[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: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
FUJITA Tomonori
James Bottomley
parent
8b40228f3f
commit
639db475c8
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@ -235,56 +235,11 @@ static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
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static unsigned char iec_m_pg[] = {0x1c, 0xa, 0x08, 0, 0, 0, 0, 0,
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0, 0, 0x0, 0x0};
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/* function declarations */
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static int resp_inquiry(struct scsi_cmnd * SCpnt, int target,
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struct sdebug_dev_info * devip);
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static int resp_requests(struct scsi_cmnd * SCpnt,
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struct sdebug_dev_info * devip);
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static int resp_start_stop(struct scsi_cmnd * scp,
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struct sdebug_dev_info * devip);
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static int resp_report_tgtpgs(struct scsi_cmnd * scp,
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struct sdebug_dev_info * devip);
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static int resp_readcap(struct scsi_cmnd * SCpnt,
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struct sdebug_dev_info * devip);
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static int resp_readcap16(struct scsi_cmnd * SCpnt,
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struct sdebug_dev_info * devip);
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static int resp_mode_sense(struct scsi_cmnd * scp, int target,
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struct sdebug_dev_info * devip);
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static int resp_mode_select(struct scsi_cmnd * scp, int mselect6,
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struct sdebug_dev_info * devip);
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static int resp_log_sense(struct scsi_cmnd * scp,
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struct sdebug_dev_info * devip);
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static int resp_read(struct scsi_cmnd * SCpnt, unsigned long long lba,
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unsigned int num, struct sdebug_dev_info * devip);
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static int resp_write(struct scsi_cmnd * SCpnt, unsigned long long lba,
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unsigned int num, struct sdebug_dev_info * devip);
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static int resp_report_luns(struct scsi_cmnd * SCpnt,
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struct sdebug_dev_info * devip);
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static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
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unsigned int num, struct sdebug_dev_info *devip);
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static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
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int arr_len);
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static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
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int max_arr_len);
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static void timer_intr_handler(unsigned long);
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static struct sdebug_dev_info * devInfoReg(struct scsi_device * sdev);
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static void mk_sense_buffer(struct sdebug_dev_info * devip, int key,
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int asc, int asq);
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static int check_readiness(struct scsi_cmnd * SCpnt, int reset_only,
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struct sdebug_dev_info * devip);
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static int schedule_resp(struct scsi_cmnd * cmnd,
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struct sdebug_dev_info * devip,
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done_funct_t done, int scsi_result, int delta_jiff);
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static void __init sdebug_build_parts(unsigned char * ramp);
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static void __init init_all_queued(void);
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static void stop_all_queued(void);
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static int stop_queued_cmnd(struct scsi_cmnd * cmnd);
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static int inquiry_evpd_83(unsigned char * arr, int port_group_id,
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int target_dev_id, int dev_id_num,
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const char * dev_id_str, int dev_id_str_len);
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static int inquiry_evpd_88(unsigned char * arr, int target_dev_id);
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static int do_create_driverfs_files(void);
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static void do_remove_driverfs_files(void);
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static int sdebug_add_adapter(void);
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static void sdebug_remove_adapter(void);
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@ -330,235 +285,6 @@ static void get_data_transfer_info(unsigned char *cmd,
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}
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}
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static
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int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done)
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{
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unsigned char *cmd = (unsigned char *) SCpnt->cmnd;
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int len, k;
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unsigned int num;
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unsigned long long lba;
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int errsts = 0;
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int target = SCpnt->device->id;
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struct sdebug_dev_info * devip = NULL;
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int inj_recovered = 0;
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int inj_transport = 0;
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int delay_override = 0;
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scsi_set_resid(SCpnt, 0);
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if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
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printk(KERN_INFO "scsi_debug: cmd ");
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for (k = 0, len = SCpnt->cmd_len; k < len; ++k)
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printk("%02x ", (int)cmd[k]);
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printk("\n");
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}
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if (target == SCpnt->device->host->hostt->this_id) {
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printk(KERN_INFO "scsi_debug: initiator's id used as "
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"target!\n");
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return schedule_resp(SCpnt, NULL, done,
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DID_NO_CONNECT << 16, 0);
