/*
* 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;
}
static int64_t dump_read_data(struct dump_obj *dump)
{
struct opal_sg_list *list;
uint64_t addr;
int64_t rc;
/* Allocate memory */
dump->buffer = vzalloc(PAGE_ALIGN(dump->size));
if (!dump->buffer) {
pr_err("%s : Failed to allocate memory\n", __func__);
rc = -ENOMEM;
goto out;
}
/* Generate SG list */
list = opal_vmalloc_to_sg_list(dump->buffer, dump->size);
if (!list) {
rc = -ENOMEM;
goto out;
}
/* First entry address */
addr = __pa(list);
/* Fetch data */
rc = OPAL_BUSY_EVENT;
while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
rc = opal_dump_read(dump->id, addr);
if (rc == OPAL_BUSY_EVENT) {
opal_poll_events(NULL);
msleep(20);
}
}
if (rc != OPAL_SUCCESS && rc != OPAL_PARTIAL)
pr_warn("%s: Extract dump failed for ID 0x%x\n",
__func__, dump->id);
/* Free SG list */
opal_free_sg_list(list);
out:
return rc;
}
