/* * QLogic Fibre Channel HBA Driver * Copyright (c) 2003-2017 QLogic Corporation * * See LICENSE.qla2xxx for copyright and licensing details. */ #ifndef __QLA_NVME_H #define __QLA_NVME_H #include <linux/blk-mq.h> #include <uapi/scsi/fc/fc_fs.h> #include <uapi/scsi/fc/fc_els.h> #include <linux/nvme-fc-driver.h> #include "qla_def.h" #define NVME_ATIO_CMD_OFF 32 #define NVME_FIRST_PACKET_CMDLEN (64 - NVME_ATIO_CMD_OFF) #define Q2T_NVME_NUM_TAGS 2048 #define QLA_MAX_FC_SEGMENTS 64 struct scsi_qla_host; struct qla_hw_data; struct req_que; struct srb; struct nvme_private { struct srb *sp; struct nvmefc_ls_req *fd; struct work_struct ls_work; int comp_status; }; struct nvme_rport { struct nvme_fc_port_info req; struct list_head list; struct fc_port *fcport; }; #define COMMAND_NVME 0x88 /* Command Type FC-NVMe IOCB */ struct cmd_nvme { uint8_t entry_type; /* Entry type. */ uint8_t entry_count; /* Entry count. */ uint8_t sys_define; /* System defined. */ uint8_t entry_status; /* Entry Status. */ uint32_t handle; /* System handle. */ uint16_t nport_handle; /* N_PORT handle. */ uint16_t timeout; /* Command timeout. */ uint16_t dseg_count; /* Data segment count. */ uint16_t nvme_rsp_dsd_len; /* NVMe RSP DSD length */ uint64_t rsvd; uint16_t control_flags; /* Control Flags */ #define CF_NVME_ENABLE BIT_9 #define CF_DIF_SEG_DESCR_ENABLE BIT_3 #define CF_DATA_SEG_DESCR_ENABLE BIT_2 #define CF_READ_DATA BIT_1 #define CF_WRITE_DATA BIT_0 uint16_t nvme_cmnd_dseg_len; /* Data segment length. */ uint32_t nvme_cmnd_dseg_address[2]; /* Data segment address. */ uint32_t nvme_rsp_dseg_address[2]; /* Data segment address. */ uint32_t byte_count; /* Total byte count. */ uint8_t port_id[3]; /* PortID of destination port. */ uint8_t vp_index; uint32_t nvme_data_dseg_address[2]; /* Data segment address. */ uint32_t nvme_data_dseg_len; /* Data segment length. */ }; #define PT_LS4_REQUEST 0x89 /* Link Service pass-through IOCB (request) */ struct pt_ls4_request { uint8_t entry_type; uint8_t entry_count; uint8_t sys_define; uint8_t entry_status; uint32_t handle; uint16_t status; uint16_t nport_handle; uint16_t tx_dseg_count; uint8_t vp_index; uint8_t rsvd; uint16_t timeout; uint16_t control_flags; #define CF_LS4_SHIFT 13 #define CF_LS4_ORIGINATOR 0 #define CF_LS4_RESPONDER 1 #define CF_LS4_RESPONDER_TERM 2 uint16_t rx_dseg_count; uint16_t rsvd2; uint32_t exchange_address; uint32_t rsvd3; uint32_t rx_byte_count; uint32_t tx_byte_count; uint32_t dseg0_address[2]; uint32_t dseg0_len; uint32_t dseg1_address[2]; uint32_t dseg1_len; }; #define PT_LS4_UNSOL 0x56 /* pass-up unsolicited rec FC-NVMe request */ struct pt_ls4_rx_unsol { uint8_t entry_type; uint8_t entry_count; uint16_t rsvd0; uint16_t rsvd1; uint8_t vp_index; uint8_t rsvd2; uint16_t rsvd3; uint16_t nport_handle; uint16_t frame_size; uint16_t rsvd4; uint32_t exchange_address; uint8_t d_id[3]; uint8_t r_ctl; uint8_t s_id[3]; uint8_t cs_ctl; uint8_t f_ctl[3]; uint8_t type; uint16_t seq_cnt; uint8_t df_ctl; uint8_t seq_id; uint16_t rx_id; uint16_t ox_id; uint32_t param; uint32_t desc0; #define PT_LS4_PAYLOAD_OFFSET 0x2c #define PT_LS4_FIRST_PACKET_LEN 20 uint32_t desc_len; uint32_t payload[3]; }; /* * Global functions prototype in qla_nvme.c source file. */ void qla_nvme_register_hba(struct scsi_qla_host *); int qla_nvme_register_remote(struct scsi_qla_host *, struct fc_port *); void qla_nvme_delete(struct scsi_qla_host *); void qla_nvme_abort(struct qla_hw_data *, struct srb *sp); void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *, struct pt_ls4_request *, struct req_que *); void qla24xx_async_gffid_sp_done(void *, int); #endifOverall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Duane Grigsby | 402 | 83.58% | 1 | 50.00% |
| Himanshu Madhani | 79 | 16.42% | 1 | 50.00% |
| Total | 481 | 100.00% | 2 | 100.00% |