Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio: fixes, features

Fixes all over the place.
PXB support for ARM.
boot index for vhost-user-fs.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 17 Jan 2021 11:44:55 GMT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  acpi: Update _DSM method in expected files
  acpi: Enable pxb unit-test for ARM virt machine
  Kconfig: Compile PXB for ARM_VIRT
  acpi/gpex: Exclude pxb's resources from PCI0
  acpi/gpex: Inform os to keep firmware resource map
  acpi: Add addr offset in build_crs
  acpi: Fix unmatched expected DSDT.pxb file
  acpi: Allow DSDT acpi table changes
  vhost-user-fs: add the "bootindex" property
  pci/shpc: don't push attention button when ejecting powered-off device

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 63 insertions, 24 deletions

diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c
index 7f20ee1c98..446912d771 100644
--- a/hw/pci-host/gpex-acpi.c
+++ b/hw/pci-host/gpex-acpi.c
@@ -112,10 +112,26 @@ static void acpi_dsdt_add_pci_osc(Aml *dev)
     UUID = aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D");
     ifctx = aml_if(aml_equal(aml_arg(0), UUID));
     ifctx1 = aml_if(aml_equal(aml_arg(2), aml_int(0)));
-    uint8_t byte_list[1] = {1};
-    buf = aml_buffer(1, byte_list);
+    uint8_t byte_list[] = {
+                0x1 << 0 /* support for functions other than function 0 */ |
+                0x1 << 5 /* support for function 5 */
+                };
+    buf = aml_buffer(ARRAY_SIZE(byte_list), byte_list);
     aml_append(ifctx1, aml_return(buf));
     aml_append(ifctx, ifctx1);
+
+    /*
+     * PCI Firmware Specification 3.1
+     * 4.6.5. _DSM for Ignoring PCI Boot Configurations
+     */
+    /* Arg2: Function Index: 5 */
+    ifctx1 = aml_if(aml_equal(aml_arg(2), aml_int(5)));
+    /*
+     * 0 - The operating system must not ignore the PCI configuration that
+     *     firmware has done at boot time.
+     */
+    aml_append(ifctx1, aml_return(aml_int(0)));
+    aml_append(ifctx, ifctx1);
     aml_append(method, ifctx);
 
     byte_list[0] = 0;
@@ -130,6 +146,8 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
     Aml *method, *crs, *dev, *rbuf;
     PCIBus *bus = cfg->bus;
     CrsRangeSet crs_range_set;
+    CrsRangeEntry *entry;
+    int i;
 
     /* start to construct the tables for pxb */
     crs_range_set_init(&crs_range_set);
@@ -168,7 +186,8 @@ 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);
@@ -176,7 +195,6 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
             aml_append(scope, dev);
         }
     }
-    crs_range_set_free(&crs_range_set);
 
     /* tables for the main */
     dev = aml_device("%s", "PCI0");
@@ -194,36 +212,55 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
     aml_append(method, aml_return(aml_int(cfg->ecam.base)));
     aml_append(dev, method);
 
+    /*
+     * At this point crs_range_set has all the ranges used by pci
+     * busses *other* than PCI0.  These ranges will be excluded from
+     * the PCI0._CRS.
+     */
     rbuf = aml_resource_template();
     aml_append(rbuf,
         aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
                             0x0000, 0x0000, nr_pcie_buses - 1, 0x0000,
                             nr_pcie_buses));
     if (cfg->mmio32.size) {
-        aml_append(rbuf,
-                   aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
-                                    AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000,
-                                    cfg->mmio32.base,
-                                    cfg->mmio32.base + cfg->mmio32.size - 1,
-                                    0x0000,
-                                    cfg->mmio32.size));
+        crs_replace_with_free_ranges(crs_range_set.mem_ranges,
+                                     cfg->mmio32.base,
+                                     cfg->mmio32.base + cfg->mmio32.size - 1);
+        for (i = 0; i < crs_range_set.mem_ranges->len; i++) {
+            entry = g_ptr_array_index(crs_range_set.mem_ranges, i);
+            aml_append(rbuf,
+                aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
+                                 AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000,
+                                 entry->base, entry->limit,
+                                 0x0000, entry->limit - entry->base + 1));
+        }
     }
     if (cfg->pio.size) {
-        aml_append(rbuf,
-                   aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
-                                AML_ENTIRE_RANGE, 0x0000, 0x0000,
-                                cfg->pio.size - 1,
-                                cfg->pio.base,
-                                cfg->pio.size));
+        crs_replace_with_free_ranges(crs_range_set.io_ranges,
+                                     0x0000,
+                                     cfg->pio.size - 1);
+        for (i = 0; i < crs_range_set.io_ranges->len; i++) {
+            entry = g_ptr_array_index(crs_range_set.io_ranges, i);
+            aml_append(rbuf,
+                aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
+                             AML_ENTIRE_RANGE, 0x0000, entry->base,
+                             entry->limit, cfg->pio.base,
+                             entry->limit - entry->base + 1));
+        }
     }
     if (cfg->mmio64.size) {
-        aml_append(rbuf,
-                   aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
-                                    AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000,
-                                    cfg->mmio64.base,
-                                    cfg->mmio64.base + cfg->mmio64.size - 1,
-                                    0x0000,
-                                    cfg->mmio64.size));
+        crs_replace_with_free_ranges(crs_range_set.mem_64bit_ranges,
+                                     cfg->mmio64.base,
+                                     cfg->mmio64.base + cfg->mmio64.size - 1);
+        for (i = 0; i < crs_range_set.mem_64bit_ranges->len; i++) {
+            entry = g_ptr_array_index(crs_range_set.mem_64bit_ranges, i);
+            aml_append(rbuf,
+                aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
+                                 AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000,
+                                 entry->base,
+                                 entry->limit, 0x0000,
+                                 entry->limit - entry->base + 1));
+        }
     }
     aml_append(dev, aml_name_decl("_CRS", rbuf));
 
@@ -242,4 +279,6 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
     aml_append(dev_res0, aml_name_decl("_CRS", crs));
     aml_append(dev, dev_res0);
     aml_append(scope, dev);
+
+    crs_range_set_free(&crs_range_set);
 }