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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/vmxnet3.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/vmxnet3.c')
-rw-r--r--qemu/roms/ipxe/src/drivers/net/vmxnet3.c716
1 files changed, 0 insertions, 716 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/vmxnet3.c b/qemu/roms/ipxe/src/drivers/net/vmxnet3.c
deleted file mode 100644
index 8d4f4b843..000000000
--- a/qemu/roms/ipxe/src/drivers/net/vmxnet3.c
+++ /dev/null
@@ -1,716 +0,0 @@
-/*
- * Copyright (C) 2011 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 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 <stdint.h>
-#include <errno.h>
-#include <assert.h>
-#include <byteswap.h>
-#include <ipxe/pci.h>
-#include <ipxe/io.h>
-#include <ipxe/malloc.h>
-#include <ipxe/profile.h>
-#include <ipxe/iobuf.h>
-#include <ipxe/netdevice.h>
-#include <ipxe/if_ether.h>
-#include <ipxe/ethernet.h>
-#include "vmxnet3.h"
-
-/**
- * @file
- *
- * VMware vmxnet3 virtual NIC driver
- *
- */
-
-/** VM command profiler */
-static struct profiler vmxnet3_vm_command_profiler __profiler =
- { .name = "vmxnet3.vm_command" };
-
-/** VM transmit profiler */
-static struct profiler vmxnet3_vm_tx_profiler __profiler =
- { .name = "vmxnet3.vm_tx" };
-
-/** VM receive refill profiler */
-static struct profiler vmxnet3_vm_refill_profiler __profiler =
- { .name = "vmxnet3.vm_refill" };
-
-/** VM event profiler */
-static struct profiler vmxnet3_vm_event_profiler __profiler =
- { .name = "vmxnet3.vm_event" };
-
-/**
- * Issue command
- *
- * @v vmxnet vmxnet3 NIC
- * @v command Command to issue
- * @ret result Command result
- */
-static inline uint32_t vmxnet3_command ( struct vmxnet3_nic *vmxnet,
- uint32_t command ) {
- uint32_t result;
-
- /* Issue command */
- profile_start ( &vmxnet3_vm_command_profiler );
- writel ( command, ( vmxnet->vd + VMXNET3_VD_CMD ) );
- result = readl ( vmxnet->vd + VMXNET3_VD_CMD );
- profile_stop ( &vmxnet3_vm_command_profiler );
- profile_exclude ( &vmxnet3_vm_command_profiler );
-
- return result;
-}
-
-/**
- * Transmit packet
- *
- * @v netdev Network device
- * @v iobuf I/O buffer
- * @ret rc Return status code
- */
-static int vmxnet3_transmit ( struct net_device *netdev,
- struct io_buffer *iobuf ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- struct vmxnet3_tx_desc *tx_desc;
- unsigned int desc_idx;
- unsigned int generation;
-
- /* Check that we have a free transmit descriptor */
- desc_idx = ( vmxnet->count.tx_prod % VMXNET3_NUM_TX_DESC );
- generation = ( ( vmxnet->count.tx_prod & VMXNET3_NUM_TX_DESC ) ?
