--- /dev/null
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+#define nvkm_udevice(p) container_of((p), struct nvkm_udevice, object)
+#include "priv.h"
+#include "ctrl.h"
+
+#include <core/client.h>
+#include <subdev/fb.h>
+#include <subdev/instmem.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+struct nvkm_udevice {
+ struct nvkm_object object;
+ struct nvkm_device *device;
+};
+
+static int
+nvkm_udevice_info(struct nvkm_udevice *udev, void *data, u32 size)
+{
+ struct nvkm_object *object = &udev->object;
+ struct nvkm_device *device = udev->device;
+ struct nvkm_fb *fb = device->fb;
+ struct nvkm_instmem *imem = device->imem;
+ union {
+ struct nv_device_info_v0 v0;
+ } *args = data;
+ int ret;
+
+ nvif_ioctl(object, "device info size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nvif_ioctl(object, "device info vers %d\n", args->v0.version);
+ } else
+ return ret;
+
+ switch (device->chipset) {
+ case 0x01a:
+ case 0x01f:
+ case 0x04c:
+ case 0x04e:
+ case 0x063:
+ case 0x067:
+ case 0x068:
+ case 0x0aa:
+ case 0x0ac:
+ case 0x0af:
+ args->v0.platform = NV_DEVICE_INFO_V0_IGP;
+ break;
+ default:
+ switch (device->type) {
+ case NVKM_DEVICE_PCI:
+ args->v0.platform = NV_DEVICE_INFO_V0_PCI;
+ break;
+ case NVKM_DEVICE_AGP:
+ args->v0.platform = NV_DEVICE_INFO_V0_AGP;
+ break;
+ case NVKM_DEVICE_PCIE:
+ args->v0.platform = NV_DEVICE_INFO_V0_PCIE;
+ break;
+ case NVKM_DEVICE_TEGRA:
+ args->v0.platform = NV_DEVICE_INFO_V0_SOC;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+ break;
+ }
+
+ switch (device->card_type) {
+ case NV_04: args->v0.family = NV_DEVICE_INFO_V0_TNT; break;
+ case NV_10:
+ case NV_11: args->v0.family = NV_DEVICE_INFO_V0_CELSIUS; break;
+ case NV_20: args->v0.family = NV_DEVICE_INFO_V0_KELVIN; break;
+ case NV_30: args->v0.family = NV_DEVICE_INFO_V0_RANKINE; break;
+ case NV_40: args->v0.family = NV_DEVICE_INFO_V0_CURIE; break;
+ case NV_50: args->v0.family = NV_DEVICE_INFO_V0_TESLA; break;
+ case NV_C0: args->v0.family = NV_DEVICE_INFO_V0_FERMI; break;
+ case NV_E0: args->v0.family = NV_DEVICE_INFO_V0_KEPLER; break;
+ case GM100: args->v0.family = NV_DEVICE_INFO_V0_MAXWELL; break;
+ default:
+ args->v0.family = 0;
+ break;
+ }
+
+ args->v0.chipset = device->chipset;
+ args->v0.revision = device->chiprev;
+ if (fb && fb->ram)
+ args->v0.ram_size = args->v0.ram_user = fb->ram->size;
+ else
+ args->v0.ram_size = args->v0.ram_user = 0;
+ if (imem && args->v0.ram_size > 0)
+ args->v0.ram_user = args->v0.ram_user - imem->reserved;
+
+ strncpy(args->v0.chip, device->chip->name, sizeof(args->v0.chip));
+ strncpy(args->v0.name, device->name, sizeof(args->v0.name));
+ return 0;
+}
+
+static int
+nvkm_udevice_time(struct nvkm_udevice *udev, void *data, u32 size)
+{
+ struct nvkm_device *device = udev->device;
+ union {
+ struct nv_device_time_v0 v0;
+ } *args = data;
+ int ret;
+
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ args->v0.time = nvkm_timer_read(device->timer);
+ }
+
+ return ret;
+}
+
+static int
+nvkm_udevice_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ switch (mthd) {
+ case NV_DEVICE_V0_INFO:
+ return nvkm_udevice_info(udev, data, size);
+ case NV_DEVICE_V0_TIME:
+ return nvkm_udevice_time(udev, data, size);
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static int
+nvkm_udevice_rd08(struct nvkm_object *object, u64 addr, u8 *data)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ *data = nvkm_rd08(udev->device, addr);
+ return 0;
+}
+
+static int
+nvkm_udevice_rd16(struct nvkm_object *object, u64 addr, u16 *data)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ *data = nvkm_rd16(udev->device, addr);
+ return 0;
+}
+
+static int
+nvkm_udevice_rd32(struct nvkm_object *object, u64 addr, u32 *data)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ *data = nvkm_rd32(udev->device, addr);
+ return 0;
+}
+
+static int
+nvkm_udevice_wr08(struct nvkm_object *object, u64 addr, u8 data)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ nvkm_wr08(udev->device, addr, data);
+ return 0;
+}
+
+static int
+nvkm_udevice_wr16(struct nvkm_object *object, u64 addr, u16 data)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ nvkm_wr16(udev->device, addr, data);
+ return 0;
+}
+
+static int
