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提交 cbd5f69b 编写于 作者: L Leubner, Achim 提交者： James Bottomley
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[SCSI] remove the scsi_request interface from the gdth driver 

Initial pass at converting the gdth driver away from the scsi_request
interface so that the request interface can be removed post 2.6.18
without breaking gdth.  Based on changes from Christoph Hellwig
<hch@lst.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
上级 5d5ff44f
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Showing with 297 addition and 497 deletion
drivers/scsi/gdth.c
浏览文件 @ cbd5f69b
此差异已折叠。
drivers/scsi/gdth.h
浏览文件 @ cbd5f69b
......@@ -4,13 +4,13 @@
/*
* Header file for the GDT Disk Array/Storage RAID controllers driver for Linux
*
* gdth.h Copyright (C) 1995-03 ICP vortex, Achim Leubner
* gdth.h Copyright (C) 1995-06 ICP vortex, Achim Leubner
* See gdth.c for further informations and
* below for supported controller types
*
* <achim_leubner@adaptec.com>
*
* $Id: gdth.h,v 1.57 2004/03/31 11:52:09 achim Exp $
* $Id: gdth.h,v 1.58 2006/01/11 16:14:09 achim Exp $
*/
#include <linux/version.h>
......@@ -26,9 +26,9 @@
/* defines, macros */
/* driver version */
#define GDTH_VERSION_STR "3.04"
#define GDTH_VERSION_STR "3.05"
#define GDTH_VERSION 3
#define GDTH_SUBVERSION 4
#define GDTH_SUBVERSION 5
/* protocol version */
#define PROTOCOL_VERSION 1
......
drivers/scsi/gdth_kcompat.h
浏览文件 @ cbd5f69b
#ifndef IRQ_HANDLED
typedef void irqreturn_t;
#define IRQ_NONE
......@@ -10,6 +8,18 @@ typedef void irqreturn_t;
#define MODULE_LICENSE(x)
#endif
#ifndef __iomem
#define __iomem
#endif
#ifndef __attribute_used__
#define __attribute_used__ __devinitdata
#endif
#ifndef __user
#define __user
#endif
#ifndef SERVICE_ACTION_IN
#define SERVICE_ACTION_IN 0x9e
#endif
......
drivers/scsi/gdth_proc.c
浏览文件 @ cbd5f69b
/* gdth_proc.c
* $Id: gdth_proc.c,v 1.42 2004/03/05 15:50:20 achim Exp $
* $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $
*/
#include <linux/completion.h>
......@@ -51,57 +51,26 @@ int gdth_proc_info(char *buffer,char **start,off_t offset,int length,int hostno,
static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host,
int hanum,int busnum)
{
int ret_val = -EINVAL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
Scsi_Request *scp;
struct scsi_device *sdev;
#else
Scsi_Cmnd *scp;
struct scsi_device *sdev;
#endif
TRACE2(("gdth_set_info() ha %d bus %d\n",hanum,busnum));
int ret_val = -EINVAL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
sdev = scsi_get_host_dev(host);
scp = scsi_allocate_request(sdev, GFP_KERNEL);
if (!scp)
return -ENOMEM;
scp->sr_cmd_len = 12;
scp->sr_use_sg = 0;
#else
sdev = scsi_get_host_dev(host);
scp = scsi_allocate_device(sdev, 1, FALSE);
if (!scp)
return -ENOMEM;
scp->cmd_len = 12;
scp->use_sg = 0;
#endif
TRACE2(("gdth_set_info() ha %d bus %d\n",hanum,busnum));
if (length >= 4) {
if (strncmp(buffer,"gdth",4) == 0) {
buffer += 5;
length -= 5;
ret_val = gdth_set_asc_info( buffer, length, hanum, scp );
ret_val = gdth_set_asc_info(host, buffer, length, hanum);
}
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
scsi_release_request(scp);
scsi_free_host_dev(sdev);
#else
scsi_release_command(scp);
scsi_free_host_dev(sdev);
#endif
return ret_val;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Request *scp)
#else
static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp)
#endif