- 0 : cpu_to_le32 ( VMXNET3_TXF_GEN ) );
- if ( vmxnet->tx_iobuf[desc_idx] ) {
- DBGC ( vmxnet, "VMXNET3 %p out of transmit descriptors\n",
- vmxnet );
- return -ENOBUFS;
- }
-
- /* Increment producer counter */
- vmxnet->count.tx_prod++;
-
- /* Store I/O buffer for later completion */
- vmxnet->tx_iobuf[desc_idx] = iobuf;
-
- /* Populate transmit descriptor */
- tx_desc = &vmxnet->dma->tx_desc[desc_idx];
- tx_desc->address = cpu_to_le64 ( virt_to_bus ( iobuf->data ) );
- tx_desc->flags[0] = ( generation | cpu_to_le32 ( iob_len ( iobuf ) ) );
- tx_desc->flags[1] = cpu_to_le32 ( VMXNET3_TXF_CQ | VMXNET3_TXF_EOP );
-
- /* Hand over descriptor to NIC */
- wmb();
- profile_start ( &vmxnet3_vm_tx_profiler );
- writel ( ( vmxnet->count.tx_prod % VMXNET3_NUM_TX_DESC ),
- ( vmxnet->pt + VMXNET3_PT_TXPROD ) );
- profile_stop ( &vmxnet3_vm_tx_profiler );
- profile_exclude ( &vmxnet3_vm_tx_profiler );
-
- return 0;
-}
-
-/**
- * Poll for completed transmissions
- *
- * @v netdev Network device
- */
-static void vmxnet3_poll_tx ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- struct vmxnet3_tx_comp *tx_comp;
- struct io_buffer *iobuf;
- unsigned int comp_idx;
- unsigned int desc_idx;
- unsigned int generation;
-
- while ( 1 ) {
-
- /* Look for completed descriptors */
- comp_idx = ( vmxnet->count.tx_cons % VMXNET3_NUM_TX_COMP );
- generation = ( ( vmxnet->count.tx_cons & VMXNET3_NUM_TX_COMP ) ?
- 0 : cpu_to_le32 ( VMXNET3_TXCF_GEN ) );
- tx_comp = &vmxnet->dma->tx_comp[comp_idx];
- if ( generation != ( tx_comp->flags &
- cpu_to_le32 ( VMXNET3_TXCF_GEN ) ) ) {
- break;
- }
-
- /* Increment consumer counter */
- vmxnet->count.tx_cons++;
-
- /* Locate corresponding transmit descriptor */
- desc_idx = ( le32_to_cpu ( tx_comp->index ) %
- VMXNET3_NUM_TX_DESC );
- iobuf = vmxnet->tx_iobuf[desc_idx];
- if ( ! iobuf ) {
- DBGC ( vmxnet, "VMXNET3 %p completed on empty transmit "
- "buffer %#x/%#x\n", vmxnet, comp_idx, desc_idx );
- netdev_tx_err ( netdev, NULL, -ENOTTY );
- continue;
- }
-
- /* Remove I/O buffer from transmit queue */
- vmxnet->tx_iobuf[desc_idx] = NULL;
-
- /* Report transmission completion to network layer */
- DBGC2 ( vmxnet, "VMXNET3 %p completed TX %#x/%#x (len %#zx)\n",
- vmxnet, comp_idx, desc_idx, iob_len ( iobuf ) );
- netdev_tx_complete ( netdev, iobuf );
- }
-}
-
-/**
- * Flush any uncompleted transmit buffers
- *
- * @v netdev Network device
- */
-static void vmxnet3_flush_tx ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- unsigned int i;
-
- for ( i = 0 ; i < VMXNET3_NUM_TX_DESC ; i++ ) {
- if ( vmxnet->tx_iobuf[i] ) {
- netdev_tx_complete_err ( netdev, vmxnet->tx_iobuf[i],
- -ECANCELED );
- vmxnet->tx_iobuf[i] = NULL;
- }
- }
-}
-
-/**
- * Refill receive ring
- *
- * @v netdev Network device
- */
-static void vmxnet3_refill_rx ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- struct vmxnet3_rx_desc *rx_desc;
- struct io_buffer *iobuf;
- unsigned int orig_rx_prod = vmxnet->count.rx_prod;
- unsigned int desc_idx;
- unsigned int generation;
-
- /* Fill receive ring to specified fill level */
- while ( vmxnet->count.rx_fill < VMXNET3_RX_FILL ) {
-
- /* Locate receive descriptor */
- desc_idx = ( vmxnet->count.rx_prod % VMXNET3_NUM_RX_DESC );
- generation = ( ( vmxnet->count.rx_prod & VMXNET3_NUM_RX_DESC ) ?
