diff options
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 56 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.h | 7 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 46 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 12 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fc.c | 253 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fc.h | 7 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 28 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.h | 18 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 18 |
9 files changed, 160 insertions, 285 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 517f196..8445095 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -179,7 +179,6 @@ void _zfcp_dbf_hba_fsf_response(const char *tag2, int level, case FSF_QTCB_SEND_ELS: send_els = (struct zfcp_send_els *)fsf_req->data; response->u.els.d_id = ntoh24(qtcb->bottom.support.d_id); - response->u.els.ls_code = send_els->ls_code >> 24; break; case FSF_QTCB_ABORT_FCP_CMND: @@ -349,7 +348,6 @@ static void zfcp_dbf_hba_view_response(char **p, case FSF_QTCB_SEND_ELS: zfcp_dbf_out(p, "d_id", "0x%06x", r->u.els.d_id); - zfcp_dbf_out(p, "ls_code", "0x%02x", r->u.els.ls_code); break; case FSF_QTCB_ABORT_FCP_CMND: @@ -678,12 +676,12 @@ void zfcp_dbf_rec_action(char *id2, struct zfcp_erp_action *erp_action) /** * zfcp_dbf_san_ct_request - trace event for issued CT request * @fsf_req: request containing issued CT data + * @d_id: destination id where ct request is sent to */ -void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *fsf_req, u32 d_id) { - struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; - struct zfcp_fc_wka_port *wka_port = ct->wka_port; - struct zfcp_adapter *adapter = wka_port->adapter; + struct zfcp_fsf_ct_els *ct = (struct zfcp_fsf_ct_els *)fsf_req->data; + struct zfcp_adapter *adapter = fsf_req->adapter; struct zfcp_dbf *dbf = adapter->dbf; struct fc_ct_hdr *hdr = sg_virt(ct->req); struct zfcp_dbf_san_record *r = &dbf->san_buf; @@ -696,8 +694,7 @@ void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *fsf_req) strncpy(r->tag, "octc", ZFCP_DBF_TAG_SIZE); r->fsf_reqid = fsf_req->req_id; r->fsf_seqno = fsf_req->seq_no; - r->s_id = fc_host_port_id(adapter->scsi_host); - r->d_id = wka_port->d_id; + oct->d_id = d_id; oct->cmd_req_code = hdr->ct_cmd; oct->revision = hdr->ct_rev; oct->gs_type = hdr->ct_fs_type; @@ -718,9 +715,8 @@ void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *fsf_req) */ void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *fsf_req) { - struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; - struct zfcp_fc_wka_port *wka_port = ct->wka_port; - struct zfcp_adapter *adapter = wka_port->adapter; + struct zfcp_fsf_ct_els *ct = (struct zfcp_fsf_ct_els *)fsf_req->data; + struct zfcp_adapter *adapter = fsf_req->adapter; struct fc_ct_hdr *hdr = sg_virt(ct->resp); struct zfcp_dbf *dbf = adapter->dbf; struct zfcp_dbf_san_record *r = &dbf->san_buf; @@ -733,8 +729,6 @@ void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *fsf_req) strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE); r->fsf_reqid = fsf_req->req_id; r->fsf_seqno = fsf_req->seq_no; - r->s_id = wka_port->d_id; - r->d_id = fc_host_port_id(adapter->scsi_host); rct->cmd_rsp_code = hdr->ct_cmd; rct->revision = hdr->ct_rev; rct->reason_code = hdr->ct_reason; @@ -750,8 +744,8 @@ void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *fsf_req) } static void zfcp_dbf_san_els(const char *tag, int level, - struct zfcp_fsf_req *fsf_req, u32 s_id, u32 d_id, - u8 ls_code, void *buffer, int buflen) + struct zfcp_fsf_req *fsf_req, u32 d_id, + void *buffer, int buflen) { struct zfcp_adapter *adapter = fsf_req->adapter; struct zfcp_dbf *dbf = adapter->dbf; @@ -763,9 +757,7 @@ static void zfcp_dbf_san_els(const char *tag, int level, strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE); rec->fsf_reqid = fsf_req->req_id; rec->fsf_seqno = fsf_req->seq_no; - rec->s_id = s_id; - rec->d_id = d_id; - rec->u.els.ls_code = ls_code; + rec->u.els.d_id = d_id; debug_event(dbf->san, level, rec, sizeof(*rec)); zfcp_dbf_hexdump(dbf->san, rec, sizeof(*rec), level, buffer, min(buflen, ZFCP_DBF_SAN_MAX_PAYLOAD)); @@ -778,12 +770,11 @@ static void zfcp_dbf_san_els(const char *tag, int level, */ void zfcp_dbf_san_els_request(struct zfcp_fsf_req *fsf_req) { - struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; + struct zfcp_fsf_ct_els *els = (struct zfcp_fsf_ct_els *)fsf_req->data; + u32 d_id = ntoh24(fsf_req->qtcb->bottom.support.d_id); - zfcp_dbf_san_els("oels", 2, fsf_req, - fc_host_port_id(els->adapter->scsi_host), - els->d_id, *(u8 *) sg_virt(els->req), - sg_virt(els->req), els->req->length); + zfcp_dbf_san_els("oels", 2, fsf_req, d_id, + sg_virt(els->req), els->req->length); } /** @@ -792,12 +783,11 @@ void zfcp_dbf_san_els_request(struct zfcp_fsf_req *fsf_req) */ void zfcp_dbf_san_els_response(struct zfcp_fsf_req *fsf_req) { - struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; + struct zfcp_fsf_ct_els *els = (struct zfcp_fsf_ct_els *)fsf_req->data; + u32 d_id = ntoh24(fsf_req->qtcb->bottom.support.d_id); - zfcp_dbf_san_els("rels", 2, fsf_req, els->d_id, - fc_host_port_id(els->adapter->scsi_host), - *(u8 *)sg_virt(els->req), sg_virt(els->resp), - els->resp->length); + zfcp_dbf_san_els("rels", 2, fsf_req, d_id, + sg_virt(els->resp), els->resp->length); } /** @@ -806,16 +796,13 @@ void zfcp_dbf_san_els_response(struct zfcp_fsf_req *fsf_req) */ void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *fsf_req) { - struct zfcp_adapter *adapter = fsf_req->adapter; struct fsf_status_read_buffer *buf = (struct fsf_status_read_buffer *)fsf_req->data; int length = (int)buf->length - (int)((void *)&buf->payload - (void *)buf); zfcp_dbf_san_els("iels", 1, fsf_req, ntoh24(buf->d_id), - fc_host_port_id(adapter->scsi_host), - buf->payload.data[0], (void *)buf->payload.data, - length); + (void *)buf->payload.data, length); } static int zfcp_dbf_san_view_format(debug_info_t *id, struct debug_view *view, @@ -830,11 +817,10 @@ static int zfcp_dbf_san_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_tag(&p, "tag", r->tag); zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid); zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno); - zfcp_dbf_out(&p, "s_id", "0x%06x", r->s_id); - zfcp_dbf_out(&p, "d_id", "0x%06x", r->d_id); if (strncmp(r->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) { struct zfcp_dbf_san_record_ct_request *ct = &r->u.ct_req; + zfcp_dbf_out(&p, "d_id", "0x%06x", ct->d_id); zfcp_dbf_out(&p, "cmd_req_code", "0x%04x", ct->cmd_req_code); zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision); zfcp_dbf_out(&p, "gs_type", "0x%02x", ct->gs_type); @@ -853,7 +839,7 @@ static int zfcp_dbf_san_view_format(debug_info_t *id, struct debug_view *view, strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 || strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) { struct zfcp_dbf_san_record_els *els = &r->u.els; - zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code); + zfcp_dbf_out(&p, "d_id", "0x%06x", els->d_id); } return p - out_buf; } diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index c3e2570..8b7fd9a 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -123,7 +123,6 @@ struct zfcp_dbf_hba_record_response { } unit; struct { u32 d_id; - u8 ls_code; } els; } u; } __attribute__ ((packed)); @@ -167,6 +166,7 @@ struct zfcp_dbf_san_record_ct_request { u8 options; u16 max_res_size; u32 len; + u32 d_id; } __attribute__ ((packed)); struct zfcp_dbf_san_record_ct_response { @@ -180,16 +180,13 @@ struct zfcp_dbf_san_record_ct_response { } __attribute__ ((packed)); struct zfcp_dbf_san_record_els { - u8 ls_code; - u32 len; + u32 d_id; } __attribute__ ((packed)); struct zfcp_dbf_san_record { u8 tag[ZFCP_DBF_TAG_SIZE]; u64 fsf_reqid; u32 