Release 4.7 drivers/scsi/lpfc/lpfc_bsg.h
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2010-2015 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of version 2 of the GNU General *
* Public License as published by the Free Software Foundation. *
* This program is distributed in the hope that it will be useful. *
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
* TO BE LEGALLY INVALID. See the GNU General Public License for *
* more details, a copy of which can be found in the file COPYING *
* included with this package. *
*******************************************************************/
/* bsg definitions
* No pointers to user data are allowed, all application buffers and sizes will
* derived through the bsg interface.
*
* These are the vendor unique structures passed in using the bsg
* FC_BSG_HST_VENDOR message code type.
*/
#define LPFC_BSG_VENDOR_SET_CT_EVENT 1
#define LPFC_BSG_VENDOR_GET_CT_EVENT 2
#define LPFC_BSG_VENDOR_SEND_MGMT_RESP 3
#define LPFC_BSG_VENDOR_DIAG_MODE 4
#define LPFC_BSG_VENDOR_DIAG_RUN_LOOPBACK 5
#define LPFC_BSG_VENDOR_GET_MGMT_REV 6
#define LPFC_BSG_VENDOR_MBOX 7
#define LPFC_BSG_VENDOR_MENLO_CMD 8
#define LPFC_BSG_VENDOR_MENLO_DATA 9
#define LPFC_BSG_VENDOR_DIAG_MODE_END 10
#define LPFC_BSG_VENDOR_LINK_DIAG_TEST 11
struct set_ct_event {
uint32_t command;
uint32_t type_mask;
uint32_t ev_req_id;
uint32_t ev_reg_id;
};
struct get_ct_event {
uint32_t command;
uint32_t ev_reg_id;
uint32_t ev_req_id;
};
struct get_ct_event_reply {
uint32_t immed_data;
uint32_t type;
};
struct send_mgmt_resp {
uint32_t command;
uint32_t tag;
};
#define INTERNAL_LOOP_BACK 0x1
/* adapter short cuts the loop internally */
#define EXTERNAL_LOOP_BACK 0x2
/* requires an external loopback plug */
struct diag_mode_set {
uint32_t command;
uint32_t type;
uint32_t timeout;
};
struct sli4_link_diag {
uint32_t command;
uint32_t timeout;
uint32_t test_id;
uint32_t loops;
uint32_t test_version;
uint32_t error_action;
};
struct diag_mode_test {
uint32_t command;
};
struct diag_status {
uint32_t mbox_status;
uint32_t shdr_status;
uint32_t shdr_add_status;
};
#define LPFC_WWNN_TYPE 0
#define LPFC_WWPN_TYPE 1
struct get_mgmt_rev {
uint32_t command;
};
#define MANAGEMENT_MAJOR_REV 1
#define MANAGEMENT_MINOR_REV 1
/* the MgmtRevInfo structure */
struct MgmtRevInfo {
uint32_t a_Major;
uint32_t a_Minor;
};
struct get_mgmt_rev_reply {
struct MgmtRevInfo info;
};
#define BSG_MBOX_SIZE 4096
/* mailbox command plus extended data */
/* BSG mailbox request header */
struct dfc_mbox_req {
uint32_t command;
uint32_t mbOffset;
uint32_t inExtWLen;
uint32_t outExtWLen;
uint32_t extMboxTag;
uint32_t extSeqNum;
};
/* Used for menlo command or menlo data. The xri is only used for menlo data */
struct menlo_command {
uint32_t cmd;
uint32_t xri;
};
struct menlo_response {
uint32_t xri; /* return the xri of the iocb exchange */
};
/*
* macros and data structures for handling sli-config mailbox command
* pass-through support, this header file is shared between user and
* kernel spaces, note the set of macros are duplicates from lpfc_hw4.h,
* with macro names prefixed with bsg_, as the macros defined in
* lpfc_hw4.h are not accessible from user space.
*/
/* Macros to deal with bit fields. Each bit field must have 3 #defines
* associated with it (_SHIFT, _MASK, and _WORD).
* EG. For a bit field that is in the 7th bit of the "field4" field of a
* structure and is 2 bits in size the following #defines must exist:
* struct temp {
* uint32_t field1;
* uint32_t field2;
* uint32_t field3;
* uint32_t field4;
* #define example_bit_field_SHIFT 7
* #define example_bit_field_MASK 0x03
* #define example_bit_field_WORD field4
* uint32_t field5;
* };
* Then the macros below may be used to get or set the value of that field.
* EG. To get the value of the bit field from the above example:
* struct temp t1;
* value = bsg_bf_get(example_bit_field, &t1);
* And then to set that bit field:
* bsg_bf_set(example_bit_field, &t1, 2);
* Or clear that bit field:
* bsg_bf_set(example_bit_field, &t1, 0);
*/
#define bsg_bf_get_le32(name, ptr) \
((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
#define bsg_bf_get(name, ptr) \
(((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
#define bsg_bf_set_le32(name, ptr, value) \
((ptr)->name##_WORD = cpu_to_le32(((((value) & \
name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
~(name##_MASK << name##_SHIFT)))))
#define bsg_bf_set(name, ptr, value) \
((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))
/*
* The sli_config structure specified here is based on the following
* restriction:
*
* -- SLI_CONFIG EMB=0, carrying MSEs, will carry subcommands without
* carrying HBD.
