+++ /dev/null
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of 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 <string.h>
-#include <fcntl.h>
-#include <linux/pci_regs.h>
-#include <sys/eventfd.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <stdbool.h>
-
-#include <rte_log.h>
-#include <rte_pci.h>
-#include <rte_eal_memconfig.h>
-#include <rte_malloc.h>
-
-#include "eal_filesystem.h"
-#include "eal_pci_init.h"
-#include "eal_vfio.h"
-#include "eal_private.h"
-
-/**
- * @file
- * PCI probing under linux (VFIO version)
- *
- * This code tries to determine if the PCI device is bound to VFIO driver,
- * and initialize it (map BARs, set up interrupts) if that's the case.
- *
- * This file is only compiled if CONFIG_RTE_EAL_VFIO is set to "y".
- */
-
-#ifdef VFIO_PRESENT
-
-#define PAGE_SIZE (sysconf(_SC_PAGESIZE))
-#define PAGE_MASK (~(PAGE_SIZE - 1))
-
-static struct rte_tailq_elem rte_vfio_tailq = {
- .name = "VFIO_RESOURCE_LIST",
-};
-EAL_REGISTER_TAILQ(rte_vfio_tailq)
-
-int
-pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
- void *buf, size_t len, off_t offs)
-{
- return pread64(intr_handle->vfio_dev_fd, buf, len,
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) + offs);
-}
-
-int
-pci_vfio_write_config(const struct rte_intr_handle *intr_handle,
- const void *buf, size_t len, off_t offs)
-{
- return pwrite64(intr_handle->vfio_dev_fd, buf, len,
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) + offs);
-}
-
-/* get PCI BAR number where MSI-X interrupts are */
-static int
-pci_vfio_get_msix_bar(int fd, int *msix_bar, uint32_t *msix_table_offset,
- uint32_t *msix_table_size)
-{
- int ret;
- uint32_t reg;
- uint16_t flags;
- uint8_t cap_id, cap_offset;
-
- /* read PCI capability pointer from config space */
- ret = pread64(fd, ®, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- PCI_CAPABILITY_LIST);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read capability pointer from PCI "
- "config space!\n");
- return -1;
- }
-
- /* we need first byte */
- cap_offset = reg & 0xFF;
-
- while (cap_offset) {
-
- /* read PCI capability ID */
- ret = pread64(fd, ®, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read capability ID from PCI "
- "config space!\n");
- return -1;
- }
-
- /* we need first byte */
- cap_id = reg & 0xFF;
-
- /* if we haven't reached MSI-X, check next capability */
- if (cap_id != PCI_CAP_ID_MSIX) {
- ret = pread64(fd, ®, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read capability pointer from PCI "
- "config space!\n");
- return -1;
- }
-
- /* we need second byte */
- cap_offset = (reg & 0xFF00) >> 8;
-
- continue;
- }
- /* else, read table offset */
- else {
- /* table offset resides in the next 4 bytes */
- ret = pread64(fd, ®, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset + 4);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read table offset from PCI config "
- "space!\n");
- return -1;
- }
-
- ret = pread64(fd, &flags, sizeof(flags),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset + 2);
- if (ret != sizeof(flags)) {
- RTE_LOG(ERR, EAL, "Cannot read table flags from PCI config "
- "space!\n");
- return -1;
- }
-
- *msix_bar = reg & RTE_PCI_MSIX_TABLE_BIR;
- *msix_table_offset = reg & RTE_PCI_MSIX_TABLE_OFFSET;
- *msix_table_size = 16 * (1 + (flags & RTE_PCI_MSIX_FLAGS_QSIZE));
-
- return 0;
- }
- }
- return 0;
-}
-
-/* set PCI bus mastering */