fsf_seqno; - u32 s_id; - u32 d_id; union { struct zfcp_dbf_san_record_ct_request ct_req; struct zfcp_dbf_san_record_ct_response ct_resp; diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index ea11b4e..21b2980 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -132,52 +132,6 @@ struct zfcp_adapter_mempool { mempool_t *qtcb_pool; }; -/** - * struct zfcp_send_ct - used to pass parameters to function zfcp_fsf_send_ct - * @wka_port: port where the request is sent to - * @req: scatter-gather list for request - * @resp: scatter-gather list for response - * @handler: handler function (called for response to the request) - * @handler_data: data passed to handler function - * @completion: completion for synchronization purposes - * @status: used to pass error status to calling function - */ -struct zfcp_send_ct { - struct zfcp_fc_wka_port *wka_port; - struct scatterlist *req; - struct scatterlist *resp; - void (*handler)(unsigned long); - unsigned long handler_data; - struct completion *completion; - int status; -}; - -/** - * struct zfcp_send_els - used to pass parameters to function zfcp_fsf_send_els - * @adapter: adapter where request is sent from - * @port: port where ELS is destinated (port reference count has to be increased) - * @d_id: destiniation id of port where request is sent to - * @req: scatter-gather list for request - * @resp: scatter-gather list for response - * @handler: handler function (called for response to the request) - * @handler_data: data passed to handler function - * @completion: completion for synchronization purposes - * @ls_code: hex code of ELS command - * @status: used to pass error status to calling function - */ -struct zfcp_send_els { - struct zfcp_adapter *adapter; - struct zfcp_port *port; - u32 d_id; - struct scatterlist *req; - struct scatterlist *resp; - void (*handler)(unsigned long); - unsigned long handler_data; - struct completion *completion; - int ls_code; - int status; -}; - struct zfcp_qdio_queue { struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q]; u8 first; /* index of next free bfr in queue */ diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 6a2d6e3..03dec83 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -12,6 +12,7 @@ #include <linux/types.h> #include <scsi/fc/fc_els.h> #include "zfcp_def.h" +#include "zfcp_fc.h" /* zfcp_aux.c */ extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64); @@ -55,7 +56,7 @@ extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *, struct fsf_status_read_buffer *); extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int); extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); -extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *); +extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *, u32); extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *); extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *); extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *); @@ -106,8 +107,7 @@ extern void zfcp_fc_link_test_work(struct work_struct *); extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); extern int zfcp_fc_gs_setup(struct zfcp_adapter *); extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); -extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *); -extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *); +extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); /* zfcp_fsf.c */ extern int zfcp_fsf_open_port(struct zfcp_erp_action *); @@ -128,8 +128,10 @@ extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *, extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); extern int zfcp_fsf_status_read(struct zfcp_qdio *); extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); -extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *); -extern int zfcp_fsf_send_els(struct zfcp_send_els *); +extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, + mempool_t *); +extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, + struct zfcp_fsf_ct_els *); extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *, struct scsi_cmnd *); extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index d6d1e78..6d5ccc0 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -22,12 +22,6 @@ static u32 zfcp_fc_rscn_range_mask[] = { [ELS_ADDR_FMT_FAB] = 0x000000, }; -struct zfcp_fc_ns_handler_data { - struct completion done; - void (*handler)(unsigned long); - unsigned long handler_data; -}; - static int zfcp_fc_wka_port_get(struct zfcp_fc_wka_port *wka_port) { if (mutex_lock_interruptible(&wka_port->mutex)) @@ -211,21 +205,10 @@ void zfcp_fc_incoming_els(struct zfcp_fsf_req *fsf_req) zfcp_fc_incoming_rscn(fsf_req); } -static void zfcp_fc_ns_handler(unsigned long data) -{ - struct zfcp_fc_ns_handler_data *compl_rec = - (struct zfcp_fc_ns_handler_data *) data; - - if (compl_rec->handler) - compl_rec->handler(compl_rec->handler_data); - - complete(&compl_rec->done); -} - -static void zfcp_fc_ns_gid_pn_eval(unsigned long data) +static void zfcp_fc_ns_gid_pn_eval(void *data) { - struct zfcp_fc_gid_pn *gid_pn = (struct zfcp_fc_gid_pn *) data; - struct zfcp_send_ct *ct = &gid_pn->ct; + struct zfcp_fc_gid_pn *gid_pn = data; + struct zfcp_fsf_ct_els *ct = &gid_pn->ct; struct zfcp_fc_gid_pn_req *gid_pn_req = sg_virt(ct->req); struct zfcp_fc_gid_pn_resp *gid_pn_resp = sg_virt(ct->resp); struct zfcp_port *port = gid_pn->port; @@ -242,18 +225,22 @@ static void zfcp_fc_ns_gid_pn_eval(unsigned long data) port->d_id = ntoh24(gid_pn_resp->gid_pn.fp_fid); } +static void zfcp_fc_complete(void *data) +{ + complete(data); +} + static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port, struct zfcp_fc_gid_pn *gid_pn) { struct zfcp_adapter *adapter = port->adapter; - struct zfcp_fc_ns_handler_data compl_rec; + DECLARE_COMPLETION_ONSTACK(completion); int ret; /* setup parameters for send generic command */ gid_pn->port = port; - gid_pn->ct.wka_port = &adapter->gs->ds; - gid_pn->ct.handler = zfcp_fc_ns_handler; - gid_pn->ct.handler_data = (unsigned long) &compl_rec; + gid_pn->ct.handler = zfcp_fc_complete; + gid_pn->ct.handler_data = &completion; gid_pn->ct.req = &gid_pn->sg_req; gid_pn->ct.resp = &gid_pn->sg_resp; sg_init_one(&gid_pn->sg_req, &gid_pn->gid_pn_req, @@ -270,12 +257,12 @@ static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port, gid_pn->gid_pn_req.ct_hdr.ct_mr_size = ZFCP_FC_CT_SIZE_PAGE / 4; gid_pn->gid_pn_req.gid_pn.fn_wwpn = port->wwpn; - init_completion(&compl_rec.done); - compl_rec.handler = zfcp_fc_ns_gid_pn_eval; - compl_rec.handler_data = (unsigned long) gid_pn; - ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.gid_pn_req); - if (!ret) - wait_for_completion(&compl_rec.done); + ret = zfcp_fsf_send_ct(&adapter->gs->ds, &gid_pn->ct, + adapter->pool.gid_pn_req); + if (!ret) { + wait_for_completion(&completion); + zfcp_fc_ns_gid_pn_eval(gid_pn); + } return ret; } @@ -374,9 +361,9 @@ void zfcp_fc_plogi_evaluate(struct zfcp_port *port, struct fc_els_flogi *plogi) port->supported_classes |= FC_COS_CLASS4; } -static void zfcp_fc_adisc_handler(unsigned long data) +static void zfcp_fc_adisc_handler(void *data) { - struct zfcp_fc_els_adisc *adisc = (struct zfcp_fc_els_adisc *) data; + struct zfcp_fc_els_adisc *adisc = data; struct zfcp_port *port = adisc->els.port; struct fc_els_adisc *adisc_resp = &adisc->adisc_resp; @@ -414,6 +401,7 @@ static int zfcp_fc_adisc(struct zfcp_port *port) if (!adisc) return -ENOMEM; + adisc->els.port = port; adisc->els.req = &adisc->req; adisc->els.resp = &adisc->resp; sg_init_one(adisc->els.req, &adisc->adisc_req, @@ -421,21 +409,18 @@ static int zfcp_fc_adisc(struct zfcp_port *port) sg_init_one(adisc->els.resp, &adisc->adisc_resp, sizeof(struct fc_els_adisc)); - adisc->els.adapter = adapter; - adisc->els.port = port; - adisc->els.d_id = port->d_id; adisc->els.handler = zfcp_fc_adisc_handler; - adisc->els.handler_data = (unsigned long) adisc; - adisc->els.ls_code = adisc->adisc_req.adisc_cmd = ELS_ADISC; + adisc->els.handler_data = adisc; /* acc. to FC-FS, hard_nport_id in ADISC should not be set for ports without FC-AL-2 capability, so we don't set it */ adisc->adisc_req.adisc_wwpn = fc_host_port_name(adapter->scsi_host); adisc->adisc_req.adisc_wwnn = fc_host_node_name(adapter->scsi_host); + adisc->adisc_req.adisc_cmd = ELS_ADISC; hton24(adisc->adisc_req.adisc_port_id, fc_host_port_id(adapter->scsi_host)); - return zfcp_fsf_send_els(&adisc->els); + return zfcp_fsf_send_els(adapter, port->d_id, &adisc->els); } void zfcp_fc_link_test_work(struct work_struct *work) @@ -520,9 +505,9 @@ out: static int zfcp_fc_send_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft, struct zfcp_adapter *adapter, int max_bytes) { - struct zfcp_send_ct *ct = &gpn_ft->ct; + struct zfcp_fsf_ct_els *ct = &gpn_ft->ct; struct zfcp_fc_gpn_ft_req *req = sg_virt(&gpn_ft->sg_req); - struct zfcp_fc_ns_handler_data compl_rec; + DECLARE_COMPLETION_ONSTACK(completion); int ret; /* prepare CT IU for GPN_FT */ @@ -537,17 +522,14 @@ static int zfcp_fc_send_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft, req->gpn_ft.fn_fc4_type = FC_TYPE_FCP; /* prepare zfcp_send_ct */ - ct->wka_port = &adapter->gs->ds; - ct->handler = zfcp_fc_ns_handler; - ct->handler_data = (unsigned long)&compl_rec; + ct->handler = zfcp_fc_complete; + ct->handler_data = &completion; ct->req = &gpn_ft->sg_req; ct->resp = gpn_ft->sg_resp; - init_completion(&compl_rec.done); - compl_rec.handler = NULL; - ret = zfcp_fsf_send_ct(ct, NULL); + ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct, NULL); if (!ret) - wait_for_completion(&compl_rec.done); + wait_for_completion(&completion); return ret; } @@ -565,13 +547,13 @@ static void zfcp_fc_validate_port(struct zfcp_port *port, struct list_head *lh) list_move_tail(&port->list, lh); } -static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft, int max_entries) +static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft, + struct zfcp_adapter *adapter, int max_entries) { - struct zfcp_send_ct *ct = &gpn_ft->ct; + struct zfcp_fsf_ct_els *ct = &gpn_ft->ct; struct scatterlist *sg = gpn_ft->sg_resp; struct fc_ct_hdr *hdr = sg_virt(sg); struct fc_gpn_ft_resp *acc = sg_virt(sg); - struct zfcp_adapter *adapter = ct->wka_port->adapter; struct zfcp_port *port, *tmp; unsigned long flags; LIST_HEAD(remove_lh); @@ -665,7 +647,7 @@ void zfcp_fc_scan_ports(struct work_struct *work) for (i = 0; i < 3; i++) { ret = zfcp_fc_send_gpn_ft(gpn_ft, adapter, max_bytes); if (!ret) { - ret = zfcp_fc_eval_gpn_ft(gpn_ft, max_entries); + ret = zfcp_fc_eval_gpn_ft(gpn_ft, adapter, max_entries); if (ret == -EAGAIN) ssleep(1); else @@ -677,160 +659,109 @@ out: zfcp_fc_wka_port_put(&adapter->gs->ds); } - -struct zfcp_els_fc_job { - struct zfcp_send_els els; - struct fc_bsg_job *job; -}; - -static void zfcp_fc_generic_els_handler(unsigned long data) +static void zfcp_fc_ct_els_job_handler(void *data) { - struct zfcp_els_fc_job *els_fc_job = (struct zfcp_els_fc_job *) data; - struct fc_bsg_job *job = els_fc_job->job; - struct fc_bsg_reply *reply = job->reply; + struct fc_bsg_job *job = data; + struct zfcp_fsf_ct_els *zfcp_ct_els = job->dd_data; + int status = zfcp_ct_els->status; + int reply_status; - if (els_fc_job->els.status) { - /* request rejected or timed out */ - reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_REJECT; - goto out; - } - - reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; - reply->reply_payload_rcv_len = job->reply_payload.payload_len; - -out: - job->state_flags = FC_RQST_STATE_DONE; + reply_status = status ? FC_CTELS_STATUS_REJECT : FC_CTELS_STATUS_OK; + job->reply->reply_data.ctels_reply.status = reply_status; + job->reply->reply_payload_rcv_len = job->reply_payload.payload_len; job->job_done(job); - kfree(els_fc_job); } -int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *job) +static