static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer,
int length,int hanum)
{
int orig_length, drive, wb_mode;
int i, found;
int orig_length, drive, wb_mode;
int i, found;
gdth_ha_str *ha;
gdth_cmd_str gdtcmd;
gdth_cpar_str *pcpar;
......@@ -146,11 +115,8 @@ static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp)
gdtcmd.u.cache.DeviceNo = i;
gdtcmd.u.cache.BlockNo = 1;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, &gdtcmd, cmnd, 30);
#else
gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
#endif
gdth_execute(host, &gdtcmd, cmnd, 30, NULL);
}
}
if (!found)
......@@ -202,11 +168,9 @@ static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp)
gdtcmd.u.ioctl.subfunc = CACHE_CONFIG;
gdtcmd.u.ioctl.channel = INVALID_CHANNEL;
pcpar->write_back = wb_mode==1 ? 0:1;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, &gdtcmd, cmnd, 30);
#else
gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
#endif
gdth_execute(host, &gdtcmd, cmnd, 30, NULL);
gdth_ioctl_free(hanum, GDTH_SCRATCH, ha->pscratch, paddr);
printk("Done.\n");
return(orig_length);
......@@ -230,13 +194,6 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
gdth_cmd_str *gdtcmd;
gdth_evt_str *estr;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
Scsi_Request *scp;
struct scsi_device *sdev;
#else
Scsi_Cmnd *scp;
struct scsi_device *sdev;
#endif
char hrec[161];
struct timeval tv;
......@@ -252,7 +209,7 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
gdtcmd = kmalloc(sizeof(*gdtcmd), GFP_KERNEL);
estr = kmalloc(sizeof(*estr), GFP_KERNEL);
if (!gdtcmd || !estr)
goto free_fail;
goto free_fail;
memset(cmnd, 0xff, 12);
memset(gdtcmd, 0, sizeof(gdth_cmd_str));
......@@ -260,28 +217,6 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
TRACE2(("gdth_get_info() ha %d bus %d\n",hanum,busnum));
ha = HADATA(gdth_ctr_tab[hanum]);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
sdev = scsi_get_host_dev(host);
scp = scsi_allocate_request(sdev, GFP_KERNEL);
if (!scp)
goto free_fail;
scp->sr_cmd_len = 12;
scp->sr_use_sg = 0;
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
sdev = scsi_get_host_dev(host);
scp = scsi_allocate_device(sdev, 1, FALSE);
if (!scp)
goto free_fail;
scp->cmd_len = 12;
scp->use_sg = 0;
#else
memset(&sdev,0,sizeof(struct scsi_device));
memset(&scp, 0,sizeof(Scsi_Cmnd));
sdev.host = scp.host = host;
sdev.id = scp.target = sdev.host->this_id;
scp.device = &sdev;
#endif
/* request is i.e. "cat /proc/scsi/gdth/0" */
/* format: %-15s\t%-10s\t%-15s\t%s */
......@@ -386,16 +321,9 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
sizeof(pds->list[0]);
if (pds->entries > cnt)
pds->entries = cnt;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, gdtcmd, cmnd, 30);
if (scp->sr_command->SCp.Status != S_OK)
#else
gdth_do_cmd(scp, gdtcmd, cmnd, 30);
if (scp->SCp.Status != S_OK)
#endif
{
if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK)
pds->count = 0;
}
/* other IOCTLs must fit into area GDTH_SCRATCH/4 */
for (j = 0; j < ha->raw[i].pdev_cnt; ++j) {
......@@ -410,14 +338,8 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
gdtcmd->u.ioctl.subfunc = SCSI_DR_INFO | L_CTRL_PATTERN;
gdtcmd->u.ioctl.channel =
ha->raw[i].address | ha->raw[i].id_list[j];
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, gdtcmd, cmnd, 30);
if (scp->sr_command->SCp.Status == S_OK)
#else
gdth_do_cmd(scp, gdtcmd, cmnd, 30);
if (scp->SCp.Status == S_OK)
#endif
{
