/*******************************************************************************

Copyright (c) 2013 - 2015, Intel Corporation
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.

 3. Neither the name of the Intel Corporation nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.

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.

***************************************************************************/

#include "fm10k_vf.h"

/**
 *  fm10k_stop_hw_vf - Stop Tx/Rx units
 *  @hw: pointer to hardware structure
 *
 **/
STATIC s32 fm10k_stop_hw_vf(struct fm10k_hw *hw)
{
	u8 *perm_addr = hw->mac.perm_addr;
	u32 bal = 0, bah = 0, tdlen;
	s32 err;
	u16 i;

	DEBUGFUNC("fm10k_stop_hw_vf");

	/* we need to disable the queues before taking further steps */
	err = fm10k_stop_hw_generic(hw);
	if (err)
		return err;

	/* If permanent address is set then we need to restore it */
	if (FM10K_IS_VALID_ETHER_ADDR(perm_addr)) {
		bal = (((u32)perm_addr[3]) << 24) |
		      (((u32)perm_addr[4]) << 16) |
		      (((u32)perm_addr[5]) << 8);
		bah = (((u32)0xFF)	   << 24) |
		      (((u32)perm_addr[0]) << 16) |
		      (((u32)perm_addr[1]) << 8) |
		       ((u32)perm_addr[2]);
	}

	/* restore default itr_scale for next VF initialization */
	tdlen = hw->mac.itr_scale << FM10K_TDLEN_ITR_SCALE_SHIFT;

	/* The queues have already been disabled so we just need to
	 * update their base address registers
	 */
	for (i = 0; i < hw->mac.max_queues; i++) {
		FM10K_WRITE_REG(hw, FM10K_TDBAL(i), bal);
		FM10K_WRITE_REG(hw, FM10K_TDBAH(i), bah);
		FM10K_WRITE_REG(hw, FM10K_RDBAL(i), bal);
		FM10K_WRITE_REG(hw, FM10K_RDBAH(i), bah);
		/* Restore ITR scale in software-defined mechanism in TDLEN
		 * for next VF initialization. See definition of
		 * FM10K_TDLEN_ITR_SCALE_SHIFT for more details on the use of
		 * TDLEN here.
		 */
		FM10K_WRITE_REG(hw, FM10K_TDLEN(i), tdlen);
	}

	return FM10K_SUCCESS;
}

/**
 *  fm10k_reset_hw_vf - VF hardware reset
 *  @hw: pointer to hardware structure
 *
 *  This function should return the hardware to a state similar to the
 *  one it is in after just being initialized.
 **/
STATIC s32 fm10k_reset_hw_vf(struct fm10k_hw *hw)
{
	s32 err;

	DEBUGFUNC("fm10k_reset_hw_vf");

	/* shut down queues we own and reset DMA configuration */
	err = fm10k_stop_hw_vf(hw);
	if (err)
		return err;

	/* Inititate VF reset */
	FM10K_WRITE_REG(hw, FM10K_VFCTRL, FM10K_VFCTRL_RST);

	/* Flush write and allow 100us for reset to complete */
	FM10K_WRITE_FLUSH(hw);
	usec_delay(FM10K_RESET_TIMEOUT);

	/* Clear reset bit and verify it was cleared */
	FM10K_WRITE_REG(hw, FM10K_VFCTRL, 0);
	if (FM10K_READ_REG(hw, FM10K_VFCTRL) & FM10K_VFCTRL_RST)
		err = FM10K_ERR_RESET_FAILED;

	return err;
}

/**
 *  fm10k_init_hw_vf - VF hardware initialization
 *  @hw: pointer to hardware structure
 *
 **/
STATIC s32 fm10k_init_hw_vf(struct fm10k_hw *hw)
{
	u32 tqdloc, tqdloc0 = ~FM10K_READ_REG(hw, FM10K_TQDLOC(0));
	s32 err;
	u16 i;

	DEBUGFUNC("fm10k_init_hw_vf");

	/* verify we have at least 1 queue */
	if (!~FM10K_READ_REG(hw, FM10K_TXQCTL(0)) ||
	    !~FM10K_READ_REG(hw, FM10K_RXQCTL(0))) {
		err = FM10K_ERR_NO_RESOURCES;
		goto reset_max_queues;
	}

