// SPDX-License-Identifier: GPL-2.0-only /* * QLogic Fibre Channel HBA Driver * Copyright (c) 2003-2014 QLogic Corporation */ #include "qla_def.h" #include "qla_target.h" #include <linux/blkdev.h> #include <linux/delay.h> #include <scsi/scsi_tcq.h> static int qla_start_scsi_type6(srb_t *sp); /** * qla2x00_get_cmd_direction() - Determine control_flag data direction. * @sp: SCSI command * * Returns the proper CF_* direction based on CDB. */ static inline uint16_t qla2x00_get_cmd_direction(srb_t *sp) { … } /** * qla2x00_calc_iocbs_32() - Determine number of Command Type 2 and * Continuation Type 0 IOCBs to allocate. * * @dsds: number of data segment descriptors needed * * Returns the number of IOCB entries needed to store @dsds. */ uint16_t qla2x00_calc_iocbs_32(uint16_t dsds) { … } /** * qla2x00_calc_iocbs_64() - Determine number of Command Type 3 and * Continuation Type 1 IOCBs to allocate. * * @dsds: number of data segment descriptors needed * * Returns the number of IOCB entries needed to store @dsds. */ uint16_t qla2x00_calc_iocbs_64(uint16_t dsds) { … } /** * qla2x00_prep_cont_type0_iocb() - Initialize a Continuation Type 0 IOCB. * @vha: HA context * * Returns a pointer to the Continuation Type 0 IOCB packet. */ static inline cont_entry_t * qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha) { … } /** * qla2x00_prep_cont_type1_iocb() - Initialize a Continuation Type 1 IOCB. * @vha: HA context * @req: request queue * * Returns a pointer to the continuation type 1 IOCB packet. */ cont_a64_entry_t * qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req) { … } inline int qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) { … } /* * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit * capable IOCB types. * * @sp: SRB command to process * @cmd_pkt: Command type 2 IOCB * @tot_dsds: Total number of segments to transfer */ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt, uint16_t tot_dsds) { … } /** * qla2x00_build_scsi_iocbs_64() - Build IOCB command utilizing 64bit * capable IOCB types. * * @sp: SRB command to process * @cmd_pkt: Command type 3 IOCB * @tot_dsds: Total number of segments to transfer */ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt, uint16_t tot_dsds) { … } /* * Find the first handle that is not in use, starting from * req->current_outstanding_cmd + 1. The caller must hold the lock that is * associated with @req. */ uint32_t qla2xxx_get_next_handle(struct req_que *req) { … } /** * qla2x00_start_scsi() - Send a SCSI command to the ISP * @sp: command to send to the ISP * * Returns non-zero if a failure occurred, else zero. */ int qla2x00_start_scsi(srb_t *sp) { … } /** * qla2x00_start_iocbs() - Execute the IOCB command * @vha: HA context * @req: request queue */ void qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req) { … } /** * __qla2x00_marker() - Send a marker IOCB to the firmware. * @vha: HA context * @qpair: queue pair pointer * @loop_id: loop ID * @lun: LUN * @type: marker modifier * * Can be called from both normal and interrupt context. * * Returns non-zero if a failure occurred, else zero. */ static int __qla2x00_marker(struct scsi_qla_host *vha, struct qla_qpair *qpair, uint16_t loop_id, uint64_t lun, uint8_t type) { … } int qla2x00_marker(struct scsi_qla_host *vha, struct qla_qpair *qpair, uint16_t loop_id, uint64_t lun, uint8_t type) { … } /* * qla2x00_issue_marker * * Issue marker * Caller CAN have hardware lock held as specified by ha_locked parameter. * Might release it, then reaquire. */ int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked) { … } static inline int qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, uint16_t tot_dsds) { … } /* * qla24xx_calc_dsd_lists() - Determine number of DSD list required * for Command Type 6. * * @dsds: number of data segment descriptors needed * * Returns the number of dsd list needed to store @dsds. */ static inline uint16_t qla24xx_calc_dsd_lists(uint16_t dsds) { … } /** * qla24xx_build_scsi_iocbs() - Build IOCB command utilizing Command Type 7 * IOCB types. * * @sp: SRB command to process * @cmd_pkt: Command type 3 IOCB * @tot_dsds: Total number of segments to transfer * @req: pointer to request queue */ inline void qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, uint16_t tot_dsds, struct req_que *req) { … } struct fw_dif_context { … }; /* * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command * */ static inline void qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, unsigned int protcnt) { … } int qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx, uint32_t *partial) { … } int qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, struct dsd64 *dsd, uint16_t tot_dsds, struct qla_tc_param *tc) { … } int qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, struct dsd64 *dsd, uint16_t tot_dsds, struct qla_tc_param *tc) { … } int qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, struct dsd64 *cur_dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc) { … } /** * qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command * Type 6 IOCB types. * * @sp: SRB command to process * @cmd_pkt: Command type 3 IOCB * @tot_dsds: Total number of segments to transfer * @tot_prot_dsds: Total number of segments with protection information * @fw_prot_opts: Protection options to be passed to firmware */ static inline int qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts) { … } /** * qla24xx_start_scsi() - Send a SCSI command to the ISP * @sp: command to send to the ISP * * Returns non-zero if a failure occurred, else zero. */ int qla24xx_start_scsi(srb_t *sp) { … } /** * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP * @sp: command to send to the ISP * * Returns non-zero if a failure occurred, else zero. */ int qla24xx_dif_start_scsi(srb_t *sp) { … } /** * qla2xxx_start_scsi_mq() - Send a SCSI command to the ISP * @sp: command to send to the ISP * * Returns non-zero if a failure occurred, else zero. */ static int qla2xxx_start_scsi_mq(srb_t *sp) { … } /** * qla2xxx_dif_start_scsi_mq() - Send a SCSI command to the ISP * @sp: command to send to the ISP * * Returns non-zero if a failure occurred, else zero. */ int qla2xxx_dif_start_scsi_mq(srb_t *sp) { … } /* Generic Control-SRB manipulation functions. */ /* hardware_lock assumed to be held. */ void * __qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp) { … } void * qla2x00_alloc_iocbs_ready(struct qla_qpair *qpair, srb_t *sp) { … } void * qla2x00_alloc_iocbs(struct scsi_qla_host *vha, srb_t *sp) { … } static void qla24xx_prli_iocb(srb_t *sp, struct logio_entry_24xx *logio) { … } static void qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio) { … } static void qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx) { … } static void qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio) { … } static void qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx) { … } static void qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio) { … } static void qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx) { … } static void qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) { … } static void qla2x00_async_done(struct srb *sp, int res) { … } void qla2x00_sp_release(struct kref *kref) { … } void qla2x00_init_async_sp(srb_t *sp, unsigned long tmo, void (*done)(struct srb *sp, int res)) { … } static void qla2x00_els_dcmd_sp_free(srb_t *sp) { … } static void qla2x00_els_dcmd_iocb_timeout(void *data) { … } static void qla2x00_els_dcmd_sp_done(srb_t *sp, int res) { … } int qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, port_id_t remote_did) { … } static void qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) { … } void qla2x00_els_dcmd2_iocb_timeout(void *data) { … } void qla2x00_els_dcmd2_free(scsi_qla_host_t *vha, struct els_plogi *els_plogi) { … } static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) { … } int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, fc_port_t *fcport) { … } /* it is assume qpair lock is held */ void qla_els_pt_iocb(struct scsi_qla_host *vha, struct els_entry_24xx *els_iocb, struct qla_els_pt_arg *a) { … } static void qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) { … } static void qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) { … } static void qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) { … } /* * qla82xx_start_scsi() - Send a SCSI command to the ISP * @sp: command to send to the ISP * * Returns non-zero if a failure occurred, else zero. */ int qla82xx_start_scsi(srb_t *sp) { … } static void qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb) { … } static void qla2x00_mb_iocb(srb_t *sp, struct mbx_24xx_entry *mbx) { … } static void qla2x00_ctpthru_cmd_iocb(srb_t *sp, struct ct_entry_24xx *ct_pkt) { … } static void qla2x00_send_notify_ack_iocb(srb_t *sp, struct nack_to_isp *nack) { … } /* * Build NVME LS request */ static void qla_nvme_ls(srb_t *sp, struct pt_ls4_request *cmd_pkt) { … } static void qla25xx_ctrlvp_iocb(srb_t *sp, struct vp_ctrl_entry_24xx *vce) { … } static void qla24xx_prlo_iocb(srb_t *sp, struct logio_entry_24xx *logio) { … } static int qla_get_iocbs_resource(struct srb *sp) { … } static void qla_marker_iocb(srb_t *sp, struct mrk_entry_24xx *mrk) { … } int qla2x00_start_sp(srb_t *sp) { … } static void qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha, struct cmd_bidir *cmd_pkt, uint32_t tot_dsds) { … } int qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds) { … } /** * qla_start_scsi_type6() - Send a SCSI command to the ISP * @sp: command to send to the ISP * * Returns non-zero if a failure occurred, else zero. */ static int qla_start_scsi_type6(srb_t *sp) { … }
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