ACPI: Interpreter update to 20030321

- Walking a list in the ISR is now required, so add a spinlock
- Add core support for GPE Block devices
- Change GPE interface accordingly

drivers/acpi/ec.c

@@ -378,7 +378,7 @@ acpi_ec_gpe_query (
 	acpi_evaluate_object(ec->handle, object_name, NULL, NULL);
 
 end:
-	acpi_enable_event(ec->gpe_bit, ACPI_EVENT_GPE, 0);
+	acpi_enable_gpe(NULL, ec->gpe_bit, 0);
 }
 
 static void
@@ -391,7 +391,7 @@ acpi_ec_gpe_handler (
 	if (!ec)
 		return;
 
-	acpi_disable_event(ec->gpe_bit, ACPI_EVENT_GPE, 0);
+	acpi_disable_gpe(NULL, ec->gpe_bit, 0);
 
 	status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
 		acpi_ec_gpe_query, ec);
@@ -589,12 +589,13 @@ acpi_ec_add (
 		acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
 			ACPI_ADR_SPACE_EC, &acpi_ec_space_handler);
 	
-		acpi_remove_gpe_handler(ec_ecdt->gpe_bit, &acpi_ec_gpe_handler);
+		acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit, &acpi_ec_gpe_handler);
 
 		kfree(ec_ecdt);
 	}
 
 	/* Get GPE bit assignment (EC events). */
+	/* TODO: Add support for _GPE returning a package */
 	status = acpi_evaluate_integer(ec->handle, "_GPE", NULL, &ec->gpe_bit);
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -714,7 +715,7 @@ acpi_ec_start (
 	/*
 	 * Install GPE handler
 	 */
-	status = acpi_install_gpe_handler(ec->gpe_bit,
+	status = acpi_install_gpe_handler(NULL, ec->gpe_bit,
 		ACPI_EVENT_EDGE_TRIGGERED, &acpi_ec_gpe_handler, ec);
 	if (ACPI_FAILURE(status)) {
 		return_VALUE(-ENODEV);
@@ -724,7 +725,7 @@ acpi_ec_start (
 			ACPI_ADR_SPACE_EC, &acpi_ec_space_handler,
 			&acpi_ec_space_setup, ec);
 	if (ACPI_FAILURE(status)) {
-		acpi_remove_gpe_handler(ec->gpe_bit, &acpi_ec_gpe_handler);
+		acpi_remove_gpe_handler(NULL, ec->gpe_bit, &acpi_ec_gpe_handler);
 		return_VALUE(-ENODEV);
 	}
 
@@ -752,7 +753,7 @@ acpi_ec_stop (
 	if (ACPI_FAILURE(status))
 		return_VALUE(-ENODEV);
 
-	status = acpi_remove_gpe_handler(ec->gpe_bit, &acpi_ec_gpe_handler);
+	status = acpi_remove_gpe_handler(NULL, ec->gpe_bit, &acpi_ec_gpe_handler);
 	if (ACPI_FAILURE(status))
 		return_VALUE(-ENODEV);
 
@@ -798,7 +799,7 @@ acpi_ec_ecdt_probe (void)
 	/*
 	 * Install GPE handler
 	 */
-	status = acpi_install_gpe_handler(ec_ecdt->gpe_bit,
+	status = acpi_install_gpe_handler(NULL, ec_ecdt->gpe_bit,
 		ACPI_EVENT_EDGE_TRIGGERED, &acpi_ec_gpe_handler,
 		ec_ecdt);
 	if (ACPI_FAILURE(status)) {
@@ -809,7 +810,7 @@ acpi_ec_ecdt_probe (void)
 			ACPI_ADR_SPACE_EC, &acpi_ec_space_handler,
 			&acpi_ec_space_setup, ec_ecdt);
 	if (ACPI_FAILURE(status)) {
-		acpi_remove_gpe_handler(ec_ecdt->gpe_bit,
+		acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit,
 			&acpi_ec_gpe_handler);
 		goto error;
 	}

drivers/acpi/events/evevent.c

@@ -78,9 +78,9 @@ acpi_ev_initialize (
 	}
 
 	/*
-	 * Initialize the Fixed and General Purpose acpi_events prior. This is
-	 * done prior to enabling SCIs to prevent interrupts from occurring
-	 * before handers are installed.
+	 * Initialize the Fixed and General Purpose Events. This is
+	 * done prior to enabling SCIs to prevent interrupts from
+	 * occurring before handers are installed.
 	 */
 	status = acpi_ev_fixed_event_initialize ();
 	if (ACPI_FAILURE (status)) {
@@ -225,7 +225,7 @@ acpi_ev_fixed_event_detect (
 	(void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
-		"Fixed acpi_event Block: Enable %08X Status %08X\n",
+		"Fixed Event Block: Enable %08X Status %08X\n",
 		fixed_enable, fixed_status));
 
 	/*
@@ -282,7 +282,7 @@ acpi_ev_fixed_event_dispatch (
 				0, ACPI_MTX_DO_NOT_LOCK);
 
 		ACPI_REPORT_ERROR (
-			("ev_gpe_dispatch: No installed handler for fixed event [%08X]\n",
+			("No installed handler for fixed event [%08X]\n",
 			event));
 
 		return (ACPI_INTERRUPT_NOT_HANDLED);

drivers/acpi/events/evmisc.c

@@ -525,7 +525,8 @@ acpi_ev_terminate (void)
 	acpi_status                     status;
 	struct acpi_gpe_block_info      *gpe_block;
 	struct acpi_gpe_block_info      *next_gpe_block;
-	struct acpi_gpe_event_info      *gpe_event_info;
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info;
+	struct acpi_gpe_xrupt_info      *next_gpe_xrupt_info;
 
 
 	ACPI_FUNCTION_TRACE ("ev_terminate");
@@ -537,46 +538,29 @@ acpi_ev_terminate (void)
 		 * In all cases, on error, print a message but obviously we don't abort.
 		 */
 
