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>

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index f976aa6..7b6ebb0 100644 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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);