diff options
Diffstat (limited to 'sys/dev/beri/virtio/virtio.h')
| -rw-r--r-- | sys/dev/beri/virtio/virtio.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/sys/dev/beri/virtio/virtio.h b/sys/dev/beri/virtio/virtio.h deleted file mode 100644 index fe142c1f25fd..000000000000 --- a/sys/dev/beri/virtio/virtio.h +++ /dev/null @@ -1,69 +0,0 @@ -/*- - * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> - * All rights reserved. - * - * This software was developed by SRI International and the University of - * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) - * ("CTSRD"), as part of the DARPA CRASH research programme. - * - * 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. - */ - -#define READ2(_sc, _reg) \ - bus_read_2((_sc)->res[0], _reg) -#define READ4(_sc, _reg) \ - bus_read_4((_sc)->res[0], _reg) -#define WRITE2(_sc, _reg, _val) \ - bus_write_2((_sc)->res[0], _reg, _val) -#define WRITE4(_sc, _reg, _val) \ - bus_write_4((_sc)->res[0], _reg, _val) - -#define PAGE_SHIFT 12 -#define VRING_ALIGN 4096 - -#define VQ_ALLOC 0x01 /* set once we have a pfn */ -#define VQ_MAX_DESCRIPTORS 512 - -struct vqueue_info { - uint16_t vq_qsize; /* size of this queue (a power of 2) */ - uint16_t vq_num; - uint16_t vq_flags; - uint16_t vq_last_avail; /* a recent value of vq_avail->va_idx */ - uint16_t vq_save_used; /* saved vq_used->vu_idx; see vq_endchains */ - uint32_t vq_pfn; /* PFN of virt queue (not shifted!) */ - - volatile struct vring_desc *vq_desc; /* descriptor array */ - volatile struct vring_avail *vq_avail; /* the "avail" ring */ - volatile struct vring_used *vq_used; /* the "used" ring */ -}; - -int vq_ring_ready(struct vqueue_info *vq); -int vq_has_descs(struct vqueue_info *vq); -void * paddr_map(uint32_t offset, uint32_t phys, uint32_t size); -void paddr_unmap(void *phys, uint32_t size); -int vq_getchain(uint32_t beri_mem_offset, struct vqueue_info *vq, - struct iovec *iov, int n_iov, uint16_t *flags); -void vq_relchain(struct vqueue_info *vq, struct iovec *iov, int n, uint32_t iolen); -struct iovec * getcopy(struct iovec *iov, int n); - -int setup_pio(device_t dev, char *name, device_t *pio_dev); -int setup_offset(device_t dev, uint32_t *offset); |