/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
/*
* Copyright 2018 - 2024 Amazon . com , Inc . or its affiliates . All rights reserved .
*/
#ifndef _EFA_ADMIN_H_
#define _EFA_ADMIN_H_
enum efa_admin_aq_completion_status {
EFA_ADMIN_SUCCESS = 0 ,
EFA_ADMIN_RESOURCE_ALLOCATION_FAILURE = 1 ,
EFA_ADMIN_BAD_OPCODE = 2 ,
EFA_ADMIN_UNSUPPORTED_OPCODE = 3 ,
EFA_ADMIN_MALFORMED_REQUEST = 4 ,
/* Additional status is provided in ACQ entry extended_status */
EFA_ADMIN_ILLEGAL_PARAMETER = 5 ,
EFA_ADMIN_UNKNOWN_ERROR = 6 ,
EFA_ADMIN_RESOURCE_BUSY = 7 ,
};
struct efa_admin_aq_common_desc {
/*
* 11 : 0 : command_id
* 15 : 12 : reserved12
*/
u16 command_id;
/* as appears in efa_admin_aq_opcode */
u8 opcode;
/*
* 0 : phase
* 1 : ctrl_data - control buffer address valid
* 2 : ctrl_data_indirect - control buffer address
* points to list of pages with addresses of control
* buffers
* 7 : 3 : reserved3
*/
u8 flags;
};
/*
* used in efa_admin_aq_entry . Can point directly to control data , or to a
* page list chunk . Used also at the end of indirect mode page list chunks ,
* for chaining .
*/
struct efa_admin_ctrl_buff_info {
u32 length;
struct efa_common_mem_addr address;
};
struct efa_admin_aq_entry {
struct efa_admin_aq_common_desc aq_common_descriptor;
union {
u32 inline_data_w1[3 ];
struct efa_admin_ctrl_buff_info control_buffer;
} u;
u32 inline_data_w4[12 ];
};
struct efa_admin_acq_common_desc {
/*
* command identifier to associate it with the aq descriptor
* 11 : 0 : command_id
* 15 : 12 : reserved12
*/
u16 command;
u8 status;
/*
* 0 : phase
* 7 : 1 : reserved1
*/
u8 flags;
u16 extended_status;
/*
* indicates to the driver which AQ entry has been consumed by the
* device and could be reused
*/
u16 sq_head_indx;
};
struct efa_admin_acq_entry {
struct efa_admin_acq_common_desc acq_common_descriptor;
u32 response_specific_data[14 ];
};
struct efa_admin_aenq_common_desc {
u16 group;
u16 syndrome;
/*
* 0 : phase
* 7 : 1 : reserved - MBZ
*/
u8 flags;
u8 reserved1[3 ];
u32 timestamp_low;
u32 timestamp_high;
};
struct efa_admin_aenq_entry {
struct efa_admin_aenq_common_desc aenq_common_desc;
/* command specific inline data */
u32 inline_data_w4[12 ];
};
enum efa_admin_eqe_event_type {
EFA_ADMIN_EQE_EVENT_TYPE_COMPLETION = 0 ,
};
/* Completion event */
struct efa_admin_comp_event {
/* CQ number */
u16 cqn;
/* MBZ */
u16 reserved;
/* MBZ */
u32 reserved2;
};
/* Event Queue Element */
struct efa_admin_eqe {
/*
* 0 : phase
* 8 : 1 : event_type - Event type
* 31 : 9 : reserved - MBZ
*/
u32 common;
/* MBZ */
u32 reserved;
union {
/* Event data */
u32 event_data[2 ];
/* Completion Event */
struct efa_admin_comp_event comp_event;
} u;
};
/* aq_common_desc */
#define EFA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11 , 0 )
#define EFA_ADMIN_AQ_COMMON_DESC_PHASE_MASK BIT(0 )
#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK BIT(1 )
#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK BIT(2 )
/* acq_common_desc */
#define EFA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11 , 0 )
#define EFA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK BIT(0 )
/* aenq_common_desc */
#define EFA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK BIT(0 )
/* eqe */
#define EFA_ADMIN_EQE_PHASE_MASK BIT(0 )
#define EFA_ADMIN_EQE_EVENT_TYPE_MASK GENMASK(8 , 1 )
#endif /* _EFA_ADMIN_H_ */
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