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SubjectRe: [PATCH 1/5] ACPI/APEI: Add apei_hest_parse_aer()
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在 2022/10/28 6:07, Bjorn Helgaas 写道:
> On Thu, Oct 27, 2022 at 11:15:18AM +0800, LeoLiu-oc wrote:
>> From: leoliu-oc <leoliu-oc@zhaoxin.com>
>>
>> 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@zhaoxin.com>
>> ---
>> 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.

Yes, I agree with it. Will fix it in the next version.

Thanks
leoliu-oc

>> +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.
>

Yes, Agree with it. I will also fix it in the next version.

Thanks
leoliu-oc
>> + 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

Got it, will modify it in the next version.

Thanks
leoliu-oc

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