OS-1149 update to latest acpica release; transition to ACPI 5.0

6 files changed, 204 insertions, 80 deletions

diff --git a/usr/src/uts/intel/io/acpica/tables/tbfadt.c b/usr/src/uts/intel/io/acpica/tables/tbfadt.c
index f8c63408b9..e877320447 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbfadt.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbfadt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -77,14 +77,15 @@ AcpiTbSetupFadtRegisters (
 typedef struct acpi_fadt_info
 {
     char                    *Name;
-    UINT8                   Address64;
-    UINT8                   Address32;
-    UINT8                   Length;
+    UINT16                  Address64;
+    UINT16                  Address32;
+    UINT16                  Length;
     UINT8                   DefaultLength;
     UINT8                   Type;
 
 } ACPI_FADT_INFO;
 
+#define ACPI_FADT_OPTIONAL          0
 #define ACPI_FADT_REQUIRED          1
 #define ACPI_FADT_SEPARATE_LENGTH   2
 
@@ -102,7 +103,7 @@ static ACPI_FADT_INFO     FadtInfoTable[] =
         ACPI_FADT_OFFSET (Pm1bEventBlock),
         ACPI_FADT_OFFSET (Pm1EventLength),
         ACPI_PM1_REGISTER_WIDTH * 2,        /* Enable + Status register */
-        0},
+        ACPI_FADT_OPTIONAL},
 
     {"Pm1aControlBlock",
         ACPI_FADT_OFFSET (XPm1aControlBlock),
@@ -116,7 +117,7 @@ static ACPI_FADT_INFO     FadtInfoTable[] =
         ACPI_FADT_OFFSET (Pm1bControlBlock),
         ACPI_FADT_OFFSET (Pm1ControlLength),
         ACPI_PM1_REGISTER_WIDTH,
-        0},
+        ACPI_FADT_OPTIONAL},
 
     {"Pm2ControlBlock",
         ACPI_FADT_OFFSET (XPm2ControlBlock),
@@ -156,7 +157,7 @@ static ACPI_FADT_INFO     FadtInfoTable[] =
 typedef struct acpi_fadt_pm_info
 {
     ACPI_GENERIC_ADDRESS    *Target;
-    UINT8                   Source;
+    UINT16                  Source;
     UINT8                   RegisterNum;
 
 } ACPI_FADT_PM_INFO;
@@ -280,8 +281,13 @@ AcpiTbParseFadt (
     AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt,
         ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
 
-    AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
-        ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
+    /* If Hardware Reduced flag is set, there is no FACS */
+
+    if (!AcpiGbl_ReducedHardware)
+    {
+        AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
+            ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
+    }
 }
 
 
@@ -309,13 +315,13 @@ AcpiTbCreateLocalFadt (
 
     /*
      * Check if the FADT is larger than the largest table that we expect
-     * (the ACPI 2.0/3.0 version). If so, truncate the table, and issue
+     * (the ACPI 5.0 version). If so, truncate the table, and issue
      * a warning.
      */
     if (Length > sizeof (ACPI_TABLE_FADT))
     {
         ACPI_WARNING ((AE_INFO,
-            "FADT (revision %u) is longer than ACPI 2.0 version, "
+            "FADT (revision %u) is longer than ACPI 5.0 version, "
             "truncating length %u to %u",
             Table->Revision, Length, (UINT32) sizeof (ACPI_TABLE_FADT)));
     }
@@ -329,6 +335,14 @@ AcpiTbCreateLocalFadt (
     ACPI_MEMCPY (&AcpiGbl_FADT, Table,
         ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
 
+    /* Take a copy of the Hardware Reduced flag */
+
+    AcpiGbl_ReducedHardware = FALSE;
+    if (AcpiGbl_FADT.Flags & ACPI_FADT_HW_REDUCED)
+    {
+        AcpiGbl_ReducedHardware = TRUE;
+    }
+
     /* Convert the local copy of the FADT to the common internal format */
 
     AcpiTbConvertFadt ();
@@ -386,10 +400,6 @@ AcpiTbConvertFadt (
     UINT32                  i;
 
 
-    /* Update the local FADT table header length */
-
-    AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT);
-
     /*
      * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary.
      * Later code will always use the X 64-bit field.
@@ -423,6 +433,13 @@ AcpiTbConvertFadt (
     }
 
