| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Quinn Tran | 16943 | 99.98% | 14 | 87.50% |
| Colin Ian King | 2 | 0.01% | 1 | 6.25% |
| kbuild test robot | 1 | 0.01% | 1 | 6.25% |
| Total | 16946 | 16 |
// SPDX-License-Identifier: GPL-2.0-only /* * Marvell Fibre Channel HBA Driver * Copyright (c) 2021 Marvell */ #include "qla_def.h" #include "qla_edif.h" #include <linux/kthread.h> #include <linux/vmalloc.h> #include <linux/delay.h> #include <scsi/scsi_tcq.h> static struct edif_sa_index_entry *qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle, struct list_head *sa_list); static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport, struct qla_sa_update_frame *sa_frame); static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle, uint16_t sa_index); static int qla_pur_get_pending(scsi_qla_host_t *, fc_port_t *, struct bsg_job *); struct edb_node { struct list_head list; uint32_t ntype; union { port_id_t plogi_did; uint32_t async; port_id_t els_sid; struct edif_sa_update_aen sa_aen; } u; }; static struct els_sub_cmd { uint16_t cmd; const char *str; } sc_str[] = { {SEND_ELS, "send ELS"}, {SEND_ELS_REPLY, "send ELS Reply"}, {PULL_ELS, "retrieve ELS"}, }; const char *sc_to_str(uint16_t cmd) { int i; struct els_sub_cmd *e; for (i = 0; i < ARRAY_SIZE(sc_str); i++) { e = sc_str + i; if (cmd == e->cmd) return e->str; } return "unknown"; } static struct edif_list_entry *qla_edif_list_find_sa_index(fc_port_t *fcport, uint16_t handle) { struct edif_list_entry *entry; struct edif_list_entry *tentry; struct list_head *indx_list = &fcport->edif.edif_indx_list; list_for_each_entry_safe(entry, tentry, indx_list, next) { if (entry->handle == handle) return entry; } return NULL; } /* timeout called when no traffic and delayed rx sa_index delete */ static void qla2x00_sa_replace_iocb_timeout(struct timer_list *t) { struct edif_list_entry *edif_entry = from_timer(edif_entry, t, timer); fc_port_t *fcport = edif_entry->fcport; struct scsi_qla_host *vha = fcport->vha; struct edif_sa_ctl *sa_ctl; uint16_t nport_handle; unsigned long flags = 0; ql_dbg(ql_dbg_edif, vha, 0x3069, "%s: nport_handle 0x%x, SA REPL Delay Timeout, %8phC portid=%06x\n", __func__, edif_entry->handle, fcport->port_name, fcport->d_id.b24); /* * if delete_sa_index is valid then no one has serviced this * delayed delete */ spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); /* * delete_sa_index is invalidated when we find the new sa_index in * the incoming data stream. If it is not invalidated then we are * still looking for the new sa_index because there is no I/O and we * need to just force the rx delete and move on. Otherwise * we could get another rekey which will result in an error 66. */ if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) { uint16_t delete_sa_index = edif_entry->delete_sa_index; edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX; nport_handle = edif_entry->handle; spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, delete_sa_index, 0); if (sa_ctl) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: sa_ctl: %p, delete index %d, update index: %d, lid: 0x%x\n", __func__, sa_ctl, delete_sa_index, edif_entry->update_sa_index, nport_handle); sa_ctl->flags = EDIF_SA_CTL_FLG_DEL; set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state); qla_post_sa_replace_work(fcport->vha, fcport, nport_handle, sa_ctl); } else { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: sa_ctl not found for delete_sa_index: %d\n", __func__, edif_entry->delete_sa_index); } } else { spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); } } /* * create a new list entry for this nport handle and * add an sa_update index to the list - called for sa_update */ static int qla_edif_list_add_sa_update_index(fc_port_t *fcport, uint16_t sa_index, uint16_t handle) { struct edif_list_entry *entry; unsigned long flags = 0; /* if the entry exists, then just update the sa_index */ entry = qla_edif_list_find_sa_index(fcport, handle); if (entry) { entry->update_sa_index = sa_index; entry->count = 0; return 0; } /* * This is the normal path - there should be no existing entry * when update is called. The exception is at startup * when update is called for the first two sa_indexes * followed by a delete of the first sa_index */ entry = kzalloc((sizeof(struct edif_list_entry)), GFP_ATOMIC); if (!entry) return -ENOMEM; INIT_LIST_HEAD(&entry->next); entry->handle = handle; entry->update_sa_index = sa_index; entry->delete_sa_index = INVALID_EDIF_SA_INDEX; entry->count = 0; entry->flags = 0; timer_setup(&entry->timer, qla2x00_sa_replace_iocb_timeout, 0); spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); list_add_tail(&entry->next, &fcport->edif.edif_indx_list); spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); return 0; } /* remove an entry from the list */ static void qla_edif_list_delete_sa_index(fc_port_t *fcport, struct edif_list_entry *entry) { unsigned long flags = 0; spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); list_del(&entry->next); spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); } int qla_post_sa_replace_work(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t nport_handle, struct edif_sa_ctl *sa_ctl) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_SA_REPLACE); if (!e) return QLA_FUNCTION_FAILED; e->u.sa_update.fcport = fcport; e->u.sa_update.sa_ctl = sa_ctl; e->u.sa_update.nport_handle = nport_handle; fcport->flags |= FCF_ASYNC_ACTIVE; return qla2x00_post_work(vha, e); } static void qla_edif_sa_ctl_init(scsi_qla_host_t *vha, struct fc_port *fcport) { ql_dbg(ql_dbg_edif, vha, 0x2058, "Init SA_CTL List for fcport - nn %8phN pn %8phN portid=%06x.\n", fcport->node_name, fcport->port_name, fcport->d_id.b24); fcport->edif.tx_rekey_cnt = 0; fcport->edif.rx_rekey_cnt = 0; fcport->edif.tx_bytes = 0; fcport->edif.rx_bytes = 0; } static int qla_bsg_check(scsi_qla_host_t *vha, struct bsg_job *bsg_job, fc_port_t *fcport) { struct extra_auth_els *p; struct fc_bsg_reply *bsg_reply = bsg_job->reply; struct qla_bsg_auth_els_request *req = (struct qla_bsg_auth_els_request *)bsg_job->request; if (!vha->hw->flags.edif_enabled) { ql_dbg(ql_dbg_edif, vha, 0x9105, "%s edif not enabled\n", __func__); goto done; } if (vha->e_dbell.db_flags != EDB_ACTIVE) { ql_dbg(ql_dbg_edif, vha, 0x09102, "%s doorbell not enabled\n", __func__); goto done; } p = &req->e; /* Get response */ if (p->sub_cmd == PULL_ELS) { struct qla_bsg_auth_els_reply *rpl = (struct qla_bsg_auth_els_reply *)bsg_job->reply; qla_pur_get_pending(vha, fcport, bsg_job); ql_dbg(ql_dbg_edif, vha, 0x911d, "%s %s %8phN sid=%x. xchg %x, nb=%xh bsg ptr %p\n", __func__, sc_to_str(p->sub_cmd), fcport->port_name, fcport->d_id.b24, rpl->rx_xchg_address, rpl->r.reply_payload_rcv_len, bsg_job); goto done; } return 0; done: bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); return -EIO; } fc_port_t * qla2x00_find_fcport_by_pid(scsi_qla_host_t *vha, port_id_t *id) { fc_port_t *f, *tf; f = NULL; list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { if ((f->flags & FCF_FCSP_DEVICE)) { ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x2058, "Found secure fcport - nn %8phN pn %8phN portid=0x%x, 0x%x.\n", f->node_name, f->port_name, f->d_id.b24, id->b24); if (f->d_id.b24 == id->b24) return f; } } return NULL; } /** * qla_edif_app_check(): check for valid application id. * @vha: host adapter pointer * @appid: application id * Return: false = fail, true = pass */ static bool qla_edif_app_check(scsi_qla_host_t *vha, struct app_id appid) { /* check that the app is allow/known to the driver */ if (appid.app_vid == EDIF_APP_ID) { ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d, "%s app id ok\n", __func__); return true; } ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app id not ok (%x)", __func__, appid.app_vid); return false; } static void qla_edif_reset_auth_wait(struct fc_port *fcport, int state, int waitonly) { int cnt, max_cnt = 200; bool traced = false; fcport->keep_nport_handle = 1; if (!waitonly) { qla2x00_set_fcport_disc_state(fcport, state); qlt_schedule_sess_for_deletion(fcport); } else { qla2x00_set_fcport_disc_state(fcport, state); } ql_dbg(ql_dbg_edif, fcport->vha, 0xf086, "%s: waiting for session, max_cnt=%u\n", __func__, max_cnt); cnt = 0; if (waitonly) { /* Marker wait min 10 msecs. */ msleep(50); cnt += 50; } while (1) { if (!traced) { ql_dbg(ql_dbg_edif, fcport->vha, 0xf086, "%s: session sleep.\n", __func__); traced = true; } msleep(20); cnt++; if (waitonly && (fcport->disc_state == state || fcport->disc_state == DSC_LOGIN_COMPLETE)) break; if (fcport->disc_state == DSC_LOGIN_AUTH_PEND) break; if (cnt > max_cnt) break; } if (!waitonly) { ql_dbg(ql_dbg_edif, fcport->vha, 0xf086, "%s: waited for session - %8phC, loopid=%x portid=%06x fcport=%p state=%u, cnt=%u\n", __func__, fcport->port_name, fcport->loop_id, fcport->d_id.b24, fcport, fcport->disc_state, cnt); } else { ql_dbg(ql_dbg_edif, fcport->vha, 0xf086, "%s: waited ONLY for session - %8phC, loopid=%x portid=%06x fcport=%p state=%u, cnt=%u\n", __func__, fcport->port_name, fcport->loop_id, fcport->d_id.b24, fcport, fcport->disc_state, cnt); } } static void qla_edif_free_sa_ctl(fc_port_t *fcport, struct edif_sa_ctl *sa_ctl, int index) { unsigned long flags = 0; spin_lock_irqsave(&fcport->edif.sa_list_lock, flags); list_del(&sa_ctl->next); spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags); if (index >= 512) fcport->edif.tx_rekey_cnt--; else fcport->edif.rx_rekey_cnt--; kfree(sa_ctl); } /* return an index to the freepool */ static void qla_edif_add_sa_index_to_freepool(fc_port_t *fcport, int dir, uint16_t sa_index) { void *sa_id_map; struct scsi_qla_host *vha = fcport->vha; struct qla_hw_data *ha = vha->hw; unsigned long flags = 0; u16 lsa_index = sa_index; ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, "%s: entry\n", __func__); if (dir) { sa_id_map = ha->edif_tx_sa_id_map; lsa_index -= EDIF_TX_SA_INDEX_BASE; } else { sa_id_map = ha->edif_rx_sa_id_map; } spin_lock_irqsave(&ha->sadb_fp_lock, flags); clear_bit(lsa_index, sa_id_map); spin_unlock_irqrestore(&ha->sadb_fp_lock, flags); ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: index %d added to free pool\n", __func__, sa_index); } static void __qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport, struct edif_sa_index_entry *entry, int pdir) { struct edif_list_entry *edif_entry; struct edif_sa_ctl *sa_ctl; int i, dir; int key_cnt = 0; for (i = 0; i < 2; i++) { if (entry->sa_pair[i].sa_index == INVALID_EDIF_SA_INDEX) continue; if (fcport->loop_id != entry->handle) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: ** WARNING %d** entry handle: 0x%x, lid: 0x%x, sa_index: %d\n", __func__, i, entry->handle, fcport->loop_id, entry->sa_pair[i].sa_index); } /* release the sa_ctl */ sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, entry->sa_pair[i].sa_index, pdir); if (sa_ctl && qla_edif_find_sa_ctl_by_index(fcport, sa_ctl->index, pdir)) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: freeing sa_ctl for index %d\n", __func__, sa_ctl->index); qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index); } else { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: sa_ctl NOT freed, sa_ctl: %p\n", __func__, sa_ctl); } /* Release the index */ ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: freeing sa_index %d, nph: 0x%x\n", __func__, entry->sa_pair[i].sa_index, entry->handle); dir = (entry->sa_pair[i].sa_index < EDIF_TX_SA_INDEX_BASE) ? 