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path: root/drivers/target/tcm_fc/tfc_cmd.c
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Diffstat (limited to 'drivers/target/tcm_fc/tfc_cmd.c')
-rw-r--r--drivers/target/tcm_fc/tfc_cmd.c147
1 files changed, 45 insertions, 102 deletions
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 9e7e26c74c79..62dec9715ce5 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -59,9 +59,6 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller)
se_cmd = &cmd->se_cmd;
pr_debug("%s: cmd %p sess %p seq %p se_cmd %p\n",
caller, cmd, cmd->sess, cmd->seq, se_cmd);
- pr_debug("%s: cmd %p cdb %p\n",
- caller, cmd, cmd->cdb);
- pr_debug("%s: cmd %p lun %d\n", caller, cmd, cmd->lun);
pr_debug("%s: cmd %p data_nents %u len %u se_cmd_flags <0x%x>\n",
caller, cmd, se_cmd->t_data_nents,
@@ -81,8 +78,6 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller)
caller, cmd, ep->sid, ep->did, ep->oxid, ep->rxid,
sp->id, ep->esb_stat);
}
- print_hex_dump(KERN_INFO, "ft_dump_cmd ", DUMP_PREFIX_NONE,
- 16, 4, cmd->cdb, MAX_COMMAND_SIZE, 0);
}
static void ft_free_cmd(struct ft_cmd *cmd)
@@ -249,11 +244,6 @@ int ft_get_cmd_state(struct se_cmd *se_cmd)
return 0;
}
-int ft_is_state_remove(struct se_cmd *se_cmd)
-{
- return 0; /* XXX TBD */
-}
-
/*
* FC sequence response handler for follow-on sequences (data) and aborts.
*/
@@ -325,10 +315,12 @@ static void ft_send_resp_status(struct fc_lport *lport,
fc_fill_reply_hdr(fp, rx_fp, FC_RCTL_DD_CMD_STATUS, 0);
sp = fr_seq(fp);
- if (sp)
+ if (sp) {
lport->tt.seq_send(lport, sp, fp);
- else
+ lport->tt.exch_done(sp);
+ } else {
lport->tt.frame_send(lport, fp);
+ }
}
/*
@@ -358,16 +350,10 @@ static void ft_send_resp_code_and_free(struct ft_cmd *cmd,
*/
static void ft_send_tm(struct ft_cmd *cmd)
{
- struct se_tmr_req *tmr;
struct fcp_cmnd *fcp;
- struct ft_sess *sess;
+ int rc;
u8 tm_func;
- transport_init_se_cmd(&cmd->se_cmd, &ft_configfs->tf_ops,
- cmd->sess->se_sess, 0, DMA_NONE, 0,
- &cmd->ft_sense_buffer[0]);
- target_get_sess_cmd(cmd->sess->se_sess, &cmd->se_cmd, false);
-
fcp = fc_frame_payload_get(cmd->req_frame, sizeof(*fcp));
switch (fcp->fc_tm_flags) {
@@ -396,44 +382,12 @@ static void ft_send_tm(struct ft_cmd *cmd)
return;
}
- pr_debug("alloc tm cmd fn %d\n", tm_func);
- tmr = core_tmr_alloc_req(&cmd->se_cmd, cmd, tm_func, GFP_KERNEL);
- if (!tmr) {
- pr_debug("alloc failed\n");
+ /* FIXME: Add referenced task tag for ABORT_TASK */
+ rc = target_submit_tmr(&cmd->se_cmd, cmd->sess->se_sess,
+ &cmd->ft_sense_buffer[0], scsilun_to_int(&fcp->fc_lun),
+ cmd, tm_func, GFP_KERNEL, 0, 0);
+ if (rc < 0)
ft_send_resp_code_and_free(cmd, FCP_TMF_FAILED);
- return;
- }
- cmd->se_cmd.se_tmr_req = tmr;
-
- switch (fcp->fc_tm_flags) {
- case FCP_TMF_LUN_RESET:
- cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
- if (transport_lookup_tmr_lun(&cmd->se_cmd, cmd->lun) < 0) {
- /*
- * Make sure to clean up newly allocated TMR request
- * since "unable to handle TMR request because failed
- * to get to LUN"
- */
- pr_debug("Failed to get LUN for TMR func %d, "
- "se_cmd %p, unpacked_lun %d\n",
- tm_func, &cmd->se_cmd, cmd->lun);
- ft_dump_cmd(cmd, __func__);
- sess = cmd->sess;
