1 files changed, 0 insertions, 341 deletions
diff --git a/drivers/net/ixgbevf/mbx.c b/drivers/net/ixgbevf/mbx.c
deleted file mode 100644
index 7a8833125770..000000000000
--- a/drivers/net/ixgbevf/mbx.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/*******************************************************************************
-
-  Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
-
-  This program is free software; you can redistribute it and/or modify it
-  under the terms and conditions of the GNU General Public License,
-  version 2, as published by the Free Software Foundation.
-
-  This program is distributed in the hope it will be useful, but WITHOUT
-  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-  more details.
-
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
-  The full GNU General Public License is included in this distribution in
-  the file called "COPYING".
-
-  Contact Information:
-  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
-  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
-
-*******************************************************************************/
-
-#include "mbx.h"
-
-/**
- *  ixgbevf_poll_for_msg - Wait for message notification
- *  @hw: pointer to the HW structure
- *
- *  returns 0 if it successfully received a message notification
- **/
-static s32 ixgbevf_poll_for_msg(struct ixgbe_hw *hw)
-{
-	struct ixgbe_mbx_info *mbx = &hw->mbx;
-	int countdown = mbx->timeout;
-
-	while (countdown && mbx->ops.check_for_msg(hw)) {
-		countdown--;
-		udelay(mbx->udelay);
-	}
-
-	/* if we failed, all future posted messages fail until reset */
-	if (!countdown)
-		mbx->timeout = 0;
-
-	return countdown ? 0 : IXGBE_ERR_MBX;
-}
-
-/**
- *  ixgbevf_poll_for_ack - Wait for message acknowledgement
- *  @hw: pointer to the HW structure
- *
- *  returns 0 if it successfully received a message acknowledgement
- **/
-static s32 ixgbevf_poll_for_ack(struct ixgbe_hw *hw)
-{
-	struct ixgbe_mbx_info *mbx = &hw->mbx;
-	int countdown = mbx->timeout;
-
-	while (countdown && mbx->ops.check_for_ack(hw)) {
-		countdown--;
-		udelay(mbx->udelay);
-	}
-
-	/* if we failed, all future posted messages fail until reset */
-	if (!countdown)
-		mbx->timeout = 0;
-
-	return countdown ? 0 : IXGBE_ERR_MBX;
-}
-
-/**
- *  ixgbevf_read_posted_mbx - Wait for message notification and receive message
- *  @hw: pointer to the HW structure
- *  @msg: The message buffer
- *  @size: Length of buffer
- *
- *  returns 0 if it successfully received a message notification and
- *  copied it into the receive buffer.
- **/
-static s32 ixgbevf_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size)
-{
-	struct ixgbe_mbx_info *mbx = &hw->mbx;
-	s32 ret_val = IXGBE_ERR_MBX;
-
-	ret_val = ixgbevf_poll_for_msg(hw);
-
-	/* if ack received read message, otherwise we timed out */
-	if (!ret_val)
-		ret_val = mbx->ops.read(hw, msg, size);
-
-	return ret_val;
-}
-
-/**
- *  ixgbevf_write_posted_mbx - Write a message to the mailbox, wait for ack
- *  @hw: pointer to the HW structure
- *  @msg: The message buffer
- *  @size: Length of buffer
- *
- *  returns 0 if it successfully copied message into the buffer and
- *  received an ack to that message within delay * timeout period
- **/
-static s32 ixgbevf_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size)
-{
-	struct ixgbe_mbx_info *mbx = &hw->mbx;
-	s32 ret_val;
-
-	/* send msg */
-	ret_val = mbx->ops.write(hw, msg, size);
-
-	/* if msg sent wait until we receive an ack */
-	if (!ret_val)
-		ret_val = ixgbevf_poll_for_ack(hw);
-
-	return ret_val;
-}
-
-/**
- *  ixgbevf_read_v2p_mailbox - read v2p mailbox
- *  @hw: pointer to the HW structure
- *
- *  This function is used to read the v2p mailbox without losing the read to
- *  clear status bits.
- **/
-static u32 ixgbevf_read_v2p_mailbox(struct ixgbe_hw *hw)
-{
-	u32 v2p_mailbox = IXGBE_READ_REG(hw, IXGBE_VFMAILBOX);
-
-	v2p_mailbox |= hw->mbx.v2p_mailbox;
-	hw->mbx.v2p_mailbox |= v2p_mailbox & IXGBE_VFMAILBOX_R2C_BITS;
-
-	return v2p_mailbox;
-}
-
-/**
- *  ixgbevf_check_for_bit_vf - Determine if a status bit was set
- *  @hw: pointer to the HW structure
- *  @mask: bitmask for bits to be tested and cleared
- *
- *  This function is used to check for the read to clear bits within
- *  the V2P mailbox.