	/* determine how many queues we have */
	for (i = 1; tqdloc0 && (i < FM10K_MAX_QUEUES_POOL); i++) {
		/* verify the Descriptor cache offsets are increasing */
		tqdloc = ~FM10K_READ_REG(hw, FM10K_TQDLOC(i));
		if (!tqdloc || (tqdloc == tqdloc0))
			break;

		/* check to verify the PF doesn't own any of our queues */
		if (!~FM10K_READ_REG(hw, FM10K_TXQCTL(i)) ||
		    !~FM10K_READ_REG(hw, FM10K_RXQCTL(i)))
			break;
	}

	/* shut down queues we own and reset DMA configuration */
	err = fm10k_disable_queues_generic(hw, i);
	if (err)
		goto reset_max_queues;

	/* record maximum queue count */
	hw->mac.max_queues = i;

	/* fetch default VLAN and ITR scale */
	hw->mac.default_vid = (FM10K_READ_REG(hw, FM10K_TXQCTL(0)) &
			       FM10K_TXQCTL_VID_MASK) >> FM10K_TXQCTL_VID_SHIFT;
	/* Read the ITR scale from TDLEN. See the definition of
	 * FM10K_TDLEN_ITR_SCALE_SHIFT for more information about how TDLEN is
	 * used here.
	 */
	hw->mac.itr_scale = (FM10K_READ_REG(hw, FM10K_TDLEN(0)) &
			     FM10K_TDLEN_ITR_SCALE_MASK) >>
			    FM10K_TDLEN_ITR_SCALE_SHIFT;

	return FM10K_SUCCESS;

reset_max_queues:
	hw->mac.max_queues = 0;

	return err;
}

#ifndef NO_IS_SLOT_APPROPRIATE_CHECK
/**
 *  fm10k_is_slot_appropriate_vf - Indicate appropriate slot for this SKU
 *  @hw: pointer to hardware structure
 *
 *  Looks at the PCIe bus info to confirm whether or not this slot can support
 *  the necessary bandwidth for this device. Since the VF has no control over
 *  the "slot" it is in, always indicate that the slot is appropriate.
 **/
STATIC bool fm10k_is_slot_appropriate_vf(struct fm10k_hw *hw)
{
	UNREFERENCED_1PARAMETER(hw);
	DEBUGFUNC("fm10k_is_slot_appropriate_vf");

	return TRUE;
}

#endif
/* This structure defines the attibutes to be parsed below */
const struct fm10k_tlv_attr fm10k_mac_vlan_msg_attr[] = {
	FM10K_TLV_ATTR_U32(FM10K_MAC_VLAN_MSG_VLAN),
	FM10K_TLV_ATTR_BOOL(FM10K_MAC_VLAN_MSG_SET),
	FM10K_TLV_ATTR_MAC_ADDR(FM10K_MAC_VLAN_MSG_MAC),
	FM10K_TLV_ATTR_MAC_ADDR(FM10K_MAC_VLAN_MSG_DEFAULT_MAC),
	FM10K_TLV_ATTR_MAC_ADDR(FM10K_MAC_VLAN_MSG_MULTICAST),
	FM10K_TLV_ATTR_LAST
};

/**
 *  fm10k_update_vlan_vf - Update status of VLAN ID in VLAN filter table
 *  @hw: pointer to hardware structure
 *  @vid: VLAN ID to add to table
 *  @vsi: Reserved, should always be 0
 *  @set: Indicates if this is a set or clear operation
 *
 *  This function adds or removes the corresponding VLAN ID from the VLAN
 *  filter table for this VF.
 **/
STATIC s32 fm10k_update_vlan_vf(struct fm10k_hw *hw, u32 vid, u8 vsi, bool set)
{
	struct fm10k_mbx_info *mbx = &hw->mbx;
	u32 msg[4];

	/* verify the index is not set */
	if (vsi)
		return FM10K_ERR_PARAM;

	/* verify upper 4 bits of vid and length are 0 */
	if ((vid << 16 | vid) >> 28)
		return FM10K_ERR_PARAM;

	/* encode set bit into the VLAN ID */
	if (!set)
		vid |= FM10K_VLAN_CLEAR;

	/* generate VLAN request */
	fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MAC_VLAN);
	fm10k_tlv_attr_put_u32(msg, FM10K_MAC_VLAN_MSG_VLAN, vid);

