From: peng guo Date: Wed, 10 Jul 2024 02:31:12 +0000 (+0800) Subject: cxl/core: Fix incorrect vendor debug UUID define X-Git-Tag: v6.11-rc1~6^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8ecef8e01a08c7e3e4ffc8f08d9f9663984f334b;p=thirdparty%2Fkernel%2Flinux.git cxl/core: Fix incorrect vendor debug UUID define When user send a mbox command whose opcode is CXL_MBOX_OP_CLEAR_LOG and the in_payload is normal vendor debug log UUID according to the CXL specification cxl_payload_from_user_allowed() will return false unexpectedly, Sending mbox cmd operation fails and the kernel log will print: Clear Log: input payload not allowed. All CXL devices that support a debug log shall support the Vendor Debug Log to allow the log to be accessed through a common host driver, for any device, all versions of the CXL specification define the same value with Log Identifier of: 5e1819d9-11a9-400c-811f-d60719403d86 Refer to CXL spec r3.1 Table 8-71 Fix the definition value of DEFINE_CXL_VENDOR_DEBUG_UUID to match the CXL specification. Fixes: 472b1ce6e9d6 ("cxl/mem: Enable commands via CEL") Signed-off-by: peng guo Reviewed-by: Alison Schofield Link: https://patch.msgid.link/20240710023112.8063-1-engguopeng@buaa.edu.cn Signed-off-by: Dave Jiang --- diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index 19aba81cdf132..f55141c6d64ef 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -562,7 +562,7 @@ enum cxl_opcode { 0x3b, 0x3f, 0x17) #define DEFINE_CXL_VENDOR_DEBUG_UUID \ - UUID_INIT(0xe1819d9, 0x11a9, 0x400c, 0x81, 0x1f, 0xd6, 0x07, 0x19, \ + UUID_INIT(0x5e1819d9, 0x11a9, 0x400c, 0x81, 0x1f, 0xd6, 0x07, 0x19, \ 0x40, 0x3d, 0x86) struct cxl_mbox_get_supported_logs {