0 : 1; qla_edif_add_sa_index_to_freepool(fcport, dir, entry->sa_pair[i].sa_index); /* Delete timer on RX */ if (pdir != SAU_FLG_TX) { edif_entry = qla_edif_list_find_sa_index(fcport, entry->handle); if (edif_entry) { ql_dbg(ql_dbg_edif, vha, 0x5033, "%s: remove edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n", __func__, edif_entry, edif_entry->update_sa_index, edif_entry->delete_sa_index); qla_edif_list_delete_sa_index(fcport, edif_entry); /* * valid delete_sa_index indicates there is a rx * delayed delete queued */ if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) { del_timer(&edif_entry->timer); /* build and send the aen */ fcport->edif.rx_sa_set = 1; fcport->edif.rx_sa_pending = 0; qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, QL_VND_SA_STAT_SUCCESS, QL_VND_RX_SA_KEY, fcport); } ql_dbg(ql_dbg_edif, vha, 0x5033, "%s: release edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n", __func__, edif_entry, edif_entry->update_sa_index, edif_entry->delete_sa_index); kfree(edif_entry); } } key_cnt++; } ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: %d %s keys released\n", __func__, key_cnt, pdir ? "tx" : "rx"); } /* find an release all outstanding sadb sa_indicies */ void qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport) { struct edif_sa_index_entry *entry, *tmp; struct qla_hw_data *ha = vha->hw; unsigned long flags; ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, "%s: Starting...\n", __func__); spin_lock_irqsave(&ha->sadb_lock, flags); list_for_each_entry_safe(entry, tmp, &ha->sadb_rx_index_list, next) { if (entry->fcport == fcport) { list_del(&entry->next); spin_unlock_irqrestore(&ha->sadb_lock, flags); __qla2x00_release_all_sadb(vha, fcport, entry, 0); kfree(entry); spin_lock_irqsave(&ha->sadb_lock, flags); break; } } list_for_each_entry_safe(entry, tmp, &ha->sadb_tx_index_list, next) { if (entry->fcport == fcport) { list_del(&entry->next); spin_unlock_irqrestore(&ha->sadb_lock, flags); __qla2x00_release_all_sadb(vha, fcport, entry, SAU_FLG_TX); kfree(entry); spin_lock_irqsave(&ha->sadb_lock, flags); break; } } spin_unlock_irqrestore(&ha->sadb_lock, flags); } /** * qla_edif_app_start: application has announce its present * @vha: host adapter pointer * @bsg_job: user request * * Set/activate doorbell. Reset current sessions and re-login with * secure flag. */ static int qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { int32_t rval = 0; struct fc_bsg_reply *bsg_reply = bsg_job->reply; struct app_start appstart; struct app_start_reply appreply; struct fc_port *fcport, *tf; ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app start\n", __func__); sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &appstart, sizeof(struct app_start)); ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app_vid=%x app_start_flags %x\n", __func__, appstart.app_info.app_vid, appstart.app_start_flags); if (vha->e_dbell.db_flags != EDB_ACTIVE) { /* mark doorbell as active since an app is now present */ vha->e_dbell.db_flags = EDB_ACTIVE; } else { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s doorbell already active\n", __func__); } if (N2N_TOPO(vha->hw)) { if (vha->hw->flags.n2n_fw_acc_sec) set_bit(N2N_LINK_RESET, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } else { list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { ql_dbg(ql_dbg_edif, vha, 0xf084, "%s: sess %p %8phC lid %#04x s_id %06x logout %d\n", __func__, fcport, fcport->port_name, fcport->loop_id, fcport->d_id.b24, fcport->logout_on_delete); ql_dbg(ql_dbg_edif, vha, 0xf084, "keep %d els_logo %d disc state %d auth state %d stop state %d\n", fcport->keep_nport_handle, fcport->send_els_logo, fcport->disc_state, fcport->edif.auth_state, fcport->edif.app_stop); if (atomic_read(&vha->loop_state) == LOOP_DOWN) break; if (!(fcport->flags & FCF_FCSP_DEVICE)) continue; fcport->edif.app_started = 1; if (fcport->edif.app_stop || (fcport->disc_state != DSC_LOGIN_COMPLETE && fcport->disc_state != DSC_LOGIN_PEND && fcport->disc_state != DSC_DELETED)) { /* no activity */ fcport->edif.app_stop = 0; ql_dbg(ql_dbg_edif, vha, 0x911e, "%s wwpn %8phC calling qla_edif_reset_auth_wait\n", __func__, fcport->port_name); fcport->edif.app_sess_online = 1; qla_edif_reset_auth_wait(fcport, DSC_LOGIN_PEND, 0); } qla_edif_sa_ctl_init(vha, fcport); } } if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) { /* mark as active since an app is now present */ vha->pur_cinfo.enode_flags = ENODE_ACTIVE; } else { ql_dbg(ql_dbg_edif, vha, 0x911f, "%s enode already active\n", __func__); } appreply.host_support_edif = vha->hw->flags.edif_enabled; appreply.edif_enode_active = vha->pur_cinfo.enode_flags; appreply.edif_edb_active = vha->e_dbell.db_flags; bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(struct app_start_reply); SET_DID_STATUS(bsg_reply->result, DID_OK); sg_copy_from_buffer(bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, &appreply, sizeof(struct app_start_reply)); ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app start completed with 0x%x\n", __func__, rval); return rval; } /** * qla_edif_app_stop - app has announced it's exiting. * @vha: host adapter pointer * @bsg_job: user space command pointer * * Free any in flight messages, clear all doorbell events * to application. Reject any message relate to security. */ static int qla_edif_app_stop(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { struct app_stop appstop; struct fc_bsg_reply *bsg_reply = bsg_job->reply; struct fc_port *fcport, *tf; sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &appstop, sizeof(struct app_stop)); ql_dbg(ql_dbg_edif, vha, 0x911d, "%s Stopping APP: app_vid=%x\n", __func__, appstop.app_info.app_vid); /* Call db stop and enode stop functions */ /* if we leave this running short waits are operational < 16 secs */ qla_enode_stop(vha); /* stop enode */ qla_edb_stop(vha); /* stop db */ list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { if (!(fcport->flags & FCF_FCSP_DEVICE)) continue; if (fcport->flags & FCF_FCSP_DEVICE) { ql_dbg(ql_dbg_edif, vha, 0xf084, "%s: sess %p from port %8phC lid %#04x s_id %06x logout %d keep %d els_logo %d\n", __func__, fcport, fcport->port_name, fcport->loop_id, fcport->d_id.b24, fcport->logout_on_delete, fcport->keep_nport_handle, fcport->send_els_logo); if (atomic_read(&vha->loop_state) == LOOP_DOWN) break; fcport->edif.app_stop = 1; ql_dbg(ql_dbg_edif, vha, 0x911e, "%s wwpn %8phC calling qla_edif_reset_auth_wait\n", __func__, fcport->port_name); fcport->send_els_logo = 1; qlt_schedule_sess_for_deletion(fcport); /* qla_edif_flush_sa_ctl_lists(fcport); */ fcport->edif.app_started = 0; } } bsg_job->reply_len = sizeof(struct fc_bsg_reply); SET_DID_STATUS(bsg_reply->result, DID_OK); /* no return interface to app - it assumes we cleaned up ok */ return 0; } static int qla_edif_app_chk_sa_update(scsi_qla_host_t *vha, fc_port_t *fcport, struct app_plogi_reply *appplogireply) { int ret = 0; if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n", __func__, fcport->port_name, fcport->edif.tx_sa_set, fcport->edif.rx_sa_set); appplogireply->prli_status = 0; ret = 1; } else { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s wwpn %8phC Both SA(s) updated.\n", __func__, fcport->port_name); fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0; fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0; appplogireply->prli_status = 1; } return ret; } /** * qla_edif_app_authok - authentication by app succeeded. Driver can proceed * with prli * @vha: host adapter pointer * @bsg_job: user request */ static int qla_edif_app_authok(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { int32_t rval = 0; struct auth_complete_cmd appplogiok; struct app_plogi_reply appplogireply = {0}; struct fc_bsg_reply *bsg_reply = bsg_job->reply; fc_port_t *fcport = NULL; port_id_t portid = {0}; sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &appplogiok, sizeof(struct auth_complete_cmd)); switch (appplogiok.type) { case PL_TYPE_WWPN: fcport = qla2x00_find_fcport_by_wwpn(vha, appplogiok.u.wwpn, 0); if (!fcport) ql_dbg(ql_dbg_edif, vha, 0x911d, "%s wwpn lookup failed: %8phC\n", __func__, appplogiok.u.wwpn); break; case PL_TYPE_DID: fcport = qla2x00_find_fcport_by_pid(vha, &appplogiok.u.d_id); if (!fcport) ql_dbg(ql_dbg_edif, vha, 0x911d, "%s d_id lookup failed: %x\n", __func__, portid.b24); break; default: ql_dbg(ql_dbg_edif, vha, 0x911d, "%s undefined type: %x\n", __func__, appplogiok.type); break; } if (!fcport) { SET_DID_STATUS(bsg_reply->result, DID_ERROR); goto errstate_exit; } /* * if port is online then this is a REKEY operation * Only do sa update checking */ if (atomic_read(&fcport->state) == FCS_ONLINE) { ql_dbg(ql_dbg_edif, vha, 0x911d, "%s Skipping PRLI complete based on rekey\n", __func__); appplogireply.prli_status = 1; SET_DID_STATUS(bsg_reply->result, DID_OK); qla_edif_app_chk_sa_update(vha, fcport, &appplogireply); goto errstate_exit; } /* make sure in AUTH_PENDING or else reject */ if (fcport->disc_state != DSC_LOGIN_AUTH_PEND) { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s wwpn %8phC is not in auth pending state (%x)\n", __func__, fcport->port_name, fcport->disc_state); SET_DID_STATUS(bsg_reply->result, DID_OK); appplogireply.prli_status = 0; goto errstate_exit; } SET_DID_STATUS(bsg_reply->result, DID_OK); appplogireply.prli_status = 1; fcport->edif.authok = 1; if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n", __func__, fcport->port_name, fcport->edif.tx_sa_set, fcport->edif.rx_sa_set); SET_DID_STATUS(bsg_reply->result, DID_OK); appplogireply.prli_status = 0; goto errstate_exit; } else { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s wwpn %8phC Both SA(s) updated.\n", __func__, fcport->port_name); fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0; fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0; } if (qla_ini_mode_enabled(vha)) { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s AUTH complete - RESUME with prli for wwpn %8phC\n", __func__, fcport->port_name); qla_edif_reset_auth_wait(fcport, DSC_LOGIN_PEND, 1); qla24xx_post_prli_work(vha, fcport); } errstate_exit: bsg_job->reply_len = sizeof(struct fc_bsg_reply); sg_copy_from_buffer(bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, &appplogireply, sizeof(struct app_plogi_reply)); return rval; } /** * qla_edif_app_authfail - authentication by app has failed. Driver is given * notice to tear down current session. * @vha: host adapter pointer * @bsg_job: user request */ static int qla_edif_app_authfail(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { int32_t rval = 0; struct auth_complete_cmd appplogifail; struct fc_bsg_reply *bsg_reply = bsg_job->reply; fc_port_t *fcport = NULL; port_id_t portid = {0}; ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app auth fail\n", __func__); sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &appplogifail, sizeof(struct auth_complete_cmd)); /* * TODO: edif: app has failed this plogi. Inform driver to * take any action (if any). */ switch (appplogifail.type) { case PL_TYPE_WWPN: fcport = qla2x00_find_fcport_by_wwpn(vha, appplogifail.u.wwpn, 0); SET_DID_STATUS(bsg_reply->result, DID_OK); break; case PL_TYPE_DID: fcport = qla2x00_find_fcport_by_pid(vha, &appplogifail.u.d_id); if (!fcport) ql_dbg(ql_dbg_edif, vha, 0x911d, "%s d_id lookup failed: %x\n", __func__, portid.b24); SET_DID_STATUS(bsg_reply->result, DID_OK); break; default: ql_dbg(ql_dbg_edif, vha, 0x911e, "%s undefined type: %x\n", __func__, appplogifail.type); bsg_job->reply_len = sizeof(struct fc_bsg_reply); SET_DID_STATUS(bsg_reply->result, DID_ERROR); rval = -1; break; } ql_dbg(ql_dbg_edif, vha, 0x911d, "%s fcport is 0x%p\n", __func__, fcport); if (fcport) { /* set/reset edif values and flags */ ql_dbg(ql_dbg_edif, vha, 0x911e, "%s reset the auth process - %8phC, loopid=%x portid=%06x.