[PATCH 083/156] drm/nouveau/nvif: rework mmu "new mem" api
Ben Skeggs
bskeggs at nvidia.com
Tue Apr 16 23:38:49 UTC 2024
- transition from "ioctl" interface
Signed-off-by: Ben Skeggs <bskeggs at nvidia.com>
---
drivers/gpu/drm/nouveau/dispnv50/crc.c | 6 +--
drivers/gpu/drm/nouveau/dispnv50/lut.c | 2 +-
.../gpu/drm/nouveau/include/nvif/driverif.h | 11 +++++
drivers/gpu/drm/nouveau/include/nvif/mem.h | 8 ++--
drivers/gpu/drm/nouveau/nouveau_bo.c | 10 ++--
drivers/gpu/drm/nouveau/nouveau_mem.c | 4 +-
drivers/gpu/drm/nouveau/nouveau_vmm.c | 10 ++--
drivers/gpu/drm/nouveau/nvif/mem.c | 43 +++++++----------
.../gpu/drm/nouveau/nvkm/subdev/mmu/umem.c | 47 +++++++++++--------
.../gpu/drm/nouveau/nvkm/subdev/mmu/umem.h | 5 +-
.../gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c | 23 +++++----
11 files changed, 92 insertions(+), 77 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c b/drivers/gpu/drm/nouveau/dispnv50/crc.c
index 0864d36a06f2..694c25a19e25 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/crc.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c
@@ -513,9 +513,9 @@ nv50_crc_ctx_init(struct nv50_head *head, struct nvif_mmu *mmu,
(&(struct nv_dma_v0) {
.target = NV_DMA_V0_TARGET_VRAM,
.access = NV_DMA_V0_ACCESS_RDWR,
- .start = ctx->mem.addr,
- .limit = ctx->mem.addr
- + ctx->mem.size - 1,
+ .start = ctx->mem.impl->addr,
+ .limit = ctx->mem.impl->addr
+ + ctx->mem.impl->size - 1,
}), sizeof(struct nv_dma_v0),
&ctx->ntfy);
if (ret)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/lut.c b/drivers/gpu/drm/nouveau/dispnv50/lut.c
index 6b2ad1e6eab9..7d68a7efc1d5 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/lut.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/lut.c
@@ -34,7 +34,7 @@ nv50_lut_load(struct nv50_lut *lut, int buffer, struct drm_property_blob *blob,
{
struct drm_color_lut *in = blob ? blob->data : NULL;
void __iomem *mem = lut->mem[buffer].object.map.ptr;
- const u32 addr = lut->mem[buffer].addr;
+ const u32 addr = lut->mem[buffer].impl->addr;
int i;
if (!in) {
diff --git a/drivers/gpu/drm/nouveau/include/nvif/driverif.h b/drivers/gpu/drm/nouveau/include/nvif/driverif.h
index f387ec622a45..de380979e1a4 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/driverif.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/driverif.h
@@ -6,6 +6,7 @@ struct nvif_device_priv;
struct nvif_control_priv;
struct nvif_usermode_priv;
struct nvif_mmu_priv;
+struct nvif_mem_priv;
struct nvif_driver {
const char *name;
@@ -76,6 +77,14 @@ struct nvif_usermode_impl {
struct nvif_mapinfo map;
};
+struct nvif_mem_impl {
+ void (*del)(struct nvif_mem_priv *);
+
+ u8 page;
+ u64 addr;
+ u64 size;
+};
+
struct nvif_mmu_impl {
void (*del)(struct nvif_mmu_priv *);
@@ -107,6 +116,8 @@ struct nvif_mmu_impl {
struct {
s32 oclass;
+ int (*new)(struct nvif_mmu_priv *, u8 type, u8 page, u64 size, void *argv, u32 argc,
+ const struct nvif_mem_impl **, struct nvif_mem_priv **, u64 handle);
} mem;
struct {
diff --git a/drivers/gpu/drm/nouveau/include/nvif/mem.h b/drivers/gpu/drm/nouveau/include/nvif/mem.h
