diff options
| author | Roy Franz <roy.franz@linaro.org> | 2013-09-23 02:45:36 +0400 |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2013-09-25 15:34:40 +0400 |
| commit | 1c089c65f54b70261fdcb4c238986a979c11fad7 (patch) | |
| tree | ec104c4f5e2589b6c8cb570b9636431b5a9ec3db /drivers/firmware | |
| parent | 86cc653b1955c0a47681d16457f9ee9009f2561a (diff) | |
| download | linux-1c089c65f54b70261fdcb4c238986a979c11fad7.tar.xz | |
efi: generalize efi_get_memory_map()
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>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efi/efi-stub-helper.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c index 561b9cf7745f..b314bf720272 100644 --- a/drivers/firmware/efi/efi-stub-helper.c +++ b/drivers/firmware/efi/efi-stub-helper.c @@ -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 @@ again: 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; |