// 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 "qla_gbl.h" #include <linux/delay.h> #include <linux/slab.h> #include <linux/cpu.h> #include <linux/t10-pi.h> #include <scsi/scsi_tcq.h> #include <scsi/scsi_bsg_fc.h> #include <scsi/scsi_eh.h> #include <scsi/fc/fc_fs.h> #include <linux/nvme-fc-driver.h> static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, sts_entry_t *); static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item); static struct purex_item *qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size); static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt); static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp); static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item) { … } const char *const port_state_str[] = …; #define SFP_DISABLE_LASER_INITIATED … #define SFP_ENABLE_LASER_INITIATED … static inline void display_Laser_info(scsi_qla_host_t *vha, u16 mb1, u16 mb2, u16 mb3) { … } static void qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt) { … } /** * __qla_consume_iocb - this routine is used to tell fw driver has processed * or consumed the head IOCB along with the continuation IOCB's from the * provided respond queue. * @vha: host adapter pointer * @pkt: pointer to current packet. On return, this pointer shall move * to the next packet. * @rsp: respond queue pointer. * * it is assumed pkt is the head iocb, not the continuation iocbk */ void __qla_consume_iocb(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp) { … } /** * __qla_copy_purex_to_buffer - extract ELS payload from Purex IOCB * and save to provided buffer * @vha: host adapter pointer * @pkt: pointer Purex IOCB * @rsp: respond queue * @buf: extracted ELS payload copy here * @buf_len: buffer length */ int __qla_copy_purex_to_buffer(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp, u8 *buf, u32 buf_len) { … } /** * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. * @irq: interrupt number * @dev_id: SCSI driver HA context * * Called by system whenever the host adapter generates an interrupt. * * Returns handled flag. */ irqreturn_t qla2100_intr_handler(int irq, void *dev_id) { … } bool qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) { … } bool qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) { … } /** * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. * @irq: interrupt number * @dev_id: SCSI driver HA context * * Called by system whenever the host adapter generates an interrupt. * * Returns handled flag. */ irqreturn_t qla2300_intr_handler(int irq, void *dev_id) { … } /** * qla2x00_mbx_completion() - Process mailbox command completions. * @vha: SCSI driver HA context * @mb0: Mailbox0 register */ static void qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) { … } static void qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) { … } #define LS_UNKNOWN … const char * qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) { … } static void qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) { … } /** * qla27xx_copy_multiple_pkt() - Copy over purex/purls packets that can * span over multiple IOCBs. * @vha: SCSI driver HA context * @pkt: ELS packet * @rsp: Response queue * @is_purls: True, for Unsolicited Received FC-NVMe LS rsp IOCB * false, for Unsolicited Received ELS IOCB * @byte_order: True, to change the byte ordering of iocb payload */ struct purex_item * qla27xx_copy_multiple_pkt(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp, bool is_purls, bool byte_order) { … } int qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) { … } fc_port_t * qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) { … } fc_port_t * qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) { … } fc_port_t * qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, u8 incl_deleted) { … } /* Shall be called only on supported adapters. */ static void qla27xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) { … } static struct purex_item * qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size) { … } void qla24xx_queue_purex_item(scsi_qla_host_t *vha, struct purex_item *pkt, void (*process_item)(struct scsi_qla_host *vha, struct purex_item *pkt)) { … } /** * qla24xx_copy_std_pkt() - Copy over purex ELS which is * contained in a single IOCB. * purex packet. * @vha: SCSI driver HA context * @pkt: ELS packet */ static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt) { … } /** * qla27xx_copy_fpin_pkt() - Copy over fpin packets that can * span over multiple IOCBs. * @vha: SCSI driver HA context * @pkt: ELS packet * @rsp: Response queue */ static struct purex_item * qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp) { … } /** * qla2x00_async_event() - Process aynchronous events. * @vha: SCSI driver HA context * @rsp: response queue * @mb: Mailbox registers (0 - 3) */ void qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) { … } /** * qla2x00_process_completed_request() - Process a Fast Post response. * @vha: SCSI driver HA context * @req: request queue * @index: SRB index */ void qla2x00_process_completed_request(struct