sfc: Add efx_nic_type operation for NVRAM self-test

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/sfc/falcon.c

@@ -2345,7 +2345,8 @@ static void falcon_remove_port(struct efx_nic *efx)
  *
  **************************************************************************/
 
-int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
+static int
+falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
 {
 	struct falcon_nvconfig *nvconfig;
 	struct efx_spi_device *spi;
@@ -2408,6 +2409,11 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
 	return rc;
 }
 
+static int falcon_test_nvram(struct efx_nic *efx)
+{
+	return falcon_read_nvram(efx, NULL);
+}
+
 /* Registers tested in the falcon register test */
 static struct {
 	unsigned address;
@@ -3290,6 +3296,7 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.get_wol = falcon_get_wol,
 	.set_wol = falcon_set_wol,
 	.resume_wol = efx_port_dummy_op_void,
+	.test_nvram = falcon_test_nvram,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_A1,
@@ -3328,6 +3335,7 @@ struct efx_nic_type falcon_b0_nic_type = {
 	.set_wol = falcon_set_wol,
 	.resume_wol = efx_port_dummy_op_void,
 	.test_registers = falcon_b0_test_registers,
+	.test_nvram = falcon_test_nvram,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_B0,

drivers/net/sfc/falcon.h

@@ -151,9 +151,6 @@ extern void falcon_stop_nic_stats(struct efx_nic *efx);
 extern int falcon_reset_xaui(struct efx_nic *efx);
 
 /* Tests */
-struct falcon_nvconfig;
-extern int falcon_read_nvram(struct efx_nic *efx,
-			     struct falcon_nvconfig *nvconfig);
 
 /**************************************************************************
  *

drivers/net/sfc/net_driver.h

@@ -865,6 +865,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @set_wol: Push WoL configuration to the NIC
  * @resume_wol: Synchronise WoL state between driver and MC (e.g. after resume)
  * @test_registers: Test read/write functionality of control registers
+ * @test_nvram: Test validity of NVRAM contents
  * @default_mac_ops: efx_mac_operations to set at startup
  * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
@@ -904,6 +905,7 @@ struct efx_nic_type {
 	int (*set_wol)(struct efx_nic *efx, u32 type);
 	void (*resume_wol)(struct efx_nic *efx);
 	int (*test_registers)(struct efx_nic *efx);
+	int (*test_nvram)(struct efx_nic *efx);
 	struct efx_mac_operations *default_mac_ops;
 
 	int revision;

drivers/net/sfc/selftest.c

@@ -113,10 +113,13 @@ static int efx_test_mdio(struct efx_nic *efx, struct efx_self_tests *tests)
 
 static int efx_test_nvram(struct efx_nic *efx, struct efx_self_tests *tests)
 {
-	int rc;
+	int rc = 0;
+
+	if (efx->type->test_nvram) {
+		rc = efx->type->test_nvram(efx);
+		tests->nvram = rc ? -1 : 1;
+	}
 
-	rc = falcon_read_nvram(efx, NULL);
-	tests->nvram = rc ? -1 : 1;
 	return rc;
 }