ACPICA: misc fixes for new Table Manager:

Signed-off-by: NAlexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: NLen Brown <len.brown@intel.com>

drivers/acpi/tables/tbinstal.c

@@ -61,7 +61,7 @@ ACPI_MODULE_NAME("tbinstal")
  *****************************************************************************/
 acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
 {
-	u8 checksum;
+	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(tb_verify_table);
 
@@ -84,17 +84,9 @@ acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
 
 	/* Always calculate checksum, ignore bad checksum if requested */
 
-	checksum = acpi_tb_checksum(ACPI_CAST_PTR(void, table_desc->pointer),
-				    table_desc->length);
-
-#if (ACPI_CHECKSUM_ABORT)
-
-	if (checksum) {
-		return_ACPI_STATUS(AE_BAD_CHECKSUM);
-	}
-#endif
-
-	return_ACPI_STATUS(AE_OK);
+	status =
+	    acpi_tb_verify_checksum(table_desc->pointer, table_desc->length);
+	return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************
@@ -188,7 +180,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
 
 	/* allow_resize flag is a parameter to acpi_initialize_tables */
 
-	if (!(acpi_gbl_root_table_list.flags & ACPI_TABLE_FLAGS_ALLOW_RESIZE)) {
+	if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) {
 		ACPI_ERROR((AE_INFO,
 			    "Resize of Root Table Array is not allowed"));
 		return_ACPI_STATUS(AE_SUPPORT);
@@ -212,18 +204,14 @@ acpi_status acpi_tb_resize_root_table_list(void)
 			    acpi_gbl_root_table_list.size *
 			    sizeof(struct acpi_table_desc));
 
-		if (acpi_gbl_root_table_list.flags & ACPI_TABLE_ORIGIN_MASK ==
-		    ACPI_TABLE_ORIGIN_ALLOCATED) {
+		if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
 			ACPI_FREE(acpi_gbl_root_table_list.tables);
 		}
 	}
 
 	acpi_gbl_root_table_list.tables = tables;
 	acpi_gbl_root_table_list.size += ACPI_ROOT_TABLE_SIZE_INCREMENT;
-	acpi_gbl_root_table_list.flags = (u8) (ACPI_TABLE_ORIGIN_ALLOCATED |
-					       (acpi_gbl_root_table_list.
-						flags &
-						~ACPI_TABLE_ORIGIN_MASK));
+	acpi_gbl_root_table_list.flags |= (u8) ACPI_ROOT_ORIGIN_ALLOCATED;
 
 	return_ACPI_STATUS(AE_OK);
 }
@@ -348,8 +336,7 @@ void acpi_tb_terminate(void)
 	 * Delete the root table array if allocated locally. Array cannot be
 	 * mapped, so we don't need to check for that flag.
 	 */
-	if ((acpi_gbl_root_table_list.flags & ACPI_TABLE_ORIGIN_MASK) ==
-	    ACPI_TABLE_ORIGIN_ALLOCATED) {
+	if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
 		ACPI_FREE(acpi_gbl_root_table_list.tables);
 	}
 
@@ -497,7 +484,7 @@ u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
 	if (table_index < acpi_gbl_root_table_list.count) {
 		is_loaded = (u8)
 		    (acpi_gbl_root_table_list.tables[table_index].
-		     flags & ACPI_TABLE_FLAGS_LOADED);
+		     flags & ACPI_TABLE_IS_LOADED);
 	}
 
 	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
@@ -524,10 +511,10 @@ void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded)
 	if (table_index < acpi_gbl_root_table_list.count) {
 		if (is_loaded) {
 			acpi_gbl_root_table_list.tables[table_index].flags |=
-			    ACPI_TABLE_FLAGS_LOADED;
+			    ACPI_TABLE_IS_LOADED;
 		} else {
 			acpi_gbl_root_table_list.tables[table_index].flags &=
-			    ~ACPI_TABLE_FLAGS_LOADED;
+			    ~ACPI_TABLE_IS_LOADED;
 		}
 	}
 

drivers/acpi/tables/tbxface.c

@@ -82,9 +82,8 @@ acpi_status
 acpi_initialize_tables(struct acpi_table_desc *initial_table_array,
 		       u32 initial_table_count, u8 allow_resize)
 {
-	acpi_physical_address address;
+	acpi_physical_address rsdp_address;
 	acpi_status status;
-	struct acpi_table_rsdp *rsdp;
 
 	ACPI_FUNCTION_TRACE(acpi_initialize_tables);
 
@@ -94,7 +93,7 @@ acpi_initialize_tables(struct acpi_table_desc *initial_table_array,
 	 */
 	if (!initial_table_array) {
 		acpi_gbl_root_table_list.size = initial_table_count;
-		acpi_gbl_root_table_list.flags = ACPI_TABLE_FLAGS_ALLOW_RESIZE;
+		acpi_gbl_root_table_list.flags = ACPI_ROOT_ALLOW_RESIZE;
 
 		status = acpi_tb_resize_root_table_list();
 		if (ACPI_FAILURE(status)) {
@@ -103,37 +102,33 @@ acpi_initialize_tables(struct acpi_table_desc *initial_table_array,
 	} else {
 		/* Root Table Array has been statically allocated by the host */
 
