diff --git a/lib/libvmmapi/aarch64/Makefile.inc b/lib/libvmmapi/aarch64/Makefile.inc new file mode 100644 --- /dev/null +++ b/lib/libvmmapi/aarch64/Makefile.inc @@ -0,0 +1 @@ +SRCS+= vmmapi_machdep.c diff --git a/lib/libvmmapi/aarch64/vmmapi_machdep.c b/lib/libvmmapi/aarch64/vmmapi_machdep.c new file mode 100644 --- /dev/null +++ b/lib/libvmmapi/aarch64/vmmapi_machdep.c @@ -0,0 +1,127 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2011 NetApp, Inc. + * All rights reserved. + * + * 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 NETAPP, INC ``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 NETAPP, INC 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. + */ + +#include +#include + +#include +#include +#include + +#include +#include + +#include "vmmapi.h" +#include "internal.h" + +const char *vm_capstrmap[] = { + [VM_CAP_MAX] = NULL, +}; + +#define VM_MD_IOCTLS \ + VM_GET_VGIC_VERSION, \ + VM_ATTACH_VGIC, \ + VM_ASSERT_IRQ, \ + VM_DEASSERT_IRQ, \ + VM_RAISE_MSI + +const cap_ioctl_t vm_ioctl_cmds[] = { + VM_COMMON_IOCTLS, + VM_MD_IOCTLS, +}; +size_t vm_ioctl_ncmds = nitems(vm_ioctl_cmds); + +int +vm_attach_vgic(struct vmctx *ctx, uint64_t dist_start, size_t dist_size, + uint64_t redist_start, size_t redist_size) +{ + struct vm_vgic_descr vgic; + int error; + + bzero(&vgic, sizeof(vgic)); + error = ioctl(ctx->fd, VM_GET_VGIC_VERSION, &vgic.ver); + if (error != 0) + return (error); + assert(vgic.ver.version == 3); + vgic.v3_regs.dist_start = dist_start; + vgic.v3_regs.dist_size = dist_size; + vgic.v3_regs.redist_start = redist_start; + vgic.v3_regs.redist_size = redist_size; + + return (ioctl(ctx->fd, VM_ATTACH_VGIC, &vgic)); +} + +int +vm_assert_irq(struct vmctx *ctx, uint32_t irq) +{ + struct vm_irq vi; + + bzero(&vi, sizeof(vi)); + vi.irq = irq; + + return (ioctl(ctx->fd, VM_ASSERT_IRQ, &vi)); +} + +int +vm_deassert_irq(struct vmctx *ctx, uint32_t irq) +{ + struct vm_irq vi; + + bzero(&vi, sizeof(vi)); + vi.irq = irq; + + return (ioctl(ctx->fd, VM_DEASSERT_IRQ, &vi)); +} + +int +vm_raise_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg, int bus, int slot, + int func) +{ + struct vm_msi vmsi; + + bzero(&vmsi, sizeof(vmsi)); + vmsi.addr = addr; + vmsi.msg = msg; + vmsi.bus = bus; + vmsi.slot = slot; + vmsi.func = func; + + return (ioctl(ctx->fd, VM_RAISE_MSI, &vmsi)); +} + +int +vm_inject_exception(struct vcpu *vcpu, uint64_t esr, uint64_t far) +{ + struct vm_exception vmexc; + + bzero(&vmexc, sizeof(vmexc)); + vmexc.esr = esr; + vmexc.far = far; + + return (vcpu_ioctl(vcpu, VM_INJECT_EXCEPTION, &vmexc)); +} diff --git a/lib/libvmmapi/vmmapi.h b/lib/libvmmapi/vmmapi.h --- a/lib/libvmmapi/vmmapi.h +++ b/lib/libvmmapi/vmmapi.h @@ -158,6 +158,15 @@ int vm_suspend(struct vmctx *ctx, enum vm_suspend_how how); int vm_reinit(struct vmctx *ctx); int vm_apicid2vcpu(struct vmctx *ctx, int apicid); +#ifdef __aarch64__ +int vm_attach_vgic(struct vmctx *ctx, uint64_t dist_start, size_t dist_size, + uint64_t redist_start, size_t redist_size); +int vm_assert_irq(struct vmctx *ctx, uint32_t irq); +int vm_deassert_irq(struct vmctx *ctx, uint32_t irq); +int vm_raise_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg, int bus, + int slot, int func); +int vm_inject_exception(struct vcpu *vcpu, uint64_t esr, uint64_t far); +#endif #ifdef __amd64__ int vm_inject_exception(struct vcpu *vcpu, int vector, int errcode_valid, uint32_t errcode, int restart_instruction); diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c --- a/lib/libvmmapi/vmmapi.c +++ b/lib/libvmmapi/vmmapi.c @@ -59,7 +59,11 @@ #define MB (1024 * 1024UL) #define GB (1024 * 1024 * 1024UL) +#ifdef __amd64__ #define VM_LOWMEM_LIMIT (3 * GB) +#else +#define VM_LOWMEM_LIMIT 0 +#endif #define VM_HIGHMEM_BASE (4 * GB) /*