int zfcp_fc_exec_els_job(struct fc_bsg_job *job, + struct zfcp_adapter *adapter) { - struct zfcp_els_fc_job *els_fc_job; + struct zfcp_fsf_ct_els *els = job->dd_data; struct fc_rport *rport = job->rport; - struct Scsi_Host *shost; - struct zfcp_adapter *adapter; struct zfcp_port *port; - u8 *port_did; - - shost = rport ? rport_to_shost(rport) : job->shost; - adapter = (struct zfcp_adapter *)shost->hostdata[0]; - - if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN)) - return -EINVAL; - - els_fc_job = kzalloc(sizeof(struct zfcp_els_fc_job), GFP_KERNEL); - if (!els_fc_job) - return -ENOMEM; + u32 d_id; - els_fc_job->els.adapter = adapter; if (rport) { port = zfcp_get_port_by_wwpn(adapter, rport->port_name); - if (!port) { - kfree(els_fc_job); + if (!port) return -EINVAL; - } - els_fc_job->els.d_id = port->d_id; + d_id = port->d_id; put_device(&port->sysfs_device); - } else { - port_did = job->request->rqst_data.h_els.port_id; - els_fc_job->els.d_id = (port_did[0] << 16) + - (port_did[1] << 8) + port_did[2]; - } - - els_fc_job->els.req = job->request_payload.sg_list; - els_fc_job->els.resp = job->reply_payload.sg_list; - els_fc_job->els.handler = zfcp_fc_generic_els_handler; - els_fc_job->els.handler_data = (unsigned long) els_fc_job; - els_fc_job->job = job; + } else + d_id = ntoh24(job->request->rqst_data.h_els.port_id); - return zfcp_fsf_send_els(&els_fc_job->els); + return zfcp_fsf_send_els(adapter, d_id, els); } -struct zfcp_ct_fc_job { - struct zfcp_send_ct ct; - struct fc_bsg_job *job; -}; - -static void zfcp_fc_generic_ct_handler(unsigned long data) -{ - struct zfcp_ct_fc_job *ct_fc_job = (struct zfcp_ct_fc_job *) data; - struct fc_bsg_job *job = ct_fc_job->job; - - job->reply->reply_data.ctels_reply.status = ct_fc_job->ct.status ? - FC_CTELS_STATUS_REJECT : FC_CTELS_STATUS_OK; - job->reply->reply_payload_rcv_len = job->reply_payload.payload_len; - job->state_flags = FC_RQST_STATE_DONE; - job->job_done(job); - - zfcp_fc_wka_port_put(ct_fc_job->ct.wka_port); - - kfree(ct_fc_job); -} - -int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *job) +static int zfcp_fc_exec_ct_job(struct fc_bsg_job *job, + struct zfcp_adapter *adapter) { int ret; u8 gs_type; - struct fc_rport *rport = job->rport; - struct Scsi_Host *shost; - struct zfcp_adapter *adapter; - struct zfcp_ct_fc_job *ct_fc_job; + struct zfcp_fsf_ct_els *ct = job->dd_data; + struct zfcp_fc_wka_port *wka_port; u32 preamble_word1; - shost = rport ? rport_to_shost(rport) : job->shost; - - adapter = (struct zfcp_adapter *)shost->hostdata[0]; - if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN)) - return -EINVAL; - - ct_fc_job = kzalloc(sizeof(struct zfcp_ct_fc_job), GFP_KERNEL); - if (!ct_fc_job) - return -ENOMEM; - preamble_word1 = job->request->rqst_data.r_ct.preamble_word1; gs_type = (preamble_word1 & 0xff000000) >> 24; switch (gs_type) { case FC_FST_ALIAS: - ct_fc_job->ct.wka_port = &adapter->gs->as; + wka_port = &adapter->gs->as; break; case FC_FST_MGMT: - ct_fc_job->ct.wka_port = &adapter->gs->ms; + wka_port = &adapter->gs->ms; break; case FC_FST_TIME: - ct_fc_job->ct.wka_port = &adapter->gs->ts; + wka_port = &adapter->gs->ts; break; case FC_FST_DIR: - ct_fc_job->ct.wka_port = &adapter->gs->ds; + wka_port = &adapter->gs->ds; break; default: - kfree(ct_fc_job); return -EINVAL; /* no such service */ } - ret = zfcp_fc_wka_port_get(ct_fc_job->ct.wka_port); - if (ret) { - kfree(ct_fc_job); + ret = zfcp_fc_wka_port_get(wka_port); + if (ret) return ret; - } - ct_fc_job->ct.req = job->request_payload.sg_list; - ct_fc_job->ct.resp = job->reply_payload.sg_list; - ct_fc_job->ct.handler = zfcp_fc_generic_ct_handler; - ct_fc_job->ct.handler_data = (unsigned long) ct_fc_job; - ct_fc_job->ct.completion = NULL; - ct_fc_job->job = job; + ret = zfcp_fsf_send_ct(wka_port, ct, NULL); + if (ret) + zfcp_fc_wka_port_put(wka_port); - ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL); - if (ret) { - kfree(ct_fc_job); - zfcp_fc_wka_port_put(ct_fc_job->ct.wka_port); - } return ret; } +int zfcp_fc_exec_bsg_job(struct fc_bsg_job *job) +{ + struct Scsi_Host *shost; + struct zfcp_adapter *adapter; + struct zfcp_fsf_ct_els *ct_els = job->dd_data; + + shost = job->rport ? rport_to_shost(job->rport) : job->shost; + adapter = (struct zfcp_adapter *)shost->hostdata[0]; + + if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN)) + return -EINVAL; + + ct_els->req = job->request_payload.sg_list; + ct_els->resp = job->reply_payload.sg_list; + ct_els->handler = zfcp_fc_ct_els_job_handler; + ct_els->handler_data = job; + + switch (job->request->msgcode) { + case FC_BSG_RPT_ELS: + case FC_BSG_HST_ELS_NOLOGIN: + return zfcp_fc_exec_els_job(job, adapter); + case FC_BSG_RPT_CT: + case FC_BSG_HST_CT: + return zfcp_fc_exec_ct_job(job, adapter); + default: + return -EINVAL; + } +} + int zfcp_fc_gs_setup(struct zfcp_adapter *adapter) { struct zfcp_fc_wka_ports *wka_ports; diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h index 9c787e0..cb2a366 100644 --- a/drivers/s390/scsi/zfcp_fc.h +++ b/drivers/s390/scsi/zfcp_fc.h @@ -15,6 +15,7 @@ #include <scsi/fc/fc_ns.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_tcq.h> +#include "zfcp_fsf.h" #define ZFCP_FC_CT_SIZE_PAGE (PAGE_SIZE - sizeof(struct fc_ct_hdr)) #define ZFCP_FC_GPN_FT_ENT_PAGE (ZFCP_FC_CT_SIZE_PAGE \ @@ -55,7 +56,7 @@ struct zfcp_fc_gid_pn_resp { * @gid_pn_resp: GID_PN response data */ struct zfcp_fc_gid_pn { - struct zfcp_send_ct ct; + struct zfcp_fsf_ct_els ct; struct scatterlist sg_req; struct scatterlist sg_resp; struct zfcp_fc_gid_pn_req gid_pn_req; @@ -90,7 +91,7 @@ struct zfcp_fc_gpn_ft_resp { * @sg_resp: scatter list entries for gpn_ft responses (per memory page) */ struct zfcp_fc_gpn_ft { - struct zfcp_send_ct ct; + struct zfcp_fsf_ct_els ct; struct scatterlist sg_req; struct scatterlist sg_resp[ZFCP_FC_GPN_FT_NUM_BUFS]; }; @@ -104,7 +105,7 @@ struct zfcp_fc_gpn_ft { * @adisc_resp: ELS ADISC response data */ struct zfcp_fc_els_adisc { - struct zfcp_send_els els; + struct zfcp_fsf_ct_els els; struct scatterlist req; struct scatterlist resp; struct fc_els_adisc adisc_req; diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 057c937..fb580b1 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -961,10 +961,10 @@ out: static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req) { struct zfcp_adapter *adapter = req->adapter; - struct zfcp_send_ct *send_ct = req->data; + struct zfcp_fsf_ct_els *ct = req->data; struct fsf_qtcb_header *header = &req->qtcb->header; - send_ct->status = -EINVAL; + ct->status = -EINVAL; if (req->status & ZFCP_STATUS_FSFREQ_ERROR) goto skip_fsfstatus; @@ -972,7 +972,7 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req) switch (header->fsf_status) { case FSF_GOOD: zfcp_dbf_san_ct_response(req); - send_ct->status = 0; + ct->status = 0; break; case FSF_SERVICE_CLASS_NOT_SUPPORTED: zfcp_fsf_class_not_supp(req); @@ -1004,8 +1004,8 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req) } skip_fsfstatus: - if (send_ct->handler) - send_ct->handler(send_ct->handler_data); + if (ct->handler) + ct->handler(ct->handler_data); } static void zfcp_fsf_setup_ct_els_unchained(struct qdio_buffer_element *sbale, @@ -1094,9 +1094,9 @@ static int zfcp_fsf_setup_ct_els(struct zfcp_fsf_req *req, * @ct: pointer to struct zfcp_send_ct with data for request * @pool: if non-null this mempool is used to allocate struct zfcp_fsf_req */ -int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool) +int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port, + struct zfcp_fsf_ct_els *ct, mempool_t *pool) { - struct zfcp_fc_wka_port *wka_port = ct->wka_port; struct zfcp_qdio *qdio = wka_port->adapter->qdio; struct zfcp_fsf_req *req; int ret = -EIO; @@ -1122,7 +1122,7 @@ int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool) req->qtcb->header.port_handle = wka_port->handle; req->data = ct; - zfcp_dbf_san_ct_request(req); + zfcp_dbf_san_ct_request(req, wka_port->d_id); ret = zfcp_fsf_req_send(req); if (ret) @@ -1139,7 +1139,7 @@ out: static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req) { - struct zfcp_send_els *send_els = req->data; + struct zfcp_fsf_ct_els *send_els = req->data; struct zfcp_port *port = send_els->port; struct fsf_qtcb_header *header = &req->qtcb->header; @@ -1159,9 +1159,6 @@ static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req) case FSF_ADAPTER_STATUS_AVAILABLE: switch (header->fsf_status_qual.word[0]){ case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - if (port && (send_els->ls_code != ELS_ADISC)) - zfcp_fc_test_link(port); - /*fall through */ case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: case FSF_SQ_RETRY_IF_POSSIBLE: req->status |= ZFCP_STATUS_FSFREQ_ERROR; @@ -1193,10 +1190,11 @@ skip_fsfstatus: * zfcp_fsf_send_els - initiate an ELS command (FC-FS) * @els: pointer to struct zfcp_send_els with data for the command */ -int zfcp_fsf_send_els(struct zfcp_send_els *els) +int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id, + struct zfcp_fsf_ct_els *els) { struct zfcp_fsf_req *req; - struct zfcp_qdio *qdio = els->adapter->qdio; + struct zfcp_qdio *qdio = adapter->qdio; int ret = -EIO; spin_lock_bh(&qdio->req_q_lock); @@ -1216,7 +1214,7 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els) if (ret) goto failed_send; - hton24(req->qtcb->bottom.support.d_id, els->d_id); + hton24(req->qtcb->bottom.support.d_id, d_id); req->handler = zfcp_fsf_send_els_handler; req->data = els; diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h index 206b7ea..b3de682 100644 --- a/drivers/s390/scsi/zfcp_fsf.h +++ b/drivers/s390/scsi/zfcp_fsf.h @@ -437,4 +437,22 @@ struct zfcp_blk_drv_data { u64 fabric_lat; } __attribute__ ((packed)); +/** + * struct zfcp_fsf_ct_els - zfcp data for ct or els request + * @req: scatter-gather list for request + * @resp: scatter-gather list for response + * @handler: handler function (called for response to the request) + * @handler_data: data passed to handler function + * @port: Optional pointer to port for zfcp internal ELS (only test link ADISC) + * @status: used to pass error status to calling function + */ +struct zfcp_fsf_ct_els { + struct scatterlist *req; + struct scatterlist *resp; + void (*handler)(void *); + void *handler_data; + struct zfcp_port *port; + int status; +}; + #endif /* FSF_H */ diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 3d16841..535f36c 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -14,6 +14,7 @@ #include <asm/atomic.h> #include "zfcp_ext.h" #include "zfcp_dbf.h" +#include "zfcp_fc.h" static unsigned int default_depth = 32; module_param_named(queue_depth, default_depth, uint, 0600); @@ -628,20 +629,6 @@ void zfcp_scsi_scan(struct work_struct *work) put_device(&unit->sysfs_device); } -static int zfcp_execute_fc_job(struct fc_bsg_job *job) -{ - switch (job->request->msgcode) { - case FC_BSG_RPT_ELS: - case FC_BSG_HST_ELS_NOLOGIN: - return zfcp_fc_execute_els_fc_job(job); - case FC_BSG_RPT_CT: - case FC_BSG_HST_CT: - return zfcp_fc_execute_ct_fc_job(job); - default: - return -EINVAL; - } -} - struct fc_function_template zfcp_transport_functions = { .show_starget_port_id = 1, .show_starget_port_name = 1, @@ -662,13 +649,14 @@ struct fc_function_template zfcp_transport_functions = { .get_host_port_state = zfcp_get_host_port_state, .terminate_rport_io = zfcp_scsi_terminate_rport_io, .show_host_port_state = 1, - .bsg_request = zfcp_execute_fc_job, + .bsg_request = zfcp_fc_exec_bsg_job, /* no functions registered for following dynamic attributes but directly set by LLDD */ .show_host_port_type = 1, .show_host_speed = 1, .show_host_port_id = 1, .disable_target_scan = 1, + .dd_bsg_size = sizeof(struct zfcp_fsf_ct_els), }; struct zfcp_data zfcp_data = { |