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raspberrypi-kernel
提交 639db475 编写于 作者: F FUJITA Tomonori 提交者： James Bottomley
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[SCSI] scsi_debug: remove unnecessary function declarations 

This patch removes lots of function declarations with moving
scsi_debug_queuecommand. This cleans up scsi_debug_queuecommand a bit
to silence checkpatch.pl
Signed-off-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: NDouglas Gilbert <dougg@torque.net>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
上级 8b40228f
隐藏空白更改
内联 并排
Showing with 233 addition and 274 deletion
drivers/scsi/scsi_debug.c
浏览文件 @ 639db475
......@@ -235,56 +235,11 @@ static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
static unsigned char iec_m_pg[] = {0x1c, 0xa, 0x08, 0, 0, 0, 0, 0,
0, 0, 0x0, 0x0};
/* function declarations */
static int resp_inquiry(struct scsi_cmnd * SCpnt, int target,
struct sdebug_dev_info * devip);
static int resp_requests(struct scsi_cmnd * SCpnt,
struct sdebug_dev_info * devip);
static int resp_start_stop(struct scsi_cmnd * scp,
struct sdebug_dev_info * devip);
static int resp_report_tgtpgs(struct scsi_cmnd * scp,
struct sdebug_dev_info * devip);
static int resp_readcap(struct scsi_cmnd * SCpnt,
struct sdebug_dev_info * devip);
static int resp_readcap16(struct scsi_cmnd * SCpnt,
struct sdebug_dev_info * devip);
static int resp_mode_sense(struct scsi_cmnd * scp, int target,
struct sdebug_dev_info * devip);
static int resp_mode_select(struct scsi_cmnd * scp, int mselect6,
struct sdebug_dev_info * devip);
static int resp_log_sense(struct scsi_cmnd * scp,
struct sdebug_dev_info * devip);
static int resp_read(struct scsi_cmnd * SCpnt, unsigned long long lba,
unsigned int num, struct sdebug_dev_info * devip);
static int resp_write(struct scsi_cmnd * SCpnt, unsigned long long lba,
unsigned int num, struct sdebug_dev_info * devip);
static int resp_report_luns(struct scsi_cmnd * SCpnt,
struct sdebug_dev_info * devip);
static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
unsigned int num, struct sdebug_dev_info *devip);
static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
int arr_len);
static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
int max_arr_len);
static void timer_intr_handler(unsigned long);
static struct sdebug_dev_info * devInfoReg(struct scsi_device * sdev);
static void mk_sense_buffer(struct sdebug_dev_info * devip, int key,
int asc, int asq);
static int check_readiness(struct scsi_cmnd * SCpnt, int reset_only,
struct sdebug_dev_info * devip);
static int schedule_resp(struct scsi_cmnd * cmnd,
struct sdebug_dev_info * devip,
done_funct_t done, int scsi_result, int delta_jiff);
static void __init sdebug_build_parts(unsigned char * ramp);
static void __init init_all_queued(void);
static void stop_all_queued(void);
static int stop_queued_cmnd(struct scsi_cmnd * cmnd);
static int inquiry_evpd_83(unsigned char * arr, int port_group_id,
int target_dev_id, int dev_id_num,
const char * dev_id_str, int dev_id_str_len);
static int inquiry_evpd_88(unsigned char * arr, int target_dev_id);
static int do_create_driverfs_files(void);
static void do_remove_driverfs_files(void);
static int sdebug_add_adapter(void);
static void sdebug_remove_adapter(void);
......@@ -330,235 +285,6 @@ static void get_data_transfer_info(unsigned char *cmd,
}
}
static
int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done)
{
unsigned char *cmd = (unsigned char *) SCpnt->cmnd;
int len, k;
unsigned int num;
unsigned long long lba;
int errsts = 0;
int target = SCpnt->device->id;
struct sdebug_dev_info * devip = NULL;
int inj_recovered = 0;
int inj_transport = 0;
int delay_override = 0;
scsi_set_resid(SCpnt, 0);
if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
printk(KERN_INFO "scsi_debug: cmd ");
for (k = 0, len = SCpnt->cmd_len; k < len; ++k)
printk("%02x ", (int)cmd[k]);
printk("\n");
}
