[edk2-devel] [PATCH v2 1/3] MdePkg/IndustryStandard: Add definitions for IPMI SSIF
Chang, Abner via groups.io
abner.chang=amd.com at groups.io
Wed May 3 01:12:00 UTC 2023
[AMD Official Use Only - General]
Reviewed-by: Abner Chang <Abner.Chang at amd.com>
BTW, I don't see maintainers are CCed in the commit message. Not sure if this is acceptable as usually we can see who are the maintainers in the commit message (either in patch email or git commit history) instead of looking at Cc in email.
Abner
> -----Original Message-----
> From: Tinh Nguyen <tinhnguyen at os.amperecomputing.com>
> Sent: Wednesday, May 3, 2023 1:40 AM
> To: devel at edk2.groups.io
> Cc: patches at amperecomputing.com; michael.d.kinney at intel.com;
> gaoliming at byosoft.com.cn; zhiguang.liu at intel.com; Chang, Abner
> <Abner.Chang at amd.com>; Tinh Nguyen
> <tinhnguyen at os.amperecomputing.com>
> Subject: [PATCH v2 1/3] MdePkg/IndustryStandard: Add definitions for IPMI
> SSIF
>
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
>
>
> Specification reference:
> https://www.intel.com/content/www/us/en/products/docs/servers/ipmi/i
> pmi-second-gen-interface-spec-v2-rev1-1.html
>
> Signed-off-by: Tinh Nguyen <tinhnguyen at os.amperecomputing.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
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