static int64_t opal_ipmi_recv(uint64_t interface,
struct opal_ipmi_msg *opal_ipmi_msg, uint64_t *msg_len)
{
struct ipmi_msg *msg;
int64_t rc;
lock(&msgq_lock);
msg = list_top(&msgq, struct ipmi_msg, link);
if (!msg) {
rc = OPAL_EMPTY;
goto out_unlock;
}
if (opal_ipmi_msg->version != OPAL_IPMI_MSG_FORMAT_VERSION_1) {
prerror("OPAL IPMI: Incorrect version\n");
rc = OPAL_UNSUPPORTED;
goto out_del_msg;
}
if (interface != IPMI_DEFAULT_INTERFACE) {
prerror("IPMI: Invalid interface 0x%llx in opal_ipmi_recv\n", interface);
rc = OPAL_PARAMETER;
goto out_del_msg;
}
if (*msg_len - sizeof(struct opal_ipmi_msg) < msg->resp_size + 1) {
rc = OPAL_RESOURCE;
goto out_del_msg;
}
list_del(&msg->link);
if (list_empty(&msgq))
opal_update_pending_evt(ipmi_backend->opal_event_ipmi_recv, 0);
unlock(&msgq_lock);
opal_ipmi_msg->cmd = msg->cmd;
opal_ipmi_msg->netfn = msg->netfn;
opal_ipmi_msg->data[0] = msg->cc;
memcpy(&opal_ipmi_msg->data[1], msg->data, msg->resp_size);
prlog(PR_DEBUG, "opal_ipmi_recv(cmd: 0x%02x netfn: 0x%02x resp_size: 0x%02x)\n",
msg->cmd, msg->netfn >> 2, msg->resp_size);
/* Add one as the completion code is returned in the message data */
*msg_len = msg->resp_size + sizeof(struct opal_ipmi_msg) + 1;
ipmi_free_msg(msg);
return OPAL_SUCCESS;
out_del_msg:
list_del(&msg->link);
if (list_empty(&msgq))
opal_update_pending_evt(ipmi_backend->opal_event_ipmi_recv, 0);
ipmi_free_msg(msg);
out_unlock:
unlock(&msgq_lock);
return rc;
}
static void uart_adjust_opal_event(void)
{
if (in_count)
opal_update_pending_evt(OPAL_EVENT_CONSOLE_INPUT,
OPAL_EVENT_CONSOLE_INPUT);
else
opal_update_pending_evt(OPAL_EVENT_CONSOLE_INPUT, 0);
}
void opal_pci_eeh_set_evt(uint64_t phb_id)
{
lock(&opal_eeh_evt_lock);
opal_eeh_evt |= 1ULL << phb_id;
opal_update_pending_evt(OPAL_EVENT_PCI_ERROR, OPAL_EVENT_PCI_ERROR);
unlock(&opal_eeh_evt_lock);
}
void opal_pci_eeh_clear_evt(uint64_t phb_id)
{
lock(&opal_eeh_evt_lock);
opal_eeh_evt &= ~(1ULL << phb_id);
if (!opal_eeh_evt)
opal_update_pending_evt(OPAL_EVENT_PCI_ERROR, 0);
unlock(&opal_eeh_evt_lock);
}
static void opal_send_complete(struct ipmi_msg *msg)
{
lock(&msgq_lock);
list_add_tail(&msgq, &msg->link);
opal_update_pending_evt(ipmi_backend->opal_event_ipmi_recv,
ipmi_backend->opal_event_ipmi_recv);
unlock(&msgq_lock);
}
static int64_t dummy_console_read(int64_t term_number, int64_t *length,
uint8_t *buffer)
{
if (term_number != 0)
return OPAL_PARAMETER;
*length = read(0, buffer, *length);
opal_update_pending_evt(OPAL_EVENT_CONSOLE_INPUT, 0);
return OPAL_SUCCESS;
}
