// 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 { … }; static struct els_sub_cmd { … } sc_str[] = …; const char *sc_to_str(uint16_t cmd) { … } static struct edb_node *qla_edb_getnext(scsi_qla_host_t *vha) { … } static void qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node) { … } static struct edif_list_entry *qla_edif_list_find_sa_index(fc_port_t *fcport, uint16_t handle) { … } /* timeout called when no traffic and delayed rx sa_index delete */ static void qla2x00_sa_replace_iocb_timeout(struct timer_list *t) { … } /* * 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) { … } /* remove an entry from the list */ static void qla_edif_list_delete_sa_index(fc_port_t *fcport, struct edif_list_entry *entry) { … } 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) { … } static void qla_edif_sa_ctl_init(scsi_qla_host_t *vha, struct fc_port *fcport) { … } static int qla_bsg_check(scsi_qla_host_t *vha, struct bsg_job *bsg_job, fc_port_t *fcport) { … } fc_port_t * qla2x00_find_fcport_by_pid(scsi_qla_host_t *vha, port_id_t *id) { … } /** * 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) { … } static void qla_edif_free_sa_ctl(fc_port_t *fcport, struct edif_sa_ctl *sa_ctl, int index) { … } /* 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) { … } static void __qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport, struct edif_sa_index_entry *entry, int pdir) { … } /* find an release all outstanding sadb sa_indicies */ void qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport) { … } /** * qla_delete_n2n_sess_and_wait: search for N2N session, tear it down and * wait for tear down to complete. In N2N topology, there is only one * session being active in tracking the remote device. * @vha: host adapter pointer * return code: 0 - found the session and completed the tear down. * 1 - timeout occurred. Caller to use link bounce to reset. */ static int qla_delete_n2n_sess_and_wait(scsi_qla_host_t *vha) { … } /** * 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) { … } /** * 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) { … } static int qla_edif_app_chk_sa_update(scsi_qla_host_t *vha, fc_port_t *fcport, struct app_plogi_reply *appplogireply) { … } /** * 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) { … } /** * 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) { … } /** * 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) { … } /** * 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) { … } static int32_t qla_edif_ack(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { … } static int qla_edif_consume_dbell(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { … } static void __qla_edif_dbell_bsg_done(scsi_qla_host_t *vha, struct bsg_job *bsg_job, u32 delay) { … } static void qla_edif_dbell_bsg_done(scsi_qla_host_t *vha) { … } static int qla_edif_dbell_bsg(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { … } int32_t qla_edif_app_mgmt(struct bsg_job *bsg_job) { … } static struct edif_sa_ctl * qla_edif_add_sa_ctl(fc_port_t *fcport, struct qla_sa_update_frame *sa_frame, int dir) { … } void qla_edif_flush_sa_ctl_lists(fc_port_t *fcport) { … } struct edif_sa_ctl * qla_edif_find_sa_ctl_by_index(fc_port_t *fcport, int index, int dir) { … } /* 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) { … } #define QLA_SA_UPDATE_FLAGS_RX_KEY … #define QLA_SA_UPDATE_FLAGS_TX_KEY … #define EDIF_MSLEEP_INTERVAL … #define EDIF_RETRY_COUNT … int qla24xx_sadb_update(struct bsg_job *bsg_job) { … } static void qla_enode_free(scsi_qla_host_t *vha, struct enode *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) { … } /** * 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) { … } static void qla_enode_clear(scsi_qla_host_t *vha, port_id_t portid) { … } /* * 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) { … } static void qla_enode_add(scsi_qla_host_t *vha, struct enode *ptr) { … } static struct enode * qla_enode_find(scsi_qla_host_t *vha, uint32_t ntype, uint32_t p1, uint32_t p2) { … } /** * 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) { … } /* 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) { … } void qla_edb_init(scsi_qla_host_t *vha) { … } static void qla_edb_clear(scsi_qla_host_t *vha, port_id_t portid) { … } /* function called when app is stopping */ void qla_edb_stop(scsi_qla_host_t *vha) { … } static struct edb_node * qla_edb_node_alloc(scsi_qla_host_t *vha, uint32_t ntype) { … } /* adds a already allocated enode to the linked list */ static bool qla_edb_node_add(scsi_qla_host_t *vha, struct edb_node *ptr) { … } /* 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) { … } void qla_edif_timer(scsi_qla_host_t *vha) { … } static void qla_noop_sp_done(srb_t *sp, int res) { … } /* * 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) { … } void qla24xx_sa_update_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb) { … } void qla24xx_sa_replace_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb) { … } void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp) { … } static uint16_t qla_edif_get_sa_index_from_freepool(fc_port_t *fcport, int dir) { … } /* 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) { … } /* 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) { … } void qla28xx_sa_update_iocb_entry(scsi_qla_host_t *v, struct req_que *req, struct sa_update_28xx *pkt) { … } /** * 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) { … } /********************************************** * edif update/delete sa_index list functions * **********************************************/ /* clear the edif_indx_list for this port */ void qla_edif_list_del(fc_port_t *fcport) { … } /****************** * 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) { … } /* release any sadb entries -- only done at teardown */ void qla_edif_sadb_release(struct qla_hw_data *ha) { … } /************************** * 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) { … } /* release the free pool - only done during fcport teardown */ void qla_edif_sadb_release_free_pool(struct qla_hw_data *ha) { … } static void __chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, fc_port_t *fcport, uint32_t handle, uint16_t sa_index) { … } void qla_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, srb_t *sp, struct sts_entry_24xx *sts24) { … } void qlt_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, fc_port_t *fcport, struct ctio7_from_24xx *pkt) { … } static void qla_parse_auth_els_ctl(struct srb *sp) { … } int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) { … } void qla_edif_sess_down(struct scsi_qla_host *vha, struct fc_port *sess) { … } void qla_edif_clear_appdata(struct scsi_qla_host *vha, struct fc_port *fcport) { … }
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