/*
* The default OPAL console.
*
* In the absence of a "real" OPAL console driver we handle the OPAL_CONSOLE_*
* calls by writing into the skiboot log buffer. Reads are a little more
* complicated since they can come from the in-memory console (BML) or from the
* internal skiboot console driver.
*/
static int64_t dummy_console_write(int64_t term_number, int64_t *length,
const uint8_t *buffer)
{
if (term_number != 0)
return OPAL_PARAMETER;
if (!opal_addr_valid(length) || !opal_addr_valid(buffer))
return OPAL_PARAMETER;
write(0, buffer, *length);
return OPAL_SUCCESS;
}
static int64_t dummy_console_read(int64_t term_number, int64_t *length,
uint8_t *buffer)
{
if (term_number != 0)
return OPAL_PARAMETER;
if (!opal_addr_valid(length) || !opal_addr_valid(buffer))
return OPAL_PARAMETER;
*length = read(0, buffer, *length);
opal_update_pending_evt(OPAL_EVENT_CONSOLE_INPUT, 0);
return OPAL_SUCCESS;
}
static int64_t opal_flash_write(uint64_t id, uint64_t offset, uint64_t buf,
uint64_t size, uint64_t token)
{
if (!opal_addr_valid((void *)buf))
return OPAL_PARAMETER;
return opal_flash_op(FLASH_OP_WRITE, id, offset, buf, size, token);
}
static int64_t dummy_console_write_buffer_space(int64_t term_number,
int64_t *length)
{
if (term_number != 0)
return OPAL_PARAMETER;
if (!opal_addr_valid(length))
return OPAL_PARAMETER;
if (length)
*length = INMEM_CON_OUT_LEN;
return OPAL_SUCCESS;
}
static int64_t opal_pci_get_hub_diag_data(uint64_t hub_id,
void *diag_buffer,
uint64_t diag_buffer_len)
{
struct io_hub *hub = cec_get_hub_by_id(hub_id);
if (!opal_addr_valid(diag_buffer))
return OPAL_PARAMETER;
if (!hub)
return OPAL_PARAMETER;
if (!hub->ops->get_diag_data)
return OPAL_UNSUPPORTED;
return hub->ops->get_diag_data(hub, diag_buffer, diag_buffer_len);
}
