mirror of https://gitee.com/openkylin/linux.git
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018, Intel Corporation. */
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#ifndef _ICE_ADMINQ_CMD_H_
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#define _ICE_ADMINQ_CMD_H_
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/* This header file defines the Admin Queue commands, error codes and
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* descriptor format. It is shared between Firmware and Software.
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*/
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struct ice_aqc_generic {
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__le32 param0;
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__le32 param1;
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__le32 addr_high;
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__le32 addr_low;
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};
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/* Get version (direct 0x0001) */
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struct ice_aqc_get_ver {
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__le32 rom_ver;
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__le32 fw_build;
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u8 fw_branch;
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u8 fw_major;
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u8 fw_minor;
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u8 fw_patch;
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u8 api_branch;
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u8 api_major;
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u8 api_minor;
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u8 api_patch;
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};
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/* Queue Shutdown (direct 0x0003) */
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struct ice_aqc_q_shutdown {
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#define ICE_AQC_DRIVER_UNLOADING BIT(0)
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__le32 driver_unloading;
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u8 reserved[12];
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};
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/**
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* struct ice_aq_desc - Admin Queue (AQ) descriptor
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* @flags: ICE_AQ_FLAG_* flags
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* @opcode: AQ command opcode
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* @datalen: length in bytes of indirect/external data buffer
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* @retval: return value from firmware
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* @cookie_h: opaque data high-half
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* @cookie_l: opaque data low-half
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* @params: command-specific parameters
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*
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* Descriptor format for commands the driver posts on the Admin Transmit Queue
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* (ATQ). The firmware writes back onto the command descriptor and returns
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* the result of the command. Asynchronous events that are not an immediate
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* result of the command are written to the Admin Receive Queue (ARQ) using
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* the same descriptor format. Descriptors are in little-endian notation with
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* 32-bit words.
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*/
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struct ice_aq_desc {
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__le16 flags;
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__le16 opcode;
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__le16 datalen;
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__le16 retval;
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__le32 cookie_high;
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__le32 cookie_low;
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union {
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u8 raw[16];
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struct ice_aqc_generic generic;
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struct ice_aqc_get_ver get_ver;
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struct ice_aqc_q_shutdown q_shutdown;
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} params;
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};
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/* FW defined boundary for a large buffer, 4k >= Large buffer > 512 bytes */
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#define ICE_AQ_LG_BUF 512
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#define ICE_AQ_FLAG_LB_S 9
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#define ICE_AQ_FLAG_BUF_S 12
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#define ICE_AQ_FLAG_SI_S 13
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#define ICE_AQ_FLAG_LB BIT(ICE_AQ_FLAG_LB_S) /* 0x200 */
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#define ICE_AQ_FLAG_BUF BIT(ICE_AQ_FLAG_BUF_S) /* 0x1000 */
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#define ICE_AQ_FLAG_SI BIT(ICE_AQ_FLAG_SI_S) /* 0x2000 */
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/* error codes */
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enum ice_aq_err {
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ICE_AQ_RC_OK = 0, /* success */
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};
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/* Admin Queue command opcodes */
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enum ice_adminq_opc {
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/* AQ commands */
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ice_aqc_opc_get_ver = 0x0001,
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ice_aqc_opc_q_shutdown = 0x0003,
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};
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#endif /* _ICE_ADMINQ_CMD_H_ */
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