index 217d13126f13..8d432d238b95 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/mem.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/mem.h
@@ -3,11 +3,11 @@
#include "mmu.h"
struct nvif_mem {
+ const struct nvif_mem_impl *impl;
+ struct nvif_mem_priv *priv;
struct nvif_object object;
- u8 type;
- u8 page;
- u64 addr;
- u64 size;
+
+ u8 type;
};
int nvif_mem_ctor_type(struct nvif_mmu *mmu, const char *name,
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 0d946e31bccd..6c90f853513d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -835,13 +835,13 @@ nouveau_bo_move_prep(struct nouveau_drm *drm, struct ttm_buffer_object *bo,
struct nvif_vmm *vmm = &drm->client.vmm.vmm;
int ret;
- ret = nvif_vmm_get(vmm, LAZY, false, old_mem->mem.page, 0,
- old_mem->mem.size, &old_mem->vma[0]);
+ ret = nvif_vmm_get(vmm, LAZY, false, old_mem->mem.impl->page, 0,
+ old_mem->mem.impl->size, &old_mem->vma[0]);
if (ret)
return ret;
- ret = nvif_vmm_get(vmm, LAZY, false, new_mem->mem.page, 0,
- new_mem->mem.size, &old_mem->vma[1]);
+ ret = nvif_vmm_get(vmm, LAZY, false, new_mem->mem.impl->page, 0,
+ new_mem->mem.impl->size, &old_mem->vma[1]);
if (ret)
goto done;
@@ -1001,7 +1001,7 @@ static void nouveau_bo_move_ntfy(struct ttm_buffer_object *bo,
nouveau_bo_del_io_reserve_lru(bo);
if (mem && new_reg->mem_type != TTM_PL_SYSTEM &&
- mem->mem.page == nvbo->page) {
+ mem->mem.impl->page == nvbo->page) {
list_for_each_entry(vma, &nvbo->vma_list, head) {
nouveau_vma_map(vma, mem);
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 872d689db7ba..ff67f00c93c5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -72,7 +72,7 @@ nouveau_mem_map(struct nouveau_mem *mem,
return -ENOSYS;
}
- return nvif_vmm_map(vmm, vma->addr, mem->mem.size, &args, argc, &mem->mem, 0);
+ return nvif_vmm_map(vmm, vma->addr, mem->mem.impl->size, &args, argc, &mem->mem, 0);
}
void
@@ -156,7 +156,7 @@ nouveau_mem_vram(struct ttm_resource *reg, bool contig, u8 page)
}
mutex_unlock(&drm->client_mutex);
- reg->start = mem->mem.addr >> PAGE_SHIFT;
+ reg->start = mem->mem.impl->addr >> PAGE_SHIFT;
return ret;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.c b/drivers/gpu/drm/nouveau/nouveau_vmm.c
index 93807d21ceff..26a41769551a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vmm.c
@@ -97,17 +97,17 @@ nouveau_vma_new(struct nouveau_bo *nvbo, struct nouveau_vmm *vmm,
list_add_tail(&vma->head, &nvbo->vma_list);
if (nvbo->bo.resource->mem_type != TTM_PL_SYSTEM &&
- mem->mem.page == nvbo->page) {
- ret = nvif_vmm_get(&vmm->vmm, LAZY, false, mem->mem.page, 0,
- mem->mem.size, &tmp);
+ mem->mem.impl->page == nvbo->page) {
+ ret = nvif_vmm_get(&vmm->vmm, LAZY, false, mem->mem.impl->page, 0,
+ mem->mem.impl->size, &tmp);
if (ret)
goto done;
vma->addr = tmp.addr;
ret = nouveau_vma_map(vma, mem);
} else {
- ret = nvif_vmm_get(&vmm->vmm, PTES, false, mem->mem.page, 0,
- mem->mem.size, &tmp);
+ ret = nvif_vmm_get(&vmm->vmm, PTES, false, mem->mem.impl->page, 0,
+ mem->mem.impl->size, &tmp);
if (ret)
goto done;
diff --git a/drivers/gpu/drm/nouveau/nvif/mem.c b/drivers/gpu/drm/nouveau/nvif/mem.c
