[SCSI] zfcp: Move sbale handling to zfcp_qdio files
Move the code accessing the qdio sbales and zfcp_qdio_req struct to the zfcp_qdio files and provide helper functions for accessing the qdio related parts. Reviewed-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Родитель
683229845f
Коммит
1674b40547
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@ -44,23 +44,6 @@ struct zfcp_reqlist;
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/********************* SCSI SPECIFIC DEFINES *********************************/
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#define ZFCP_SCSI_ER_TIMEOUT (10*HZ)
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/********************* CIO/QDIO SPECIFIC DEFINES *****************************/
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/* DMQ bug workaround: don't use last SBALE */
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#define ZFCP_MAX_SBALES_PER_SBAL (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
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/* index of last SBALE (with respect to DMQ bug workaround) */
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#define ZFCP_LAST_SBALE_PER_SBAL (ZFCP_MAX_SBALES_PER_SBAL - 1)
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/* max. number of (data buffer) SBALEs in largest SBAL chain */
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#define ZFCP_MAX_SBALES_PER_REQ \
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(FSF_MAX_SBALS_PER_REQ * ZFCP_MAX_SBALES_PER_SBAL - 2)
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/* request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */
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#define ZFCP_MAX_SECTORS (ZFCP_MAX_SBALES_PER_REQ * 8)
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/* max. number of (data buffer) SBALEs in largest SBAL chain
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multiplied with number of sectors per 4k block */
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/********************* FSF SPECIFIC DEFINES *********************************/
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/* ATTENTION: value must not be used by hardware */
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@ -3,7 +3,7 @@
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*
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* External function declarations.
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*
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* Copyright IBM Corporation 2002, 2009
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* Copyright IBM Corporation 2002, 2010
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*/
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#ifndef ZFCP_EXT_H
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@ -144,8 +144,7 @@ extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
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extern int zfcp_qdio_setup(struct zfcp_adapter *);
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extern void zfcp_qdio_destroy(struct zfcp_qdio *);
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extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
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extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *,
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struct zfcp_qdio_req *, unsigned long,
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extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
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struct scatterlist *, int);
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extern int zfcp_qdio_open(struct zfcp_qdio *);
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extern void zfcp_qdio_close(struct zfcp_qdio *);
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@ -705,10 +705,9 @@ static struct fsf_qtcb *zfcp_qtcb_alloc(mempool_t *pool)
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}
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static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
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u32 fsf_cmd, mempool_t *pool)
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u32 fsf_cmd, u32 sbtype,
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mempool_t *pool)
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{
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struct qdio_buffer_element *sbale;
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struct zfcp_qdio_queue *req_q = &qdio->req_q;
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struct zfcp_adapter *adapter = qdio->adapter;
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struct zfcp_fsf_req *req = zfcp_fsf_alloc(pool);
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@ -725,14 +724,6 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
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req->adapter = adapter;
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req->fsf_command = fsf_cmd;
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req->req_id = adapter->req_no;
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req->qdio_req.sbal_number = 1;
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req->qdio_req.sbal_first = req_q->first;
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req->qdio_req.sbal_last = req_q->first;
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req->qdio_req.sbale_curr = 1;
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sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
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sbale[0].addr = (void *) req->req_id;
