diff options
| author | Srinivasulu Thanneeru <sthanneeru.opensrc@micron.com> | 2024-03-13 10:12:18 +0300 |
|---|---|---|
| committer | Dave Jiang <dave.jiang@intel.com> | 2024-04-30 18:48:10 +0300 |
| commit | 206f9fa9d55592c8cea0ccf84a5242b7c7cf3748 (patch) | |
| tree | b0ca4dc7bc60904df36b09c110690edf2ab427d4 /drivers/cxl | |
| parent | 940325add1c54e3018277d6d783ec419262729e8 (diff) | |
| download | linux-206f9fa9d55592c8cea0ccf84a5242b7c7cf3748.tar.xz | |
cxl/mbox: Add Clear Log mailbox command
Adding UAPI support for CXL r3.1 8.2.9.5.4
Clear Log command.
This proposed patch will be useful for clearing and populating
the Vendor debug log in certain scenarios, allowing for the
aggregation of results over time.
Signed-off-by: Srinivasulu Thanneeru <sthanneeru.opensrc@micron.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240313071218.729-3-sthanneeru.opensrc@micron.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Diffstat (limited to 'drivers/cxl')
| -rw-r--r-- | drivers/cxl/core/mbox.c | 10 | ||||
| -rw-r--r-- | drivers/cxl/cxlmem.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index dbfee67b6319..0c6216d1c586 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -57,6 +57,7 @@ static struct cxl_mem_command cxl_mem_commands[CXL_MEM_COMMAND_ID_MAX] = { 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_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_LSA, CXL_VARIABLE_PAYLOAD, 0, 0), @@ -333,6 +334,15 @@ static bool cxl_payload_from_user_allowed(u16 opcode, void *payload_in) return false; 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: break; } diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index 39e06bf45a43..19aba81cdf13 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -528,6 +528,7 @@ enum cxl_opcode { CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400, 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_GET_PARTITION_INFO = 0x4100, |