MFC r299596-r299606, r299681, r299726, r299738

sfxge(4): move ef10_*() functions to ef10_*.c files

Submitted by:   Andy Moreton <amoreton at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.

1 files changed, 518 insertions, 0 deletions

diff --git a/sys/dev/sfxge/common/ef10_phy.c b/sys/dev/sfxge/common/ef10_phy.c
new file mode 100644
index 0000000..9241297
--- /dev/null
+++ b/sys/dev/sfxge/common/ef10_phy.c
@@ -0,0 +1,518 @@
+/*-
+ * Copyright (c) 2012-2015 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are
+ * those of the authors and should not be interpreted as representing official
+ * policies, either expressed or implied, of the FreeBSD Project.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "efx.h"
+#include "efx_impl.h"
+
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+
+static			void
+mcdi_phy_decode_cap(
+	__in		uint32_t mcdi_cap,
+	__out		uint32_t *maskp)
+{
+	uint32_t mask;
+
+	mask = 0;
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_10HDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_10FDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_100HDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_100FDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_1000HDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_1000FDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_10000FDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
+		mask |= (1 << EFX_PHY_CAP_40000FDX);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
+		mask |= (1 << EFX_PHY_CAP_PAUSE);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
+		mask |= (1 << EFX_PHY_CAP_ASYM);
+	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
+		mask |= (1 << EFX_PHY_CAP_AN);
+
+	*maskp = mask;
+}
+
+static			void
+mcdi_phy_decode_link_mode(
+	__in		efx_nic_t *enp,
+	__in		uint32_t link_flags,
+	__in		unsigned int speed,
+	__in		unsigned int fcntl,
+	__out		efx_link_mode_t *link_modep,
+	__out		unsigned int *fcntlp)
+{
+	boolean_t fd = !!(link_flags &
+		    (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN));
+	boolean_t up = !!(link_flags &
+		    (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN));
+
+	_NOTE(ARGUNUSED(enp))
+
+	if (!up)
+		*link_modep = EFX_LINK_DOWN;
+	else if (speed == 40000 && fd)
+		*link_modep = EFX_LINK_40000FDX;
+	else if (speed == 10000 && fd)
+		*link_modep = EFX_LINK_10000FDX;
+	else if (speed == 1000)
+		*link_modep = fd ? EFX_LINK_1000FDX : EFX_LINK_1000HDX;
+	else if (speed == 100)
+		*link_modep = fd ? EFX_LINK_100FDX : EFX_LINK_100HDX;
+	else if (speed == 10)
+		*link_modep = fd ? EFX_LINK_10FDX : EFX_LINK_10HDX;
+	else
+		*link_modep = EFX_LINK_UNKNOWN;
+
+	if (fcntl == MC_CMD_FCNTL_OFF)
+		*fcntlp = 0;
+	else if (fcntl == MC_CMD_FCNTL_RESPOND)
+		*fcntlp = EFX_FCNTL_RESPOND;
+	else if (fcntl == MC_CMD_FCNTL_GENERATE)
+		*fcntlp = EFX_FCNTL_GENERATE;
+	else if (fcntl == MC_CMD_FCNTL_BIDIR)
+		*fcntlp = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
+	else {
+		EFSYS_PROBE1(mc_pcol_error, int, fcntl);
+		*fcntlp = 0;
+	}
+}
+
+
+			void
+ef10_phy_link_ev(
+	__in		efx_nic_t *enp,
+	__in		efx_qword_t *eqp,
+	__out		efx_link_mode_t *link_modep)
+{
+	efx_port_t *epp = &(enp->en_port);
+	unsigned int link_flags;
+	unsigned int speed;
+	unsigned int fcntl;
