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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/drivers/net/intelvf.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/intelvf.c')
-rw-r--r--qemu/roms/ipxe/src/drivers/net/intelvf.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/intelvf.c b/qemu/roms/ipxe/src/drivers/net/intelvf.c
deleted file mode 100644
index ac6fea745..000000000
--- a/qemu/roms/ipxe/src/drivers/net/intelvf.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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 Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <ipxe/io.h>
-#include <ipxe/netdevice.h>
-#include <ipxe/ethernet.h>
-#include "intelvf.h"
-
-/** @file
- *
- * Intel 10/100/1000 virtual function network card driver
- *
- */
-
-/******************************************************************************
- *
- * Mailbox messages
- *
- ******************************************************************************
- */
-
-/**
- * Write message to mailbox
- *
- * @v intel Intel device
- * @v msg Message
- */
-static void intelvf_mbox_write ( struct intel_nic *intel,
- const union intelvf_msg *msg ) {
- unsigned int i;
-
- /* Write message */
- DBGC2 ( intel, "INTEL %p sending message", intel );
- for ( i = 0 ; i < ( sizeof ( *msg ) / sizeof ( msg->dword[0] ) ) ; i++){
- DBGC2 ( intel, "%c%08x", ( i ? ':' : ' ' ), msg->dword[i] );
- writel ( msg->dword[i], ( intel->regs + intel->mbox.mem +
- ( i * sizeof ( msg->dword[0] ) ) ) );
- }
- DBGC2 ( intel, "\n" );
-}
-
-/**
- * Read message from mailbox
- *
- * @v intel Intel device
- * @v msg Message
- */
-static void intelvf_mbox_read ( struct intel_nic *intel,
- union intelvf_msg *msg ) {
- unsigned int i;
-
- /* Read message */
- DBGC2 ( intel, "INTEL %p received message", intel );
- for ( i = 0 ; i < ( sizeof ( *msg ) / sizeof ( msg->dword[0] ) ) ; i++){
- msg->dword[i] = readl ( intel->regs + intel->mbox.mem +
- ( i * sizeof ( msg->dword[0] ) ) );
- DBGC2 ( intel, "%c%08x", ( i ? ':' : ' ' ), msg->dword[i] );
- }
- DBGC2 ( intel, "\n" );
-}
-
-/**
- * Poll mailbox
- *
- * @v intel Intel device
- * @ret rc Return status code
- *
- * Note that polling the mailbox may fail if the underlying PF is
- * reset.
- */
-int intelvf_mbox_poll ( struct intel_nic *intel ) {
- struct intel_mailbox *mbox = &intel->mbox;
- union intelvf_msg msg;
- uint32_t ctrl;
-
- /* Get mailbox status */
- ctrl = readl ( intel->regs + mbox->ctrl );
-
- /* Fail if a reset is in progress */
- if ( ctrl & INTELVF_MBCTRL_RSTI )
- return -EPIPE;
-
- /* Acknowledge (and ignore) any received messages */
- if ( ctrl & INTELVF_MBCTRL_PFSTS ) {
- intelvf_mbox_read ( intel, &msg );
- writel ( INTELVF_MBCTRL_ACK, intel->regs + mbox->ctrl );
- }
-
- return 0;
-}
-
-/**
- * Wait for PF reset to complete
- *
- * @v intel Intel device
- * @ret rc Return status code
- */
-int intelvf_mbox_wait ( struct intel_nic *intel ) {
- unsigned int i;
- int rc;
-
- /* Wait until a poll completes successfully */
- for ( i = 0 ; i < INTELVF_MBOX_MAX_WAIT_MS ; i++ ) {
-
- /* Check for successful poll */
- if ( ( rc = intelvf_mbox_poll ( intel ) ) == 0 )
- return 0;
-
- /* Delay */
- mdelay ( 1 );
- }
-
- DBGC ( intel, "INTEL %p timed out waiting for reset\n", intel );
- return -ETIMEDOUT;
-}
-
-/**
- * Send/receive mailbox message
- *
- * @v intel Intel device
- * @v msg Message buffer
- * @ret rc Return status code
- */
-int intelvf_mbox_msg ( struct intel_nic *intel, union intelvf_msg *msg ) {
- struct intel_mailbox *mbox = &intel->mbox;
- uint32_t ctrl;
- uint32_t seen = 0;
- unsigned int i;
-
- /* Sanity check */
- assert ( ! ( msg->hdr & INTELVF_MSG_RESPONSE ) );
-
- /* Handle mailbox */
- for ( i = 0 ; i < INTELVF_MBOX_MAX_WAIT_MS ; i++ ) {
-
- /* Attempt to claim mailbox, if we have not yet sent
- * our message.
