#include <linux/vmalloc.h>
#include <linux/moduleparam.h>
#include <linux/scatterlist.h>
-
#include <linux/blkdev.h>
-#include "scsi.h"
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsicam.h>
#include <linux/stat.h>
#include "scsi_logging.h"
-#include "scsi_debug.h"
#define SCSI_DEBUG_VERSION "1.81"
static const char * scsi_debug_version_date = "20070104";
#define SDEBUG_SENSE_LEN 32
+#define SCSI_DEBUG_CANQUEUE 255
+#define SCSI_DEBUG_MAX_CMD_LEN 16
+
struct sdebug_dev_info {
struct list_head dev_list;
unsigned char sense_buff[SDEBUG_SENSE_LEN]; /* weak nexus */
};
static struct sdebug_queued_cmd queued_arr[SCSI_DEBUG_CANQUEUE];
-static struct scsi_host_template sdebug_driver_template = {
- .proc_info = scsi_debug_proc_info,
- .name = "SCSI DEBUG",
- .info = scsi_debug_info,
- .slave_alloc = scsi_debug_slave_alloc,
- .slave_configure = scsi_debug_slave_configure,
- .slave_destroy = scsi_debug_slave_destroy,
- .ioctl = scsi_debug_ioctl,
- .queuecommand = scsi_debug_queuecommand,
- .eh_abort_handler = scsi_debug_abort,
- .eh_bus_reset_handler = scsi_debug_bus_reset,
- .eh_device_reset_handler = scsi_debug_device_reset,
- .eh_host_reset_handler = scsi_debug_host_reset,
- .bios_param = scsi_debug_biosparam,
- .can_queue = SCSI_DEBUG_CANQUEUE,
- .this_id = 7,
- .sg_tablesize = 256,
- .cmd_per_lun = 16,
- .max_sectors = 0xffff,
- .unchecked_isa_dma = 0,
- .use_clustering = DISABLE_CLUSTERING,
- .module = THIS_MODULE,
-};
-
static unsigned char * fake_storep; /* ramdisk storage */
static int num_aborts = 0;
int inj_transport = 0;
int delay_override = 0;
- if (done == NULL)
- return 0; /* assume mid level reprocessing command */
-
scsi_set_resid(SCpnt, 0);
if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
printk(KERN_INFO "scsi_debug: cmd ");
printk("%02x ", (int)cmd[k]);
printk("\n");
}
- if(target == sdebug_driver_template.this_id) {
+
+ if (target == SCpnt->device->host->hostt->this_id) {
printk(KERN_INFO "scsi_debug: initiator's id used as "
"target!\n");
return schedule_resp(SCpnt, NULL, done,
}
/* Returns 0 if ok else (DID_ERROR << 16). Sets scp->resid . */
-static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
+static int fill_from_dev_buffer(struct scsi_cmnd *scp, unsigned char *arr,
int arr_len)
{
- int k, req_len, act_len, len, active;
- void * kaddr;
- void * kaddr_off;
- struct scatterlist *sg;
+ int act_len;
struct scsi_data_buffer *sdb = scsi_in(scp);
if (!sdb->length)
return 0;
- if (!sdb->table.sgl)
- return (DID_ERROR << 16);
if (!(scsi_bidi_cmnd(scp) || scp->sc_data_direction == DMA_FROM_DEVICE))
return (DID_ERROR << 16);
- active = 1;
- req_len = act_len = 0;
- for_each_sg(sdb->table.sgl, sg, sdb->table.nents, k) {
- if (active) {
- kaddr = (unsigned char *)
- kmap_atomic(sg_page(sg), KM_USER0);
- if (NULL == kaddr)
- return (DID_ERROR << 16);
- kaddr_off = (unsigned char *)kaddr + sg->offset;
- len = sg->length;
- if ((req_len + len) > arr_len) {
- active = 0;
- len = arr_len - req_len;
- }
- memcpy(kaddr_off, arr + req_len, len);
- kunmap_atomic(kaddr, KM_USER0);
- act_len += len;
- }
- req_len += sg->length;
- }
+
+ act_len = sg_copy_from_buffer(sdb->table.sgl, sdb->table.nents,
+ arr, arr_len);
if (sdb->resid)
sdb->resid -= act_len;
else