-		/*
-		 * Disable all fixed events
-		 */
+		/* Disable all fixed events */
+
 		for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
-			status = acpi_disable_event ((u32) i, ACPI_EVENT_FIXED, 0);
+			status = acpi_disable_event ((u32) i, 0);
 			if (ACPI_FAILURE (status)) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable fixed event %d\n", (u32) i));
 			}
 		}
 
-		/*
-		 * Disable all GPEs
-		 */
-		gpe_block = acpi_gbl_gpe_block_list_head;
-		while (gpe_block) {
-			gpe_event_info = gpe_block->event_info;
-			for (i = 0; i < (gpe_block->register_count * 8); i++) {
-				status = acpi_hw_disable_gpe (gpe_event_info);
-				if (ACPI_FAILURE (status)) {
-					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable GPE %d\n", (u32) i));
-				}
-
-				gpe_event_info++;
-			}
+		/* Disable all GPEs in all GPE blocks */
 
-			gpe_block = gpe_block->next;
-		}
+		status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
+
+		/* Remove SCI handler */
 
-		/*
-		 * Remove SCI handler
-		 */
 		status = acpi_ev_remove_sci_handler ();
 		if (ACPI_FAILURE(status)) {
 			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not remove SCI handler\n"));
 		}
 	}
 
-	/*
-	 * Return to original mode if necessary
-	 */
+	/* Return to original mode if necessary */
+
 	if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) {
 		status = acpi_disable ();
 		if (ACPI_FAILURE (status)) {
@@ -584,19 +568,23 @@ acpi_ev_terminate (void)
 		}
 	}
 
-	/*
-	 * Free global GPE blocks and related info structures
-	 */
-	gpe_block = acpi_gbl_gpe_block_list_head;
-	while (gpe_block) {
-		next_gpe_block = gpe_block->next;
-		ACPI_MEM_FREE (gpe_block->event_info);
-		ACPI_MEM_FREE (gpe_block->register_info);
-		ACPI_MEM_FREE (gpe_block);
-
-		gpe_block = next_gpe_block;
-	}
+	/* Free global GPE blocks and related info structures */
+
+	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
+	while (gpe_xrupt_info) {
+		gpe_block = gpe_xrupt_info->gpe_block_list_head;
+		while (gpe_block) {
+			next_gpe_block = gpe_block->next;
+			ACPI_MEM_FREE (gpe_block->event_info);
+			ACPI_MEM_FREE (gpe_block->register_info);
+			ACPI_MEM_FREE (gpe_block);
 
+			gpe_block = next_gpe_block;
+		}
+		next_gpe_xrupt_info = gpe_xrupt_info->next;
+		ACPI_MEM_FREE (gpe_xrupt_info);
+		gpe_xrupt_info = next_gpe_xrupt_info;
+	}
 	return_VOID;
 }
 

drivers/acpi/events/evsci.c

@@ -52,26 +52,26 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ev_sci_handler
+ * FUNCTION:    acpi_ev_sci_xrupt_handler
  *
  * PARAMETERS:  Context   - Calling Context
  *
  * RETURN:      Status code indicates whether interrupt was handled.
  *
  * DESCRIPTION: Interrupt handler that will figure out what function or
- *              control method to call to deal with a SCI.  Installed
- *              using BU interrupt support.
+ *              control method to call to deal with a SCI.
  *
  ******************************************************************************/
 
 static u32 ACPI_SYSTEM_XFACE
-acpi_ev_sci_handler (
+acpi_ev_sci_xrupt_handler (
 	void                            *context)
 {
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_list = context;
 	u32                             interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
 
 
-	ACPI_FUNCTION_TRACE("ev_sci_handler");
+	ACPI_FUNCTION_TRACE("ev_sci_xrupt_handler");
 
 
 	/*
@@ -85,11 +85,51 @@ acpi_ev_sci_handler (
 	 */
 	interrupt_handled |= acpi_ev_fixed_event_detect ();
 
+/* TBD: What if there are no GPEs defined? */
+
+	/*
+	 * GPEs:
+	 * Check for and dispatch any GPEs that have occurred
+	 */
+	interrupt_handled |= acpi_ev_gpe_detect (gpe_xrupt_list);
+
+	return_VALUE (interrupt_handled);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_gpe_xrupt_handler
+ *
+ * PARAMETERS:  Context   - Calling Context
+ *
+ * RETURN:      Status code indicates whether interrupt was handled.
+ *
+ * DESCRIPTION: Handler for GPE Block Device interrupts
+ *
+ ******************************************************************************/
+
+u32 ACPI_SYSTEM_XFACE
+acpi_ev_gpe_xrupt_handler (
+	void                            *context)
+{
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_list = context;
+	u32                             interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
+
+
+	ACPI_FUNCTION_TRACE("ev_gpe_xrupt_handler");
+
+
+	/*
+	 * We are guaranteed by the ACPI CA initialization/shutdown code that
+	 * if this interrupt handler is installed, ACPI is enabled.
+	 */
+
 	/*
 	 * GPEs:
 	 * Check for and dispatch any GPEs that have occurred
 	 */
-	interrupt_handled |= acpi_ev_gpe_detect ();
+	interrupt_handled |= acpi_ev_gpe_detect (gpe_xrupt_list);
 
 	return_VALUE (interrupt_handled);
 }
@@ -117,7 +157,7 @@ acpi_ev_install_sci_handler (void)
 
 
 	status = acpi_os_install_interrupt_handler ((u32) acpi_gbl_FADT->sci_int,
-			   acpi_ev_sci_handler, NULL);
+			   acpi_ev_sci_xrupt_handler, acpi_gbl_gpe_xrupt_list_head);
 	return_ACPI_STATUS (status);
 }
 