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sbale[0].flags |= SBAL_FLAGS0_COMMAND;
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if (likely(fsf_cmd != FSF_QTCB_UNSOLICITED_STATUS)) {
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if (likely(pool))
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@ -753,10 +744,11 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
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req->qtcb->prefix.qtcb_version = FSF_QTCB_CURRENT_VERSION;
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req->qtcb->header.req_handle = req->req_id;
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req->qtcb->header.fsf_command = req->fsf_command;
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sbale[1].addr = (void *) req->qtcb;
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sbale[1].length = sizeof(struct fsf_qtcb);
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}
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zfcp_qdio_req_init(adapter->qdio, &req->qdio_req, req->req_id, sbtype,
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req->qtcb, sizeof(struct fsf_qtcb));
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if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) {
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zfcp_fsf_req_free(req);
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return ERR_PTR(-EIO);
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@ -803,24 +795,19 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
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struct zfcp_adapter *adapter = qdio->adapter;
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struct zfcp_fsf_req *req;
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struct fsf_status_read_buffer *sr_buf;
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struct qdio_buffer_element *sbale;
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int retval = -EIO;
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spin_lock_bh(&qdio->req_q_lock);
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if (zfcp_fsf_req_sbal_get(qdio))
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goto out;
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS,
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS, 0,
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adapter->pool.status_read_req);
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if (IS_ERR(req)) {
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retval = PTR_ERR(req);
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goto out;
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}
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sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
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sbale[2].flags |= SBAL_FLAGS_LAST_ENTRY;
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req->qdio_req.sbale_curr = 2;
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sr_buf = mempool_alloc(adapter->pool.status_read_data, GFP_ATOMIC);
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if (!sr_buf) {
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retval = -ENOMEM;
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@ -828,9 +815,9 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
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}
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memset(sr_buf, 0, sizeof(*sr_buf));
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req->data = sr_buf;
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sbale = zfcp_qdio_sbale_curr(qdio, &req->qdio_req);
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sbale->addr = (void *) sr_buf;
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sbale->length = sizeof(*sr_buf);
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zfcp_qdio_fill_next(qdio, &req->qdio_req, sr_buf, sizeof(*sr_buf));
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zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
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retval = zfcp_fsf_req_send(req);
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if (retval)
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@ -907,7 +894,6 @@ static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req)
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struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
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struct zfcp_unit *unit)
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{
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struct qdio_buffer_element *sbale;
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struct zfcp_fsf_req *req = NULL;
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struct zfcp_qdio *qdio = unit->port->adapter->qdio;
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@ -915,6 +901,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
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if (zfcp_fsf_req_sbal_get(qdio))
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goto out;
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_ABORT_FCP_CMND,
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SBAL_FLAGS0_TYPE_READ,
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qdio->adapter->pool.scsi_abort);
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if (IS_ERR(req)) {
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req = NULL;
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@ -925,9 +912,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
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ZFCP_STATUS_COMMON_UNBLOCKED)))
