Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 28 insertions, 26 deletions

diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c
index 8ae1ebd3539..3a1ca2bd154 100644
--- a/drivers/net/ethernet/sfc/falcon.c
+++ b/drivers/net/ethernet/sfc/falcon.c
@@ -19,7 +19,6 @@
 #include "net_driver.h"
 #include "bitfield.h"
 #include "efx.h"
-#include "mac.h"
 #include "spi.h"
 #include "nic.h"
 #include "regs.h"
@@ -89,7 +88,7 @@ static int falcon_getscl(void *data)
 	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO0_IN);
 }
 
-static struct i2c_algo_bit_data falcon_i2c_bit_operations = {
+static const struct i2c_algo_bit_data falcon_i2c_bit_operations = {
 	.setsda		= falcon_setsda,
 	.setscl		= falcon_setscl,
 	.getsda		= falcon_getsda,
@@ -104,8 +103,6 @@ static void falcon_push_irq_moderation(struct efx_channel *channel)
 	efx_dword_t timer_cmd;
 	struct efx_nic *efx = channel->efx;
 
-	BUILD_BUG_ON(EFX_IRQ_MOD_MAX > (1 << FRF_AB_TC_TIMER_VAL_WIDTH));
-
 	/* Set timer register */
 	if (channel->irq_moderation) {
 		EFX_POPULATE_DWORD_2(timer_cmd,
@@ -177,27 +174,24 @@ irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 		   "IRQ %d on CPU %d status " EFX_OWORD_FMT "\n",
 		   irq, raw_smp_processor_id(), EFX_OWORD_VAL(*int_ker));
 
+	/* Check to see if we have a serious error condition */
+	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
+	if (unlikely(syserr))
+		return efx_nic_fatal_interrupt(efx);
+
 	/* Determine interrupting queues, clear interrupt status
 	 * register and acknowledge the device interrupt.
 	 */
 	BUILD_BUG_ON(FSF_AZ_NET_IVEC_INT_Q_WIDTH > EFX_MAX_CHANNELS);
 	queues = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_INT_Q);
-
-	/* Check to see if we have a serious error condition */
-	if (queues & (1U << efx->fatal_irq_level)) {
-		syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
-		if (unlikely(syserr))
-			return efx_nic_fatal_interrupt(efx);
-	}
-
 	EFX_ZERO_OWORD(*int_ker);
 	wmb(); /* Ensure the vector is cleared before interrupt ack */
 	falcon_irq_ack_a1(efx);
 
 	if (queues & 1)
-		efx_schedule_channel(efx_get_channel(efx, 0));
+		efx_schedule_channel_irq(efx_get_channel(efx, 0));
 	if (queues & 2)
-		efx_schedule_channel(efx_get_channel(efx, 1));
+		efx_schedule_channel_irq(efx_get_channel(efx, 1));
 	return IRQ_HANDLED;
 }
 /**************************************************************************
@@ -613,7 +607,7 @@ static void falcon_stats_complete(struct efx_nic *efx)
 	nic_data->stats_pending = false;
 	if (*nic_data->stats_dma_done == FALCON_STATS_DONE) {
 		rmb(); /* read the done flag before the stats */
-		efx->mac_op->update_stats(efx);
+		falcon_update_stats_xmac(efx);
 	} else {
 		netif_err(efx, hw, efx->net_dev,
 			  "timed out waiting for statistics\n");
@@ -670,7 +664,7 @@ static int falcon_reconfigure_port(struct efx_nic *efx)
 	falcon_reset_macs(efx);
 
 	efx->phy_op->reconfigure(efx);
-	rc = efx->mac_op->reconfigure(efx);
+	rc = falcon_reconfigure_xmac(efx);
 	BUG_ON(rc);
 
 	falcon_start_nic_stats(efx);
@@ -1218,7 +1212,7 @@ static void falcon_monitor(struct efx_nic *efx)
 		falcon_deconfigure_mac_wrapper(efx);
 
 		falcon_reset_macs(efx);
-		rc = efx->mac_op->reconfigure(efx);
+		rc = falcon_reconfigure_xmac(efx);
 		BUG_ON(rc);
 
 		falcon_start_nic_stats(efx);
@@ -1339,6 +1333,12 @@ out:
 	return rc;
 }
 
+static void falcon_dimension_resources(struct efx_nic *efx)
+{
+	efx->rx_dc_base = 0x20000;
+	efx->tx_dc_base = 0x26000;
+}
+
 /* Probe all SPI devices on the NIC */
 static void falcon_probe_spi_devices(struct efx_nic *efx)
 {
@@ -1472,6 +1472,8 @@ static int falcon_probe_nic(struct efx_nic *efx)
 		goto fail5;
 	}
 