index 600fe051be11..73e66cbfbe43 100644
--- a/drivers/gpu/drm/nouveau/nvif/mem.c
+++ b/drivers/gpu/drm/nouveau/nvif/mem.c
@@ -21,6 +21,8 @@
*/
#include <nvif/mem.h>
#include <nvif/client.h>
+#include <nvif/driverif.h>
+#include <nvif/printf.h>
#include <nvif/if000a.h>
@@ -41,7 +43,11 @@ nvif_mem_ctor_map(struct nvif_mmu *mmu, const char *name, u8 type, u64 size,
void
nvif_mem_dtor(struct nvif_mem *mem)
{
- nvif_object_dtor(&mem->object);
+ if (!mem->impl)
+ return;
+
+ mem->impl->del(mem->priv);
+ mem->impl = NULL;
}
int
@@ -49,38 +55,21 @@ nvif_mem_ctor_type(struct nvif_mmu *mmu, const char *name,
int type, u8 page, u64 size, void *argv, u32 argc,
struct nvif_mem *mem)
{
- struct nvif_mem_v0 *args;
- u8 stack[128];
+ const u32 oclass = mmu->impl->mem.oclass;
int ret;
- mem->object.client = NULL;
if (type < 0)
return -EINVAL;
- if (sizeof(*args) + argc > sizeof(stack)) {
- if (!(args = kmalloc(sizeof(*args) + argc, GFP_KERNEL)))
- return -ENOMEM;
- } else {
- args = (void *)stack;
- }
- args->version = 0;
- args->type = type;
- args->page = page;
- args->size = size;
- memcpy(args->data, argv, argc);
+ ret = mmu->impl->mem.new(mmu->priv, type, page, size, argv, argc, &mem->impl, &mem->priv,
+ nvif_handle(&mem->object));
+ NVIF_DEBUG(&mmu->object, "[NEW mem%08x] (ret:%d)", oclass, ret);
+ if (ret)
+ return ret;
- ret = nvif_object_ctor(&mmu->object, name ? name : "nvifMem", 0, mmu->impl->mem.oclass,
- args, sizeof(*args) + argc, &mem->object);
- if (ret == 0) {
- mem->type = mmu->impl->type[type].type;
- mem->page = args->page;
- mem->addr = args->addr;
- mem->size = args->size;
- }
-
- if (args != (void *)stack)
- kfree(args);
- return ret;
+ nvif_object_ctor(&mmu->object, name ?: "nvifMem", 0, mmu->impl->mem.oclass, &mem->object);
+ mem->type = mmu->impl->type[type].type;
+ return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c
index 45f589eb5d78..f1ec0ed8e7c3 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c
@@ -44,6 +44,8 @@ struct nvif_mem_priv {
struct nvkm_vma *bar;
void *map;
};
+
+ struct nvif_mem_impl impl;
};
static const struct nvkm_object_func nvkm_umem;
@@ -136,6 +138,19 @@ nvkm_umem_map(struct nvkm_object *object, void *argv, u32 argc,
return 0;
}
+static void
+nvkm_umem_del(struct nvif_mem_priv *umem)
+{
+ struct nvkm_object *object = &umem->object;
+
+ nvkm_object_del(&object);
+}
+
+static const struct nvif_mem_impl
+nvkm_umem_impl = {
+ .del = nvkm_umem_del,
+};
+
static void *
nvkm_umem_dtor(struct nvkm_object *object)
{
@@ -156,35 +171,22 @@ nvkm_umem = {
};
int
-nvkm_umem_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+nvkm_umem_new(struct nvkm_mmu *mmu, u8 type, u8 page, u64 size, void *argv, u32 argc,
+ const struct nvif_mem_impl **pimpl, struct nvif_mem_priv **ppriv,
struct nvkm_object **pobject)
{
- struct nvkm_mmu *mmu = container_of(oclass->parent, struct nvif_mmu_priv, object)->mmu;
- union {
- struct nvif_mem_v0 v0;
- } *args = argv;
struct nvif_mem_priv *umem;
- int type, ret = -ENOSYS;
- u8 page;
- u64 size;
-
