diff options
Diffstat (limited to 'sys/amd64/vmm/io/ppt.h')
| -rw-r--r-- | sys/amd64/vmm/io/ppt.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sys/amd64/vmm/io/ppt.h b/sys/amd64/vmm/io/ppt.h new file mode 100644 index 000000000000..f97c399564d7 --- /dev/null +++ b/sys/amd64/vmm/io/ppt.h @@ -0,0 +1,57 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2011 NetApp, Inc. + * All rights reserved. + * + * 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 NETAPP, INC ``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 NETAPP, INC 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 _IO_PPT_H_ +#define _IO_PPT_H_ + +int ppt_unassign_all(struct vm *vm); +int ppt_map_mmio(struct vm *vm, int bus, int slot, int func, + vm_paddr_t gpa, size_t len, vm_paddr_t hpa); +int ppt_unmap_mmio(struct vm *vm, int bus, int slot, int func, + vm_paddr_t gpa, size_t len); +int ppt_setup_msi(struct vm *vm, int bus, int slot, int func, + uint64_t addr, uint64_t msg, int numvec); +int ppt_setup_msix(struct vm *vm, int bus, int slot, int func, + int idx, uint64_t addr, uint64_t msg, uint32_t vector_control); +int ppt_disable_msix(struct vm *vm, int bus, int slot, int func); +int ppt_assigned_devices(struct vm *vm); +bool ppt_is_mmio(struct vm *vm, vm_paddr_t gpa); + +/* + * Returns the number of devices sequestered by the ppt driver for assignment + * to virtual machines. + */ +int ppt_avail_devices(void); + +/* + * The following functions should never be called directly. + * Use 'vm_assign_pptdev()' and 'vm_unassign_pptdev()' instead. + */ +int ppt_assign_device(struct vm *vm, int bus, int slot, int func); +int ppt_unassign_device(struct vm *vm, int bus, int slot, int func); +#endif |