On 19 May 2017 at 21:32, Tyler Baicar <tbaicar@xxxxxxxxxxxxxx> wrote:
> The ACPI 6.1 spec added a timestamp to the generic error data
> entry structure. Print the timestamp out when printing out the
> error information.
>
> Signed-off-by: Tyler Baicar <tbaicar@xxxxxxxxxxxxxx>
> CC: Jonathan (Zhixiong) Zhang <zjzhang@xxxxxxxxxxxxxx>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
> drivers/firmware/efi/cper.c | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
> index 9024757..229cf92 100644
> --- a/drivers/firmware/efi/cper.c
> +++ b/drivers/firmware/efi/cper.c
> @@ -32,6 +32,8 @@
> #include <linux/acpi.h>
> #include <linux/pci.h>
> #include <linux/aer.h>
> +#include <linux/printk.h>
> +#include <linux/bcd.h>
> #include <acpi/ghes.h>
>
> #define INDENT_SP " "
> @@ -387,6 +389,27 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
> pfx, pcie->bridge.secondary_status, pcie->bridge.control);
> }
>
> +static void cper_print_tstamp(const char *pfx,
> + struct acpi_hest_generic_data_v300 *gdata)
> +{
> + __u8 hour, min, sec, day, mon, year, century, *timestamp;
> +
> + if (gdata->validation_bits & ACPI_HEST_GEN_VALID_TIMESTAMP) {
> + timestamp = (__u8 *)&(gdata->time_stamp);
> + sec = bcd2bin(timestamp[0]);
> + min = bcd2bin(timestamp[1]);
> + hour = bcd2bin(timestamp[2]);
> + day = bcd2bin(timestamp[4]);
> + mon = bcd2bin(timestamp[5]);
> + year = bcd2bin(timestamp[6]);
> + century = bcd2bin(timestamp[7]);
> +
> + printk("%s%ststamp: %02d%02d-%02d-%02d %02d:%02d:%02d\n", pfx,
> + (timestamp[3] & 0x1 ? "precise " : "imprecise "),
> + century, year, mon, day, hour, min, sec);
> + }
> +}
> +
> static void
> cper_estatus_print_section(const char *pfx, struct acpi_hest_generic_data *gdata,
> int sec_no)
> @@ -395,6 +418,9 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
> __u16 severity;
> char newpfx[64];
>
> + if (acpi_hest_get_version(gdata) >= 3)
> + cper_print_tstamp(pfx, (struct acpi_hest_generic_data_v300 *)gdata);
> +
> severity = gdata->error_severity;
> printk("%s""Error %d, type: %s\n", pfx, sec_no,
> cper_severity_str(severity));
> --
> Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
> Qualcomm Technologies, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project.
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-efi" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
