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Diffstat (limited to 'arch/powerpc/kernel/rtas_flash.c')
-rw-r--r--arch/powerpc/kernel/rtas_flash.c51
1 files changed, 34 insertions, 17 deletions
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 5b77026..5b30224 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -57,13 +57,31 @@
#define VALIDATE_READY -1001 /* Firmware image ready for validation */
#define VALIDATE_PARAM_ERR -3 /* RTAS Parameter Error */
#define VALIDATE_HW_ERR -1 /* RTAS Hardware Error */
-#define VALIDATE_TMP_UPDATE 0 /* Validate Return Status */
-#define VALIDATE_FLASH_AUTH 1 /* Validate Return Status */
-#define VALIDATE_INVALID_IMG 2 /* Validate Return Status */
-#define VALIDATE_CUR_UNKNOWN 3 /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT_DL 4 /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT 5 /* Validate Return Status */
-#define VALIDATE_TMP_UPDATE_DL 6 /* Validate Return Status */
+
+/* ibm,validate-flash-image update result tokens */
+#define VALIDATE_TMP_UPDATE 0 /* T side will be updated */
+#define VALIDATE_FLASH_AUTH 1 /* Partition does not have authority */
+#define VALIDATE_INVALID_IMG 2 /* Candidate image is not valid */
+#define VALIDATE_CUR_UNKNOWN 3 /* Current fixpack level is unknown */
+/*
+ * Current T side will be committed to P side before being replace with new
+ * image, and the new image is downlevel from current image
+ */
+#define VALIDATE_TMP_COMMIT_DL 4
+/*
+ * Current T side will be committed to P side before being replaced with new
+ * image
+ */
+#define VALIDATE_TMP_COMMIT 5
+/*
+ * T side will be updated with a downlevel image
+ */
+#define VALIDATE_TMP_UPDATE_DL 6
+/*
+ * The candidate image's release date is later than the system's firmware
+ * service entitlement date - service warranty period has expired
+ */
+#define VALIDATE_OUT_OF_WRNTY 7
/* ibm,manage-flash-image operation tokens */
#define RTAS_REJECT_TMP_IMG 0
@@ -287,12 +305,6 @@ static ssize_t rtas_flash_read_num(struct file *file, char __user *buf,
return simple_read_from_buffer(buf, count, ppos, msg, strlen(msg));
}
-/* constructor for flash_block_cache */
-static void rtas_block_ctor(void *ptr)
-{
- memset(ptr, 0, RTAS_BLK_SIZE);
-}
-
/* We could be much more efficient here. But to keep this function
* simple we allocate a page to the block list no matter how small the
* count is. If the system is low on memory it will be just as well
@@ -316,7 +328,7 @@ static ssize_t rtas_flash_write(struct file *file, const char __user *buffer,
* proc file
*/
if (uf->flist == NULL) {
- uf->flist = kmem_cache_alloc(flash_block_cache, GFP_KERNEL);
+ uf->flist = kmem_cache_zalloc(flash_block_cache, GFP_KERNEL);
if (!uf->flist)
goto nomem;
}
@@ -327,7 +339,7 @@ static ssize_t rtas_flash_write(struct file *file, const char __user *buffer,
next_free = fl->num_blocks;
if (next_free == FLASH_BLOCKS_PER_NODE) {
/* Need to allocate another block_list */
- fl->next = kmem_cache_alloc(flash_block_cache, GFP_KERNEL);
+ fl->next = kmem_cache_zalloc(flash_block_cache, GFP_KERNEL);
if (!fl->next)
goto nomem;
fl = fl->next;
@@ -336,7 +348,7 @@ static ssize_t rtas_flash_write(struct file *file, const char __user *buffer,
if (count > RTAS_BLK_SIZE)
count = RTAS_BLK_SIZE;
- p = kmem_cache_alloc(flash_block_cache, GFP_KERNEL);
+ p = kmem_cache_zalloc(flash_block_cache, GFP_KERNEL);
if (!p)
goto nomem;
@@ -700,7 +712,7 @@ static int __init rtas_flash_init(void)
flash_block_cache = kmem_cache_create("rtas_flash_cache",
RTAS_BLK_SIZE, RTAS_BLK_SIZE, 0,
- rtas_block_ctor);
+ NULL);
if (!flash_block_cache) {
printk(KERN_ERR "%s: failed to create block cache\n",
__func__);
@@ -746,6 +758,11 @@ static void __exit rtas_flash_cleanup(void)
rtas_flash_term_hook = NULL;
+ if (rtas_firmware_flash_list) {
+ free_flash_list(rtas_firmware_flash_list);
+ rtas_firmware_flash_list = NULL;
+ }
+
for (i = 0; i < ARRAY_SIZE(rtas_flash_files); i++) {
const struct rtas_flash_file *f = &rtas_flash_files[i];
remove_proc_entry(f->filename, NULL);
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