*
* Authors: Ben Skeggs
*/
-#include "priv.h"
+#include "gf100.h"
-#include <core/device.h>
#include <core/gpuobj.h>
#include <subdev/fb.h>
#include <subdev/mmu.h>
-struct gf100_bar_priv_vm {
- struct nvkm_gpuobj *mem;
- struct nvkm_gpuobj *pgd;
- struct nvkm_vm *vm;
-};
-
-struct gf100_bar_priv {
- struct nvkm_bar base;
- spinlock_t lock;
- struct gf100_bar_priv_vm bar[2];
-};
-
-static int
-gf100_bar_kmap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
- struct nvkm_vma *vma)
-{
- struct gf100_bar_priv *priv = (void *)bar;
- int ret;
-
- ret = nvkm_vm_get(priv->bar[0].vm, mem->size << 12, 12, flags, vma);
- if (ret)
- return ret;
-
- nvkm_vm_map(vma, mem);
- return 0;
-}
-
-static int
-gf100_bar_umap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
- struct nvkm_vma *vma)
+static struct nvkm_vm *
+gf100_bar_kmap(struct nvkm_bar *base)
{
- struct gf100_bar_priv *priv = (void *)bar;
- int ret;
-
- ret = nvkm_vm_get(priv->bar[1].vm, mem->size << 12,
- mem->page_shift, flags, vma);
- if (ret)
- return ret;
-
- nvkm_vm_map(vma, mem);
- return 0;
+ return gf100_bar(base)->bar[0].vm;
}
-static void
-gf100_bar_unmap(struct nvkm_bar *bar, struct nvkm_vma *vma)
+int
+gf100_bar_umap(struct nvkm_bar *base, u64 size, int type, struct nvkm_vma *vma)
{
- nvkm_vm_unmap(vma);
- nvkm_vm_put(vma);
+ struct gf100_bar *bar = gf100_bar(base);
+ return nvkm_vm_get(bar->bar[1].vm, size, type, NV_MEM_ACCESS_RW, vma);
}
static int
-gf100_bar_ctor_vm(struct gf100_bar_priv *priv, struct gf100_bar_priv_vm *bar_vm,
- int bar_nr)
+gf100_bar_ctor_vm(struct gf100_bar *bar, struct gf100_bar_vm *bar_vm,
+ struct lock_class_key *key, int bar_nr)
{
- struct nvkm_device *device = nv_device(&priv->base);
+ struct nvkm_device *device = bar->base.subdev.device;
struct nvkm_vm *vm;
resource_size_t bar_len;
int ret;
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x1000, 0, 0,
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0, false,
&bar_vm->mem);
if (ret)
return ret;
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x8000, 0, 0,
- &bar_vm->pgd);
+ ret = nvkm_gpuobj_new(device, 0x8000, 0, false, NULL, &bar_vm->pgd);
if (ret)
return ret;
- bar_len = nv_device_resource_len(device, bar_nr);
+ bar_len = device->func->resource_size(device, bar_nr);
- ret = nvkm_vm_new(device, 0, bar_len, 0, &vm);
+ ret = nvkm_vm_new(device, 0, bar_len, 0, key, &vm);
if (ret)
return ret;
- atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
+ atomic_inc(&vm->engref[NVKM_SUBDEV_BAR]);
/*
* Bootstrap page table lookup.
*/
if (bar_nr == 3) {
- ret = nvkm_gpuobj_new(nv_object(priv), NULL,
- (bar_len >> 12) * 8, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC,
- &vm->pgt[0].obj[0]);
- vm->pgt[0].refcount[0] = 1;
- if (ret)
+ ret = nvkm_vm_boot(vm, bar_len);
+ if (ret) {
+ nvkm_vm_ref(NULL, &vm, NULL);
return ret;
+ }
}
ret = nvkm_vm_ref(vm, &bar_vm->vm, bar_vm->pgd);
if (ret)
return ret;
- nv_wo32(bar_vm->mem, 0x0200, lower_32_bits(bar_vm->pgd->addr));
- nv_wo32(bar_vm->mem, 0x0204, upper_32_bits(bar_vm->pgd->addr));
- nv_wo32(bar_vm->mem, 0x0208, lower_32_bits(bar_len - 1));
- nv_wo32(bar_vm->mem, 0x020c, upper_32_bits(bar_len - 1));
+ nvkm_kmap(bar_vm->mem);
+ nvkm_wo32(bar_vm->mem, 0x0200, lower_32_bits(bar_vm->pgd->addr));
+ nvkm_wo32(bar_vm->mem, 0x0204, upper_32_bits(bar_vm->pgd->addr));
+ nvkm_wo32(bar_vm->mem, 0x0208, lower_32_bits(bar_len - 1));
+ nvkm_wo32(bar_vm->mem, 0x020c, upper_32_bits(bar_len - 1));
+ nvkm_done(bar_vm->mem);
return 0;
}
int
-gf100_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+gf100_bar_oneinit(struct nvkm_bar *base)
{
- struct nvkm_device *device = nv_device(parent);
- struct gf100_bar_priv *priv;
- bool has_bar3 = nv_device_resource_len(device, 3) != 0;