@@ -153,7 +193,7 @@ acpi_ev_remove_sci_handler (void)
 	/* Just let the OS remove the handler and disable the level */
 
 	status = acpi_os_remove_interrupt_handler ((u32) acpi_gbl_FADT->sci_int,
-			   acpi_ev_sci_handler);
+			   acpi_ev_sci_xrupt_handler);
 
 	return_ACPI_STATUS (status);
 }

drivers/acpi/events/evxface.c

@@ -102,7 +102,7 @@ acpi_install_fixed_event_handler (
 	acpi_gbl_fixed_event_handlers[event].handler = handler;
 	acpi_gbl_fixed_event_handlers[event].context = context;
 
-	status = acpi_enable_event (event, ACPI_EVENT_FIXED, 0);
+	status = acpi_enable_event (event, 0);
 	if (ACPI_FAILURE (status)) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Could not enable fixed event.\n"));
 
@@ -160,7 +160,7 @@ acpi_remove_fixed_event_handler (
 
 	/* Disable the event before removing the handler */
 
-	status = acpi_disable_event(event, ACPI_EVENT_FIXED, 0);
+	status = acpi_disable_event (event, 0);
 
 	/* Always Remove the handler */
 
@@ -471,8 +471,8 @@ acpi_remove_notify_handler (
  *
  * FUNCTION:    acpi_install_gpe_handler
  *
- * PARAMETERS:  gpe_number      - The GPE number.  The numbering scheme is
- *                                bank 0 first, then bank 1.
+ * PARAMETERS:  gpe_number      - The GPE number within the GPE block
+ *              gpe_block       - GPE block (NULL == FADT GPEs)
  *              Type            - Whether this GPE should be treated as an
  *                                edge- or level-triggered interrupt.
  *              Handler         - Address of the handler
@@ -486,6 +486,7 @@ acpi_remove_notify_handler (
 
 acpi_status
 acpi_install_gpe_handler (
+	acpi_handle                     gpe_device,
 	u32                             gpe_number,
 	u32                             type,
 	acpi_gpe_handler                handler,
@@ -504,42 +505,45 @@ acpi_install_gpe_handler (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-	/* Ensure that we have a valid GPE number */
-
-	gpe_event_info = acpi_ev_get_gpe_event_info (gpe_number);
-	if (!gpe_event_info) {
-		return_ACPI_STATUS (AE_BAD_PARAMETER);
-	}
-
 	status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 
+	/* Ensure that we have a valid GPE number */
+
+	gpe_event_info = acpi_ev_get_gpe_event_info (gpe_device, gpe_number);
+	if (!gpe_event_info) {
+		status = AE_BAD_PARAMETER;
+		goto unlock_and_exit;
+	}
+
 	/* Make sure that there isn't a handler there already */
 
 	if (gpe_event_info->handler) {
 		status = AE_ALREADY_EXISTS;
-		goto cleanup;
+		goto unlock_and_exit;
 	}
 
 	/* Install the handler */
 
+	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
 	gpe_event_info->handler = handler;
 	gpe_event_info->context = context;
-	gpe_event_info->type  = (u8) type;
+	gpe_event_info->flags = (u8) type;
+	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
 
 	/* Clear the GPE (of stale events), the enable it */
 
 	status = acpi_hw_clear_gpe (gpe_event_info);
 	if (ACPI_FAILURE (status)) {
-		goto cleanup;
+		goto unlock_and_exit;
 	}
 
 	status = acpi_hw_enable_gpe (gpe_event_info);
 
 
-cleanup:
+unlock_and_exit:
 	(void) acpi_ut_release_mutex (ACPI_MTX_EVENTS);
 	return_ACPI_STATUS (status);
 }
@@ -550,6 +554,7 @@ acpi_install_gpe_handler (
  * FUNCTION:    acpi_remove_gpe_handler
  *
  * PARAMETERS:  gpe_number      - The event to remove a handler
+ *              gpe_block       - GPE block (NULL == FADT GPEs)
  *              Handler         - Address of the handler
  *
  * RETURN:      Status
@@ -560,6 +565,7 @@ acpi_install_gpe_handler (
 
 acpi_status
 acpi_remove_gpe_handler (
+	acpi_handle                     gpe_device,
 	u32                             gpe_number,
 	acpi_gpe_handler                handler)
 {
@@ -576,23 +582,24 @@ acpi_remove_gpe_handler (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
+	status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
+
 	/* Ensure that we have a valid GPE number */
 
-	gpe_event_info = acpi_ev_get_gpe_event_info (gpe_number);
+	gpe_event_info = acpi_ev_get_gpe_event_info (gpe_device, gpe_number);
 	if (!gpe_event_info) {
-		return_ACPI_STATUS (AE_BAD_PARAMETER);
+		status = AE_BAD_PARAMETER;
+		goto unlock_and_exit;
 	}
 
 	/* Disable the GPE before removing the handler */
 
 	status = acpi_hw_disable_gpe (gpe_event_info);
 	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
-	}
-
-	status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
-	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
+		goto unlock_and_exit;
 	}
 
 	/* Make sure that the installed handler is the same */
@@ -600,16 +607,18 @@ acpi_remove_gpe_handler (
 	if (gpe_event_info->handler != handler) {
 		(void) acpi_hw_enable_gpe (gpe_event_info);
 		status = AE_BAD_PARAMETER;
-		goto cleanup;
+		goto unlock_and_exit;
 	}
 
 	/* Remove the handler */
 
+	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
 	gpe_event_info->handler = NULL;
 	gpe_event_info->context = NULL;
+	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
 
