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path: root/drivers/acpi/apei/cper.c
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Diffstat (limited to 'drivers/acpi/apei/cper.c')
-rw-r--r--drivers/acpi/apei/cper.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index 31464a006d76..5d4189464d63 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -29,6 +29,7 @@
#include <linux/time.h>
#include <linux/cper.h>
#include <linux/acpi.h>
+#include <linux/aer.h>
/*
* CPER record ID need to be unique even after reboot, because record
@@ -70,8 +71,8 @@ static const char *cper_severity_str(unsigned int severity)
* If the output length is longer than 80, multiple line will be
* printed, with @pfx is printed at the beginning of each line.
*/
-static void cper_print_bits(const char *pfx, unsigned int bits,
- const char *strs[], unsigned int strs_size)
+void cper_print_bits(const char *pfx, unsigned int bits,
+ const char *strs[], unsigned int strs_size)
{
int i, len = 0;
const char *str;
@@ -81,6 +82,8 @@ static void cper_print_bits(const char *pfx, unsigned int bits,
if (!(bits & (1U << i)))
continue;
str = strs[i];
+ if (!str)
+ continue;
if (len && len + strlen(str) + 2 > 80) {
printk("%s\n", buf);
len = 0;
@@ -243,7 +246,8 @@ static const char *cper_pcie_port_type_strs[] = {
"root complex event collector",
};
-static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie)
+static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
+ const struct acpi_hest_generic_data *gdata)
{
if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE)
printk("%s""port_type: %d, %s\n", pfx, pcie->port_type,
@@ -276,6 +280,12 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie)
printk(
"%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
pfx, pcie->bridge.secondary_status, pcie->bridge.control);
+#ifdef CONFIG_ACPI_APEI_PCIEAER
+ if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO) {
+ struct aer_capability_regs *aer_regs = (void *)pcie->aer_info;
+ cper_print_aer(pfx, gdata->error_severity, aer_regs);
+ }
+#endif
}
static const char *apei_estatus_section_flag_strs[] = {
@@ -322,7 +332,7 @@ static void apei_estatus_print_section(
struct cper_sec_pcie *pcie = (void *)(gdata + 1);
printk("%s""section_type: PCIe error\n", pfx);
if (gdata->error_data_length >= sizeof(*pcie))
- cper_print_pcie(pfx, pcie);
+ cper_print_pcie(pfx, pcie, gdata);
else
goto err_section_too_small;
} else