\n", __func__, fcport->port_name, fcport->loop_id, fcport->d_id.b24); if (qla_ini_mode_enabled(fcport->vha)) { fcport->send_els_logo = 1; qla_edif_reset_auth_wait(fcport, DSC_LOGIN_PEND, 0); } } return rval; } /** * qla_edif_app_getfcinfo - app would like to read session info (wwpn, nportid, * [initiator|target] mode. It can specific session with specific nport id or * all sessions. * @vha: host adapter pointer * @bsg_job: user request pointer */ static int qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { int32_t rval = 0; int32_t num_cnt; struct fc_bsg_reply *bsg_reply = bsg_job->reply; struct app_pinfo_req app_req; struct app_pinfo_reply *app_reply; port_id_t tdid; ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app get fcinfo\n", __func__); sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &app_req, sizeof(struct app_pinfo_req)); num_cnt = app_req.num_ports; /* num of ports alloc'd by app */ app_reply = kzalloc((sizeof(struct app_pinfo_reply) + sizeof(struct app_pinfo) * num_cnt), GFP_KERNEL); if (!app_reply) { SET_DID_STATUS(bsg_reply->result, DID_ERROR); rval = -1; } else { struct fc_port *fcport = NULL, *tf; uint32_t pcnt = 0; list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { if (!(fcport->flags & FCF_FCSP_DEVICE)) continue; tdid = app_req.remote_pid; ql_dbg(ql_dbg_edif, vha, 0x2058, "APP request entry - portid=%06x.\n", tdid.b24); /* Ran out of space */ if (pcnt > app_req.num_ports) break; if (tdid.b24 != 0 && tdid.b24 != fcport->d_id.b24) continue; app_reply->ports[pcnt].rekey_count = fcport->edif.rekey_cnt; app_reply->ports[pcnt].remote_type = VND_CMD_RTYPE_UNKNOWN; if (fcport->port_type & (FCT_NVME_TARGET | FCT_TARGET)) app_reply->ports[pcnt].remote_type |= VND_CMD_RTYPE_TARGET; if (fcport->port_type & (FCT_NVME_INITIATOR | FCT_INITIATOR)) app_reply->ports[pcnt].remote_type |= VND_CMD_RTYPE_INITIATOR; app_reply->ports[pcnt].remote_pid = fcport->d_id; ql_dbg(ql_dbg_edif, vha, 0x2058, "Found FC_SP fcport - nn %8phN pn %8phN pcnt %d portid=%06x secure %d.\n", fcport->node_name, fcport->port_name, pcnt, fcport->d_id.b24, fcport->flags & FCF_FCSP_DEVICE); switch (fcport->edif.auth_state) { case VND_CMD_AUTH_STATE_ELS_RCVD: if (fcport->disc_state == DSC_LOGIN_AUTH_PEND) { fcport->edif.auth_state = VND_CMD_AUTH_STATE_NEEDED; app_reply->ports[pcnt].auth_state = VND_CMD_AUTH_STATE_NEEDED; } else { app_reply->ports[pcnt].auth_state = VND_CMD_AUTH_STATE_ELS_RCVD; } break; default: app_reply->ports[pcnt].auth_state = fcport->edif.auth_state; break; } memcpy(app_reply->ports[pcnt].remote_wwpn, fcport->port_name, 8); app_reply->ports[pcnt].remote_state = (atomic_read(&fcport->state) == FCS_ONLINE ? 1 : 0); pcnt++; if (tdid.b24 != 0) break; } app_reply->port_count = pcnt; SET_DID_STATUS(bsg_reply->result, DID_OK); } sg_copy_from_buffer(bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, app_reply, sizeof(struct app_pinfo_reply) + sizeof(struct app_pinfo) * num_cnt); kfree(app_reply); return rval; } /** * qla_edif_app_getstats - app would like to read various statistics info * @vha: host adapter pointer * @bsg_job: user request */ static int32_t qla_edif_app_getstats(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { int32_t rval = 0; struct fc_bsg_reply *bsg_reply = bsg_job->reply; uint32_t ret_size, size; struct app_sinfo_req app_req; struct app_stats_reply *app_reply; sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &app_req, sizeof(struct app_sinfo_req)); if (app_req.num_ports == 0) { ql_dbg(ql_dbg_async, vha, 0x911d, "%s app did not indicate number of ports to return\n", __func__); SET_DID_STATUS(bsg_reply->result, DID_ERROR); rval = -1; } size = sizeof(struct app_stats_reply) + (sizeof(struct app_sinfo) * app_req.num_ports); if (size > bsg_job->reply_payload.payload_len) ret_size = bsg_job->reply_payload.payload_len; else ret_size = size; app_reply = kzalloc(size, GFP_KERNEL); if (!app_reply) { SET_DID_STATUS(bsg_reply->result, DID_ERROR); rval = -1; } else { struct fc_port *fcport = NULL, *tf; uint32_t pcnt = 0; list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { if (fcport->edif.enable) { if (pcnt > app_req.num_ports) break; app_reply->elem[pcnt].rekey_count = fcport->edif.rekey_cnt; app_reply->elem[pcnt].tx_bytes = fcport->edif.tx_bytes; app_reply->elem[pcnt].rx_bytes = fcport->edif.rx_bytes; memcpy(app_reply->elem[pcnt].remote_wwpn, fcport->port_name, 8); pcnt++; } } app_reply->elem_count = pcnt; SET_DID_STATUS(bsg_reply->result, DID_OK); } bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, app_reply, ret_size); kfree(app_reply); return rval; } int32_t qla_edif_app_mgmt(struct bsg_job *bsg_job) { struct fc_bsg_request *bsg_request = bsg_job->request; struct fc_bsg_reply *bsg_reply = bsg_job->reply; struct Scsi_Host *host = fc_bsg_to_shost(bsg_job); scsi_qla_host_t *vha = shost_priv(host); struct app_id appcheck; bool done = true; int32_t rval = 0; uint32_t vnd_sc = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; ql_dbg(ql_dbg_edif, vha, 0x911d, "%s vnd subcmd=%x\n", __func__, vnd_sc); sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &appcheck, sizeof(struct app_id)); if (!vha->hw->flags.edif_enabled || test_bit(VPORT_DELETE, &vha->dpc_flags)) { ql_dbg(ql_dbg_edif, vha, 0x911d, "%s edif not enabled or vp delete. bsg ptr done %p. dpc_flags %lx\n", __func__, bsg_job, vha->dpc_flags); SET_DID_STATUS(bsg_reply->result, DID_ERROR); goto done; } if (!qla_edif_app_check(vha, appcheck)) { ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app checked failed.\n", __func__); bsg_job->reply_len = sizeof(struct fc_bsg_reply); SET_DID_STATUS(bsg_reply->result, DID_ERROR); goto done; } switch (vnd_sc) { case QL_VND_SC_SA_UPDATE: done = false; rval = qla24xx_sadb_update(bsg_job); break; case QL_VND_SC_APP_START: rval = qla_edif_app_start(vha, bsg_job); break; case QL_VND_SC_APP_STOP: rval = qla_edif_app_stop(vha, bsg_job); break; case QL_VND_SC_AUTH_OK: rval = qla_edif_app_authok(vha, bsg_job); break; case QL_VND_SC_AUTH_FAIL: rval = qla_edif_app_authfail(vha, bsg_job); break; case QL_VND_SC_GET_FCINFO: rval = qla_edif_app_getfcinfo(vha, bsg_job); break; case QL_VND_SC_GET_STATS: rval = qla_edif_app_getstats(vha, bsg_job); break; default: ql_dbg(ql_dbg_edif, vha, 0x911d, "%s unknown cmd=%x\n", __func__, bsg_request->rqst_data.h_vendor.vendor_cmd[1]); rval = EXT_STATUS_INVALID_PARAM; bsg_job->reply_len = sizeof(struct fc_bsg_reply); SET_DID_STATUS(bsg_reply->result, DID_ERROR); break; } done: if (done) { ql_dbg(ql_dbg_user, vha, 0x7009, "%s: %d bsg ptr done %p\n", __func__, __LINE__, bsg_job); bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); } return rval; } static struct edif_sa_ctl * qla_edif_add_sa_ctl(fc_port_t *fcport, struct qla_sa_update_frame *sa_frame, int dir) { struct edif_sa_ctl *sa_ctl; struct qla_sa_update_frame *sap; int index = sa_frame->fast_sa_index; unsigned long flags = 0; sa_ctl = kzalloc(sizeof(*sa_ctl), GFP_KERNEL); if (!sa_ctl) { /* couldn't get space */ ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, "unable to allocate SA CTL\n"); return NULL; } /* * need to allocate sa_index here and save it * in both sa_ctl->index and sa_frame->fast_sa_index; * If alloc fails then delete sa_ctl and return NULL */ INIT_LIST_HEAD(&sa_ctl->next); sap = &sa_ctl->sa_frame; *sap = *sa_frame; sa_ctl->index = index; sa_ctl->fcport = fcport; sa_ctl->flags = 0; sa_ctl->state = 0L; ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, "%s: Added sa_ctl %p, index %d, state 0x%lx\n", __func__, sa_ctl, sa_ctl->index, sa_ctl->state); spin_lock_irqsave(&fcport->edif.sa_list_lock, flags); if (dir == SAU_FLG_TX) list_add_tail(&sa_ctl->next, &fcport->edif.tx_sa_list); else list_add_tail(&sa_ctl->next, &fcport->edif.rx_sa_list); spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags); return sa_ctl; } void qla_edif_flush_sa_ctl_lists(fc_port_t *fcport) { struct edif_sa_ctl *sa_ctl, *tsa_ctl; unsigned long flags = 0; spin_lock_irqsave(&fcport->edif.sa_list_lock, flags); list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.tx_sa_list, next) { list_del(&sa_ctl->next); kfree(sa_ctl); } list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.rx_sa_list, next) { list_del(&sa_ctl->next); kfree(sa_ctl); } spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags); } struct edif_sa_ctl * qla_edif_find_sa_ctl_by_index(fc_port_t *fcport, int index, int dir) { struct edif_sa_ctl *sa_ctl, *tsa_ctl; struct list_head *sa_list; if (dir == SAU_FLG_TX) sa_list = &fcport->edif.tx_sa_list; else sa_list = &fcport->edif.rx_sa_list; list_for_each_entry_safe(sa_ctl, tsa_ctl, sa_list, next) { if (test_bit(EDIF_SA_CTL_USED, &sa_ctl->state) && sa_ctl->index == index) return sa_ctl; } return NULL; } /* add the sa to the correct list */ static int qla24xx_check_sadb_avail_slot(struct bsg_job *bsg_job, fc_port_t *fcport, struct qla_sa_update_frame *sa_frame) { struct edif_sa_ctl *sa_ctl = NULL; int dir; uint16_t sa_index; dir = (sa_frame->flags & SAU_FLG_TX); /* map the spi to an sa_index */ sa_index = qla_edif_sadb_get_sa_index(fcport, sa_frame); if (sa_index == RX_DELETE_NO_EDIF_SA_INDEX) { /* process rx delete */ ql_dbg(ql_dbg_edif, fcport->vha, 0x3063, "%s: rx delete for lid 0x%x, spi 0x%x, no entry found\n", __func__, fcport->loop_id, sa_frame->spi); /* build and send the aen */ fcport->edif.rx_sa_set = 1; fcport->edif.rx_sa_pending = 0; qla_edb_eventcreate(fcport->vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, QL_VND_SA_STAT_SUCCESS, QL_VND_RX_SA_KEY, fcport); /* force a return of good bsg status; */ return RX_DELETE_NO_EDIF_SA_INDEX; } else if (sa_index == INVALID_EDIF_SA_INDEX) { ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, "%s: Failed to get sa_index for spi 0x%x, dir: %d\n", __func__, sa_frame->spi, dir); return INVALID_EDIF_SA_INDEX; } ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, "%s: index %d allocated to spi 0x%x, dir: %d, nport_handle: 0x%x\n", __func__, sa_index, sa_frame->spi, dir, fcport->loop_id); /* This is a local copy of sa_frame. */ sa_frame->fast_sa_index = sa_index; /* create the sa_ctl */ sa_ctl = qla_edif_add_sa_ctl(fcport, sa_frame, dir); if (!sa_ctl) { ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, "%s: Failed to add sa_ctl for spi 0x%x, dir: %d, sa_index: %d\n", __func__, sa_frame->spi, dir, sa_index); return -1; } set_bit(EDIF_SA_CTL_USED, &sa_ctl->state); if (dir == SAU_FLG_TX) fcport->edif.tx_rekey_cnt++; else fcport->edif.rx_rekey_cnt++; ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, "%s: Found sa_ctl %p, index %d, state 0x%lx, tx_cnt %d, rx_cnt %d, nport_handle: 0x%x\n", __func__, sa_ctl, sa_ctl->index, sa_ctl->state, fcport->edif.tx_rekey_cnt, fcport->edif.rx_rekey_cnt, fcport->loop_id); return 0; } #define QLA_SA_UPDATE_FLAGS_RX_KEY 0x0 #define QLA_SA_UPDATE_FLAGS_TX_KEY 0x2 int qla24xx_sadb_update(struct bsg_job *bsg_job) { struct fc_bsg_reply *bsg_reply = bsg_job->reply; struct Scsi_Host *host = fc_bsg_to_shost(bsg_job); scsi_qla_host_t *vha = shost_priv(host); fc_port_t *fcport = NULL; srb_t *sp = NULL; struct edif_list_entry *edif_entry = NULL; int found = 0; int rval = 0; int result = 0; struct qla_sa_update_frame sa_frame; struct srb_iocb *iocb_cmd; ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d, "%s entered, vha: 0x%p\n", __func__, vha); sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, &sa_frame, sizeof(struct qla_sa_update_frame)); /* Check if host is online */ if (!vha->flags.online) { ql_log(ql_log_warn, vha, 0x70a1, "Host is not online\n"); rval = -EIO; SET_DID_STATUS(bsg_reply->result, DID_ERROR); goto done; } if (vha->e_dbell.db_flags != EDB_ACTIVE) { ql_log(ql_log_warn, vha, 0x70a1, "App not started\n"); rval = -EIO; SET_DID_STATUS(bsg_reply->result, DID_ERROR); goto done; } fcport = qla2x00_find_fcport_by_pid(vha, &sa_frame.port_id); if (fcport) { found = 1; if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_TX_KEY) fcport->edif.tx_bytes = 0; if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_RX_KEY) fcport->edif.rx_bytes = 0; } if (!found) { ql_dbg(ql_dbg_edif, vha, 0x70a3, "Failed to find port= %06x\n", sa_frame.port_id.b24); rval = -EINVAL; SET_DID_STATUS(bsg_reply->result, DID_TARGET_FAILURE); goto done; } /* make sure the nport_handle is valid */ if (fcport->loop_id == FC_NO_LOOP_ID) { ql_dbg(ql_dbg_edif, vha, 0x70e1, "%s: %8phN lid=FC_NO_LOOP_ID, spi: 0x%x, DS %d, returning NO_CONNECT\n", __func__, fcport->port_name, sa_frame.spi, fcport->disc_state); rval = -EINVAL; SET_DID_STATUS(bsg_reply->result, DID_NO_CONNECT); goto done; } /* allocate and queue an sa_ctl */ result = qla24xx_check_sadb_avail_slot(bsg_job, fcport, &sa_frame); /* failure of bsg */ if (result == INVALID_EDIF_SA_INDEX) { ql_dbg(ql_dbg_edif, vha, 0x70e1, "%s: %8phN, skipping update.