* -- SLI_CONFIG EMB=1, not carrying MSE, will carry subcommands with or
* without carrying HBDs.
*/
struct lpfc_sli_config_mse {
uint32_t pa_lo;
uint32_t pa_hi;
uint32_t buf_len;
#define lpfc_mbox_sli_config_mse_len_SHIFT 0
#define lpfc_mbox_sli_config_mse_len_MASK 0xffffff
#define lpfc_mbox_sli_config_mse_len_WORD buf_len
};
struct lpfc_sli_config_hbd {
uint32_t buf_len;
#define lpfc_mbox_sli_config_ecmn_hbd_len_SHIFT 0
#define lpfc_mbox_sli_config_ecmn_hbd_len_MASK 0xffffff
#define lpfc_mbox_sli_config_ecmn_hbd_len_WORD buf_len
uint32_t pa_lo;
uint32_t pa_hi;
};
struct lpfc_sli_config_hdr {
uint32_t word1;
#define lpfc_mbox_hdr_emb_SHIFT 0
#define lpfc_mbox_hdr_emb_MASK 0x00000001
#define lpfc_mbox_hdr_emb_WORD word1
#define lpfc_mbox_hdr_mse_cnt_SHIFT 3
#define lpfc_mbox_hdr_mse_cnt_MASK 0x0000001f
#define lpfc_mbox_hdr_mse_cnt_WORD word1
uint32_t payload_length;
uint32_t tag_lo;
uint32_t tag_hi;
uint32_t reserved5;
};
struct lpfc_sli_config_emb0_subsys {
struct lpfc_sli_config_hdr sli_config_hdr;
#define LPFC_MBX_SLI_CONFIG_MAX_MSE 19
struct lpfc_sli_config_mse mse[LPFC_MBX_SLI_CONFIG_MAX_MSE];
uint32_t padding;
uint32_t word64;
#define lpfc_emb0_subcmnd_opcode_SHIFT 0
#define lpfc_emb0_subcmnd_opcode_MASK 0xff
#define lpfc_emb0_subcmnd_opcode_WORD word64
#define lpfc_emb0_subcmnd_subsys_SHIFT 8
#define lpfc_emb0_subcmnd_subsys_MASK 0xff
#define lpfc_emb0_subcmnd_subsys_WORD word64
/* Subsystem FCOE (0x0C) OpCodes */
#define SLI_CONFIG_SUBSYS_FCOE 0x0C
#define FCOE_OPCODE_READ_FCF 0x08
#define FCOE_OPCODE_ADD_FCF 0x09
#define FCOE_OPCODE_SET_DPORT_MODE 0x27
#define FCOE_OPCODE_GET_DPORT_RESULTS 0x28
};
struct lpfc_sli_config_emb1_subsys {
struct lpfc_sli_config_hdr sli_config_hdr;
uint32_t word6;
#define lpfc_emb1_subcmnd_opcode_SHIFT 0
#define lpfc_emb1_subcmnd_opcode_MASK 0xff
#define lpfc_emb1_subcmnd_opcode_WORD word6
#define lpfc_emb1_subcmnd_subsys_SHIFT 8
#define lpfc_emb1_subcmnd_subsys_MASK 0xff
#define lpfc_emb1_subcmnd_subsys_WORD word6
/* Subsystem COMN (0x01) OpCodes */
#define SLI_CONFIG_SUBSYS_COMN 0x01
#define COMN_OPCODE_GET_PROFILE_CONFIG 0xA4
#define COMN_OPCODE_READ_OBJECT 0xAB
#define COMN_OPCODE_WRITE_OBJECT 0xAC
#define COMN_OPCODE_READ_OBJECT_LIST 0xAD
#define COMN_OPCODE_DELETE_OBJECT 0xAE
#define COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES 0x79
#define COMN_OPCODE_GET_CNTL_ATTRIBUTES 0x20
uint32_t timeout;
uint32_t request_length;
uint32_t word9;
#define lpfc_subcmnd_version_SHIFT 0
#define lpfc_subcmnd_version_MASK 0xff
#define lpfc_subcmnd_version_WORD word9
uint32_t word10;
#define lpfc_subcmnd_ask_rd_len_SHIFT 0
#define lpfc_subcmnd_ask_rd_len_MASK 0xffffff
#define lpfc_subcmnd_ask_rd_len_WORD word10
uint32_t rd_offset;
uint32_t obj_name[26];
uint32_t hbd_count;
#define LPFC_MBX_SLI_CONFIG_MAX_HBD 8
struct lpfc_sli_config_hbd hbd[LPFC_MBX_SLI_CONFIG_MAX_HBD];
};
struct lpfc_sli_config_mbox {
uint32_t word0;
#define lpfc_mqe_status_SHIFT 16
#define lpfc_mqe_status_MASK 0x0000FFFF
#define lpfc_mqe_status_WORD word0
#define lpfc_mqe_command_SHIFT 8
#define lpfc_mqe_command_MASK 0x000000FF
#define lpfc_mqe_command_WORD word0
union {
struct lpfc_sli_config_emb0_subsys sli_config_emb0_subsys;
struct lpfc_sli_config_emb1_subsys sli_config_emb1_subsys;
}
un;
};
/* driver only */
#define SLI_CONFIG_NOT_HANDLED 0
#define SLI_CONFIG_HANDLED 1
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