1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 NetApp, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/types.h> 30 #include <sys/ioctl.h> 31 32 #include <machine/vmm.h> 33 #include <machine/vmm_dev.h> 34 #include <machine/vmm_snapshot.h> 35 36 #include <assert.h> 37 #include <string.h> 38 39 #include "vmmapi.h" 40 #include "internal.h" 41 42 const char *vm_capstrmap[] = { 43 [VM_CAP_MAX] = NULL, 44 }; 45 46 #define VM_MD_IOCTLS \ 47 VM_ATTACH_APLIC, \ 48 VM_ASSERT_IRQ, \ 49 VM_DEASSERT_IRQ, \ 50 VM_RAISE_MSI 51 52 const cap_ioctl_t vm_ioctl_cmds[] = { 53 VM_COMMON_IOCTLS, 54 VM_MD_IOCTLS, 55 }; 56 size_t vm_ioctl_ncmds = nitems(vm_ioctl_cmds); 57 58 int 59 vm_attach_aplic(struct vmctx *ctx, uint64_t mem_start, size_t mem_size) 60 { 61 struct vm_aplic_descr aplic; 62 63 bzero(&aplic, sizeof(aplic)); 64 aplic.mem_start = mem_start; 65 aplic.mem_size = mem_size; 66 67 return (ioctl(ctx->fd, VM_ATTACH_APLIC, &aplic)); 68 } 69 70 int 71 vm_assert_irq(struct vmctx *ctx, uint32_t irq) 72 { 73 struct vm_irq vi; 74 75 bzero(&vi, sizeof(vi)); 76 vi.irq = irq; 77 78 return (ioctl(ctx->fd, VM_ASSERT_IRQ, &vi)); 79 } 80 81 int 82 vm_deassert_irq(struct vmctx *ctx, uint32_t irq) 83 { 84 struct vm_irq vi; 85 86 bzero(&vi, sizeof(vi)); 87 vi.irq = irq; 88 89 return (ioctl(ctx->fd, VM_DEASSERT_IRQ, &vi)); 90 } 91 92 int 93 vm_raise_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg, 94 int bus, int slot, int func) 95 { 96 struct vm_msi vmsi; 97 98 bzero(&vmsi, sizeof(vmsi)); 99 vmsi.addr = addr; 100 vmsi.msg = msg; 101 vmsi.bus = bus; 102 vmsi.slot = slot; 103 vmsi.func = func; 104 105 return (ioctl(ctx->fd, VM_RAISE_MSI, &vmsi)); 106 } 107 108 int 109 vm_inject_exception(struct vcpu *vcpu, uint64_t scause) 110 { 111 struct vm_exception vmexc; 112 113 bzero(&vmexc, sizeof(vmexc)); 114 vmexc.scause = scause; 115 116 return (vcpu_ioctl(vcpu, VM_INJECT_EXCEPTION, &vmexc)); 117 } 118