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}
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if ((SCpnt->device->lun >= scsi_debug_max_luns) &&
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(SCpnt->device->lun != SAM2_WLUN_REPORT_LUNS))
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return schedule_resp(SCpnt, NULL, done,
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DID_NO_CONNECT << 16, 0);
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devip = devInfoReg(SCpnt->device);
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if (NULL == devip)
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return schedule_resp(SCpnt, NULL, done,
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DID_NO_CONNECT << 16, 0);
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if ((scsi_debug_every_nth != 0) &&
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(++scsi_debug_cmnd_count >= abs(scsi_debug_every_nth))) {
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scsi_debug_cmnd_count = 0;
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if (scsi_debug_every_nth < -1)
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scsi_debug_every_nth = -1;
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if (SCSI_DEBUG_OPT_TIMEOUT & scsi_debug_opts)
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return 0; /* ignore command causing timeout */
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else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts)
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inj_recovered = 1; /* to reads and writes below */
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else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts)
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inj_transport = 1; /* to reads and writes below */
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}
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if (devip->wlun) {
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switch (*cmd) {
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case INQUIRY:
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case REQUEST_SENSE:
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case TEST_UNIT_READY:
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case REPORT_LUNS:
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break; /* only allowable wlun commands */
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default:
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if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
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printk(KERN_INFO "scsi_debug: Opcode: 0x%x "
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"not supported for wlun\n", *cmd);
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mk_sense_buffer(devip, ILLEGAL_REQUEST,
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INVALID_OPCODE, 0);
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errsts = check_condition_result;
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return schedule_resp(SCpnt, devip, done, errsts,
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0);
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}
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}
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switch (*cmd) {
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case INQUIRY: /* mandatory, ignore unit attention */
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delay_override = 1;
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errsts = resp_inquiry(SCpnt, target, devip);
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break;
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case REQUEST_SENSE: /* mandatory, ignore unit attention */
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delay_override = 1;
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errsts = resp_requests(SCpnt, devip);
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break;
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case REZERO_UNIT: /* actually this is REWIND for SSC */
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case START_STOP:
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errsts = resp_start_stop(SCpnt, devip);
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break;
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case ALLOW_MEDIUM_REMOVAL:
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if ((errsts = check_readiness(SCpnt, 1, devip)))
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break;
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if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
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printk(KERN_INFO "scsi_debug: Medium removal %s\n",
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cmd[4] ? "inhibited" : "enabled");
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break;
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case SEND_DIAGNOSTIC: /* mandatory */
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case TEST_UNIT_READY: /* mandatory */
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delay_override = 1;
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errsts = check_readiness(SCpnt, 0, devip);
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break;
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case RESERVE:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case RESERVE_10:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case RELEASE:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case RELEASE_10:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case READ_CAPACITY:
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errsts = resp_readcap(SCpnt, devip);
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break;
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case SERVICE_ACTION_IN:
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if (SAI_READ_CAPACITY_16 != cmd[1]) {
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mk_sense_buffer(devip, ILLEGAL_REQUEST,
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INVALID_OPCODE, 0);
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errsts = check_condition_result;
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break;
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}
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errsts = resp_readcap16(SCpnt, devip);
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break;
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case MAINTENANCE_IN:
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if (MI_REPORT_TARGET_PGS != cmd[1]) {
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mk_sense_buffer(devip, ILLEGAL_REQUEST,
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INVALID_OPCODE, 0);
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errsts = check_condition_result;
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break;
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}
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errsts = resp_report_tgtpgs(SCpnt, devip);
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break;
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case READ_16:
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case READ_12:
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case READ_10:
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case READ_6:
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if ((errsts = check_readiness(SCpnt, 0, devip)))
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break;
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if (scsi_debug_fake_rw)
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break;
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get_data_transfer_info(cmd, &lba, &num);