- 0 : cpu_to_le32 ( VMXNET3_RXF_GEN ) );
- assert ( vmxnet->rx_iobuf[desc_idx] == NULL );
-
- /* Allocate I/O buffer */
- iobuf = alloc_iob ( VMXNET3_MTU + NET_IP_ALIGN );
- if ( ! iobuf ) {
- /* Non-fatal low memory condition */
- break;
- }
- iob_reserve ( iobuf, NET_IP_ALIGN );
-
- /* Increment producer counter and fill level */
- vmxnet->count.rx_prod++;
- vmxnet->count.rx_fill++;
-
- /* Store I/O buffer for later completion */
- vmxnet->rx_iobuf[desc_idx] = iobuf;
-
- /* Populate receive descriptor */
- rx_desc = &vmxnet->dma->rx_desc[desc_idx];
- rx_desc->address = cpu_to_le64 ( virt_to_bus ( iobuf->data ) );
- rx_desc->flags = ( generation | cpu_to_le32 ( VMXNET3_MTU ) );
-
- }
-
- /* Hand over any new descriptors to NIC */
- if ( vmxnet->count.rx_prod != orig_rx_prod ) {
- wmb();
- profile_start ( &vmxnet3_vm_refill_profiler );
- writel ( ( vmxnet->count.rx_prod % VMXNET3_NUM_RX_DESC ),
- ( vmxnet->pt + VMXNET3_PT_RXPROD ) );
- profile_stop ( &vmxnet3_vm_refill_profiler );
- profile_exclude ( &vmxnet3_vm_refill_profiler );
- }
-}
-
-/**
- * Poll for received packets
- *
- * @v netdev Network device
- */
-static void vmxnet3_poll_rx ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- struct vmxnet3_rx_comp *rx_comp;
- struct io_buffer *iobuf;
- unsigned int comp_idx;
- unsigned int desc_idx;
- unsigned int generation;
- size_t len;
-
- while ( 1 ) {
-
- /* Look for completed descriptors */
- comp_idx = ( vmxnet->count.rx_cons % VMXNET3_NUM_RX_COMP );
- generation = ( ( vmxnet->count.rx_cons & VMXNET3_NUM_RX_COMP ) ?
- 0 : cpu_to_le32 ( VMXNET3_RXCF_GEN ) );
- rx_comp = &vmxnet->dma->rx_comp[comp_idx];
- if ( generation != ( rx_comp->flags &
- cpu_to_le32 ( VMXNET3_RXCF_GEN ) ) ) {
- break;
- }
-
- /* Increment consumer counter */
- vmxnet->count.rx_cons++;
-
- /* Locate corresponding receive descriptor */
- desc_idx = ( le32_to_cpu ( rx_comp->index ) %
- VMXNET3_NUM_RX_DESC );
- iobuf = vmxnet->rx_iobuf[desc_idx];
- if ( ! iobuf ) {
- DBGC ( vmxnet, "VMXNET3 %p completed on empty receive "
- "buffer %#x/%#x\n", vmxnet, comp_idx, desc_idx );
- netdev_rx_err ( netdev, NULL, -ENOTTY );
- continue;
- }
-
- /* Remove I/O buffer from receive queue */
- vmxnet->rx_iobuf[desc_idx] = NULL;
- vmxnet->count.rx_fill--;
-
- /* Deliver packet to network layer */
- len = ( le32_to_cpu ( rx_comp->len ) &
- ( VMXNET3_MAX_PACKET_LEN - 1 ) );
- DBGC2 ( vmxnet, "VMXNET3 %p completed RX %#x/%#x (len %#zx)\n",
- vmxnet, comp_idx, desc_idx, len );
- iob_put ( iobuf, len );
- netdev_rx ( netdev, iobuf );
- }
-}
-
-/**
- * Flush any uncompleted receive buffers
- *
- * @v netdev Network device
- */
-static void vmxnet3_flush_rx ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- struct io_buffer *iobuf;
- unsigned int i;
-
