patch-2.4.22 linux-2.4.22/drivers/acpi/resources/rsxface.c
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- Lines: 468
- Date:
2003-08-25 04:44:41.000000000 -0700
- Orig file:
linux-2.4.21/drivers/acpi/resources/rsxface.c
- Orig date:
2001-10-24 14:06:22.000000000 -0700
diff -urN linux-2.4.21/drivers/acpi/resources/rsxface.c linux-2.4.22/drivers/acpi/resources/rsxface.c
@@ -1,44 +1,60 @@
/*******************************************************************************
*
* Module Name: rsxface - Public interfaces to the resource manager
- * $Revision: 15 $
*
******************************************************************************/
/*
- * Copyright (C) 2000, 2001 R. Byron Moore
+ * Copyright (C) 2000 - 2003, R. Byron Moore
+ * All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
*/
-#include "acpi.h"
-#include "acinterp.h"
-#include "acnamesp.h"
-#include "acresrc.h"
+#include <acpi/acpi.h>
+#include <acpi/acresrc.h>
#define _COMPONENT ACPI_RESOURCES
- MODULE_NAME ("rsxface")
+ ACPI_MODULE_NAME ("rsxface")
/*******************************************************************************
*
- * FUNCTION: Acpi_get_irq_routing_table
+ * FUNCTION: acpi_get_irq_routing_table
*
- * PARAMETERS: Device_handle - a handle to the Bus device we are querying
- * Ret_buffer - a pointer to a buffer to receive the
+ * PARAMETERS: device_handle - a handle to the Bus device we are querying
+ * ret_buffer - a pointer to a buffer to receive the
* current resources for the device
*
* RETURN: Status
@@ -46,25 +62,25 @@
* DESCRIPTION: This function is called to get the IRQ routing table for a
* specific bus. The caller must first acquire a handle for the
* desired bus. The routine table is placed in the buffer pointed
- * to by the Ret_buffer variable parameter.
+ * to by the ret_buffer variable parameter.
*
* If the function fails an appropriate status will be returned
- * and the value of Ret_buffer is undefined.
+ * and the value of ret_buffer is undefined.
*
* This function attempts to execute the _PRT method contained in
- * the object indicated by the passed Device_handle.
+ * the object indicated by the passed device_handle.
*
******************************************************************************/
acpi_status
acpi_get_irq_routing_table (
- acpi_handle device_handle,
- acpi_buffer *ret_buffer)
+ acpi_handle device_handle,
+ struct acpi_buffer *ret_buffer)
{
- acpi_status status;
+ acpi_status status;
- FUNCTION_TRACE ("Acpi_get_irq_routing_table ");
+ ACPI_FUNCTION_TRACE ("acpi_get_irq_routing_table ");
/*
@@ -73,12 +89,15 @@
* we also need a valid pointer in the buffer. If it's a zero buffer length,
* we'll be returning the needed buffer size, so keep going.
*/
- if ((!device_handle) ||
- (!ret_buffer) ||
- ((!ret_buffer->pointer) && (ret_buffer->length))) {
+ if (!device_handle) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
+ status = acpi_ut_validate_buffer (ret_buffer);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+
status = acpi_rs_get_prt_method_data (device_handle, ret_buffer);
return_ACPI_STATUS (status);
}
@@ -86,11 +105,11 @@
/*******************************************************************************
*
- * FUNCTION: Acpi_get_current_resources
+ * FUNCTION: acpi_get_current_resources
*
- * PARAMETERS: Device_handle - a handle to the device object for the
+ * PARAMETERS: device_handle - a handle to the device object for the
* device we are querying
- * Ret_buffer - a pointer to a buffer to receive the
+ * ret_buffer - a pointer to a buffer to receive the
* current resources for the device
*
* RETURN: Status
@@ -98,25 +117,25 @@
* DESCRIPTION: This function is called to get the current resources for a
* specific device. The caller must first acquire a handle for
* the desired device. The resource data is placed in the buffer
- * pointed to by the Ret_buffer variable parameter.
+ * pointed to by the ret_buffer variable parameter.
