diff options
| author | Patrick Mooney <pmooney@pfmooney.com> | 2022-04-15 16:50:25 +0000 |
|---|---|---|
| committer | Patrick Mooney <pmooney@oxide.computer> | 2022-04-21 20:19:23 +0000 |
| commit | 7c8c0b8227679b4684566e408ccc96d6ef7175e9 (patch) | |
| tree | 36dc19db0c8cfcdd4fccfd1247a616aa601fd62c /usr/src/uts/intel/sys/vmm_drv.h | |
| parent | df5cd018c34371890eeeb8c930245b9323e8aa25 (diff) | |
| download | illumos-gate-7c8c0b8227679b4684566e408ccc96d6ef7175e9.tar.gz | |
14587 bhyve and viona belong in uts/intel
Reviewed by: Keith Wesolowski <wesolows@oxide.computer>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Diffstat (limited to 'usr/src/uts/intel/sys/vmm_drv.h')
| -rw-r--r-- | usr/src/uts/intel/sys/vmm_drv.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/usr/src/uts/intel/sys/vmm_drv.h b/usr/src/uts/intel/sys/vmm_drv.h new file mode 100644 index 0000000000..0b7f622e53 --- /dev/null +++ b/usr/src/uts/intel/sys/vmm_drv.h @@ -0,0 +1,70 @@ +/* + * 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. + */ +/* This file is dual-licensed; see usr/src/contrib/bhyve/LICENSE */ + +/* + * Copyright 2019 Joyent, Inc. + * Copyright 2021 Oxide Computer Company + */ + +#ifndef _VMM_DRV_H_ +#define _VMM_DRV_H_ + +#ifdef _KERNEL + +#include <sys/file.h> +#include <sys/stdbool.h> + +struct vmm_hold; +typedef struct vmm_hold vmm_hold_t; + +struct vmm_lease; +typedef struct vmm_lease vmm_lease_t; + +/* + * This is effectively a synonym for the bhyve-internal 'struct vm_page' type. + * Use of `vmm_page_t *` instead allows us to keep those implementation details + * hidden from vmm_drv consumers. + */ +struct vmm_page; +typedef struct vmm_page vmm_page_t; + +/* + * Because of tangled headers, this definitions mirrors its ioport_handler_t + * counterpart in vmm_kernel.h. + */ +typedef int (*vmm_drv_iop_cb_t)(void *, bool, uint16_t, uint8_t, uint32_t *); + +extern int vmm_drv_hold(file_t *, cred_t *, vmm_hold_t **); +extern void vmm_drv_rele(vmm_hold_t *); +extern boolean_t vmm_drv_release_reqd(vmm_hold_t *); + +extern vmm_lease_t *vmm_drv_lease_sign(vmm_hold_t *, boolean_t (*)(void *), + void *); +extern void vmm_drv_lease_break(vmm_hold_t *, vmm_lease_t *); +extern boolean_t vmm_drv_lease_expired(vmm_lease_t *); + +extern vmm_page_t *vmm_drv_page_hold(vmm_lease_t *, uintptr_t, int); +extern void vmm_drv_page_release(vmm_page_t *); +extern void vmm_drv_page_release_chain(vmm_page_t *); +extern const void *vmm_drv_page_readable(const vmm_page_t *); +extern void *vmm_drv_page_writable(const vmm_page_t *); +extern void vmm_drv_page_chain(vmm_page_t *, vmm_page_t *); +extern vmm_page_t *vmm_drv_page_next(const vmm_page_t *); + +extern int vmm_drv_msi(vmm_lease_t *, uint64_t, uint64_t); + +extern int vmm_drv_ioport_hook(vmm_hold_t *, uint16_t, vmm_drv_iop_cb_t, void *, + void **); +extern void vmm_drv_ioport_unhook(vmm_hold_t *, void **); +#endif /* _KERNEL */ + +#endif /* _VMM_DRV_H_ */ |