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,
DID_NO_CONNECT << 16, 0);
}
if ((SCpnt->device->lun >= scsi_debug_max_luns) &&
(SCpnt->device->lun != SAM2_WLUN_REPORT_LUNS))
return schedule_resp(SCpnt, NULL, done,
DID_NO_CONNECT << 16, 0);
devip = devInfoReg(SCpnt->device);
if (NULL == devip)
return schedule_resp(SCpnt, NULL, done,
DID_NO_CONNECT << 16, 0);
if ((scsi_debug_every_nth != 0) &&
(++scsi_debug_cmnd_count >= abs(scsi_debug_every_nth))) {
scsi_debug_cmnd_count = 0;
if (scsi_debug_every_nth < -1)
scsi_debug_every_nth = -1;
if (SCSI_DEBUG_OPT_TIMEOUT & scsi_debug_opts)
return 0; /* ignore command causing timeout */
else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts)
inj_recovered = 1; /* to reads and writes below */
else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts)
inj_transport = 1; /* to reads and writes below */
}
if (devip->wlun) {
switch (*cmd) {
case INQUIRY:
case REQUEST_SENSE:
case TEST_UNIT_READY:
case REPORT_LUNS:
break; /* only allowable wlun commands */
default:
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
printk(KERN_INFO "scsi_debug: Opcode: 0x%x "
"not supported for wlun\n", *cmd);
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_OPCODE, 0);
errsts = check_condition_result;
return schedule_resp(SCpnt, devip, done, errsts,
0);
}
}
switch (*cmd) {
case INQUIRY: /* mandatory, ignore unit attention */
delay_override = 1;
errsts = resp_inquiry(SCpnt, target, devip);
break;
case REQUEST_SENSE: /* mandatory, ignore unit attention */
delay_override = 1;
errsts = resp_requests(SCpnt, devip);
break;
case REZERO_UNIT: /* actually this is REWIND for SSC */
case START_STOP:
errsts = resp_start_stop(SCpnt, devip);
break;
case ALLOW_MEDIUM_REMOVAL:
if ((errsts = check_readiness(SCpnt, 1, devip)))
break;
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
printk(KERN_INFO "scsi_debug: Medium removal %s\n",
cmd[4] ? "inhibited" : "enabled");
break;
case SEND_DIAGNOSTIC: /* mandatory */
errsts = check_readiness(SCpnt, 1, devip);
break;
case TEST_UNIT_READY: /* mandatory */
delay_override = 1;
errsts = check_readiness(SCpnt, 0, devip);
break;
case RESERVE:
errsts = check_readiness(SCpnt, 1, devip);
break;
case RESERVE_10:
errsts = check_readiness(SCpnt, 1, devip);
break;
case RELEASE:
errsts = check_readiness(SCpnt, 1, devip);
break;
case RELEASE_10:
errsts = check_readiness(SCpnt, 1, devip);
break;
case READ_CAPACITY:
errsts = resp_readcap(SCpnt, devip);
break;
case SERVICE_ACTION_IN:
if (SAI_READ_CAPACITY_16 != cmd[1]) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_OPCODE, 0);
errsts = check_condition_result;
break;
}
errsts = resp_readcap16(SCpnt, devip);
break;
case MAINTENANCE_IN:
if (MI_REPORT_TARGET_PGS != cmd[1]) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_OPCODE, 0);
errsts = check_condition_result;
break;
}
errsts = resp_report_tgtpgs(SCpnt, devip);
break;
case READ_16:
case READ_12:
case READ_10:
case READ_6:
if ((errsts = check_readiness(SCpnt, 0, devip)))
break;
if (scsi_debug_fake_rw)
break;
get_data_transfer_info(cmd, &lba, &num);
errsts = resp_read(SCpnt, lba, num, devip);
if (inj_recovered && (0 == errsts)) {
mk_sense_buffer(devip, RECOVERED_ERROR,
THRESHOLD_EXCEEDED, 0);
errsts = check_condition_result;
} else if (inj_transport && (0 == errsts)) {
mk_sense_buffer(devip, ABORTED_COMMAND,
TRANSPORT_PROBLEM, ACK_NAK_TO);
errsts = check_condition_result;
}
break;
case REPORT_LUNS: /* mandatory, ignore unit attention */
delay_override = 1;
errsts = resp_report_luns(SCpnt, devip);
break;
case VERIFY: /* 10 byte SBC-2 command */
errsts = check_readiness(SCpnt, 0, devip);
break;
case WRITE_16:
case WRITE_12:
case WRITE_10:
case WRITE_6:
if ((errsts = check_readiness(SCpnt, 0, devip)))
break;
if (scsi_debug_fake_rw)
break;
get_data_transfer_info(cmd, &lba, &num);
errsts = resp_write(SCpnt, lba, num, devip);
if (inj_recovered && (0 == errsts)) {
mk_sense_buffer(devip, RECOVERED_ERROR,