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goto out_error_free;
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sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
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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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zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
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req->data = unit;
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req->handler = zfcp_fsf_abort_fcp_command_handler;
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@ -996,21 +981,14 @@ skip_fsfstatus:
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ct->handler(ct->handler_data);
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}
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static void zfcp_fsf_setup_ct_els_unchained(struct qdio_buffer_element *sbale,
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static void zfcp_fsf_setup_ct_els_unchained(struct zfcp_qdio *qdio,
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struct zfcp_qdio_req *q_req,
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struct scatterlist *sg_req,
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struct scatterlist *sg_resp)
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{
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sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE_READ;
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sbale[2].addr = sg_virt(sg_req);
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sbale[2].length = sg_req->length;
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sbale[3].addr = sg_virt(sg_resp);
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sbale[3].length = sg_resp->length;
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sbale[3].flags |= SBAL_FLAGS_LAST_ENTRY;
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}
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static int zfcp_fsf_one_sbal(struct scatterlist *sg)
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{
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return sg_is_last(sg) && sg->length <= PAGE_SIZE;
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zfcp_qdio_fill_next(qdio, q_req, sg_virt(sg_req), sg_req->length);
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zfcp_qdio_fill_next(qdio, q_req, sg_virt(sg_resp), sg_resp->length);
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zfcp_qdio_set_sbale_last(qdio, q_req);
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}
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static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
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@ -1019,35 +997,34 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
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int max_sbals)
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{
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struct zfcp_adapter *adapter = req->adapter;
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struct qdio_buffer_element *sbale = zfcp_qdio_sbale_req(adapter->qdio,
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&req->qdio_req);
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u32 feat = adapter->adapter_features;
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int bytes;
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if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) {
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if (!zfcp_fsf_one_sbal(sg_req) || !zfcp_fsf_one_sbal(sg_resp))
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if (!zfcp_qdio_sg_one_sbale(sg_req) ||
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!zfcp_qdio_sg_one_sbale(sg_resp))
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return -EOPNOTSUPP;
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zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
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zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req,
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sg_req, sg_resp);
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return 0;
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}
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/* use single, unchained SBAL if it can hold the request */
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if (zfcp_fsf_one_sbal(sg_req) && zfcp_fsf_one_sbal(sg_resp)) {
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zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
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if (zfcp_qdio_sg_one_sbale(sg_req) || zfcp_qdio_sg_one_sbale(sg_resp)) {
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zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req,
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sg_req, sg_resp);
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return 0;
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}
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bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req,
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SBAL_FLAGS0_TYPE_WRITE_READ,
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sg_req, max_sbals);
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if (bytes <= 0)
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return -EIO;
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req->qtcb->bottom.support.req_buf_length = bytes;
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req->qdio_req.sbale_curr = ZFCP_LAST_SBALE_PER_SBAL;