- transport_send_check_condition_and_sense(&cmd->se_cmd,
- cmd->se_cmd.scsi_sense_reason, 0);
- ft_sess_put(sess);
- return;
- }
- break;
- case FCP_TMF_TGT_RESET:
- case FCP_TMF_CLR_TASK_SET:
- case FCP_TMF_ABT_TASK_SET:
- case FCP_TMF_CLR_ACA:
- break;
- default:
- return;
- }
- transport_generic_handle_tmr(&cmd->se_cmd);
}
/*
@@ -538,7 +492,6 @@ static void ft_send_work(struct work_struct *work)
struct fc_frame_header *fh = fc_frame_header_get(cmd->req_frame);
struct fcp_cmnd *fcp;
int data_dir = 0;
- u32 data_len;
int task_attr;
fcp = fc_frame_payload_get(cmd->req_frame, sizeof(*fcp));
@@ -548,47 +501,6 @@ static void ft_send_work(struct work_struct *work)
if (fcp->fc_flags & FCP_CFL_LEN_MASK)
goto err; /* not handling longer CDBs yet */
- if (fcp->fc_tm_flags) {
- task_attr = FCP_PTA_SIMPLE;
- data_dir = DMA_NONE;
- data_len = 0;
- } else {
- switch (fcp->fc_flags & (FCP_CFL_RDDATA | FCP_CFL_WRDATA)) {
- case 0:
- data_dir = DMA_NONE;
- break;
- case FCP_CFL_RDDATA:
- data_dir = DMA_FROM_DEVICE;
- break;
- case FCP_CFL_WRDATA:
- data_dir = DMA_TO_DEVICE;
- break;
- case FCP_CFL_WRDATA | FCP_CFL_RDDATA:
- goto err; /* TBD not supported by tcm_fc yet */
- }
- /*
- * Locate the SAM Task Attr from fc_pri_ta
- */
- switch (fcp->fc_pri_ta & FCP_PTA_MASK) {
- case FCP_PTA_HEADQ:
- task_attr = MSG_HEAD_TAG;
- break;
- case FCP_PTA_ORDERED:
- task_attr = MSG_ORDERED_TAG;
- break;
- case FCP_PTA_ACA:
- task_attr = MSG_ACA_TAG;
- break;
- case FCP_PTA_SIMPLE: /* Fallthrough */
- default:
- task_attr = MSG_SIMPLE_TAG;
- }
-
-
- task_attr = fcp->fc_pri_ta & FCP_PTA_MASK;
- data_len = ntohl(fcp->fc_dl);
- cmd->cdb = fcp->fc_cdb;
- }
/*
* Check for FCP task management flags
*/
@@ -596,15 +508,46 @@ static void ft_send_work(struct work_struct *work)
ft_send_tm(cmd);
return;
}
+
+ switch (fcp->fc_flags & (FCP_CFL_RDDATA | FCP_CFL_WRDATA)) {
+ case 0:
+ data_dir = DMA_NONE;
+ break;
+ case FCP_CFL_RDDATA:
+ data_dir = DMA_FROM_DEVICE;
+ break;
+ case FCP_CFL_WRDATA:
+ data_dir = DMA_TO_DEVICE;
+ break;
+ case FCP_CFL_WRDATA | FCP_CFL_RDDATA:
+ goto err; /* TBD not supported by tcm_fc yet */
+ }
+ /*
+ * Locate the SAM Task Attr from fc_pri_ta
+ */
+ switch (fcp->fc_pri_ta & FCP_PTA_MASK) {
+ case FCP_PTA_HEADQ:
+ task_attr = MSG_HEAD_TAG;
+ break;
+ case FCP_PTA_ORDERED:
+ task_attr = MSG_ORDERED_TAG;
+ break;
+ case FCP_PTA_ACA:
+ task_attr = MSG_ACA_TAG;
+ break;
+ case FCP_PTA_SIMPLE: /* Fallthrough */
+ default:
+ task_attr = MSG_SIMPLE_TAG;
+ }
+
fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
- cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
/*
* Use a single se_cmd->cmd_kref as we expect to release se_cmd
* directly from ft_check_stop_free callback in response path.
*/
- target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb,
- &cmd->ft_sense_buffer[0], cmd->lun, data_len,
- task_attr, data_dir, 0);
+ target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, fcp->fc_cdb,
+ &cmd->ft_sense_buffer[0], scsilun_to_int(&fcp->fc_lun),
+ ntohl(fcp->fc_dl), task_attr, data_dir, 0);
pr_debug("r_ctl %x alloc target_submit_cmd\n", fh->fh_r_ctl);
return;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 08:54:25 +0000