
} else
printk(" Async");
if (DEV_SIMPLE_TAGS(device))
if (device->simple_tags)
printk(", Tagged queuing: depth %d", device->queue_depth);
printk("\n");
}
......@@ -4485,7 +4257,7 @@ qla1280_get_token(char *str)
return ret;
}
#if LINUX_VERSION_CODE >= 0x020600
static struct scsi_host_template qla1280_driver_template = {
.module = THIS_MODULE,
.proc_name = "qla1280",
......@@ -4504,27 +4276,7 @@ static struct scsi_host_template qla1280_driver_template = {
.cmd_per_lun = 1,
.use_clustering = ENABLE_CLUSTERING,
};
#else
static struct scsi_host_template qla1280_driver_template = {
.proc_name = "qla1280",
.name = "Qlogic ISP 1280/12160",
.detect = qla1280_detect,
.release = qla1280_release,
.info = qla1280_info,
.queuecommand = qla1280_queuecommand,
.eh_abort_handler = qla1280_eh_abort,
.eh_device_reset_handler= qla1280_eh_device_reset,
.eh_bus_reset_handler = qla1280_eh_bus_reset,
.eh_host_reset_handler = qla1280_eh_adapter_reset,
.bios_param = qla1280_biosparam_old,
.can_queue = 0xfffff,
.this_id = -1,
.sg_tablesize = SG_ALL,
.cmd_per_lun = 1,
.use_clustering = ENABLE_CLUSTERING,
.use_new_eh_code = 1,
};
#endif
static int __devinit
qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
......@@ -4615,10 +4367,6 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->max_sectors = 1024;
host->unique_id = host->host_no;
#if LINUX_VERSION_CODE < 0x020545
host->select_queue_depths = qla1280_select_queue_depth;
#endif
error = -ENODEV;
#if MEMORY_MAPPED_IO
......@@ -4666,21 +4414,15 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_drvdata(pdev, host);
#if LINUX_VERSION_CODE >= 0x020600
error = scsi_add_host(host, &pdev->dev);
if (error)
goto error_disable_adapter;
scsi_scan_host(host);
#else
scsi_set_pci_device(host, pdev);
#endif
return 0;
#if LINUX_VERSION_CODE >= 0x020600
error_disable_adapter:
qla1280_disable_intrs(ha);
#endif
error_free_irq:
free_irq(pdev->irq, ha);
error_release_region:
......@@ -4712,9 +4454,7 @@ qla1280_remove_one(struct pci_dev *pdev)
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
#if LINUX_VERSION_CODE >= 0x020600
scsi_remove_host(host);
#endif
qla1280_disable_intrs(ha);
......@@ -4738,7 +4478,6 @@ qla1280_remove_one(struct pci_dev *pdev)
scsi_host_put(host);
}
#if LINUX_VERSION_CODE >= 0x020600
static struct pci_driver qla1280_pci_driver = {
.name = "qla1280",
.id_table = qla1280_pci_tbl,
......@@ -4784,10 +4523,6 @@ qla1280_exit(void)
module_init(qla1280_init);
module_exit(qla1280_exit);
#else
# define driver_template qla1280_driver_template
# include "scsi_module.c"
#endif
MODULE_AUTHOR("Qlogic & Jes Sorensen");
MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver");
......
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