-static int
-pci_vfio_set_bus_master(int dev_fd, bool op)
-{
- uint16_t reg;
- int ret;
-
- ret = pread64(dev_fd, ®, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- PCI_COMMAND);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read command from PCI config space!\n");
- return -1;
- }
-
- if (op)
- /* set the master bit */
- reg |= PCI_COMMAND_MASTER;
- else
- reg &= ~(PCI_COMMAND_MASTER);
-
- ret = pwrite64(dev_fd, ®, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- PCI_COMMAND);
-
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot write command to PCI config space!\n");
- return -1;
- }
-
- return 0;
-}
-
-/* set up interrupt support (but not enable interrupts) */
-static int
-pci_vfio_setup_interrupts(struct rte_pci_device *dev, int vfio_dev_fd)
-{
- int i, ret, intr_idx;
-
- /* default to invalid index */
- intr_idx = VFIO_PCI_NUM_IRQS;
-
- /* get interrupt type from internal config (MSI-X by default, can be
- * overridden from the command line
- */
- switch (internal_config.vfio_intr_mode) {
- case RTE_INTR_MODE_MSIX:
- intr_idx = VFIO_PCI_MSIX_IRQ_INDEX;
- break;
- case RTE_INTR_MODE_MSI:
- intr_idx = VFIO_PCI_MSI_IRQ_INDEX;
- break;
- case RTE_INTR_MODE_LEGACY:
- intr_idx = VFIO_PCI_INTX_IRQ_INDEX;
- break;
- /* don't do anything if we want to automatically determine interrupt type */
- case RTE_INTR_MODE_NONE:
- break;
- default:
- RTE_LOG(ERR, EAL, " unknown default interrupt type!\n");
- return -1;
- }
-
- /* start from MSI-X interrupt type */
- for (i = VFIO_PCI_MSIX_IRQ_INDEX; i >= 0; i--) {
- struct vfio_irq_info irq = { .argsz = sizeof(irq) };
- int fd = -1;
-
- /* skip interrupt modes we don't want */
- if (internal_config.vfio_intr_mode != RTE_INTR_MODE_NONE &&
- i != intr_idx)
- continue;
-
- irq.index = i;
-
- ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_IRQ_INFO, &irq);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, " cannot get IRQ info, "
- "error %i (%s)\n", errno, strerror(errno));
- return -1;
- }
-
- /* if this vector cannot be used with eventfd, fail if we explicitly
- * specified interrupt type, otherwise continue */
- if ((irq.flags & VFIO_IRQ_INFO_EVENTFD) == 0) {
- if (internal_config.vfio_intr_mode != RTE_INTR_MODE_NONE) {
- RTE_LOG(ERR, EAL,
- " interrupt vector does not support eventfd!\n");
- return -1;
- } else
- continue;
- }
-
- /* set up an eventfd for interrupts */
- fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
- if (fd < 0) {
- RTE_LOG(ERR, EAL, " cannot set up eventfd, "
- "error %i (%s)\n", errno, strerror(errno));
- return -1;
- }
-
- dev->intr_handle.fd = fd;
- dev->intr_handle.vfio_dev_fd = vfio_dev_fd;
-
- switch (i) {
- case VFIO_PCI_MSIX_IRQ_INDEX:
- internal_config.vfio_intr_mode = RTE_INTR_MODE_MSIX;
- dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_MSIX;
- break;
- case VFIO_PCI_MSI_IRQ_INDEX:
- internal_config.vfio_intr_mode = RTE_INTR_MODE_MSI;
- dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_MSI;
- break;
- case VFIO_PCI_INTX_IRQ_INDEX:
- internal_config.vfio_intr_mode = RTE_INTR_MODE_LEGACY;
- dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_LEGACY;
- break;
- default:
- RTE_LOG(ERR, EAL, " unknown interrupt type!\n");
- return -1;
- }
-
- return 0;
- }
-
- /* if we're here, we haven't found a suitable interrupt vector */
- return -1;
-}
-
-/*
- * map the PCI resources of a PCI device in virtual memory (VFIO version).
