162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only
262306a36Sopenharmony_ci/****************************************************************************
362306a36Sopenharmony_ci * Driver for Solarflare network controllers and boards
462306a36Sopenharmony_ci * Copyright 2005-2006 Fen Systems Ltd.
562306a36Sopenharmony_ci * Copyright 2006-2013 Solarflare Communications Inc.
662306a36Sopenharmony_ci */
762306a36Sopenharmony_ci
862306a36Sopenharmony_ci#include <linux/bitops.h>
962306a36Sopenharmony_ci#include <linux/delay.h>
1062306a36Sopenharmony_ci#include <linux/pci.h>
1162306a36Sopenharmony_ci#include <linux/module.h>
1262306a36Sopenharmony_ci#include <linux/slab.h>
1362306a36Sopenharmony_ci#include <linux/random.h>
1462306a36Sopenharmony_ci#include "net_driver.h"
1562306a36Sopenharmony_ci#include "bitfield.h"
1662306a36Sopenharmony_ci#include "efx.h"
1762306a36Sopenharmony_ci#include "efx_common.h"
1862306a36Sopenharmony_ci#include "nic.h"
1962306a36Sopenharmony_ci#include "farch_regs.h"
2062306a36Sopenharmony_ci#include "io.h"
2162306a36Sopenharmony_ci#include "workarounds.h"
2262306a36Sopenharmony_ci#include "mcdi.h"
2362306a36Sopenharmony_ci#include "mcdi_pcol.h"
2462306a36Sopenharmony_ci#include "mcdi_port.h"
2562306a36Sopenharmony_ci#include "mcdi_port_common.h"
2662306a36Sopenharmony_ci#include "selftest.h"
2762306a36Sopenharmony_ci#include "siena_sriov.h"
2862306a36Sopenharmony_ci#include "rx_common.h"
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ci/* Hardware control for SFC9000 family including SFL9021 (aka Siena). */
3162306a36Sopenharmony_ci
3262306a36Sopenharmony_cistatic void siena_init_wol(struct efx_nic *efx);
3362306a36Sopenharmony_ci
3462306a36Sopenharmony_ci
3562306a36Sopenharmony_cistatic void siena_push_irq_moderation(struct efx_channel *channel)
3662306a36Sopenharmony_ci{
3762306a36Sopenharmony_ci	struct efx_nic *efx = channel->efx;
3862306a36Sopenharmony_ci	efx_dword_t timer_cmd;
3962306a36Sopenharmony_ci
4062306a36Sopenharmony_ci	if (channel->irq_moderation_us) {
4162306a36Sopenharmony_ci		unsigned int ticks;
4262306a36Sopenharmony_ci
4362306a36Sopenharmony_ci		ticks = efx_siena_usecs_to_ticks(efx, channel->irq_moderation_us);
4462306a36Sopenharmony_ci		EFX_POPULATE_DWORD_2(timer_cmd,
4562306a36Sopenharmony_ci				     FRF_CZ_TC_TIMER_MODE,
4662306a36Sopenharmony_ci				     FFE_CZ_TIMER_MODE_INT_HLDOFF,
4762306a36Sopenharmony_ci				     FRF_CZ_TC_TIMER_VAL,
4862306a36Sopenharmony_ci				     ticks - 1);
4962306a36Sopenharmony_ci	} else {
5062306a36Sopenharmony_ci		EFX_POPULATE_DWORD_2(timer_cmd,
5162306a36Sopenharmony_ci				     FRF_CZ_TC_TIMER_MODE,
5262306a36Sopenharmony_ci				     FFE_CZ_TIMER_MODE_DIS,
5362306a36Sopenharmony_ci				     FRF_CZ_TC_TIMER_VAL, 0);
5462306a36Sopenharmony_ci	}
5562306a36Sopenharmony_ci	efx_writed_page_locked(channel->efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
5662306a36Sopenharmony_ci			       channel->channel);
5762306a36Sopenharmony_ci}
5862306a36Sopenharmony_ci
5962306a36Sopenharmony_civoid efx_siena_prepare_flush(struct efx_nic *efx)
6062306a36Sopenharmony_ci{
6162306a36Sopenharmony_ci	if (efx->fc_disable++ == 0)
6262306a36Sopenharmony_ci		efx_siena_mcdi_set_mac(efx);
6362306a36Sopenharmony_ci}
6462306a36Sopenharmony_ci
6562306a36Sopenharmony_civoid siena_finish_flush(struct efx_nic *efx)
6662306a36Sopenharmony_ci{
6762306a36Sopenharmony_ci	if (--efx->fc_disable == 0)
6862306a36Sopenharmony_ci		efx_siena_mcdi_set_mac(efx);
6962306a36Sopenharmony_ci}
7062306a36Sopenharmony_ci
7162306a36Sopenharmony_cistatic const struct efx_farch_register_test siena_register_tests[] = {
7262306a36Sopenharmony_ci	{ FR_AZ_ADR_REGION,
7362306a36Sopenharmony_ci	  EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
7462306a36Sopenharmony_ci	{ FR_CZ_USR_EV_CFG,
7562306a36Sopenharmony_ci	  EFX_OWORD32(0x000103FF, 0x00000000, 0x00000000, 0x00000000) },
7662306a36Sopenharmony_ci	{ FR_AZ_RX_CFG,
7762306a36Sopenharmony_ci	  EFX_OWORD32(0xFFFFFFFE, 0xFFFFFFFF, 0x0003FFFF, 0x00000000) },
7862306a36Sopenharmony_ci	{ FR_AZ_TX_CFG,
7962306a36Sopenharmony_ci	  EFX_OWORD32(0x7FFF0037, 0xFFFF8000, 0xFFFFFFFF, 0x03FFFFFF) },
8062306a36Sopenharmony_ci	{ FR_AZ_TX_RESERVED,
8162306a36Sopenharmony_ci	  EFX_OWORD32(0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF) },
8262306a36Sopenharmony_ci	{ FR_AZ_SRM_TX_DC_CFG,
8362306a36Sopenharmony_ci	  EFX_OWORD32(0x001FFFFF, 0x00000000, 0x00000000, 0x00000000) },
8462306a36Sopenharmony_ci	{ FR_AZ_RX_DC_CFG,
8562306a36Sopenharmony_ci	  EFX_OWORD32(0x00000003, 0x00000000, 0x00000000, 0x00000000) },
8662306a36Sopenharmony_ci	{ FR_AZ_RX_DC_PF_WM,
8762306a36Sopenharmony_ci	  EFX_OWORD32(0x000003FF, 0x00000000, 0x00000000, 0x00000000) },
8862306a36Sopenharmony_ci	{ FR_BZ_DP_CTRL,
8962306a36Sopenharmony_ci	  EFX_OWORD32(0x00000FFF, 0x00000000, 0x00000000, 0x00000000) },
9062306a36Sopenharmony_ci	{ FR_BZ_RX_RSS_TKEY,
9162306a36Sopenharmony_ci	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
9262306a36Sopenharmony_ci	{ FR_CZ_RX_RSS_IPV6_REG1,
9362306a36Sopenharmony_ci	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
9462306a36Sopenharmony_ci	{ FR_CZ_RX_RSS_IPV6_REG2,
9562306a36Sopenharmony_ci	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
9662306a36Sopenharmony_ci	{ FR_CZ_RX_RSS_IPV6_REG3,
9762306a36Sopenharmony_ci	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000) },
9862306a36Sopenharmony_ci};
9962306a36Sopenharmony_ci
10062306a36Sopenharmony_cistatic int siena_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
10162306a36Sopenharmony_ci{
10262306a36Sopenharmony_ci	enum reset_type reset_method = RESET_TYPE_ALL;
10362306a36Sopenharmony_ci	int rc, rc2;
10462306a36Sopenharmony_ci
10562306a36Sopenharmony_ci	efx_siena_reset_down(efx, reset_method);
10662306a36Sopenharmony_ci
10762306a36Sopenharmony_ci	/* Reset the chip immediately so that it is completely
10862306a36Sopenharmony_ci	 * quiescent regardless of what any VF driver does.