THRESHOLD_EXCEEDED, 0);
errsts = check_condition_result;
}
break;
case MODE_SENSE:
case MODE_SENSE_10:
errsts = resp_mode_sense(SCpnt, target, devip);
break;
case MODE_SELECT:
errsts = resp_mode_select(SCpnt, 1, devip);
break;
case MODE_SELECT_10:
errsts = resp_mode_select(SCpnt, 0, devip);
break;
case LOG_SENSE:
errsts = resp_log_sense(SCpnt, devip);
break;
case SYNCHRONIZE_CACHE:
delay_override = 1;
errsts = check_readiness(SCpnt, 0, devip);
break;
case WRITE_BUFFER:
errsts = check_readiness(SCpnt, 1, devip);
break;
case XDWRITEREAD_10:
if (!scsi_bidi_cmnd(SCpnt)) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_FIELD_IN_CDB, 0);
errsts = check_condition_result;
break;
}
errsts = check_readiness(SCpnt, 0, devip);
if (errsts)
break;
if (scsi_debug_fake_rw)
break;
get_data_transfer_info(cmd, &lba, &num);
errsts = resp_read(SCpnt, lba, num, devip);
if (errsts)
break;
errsts = resp_write(SCpnt, lba, num, devip);
if (errsts)
break;
errsts = resp_xdwriteread(SCpnt, lba, num, devip);
break;
default:
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
printk(KERN_INFO "scsi_debug: Opcode: 0x%x not "
"supported\n", *cmd);
if ((errsts = check_readiness(SCpnt, 1, devip)))
break; /* Unit attention takes precedence */
mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_OPCODE, 0);
errsts = check_condition_result;
break;
}
return schedule_resp(SCpnt, devip, done, errsts,
(delay_override ? 0 : scsi_debug_delay));
}
static int scsi_debug_ioctl(struct scsi_device *dev, int cmd, void __user *arg)
{
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) {
......@@ -2999,6 +2725,239 @@ static void sdebug_remove_adapter(void)
--scsi_debug_add_host;
}
static
int scsi_debug_queuecommand(struct scsi_cmnd *SCpnt, done_funct_t done)
{
unsigned char *cmd = (unsigned char *) SCpnt->cmnd;
int len, k;
unsigned int num;
unsigned long long lba;
int errsts = 0;
int target = SCpnt->device->id;
struct sdebug_dev_info *devip = NULL;
int inj_recovered = 0;
int inj_transport = 0;
int delay_override = 0;
scsi_set_resid(SCpnt, 0);
if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
printk(KERN_INFO "scsi_debug: cmd ");
for (k = 0, len = SCpnt->cmd_len; k < len; ++k)
printk("%02x ", (int)cmd[k]);
printk("\n");
}
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,
DID_NO_CONNECT << 16, 0);
}
if ((SCpnt->device->lun >= scsi_debug_max_luns) &&
(SCpnt->device->lun != SAM2_WLUN_REPORT_LUNS))
return schedule_resp(SCpnt, NULL, done,
DID_NO_CONNECT << 16, 0);
devip = devInfoReg(SCpnt->device);
if (NULL == devip)
return schedule_resp(SCpnt, NULL, done,
DID_NO_CONNECT << 16, 0);
if ((scsi_debug_every_nth != 0) &&
(++scsi_debug_cmnd_count >= abs(scsi_debug_every_nth))) {
scsi_debug_cmnd_count = 0;
if (scsi_debug_every_nth < -1)
scsi_debug_every_nth = -1;
if (SCSI_DEBUG_OPT_TIMEOUT & scsi_debug_opts)
return 0; /* ignore command causing timeout */
else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts)
inj_recovered = 1; /* to reads and writes below */
else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts)
inj_transport = 1; /* to reads and writes below */
}
if (devip->wlun) {
switch (*cmd) {
case INQUIRY:
case REQUEST_SENSE:
case TEST_UNIT_READY:
case REPORT_LUNS:
break; /* only allowable wlun commands */
default:
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
printk(KERN_INFO "scsi_debug: Opcode: 0x%x "
"not supported for wlun\n", *cmd);
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_OPCODE, 0);
errsts = check_condition_result;
return schedule_resp(SCpnt, devip, done, errsts,
0);
}
}
switch (*cmd) {
case INQUIRY: /* mandatory, ignore unit attention */
delay_override = 1;
errsts = resp_inquiry(SCpnt, target, devip);
break;
case REQUEST_SENSE: /* mandatory, ignore unit attention */
delay_override = 1;
errsts = resp_requests(SCpnt, devip);
break;
case REZERO_UNIT: /* actually this is REWIND for SSC */
case START_STOP:
