sfc_ef100: functions for selftests

Self-tests for event and interrupt reception and NVRAM.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c
index c81da0b..90fc440 100644 (file)
--- a/drivers/net/ethernet/sfc/ef100_nic.c
+++ b/drivers/net/ethernet/sfc/ef100_nic.c
@@ -632,6 +632,50 @@ static int efx_ef100_get_phys_port_id(struct efx_nic *efx,
        return 0;
 }
 
+static int efx_ef100_irq_test_generate(struct efx_nic *efx)
+{
+       MCDI_DECLARE_BUF(inbuf, MC_CMD_TRIGGER_INTERRUPT_IN_LEN);
+
+       BUILD_BUG_ON(MC_CMD_TRIGGER_INTERRUPT_OUT_LEN != 0);
+
+       MCDI_SET_DWORD(inbuf, TRIGGER_INTERRUPT_IN_INTR_LEVEL, efx->irq_level);
+       return efx_mcdi_rpc_quiet(efx, MC_CMD_TRIGGER_INTERRUPT,
+                                 inbuf, sizeof(inbuf), NULL, 0, NULL);
+}
+
+#define EFX_EF100_TEST 1
+
+static void efx_ef100_ev_test_generate(struct efx_channel *channel)
+{
+       MCDI_DECLARE_BUF(inbuf, MC_CMD_DRIVER_EVENT_IN_LEN);
+       struct efx_nic *efx = channel->efx;
+       efx_qword_t event;
+       int rc;
+
+       EFX_POPULATE_QWORD_2(event,
+                            ESF_GZ_E_TYPE, ESE_GZ_EF100_EV_DRIVER,
+                            ESF_GZ_DRIVER_DATA, EFX_EF100_TEST);
+
+       MCDI_SET_DWORD(inbuf, DRIVER_EVENT_IN_EVQ, channel->channel);
+
+       /* MCDI_SET_QWORD is not appropriate here since EFX_POPULATE_* has
+        * already swapped the data to little-endian order.
+        */
+       memcpy(MCDI_PTR(inbuf, DRIVER_EVENT_IN_DATA), &event.u64[0],
+              sizeof(efx_qword_t));
+
+       rc = efx_mcdi_rpc(efx, MC_CMD_DRIVER_EVENT, inbuf, sizeof(inbuf),
+                         NULL, 0, NULL);
+       if (rc && (rc != -ENETDOWN))
+               goto fail;
+
+       return;
+
+fail:
+       WARN_ON(true);
+       netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
+}
+
 static unsigned int ef100_check_caps(const struct efx_nic *efx,
                                     u8 flag, u32 offset)
 {
@@ -668,6 +712,7 @@ const struct efx_nic_type ef100_pf_nic_type = {
        .mcdi_poll_reboot = ef100_mcdi_poll_reboot,
        .mcdi_reboot_detected = ef100_mcdi_reboot_detected,
        .irq_enable_master = efx_port_dummy_op_void,
+       .irq_test_generate = efx_ef100_irq_test_generate,
        .irq_disable_non_ev = efx_port_dummy_op_void,
        .push_irq_moderation = efx_channel_dummy_op_void,
        .min_interrupt_mode = EFX_INT_MODE_MSIX,
@@ -684,6 +729,7 @@ const struct efx_nic_type ef100_pf_nic_type = {
        .irq_handle_msi = ef100_msi_interrupt,
        .ev_process = ef100_ev_process,
        .ev_read_ack = ef100_ev_read_ack,
+       .ev_test_generate = efx_ef100_ev_test_generate,
        .tx_probe = ef100_tx_probe,
        .tx_init = ef100_tx_init,
        .tx_write = ef100_tx_write,
@@ -722,6 +768,7 @@ const struct efx_nic_type ef100_pf_nic_type = {
        .rx_restore_rss_contexts = efx_mcdi_rx_restore_rss_contexts,
 
        .reconfigure_mac = ef100_reconfigure_mac,
+       .test_nvram = efx_new_mcdi_nvram_test_all,
        .describe_stats = ef100_describe_stats,
        .start_stats = efx_mcdi_mac_start_stats,
        .update_stats = ef100_update_stats,