 
-cleanup:
+unlock_and_exit:
 	(void) acpi_ut_release_mutex (ACPI_MTX_EVENTS);
 	return_ACPI_STATUS (status);
 }

drivers/acpi/hardware/hwgpe.c

@@ -266,13 +266,12 @@ acpi_hw_clear_gpe (
 
 acpi_status
 acpi_hw_get_gpe_status (
-	u32                             gpe_number,
+	struct acpi_gpe_event_info      *gpe_event_info,
 	acpi_event_status               *event_status)
 {
 	u32                             in_byte;
 	u8                              bit_mask;
 	struct acpi_gpe_register_info   *gpe_register_info;
-	struct acpi_gpe_event_info      *gpe_event_info;
 	acpi_status                     status;
 	acpi_event_status               local_event_status = 0;
 
@@ -284,11 +283,6 @@ acpi_hw_get_gpe_status (
 		return (AE_BAD_PARAMETER);
 	}
 
-	gpe_event_info = acpi_ev_get_gpe_event_info (gpe_number);
-	if (!gpe_event_info) {
-		return (AE_BAD_PARAMETER);
-	}
-
 	/* Get the info block for the entire GPE register */
 
 	gpe_register_info = gpe_event_info->register_info;
@@ -301,7 +295,7 @@ acpi_hw_get_gpe_status (
 
 	status = acpi_hw_low_level_read (8, &in_byte, &gpe_register_info->enable_address, 0);
 	if (ACPI_FAILURE (status)) {
-		return (status);
+		goto unlock_and_exit;
 	}
 
 	if (bit_mask & in_byte) {
@@ -318,7 +312,7 @@ acpi_hw_get_gpe_status (
 
 	status = acpi_hw_low_level_read (8, &in_byte, &gpe_register_info->status_address, 0);
 	if (ACPI_FAILURE (status)) {
-		return (status);
+		goto unlock_and_exit;
 	}
 
 	if (bit_mask & in_byte) {
@@ -328,6 +322,150 @@ acpi_hw_get_gpe_status (
 	/* Set return value */
 
 	(*event_status) = local_event_status;
+
+
+unlock_and_exit:
+	return (status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_disable_gpe_block
+ *
+ * PARAMETERS:  gpe_xrupt_info      - GPE Interrupt info
+ *              gpe_block           - Gpe Block info
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Disable all GPEs within a GPE block
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_disable_gpe_block (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block)
+{
+	u32                             i;
+	struct acpi_gpe_register_info   *gpe_register_info;
+	acpi_status                     status;
+
+
+	/* Get the register info for the entire GPE block */
+
+	gpe_register_info = gpe_block->register_info;
+
+	/* Examine each GPE Register within the block */
+
+	for (i = 0; i < gpe_block->register_count; i++) {
+		status = acpi_hw_low_level_write (8, 0x00,
+				 &gpe_block->register_info[i].enable_address, (u32) i);
+		if (ACPI_FAILURE (status)) {
+			return (status);
+		}
+	}
+
+	return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_clear_gpe_block
+ *
+ * PARAMETERS:  gpe_xrupt_info      - GPE Interrupt info
+ *              gpe_block           - Gpe Block info
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Clear all GPEs within a GPE block
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_clear_gpe_block (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block)
+{
+	u32                             i;
+	struct acpi_gpe_register_info   *gpe_register_info;
+	acpi_status                     status;
+
+
+	/* Get the register info for the entire GPE block */
+
+	gpe_register_info = gpe_block->register_info;
+
+	/* Examine each GPE Register within the block */
+
+	for (i = 0; i < gpe_block->register_count; i++) {
+		status = acpi_hw_low_level_write (8, 0xFF,
+				 &gpe_block->register_info[i].status_address, (u32) i);
+		if (ACPI_FAILURE (status)) {
+			return (status);
+		}
+	}
+
+	return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_disable_non_wakeup_gpe_block
+ *
+ * PARAMETERS:  gpe_xrupt_info      - GPE Interrupt info
+ *              gpe_block           - Gpe Block info
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Disable all GPEs except wakeup GPEs in a GPE block
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_disable_non_wakeup_gpe_block (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block)
+{
+	u32                             i;
+	struct acpi_gpe_register_info   *gpe_register_info;
+	u32                             in_value;
+	acpi_status                     status;
+
+
+	/* Get the register info for the entire GPE block */
+
+	gpe_register_info = gpe_block->register_info;
+
+	/* Examine each GPE Register within the block */
+
+	for (i = 0; i < gpe_block->register_count; i++) {
+		/*
+		 * Read the enabled status of all GPEs. We
+		 * will be using it to restore all the GPEs later.
+		 */
+		status = acpi_hw_low_level_read (8, &in_value,
+				 &gpe_register_info->enable_address, 0);
+		if (ACPI_FAILURE (status)) {
+			return (status);
+		}
+
+		gpe_register_info->enable = (u8) in_value;
+
+		/*
+		 * Disable all GPEs except wakeup GPEs.
+		 */
+		status = acpi_hw_low_level_write (8, gpe_register_info->wake_enable,
+				&gpe_register_info->enable_address, 0);
+		if (ACPI_FAILURE (status)) {
+			return (status);
+		}
+
+		gpe_register_info++;
+	}
+
 	return (AE_OK);
 }
 
@@ -341,7 +479,7 @@ acpi_hw_get_gpe_status (
  * RETURN:      None
  *
  * DESCRIPTION: Disable all non-wakeup GPEs
- *              Call with interrupts disabled. The interrupt handler also
+ *              Called with interrupts disabled. The interrupt handler also
  *              modifies gpe_register_info->Enable, so it should not be
  *              given the chance to run until after non-wake GPEs are
  *              re-enabled.
@@ -351,54 +489,65 @@ acpi_hw_get_gpe_status (
 acpi_status
 acpi_hw_disable_non_wakeup_gpes (
 	void)
+{
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	status = acpi_ev_walk_gpe_list (acpi_hw_disable_non_wakeup_gpe_block);
+
+	return (status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_enable_non_wakeup_gpe_block
+ *
+ * PARAMETERS:  gpe_xrupt_info      - GPE Interrupt info
+ *              gpe_block           - Gpe Block info
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Enable a single GPE.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_hw_enable_non_wakeup_gpe_block (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block)
 {
 	u32                             i;
 	struct acpi_gpe_register_info   *gpe_register_info;
-	u32                             in_value;
 	acpi_status                     status;
-	struct acpi_gpe_block_info      *gpe_block;
 