if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
strncpy(hrec,pdi->vendor,8);
strncpy(hrec+8,pdi->product,16);
strncpy(hrec+24,pdi->revision,4);
......@@ -466,14 +388,8 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
gdtcmd->u.ioctl.channel =
ha->raw[i].address | ha->raw[i].id_list[j];
pdef->sddc_type = 0x08;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, gdtcmd, cmnd, 30);
if (scp->sr_command->SCp.Status == S_OK)
#else
gdth_do_cmd(scp, gdtcmd, cmnd, 30);
if (scp->SCp.Status == S_OK)
#endif
{
if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
size = sprintf(buffer+len,
" Grown Defects:\t%d\n",
pdef->sddc_cnt);
......@@ -519,16 +435,8 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
gdtcmd->u.ioctl.param_size = sizeof(gdth_cdrinfo_str);
gdtcmd->u.ioctl.subfunc = CACHE_DRV_INFO;
gdtcmd->u.ioctl.channel = drv_no;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, gdtcmd, cmnd, 30);
if (scp->sr_command->SCp.Status != S_OK)
#else
gdth_do_cmd(scp, gdtcmd, cmnd, 30);
if (scp->SCp.Status != S_OK)
#endif
{
if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK)
break;
}
pcdi->ld_dtype >>= 16;
j++;
if (pcdi->ld_dtype > 2) {
......@@ -629,14 +537,7 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
gdtcmd->u.ioctl.param_size = sizeof(gdth_arrayinf_str);
gdtcmd->u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN;
gdtcmd->u.ioctl.channel = i;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, gdtcmd, cmnd, 30);
if (scp->sr_command->SCp.Status == S_OK)
#else
gdth_do_cmd(scp, gdtcmd, cmnd, 30);
if (scp->SCp.Status == S_OK)
#endif
{
if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
if (pai->ai_state == 0)
strcpy(hrec, "idle");
else if (pai->ai_state == 2)
......@@ -710,14 +611,7 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
gdtcmd->u.ioctl.channel = i;
phg->entries = MAX_HDRIVES;
phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
gdth_do_req(scp, gdtcmd, cmnd, 30);
if (scp->sr_command->SCp.Status != S_OK)
#else
gdth_do_cmd(scp, gdtcmd, cmnd, 30);
if (scp->SCp.Status != S_OK)
#endif
{
if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
ha->hdr[i].ldr_no = i;
ha->hdr[i].rw_attribs = 0;
ha->hdr[i].start_sec = 0;
......@@ -791,13 +685,6 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
}
stop_output:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
scsi_release_request(scp);
scsi_free_host_dev(sdev);
#else
scsi_release_command(scp);
scsi_free_host_dev(sdev);
#endif
*start = buffer +(offset-begin);
len -= (offset-begin);
if (len > length)
......@@ -812,64 +699,6 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
return rc;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static void gdth_do_req(Scsi_Request *scp, gdth_cmd_str *gdtcmd,
char *cmnd, int timeout)
{
unsigned bufflen;
DECLARE_COMPLETION(wait);
TRACE2(("gdth_do_req()\n"));
if (gdtcmd != NULL) {
bufflen = sizeof(gdth_cmd_str);
} else {
bufflen = 0;
}
scp->sr_request->rq_status = RQ_SCSI_BUSY;
scp->sr_request->waiting = &wait;
scsi_do_req(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1);
wait_for_completion(&wait);
}
#else
static void gdth_do_cmd(Scsi_Cmnd *scp, gdth_cmd_str *gdtcmd,
char *cmnd, int timeout)
{
unsigned bufflen;
DECLARE_COMPLETION(wait);
TRACE2(("gdth_do_cmd()\n"));
if (gdtcmd != NULL) {
scp->SCp.this_residual = IOCTL_PRI;
bufflen = sizeof(gdth_cmd_str);
} else {
scp->SCp.this_residual = DEFAULT_PRI;
bufflen = 0;
}