+	efx_link_mode_t link_mode;
+	uint32_t lp_cap_mask;
+
+	/*
+	 * Convert the LINKCHANGE speed enumeration into mbit/s, in the
+	 * same way as GET_LINK encodes the speed
+	 */
+	switch (MCDI_EV_FIELD(eqp, LINKCHANGE_SPEED)) {
+	case MCDI_EVENT_LINKCHANGE_SPEED_100M:
+		speed = 100;
+		break;
+	case MCDI_EVENT_LINKCHANGE_SPEED_1G:
+		speed = 1000;
+		break;
+	case MCDI_EVENT_LINKCHANGE_SPEED_10G:
+		speed = 10000;
+		break;
+	case MCDI_EVENT_LINKCHANGE_SPEED_40G:
+		speed = 40000;
+		break;
+	default:
+		speed = 0;
+		break;
+	}
+
+	link_flags = MCDI_EV_FIELD(eqp, LINKCHANGE_LINK_FLAGS);
+	mcdi_phy_decode_link_mode(enp, link_flags, speed,
+				    MCDI_EV_FIELD(eqp, LINKCHANGE_FCNTL),
+				    &link_mode, &fcntl);
+	mcdi_phy_decode_cap(MCDI_EV_FIELD(eqp, LINKCHANGE_LP_CAP),
+			    &lp_cap_mask);
+
+	/*
+	 * It's safe to update ep_lp_cap_mask without the driver's port lock
+	 * because presumably any concurrently running efx_port_poll() is
+	 * only going to arrive at the same value.
+	 *
+	 * ep_fcntl has two meanings. It's either the link common fcntl
+	 * (if the PHY supports AN), or it's the forced link state. If
+	 * the former, it's safe to update the value for the same reason as
+	 * for ep_lp_cap_mask. If the latter, then just ignore the value,
+	 * because we can race with efx_mac_fcntl_set().
+	 */
+	epp->ep_lp_cap_mask = lp_cap_mask;
+	epp->ep_fcntl = fcntl;
+
+	*link_modep = link_mode;
+}
+
+	__checkReturn	efx_rc_t
+ef10_phy_power(
+	__in		efx_nic_t *enp,
+	__in		boolean_t power)
+{
+	efx_rc_t rc;
+
+	if (!power)
+		return (0);
+
+	/* Check if the PHY is a zombie */
+	if ((rc = ef10_phy_verify(enp)) != 0)
+		goto fail1;
+
+	enp->en_reset_flags |= EFX_RESET_PHY;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn	efx_rc_t
+ef10_phy_get_link(
+	__in		efx_nic_t *enp,
+	__out		ef10_link_state_t *elsp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_GET_LINK_IN_LEN,
+			    MC_CMD_GET_LINK_OUT_LEN)];
+	efx_rc_t rc;
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_GET_LINK;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_GET_LINK_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_GET_LINK_OUT_LEN;
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_GET_LINK_OUT_LEN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	mcdi_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_CAP),
+			    &elsp->els_adv_cap_mask);
+	mcdi_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_LP_CAP),
+			    &elsp->els_lp_cap_mask);
+
+	mcdi_phy_decode_link_mode(enp, MCDI_OUT_DWORD(req, GET_LINK_OUT_FLAGS),
+			    MCDI_OUT_DWORD(req, GET_LINK_OUT_LINK_SPEED),
+			    MCDI_OUT_DWORD(req, GET_LINK_OUT_FCNTL),
+			    &elsp->els_link_mode, &elsp->els_fcntl);
+
+#if EFSYS_OPT_LOOPBACK
+	/* Assert the MC_CMD_LOOPBACK and EFX_LOOPBACK namespace agree */
