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efi: generalize efi_get_memory_map()

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Add arguments for returning the descriptor version and also
the memory map key.  The key is required for calling
exit_boot_services().

Signed-off-by: Roy Franz <roy.franz@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This commit is contained in:
Roy Franz 2013-09-22 15:45:36 -07:00 committed by Matt Fleming
parent 86cc653b19
commit 1c089c65f5
1 changed files with 11 additions and 3 deletions
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14
drivers/firmware/efi/efi-stub-helper.c
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@ -49,7 +49,9 @@ static void efi_printk(efi_system_table_t *sys_table_arg, char *str)
static efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
efi_memory_desc_t **map,
unsigned long *map_size,
unsigned long *desc_size)
unsigned long *desc_size,
u32 *desc_ver,
unsigned long *key_ptr)
{
efi_memory_desc_t *m = NULL;
efi_status_t status;
@ -77,6 +79,10 @@ static efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
if (status != EFI_SUCCESS)
efi_call_phys1(sys_table_arg->boottime->free_pool, m);
if (key_ptr && status == EFI_SUCCESS)
*key_ptr = key;
if (desc_ver && status == EFI_SUCCESS)
*desc_ver = desc_version;
fail:
*map = m;
@ -97,7 +103,8 @@ static efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
u64 max_addr = 0;
int i;
status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size);
status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
NULL, NULL);
if (status != EFI_SUCCESS)
goto fail;
@ -183,7 +190,8 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
unsigned long nr_pages;
int i;
status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size);
status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
NULL, NULL);
if (status != EFI_SUCCESS)
goto fail;