- for ( i = 0 ; i < VMXNET3_NUM_RX_DESC ; i++ ) {
- if ( ( iobuf = vmxnet->rx_iobuf[i] ) != NULL ) {
- netdev_rx_err ( netdev, iobuf, -ECANCELED );
- vmxnet->rx_iobuf[i] = NULL;
- }
- }
-}
-
-/**
- * Check link state
- *
- * @v netdev Network device
- */
-static void vmxnet3_check_link ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- uint32_t state;
- int link_up;
- unsigned int link_speed;
-
- /* Get link state */
- state = vmxnet3_command ( vmxnet, VMXNET3_CMD_GET_LINK );
- link_up = ( state & 1 );
- link_speed = ( state >> 16 );
-
- /* Report link state to network device */
- if ( link_up ) {
- DBGC ( vmxnet, "VMXNET3 %p link is up at %d Mbps\n",
- vmxnet, link_speed );
- netdev_link_up ( netdev );
- } else {
- DBGC ( vmxnet, "VMXNET3 %p link is down\n", vmxnet );
- netdev_link_down ( netdev );
- }
-}
-
-/**
- * Poll for events
- *
- * @v netdev Network device
- */
-static void vmxnet3_poll_events ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- uint32_t events;
-
- /* Do nothing unless there are events to process */
- if ( ! vmxnet->dma->shared.ecr )
- return;
- events = le32_to_cpu ( vmxnet->dma->shared.ecr );
-
- /* Acknowledge these events */
- profile_start ( &vmxnet3_vm_event_profiler );
- writel ( events, ( vmxnet->vd + VMXNET3_VD_ECR ) );
- profile_stop ( &vmxnet3_vm_event_profiler );
- profile_exclude ( &vmxnet3_vm_event_profiler );
-
- /* Check for link state change */
- if ( events & VMXNET3_ECR_LINK ) {
- vmxnet3_check_link ( netdev );
- events &= ~VMXNET3_ECR_LINK;
- }
-
- /* Check for queue errors */
- if ( events & ( VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR ) ) {
- vmxnet3_command ( vmxnet, VMXNET3_CMD_GET_QUEUE_STATUS );
- DBGC ( vmxnet, "VMXNET3 %p queue error status (TX %08x, RX "
- "%08x)\n", vmxnet,
- le32_to_cpu ( vmxnet->dma->queues.tx.status.error ),
- le32_to_cpu ( vmxnet->dma->queues.rx.status.error ) );
- /* Report errors to allow for visibility via "ifstat" */
- if ( events & VMXNET3_ECR_TQERR )
- netdev_tx_err ( netdev, NULL, -EPIPE );
- if ( events & VMXNET3_ECR_RQERR )
- netdev_rx_err ( netdev, NULL, -EPIPE );
- events &= ~( VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR );
- }
-
- /* Check for unknown events */
- if ( events ) {
- DBGC ( vmxnet, "VMXNET3 %p unknown events %08x\n",
- vmxnet, events );
- /* Report error to allow for visibility via "ifstat" */
- netdev_rx_err ( netdev, NULL, -ENODEV );
- }
-}
-
-/**
- * Poll network device
- *
- * @v netdev Network device
- */
-static void vmxnet3_poll ( struct net_device *netdev ) {
-
- vmxnet3_poll_events ( netdev );
- vmxnet3_poll_tx ( netdev );
- vmxnet3_poll_rx ( netdev );
- vmxnet3_refill_rx ( netdev );
-}
-
-/**
- * Enable/disable interrupts
- *
- * @v netdev Network device
- * @v enable Interrupts should be enabled
- */
