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@@ -26,20 +26,20 @@
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#include <core/mm.h>
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#include <subdev/fb.h>
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-#include <subdev/vm.h>
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+#include <subdev/mmu.h>
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void
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nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
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{
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struct nouveau_vm *vm = vma->vm;
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- struct nouveau_vmmgr *vmm = vm->vmm;
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+ struct nouveau_mmu *mmu = vm->mmu;
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struct nouveau_mm_node *r;
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- int big = vma->node->type != vmm->spg_shift;
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+ int big = vma->node->type != mmu->spg_shift;
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u32 offset = vma->node->offset + (delta >> 12);
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u32 bits = vma->node->type - 12;
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- u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
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- u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
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- u32 max = 1 << (vmm->pgt_bits - bits);
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+ u32 pde = (offset >> mmu->pgt_bits) - vm->fpde;
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+ u32 pte = (offset & ((1 << mmu->pgt_bits) - 1)) >> bits;
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+ u32 max = 1 << (mmu->pgt_bits - bits);
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u32 end, len;
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delta = 0;
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@@ -55,7 +55,7 @@ nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
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end = max;
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len = end - pte;
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- vmm->map(vma, pgt, node, pte, len, phys, delta);
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+ mmu->map(vma, pgt, node, pte, len, phys, delta);
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num -= len;
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pte += len;
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@@ -69,7 +69,7 @@ nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
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}
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}
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- vmm->flush(vm);
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+ mmu->flush(vm);
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}
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static void
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@@ -77,14 +77,14 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
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struct nouveau_mem *mem)
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{
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struct nouveau_vm *vm = vma->vm;
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- struct nouveau_vmmgr *vmm = vm->vmm;
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- int big = vma->node->type != vmm->spg_shift;
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+ struct nouveau_mmu *mmu = vm->mmu;
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+ int big = vma->node->type != mmu->spg_shift;
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u32 offset = vma->node->offset + (delta >> 12);
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u32 bits = vma->node->type - 12;
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u32 num = length >> vma->node->type;
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- u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
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- u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
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- u32 max = 1 << (vmm->pgt_bits - bits);
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+ u32 pde = (offset >> mmu->pgt_bits) - vm->fpde;
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+ u32 pte = (offset & ((1 << mmu->pgt_bits) - 1)) >> bits;
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+ u32 max = 1 << (mmu->pgt_bits - bits);
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unsigned m, sglen;
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u32 end, len;
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int i;
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@@ -102,7 +102,7 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
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for (m = 0; m < len; m++) {
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dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
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- vmm->map_sg(vma, pgt, mem, pte, 1, &addr);
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+ mmu->map_sg(vma, pgt, mem, pte, 1, &addr);
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num--;
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pte++;
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@@ -117,7 +117,7 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
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for (; m < sglen; m++) {
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dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
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- vmm->map_sg(vma, pgt, mem, pte, 1, &addr);
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+ mmu->map_sg(vma, pgt, mem, pte, 1, &addr);
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num--;
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pte++;
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if (num == 0)
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@@ -127,7 +127,7 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
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}
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finish:
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- vmm->flush(vm);
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+ mmu->flush(vm);
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}
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static void
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@@ -135,15 +135,15 @@ nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length,
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struct nouveau_mem *mem)