+ static struct lock_class_key bar1_lock;
+ static struct lock_class_key bar3_lock;
+ struct gf100_bar *bar = gf100_bar(base);
int ret;
- ret = nvkm_bar_create(parent, engine, oclass, &priv);
- *pobject = nv_object(priv);
- if (ret)
- return ret;
-
/* BAR3 */
- if (has_bar3) {
- ret = gf100_bar_ctor_vm(priv, &priv->bar[0], 3);
+ if (bar->base.func->kmap) {
+ ret = gf100_bar_ctor_vm(bar, &bar->bar[0], &bar3_lock, 3);
if (ret)
return ret;
}
/* BAR1 */
- ret = gf100_bar_ctor_vm(priv, &priv->bar[1], 1);
+ ret = gf100_bar_ctor_vm(bar, &bar->bar[1], &bar1_lock, 1);
if (ret)
return ret;
- if (has_bar3) {
- priv->base.alloc = nvkm_bar_alloc;
- priv->base.kmap = gf100_bar_kmap;
- }
- priv->base.umap = gf100_bar_umap;
- priv->base.unmap = gf100_bar_unmap;
- priv->base.flush = g84_bar_flush;
- spin_lock_init(&priv->lock);
return 0;
}
-void
-gf100_bar_dtor(struct nvkm_object *object)
+int
+gf100_bar_init(struct nvkm_bar *base)
{
- struct gf100_bar_priv *priv = (void *)object;
+ struct gf100_bar *bar = gf100_bar(base);
+ struct nvkm_device *device = bar->base.subdev.device;
+ u32 addr;
+
+ nvkm_mask(device, 0x000200, 0x00000100, 0x00000000);
+ nvkm_mask(device, 0x000200, 0x00000100, 0x00000100);
- nvkm_vm_ref(NULL, &priv->bar[1].vm, priv->bar[1].pgd);
- nvkm_gpuobj_ref(NULL, &priv->bar[1].pgd);
- nvkm_gpuobj_ref(NULL, &priv->bar[1].mem);
+ addr = nvkm_memory_addr(bar->bar[1].mem) >> 12;
+ nvkm_wr32(device, 0x001704, 0x80000000 | addr);
- if (priv->bar[0].vm) {
- nvkm_gpuobj_ref(NULL, &priv->bar[0].vm->pgt[0].obj[0]);
- nvkm_vm_ref(NULL, &priv->bar[0].vm, priv->bar[0].pgd);
+ if (bar->bar[0].mem) {
+ addr = nvkm_memory_addr(bar->bar[0].mem) >> 12;
+ nvkm_wr32(device, 0x001714, 0xc0000000 | addr);
}
- nvkm_gpuobj_ref(NULL, &priv->bar[0].pgd);
- nvkm_gpuobj_ref(NULL, &priv->bar[0].mem);
- nvkm_bar_destroy(&priv->base);
+ return 0;
}
-int
-gf100_bar_init(struct nvkm_object *object)
+void *
+gf100_bar_dtor(struct nvkm_bar *base)
{
- struct gf100_bar_priv *priv = (void *)object;
- int ret;
+ struct gf100_bar *bar = gf100_bar(base);
- ret = nvkm_bar_init(&priv->base);
- if (ret)
- return ret;
+ nvkm_vm_ref(NULL, &bar->bar[1].vm, bar->bar[1].pgd);
+ nvkm_gpuobj_del(&bar->bar[1].pgd);
+ nvkm_memory_del(&bar->bar[1].mem);
- nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
- nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
+ if (bar->bar[0].vm) {
+ nvkm_memory_del(&bar->bar[0].vm->pgt[0].mem[0]);
+ nvkm_vm_ref(NULL, &bar->bar[0].vm, bar->bar[0].pgd);
+ }
+ nvkm_gpuobj_del(&bar->bar[0].pgd);
+ nvkm_memory_del(&bar->bar[0].mem);
+ return bar;
+}
- nv_wr32(priv, 0x001704, 0x80000000 | priv->bar[1].mem->addr >> 12);
- if (priv->bar[0].mem)
- nv_wr32(priv, 0x001714,
- 0xc0000000 | priv->bar[0].mem->addr >> 12);
+int
+gf100_bar_new_(const struct nvkm_bar_func *func, struct nvkm_device *device,
+ int index, struct nvkm_bar **pbar)
+{
+ struct gf100_bar *bar;
+ if (!(bar = kzalloc(sizeof(*bar), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_bar_ctor(func, device, index, &bar->base);
+ *pbar = &bar->base;
return 0;
}
-struct nvkm_oclass
-gf100_bar_oclass = {
- .handle = NV_SUBDEV(BAR, 0xc0),
- .ofuncs = &(struct nvkm_ofuncs) {
- .ctor = gf100_bar_ctor,
- .dtor = gf100_bar_dtor,
- .init = gf100_bar_init,
- .fini = _nvkm_bar_fini,
- },
+static const struct nvkm_bar_func
+gf100_bar_func = {
+ .dtor = gf100_bar_dtor,
+ .oneinit = gf100_bar_oneinit,
+ .init = gf100_bar_init,
+ .kmap = gf100_bar_kmap,
+ .umap = gf100_bar_umap,
+ .flush = g84_bar_flush,
};
+
+int
+gf100_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
+{
+ return gf100_bar_new_(&gf100_bar_func, device, index, pbar);
+}
Code Review / kvmfornfv.git / blobdiff