/*
* OPAL update flash
*/
static int opal_flash_update(int op)
{
struct opal_sg_list *list;
unsigned long addr;
int64_t rc = OPAL_PARAMETER;
if (op == FLASH_UPDATE_CANCEL) {
pr_alert("FLASH: Image update cancelled\n");
addr = '\0';
goto flash;
}
list = opal_vmalloc_to_sg_list(image_data.data, image_data.size);
if (!list)
goto invalid_img;
/* First entry address */
addr = __pa(list);
flash:
rc = opal_update_flash(addr);
invalid_img:
return rc;
}
/*
* OPAL update flash
*/
static int opal_flash_update(int op)
{
struct opal_sg_list *sg, *list, *next;
unsigned long addr;
int64_t rc = OPAL_PARAMETER;
if (op == FLASH_UPDATE_CANCEL) {
pr_alert("FLASH: Image update cancelled\n");
addr = '\0';
goto flash;
}
list = image_data_to_sglist();
if (!list)
goto invalid_img;
/* First entry address */
addr = __pa(list);
/* Translate sg list address to absolute */
for (sg = list; sg; sg = next) {
next = sg->next;
/* Don't translate NULL pointer for last entry */
if (sg->next)
sg->next = (struct opal_sg_list *)__pa(sg->next);
else
sg->next = NULL;
/*
* Convert num_entries to version/length format
* to satisfy OPAL.
*/
sg->num_entries = (SG_LIST_VERSION << 56) |
(sg->num_entries * sizeof(struct opal_sg_entry) + 16);
}
pr_alert("FLASH: Image is %u bytes\n", image_data.size);
pr_alert("FLASH: Image update requested\n");
pr_alert("FLASH: Image will be updated during system reboot\n");
pr_alert("FLASH: This will take several minutes. Do not power off!\n");
flash:
rc = opal_update_flash(addr);
invalid_img:
return rc;
}
