1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2023-2025 Ruslan Bukin <br@bsdpad.com>
67 	p = td->td_proc;  in hwt_switch_in()
75 	if (ctx->state != CTX_STATE_RUNNING) {  in hwt_switch_in()
87 	    thr->thread_id, td->td_tid, cpu_id);  in hwt_switch_in()
89 	hwt_backend_configure(ctx, cpu_id, thr->thread_id);  in hwt_switch_in()
103 	p = td->td_proc;  in hwt_switch_out()
111 	if (ctx->state != CTX_STATE_RUNNING) {  in hwt_switch_out()
122 	    thr->thread_id, td->td_tid, cpu_id);  in hwt_switch_out()
137 	p = td->td_proc;  in hwt_hook_thread_exit()
151 	thr->state = HWT_THREAD_STATE_EXITED;  in hwt_hook_thread_exit()
154 	    thr->thread_id, td->td_tid, cpu_id);  in hwt_hook_thread_exit()
156 	if (ctx->state == CTX_STATE_RUNNING)  in hwt_hook_thread_exit()
170 	p = td->td_proc;  in hwt_hook_mmap()
178 	pause = ctx->pause_on_mmap ? 1 : 0;  in hwt_hook_mmap()
187 	 * msleep(9) atomically releases the mtx lock, so take refcount  in hwt_hook_mmap()
192 	refcount_acquire(&thr->refcnt);  in hwt_hook_mmap()
197 		msleep(thr, &thr->mtx, PCATCH, "hwt-mmap", 0);  in hwt_hook_mmap()
201 	if (refcount_release(&thr->refcnt))  in hwt_hook_mmap()
217 	p = td->td_proc;  in hwt_hook_thread_create()
219 	/* Step 1. Get CTX and collect information needed. */  in hwt_hook_thread_create()
223 	thread_id = atomic_fetchadd_int(&ctx->thread_counter, 1);  in hwt_hook_thread_create()
224 	bufsize = ctx->bufsize;  in hwt_hook_thread_create()
225 	kva_req = ctx->hwt_backend->kva_req;  in hwt_hook_thread_create()
226 	sprintf(path, "hwt_%d_%d", ctx->ident, thread_id);  in hwt_hook_thread_create()
229 	/* Step 2. Allocate some memory without holding ctx ref. */  in hwt_hook_thread_create()
238 	entry->record_type = HWT_RECORD_THREAD_CREATE;  in hwt_hook_thread_create()
239 	entry->thread_id = thread_id;  in hwt_hook_thread_create()
241 	/* Step 3. Get CTX once again. */  in hwt_hook_thread_create()
246 		/* ctx->thread_counter does not matter. */  in hwt_hook_thread_create()
249 	/* Allocate backend-specific thread data. */  in hwt_hook_thread_create()
257 	thr->vm->ctx = ctx;  in hwt_hook_thread_create()
258 	thr->ctx = ctx;  in hwt_hook_thread_create()
259 	thr->backend = ctx->hwt_backend;  in hwt_hook_thread_create()
260 	thr->thread_id = thread_id;  in hwt_hook_thread_create()
261 	thr->td = td;  in hwt_hook_thread_create()
280 	p = td->td_proc;  in hwt_hook_handler()
281 	if ((p->p_flag2 & P2_HWT) == 0)  in hwt_hook_handler()