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1/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */2/*3 * Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved.4 */5 6#ifndef _EFA_ADMIN_H_7#define _EFA_ADMIN_H_8 9enum efa_admin_aq_completion_status {10 EFA_ADMIN_SUCCESS = 0,11 EFA_ADMIN_RESOURCE_ALLOCATION_FAILURE = 1,12 EFA_ADMIN_BAD_OPCODE = 2,13 EFA_ADMIN_UNSUPPORTED_OPCODE = 3,14 EFA_ADMIN_MALFORMED_REQUEST = 4,15 /* Additional status is provided in ACQ entry extended_status */16 EFA_ADMIN_ILLEGAL_PARAMETER = 5,17 EFA_ADMIN_UNKNOWN_ERROR = 6,18 EFA_ADMIN_RESOURCE_BUSY = 7,19};20 21struct efa_admin_aq_common_desc {22 /*23 * 11:0 : command_id24 * 15:12 : reserved1225 */26 u16 command_id;27 28 /* as appears in efa_admin_aq_opcode */29 u8 opcode;30 31 /*32 * 0 : phase33 * 1 : ctrl_data - control buffer address valid34 * 2 : ctrl_data_indirect - control buffer address35 * points to list of pages with addresses of control36 * buffers37 * 7:3 : reserved338 */39 u8 flags;40};41 42/*43 * used in efa_admin_aq_entry. Can point directly to control data, or to a44 * page list chunk. Used also at the end of indirect mode page list chunks,45 * for chaining.46 */47struct efa_admin_ctrl_buff_info {48 u32 length;49 50 struct efa_common_mem_addr address;51};52 53struct efa_admin_aq_entry {54 struct efa_admin_aq_common_desc aq_common_descriptor;55 56 union {57 u32 inline_data_w1[3];58 59 struct efa_admin_ctrl_buff_info control_buffer;60 } u;61 62 u32 inline_data_w4[12];63};64 65struct efa_admin_acq_common_desc {66 /*67 * command identifier to associate it with the aq descriptor68 * 11:0 : command_id69 * 15:12 : reserved1270 */71 u16 command;72 73 u8 status;74 75 /*76 * 0 : phase77 * 7:1 : reserved178 */79 u8 flags;80 81 u16 extended_status;82 83 /*84 * indicates to the driver which AQ entry has been consumed by the85 * device and could be reused86 */87 u16 sq_head_indx;88};89 90struct efa_admin_acq_entry {91 struct efa_admin_acq_common_desc acq_common_descriptor;92 93 u32 response_specific_data[14];94};95 96struct efa_admin_aenq_common_desc {97 u16 group;98 99 u16 syndrom;100 101 /*102 * 0 : phase103 * 7:1 : reserved - MBZ104 */105 u8 flags;106 107 u8 reserved1[3];108 109 u32 timestamp_low;110 111 u32 timestamp_high;112};113 114struct efa_admin_aenq_entry {115 struct efa_admin_aenq_common_desc aenq_common_desc;116 117 /* command specific inline data */118 u32 inline_data_w4[12];119};120 121enum efa_admin_eqe_event_type {122 EFA_ADMIN_EQE_EVENT_TYPE_COMPLETION = 0,123};124 125/* Completion event */126struct efa_admin_comp_event {127 /* CQ number */128 u16 cqn;129 130 /* MBZ */131 u16 reserved;132 133 /* MBZ */134 u32 reserved2;135};136 137/* Event Queue Element */138struct efa_admin_eqe {139 /*140 * 0 : phase141 * 8:1 : event_type - Event type142 * 31:9 : reserved - MBZ143 */144 u32 common;145 146 /* MBZ */147 u32 reserved;148 149 union {150 /* Event data */151 u32 event_data[2];152 153 /* Completion Event */154 struct efa_admin_comp_event comp_event;155 } u;156};157 158/* aq_common_desc */159#define EFA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0)160#define EFA_ADMIN_AQ_COMMON_DESC_PHASE_MASK BIT(0)161#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK BIT(1)162#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK BIT(2)163 164/* acq_common_desc */165#define EFA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0)166#define EFA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK BIT(0)167 168/* aenq_common_desc */169#define EFA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK BIT(0)170 171/* eqe */172#define EFA_ADMIN_EQE_PHASE_MASK BIT(0)173#define EFA_ADMIN_EQE_EVENT_TYPE_MASK GENMASK(8, 1)174 175#endif /* _EFA_ADMIN_H_ */176