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Differential D54210 Diff 168071 sys/amd64/vmm/vmm.c

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sys/amd64/vmm/vmm.c

Show First 20 Lines • Show All 646 Lines • ▼ Show 20 Linesvm_iommu_map(struct vm *vm)
vm_paddr_t gpa, hpa; vm_paddr_t gpa, hpa;
struct vm_mem_map *mm; struct vm_mem_map *mm;
int error, i; int error, i;
sx_assert(&vm->mem.mem_segs_lock, SX_LOCKED); sx_assert(&vm->mem.mem_segs_lock, SX_LOCKED);
pmap = vmspace_pmap(vm_vmspace(vm)); pmap = vmspace_pmap(vm_vmspace(vm));
for (i = 0; i < VM_MAX_MEMMAPS; i++) { for (i = 0; i < VM_MAX_MEMMAPS; i++) {
if (!vm_memseg_sysmem(vm, i)) mm = &vm->mem.mem_maps[i];
if (!vm_memseg_sysmem(vm, mm->segid))
continue; continue;
mm = &vm->mem.mem_maps[i];
KASSERT((mm->flags & VM_MEMMAP_F_IOMMU) == 0, KASSERT((mm->flags & VM_MEMMAP_F_IOMMU) == 0,
("iommu map found invalid memmap %#lx/%#lx/%#x", ("iommu map found invalid memmap %#lx/%#lx/%#x",
mm->gpa, mm->len, mm->flags)); mm->gpa, mm->len, mm->flags));
if ((mm->flags & VM_MEMMAP_F_WIRED) == 0) if ((mm->flags & VM_MEMMAP_F_WIRED) == 0)
continue; continue;
mm->flags |= VM_MEMMAP_F_IOMMU; mm->flags |= VM_MEMMAP_F_IOMMU;
for (gpa = mm->gpa; gpa < mm->gpa + mm->len; gpa += PAGE_SIZE) { for (gpa = mm->gpa; gpa < mm->gpa + mm->len; gpa += PAGE_SIZE) {
Show All 28 Lines
{ {
vm_paddr_t gpa; vm_paddr_t gpa;
struct vm_mem_map *mm; struct vm_mem_map *mm;
int error, i; int error, i;
sx_assert(&vm->mem.mem_segs_lock, SX_LOCKED); sx_assert(&vm->mem.mem_segs_lock, SX_LOCKED);
for (i = 0; i < VM_MAX_MEMMAPS; i++) { for (i = 0; i < VM_MAX_MEMMAPS; i++) {
if (!vm_memseg_sysmem(vm, i)) mm = &vm->mem.mem_maps[i];
if (!vm_memseg_sysmem(vm, mm->segid))
continue; continue;
mm = &vm->mem.mem_maps[i];
if ((mm->flags & VM_MEMMAP_F_IOMMU) == 0) if ((mm->flags & VM_MEMMAP_F_IOMMU) == 0)
continue; continue;
mm->flags &= ~VM_MEMMAP_F_IOMMU; mm->flags &= ~VM_MEMMAP_F_IOMMU;
KASSERT((mm->flags & VM_MEMMAP_F_WIRED) != 0, KASSERT((mm->flags & VM_MEMMAP_F_WIRED) != 0,
("iommu unmap found invalid memmap %#lx/%#lx/%#x", ("iommu unmap found invalid memmap %#lx/%#lx/%#x",
mm->gpa, mm->len, mm->flags)); mm->gpa, mm->len, mm->flags));
for (gpa = mm->gpa; gpa < mm->gpa + mm->len; gpa += PAGE_SIZE) { for (gpa = mm->gpa; gpa < mm->gpa + mm->len; gpa += PAGE_SIZE) {
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