- * primary and secondary processes follow almost exactly the same path
- */
-int
-pci_vfio_map_resource(struct rte_pci_device *dev)
-{
- struct vfio_device_info device_info = { .argsz = sizeof(device_info) };
- char pci_addr[PATH_MAX] = {0};
- int vfio_dev_fd;
- struct rte_pci_addr *loc = &dev->addr;
- int i, ret, msix_bar;
- struct mapped_pci_resource *vfio_res = NULL;
- struct mapped_pci_res_list *vfio_res_list = RTE_TAILQ_CAST(rte_vfio_tailq.head, mapped_pci_res_list);
-
- struct pci_map *maps;
- uint32_t msix_table_offset = 0;
- uint32_t msix_table_size = 0;
- uint32_t ioport_bar;
-
- dev->intr_handle.fd = -1;
- dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
-
- /* store PCI address string */
- snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
- loc->domain, loc->bus, loc->devid, loc->function);
-
- if ((ret = vfio_setup_device(pci_get_sysfs_path(), pci_addr,
- &vfio_dev_fd, &device_info)))
- return ret;
-
- /* get MSI-X BAR, if any (we have to know where it is because we can't
- * easily mmap it when using VFIO) */
- msix_bar = -1;
- ret = pci_vfio_get_msix_bar(vfio_dev_fd, &msix_bar,
- &msix_table_offset, &msix_table_size);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, " %s cannot get MSI-X BAR number!\n", pci_addr);
- close(vfio_dev_fd);
- return -1;
- }
-
- /* if we're in a primary process, allocate vfio_res and get region info */
- if (internal_config.process_type == RTE_PROC_PRIMARY) {
- vfio_res = rte_zmalloc("VFIO_RES", sizeof(*vfio_res), 0);
- if (vfio_res == NULL) {
- RTE_LOG(ERR, EAL,
- "%s(): cannot store uio mmap details\n", __func__);
- close(vfio_dev_fd);
- return -1;
- }
- memcpy(&vfio_res->pci_addr, &dev->addr, sizeof(vfio_res->pci_addr));
-
- /* get number of registers (up to BAR5) */
- vfio_res->nb_maps = RTE_MIN((int) device_info.num_regions,
- VFIO_PCI_BAR5_REGION_INDEX + 1);
- } else {
- /* if we're in a secondary process, just find our tailq entry */
- TAILQ_FOREACH(vfio_res, vfio_res_list, next) {
- if (rte_eal_compare_pci_addr(&vfio_res->pci_addr,
- &dev->addr))
- continue;
- break;
- }
- /* if we haven't found our tailq entry, something's wrong */
- if (vfio_res == NULL) {
- RTE_LOG(ERR, EAL, " %s cannot find TAILQ entry for PCI device!\n",
- pci_addr);
- close(vfio_dev_fd);
- return -1;
- }
- }
-
- /* map BARs */
- maps = vfio_res->maps;
-
- for (i = 0; i < (int) vfio_res->nb_maps; i++) {
- struct vfio_region_info reg = { .argsz = sizeof(reg) };
- void *bar_addr;
- struct memreg {
- unsigned long offset, size;
- } memreg[2] = {};
-
- reg.index = i;
-
- ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_REGION_INFO, ®);
-
- if (ret) {
- RTE_LOG(ERR, EAL, " %s cannot get device region info "
- "error %i (%s)\n", pci_addr, errno, strerror(errno));
- close(vfio_dev_fd);
- if (internal_config.process_type == RTE_PROC_PRIMARY)
- rte_free(vfio_res);
- return -1;
- }
-
- /* chk for io port region */
- ret = pread64(vfio_dev_fd, &ioport_bar, sizeof(ioport_bar),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX)
- + PCI_BASE_ADDRESS_0 + i*4);
-
- if (ret != sizeof(ioport_bar)) {
- RTE_LOG(ERR, EAL,
- "Cannot read command (%x) from config space!\n",
- PCI_BASE_ADDRESS_0 + i*4);
- return -1;
- }
-
- if (ioport_bar & PCI_BASE_ADDRESS_SPACE_IO) {
- RTE_LOG(INFO, EAL,
- "Ignore mapping IO port bar(%d) addr: %x\n",
- i, ioport_bar);
- continue;
- }
-
- /* skip non-mmapable BARs */
- if ((reg.flags & VFIO_REGION_INFO_FLAG_MMAP) == 0)
- continue;
-
- if (i == msix_bar) {
- /*
- * VFIO will not let us map the MSI-X table,
- * but we can map around it.