-static void vmxnet3_irq ( struct net_device *netdev, int enable ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
-
- DBGC ( vmxnet, "VMXNET3 %p %s IRQ not implemented\n",
- vmxnet, ( enable ? "enable" : "disable" ) );
-}
-
-/**
- * Set MAC address
- *
- * @v vmxnet vmxnet3 NIC
- * @v ll_addr Link-layer address to set
- */
-static void vmxnet3_set_ll_addr ( struct vmxnet3_nic *vmxnet,
- const void *ll_addr ) {
- struct {
- uint32_t low;
- uint32_t high;
- } __attribute__ (( packed )) mac;
-
- memset ( &mac, 0, sizeof ( mac ) );
- memcpy ( &mac, ll_addr, ETH_ALEN );
- writel ( cpu_to_le32 ( mac.low ), ( vmxnet->vd + VMXNET3_VD_MACL ) );
- writel ( cpu_to_le32 ( mac.high ), ( vmxnet->vd + VMXNET3_VD_MACH ) );
-}
-
-/**
- * Open NIC
- *
- * @v netdev Network device
- * @ret rc Return status code
- */
-static int vmxnet3_open ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
- struct vmxnet3_shared *shared;
- struct vmxnet3_queues *queues;
- uint64_t shared_bus;
- uint64_t queues_bus;
- uint32_t status;
- int rc;
-
- /* Allocate DMA areas */
- vmxnet->dma = malloc_dma ( sizeof ( *vmxnet->dma ), VMXNET3_DMA_ALIGN );
- if ( ! vmxnet->dma ) {
- DBGC ( vmxnet, "VMXNET3 %p could not allocate DMA area\n",
- vmxnet );
- rc = -ENOMEM;
- goto err_alloc_dma;
- }
- memset ( vmxnet->dma, 0, sizeof ( *vmxnet->dma ) );
-
- /* Populate queue descriptors */
- queues = &vmxnet->dma->queues;
- queues->tx.cfg.desc_address =
- cpu_to_le64 ( virt_to_bus ( &vmxnet->dma->tx_desc ) );
- queues->tx.cfg.comp_address =
- cpu_to_le64 ( virt_to_bus ( &vmxnet->dma->tx_comp ) );
- queues->tx.cfg.num_desc = cpu_to_le32 ( VMXNET3_NUM_TX_DESC );
- queues->tx.cfg.num_comp = cpu_to_le32 ( VMXNET3_NUM_TX_COMP );
- queues->rx.cfg.desc_address[0] =
- cpu_to_le64 ( virt_to_bus ( &vmxnet->dma->rx_desc ) );
- queues->rx.cfg.comp_address =
- cpu_to_le64 ( virt_to_bus ( &vmxnet->dma->rx_comp ) );
- queues->rx.cfg.num_desc[0] = cpu_to_le32 ( VMXNET3_NUM_RX_DESC );
- queues->rx.cfg.num_comp = cpu_to_le32 ( VMXNET3_NUM_RX_COMP );
- queues_bus = virt_to_bus ( queues );
- DBGC ( vmxnet, "VMXNET3 %p queue descriptors at %08llx+%zx\n",
- vmxnet, queues_bus, sizeof ( *queues ) );
-
- /* Populate shared area */
- shared = &vmxnet->dma->shared;
- shared->magic = cpu_to_le32 ( VMXNET3_SHARED_MAGIC );
- shared->misc.version = cpu_to_le32 ( VMXNET3_VERSION_MAGIC );
- shared->misc.version_support = cpu_to_le32 ( VMXNET3_VERSION_SELECT );
- shared->misc.upt_version_support =
- cpu_to_le32 ( VMXNET3_UPT_VERSION_SELECT );
- shared->misc.queue_desc_address = cpu_to_le64 ( queues_bus );
- shared->misc.queue_desc_len = cpu_to_le32 ( sizeof ( *queues ) );
- shared->misc.mtu = cpu_to_le32 ( VMXNET3_MTU );
- shared->misc.num_tx_queues = 1;
- shared->misc.num_rx_queues = 1;
- shared->interrupt.num_intrs = 1;
