The following symbols are used by vfio implementations within the PCI bus.
They need to be publicly available for the PCI bus to be outside the
EAL.
+ vfio_enable;
+ vfio_is_enabled;
+ vfio_noiommu_is_enabled;
+ vfio_release_device;
+ vfio_setup_device;
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
#ifndef _FSLMC_VFIO_H_
#define _FSLMC_VFIO_H_
+#include <rte_vfio.h>
+
#include "eal_vfio.h"
#define DPAA2_MC_DPNI_DEVID 7
{
return RTE_INTR_MODE_NONE;
}
+
+/* dummy forward declaration. */
+struct vfio_device_info;
+
+/* dummy prototypes. */
+int vfio_setup_device(const char *sysfs_base, const char *dev_addr,
+ int *vfio_dev_fd, struct vfio_device_info *device_info);
+int vfio_release_device(const char *sysfs_base, const char *dev_addr, int fd);
+int vfio_enable(const char *modname);
+int vfio_is_enabled(const char *modname);
+int vfio_noiommu_is_enabled(void);
+
+int vfio_setup_device(__rte_unused const char *sysfs_base,
+ __rte_unused const char *dev_addr,
+ __rte_unused int *vfio_dev_fd,
+ __rte_unused struct vfio_device_info *device_info)
+{
+ return -1;
+}
+
+int vfio_release_device(__rte_unused const char *sysfs_base,
+ __rte_unused const char *dev_addr,
+ __rte_unused int fd)
+{
+ return -1;
+}
+
+int vfio_enable(__rte_unused const char *modname)
+{
+ return -1;
+}
+
+int vfio_is_enabled(__rte_unused const char *modname)
+{
+ return 0;
+}
+
+int vfio_noiommu_is_enabled(void)
+{
+ return 0;
+}
INC += rte_pci_dev_feature_defs.h rte_pci_dev_features.h
INC += rte_malloc.h rte_keepalive.h rte_time.h
INC += rte_service.h rte_service_component.h
-INC += rte_bitmap.h
+INC += rte_bitmap.h rte_vfio.h
GENERIC_INC := rte_atomic.h rte_byteorder.h rte_cycles.h rte_prefetch.h
GENERIC_INC += rte_spinlock.h rte_memcpy.h rte_cpuflags.h rte_rwlock.h
--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2017 6WIND S.A. 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 6WIND 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.
+ */
+
+#ifndef _RTE_VFIO_H_
+#define _RTE_VFIO_H_
+
+#include <linux/vfio.h>
+
+#define VFIO_DIR "/dev/vfio"
+#define VFIO_CONTAINER_PATH "/dev/vfio/vfio"
+#define VFIO_GROUP_FMT "/dev/vfio/%u"
+#define VFIO_NOIOMMU_GROUP_FMT "/dev/vfio/noiommu-%u"
+#define VFIO_GET_REGION_ADDR(x) ((uint64_t) x << 40ULL)
+#define VFIO_GET_REGION_IDX(x) (x >> 40)
+#define VFIO_NOIOMMU_MODE \
+ "/sys/module/vfio/parameters/enable_unsafe_noiommu_mode"
+
+/**
+ * Setup vfio_cfg for the device identified by its address.
+ * It discovers the configured I/O MMU groups or sets a new one for the device.
+ * If a new groups is assigned, the DMA mapping is performed.
+ *
+ * This function is only relevant to linux and will return
+ * an error on BSD.
+ *
+ * @param sysfs_base
+ * sysfs path prefix.
+ *
+ * @param dev_addr
+ * device location.
+ *
+ * @param vfio_dev_fd
+ * VFIO fd.
+ *
+ * @param device_info
+ * Device information.
+ *
+ * @return
+ * 0 on success.
+ * <0 on failure.
+ * >1 if the device cannot be managed this way.
+ */
+int vfio_setup_device(const char *sysfs_base, const char *dev_addr,
+ int *vfio_dev_fd, struct vfio_device_info *device_info);
+
+/**
+ * Release a device mapped to a VFIO-managed I/O MMU group.
+ *
+ * This function is only relevant to linux and will return
+ * an error on BSD.
+ *
+ * @param sysfs_base
+ * sysfs path prefix.
+ *
+ * @param dev_addr
+ * device location.
+ *
+ * @param fd
+ * VFIO fd.
+ *
+ * @return
+ * 0 on success.
+ * <0 on failure.
+ */
+int vfio_release_device(const char *sysfs_base, const char *dev_addr, int fd);
+
+/**
+ * Enable a VFIO-related kmod.
+ *
+ * This function is only relevant to linux and will return
+ * an error on BSD.
+ *
+ * @param modname
+ * kernel module name.