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{
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struct nouveau_vm *vm = vma->vm;
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- struct nouveau_vmmgr *vmm = vm->vmm;
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+ struct nouveau_mmu *mmu = vm->mmu;
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dma_addr_t *list = mem->pages;
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- int big = vma->node->type != vmm->spg_shift;
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+ int big = vma->node->type != mmu->spg_shift;
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u32 offset = vma->node->offset + (delta >> 12);
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u32 bits = vma->node->type - 12;
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u32 num = length >> vma->node->type;
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- u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
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- u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
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- u32 max = 1 << (vmm->pgt_bits - bits);
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+ u32 pde = (offset >> mmu->pgt_bits) - vm->fpde;
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+ u32 pte = (offset & ((1 << mmu->pgt_bits) - 1)) >> bits;
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+ u32 max = 1 << (mmu->pgt_bits - bits);
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u32 end, len;
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while (num) {
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@@ -154,7 +154,7 @@ nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length,
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end = max;
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len = end - pte;
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- vmm->map_sg(vma, pgt, mem, pte, len, list);
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+ mmu->map_sg(vma, pgt, mem, pte, len, list);
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num -= len;
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pte += len;
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@@ -165,7 +165,7 @@ nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length,
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}
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}
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- vmm->flush(vm);
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+ mmu->flush(vm);
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}
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void
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@@ -184,14 +184,14 @@ void
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nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length)
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{
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struct nouveau_vm *vm = vma->vm;
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- struct nouveau_vmmgr *vmm = vm->vmm;
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- int big = vma->node->type != vmm->spg_shift;
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+ struct nouveau_mmu *mmu = vm->mmu;
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+ int big = vma->node->type != mmu->spg_shift;
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u32 offset = vma->node->offset + (delta >> 12);
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u32 bits = vma->node->type - 12;
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u32 num = length >> vma->node->type;
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- u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
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- u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
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- u32 max = 1 << (vmm->pgt_bits - bits);
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+ u32 pde = (offset >> mmu->pgt_bits) - vm->fpde;
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+ u32 pte = (offset & ((1 << mmu->pgt_bits) - 1)) >> bits;
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+ u32 max = 1 << (mmu->pgt_bits - bits);
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u32 end, len;
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while (num) {
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@@ -202,7 +202,7 @@ nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length)
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end = max;
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len = end - pte;
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- vmm->unmap(pgt, pte, len);
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+ mmu->unmap(pgt, pte, len);
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num -= len;
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pte += len;
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@@ -212,7 +212,7 @@ nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length)
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}
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}
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- vmm->flush(vm);
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+ mmu->flush(vm);
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}
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void
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@@ -224,7 +224,7 @@ nouveau_vm_unmap(struct nouveau_vma *vma)
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static void
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nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde)
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{
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- struct nouveau_vmmgr *vmm = vm->vmm;
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+ struct nouveau_mmu *mmu = vm->mmu;
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struct nouveau_vm_pgd *vpgd;
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struct nouveau_vm_pgt *vpgt;
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struct nouveau_gpuobj *pgt;
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@@ -239,47 +239,47 @@ nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde)
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vpgt->obj[big] = NULL;
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list_for_each_entry(vpgd, &vm->pgd_list, head) {
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- vmm->map_pgt(vpgd->obj, pde, vpgt->obj);
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+ mmu->map_pgt(vpgd->obj, pde, vpgt->obj);
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}
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- mutex_unlock(&nv_subdev(vmm)->mutex);
