On Thu, Oct 27, 2022 at 11:15:18AM +0800, LeoLiu-oc wrote:
> From: leoliu-oc <leoliu-oc@xxxxxxxxxxx>
>
> apei_hest_parse_aer() is used to parse and record the PCI Express AER
> Structure in the HEST Table.
>
> Signed-off-by: leoliu-oc <leoliu-oc@xxxxxxxxxxx>
> ---
> drivers/acpi/apei/hest.c | 119 ++++++++++++++++++++++++++++++++++++++-
> include/acpi/actbl1.h | 69 +++++++++++++++++++++++
> include/acpi/apei.h | 7 +++
> 3 files changed, 194 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
> index 6aef1ee5e1bd..0bfdc18758f5 100644
> --- a/drivers/acpi/apei/hest.c
> +++ b/drivers/acpi/apei/hest.c
> @@ -25,6 +25,7 @@
> #include <linux/platform_device.h>
> #include <acpi/apei.h>
> #include <acpi/ghes.h>
> +#include <linux/pci.h>
>
> #include "apei-internal.h"
>
> @@ -86,7 +87,48 @@ static int hest_esrc_len(struct acpi_hest_header *hest_hdr)
> return len;
> };
>
> -typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data);
> +static inline bool hest_source_is_pcie_aer(struct acpi_hest_header *hest_hdr)
Drop "inline" here and below. This is not a performance path, so it's
more clutter than it's worth.
> +static inline bool hest_match_pci(struct acpi_hest_header *hest_hdr,
> + struct acpi_hest_aer_common *p, struct pci_dev *pci)
> +{
> + if (hest_match_type(hest_hdr, pci))
> + return(hest_match_pci_devfn(p, pci));
No need for parens around hest_match_pci_devfn().
> + else
You can drop the else, too.
> + return false;
> +}
> + * apei_hest_parse_aer - Find the AER structure in the HEST Table and
> + * match it with the PCI device.
> + *
> + * @hest_hdr: To save the acpi aer error source in hest table
> + *
> + * Return 1 if the pci dev matched with the acpi aer error source in
> + * hest table, else return 0.
In comments and commit logs,
s/pci/PCI/
s/aer/AER/
s/acpi/ACPI/
s/hest/HEST/
s/HEST Table/HEST/ (since the "T" in "HEST" stands for "Table")
> +/* HEST Sub-structure for PCIE EndPoint Structure (6) */
PCIe Root Port, if I'm following this correctly.
> +/* HEST Sub-structure for PCIE EndPoint Structure (7) */
PCIe Endpoint.
> +/* HEST Sub-structure for PCIE/PCI Bridge Structure (8) */
PCIe/PCI-X Bridge