+		ACPI_MEMSET(initial_table_array,
+			    initial_table_count *
+			    sizeof(struct acpi_table_desc), 0);
+
 		acpi_gbl_root_table_list.tables = initial_table_array;
 		acpi_gbl_root_table_list.size = initial_table_count;
-		acpi_gbl_root_table_list.flags = ACPI_TABLE_ORIGIN_UNKNOWN;
+		acpi_gbl_root_table_list.flags = ACPI_ROOT_ORIGIN_UNKNOWN;
 		if (allow_resize) {
-			acpi_gbl_root_table_list.flags =
-			    ACPI_TABLE_FLAGS_ALLOW_RESIZE;
+			acpi_gbl_root_table_list.flags |=
+			    ACPI_ROOT_ALLOW_RESIZE;
 		}
 	}
 
-	/* Get the RSDP and map it */
+	/* Get the address of the RSDP */
 
-	address = acpi_os_get_root_pointer();
-	if (!address) {
+	rsdp_address = acpi_os_get_root_pointer();
+	if (!rsdp_address) {
 		return_ACPI_STATUS(AE_NOT_FOUND);
 	}
 
-	rsdp = acpi_os_map_memory(address, sizeof(struct acpi_table_rsdp));
-	if (!rsdp) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	ACPI_INFO((AE_INFO, "%.8s @ 0x%p",
-		   rsdp->signature, ACPI_CAST_PTR(void, address)));
-
 	/*
 	 * Get the root table (RSDT or XSDT) and extract all entries to the local
 	 * Root Table Array. This array contains the information of the RSDT/XSDT
 	 * in a common, more useable format.
 	 */
-	status = acpi_tb_parse_root_table(rsdp, ACPI_TABLE_ORIGIN_MAPPED);
-	acpi_os_unmap_memory(rsdp, sizeof(struct acpi_table_rsdp));
+	status =
+	    acpi_tb_parse_root_table(rsdp_address, ACPI_TABLE_ORIGIN_MAPPED);
 	return_ACPI_STATUS(status);
 }
 
@@ -164,8 +159,7 @@ acpi_status acpi_reallocate_root_table(void)
 	 * Only reallocate the root table if the host provided a static buffer
 	 * for the table array in the call to acpi_initialize_tables.
 	 */
-	if ((acpi_gbl_root_table_list.flags & ACPI_TABLE_ORIGIN_MASK) !=
-	    ACPI_TABLE_ORIGIN_UNKNOWN) {
+	if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
 		return_ACPI_STATUS(AE_SUPPORT);
 	}
 
@@ -185,7 +179,7 @@ acpi_status acpi_reallocate_root_table(void)
 	acpi_gbl_root_table_list.size = acpi_gbl_root_table_list.count;
 	acpi_gbl_root_table_list.tables = tables;
 	acpi_gbl_root_table_list.flags =
-	    ACPI_TABLE_ORIGIN_ALLOCATED | ACPI_TABLE_FLAGS_ALLOW_RESIZE;
+	    ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE;
 
 	return_ACPI_STATUS(AE_OK);
 }
@@ -247,6 +241,12 @@ acpi_get_table_header(char *signature,
 	acpi_native_uint i;
 	acpi_native_uint j;
 
+	/* Parameter validation */
+
+	if (!signature || !out_table_header) {
+		return (AE_BAD_PARAMETER);
+	}
+
 	/*
 	 * Walk the root table list
 	 */
@@ -267,7 +267,7 @@ acpi_get_table_header(char *signature,
 				acpi_gbl_root_table_list.tables[i].
 				flags & ACPI_TABLE_ORIGIN_MASK);
 
-		if (!out_table_header) {
+		if (!(*out_table_header)) {
 			return (AE_NO_MEMORY);
 		}
 
@@ -339,6 +339,12 @@ acpi_get_table(char *signature,
 	acpi_native_uint j;
 	acpi_status status;
 
+	/* Parameter validation */
+
+	if (!signature || !out_table) {
+		return (AE_BAD_PARAMETER);
+	}
+
 	/*
 	 * Walk the root table list
 	 */
@@ -387,6 +393,12 @@ acpi_get_table_by_index(acpi_native_uint table_index,
 
 	ACPI_FUNCTION_TRACE(acpi_get_table_by_index);
 
+	/* Parameter validation */
+
+	if (!table) {
+		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	}
+
 	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
 
 	/* Validate index */

drivers/acpi/utilities/utmisc.c

@@ -996,9 +996,13 @@ acpi_ut_info(char *module_name, u32 line_number, char *format, ...)
 {
 	va_list args;
 