 
-	ACPI_FUNCTION_ENTRY ();
+	/* This callback processes one entire GPE block */
 
+	/* Get the register info for the entire GPE block */
 
-	gpe_block = acpi_gbl_gpe_block_list_head;
-	while (gpe_block) {
-		/* Get the register info for the entire GPE block */
+	gpe_register_info = gpe_block->register_info;
 
-		gpe_register_info = gpe_block->register_info;
-		if (!gpe_register_info) {
-			return (AE_BAD_PARAMETER);
-		}
+	/* Examine each GPE register within the block */
 
-		for (i = 0; i < gpe_block->register_count; i++) {
-			/*
-			 * Read the enabled status of all GPEs. We
-			 * will be using it to restore all the GPEs later.
-			 */
-			status = acpi_hw_low_level_read (8, &in_value,
-					 &gpe_register_info->enable_address, 0);
-			if (ACPI_FAILURE (status)) {
-				return (status);
-			}
-
-			gpe_register_info->enable = (u8) in_value;
-
-			/*
-			 * Disable all GPEs except wakeup GPEs.
-			 */
-			status = acpi_hw_low_level_write (8, gpe_register_info->wake_enable,
-					&gpe_register_info->enable_address, 0);
-			if (ACPI_FAILURE (status)) {
-				return (status);
-			}
-
-			gpe_register_info++;
+	for (i = 0; i < gpe_block->register_count; i++) {
+		/*
+		 * We previously stored the enabled status of all GPEs.
+		 * Blast them back in.
+		 */
+		status = acpi_hw_low_level_write (8, gpe_register_info->enable,
+				 &gpe_register_info->enable_address, 0);
+		if (ACPI_FAILURE (status)) {
+			return (status);
 		}
 
-		gpe_block = gpe_block->next;
+		gpe_register_info++;
 	}
 
+
 	return (AE_OK);
 }
 
@@ -419,40 +568,13 @@ acpi_status
 acpi_hw_enable_non_wakeup_gpes (
 	void)
 {
-	u32                             i;
-	struct acpi_gpe_register_info   *gpe_register_info;
 	acpi_status                     status;
-	struct acpi_gpe_block_info      *gpe_block;
 
 
 	ACPI_FUNCTION_ENTRY ();
 
 
-	gpe_block = acpi_gbl_gpe_block_list_head;
-	while (gpe_block) {
-		/* Get the register info for the entire GPE block */
+	status = acpi_ev_walk_gpe_list (acpi_hw_enable_non_wakeup_gpe_block);
 
-		gpe_register_info = gpe_block->register_info;
-		if (!gpe_register_info) {
-			return (AE_BAD_PARAMETER);
-		}
-
-		for (i = 0; i < gpe_block->register_count; i++) {
-			/*
-			 * We previously stored the enabled status of all GPEs.
-			 * Blast them back in.
-			 */
-			status = acpi_hw_low_level_write (8, gpe_register_info->enable,
-					 &gpe_register_info->enable_address, 0);
-			if (ACPI_FAILURE (status)) {
-				return (status);
-			}
-
-			gpe_register_info++;
-		}
-
-		gpe_block = gpe_block->next;
-	}
-
-	return (AE_OK);
+	return (status);
 }

drivers/acpi/hardware/hwregs.c

@@ -46,6 +46,7 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
+#include <acpi/acevents.h>
 
 #define _COMPONENT          ACPI_HARDWARE
 	 ACPI_MODULE_NAME    ("hwregs")
@@ -66,9 +67,7 @@
 acpi_status
 acpi_hw_clear_acpi_status (void)
 {
-	acpi_native_uint                i;
 	acpi_status                     status;
-	struct acpi_gpe_block_info      *gpe_block;
 
 
 	ACPI_FUNCTION_TRACE ("hw_clear_acpi_status");
@@ -102,18 +101,7 @@ acpi_hw_clear_acpi_status (void)
 
 	/* Clear the GPE Bits in all GPE registers in all GPE blocks */
 
-	gpe_block = acpi_gbl_gpe_block_list_head;
-	while (gpe_block) {
-		for (i = 0; i < gpe_block->register_count; i++) {
-			status = acpi_hw_low_level_write (8, 0xFF,
-					 &gpe_block->register_info[i].status_address, (u32) i);
-			if (ACPI_FAILURE (status)) {
-				goto unlock_and_exit;
-			}
-		}
-
-		gpe_block = gpe_block->next;
-	}
+	status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
 
 unlock_and_exit:
 	(void) acpi_ut_release_mutex (ACPI_MTX_HARDWARE);

drivers/acpi/namespace/nsaccess.c

@@ -73,6 +73,7 @@ acpi_ns_root_initialize (void)
 	const struct acpi_predefined_names *init_val = NULL;
 	struct acpi_namespace_node          *new_node;
 	union acpi_operand_object           *obj_desc;
+	acpi_string                         val = NULL;
 
 
 	ACPI_FUNCTION_TRACE ("ns_root_initialize");
@@ -119,9 +120,7 @@ acpi_ns_root_initialize (void)
 		 * initial value, create the initial value.
 		 */
 		if (init_val->val) {
-			acpi_string val;
-
-			status = acpi_os_predefined_override(init_val, &val);
+			status = acpi_os_predefined_override (init_val, &val);
 			if (ACPI_FAILURE (status)) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not override predefined %s\n",
 					init_val->name));

drivers/acpi/namespace/nswalk.c

@@ -164,6 +164,7 @@ acpi_ns_walk_namespace (
 	void                            **return_value)
 {
 	acpi_status                     status;
+	acpi_status                     mutex_status;
 	struct acpi_namespace_node      *child_node;
 	struct acpi_namespace_node      *parent_node;
 	acpi_object_type                child_type;
@@ -211,9 +212,9 @@ acpi_ns_walk_namespace (
 				 * callback function
 				 */
 				if (unlock_before_callback) {
-					status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
-					if (ACPI_FAILURE (status)) {
-						return_ACPI_STATUS (status);
+					mutex_status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+					if (ACPI_FAILURE (mutex_status)) {
+						return_ACPI_STATUS (mutex_status);
 					}
 				}
 
