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1855002ddf
Currently, bhyve PCI emulation uses vm_lapic_msi() to raise an MSI in the guest. The arm64 port has a similar function, vm_raise_msi(). Add vm_raise_msi() on amd64 as well and have it simply call vm_lapic_msi() so that bhyve can use a common, generically named function. Reviewed by: corvink, andrew, jhb MFC after: 2 weeks Sponsored by: Innovate UK Differential Revision: https://reviews.freebsd.org/D41752
128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2011 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <machine/vmm.h>
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#include <machine/vmm_dev.h>
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#include <machine/vmm_snapshot.h>
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#include <assert.h>
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#include <string.h>
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#include "vmmapi.h"
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#include "internal.h"
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const char *vm_capstrmap[] = {
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[VM_CAP_MAX] = NULL,
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};
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#define VM_MD_IOCTLS \
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VM_GET_VGIC_VERSION, \
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VM_ATTACH_VGIC, \
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VM_ASSERT_IRQ, \
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VM_DEASSERT_IRQ, \
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VM_RAISE_MSI
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const cap_ioctl_t vm_ioctl_cmds[] = {
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VM_COMMON_IOCTLS,
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VM_MD_IOCTLS,
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};
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size_t vm_ioctl_ncmds = nitems(vm_ioctl_cmds);
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int
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vm_attach_vgic(struct vmctx *ctx, uint64_t dist_start, size_t dist_size,
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uint64_t redist_start, size_t redist_size)
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{
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struct vm_vgic_descr vgic;
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int error;
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bzero(&vgic, sizeof(vgic));
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error = ioctl(ctx->fd, VM_GET_VGIC_VERSION, &vgic.ver);
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if (error != 0)
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return (error);
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assert(vgic.ver.version == 3);
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vgic.v3_regs.dist_start = dist_start;
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vgic.v3_regs.dist_size = dist_size;
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vgic.v3_regs.redist_start = redist_start;
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vgic.v3_regs.redist_size = redist_size;
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return (ioctl(ctx->fd, VM_ATTACH_VGIC, &vgic));
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}
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int
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vm_assert_irq(struct vmctx *ctx, uint32_t irq)
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{
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struct vm_irq vi;
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bzero(&vi, sizeof(vi));
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vi.irq = irq;
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return (ioctl(ctx->fd, VM_ASSERT_IRQ, &vi));
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}
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int
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vm_deassert_irq(struct vmctx *ctx, uint32_t irq)
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{
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struct vm_irq vi;
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bzero(&vi, sizeof(vi));
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vi.irq = irq;
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return (ioctl(ctx->fd, VM_DEASSERT_IRQ, &vi));
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}
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int
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vm_raise_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg,
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int bus, int slot, int func)
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{
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struct vm_msi vmsi;
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bzero(&vmsi, sizeof(vmsi));
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vmsi.addr = addr;
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vmsi.msg = msg;
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vmsi.bus = bus;
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vmsi.slot = slot;
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vmsi.func = func;
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return (ioctl(ctx->fd, VM_RAISE_MSI, &vmsi));
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}
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int
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vm_inject_exception(struct vcpu *vcpu, uint64_t esr, uint64_t far)
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{
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struct vm_exception vmexc;
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bzero(&vmexc, sizeof(vmexc));
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vmexc.esr = esr;
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vmexc.far = far;
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return (vcpu_ioctl(vcpu, VM_INJECT_EXCEPTION, &vmexc));
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}
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