- shared->interrupt.control = cpu_to_le32 ( VMXNET3_IC_DISABLE_ALL );
- shared->rx_filter.mode = cpu_to_le32 ( VMXNET3_RXM_UCAST |
- VMXNET3_RXM_BCAST |
- VMXNET3_RXM_ALL_MULTI );
- shared_bus = virt_to_bus ( shared );
- DBGC ( vmxnet, "VMXNET3 %p shared area at %08llx+%zx\n",
- vmxnet, shared_bus, sizeof ( *shared ) );
-
- /* Zero counters */
- memset ( &vmxnet->count, 0, sizeof ( vmxnet->count ) );
-
- /* Set MAC address */
- vmxnet3_set_ll_addr ( vmxnet, &netdev->ll_addr );
-
- /* Pass shared area to device */
- writel ( ( shared_bus >> 0 ), ( vmxnet->vd + VMXNET3_VD_DSAL ) );
- writel ( ( shared_bus >> 32 ), ( vmxnet->vd + VMXNET3_VD_DSAH ) );
-
- /* Activate device */
- if ( ( status = vmxnet3_command ( vmxnet,
- VMXNET3_CMD_ACTIVATE_DEV ) ) != 0 ) {
- DBGC ( vmxnet, "VMXNET3 %p could not activate (status %#x)\n",
- vmxnet, status );
- rc = -EIO;
- goto err_activate;
- }
-
- /* Fill receive ring */
- vmxnet3_refill_rx ( netdev );
-
- return 0;
-
- vmxnet3_command ( vmxnet, VMXNET3_CMD_QUIESCE_DEV );
- vmxnet3_command ( vmxnet, VMXNET3_CMD_RESET_DEV );
- err_activate:
- vmxnet3_flush_tx ( netdev );
- vmxnet3_flush_rx ( netdev );
- free_dma ( vmxnet->dma, sizeof ( *vmxnet->dma ) );
- err_alloc_dma:
- return rc;
-}
-
-/**
- * Close NIC
- *
- * @v netdev Network device
- */
-static void vmxnet3_close ( struct net_device *netdev ) {
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
-
- vmxnet3_command ( vmxnet, VMXNET3_CMD_QUIESCE_DEV );
- vmxnet3_command ( vmxnet, VMXNET3_CMD_RESET_DEV );
- vmxnet3_flush_tx ( netdev );
- vmxnet3_flush_rx ( netdev );
- free_dma ( vmxnet->dma, sizeof ( *vmxnet->dma ) );
-}
-
-/** vmxnet3 net device operations */
-static struct net_device_operations vmxnet3_operations = {
- .open = vmxnet3_open,
- .close = vmxnet3_close,
- .transmit = vmxnet3_transmit,
- .poll = vmxnet3_poll,
- .irq = vmxnet3_irq,
-};
-
-/**
- * Check version
- *
- * @v vmxnet vmxnet3 NIC
- * @ret rc Return status code
- */
-static int vmxnet3_check_version ( struct vmxnet3_nic *vmxnet ) {
- uint32_t version;
- uint32_t upt_version;
-
- /* Read version */
- version = readl ( vmxnet->vd + VMXNET3_VD_VRRS );
- upt_version = readl ( vmxnet->vd + VMXNET3_VD_UVRS );
- DBGC ( vmxnet, "VMXNET3 %p is version %d (UPT version %d)\n",
- vmxnet, version, upt_version );
-
- /* Inform NIC of driver version */
- writel ( VMXNET3_VERSION_SELECT, ( vmxnet->vd + VMXNET3_VD_VRRS ) );
- writel ( VMXNET3_UPT_VERSION_SELECT, ( vmxnet->vd + VMXNET3_VD_UVRS ) );
-
- return 0;
-}
-
-/**
- * Get permanent MAC address
- *
- * @v vmxnet vmxnet3 NIC
- * @v hw_addr Hardware address to fill in
- */
-static void vmxnet3_get_hw_addr ( struct vmxnet3_nic *vmxnet, void *hw_addr ) {
- struct {
- uint32_t low;
- uint32_t high;
- } __attribute__ (( packed )) mac;
-
