[PATCH v2 1/4] efi/cper, cxl: Make definitions and structures global

Smita Koralahalli posted 4 patches 1 month, 4 weeks ago
[PATCH v2 1/4] efi/cper, cxl: Make definitions and structures global
Posted by Smita Koralahalli 1 month, 4 weeks ago
In preparation to add tracepoint support, move protocol error UUID
definition to a common location and make CXL RAS capability struct
global for use across different modules.

Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
v2:
	No functional change. CXL RAS Capability struct is now in
	include/cxl/event.h instead of include/linux/cxl-event.h
---
 drivers/firmware/efi/cper_cxl.c | 11 -----------
 drivers/firmware/efi/cper_cxl.h |  7 ++-----
 include/cxl/event.h             | 11 +++++++++++
 include/linux/cper.h            |  4 ++++
 4 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/drivers/firmware/efi/cper_cxl.c b/drivers/firmware/efi/cper_cxl.c
index a55771b99a97..4fd8d783993e 100644
--- a/drivers/firmware/efi/cper_cxl.c
+++ b/drivers/firmware/efi/cper_cxl.c
@@ -18,17 +18,6 @@
 #define PROT_ERR_VALID_DVSEC			BIT_ULL(5)
 #define PROT_ERR_VALID_ERROR_LOG		BIT_ULL(6)
 
-/* CXL RAS Capability Structure, CXL v3.0 sec 8.2.4.16 */
-struct cxl_ras_capability_regs {
-	u32 uncor_status;
-	u32 uncor_mask;
-	u32 uncor_severity;
-	u32 cor_status;
-	u32 cor_mask;
-	u32 cap_control;
-	u32 header_log[16];
-};
-
 static const char * const prot_err_agent_type_strs[] = {
 	"Restricted CXL Device",
 	"Restricted CXL Host Downstream Port",
diff --git a/drivers/firmware/efi/cper_cxl.h b/drivers/firmware/efi/cper_cxl.h
index 86bfcf7909ec..0d248ad888a1 100644
--- a/drivers/firmware/efi/cper_cxl.h
+++ b/drivers/firmware/efi/cper_cxl.h
@@ -7,14 +7,11 @@
  * Author: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
  */
 
+#include <cxl/event.h>
+
 #ifndef LINUX_CPER_CXL_H
 #define LINUX_CPER_CXL_H
 
-/* CXL Protocol Error Section */
-#define CPER_SEC_CXL_PROT_ERR						\
-	GUID_INIT(0x80B9EFB4, 0x52B5, 0x4DE3, 0xA7, 0x77, 0x68, 0x78,	\
-		  0x4B, 0x77, 0x10, 0x48)
-
 #pragma pack(1)
 
 /* Compute Express Link Protocol Error Section, UEFI v2.10 sec N.2.13 */
diff --git a/include/cxl/event.h b/include/cxl/event.h
index 0bea1afbd747..57b4630568f6 100644
--- a/include/cxl/event.h
+++ b/include/cxl/event.h
@@ -147,6 +147,17 @@ struct cxl_cper_event_rec {
 	union cxl_event event;
 } __packed;
 
+/* CXL RAS Capability Structure, CXL v3.0 sec 8.2.4.16 */
+struct cxl_ras_capability_regs {
+	u32 uncor_status;
+	u32 uncor_mask;
+	u32 uncor_severity;
+	u32 cor_status;
+	u32 cor_mask;
+	u32 cap_control;
+	u32 header_log[16];
+};
+
 struct cxl_cper_work_data {
 	enum cxl_event_type event_type;
 	struct cxl_cper_event_rec rec;
diff --git a/include/linux/cper.h b/include/linux/cper.h
index 265b0f8fc0b3..5c6d4d5b9975 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -89,6 +89,10 @@ enum {
 #define CPER_NOTIFY_DMAR						\
 	GUID_INIT(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E,	\
 		  0x72, 0x2D, 0xEB, 0x41)
+/* CXL Protocol Error Section */
+#define CPER_SEC_CXL_PROT_ERR						\
+	GUID_INIT(0x80B9EFB4, 0x52B5, 0x4DE3, 0xA7, 0x77, 0x68, 0x78,	\
+		  0x4B, 0x77, 0x10, 0x48)
 
 /* CXL Event record UUIDs are formatted as GUIDs and reported in section type */
 /*
-- 
2.17.1
Re: [PATCH v2 1/4] efi/cper, cxl: Make definitions and structures global
Posted by Dan Williams 1 month, 3 weeks ago
Smita Koralahalli wrote:
> In preparation to add tracepoint support, move protocol error UUID
> definition to a common location and make CXL RAS capability struct
> global for use across different modules.
> 
> Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
> Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> Reviewed-by: Alison Schofield <alison.schofield@intel.com>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

LGTM

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Re: [PATCH v2 1/4] efi/cper, cxl: Make definitions and structures global
Posted by Ard Biesheuvel 1 month, 3 weeks ago
On Thu, 3 Oct 2024 at 01:02, Dan Williams <dan.j.williams@intel.com> wrote:
>
> Smita Koralahalli wrote:
> > In preparation to add tracepoint support, move protocol error UUID
> > definition to a common location and make CXL RAS capability struct
> > global for use across different modules.
> >
> > Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
> > Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> > Reviewed-by: Alison Schofield <alison.schofield@intel.com>
> > Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
>
> LGTM
>
> Reviewed-by: Dan Williams <dan.j.williams@intel.com>

Acked-by: Ard Biesheuvel <ardb@kernel.org>