+ *
+ * @return
+ * 0 on success.
+ * <0 on failure.
+ */
+int vfio_enable(const char *modname);
+
+/**
+ * Check whether a VFIO-related kmod is enabled.
+ *
+ * This function is only relevant to linux and will return
+ * an error on BSD.
+ *
+ * @param modname
+ * kernel module name.
+ *
+ * @return
+ * !0 if true.
+ * 0 otherwise.
+ */
+int vfio_is_enabled(const char *modname);
+
+/**
+ * Whether VFIO NOIOMMU mode is enabled.
+ *
+ * This function is only relevant to linux and will return
+ * an error on BSD.
+ *
+ * @return
+ * !0 if true.
+ * 0 otherwise.
+ */
+int vfio_noiommu_is_enabled(void);
+
+#endif /* _RTE_VFIO_H_ */
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
+#include <rte_vfio.h>
#include "eal_private.h"
#include "eal_thread.h"
#include <rte_errno.h>
#include <rte_spinlock.h>
#include <rte_pause.h>
+#include <rte_vfio.h>
#include "eal_private.h"
#include "eal_vfio.h"
#include <rte_malloc.h>
#include <rte_devargs.h>
#include <rte_memcpy.h>
+#include <rte_vfio.h>
#include "eal_filesystem.h"
#include "eal_private.h"
#include "eal_pci_init.h"
-#include "eal_vfio.h"
/**
* @file
#ifndef EAL_PCI_INIT_H_
#define EAL_PCI_INIT_H_
-#include "eal_vfio.h"
+#include <rte_vfio.h>
/** IO resource type: */
#define IORESOURCE_IO 0x00000100
const void *data, size_t len, off_t offset);
int pci_uio_ioport_unmap(struct rte_pci_ioport *p);
-#ifdef VFIO_PRESENT
+#ifdef RTE_EAL_VFIO
/* access config space */
int pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
#include <rte_pci.h>
#include <rte_eal_memconfig.h>
#include <rte_malloc.h>
+#include <rte_vfio.h>
#include "eal_filesystem.h"
#include "eal_pci_init.h"
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_eal_memconfig.h>
+#include <rte_vfio.h>
#include "eal_filesystem.h"
#include "eal_vfio.h"
struct vfio_group vfio_groups[VFIO_MAX_GROUPS];
};
-#define VFIO_DIR "/dev/vfio"
-#define VFIO_CONTAINER_PATH "/dev/vfio/vfio"
-#define VFIO_GROUP_FMT "/dev/vfio/%u"
-#define VFIO_NOIOMMU_GROUP_FMT "/dev/vfio/noiommu-%u"
-#define VFIO_GET_REGION_ADDR(x) ((uint64_t) x << 40ULL)
-#define VFIO_GET_REGION_IDX(x) (x >> 40)
-#define VFIO_NOIOMMU_MODE \
- "/sys/module/vfio/parameters/enable_unsafe_noiommu_mode"
-
/* DMA mapping function prototype.
* Takes VFIO container fd as a parameter.
* Returns 0 on success, -1 on error.
int
clear_group(int vfio_group_fd);
-/**
- * Setup vfio_cfg for the device identified by its address. It discovers
- * the configured I/O MMU groups or sets a new one for the device. If a new
- * groups is assigned, the DMA mapping is performed.
- * Returns 0 on success, a negative value on failure and a positive value in
- * case the given device cannot be managed this way.
- */
-int vfio_setup_device(const char *sysfs_base, const char *dev_addr,
- int *vfio_dev_fd, struct vfio_device_info *device_info);
-
-int vfio_release_device(const char *sysfs_base, const char *dev_addr, int fd);
-
-int vfio_enable(const char *modname);
-int vfio_is_enabled(const char *modname);
-
int pci_vfio_is_enabled(void);
int vfio_mp_sync_setup(void);
-int vfio_noiommu_is_enabled(void);
-
#define SOCKET_REQ_CONTAINER 0x100
#define SOCKET_REQ_GROUP 0x200
#define SOCKET_CLR_GROUP 0x300
#include <rte_pci.h>
#include <rte_eal_memconfig.h>
#include <rte_malloc.h>
+#include <rte_vfio.h>
#include "eal_filesystem.h"
#include "eal_pci_init.h"
+#include "eal_vfio.h"
#include "eal_thread.h"
/**
rte_memcpy_ptr;
rte_pci_get_iommu_class;
rte_pci_match;
+ vfio_enable;
+ vfio_is_enabled;
+ vfio_noiommu_is_enabled;
+ vfio_release_device;
+ vfio_setup_device;
} DPDK_17.08;
git.droids-corp.org / dpdk.git / commitdiff