diff options
Diffstat (limited to 'sys/dev/hwt/hwt_vm.h')
| -rw-r--r-- | sys/dev/hwt/hwt_vm.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sys/dev/hwt/hwt_vm.h b/sys/dev/hwt/hwt_vm.h new file mode 100644 index 000000000000..5002bd43e093 --- /dev/null +++ b/sys/dev/hwt/hwt_vm.h @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 2023-2025 Ruslan Bukin <br@bsdpad.com> + * + * This work was supported by Innovate UK project 105694, "Digital Security + * by Design (DSbD) Technology Platform Prototype". + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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 _DEV_HWT_HWT_VM_H_ +#define _DEV_HWT_HWT_VM_H_ + +struct hwt_vm { + vm_page_t *pages; + int npages; + vm_object_t obj; + vm_offset_t kvaddr; + struct cdev *cdev; + + struct hwt_context *ctx; + struct hwt_cpu *cpu; /* cpu mode only. */ + struct hwt_thread *thr; /* thr mode only. */ +}; + +int hwt_vm_alloc(size_t bufsize, int kva_req, char *path, struct hwt_vm **vm0); +void hwt_vm_free(struct hwt_vm *vm); + +#endif /* !_DEV_HWT_HWT_VM_H_ */ |