176 lines
3.6 KiB
C
176 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
|
|
/*
|
|
* Copyright 2018-2021 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 syndrom;
|
|
|
|
/*
|
|
* 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_ */
|