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zfcp_qdio_skip_to_last_sbale(&req->qdio_req);
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bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req,
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SBAL_FLAGS0_TYPE_WRITE_READ,
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sg_resp, max_sbals);
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req->qtcb->bottom.support.resp_buf_length = bytes;
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if (bytes <= 0)
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@ -1094,7 +1071,8 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
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if (zfcp_fsf_req_sbal_get(qdio))
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goto out;
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC, pool);
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC,
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SBAL_FLAGS0_TYPE_WRITE_READ, pool);
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if (IS_ERR(req)) {
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ret = PTR_ERR(req);
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@ -1103,7 +1081,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
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req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
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ret = zfcp_fsf_setup_ct_els(req, ct->req, ct->resp,
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FSF_MAX_SBALS_PER_REQ, timeout);
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ZFCP_FSF_MAX_SBALS_PER_REQ, timeout);
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if (ret)
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goto failed_send;
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@ -1190,7 +1168,8 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
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if (zfcp_fsf_req_sbal_get(qdio))
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goto out;
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS, NULL);
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS,
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SBAL_FLAGS0_TYPE_WRITE_READ, NULL);
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if (IS_ERR(req)) {
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ret = PTR_ERR(req);
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@ -1224,7 +1203,6 @@ out:
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int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
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{
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struct qdio_buffer_element *sbale;
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struct zfcp_fsf_req *req;
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struct zfcp_qdio *qdio = erp_action->adapter->qdio;
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int retval = -EIO;
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@ -1234,6 +1212,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
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goto out;
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
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SBAL_FLAGS0_TYPE_READ,
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qdio->adapter->pool.erp_req);
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if (IS_ERR(req)) {
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@ -1242,9 +1221,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
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}
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req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
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sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
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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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zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
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req->qtcb->bottom.config.feature_selection =
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FSF_FEATURE_CFDC |
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@ -1269,7 +1246,6 @@ out:
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int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
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struct fsf_qtcb_bottom_config *data)
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{
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struct qdio_buffer_element *sbale;
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struct zfcp_fsf_req *req = NULL;
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int retval = -EIO;
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@ -1277,16 +1253,15 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
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if (zfcp_fsf_req_sbal_get(qdio))
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goto out_unlock;
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA, NULL);
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
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SBAL_FLAGS0_TYPE_READ, NULL);
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if (IS_ERR(req)) {
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retval = PTR_ERR(req);
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goto out_unlock;
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}
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sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