- if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, true))) {
- type = args->v0.type;
- page = args->v0.page;
- size = args->v0.size;
- } else
- return ret;
+ int ret;
if (type >= mmu->type_nr)
return -EINVAL;
if (!(umem = kzalloc(sizeof(*umem), GFP_KERNEL)))
return -ENOMEM;
- nvkm_object_ctor(&nvkm_umem, oclass, &umem->object);
+ nvkm_object_ctor(&nvkm_umem, &(struct nvkm_oclass) {}, &umem->object);
umem->mmu = mmu;
umem->type = mmu->type[type].type;
INIT_LIST_HEAD(&umem->head);
- *pobject = &umem->object;
if (mmu->type[type].type & NVKM_MEM_MAPPABLE) {
page = max_t(u8, page, PAGE_SHIFT);
@@ -200,8 +202,13 @@ nvkm_umem_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
list_add(&umem->head, &mmu->umem);
spin_unlock(&mmu->umem_lock);
- args->v0.page = nvkm_memory_page(umem->memory);
- args->v0.addr = nvkm_memory_addr(umem->memory);
- args->v0.size = nvkm_memory_size(umem->memory);
+ umem->impl = nvkm_umem_impl;
+ umem->impl.page = nvkm_memory_page(umem->memory);
+ umem->impl.addr = nvkm_memory_addr(umem->memory);
+ umem->impl.size = nvkm_memory_size(umem->memory);
+
+ *pimpl = &umem->impl;
+ *ppriv = umem;
+ *pobject = &umem->object;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
index d2012ab625d3..df7017eb98f4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
@@ -1,7 +1,8 @@
#ifndef __NVKM_UMEM_H__
#define __NVKM_UMEM_H__
#include "mem.h"
+#include <nvif/driverif.h>
-int nvkm_umem_new(const struct nvkm_oclass *, void *argv, u32 argc,
- struct nvkm_object **);
+int nvkm_umem_new(struct nvkm_mmu *, u8 type, u8 page, u64 size, void *, u32,
+ const struct nvif_mem_impl **, struct nvif_mem_priv **, struct nvkm_object **);
#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
index 05ec276facd9..8458583af0a7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
@@ -31,14 +31,6 @@ nvkm_ummu_sclass(struct nvkm_object *object, int index,
{
struct nvkm_mmu *mmu = container_of(object, struct nvif_mmu_priv, object)->mmu;
- if (mmu->func->mem.user.oclass) {
- if (index-- == 0) {
- oclass->base = mmu->func->mem.user;
- oclass->ctor = nvkm_umem_new;
- return 0;
- }
- }
-
if (mmu->func->vmm.user.oclass) {
if (index-- == 0) {
oclass->base = mmu->func->vmm.user;
@@ -50,6 +42,20 @@ nvkm_ummu_sclass(struct nvkm_object *object, int index,
return -EINVAL;
}
+static int
+nvkm_ummu_mem_new(struct nvif_mmu_priv *ummu, u8 type, u8 page, u64 size, void *argv, u32 argc,
+ const struct nvif_mem_impl **pimpl, struct nvif_mem_priv **ppriv, u64 handle)
+{
+ struct nvkm_object *object;
+ int ret;
+
+ ret = nvkm_umem_new(ummu->mmu, type, page, size, argv, argc, pimpl, ppriv, &object);
+ if (ret)
+ return ret;
+
+ return nvkm_object_link_rb(ummu->object.client, &ummu->object, handle, object);
+}
+
static void
nvkm_ummu_del(struct nvif_mmu_priv *ummu)
{
@@ -110,6 +116,7 @@ nvkm_ummu_new(struct nvkm_device *device, const struct nvif_mmu_impl **pimpl,
}
ummu->impl.mem.oclass = mmu->func->mem.user.oclass;
+ ummu->impl.mem.new = nvkm_ummu_mem_new;
ummu->impl.vmm.oclass = mmu->func->vmm.user.oclass;
--
2.41.0
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