10962306a36Sopenharmony_ci	 */
11062306a36Sopenharmony_ci	rc = efx_siena_mcdi_reset(efx, reset_method);
11162306a36Sopenharmony_ci	if (rc)
11262306a36Sopenharmony_ci		goto out;
11362306a36Sopenharmony_ci
11462306a36Sopenharmony_ci	tests->registers =
11562306a36Sopenharmony_ci		efx_farch_test_registers(efx, siena_register_tests,
11662306a36Sopenharmony_ci					 ARRAY_SIZE(siena_register_tests))
11762306a36Sopenharmony_ci		? -1 : 1;
11862306a36Sopenharmony_ci
11962306a36Sopenharmony_ci	rc = efx_siena_mcdi_reset(efx, reset_method);
12062306a36Sopenharmony_ciout:
12162306a36Sopenharmony_ci	rc2 = efx_siena_reset_up(efx, reset_method, rc == 0);
12262306a36Sopenharmony_ci	return rc ? rc : rc2;
12362306a36Sopenharmony_ci}
12462306a36Sopenharmony_ci
12562306a36Sopenharmony_ci/**************************************************************************
12662306a36Sopenharmony_ci *
12762306a36Sopenharmony_ci * PTP
12862306a36Sopenharmony_ci *
12962306a36Sopenharmony_ci **************************************************************************
13062306a36Sopenharmony_ci */
13162306a36Sopenharmony_ci
13262306a36Sopenharmony_cistatic void siena_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
13362306a36Sopenharmony_ci{
13462306a36Sopenharmony_ci	_efx_writed(efx, cpu_to_le32(host_time),
13562306a36Sopenharmony_ci		    FR_CZ_MC_TREG_SMEM + MC_SMEM_P0_PTP_TIME_OFST);
13662306a36Sopenharmony_ci}
13762306a36Sopenharmony_ci
13862306a36Sopenharmony_cistatic int siena_ptp_set_ts_config(struct efx_nic *efx,
13962306a36Sopenharmony_ci				   struct hwtstamp_config *init)
14062306a36Sopenharmony_ci{
14162306a36Sopenharmony_ci	int rc;
14262306a36Sopenharmony_ci
14362306a36Sopenharmony_ci	switch (init->rx_filter) {
14462306a36Sopenharmony_ci	case HWTSTAMP_FILTER_NONE:
14562306a36Sopenharmony_ci		/* if TX timestamping is still requested then leave PTP on */
14662306a36Sopenharmony_ci		return efx_siena_ptp_change_mode(efx,
14762306a36Sopenharmony_ci					init->tx_type != HWTSTAMP_TX_OFF,
14862306a36Sopenharmony_ci					efx_siena_ptp_get_mode(efx));
14962306a36Sopenharmony_ci	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
15062306a36Sopenharmony_ci	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
15162306a36Sopenharmony_ci	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
15262306a36Sopenharmony_ci		init->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
15362306a36Sopenharmony_ci		return efx_siena_ptp_change_mode(efx, true, MC_CMD_PTP_MODE_V1);
15462306a36Sopenharmony_ci	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
15562306a36Sopenharmony_ci	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
15662306a36Sopenharmony_ci	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
15762306a36Sopenharmony_ci		init->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
15862306a36Sopenharmony_ci		rc = efx_siena_ptp_change_mode(efx, true,
15962306a36Sopenharmony_ci					       MC_CMD_PTP_MODE_V2_ENHANCED);
16062306a36Sopenharmony_ci		/* bug 33070 - old versions of the firmware do not support the
16162306a36Sopenharmony_ci		 * improved UUID filtering option. Similarly old versions of the
16262306a36Sopenharmony_ci		 * application do not expect it to be enabled. If the firmware
16362306a36Sopenharmony_ci		 * does not accept the enhanced mode, fall back to the standard
16462306a36Sopenharmony_ci		 * PTP v2 UUID filtering. */
16562306a36Sopenharmony_ci		if (rc != 0)
16662306a36Sopenharmony_ci			rc = efx_siena_ptp_change_mode(efx, true,
16762306a36Sopenharmony_ci						       MC_CMD_PTP_MODE_V2);
16862306a36Sopenharmony_ci		return rc;
16962306a36Sopenharmony_ci	default:
17062306a36Sopenharmony_ci		return -ERANGE;
17162306a36Sopenharmony_ci	}
17262306a36Sopenharmony_ci}
17362306a36Sopenharmony_ci
17462306a36Sopenharmony_ci/**************************************************************************
17562306a36Sopenharmony_ci *
17662306a36Sopenharmony_ci * Device reset
17762306a36Sopenharmony_ci *
17862306a36Sopenharmony_ci **************************************************************************
17962306a36Sopenharmony_ci */
18062306a36Sopenharmony_ci
18162306a36Sopenharmony_cistatic int siena_map_reset_flags(u32 *flags)
18262306a36Sopenharmony_ci{
18362306a36Sopenharmony_ci	enum {
18462306a36Sopenharmony_ci		SIENA_RESET_PORT = (ETH_RESET_DMA | ETH_RESET_FILTER |
18562306a36Sopenharmony_ci				    ETH_RESET_OFFLOAD | ETH_RESET_MAC |
18662306a36Sopenharmony_ci				    ETH_RESET_PHY),
18762306a36Sopenharmony_ci		SIENA_RESET_MC = (SIENA_RESET_PORT |
18862306a36Sopenharmony_ci				  ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT),
18962306a36Sopenharmony_ci	};
19062306a36Sopenharmony_ci
19162306a36Sopenharmony_ci	if ((*flags & SIENA_RESET_MC) == SIENA_RESET_MC) {
19262306a36Sopenharmony_ci		*flags &= ~SIENA_RESET_MC;
19362306a36Sopenharmony_ci		return RESET_TYPE_WORLD;
19462306a36Sopenharmony_ci	}
19562306a36Sopenharmony_ci
19662306a36Sopenharmony_ci	if ((*flags & SIENA_RESET_PORT) == SIENA_RESET_PORT) {
19762306a36Sopenharmony_ci		*flags &= ~SIENA_RESET_PORT;
19862306a36Sopenharmony_ci		return RESET_TYPE_ALL;
19962306a36Sopenharmony_ci	}
20062306a36Sopenharmony_ci
20162306a36Sopenharmony_ci	/* no invisible reset implemented */
20262306a36Sopenharmony_ci
20362306a36Sopenharmony_ci	return -EINVAL;
20462306a36Sopenharmony_ci}
20562306a36Sopenharmony_ci
20662306a36Sopenharmony_ci#ifdef CONFIG_EEH
20762306a36Sopenharmony_ci/* When a PCI device is isolated from the bus, a subsequent MMIO read is
20862306a36Sopenharmony_ci * required for the kernel EEH mechanisms to notice. As the Solarflare driver
20962306a36Sopenharmony_ci * was written to minimise MMIO read (for latency) then a periodic call to check
21062306a36Sopenharmony_ci * the EEH status of the device is required so that device recovery can happen
21162306a36Sopenharmony_ci * in a timely fashion.
21262306a36Sopenharmony_ci */
21362306a36Sopenharmony_cistatic void siena_monitor(struct efx_nic *efx)
21462306a36Sopenharmony_ci{
21562306a36Sopenharmony_ci	struct eeh_dev *eehdev = pci_dev_to_eeh_dev(efx->pci_dev);
21662306a36Sopenharmony_ci
21762306a36Sopenharmony_ci	eeh_dev_check_failure(eehdev);
21862306a36Sopenharmony_ci}
21962306a36Sopenharmony_ci#endif
22062306a36Sopenharmony_ci
22162306a36Sopenharmony_cistatic int siena_probe_nvconfig(struct efx_nic *efx)
22262306a36Sopenharmony_ci{
22362306a36Sopenharmony_ci	u32 caps = 0;
22462306a36Sopenharmony_ci	int rc;
22562306a36Sopenharmony_ci
22662306a36Sopenharmony_ci	rc = efx_siena_mcdi_get_board_cfg(efx, efx->net_dev->perm_addr, NULL,
22762306a36Sopenharmony_ci					  &caps);
22862306a36Sopenharmony_ci
22962306a36Sopenharmony_ci	efx->timer_quantum_ns =
23062306a36Sopenharmony_ci		(caps & (1 << MC_CMD_CAPABILITIES_TURBO_ACTIVE_LBN)) ?
23162306a36Sopenharmony_ci		3072 : 6144; /* 768 cycles */
23262306a36Sopenharmony_ci	efx->timer_max_ns = efx->type->timer_period_max *
23362306a36Sopenharmony_ci			    efx->timer_quantum_ns;
23462306a36Sopenharmony_ci
23562306a36Sopenharmony_ci	return rc;
23662306a36Sopenharmony_ci}
23762306a36Sopenharmony_ci
23862306a36Sopenharmony_cistatic int siena_dimension_resources(struct efx_nic *efx)
23962306a36Sopenharmony_ci{
24062306a36Sopenharmony_ci	/* Each port has a small block of internal SRAM dedicated to
24162306a36Sopenharmony_ci	 * the buffer table and descriptor caches.  In theory we can
24262306a36Sopenharmony_ci	 * map both blocks to one port, but we don't.
24362306a36Sopenharmony_ci	 */
24462306a36Sopenharmony_ci	efx_farch_dimension_resources(efx, FR_CZ_BUF_FULL_TBL_ROWS / 2);
24562306a36Sopenharmony_ci	return 0;
24662306a36Sopenharmony_ci}
24762306a36Sopenharmony_ci
24862306a36Sopenharmony_ci/* On all Falcon-architecture NICs, PFs use BAR 0 for I/O space and BAR 2(&3)
24962306a36Sopenharmony_ci * for memory.
