diff options
Diffstat (limited to 'lib/libvmmapi/ppt.c')
| -rw-r--r-- | lib/libvmmapi/ppt.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/lib/libvmmapi/ppt.c b/lib/libvmmapi/ppt.c new file mode 100644 index 000000000000..fd49f8eed168 --- /dev/null +++ b/lib/libvmmapi/ppt.c @@ -0,0 +1,144 @@ +/*- + * 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 <string.h> + +#include "vmmapi.h" +#include "internal.h" + +int +vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func) +{ + struct vm_pptdev pptdev; + + bzero(&pptdev, sizeof(pptdev)); + pptdev.bus = bus; + pptdev.slot = slot; + pptdev.func = func; + + return (ioctl(ctx->fd, VM_BIND_PPTDEV, &pptdev)); +} + +int +vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func) +{ + struct vm_pptdev pptdev; + + bzero(&pptdev, sizeof(pptdev)); + pptdev.bus = bus; + pptdev.slot = slot; + pptdev.func = func; + + return (ioctl(ctx->fd, VM_UNBIND_PPTDEV, &pptdev)); +} + +int +vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func, + vm_paddr_t gpa, size_t len, vm_paddr_t hpa) +{ + struct vm_pptdev_mmio pptmmio; + + bzero(&pptmmio, sizeof(pptmmio)); + pptmmio.bus = bus; + pptmmio.slot = slot; + pptmmio.func = func; + pptmmio.gpa = gpa; + pptmmio.len = len; + pptmmio.hpa = hpa; + + return (ioctl(ctx->fd, VM_MAP_PPTDEV_MMIO, &pptmmio)); +} + +int +vm_unmap_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func, + vm_paddr_t gpa, size_t len) +{ + struct vm_pptdev_mmio pptmmio; + + bzero(&pptmmio, sizeof(pptmmio)); + pptmmio.bus = bus; + pptmmio.slot = slot; + pptmmio.func = func; + pptmmio.gpa = gpa; + pptmmio.len = len; + + return (ioctl(ctx->fd, VM_UNMAP_PPTDEV_MMIO, &pptmmio)); +} + +int +vm_setup_pptdev_msi(struct vmctx *ctx, int bus, int slot, int func, + uint64_t addr, uint64_t msg, int numvec) +{ + struct vm_pptdev_msi pptmsi; + + bzero(&pptmsi, sizeof(pptmsi)); + pptmsi.bus = bus; + pptmsi.slot = slot; + pptmsi.func = func; + pptmsi.msg = msg; + pptmsi.addr = addr; + pptmsi.numvec = numvec; + + return (ioctl(ctx->fd, VM_PPTDEV_MSI, &pptmsi)); +} + +int +vm_setup_pptdev_msix(struct vmctx *ctx, int bus, int slot, int func, + int idx, uint64_t addr, uint64_t msg, uint32_t vector_control) +{ + struct vm_pptdev_msix pptmsix; + + bzero(&pptmsix, sizeof(pptmsix)); + pptmsix.bus = bus; + pptmsix.slot = slot; + pptmsix.func = func; + pptmsix.idx = idx; + pptmsix.msg = msg; + pptmsix.addr = addr; + pptmsix.vector_control = vector_control; + + return (ioctl(ctx->fd, VM_PPTDEV_MSIX, &pptmsix)); +} + +int +vm_disable_pptdev_msix(struct vmctx *ctx, int bus, int slot, int func) +{ + struct vm_pptdev ppt; + + bzero(&ppt, sizeof(ppt)); + ppt.bus = bus; + ppt.slot = slot; + ppt.func = func; + + return (ioctl(ctx->fd, VM_PPTDEV_DISABLE_MSIX, &ppt)); +} |