- */
- if ( ! ( seen & INTELVF_MBCTRL_VFU ) )
- writel ( INTELVF_MBCTRL_VFU, intel->regs + mbox->ctrl );
-
- /* Get mailbox status and record observed flags */
- ctrl = readl ( intel->regs + mbox->ctrl );
- seen |= ctrl;
-
- /* If a reset is in progress, clear VFU and abort */
- if ( ctrl & INTELVF_MBCTRL_RSTI ) {
- writel ( 0, intel->regs + mbox->ctrl );
- return -EPIPE;
- }
-
- /* Write message to mailbox, if applicable. This
- * potentially overwrites a message sent by the PF (if
- * the PF has simultaneously released PFU (thus
- * allowing our VFU) and asserted PFSTS), but that
- * doesn't really matter since there are no
- * unsolicited PF->VF messages that require the actual
- * message content to be observed.
- */
- if ( ctrl & INTELVF_MBCTRL_VFU )
- intelvf_mbox_write ( intel, msg );
-
- /* Read message from mailbox, if applicable. */
- if ( ( seen & INTELVF_MBCTRL_VFU ) &&
- ( seen & INTELVF_MBCTRL_PFACK ) &&
- ( ctrl & INTELVF_MBCTRL_PFSTS ) )
- intelvf_mbox_read ( intel, msg );
-
- /* Acknowledge received message (if applicable),
- * release VFU lock, and send message (if applicable).
- */
- ctrl = ( ( ( ctrl & INTELVF_MBCTRL_PFSTS ) ?
- INTELVF_MBCTRL_ACK : 0 ) |
- ( ( ctrl & INTELVF_MBCTRL_VFU ) ?
- INTELVF_MBCTRL_REQ : 0 ) );
- writel ( ctrl, intel->regs + mbox->ctrl );
-
- /* Exit successfully if we have received a response */
- if ( msg->hdr & INTELVF_MSG_RESPONSE ) {
-
- /* Sanity check */
- assert ( seen & INTELVF_MBCTRL_VFU );
- assert ( seen & INTELVF_MBCTRL_PFACK );
- assert ( seen & INTELVF_MBCTRL_PFSTS );
-
- return 0;
- }
-
- /* Delay */
- mdelay ( 1 );
- }
-
- DBGC ( intel, "INTEL %p timed out waiting for mailbox (seen %08x)\n",
- intel, seen );
- return -ETIMEDOUT;
-}
-
-/**
- * Send reset message and get initial MAC address
- *
- * @v intel Intel device
- * @v hw_addr Hardware address to fill in, or NULL
- * @ret rc Return status code
- */
-int intelvf_mbox_reset ( struct intel_nic *intel, uint8_t *hw_addr ) {
- union intelvf_msg msg;
- int rc;
-
- /* Send reset message */
- memset ( &msg, 0, sizeof ( msg ) );
- msg.hdr = INTELVF_MSG_TYPE_RESET;
- if ( ( rc = intelvf_mbox_msg ( intel, &msg ) ) != 0 ) {
- DBGC ( intel, "INTEL %p reset failed: %s\n",
- intel, strerror ( rc ) );
- return rc;
- }
-
- /* Check response */
- if ( ( msg.hdr & INTELVF_MSG_TYPE_MASK ) != INTELVF_MSG_TYPE_RESET ) {
- DBGC ( intel, "INTEL %p reset unexpected response:\n", intel );
