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Re: [PATCH v2 03/13] acpi: madt: skip pci override on pci-less systems (
From: |
Igor Mammedov |
Subject: |
Re: [PATCH v2 03/13] acpi: madt: skip pci override on pci-less systems (microvm) |
Date: |
Tue, 5 May 2020 16:10:50 +0200 |
On Tue, 5 May 2020 15:42:55 +0200
Gerd Hoffmann <address@hidden> wrote:
> Signed-off-by: Gerd Hoffmann <address@hidden>
Reviewed-by: Igor Mammedov <address@hidden>
> ---
> hw/i386/acpi-common.h | 3 ++-
> hw/i386/acpi-build.c | 2 +-
> hw/i386/acpi-common.c | 26 +++++++++++++++-----------
> 3 files changed, 18 insertions(+), 13 deletions(-)
>
> diff --git a/hw/i386/acpi-common.h b/hw/i386/acpi-common.h
> index c30e461f1854..9cac18dddf5b 100644
> --- a/hw/i386/acpi-common.h
> +++ b/hw/i386/acpi-common.h
> @@ -9,6 +9,7 @@
> #define ACPI_BUILD_IOAPIC_ID 0x0
>
> void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
> - X86MachineState *x86ms, AcpiDeviceIf *adev);
> + X86MachineState *x86ms, AcpiDeviceIf *adev,
> + bool has_pci);
>
> #endif
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index eb530e5cd56d..4cce2192eeb0 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -2441,7 +2441,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState
> *machine)
>
> acpi_add_table(table_offsets, tables_blob);
> acpi_build_madt(tables_blob, tables->linker, x86ms,
> - ACPI_DEVICE_IF(pcms->acpi_dev));
> + ACPI_DEVICE_IF(pcms->acpi_dev), true);
>
> vmgenid_dev = find_vmgenid_dev();
> if (vmgenid_dev) {
> diff --git a/hw/i386/acpi-common.c b/hw/i386/acpi-common.c
> index 5caca16a0b59..ab9b00581a15 100644
> --- a/hw/i386/acpi-common.c
> +++ b/hw/i386/acpi-common.c
> @@ -72,7 +72,8 @@ void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
> }
>
> void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
> - X86MachineState *x86ms, AcpiDeviceIf *adev)
> + X86MachineState *x86ms, AcpiDeviceIf *adev,
> + bool has_pci)
> {
> MachineClass *mc = MACHINE_GET_CLASS(x86ms);
> const CPUArchIdList *apic_ids =
> mc->possible_cpu_arch_ids(MACHINE(x86ms));
> @@ -111,18 +112,21 @@ void acpi_build_madt(GArray *table_data, BIOSLinker
> *linker,
> intsrcovr->gsi = cpu_to_le32(2);
> intsrcovr->flags = cpu_to_le16(0); /* conforms to bus
> specifications */
> }
> - for (i = 1; i < 16; i++) {
> +
> + if (has_pci) {
> + for (i = 1; i < 16; i++) {
> #define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
> - if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) {
> - /* No need for a INT source override structure. */
> - continue;
> + if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) {
> + /* No need for a INT source override structure. */
> + continue;
> + }
> + intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
> + intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
> + intsrcovr->length = sizeof(*intsrcovr);
> + intsrcovr->source = i;
> + intsrcovr->gsi = cpu_to_le32(i);
> + intsrcovr->flags = cpu_to_le16(0xd); /* active high, level
> triggered */
> }
> - intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
> - intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
> - intsrcovr->length = sizeof(*intsrcovr);
> - intsrcovr->source = i;
> - intsrcovr->gsi = cpu_to_le32(i);
> - intsrcovr->flags = cpu_to_le16(0xd); /* active high, level
> triggered */
> }
>
> if (x2apic_mode) {
- [PATCH v2 02/13] acpi: create acpi-common.c and move madt code, (continued)
[PATCH v2 03/13] acpi: madt: skip pci override on pci-less systems (microvm), Gerd Hoffmann, 2020/05/05
[PATCH v2 11/13] microvm: add acpi_dsdt_add_virtio() for x86, Gerd Hoffmann, 2020/05/05
[PATCH v2 13/13] microvm/acpi: use GSI 16-23 for virtio, Gerd Hoffmann, 2020/05/05
[PATCH v2 04/13] acpi: move acpi_build_facs to acpi-common.c, Gerd Hoffmann, 2020/05/05
[PATCH v2 12/13] microvm: make virtio irq base runtime configurable, Gerd Hoffmann, 2020/05/05