77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/*
|
|
* Copyright (c) 2019 Nutanix Inc. All rights reserved.
|
|
*
|
|
* Authors: Thanos Makatos <thanos@nutanix.com>
|
|
* Swapnil Ingle <swapnil.ingle@nutanix.com>
|
|
* Felipe Franciosi <felipe@nutanix.com>
|
|
*
|
|
* 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 Nutanix 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 <COPYRIGHT HOLDER> 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 LIB_VFIO_USER_PCI_CAPS_MSI_H
|
|
#define LIB_VFIO_USER_PCI_CAPS_MSI_H
|
|
|
|
#include "common.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct mc {
|
|
unsigned int msie:1;
|
|
unsigned int mmc:3;
|
|
unsigned int mme:3;
|
|
unsigned int c64:1;
|
|
unsigned int pvm:1;
|
|
unsigned int res1:7;
|
|
} __attribute__ ((packed));
|
|
_Static_assert(sizeof(struct mc) == 0x2, "bad MC size");
|
|
|
|
struct ma {
|
|
unsigned int res1:2;
|
|
unsigned int addr:30;
|
|
} __attribute__ ((packed));
|
|
_Static_assert(sizeof(struct ma) == 0x4, "bad MA size");
|
|
|
|
struct msicap {
|
|
struct cap_hdr hdr;
|
|
struct mc mc;
|
|
struct ma ma;
|
|
uint32_t mua;
|
|
uint16_t md;
|
|
uint16_t padding;
|
|
uint32_t mmask;
|
|
uint32_t mpend;
|
|
} __attribute__ ((packed));
|
|
_Static_assert(sizeof(struct msicap) == 0x18, "bad MSICAP size");
|
|
_Static_assert(offsetof(struct msicap, hdr) == 0, "bad offset");
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* VFU_CAP_MSI_H */
|
|
|
|
/* ex: set tabstop=4 shiftwidth=4 softtabstop=4 expandtab: */
|