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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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zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
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req->handler = zfcp_fsf_exchange_config_data_handler;
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req->qtcb->bottom.config.feature_selection =
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@ -1320,7 +1295,6 @@ out_unlock:
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int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
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{
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struct zfcp_qdio *qdio = erp_action->adapter->qdio;
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struct qdio_buffer_element *sbale;
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struct zfcp_fsf_req *req;
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int retval = -EIO;
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|
@ -1332,6 +1306,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
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goto out;
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req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
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SBAL_FLAGS0_TYPE_READ,
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qdio->adapter->pool.erp_req);
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|
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if (IS_ERR(req)) {
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|
@ -1340,9 +1315,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
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}
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req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
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sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
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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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zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
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req->handler = zfcp_fsf_exchange_port_data_handler;
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req->erp_action = erp_action;
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|
@ -1368,7 +1341,6 @@ out:
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int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
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struct fsf_qtcb_bottom_port *data)
|
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{
|
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struct qdio_buffer_element *sbale;
|
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struct zfcp_fsf_req *req = NULL;
|
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int retval = -EIO;
|
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|
||||
|
@ -1379,7 +1351,8 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
|
|||
if (zfcp_fsf_req_sbal_get(qdio))
|
||||
goto out_unlock;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA, NULL);
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
|
||||
SBAL_FLAGS0_TYPE_READ, NULL);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
retval = PTR_ERR(req);
|
||||
|
@ -1389,9 +1362,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
|
|||
if (data)
|
||||
req->data = data;
|
||||
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->handler = zfcp_fsf_exchange_port_data_handler;
|
||||
zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
|
||||
|
@ -1485,7 +1456,6 @@ out:
|
|||
*/
|
||||
int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
|
||||
struct zfcp_port *port = erp_action->port;
|
||||
struct zfcp_fsf_req *req;
|
||||
|
@ -1496,6 +1466,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
|
||||
SBAL_FLAGS0_TYPE_READ,
|
||||
qdio->adapter->pool.erp_req);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
|
@ -1504,9 +1475,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->handler = zfcp_fsf_open_port_handler;
|
||||
hton24(req->qtcb->bottom.support.d_id, port->d_id);
|
||||
|
@ -1556,7 +1525,6 @@ static void zfcp_fsf_close_port_handler(struct zfcp_fsf_req *req)
|
|||
*/
|
||||
int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
|
||||
struct zfcp_fsf_req *req;
|
||||
int retval = -EIO;
|
||||
|
@ -1566,6 +1534,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
|
||||
SBAL_FLAGS0_TYPE_READ,
|
||||
qdio->adapter->pool.erp_req);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
|
@ -1574,9 +1543,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->handler = zfcp_fsf_close_port_handler;
|
||||
req->data = erp_action->port;
|
||||
|
@ -1633,7 +1600,6 @@ out:
|
|||
*/
|
||||
int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_qdio *qdio = wka_port->adapter->qdio;
|
||||
struct zfcp_fsf_req *req;
|
||||
int retval = -EIO;
|
||||
|
@ -1643,6 +1609,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
|
||||
SBAL_FLAGS0_TYPE_READ,
|
||||
qdio->adapter->pool.erp_req);
|
||||
|
||||
if (unlikely(IS_ERR(req))) {
|
||||
|
@ -1651,9 +1618,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->handler = zfcp_fsf_open_wka_port_handler;
|
||||
hton24(req->qtcb->bottom.support.d_id, wka_port->d_id);
|
||||
|
@ -1688,7 +1653,6 @@ static void zfcp_fsf_close_wka_port_handler(struct zfcp_fsf_req *req)
|
|||
*/
|
||||
int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_qdio *qdio = wka_port->adapter->qdio;
|
||||
struct zfcp_fsf_req *req;
|
||||
int retval = -EIO;
|
||||
|
@ -1698,6 +1662,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