*
* If the function fails an appropriate status will be returned
- * and the value of Ret_buffer is undefined.
+ * and the value of ret_buffer is undefined.
*
* This function attempts to execute the _CRS method contained in
- * the object indicated by the passed Device_handle.
+ * the object indicated by the passed device_handle.
*
******************************************************************************/
acpi_status
acpi_get_current_resources (
- acpi_handle device_handle,
- acpi_buffer *ret_buffer)
+ acpi_handle device_handle,
+ struct acpi_buffer *ret_buffer)
{
- acpi_status status;
+ acpi_status status;
- FUNCTION_TRACE ("Acpi_get_current_resources");
+ ACPI_FUNCTION_TRACE ("acpi_get_current_resources");
/*
@@ -125,12 +144,15 @@
* we also need a valid pointer in the buffer. If it's a zero buffer length,
* we'll be returning the needed buffer size, so keep going.
*/
- if ((!device_handle) ||
- (!ret_buffer) ||
- ((ret_buffer->length) && (!ret_buffer->pointer))) {
+ if (!device_handle) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
+ status = acpi_ut_validate_buffer (ret_buffer);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+
status = acpi_rs_get_crs_method_data (device_handle, ret_buffer);
return_ACPI_STATUS (status);
}
@@ -138,11 +160,11 @@
/*******************************************************************************
*
- * FUNCTION: Acpi_get_possible_resources
+ * FUNCTION: acpi_get_possible_resources
*
- * PARAMETERS: Device_handle - a handle to the device object for the
+ * PARAMETERS: device_handle - a handle to the device object for the
* device we are querying
- * Ret_buffer - a pointer to a buffer to receive the
+ * ret_buffer - a pointer to a buffer to receive the
* resources for the device
*
* RETURN: Status
@@ -150,22 +172,22 @@
* DESCRIPTION: This function is called to get a list of the possible resources
* for a specific device. The caller must first acquire a handle
* for the desired device. The resource data is placed in the
- * buffer pointed to by the Ret_buffer variable.
+ * buffer pointed to by the ret_buffer variable.
*
* If the function fails an appropriate status will be returned
- * and the value of Ret_buffer is undefined.
+ * and the value of ret_buffer is undefined.
*
******************************************************************************/
acpi_status
acpi_get_possible_resources (
- acpi_handle device_handle,
- acpi_buffer *ret_buffer)
+ acpi_handle device_handle,
+ struct acpi_buffer *ret_buffer)
{
- acpi_status status;
+ acpi_status status;
- FUNCTION_TRACE ("Acpi_get_possible_resources");
+ ACPI_FUNCTION_TRACE ("acpi_get_possible_resources");
/*
@@ -174,12 +196,15 @@
* we also need a valid pointer in the buffer. If it's a zero buffer length,
* we'll be returning the needed buffer size, so keep going.
*/
- if ((!device_handle) ||
- (!ret_buffer) ||
- ((ret_buffer->length) && (!ret_buffer->pointer))) {
+ if (!device_handle) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
+ status = acpi_ut_validate_buffer (ret_buffer);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+
status = acpi_rs_get_prs_method_data (device_handle, ret_buffer);
return_ACPI_STATUS (status);
}
@@ -187,11 +212,96 @@
/*******************************************************************************
*
- * FUNCTION: Acpi_set_current_resources
+ * FUNCTION: acpi_walk_resources
+ *
+ * PARAMETERS: device_handle - a handle to the device object for the
+ * device we are querying
+ * Path - method name of the resources we want
+ * (METHOD_NAME__CRS or METHOD_NAME__PRS)
+ * user_function - called for each resource
+ * Context - passed to user_function
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Retrieves the current or possible resource list for the
+ * specified device. The user_function is called once for
+ * each resource in the list.
