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_GET_VGIC_VERSION, \ 48 VM_ATTACH_VGIC, \ 49 VM_ASSERT_IRQ, \ 50 VM_DEASSERT_IRQ, \ 51 VM_RAISE_MSI 52 53 const cap_ioctl_t vm_ioctl_cmds[] = { 54 VM_COMMON_IOCTLS, 55 VM_MD_IOCTLS, 56 }; 57 size_t vm_ioctl_ncmds = nitems(vm_ioctl_cmds); 58 59 int 60 vm_attach_vgic(struct vmctx *ctx, uint64_t dist_start, size_t dist_size, 61 uint64_t redist_start, size_t redist_size) 62 { 63 struct vm_vgic_descr vgic; 64 int error; 65 66 bzero(&vgic, sizeof(vgic)); 67 error = ioctl(ctx->fd, VM_GET_VGIC_VERSION, &vgic.ver); 68 if (error != 0) 69 return (error); 70 assert(vgic.ver.version == 3); 71 vgic.v3_regs.dist_start = dist_start; 72 vgic.v3_regs.dist_size = dist_size; 73 vgic.v3_regs.redist_start = redist_start; 74 vgic.v3_regs.redist_size = redist_size; 75 76 return (ioctl(ctx->fd, VM_ATTACH_VGIC, &vgic)); 77 } 78 79 int 80 vm_assert_irq(struct vmctx *ctx, uint32_t irq) 81 { 82 struct vm_irq vi; 83 84 bzero(&vi, sizeof(vi)); 85 vi.irq = irq; 86 87 return (ioctl(ctx->fd, VM_ASSERT_IRQ, &vi)); 88 } 89 90 int 91 vm_deassert_irq(struct vmctx *ctx, uint32_t irq) 92 { 93 struct vm_irq vi; 94 95 bzero(&vi, sizeof(vi)); 96 vi.irq = irq; 97 98 return (ioctl(ctx->fd, VM_DEASSERT_IRQ, &vi)); 99 } 100 101 int 102 vm_raise_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg, 103 int bus, int slot, int func) 104 { 105 struct vm_msi vmsi; 106 107 bzero(&vmsi, sizeof(vmsi)); 108 vmsi.addr = addr; 109 vmsi.msg = msg; 110 vmsi.bus = bus; 111 vmsi.slot = slot; 112 vmsi.func = func; 113 114 return (ioctl(ctx->fd, VM_RAISE_MSI, &vmsi)); 115 } 116 117 int 118 vm_inject_exception(struct vcpu *vcpu, uint64_t esr, uint64_t far) 119 { 120 struct vm_exception vmexc; 121 122 bzero(&vmexc, sizeof(vmexc)); 123 vmexc.esr = esr; 124 vmexc.far = far; 125 126 return (vcpu_ioctl(vcpu, VM_INJECT_EXCEPTION, &vmexc)); 127 } 128