     /*
+     * Now we can update the local FADT length to the length of the
+     * current FADT version as defined by the ACPI specification.
+     * Thus, we will have a common FADT internally.
+     */
+    AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT);
+
+    /*
      * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
      * generic address structures as necessary. Later code will always use
      * the 64-bit address structures.
@@ -530,6 +547,13 @@ AcpiTbValidateFadt (
         AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt;
     }
 
+    /* If Hardware Reduced flag is set, we are all done */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        return;
+    }
+
     /* Examine all of the 64-bit extended address fields (X fields) */
 
     for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++)
diff --git a/usr/src/uts/intel/io/acpica/tables/tbfind.c b/usr/src/uts/intel/io/acpica/tables/tbfind.c
index 3b7c420f01..d7e2440b32 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbfind.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbfind.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/tables/tbinstal.c b/usr/src/uts/intel/io/acpica/tables/tbinstal.c
index ab69691a1e..f100ab43f7 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbinstal.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbinstal.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -128,7 +128,6 @@ AcpiTbAddTable (
 {
     UINT32                  i;
     ACPI_STATUS             Status = AE_OK;
-    ACPI_TABLE_HEADER       *OverrideTable = NULL;
 
 
     ACPI_FUNCTION_TRACE (TbAddTable);
@@ -242,26 +241,10 @@ AcpiTbAddTable (
     /*
      * ACPI Table Override:
      * Allow the host to override dynamically loaded tables.
+     * NOTE: the table is fully mapped at this point, and the mapping will
+     * be deleted by TbTableOverride if the table is actually overridden.
      */
-    Status = AcpiOsTableOverride (TableDesc->Pointer, &OverrideTable);
-    if (ACPI_SUCCESS (Status) && OverrideTable)
-    {
-        ACPI_INFO ((AE_INFO,
-            "%4.4s @ 0x%p Table override, replaced with:",
-            TableDesc->Pointer->Signature,
-            ACPI_CAST_PTR (void, TableDesc->Address)));
-
-        /* We can delete the table that was passed as a parameter */
-
-        AcpiTbDeleteTable (TableDesc);
-
-        /* Setup descriptor for the new table */
-
-        TableDesc->Address = ACPI_PTR_TO_PHYSADDR (OverrideTable);
-        TableDesc->Pointer = OverrideTable;
-        TableDesc->Length = OverrideTable->Length;
-        TableDesc->Flags = ACPI_TABLE_ORIGIN_OVERRIDE;
-    }
+    (void) AcpiTbTableOverride (TableDesc->Pointer, TableDesc);
 
     /* Add the table to the global root table list */
 
@@ -283,6 +266,98 @@ Release:
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiTbTableOverride
+ *
+ * PARAMETERS:  TableHeader         - Header for the original table
+ *              TableDesc           - Table descriptor initialized for the
+ *                                    original table. May or may not be mapped.
+ *
+ * RETURN:      Pointer to the entire new table. NULL if table not overridden.
+ *              If overridden, installs the new table within the input table
+ *              descriptor.
+ *
+ * DESCRIPTION: Attempt table override by calling the OSL override functions.
+ *              Note: If the table is overridden, then the entire new table
+ *              is mapped and returned by this function.
+ *
+ ******************************************************************************/
+
+ACPI_TABLE_HEADER *
+AcpiTbTableOverride (
+    ACPI_TABLE_HEADER       *TableHeader,
+    ACPI_TABLE_DESC         *TableDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       *NewTable = NULL;
+    ACPI_PHYSICAL_ADDRESS   NewAddress = 0;
+    UINT32                  NewTableLength = 0;
+    UINT8                   NewFlags;
+    char                    *OverrideType;
+
+
+    /* (1) Attempt logical override (returns a logical address) */
+
+    Status = AcpiOsTableOverride (TableHeader, &NewTable);
+    if (ACPI_SUCCESS (Status) && NewTable)
+    {
+        NewAddress = ACPI_PTR_TO_PHYSADDR (NewTable);
+        NewTableLength = NewTable->Length;
+        NewFlags = ACPI_TABLE_ORIGIN_OVERRIDE;
+        OverrideType = "Logical";
+        goto FinishOverride;
+    }
+
+    /* (2) Attempt physical override (returns a physical address) */
+
+    Status = AcpiOsPhysicalTableOverride (TableHeader,
+        &NewAddress, &NewTableLength);
+    if (ACPI_SUCCESS (Status) && NewAddress && NewTableLength)
+    {
+        /* Map the entire new table */
+
+        NewTable = AcpiOsMapMemory (NewAddress, NewTableLength);
+        if (!NewTable)
+        {
+            ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY,
+                "%4.4s %p Attempted physical table override failed",
+                TableHeader->Signature,
+                ACPI_CAST_PTR (void, TableDesc->Address)));
+            return (NULL);
+        }
+
+        OverrideType = "Physical";
+        NewFlags = ACPI_TABLE_ORIGIN_MAPPED;
+        goto FinishOverride;
+    }
+
+    return (NULL); /* There was no override */
+
+
+FinishOverride:
+
+    ACPI_INFO ((AE_INFO,
+        "%4.4s %p %s table override, new table: %p",
+        TableHeader->Signature,
+        ACPI_CAST_PTR (void, TableDesc->Address),
+        OverrideType, NewTable));
+
+    /* We can now unmap/delete the original table (if fully mapped) */
+
+    AcpiTbDeleteTable (TableDesc);
+
+    /* Setup descriptor for the new table */
+
+    TableDesc->Address = NewAddress;
+    TableDesc->Pointer = NewTable;
+    TableDesc->Length = NewTableLength;
+    TableDesc->Flags = NewFlags;
+
+    return (NewTable);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiTbResizeRootTableList
  *
  * PARAMETERS:  None
@@ -435,8 +510,10 @@ AcpiTbDeleteTable (
         ACPI_FREE (TableDesc->Pointer);
         break;
 