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_NONE == EFX_LOOPBACK_OFF);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_DATA == EFX_LOOPBACK_DATA);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMAC == EFX_LOOPBACK_GMAC);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGMII == EFX_LOOPBACK_XGMII);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGXS == EFX_LOOPBACK_XGXS);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI == EFX_LOOPBACK_XAUI);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII == EFX_LOOPBACK_GMII);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII == EFX_LOOPBACK_SGMII);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGBR == EFX_LOOPBACK_XGBR);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI == EFX_LOOPBACK_XFI);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI_FAR == EFX_LOOPBACK_XAUI_FAR);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII_FAR == EFX_LOOPBACK_GMII_FAR);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII_FAR == EFX_LOOPBACK_SGMII_FAR);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI_FAR == EFX_LOOPBACK_XFI_FAR);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GPHY == EFX_LOOPBACK_GPHY);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PHYXS == EFX_LOOPBACK_PHY_XS);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PCS == EFX_LOOPBACK_PCS);
+	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PMAPMD == EFX_LOOPBACK_PMA_PMD);
+
+	elsp->els_loopback = MCDI_OUT_DWORD(req, GET_LINK_OUT_LOOPBACK_MODE);
+#endif	/* EFSYS_OPT_LOOPBACK */
+
+	elsp->els_mac_up = MCDI_OUT_DWORD(req, GET_LINK_OUT_MAC_FAULT) == 0;
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn	efx_rc_t
+ef10_phy_reconfigure(
+	__in		efx_nic_t *enp)
+{
+	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+	efx_port_t *epp = &(enp->en_port);
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_SET_LINK_IN_LEN,
+			    MC_CMD_SET_LINK_OUT_LEN)];
+	uint32_t cap_mask;
+	unsigned int led_mode;
+	unsigned int speed;
+	efx_rc_t rc;
+
+	if (~encp->enc_func_flags & EFX_NIC_FUNC_LINKCTRL)
+		goto out;
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_SET_LINK;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_SET_LINK_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_SET_LINK_OUT_LEN;
+
+	cap_mask = epp->ep_adv_cap_mask;
+	MCDI_IN_POPULATE_DWORD_10(req, SET_LINK_IN_CAP,
+		PHY_CAP_10HDX, (cap_mask >> EFX_PHY_CAP_10HDX) & 0x1,
+		PHY_CAP_10FDX, (cap_mask >> EFX_PHY_CAP_10FDX) & 0x1,
+		PHY_CAP_100HDX, (cap_mask >> EFX_PHY_CAP_100HDX) & 0x1,
+		PHY_CAP_100FDX, (cap_mask >> EFX_PHY_CAP_100FDX) & 0x1,
+		PHY_CAP_1000HDX, (cap_mask >> EFX_PHY_CAP_1000HDX) & 0x1,
+		PHY_CAP_1000FDX, (cap_mask >> EFX_PHY_CAP_1000FDX) & 0x1,
+		PHY_CAP_10000FDX, (cap_mask >> EFX_PHY_CAP_10000FDX) & 0x1,
+		PHY_CAP_PAUSE, (cap_mask >> EFX_PHY_CAP_PAUSE) & 0x1,
+		PHY_CAP_ASYM, (cap_mask >> EFX_PHY_CAP_ASYM) & 0x1,
+		PHY_CAP_AN, (cap_mask >> EFX_PHY_CAP_AN) & 0x1);
+	/* Too many fields for for POPULATE macros, so insert this afterwards */
+	MCDI_IN_SET_DWORD_FIELD(req, SET_LINK_IN_CAP,
+	    PHY_CAP_40000FDX, (cap_mask >> EFX_PHY_CAP_40000FDX) & 0x1);
+
+#if EFSYS_OPT_LOOPBACK
+	MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE,
+		    epp->ep_loopback_type);
+	switch (epp->ep_loopback_link_mode) {
+	case EFX_LINK_100FDX:
+		speed = 100;
+		break;
+	case EFX_LINK_1000FDX:
+		speed = 1000;
+		break;
+	case EFX_LINK_10000FDX:
+		speed = 10000;
+		break;
+	case EFX_LINK_40000FDX:
+		speed = 40000;
+		break;
+	default:
+		speed = 0;
+	}
+#else
+	MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE, MC_CMD_LOOPBACK_NONE);
+	speed = 0;
+#endif	/* EFSYS_OPT_LOOPBACK */
+	MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_SPEED, speed);
