diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nvme.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nvme.h | 114 |
1 files changed, 66 insertions, 48 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h index dfe56f207b28..a253ac55171b 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.h +++ b/drivers/scsi/qla2xxx/qla_nvme.h @@ -1,34 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * 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" +#include "qla_dsd.h" + +#define MIN_NVME_HW_QUEUES 1 +#define DEF_NVME_HW_QUEUES 8 + #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 qla_nvme_unsol_ctx; +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; + struct work_struct abort_work; int comp_status; + spinlock_t cmd_lock; }; -struct nvme_rport { - struct nvme_fc_port_info req; - struct list_head list; +struct qla_nvme_rport { struct fc_port *fcport; + struct qla_nvme_unsol_ctx *uctx; }; #define COMMAND_NVME 0x88 /* Command Type FC-NVMe IOCB */ @@ -39,34 +49,37 @@ struct cmd_nvme { uint8_t entry_status; /* Entry Status. */ uint32_t handle; /* System handle. */ - uint16_t nport_handle; /* N_PORT handle. */ - uint16_t timeout; /* Command timeout. */ + __le16 nport_handle; /* N_PORT handle. */ + __le16 timeout; /* Command timeout. */ - uint16_t dseg_count; /* Data segment count. */ - uint16_t nvme_rsp_dsd_len; /* NVMe RSP DSD length */ + __le16 dseg_count; /* Data segment count. */ + __le16 nvme_rsp_dsd_len; /* NVMe RSP DSD length */ uint64_t rsvd; - uint16_t control_flags; /* Control Flags */ -#define CF_NVME_ENABLE BIT_9 + __le16 control_flags; /* Control Flags */ +#define CF_ADMIN_ASYNC_EVENT BIT_13 +#define CF_NVME_FIRST_BURST_ENABLE BIT_11 #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. */ + __le16 nvme_cmnd_dseg_len; /* Data segment length. */ + __le64 nvme_cmnd_dseg_address __packed;/* Data segment address. */ + __le64 nvme_rsp_dseg_address __packed; /* Data segment address. */ - uint32_t byte_count; /* Total byte count. */ + __le32 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. */ + struct dsd64 nvme_dsd; }; +#define PURLS_MSLEEP_INTERVAL 1 +#define PURLS_RETRY_COUNT 5 + #define PT_LS4_REQUEST 0x89 /* Link Service pass-through IOCB (request) */ struct pt_ls4_request { uint8_t entry_type; @@ -74,59 +87,64 @@ struct pt_ls4_request { uint8_t sys_define; uint8_t entry_status; uint32_t handle; - uint16_t status; - uint16_t nport_handle; - uint16_t tx_dseg_count; + __le16 status; + __le16 nport_handle; + __le16 tx_dseg_count; uint8_t vp_index; uint8_t rsvd; - uint16_t timeout; - uint16_t control_flags; + __le16 timeout; + __le16 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; + __le16 rx_dseg_count; + __le16 rsvd2; + __le32 exchange_address; + __le32 rsvd3; + __le32 rx_byte_count; + __le32 tx_byte_count; + struct dsd64 dsd[2]; }; #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; + __le16 rsvd0; + __le16 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; + __le16 rsvd3; + __le16 nport_handle; + __le16 frame_size; + __le16 rsvd4; + __le32 exchange_address; uint8_t d_id[3]; uint8_t r_ctl; - uint8_t s_id[3]; + le_id_t s_id; uint8_t cs_ctl; uint8_t f_ctl[3]; uint8_t type; - uint16_t seq_cnt; + __le16 seq_cnt; uint8_t df_ctl; uint8_t seq_id; - uint16_t rx_id; - uint16_t ox_id; - uint32_t param; - uint32_t desc0; + __le16 rx_id; + __le16 ox_id; + __le32 desc0; #define PT_LS4_PAYLOAD_OFFSET 0x2c #define PT_LS4_FIRST_PACKET_LEN 20 - uint32_t desc_len; - uint32_t payload[3]; + __le32 payload[5]; }; + +/* + * Global functions prototype in qla_nvme.c source file. + */ +int 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 qla24xx_nvme_ls4_iocb(struct scsi_qla_host *, struct pt_ls4_request *, + struct req_que *); +void qla24xx_async_gffid_sp_done(struct srb *sp, int); #endif |