-	acpi_os_printf("ACPI (%s-%04d): ", module_name, line_number);
+	/*
+	 * Removed module_name, line_number, and acpica version, not needed
+	 * for info output
+	 */
+	acpi_os_printf("ACPI: ");
 
 	va_start(args, format);
 	acpi_os_vprintf(format, args);
-	acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
+	acpi_os_printf("\n");
 }

include/acpi/acconfig.h

@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20060823
+#define ACPI_CA_VERSION                 0x20060828
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,

include/acpi/aclocal.h

@@ -227,6 +227,16 @@ struct acpi_table_desc {
 	u8 flags;
 };
 
+/* Flags for above */
+
+#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
+#define ACPI_TABLE_ORIGIN_MAPPED        (1)
+#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
+#define ACPI_TABLE_ORIGIN_MASK          (3)
+#define ACPI_TABLE_IS_LOADED            (4)
+
+/* One internal RSDT for table management */
+
 struct acpi_internal_rsdt {
 	struct acpi_table_desc *tables;
 	u32 count;
@@ -234,14 +244,11 @@ struct acpi_internal_rsdt {
 	u8 flags;
 };
 
-/* Flags for both structs above */
+/* Flags for above */
 
-#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
-#define ACPI_TABLE_ORIGIN_MAPPED        (1)
-#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
-#define ACPI_TABLE_ORIGIN_MASK          (3)
-#define ACPI_TABLE_FLAGS_LOADED         (4)
-#define ACPI_TABLE_FLAGS_ALLOW_RESIZE   (8)
+#define ACPI_ROOT_ORIGIN_UNKNOWN        (0)	/* ~ORIGIN_ALLOCATED */
+#define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
+#define ACPI_ROOT_ALLOW_RESIZE          (2)
 
 /* Predefined (fixed) table indexes */
 

include/acpi/actables.h

@@ -94,9 +94,11 @@ acpi_tb_print_table_header(acpi_physical_address address,
 
 u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length);
 
-void acpi_tb_convert_fadt(struct acpi_table_fadt *fadt);
+acpi_status
+acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
 
-acpi_status acpi_tb_parse_root_table(struct acpi_table_rsdp *rsdp, u8 flags);
+acpi_status
+acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags);
 
 void *acpi_tb_map(acpi_physical_address address, u32 length, u32 flags);
 

include/acpi/actbl.h

@@ -199,8 +199,8 @@ struct acpi_table_fadt {
 	u32 pm1b_control_block;	/* Port address of Power Mgt 1b Control Reg Blk */
 	u32 pm2_control_block;	/* Port address of Power Mgt 2 Control Reg Blk */
 	u32 pm_timer_block;	/* Port address of Power Mgt Timer Ctrl Reg Blk */
-	u32 gpe0_block;		/* Port addr of General Purpose acpi_event 0 Reg Blk */
-	u32 gpe1_block;		/* Port addr of General Purpose acpi_event 1 Reg Blk */
+	u32 gpe0_block;		/* Port addr of General Purpose Event 0 Reg Blk */
+	u32 gpe1_block;		/* Port addr of General Purpose Event 1 Reg Blk */
 	u8 pm1_event_length;	/* Byte Length of ports at pm1_x_evt_blk */
 	u8 pm1_control_length;	/* Byte Length of ports at pm1_x_cnt_blk */
 	u8 pm2_control_length;	/* Byte Length of ports at pm2_cnt_blk */
@@ -226,14 +226,14 @@ struct acpi_table_fadt {
 	u8 reserved4[3];	/* These three bytes must be zero */
 	u64 Xfacs;		/* 64-bit physical address of FACS */
 	u64 Xdsdt;		/* 64-bit physical address of DSDT */
-	struct acpi_generic_address xpm1a_event_block;	/* Extended Power Mgt 1a acpi_event Reg Blk address */
-	struct acpi_generic_address xpm1b_event_block;	/* Extended Power Mgt 1b acpi_event Reg Blk address */
+	struct acpi_generic_address xpm1a_event_block;	/* Extended Power Mgt 1a Event Reg Blk address */
+	struct acpi_generic_address xpm1b_event_block;	/* Extended Power Mgt 1b Event Reg Blk address */
 	struct acpi_generic_address xpm1a_control_block;	/* Extended Power Mgt 1a Control Reg Blk address */
 	struct acpi_generic_address xpm1b_control_block;	/* Extended Power Mgt 1b Control Reg Blk address */
 	struct acpi_generic_address xpm2_control_block;	/* Extended Power Mgt 2 Control Reg Blk address */
 	struct acpi_generic_address xpm_timer_block;	/* Extended Power Mgt Timer Ctrl Reg Blk address */
-	struct acpi_generic_address xgpe0_block;	/* Extended General Purpose acpi_event 0 Reg Blk address */
-	struct acpi_generic_address xgpe1_block;	/* Extended General Purpose acpi_event 1 Reg Blk address */
+	struct acpi_generic_address xgpe0_block;	/* Extended General Purpose Event 0 Reg Blk address */
+	struct acpi_generic_address xgpe1_block;	/* Extended General Purpose Event 1 Reg Blk address */
 };
 
 /* FADT flags */