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

pc and misc cleanups and fixes, virtio optimizations

Included here:
Refactoring and bugfix patches in PC/ACPI.
New commands for ipmi.
Virtio optimizations.

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

# gpg: Signature made Sat 06 Feb 2016 18:44:26 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream: (45 commits)
  net: set endianness on all backend devices
  fix MSI injection on Xen
  intel_iommu: large page support
  dimm: Correct type of MemoryHotplugState->base
  pc: set the OEM fields in the RSDT and the FADT from the SLIC
  acpi: add function to extract oem_id and oem_table_id from the user's SLIC
  acpi: expose oem_id and oem_table_id in build_rsdt()
  acpi: take oem_id in build_header(), optionally
  pc: Eliminate PcGuestInfo struct
  pc: Move APIC and NUMA data from PcGuestInfo to PCMachineState
  pc: Move PcGuestInfo.fw_cfg to PCMachineState
  pc: Remove PcGuestInfo.isapc_ram_fw field
  pc: Remove RAM size fields from PcGuestInfo
  pc: Remove compat fields from PcGuestInfo
  acpi: Don't save PcGuestInfo on AcpiBuildState
  acpi: Remove guest_info parameters from functions
  pc: Simplify xen_load_linux() signature
  pc: Simplify pc_memory_init() signature
  pc: Eliminate struct PcGuestInfoState
  pc: Move PcGuestInfo declaration to top of file
  ...

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

3 files changed, 28 insertions, 6 deletions

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 21d2ea0c9c..603068b5ea 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1426,12 +1426,17 @@ Aml *aml_alias(const char *source_object, const char *alias_object)
 void
 build_header(GArray *linker, GArray *table_data,
              AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
-             const char *oem_table_id)
+             const char *oem_id, const char *oem_table_id)
 {
     memcpy(&h->signature, sig, 4);
     h->length = cpu_to_le32(len);
     h->revision = rev;
-    memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
+
+    if (oem_id) {
+        strncpy((char *)h->oem_id, oem_id, sizeof h->oem_id);
+    } else {
+        memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
+    }
 
     if (oem_table_id) {
         strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id));
@@ -1487,7 +1492,8 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre)
 
 /* Build rsdt table */
 void
-build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets)
+build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets,
+           const char *oem_id, const char *oem_table_id)
 {
     AcpiRsdtDescriptorRev1 *rsdt;
     size_t rsdt_len;
@@ -1506,5 +1512,5 @@ build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets)
                                        sizeof(uint32_t));
     }
     build_header(linker, table_data,
-                 (void *)rsdt, "RSDT", rsdt_len, 1, NULL);
+                 (void *)rsdt, "RSDT", rsdt_len, 1, oem_id, oem_table_id);
 }
diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 397e6da9b6..edf3f960a7 100644
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -350,6 +350,22 @@ uint8_t *acpi_table_next(uint8_t *current)
     }
 }
 
+int acpi_get_slic_oem(AcpiSlicOem *oem)
+{
+    uint8_t *u;
+
+    for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
+        struct acpi_table_header *hdr = (void *)(u - sizeof(hdr->_length));
+
+        if (memcmp(hdr->sig, "SLIC", 4) == 0) {
+            oem->id = hdr->oem_id;
+            oem->table_id = hdr->oem_table_id;
+            return 0;
+        }
+    }
+    return -1;
+}
+
 static void acpi_notify_wakeup(Notifier *notifier, void *data)
 {
     ACPIREGS *ar = container_of(notifier, ACPIREGS, wakeup);
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 7ee7e1623c..49ee68e614 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -366,7 +366,7 @@ static void nvdimm_build_nfit(GSList *device_list, GArray *table_offsets,
 
     build_header(linker, table_data,
                  (void *)(table_data->data + header), "NFIT",
-                 sizeof(NvdimmNfitHeader) + structures->len, 1, NULL);
+                 sizeof(NvdimmNfitHeader) + structures->len, 1, NULL, NULL);
     g_array_free(structures, true);
 }
 
@@ -471,7 +471,7 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
     g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - ssdt->buf->len),
-        "SSDT", ssdt->buf->len, 1, "NVDIMM");
+        "SSDT", ssdt->buf->len, 1, NULL, "NVDIMM");
     free_aml_allocator();
 }