- mac.low = le32_to_cpu ( vmxnet3_command ( vmxnet,
- VMXNET3_CMD_GET_PERM_MAC_LO ) );
- mac.high = le32_to_cpu ( vmxnet3_command ( vmxnet,
- VMXNET3_CMD_GET_PERM_MAC_HI ) );
- memcpy ( hw_addr, &mac, ETH_ALEN );
-}
-
-/**
- * Probe PCI device
- *
- * @v pci PCI device
- * @v id PCI ID
- * @ret rc Return status code
- */
-static int vmxnet3_probe ( struct pci_device *pci ) {
- struct net_device *netdev;
- struct vmxnet3_nic *vmxnet;
- int rc;
-
- /* Allocate network device */
- netdev = alloc_etherdev ( sizeof ( *vmxnet ) );
- if ( ! netdev ) {
- rc = -ENOMEM;
- goto err_alloc_etherdev;
- }
- netdev_init ( netdev, &vmxnet3_operations );
- vmxnet = netdev_priv ( netdev );
- pci_set_drvdata ( pci, netdev );
- netdev->dev = &pci->dev;
- memset ( vmxnet, 0, sizeof ( *vmxnet ) );
-
- /* Fix up PCI device */
- adjust_pci_device ( pci );
-
- /* Map PCI BARs */
- vmxnet->pt = ioremap ( pci_bar_start ( pci, VMXNET3_PT_BAR ),
- VMXNET3_PT_LEN );
- if ( ! vmxnet->pt ) {
- rc = -ENODEV;
- goto err_ioremap_pt;
- }
- vmxnet->vd = ioremap ( pci_bar_start ( pci, VMXNET3_VD_BAR ),
- VMXNET3_VD_LEN );
- if ( ! vmxnet->vd ) {
- rc = -ENODEV;
- goto err_ioremap_vd;
- }
-
- /* Version check */
- if ( ( rc = vmxnet3_check_version ( vmxnet ) ) != 0 )
- goto err_check_version;
-
- /* Reset device */
- if ( ( rc = vmxnet3_command ( vmxnet, VMXNET3_CMD_RESET_DEV ) ) != 0 )
- goto err_reset;
-
- /* Read initial MAC address */
- vmxnet3_get_hw_addr ( vmxnet, &netdev->hw_addr );
-
- /* Register network device */
- if ( ( rc = register_netdev ( netdev ) ) != 0 ) {
- DBGC ( vmxnet, "VMXNET3 %p could not register net device: "
- "%s\n", vmxnet, strerror ( rc ) );
- goto err_register_netdev;
- }
-
- /* Get initial link state */
- vmxnet3_check_link ( netdev );
-
- return 0;
-
- unregister_netdev ( netdev );
- err_register_netdev:
- err_reset:
- err_check_version:
- iounmap ( vmxnet->vd );
- err_ioremap_vd:
- iounmap ( vmxnet->pt );
- err_ioremap_pt:
- netdev_nullify ( netdev );
- netdev_put ( netdev );
- err_alloc_etherdev:
- return rc;
-}
-
-/**
- * Remove PCI device
- *
- * @v pci PCI device
- */
-static void vmxnet3_remove ( struct pci_device *pci ) {
- struct net_device *netdev = pci_get_drvdata ( pci );
- struct vmxnet3_nic *vmxnet = netdev_priv ( netdev );
-
- unregister_netdev ( netdev );
- iounmap ( vmxnet->vd );
- iounmap ( vmxnet->pt );
- netdev_nullify ( netdev );
- netdev_put ( netdev );
-}
-
-/** vmxnet3 PCI IDs */
-static struct pci_device_id vmxnet3_nics[] = {
- PCI_ROM ( 0x15ad, 0x07b0, "vmxnet3", "vmxnet3 virtual NIC", 0 ),
-};
-
-/** vmxnet3 PCI driver */
-struct pci_driver vmxnet3_driver __pci_driver = {
- .ids = vmxnet3_nics,
- .id_count = ( sizeof ( vmxnet3_nics ) / sizeof ( vmxnet3_nics[0] ) ),
- .probe = vmxnet3_probe,
- .remove = vmxnet3_remove,
-};