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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2019 Joyent, Inc.
*/
#ifndef _IO_PCIE_PCIEB_IOCTL_H
#define _IO_PCIE_PCIEB_IOCTL_H
/*
* These are private ioctls for PCIe bridges that are currently consumed by the
* 'pcieb' command. These should be used until we figure out how best to
* represent PCIe links in the traditional cfgadm and devctl frameworks.
*/
#include <sys/stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define PCIEB_IOCTL (('p' << 24) | ('c' << 16) | ('b' << 8))
/*
* This requests that we retrain the link that the PCIe bridge has to its
* downstream component.
*/
#define PCIEB_IOCTL_RETRAIN (PCIEB_IOCTL | 0x01)
/*
* Get and set the current target speed for a bridge. The target speed of the
* bridge will have an impact on the values that end up being used by its
* downstream components.
*/
#define PCIEB_IOCTL_GET_TARGET_SPEED (PCIEB_IOCTL | 0x02)
#define PCIEB_IOCTL_SET_TARGET_SPEED (PCIEB_IOCTL | 0x03)
typedef struct pcieb_ioctl_target_speed {
uint32_t pits_flags;
uint32_t pits_speed;
} pcieb_ioctl_target_speed_t;
#define PCIEB_FLAGS_ADMIN_SET 0x01
#define PCIEB_LINK_SPEED_UNKNOWN 0x00
#define PCIEB_LINK_SPEED_GEN1 0x01
#define PCIEB_LINK_SPEED_GEN2 0x02
#define PCIEB_LINK_SPEED_GEN3 0x03
#define PCIEB_LINK_SPEED_GEN4 0x04
#ifdef __cplusplus
}
#endif
#endif /* _IO_PCIE_PCIEB_IOCTL_H */
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