25062306a36Sopenharmony_ci */
25162306a36Sopenharmony_cistatic unsigned int siena_mem_bar(struct efx_nic *efx)
25262306a36Sopenharmony_ci{
25362306a36Sopenharmony_ci	return 2;
25462306a36Sopenharmony_ci}
25562306a36Sopenharmony_ci
25662306a36Sopenharmony_cistatic unsigned int siena_mem_map_size(struct efx_nic *efx)
25762306a36Sopenharmony_ci{
25862306a36Sopenharmony_ci	return FR_CZ_MC_TREG_SMEM +
25962306a36Sopenharmony_ci		FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS;
26062306a36Sopenharmony_ci}
26162306a36Sopenharmony_ci
26262306a36Sopenharmony_cistatic int siena_probe_nic(struct efx_nic *efx)
26362306a36Sopenharmony_ci{
26462306a36Sopenharmony_ci	struct siena_nic_data *nic_data;
26562306a36Sopenharmony_ci	efx_oword_t reg;
26662306a36Sopenharmony_ci	int rc;
26762306a36Sopenharmony_ci
26862306a36Sopenharmony_ci	/* Allocate storage for hardware specific data */
26962306a36Sopenharmony_ci	nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL);
27062306a36Sopenharmony_ci	if (!nic_data)
27162306a36Sopenharmony_ci		return -ENOMEM;
27262306a36Sopenharmony_ci	nic_data->efx = efx;
27362306a36Sopenharmony_ci	efx->nic_data = nic_data;
27462306a36Sopenharmony_ci
27562306a36Sopenharmony_ci	if (efx_farch_fpga_ver(efx) != 0) {
27662306a36Sopenharmony_ci		netif_err(efx, probe, efx->net_dev,
27762306a36Sopenharmony_ci			  "Siena FPGA not supported\n");
27862306a36Sopenharmony_ci		rc = -ENODEV;
27962306a36Sopenharmony_ci		goto fail1;
28062306a36Sopenharmony_ci	}
28162306a36Sopenharmony_ci
28262306a36Sopenharmony_ci	efx->max_channels = EFX_MAX_CHANNELS;
28362306a36Sopenharmony_ci	efx->max_vis = EFX_MAX_CHANNELS;
28462306a36Sopenharmony_ci	efx->max_tx_channels = EFX_MAX_CHANNELS;
28562306a36Sopenharmony_ci	efx->tx_queues_per_channel = 4;
28662306a36Sopenharmony_ci
28762306a36Sopenharmony_ci	efx_reado(efx, &reg, FR_AZ_CS_DEBUG);
28862306a36Sopenharmony_ci	efx->port_num = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
28962306a36Sopenharmony_ci
29062306a36Sopenharmony_ci	rc = efx_siena_mcdi_init(efx);
29162306a36Sopenharmony_ci	if (rc)
29262306a36Sopenharmony_ci		goto fail1;
29362306a36Sopenharmony_ci
29462306a36Sopenharmony_ci	/* Now we can reset the NIC */
29562306a36Sopenharmony_ci	rc = efx_siena_mcdi_reset(efx, RESET_TYPE_ALL);
29662306a36Sopenharmony_ci	if (rc) {
29762306a36Sopenharmony_ci		netif_err(efx, probe, efx->net_dev, "failed to reset NIC\n");
29862306a36Sopenharmony_ci		goto fail3;
29962306a36Sopenharmony_ci	}
30062306a36Sopenharmony_ci
30162306a36Sopenharmony_ci	siena_init_wol(efx);
30262306a36Sopenharmony_ci
30362306a36Sopenharmony_ci	/* Allocate memory for INT_KER */
30462306a36Sopenharmony_ci	rc = efx_siena_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t),
30562306a36Sopenharmony_ci				    GFP_KERNEL);
30662306a36Sopenharmony_ci	if (rc)
30762306a36Sopenharmony_ci		goto fail4;
30862306a36Sopenharmony_ci	BUG_ON(efx->irq_status.dma_addr & 0x0f);
30962306a36Sopenharmony_ci
31062306a36Sopenharmony_ci	netif_dbg(efx, probe, efx->net_dev,
31162306a36Sopenharmony_ci		  "INT_KER at %llx (virt %p phys %llx)\n",
31262306a36Sopenharmony_ci		  (unsigned long long)efx->irq_status.dma_addr,
31362306a36Sopenharmony_ci		  efx->irq_status.addr,
31462306a36Sopenharmony_ci		  (unsigned long long)virt_to_phys(efx->irq_status.addr));
31562306a36Sopenharmony_ci
31662306a36Sopenharmony_ci	/* Read in the non-volatile configuration */
31762306a36Sopenharmony_ci	rc = siena_probe_nvconfig(efx);
31862306a36Sopenharmony_ci	if (rc == -EINVAL) {
31962306a36Sopenharmony_ci		netif_err(efx, probe, efx->net_dev,
32062306a36Sopenharmony_ci			  "NVRAM is invalid therefore using defaults\n");
32162306a36Sopenharmony_ci		efx->phy_type = PHY_TYPE_NONE;
32262306a36Sopenharmony_ci		efx->mdio.prtad = MDIO_PRTAD_NONE;
32362306a36Sopenharmony_ci	} else if (rc) {
32462306a36Sopenharmony_ci		goto fail5;
32562306a36Sopenharmony_ci	}
32662306a36Sopenharmony_ci
32762306a36Sopenharmony_ci	rc = efx_siena_mcdi_mon_probe(efx);
32862306a36Sopenharmony_ci	if (rc)
32962306a36Sopenharmony_ci		goto fail5;
33062306a36Sopenharmony_ci
33162306a36Sopenharmony_ci#ifdef CONFIG_SFC_SIENA_SRIOV
33262306a36Sopenharmony_ci	efx_siena_sriov_probe(efx);
33362306a36Sopenharmony_ci#endif
33462306a36Sopenharmony_ci	efx_siena_ptp_defer_probe_with_channel(efx);
33562306a36Sopenharmony_ci
33662306a36Sopenharmony_ci	return 0;
33762306a36Sopenharmony_ci
33862306a36Sopenharmony_cifail5:
33962306a36Sopenharmony_ci	efx_siena_free_buffer(efx, &efx->irq_status);
34062306a36Sopenharmony_cifail4:
34162306a36Sopenharmony_cifail3:
34262306a36Sopenharmony_ci	efx_siena_mcdi_detach(efx);
34362306a36Sopenharmony_ci	efx_siena_mcdi_fini(efx);
34462306a36Sopenharmony_cifail1:
34562306a36Sopenharmony_ci	kfree(efx->nic_data);
34662306a36Sopenharmony_ci	return rc;
34762306a36Sopenharmony_ci}
34862306a36Sopenharmony_ci
34962306a36Sopenharmony_cistatic int siena_rx_pull_rss_config(struct efx_nic *efx)
35062306a36Sopenharmony_ci{
35162306a36Sopenharmony_ci	efx_oword_t temp;
35262306a36Sopenharmony_ci
35362306a36Sopenharmony_ci	/* Read from IPv6 RSS key as that's longer (the IPv4 key is just the
35462306a36Sopenharmony_ci	 * first 128 bits of the same key, assuming it's been set by
35562306a36Sopenharmony_ci	 * siena_rx_push_rss_config, below)
35662306a36Sopenharmony_ci	 */
35762306a36Sopenharmony_ci	efx_reado(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
35862306a36Sopenharmony_ci	memcpy(efx->rss_context.rx_hash_key, &temp, sizeof(temp));
35962306a36Sopenharmony_ci	efx_reado(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
36062306a36Sopenharmony_ci	memcpy(efx->rss_context.rx_hash_key + sizeof(temp), &temp, sizeof(temp));
36162306a36Sopenharmony_ci	efx_reado(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);
36262306a36Sopenharmony_ci	memcpy(efx->rss_context.rx_hash_key + 2 * sizeof(temp), &temp,
36362306a36Sopenharmony_ci	       FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
36462306a36Sopenharmony_ci	efx_farch_rx_pull_indir_table(efx);
36562306a36Sopenharmony_ci	return 0;
36662306a36Sopenharmony_ci}
36762306a36Sopenharmony_ci
36862306a36Sopenharmony_cistatic int siena_rx_push_rss_config(struct efx_nic *efx, bool user,
36962306a36Sopenharmony_ci				    const u32 *rx_indir_table, const u8 *key)
37062306a36Sopenharmony_ci{
37162306a36Sopenharmony_ci	efx_oword_t temp;
37262306a36Sopenharmony_ci
37362306a36Sopenharmony_ci	/* Set hash key for IPv4 */
37462306a36Sopenharmony_ci	if (key)
37562306a36Sopenharmony_ci		memcpy(efx->rss_context.rx_hash_key, key, sizeof(temp));
37662306a36Sopenharmony_ci	memcpy(&temp, efx->rss_context.rx_hash_key, sizeof(temp));
37762306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);
37862306a36Sopenharmony_ci
37962306a36Sopenharmony_ci	/* Enable IPv6 RSS */
38062306a36Sopenharmony_ci	BUILD_BUG_ON(sizeof(efx->rss_context.rx_hash_key) <
38162306a36Sopenharmony_ci		     2 * sizeof(temp) + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8 ||
38262306a36Sopenharmony_ci		     FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN != 0);
38362306a36Sopenharmony_ci	memcpy(&temp, efx->rss_context.rx_hash_key, sizeof(temp));
38462306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
38562306a36Sopenharmony_ci	memcpy(&temp, efx->rss_context.rx_hash_key + sizeof(temp), sizeof(temp));
38662306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
38762306a36Sopenharmony_ci	EFX_POPULATE_OWORD_2(temp, FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1,
38862306a36Sopenharmony_ci			     FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, 1);
38962306a36Sopenharmony_ci	memcpy(&temp, efx->rss_context.rx_hash_key + 2 * sizeof(temp),
39062306a36Sopenharmony_ci	       FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
39162306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);
39262306a36Sopenharmony_ci
39362306a36Sopenharmony_ci	memcpy(efx->rss_context.rx_indir_table, rx_indir_table,
39462306a36Sopenharmony_ci	       sizeof(efx->rss_context.rx_indir_table));
39562306a36Sopenharmony_ci	efx_farch_rx_push_indir_table(efx);
39662306a36Sopenharmony_ci
39762306a36Sopenharmony_ci	return 0;
39862306a36Sopenharmony_ci}
39962306a36Sopenharmony_ci
40062306a36Sopenharmony_ci/* This call performs hardware-specific global initialisation, such as
40162306a36Sopenharmony_ci * defining the descriptor cache sizes and number of RSS channels.
40262306a36Sopenharmony_ci * It does not set up any buffers, descriptor rings or event queues.
40362306a36Sopenharmony_ci */
40462306a36Sopenharmony_cistatic int siena_init_nic(struct efx_nic *efx)
40562306a36Sopenharmony_ci{
40662306a36Sopenharmony_ci	efx_oword_t temp;
40762306a36Sopenharmony_ci	int rc;
40862306a36Sopenharmony_ci
40962306a36Sopenharmony_ci	/* Recover from a failed assertion post-reset */
41062306a36Sopenharmony_ci	rc = efx_siena_mcdi_handle_assertion(efx);
41162306a36Sopenharmony_ci	if (rc)
41262306a36Sopenharmony_ci		return rc;
41362306a36Sopenharmony_ci
41462306a36Sopenharmony_ci	/* Squash TX of packets of 16 bytes or less */
41562306a36Sopenharmony_ci	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
41662306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
41762306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
41862306a36Sopenharmony_ci
41962306a36Sopenharmony_ci	/* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
42062306a36Sopenharmony_ci	 * descriptors (which is bad).
