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Merge remote-tracking branch 'cxl/for-6.10/add-log-mbox-cmds' into cxl-for-next

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Add CXL log related mailbox commands
- Add Get Log Capabilities command
- Add Get Supported Log Sub-List Commands command
- Add Clear Log command
This commit is contained in:
Dave Jiang 2024-04-30 10:46:21 -07:00
commit db4fdb73f9
3 changed files with 18 additions and 0 deletions
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12
drivers/cxl/core/mbox.c
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@ -56,6 +56,9 @@ static struct cxl_mem_command cxl_mem_commands[CXL_MEM_COMMAND_ID_MAX] = {
CXL_CMD(GET_LSA, 0x8, CXL_VARIABLE_PAYLOAD, 0), CXL_CMD(GET_LSA, 0x8, CXL_VARIABLE_PAYLOAD, 0),
CXL_CMD(GET_HEALTH_INFO, 0, 0x12, 0), CXL_CMD(GET_HEALTH_INFO, 0, 0x12, 0),
CXL_CMD(GET_LOG, 0x18, CXL_VARIABLE_PAYLOAD, CXL_CMD_FLAG_FORCE_ENABLE), CXL_CMD(GET_LOG, 0x18, CXL_VARIABLE_PAYLOAD, CXL_CMD_FLAG_FORCE_ENABLE),
CXL_CMD(GET_LOG_CAPS, 0x10, 0x4, 0),
CXL_CMD(CLEAR_LOG, 0x10, 0, 0),
CXL_CMD(GET_SUP_LOG_SUBLIST, 0x2, CXL_VARIABLE_PAYLOAD, 0),
CXL_CMD(SET_PARTITION_INFO, 0x0a, 0, 0), CXL_CMD(SET_PARTITION_INFO, 0x0a, 0, 0),
CXL_CMD(SET_LSA, CXL_VARIABLE_PAYLOAD, 0, 0), CXL_CMD(SET_LSA, CXL_VARIABLE_PAYLOAD, 0, 0),
CXL_CMD(GET_ALERT_CONFIG, 0, 0x10, 0), CXL_CMD(GET_ALERT_CONFIG, 0, 0x10, 0),
@ -331,6 +334,15 @@ static bool cxl_payload_from_user_allowed(u16 opcode, void *payload_in)
return false; return false;
break; break;
} }
case CXL_MBOX_OP_CLEAR_LOG: {
const uuid_t *uuid = (uuid_t *)payload_in;
/*
* Restrict the ‘Clear log’ action to only apply to
* Vendor debug logs.
*/
return uuid_equal(uuid, &DEFINE_CXL_VENDOR_DEBUG_UUID);
}
default: default:
break; break;
} }

3
drivers/cxl/cxlmem.h
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@ -527,6 +527,9 @@ enum cxl_opcode {
CXL_MBOX_OP_SET_TIMESTAMP = 0x0301, CXL_MBOX_OP_SET_TIMESTAMP = 0x0301,
CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400, CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400,
CXL_MBOX_OP_GET_LOG = 0x0401, CXL_MBOX_OP_GET_LOG = 0x0401,
CXL_MBOX_OP_GET_LOG_CAPS = 0x0402,
CXL_MBOX_OP_CLEAR_LOG = 0x0403,
CXL_MBOX_OP_GET_SUP_LOG_SUBLIST = 0x0405,
CXL_MBOX_OP_IDENTIFY = 0x4000, CXL_MBOX_OP_IDENTIFY = 0x4000,
CXL_MBOX_OP_GET_PARTITION_INFO = 0x4100, CXL_MBOX_OP_GET_PARTITION_INFO = 0x4100,
CXL_MBOX_OP_SET_PARTITION_INFO = 0x4101, CXL_MBOX_OP_SET_PARTITION_INFO = 0x4101,

3
include/uapi/linux/cxl_mem.h
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@ -47,6 +47,9 @@
___DEPRECATED(SCAN_MEDIA, "Scan Media"), \ ___DEPRECATED(SCAN_MEDIA, "Scan Media"), \
___DEPRECATED(GET_SCAN_MEDIA, "Get Scan Media Results"), \ ___DEPRECATED(GET_SCAN_MEDIA, "Get Scan Media Results"), \
___C(GET_TIMESTAMP, "Get Timestamp"), \ ___C(GET_TIMESTAMP, "Get Timestamp"), \
___C(GET_LOG_CAPS, "Get Log Capabilities"), \
___C(CLEAR_LOG, "Clear Log"), \
___C(GET_SUP_LOG_SUBLIST, "Get Supported Logs Sub-List"), \
___C(MAX, "invalid / last command") ___C(MAX, "invalid / last command")
#define ___C(a, b) CXL_MEM_COMMAND_ID_##a #define ___C(a, b) CXL_MEM_COMMAND_ID_##a