- DBGC_HDA ( intel, 0, &msg, sizeof ( msg ) );
- return -EPROTO;
- }
-
- /* Fill in MAC address, if applicable */
- if ( hw_addr ) {
- if ( msg.hdr & INTELVF_MSG_ACK ) {
- memcpy ( hw_addr, msg.mac.mac, sizeof ( msg.mac.mac ) );
- DBGC ( intel, "INTEL %p reset assigned MAC address "
- "%s\n", intel, eth_ntoa ( hw_addr ) );
- } else {
- eth_random_addr ( hw_addr );
- DBGC ( intel, "INTEL %p reset generated MAC address "
- "%s\n", intel, eth_ntoa ( hw_addr ) );
- }
- }
-
- return 0;
-}
-
-/**
- * Send set MAC address message
- *
- * @v intel Intel device
- * @v ll_addr Link-layer address
- * @ret rc Return status code
- */
-int intelvf_mbox_set_mac ( struct intel_nic *intel, const uint8_t *ll_addr ) {
- union intelvf_msg msg;
- int rc;
-
- /* Send set MAC address message */
- memset ( &msg, 0, sizeof ( msg ) );
- msg.hdr = INTELVF_MSG_TYPE_SET_MAC;
- memcpy ( msg.mac.mac, ll_addr, sizeof ( msg.mac.mac ) );
- if ( ( rc = intelvf_mbox_msg ( intel, &msg ) ) != 0 ) {
- DBGC ( intel, "INTEL %p set MAC address failed: %s\n",
- intel, strerror ( rc ) );
- return rc;
- }
-
- /* Check response */
- if ( ( msg.hdr & INTELVF_MSG_TYPE_MASK ) != INTELVF_MSG_TYPE_SET_MAC ) {
- DBGC ( intel, "INTEL %p set MAC address unexpected response:\n",
- intel );
- DBGC_HDA ( intel, 0, &msg, sizeof ( msg ) );
- return -EPROTO;
- }
-
- /* Check that we were allowed to set the MAC address */
- if ( ! ( msg.hdr & INTELVF_MSG_ACK ) ) {
- DBGC ( intel, "INTEL %p set MAC address refused\n", intel );
- return -EPERM;
- }
-
- return 0;
-}
-
-/**
- * Send set MTU message
- *
- * @v intel Intel device
- * @v mtu Maximum packet size
- * @ret rc Return status code
- */
-int intelvf_mbox_set_mtu ( struct intel_nic *intel, size_t mtu ) {
- union intelvf_msg msg;
- int rc;
-
- /* Send set MTU message */
- memset ( &msg, 0, sizeof ( msg ) );
- msg.hdr = INTELVF_MSG_TYPE_SET_MTU;
- msg.mtu.mtu = mtu;
- if ( ( rc = intelvf_mbox_msg ( intel, &msg ) ) != 0 ) {
- DBGC ( intel, "INTEL %p set MTU failed: %s\n",
- intel, strerror ( rc ) );
- return rc;
- }
-
- /* Check response */
- if ( ( msg.hdr & INTELVF_MSG_TYPE_MASK ) != INTELVF_MSG_TYPE_SET_MTU ) {
- DBGC ( intel, "INTEL %p set MTU unexpected response:\n",
- intel );
- DBGC_HDA ( intel, 0, &msg, sizeof ( msg ) );
- return -EPROTO;
- }
-
- /* Check that we were allowed to set the MTU */
- if ( ! ( msg.hdr & INTELVF_MSG_ACK ) ) {
- DBGC ( intel, "INTEL %p set MTU refused\n", intel );
- return -EPERM;
- }
-
- return 0;
-}