aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/tables/tbget.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/tables/tbget.c')
-rw-r--r--drivers/acpi/tables/tbget.c63
1 files changed, 39 insertions, 24 deletions
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c
index 896f3ddda62e..4ab2aadc6133 100644
--- a/drivers/acpi/tables/tbget.c
+++ b/drivers/acpi/tables/tbget.c
@@ -49,6 +49,19 @@
49#define _COMPONENT ACPI_TABLES 49#define _COMPONENT ACPI_TABLES
50 ACPI_MODULE_NAME ("tbget") 50 ACPI_MODULE_NAME ("tbget")
51 51
52/* Local prototypes */
53
54static acpi_status
55acpi_tb_get_this_table (
56 struct acpi_pointer *address,
57 struct acpi_table_header *header,
58 struct acpi_table_desc *table_info);
59
60static acpi_status
61acpi_tb_table_override (
62 struct acpi_table_header *header,
63 struct acpi_table_desc *table_info);
64
52 65
53/******************************************************************************* 66/*******************************************************************************
54 * 67 *
@@ -76,9 +89,8 @@ acpi_tb_get_table (
76 ACPI_FUNCTION_TRACE ("tb_get_table"); 89 ACPI_FUNCTION_TRACE ("tb_get_table");
77 90
78 91
79 /* 92 /* Get the header in order to get signature and table size */
80 * Get the header in order to get signature and table size 93
81 */
82 status = acpi_tb_get_table_header (address, &header); 94 status = acpi_tb_get_table_header (address, &header);
83 if (ACPI_FAILURE (status)) { 95 if (ACPI_FAILURE (status)) {
84 return_ACPI_STATUS (status); 96 return_ACPI_STATUS (status);
@@ -127,8 +139,8 @@ acpi_tb_get_table_header (
127 139
128 140
129 /* 141 /*
130 * Flags contains the current processor mode (Virtual or Physical addressing) 142 * Flags contains the current processor mode (Virtual or Physical
131 * The pointer_type is either Logical or Physical 143 * addressing) The pointer_type is either Logical or Physical
132 */ 144 */
133 switch (address->pointer_type) { 145 switch (address->pointer_type) {
134 case ACPI_PHYSMODE_PHYSPTR: 146 case ACPI_PHYSMODE_PHYSPTR:
@@ -136,7 +148,8 @@ acpi_tb_get_table_header (
136 148
137 /* Pointer matches processor mode, copy the header */ 149 /* Pointer matches processor mode, copy the header */
138 150
139 ACPI_MEMCPY (return_header, address->pointer.logical, sizeof (struct acpi_table_header)); 151 ACPI_MEMCPY (return_header, address->pointer.logical,
152 sizeof (struct acpi_table_header));
140 break; 153 break;
141 154
142 155
@@ -144,10 +157,11 @@ acpi_tb_get_table_header (
144 157
145 /* Create a logical address for the physical pointer*/ 158 /* Create a logical address for the physical pointer*/
146 159
147 status = acpi_os_map_memory (address->pointer.physical, sizeof (struct acpi_table_header), 160 status = acpi_os_map_memory (address->pointer.physical,
148 (void *) &header); 161 sizeof (struct acpi_table_header), (void *) &header);
149 if (ACPI_FAILURE (status)) { 162 if (ACPI_FAILURE (status)) {
150 ACPI_REPORT_ERROR (("Could not map memory at %8.8X%8.8X for length %X\n", 163 ACPI_REPORT_ERROR ((
164 "Could not map memory at %8.8X%8.8X for length %X\n",
151 ACPI_FORMAT_UINT64 (address->pointer.physical), 165 ACPI_FORMAT_UINT64 (address->pointer.physical),
152 sizeof (struct acpi_table_header))); 166 sizeof (struct acpi_table_header)));
153 return_ACPI_STATUS (status); 167 return_ACPI_STATUS (status);
@@ -210,9 +224,8 @@ acpi_tb_get_table_body (
210 return_ACPI_STATUS (AE_BAD_PARAMETER); 224 return_ACPI_STATUS (AE_BAD_PARAMETER);
211 } 225 }
212 226
213 /* 227 /* Attempt table override. */
214 * Attempt table override. 228
215 */