scp->request.rq_status = RQ_SCSI_BUSY;
scp->request.waiting = &wait;
scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1);
wait_for_completion(&wait);
}
#endif
void gdth_scsi_done(Scsi_Cmnd *scp)
{
TRACE2(("gdth_scsi_done()\n"));
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
scp->request->rq_status = RQ_SCSI_DONE;
if (scp->request->waiting != NULL)
complete(scp->request->waiting);
#else
scp->request.rq_status = RQ_SCSI_DONE;
if (scp->request.waiting != NULL)
complete(scp->request.waiting);
#endif
}
static char *gdth_ioctl_alloc(int hanum, int size, int scratch,
ulong64 *paddr)
{
......@@ -976,11 +805,14 @@ static void gdth_stop_timeout(int hanum, int busnum, int id)
spin_lock_irqsave(&ha->smp_lock, flags);
for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) {
b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel;
t = scp->device->id;
if (t == (unchar)id && b == (unchar)busnum) {
TRACE2(("gdth_stop_timeout(): update_timeout()\n"));
scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0);
if (scp->done != gdth_scsi_done) {
b = virt_ctr ?
NUMDATA(scp->device->host)->busnum : scp->device->channel;
t = scp->device->id;
if (t == (unchar)id && b == (unchar)busnum) {
TRACE2(("gdth_stop_timeout(): update_timeout()\n"));
scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0);
}
}
}
spin_unlock_irqrestore(&ha->smp_lock, flags);
......@@ -997,11 +829,14 @@ static void gdth_start_timeout(int hanum, int busnum, int id)
spin_lock_irqsave(&ha->smp_lock, flags);
for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) {
b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel;
t = scp->device->id;
if (t == (unchar)id && b == (unchar)busnum) {
TRACE2(("gdth_start_timeout(): update_timeout()\n"));
gdth_update_timeout(hanum, scp, scp->SCp.buffers_residual);
if (scp->done != gdth_scsi_done) {
b = virt_ctr ?
NUMDATA(scp->device->host)->busnum : scp->device->channel;
t = scp->device->id;
if (t == (unchar)id && b == (unchar)busnum) {
TRACE2(("gdth_start_timeout(): update_timeout()\n"));
gdth_update_timeout(hanum, scp, scp->SCp.buffers_residual);
}
}
}
spin_unlock_irqrestore(&ha->smp_lock, flags);
......
drivers/scsi/gdth_proc.h
浏览文件 @ cbd5f69b
......@@ -5,20 +5,16 @@
* $Id: gdth_proc.h,v 1.16 2004/01/14 13:09:01 achim Exp $
*/
int gdth_execute(struct Scsi_Host *shost, gdth_cmd_str *gdtcmd, char *cmnd,
int timeout, u32 *info);
static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host,
int hanum,int busnum);
static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
struct Scsi_Host *host,int hanum,int busnum);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static void gdth_do_req(Scsi_Request *srp, gdth_cmd_str *cmd,
char *cmnd, int timeout);
static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Request *scp);
#else
static void gdth_do_cmd(Scsi_Cmnd *scp, gdth_cmd_str *cmd,
char *cmnd, int timeout);
static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp);
#endif
static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer,
int length, int hanum);
static char *gdth_ioctl_alloc(int hanum, int size, int scratch,
ulong64 *paddr);
......@@ -28,7 +24,5 @@ static void gdth_stop_timeout(int hanum, int busnum, int id);
static void gdth_start_timeout(int hanum, int busnum, int id);
static int gdth_update_timeout(int hanum, Scsi_Cmnd *scp, int timeout);
void gdth_scsi_done(Scsi_Cmnd *scp);
#endif
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