errsts = resp_start_stop(SCpnt, devip);
break;
case ALLOW_MEDIUM_REMOVAL:
errsts = check_readiness(SCpnt, 1, devip);
if (errsts)
break;
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
printk(KERN_INFO "scsi_debug: Medium removal %s\n",
cmd[4] ? "inhibited" : "enabled");
break;
case SEND_DIAGNOSTIC: /* mandatory */
errsts = check_readiness(SCpnt, 1, devip);
break;
case TEST_UNIT_READY: /* mandatory */
delay_override = 1;
errsts = check_readiness(SCpnt, 0, devip);
break;
case RESERVE:
errsts = check_readiness(SCpnt, 1, devip);
break;
case RESERVE_10:
errsts = check_readiness(SCpnt, 1, devip);
break;
case RELEASE:
errsts = check_readiness(SCpnt, 1, devip);
break;
case RELEASE_10:
errsts = check_readiness(SCpnt, 1, devip);
break;
case READ_CAPACITY:
errsts = resp_readcap(SCpnt, devip);
break;
case SERVICE_ACTION_IN:
if (SAI_READ_CAPACITY_16 != cmd[1]) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_OPCODE, 0);
errsts = check_condition_result;
break;
}
errsts = resp_readcap16(SCpnt, devip);
break;
case MAINTENANCE_IN:
if (MI_REPORT_TARGET_PGS != cmd[1]) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_OPCODE, 0);
errsts = check_condition_result;
break;
}
errsts = resp_report_tgtpgs(SCpnt, devip);
break;
case READ_16:
case READ_12:
case READ_10:
case READ_6:
errsts = check_readiness(SCpnt, 0, devip);
if (errsts)
break;
if (scsi_debug_fake_rw)
break;
get_data_transfer_info(cmd, &lba, &num);
errsts = resp_read(SCpnt, lba, num, devip);
if (inj_recovered && (0 == errsts)) {
mk_sense_buffer(devip, RECOVERED_ERROR,
THRESHOLD_EXCEEDED, 0);
errsts = check_condition_result;
} else if (inj_transport && (0 == errsts)) {
mk_sense_buffer(devip, ABORTED_COMMAND,
TRANSPORT_PROBLEM, ACK_NAK_TO);
errsts = check_condition_result;
}
break;
case REPORT_LUNS: /* mandatory, ignore unit attention */
delay_override = 1;
errsts = resp_report_luns(SCpnt, devip);
break;
case VERIFY: /* 10 byte SBC-2 command */
errsts = check_readiness(SCpnt, 0, devip);
break;
case WRITE_16:
case WRITE_12:
case WRITE_10:
case WRITE_6:
errsts = check_readiness(SCpnt, 0, devip);
if (errsts)
break;
if (scsi_debug_fake_rw)
break;
get_data_transfer_info(cmd, &lba, &num);
errsts = resp_write(SCpnt, lba, num, devip);
if (inj_recovered && (0 == errsts)) {
mk_sense_buffer(devip, RECOVERED_ERROR,
THRESHOLD_EXCEEDED, 0);
errsts = check_condition_result;
}
break;
case MODE_SENSE:
case MODE_SENSE_10:
errsts = resp_mode_sense(SCpnt, target, devip);
break;
case MODE_SELECT:
errsts = resp_mode_select(SCpnt, 1, devip);
break;
case MODE_SELECT_10:
errsts = resp_mode_select(SCpnt, 0, devip);
break;
case LOG_SENSE:
errsts = resp_log_sense(SCpnt, devip);
break;
case SYNCHRONIZE_CACHE:
delay_override = 1;
errsts = check_readiness(SCpnt, 0, devip);
break;
case WRITE_BUFFER:
errsts = check_readiness(SCpnt, 1, devip);
break;
case XDWRITEREAD_10:
if (!scsi_bidi_cmnd(SCpnt)) {
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_FIELD_IN_CDB, 0);
errsts = check_condition_result;
break;
}
errsts = check_readiness(SCpnt, 0, devip);
if (errsts)
break;
if (scsi_debug_fake_rw)
break;
get_data_transfer_info(cmd, &lba, &num);
errsts = resp_read(SCpnt, lba, num, devip);
if (errsts)
break;
errsts = resp_write(SCpnt, lba, num, devip);
if (errsts)
break;
errsts = resp_xdwriteread(SCpnt, lba, num, devip);
break;
default:
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
printk(KERN_INFO "scsi_debug: Opcode: 0x%x not "
"supported\n", *cmd);
errsts = check_readiness(SCpnt, 1, devip);
if (errsts)
break; /* Unit attention takes precedence */
mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_OPCODE, 0);
errsts = check_condition_result;
break;
}
return schedule_resp(SCpnt, devip, done, errsts,
(delay_override ? 0 : scsi_debug_delay));
}
static struct scsi_host_template sdebug_driver_template = {
.proc_info = scsi_debug_proc_info,
.proc_name = sdebug_proc_name,
......
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