42162306a36Sopenharmony_ci	 */
42262306a36Sopenharmony_ci	efx_reado(efx, &temp, FR_AZ_TX_CFG);
42362306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_NO_EOP_DISC_EN, 0);
42462306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_CZ_TX_FILTER_EN_BIT, 1);
42562306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_AZ_TX_CFG);
42662306a36Sopenharmony_ci
42762306a36Sopenharmony_ci	efx_reado(efx, &temp, FR_AZ_RX_CFG);
42862306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_DESC_PUSH_EN, 0);
42962306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_INGR_EN, 1);
43062306a36Sopenharmony_ci	/* Enable hash insertion. This is broken for the 'Falcon' hash
43162306a36Sopenharmony_ci	 * if IPv6 hashing is also enabled, so also select Toeplitz
43262306a36Sopenharmony_ci	 * TCP/IPv4 and IPv4 hashes. */
43362306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_INSRT_HDR, 1);
43462306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_ALG, 1);
43562306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_IP_HASH, 1);
43662306a36Sopenharmony_ci	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_USR_BUF_SIZE,
43762306a36Sopenharmony_ci			    EFX_RX_USR_BUF_SIZE >> 5);
43862306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_AZ_RX_CFG);
43962306a36Sopenharmony_ci
44062306a36Sopenharmony_ci	siena_rx_push_rss_config(efx, false, efx->rss_context.rx_indir_table, NULL);
44162306a36Sopenharmony_ci	efx->rss_context.context_id = 0; /* indicates RSS is active */
44262306a36Sopenharmony_ci
44362306a36Sopenharmony_ci	/* Enable event logging */
44462306a36Sopenharmony_ci	rc = efx_siena_mcdi_log_ctrl(efx, true, false, 0);
44562306a36Sopenharmony_ci	if (rc)
44662306a36Sopenharmony_ci		return rc;
44762306a36Sopenharmony_ci
44862306a36Sopenharmony_ci	/* Set destination of both TX and RX Flush events */
44962306a36Sopenharmony_ci	EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
45062306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_BZ_DP_CTRL);
45162306a36Sopenharmony_ci
45262306a36Sopenharmony_ci	EFX_POPULATE_OWORD_1(temp, FRF_CZ_USREV_DIS, 1);
45362306a36Sopenharmony_ci	efx_writeo(efx, &temp, FR_CZ_USR_EV_CFG);
45462306a36Sopenharmony_ci
45562306a36Sopenharmony_ci	efx_farch_init_common(efx);
45662306a36Sopenharmony_ci	return 0;
45762306a36Sopenharmony_ci}
45862306a36Sopenharmony_ci
45962306a36Sopenharmony_cistatic void siena_remove_nic(struct efx_nic *efx)
46062306a36Sopenharmony_ci{
46162306a36Sopenharmony_ci	efx_siena_mcdi_mon_remove(efx);
46262306a36Sopenharmony_ci
46362306a36Sopenharmony_ci	efx_siena_free_buffer(efx, &efx->irq_status);
46462306a36Sopenharmony_ci
46562306a36Sopenharmony_ci	efx_siena_mcdi_reset(efx, RESET_TYPE_ALL);
46662306a36Sopenharmony_ci
46762306a36Sopenharmony_ci	efx_siena_mcdi_detach(efx);
46862306a36Sopenharmony_ci	efx_siena_mcdi_fini(efx);
46962306a36Sopenharmony_ci
47062306a36Sopenharmony_ci	/* Tear down the private nic state */
47162306a36Sopenharmony_ci	kfree(efx->nic_data);
47262306a36Sopenharmony_ci	efx->nic_data = NULL;
47362306a36Sopenharmony_ci}
47462306a36Sopenharmony_ci
47562306a36Sopenharmony_ci#define SIENA_DMA_STAT(ext_name, mcdi_name)			\
47662306a36Sopenharmony_ci	[SIENA_STAT_ ## ext_name] =				\
47762306a36Sopenharmony_ci	{ #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
47862306a36Sopenharmony_ci#define SIENA_OTHER_STAT(ext_name)				\
47962306a36Sopenharmony_ci	[SIENA_STAT_ ## ext_name] = { #ext_name, 0, 0 }
48062306a36Sopenharmony_ci#define GENERIC_SW_STAT(ext_name)				\
48162306a36Sopenharmony_ci	[GENERIC_STAT_ ## ext_name] = { #ext_name, 0, 0 }
48262306a36Sopenharmony_ci
48362306a36Sopenharmony_cistatic const struct efx_hw_stat_desc siena_stat_desc[SIENA_STAT_COUNT] = {
48462306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_bytes, TX_BYTES),
48562306a36Sopenharmony_ci	SIENA_OTHER_STAT(tx_good_bytes),
48662306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_bad_bytes, TX_BAD_BYTES),
48762306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_packets, TX_PKTS),
48862306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_bad, TX_BAD_FCS_PKTS),
48962306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_pause, TX_PAUSE_PKTS),
49062306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_control, TX_CONTROL_PKTS),
49162306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_unicast, TX_UNICAST_PKTS),
49262306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_multicast, TX_MULTICAST_PKTS),
49362306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_broadcast, TX_BROADCAST_PKTS),
49462306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_lt64, TX_LT64_PKTS),
49562306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_64, TX_64_PKTS),
49662306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_65_to_127, TX_65_TO_127_PKTS),
49762306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_128_to_255, TX_128_TO_255_PKTS),
49862306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_256_to_511, TX_256_TO_511_PKTS),
49962306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_512_to_1023, TX_512_TO_1023_PKTS),
50062306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_1024_to_15xx, TX_1024_TO_15XX_PKTS),
50162306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS),
50262306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_gtjumbo, TX_GTJUMBO_PKTS),
50362306a36Sopenharmony_ci	SIENA_OTHER_STAT(tx_collision),
50462306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_single_collision, TX_SINGLE_COLLISION_PKTS),
50562306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_multiple_collision, TX_MULTIPLE_COLLISION_PKTS),
50662306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_excessive_collision, TX_EXCESSIVE_COLLISION_PKTS),
50762306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_deferred, TX_DEFERRED_PKTS),
50862306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_late_collision, TX_LATE_COLLISION_PKTS),
50962306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_excessive_deferred, TX_EXCESSIVE_DEFERRED_PKTS),
51062306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_non_tcpudp, TX_NON_TCPUDP_PKTS),
51162306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_mac_src_error, TX_MAC_SRC_ERR_PKTS),
51262306a36Sopenharmony_ci	SIENA_DMA_STAT(tx_ip_src_error, TX_IP_SRC_ERR_PKTS),
51362306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_bytes, RX_BYTES),
51462306a36Sopenharmony_ci	SIENA_OTHER_STAT(rx_good_bytes),
51562306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_bad_bytes, RX_BAD_BYTES),
51662306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_packets, RX_PKTS),
51762306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_good, RX_GOOD_PKTS),
51862306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_bad, RX_BAD_FCS_PKTS),
51962306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_pause, RX_PAUSE_PKTS),
52062306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_control, RX_CONTROL_PKTS),
52162306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_unicast, RX_UNICAST_PKTS),
52262306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_multicast, RX_MULTICAST_PKTS),
52362306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_broadcast, RX_BROADCAST_PKTS),
52462306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_lt64, RX_UNDERSIZE_PKTS),
52562306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_64, RX_64_PKTS),
52662306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_65_to_127, RX_65_TO_127_PKTS),
52762306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_128_to_255, RX_128_TO_255_PKTS),
52862306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_256_to_511, RX_256_TO_511_PKTS),
52962306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_512_to_1023, RX_512_TO_1023_PKTS),
53062306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_1024_to_15xx, RX_1024_TO_15XX_PKTS),
53162306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS),
53262306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_gtjumbo, RX_GTJUMBO_PKTS),