@@ -221,9 +222,9 @@ acpi_ns_walk_namespace (
 						 context, return_value);
 
 				if (unlock_before_callback) {
-					status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
-					if (ACPI_FAILURE (status)) {
-						return_ACPI_STATUS (status);
+					mutex_status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
+					if (ACPI_FAILURE (mutex_status)) {
+						return_ACPI_STATUS (mutex_status);
 					}
 				}
 

drivers/acpi/osl.c

@@ -677,6 +677,92 @@ acpi_os_queue_for_execution(
 	return_ACPI_STATUS (status);
 }
 
+/*
+ * Allocate the memory for a spinlock and initialize it.
+ */
+acpi_status
+acpi_os_create_lock (
+	acpi_handle	*out_handle)
+{
+	spinlock_t *lock_ptr;
+
+	ACPI_FUNCTION_TRACE ("os_create_lock");
+
+	lock_ptr = acpi_os_allocate(sizeof(spinlock_t));
+
+	spin_lock_init(lock_ptr);
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Creating spinlock[%p].\n", lock_ptr));
+
+	*out_handle = lock_ptr;
+
+	return_ACPI_STATUS (AE_OK);
+}
+
+
+/*
+ * Deallocate the memory for a spinlock.
+ */
+void
+acpi_os_delete_lock (
+	acpi_handle	handle)
+{
+	ACPI_FUNCTION_TRACE ("os_create_lock");
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Deleting spinlock[%p].\n", handle));
+
+	acpi_os_free(handle);
+
+	return_VOID;
+}
+
+/*
+ * Acquire a spinlock.
+ *
+ * handle is a pointer to the spinlock_t.
+ * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
+ *   that indicates whether we are at interrupt level.
+ */
+void
+acpi_os_acquire_lock (
+	acpi_handle	handle,
+	u32		flags)
+{
+	ACPI_FUNCTION_TRACE ("os_acquire_lock");
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Acquiring spinlock[%p] from %s level\n", handle,
+		((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
+
+	if (flags & ACPI_NOT_ISR)
+		ACPI_DISABLE_IRQS();
+
+	spin_lock(handle);
+
+	return_VOID;
+}
+
+
+/*
+ * Release a spinlock. See above.
+ */
+void
+acpi_os_release_lock (
+	acpi_handle	handle,
+	u32		flags)
+{
+	ACPI_FUNCTION_TRACE ("os_release_lock");
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Releasing spinlock[%p] from %s level\n", handle,
+		((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
+
+	spin_unlock(handle);
+
+	if (flags & ACPI_NOT_ISR)
+		ACPI_ENABLE_IRQS();
+
+	return_VOID;
+}
+
 
 acpi_status
 acpi_os_create_semaphore(

drivers/acpi/resources/rsxface.c

@@ -240,12 +240,13 @@ acpi_walk_resources (
 	struct acpi_buffer                  buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 	struct acpi_resource                *resource;
 
+
 	ACPI_FUNCTION_TRACE ("acpi_walk_resources");
 
 
 	if (!device_handle ||
 		(ACPI_STRNCMP (path, METHOD_NAME__CRS, sizeof (METHOD_NAME__CRS)) &&
-		ACPI_STRNCMP (path, METHOD_NAME__PRS, sizeof (METHOD_NAME__PRS)))) {
+		 ACPI_STRNCMP (path, METHOD_NAME__PRS, sizeof (METHOD_NAME__PRS)))) {
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
@@ -290,10 +291,10 @@ acpi_walk_resources (
 cleanup:
 
 	acpi_os_free (buffer.pointer);
-
 	return_ACPI_STATUS (status);
 }
 
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_set_current_resources
@@ -337,6 +338,7 @@ acpi_set_current_resources (
 	return_ACPI_STATUS (status);
 }
 
+
 #define COPY_FIELD(out, in, field)  out->field = in->field
 #define COPY_ADDRESS(out, in)                      \
 	COPY_FIELD(out, in, resource_type);             \
@@ -352,48 +354,53 @@ acpi_set_current_resources (
 	COPY_FIELD(out, in, address_length);            \
 	COPY_FIELD(out, in, resource_source);
 
-/*******************************************************************************
-*
-* FUNCTION:    acpi_resource_to_address64
-*
-* PARAMETERS:  resource                - Pointer to a resource
-*              out                     - Pointer to the users's return
-*                                        buffer (a struct
-*                                        struct acpi_resource_address64)
-*
-* RETURN:      Status
-*
-* DESCRIPTION: If the resource is an address16, address32, or address64,
-*              copy it to the address64 return buffer.  This saves the
-*              caller from having to duplicate code for different-sized
-*              addresses.
-*
-******************************************************************************/
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_resource_to_address64
+ *
+ * PARAMETERS:  resource                - Pointer to a resource
+ *              out                     - Pointer to the users's return
+ *                                        buffer (a struct
+ *                                        struct acpi_resource_address64)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: If the resource is an address16, address32, or address64,
+ *              copy it to the address64 return buffer.  This saves the
+ *              caller from having to duplicate code for different-sized
+ *              addresses.
+ *
+ ******************************************************************************/
 
