f9f445b6a6
This patch just make sure SPDK support the hotplug of vfio-attached devices, but there still issues when we get hotplug events from kernel, this patch tested based on my modified local vfio-pci driver which just for test purpose and not upstream. Change-Id: I974177e70e4133d2a583d00e714a7607765d3548 Signed-off-by: Cunyin Chang <cunyin.chang@intel.com> Reviewed-on: https://review.gerrithub.io/390580 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright (c) Intel Corporation.
|
|
* 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.
|
|
*/
|
|
|
|
/** \file
|
|
* SPDK uevent
|
|
*/
|
|
|
|
#include "spdk/env.h"
|
|
#include "spdk/nvmf_spec.h"
|
|
|
|
#ifndef SPDK_UEVENT_H_
|
|
#define SPDK_UEVENT_H_
|
|
|
|
#define SPDK_NVME_UEVENT_SUBSYSTEM_UIO 1
|
|
#define SPDK_NVME_UEVENT_SUBSYSTEM_VFIO 2
|
|
|
|
enum spdk_nvme_uevent_action {
|
|
SPDK_NVME_UEVENT_ADD = 0,
|
|
SPDK_NVME_UEVENT_REMOVE = 1,
|
|
};
|
|
|
|
struct spdk_uevent {
|
|
enum spdk_nvme_uevent_action action;
|
|
int subsystem;
|
|
char traddr[SPDK_NVMF_TRADDR_MAX_LEN + 1];
|
|
};
|
|
|
|
int spdk_uevent_connect(void);
|
|
int spdk_get_uevent(int fd, struct spdk_uevent *uevent);
|
|
|
|
#endif /* SPDK_UEVENT_H_ */
|