	/* load onto outgoing mailbox */
	return mbx->ops.enqueue_tx(hw, mbx, msg);
}

/**
 *  fm10k_msg_mac_vlan_vf - Read device MAC address from mailbox message
 *  @hw: pointer to the HW structure
 *  @results: Attributes for message
 *  @mbx: unused mailbox data
 *
 *  This function should determine the MAC address for the VF
 **/
s32 fm10k_msg_mac_vlan_vf(struct fm10k_hw *hw, u32 **results,
			  struct fm10k_mbx_info *mbx)
{
	u8 perm_addr[ETH_ALEN];
	u16 vid;
	s32 err;

	UNREFERENCED_1PARAMETER(mbx);
	DEBUGFUNC("fm10k_msg_mac_vlan_vf");

	/* record MAC address requested */
	err = fm10k_tlv_attr_get_mac_vlan(
					results[FM10K_MAC_VLAN_MSG_DEFAULT_MAC],
					perm_addr, &vid);
	if (err)
		return err;

	memcpy(hw->mac.perm_addr, perm_addr, ETH_ALEN);
	hw->mac.default_vid = vid & (FM10K_VLAN_TABLE_VID_MAX - 1);
	hw->mac.vlan_override = !!(vid & FM10K_VLAN_CLEAR);

	return FM10K_SUCCESS;
}

/**
 *  fm10k_read_mac_addr_vf - Read device MAC address
 *  @hw: pointer to the HW structure
 *
 *  This function should determine the MAC address for the VF
 **/
STATIC s32 fm10k_read_mac_addr_vf(struct fm10k_hw *hw)
{
	u8 perm_addr[ETH_ALEN];
	u32 base_addr;

	DEBUGFUNC("fm10k_read_mac_addr_vf");

	base_addr = FM10K_READ_REG(hw, FM10K_TDBAL(0));

	/* last byte should be 0 */
	if (base_addr << 24)
		return  FM10K_ERR_INVALID_MAC_ADDR;

	perm_addr[3] = (u8)(base_addr >> 24);
	perm_addr[4] = (u8)(base_addr >> 16);
	perm_addr[5] = (u8)(base_addr >> 8);

	base_addr = FM10K_READ_REG(hw, FM10K_TDBAH(0));

	/* first byte should be all 1's */
	if ((~base_addr) >> 24)
		return  FM10K_ERR_INVALID_MAC_ADDR;

	perm_addr[0] = (u8)(base_addr >> 16);
	perm_addr[1] = (u8)(base_addr >> 8);
	perm_addr[2] = (u8)(base_addr);

	memcpy(hw->mac.perm_addr, perm_addr, ETH_ALEN);
	memcpy(hw->mac.addr, perm_addr, ETH_ALEN);

	return FM10K_SUCCESS;
}

/**
 *  fm10k_update_uc_addr_vf - Update device unicast addresses
 *  @hw: pointer to the HW structure
 *  @glort: unused
 *  @mac: MAC address to add/remove from table
 *  @vid: VLAN ID to add/remove from table
 *  @add: Indicates if this is an add or remove operation
 *  @flags: flags field to indicate add and secure - unused
 *
 *  This function is used to add or remove unicast MAC addresses for
 *  the VF.
 **/
STATIC s32 fm10k_update_uc_addr_vf(struct fm10k_hw *hw, u16 glort,
				   const u8 *mac, u16 vid, bool add, u8 flags)
{
	struct fm10k_mbx_info *mbx = &hw->mbx;
	u32 msg[7];

	DEBUGFUNC("fm10k_update_uc_addr_vf");

	UNREFERENCED_2PARAMETER(glort, flags);

	/* verify VLAN ID is valid */
	if (vid >= FM10K_VLAN_TABLE_VID_MAX)
		return FM10K_ERR_PARAM;

	/* verify MAC address is valid */
	if (!FM10K_IS_VALID_ETHER_ADDR(mac))
		return FM10K_ERR_PARAM;

	/* verify we are not locked down on the MAC address */
	if (FM10K_IS_VALID_ETHER_ADDR(hw->mac.perm_addr) &&
	    memcmp(hw->mac.perm_addr, mac, ETH_ALEN))
		return FM10K_ERR_PARAM;

	/* add bit to notify us if this is a set or clear operation */
	if (!add)
		vid |= FM10K_VLAN_CLEAR;

