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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158/* 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__ */