\n", __func__, fcport->port_name); rval = -EINVAL; SET_DID_STATUS(bsg_reply->result, DID_ERROR); goto done; /* rx delete failure */ } else if (result == RX_DELETE_NO_EDIF_SA_INDEX) { ql_dbg(ql_dbg_edif, vha, 0x70e1, "%s: %8phN, skipping rx delete.\n", __func__, fcport->port_name); SET_DID_STATUS(bsg_reply->result, DID_OK); goto done; } ql_dbg(ql_dbg_edif, vha, 0x70e1, "%s: %8phN, sa_index in sa_frame: %d flags %xh\n", __func__, fcport->port_name, sa_frame.fast_sa_index, sa_frame.flags); /* looking for rx index and delete */ if (((sa_frame.flags & SAU_FLG_TX) == 0) && (sa_frame.flags & SAU_FLG_INV)) { uint16_t nport_handle = fcport->loop_id; uint16_t sa_index = sa_frame.fast_sa_index; /* * make sure we have an existing rx key, otherwise just process * this as a straight delete just like TX * This is NOT a normal case, it indicates an error recovery or key cleanup * by the ipsec code above us. */ edif_entry = qla_edif_list_find_sa_index(fcport, fcport->loop_id); if (!edif_entry) { ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: WARNING: no active sa_index for nport_handle 0x%x, forcing delete for sa_index 0x%x\n", __func__, fcport->loop_id, sa_index); goto force_rx_delete; } /* * if we have a forced delete for rx, remove the sa_index from the edif list * and proceed with normal delete. The rx delay timer should not be running */ if ((sa_frame.flags & SAU_FLG_FORCE_DELETE) == SAU_FLG_FORCE_DELETE) { qla_edif_list_delete_sa_index(fcport, edif_entry); ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: FORCE DELETE flag found for nport_handle 0x%x, sa_index 0x%x, forcing DELETE\n", __func__, fcport->loop_id, sa_index); kfree(edif_entry); goto force_rx_delete; } /* * delayed rx delete * * if delete_sa_index is not invalid then there is already * a delayed index in progress, return bsg bad status */ if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) { struct edif_sa_ctl *sa_ctl; ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: delete for lid 0x%x, delete_sa_index %d is pending\n", __func__, edif_entry->handle, edif_entry->delete_sa_index); /* free up the sa_ctl that was allocated with the sa_index */ sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, sa_index, (sa_frame.flags & SAU_FLG_TX)); if (sa_ctl) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: freeing sa_ctl for index %d\n", __func__, sa_ctl->index); qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index); } /* release the sa_index */ ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: freeing sa_index %d, nph: 0x%x\n", __func__, sa_index, nport_handle); qla_edif_sadb_delete_sa_index(fcport, nport_handle, sa_index); rval = -EINVAL; SET_DID_STATUS(bsg_reply->result, DID_ERROR); goto done; } fcport->edif.rekey_cnt++; /* configure and start the rx delay timer */ edif_entry->fcport = fcport; edif_entry->timer.expires = jiffies + RX_DELAY_DELETE_TIMEOUT * HZ; ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: adding timer, entry: %p, delete sa_index %d, lid 0x%x to edif_list\n", __func__, edif_entry, sa_index, nport_handle); /* * Start the timer when we queue the delayed rx delete. * This is an activity timer that goes off if we have not * received packets with the new sa_index */ add_timer(&edif_entry->timer); /* * sa_delete for rx key with an active rx key including this one * add the delete rx sa index to the hash so we can look for it * in the rsp queue. Do this after making any changes to the * edif_entry as part of the rx delete. */ ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: delete sa_index %d, lid 0x%x to edif_list. bsg done ptr %p\n", __func__, sa_index, nport_handle, bsg_job); edif_entry->delete_sa_index = sa_index; bsg_job->reply_len = sizeof(struct fc_bsg_reply); bsg_reply->result = DID_OK << 16; goto done; /* * rx index and update * add the index to the list and continue with normal update */ } else if (((sa_frame.flags & SAU_FLG_TX) == 0) && ((sa_frame.flags & SAU_FLG_INV) == 0)) { /* sa_update for rx key */ uint32_t nport_handle = fcport->loop_id; uint16_t sa_index = sa_frame.fast_sa_index; int result; /* * add the update rx sa index to the hash so we can look for it * in the rsp queue and continue normally */ ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: adding update sa_index %d, lid 0x%x to edif_list\n", __func__, sa_index, nport_handle); result = qla_edif_list_add_sa_update_index(fcport, sa_index, nport_handle); if (result) { ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: SA_UPDATE failed to add new sa index %d to list for lid 0x%x\n", __func__, sa_index, nport_handle); } } if (sa_frame.flags & SAU_FLG_GMAC_MODE) fcport->edif.aes_gmac = 1; else fcport->edif.aes_gmac = 0; force_rx_delete: /* * sa_update for both rx and tx keys, sa_delete for tx key * immediately process the request */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { rval = -ENOMEM; SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); goto done; } sp->type = SRB_SA_UPDATE; sp->name = "bsg_sa_update"; sp->u.bsg_job = bsg_job; /* sp->free = qla2x00_bsg_sp_free; */ sp->free = qla2x00_rel_sp; sp->done = qla2x00_bsg_job_done; iocb_cmd = &sp->u.iocb_cmd; iocb_cmd->u.sa_update.sa_frame = sa_frame; rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { ql_log(ql_dbg_edif, vha, 0x70e3, "qla2x00_start_sp failed=%d.\n", rval); qla2x00_rel_sp(sp); rval = -EIO; SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); goto done; } ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: %s sent, hdl=%x, portid=%06x.\n", __func__, sp->name, sp->handle, fcport->d_id.b24); fcport->edif.rekey_cnt++; bsg_job->reply_len = sizeof(struct fc_bsg_reply); SET_DID_STATUS(bsg_reply->result, DID_OK); return 0; /* * send back error status */ done: bsg_job->reply_len = sizeof(struct fc_bsg_reply); ql_dbg(ql_dbg_edif, vha, 0x911d, "%s:status: FAIL, result: 0x%x, bsg ptr done %p\n", __func__, bsg_reply->result, bsg_job); bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); return 0; } static void qla_enode_free(scsi_qla_host_t *vha, struct enode *node) { node->ntype = N_UNDEF; kfree(node); } /** * qla_enode_init - initialize enode structs & lock * @vha: host adapter pointer * * should only be called when driver attaching */ void qla_enode_init(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; char name[32]; if (vha->pur_cinfo.enode_flags == ENODE_ACTIVE) { /* list still active - error */ ql_dbg(ql_dbg_edif, vha, 0x09102, "%s enode still active\n", __func__); return; } /* initialize lock which protects pur_core & init list */ spin_lock_init(&vha->pur_cinfo.pur_lock); INIT_LIST_HEAD(&vha->pur_cinfo.head); snprintf(name, sizeof(name), "%s_%d_purex", QLA2XXX_DRIVER_NAME, ha->pdev->device); } /** * qla_enode_stop - stop and clear and enode data * @vha: host adapter pointer * * called when app notified it is exiting */ void qla_enode_stop(scsi_qla_host_t *vha) { unsigned long flags; struct enode *node, *q; if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) { /* doorbell list not enabled */ ql_dbg(ql_dbg_edif, vha, 0x09102, "%s enode not active\n", __func__); return; } /* grab lock so list doesn't move */ spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags); vha->pur_cinfo.enode_flags &= ~ENODE_ACTIVE; /* mark it not active */ /* hopefully this is a null list at this point */ list_for_each_entry_safe(node, q, &vha->pur_cinfo.head, list) { ql_dbg(ql_dbg_edif, vha, 0x910f, "%s freeing enode type=%x, cnt=%x\n", __func__, node->ntype, node->dinfo.nodecnt); list_del_init(&node->list); qla_enode_free(vha, node); } spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags); } /* * allocate enode struct and populate buffer * returns: enode pointer with buffers * NULL on error */ static struct enode * qla_enode_alloc(scsi_qla_host_t *vha, uint32_t ntype) { struct enode *node; struct purexevent *purex; node = kzalloc(RX_ELS_SIZE, GFP_ATOMIC); if (!node) return NULL; purex = &node->u.purexinfo; purex->msgp = (u8 *)(node + 1); purex->msgp_len = ELS_MAX_PAYLOAD; node->ntype = ntype; INIT_LIST_HEAD(&node->list); return node; } static void qla_enode_add(scsi_qla_host_t *vha, struct enode *ptr) { unsigned long flags; ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x9109, "%s add enode for type=%x, cnt=%x\n", __func__, ptr->ntype, ptr->dinfo.nodecnt); spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags); list_add_tail(&ptr->list, &vha->pur_cinfo.head); spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags); return; } static struct enode * qla_enode_find(scsi_qla_host_t *vha, uint32_t ntype, uint32_t p1, uint32_t p2) { struct enode *node_rtn = NULL; struct enode *list_node = NULL; unsigned long flags; struct list_head *pos, *q; uint32_t sid; uint32_t rw_flag; struct purexevent *purex; /* secure the list from moving under us */ spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags); list_for_each_safe(pos, q, &vha->pur_cinfo.head) { list_node = list_entry(pos, struct enode, list); /* node type determines what p1 and p2 are */ purex = &list_node->u.purexinfo; sid = p1; rw_flag = p2; if (purex->pur_info.pur_sid.b24 == sid) { if (purex->pur_info.pur_pend == 1 && rw_flag == PUR_GET) { /* * if the receive is in progress * and its a read/get then can't * transfer yet */ ql_dbg(ql_dbg_edif, vha, 0x9106, "%s purex xfer in progress for sid=%x\n", __func__, sid); } else { /* found it and its complete */ node_rtn = list_node; list_del(pos); break; } } } spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags); return node_rtn; } /** * qla_pur_get_pending - read/return authentication message sent * from remote port * @vha: host adapter pointer * @fcport: session pointer * @bsg_job: user request where the message is copy to. */ static int qla_pur_get_pending(scsi_qla_host_t *vha, fc_port_t *fcport, struct bsg_job *bsg_job) { struct enode *ptr; struct purexevent *purex; struct qla_bsg_auth_els_reply *rpl = (struct qla_bsg_auth_els_reply *)bsg_job->reply; bsg_job->reply_len = sizeof(*rpl); ptr = qla_enode_find(vha, N_PUREX, fcport->d_id.b24, PUR_GET); if (!ptr) { ql_dbg(ql_dbg_edif, vha, 0x9111, "%s no enode data found for %8phN sid=%06x\n", __func__, fcport->port_name, fcport->d_id.b24); SET_DID_STATUS(rpl->r.result, DID_IMM_RETRY); return -EIO; } /* * enode is now off the linked list and is ours to deal with */ purex = &ptr->u.purexinfo; /* Copy info back to caller */ rpl->rx_xchg_address = purex->pur_info.pur_rx_xchg_address; SET_DID_STATUS(rpl->r.result, DID_OK); rpl->r.reply_payload_rcv_len = sg_pcopy_from_buffer(bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, purex->msgp, purex->pur_info.pur_bytes_rcvd, 0); /* data copy / passback completed - destroy enode */ qla_enode_free(vha, ptr); return 0; } /* it is assume qpair lock is held */ static int qla_els_reject_iocb(scsi_qla_host_t *vha, struct qla_qpair *qp, struct qla_els_pt_arg *a) { struct els_entry_24xx *els_iocb; els_iocb = __qla2x00_alloc_iocbs(qp, NULL); if (!els_iocb) { ql_log(ql_log_warn, vha, 0x700c, "qla2x00_alloc_iocbs failed.