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/*
* 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 LM_PCI_CAP_MSI_H
#define LM_PCI_CAP_MSI_H
struct mid {
unsigned int cid:8;
unsigned int next:8;
} __attribute__ ((packed));
_Static_assert(sizeof(struct mid) == 0x2, "bad MID size");
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 mid mid;
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");
#endif /* LM_CAP_MSI_H */
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