53362306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_bad_gtjumbo, RX_JABBER_PKTS),
53462306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_overflow, RX_OVERFLOW_PKTS),
53562306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_false_carrier, RX_FALSE_CARRIER_PKTS),
53662306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_symbol_error, RX_SYMBOL_ERROR_PKTS),
53762306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_align_error, RX_ALIGN_ERROR_PKTS),
53862306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_length_error, RX_LENGTH_ERROR_PKTS),
53962306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS),
54062306a36Sopenharmony_ci	SIENA_DMA_STAT(rx_nodesc_drop_cnt, RX_NODESC_DROPS),
54162306a36Sopenharmony_ci	GENERIC_SW_STAT(rx_nodesc_trunc),
54262306a36Sopenharmony_ci	GENERIC_SW_STAT(rx_noskb_drops),
54362306a36Sopenharmony_ci};
54462306a36Sopenharmony_cistatic const unsigned long siena_stat_mask[] = {
54562306a36Sopenharmony_ci	[0 ... BITS_TO_LONGS(SIENA_STAT_COUNT) - 1] = ~0UL,
54662306a36Sopenharmony_ci};
54762306a36Sopenharmony_ci
54862306a36Sopenharmony_cistatic size_t siena_describe_nic_stats(struct efx_nic *efx, u8 *names)
54962306a36Sopenharmony_ci{
55062306a36Sopenharmony_ci	return efx_siena_describe_stats(siena_stat_desc, SIENA_STAT_COUNT,
55162306a36Sopenharmony_ci					siena_stat_mask, names);
55262306a36Sopenharmony_ci}
55362306a36Sopenharmony_ci
55462306a36Sopenharmony_cistatic int siena_try_update_nic_stats(struct efx_nic *efx)
55562306a36Sopenharmony_ci{
55662306a36Sopenharmony_ci	struct siena_nic_data *nic_data = efx->nic_data;
55762306a36Sopenharmony_ci	u64 *stats = nic_data->stats;
55862306a36Sopenharmony_ci	__le64 *dma_stats;
55962306a36Sopenharmony_ci	__le64 generation_start, generation_end;
56062306a36Sopenharmony_ci
56162306a36Sopenharmony_ci	dma_stats = efx->stats_buffer.addr;
56262306a36Sopenharmony_ci
56362306a36Sopenharmony_ci	generation_end = dma_stats[efx->num_mac_stats - 1];
56462306a36Sopenharmony_ci	if (generation_end == EFX_MC_STATS_GENERATION_INVALID)
56562306a36Sopenharmony_ci		return 0;
56662306a36Sopenharmony_ci	rmb();
56762306a36Sopenharmony_ci	efx_siena_update_stats(siena_stat_desc, SIENA_STAT_COUNT, siena_stat_mask,
56862306a36Sopenharmony_ci			       stats, efx->stats_buffer.addr, false);
56962306a36Sopenharmony_ci	rmb();
57062306a36Sopenharmony_ci	generation_start = dma_stats[MC_CMD_MAC_GENERATION_START];
57162306a36Sopenharmony_ci	if (generation_end != generation_start)
57262306a36Sopenharmony_ci		return -EAGAIN;
57362306a36Sopenharmony_ci
57462306a36Sopenharmony_ci	/* Update derived statistics */
57562306a36Sopenharmony_ci	efx_siena_fix_nodesc_drop_stat(efx,
57662306a36Sopenharmony_ci				       &stats[SIENA_STAT_rx_nodesc_drop_cnt]);
57762306a36Sopenharmony_ci	efx_update_diff_stat(&stats[SIENA_STAT_tx_good_bytes],
57862306a36Sopenharmony_ci			     stats[SIENA_STAT_tx_bytes] -
57962306a36Sopenharmony_ci			     stats[SIENA_STAT_tx_bad_bytes]);
58062306a36Sopenharmony_ci	stats[SIENA_STAT_tx_collision] =
58162306a36Sopenharmony_ci		stats[SIENA_STAT_tx_single_collision] +
58262306a36Sopenharmony_ci		stats[SIENA_STAT_tx_multiple_collision] +
58362306a36Sopenharmony_ci		stats[SIENA_STAT_tx_excessive_collision] +
58462306a36Sopenharmony_ci		stats[SIENA_STAT_tx_late_collision];
58562306a36Sopenharmony_ci	efx_update_diff_stat(&stats[SIENA_STAT_rx_good_bytes],
58662306a36Sopenharmony_ci			     stats[SIENA_STAT_rx_bytes] -
58762306a36Sopenharmony_ci			     stats[SIENA_STAT_rx_bad_bytes]);
58862306a36Sopenharmony_ci	efx_siena_update_sw_stats(efx, stats);
58962306a36Sopenharmony_ci	return 0;
59062306a36Sopenharmony_ci}
59162306a36Sopenharmony_ci
59262306a36Sopenharmony_cistatic size_t siena_update_nic_stats(struct efx_nic *efx, u64 *full_stats,
59362306a36Sopenharmony_ci				     struct rtnl_link_stats64 *core_stats)
59462306a36Sopenharmony_ci{
59562306a36Sopenharmony_ci	struct siena_nic_data *nic_data = efx->nic_data;
59662306a36Sopenharmony_ci	u64 *stats = nic_data->stats;
59762306a36Sopenharmony_ci	int retry;
59862306a36Sopenharmony_ci
59962306a36Sopenharmony_ci	/* If we're unlucky enough to read statistics wduring the DMA, wait
60062306a36Sopenharmony_ci	 * up to 10ms for it to finish (typically takes <500us) */
60162306a36Sopenharmony_ci	for (retry = 0; retry < 100; ++retry) {
60262306a36Sopenharmony_ci		if (siena_try_update_nic_stats(efx) == 0)
60362306a36Sopenharmony_ci			break;
60462306a36Sopenharmony_ci		udelay(100);
60562306a36Sopenharmony_ci	}
60662306a36Sopenharmony_ci
60762306a36Sopenharmony_ci	if (full_stats)
60862306a36Sopenharmony_ci		memcpy(full_stats, stats, sizeof(u64) * SIENA_STAT_COUNT);
60962306a36Sopenharmony_ci
61062306a36Sopenharmony_ci	if (core_stats) {
61162306a36Sopenharmony_ci		core_stats->rx_packets = stats[SIENA_STAT_rx_packets];
61262306a36Sopenharmony_ci		core_stats->tx_packets = stats[SIENA_STAT_tx_packets];
61362306a36Sopenharmony_ci		core_stats->rx_bytes = stats[SIENA_STAT_rx_bytes];
61462306a36Sopenharmony_ci		core_stats->tx_bytes = stats[SIENA_STAT_tx_bytes];
61562306a36Sopenharmony_ci		core_stats->rx_dropped = stats[SIENA_STAT_rx_nodesc_drop_cnt] +
61662306a36Sopenharmony_ci					 stats[GENERIC_STAT_rx_nodesc_trunc] +
61762306a36Sopenharmony_ci					 stats[GENERIC_STAT_rx_noskb_drops];
61862306a36Sopenharmony_ci		core_stats->multicast = stats[SIENA_STAT_rx_multicast];
61962306a36Sopenharmony_ci		core_stats->collisions = stats[SIENA_STAT_tx_collision];
62062306a36Sopenharmony_ci		core_stats->rx_length_errors =
62162306a36Sopenharmony_ci			stats[SIENA_STAT_rx_gtjumbo] +
62262306a36Sopenharmony_ci			stats[SIENA_STAT_rx_length_error];
62362306a36Sopenharmony_ci		core_stats->rx_crc_errors = stats[SIENA_STAT_rx_bad];
62462306a36Sopenharmony_ci		core_stats->rx_frame_errors = stats[SIENA_STAT_rx_align_error];
62562306a36Sopenharmony_ci		core_stats->rx_fifo_errors = stats[SIENA_STAT_rx_overflow];
62662306a36Sopenharmony_ci		core_stats->tx_window_errors =
62762306a36Sopenharmony_ci			stats[SIENA_STAT_tx_late_collision];
62862306a36Sopenharmony_ci
62962306a36Sopenharmony_ci		core_stats->rx_errors = (core_stats->rx_length_errors +
63062306a36Sopenharmony_ci					 core_stats->rx_crc_errors +
63162306a36Sopenharmony_ci					 core_stats->rx_frame_errors +
63262306a36Sopenharmony_ci					 stats[SIENA_STAT_rx_symbol_error]);
63362306a36Sopenharmony_ci		core_stats->tx_errors = (core_stats->tx_window_errors +
63462306a36Sopenharmony_ci					 stats[SIENA_STAT_tx_bad]);
63562306a36Sopenharmony_ci	}
63662306a36Sopenharmony_ci
63762306a36Sopenharmony_ci	return SIENA_STAT_COUNT;
63862306a36Sopenharmony_ci}
63962306a36Sopenharmony_ci
64062306a36Sopenharmony_cistatic int siena_mac_reconfigure(struct efx_nic *efx, bool mtu_only __always_unused)
64162306a36Sopenharmony_ci{
64262306a36Sopenharmony_ci	MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_MCAST_HASH_IN_LEN);
64362306a36Sopenharmony_ci	int rc;
64462306a36Sopenharmony_ci
64562306a36Sopenharmony_ci	BUILD_BUG_ON(MC_CMD_SET_MCAST_HASH_IN_LEN !=
64662306a36Sopenharmony_ci		     MC_CMD_SET_MCAST_HASH_IN_HASH0_OFST +
64762306a36Sopenharmony_ci		     sizeof(efx->multicast_hash));
64862306a36Sopenharmony_ci
64962306a36Sopenharmony_ci	efx_farch_filter_sync_rx_mode(efx);
65062306a36Sopenharmony_ci
65162306a36Sopenharmony_ci	WARN_ON(!mutex_is_locked(&efx->mac_lock));
65262306a36Sopenharmony_ci
65362306a36Sopenharmony_ci	rc = efx_siena_mcdi_set_mac(efx);
65462306a36Sopenharmony_ci	if (rc != 0)
65562306a36Sopenharmony_ci		return rc;
65662306a36Sopenharmony_ci
65762306a36Sopenharmony_ci	memcpy(MCDI_PTR(inbuf, SET_MCAST_HASH_IN_HASH0),
65862306a36Sopenharmony_ci	       efx->multicast_hash.byte, sizeof(efx->multicast_hash));
65962306a36Sopenharmony_ci	return efx_siena_mcdi_rpc(efx, MC_CMD_SET_MCAST_HASH,
66062306a36Sopenharmony_ci				  inbuf, sizeof(inbuf), NULL, 0, NULL);
66162306a36Sopenharmony_ci}
66262306a36Sopenharmony_ci
66362306a36Sopenharmony_ci/**************************************************************************