 acpi_status
 acpi_resource_to_address64 (
-	struct acpi_resource            *resource,
-	struct acpi_resource_address64 *out)
+	struct acpi_resource                *resource,
+	struct acpi_resource_address64      *out)
 {
-	struct acpi_resource_address16   *address16;
-	struct acpi_resource_address32   *address32;
-	struct acpi_resource_address64   *address64;
+	struct acpi_resource_address16      *address16;
+	struct acpi_resource_address32      *address32;
+	struct acpi_resource_address64      *address64;
+
 
 	switch (resource->id) {
 	case ACPI_RSTYPE_ADDRESS16:
 		address16 = (struct acpi_resource_address16 *) &resource->data;
 		COPY_ADDRESS(out, address16);
 		break;
+
 	case ACPI_RSTYPE_ADDRESS32:
 		address32 = (struct acpi_resource_address32 *) &resource->data;
 		COPY_ADDRESS(out, address32);
 		break;
+
 	case ACPI_RSTYPE_ADDRESS64:
 		address64 = (struct acpi_resource_address64 *) &resource->data;
 		COPY_ADDRESS(out, address64);
 		break;
+
 	default:
 		return (AE_BAD_PARAMETER);
 	}
+
 	return (AE_OK);
 }

drivers/acpi/tables/tbgetall.c

@@ -228,7 +228,7 @@ acpi_tb_get_required_tables (
 	 * any SSDTs.
 	 */
 	for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
-		/* Get the table addresss from the common internal XSDT */
+		/* Get the table address from the common internal XSDT */
 
 		address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];
 

drivers/acpi/utilities/utglobal.c

@@ -731,7 +731,9 @@ acpi_ut_init_globals (
 
 	/* GPE support */
 
-	acpi_gbl_gpe_block_list_head        = NULL;
+	acpi_gbl_gpe_xrupt_list_head        = NULL;
+	acpi_gbl_gpe_fadt_blocks[0]         = NULL;
+	acpi_gbl_gpe_fadt_blocks[1]         = NULL;
 
 	/* Global notify handlers */
 

drivers/acpi/utilities/utmisc.c

@@ -556,6 +556,9 @@ acpi_ut_mutex_initialize (
 		}
 	}
 
+
+	status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
+
 	return_ACPI_STATUS (AE_OK);
 }
 
@@ -589,6 +592,7 @@ acpi_ut_mutex_terminate (
 		(void) acpi_ut_delete_mutex (i);
 	}
 
+	(void) acpi_os_delete_lock (acpi_gbl_gpe_lock);
 	return_VOID;
 }
 

include/acpi/acconfig.h

@@ -72,7 +72,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION                 0x20030228
+#define ACPI_CA_VERSION                 0x20030321
 
 /* Version of ACPI supported */
 

include/acpi/acevents.h

@@ -109,8 +109,17 @@ acpi_ev_notify_dispatch (
  * Evgpe - GPE handling and dispatch
  */
 
+acpi_status
+acpi_ev_walk_gpe_list (
+	ACPI_GPE_CALLBACK       gpe_walk_callback);
+
+u8
+acpi_ev_valid_gpe_event (
+	struct acpi_gpe_event_info      *gpe_event_info);
+
 struct acpi_gpe_event_info *
 acpi_ev_get_gpe_event_info (
+	acpi_handle                     gpe_device,
 	u32                             gpe_number);
 
 acpi_status
@@ -119,11 +128,12 @@ acpi_ev_gpe_initialize (
 
 u32
 acpi_ev_gpe_dispatch (
-	struct acpi_gpe_event_info      *gpe_event_info);
+	struct acpi_gpe_event_info      *gpe_event_info,
+	u32                             gpe_number);
 
 u32
 acpi_ev_gpe_detect (
-	void);
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_list);
 
 /*
  * Evregion - Address Space handling
@@ -216,6 +226,10 @@ acpi_ev_initialize_region (
  * Evsci - SCI (System Control Interrupt) handling/dispatch
  */
 
+u32 ACPI_SYSTEM_XFACE
+acpi_ev_gpe_xrupt_handler (
+	void                            *context);
+
 u32
 acpi_ev_install_sci_handler (
 	void);

include/acpi/acglobal.h

@@ -234,7 +234,9 @@ ACPI_EXTERN u8                                  acpi_gbl_sleep_type_b;
 
 extern      struct acpi_fixed_event_info        acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
 ACPI_EXTERN struct acpi_fixed_event_handler     acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
-ACPI_EXTERN struct acpi_gpe_block_info          *acpi_gbl_gpe_block_list_head;
+ACPI_EXTERN struct acpi_gpe_xrupt_info          *acpi_gbl_gpe_xrupt_list_head;
+ACPI_EXTERN struct acpi_gpe_block_info          *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
+ACPI_EXTERN acpi_handle                         acpi_gbl_gpe_lock;
 
 
 /*****************************************************************************

include/acpi/achware.h

@@ -127,6 +127,11 @@ acpi_status
 acpi_hw_disable_gpe (
 	struct acpi_gpe_event_info      *gpe_event_info);
 
+acpi_status
+acpi_hw_disable_gpe_block (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block);
+
 void
 acpi_hw_disable_gpe_for_wakeup (
 	struct acpi_gpe_event_info      *gpe_event_info);
@@ -135,9 +140,14 @@ acpi_status
 acpi_hw_clear_gpe (
 	struct acpi_gpe_event_info      *gpe_event_info);
 
+acpi_status
+acpi_hw_clear_gpe_block (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block);
+
 acpi_status
 acpi_hw_get_gpe_status (
-	u32                             gpe_number,
+	struct acpi_gpe_event_info      *gpe_event_info,
 	acpi_event_status               *event_status);
 
 acpi_status

include/acpi/aclocal.h

@@ -308,19 +308,19 @@ struct acpi_create_field_info
  *
  ****************************************************************************/
 