	/* generate VLAN request */
	fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MAC_VLAN);
	fm10k_tlv_attr_put_mac_vlan(msg, FM10K_MAC_VLAN_MSG_MAC, mac, vid);

	/* load onto outgoing mailbox */
	return mbx->ops.enqueue_tx(hw, mbx, msg);
}

/**
 *  fm10k_update_mc_addr_vf - Update device multicast addresses
 *  @hw: pointer to the HW structure
 *  @glort: unused
 *  @mac: MAC address to add/remove from table
 *  @vid: VLAN ID to add/remove from table
 *  @add: Indicates if this is an add or remove operation
 *
 *  This function is used to add or remove multicast MAC addresses for
 *  the VF.
 **/
STATIC s32 fm10k_update_mc_addr_vf(struct fm10k_hw *hw, u16 glort,
				   const u8 *mac, u16 vid, bool add)
{
	struct fm10k_mbx_info *mbx = &hw->mbx;
	u32 msg[7];

	DEBUGFUNC("fm10k_update_uc_addr_vf");

	UNREFERENCED_1PARAMETER(glort);

	/* verify VLAN ID is valid */
	if (vid >= FM10K_VLAN_TABLE_VID_MAX)
		return FM10K_ERR_PARAM;

	/* verify multicast address is valid */
	if (!FM10K_IS_MULTICAST_ETHER_ADDR(mac))
		return FM10K_ERR_PARAM;

	/* add bit to notify us if this is a set or clear operation */
	if (!add)
		vid |= FM10K_VLAN_CLEAR;

	/* generate VLAN request */
	fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MAC_VLAN);
	fm10k_tlv_attr_put_mac_vlan(msg, FM10K_MAC_VLAN_MSG_MULTICAST,
				    mac, vid);

	/* load onto outgoing mailbox */
	return mbx->ops.enqueue_tx(hw, mbx, msg);
}

/**
 *  fm10k_update_int_moderator_vf - Request update of interrupt moderator list
 *  @hw: pointer to hardware structure
 *
 *  This function will issue a request to the PF to rescan our MSI-X table
 *  and to update the interrupt moderator linked list.
 **/
STATIC void fm10k_update_int_moderator_vf(struct fm10k_hw *hw)
{
	struct fm10k_mbx_info *mbx = &hw->mbx;
	u32 msg[1];

	/* generate MSI-X request */
	fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MSIX);

	/* load onto outgoing mailbox */
	mbx->ops.enqueue_tx(hw, mbx, msg);
}

/* This structure defines the attibutes to be parsed below */
const struct fm10k_tlv_attr fm10k_lport_state_msg_attr[] = {
	FM10K_TLV_ATTR_BOOL(FM10K_LPORT_STATE_MSG_DISABLE),
	FM10K_TLV_ATTR_U8(FM10K_LPORT_STATE_MSG_XCAST_MODE),
	FM10K_TLV_ATTR_BOOL(FM10K_LPORT_STATE_MSG_READY),
	FM10K_TLV_ATTR_LAST
};

/**
 *  fm10k_msg_lport_state_vf - Message handler for lport_state message from PF
 *  @hw: Pointer to hardware structure
 *  @results: pointer array containing parsed data
 *  @mbx: Pointer to mailbox information structure
 *
 *  This handler is meant to capture the indication from the PF that we
 *  are ready to bring up the interface.
 **/
s32 fm10k_msg_lport_state_vf(struct fm10k_hw *hw, u32 **results,
			     struct fm10k_mbx_info *mbx)
{
	UNREFERENCED_1PARAMETER(mbx);
	DEBUGFUNC("fm10k_msg_lport_state_vf");

	hw->mac.dglort_map = !results[FM10K_LPORT_STATE_MSG_READY] ?
			     FM10K_DGLORTMAP_NONE : FM10K_DGLORTMAP_ZERO;

	return FM10K_SUCCESS;
}

/**
 *  fm10k_update_lport_state_vf - Update device state in lower device
 *  @hw: pointer to the HW structure
 *  @glort: unused
 *  @count: number of logical ports to enable - unused (always 1)
 *  @enable: boolean value indicating if this is an enable or disable request
 *
 *  Notify the lower device of a state change.  If the lower device is
 *  enabled we can add filters, if it is disabled all filters for this
 *  logical port are flushed.
 **/
STATIC s32 fm10k_update_lport_state_vf(struct fm10k_hw *hw, u16 glort,
				       u16 count, bool enable)
{
	struct fm10k_mbx_info *mbx = &hw->mbx;
	u32 msg[2];