216 status = acpi_tb_table_override (header, table_info); 229 status = acpi_tb_table_override (header, table_info);
217 if (ACPI_SUCCESS (status)) { 230 if (ACPI_SUCCESS (status)) {
218 /* Table was overridden by the host OS */ 231 /* Table was overridden by the host OS */
@@ -241,7 +254,7 @@ acpi_tb_get_table_body (
241 * 254 *
242 ******************************************************************************/ 255 ******************************************************************************/
243 256
244acpi_status 257static acpi_status
245acpi_tb_table_override ( 258acpi_tb_table_override (
246 struct acpi_table_header *header, 259 struct acpi_table_header *header,
247 struct acpi_table_desc *table_info) 260 struct acpi_table_desc *table_info)
@@ -315,7 +328,7 @@ acpi_tb_table_override (
315 * 328 *
316 ******************************************************************************/ 329 ******************************************************************************/
317 330
318acpi_status 331static acpi_status
319acpi_tb_get_this_table ( 332acpi_tb_get_this_table (
320 struct acpi_pointer *address, 333 struct acpi_pointer *address,
321 struct acpi_table_header *header, 334 struct acpi_table_header *header,
@@ -330,8 +343,8 @@ acpi_tb_get_this_table (
330 343
331 344
332 /* 345 /*
333 * Flags contains the current processor mode (Virtual or Physical addressing) 346 * Flags contains the current processor mode (Virtual or Physical
334 * The pointer_type is either Logical or Physical 347 * addressing) The pointer_type is either Logical or Physical
335 */ 348 */
336 switch (address->pointer_type) { 349 switch (address->pointer_type) {
337 case ACPI_PHYSMODE_PHYSPTR: 350 case ACPI_PHYSMODE_PHYSPTR:
@@ -341,7 +354,8 @@ acpi_tb_get_this_table (
341 354
342 full_table = ACPI_MEM_ALLOCATE (header->length); 355 full_table = ACPI_MEM_ALLOCATE (header->length);
343 if (!full_table) { 356 if (!full_table) {
344 ACPI_REPORT_ERROR (("Could not allocate table memory for [%4.4s] length %X\n", 357 ACPI_REPORT_ERROR ((
358 "Could not allocate table memory for [%4.4s] length %X\n",
345 header->signature, header->length)); 359 header->signature, header->length));
346 return_ACPI_STATUS (AE_NO_MEMORY); 360 return_ACPI_STATUS (AE_NO_MEMORY);
347 } 361 }
@@ -362,12 +376,14 @@ acpi_tb_get_this_table (
362 * Just map the table's physical memory 376 * Just map the table's physical memory
363 * into our address space. 377 * into our address space.
364 */ 378 */
365 status = acpi_os_map_memory (address->pointer.physical, (acpi_size) header->length, 379 status = acpi_os_map_memory (address->pointer.physical,
366 (void *) &full_table); 380 (acpi_size) header->length, (void *) &full_table);
367 if (ACPI_FAILURE (status)) { 381 if (ACPI_FAILURE (status)) {
368 ACPI_REPORT_ERROR (("Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n", 382 ACPI_REPORT_ERROR ((
383 "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n",
369 header->signature, 384 header->signature,
370 ACPI_FORMAT_UINT64 (address->pointer.physical), header->length)); 385 ACPI_FORMAT_UINT64 (address->pointer.physical),
386 header->length));
371 return (status); 387 return (status);
372 } 388 }
373 389
@@ -465,9 +481,8 @@ acpi_tb_get_table_ptr (
465 return_ACPI_STATUS (AE_OK); 481 return_ACPI_STATUS (AE_OK);
466 } 482 }
467 483
468 /* 484 /* Check for instance out of range */
469 * Check for instance out of range 485
470 */
471 if (instance > acpi_gbl_table_lists[table_type].count) { 486 if (instance > acpi_gbl_table_lists[table_type].count) {
472 return_ACPI_STATUS (AE_NOT_EXIST); 487 return_ACPI_STATUS (AE_NOT_EXIST);
473 } 488 }