BZ#: 4434 - Add IPMI SSIF definitions. Specification reference: https://www.intel.com/content/www/us/en/products/docs/servers/ipmi/ipmi-second-gen-interface-spec-v2-rev1-1.html
Signed-off-by: Tinh Nguyen <tinhngu...@os.amperecomputing.com> Cc: Michael D Kinney <michael.d.kin...@intel.com> Cc: Liming Gao <gaolim...@byosoft.com.cn> Cc: Zhiguang Liu <zhiguang....@intel.com> Cc: Abner Chang <abner.ch...@amd.com> Reviewed-by: Abner Chang <abner.ch...@amd.com> --- MdePkg/Include/IndustryStandard/IpmiSsif.h | 98 ++++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/MdePkg/Include/IndustryStandard/IpmiSsif.h b/MdePkg/Include/IndustryStandard/IpmiSsif.h new file mode 100644 index 000000000000..a5bfa14a9dfa --- /dev/null +++ b/MdePkg/Include/IndustryStandard/IpmiSsif.h @@ -0,0 +1,98 @@ +/** @file + IPMI SSIF Definitions + + Copyright (c) 2023, Ampere Computing LLC. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Revision Reference: + - IPMI Specification + Version 2.0, Rev. 1.1 + + https://www.intel.com/content/www/us/en/products/docs/servers/ipmi/ipmi-second-gen-interface-spec-v2-rev1-1.html +**/ + +#ifndef IPMI_SSIF_H_ +#define IPMI_SSIF_H_ + +/// +/// Definitions for SMBUS Commands for SSIF +/// Table 12 - Summary of SMBUS Commands for SSIF +/// + +/// Write block +#define IPMI_SSIF_SMBUS_CMD_SINGLE_PART_WRITE 0x02 +#define IPMI_SSIF_SMBUS_CMD_MULTI_PART_WRITE_START 0x06 +#define IPMI_SSIF_SMBUS_CMD_MULTI_PART_WRITE_MIDDLE 0x07 +#define IPMI_SSIF_SMBUS_CMD_MULTI_PART_WRITE_END 0x08 + +/// Read block +#define IPMI_SSIF_SMBUS_CMD_SINGLE_PART_READ 0x03 +#define IPMI_SSIF_SMBUS_CMD_MULTI_PART_READ_START 0x03 +#define IPMI_SSIF_SMBUS_CMD_MULTI_PART_READ_MIDDLE 0x09 +#define IPMI_SSIF_SMBUS_CMD_MULTI_PART_READ_END 0x09 +#define IPMI_SSIF_SMBUS_CMD_MULTI_PART_READ_RETRY 0x0A + +/// +/// Definitions for Multi-Part Read Transactions +/// Section 12.5 +/// +#define IPMI_SSIF_MULTI_PART_READ_START_SIZE 0x1E +#define IPMI_SSIF_MULTI_PART_READ_START_PATTERN1 0x00 +#define IPMI_SSIF_MULTI_PART_READ_START_PATTERN2 0x01 +#define IPMI_SSIF_MULTI_PART_READ_END_PATTERN 0xFF + +/// +/// IPMI SSIF maximum message size +/// +#define IPMI_SSIF_INPUT_MESSAGE_SIZE_MAX 0xFF +#define IPMI_SSIF_OUTPUT_MESSAGE_SIZE_MAX 0xFF + +/// +/// IPMI SMBus system interface maximum packet size in byte +/// +#define IPMI_SSIF_MAXIMUM_PACKET_SIZE_IN_BYTES 0x20 + +typedef enum { + IpmiSsifPacketStart = 0, + IpmiSsifPacketMiddle, + IpmiSsifPacketEnd, + IpmiSsifPacketSingle, + IpmiSsifPacketMax +} IPMI_SSIF_PACKET_ATTRIBUTE; + +#pragma pack (1) +/// +/// IPMI SSIF Interface Request Format +/// Section 12.2 and 12.3 +/// +typedef struct { + UINT8 NetFunc; + UINT8 Command; +} IPMI_SSIF_REQUEST_HEADER; + +/// +/// IPMI SSIF Interface Response Format +/// Section 12.4 and 12.5 +/// +typedef struct { + UINT8 StartPattern[2]; + UINT8 NetFunc; + UINT8 Command; +} IPMI_SSIF_RESPONSE_PACKET_START; + +typedef struct { + UINT8 BlockNumber; +} IPMI_SSIF_RESPONSE_PACKET_MIDDLE; + +typedef struct { + UINT8 EndPattern; +} IPMI_SSIF_RESPONSE_PACKET_END; + +typedef struct { + UINT8 NetFunc; + UINT8 Command; +} IPMI_SSIF_RESPONSE_SINGLE_PACKET; + +#pragma pack () + +#endif /* IPMI_SSIF_H_ */ -- 2.40.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#103904): https://edk2.groups.io/g/devel/message/103904 Mute This Topic: https://groups.io/mt/98659404/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