|
||||
SBAL_FLAGS0_TYPE_READ,
|
||||
qdio->adapter->pool.erp_req);
|
||||
|
||||
if (unlikely(IS_ERR(req))) {
|
||||
|
@ -1706,9 +1671,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->handler = zfcp_fsf_close_wka_port_handler;
|
||||
req->data = wka_port;
|
||||
|
@ -1782,7 +1745,6 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req)
|
|||
*/
|
||||
int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
|
||||
struct zfcp_fsf_req *req;
|
||||
int retval = -EIO;
|
||||
|
@ -1792,6 +1754,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PHYSICAL_PORT,
|
||||
SBAL_FLAGS0_TYPE_READ,
|
||||
qdio->adapter->pool.erp_req);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
|
@ -1800,9 +1763,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->data = erp_action->port;
|
||||
req->qtcb->header.port_handle = erp_action->port->handle;
|
||||
|
@ -1954,7 +1915,6 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
|
|||
*/
|
||||
int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_adapter *adapter = erp_action->adapter;
|
||||
struct zfcp_qdio *qdio = adapter->qdio;
|
||||
struct zfcp_fsf_req *req;
|
||||
|
@ -1965,6 +1925,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_LUN,
|
||||
SBAL_FLAGS0_TYPE_READ,
|
||||
adapter->pool.erp_req);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
|
@ -1973,9 +1934,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->qtcb->header.port_handle = erp_action->port->handle;
|
||||
req->qtcb->bottom.support.fcp_lun = erp_action->unit->fcp_lun;
|
||||
|
@ -2041,7 +2000,6 @@ static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req)
|
|||
*/
|
||||
int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
|
||||
struct zfcp_fsf_req *req;
|
||||
int retval = -EIO;
|
||||
|
@ -2051,6 +2009,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_LUN,
|
||||
SBAL_FLAGS0_TYPE_READ,
|
||||
qdio->adapter->pool.erp_req);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
|
@ -2059,9 +2018,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
req->qtcb->header.port_handle = erp_action->port->handle;
|
||||
req->qtcb->header.lun_handle = erp_action->unit->handle;
|
||||
|
@ -2289,8 +2246,11 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
|
|||
goto out;
|
||||
}
|
||||
|
||||
if (scsi_cmnd->sc_data_direction == DMA_TO_DEVICE)
|
||||
sbtype = SBAL_FLAGS0_TYPE_WRITE;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
|
||||
adapter->pool.scsi_req);
|
||||
sbtype, adapter->pool.scsi_req);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
retval = PTR_ERR(req);
|
||||
|
@ -2298,7 +2258,6 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
|
|||
}
|
||||
|
||||
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
|
||||
get_device(&unit->dev);
|
||||
req->unit = unit;
|
||||
req->data = scsi_cmnd;
|
||||
req->handler = zfcp_fsf_send_fcp_command_handler;
|
||||
|
@ -2323,20 +2282,21 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
|
|||
break;
|
||||
case DMA_TO_DEVICE:
|
||||
req->qtcb->bottom.io.data_direction = FSF_DATADIR_WRITE;
|
||||
sbtype = SBAL_FLAGS0_TYPE_WRITE;
|
||||
break;
|
||||
case DMA_BIDIRECTIONAL:
|
||||
goto failed_scsi_cmnd;
|
||||
}
|
||||
|
||||
get_device(&unit->dev);
|
||||
|
||||
fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
|
||||
zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd);
|
||||
|
||||
real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sbtype,
|
||||
real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req,
|
||||
scsi_sglist(scsi_cmnd),
|
||||
FSF_MAX_SBALS_PER_REQ);
|
||||
ZFCP_FSF_MAX_SBALS_PER_REQ);
|
||||
if (unlikely(real_bytes < 0)) {
|
||||
if (req->qdio_req.sbal_number >= FSF_MAX_SBALS_PER_REQ) {
|
||||
if (req->qdio_req.sbal_number >= ZFCP_FSF_MAX_SBALS_PER_REQ) {
|
||||
dev_err(&adapter->ccw_device->dev,
|
||||
"Oversize data package, unit 0x%016Lx "
|
||||
"on port 0x%016Lx closed\n",
|
||||
|
@ -2371,7 +2331,6 @@ out:
|
|||
*/
|
||||
struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_fsf_req *req = NULL;
|
||||
struct fcp_cmnd *fcp_cmnd;
|
||||
struct zfcp_qdio *qdio = unit->port->adapter->qdio;
|
||||
|
@ -2385,6 +2344,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
|
|||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
|
||||
SBAL_FLAGS0_TYPE_WRITE,
|
||||
qdio->adapter->pool.scsi_req);
|
||||
|
||||
if (IS_ERR(req)) {
|
||||
|
@ -2401,9 +2361,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
|
|||
req->qtcb->bottom.io.service_class = FSF_CLASS_3;
|
||||
req->qtcb->bottom.io.fcp_cmnd_length = FCP_CMND_LEN;
|
||||
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE;
|
||||
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
|
||||
|
||||
fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
|
||||
zfcp_fc_fcp_tm(fcp_cmnd, unit->device, tm_flags);
|
||||
|
@ -2432,7 +2390,6 @@ static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req)
|
|||
struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
|
||||
struct zfcp_fsf_cfdc *fsf_cfdc)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
struct zfcp_qdio *qdio = adapter->qdio;
|
||||
struct zfcp_fsf_req *req = NULL;
|
||||
struct fsf_qtcb_bottom_support *bottom;
|
||||
|
@ -2456,7 +2413,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
|
|||
if (zfcp_fsf_req_sbal_get(qdio))
|
||||
goto out;
|
||||
|
||||
req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, NULL);
|
||||
req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, direction, NULL);
|
||||
if (IS_ERR(req)) {
|
||||
retval = -EPERM;
|
||||
goto out;
|
||||
|
@ -2464,16 +2421,13 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
|
|||
|
||||
req->handler = zfcp_fsf_control_file_handler;
|
||||
|
||||
sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
|
||||
sbale[0].flags |= direction;
|
||||
|
||||
bottom = &req->qtcb->bottom.support;
|
||||
bottom->operation_subtype = FSF_CFDC_OPERATION_SUBTYPE;
|
||||
bottom->option = fsf_cfdc->option;
|
||||
|
||||
bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req,
|
||||
direction, fsf_cfdc->sg,
|
||||
FSF_MAX_SBALS_PER_REQ);
|
||||
fsf_cfdc->sg,
|
||||
ZFCP_FSF_MAX_SBALS_PER_REQ);
|
||||
if (bytes != ZFCP_CFDC_MAX_SIZE) {
|
||||
zfcp_fsf_req_free(req);
|
||||
goto out;
|
||||
|
|
|
@ -3,7 +3,7 @@
|
|||
*
|
||||
* Interface to the FSF support functions.
|
||||
*
|
||||
* Copyright IBM Corporation 2002, 2009
|
||||
* Copyright IBM Corporation 2002, 2010
|
||||
*/
|
||||
|
||||
#ifndef FSF_H
|
||||
|
@ -152,7 +152,12 @@
|
|||
#define FSF_CLASS_3 0x00000003
|
||||
|
||||
/* SBAL chaining */
|
||||
#define FSF_MAX_SBALS_PER_REQ 36
|
||||
#define ZFCP_FSF_MAX_SBALS_PER_REQ 36
|
||||
|
||||
/* max. number of (data buffer) SBALEs in largest SBAL chain
|
||||
* request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */
|
||||
#define ZFCP_FSF_MAX_SBALES_PER_REQ \
|
||||
(ZFCP_FSF_MAX_SBALS_PER_REQ * ZFCP_QDIO_MAX_SBALES_PER_SBAL - 2)
|
||||
|
||||
/* logging space behind QTCB */
|
||||
#define FSF_QTCB_LOG_SIZE 1024
|
||||
|
|
|
@ -3,7 +3,7 @@
|
|||
*
|
||||
* Setup and helper functions to access QDIO.
|
||||
*
|
||||
* Copyright IBM Corporation 2002, 2009
|
||||
* Copyright IBM Corporation 2002, 2010
|
||||
*/
|
||||
|
||||
#define KMSG_COMPONENT "zfcp"
|
||||
|
@ -151,8 +151,7 @@ static void zfcp_qdio_sbal_limit(struct zfcp_qdio *qdio,
|
|||
}
|
||||
|
||||
static struct qdio_buffer_element *
|
||||
zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
|
||||
unsigned long sbtype)
|
||||
zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
|
||||
|
@ -180,17 +179,16 @@ zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
|
|||
|
||||
/* set storage-block type for new SBAL */
|
||||
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
|
||||
sbale->flags |= sbtype;
|
||||
sbale->flags |= q_req->sbtype;
|
||||
|
||||
return sbale;
|
||||
}
|
||||
|
||||
static struct qdio_buffer_element *
|
||||
zfcp_qdio_sbale_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
|
||||
unsigned int sbtype)
|
||||
zfcp_qdio_sbale_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req)
|
||||
{
|
||||
if (q_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL)
|
||||
return zfcp_qdio_sbal_chain(qdio, q_req, sbtype);
|
||||
if (q_req->sbale_curr == ZFCP_QDIO_LAST_SBALE_PER_SBAL)
|
||||
return zfcp_qdio_sbal_chain(qdio, q_req);
|
||||
q_req->sbale_curr++;
|
||||
return zfcp_qdio_sbale_curr(qdio, q_req);
|
||||
}
|
||||
|
@ -208,15 +206,14 @@ static void zfcp_qdio_undo_sbals(struct zfcp_qdio *qdio,
|
|||
|
||||
/**
|
||||
* zfcp_qdio_sbals_from_sg - fill SBALs from scatter-gather list
|
||||
* @fsf_req: request to be processed
|
||||
* @sbtype: SBALE flags
|
||||
* @qdio: pointer to struct zfcp_qdio
|
||||
* @q_req: pointer to struct zfcp_qdio_req
|
||||
* @sg: scatter-gather list
|
||||
* @max_sbals: upper bound for number of SBALs to be used
|
||||
* Returns: number of bytes, or error (negativ)
|
||||
*/
|
||||
int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
|
||||
unsigned long sbtype, struct scatterlist *sg,
|
||||
int max_sbals)
|
||||
struct scatterlist *sg, int max_sbals)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
int bytes = 0;
|
||||
|
@ -226,10 +223,10 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
|
|||
|
||||
/* set storage-block type for this request */
|
||||
sbale = zfcp_qdio_sbale_req(qdio, q_req);
|
||||
sbale->flags |= sbtype;
|
||||
sbale->flags |= q_req->sbtype;
|
||||
|
||||
for (; sg; sg = sg_next(sg)) {
|
||||
sbale = zfcp_qdio_sbale_next(qdio, q_req, sbtype);
|
||||
sbale = zfcp_qdio_sbale_next(qdio, q_req);
|
||||
if (!sbale) {
|
||||
atomic_inc(&qdio->req_q_full);
|
||||
zfcp_qdio_undo_sbals(qdio, q_req);
|
||||
|
|
|
@ -13,6 +13,12 @@
|
|||
|
||||
#define ZFCP_QDIO_SBALE_LEN PAGE_SIZE
|
||||
|
||||
/* DMQ bug workaround: don't use last SBALE */
|
||||
#define ZFCP_QDIO_MAX_SBALES_PER_SBAL (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
|
||||
|
||||
/* index of last SBALE (with respect to DMQ bug workaround) */
|
||||
#define ZFCP_QDIO_LAST_SBALE_PER_SBAL (ZFCP_QDIO_MAX_SBALES_PER_SBAL - 1)
|
||||
|
||||
/**
|
||||
* struct zfcp_qdio_queue - qdio queue buffer, zfcp index and free count
|
||||
* @sbal: qdio buffers
|
||||
|
@ -51,6 +57,7 @@ struct zfcp_qdio {
|
|||
|
||||
/**
|
||||
* struct zfcp_qdio_req - qdio queue related values for a request
|
||||
* @sbtype: sbal type flags for sbale 0
|
||||
* @sbal_number: number of free sbals
|
||||
* @sbal_first: first sbal for this request
|
||||
* @sbal_last: last sbal for this request
|
||||
|
@ -61,6 +68,7 @@ struct zfcp_qdio {
|
|||
* @qdio_inb_usage: usage of inbound queue
|
||||
*/
|
||||
struct zfcp_qdio_req {
|
||||
u32 sbtype;
|
||||
u8 sbal_number;
|
||||
u8 sbal_first;
|
||||
u8 sbal_last;
|
||||
|
@ -108,4 +116,98 @@ zfcp_qdio_sbale_curr(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req)
|
|||
q_req->sbale_curr);
|
||||
}
|
||||
|
||||
/**
|
||||
* zfcp_qdio_req_init - initialize qdio request
|
||||
* @qdio: request queue where to start putting the request
|
||||
* @q_req: the qdio request to start
|
||||
* @req_id: The request id
|
||||
* @sbtype: type flags to set for all sbals
|
||||
* @data: First data block
|
||||
* @len: Length of first data block
|
||||
*
|
||||
* This is the start of putting the request into the queue, the last
|
||||
* step is passing the request to zfcp_qdio_send. The request queue
|
||||
* lock must be held during the whole process from init to send.
