/*
* Copyright (c) 2016-2020 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <sys/types.h>
#include <sys/kernel_types.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/file_internal.h>
#include <sys/proc_info.h>
#include <sys/sys_domain.h>
#include <sys/kern_event.h>
#include <string.h>
#include <skywalk/os_skywalk_private.h>
static uint32_t
ch_mode_to_flags(uint32_t ch_mode)
{
uint32_t flags = 0;
if ((ch_mode & CHMODE_MONITOR_RX) != 0) {
flags |= PROC_CHANNEL_FLAGS_MONITOR_RX;
}
if ((ch_mode & CHMODE_MONITOR_TX) != 0) {
flags |= PROC_CHANNEL_FLAGS_MONITOR_TX;
}
if ((ch_mode & CHMODE_MONITOR_NO_COPY) != 0) {
flags |= PROC_CHANNEL_FLAGS_MONITOR_NO_COPY;
}
if ((ch_mode & CHMODE_EXCLUSIVE) != 0) {
flags |= PROC_CHANNEL_FLAGS_EXCLUSIVE;
}
if ((ch_mode & CHMODE_USER_PACKET_POOL) != 0) {
flags |= PROC_CHANNEL_FLAGS_USER_PACKET_POOL;
}
if ((ch_mode & CHMODE_DEFUNCT_OK) != 0) {
flags |= PROC_CHANNEL_FLAGS_DEFUNCT_OK;
}
if ((ch_mode & CHMODE_LOW_LATENCY) != 0) {
flags |= PROC_CHANNEL_FLAGS_LOW_LATENCY;
}
return flags;
}
errno_t
fill_channelinfo(struct kern_channel *channel, struct proc_channel_info *info)
{
errno_t error = 0;
struct kern_nexus *nexus;
lck_mtx_lock(&channel->ch_lock);
uuid_copy(info->chi_instance, channel->ch_info->cinfo_nx_uuid);
info->chi_port = channel->ch_info->cinfo_nx_port;
info->chi_flags = ch_mode_to_flags(channel->ch_info->cinfo_ch_mode);
nexus = channel->ch_nexus;
if (nexus != NULL) {
struct kern_nexus_provider *nx_prov = nexus->nx_prov;
if (nx_prov != NULL) {
struct kern_nexus_domain_provider *dom_prov;
dom_prov = nx_prov->nxprov_dom_prov;
if (dom_prov != NULL) {
struct nxdom *dom;
dom = dom_prov->nxdom_prov_dom;
if (dom != NULL) {
info->chi_type = dom->nxdom_type;
}
}
}
}
lck_mtx_unlock(&channel->ch_lock);
return error;
}