66462306a36Sopenharmony_ci *
66562306a36Sopenharmony_ci * Wake on LAN
66662306a36Sopenharmony_ci *
66762306a36Sopenharmony_ci **************************************************************************
66862306a36Sopenharmony_ci */
66962306a36Sopenharmony_ci
67062306a36Sopenharmony_cistatic void siena_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol)
67162306a36Sopenharmony_ci{
67262306a36Sopenharmony_ci	struct siena_nic_data *nic_data = efx->nic_data;
67362306a36Sopenharmony_ci
67462306a36Sopenharmony_ci	wol->supported = WAKE_MAGIC;
67562306a36Sopenharmony_ci	if (nic_data->wol_filter_id != -1)
67662306a36Sopenharmony_ci		wol->wolopts = WAKE_MAGIC;
67762306a36Sopenharmony_ci	else
67862306a36Sopenharmony_ci		wol->wolopts = 0;
67962306a36Sopenharmony_ci	memset(&wol->sopass, 0, sizeof(wol->sopass));
68062306a36Sopenharmony_ci}
68162306a36Sopenharmony_ci
68262306a36Sopenharmony_ci
68362306a36Sopenharmony_cistatic int siena_set_wol(struct efx_nic *efx, u32 type)
68462306a36Sopenharmony_ci{
68562306a36Sopenharmony_ci	struct siena_nic_data *nic_data = efx->nic_data;
68662306a36Sopenharmony_ci	int rc;
68762306a36Sopenharmony_ci
68862306a36Sopenharmony_ci	if (type & ~WAKE_MAGIC)
68962306a36Sopenharmony_ci		return -EINVAL;
69062306a36Sopenharmony_ci
69162306a36Sopenharmony_ci	if (type & WAKE_MAGIC) {
69262306a36Sopenharmony_ci		if (nic_data->wol_filter_id != -1)
69362306a36Sopenharmony_ci			efx_siena_mcdi_wol_filter_remove(efx,
69462306a36Sopenharmony_ci						nic_data->wol_filter_id);
69562306a36Sopenharmony_ci		rc = efx_siena_mcdi_wol_filter_set_magic(efx,
69662306a36Sopenharmony_ci						efx->net_dev->dev_addr,
69762306a36Sopenharmony_ci						&nic_data->wol_filter_id);
69862306a36Sopenharmony_ci		if (rc)
69962306a36Sopenharmony_ci			goto fail;
70062306a36Sopenharmony_ci
70162306a36Sopenharmony_ci		pci_wake_from_d3(efx->pci_dev, true);
70262306a36Sopenharmony_ci	} else {
70362306a36Sopenharmony_ci		rc = efx_siena_mcdi_wol_filter_reset(efx);
70462306a36Sopenharmony_ci		nic_data->wol_filter_id = -1;
70562306a36Sopenharmony_ci		pci_wake_from_d3(efx->pci_dev, false);
70662306a36Sopenharmony_ci		if (rc)
70762306a36Sopenharmony_ci			goto fail;
70862306a36Sopenharmony_ci	}
70962306a36Sopenharmony_ci
71062306a36Sopenharmony_ci	return 0;
71162306a36Sopenharmony_ci fail:
71262306a36Sopenharmony_ci	netif_err(efx, hw, efx->net_dev, "%s failed: type=%d rc=%d\n",
71362306a36Sopenharmony_ci		  __func__, type, rc);
71462306a36Sopenharmony_ci	return rc;
71562306a36Sopenharmony_ci}
71662306a36Sopenharmony_ci
71762306a36Sopenharmony_ci
71862306a36Sopenharmony_cistatic void siena_init_wol(struct efx_nic *efx)
71962306a36Sopenharmony_ci{
72062306a36Sopenharmony_ci	struct siena_nic_data *nic_data = efx->nic_data;
72162306a36Sopenharmony_ci	int rc;
72262306a36Sopenharmony_ci
72362306a36Sopenharmony_ci	rc = efx_siena_mcdi_wol_filter_get_magic(efx, &nic_data->wol_filter_id);
72462306a36Sopenharmony_ci
72562306a36Sopenharmony_ci	if (rc != 0) {
72662306a36Sopenharmony_ci		/* If it failed, attempt to get into a synchronised
72762306a36Sopenharmony_ci		 * state with MC by resetting any set WoL filters */
72862306a36Sopenharmony_ci		efx_siena_mcdi_wol_filter_reset(efx);
72962306a36Sopenharmony_ci		nic_data->wol_filter_id = -1;
73062306a36Sopenharmony_ci	} else if (nic_data->wol_filter_id != -1) {
73162306a36Sopenharmony_ci		pci_wake_from_d3(efx->pci_dev, true);
73262306a36Sopenharmony_ci	}
73362306a36Sopenharmony_ci}
73462306a36Sopenharmony_ci
73562306a36Sopenharmony_ci/**************************************************************************
73662306a36Sopenharmony_ci *
73762306a36Sopenharmony_ci * MCDI
73862306a36Sopenharmony_ci *
73962306a36Sopenharmony_ci **************************************************************************
74062306a36Sopenharmony_ci */
74162306a36Sopenharmony_ci
74262306a36Sopenharmony_ci#define MCDI_PDU(efx)							\
74362306a36Sopenharmony_ci	(efx_port_num(efx) ? MC_SMEM_P1_PDU_OFST : MC_SMEM_P0_PDU_OFST)
74462306a36Sopenharmony_ci#define MCDI_DOORBELL(efx)						\
74562306a36Sopenharmony_ci	(efx_port_num(efx) ? MC_SMEM_P1_DOORBELL_OFST : MC_SMEM_P0_DOORBELL_OFST)
74662306a36Sopenharmony_ci#define MCDI_STATUS(efx)						\
74762306a36Sopenharmony_ci	(efx_port_num(efx) ? MC_SMEM_P1_STATUS_OFST : MC_SMEM_P0_STATUS_OFST)
74862306a36Sopenharmony_ci
74962306a36Sopenharmony_cistatic void siena_mcdi_request(struct efx_nic *efx,
75062306a36Sopenharmony_ci			       const efx_dword_t *hdr, size_t hdr_len,
75162306a36Sopenharmony_ci			       const efx_dword_t *sdu, size_t sdu_len)
75262306a36Sopenharmony_ci{
75362306a36Sopenharmony_ci	unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
75462306a36Sopenharmony_ci	unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx);
75562306a36Sopenharmony_ci	unsigned int i;
75662306a36Sopenharmony_ci	unsigned int inlen_dw = DIV_ROUND_UP(sdu_len, 4);
75762306a36Sopenharmony_ci
75862306a36Sopenharmony_ci	EFX_WARN_ON_PARANOID(hdr_len != 4);
75962306a36Sopenharmony_ci
76062306a36Sopenharmony_ci	efx_writed(efx, hdr, pdu);
76162306a36Sopenharmony_ci
76262306a36Sopenharmony_ci	for (i = 0; i < inlen_dw; i++)
76362306a36Sopenharmony_ci		efx_writed(efx, &sdu[i], pdu + hdr_len + 4 * i);
76462306a36Sopenharmony_ci
76562306a36Sopenharmony_ci	/* Ensure the request is written out before the doorbell */
76662306a36Sopenharmony_ci	wmb();
76762306a36Sopenharmony_ci
76862306a36Sopenharmony_ci	/* ring the doorbell with a distinctive value */
76962306a36Sopenharmony_ci	_efx_writed(efx, (__force __le32) 0x45789abc, doorbell);
77062306a36Sopenharmony_ci}
77162306a36Sopenharmony_ci
77262306a36Sopenharmony_cistatic bool siena_mcdi_poll_response(struct efx_nic *efx)
77362306a36Sopenharmony_ci{
77462306a36Sopenharmony_ci	unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
77562306a36Sopenharmony_ci	efx_dword_t hdr;
77662306a36Sopenharmony_ci
77762306a36Sopenharmony_ci	efx_readd(efx, &hdr, pdu);
77862306a36Sopenharmony_ci
77962306a36Sopenharmony_ci	/* All 1's indicates that shared memory is in reset (and is
78062306a36Sopenharmony_ci	 * not a valid hdr). Wait for it to come out reset before
78162306a36Sopenharmony_ci	 * completing the command
78262306a36Sopenharmony_ci	 */
78362306a36Sopenharmony_ci	return EFX_DWORD_FIELD(hdr, EFX_DWORD_0) != 0xffffffff &&
78462306a36Sopenharmony_ci		EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE);
78562306a36Sopenharmony_ci}
78662306a36Sopenharmony_ci
78762306a36Sopenharmony_cistatic void siena_mcdi_read_response(struct efx_nic *efx, efx_dword_t *outbuf,
78862306a36Sopenharmony_ci				     size_t offset, size_t outlen)
78962306a36Sopenharmony_ci{
79062306a36Sopenharmony_ci	unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
79162306a36Sopenharmony_ci	unsigned int outlen_dw = DIV_ROUND_UP(outlen, 4);
79262306a36Sopenharmony_ci	int i;
79362306a36Sopenharmony_ci
79462306a36Sopenharmony_ci	for (i = 0; i < outlen_dw; i++)
79562306a36Sopenharmony_ci		efx_readd(efx, &outbuf[i], pdu + offset + 4 * i);
79662306a36Sopenharmony_ci}
79762306a36Sopenharmony_ci
79862306a36Sopenharmony_cistatic int siena_mcdi_poll_reboot(struct efx_nic *efx)
79962306a36Sopenharmony_ci{
80062306a36Sopenharmony_ci	struct siena_nic_data *nic_data = efx->nic_data;
80162306a36Sopenharmony_ci	unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_STATUS(efx);
80262306a36Sopenharmony_ci	efx_dword_t reg;
80362306a36Sopenharmony_ci	u32 value;
80462306a36Sopenharmony_ci
80562306a36Sopenharmony_ci	efx_readd(efx, &reg, addr);
80662306a36Sopenharmony_ci	value = EFX_DWORD_FIELD(reg, EFX_DWORD_0);
80762306a36Sopenharmony_ci
80862306a36Sopenharmony_ci	if (value == 0)
80962306a36Sopenharmony_ci		return 0;
81062306a36Sopenharmony_ci
81162306a36Sopenharmony_ci	EFX_ZERO_DWORD(reg);
81262306a36Sopenharmony_ci	efx_writed(efx, &reg, addr);
81362306a36Sopenharmony_ci
81462306a36Sopenharmony_ci	/* MAC statistics have been cleared on the NIC; clear the local
81562306a36Sopenharmony_ci	 * copies that we update with efx_update_diff_stat().