scsi_qla_host *vha, struct req_que *req, uint32_t index) { … } static srb_t * qla_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, struct req_que *req, void *iocb, u16 *ret_index) { … } srb_t * qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, struct req_que *req, void *iocb) { … } static void qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct mbx_entry *mbx) { … } static void qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct mbx_24xx_entry *pkt) { … } static void qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct nack_to_isp *pkt) { … } static void qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, sts_entry_t *pkt, int iocb_type) { … } static void qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req, struct sts_entry_24xx *pkt, int iocb_type) { … } static void qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, struct logio_entry_24xx *logio) { … } static void qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) { … } static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk, srb_t *sp) { … } static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, struct vp_ctrl_entry_24xx *vce) { … } /* Process a single response queue entry. */ static void qla2x00_process_response_entry(struct scsi_qla_host *vha, struct rsp_que *rsp, sts_entry_t *pkt) { … } /** * qla2x00_process_response_queue() - Process response queue entries. * @rsp: response queue */ void qla2x00_process_response_queue(struct rsp_que *rsp) { … } static inline void qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, uint32_t sense_len, struct rsp_que *rsp, int res) { … } /* * Checks the guard or meta-data for the type of error * detected by the HBA. In case of errors, we set the * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST * to indicate to the kernel that the HBA detected error. */ static inline int qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) { … } static void qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, struct req_que *req, uint32_t index) { … } /** * qla2x00_status_entry() - Process a Status IOCB entry. * @vha: SCSI driver HA context * @rsp: response queue * @pkt: Entry pointer */ static void qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) { … } /** * qla2x00_status_cont_entry() - Process a Status Continuations entry. * @rsp: response queue * @pkt: Entry pointer * * Extended sense data. */ static void qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) { … } /** * qla2x00_error_entry() - Process an error entry. * @vha: SCSI driver HA context * @rsp: response queue * @pkt: Entry pointer * return : 1=allow further error analysis. 0=no additional error analysis. */ static int qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) { … } /** * qla24xx_mbx_completion() - Process mailbox command completions. * @vha: SCSI driver HA context * @mb0: Mailbox0 register */ static void qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) { … } static void qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct abort_entry_24xx *pkt) { … } void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, struct pt_ls4_request *pkt, struct req_que *req) { … } /** * qla_chk_cont_iocb_avail - check for all continuation iocbs are available * before iocb processing can start. * @vha: host adapter pointer * @rsp: respond queue * @pkt: head iocb describing how many continuation iocb * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived. */ static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha, struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in) { … } static void qla_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct mrk_entry_24xx *pkt) { … } /** * qla24xx_process_response_queue() - Process response queue entries. * @vha: SCSI driver HA context * @rsp: response queue */ void qla24xx_process_response_queue(struct scsi_qla_host *vha, struct rsp_que *rsp) { … } static void qla2xxx_check_risc_status(scsi_qla_host_t *vha) { … } /** * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. * @irq: interrupt number * @dev_id: SCSI driver HA context * * Called by system whenever the host adapter generates an interrupt. * * Returns handled flag. */ irqreturn_t qla24xx_intr_handler(int irq, void *dev_id) { … } static irqreturn_t qla24xx_msix_rsp_q(int irq, void *dev_id) { … } static irqreturn_t qla24xx_msix_default(int irq, void *dev_id) { … } irqreturn_t qla2xxx_msix_rsp_q(int irq, void *dev_id) { … } irqreturn_t qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) { … } /* Interrupt handling helpers. */ struct qla_init_msix_entry { … }; static const struct qla_init_msix_entry msix_entries[] = …; static const struct qla_init_msix_entry qla82xx_msix_entries[] = …; static int qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) { … } int qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) { … } void qla2x00_free_irqs(scsi_qla_host_t *vha) { … } int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, struct qla_msix_entry *msix, int vector_type) { … }
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