+
+#if EFSYS_OPT_PHY_FLAGS
+	MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, epp->ep_phy_flags);
+#else
+	MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, 0);
+#endif	/* EFSYS_OPT_PHY_FLAGS */
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	/* And set the blink mode */
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_SET_ID_LED;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_SET_ID_LED_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_SET_ID_LED_OUT_LEN;
+
+#if EFSYS_OPT_PHY_LED_CONTROL
+	switch (epp->ep_phy_led_mode) {
+	case EFX_PHY_LED_DEFAULT:
+		led_mode = MC_CMD_LED_DEFAULT;
+		break;
+	case EFX_PHY_LED_OFF:
+		led_mode = MC_CMD_LED_OFF;
+		break;
+	case EFX_PHY_LED_ON:
+		led_mode = MC_CMD_LED_ON;
+		break;
+	default:
+		EFSYS_ASSERT(0);
+		led_mode = MC_CMD_LED_DEFAULT;
+	}
+
+	MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, led_mode);
+#else
+	MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, MC_CMD_LED_DEFAULT);
+#endif	/* EFSYS_OPT_PHY_LED_CONTROL */
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail2;
+	}
+out:
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn	efx_rc_t
+ef10_phy_verify(
+	__in		efx_nic_t *enp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_GET_PHY_STATE_IN_LEN,
+			    MC_CMD_GET_PHY_STATE_OUT_LEN)];
+	uint32_t state;
+	efx_rc_t rc;
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_GET_PHY_STATE;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_GET_PHY_STATE_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_GET_PHY_STATE_OUT_LEN;
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_GET_PHY_STATE_OUT_LEN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	state = MCDI_OUT_DWORD(req, GET_PHY_STATE_OUT_STATE);
+	if (state != MC_CMD_PHY_STATE_OK) {
+		if (state != MC_CMD_PHY_STATE_ZOMBIE)
+			EFSYS_PROBE1(mc_pcol_error, int, state);
+		rc = ENOTACTIVE;
+		goto fail3;
+	}
+
+	return (0);
+
+fail3:
+	EFSYS_PROBE(fail3);
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn	efx_rc_t
+ef10_phy_oui_get(
+	__in		efx_nic_t *enp,
+	__out		uint32_t *ouip)
+{
+	_NOTE(ARGUNUSED(enp, ouip))
+
+	return (ENOTSUP);
+}
+
+#if EFSYS_OPT_PHY_STATS
+
+	__checkReturn				efx_rc_t
+ef10_phy_stats_update(
+	__in					efx_nic_t *enp,
+	__in					efsys_mem_t *esmp,
+	__inout_ecount(EFX_PHY_NSTATS)		uint32_t *stat)
+{
+	/* TBD: no stats support in firmware yet */
+	_NOTE(ARGUNUSED(enp, esmp))
+	memset(stat, 0, EFX_PHY_NSTATS * sizeof (*stat));
+
+	return (0);
+}
+
+#endif	/* EFSYS_OPT_PHY_STATS */
+
+#if EFSYS_OPT_PHY_PROPS
+
+#if EFSYS_OPT_NAMES
+
+		const char *
+ef10_phy_prop_name(
+	__in	efx_nic_t *enp,
+	__in	unsigned int id)
+{
+	_NOTE(ARGUNUSED(enp, id))
+
+	return (NULL);
+}
+
+#endif	/* EFSYS_OPT_NAMES */
+
+	__checkReturn	efx_rc_t
+ef10_phy_prop_get(
+	__in		efx_nic_t *enp,
+	__in		unsigned int id,
+	__in		uint32_t flags,
+	__out		uint32_t *valp)
+{
+	_NOTE(ARGUNUSED(enp, id, flags, valp))
+
+	return (ENOTSUP);
+}
+
+	__checkReturn	efx_rc_t
+ef10_phy_prop_set(
+	__in		efx_nic_t *enp,
+	__in		unsigned int id,
+	__in		uint32_t val)
+{
+	_NOTE(ARGUNUSED(enp, id, val))
+
+	return (ENOTSUP);
+}
+
+#endif	/* EFSYS_OPT_PHY_PROPS */
+
+#endif	/* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */