[PATCH v3 09/23] drm/xe/log: Add SIGID log helpers for errno-only

For the software based SIGID errors, we will usually want to pass
only the errno value as the data to be logged in the dmesg line or
the CPER record. Add simple wrappers for that.

Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
---
Cc: Aravind Iddamsetty <[email protected]>
Cc: Mallesh Koujalagi <[email protected]>
---
v2: include linux/err.h (Sashiko)
    add xe_log_err_corrected (Michal)
---
 drivers/gpu/drm/xe/xe_log.h | 52 +++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_log.h b/drivers/gpu/drm/xe/xe_log.h
index c30db02950b0..5716fb7eeb31 100644
--- a/drivers/gpu/drm/xe/xe_log.h
+++ b/drivers/gpu/drm/xe/xe_log.h
@@ -7,6 +7,7 @@
 #define _XE_LOG_H_
 
 #include <linux/cper.h>
+#include <linux/err.h>
 
 #include "abi/xe_log_abi.h"
 #include "abi/xe_sigid_abi.h"
@@ -103,4 +104,55 @@ void xe_log_emit(struct pci_dev *pdev, int cper_sev, enum xe_sigid sigid,
 	xe_log_from((any), (cper_sev), (int)XE_LOG_COMPONENT_##TAG##_SIGID, \
 		    XE_LOG_COMPONENT_##TAG, (data), (len), fmt, ##args)
 
+/**
+ * xe_log_err() - Emit a structured SIGID error log entry on the component behalf.
+ * @any: the &xe_device or &xe_tile or &xe_gt pointer this report relates to
+ * @TAG: the component tag to use
+ * @err: negative errno for the failing operation, or 0 if not applicable
+ * @fmt: printf-style free text format string (not a stable interface)
+ * @args: arguments for the @fmt format string
+ *
+ * The log entry will be emitted with @CPER_SEV_RECOVERABLE severity.
+ */
+#define xe_log_err(any, TAG, err, fmt, args...) \
+	xe_log_comp((any), CPER_SEV_RECOVERABLE, TAG, ERR_PTR(err), 0, fmt, ##args)
+
+/**
+ * xe_log_err_fatal() - Emit a structured SIGID error log entry on the component behalf.
+ * @any: the &xe_device or &xe_tile or &xe_gt pointer this report relates to
+ * @TAG: the component tag to use
+ * @err: negative errno for the failing operation, or 0 if not applicable
+ * @fmt: printf-style free text format string (not a stable interface)
+ * @args: arguments for the @fmt format string
+ *
+ * The log entry will be emitted with @CPER_SEV_FATAL severity.
+ */
+#define xe_log_err_fatal(any, TAG, err, fmt, args...) \
+	xe_log_comp((any), CPER_SEV_FATAL, TAG, ERR_PTR(err), 0, fmt, ##args)
+
+/**
+ * xe_log_err_corrected() - Emit a structured SIGID error log entry on the component behalf.
+ * @any: the &xe_device or &xe_tile or &xe_gt pointer this report relates to
+ * @TAG: the component tag to use
+ * @err: negative errno for the failing operation, or 0 if not applicable
+ * @fmt: printf-style free text format string (not a stable interface)
+ * @args: arguments for the @fmt format string
+ *
+ * The log entry will be emitted with @CPER_SEV_CORRECTED severity.
+ */
+#define xe_log_err_corrected(any, TAG, err, fmt, args...) \
+	xe_log_comp((any), CPER_SEV_CORRECTED, TAG, ERR_PTR(err), 0, fmt, ##args)
+
+/**
+ * xe_log_info() - Emit a structured SIGID information log entry on the component behalf.
+ * @any: the &xe_device or &xe_tile or &xe_gt pointer this report relates to
+ * @TAG: the component tag to use
+ * @fmt: printf-style free text format string (not a stable interface)
+ * @args: arguments for the @fmt format string
+ *
+ * The log entry will be emitted with @CPER_SEV_INFORMATIONAL severity.
+ */
+#define xe_log_info(any, TAG, fmt, args...) \
+	xe_log_comp((any), CPER_SEV_INFORMATIONAL, TAG, NULL, 0, fmt, ##args)
+
 #endif
-- 
2.47.1