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_SSTC] = "sstc", 44 [VM_CAP_MAX] = NULL, 45 }; 46 47 #define VM_MD_IOCTLS \ 48 VM_ATTACH_APLIC, \ 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_aplic(struct vmctx *ctx, uint64_t mem_start, size_t mem_size) 61 { 62 struct vm_aplic_descr aplic; 63 64 bzero(&aplic, sizeof(aplic)); 65 aplic.mem_start = mem_start; 66 aplic.mem_size = mem_size; 67 68 return (ioctl(ctx->fd, VM_ATTACH_APLIC, &aplic)); 69 } 70 71 int 72 vm_assert_irq(struct vmctx *ctx, uint32_t irq) 73 { 74 struct vm_irq vi; 75 76 bzero(&vi, sizeof(vi)); 77 vi.irq = irq; 78 79 return (ioctl(ctx->fd, VM_ASSERT_IRQ, &vi)); 80 } 81 82 int 83 vm_deassert_irq(struct vmctx *ctx, uint32_t irq) 84 { 85 struct vm_irq vi; 86 87 bzero(&vi, sizeof(vi)); 88 vi.irq = irq; 89 90 return (ioctl(ctx->fd, VM_DEASSERT_IRQ, &vi)); 91 } 92 93 int 94 vm_raise_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg, 95 int bus, int slot, int func) 96 { 97 struct vm_msi vmsi; 98 99 bzero(&vmsi, sizeof(vmsi)); 100 vmsi.addr = addr; 101 vmsi.msg = msg; 102 vmsi.bus = bus; 103 vmsi.slot = slot; 104 vmsi.func = func; 105 106 return (ioctl(ctx->fd, VM_RAISE_MSI, &vmsi)); 107 } 108 109 int 110 vm_inject_exception(struct vcpu *vcpu, uint64_t scause) 111 { 112 struct vm_exception vmexc; 113 114 bzero(&vmexc, sizeof(vmexc)); 115 vmexc.scause = scause; 116 117 return (vcpu_ioctl(vcpu, VM_INJECT_EXCEPTION, &vmexc)); 118 } 119