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errsts = resp_read(SCpnt, lba, num, devip);
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if (inj_recovered && (0 == errsts)) {
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mk_sense_buffer(devip, RECOVERED_ERROR,
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THRESHOLD_EXCEEDED, 0);
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errsts = check_condition_result;
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} else if (inj_transport && (0 == errsts)) {
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mk_sense_buffer(devip, ABORTED_COMMAND,
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TRANSPORT_PROBLEM, ACK_NAK_TO);
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errsts = check_condition_result;
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}
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break;
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case REPORT_LUNS: /* mandatory, ignore unit attention */
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delay_override = 1;
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errsts = resp_report_luns(SCpnt, devip);
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break;
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case VERIFY: /* 10 byte SBC-2 command */
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errsts = check_readiness(SCpnt, 0, devip);
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break;
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case WRITE_16:
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case WRITE_12:
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case WRITE_10:
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case WRITE_6:
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if ((errsts = check_readiness(SCpnt, 0, devip)))
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break;
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if (scsi_debug_fake_rw)
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break;
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get_data_transfer_info(cmd, &lba, &num);
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errsts = resp_write(SCpnt, lba, num, devip);
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if (inj_recovered && (0 == errsts)) {
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mk_sense_buffer(devip, RECOVERED_ERROR,
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THRESHOLD_EXCEEDED, 0);
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errsts = check_condition_result;
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}
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break;
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case MODE_SENSE:
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case MODE_SENSE_10:
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errsts = resp_mode_sense(SCpnt, target, devip);
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break;
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case MODE_SELECT:
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errsts = resp_mode_select(SCpnt, 1, devip);
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break;
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case MODE_SELECT_10:
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errsts = resp_mode_select(SCpnt, 0, devip);
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break;
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case LOG_SENSE:
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errsts = resp_log_sense(SCpnt, devip);
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break;
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case SYNCHRONIZE_CACHE:
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delay_override = 1;
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errsts = check_readiness(SCpnt, 0, devip);
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break;
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case WRITE_BUFFER:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case XDWRITEREAD_10:
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if (!scsi_bidi_cmnd(SCpnt)) {
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mk_sense_buffer(devip, ILLEGAL_REQUEST,
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INVALID_FIELD_IN_CDB, 0);
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errsts = check_condition_result;
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break;
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}
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errsts = check_readiness(SCpnt, 0, devip);
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if (errsts)
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break;
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if (scsi_debug_fake_rw)
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break;
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get_data_transfer_info(cmd, &lba, &num);
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errsts = resp_read(SCpnt, lba, num, devip);
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if (errsts)
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break;
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errsts = resp_write(SCpnt, lba, num, devip);
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if (errsts)
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break;
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errsts = resp_xdwriteread(SCpnt, lba, num, devip);
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break;
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default:
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if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
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printk(KERN_INFO "scsi_debug: Opcode: 0x%x not "
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"supported\n", *cmd);
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if ((errsts = check_readiness(SCpnt, 1, devip)))
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break; /* Unit attention takes precedence */
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mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_OPCODE, 0);
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errsts = check_condition_result;
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break;
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}
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return schedule_resp(SCpnt, devip, done, errsts,
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(delay_override ? 0 : scsi_debug_delay));
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}
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static int scsi_debug_ioctl(struct scsi_device *dev, int cmd, void __user *arg)
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{
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if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) {
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@ -2999,6 +2725,239 @@ static void sdebug_remove_adapter(void)
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--scsi_debug_add_host;
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}
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static
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int scsi_debug_queuecommand(struct scsi_cmnd *SCpnt, done_funct_t done)
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{
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unsigned char *cmd = (unsigned char *) SCpnt->cmnd;
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int len, k;
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unsigned int num;
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unsigned long long lba;
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int errsts = 0;