+    /* Not mapped or allocated, there is nothing we can do */
+
     default:
-        break;
+        return;
     }
 
     TableDesc->Pointer = NULL;
diff --git a/usr/src/uts/intel/io/acpica/tables/tbutils.c b/usr/src/uts/intel/io/acpica/tables/tbutils.c
index bff6540e07..e8b5705e96 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbutils.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbutils.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,6 +50,7 @@
 #define _COMPONENT          ACPI_TABLES
         ACPI_MODULE_NAME    ("tbutils")
 
+
 /* Local prototypes */
 
 static void
@@ -68,6 +69,7 @@ AcpiTbGetRootTableEntry (
     UINT32                  TableEntrySize);
 
 
+#if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbInitializeFacs
@@ -88,10 +90,19 @@ AcpiTbInitializeFacs (
     ACPI_STATUS             Status;
 
 
+    /* If Hardware Reduced flag is set, there is no FACS */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        AcpiGbl_FACS = NULL;
+        return (AE_OK);
+    }
+
     Status = AcpiGetTableByIndex (ACPI_TABLE_INDEX_FACS,
                 ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &AcpiGbl_FACS));
     return (Status);
 }
+#endif /* !ACPI_REDUCED_HARDWARE */
 
 
 /*******************************************************************************
@@ -415,7 +426,7 @@ AcpiTbCopyDsdt (
  * RETURN:      None
  *
  * DESCRIPTION: Install an ACPI table into the global data structure. The
- *              table override mechanism is implemented here to allow the host
+ *              table override mechanism is called to allow the host
  *              OS to replace any table before it is installed in the root
  *              table array.
  *
@@ -427,11 +438,9 @@ AcpiTbInstallTable (
     char                    *Signature,
     UINT32                  TableIndex)
 {
-    UINT8                   Flags;
-    ACPI_STATUS             Status;
-    ACPI_TABLE_HEADER       *TableToInstall;
-    ACPI_TABLE_HEADER       *MappedTable;
-    ACPI_TABLE_HEADER       *OverrideTable = NULL;
+    ACPI_TABLE_HEADER       *Table;
+    ACPI_TABLE_HEADER       *FinalTable;
+    ACPI_TABLE_DESC         *TableDesc;
 
 
     if (!Address)
@@ -443,70 +452,84 @@ AcpiTbInstallTable (
 
     /* Map just the table header */
 
-    MappedTable = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
-    if (!MappedTable)
+    Table = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
+    if (!Table)
     {
+        ACPI_ERROR ((AE_INFO, "Could not map memory for table [%s] at %p",
+            Signature, ACPI_CAST_PTR (void, Address)));
         return;
     }
 
     /* If a particular signature is expected (DSDT/FACS), it must match */
 
     if (Signature &&
-        !ACPI_COMPARE_NAME (MappedTable->Signature, Signature))
+        !ACPI_COMPARE_NAME (Table->Signature, Signature))
     {
         ACPI_ERROR ((AE_INFO,
             "Invalid signature 0x%X for ACPI table, expected [%s]",
-            *ACPI_CAST_PTR (UINT32, MappedTable->Signature), Signature));
+            *ACPI_CAST_PTR (UINT32, Table->Signature), Signature));
         goto UnmapAndExit;
     }
 
