*
* Authors: Ben Skeggs
*/
-#include "nv04.h"
+#define nv40_instmem(p) container_of((p), struct nv40_instmem, base)
+#include "priv.h"
+#include <core/memory.h>
#include <core/ramht.h>
#include <engine/gr/nv40.h>
+struct nv40_instmem {
+ struct nvkm_instmem base;
+ struct nvkm_mm heap;
+ void __iomem *iomem;
+};
+
/******************************************************************************
- * instmem subdev implementation
+ * instmem object implementation
*****************************************************************************/
+#define nv40_instobj(p) container_of((p), struct nv40_instobj, memory)
+
+struct nv40_instobj {
+ struct nvkm_memory memory;
+ struct nv40_instmem *imem;
+ struct nvkm_mm_node *node;
+};
+
+static enum nvkm_memory_target
+nv40_instobj_target(struct nvkm_memory *memory)
+{
+ return NVKM_MEM_TARGET_INST;
+}
+
+static u64
+nv40_instobj_addr(struct nvkm_memory *memory)
+{
+ return nv40_instobj(memory)->node->offset;
+}
+
+static u64
+nv40_instobj_size(struct nvkm_memory *memory)
+{
+ return nv40_instobj(memory)->node->length;
+}
+
+static void __iomem *
+nv40_instobj_acquire(struct nvkm_memory *memory)
+{
+ struct nv40_instobj *iobj = nv40_instobj(memory);
+ return iobj->imem->iomem + iobj->node->offset;
+}
+
+static void
+nv40_instobj_release(struct nvkm_memory *memory)
+{
+}
static u32
-nv40_instmem_rd32(struct nvkm_object *object, u64 addr)
+nv40_instobj_rd32(struct nvkm_memory *memory, u64 offset)
{
- struct nv04_instmem_priv *priv = (void *)object;
- return ioread32_native(priv->iomem + addr);
+ struct nv40_instobj *iobj = nv40_instobj(memory);
+ return ioread32_native(iobj->imem->iomem + iobj->node->offset + offset);
}
static void
-nv40_instmem_wr32(struct nvkm_object *object, u64 addr, u32 data)
+nv40_instobj_wr32(struct nvkm_memory *memory, u64 offset, u32 data)
+{
+ struct nv40_instobj *iobj = nv40_instobj(memory);
+ iowrite32_native(data, iobj->imem->iomem + iobj->node->offset + offset);
+}
+
+static void *
+nv40_instobj_dtor(struct nvkm_memory *memory)
{
- struct nv04_instmem_priv *priv = (void *)object;
- iowrite32_native(data, priv->iomem + addr);
+ struct nv40_instobj *iobj = nv40_instobj(memory);
+ mutex_lock(&iobj->imem->base.subdev.mutex);
+ nvkm_mm_free(&iobj->imem->heap, &iobj->node);
+ mutex_unlock(&iobj->imem->base.subdev.mutex);
+ return iobj;
}
+static const struct nvkm_memory_func
+nv40_instobj_func = {
+ .dtor = nv40_instobj_dtor,
+ .target = nv40_instobj_target,
+ .size = nv40_instobj_size,
+ .addr = nv40_instobj_addr,
+ .acquire = nv40_instobj_acquire,
+ .release = nv40_instobj_release,
+ .rd32 = nv40_instobj_rd32,
+ .wr32 = nv40_instobj_wr32,
+};
+
static int
-nv40_instmem_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+nv40_instobj_new(struct nvkm_instmem *base, u32 size, u32 align, bool zero,
+ struct nvkm_memory **pmemory)
{
- struct nvkm_device *device = nv_device(parent);
- struct nv04_instmem_priv *priv;
- int ret, bar, vs;
+ struct nv40_instmem *imem = nv40_instmem(base);
+ struct nv40_instobj *iobj;
+ int ret;
- ret = nvkm_instmem_create(parent, engine, oclass, &priv);
- *pobject = nv_object(priv);
- if (ret)
- return ret;
+ if (!(iobj = kzalloc(sizeof(*iobj), GFP_KERNEL)))
+ return -ENOMEM;
+ *pmemory = &iobj->memory;
- /* map bar */
- if (nv_device_resource_len(device, 2))
- bar = 2;
- else
- bar = 3;
+ nvkm_memory_ctor(&nv40_instobj_func, &iobj->memory);
+ iobj->imem = imem;
- priv->iomem = ioremap(nv_device_resource_start(device, bar),
- nv_device_resource_len(device, bar));
- if (!priv->iomem) {
- nv_error(priv, "unable to map PRAMIN BAR\n");
- return -EFAULT;
- }
+ mutex_lock(&imem->base.subdev.mutex);
+ ret = nvkm_mm_head(&imem->heap, 0, 1, size, size,
+ align ? align : 1, &iobj->node);
+ mutex_unlock(&imem->base.subdev.mutex);
+ return ret;
+}
+
+/******************************************************************************
+ * instmem subdev implementation
+ *****************************************************************************/
+
+static u32
+nv40_instmem_rd32(struct nvkm_instmem *base, u32 addr)
+{
+ return ioread32_native(nv40_instmem(base)->iomem + addr);
+}
+
+static void
+nv40_instmem_wr32(struct nvkm_instmem *base, u32 addr, u32 data)
+{
+ iowrite32_native(data, nv40_instmem(base)->iomem + addr);
+}
+
+static int
+nv40_instmem_oneinit(struct nvkm_instmem *base)