\n"); return QLA_FUNCTION_FAILED; } qla_els_pt_iocb(vha, els_iocb, a); ql_dbg(ql_dbg_edif, vha, 0x0183, "Sending ELS reject...\n"); ql_dump_buffer(ql_dbg_edif + ql_dbg_verbose, vha, 0x0185, vha->hw->elsrej.c, sizeof(*vha->hw->elsrej.c)); /* flush iocb to mem before notifying hw doorbell */ wmb(); qla2x00_start_iocbs(vha, qp->req); return 0; } void qla_edb_init(scsi_qla_host_t *vha) { if (vha->e_dbell.db_flags == EDB_ACTIVE) { /* list already init'd - error */ ql_dbg(ql_dbg_edif, vha, 0x09102, "edif db already initialized, cannot reinit\n"); return; } /* initialize lock which protects doorbell & init list */ spin_lock_init(&vha->e_dbell.db_lock); INIT_LIST_HEAD(&vha->e_dbell.head); /* create and initialize doorbell */ init_completion(&vha->e_dbell.dbell); } static void qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node) { /* * releases the space held by this edb node entry * this function does _not_ free the edb node itself * NB: the edb node entry passed should not be on any list * * currently for doorbell there's no additional cleanup * needed, but here as a placeholder for furture use. */ if (!node) { ql_dbg(ql_dbg_edif, vha, 0x09122, "%s error - no valid node passed\n", __func__); return; } node->ntype = N_UNDEF; } /* function called when app is stopping */ void qla_edb_stop(scsi_qla_host_t *vha) { unsigned long flags; struct edb_node *node, *q; if (vha->e_dbell.db_flags != EDB_ACTIVE) { /* doorbell list not enabled */ ql_dbg(ql_dbg_edif, vha, 0x09102, "%s doorbell not enabled\n", __func__); return; } /* grab lock so list doesn't move */ spin_lock_irqsave(&vha->e_dbell.db_lock, flags); vha->e_dbell.db_flags &= ~EDB_ACTIVE; /* mark it not active */ /* hopefully this is a null list at this point */ list_for_each_entry_safe(node, q, &vha->e_dbell.head, list) { ql_dbg(ql_dbg_edif, vha, 0x910f, "%s freeing edb_node type=%x\n", __func__, node->ntype); qla_edb_node_free(vha, node); list_del(&node->list); kfree(node); } spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); /* wake up doorbell waiters - they'll be dismissed with error code */ complete_all(&vha->e_dbell.dbell); } static struct edb_node * qla_edb_node_alloc(scsi_qla_host_t *vha, uint32_t ntype) { struct edb_node *node; node = kzalloc(sizeof(*node), GFP_ATOMIC); if (!node) { /* couldn't get space */ ql_dbg(ql_dbg_edif, vha, 0x9100, "edb node unable to be allocated\n"); return NULL; } node->ntype = ntype; INIT_LIST_HEAD(&node->list); return node; } /* adds a already allocated enode to the linked list */ static bool qla_edb_node_add(scsi_qla_host_t *vha, struct edb_node *ptr) { unsigned long flags; if (vha->e_dbell.db_flags != EDB_ACTIVE) { /* doorbell list not enabled */ ql_dbg(ql_dbg_edif, vha, 0x09102, "%s doorbell not enabled\n", __func__); return false; } spin_lock_irqsave(&vha->e_dbell.db_lock, flags); list_add_tail(&ptr->list, &vha->e_dbell.head); spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); /* ring doorbell for waiters */ complete(&vha->e_dbell.dbell); return true; } /* adds event to doorbell list */ void qla_edb_eventcreate(scsi_qla_host_t *vha, uint32_t dbtype, uint32_t data, uint32_t data2, fc_port_t *sfcport) { struct edb_node *edbnode; fc_port_t *fcport = sfcport; port_id_t id; if (!vha->hw->flags.edif_enabled) { /* edif not enabled */ return; } if (vha->e_dbell.db_flags != EDB_ACTIVE) { if (fcport) fcport->edif.auth_state = dbtype; /* doorbell list not enabled */ ql_dbg(ql_dbg_edif, vha, 0x09102, "%s doorbell not enabled (type=%d\n", __func__, dbtype); return; } edbnode = qla_edb_node_alloc(vha, dbtype); if (!edbnode) { ql_dbg(ql_dbg_edif, vha, 0x09102, "%s unable to alloc db node\n", __func__); return; } if (!fcport) { id.b.domain = (data >> 16) & 0xff; id.b.area = (data >> 8) & 0xff; id.b.al_pa = data & 0xff; ql_dbg(ql_dbg_edif, vha, 0x09222, "%s: Arrived s_id: %06x\n", __func__, id.b24); fcport = qla2x00_find_fcport_by_pid(vha, &id); if (!fcport) { ql_dbg(ql_dbg_edif, vha, 0x09102, "%s can't find fcport for sid= 0x%x - ignoring\n", __func__, id.b24); kfree(edbnode); return; } } /* populate the edb node */ switch (dbtype) { case VND_CMD_AUTH_STATE_NEEDED: case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: edbnode->u.plogi_did.b24 = fcport->d_id.b24; break; case VND_CMD_AUTH_STATE_ELS_RCVD: edbnode->u.els_sid.b24 = fcport->d_id.b24; break; case VND_CMD_AUTH_STATE_SAUPDATE_COMPL: edbnode->u.sa_aen.port_id = fcport->d_id; edbnode->u.sa_aen.status = data; edbnode->u.sa_aen.key_type = data2; break; default: ql_dbg(ql_dbg_edif, vha, 0x09102, "%s unknown type: %x\n", __func__, dbtype); qla_edb_node_free(vha, edbnode); kfree(edbnode); edbnode = NULL; break; } if (edbnode && (!qla_edb_node_add(vha, edbnode))) { ql_dbg(ql_dbg_edif, vha, 0x09102, "%s unable to add dbnode\n", __func__); qla_edb_node_free(vha, edbnode); kfree(edbnode); return; } if (edbnode && fcport) fcport->edif.auth_state = dbtype; ql_dbg(ql_dbg_edif, vha, 0x09102, "%s Doorbell produced : type=%d %p\n", __func__, dbtype, edbnode); } static struct edb_node * qla_edb_getnext(scsi_qla_host_t *vha) { unsigned long flags; struct edb_node *edbnode = NULL; spin_lock_irqsave(&vha->e_dbell.db_lock, flags); /* db nodes are fifo - no qualifications done */ if (!list_empty(&vha->e_dbell.head)) { edbnode = list_first_entry(&vha->e_dbell.head, struct edb_node, list); list_del(&edbnode->list); } spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); return edbnode; } void qla_edif_timer(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; if (!vha->vp_idx && N2N_TOPO(ha) && ha->flags.n2n_fw_acc_sec) { if (vha->e_dbell.db_flags != EDB_ACTIVE && ha->edif_post_stop_cnt_down) { ha->edif_post_stop_cnt_down--; /* * turn off auto 'Plogi Acc + secure=1' feature * Set Add FW option[3] * BIT_15, if. */ if (ha->edif_post_stop_cnt_down == 0) { ql_dbg(ql_dbg_async, vha, 0x911d, "%s chip reset to turn off PLOGI ACC + secure\n", __func__); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); } } else { ha->edif_post_stop_cnt_down = 60; } } } /* * app uses separate thread to read this. It'll wait until the doorbell * is rung by the driver or the max wait time has expired */ ssize_t edif_doorbell_show(struct device *dev, struct device_attribute *attr, char *buf) { scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); struct edb_node *dbnode = NULL; struct edif_app_dbell *ap = (struct edif_app_dbell *)buf; uint32_t dat_siz, buf_size, sz; /* TODO: app currently hardcoded to 256. Will transition to bsg */ sz = 256; /* stop new threads from waiting if we're not init'd */ if (vha->e_dbell.db_flags != EDB_ACTIVE) { ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122, "%s error - edif db not enabled\n", __func__); return 0; } if (!vha->hw->flags.edif_enabled) { /* edif not enabled */ ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122, "%s error - edif not enabled\n", __func__); return -1; } buf_size = 0; while ((sz - buf_size) >= sizeof(struct edb_node)) { /* remove the next item from the doorbell list */ dat_siz = 0; dbnode = qla_edb_getnext(vha); if (dbnode) { ap->event_code = dbnode->ntype; switch (dbnode->ntype) { case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: case VND_CMD_AUTH_STATE_NEEDED: ap->port_id = dbnode->u.plogi_did; dat_siz += sizeof(ap->port_id); break; case VND_CMD_AUTH_STATE_ELS_RCVD: ap->port_id = dbnode->u.els_sid; dat_siz += sizeof(ap->port_id); break; case VND_CMD_AUTH_STATE_SAUPDATE_COMPL: ap->port_id = dbnode->u.sa_aen.port_id; memcpy(ap->event_data, &dbnode->u, sizeof(struct edif_sa_update_aen)); dat_siz += sizeof(struct edif_sa_update_aen); break; default: /* unknown node type, rtn unknown ntype */ ap->event_code = VND_CMD_AUTH_STATE_UNDEF; memcpy(ap->event_data, &dbnode->ntype, 4); dat_siz += 4; break; } ql_dbg(ql_dbg_edif, vha, 0x09102, "%s Doorbell consumed : type=%d %p\n", __func__, dbnode->ntype, dbnode); /* we're done with the db node, so free it up */ qla_edb_node_free(vha, dbnode); kfree(dbnode); } else { break; } ap->event_data_size = dat_siz; /* 8bytes = ap->event_code + ap->event_data_size */ buf_size += dat_siz + 8; ap = (struct edif_app_dbell *)(buf + buf_size); } return buf_size; } static void qla_noop_sp_done(srb_t *sp, int res) { sp->free(sp); } /* * Called from work queue * build and send the sa_update iocb to delete an rx sa_index */ int qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) { srb_t *sp; fc_port_t *fcport = NULL; struct srb_iocb *iocb_cmd = NULL; int rval = QLA_SUCCESS; struct edif_sa_ctl *sa_ctl = e->u.sa_update.sa_ctl; uint16_t nport_handle = e->u.sa_update.nport_handle; ql_dbg(ql_dbg_edif, vha, 0x70e6, "%s: starting, sa_ctl: %p\n", __func__, sa_ctl); if (!sa_ctl) { ql_dbg(ql_dbg_edif, vha, 0x70e6, "sa_ctl allocation failed\n"); return -ENOMEM; } fcport = sa_ctl->fcport; /* Alloc SRB structure */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { ql_dbg(ql_dbg_edif, vha, 0x70e6, "SRB allocation failed\n"); return -ENOMEM; } fcport->flags |= FCF_ASYNC_SENT; iocb_cmd = &sp->u.iocb_cmd; iocb_cmd->u.sa_update.sa_ctl = sa_ctl; ql_dbg(ql_dbg_edif, vha, 0x3073, "Enter: SA REPL portid=%06x, sa_ctl %p, index %x, nport_handle: 0x%x\n", fcport->d_id.b24, sa_ctl, sa_ctl->index, nport_handle); /* * if this is a sadb cleanup delete, mark it so the isr can * take the correct action */ if (sa_ctl->flags & EDIF_SA_CTL_FLG_CLEANUP_DEL) { /* mark this srb as a cleanup delete */ sp->flags |= SRB_EDIF_CLEANUP_DELETE; ql_dbg(ql_dbg_edif, vha, 0x70e6, "%s: sp 0x%p flagged as cleanup delete\n", __func__, sp); } sp->type = SRB_SA_REPLACE; sp->name = "SA_REPLACE"; sp->fcport = fcport; sp->free = qla2x00_rel_sp; sp->done = qla_noop_sp_done; rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) rval = QLA_FUNCTION_FAILED; return rval; } void qla24xx_sa_update_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb) { int itr = 0; struct scsi_qla_host *vha = sp->vha; struct qla_sa_update_frame *sa_frame = &sp->u.iocb_cmd.u.sa_update.sa_frame; u8 flags = 0; switch (sa_frame->flags & (SAU_FLG_INV | SAU_FLG_TX)) { case 0: ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: EDIF SA UPDATE RX IOCB vha: 0x%p index: %d\n", __func__, vha, sa_frame->fast_sa_index); break; case 1: ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: EDIF SA DELETE RX IOCB vha: 0x%p index: %d\n", __func__, vha, sa_frame->fast_sa_index); flags |= SA_FLAG_INVALIDATE; break; case 2: ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: EDIF SA UPDATE TX IOCB vha: 0x%p index: %d\n", __func__, vha, sa_frame->fast_sa_index); flags |= SA_FLAG_TX; break; case 3: ql_dbg(ql_dbg_edif, vha, 0x911d, "%s: EDIF SA DELETE TX IOCB vha: 0x%p index: %d\n", __func__, vha, sa_frame->fast_sa_index); flags |= SA_FLAG_TX | SA_FLAG_INVALIDATE; break; } sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE; sa_update_iocb->entry_count = 1; sa_update_iocb->sys_define = 0; sa_update_iocb->entry_status = 0; sa_update_iocb->handle = sp->handle; sa_update_iocb->u.nport_handle = cpu_to_le16(sp->fcport->loop_id); sa_update_iocb->vp_index = sp->fcport->vha->vp_idx; sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area; sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain; sa_update_iocb->flags = flags; sa_update_iocb->salt = cpu_to_le32(sa_frame->salt); sa_update_iocb->spi = cpu_to_le32(sa_frame->spi); sa_update_iocb->sa_index = cpu_to_le16(sa_frame->fast_sa_index); sa_update_iocb->sa_control |= SA_CNTL_ENC_FCSP; if (sp->fcport->edif.aes_gmac) sa_update_iocb->sa_control |= SA_CNTL_AES_GMAC; if (sa_frame->flags & SAU_FLG_KEY256) { sa_update_iocb->sa_control |= SA_CNTL_KEY256; for (itr = 0; itr < 32; itr++) sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr]; } else { sa_update_iocb->sa_control |= SA_CNTL_KEY128; for (itr = 0; itr < 16; itr++) sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr]; } ql_dbg(ql_dbg_edif, vha, 0x921d, "%s SAU Port ID = %02x%02x%02x, flags=%xh, index=%u, ctl=%xh, SPI 0x%x flags 0x%x hdl=%x gmac %d\n", __func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1], sa_update_iocb->port_id[0], sa_update_iocb->flags, sa_update_iocb->sa_index, sa_update_iocb->sa_control, sa_update_iocb->spi, sa_frame->flags, sp->handle, sp->fcport->edif.aes_gmac); if (sa_frame->flags & SAU_FLG_TX) sp->fcport->edif.tx_sa_pending = 1; else sp->fcport->edif.rx_sa_pending = 1; sp->fcport->vha->qla_stats.control_requests++; } void qla24xx_sa_replace_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb) { struct scsi_qla_host *vha = sp->vha; struct srb_iocb *srb_iocb = &sp->u.iocb_cmd; struct edif_sa_ctl *sa_ctl = srb_iocb->u.sa_update.sa_ctl; uint16_t nport_handle = sp->fcport->loop_id; sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE; sa_update_iocb->entry_count = 1; sa_update_iocb->sys_define = 0; sa_update_iocb->entry_status = 0; sa_update_iocb->handle = sp->handle; sa_update_iocb->u.nport_handle = cpu_to_le16(nport_handle); sa_update_iocb->vp_index = sp->fcport->vha->vp_idx; sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area; sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain; /* Invalidate the index. salt, spi, control & key are ignore */ sa_update_iocb->flags = SA_FLAG_INVALIDATE; sa_update_iocb->salt = 0; sa_update_iocb->spi = 0; sa_update_iocb->sa_index = cpu_to_le16(sa_ctl->index); sa_update_iocb->sa_control = 0; ql_dbg(ql_dbg_edif, vha, 0x921d, "%s SAU DELETE RX Port ID = %02x:%02x:%02x, lid %d flags=%xh, index=%u, hdl=%x\n", __func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1], sa_update_iocb->port_id[0], nport_handle, sa_update_iocb->flags, sa_update_iocb->sa_index, sp->handle); sp->fcport->vha->qla_stats.control_requests++; } void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp) { struct purex_entry_24xx *p = *pkt; struct enode *ptr; int sid; u16 totlen; struct purexevent *purex; struct scsi_qla_host *host = NULL; int rc; struct fc_port *fcport; struct qla_els_pt_arg a; be_id_t beid; memset(&a, 0, sizeof(a)); a.els_opcode = ELS_AUTH_ELS; a.nport_handle = p->nport_handle; a.rx_xchg_address = p->rx_xchg_addr; a.did.b.domain = p->s_id[2]; a.did.b.area = p->s_id[1]; a.did.b.al_pa = p->s_id[0]; a.tx_byte_count = a.tx_len = sizeof(struct fc_els_ls_rjt); a.tx_addr = vha->hw->elsrej.cdma; a.vp_idx = vha->vp_idx; a.control_flags = EPD_ELS_RJT; sid = p->s_id[0] | (p->s_id[1] << 8) | (p->s_id[2] << 16); totlen = (le16_to_cpu(p->frame_size) & 0x0fff) - PURX_ELS_HEADER_SIZE; if (le16_to_cpu(p->status_flags) & 0x8000) { totlen = le16_to_cpu(p->trunc_frame_size); qla_els_reject_iocb(vha, (*rsp)->qpair, &a); __qla_consume_iocb(vha, pkt, rsp); return; } if (totlen > MAX_PAYLOAD) { ql_dbg(ql_dbg_edif, vha, 0x0910d, "%s WARNING: verbose ELS frame received (totlen=%x)\n", __func__, totlen); qla_els_reject_iocb(vha, (*rsp)->qpair, &a); __qla_consume_iocb(vha, pkt, rsp); return; } if (!vha->hw->flags.edif_enabled) { /* edif support not enabled */ ql_dbg(ql_dbg_edif, vha, 0x910e, "%s edif not enabled\n", __func__); qla_els_reject_iocb(vha, (*rsp)->qpair, &a); __qla_consume_iocb(vha, pkt, rsp); return; } ptr = qla_enode_alloc(vha, N_PUREX); if (!ptr) { ql_dbg(ql_dbg_edif, vha, 0x09109, "WARNING: enode alloc failed for sid=%x\n", sid); qla_els_reject_iocb(vha, (*rsp)->qpair, &a); __qla_consume_iocb(vha, pkt, rsp); return; } purex = &ptr->u.purexinfo; purex->pur_info.pur_sid = a.did; purex->pur_info.pur_pend = 0; purex->pur_info.pur_bytes_rcvd = totlen; purex->pur_info.pur_rx_xchg_address = le32_to_cpu(p->rx_xchg_addr); purex->pur_info.pur_nphdl = le16_to_cpu(p->nport_handle); purex->pur_info.pur_did.b.domain = p->d_id[2]; purex->pur_info.pur_did.b.area = p->d_id[1]; purex->pur_info.pur_did.b.al_pa = p->d_id[0]; purex->pur_info.vp_idx = p->vp_idx; rc = __qla_copy_purex_to_buffer(vha, pkt, rsp, purex->msgp, purex->msgp_len); if (rc) { qla_els_reject_iocb(vha, (*rsp)->qpair, &a); qla_enode_free(vha, ptr); return; } beid.al_pa = purex->pur_info.pur_did.b.al_pa; beid.area = purex->pur_info.pur_did.b.area; beid.domain = purex->pur_info.pur_did.b.domain; host = qla_find_host_by_d_id(vha, beid); if (!host) { ql_log(ql_log_fatal, vha, 0x508b, "%s Drop ELS due to unable to find host %06x\n", __func__, purex->pur_info.pur_did.b24); qla_els_reject_iocb(vha, (*rsp)->qpair, &a); qla_enode_free(vha, ptr); return; } fcport = qla2x00_find_fcport_by_pid(host, &purex->pur_info.pur_sid); if (host->e_dbell.db_flags != EDB_ACTIVE || (fcport && EDIF_SESSION_DOWN(fcport))) { ql_dbg(ql_dbg_edif, host, 0x0910c, "%s e_dbell.db_flags =%x %06x\n", __func__, host->e_dbell.db_flags, fcport ? fcport->d_id.b24 : 0); qla_els_reject_iocb(host, (*rsp)->qpair, &a); qla_enode_free(host, ptr); return; } /* add the local enode to the list */ qla_enode_add(host, ptr); ql_dbg(ql_dbg_edif, host, 0x0910c, "%s COMPLETE purex->pur_info.pur_bytes_rcvd =%xh s:%06x -> d:%06x xchg=%xh\n", __func__, purex->pur_info.pur_bytes_rcvd, purex->pur_info.pur_sid.b24, purex->pur_info.pur_did.b24, p->rx_xchg_addr); qla_edb_eventcreate(host, VND_CMD_AUTH_STATE_ELS_RCVD, sid, 0, NULL); } static uint16_t qla_edif_get_sa_index_from_freepool(fc_port_t *fcport, int dir) { struct scsi_qla_host *vha = fcport->vha; struct qla_hw_data *ha = vha->hw; void *sa_id_map; unsigned long flags = 0; u16 sa_index; ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, "%s: entry\n", __func__); if (dir) sa_id_map = ha->edif_tx_sa_id_map; else sa_id_map = ha->edif_rx_sa_id_map; spin_lock_irqsave(&ha->sadb_fp_lock, flags); sa_index = find_first_zero_bit(sa_id_map, EDIF_NUM_SA_INDEX); if (sa_index >= EDIF_NUM_SA_INDEX) { spin_unlock_irqrestore(&ha->sadb_fp_lock, flags); return INVALID_EDIF_SA_INDEX; } set_bit(sa_index, sa_id_map); spin_unlock_irqrestore(&ha->sadb_fp_lock, flags); if (dir) sa_index += EDIF_TX_SA_INDEX_BASE; ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: index retrieved from free pool %d\n", __func__, sa_index); return sa_index; } /* find an sadb entry for an nport_handle */ static struct edif_sa_index_entry * qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle, struct list_head *sa_list) { struct edif_sa_index_entry *entry; struct edif_sa_index_entry *tentry; struct list_head *indx_list = sa_list; list_for_each_entry_safe(entry, tentry, indx_list, next) { if (entry->handle == nport_handle) return entry; } return NULL; } /* remove an sa_index from the nport_handle and return it to the free pool */ static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle, uint16_t sa_index) { struct edif_sa_index_entry *entry; struct list_head *sa_list; int dir = (sa_index < EDIF_TX_SA_INDEX_BASE) ? 0 : 1; int slot = 0; int free_slot_count = 0; scsi_qla_host_t *vha = fcport->vha; struct qla_hw_data *ha = vha->hw; unsigned long flags = 0; ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: entry\n", __func__); if (dir) sa_list = &ha->sadb_tx_index_list; else sa_list = &ha->sadb_rx_index_list; entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list); if (!entry) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: no entry found for nport_handle 0x%x\n", __func__, nport_handle); return -1; } spin_lock_irqsave(&ha->sadb_lock, flags); /* * each tx/rx direction has up to 2 sa indexes/slots. 1 slot for in flight traffic * the other is use at re-key time. */ for (slot = 0; slot < 2; slot++) { if (entry->sa_pair[slot].sa_index == sa_index) { entry->sa_pair[slot].sa_index = INVALID_EDIF_SA_INDEX; entry->sa_pair[slot].spi = 0; free_slot_count++; qla_edif_add_sa_index_to_freepool(fcport, dir, sa_index); } else if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) { free_slot_count++; } } if (free_slot_count == 2) { list_del(&entry->next); kfree(entry); } spin_unlock_irqrestore(&ha->sadb_lock, flags); ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: sa_index %d removed, free_slot_count: %d\n", __func__, sa_index, free_slot_count); return 0; } void qla28xx_sa_update_iocb_entry(scsi_qla_host_t *v, struct req_que *req, struct sa_update_28xx *pkt) { const char *func = "SA_UPDATE_RESPONSE_IOCB"; srb_t *sp; struct edif_sa_ctl *sa_ctl; int old_sa_deleted = 1; uint16_t nport_handle; struct scsi_qla_host *vha; sp = qla2x00_get_sp_from_handle(v, func, req, pkt); if (!sp) { ql_dbg(ql_dbg_edif, v, 0x3063, "%s: no sp found for pkt\n", __func__); return; } /* use sp->vha due to npiv */ vha = sp->vha; switch (pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) { case 0: ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: EDIF SA UPDATE RX IOCB vha: 0x%p index: %d\n", __func__, vha, pkt->sa_index); break; case 1: ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: EDIF SA DELETE RX IOCB vha: 0x%p index: %d\n", __func__, vha, pkt->sa_index); break; case 2: ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: EDIF SA UPDATE TX IOCB vha: 0x%p index: %d\n", __func__, vha, pkt->sa_index); break; case 3: ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: EDIF SA DELETE TX IOCB vha: 0x%p index: %d\n", __func__, vha, pkt->sa_index); break; } /* * dig the nport handle out of the iocb, fcport->loop_id can not be trusted * to be correct during cleanup sa_update iocbs. */ nport_handle = sp->fcport->loop_id; ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: %8phN comp status=%x old_sa_info=%x new_sa_info=%x lid %d, index=0x%x pkt_flags %xh hdl=%x\n", __func__, sp->fcport->port_name, pkt->u.comp_sts, pkt->old_sa_info, pkt->new_sa_info, nport_handle, pkt->sa_index, pkt->flags, sp->handle); /* if rx delete, remove the timer */ if ((pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) == SA_FLAG_INVALIDATE) { struct edif_list_entry *edif_entry; sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); edif_entry = qla_edif_list_find_sa_index(sp->fcport, nport_handle); if (edif_entry) { ql_dbg(ql_dbg_edif, vha, 0x5033, "%s: removing edif_entry %p, new sa_index: 0x%x\n", __func__, edif_entry, pkt->sa_index); qla_edif_list_delete_sa_index(sp->fcport, edif_entry); del_timer(&edif_entry->timer); ql_dbg(ql_dbg_edif, vha, 0x5033, "%s: releasing edif_entry %p, new sa_index: 0x%x\n", __func__, edif_entry, pkt->sa_index); kfree(edif_entry); } } /* * if this is a delete for either tx or rx, make sure it succeeded. * The new_sa_info field should be 0xffff on success */ if (pkt->flags & SA_FLAG_INVALIDATE) old_sa_deleted = (le16_to_cpu(pkt->new_sa_info) == 0xffff) ? 