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[PULL 34/57] acpi: build_amd_iommu: use acpi_table_begin()/acpi_table_en
From: |
Michael S. Tsirkin |
Subject: |
[PULL 34/57] acpi: build_amd_iommu: use acpi_table_begin()/acpi_table_end() instead of build_header() |
Date: |
Tue, 5 Oct 2021 12:03:16 -0400 |
From: Igor Mammedov <imammedo@redhat.com>
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-21-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
hw/i386/acpi-build.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index e5cc4f7daa..d9e2b5dc30 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2341,12 +2341,12 @@ build_amd_iommu(GArray *table_data, BIOSLinker *linker,
const char *oem_id,
const char *oem_table_id)
{
int ivhd_table_len = 24;
- int iommu_start = table_data->len;
AMDVIState *s = AMD_IOMMU_DEVICE(x86_iommu_get_default());
GArray *ivhd_blob = g_array_new(false, true, 1);
+ AcpiTable table = { .sig = "IVRS", .rev = 1, .oem_id = oem_id,
+ .oem_table_id = oem_table_id };
- /* IVRS header */
- acpi_data_push(table_data, sizeof(AcpiTableHeader));
+ acpi_table_begin(&table, table_data);
/* IVinfo - IO virtualization information common to all
* IOMMU units in a system
*/
@@ -2431,10 +2431,7 @@ build_amd_iommu(GArray *table_data, BIOSLinker *linker,
const char *oem_id,
0x48, /* special device
*/
8);
}
-
- build_header(linker, table_data, (void *)(table_data->data + iommu_start),
- "IVRS", table_data->len - iommu_start, 1, oem_id,
- oem_table_id);
+ acpi_table_end(linker, &table);
}
typedef
--
MST
- [PULL 21/57] acpi: acpi_build_hest: use acpi_table_begin()/acpi_table_end() instead of build_header(), (continued)
- [PULL 21/57] acpi: acpi_build_hest: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 23/57] acpi: build_hmat: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 26/57] acpi: vmgenid_build_acpi: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 25/57] acpi: nvdimm_build_ssdt: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 24/57] acpi: nvdimm_build_nfit: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 30/57] acpi: arm/x86: build_srat: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 28/57] acpi: build_hpet: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 31/57] acpi: use build_append_int_noprefix() API to compose SRAT table, Michael S. Tsirkin, 2021/10/05
- [PULL 29/57] acpi: build_tpm_tcpa: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 32/57] acpi: build_dmar_q35: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 34/57] acpi: build_amd_iommu: use acpi_table_begin()/acpi_table_end() instead of build_header(),
Michael S. Tsirkin <=
- [PULL 36/57] acpi: x86: remove dead code, Michael S. Tsirkin, 2021/10/05
- [PULL 37/57] acpi: x86: set enabled when composing _MAT entries, Michael S. Tsirkin, 2021/10/05
- [PULL 35/57] acpi: madt: arm/x86: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 38/57] acpi: x86: madt: use build_append_int_noprefix() API to compose MADT table, Michael S. Tsirkin, 2021/10/05
- [PULL 39/57] acpi: arm/virt: madt: use build_append_int_noprefix() API to compose MADT table, Michael S. Tsirkin, 2021/10/05
- [PULL 40/57] acpi: build_dsdt_microvm: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 42/57] acpi: arm: virt: build_iort: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05
- [PULL 01/57] hw/virtio: Acquire RCU read lock in virtqueue_packed_drop_all(), Michael S. Tsirkin, 2021/10/05
- [PULL 44/57] acpi: arm/virt: build_spcr: fix invalid cast, Michael S. Tsirkin, 2021/10/05
- [PULL 41/57] acpi: arm: virt: build_dsdt: use acpi_table_begin()/acpi_table_end() instead of build_header(), Michael S. Tsirkin, 2021/10/05