- */
- uint32_t table_start = msix_table_offset;
- uint32_t table_end = table_start + msix_table_size;
- table_end = (table_end + ~PAGE_MASK) & PAGE_MASK;
- table_start &= PAGE_MASK;
-
- if (table_start == 0 && table_end >= reg.size) {
- /* Cannot map this BAR */
- RTE_LOG(DEBUG, EAL, "Skipping BAR %d\n", i);
- continue;
- } else {
- memreg[0].offset = reg.offset;
- memreg[0].size = table_start;
- memreg[1].offset = reg.offset + table_end;
- memreg[1].size = reg.size - table_end;
-
- RTE_LOG(DEBUG, EAL,
- "Trying to map BAR %d that contains the MSI-X "
- "table. Trying offsets: "
- "0x%04lx:0x%04lx, 0x%04lx:0x%04lx\n", i,
- memreg[0].offset, memreg[0].size,
- memreg[1].offset, memreg[1].size);
- }
- } else {
- memreg[0].offset = reg.offset;
- memreg[0].size = reg.size;
- }
-
- /* try to figure out an address */
- if (internal_config.process_type == RTE_PROC_PRIMARY) {
- /* try mapping somewhere close to the end of hugepages */
- if (pci_map_addr == NULL)
- pci_map_addr = pci_find_max_end_va();
-
- bar_addr = pci_map_addr;
- pci_map_addr = RTE_PTR_ADD(bar_addr, (size_t) reg.size);
- } else {
- bar_addr = maps[i].addr;
- }
-
- /* reserve the address using an inaccessible mapping */
- bar_addr = mmap(bar_addr, reg.size, 0, MAP_PRIVATE |
- MAP_ANONYMOUS, -1, 0);
- if (bar_addr != MAP_FAILED) {
- void *map_addr = NULL;
- if (memreg[0].size) {
- /* actual map of first part */
- map_addr = pci_map_resource(bar_addr, vfio_dev_fd,
- memreg[0].offset,
- memreg[0].size,
- MAP_FIXED);
- }
-
- /* if there's a second part, try to map it */
- if (map_addr != MAP_FAILED
- && memreg[1].offset && memreg[1].size) {
- void *second_addr = RTE_PTR_ADD(bar_addr,
- memreg[1].offset -
- (uintptr_t)reg.offset);
- map_addr = pci_map_resource(second_addr,
- vfio_dev_fd, memreg[1].offset,
- memreg[1].size,
- MAP_FIXED);
- }
-
- if (map_addr == MAP_FAILED || !map_addr) {
- munmap(bar_addr, reg.size);
- bar_addr = MAP_FAILED;
- }
- }
-
- if (bar_addr == MAP_FAILED ||
- (internal_config.process_type == RTE_PROC_SECONDARY &&
- bar_addr != maps[i].addr)) {
- RTE_LOG(ERR, EAL, " %s mapping BAR%i failed: %s\n", pci_addr, i,
- strerror(errno));
- close(vfio_dev_fd);
- if (internal_config.process_type == RTE_PROC_PRIMARY)
- rte_free(vfio_res);
- return -1;
- }
-
- maps[i].addr = bar_addr;
- maps[i].offset = reg.offset;
- maps[i].size = reg.size;
- maps[i].path = NULL; /* vfio doesn't have per-resource paths */
- dev->mem_resource[i].addr = bar_addr;
- }
-
- /* if secondary process, do not set up interrupts */
- if (internal_config.process_type == RTE_PROC_PRIMARY) {
- if (pci_vfio_setup_interrupts(dev, vfio_dev_fd) != 0) {
- RTE_LOG(ERR, EAL, " %s error setting up interrupts!\n", pci_addr);
- close(vfio_dev_fd);
- rte_free(vfio_res);
- return -1;
- }
-
- /* set bus mastering for the device */
- if (pci_vfio_set_bus_master(vfio_dev_fd, true)) {
- RTE_LOG(ERR, EAL, " %s cannot set up bus mastering!\n", pci_addr);
- close(vfio_dev_fd);
- rte_free(vfio_res);
- return -1;
- }
-
- /* Reset the device */
- ioctl(vfio_dev_fd, VFIO_DEVICE_RESET);
- }
-
- if (internal_config.process_type == RTE_PROC_PRIMARY)
- TAILQ_INSERT_TAIL(vfio_res_list, vfio_res, next);
-
- return 0;
-}
-
-int
-pci_vfio_unmap_resource(struct rte_pci_device *dev)