-/* Information about each particular GPE level */
+/* Information about a GPE, one per each GPE in an array */
 
 struct acpi_gpe_event_info
 {
 	struct acpi_namespace_node              *method_node;   /* Method node for this GPE level */
 	acpi_gpe_handler                        handler;        /* Address of handler, if any */
 	void                                    *context;       /* Context to be passed to handler */
-	struct acpi_gpe_register_info           *register_info;
-	u8                                      type;           /* Level or Edge */
-	u8                                      bit_mask;
+	struct acpi_gpe_register_info           *register_info; /* Backpointer to register info */
+	u8                                      flags;          /* Level or Edge */
+	u8                                      bit_mask;       /* This GPE within the register */
 };
 
-/* Information about a particular GPE register pair */
+/* Information about a GPE register pair, one per each status/enable pair in an array */
 
 struct acpi_gpe_register_info
 {
@@ -332,25 +332,36 @@ struct acpi_gpe_register_info
 	u8                                      base_gpe_number; /* Base GPE number for this register */
 };
 
-
-#define ACPI_GPE_LEVEL_TRIGGERED        1
-#define ACPI_GPE_EDGE_TRIGGERED         2
-
-
-/* Information about each GPE register block */
-
+/*
+ * Information about a GPE register block, one per each installed block --
+ * GPE0, GPE1, and one per each installed GPE Block Device.
+ */
 struct acpi_gpe_block_info
 {
 	struct acpi_gpe_block_info              *previous;
 	struct acpi_gpe_block_info              *next;
-	struct acpi_gpe_block_info              *next_on_interrupt;
-	struct acpi_gpe_register_info           *register_info;
-	struct acpi_gpe_event_info              *event_info;
-	struct acpi_generic_address             block_address;
-	u32                                     register_count;
-	u8                                      block_base_number;
+	struct acpi_gpe_register_info           *register_info; /* One per GPE register pair */
+	struct acpi_gpe_event_info              *event_info;    /* One for each GPE */
+	struct acpi_generic_address             block_address;  /* Base address of the block */
+	u32                                     register_count; /* Number of register pairs in block */
+	u8                                      block_base_number;/* Base GPE number for this block */
 };
 
+/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
+
+struct acpi_gpe_xrupt_info
+{
+	struct acpi_gpe_xrupt_info              *previous;
+	struct acpi_gpe_xrupt_info              *next;
+	struct acpi_gpe_block_info              *gpe_block_list_head; /* List of GPE blocks for this xrupt */
+	u32                                     interrupt_level;    /* System interrupt level */
+};
+
+
+typedef acpi_status (*ACPI_GPE_CALLBACK) (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block);
+
 
 /* Information about each particular fixed event */
 
@@ -360,7 +371,6 @@ struct acpi_fixed_event_handler
 	void                            *context;       /* Context to be passed to handler */
 };
 
-
 struct acpi_fixed_event_info
 {
 	u8                              status_register_id;

include/acpi/acobject.h

@@ -239,6 +239,7 @@ struct acpi_object_device
 {
 	ACPI_OBJECT_COMMON_HEADER
 	ACPI_COMMON_NOTIFY_INFO
+	struct acpi_gpe_block_info              *gpe_block;
 };
 
 

include/acpi/acpiosxf.h

@@ -147,6 +147,27 @@ acpi_os_signal_semaphore (
 	acpi_handle                     handle,
 	u32                             units);
 
+acpi_status
+acpi_os_create_lock (
+	acpi_handle                     *out_handle);
+
+void
+acpi_os_delete_lock (
+	acpi_handle                     handle);
+
+void
+acpi_os_acquire_lock (
+	acpi_handle                     handle,
+	u32                             flags);
+
+void
+acpi_os_release_lock (
+	acpi_handle                     handle,
+	u32                             flags);
+
+#define ACPI_NOT_ISR        1
+#define ACPI_ISR            0
+
 
 /*
  * Memory allocation and mapping

include/acpi/acpixf.h

@@ -293,6 +293,7 @@ acpi_remove_address_space_handler (
 
 acpi_status
 acpi_install_gpe_handler (
+	acpi_handle                     gpe_device,
 	u32                             gpe_number,
 	u32                             type,
 	acpi_gpe_handler                handler,
@@ -309,30 +310,50 @@ acpi_release_global_lock (
 
 acpi_status
 acpi_remove_gpe_handler (
+	acpi_handle                     gpe_device,
 	u32                             gpe_number,
 	acpi_gpe_handler                handler);
 
 acpi_status
 acpi_enable_event (
-	u32                             acpi_event,
-	u32                             type,
+	u32                             event,
 	u32                             flags);
 
 acpi_status
 acpi_disable_event (
-	u32                             acpi_event,
-	u32                             type,
+	u32                             event,
 	u32                             flags);
 
 acpi_status
 acpi_clear_event (
-	u32                             acpi_event,
-	u32                             type);
+	u32                             event);
 
 acpi_status
 acpi_get_event_status (
-	u32                             acpi_event,
-	u32                             type,
+	u32                             event,
+	acpi_event_status               *event_status);
+
+acpi_status
+acpi_enable_gpe (
+	acpi_handle                     gpe_device,
+	u32                             gpe_number,
+	u32                             flags);
+
+acpi_status
+acpi_disable_gpe (
+	acpi_handle                     gpe_device,
+	u32                             gpe_number,
+	u32                             flags);
+
+acpi_status
+acpi_clear_gpe (
+	acpi_handle                     gpe_device,
+	u32                             gpe_number);
+
+acpi_status
+acpi_get_gpe_status (
+	acpi_handle                     gpe_device,
+	u32                             gpe_number,
 	acpi_event_status               *event_status);
 
 /*

include/acpi/actypes.h

@@ -520,9 +520,6 @@ typedef u32                                     acpi_object_type;
  */
 typedef u32                                     acpi_event_type;
 
-#define ACPI_EVENT_FIXED                0
-#define ACPI_EVENT_GPE                  1
-
 /*
  * Fixed events
  */