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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 LIB_VFIO_USER_PCI_CAPS_PM_H
#define LIB_VFIO_USER_PCI_CAPS_PM_H
#include "common.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Power Management Capabilities Register
*/
struct pc {
uint16_t vs:3;
uint16_t pmec:1;
uint16_t res:1;
uint16_t dsi:1;
uint16_t auxc:3;
uint16_t d1s:1;
uint16_t d2s:1;
uint16_t psup:5;
} __attribute__((packed));
_Static_assert(sizeof(struct pc) == 0x2, "bad PC size");
/*
* Power Management Status and Control Register
*/
struct pmcs {
union {
uint16_t raw;
struct {
uint16_t ps:2;
uint16_t res1:1;
uint16_t nsfrst:1;
uint16_t res2:4;
uint16_t pmee:1;
uint16_t dse:4;
uint16_t dsc:2;
uint16_t pmes:1;
};
};
} __attribute__((packed));
_Static_assert(sizeof(struct pmcs) == 0x2, "bad PMCS size");
struct pmcap {
struct cap_hdr hdr;
struct pc pc;
struct pmcs pmcs;
uint8_t pmcsr_bse;
uint8_t data;
} __attribute__((packed));
_Static_assert(sizeof(struct pmcap) == PCI_PM_SIZEOF, "bad pmcap size");
_Static_assert(offsetof(struct pmcap, hdr) == 0, "bad offset");
#ifdef __cplusplus
}
#endif
#endif /* VFU_CAP_PM_H */
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