[SCSI] zfcp: Rename sbal_curr to sbal_last.
sbal_last is more appropriate, because it matches sbal_first. Signed-off-by: Martin Peschke <mp3@de.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Martin Peschke
James Bottomley
Родитель
d01d51beee
Коммит
e891bffe92
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@ -186,7 +186,7 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
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fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE);
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response->fsf_req_status = fsf_req->status;
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response->sbal_first = fsf_req->sbal_first;
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response->sbal_curr = fsf_req->sbal_curr;
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response->sbal_last = fsf_req->sbal_last;
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response->pool = fsf_req->pool != NULL;
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response->erp_action = (unsigned long)fsf_req->erp_action;
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@ -354,7 +354,7 @@ static void zfcp_hba_dbf_view_response(char **p,
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FSF_STATUS_QUALIFIER_SIZE, 0, FSF_STATUS_QUALIFIER_SIZE);
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zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status);
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zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first);
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zfcp_dbf_out(p, "sbal_curr", "0x%02x", r->sbal_curr);
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zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last);
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zfcp_dbf_out(p, "pool", "0x%02x", r->pool);
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switch (r->fsf_command) {
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@ -97,7 +97,7 @@ struct zfcp_hba_dbf_record_response {
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u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
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u32 fsf_req_status;
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u8 sbal_first;
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u8 sbal_curr;
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u8 sbal_last;
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u8 pool;
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u64 erp_action;
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union {
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@ -851,10 +851,9 @@ struct zfcp_fsf_req {
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struct zfcp_adapter *adapter; /* adapter request belongs to */
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u8 sbal_number; /* nr of SBALs free for use */
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u8 sbal_first; /* first SBAL for this request */
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u8 sbal_last; /* last SBAL for this request */
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u8 sbal_limit; /* last possible SBAL for
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this reuest */
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u8 sbal_curr; /* current SBAL during creation
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of request */
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u8 sbale_curr; /* current SBALE during creation
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of request */
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wait_queue_head_t completion_wq; /* can be used by a routine
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@ -726,7 +726,7 @@ zfcp_fsf_status_read(struct zfcp_adapter *adapter, int req_flags)
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goto failed_req_create;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_STATUS;
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sbale[2].flags |= SBAL_FLAGS_LAST_ENTRY;
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fsf_req->sbale_curr = 2;
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@ -1075,7 +1075,7 @@ zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
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&unit->status)))
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goto unit_blocked;
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -1295,7 +1295,7 @@ zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool,
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goto failed_req;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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if (zfcp_use_one_sbal(ct->req, ct->req_count,
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ct->resp, ct->resp_count)){
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/* both request buffer and response buffer
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@ -1593,7 +1593,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els)
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goto port_blocked;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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if (zfcp_use_one_sbal(els->req, els->req_count,
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els->resp, els->resp_count)){
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/* both request buffer and response buffer
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@ -1657,7 +1657,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els)
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fsf_req->qtcb->bottom.support.timeout = ZFCP_ELS_TIMEOUT;
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fsf_req->data = (unsigned long) els;
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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zfcp_san_dbf_event_els_request(fsf_req);
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@ -1872,7 +1872,7 @@ zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
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return retval;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -1925,7 +1925,7 @@ zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
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return retval;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -2187,7 +2187,7 @@ zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
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return retval;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -2249,7 +2249,7 @@ zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
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if (data)
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fsf_req->data = (unsigned long) data;
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -2359,7 +2359,7 @@ zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
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goto out;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -2591,7 +2591,7 @@ zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
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goto out;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -2720,7 +2720,7 @@ zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
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goto out;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -2915,7 +2915,7 @@ zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
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goto out;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -3230,7 +3230,7 @@ zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
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goto out;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -3613,7 +3613,7 @@ zfcp_fsf_send_fcp_command_task_management(struct zfcp_adapter *adapter,
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fsf_req->qtcb->bottom.io.fcp_cmnd_length =
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sizeof (struct fcp_cmnd_iu) + sizeof (fcp_dl_t);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE;
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sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
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@ -4238,7 +4238,7 @@ zfcp_fsf_control_file(struct zfcp_adapter *adapter,
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goto unlock_queue_lock;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale[0].flags |= direction;
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bottom = &fsf_req->qtcb->bottom.support;
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@ -4590,14 +4590,14 @@ zfcp_fsf_req_create(struct zfcp_adapter *adapter, u32 fsf_cmd, int req_flags,
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}
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fsf_req->sbal_number = 1;
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fsf_req->sbal_first = req_queue->free_index;
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fsf_req->sbal_curr = req_queue->free_index;
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fsf_req->sbal_last = req_queue->free_index;
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fsf_req->sbale_curr = 1;
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if (likely(req_flags & ZFCP_REQ_AUTO_CLEANUP)) {
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fsf_req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
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}
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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/* setup common SBALE fields */
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sbale[0].addr = (void *) fsf_req->req_id;
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@ -415,7 +415,7 @@ zfcp_qdio_sbale_resp(struct zfcp_fsf_req *fsf_req, int sbal, int sbale)
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volatile struct qdio_buffer_element *
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zfcp_qdio_sbale_curr(struct zfcp_fsf_req *fsf_req)
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{
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return zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr,
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return zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last,
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fsf_req->sbale_curr);
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}
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@ -443,7 +443,7 @@ zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals)
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* @fsf_req: zfcp_fsf_req to be processed
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* @sbtype: SBAL flags which have to be set in first SBALE of new SBAL
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*
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* This function changes sbal_curr, sbale_curr, sbal_number of fsf_req.
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* This function changes sbal_last, sbale_curr, sbal_number of fsf_req.
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*/
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static volatile struct qdio_buffer_element *
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zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
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@ -455,16 +455,16 @@ zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
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sbale->flags |= SBAL_FLAGS_LAST_ENTRY;
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/* don't exceed last allowed SBAL */
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if (fsf_req->sbal_curr == fsf_req->sbal_limit)
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if (fsf_req->sbal_last == fsf_req->sbal_limit)
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return NULL;
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/* set chaining flag in first SBALE of current SBAL */
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale->flags |= SBAL_FLAGS0_MORE_SBALS;
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/* calculate index of next SBAL */
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fsf_req->sbal_curr++;
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fsf_req->sbal_curr %= QDIO_MAX_BUFFERS_PER_Q;
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fsf_req->sbal_last++;
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fsf_req->sbal_last %= QDIO_MAX_BUFFERS_PER_Q;
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/* keep this requests number of SBALs up-to-date */
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fsf_req->sbal_number++;
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@ -523,7 +523,7 @@ static inline int
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zfcp_qdio_sbals_wipe(struct zfcp_fsf_req *fsf_req)
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{
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return zfcp_qdio_sbals_zero(&fsf_req->adapter->request_queue,
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fsf_req->sbal_first, fsf_req->sbal_curr);
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fsf_req->sbal_first, fsf_req->sbal_last);
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}
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@ -601,7 +601,7 @@ zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
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zfcp_qdio_sbal_limit(fsf_req, max_sbals);
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/* set storage-block type for current SBAL */
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
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sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
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sbale->flags |= sbtype;
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/* process all segements of scatter-gather list */
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