diff options
Diffstat (limited to 'lib/libvmmapi/riscv/vmmapi_machdep.c')
-rw-r--r-- | lib/libvmmapi/riscv/vmmapi_machdep.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/lib/libvmmapi/riscv/vmmapi_machdep.c b/lib/libvmmapi/riscv/vmmapi_machdep.c new file mode 100644 index 000000000000..4da2fb909f61 --- /dev/null +++ b/lib/libvmmapi/riscv/vmmapi_machdep.c @@ -0,0 +1,118 @@ +/*- + * 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 <sys/types.h> +#include <sys/ioctl.h> + +#include <machine/vmm.h> +#include <machine/vmm_dev.h> +#include <machine/vmm_snapshot.h> + +#include <assert.h> +#include <string.h> + +#include "vmmapi.h" +#include "internal.h" + +const char *vm_capstrmap[] = { + [VM_CAP_SSTC] = "sstc", + [VM_CAP_MAX] = NULL, +}; + +#define VM_MD_IOCTLS \ + VM_ATTACH_APLIC, \ + 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_aplic(struct vmctx *ctx, uint64_t mem_start, size_t mem_size) +{ + struct vm_aplic_descr aplic; + + bzero(&aplic, sizeof(aplic)); + aplic.mem_start = mem_start; + aplic.mem_size = mem_size; + + return (ioctl(ctx->fd, VM_ATTACH_APLIC, &aplic)); +} + +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 scause) +{ + struct vm_exception vmexc; + + bzero(&vmexc, sizeof(vmexc)); + vmexc.scause = scause; + + return (vcpu_ioctl(vcpu, VM_INJECT_EXCEPTION, &vmexc)); +} |