1 : 0; /* Process update and delete the same way */ /* If this is an sadb cleanup delete, bypass sending events to IPSEC */ if (sp->flags & SRB_EDIF_CLEANUP_DELETE) { sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: nph 0x%x, sa_index %d removed from fw\n", __func__, sp->fcport->loop_id, pkt->sa_index); } else if ((pkt->entry_status == 0) && (pkt->u.comp_sts == 0) && old_sa_deleted) { /* * Note: Wa are only keeping track of latest SA, * so we know when we can start enableing encryption per I/O. * If all SA's get deleted, let FW reject the IOCB. * TODO: edif: don't set enabled here I think * TODO: edif: prli complete is where it should be set */ ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, "SA(%x)updated for s_id %02x%02x%02x\n", pkt->new_sa_info, pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]); sp->fcport->edif.enable = 1; if (pkt->flags & SA_FLAG_TX) { sp->fcport->edif.tx_sa_set = 1; sp->fcport->edif.tx_sa_pending = 0; qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, QL_VND_SA_STAT_SUCCESS, QL_VND_TX_SA_KEY, sp->fcport); } else { sp->fcport->edif.rx_sa_set = 1; sp->fcport->edif.rx_sa_pending = 0; qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, QL_VND_SA_STAT_SUCCESS, QL_VND_RX_SA_KEY, sp->fcport); } } else { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: %8phN SA update FAILED: sa_index: %d, new_sa_info %d, %02x%02x%02x\n", __func__, sp->fcport->port_name, pkt->sa_index, pkt->new_sa_info, pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]); if (pkt->flags & SA_FLAG_TX) qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, (le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED, QL_VND_TX_SA_KEY, sp->fcport); else qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, (le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED, QL_VND_RX_SA_KEY, sp->fcport); } /* for delete, release sa_ctl, sa_index */ if (pkt->flags & SA_FLAG_INVALIDATE) { /* release the sa_ctl */ sa_ctl = qla_edif_find_sa_ctl_by_index(sp->fcport, le16_to_cpu(pkt->sa_index), (pkt->flags & SA_FLAG_TX)); if (sa_ctl && qla_edif_find_sa_ctl_by_index(sp->fcport, sa_ctl->index, (pkt->flags & SA_FLAG_TX)) != NULL) { ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, "%s: freeing sa_ctl for index %d\n", __func__, sa_ctl->index); qla_edif_free_sa_ctl(sp->fcport, sa_ctl, sa_ctl->index); } else { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: sa_ctl NOT freed, sa_ctl: %p\n", __func__, sa_ctl); } ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: freeing sa_index %d, nph: 0x%x\n", __func__, le16_to_cpu(pkt->sa_index), nport_handle); qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle, le16_to_cpu(pkt->sa_index)); /* * check for a failed sa_update and remove * the sadb entry. */ } else if (pkt->u.comp_sts) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: freeing sa_index %d, nph: 0x%x\n", __func__, pkt->sa_index, nport_handle); qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle, le16_to_cpu(pkt->sa_index)); switch (le16_to_cpu(pkt->u.comp_sts)) { case CS_PORT_EDIF_UNAVAIL: case CS_PORT_EDIF_LOGOUT: qlt_schedule_sess_for_deletion(sp->fcport); break; default: break; } } sp->done(sp, 0); } /** * qla28xx_start_scsi_edif() - Send a SCSI type 6 command to the ISP * @sp: command to send to the ISP * * Return: non-zero if a failure occurred, else zero. */ int qla28xx_start_scsi_edif(srb_t *sp) { int nseg; unsigned long flags; struct scsi_cmnd *cmd; uint32_t *clr_ptr; uint32_t index, i; uint32_t handle; uint16_t cnt; int16_t req_cnt; uint16_t tot_dsds; __be32 *fcp_dl; uint8_t additional_cdb_len; struct ct6_dsd *ctx; struct scsi_qla_host *vha = sp->vha; struct qla_hw_data *ha = vha->hw; struct cmd_type_6 *cmd_pkt; struct dsd64 *cur_dsd; uint8_t avail_dsds = 0; struct scatterlist *sg; struct req_que *req = sp->qpair->req; spinlock_t *lock = sp->qpair->qp_lock_ptr; /* Setup device pointers. */ cmd = GET_CMD_SP(sp); /* So we know we haven't pci_map'ed anything yet */ tot_dsds = 0; /* Send marker if required */ if (vha->marker_needed != 0) { if (qla2x00_marker(vha, sp->qpair, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x300c, "qla2x00_marker failed for cmd=%p.\n", cmd); return QLA_FUNCTION_FAILED; } vha->marker_needed = 0; } /* Acquire ring specific lock */ spin_lock_irqsave(lock, flags); /* Check for room in outstanding command list. */ handle = req->current_outstanding_cmd; for (index = 1; index < req->num_outstanding_cmds; index++) { handle++; if (handle == req->num_outstanding_cmds) handle = 1; if (!req->outstanding_cmds[handle]) break; } if (index == req->num_outstanding_cmds) goto queuing_error; /* Map the sg table so we have an accurate count of sg entries needed */ if (scsi_sg_count(cmd)) { nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), scsi_sg_count(cmd), cmd->sc_data_direction); if (unlikely(!nseg)) goto queuing_error; } else { nseg = 0; } tot_dsds = nseg; req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); if (req->cnt < (req_cnt + 2)) { cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : rd_reg_dword(req->req_q_out); if (req->ring_index < cnt) req->cnt = cnt - req->ring_index; else req->cnt = req->length - (req->ring_index - cnt); if (req->cnt < (req_cnt + 2)) goto queuing_error; } ctx = sp->u.scmd.ct6_ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); if (!ctx) { ql_log(ql_log_fatal, vha, 0x3010, "Failed to allocate ctx for cmd=%p.\n", cmd); goto queuing_error; } memset(ctx, 0, sizeof(struct ct6_dsd)); ctx->fcp_cmnd = dma_pool_zalloc(ha->fcp_cmnd_dma_pool, GFP_ATOMIC, &ctx->fcp_cmnd_dma); if (!ctx->fcp_cmnd) { ql_log(ql_log_fatal, vha, 0x3011, "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd); goto queuing_error; } /* Initialize the DSD list and dma handle */ INIT_LIST_HEAD(&ctx->dsd_list); ctx->dsd_use_cnt = 0; if (cmd->cmd_len > 16) { additional_cdb_len = cmd->cmd_len - 16; if ((cmd->cmd_len % 4) != 0) { /* * SCSI command bigger than 16 bytes must be * multiple of 4 */ ql_log(ql_log_warn, vha, 0x3012, "scsi cmd len %d not multiple of 4 for cmd=%p.\n", cmd->cmd_len, cmd); goto queuing_error_fcp_cmnd; } ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; } else { additional_cdb_len = 0; ctx->fcp_cmnd_len = 12 + 16 + 4; } cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; cmd_pkt->handle = make_handle(req->id, handle); /* * Zero out remaining portion of packet. * tagged queuing modifier -- default is TSK_SIMPLE (0). */ clr_ptr = (uint32_t *)cmd_pkt + 2; memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); /* No data transfer */ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { cmd_pkt->byte_count = cpu_to_le32(0); goto no_dsds; } /* Set transfer direction */ if (cmd->sc_data_direction == DMA_TO_DEVICE) { cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA); vha->qla_stats.output_bytes += scsi_bufflen(cmd); vha->qla_stats.output_requests++; sp->fcport->edif.tx_bytes += scsi_bufflen(cmd); } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA); vha->qla_stats.input_bytes += scsi_bufflen(cmd); vha->qla_stats.input_requests++; sp->fcport->edif.rx_bytes += scsi_bufflen(cmd); } cmd_pkt->control_flags |= cpu_to_le16(CF_EN_EDIF); cmd_pkt->control_flags &= ~(cpu_to_le16(CF_NEW_SA)); /* One DSD is available in the Command Type 6 IOCB */ avail_dsds = 1; cur_dsd = &cmd_pkt->fcp_dsd; /* Load data segments */ scsi_for_each_sg(cmd, sg, tot_dsds, i) { dma_addr_t sle_dma; cont_a64_entry_t *cont_pkt; /* Allocate additional continuation packets? */ if (avail_dsds == 0) { /* * Five DSDs are available in the Continuation * Type 1 IOCB. */ cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req); cur_dsd = cont_pkt->dsd; avail_dsds = 5; } sle_dma = sg_dma_address(sg); put_unaligned_le64(sle_dma, &cur_dsd->address); cur_dsd->length = cpu_to_le32(sg_dma_len(sg)); cur_dsd++; avail_dsds--; } no_dsds: /* Set NPORT-ID and LUN number*/ cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; cmd_pkt->vp_index = sp->vha->vp_idx; cmd_pkt->entry_type = COMMAND_TYPE_6; /* Set total data segment count. */ cmd_pkt->entry_count = (uint8_t)req_cnt; int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); /* build FCP_CMND IU */ int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun); ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; if (cmd->sc_data_direction == DMA_TO_DEVICE) ctx->fcp_cmnd->additional_cdb_len |= 1; else if (cmd->sc_data_direction == DMA_FROM_DEVICE) ctx->fcp_cmnd->additional_cdb_len |= 2; /* Populate the FCP_PRIO. */ if (ha->flags.fcp_prio_enabled) ctx->fcp_cmnd->task_attribute |= sp->fcport->fcp_prio << 3; memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); fcp_dl = (__be32 *)(ctx->fcp_cmnd->cdb + 16 + additional_cdb_len); *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); put_unaligned_le64(ctx->fcp_cmnd_dma, &cmd_pkt->fcp_cmnd_dseg_address); sp->flags |= SRB_FCP_CMND_DMA_VALID; cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); /* Set total data segment count. */ cmd_pkt->entry_count = (uint8_t)req_cnt; cmd_pkt->entry_status = 0; /* Build command packet. */ req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; sp->handle = handle; cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; /* Adjust ring index. */ wmb(); req->ring_index++; if (req->ring_index == req->length) { req->ring_index = 0; req->ring_ptr = req->ring; } else { req->ring_ptr++; } sp->qpair->cmd_cnt++; /* Set chip new ring index. */ wrt_reg_dword(req->req_q_in, req->ring_index); spin_unlock_irqrestore(lock, flags); return QLA_SUCCESS; queuing_error_fcp_cmnd: dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); queuing_error: if (tot_dsds) scsi_dma_unmap(cmd); if (sp->u.scmd.ct6_ctx) { mempool_free(sp->u.scmd.ct6_ctx, ha->ctx_mempool); sp->u.scmd.ct6_ctx = NULL; } spin_unlock_irqrestore(lock, flags); return QLA_FUNCTION_FAILED; } /********************************************** * edif update/delete sa_index list functions * **********************************************/ /* clear the edif_indx_list for this port */ void qla_edif_list_del(fc_port_t *fcport) { struct edif_list_entry *indx_lst; struct edif_list_entry *tindx_lst; struct list_head *indx_list = &fcport->edif.edif_indx_list; unsigned long flags = 0; spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); list_for_each_entry_safe(indx_lst, tindx_lst, indx_list, next) { list_del(&indx_lst->next); kfree(indx_lst); } spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); } /****************** * SADB functions * ******************/ /* allocate/retrieve an sa_index for a given spi */ static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport, struct qla_sa_update_frame *sa_frame) { struct edif_sa_index_entry *entry; struct list_head *sa_list; uint16_t sa_index; int dir = sa_frame->flags & SAU_FLG_TX; int slot = 0; int free_slot = -1; scsi_qla_host_t *vha = fcport->vha; struct qla_hw_data *ha = vha->hw; unsigned long flags = 0; uint16_t nport_handle = fcport->loop_id; ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: entry fc_port: %p, nport_handle: 0x%x\n", __func__, fcport, nport_handle); if (dir) sa_list = &ha->sadb_tx_index_list; else sa_list = &ha->sadb_rx_index_list; entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list); if (!entry) { if ((sa_frame->flags & (SAU_FLG_TX | SAU_FLG_INV)) == SAU_FLG_INV) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: rx delete request with no entry\n", __func__); return RX_DELETE_NO_EDIF_SA_INDEX; } /* if there is no entry for this nport, add one */ entry = kzalloc((sizeof(struct edif_sa_index_entry)), GFP_ATOMIC); if (!entry) return INVALID_EDIF_SA_INDEX; sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir); if (sa_index == INVALID_EDIF_SA_INDEX) { kfree(entry); return INVALID_EDIF_SA_INDEX; } INIT_LIST_HEAD(&entry->next); entry->handle = nport_handle; entry->fcport = fcport; entry->sa_pair[0].spi = sa_frame->spi; entry->sa_pair[0].sa_index = sa_index; entry->sa_pair[1].spi = 0; entry->sa_pair[1].sa_index = INVALID_EDIF_SA_INDEX; spin_lock_irqsave(&ha->sadb_lock, flags); list_add_tail(&entry->next, sa_list); spin_unlock_irqrestore(&ha->sadb_lock, flags); ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: Created new sadb entry for nport_handle 0x%x, spi 0x%x, returning sa_index %d\n", __func__, nport_handle, sa_frame->spi, sa_index); return sa_index; } spin_lock_irqsave(&ha->sadb_lock, flags); /* see if we already have an entry for this spi */ for (slot = 0; slot < 2; slot++) { if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) { free_slot = slot; } else { if (entry->sa_pair[slot].spi == sa_frame->spi) { spin_unlock_irqrestore(&ha->sadb_lock, flags); ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: sadb slot %d entry for lid 0x%x, spi 0x%x found, sa_index %d\n", __func__, slot, entry->handle, sa_frame->spi, entry->sa_pair[slot].sa_index); return entry->sa_pair[slot].sa_index; } } } spin_unlock_irqrestore(&ha->sadb_lock, flags); /* both slots are used */ if (free_slot == -1) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: WARNING: No free slots in sadb for nport_handle 0x%x, spi: 0x%x\n", __func__, entry->handle, sa_frame->spi); ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: Slot 0 spi: 0x%x sa_index: %d, Slot 1 spi: 0x%x sa_index: %d\n", __func__, entry->sa_pair[0].spi, entry->sa_pair[0].sa_index, entry->sa_pair[1].spi, entry->sa_pair[1].sa_index); return INVALID_EDIF_SA_INDEX; } /* there is at least one free slot, use it */ sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir); if (sa_index == INVALID_EDIF_SA_INDEX) { ql_dbg(ql_dbg_edif, fcport->vha, 0x3063, "%s: empty freepool!!