- sdb->resid = req_len - act_len;
+ sdb->resid = scsi_bufflen(scp) - act_len;
+
return 0;
}
/* Returns number of bytes fetched into 'arr' or -1 if error. */
-static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
- int max_arr_len)
+static int fetch_to_dev_buffer(struct scsi_cmnd *scp, unsigned char *arr,
+ int arr_len)
{
- int k, req_len, len, fin;
- void * kaddr;
- void * kaddr_off;
- struct scatterlist * sg;
-
- if (0 == scsi_bufflen(scp))
+ if (!scsi_bufflen(scp))
return 0;
- if (NULL == scsi_sglist(scp))
- return -1;
if (!(scsi_bidi_cmnd(scp) || scp->sc_data_direction == DMA_TO_DEVICE))
return -1;
- req_len = fin = 0;
- scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) {
- kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0);
- if (NULL == kaddr)
- return -1;
- kaddr_off = (unsigned char *)kaddr + sg->offset;
- len = sg->length;
- if ((req_len + len) > max_arr_len) {
- len = max_arr_len - req_len;
- fin = 1;
- }
- memcpy(arr + req_len, kaddr_off, len);
- kunmap_atomic(kaddr, KM_USER0);
- if (fin)
- return req_len + len;
- req_len += sg->length;
- }
- return req_len;
+
+ return scsi_sg_copy_to_buffer(scp, arr, arr_len);
}
if (!buf)
return ret;
- offset = 0;
- scsi_for_each_sg(scp, sg, scsi_sg_count(scp), i) {
- kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0);
- if (!kaddr)
- goto out;
-
- memcpy(buf + offset, kaddr + sg->offset, sg->length);
- offset += sg->length;
- kunmap_atomic(kaddr, KM_USER0);
- }
+ scsi_sg_copy_to_buffer(scp, buf, scsi_bufflen(scp));
offset = 0;
for_each_sg(sdb->table.sgl, sg, sdb->table.nents, i) {
if (devip)
return devip;
- sdbg_host = *(struct sdebug_host_info **) sdev->host->hostdata;
- if(! sdbg_host) {
+ sdbg_host = *(struct sdebug_host_info **)shost_priv(sdev->host);
+ if (!sdbg_host) {
printk(KERN_ERR "Host info NULL\n");
return NULL;
}
printk(KERN_INFO "scsi_debug: bus_reset\n");
++num_bus_resets;
if (SCpnt && ((sdp = SCpnt->device)) && ((hp = sdp->host))) {
- sdbg_host = *(struct sdebug_host_info **) hp->hostdata;
+ sdbg_host = *(struct sdebug_host_info **)shost_priv(hp);
if (sdbg_host) {
list_for_each_entry(dev_info,
&sdbg_host->dev_info_list,
init_all_queued();
- sdebug_driver_template.proc_name = sdebug_proc_name;
-
host_to_add = scsi_debug_add_host;
scsi_debug_add_host = 0;
--scsi_debug_add_host;
}
+static struct scsi_host_template sdebug_driver_template = {
+ .proc_info = scsi_debug_proc_info,
+ .proc_name = sdebug_proc_name,
+ .name = "SCSI DEBUG",
+ .info = scsi_debug_info,
+ .slave_alloc = scsi_debug_slave_alloc,
+ .slave_configure = scsi_debug_slave_configure,
+ .slave_destroy = scsi_debug_slave_destroy,
+ .ioctl = scsi_debug_ioctl,
+ .queuecommand = scsi_debug_queuecommand,
+ .eh_abort_handler = scsi_debug_abort,
+ .eh_bus_reset_handler = scsi_debug_bus_reset,
+ .eh_device_reset_handler = scsi_debug_device_reset,
+ .eh_host_reset_handler = scsi_debug_host_reset,
+ .bios_param = scsi_debug_biosparam,
+ .can_queue = SCSI_DEBUG_CANQUEUE,
+ .this_id = 7,
+ .sg_tablesize = 256,
+ .cmd_per_lun = 16,
+ .max_sectors = 0xffff,
+ .use_clustering = DISABLE_CLUSTERING,
+ .module = THIS_MODULE,
+};
+
static int sdebug_driver_probe(struct device * dev)
{
int error = 0;
projects / linux-2.6-omap-h63xx.git / blobdiff