+nvkm_udevice_wr32(struct nvkm_object *object, u64 addr, u32 data)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ nvkm_wr32(udev->device, addr, data);
+ return 0;
+}
+
+static int
+nvkm_udevice_map(struct nvkm_object *object, u64 *addr, u32 *size)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ struct nvkm_device *device = udev->device;
+ *addr = device->func->resource_addr(device, 0);
+ *size = device->func->resource_size(device, 0);
+ return 0;
+}
+
+static int
+nvkm_udevice_fini(struct nvkm_object *object, bool suspend)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ struct nvkm_device *device = udev->device;
+ int ret = 0;
+
+ mutex_lock(&device->mutex);
+ if (!--device->refcount) {
+ ret = nvkm_device_fini(device, suspend);
+ if (ret && suspend) {
+ device->refcount++;
+ goto done;
+ }
+ }
+
+done:
+ mutex_unlock(&device->mutex);
+ return ret;
+}
+
+static int
+nvkm_udevice_init(struct nvkm_object *object)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ struct nvkm_device *device = udev->device;
+ int ret = 0;
+
+ mutex_lock(&device->mutex);
+ if (!device->refcount++) {
+ ret = nvkm_device_init(device);
+ if (ret) {
+ device->refcount--;
+ goto done;
+ }
+ }
+
+done:
+ mutex_unlock(&device->mutex);
+ return ret;
+}
+
+static int
+nvkm_udevice_child_new(const struct nvkm_oclass *oclass,
+ void *data, u32 size, struct nvkm_object **pobject)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(oclass->parent);
+ const struct nvkm_device_oclass *sclass = oclass->priv;
+ return sclass->ctor(udev->device, oclass, data, size, pobject);
+}
+
+static int
+nvkm_udevice_child_get(struct nvkm_object *object, int index,
+ struct nvkm_oclass *oclass)
+{
+ struct nvkm_udevice *udev = nvkm_udevice(object);
+ struct nvkm_device *device = udev->device;
+ struct nvkm_engine *engine;
+ u64 mask = (1ULL << NVKM_ENGINE_DMAOBJ) |
+ (1ULL << NVKM_ENGINE_FIFO) |
+ (1ULL << NVKM_ENGINE_DISP) |
+ (1ULL << NVKM_ENGINE_PM);
+ const struct nvkm_device_oclass *sclass = NULL;
+ int i;
+
+ for (; i = __ffs64(mask), mask && !sclass; mask &= ~(1ULL << i)) {
+ if (!(engine = nvkm_device_engine(device, i)) ||
+ !(engine->func->base.sclass))
+ continue;
+ oclass->engine = engine;
+
+ index -= engine->func->base.sclass(oclass, index, &sclass);
+ }
+
+ if (!sclass) {
+ switch (index) {
+ case 0: sclass = &nvkm_control_oclass; break;
+ default:
+ return -EINVAL;
+ }
+ oclass->base = sclass->base;
+ }
+
+ oclass->ctor = nvkm_udevice_child_new;
+ oclass->priv = sclass;
+ return 0;
+}
+
+static const struct nvkm_object_func
+nvkm_udevice_super = {
+ .init = nvkm_udevice_init,
+ .fini = nvkm_udevice_fini,
+ .mthd = nvkm_udevice_mthd,
+ .map = nvkm_udevice_map,
+ .rd08 = nvkm_udevice_rd08,
+ .rd16 = nvkm_udevice_rd16,
+ .rd32 = nvkm_udevice_rd32,
+ .wr08 = nvkm_udevice_wr08,
+ .wr16 = nvkm_udevice_wr16,
+ .wr32 = nvkm_udevice_wr32,
+ .sclass = nvkm_udevice_child_get,
+};
+
+static const struct nvkm_object_func
+nvkm_udevice = {
+ .init = nvkm_udevice_init,
+ .fini = nvkm_udevice_fini,
+ .mthd = nvkm_udevice_mthd,
+ .sclass = nvkm_udevice_child_get,
+};
+
+int
+nvkm_udevice_new(const struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ union {
+ struct nv_device_v0 v0;
+ } *args = data;
+ struct nvkm_client *client = oclass->client;
+ struct nvkm_object *parent = &client->object;
+ const struct nvkm_object_func *func;
+ struct nvkm_udevice *udev;
+ int ret;
+
+ nvif_ioctl(parent, "create device size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nvif_ioctl(parent, "create device v%d device %016llx\n",
+ args->v0.version, args->v0.device);
+ } else
+ return ret;
+
+ /* give priviledged clients register access */
+ if (client->super)
+ func = &nvkm_udevice_super;
+ else
+ func = &nvkm_udevice;
+
+ if (!(udev = kzalloc(sizeof(*udev), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_object_ctor(func, oclass, &udev->object);
+ *pobject = &udev->object;
+
+ /* find the device that matches what the client requested */
+ if (args->v0.device != ~0)
+ udev->device = nvkm_device_find(args->v0.device);
+ else
+ udev->device = nvkm_device_find(client->device);
+ if (!udev->device)
+ return -ENODEV;
+
+ return 0;
+}
+
+const struct nvkm_sclass
+nvkm_udevice_sclass = {
+ .oclass = NV_DEVICE,
+ .minver = 0,
+ .maxver = 0,
+ .ctor = nvkm_udevice_new,
+};
Code Review / kvmfornfv.git / blobdiff