81662306a36Sopenharmony_ci	 */
81762306a36Sopenharmony_ci	nic_data->stats[SIENA_STAT_tx_good_bytes] = 0;
81862306a36Sopenharmony_ci	nic_data->stats[SIENA_STAT_rx_good_bytes] = 0;
81962306a36Sopenharmony_ci
82062306a36Sopenharmony_ci	if (value == MC_STATUS_DWORD_ASSERT)
82162306a36Sopenharmony_ci		return -EINTR;
82262306a36Sopenharmony_ci	else
82362306a36Sopenharmony_ci		return -EIO;
82462306a36Sopenharmony_ci}
82562306a36Sopenharmony_ci
82662306a36Sopenharmony_ci/**************************************************************************
82762306a36Sopenharmony_ci *
82862306a36Sopenharmony_ci * MTD
82962306a36Sopenharmony_ci *
83062306a36Sopenharmony_ci **************************************************************************
83162306a36Sopenharmony_ci */
83262306a36Sopenharmony_ci
83362306a36Sopenharmony_ci#ifdef CONFIG_SFC_SIENA_MTD
83462306a36Sopenharmony_ci
83562306a36Sopenharmony_cistruct siena_nvram_type_info {
83662306a36Sopenharmony_ci	int port;
83762306a36Sopenharmony_ci	const char *name;
83862306a36Sopenharmony_ci};
83962306a36Sopenharmony_ci
84062306a36Sopenharmony_cistatic const struct siena_nvram_type_info siena_nvram_types[] = {
84162306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO]	= { 0, "sfc_dummy_phy" },
84262306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_MC_FW]		= { 0, "sfc_mcfw" },
84362306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_MC_FW_BACKUP]	= { 0, "sfc_mcfw_backup" },
84462306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT0]	= { 0, "sfc_static_cfg" },
84562306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT1]	= { 1, "sfc_static_cfg" },
84662306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0]	= { 0, "sfc_dynamic_cfg" },
84762306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1]	= { 1, "sfc_dynamic_cfg" },
84862306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_EXP_ROM]		= { 0, "sfc_exp_rom" },
84962306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT0]	= { 0, "sfc_exp_rom_cfg" },
85062306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT1]	= { 1, "sfc_exp_rom_cfg" },
85162306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_PHY_PORT0]		= { 0, "sfc_phy_fw" },
85262306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_PHY_PORT1]		= { 1, "sfc_phy_fw" },
85362306a36Sopenharmony_ci	[MC_CMD_NVRAM_TYPE_FPGA]		= { 0, "sfc_fpga" },
85462306a36Sopenharmony_ci};
85562306a36Sopenharmony_ci
85662306a36Sopenharmony_cistatic int siena_mtd_probe_partition(struct efx_nic *efx,
85762306a36Sopenharmony_ci				     struct efx_mcdi_mtd_partition *part,
85862306a36Sopenharmony_ci				     unsigned int type)
85962306a36Sopenharmony_ci{
86062306a36Sopenharmony_ci	const struct siena_nvram_type_info *info;
86162306a36Sopenharmony_ci	size_t size, erase_size;
86262306a36Sopenharmony_ci	bool protected;
86362306a36Sopenharmony_ci	int rc;
86462306a36Sopenharmony_ci
86562306a36Sopenharmony_ci	if (type >= ARRAY_SIZE(siena_nvram_types) ||
86662306a36Sopenharmony_ci	    siena_nvram_types[type].name == NULL)
86762306a36Sopenharmony_ci		return -ENODEV;
86862306a36Sopenharmony_ci
86962306a36Sopenharmony_ci	info = &siena_nvram_types[type];
87062306a36Sopenharmony_ci
87162306a36Sopenharmony_ci	if (info->port != efx_port_num(efx))
87262306a36Sopenharmony_ci		return -ENODEV;
87362306a36Sopenharmony_ci
87462306a36Sopenharmony_ci	rc = efx_siena_mcdi_nvram_info(efx, type, &size, &erase_size,
87562306a36Sopenharmony_ci				       &protected);
87662306a36Sopenharmony_ci	if (rc)
87762306a36Sopenharmony_ci		return rc;
87862306a36Sopenharmony_ci	if (protected)
87962306a36Sopenharmony_ci		return -ENODEV; /* hide it */
88062306a36Sopenharmony_ci
88162306a36Sopenharmony_ci	part->nvram_type = type;
88262306a36Sopenharmony_ci	part->common.dev_type_name = "Siena NVRAM manager";
88362306a36Sopenharmony_ci	part->common.type_name = info->name;
88462306a36Sopenharmony_ci
88562306a36Sopenharmony_ci	part->common.mtd.type = MTD_NORFLASH;
88662306a36Sopenharmony_ci	part->common.mtd.flags = MTD_CAP_NORFLASH;
88762306a36Sopenharmony_ci	part->common.mtd.size = size;
88862306a36Sopenharmony_ci	part->common.mtd.erasesize = erase_size;
88962306a36Sopenharmony_ci
89062306a36Sopenharmony_ci	return 0;
89162306a36Sopenharmony_ci}
89262306a36Sopenharmony_ci
89362306a36Sopenharmony_cistatic int siena_mtd_get_fw_subtypes(struct efx_nic *efx,
89462306a36Sopenharmony_ci				     struct efx_mcdi_mtd_partition *parts,
89562306a36Sopenharmony_ci				     size_t n_parts)
89662306a36Sopenharmony_ci{
89762306a36Sopenharmony_ci	uint16_t fw_subtype_list[
89862306a36Sopenharmony_ci		MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MAXNUM];
89962306a36Sopenharmony_ci	size_t i;
90062306a36Sopenharmony_ci	int rc;
90162306a36Sopenharmony_ci
90262306a36Sopenharmony_ci	rc = efx_siena_mcdi_get_board_cfg(efx, NULL, fw_subtype_list, NULL);
90362306a36Sopenharmony_ci	if (rc)
90462306a36Sopenharmony_ci		return rc;
90562306a36Sopenharmony_ci
90662306a36Sopenharmony_ci	for (i = 0; i < n_parts; i++)
90762306a36Sopenharmony_ci		parts[i].fw_subtype = fw_subtype_list[parts[i].nvram_type];
90862306a36Sopenharmony_ci
90962306a36Sopenharmony_ci	return 0;
91062306a36Sopenharmony_ci}
91162306a36Sopenharmony_ci
91262306a36Sopenharmony_cistatic int siena_mtd_probe(struct efx_nic *efx)
91362306a36Sopenharmony_ci{
91462306a36Sopenharmony_ci	struct efx_mcdi_mtd_partition *parts;
91562306a36Sopenharmony_ci	u32 nvram_types;
91662306a36Sopenharmony_ci	unsigned int type;
91762306a36Sopenharmony_ci	size_t n_parts;
91862306a36Sopenharmony_ci	int rc;
91962306a36Sopenharmony_ci
92062306a36Sopenharmony_ci	ASSERT_RTNL();
92162306a36Sopenharmony_ci
92262306a36Sopenharmony_ci	rc = efx_siena_mcdi_nvram_types(efx, &nvram_types);
92362306a36Sopenharmony_ci	if (rc)
92462306a36Sopenharmony_ci		return rc;
92562306a36Sopenharmony_ci
92662306a36Sopenharmony_ci	parts = kcalloc(hweight32(nvram_types), sizeof(*parts), GFP_KERNEL);
92762306a36Sopenharmony_ci	if (!parts)
92862306a36Sopenharmony_ci		return -ENOMEM;
92962306a36Sopenharmony_ci
93062306a36Sopenharmony_ci	type = 0;
93162306a36Sopenharmony_ci	n_parts = 0;
93262306a36Sopenharmony_ci
93362306a36Sopenharmony_ci	while (nvram_types != 0) {
93462306a36Sopenharmony_ci		if (nvram_types & 1) {
93562306a36Sopenharmony_ci			rc = siena_mtd_probe_partition(efx, &parts[n_parts],
93662306a36Sopenharmony_ci						       type);
93762306a36Sopenharmony_ci			if (rc == 0)
93862306a36Sopenharmony_ci				n_parts++;
93962306a36Sopenharmony_ci			else if (rc != -ENODEV)
94062306a36Sopenharmony_ci				goto fail;
94162306a36Sopenharmony_ci		}
94262306a36Sopenharmony_ci		type++;
94362306a36Sopenharmony_ci		nvram_types >>= 1;
94462306a36Sopenharmony_ci	}
94562306a36Sopenharmony_ci
94662306a36Sopenharmony_ci	rc = siena_mtd_get_fw_subtypes(efx, parts, n_parts);
94762306a36Sopenharmony_ci	if (rc)
94862306a36Sopenharmony_ci		goto fail;
94962306a36Sopenharmony_ci
95062306a36Sopenharmony_ci	rc = efx_siena_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts));
95162306a36Sopenharmony_cifail:
95262306a36Sopenharmony_ci	if (rc)
95362306a36Sopenharmony_ci		kfree(parts);
95462306a36Sopenharmony_ci	return rc;
95562306a36Sopenharmony_ci}
95662306a36Sopenharmony_ci
95762306a36Sopenharmony_ci#endif /* CONFIG_SFC_SIENA_MTD */
95862306a36Sopenharmony_ci
95962306a36Sopenharmony_cistatic unsigned int siena_check_caps(const struct efx_nic *efx,
96062306a36Sopenharmony_ci				     u8 flag, u32 offset)
96162306a36Sopenharmony_ci{
96262306a36Sopenharmony_ci	/* Siena did not support MC_CMD_GET_CAPABILITIES */
96362306a36Sopenharmony_ci	return 0;
96462306a36Sopenharmony_ci}
96562306a36Sopenharmony_ci
96662306a36Sopenharmony_cistatic unsigned int efx_siena_recycle_ring_size(const struct efx_nic *efx)
96762306a36Sopenharmony_ci{
96862306a36Sopenharmony_ci	/* Maximum link speed is 10G */
96962306a36Sopenharmony_ci	return EFX_RECYCLE_RING_SIZE_10G;
97062306a36Sopenharmony_ci}
97162306a36Sopenharmony_ci
97262306a36Sopenharmony_ci/**************************************************************************
97362306a36Sopenharmony_ci *
97462306a36Sopenharmony_ci * Revision-dependent attributes used by efx.c and nic.c
97562306a36Sopenharmony_ci *
97662306a36Sopenharmony_ci **************************************************************************
97762306a36Sopenharmony_ci */
97862306a36Sopenharmony_ci
97962306a36Sopenharmony_ciconst struct efx_nic_type siena_a0_nic_type = {
98062306a36Sopenharmony_ci	.is_vf = false,
98162306a36Sopenharmony_ci	.mem_bar = siena_mem_bar,
98262306a36Sopenharmony_ci	.mem_map_size = siena_mem_map_size,
98362306a36Sopenharmony_ci	.probe = siena_probe_nic,
98462306a36Sopenharmony_ci	.remove = siena_remove_nic,
98562306a36Sopenharmony_ci	.init = siena_init_nic,