*
- * PARAMETERS: Device_handle - a handle to the device object for the
+ ******************************************************************************/
+
+acpi_status
+acpi_walk_resources (
+ acpi_handle device_handle,
+ char *path,
+ ACPI_WALK_RESOURCE_CALLBACK user_function,
+ void *context)
+{
+ acpi_status status;
+ 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)))) {
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ status = acpi_rs_get_method_data (device_handle, path, &buffer);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+
+ resource = (struct acpi_resource *) buffer.pointer;
+ for (;;) {
+ if (!resource || resource->id == ACPI_RSTYPE_END_TAG) {
+ break;
+ }
+
+ status = user_function (resource, context);
+
+ switch (status) {
+ case AE_OK:
+ case AE_CTRL_DEPTH:
+
+ /* Just keep going */
+ status = AE_OK;
+ break;
+
+ case AE_CTRL_TERMINATE:
+
+ /* Exit now, with OK stats */
+
+ status = AE_OK;
+ goto cleanup;
+
+ default:
+
+ /* All others are valid exceptions */
+
+ goto cleanup;
+ }
+
+ resource = ACPI_NEXT_RESOURCE (resource);
+ }
+
+cleanup:
+
+ acpi_os_free (buffer.pointer);
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_set_current_resources
+ *
+ * PARAMETERS: device_handle - a handle to the device object for the
* device we are changing the resources of
- * In_buffer - a pointer to a buffer containing the
+ * in_buffer - a pointer to a buffer containing the
* resources to be set for the device
*
* RETURN: Status
@@ -199,19 +309,19 @@
* DESCRIPTION: This function is called to set the current resources for a
* specific device. The caller must first acquire a handle for
* the desired device. The resource data is passed to the routine
- * the buffer pointed to by the In_buffer variable.
+ * the buffer pointed to by the in_buffer variable.
*
******************************************************************************/
acpi_status
acpi_set_current_resources (
- acpi_handle device_handle,
- acpi_buffer *in_buffer)
+ acpi_handle device_handle,
+ struct acpi_buffer *in_buffer)
{
- acpi_status status;
+ acpi_status status;
- FUNCTION_TRACE ("Acpi_set_current_resources");
+ ACPI_FUNCTION_TRACE ("acpi_set_current_resources");
/*
@@ -227,3 +337,76 @@
status = acpi_rs_set_srs_method_data (device_handle, in_buffer);
return_ACPI_STATUS (status);
}
+
+
+#define ACPI_COPY_FIELD(out, in, field) ((out)->field = (in)->field)
+#define ACPI_COPY_ADDRESS(out, in) \
+ ACPI_COPY_FIELD(out, in, resource_type); \
+ ACPI_COPY_FIELD(out, in, producer_consumer); \
+ ACPI_COPY_FIELD(out, in, decode); \
+ ACPI_COPY_FIELD(out, in, min_address_fixed); \
+ ACPI_COPY_FIELD(out, in, max_address_fixed); \
+ ACPI_COPY_FIELD(out, in, attribute); \
+ ACPI_COPY_FIELD(out, in, granularity); \
+ ACPI_COPY_FIELD(out, in, min_address_range); \
+ ACPI_COPY_FIELD(out, in, max_address_range); \
+ ACPI_COPY_FIELD(out, in, address_translation_offset); \
+ ACPI_COPY_FIELD(out, in, address_length); \
+ ACPI_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.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_resource_to_address64 (
+ struct acpi_resource *resource,
+ struct acpi_resource_address64 *out)
+{
+ struct acpi_resource_address16 *address16;
+ struct acpi_resource_address32 *address32;
+
+
+ switch (resource->id) {
+ case ACPI_RSTYPE_ADDRESS16:
+
+ address16 = (struct acpi_resource_address16 *) &resource->data;
+ ACPI_COPY_ADDRESS(out, address16);
+ break;
+
+
+ case ACPI_RSTYPE_ADDRESS32:
+
+ address32 = (struct acpi_resource_address32 *) &resource->data;
+ ACPI_COPY_ADDRESS(out, address32);
+ break;
+
+
+ case ACPI_RSTYPE_ADDRESS64:
+
+ /* Simple copy for 64 bit source */
+
+ ACPI_MEMCPY (out, &resource->data, sizeof (struct acpi_resource_address64));
+ break;
+
+
+ default:
+ return (AE_BAD_PARAMETER);
+ }
+
+ return (AE_OK);
+}
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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)