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int target = SCpnt->device->id;
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struct sdebug_dev_info *devip = NULL;
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int inj_recovered = 0;
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int inj_transport = 0;
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int delay_override = 0;
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scsi_set_resid(SCpnt, 0);
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if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
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printk(KERN_INFO "scsi_debug: cmd ");
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for (k = 0, len = SCpnt->cmd_len; k < len; ++k)
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printk("%02x ", (int)cmd[k]);
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printk("\n");
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}
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if (target == SCpnt->device->host->hostt->this_id) {
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printk(KERN_INFO "scsi_debug: initiator's id used as "
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"target!\n");
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return schedule_resp(SCpnt, NULL, done,
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DID_NO_CONNECT << 16, 0);
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}
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if ((SCpnt->device->lun >= scsi_debug_max_luns) &&
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(SCpnt->device->lun != SAM2_WLUN_REPORT_LUNS))
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return schedule_resp(SCpnt, NULL, done,
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DID_NO_CONNECT << 16, 0);
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devip = devInfoReg(SCpnt->device);
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if (NULL == devip)
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return schedule_resp(SCpnt, NULL, done,
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DID_NO_CONNECT << 16, 0);
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if ((scsi_debug_every_nth != 0) &&
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(++scsi_debug_cmnd_count >= abs(scsi_debug_every_nth))) {
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scsi_debug_cmnd_count = 0;
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if (scsi_debug_every_nth < -1)
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scsi_debug_every_nth = -1;
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if (SCSI_DEBUG_OPT_TIMEOUT & scsi_debug_opts)
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return 0; /* ignore command causing timeout */
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else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts)
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inj_recovered = 1; /* to reads and writes below */
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else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts)
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inj_transport = 1; /* to reads and writes below */
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}
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if (devip->wlun) {
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switch (*cmd) {
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case INQUIRY:
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case REQUEST_SENSE:
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case TEST_UNIT_READY:
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case REPORT_LUNS:
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break; /* only allowable wlun commands */
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default:
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if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
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printk(KERN_INFO "scsi_debug: Opcode: 0x%x "
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"not supported for wlun\n", *cmd);
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mk_sense_buffer(devip, ILLEGAL_REQUEST,
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INVALID_OPCODE, 0);
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errsts = check_condition_result;
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return schedule_resp(SCpnt, devip, done, errsts,
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0);
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}
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}
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switch (*cmd) {
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case INQUIRY: /* mandatory, ignore unit attention */
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delay_override = 1;
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errsts = resp_inquiry(SCpnt, target, devip);
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break;
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case REQUEST_SENSE: /* mandatory, ignore unit attention */
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delay_override = 1;
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errsts = resp_requests(SCpnt, devip);
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break;
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case REZERO_UNIT: /* actually this is REWIND for SSC */
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case START_STOP:
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errsts = resp_start_stop(SCpnt, devip);
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break;
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case ALLOW_MEDIUM_REMOVAL:
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errsts = check_readiness(SCpnt, 1, devip);
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if (errsts)
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break;
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if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
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printk(KERN_INFO "scsi_debug: Medium removal %s\n",
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cmd[4] ? "inhibited" : "enabled");
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break;
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case SEND_DIAGNOSTIC: /* mandatory */
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case TEST_UNIT_READY: /* mandatory */
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delay_override = 1;
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errsts = check_readiness(SCpnt, 0, devip);
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break;
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case RESERVE:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case RESERVE_10:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case RELEASE:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case RELEASE_10:
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errsts = check_readiness(SCpnt, 1, devip);
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break;
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case READ_CAPACITY:
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errsts = resp_readcap(SCpnt, devip);
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break;
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case SERVICE_ACTION_IN:
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if (SAI_READ_CAPACITY_16 != cmd[1]) {
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mk_sense_buffer(devip, ILLEGAL_REQUEST,
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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,
|
||||
|
|
|
|||
Loading…
Reference in a new issue