3ff9c13614
When NVMf target linked with vfio-user library, we can use vfio-user client library to connect to the target. Here is the three examples that can work with target: identify -r 'trtype:VFIOUSER traddr:/var/run/muser/domain/muser0/8' -g perf -r 'trtype:VFIOUSER traddr:/var/run/muser/domain/muser0/8' -g -q 1 -o 4096 -w read -t 10 reconnect -r 'trtype:VFIOUSER traddr:/var/run/muser/domain/muser0/8' -g -q 32 -o 4096 -w randrw \ -M 50 -t 10 -c 0xE You can run the following test script test/nvmf/target/nvmf_vfio_user.sh to have a quick test, currently enabled with NVMe Identify,Perf,Reconnect tools. Change-Id: Ieb9842b2f372184fffbf7f23e4aad26feb47c350 Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3839 Community-CI: Broadcom CI Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VFIO_USER_SPEC_H
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#define _VFIO_USER_SPEC_H
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#include "spdk/stdinc.h"
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enum vfio_user_command {
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VFIO_USER_VERSION = 1,
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VFIO_USER_DMA_MAP = 2,
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VFIO_USER_DMA_UNMAP = 3,
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VFIO_USER_DEVICE_GET_INFO = 4,
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VFIO_USER_DEVICE_GET_REGION_INFO = 5,
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VFIO_USER_DEVICE_GET_IRQ_INFO = 6,
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VFIO_USER_DEVICE_SET_IRQS = 7,
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VFIO_USER_REGION_READ = 8,
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VFIO_USER_REGION_WRITE = 9,
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VFIO_USER_DMA_READ = 10,
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VFIO_USER_DMA_WRITE = 11,
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VFIO_USER_VM_INTERRUPT = 12,
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VFIO_USER_DEVICE_RESET = 13,
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VFIO_USER_MAX,
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};
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enum vfio_user_message_type {
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VFIO_USER_MESSAGE_COMMAND = 0,
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VFIO_USER_MESSAGE_REPLY = 1,
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};
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#define VFIO_USER_FLAGS_NO_REPLY (0x1)
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struct vfio_user_header {
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uint16_t msg_id;
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uint16_t cmd;
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uint32_t msg_size;
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struct {
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uint32_t type : 4;
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#define VFIO_USER_F_TYPE_COMMAND 0
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#define VFIO_USER_F_TYPE_REPLY 1
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uint32_t no_reply : 1;
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uint32_t error : 1;
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uint32_t resvd : 26;
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} flags;
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uint32_t error_no;
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} __attribute__((packed));
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struct vfio_user_version {
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uint16_t major;
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uint16_t minor;
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uint8_t data[];
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} __attribute__((packed));
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struct vfio_user_dma_region {
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uint64_t addr;
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uint64_t size;
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uint64_t offset;
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uint32_t prot;
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uint32_t flags;
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#define VFIO_USER_F_DMA_REGION_MAPPABLE (1 << 0)
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} __attribute__((packed));
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struct vfio_user_region_access {
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uint64_t offset;
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uint32_t region;
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uint32_t count;
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uint8_t data[];
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} __attribute__((packed));
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struct vfio_user_dma_region_access {
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uint64_t addr;
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uint32_t count;
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uint8_t data[];
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} __attribute__((packed));
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struct vfio_user_irq_info {
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uint32_t subindex;
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} __attribute__((packed));
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#endif
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