158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
|
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
|
||
|
|
/* QLogic qed NIC Driver
|
||
|
|
* Copyright (c) 2015-2017 QLogic Corporation
|
||
|
|
* Copyright (c) 2019-2020 Marvell International Ltd.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __STORAGE_COMMON__
|
||
|
|
#define __STORAGE_COMMON__
|
||
|
|
|
||
|
|
/*********************/
|
||
|
|
/* SCSI CONSTANTS */
|
||
|
|
/*********************/
|
||
|
|
|
||
|
|
#define SCSI_MAX_NUM_OF_CMDQS (NUM_OF_GLOBAL_QUEUES / 2)
|
||
|
|
#define BDQ_NUM_RESOURCES (4)
|
||
|
|
|
||
|
|
#define BDQ_ID_RQ (0)
|
||
|
|
#define BDQ_ID_IMM_DATA (1)
|
||
|
|
#define BDQ_ID_TQ (2)
|
||
|
|
#define BDQ_NUM_IDS (3)
|
||
|
|
|
||
|
|
#define SCSI_NUM_SGES_SLOW_SGL_THR 8
|
||
|
|
|
||
|
|
#define BDQ_MAX_EXTERNAL_RING_SIZE BIT(15)
|
||
|
|
|
||
|
|
/* SCSI op codes */
|
||
|
|
#define SCSI_OPCODE_COMPARE_AND_WRITE (0x89)
|
||
|
|
#define SCSI_OPCODE_READ_10 (0x28)
|
||
|
|
#define SCSI_OPCODE_WRITE_6 (0x0A)
|
||
|
|
#define SCSI_OPCODE_WRITE_10 (0x2A)
|
||
|
|
#define SCSI_OPCODE_WRITE_12 (0xAA)
|
||
|
|
#define SCSI_OPCODE_WRITE_16 (0x8A)
|
||
|
|
#define SCSI_OPCODE_WRITE_AND_VERIFY_10 (0x2E)
|
||
|
|
#define SCSI_OPCODE_WRITE_AND_VERIFY_12 (0xAE)
|
||
|
|
#define SCSI_OPCODE_WRITE_AND_VERIFY_16 (0x8E)
|
||
|
|
|
||
|
|
/* iSCSI Drv opaque */
|
||
|
|
struct iscsi_drv_opaque {
|
||
|
|
__le16 reserved_zero[3];
|
||
|
|
__le16 opaque;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Scsi 2B/8B opaque union */
|
||
|
|
union scsi_opaque {
|
||
|
|
struct regpair fcoe_opaque;
|
||
|
|
struct iscsi_drv_opaque iscsi_opaque;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SCSI buffer descriptor */
|
||
|
|
struct scsi_bd {
|
||
|
|
struct regpair address;
|
||
|
|
union scsi_opaque opaque;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Scsi Drv BDQ struct */
|
||
|
|
struct scsi_bdq_ram_drv_data {
|
||
|
|
__le16 external_producer;
|
||
|
|
__le16 reserved0[3];
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SCSI SGE entry */
|
||
|
|
struct scsi_sge {
|
||
|
|
struct regpair sge_addr;
|
||
|
|
__le32 sge_len;
|
||
|
|
__le32 reserved;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Cached SGEs section */
|
||
|
|
struct scsi_cached_sges {
|
||
|
|
struct scsi_sge sge[4];
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Scsi Drv CMDQ struct */
|
||
|
|
struct scsi_drv_cmdq {
|
||
|
|
__le16 cmdq_cons;
|
||
|
|
__le16 reserved0;
|
||
|
|
__le32 reserved1;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Common SCSI init params passed by driver to FW in function init ramrod */
|
||
|
|
struct scsi_init_func_params {
|
||
|
|
__le16 num_tasks;
|
||
|
|
u8 log_page_size;
|
||
|
|
u8 log_page_size_conn;
|
||
|
|
u8 debug_mode;
|
||
|
|
u8 reserved2[11];
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SCSI RQ/CQ/CMDQ firmware function init parameters */
|
||
|
|
struct scsi_init_func_queues {
|
||
|
|
struct regpair glbl_q_params_addr;
|
||
|
|
__le16 rq_buffer_size;
|
||
|
|
__le16 cq_num_entries;
|
||
|
|
__le16 cmdq_num_entries;
|
||
|
|
u8 bdq_resource_id;
|
||
|
|
u8 q_validity;
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_MASK 0x1
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_SHIFT 0
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_MASK 0x1
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_SHIFT 1
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_MASK 0x1
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_SHIFT 2
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_TQ_VALID_MASK 0x1
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_TQ_VALID_SHIFT 3
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_SOC_EN_MASK 0x1
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_SOC_EN_SHIFT 4
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_SOC_NUM_OF_BLOCKS_LOG_MASK 0x7
|
||
|
|
#define SCSI_INIT_FUNC_QUEUES_SOC_NUM_OF_BLOCKS_LOG_SHIFT 5
|
||
|
|
__le16 cq_cmdq_sb_num_arr[SCSI_MAX_NUM_OF_CMDQS];
|
||
|
|
u8 num_queues;
|
||
|
|
u8 queue_relative_offset;
|
||
|
|
u8 cq_sb_pi;
|
||
|
|
u8 cmdq_sb_pi;
|
||
|
|
u8 bdq_pbl_num_entries[BDQ_NUM_IDS];
|
||
|
|
u8 reserved1;
|
||
|
|
struct regpair bdq_pbl_base_address[BDQ_NUM_IDS];
|
||
|
|
__le16 bdq_xoff_threshold[BDQ_NUM_IDS];
|
||
|
|
__le16 cmdq_xoff_threshold;
|
||
|
|
__le16 bdq_xon_threshold[BDQ_NUM_IDS];
|
||
|
|
__le16 cmdq_xon_threshold;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Scsi Drv BDQ Data struct (2 BDQ IDs: 0 - RQ, 1 - Immediate Data) */
|
||
|
|
struct scsi_ram_per_bdq_resource_drv_data {
|
||
|
|
struct scsi_bdq_ram_drv_data drv_data_per_bdq_id[BDQ_NUM_IDS];
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SCSI SGL types */
|
||
|
|
enum scsi_sgl_mode {
|
||
|
|
SCSI_TX_SLOW_SGL,
|
||
|
|
SCSI_FAST_SGL,
|
||
|
|
MAX_SCSI_SGL_MODE
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SCSI SGL parameters */
|
||
|
|
struct scsi_sgl_params {
|
||
|
|
struct regpair sgl_addr;
|
||
|
|
__le32 sgl_total_length;
|
||
|
|
__le32 sge_offset;
|
||
|
|
__le16 sgl_num_sges;
|
||
|
|
u8 sgl_index;
|
||
|
|
u8 reserved;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SCSI terminate connection params */
|
||
|
|
struct scsi_terminate_extra_params {
|
||
|
|
__le16 unsolicited_cq_count;
|
||
|
|
__le16 cmdq_count;
|
||
|
|
u8 reserved[4];
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SCSI Task Queue Element */
|
||
|
|
struct scsi_tqe {
|
||
|
|
__le16 itid;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* __STORAGE_COMMON__ */
|