98662306a36Sopenharmony_ci	.dimension_resources = siena_dimension_resources,
98762306a36Sopenharmony_ci	.fini = efx_siena_port_dummy_op_void,
98862306a36Sopenharmony_ci#ifdef CONFIG_EEH
98962306a36Sopenharmony_ci	.monitor = siena_monitor,
99062306a36Sopenharmony_ci#else
99162306a36Sopenharmony_ci	.monitor = NULL,
99262306a36Sopenharmony_ci#endif
99362306a36Sopenharmony_ci	.map_reset_reason = efx_siena_mcdi_map_reset_reason,
99462306a36Sopenharmony_ci	.map_reset_flags = siena_map_reset_flags,
99562306a36Sopenharmony_ci	.reset = efx_siena_mcdi_reset,
99662306a36Sopenharmony_ci	.probe_port = efx_siena_mcdi_port_probe,
99762306a36Sopenharmony_ci	.remove_port = efx_siena_mcdi_port_remove,
99862306a36Sopenharmony_ci	.fini_dmaq = efx_farch_fini_dmaq,
99962306a36Sopenharmony_ci	.prepare_flush = efx_siena_prepare_flush,
100062306a36Sopenharmony_ci	.finish_flush = siena_finish_flush,
100162306a36Sopenharmony_ci	.prepare_flr = efx_siena_port_dummy_op_void,
100262306a36Sopenharmony_ci	.finish_flr = efx_farch_finish_flr,
100362306a36Sopenharmony_ci	.describe_stats = siena_describe_nic_stats,
100462306a36Sopenharmony_ci	.update_stats = siena_update_nic_stats,
100562306a36Sopenharmony_ci	.start_stats = efx_siena_mcdi_mac_start_stats,
100662306a36Sopenharmony_ci	.pull_stats = efx_siena_mcdi_mac_pull_stats,
100762306a36Sopenharmony_ci	.stop_stats = efx_siena_mcdi_mac_stop_stats,
100862306a36Sopenharmony_ci	.push_irq_moderation = siena_push_irq_moderation,
100962306a36Sopenharmony_ci	.reconfigure_mac = siena_mac_reconfigure,
101062306a36Sopenharmony_ci	.check_mac_fault = efx_siena_mcdi_mac_check_fault,
101162306a36Sopenharmony_ci	.reconfigure_port = efx_siena_mcdi_port_reconfigure,
101262306a36Sopenharmony_ci	.get_wol = siena_get_wol,
101362306a36Sopenharmony_ci	.set_wol = siena_set_wol,
101462306a36Sopenharmony_ci	.resume_wol = siena_init_wol,
101562306a36Sopenharmony_ci	.test_chip = siena_test_chip,
101662306a36Sopenharmony_ci	.test_nvram = efx_siena_mcdi_nvram_test_all,
101762306a36Sopenharmony_ci	.mcdi_request = siena_mcdi_request,
101862306a36Sopenharmony_ci	.mcdi_poll_response = siena_mcdi_poll_response,
101962306a36Sopenharmony_ci	.mcdi_read_response = siena_mcdi_read_response,
102062306a36Sopenharmony_ci	.mcdi_poll_reboot = siena_mcdi_poll_reboot,
102162306a36Sopenharmony_ci	.irq_enable_master = efx_farch_irq_enable_master,
102262306a36Sopenharmony_ci	.irq_test_generate = efx_farch_irq_test_generate,
102362306a36Sopenharmony_ci	.irq_disable_non_ev = efx_farch_irq_disable_master,
102462306a36Sopenharmony_ci	.irq_handle_msi = efx_farch_msi_interrupt,
102562306a36Sopenharmony_ci	.irq_handle_legacy = efx_farch_legacy_interrupt,
102662306a36Sopenharmony_ci	.tx_probe = efx_farch_tx_probe,
102762306a36Sopenharmony_ci	.tx_init = efx_farch_tx_init,
102862306a36Sopenharmony_ci	.tx_remove = efx_farch_tx_remove,
102962306a36Sopenharmony_ci	.tx_write = efx_farch_tx_write,
103062306a36Sopenharmony_ci	.tx_limit_len = efx_farch_tx_limit_len,
103162306a36Sopenharmony_ci	.tx_enqueue = __efx_siena_enqueue_skb,
103262306a36Sopenharmony_ci	.rx_push_rss_config = siena_rx_push_rss_config,
103362306a36Sopenharmony_ci	.rx_pull_rss_config = siena_rx_pull_rss_config,
103462306a36Sopenharmony_ci	.rx_probe = efx_farch_rx_probe,
103562306a36Sopenharmony_ci	.rx_init = efx_farch_rx_init,
103662306a36Sopenharmony_ci	.rx_remove = efx_farch_rx_remove,
103762306a36Sopenharmony_ci	.rx_write = efx_farch_rx_write,
103862306a36Sopenharmony_ci	.rx_defer_refill = efx_farch_rx_defer_refill,
103962306a36Sopenharmony_ci	.rx_packet = __efx_siena_rx_packet,
104062306a36Sopenharmony_ci	.ev_probe = efx_farch_ev_probe,
104162306a36Sopenharmony_ci	.ev_init = efx_farch_ev_init,
104262306a36Sopenharmony_ci	.ev_fini = efx_farch_ev_fini,
104362306a36Sopenharmony_ci	.ev_remove = efx_farch_ev_remove,
104462306a36Sopenharmony_ci	.ev_process = efx_farch_ev_process,
104562306a36Sopenharmony_ci	.ev_read_ack = efx_farch_ev_read_ack,
104662306a36Sopenharmony_ci	.ev_test_generate = efx_farch_ev_test_generate,
104762306a36Sopenharmony_ci	.filter_table_probe = efx_farch_filter_table_probe,
104862306a36Sopenharmony_ci	.filter_table_restore = efx_farch_filter_table_restore,
104962306a36Sopenharmony_ci	.filter_table_remove = efx_farch_filter_table_remove,
105062306a36Sopenharmony_ci	.filter_update_rx_scatter = efx_farch_filter_update_rx_scatter,
105162306a36Sopenharmony_ci	.filter_insert = efx_farch_filter_insert,
105262306a36Sopenharmony_ci	.filter_remove_safe = efx_farch_filter_remove_safe,
105362306a36Sopenharmony_ci	.filter_get_safe = efx_farch_filter_get_safe,
105462306a36Sopenharmony_ci	.filter_clear_rx = efx_farch_filter_clear_rx,
105562306a36Sopenharmony_ci	.filter_count_rx_used = efx_farch_filter_count_rx_used,
105662306a36Sopenharmony_ci	.filter_get_rx_id_limit = efx_farch_filter_get_rx_id_limit,
105762306a36Sopenharmony_ci	.filter_get_rx_ids = efx_farch_filter_get_rx_ids,
105862306a36Sopenharmony_ci#ifdef CONFIG_RFS_ACCEL
105962306a36Sopenharmony_ci	.filter_rfs_expire_one = efx_farch_filter_rfs_expire_one,
106062306a36Sopenharmony_ci#endif
106162306a36Sopenharmony_ci#ifdef CONFIG_SFC_SIENA_MTD
106262306a36Sopenharmony_ci	.mtd_probe = siena_mtd_probe,
106362306a36Sopenharmony_ci	.mtd_rename = efx_siena_mcdi_mtd_rename,
106462306a36Sopenharmony_ci	.mtd_read = efx_siena_mcdi_mtd_read,
106562306a36Sopenharmony_ci	.mtd_erase = efx_siena_mcdi_mtd_erase,
106662306a36Sopenharmony_ci	.mtd_write = efx_siena_mcdi_mtd_write,
106762306a36Sopenharmony_ci	.mtd_sync = efx_siena_mcdi_mtd_sync,
106862306a36Sopenharmony_ci#endif
106962306a36Sopenharmony_ci	.ptp_write_host_time = siena_ptp_write_host_time,
107062306a36Sopenharmony_ci	.ptp_set_ts_config = siena_ptp_set_ts_config,
107162306a36Sopenharmony_ci#ifdef CONFIG_SFC_SIENA_SRIOV
107262306a36Sopenharmony_ci	.sriov_configure = efx_siena_sriov_configure,
107362306a36Sopenharmony_ci	.sriov_init = efx_siena_sriov_init,
107462306a36Sopenharmony_ci	.sriov_fini = efx_siena_sriov_fini,
107562306a36Sopenharmony_ci	.sriov_wanted = efx_siena_sriov_wanted,
107662306a36Sopenharmony_ci	.sriov_reset = efx_siena_sriov_reset,
107762306a36Sopenharmony_ci	.sriov_flr = efx_siena_sriov_flr,
107862306a36Sopenharmony_ci	.sriov_set_vf_mac = efx_siena_sriov_set_vf_mac,
107962306a36Sopenharmony_ci	.sriov_set_vf_vlan = efx_siena_sriov_set_vf_vlan,
108062306a36Sopenharmony_ci	.sriov_set_vf_spoofchk = efx_siena_sriov_set_vf_spoofchk,
108162306a36Sopenharmony_ci	.sriov_get_vf_config = efx_siena_sriov_get_vf_config,
108262306a36Sopenharmony_ci	.vswitching_probe = efx_siena_port_dummy_op_int,
108362306a36Sopenharmony_ci	.vswitching_restore = efx_siena_port_dummy_op_int,
108462306a36Sopenharmony_ci	.vswitching_remove = efx_siena_port_dummy_op_void,
108562306a36Sopenharmony_ci	.set_mac_address = efx_siena_sriov_mac_address_changed,
108662306a36Sopenharmony_ci#endif
108762306a36Sopenharmony_ci
108862306a36Sopenharmony_ci	.revision = EFX_REV_SIENA_A0,
108962306a36Sopenharmony_ci	.txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
109062306a36Sopenharmony_ci	.rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
109162306a36Sopenharmony_ci	.buf_tbl_base = FR_BZ_BUF_FULL_TBL,
109262306a36Sopenharmony_ci	.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
109362306a36Sopenharmony_ci	.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
109462306a36Sopenharmony_ci	.max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
109562306a36Sopenharmony_ci	.rx_prefix_size = FS_BZ_RX_PREFIX_SIZE,
109662306a36Sopenharmony_ci	.rx_hash_offset = FS_BZ_RX_PREFIX_HASH_OFST,
109762306a36Sopenharmony_ci	.rx_buffer_padding = 0,
109862306a36Sopenharmony_ci	.can_rx_scatter = true,
109962306a36Sopenharmony_ci	.option_descriptors = false,
110062306a36Sopenharmony_ci	.min_interrupt_mode = EFX_INT_MODE_LEGACY,
110162306a36Sopenharmony_ci	.timer_period_max = 1 << FRF_CZ_TC_TIMER_VAL_WIDTH,
110262306a36Sopenharmony_ci	.offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
110362306a36Sopenharmony_ci			     NETIF_F_RXHASH | NETIF_F_NTUPLE),
110462306a36Sopenharmony_ci	.mcdi_max_ver = 1,
110562306a36Sopenharmony_ci	.max_rx_ip_filters = FR_BZ_RX_FILTER_TBL0_ROWS,
110662306a36Sopenharmony_ci	.hwtstamp_filters = (1 << HWTSTAMP_FILTER_NONE |
110762306a36Sopenharmony_ci			     1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT |
110862306a36Sopenharmony_ci			     1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT),
110962306a36Sopenharmony_ci	.rx_hash_key_size = 16,
111062306a36Sopenharmony_ci	.check_caps = siena_check_caps,
111162306a36Sopenharmony_ci	.sensor_event = efx_siena_mcdi_sensor_event,
111262306a36Sopenharmony_ci	.rx_recycle_ring_size = efx_siena_recycle_ring_size,
111362306a36Sopenharmony_ci};
1114