	UNREFERENCED_2PARAMETER(glort, count);
	DEBUGFUNC("fm10k_update_lport_state_vf");

	/* reset glort mask 0 as we have to wait to be enabled */
	hw->mac.dglort_map = FM10K_DGLORTMAP_NONE;

	/* generate port state request */
	fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_LPORT_STATE);
	if (!enable)
		fm10k_tlv_attr_put_bool(msg, FM10K_LPORT_STATE_MSG_DISABLE);

	/* load onto outgoing mailbox */
	return mbx->ops.enqueue_tx(hw, mbx, msg);
}

/**
 *  fm10k_update_xcast_mode_vf - Request update of multicast mode
 *  @hw: pointer to hardware structure
 *  @glort: unused
 *  @mode: integer value indicating mode being requested
 *
 *  This function will attempt to request a higher mode for the port
 *  so that it can enable either multicast, multicast promiscuous, or
 *  promiscuous mode of operation.
 **/
STATIC s32 fm10k_update_xcast_mode_vf(struct fm10k_hw *hw, u16 glort, u8 mode)
{
	struct fm10k_mbx_info *mbx = &hw->mbx;
	u32 msg[3];

	UNREFERENCED_1PARAMETER(glort);
	DEBUGFUNC("fm10k_update_xcast_mode_vf");

	if (mode > FM10K_XCAST_MODE_NONE)
		return FM10K_ERR_PARAM;

	/* generate message requesting to change xcast mode */
	fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_LPORT_STATE);
	fm10k_tlv_attr_put_u8(msg, FM10K_LPORT_STATE_MSG_XCAST_MODE, mode);

	/* load onto outgoing mailbox */
	return mbx->ops.enqueue_tx(hw, mbx, msg);
}

const struct fm10k_tlv_attr fm10k_1588_msg_attr[] = {
	FM10K_TLV_ATTR_U64(FM10K_1588_MSG_CLK_OFFSET),
	FM10K_TLV_ATTR_LAST
};

/* currently there is no shared 1588 message handler */

/**
 *  fm10k_update_hw_stats_vf - Updates hardware related statistics of VF
 *  @hw: pointer to hardware structure
 *  @stats: pointer to statistics structure
 *
 *  This function collects and aggregates per queue hardware statistics.
 **/
STATIC void fm10k_update_hw_stats_vf(struct fm10k_hw *hw,
				     struct fm10k_hw_stats *stats)
{
	DEBUGFUNC("fm10k_update_hw_stats_vf");

	fm10k_update_hw_stats_q(hw, stats->q, 0, hw->mac.max_queues);
}

/**
 *  fm10k_rebind_hw_stats_vf - Resets base for hardware statistics of VF
 *  @hw: pointer to hardware structure
 *  @stats: pointer to the stats structure to update
 *
 *  This function resets the base for queue hardware statistics.
 **/
STATIC void fm10k_rebind_hw_stats_vf(struct fm10k_hw *hw,
				     struct fm10k_hw_stats *stats)
{
	DEBUGFUNC("fm10k_rebind_hw_stats_vf");

	/* Unbind Queue Statistics */
	fm10k_unbind_hw_stats_q(stats->q, 0, hw->mac.max_queues);

	/* Reinitialize bases for all stats */
	fm10k_update_hw_stats_vf(hw, stats);
}

/**
 *  fm10k_configure_dglort_map_vf - Configures GLORT entry and queues
 *  @hw: pointer to hardware structure
 *  @dglort: pointer to dglort configuration structure
 *
 *  Reads the configuration structure contained in dglort_cfg and uses
 *  that information to then populate a DGLORTMAP/DEC entry and the queues
 *  to which it has been assigned.
 **/
STATIC s32 fm10k_configure_dglort_map_vf(struct fm10k_hw *hw,
					 struct fm10k_dglort_cfg *dglort)
{
	UNREFERENCED_1PARAMETER(hw);
	DEBUGFUNC("fm10k_configure_dglort_map_vf");

	/* verify the dglort pointer */
	if (!dglort)
		return FM10K_ERR_PARAM;