     /*
+     * Initialize the table entry. Set the pointer to NULL, since the
+     * table is not fully mapped at this time.
+     */
+    TableDesc = &AcpiGbl_RootTableList.Tables[TableIndex];
+
+    TableDesc->Address = Address;
+    TableDesc->Pointer = NULL;
+    TableDesc->Length = Table->Length;
+    TableDesc->Flags = ACPI_TABLE_ORIGIN_MAPPED;
+    ACPI_MOVE_32_TO_32 (TableDesc->Signature.Ascii, Table->Signature);
+
+    /*
      * ACPI Table Override:
      *
      * Before we install the table, let the host OS override it with a new
      * one if desired. Any table within the RSDT/XSDT can be replaced,
      * including the DSDT which is pointed to by the FADT.
+     *
+     * NOTE: If the table is overridden, then FinalTable will contain a
+     * mapped pointer to the full new table. If the table is not overridden,
+     * or if there has been a physical override, then the table will be
+     * fully mapped later (in verify table). In any case, we must
+     * unmap the header that was mapped above.
      */
-    Status = AcpiOsTableOverride (MappedTable, &OverrideTable);
-    if (ACPI_SUCCESS (Status) && OverrideTable)
+    FinalTable = AcpiTbTableOverride (Table, TableDesc);
+    if (!FinalTable)
     {
-        ACPI_INFO ((AE_INFO,
-            "%4.4s @ 0x%p Table override, replaced with:",
-            MappedTable->Signature, ACPI_CAST_PTR (void, Address)));
-
-        AcpiGbl_RootTableList.Tables[TableIndex].Pointer = OverrideTable;
-        Address = ACPI_PTR_TO_PHYSADDR (OverrideTable);
-
-        TableToInstall = OverrideTable;
-        Flags = ACPI_TABLE_ORIGIN_OVERRIDE;
-    }
-    else
-    {
-        TableToInstall = MappedTable;
-        Flags = ACPI_TABLE_ORIGIN_MAPPED;
+        FinalTable = Table; /* There was no override */
     }
 
-    /* Initialize the table entry */
-
-    AcpiGbl_RootTableList.Tables[TableIndex].Address = Address;
-    AcpiGbl_RootTableList.Tables[TableIndex].Length = TableToInstall->Length;
-    AcpiGbl_RootTableList.Tables[TableIndex].Flags = Flags;
-
-    ACPI_MOVE_32_TO_32 (
-        &(AcpiGbl_RootTableList.Tables[TableIndex].Signature),
-        TableToInstall->Signature);
+    AcpiTbPrintTableHeader (TableDesc->Address, FinalTable);
 
-    AcpiTbPrintTableHeader (Address, TableToInstall);
+    /* Set the global integer width (based upon revision of the DSDT) */
 
     if (TableIndex == ACPI_TABLE_INDEX_DSDT)
     {
-        /* Global integer width is based upon revision of the DSDT */
+        AcpiUtSetIntegerWidth (FinalTable->Revision);
+    }
 
-        AcpiUtSetIntegerWidth (TableToInstall->Revision);
+    /*
+     * If we have a physical override during this early loading of the ACPI
+     * tables, unmap the table for now. It will be mapped again later when
+     * it is actually used. This supports very early loading of ACPI tables,
+     * before virtual memory is fully initialized and running within the
+     * host OS. Note: A logical override has the ACPI_TABLE_ORIGIN_OVERRIDE
+     * flag set and will not be deleted below.
+     */
+    if (FinalTable != Table)
+    {
+        AcpiTbDeleteTable (TableDesc);
     }
 
+
 UnmapAndExit:
-    AcpiOsUnmapMemory (MappedTable, sizeof (ACPI_TABLE_HEADER));
+
+    /* Always unmap the table header that we mapped above */
+
+    AcpiOsUnmapMemory (Table, sizeof (ACPI_TABLE_HEADER));
 }
 
 
diff --git a/usr/src/uts/intel/io/acpica/tables/tbxface.c b/usr/src/uts/intel/io/acpica/tables/tbxface.c
index 465bf95c64..58dae6935d 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbxface.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbxface.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/usr/src/uts/intel/io/acpica/tables/tbxfroot.c b/usr/src/uts/intel/io/acpica/tables/tbxfroot.c
index e447108ebe..17e52ef7f4 100644
--- a/usr/src/uts/intel/io/acpica/tables/tbxfroot.c
+++ b/usr/src/uts/intel/io/acpica/tables/tbxfroot.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without