diff options
Diffstat (limited to 'sys/amd64/vmm/vmm_dev.c')
| -rw-r--r-- | sys/amd64/vmm/vmm_dev.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/amd64/vmm/vmm_dev.c b/sys/amd64/vmm/vmm_dev.c index f1d5795..0561785 100644 --- a/sys/amd64/vmm/vmm_dev.c +++ b/sys/amd64/vmm/vmm_dev.c @@ -48,6 +48,7 @@ __FBSDID("$FreeBSD$"); #include <machine/vmparam.h> #include <machine/vmm.h> +#include <machine/vmm_instruction_emul.h> #include <machine/vmm_dev.h> #include "vmm_lapic.h" @@ -168,6 +169,7 @@ vmmdev_ioctl(struct cdev *cdev, u_long cmd, caddr_t data, int fflag, struct vm_x2apic *x2apic; struct vm_gpa_pte *gpapte; struct vm_suspend *vmsuspend; + struct vm_gla2gpa *gg; sc = vmmdev_lookup2(cdev); if (sc == NULL) @@ -192,6 +194,7 @@ vmmdev_ioctl(struct cdev *cdev, u_long cmd, caddr_t data, int fflag, case VM_PPTDEV_MSI: case VM_PPTDEV_MSIX: case VM_SET_X2APIC_STATE: + case VM_GLA2GPA: /* * XXX fragile, handle with care * Assumes that the first field of the ioctl data is the vcpu. @@ -415,6 +418,27 @@ vmmdev_ioctl(struct cdev *cdev, u_long cmd, caddr_t data, int fflag, case VM_GET_HPET_CAPABILITIES: error = vhpet_getcap((struct vm_hpet_cap *)data); break; + case VM_GLA2GPA: { + CTASSERT(PROT_READ == VM_PROT_READ); + CTASSERT(PROT_WRITE == VM_PROT_WRITE); + CTASSERT(PROT_EXEC == VM_PROT_EXECUTE); + gg = (struct vm_gla2gpa *)data; + error = vmm_gla2gpa(sc->vm, gg->vcpuid, &gg->paging, gg->gla, + gg->prot, &gg->gpa); + KASSERT(error == 0 || error == 1 || error == -1, + ("%s: vmm_gla2gpa unknown error %d", __func__, error)); + if (error >= 0) { + /* + * error = 0: the translation was successful + * error = 1: a fault was injected into the guest + */ + gg->fault = error; + error = 0; + } else { + error = EFAULT; + } + break; + } default: error = ENOTTY; break; |