+{
+ struct nv40_instmem *imem = nv40_instmem(base);
+ struct nvkm_device *device = imem->base.subdev.device;
+ int ret, vs;
/* PRAMIN aperture maps over the end of vram, reserve enough space
* to fit graphics contexts for every channel, the magics come
* from engine/gr/nv40.c
*/
- vs = hweight8((nv_rd32(priv, 0x001540) & 0x0000ff00) >> 8);
- if (device->chipset == 0x40) priv->base.reserved = 0x6aa0 * vs;
- else if (device->chipset < 0x43) priv->base.reserved = 0x4f00 * vs;
- else if (nv44_gr_class(priv)) priv->base.reserved = 0x4980 * vs;
- else priv->base.reserved = 0x4a40 * vs;
- priv->base.reserved += 16 * 1024;
- priv->base.reserved *= 32; /* per-channel */
- priv->base.reserved += 512 * 1024; /* pci(e)gart table */
- priv->base.reserved += 512 * 1024; /* object storage */
-
- priv->base.reserved = round_up(priv->base.reserved, 4096);
-
- ret = nvkm_mm_init(&priv->heap, 0, priv->base.reserved, 1);
+ vs = hweight8((nvkm_rd32(device, 0x001540) & 0x0000ff00) >> 8);
+ if (device->chipset == 0x40) imem->base.reserved = 0x6aa0 * vs;
+ else if (device->chipset < 0x43) imem->base.reserved = 0x4f00 * vs;
+ else if (nv44_gr_class(device)) imem->base.reserved = 0x4980 * vs;
+ else imem->base.reserved = 0x4a40 * vs;
+ imem->base.reserved += 16 * 1024;
+ imem->base.reserved *= 32; /* per-channel */
+ imem->base.reserved += 512 * 1024; /* pci(e)gart table */
+ imem->base.reserved += 512 * 1024; /* object storage */
+ imem->base.reserved = round_up(imem->base.reserved, 4096);
+
+ ret = nvkm_mm_init(&imem->heap, 0, imem->base.reserved, 1);
if (ret)
return ret;
/* 0x00000-0x10000: reserve for probable vbios image */
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x10000, 0, 0,
- &priv->vbios);
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x10000, 0, false,
+ &imem->base.vbios);
if (ret)
return ret;
/* 0x10000-0x18000: reserve for RAMHT */
- ret = nvkm_ramht_new(nv_object(priv), NULL, 0x08000, 0, &priv->ramht);
+ ret = nvkm_ramht_new(device, 0x08000, 0, NULL, &imem->base.ramht);
if (ret)
return ret;
/* 0x18000-0x18200: reserve for RAMRO
* 0x18200-0x20000: padding
*/
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x08000, 0, 0,
- &priv->ramro);
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x08000, 0, false,
+ &imem->base.ramro);
if (ret)
return ret;
/* 0x20000-0x21000: reserve for RAMFC
* 0x21000-0x40000: padding and some unknown crap
*/
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x20000, 0,
- NVOBJ_FLAG_ZERO_ALLOC, &priv->ramfc);
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x20000, 0, true,
+ &imem->base.ramfc);
if (ret)
return ret;
return 0;
}
-struct nvkm_oclass *
-nv40_instmem_oclass = &(struct nvkm_instmem_impl) {
- .base.handle = NV_SUBDEV(INSTMEM, 0x40),
- .base.ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nv40_instmem_ctor,
- .dtor = nv04_instmem_dtor,
- .init = _nvkm_instmem_init,
- .fini = _nvkm_instmem_fini,
- .rd32 = nv40_instmem_rd32,
- .wr32 = nv40_instmem_wr32,
- },
- .instobj = &nv04_instobj_oclass.base,
-}.base;
+static void *
+nv40_instmem_dtor(struct nvkm_instmem *base)
+{
+ struct nv40_instmem *imem = nv40_instmem(base);
+ nvkm_memory_del(&imem->base.ramfc);
+ nvkm_memory_del(&imem->base.ramro);
+ nvkm_ramht_del(&imem->base.ramht);
+ nvkm_memory_del(&imem->base.vbios);
+ nvkm_mm_fini(&imem->heap);
+ if (imem->iomem)
+ iounmap(imem->iomem);
+ return imem;
+}
+
+static const struct nvkm_instmem_func
+nv40_instmem = {
+ .dtor = nv40_instmem_dtor,
+ .oneinit = nv40_instmem_oneinit,
+ .rd32 = nv40_instmem_rd32,
+ .wr32 = nv40_instmem_wr32,
+ .memory_new = nv40_instobj_new,
+ .persistent = false,
+ .zero = false,
+};
+
+int
+nv40_instmem_new(struct nvkm_device *device, int index,
+ struct nvkm_instmem **pimem)
+{
+ struct nv40_instmem *imem;
+ int bar;
+
+ if (!(imem = kzalloc(sizeof(*imem), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_instmem_ctor(&nv40_instmem, device, index, &imem->base);
+ *pimem = &imem->base;
+
+ /* map bar */
+ if (device->func->resource_size(device, 2))
+ bar = 2;
+ else
+ bar = 3;
+
+ imem->iomem = ioremap(device->func->resource_addr(device, bar),
+ device->func->resource_size(device, bar));
+ if (!imem->iomem) {
+ nvkm_error(&imem->base.subdev, "unable to map PRAMIN BAR\n");
+ return -EFAULT;
+ }
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff