aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJiahui Cen <cenjiahui@huawei.com>2021-01-14 18:06:38 +0800
committerMichael S. Tsirkin <mst@redhat.com>2021-01-17 06:42:54 -0500
commite41ee855283b79dfd0734e573e9b8d091070190b (patch)
treef04368824e89a9cc9cea81ed42cedf0d16d86498
parent4c4465ff1cddc2543abf5ee4c2e4c283cace6da0 (diff)
downloadqemu-e41ee855283b79dfd0734e573e9b8d091070190b.zip
qemu-e41ee855283b79dfd0734e573e9b8d091070190b.tar.gz
qemu-e41ee855283b79dfd0734e573e9b8d091070190b.tar.bz2
acpi: Add addr offset in build_crs
AML needs Address Translation offset to describe how a bridge translates addresses accross the bridge when using an address descriptor, and especially on ARM, the translation offset of pio resource is usually non zero. Therefore, it's necessary to pass offset for pio, mmio32, mmio64 and bus number into build_crs. Acked-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Jiahui Cen <cenjiahui@huawei.com> Message-Id: <20210114100643.10617-4-cenjiahui@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--hw/acpi/aml-build.c18
-rw-r--r--hw/i386/acpi-build.c3
-rw-r--r--hw/pci-host/gpex-acpi.c3
-rw-r--r--include/hw/acpi/aml-build.h4
4 files changed, 17 insertions, 11 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index f976aa6..7b6ebb0 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -2076,7 +2076,9 @@ void build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog)
tpm2_ptr, "TPM2", table_data->len - tpm2_start, 4, NULL, NULL);
}
-Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set)
+Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset,
+ uint32_t mmio32_offset, uint64_t mmio64_offset,
+ uint16_t bus_nr_offset)
{
Aml *crs = aml_resource_template();
CrsRangeSet temp_range_set;
@@ -2189,10 +2191,10 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set)
for (i = 0; i < temp_range_set.io_ranges->len; i++) {
entry = g_ptr_array_index(temp_range_set.io_ranges, i);
aml_append(crs,
- aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED,
- AML_POS_DECODE, AML_ENTIRE_RANGE,
- 0, entry->base, entry->limit, 0,
- entry->limit - entry->base + 1));
+ aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED,
+ AML_POS_DECODE, AML_ENTIRE_RANGE,
+ 0, entry->base, entry->limit, io_offset,
+ entry->limit - entry->base + 1));
crs_range_insert(range_set->io_ranges, entry->base, entry->limit);
}
@@ -2205,7 +2207,7 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set)
aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED,
AML_MAX_FIXED, AML_NON_CACHEABLE,
AML_READ_WRITE,
- 0, entry->base, entry->limit, 0,
+ 0, entry->base, entry->limit, mmio32_offset,
entry->limit - entry->base + 1));
crs_range_insert(range_set->mem_ranges, entry->base, entry->limit);
}
@@ -2217,7 +2219,7 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set)
aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED,
AML_MAX_FIXED, AML_NON_CACHEABLE,
AML_READ_WRITE,
- 0, entry->base, entry->limit, 0,
+ 0, entry->base, entry->limit, mmio64_offset,
entry->limit - entry->base + 1));
crs_range_insert(range_set->mem_64bit_ranges,
entry->base, entry->limit);
@@ -2230,7 +2232,7 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set)
0,
pci_bus_num(host->bus),
max_bus,
- 0,
+ bus_nr_offset,
max_bus - pci_bus_num(host->bus) + 1));
return crs;
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index f18b71d..f56d699 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1360,7 +1360,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
}
aml_append(dev, build_prt(false));
- crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), &crs_range_set);
+ crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), &crs_range_set,
+ 0, 0, 0, 0);
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
aml_append(dsdt, scope);
diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c
index 7f20ee1..11b3db8 100644
--- a/hw/pci-host/gpex-acpi.c
+++ b/hw/pci-host/gpex-acpi.c
@@ -168,7 +168,8 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
* 1. The resources the pci-brige/pcie-root-port need.
* 2. The resources the devices behind pxb need.
*/
- crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), &crs_range_set);
+ crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), &crs_range_set,
+ cfg->pio.base, 0, 0, 0);
aml_append(dev, aml_name_decl("_CRS", crs));
acpi_dsdt_add_pci_osc(dev);
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index e727bea..54a5aec 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -452,7 +452,9 @@ void crs_replace_with_free_ranges(GPtrArray *ranges,
void crs_range_set_init(CrsRangeSet *range_set);
void crs_range_set_free(CrsRangeSet *range_set);
-Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set);
+Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset,
+ uint32_t mmio32_offset, uint64_t mmio64_offset,
+ uint16_t bus_nr_offset);
void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base,
uint64_t len, int node, MemoryAffinityFlags flags);