|
||||
*/
|
||||
static inline
|
||||
void zfcp_qdio_req_init(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
|
||||
unsigned long req_id, u32 sbtype, void *data, u32 len)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
|
||||
q_req->sbal_first = q_req->sbal_last = qdio->req_q.first;
|
||||
q_req->sbal_number = 1;
|
||||
q_req->sbtype = sbtype;
|
||||
|
||||
sbale = zfcp_qdio_sbale_req(qdio, q_req);
|
||||
sbale->addr = (void *) req_id;
|
||||
sbale->flags |= SBAL_FLAGS0_COMMAND;
|
||||
sbale->flags |= sbtype;
|
||||
|
||||
q_req->sbale_curr = 1;
|
||||
sbale++;
|
||||
sbale->addr = data;
|
||||
if (likely(data))
|
||||
sbale->length = len;
|
||||
}
|
||||
|
||||
/**
|
||||
* zfcp_qdio_fill_next - Fill next sbale, only for single sbal requests
|
||||
* @qdio: pointer to struct zfcp_qdio
|
||||
* @q_req: pointer to struct zfcp_queue_req
|
||||
*
|
||||
* This is only required for single sbal requests, calling it when
|
||||
* wrapping around to the next sbal is a bug.
|
||||
*/
|
||||
static inline
|
||||
void zfcp_qdio_fill_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
|
||||
void *data, u32 len)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
|
||||
BUG_ON(q_req->sbale_curr == ZFCP_QDIO_LAST_SBALE_PER_SBAL);
|
||||
q_req->sbale_curr++;
|
||||
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
|
||||
sbale->addr = data;
|
||||
sbale->length = len;
|
||||
}
|
||||
|
||||
/**
|
||||
* zfcp_qdio_set_sbale_last - set last entry flag in current sbale
|
||||
* @qdio: pointer to struct zfcp_qdio
|
||||
* @q_req: pointer to struct zfcp_queue_req
|
||||
*/
|
||||
static inline
|
||||
void zfcp_qdio_set_sbale_last(struct zfcp_qdio *qdio,
|
||||
struct zfcp_qdio_req *q_req)
|
||||
{
|
||||
struct qdio_buffer_element *sbale;
|
||||
|
||||
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
|
||||
sbale->flags |= SBAL_FLAGS_LAST_ENTRY;
|
||||
}
|
||||
|
||||
/**
|
||||
* zfcp_qdio_sg_one_sbal - check if one sbale is enough for sg data
|
||||
* @sg: The scatterlist where to check the data size
|
||||
*
|
||||
* Returns: 1 when one sbale is enough for the data in the scatterlist,
|
||||
* 0 if not.
|
||||
*/
|
||||
static inline
|
||||
int zfcp_qdio_sg_one_sbale(struct scatterlist *sg)
|
||||
{
|
||||
return sg_is_last(sg) && sg->length <= ZFCP_QDIO_SBALE_LEN;
|
||||
}
|
||||
|
||||
/**
|
||||
* zfcp_qdio_skip_to_last_sbale - skip to last sbale in sbal
|
||||
* @q_req: The current zfcp_qdio_req
|
||||
*/
|
||||
static inline
|
||||
void zfcp_qdio_skip_to_last_sbale(struct zfcp_qdio_req *q_req)
|
||||
{
|
||||
q_req->sbale_curr = ZFCP_QDIO_LAST_SBALE_PER_SBAL;
|
||||
}
|
||||
|
||||
#endif /* ZFCP_QDIO_H */
|
||||
|
|
|
@ -677,11 +677,11 @@ struct zfcp_data zfcp_data = {
|
|||
.eh_host_reset_handler = zfcp_scsi_eh_host_reset_handler,
|
||||
.can_queue = 4096,
|
||||
.this_id = -1,
|
||||
.sg_tablesize = ZFCP_MAX_SBALES_PER_REQ,
|
||||
.sg_tablesize = ZFCP_FSF_MAX_SBALES_PER_REQ,
|
||||
.cmd_per_lun = 1,
|
||||
.use_clustering = 1,
|
||||
.sdev_attrs = zfcp_sysfs_sdev_attrs,
|
||||
.max_sectors = (ZFCP_MAX_SBALES_PER_REQ * 8),
|
||||
.max_sectors = (ZFCP_FSF_MAX_SBALES_PER_REQ * 8),
|
||||
.dma_boundary = ZFCP_QDIO_SBALE_LEN - 1,
|
||||
.shost_attrs = zfcp_sysfs_shost_attrs,
|
||||
},
|
||||
|
|
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