+	efx->timer_quantum_ns = 4968; /* 621 cycles */
+
 	/* Initialise I2C adapter */
 	board = falcon_board(efx);
 	board->i2c_adap.owner = THIS_MODULE;
@@ -1676,7 +1678,7 @@ static void falcon_update_nic_stats(struct efx_nic *efx)
 	    *nic_data->stats_dma_done == FALCON_STATS_DONE) {
 		nic_data->stats_pending = false;
 		rmb(); /* read the done flag before the stats */
-		efx->mac_op->update_stats(efx);
+		falcon_update_stats_xmac(efx);
 	}
 }
 
@@ -1753,6 +1755,7 @@ const struct efx_nic_type falcon_a1_nic_type = {
 	.probe = falcon_probe_nic,
 	.remove = falcon_remove_nic,
 	.init = falcon_init_nic,
+	.dimension_resources = falcon_dimension_resources,
 	.fini = efx_port_dummy_op_void,
 	.monitor = falcon_monitor,
 	.map_reset_reason = falcon_map_reset_reason,
@@ -1767,13 +1770,13 @@ const struct efx_nic_type falcon_a1_nic_type = {
 	.stop_stats = falcon_stop_nic_stats,
 	.set_id_led = falcon_set_id_led,
 	.push_irq_moderation = falcon_push_irq_moderation,
-	.push_multicast_hash = falcon_push_multicast_hash,
 	.reconfigure_port = falcon_reconfigure_port,
+	.reconfigure_mac = falcon_reconfigure_xmac,
+	.check_mac_fault = falcon_xmac_check_fault,
 	.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,
 	.mem_map_size = 0x20000,
@@ -1786,8 +1789,7 @@ const struct efx_nic_type falcon_a1_nic_type = {
 	.rx_buffer_padding = 0x24,
 	.max_interrupt_mode = EFX_INT_MODE_MSI,
 	.phys_addr_channels = 4,
-	.tx_dc_base = 0x130000,
-	.rx_dc_base = 0x100000,
+	.timer_period_max =  1 << FRF_AB_TC_TIMER_VAL_WIDTH,
 	.offload_features = NETIF_F_IP_CSUM,
 };
 
@@ -1795,6 +1797,7 @@ const struct efx_nic_type falcon_b0_nic_type = {
 	.probe = falcon_probe_nic,
 	.remove = falcon_remove_nic,
 	.init = falcon_init_nic,
+	.dimension_resources = falcon_dimension_resources,
 	.fini = efx_port_dummy_op_void,
 	.monitor = falcon_monitor,
 	.map_reset_reason = falcon_map_reset_reason,
@@ -1809,14 +1812,14 @@ const struct efx_nic_type falcon_b0_nic_type = {
 	.stop_stats = falcon_stop_nic_stats,
 	.set_id_led = falcon_set_id_led,
 	.push_irq_moderation = falcon_push_irq_moderation,
-	.push_multicast_hash = falcon_push_multicast_hash,
 	.reconfigure_port = falcon_reconfigure_port,
+	.reconfigure_mac = falcon_reconfigure_xmac,
+	.check_mac_fault = falcon_xmac_check_fault,
 	.get_wol = falcon_get_wol,
 	.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,
 	/* Map everything up to and including the RSS indirection
@@ -1837,8 +1840,7 @@ const struct efx_nic_type falcon_b0_nic_type = {
 	.phys_addr_channels = 32, /* Hardware limit is 64, but the legacy
 				   * interrupt handler only supports 32
 				   * channels */
-	.tx_dc_base = 0x130000,
-	.rx_dc_base = 0x100000,
+	.timer_period_max =  1 << FRF_AB_TC_TIMER_VAL_WIDTH,
 	.offload_features = NETIF_F_IP_CSUM | NETIF_F_RXHASH | NETIF_F_NTUPLE,
 };