\n", __func__); return INVALID_EDIF_SA_INDEX; } spin_lock_irqsave(&ha->sadb_lock, flags); entry->sa_pair[free_slot].spi = sa_frame->spi; entry->sa_pair[free_slot].sa_index = sa_index; spin_unlock_irqrestore(&ha->sadb_lock, flags); ql_dbg(ql_dbg_edif, fcport->vha, 0x3063, "%s: sadb slot %d entry for nport_handle 0x%x, spi 0x%x added, returning sa_index %d\n", __func__, free_slot, entry->handle, sa_frame->spi, sa_index); return sa_index; } /* release any sadb entries -- only done at teardown */ void qla_edif_sadb_release(struct qla_hw_data *ha) { struct list_head *pos; struct list_head *tmp; struct edif_sa_index_entry *entry; list_for_each_safe(pos, tmp, &ha->sadb_rx_index_list) { entry = list_entry(pos, struct edif_sa_index_entry, next); list_del(&entry->next); kfree(entry); } list_for_each_safe(pos, tmp, &ha->sadb_tx_index_list) { entry = list_entry(pos, struct edif_sa_index_entry, next); list_del(&entry->next); kfree(entry); } } /************************** * sadb freepool functions **************************/ /* build the rx and tx sa_index free pools -- only done at fcport init */ int qla_edif_sadb_build_free_pool(struct qla_hw_data *ha) { ha->edif_tx_sa_id_map = kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL); if (!ha->edif_tx_sa_id_map) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0009, "Unable to allocate memory for sadb tx.\n"); return -ENOMEM; } ha->edif_rx_sa_id_map = kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL); if (!ha->edif_rx_sa_id_map) { kfree(ha->edif_tx_sa_id_map); ha->edif_tx_sa_id_map = NULL; ql_log_pci(ql_log_fatal, ha->pdev, 0x0009, "Unable to allocate memory for sadb rx.\n"); return -ENOMEM; } return 0; } /* release the free pool - only done during fcport teardown */ void qla_edif_sadb_release_free_pool(struct qla_hw_data *ha) { kfree(ha->edif_tx_sa_id_map); ha->edif_tx_sa_id_map = NULL; kfree(ha->edif_rx_sa_id_map); ha->edif_rx_sa_id_map = NULL; } static void __chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, fc_port_t *fcport, uint32_t handle, uint16_t sa_index) { struct edif_list_entry *edif_entry; struct edif_sa_ctl *sa_ctl; uint16_t delete_sa_index = INVALID_EDIF_SA_INDEX; unsigned long flags = 0; uint16_t nport_handle = fcport->loop_id; uint16_t cached_nport_handle; spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); edif_entry = qla_edif_list_find_sa_index(fcport, nport_handle); if (!edif_entry) { spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); return; /* no pending delete for this handle */ } /* * check for no pending delete for this index or iocb does not * match rx sa_index */ if (edif_entry->delete_sa_index == INVALID_EDIF_SA_INDEX || edif_entry->update_sa_index != sa_index) { spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); return; } /* * wait until we have seen at least EDIF_DELAY_COUNT transfers before * queueing RX delete */ if (edif_entry->count++ < EDIF_RX_DELETE_FILTER_COUNT) { spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); return; } ql_dbg(ql_dbg_edif, vha, 0x5033, "%s: invalidating delete_sa_index, update_sa_index: 0x%x sa_index: 0x%x, delete_sa_index: 0x%x\n", __func__, edif_entry->update_sa_index, sa_index, edif_entry->delete_sa_index); delete_sa_index = edif_entry->delete_sa_index; edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX; cached_nport_handle = edif_entry->handle; spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); /* sanity check on the nport handle */ if (nport_handle != cached_nport_handle) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: POST SA DELETE nport_handle mismatch: lid: 0x%x, edif_entry nph: 0x%x\n", __func__, nport_handle, cached_nport_handle); } /* find the sa_ctl for the delete and schedule the delete */ sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, delete_sa_index, 0); if (sa_ctl) { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: POST SA DELETE sa_ctl: %p, index recvd %d\n", __func__, sa_ctl, sa_index); ql_dbg(ql_dbg_edif, vha, 0x3063, "delete index %d, update index: %d, nport handle: 0x%x, handle: 0x%x\n", delete_sa_index, edif_entry->update_sa_index, nport_handle, handle); sa_ctl->flags = EDIF_SA_CTL_FLG_DEL; set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state); qla_post_sa_replace_work(fcport->vha, fcport, nport_handle, sa_ctl); } else { ql_dbg(ql_dbg_edif, vha, 0x3063, "%s: POST SA DELETE sa_ctl not found for delete_sa_index: %d\n", __func__, delete_sa_index); } } void qla_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, srb_t *sp, struct sts_entry_24xx *sts24) { fc_port_t *fcport = sp->fcport; /* sa_index used by this iocb */ struct scsi_cmnd *cmd = GET_CMD_SP(sp); uint32_t handle; handle = (uint32_t)LSW(sts24->handle); /* find out if this status iosb is for a scsi read */ if (cmd->sc_data_direction != DMA_FROM_DEVICE) return; return __chk_edif_rx_sa_delete_pending(vha, fcport, handle, le16_to_cpu(sts24->edif_sa_index)); } void qlt_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, fc_port_t *fcport, struct ctio7_from_24xx *pkt) { __chk_edif_rx_sa_delete_pending(vha, fcport, pkt->handle, le16_to_cpu(pkt->edif_sa_index)); } static void qla_parse_auth_els_ctl(struct srb *sp) { struct qla_els_pt_arg *a = &sp->u.bsg_cmd.u.els_arg; struct bsg_job *bsg_job = sp->u.bsg_cmd.bsg_job; struct fc_bsg_request *request = bsg_job->request; struct qla_bsg_auth_els_request *p = (struct qla_bsg_auth_els_request *)bsg_job->request; a->tx_len = a->tx_byte_count = sp->remap.req.len; a->tx_addr = sp->remap.req.dma; a->rx_len = a->rx_byte_count = sp->remap.rsp.len; a->rx_addr = sp->remap.rsp.dma; if (p->e.sub_cmd == SEND_ELS_REPLY) { a->control_flags = p->e.extra_control_flags << 13; a->rx_xchg_address = cpu_to_le32(p->e.extra_rx_xchg_address); if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_ACC) a->els_opcode = ELS_LS_ACC; else if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_RJT) a->els_opcode = ELS_LS_RJT; } a->did = sp->fcport->d_id; a->els_opcode = request->rqst_data.h_els.command_code; a->nport_handle = cpu_to_le16(sp->fcport->loop_id); a->vp_idx = sp->vha->vp_idx; } int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { struct fc_bsg_request *bsg_request = bsg_job->request; struct fc_bsg_reply *bsg_reply = bsg_job->reply; fc_port_t *fcport = NULL; struct qla_hw_data *ha = vha->hw; srb_t *sp; int rval = (DID_ERROR << 16); port_id_t d_id; struct qla_bsg_auth_els_request *p = (struct qla_bsg_auth_els_request *)bsg_job->request; d_id.b.al_pa = bsg_request->rqst_data.h_els.port_id[2]; d_id.b.area = bsg_request->rqst_data.h_els.port_id[1]; d_id.b.domain = bsg_request->rqst_data.h_els.port_id[0]; /* find matching d_id in fcport list */ fcport = qla2x00_find_fcport_by_pid(vha, &d_id); if (!fcport) { ql_dbg(ql_dbg_edif, vha, 0x911a, "%s fcport not find online portid=%06x.\n", __func__, d_id.b24); SET_DID_STATUS(bsg_reply->result, DID_ERROR); return -EIO; } if (qla_bsg_check(vha, bsg_job, fcport)) return 0; if (fcport->loop_id == FC_NO_LOOP_ID) { ql_dbg(ql_dbg_edif, vha, 0x910d, "%s ELS code %x, no loop id.\n", __func__, bsg_request->rqst_data.r_els.els_code); SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET); return -ENXIO; } if (!vha->flags.online) { ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n"); SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET); rval = -EIO; goto done; } /* pass through is supported only for ISP 4Gb or higher */ if (!IS_FWI2_CAPABLE(ha)) { ql_dbg(ql_dbg_user, vha, 0x7001, "ELS passthru not supported for ISP23xx based adapters.\n"); SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET); rval = -EPERM; goto done; } sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { ql_dbg(ql_dbg_user, vha, 0x7004, "Failed get sp pid=%06x\n", fcport->d_id.b24); rval = -ENOMEM; SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); goto done; } sp->remap.req.len = bsg_job->request_payload.payload_len; sp->remap.req.buf = dma_pool_alloc(ha->purex_dma_pool, GFP_KERNEL, &sp->remap.req.dma); if (!sp->remap.req.buf) { ql_dbg(ql_dbg_user, vha, 0x7005, "Failed allocate request dma len=%x\n", bsg_job->request_payload.payload_len); rval = -ENOMEM; SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); goto done_free_sp; } sp->remap.rsp.len = bsg_job->reply_payload.payload_len; sp->remap.rsp.buf = dma_pool_alloc(ha->purex_dma_pool, GFP_KERNEL, &sp->remap.rsp.dma); if (!sp->remap.rsp.buf) { ql_dbg(ql_dbg_user, vha, 0x7006, "Failed allocate response dma len=%x\n", bsg_job->reply_payload.payload_len); rval = -ENOMEM; SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); goto done_free_remap_req; } sg_copy_to_buffer(bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, sp->remap.req.buf, sp->remap.req.len); sp->remap.remapped = true; sp->type = SRB_ELS_CMD_HST_NOLOGIN; sp->name = "SPCN_BSG_HST_NOLOGIN"; sp->u.bsg_cmd.bsg_job = bsg_job; qla_parse_auth_els_ctl(sp); sp->free = qla2x00_bsg_sp_free; sp->done = qla2x00_bsg_job_done; rval = qla2x00_start_sp(sp); ql_dbg(ql_dbg_edif, vha, 0x700a, "%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n", __func__, sc_to_str(p->e.sub_cmd), fcport->port_name, p->e.extra_rx_xchg_address, p->e.extra_control_flags, sp->handle, sp->remap.req.len, bsg_job); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x700e, "qla2x00_start_sp failed = %d\n", rval); SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); rval = -EIO; goto done_free_remap_rsp; } return rval; done_free_remap_rsp: dma_pool_free(ha->purex_dma_pool, sp->remap.rsp.buf, sp->remap.rsp.dma); done_free_remap_req: dma_pool_free(ha->purex_dma_pool, sp->remap.req.buf, sp->remap.req.dma); done_free_sp: qla2x00_rel_sp(sp); done: return rval; } void qla_edif_sess_down(struct scsi_qla_host *vha, struct fc_port *sess) { if (sess->edif.app_sess_online && vha->e_dbell.db_flags & EDB_ACTIVE) { ql_dbg(ql_dbg_disc, vha, 0xf09c, "%s: sess %8phN send port_offline event\n", __func__, sess->port_name); sess->edif.app_sess_online = 0; qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SESSION_SHUTDOWN, sess->d_id.b24, 0, sess); qla2x00_post_aen_work(vha, FCH_EVT_PORT_OFFLINE, sess->d_id.b24); } }
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