	/* stub for now until we determine correct message for this */

	return FM10K_SUCCESS;
}

/**
 *  fm10k_adjust_systime_vf - Adjust systime frequency
 *  @hw: pointer to hardware structure
 *  @ppb: adjustment rate in parts per billion
 *
 *  This function takes an adjustment rate in parts per billion and will
 *  verify that this value is 0 as the VF cannot support adjusting the
 *  systime clock.
 *
 *  If the ppb value is non-zero the return is ERR_PARAM else success
 **/
STATIC s32 fm10k_adjust_systime_vf(struct fm10k_hw *hw, s32 ppb)
{
	UNREFERENCED_1PARAMETER(hw);
	DEBUGFUNC("fm10k_adjust_systime_vf");

	/* The VF cannot adjust the clock frequency, however it should
	 * already have a syntonic clock with whichever host interface is
	 * running as the master for the host interface clock domain so
	 * there should be not frequency adjustment necessary.
	 */
	return ppb ? FM10K_ERR_PARAM : FM10K_SUCCESS;
}

/**
 *  fm10k_read_systime_vf - Reads value of systime registers
 *  @hw: pointer to the hardware structure
 *
 *  Function reads the content of 2 registers, combined to represent a 64 bit
 *  value measured in nanoseconds.  In order to guarantee the value is accurate
 *  we check the 32 most significant bits both before and after reading the
 *  32 least significant bits to verify they didn't change as we were reading
 *  the registers.
 **/
static u64 fm10k_read_systime_vf(struct fm10k_hw *hw)
{
	u32 systime_l, systime_h, systime_tmp;

	systime_h = fm10k_read_reg(hw, FM10K_VFSYSTIME + 1);

	do {
		systime_tmp = systime_h;
		systime_l = fm10k_read_reg(hw, FM10K_VFSYSTIME);
		systime_h = fm10k_read_reg(hw, FM10K_VFSYSTIME + 1);
	} while (systime_tmp != systime_h);

	return ((u64)systime_h << 32) | systime_l;
}

static const struct fm10k_msg_data fm10k_msg_data_vf[] = {
	FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test),
	FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_msg_mac_vlan_vf),
	FM10K_VF_MSG_LPORT_STATE_HANDLER(fm10k_msg_lport_state_vf),
	FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error),
};

/**
 *  fm10k_init_ops_vf - Inits func ptrs and MAC type
 *  @hw: pointer to hardware structure
 *
 *  Initialize the function pointers and assign the MAC type for VF.
 *  Does not touch the hardware.
 **/
s32 fm10k_init_ops_vf(struct fm10k_hw *hw)
{
	struct fm10k_mac_info *mac = &hw->mac;

	DEBUGFUNC("fm10k_init_ops_vf");

	fm10k_init_ops_generic(hw);

	mac->ops.reset_hw = &fm10k_reset_hw_vf;
	mac->ops.init_hw = &fm10k_init_hw_vf;
	mac->ops.start_hw = &fm10k_start_hw_generic;
	mac->ops.stop_hw = &fm10k_stop_hw_vf;
#ifndef NO_IS_SLOT_APPROPRIATE_CHECK
	mac->ops.is_slot_appropriate = &fm10k_is_slot_appropriate_vf;
#endif
	mac->ops.update_vlan = &fm10k_update_vlan_vf;
	mac->ops.read_mac_addr = &fm10k_read_mac_addr_vf;
	mac->ops.update_uc_addr = &fm10k_update_uc_addr_vf;
	mac->ops.update_mc_addr = &fm10k_update_mc_addr_vf;
	mac->ops.update_xcast_mode = &fm10k_update_xcast_mode_vf;
	mac->ops.update_int_moderator = &fm10k_update_int_moderator_vf;
	mac->ops.update_lport_state = &fm10k_update_lport_state_vf;
	mac->ops.update_hw_stats = &fm10k_update_hw_stats_vf;
	mac->ops.rebind_hw_stats = &fm10k_rebind_hw_stats_vf;
	mac->ops.configure_dglort_map = &fm10k_configure_dglort_map_vf;
	mac->ops.get_host_state = &fm10k_get_host_state_generic;
	mac->ops.adjust_systime = &fm10k_adjust_systime_vf;
	mac->ops.read_systime = &fm10k_read_systime_vf;

	mac->max_msix_vectors = fm10k_get_pcie_msix_count_generic(hw);

	return fm10k_pfvf_mbx_init(hw, &hw->mbx, fm10k_msg_data_vf, 0);
}