-{
- char pci_addr[PATH_MAX] = {0};
- struct rte_pci_addr *loc = &dev->addr;
- int i, ret;
- struct mapped_pci_resource *vfio_res = NULL;
- struct mapped_pci_res_list *vfio_res_list;
-
- struct pci_map *maps;
-
- /* store PCI address string */
- snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
- loc->domain, loc->bus, loc->devid, loc->function);
-
-
- if (close(dev->intr_handle.fd) < 0) {
- RTE_LOG(INFO, EAL, "Error when closing eventfd file descriptor for %s\n",
- pci_addr);
- return -1;
- }
-
- if (pci_vfio_set_bus_master(dev->intr_handle.vfio_dev_fd, false)) {
- RTE_LOG(ERR, EAL, " %s cannot unset bus mastering for PCI device!\n",
- pci_addr);
- return -1;
- }
-
- ret = vfio_release_device(pci_get_sysfs_path(), pci_addr,
- dev->intr_handle.vfio_dev_fd);
- if (ret < 0) {
- RTE_LOG(ERR, EAL,
- "%s(): cannot release device\n", __func__);
- return ret;
- }
-
- vfio_res_list = RTE_TAILQ_CAST(rte_vfio_tailq.head, mapped_pci_res_list);
- /* Get vfio_res */
- TAILQ_FOREACH(vfio_res, vfio_res_list, next) {
- if (memcmp(&vfio_res->pci_addr, &dev->addr, sizeof(dev->addr)))
- continue;
- break;
- }
- /* if we haven't found our tailq entry, something's wrong */
- if (vfio_res == NULL) {
- RTE_LOG(ERR, EAL, " %s cannot find TAILQ entry for PCI device!\n",
- pci_addr);
- return -1;
- }
-
- /* unmap BARs */
- maps = vfio_res->maps;
-
- RTE_LOG(INFO, EAL, "Releasing pci mapped resource for %s\n",
- pci_addr);
- for (i = 0; i < (int) vfio_res->nb_maps; i++) {
-
- /*
- * We do not need to be aware of MSI-X table BAR mappings as
- * when mapping. Just using current maps array is enough
- */
- if (maps[i].addr) {
- RTE_LOG(INFO, EAL, "Calling pci_unmap_resource for %s at %p\n",
- pci_addr, maps[i].addr);
- pci_unmap_resource(maps[i].addr, maps[i].size);
- }
- }
-
- TAILQ_REMOVE(vfio_res_list, vfio_res, next);
-
- return 0;
-}
-
-int
-pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
- struct rte_pci_ioport *p)
-{
- if (bar < VFIO_PCI_BAR0_REGION_INDEX ||
- bar > VFIO_PCI_BAR5_REGION_INDEX) {
- RTE_LOG(ERR, EAL, "invalid bar (%d)!\n", bar);
- return -1;
- }
-
- p->dev = dev;
- p->base = VFIO_GET_REGION_ADDR(bar);
- return 0;
-}
-
-void
-pci_vfio_ioport_read(struct rte_pci_ioport *p,
- void *data, size_t len, off_t offset)
-{
- const struct rte_intr_handle *intr_handle = &p->dev->intr_handle;
-
- if (pread64(intr_handle->vfio_dev_fd, data,
- len, p->base + offset) <= 0)
- RTE_LOG(ERR, EAL,
- "Can't read from PCI bar (%" PRIu64 ") : offset (%x)\n",
- VFIO_GET_REGION_IDX(p->base), (int)offset);
-}
-
-void
-pci_vfio_ioport_write(struct rte_pci_ioport *p,
- const void *data, size_t len, off_t offset)
-{
- const struct rte_intr_handle *intr_handle = &p->dev->intr_handle;
-
- if (pwrite64(intr_handle->vfio_dev_fd, data,
- len, p->base + offset) <= 0)
- RTE_LOG(ERR, EAL,
- "Can't write to PCI bar (%" PRIu64 ") : offset (%x)\n",
- VFIO_GET_REGION_IDX(p->base), (int)offset);
-}
-
-int
-pci_vfio_ioport_unmap(struct rte_pci_ioport *p)
-{
- RTE_SET_USED(p);
- return -1;
-}
-
-int
-pci_vfio_enable(void)
-{
- return vfio_enable("vfio_pci");
-}
-
-int
-pci_vfio_is_enabled(void)
-{
- return vfio_is_enabled("vfio_pci");
-}
-#endif
Code Review / deb_dpdk.git / blobdiff