- **/
-static s32 ixgbevf_check_for_bit_vf(struct ixgbe_hw *hw, u32 mask)
-{
-	u32 v2p_mailbox = ixgbevf_read_v2p_mailbox(hw);
-	s32 ret_val = IXGBE_ERR_MBX;
-
-	if (v2p_mailbox & mask)
-		ret_val = 0;
-
-	hw->mbx.v2p_mailbox &= ~mask;
-
-	return ret_val;
-}
-
-/**
- *  ixgbevf_check_for_msg_vf - checks to see if the PF has sent mail
- *  @hw: pointer to the HW structure
- *
- *  returns 0 if the PF has set the Status bit or else ERR_MBX
- **/
-static s32 ixgbevf_check_for_msg_vf(struct ixgbe_hw *hw)
-{
-	s32 ret_val = IXGBE_ERR_MBX;
-
-	if (!ixgbevf_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFSTS)) {
-		ret_val = 0;
-		hw->mbx.stats.reqs++;
-	}
-
-	return ret_val;
-}
-
-/**
- *  ixgbevf_check_for_ack_vf - checks to see if the PF has ACK'd
- *  @hw: pointer to the HW structure
- *
- *  returns 0 if the PF has set the ACK bit or else ERR_MBX
- **/
-static s32 ixgbevf_check_for_ack_vf(struct ixgbe_hw *hw)
-{
-	s32 ret_val = IXGBE_ERR_MBX;
-
-	if (!ixgbevf_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFACK)) {
-		ret_val = 0;
-		hw->mbx.stats.acks++;
-	}
-
-	return ret_val;
-}
-
-/**
- *  ixgbevf_check_for_rst_vf - checks to see if the PF has reset
- *  @hw: pointer to the HW structure
- *
- *  returns true if the PF has set the reset done bit or else false
- **/
-static s32 ixgbevf_check_for_rst_vf(struct ixgbe_hw *hw)
-{
-	s32 ret_val = IXGBE_ERR_MBX;
-
-	if (!ixgbevf_check_for_bit_vf(hw, (IXGBE_VFMAILBOX_RSTD |
-					 IXGBE_VFMAILBOX_RSTI))) {
-		ret_val = 0;
-		hw->mbx.stats.rsts++;
-	}
-
-	return ret_val;
-}
-
-/**
- *  ixgbevf_obtain_mbx_lock_vf - obtain mailbox lock
- *  @hw: pointer to the HW structure
- *
- *  return 0 if we obtained the mailbox lock
- **/
-static s32 ixgbevf_obtain_mbx_lock_vf(struct ixgbe_hw *hw)
-{
-	s32 ret_val = IXGBE_ERR_MBX;
-
-	/* Take ownership of the buffer */
-	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_VFU);
-
-	/* reserve mailbox for vf use */
-	if (ixgbevf_read_v2p_mailbox(hw) & IXGBE_VFMAILBOX_VFU)
-		ret_val = 0;
-
-	return ret_val;
-}
-
-/**
- *  ixgbevf_write_mbx_vf - Write a message to the mailbox
- *  @hw: pointer to the HW structure
- *  @msg: The message buffer
- *  @size: Length of buffer
- *
- *  returns 0 if it successfully copied message into the buffer
- **/
-static s32 ixgbevf_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
-{
-	s32 ret_val;
-	u16 i;
-
-
-	/* lock the mailbox to prevent pf/vf race condition */
-	ret_val = ixgbevf_obtain_mbx_lock_vf(hw);
-	if (ret_val)
-		goto out_no_write;
-
-	/* flush msg and acks as we are overwriting the message buffer */
-	ixgbevf_check_for_msg_vf(hw);
-	ixgbevf_check_for_ack_vf(hw);
-
-	/* copy the caller specified message to the mailbox memory buffer */
-	for (i = 0; i < size; i++)
-		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
-
-	/* update stats */
-	hw->mbx.stats.msgs_tx++;
-
-	/* Drop VFU and interrupt the PF to tell it a message has been sent */
-	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_REQ);
-
-out_no_write:
-	return ret_val;
-}
-
-/**
- *  ixgbevf_read_mbx_vf - Reads a message from the inbox intended for vf
- *  @hw: pointer to the HW structure
- *  @msg: The message buffer
- *  @size: Length of buffer
- *
- *  returns 0 if it successfuly read message from buffer
- **/
-static s32 ixgbevf_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
-{
-	s32 ret_val = 0;
-	u16 i;
-
-	/* lock the mailbox to prevent pf/vf race condition */
-	ret_val = ixgbevf_obtain_mbx_lock_vf(hw);
-	if (ret_val)
-		goto out_no_read;
-
-	/* copy the message from the mailbox memory buffer */
-	for (i = 0; i < size; i++)
-		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_VFMBMEM, i);
-
-	/* Acknowledge receipt and release mailbox, then we're done */
-	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_ACK);
-
-	/* update stats */
-	hw->mbx.stats.msgs_rx++;
-
-out_no_read:
-	return ret_val;
-}
-
-/**
- *  ixgbevf_init_mbx_params_vf - set initial values for vf mailbox
- *  @hw: pointer to the HW structure
- *
- *  Initializes the hw->mbx struct to correct values for vf mailbox
- */
-static s32 ixgbevf_init_mbx_params_vf(struct ixgbe_hw *hw)
-{
-	struct ixgbe_mbx_info *mbx = &hw->mbx;
-
-	/* start mailbox as timed out and let the reset_hw call set the timeout
-	 * value to begin communications */
-	mbx->timeout = 0;
-	mbx->udelay = IXGBE_VF_MBX_INIT_DELAY;
-
-	mbx->size = IXGBE_VFMAILBOX_SIZE;
-
-	mbx->stats.msgs_tx = 0;
-	mbx->stats.msgs_rx = 0;
-	mbx->stats.reqs = 0;
-	mbx->stats.acks = 0;
-	mbx->stats.rsts = 0;
-
-	return 0;
-}
-
-struct ixgbe_mbx_operations ixgbevf_mbx_ops = {
-	.init_params   = ixgbevf_init_mbx_params_vf,
-	.read          = ixgbevf_read_mbx_vf,
-	.write         = ixgbevf_write_mbx_vf,
-	.read_posted   = ixgbevf_read_posted_mbx,
-	.write_posted  = ixgbevf_write_posted_mbx,
-	.check_for_msg = ixgbevf_check_for_msg_vf,
-	.check_for_ack = ixgbevf_check_for_ack_vf,
-	.check_for_rst = ixgbevf_check_for_rst_vf,
-};
-