On Thu, Apr 18, 2019 at 01:02:41PM +0200, Igor Mammedov wrote:
>On Wed, 17 Apr 2019 09:40:38 +0800
>Wei Yang <richardw.y...@linux.intel.com> wrote:
>
>> build_append_foo() API doesn't need explicit endianness conversions
>> which eliminates a source of errors and it makes build_mcfg() look like
>> declarative definition of MCFG table in ACPI spec, which makes it easy
>> to review.
>>
>> Signed-off-by: Wei Yang <richardw.y...@linux.intel.com>
>> Suggested-by: Igor Mammedov <imamm...@redhat.com>
>Thanks for nice cleanup!
Glad you like it. :-)
>
>with comment fixed up:
>Reviewed-by: Igor Mammedov <imamm...@redhat.com>
>
>> ---
>> hw/acpi/pci.c | 30 ++++++++++++++++++------------
>> include/hw/acpi/acpi-defs.h | 18 ------------------
>> 2 files changed, 18 insertions(+), 30 deletions(-)
>>
>> diff --git a/hw/acpi/pci.c b/hw/acpi/pci.c
>> index fa0fa30bb9..05050fa087 100644
>> --- a/hw/acpi/pci.c
>> +++ b/hw/acpi/pci.c
>> @@ -30,17 +30,23 @@
>>
>> void build_mcfg(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info)
>> {
>> - AcpiTableMcfg *mcfg;
>> - int len = sizeof(*mcfg) + sizeof(mcfg->allocation[0]);
>> -
>> - mcfg = acpi_data_push(table_data, len);
>> - mcfg->allocation[0].address = cpu_to_le64(info->base);
>> -
>> - /* Only a single allocation so no need to play with segments */
>> - mcfg->allocation[0].pci_segment = cpu_to_le16(0);
>> - mcfg->allocation[0].start_bus_number = 0;
>> - mcfg->allocation[0].end_bus_number = PCIE_MMCFG_BUS(info->size - 1);
>> -
>> - build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL,
>> NULL);
>> + int mcfg_start = table_data->len;
>> +
>> + acpi_data_push(table_data, sizeof(AcpiTableHeader));
>> +
>> + /* PCI fw r3.0 MCFG table. */
>It would be better to put spec name as is here so simple search
>could immediately point to it.
>
>like: PCI Firmware Specification, Revision 3.0
> 4.1.2 MCFG Table Description
>
Sure, will change to this.
--
Wei Yang
Help you, Help me