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+ mutex_unlock(&nv_subdev(mmu)->mutex);
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nouveau_gpuobj_ref(NULL, &pgt);
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- mutex_lock(&nv_subdev(vmm)->mutex);
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+ mutex_lock(&nv_subdev(mmu)->mutex);
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}
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}
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static int
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nouveau_vm_map_pgt(struct nouveau_vm *vm, u32 pde, u32 type)
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{
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- struct nouveau_vmmgr *vmm = vm->vmm;
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+ struct nouveau_mmu *mmu = vm->mmu;
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struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde];
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struct nouveau_vm_pgd *vpgd;
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struct nouveau_gpuobj *pgt;
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- int big = (type != vmm->spg_shift);
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+ int big = (type != mmu->spg_shift);
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u32 pgt_size;
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int ret;
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- pgt_size = (1 << (vmm->pgt_bits + 12)) >> type;
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+ pgt_size = (1 << (mmu->pgt_bits + 12)) >> type;
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pgt_size *= 8;
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- mutex_unlock(&nv_subdev(vmm)->mutex);
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- ret = nouveau_gpuobj_new(nv_object(vm->vmm), NULL, pgt_size, 0x1000,
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+ mutex_unlock(&nv_subdev(mmu)->mutex);
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+ ret = nouveau_gpuobj_new(nv_object(vm->mmu), NULL, pgt_size, 0x1000,
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NVOBJ_FLAG_ZERO_ALLOC, &pgt);
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- mutex_lock(&nv_subdev(vmm)->mutex);
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+ mutex_lock(&nv_subdev(mmu)->mutex);
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if (unlikely(ret))
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return ret;
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/* someone beat us to filling the PDE while we didn't have the lock */
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if (unlikely(vpgt->refcount[big]++)) {
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- mutex_unlock(&nv_subdev(vmm)->mutex);
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+ mutex_unlock(&nv_subdev(mmu)->mutex);
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nouveau_gpuobj_ref(NULL, &pgt);
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- mutex_lock(&nv_subdev(vmm)->mutex);
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+ mutex_lock(&nv_subdev(mmu)->mutex);
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return 0;
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}
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vpgt->obj[big] = pgt;
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list_for_each_entry(vpgd, &vm->pgd_list, head) {
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- vmm->map_pgt(vpgd->obj, pde, vpgt->obj);
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+ mmu->map_pgt(vpgd->obj, pde, vpgt->obj);
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}
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return 0;
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@@ -289,26 +289,26 @@ int
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nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift,
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u32 access, struct nouveau_vma *vma)
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{
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- struct nouveau_vmmgr *vmm = vm->vmm;
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+ struct nouveau_mmu *mmu = vm->mmu;
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u32 align = (1 << page_shift) >> 12;
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u32 msize = size >> 12;
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u32 fpde, lpde, pde;
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int ret;
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- mutex_lock(&nv_subdev(vmm)->mutex);
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+ mutex_lock(&nv_subdev(mmu)->mutex);
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ret = nouveau_mm_head(&vm->mm, 0, page_shift, msize, msize, align,
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&vma->node);
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if (unlikely(ret != 0)) {
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- mutex_unlock(&nv_subdev(vmm)->mutex);
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+ mutex_unlock(&nv_subdev(mmu)->mutex);
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return ret;
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}
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- fpde = (vma->node->offset >> vmm->pgt_bits);
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- lpde = (vma->node->offset + vma->node->length - 1) >> vmm->pgt_bits;
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+ fpde = (vma->node->offset >> mmu->pgt_bits);
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+ lpde = (vma->node->offset + vma->node->length - 1) >> mmu->pgt_bits;
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for (pde = fpde; pde <= lpde; pde++) {
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struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde];
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- int big = (vma->node->type != vmm->spg_shift);
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+ int big = (vma->node->type != mmu->spg_shift);
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if (likely(vpgt->refcount[big])) {
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vpgt->refcount[big]++;
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@@ -320,11 +320,11 @@ nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift,
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if (pde != fpde)
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nouveau_vm_unmap_pgt(vm, big, fpde, pde - 1);
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nouveau_mm_free(&vm->mm, &vma->node);
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- mutex_unlock(&nv_subdev(vmm)->mutex);
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+ mutex_unlock(&nv_subdev(mmu)->mutex);
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return ret;
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}
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}
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- mutex_unlock(&nv_subdev(vmm)->mutex);
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+ mutex_unlock(&nv_subdev(mmu)->mutex);
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vma->vm = NULL;
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nouveau_vm_ref(vm, &vma->vm, NULL);
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@@ -337,24 +337,24 @@ void
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nouveau_vm_put(struct nouveau_vma *vma)
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{
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struct nouveau_vm *vm = vma->vm;
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- struct nouveau_vmmgr *vmm = vm->vmm;
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+ struct nouveau_mmu *mmu = vm->mmu;
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u32 fpde, lpde;
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if (unlikely(vma->node == NULL))
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return;
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- fpde = (vma->node->offset >> vmm->pgt_bits);
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- lpde = (vma->node->offset + vma->node->length - 1) >> vmm->pgt_bits;
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+ fpde = (vma->node->offset >> mmu->pgt_bits);
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+ lpde = (vma->node->offset + vma->node->length - 1) >> mmu->pgt_bits;
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- mutex_lock(&nv_subdev(vmm)->mutex);
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- nouveau_vm_unmap_pgt(vm, vma->node->type != vmm->spg_shift, fpde, lpde);
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+ mutex_lock(&nv_subdev(mmu)->mutex);
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+ nouveau_vm_unmap_pgt(vm, vma->node->type != mmu->spg_shift, fpde, lpde);
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nouveau_mm_free(&vm->mm, &vma->node);
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- mutex_unlock(&nv_subdev(vmm)->mutex);
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+ mutex_unlock(&nv_subdev(mmu)->mutex);
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nouveau_vm_ref(NULL, &vma->vm, NULL);
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}
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int
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-nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
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+nouveau_vm_create(struct nouveau_mmu *mmu, u64 offset, u64 length,
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u64 mm_offset, u32 block, struct nouveau_vm **pvm)
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{
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struct nouveau_vm *vm;
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@@ -366,10 +366,10 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
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return -ENOMEM;
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INIT_LIST_HEAD(&vm->pgd_list);
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- vm->vmm = vmm;
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+ vm->mmu = mmu;
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kref_init(&vm->refcount);
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- vm->fpde = offset >> (vmm->pgt_bits + 12);
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- vm->lpde = (offset + length - 1) >> (vmm->pgt_bits + 12);
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+ vm->fpde = offset >> (mmu->pgt_bits + 12);
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+ vm->lpde = (offset + length - 1) >> (mmu->pgt_bits + 12);
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vm->pgt = vzalloc((vm->lpde - vm->fpde + 1) * sizeof(*vm->pgt));
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if (!vm->pgt) {
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@@ -394,14 +394,14 @@ int
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nouveau_vm_new(struct nouveau_device *device, u64 offset, u64 length,
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u64 mm_offset, struct nouveau_vm **pvm)
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{
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- struct nouveau_vmmgr *vmm = nouveau_vmmgr(device);
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- return vmm->create(vmm, offset, length, mm_offset, pvm);
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+ struct nouveau_mmu *mmu = nouveau_mmu(device);
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+ return mmu->create(mmu, offset, length, mm_offset, pvm);
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}
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static int
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nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
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{
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- struct nouveau_vmmgr *vmm = vm->vmm;
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+ struct nouveau_mmu *mmu = vm->mmu;
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struct nouveau_vm_pgd *vpgd;
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int i;
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@@ -414,25 +414,25 @@ nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
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nouveau_gpuobj_ref(pgd, &vpgd->obj);
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- mutex_lock(&nv_subdev(vmm)->mutex);
|
|
|
+ mutex_lock(&nv_subdev(mmu)->mutex);
|
|
|
for (i = vm->fpde; i <= vm->lpde; i++)
|
|
|
- vmm->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
|
|
|
+ mmu->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
|
|
|
list_add(&vpgd->head, &vm->pgd_list);
|
|
|
- mutex_unlock(&nv_subdev(vmm)->mutex);
|
|
|
+ mutex_unlock(&nv_subdev(mmu)->mutex);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
static void
|
|
|
nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *mpgd)
|
|
|
{
|
|
|
- struct nouveau_vmmgr *vmm = vm->vmm;
|
|
|
+ struct nouveau_mmu *mmu = vm->mmu;
|
|
|
struct nouveau_vm_pgd *vpgd, *tmp;
|
|
|
struct nouveau_gpuobj *pgd = NULL;
|
|
|
|
|
|
if (!mpgd)
|
|
|
return;
|
|
|
|
|
|
- mutex_lock(&nv_subdev(vmm)->mutex);
|
|
|
+ mutex_lock(&nv_subdev(mmu)->mutex);
|
|
|
list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) {
|
|
|
if (vpgd->obj == mpgd) {
|
|
|
pgd = vpgd->obj;
|
|
@@ -441,7 +441,7 @@ nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *mpgd)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
- mutex_unlock(&nv_subdev(vmm)->mutex);
|
|
|
+ mutex_unlock(&nv_subdev(mmu)->mutex);
|
|
|
|
|
|
nouveau_gpuobj_ref(NULL, &pgd);
|
|
|
}
|