mesa/src/nouveau/drm-shim/nouveau_noop.c

476 lines
14 KiB
C

/*
* Copyright © 2021 Ilia Mirkin
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <limits.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include "drm-uapi/nouveau_drm.h"
#include "nouveau/nvif/ioctl.h"
#include "nouveau/nvif/cl0080.h"
#include "drm-shim/drm_shim.h"
#include "util//u_math.h"
#include "../../gallium/drivers/nouveau/nv_object.xml.h"
bool drm_shim_driver_prefers_first_render_node = true;
struct nouveau_device {
uint64_t next_offset;
};
static struct nouveau_device nouveau = {
.next_offset = 0x1000,
};
struct nouveau_shim_bo {
struct shim_bo base;
uint64_t offset;
};
static struct nouveau_shim_bo *
nouveau_shim_bo(struct shim_bo *bo)
{
return (struct nouveau_shim_bo *)bo;
}
struct nouveau_device_info {
uint32_t chip_id;
};
static struct nouveau_device_info device_info;
static int
nouveau_ioctl_noop(int fd, unsigned long request, void *arg)
{
return 0;
}
static int
nouveau_ioctl_gem_new(int fd, unsigned long request, void *arg)
{
struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
struct drm_nouveau_gem_new *create = arg;
struct nouveau_shim_bo *bo = calloc(1, sizeof(*bo));
drm_shim_bo_init(&bo->base, create->info.size);
assert(ULONG_MAX - nouveau.next_offset > create->info.size);
create->info.handle = drm_shim_bo_get_handle(shim_fd, &bo->base);
create->info.map_handle = drm_shim_bo_get_mmap_offset(shim_fd, &bo->base);
if (create->align != 0)
nouveau.next_offset = align64(nouveau.next_offset, create->align);
create->info.offset = nouveau.next_offset;
nouveau.next_offset += create->info.size;
bo->offset = create->info.offset;
drm_shim_bo_put(&bo->base);
return 0;
}
static int
nouveau_ioctl_gem_info(int fd, unsigned long request, void *arg)
{
struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
struct drm_nouveau_gem_info *info = arg;
struct nouveau_shim_bo *bo =
nouveau_shim_bo(drm_shim_bo_lookup(shim_fd, info->handle));
info->map_handle = drm_shim_bo_get_mmap_offset(shim_fd, &bo->base);
info->offset = bo->offset;
info->size = bo->base.size;
drm_shim_bo_put(&bo->base);
return 0;
}
static int
nouveau_ioctl_gem_pushbuf(int fd, unsigned long request, void *arg)
{
struct drm_nouveau_gem_pushbuf *submit = arg;
submit->vram_available = 3ULL << 30;
submit->gart_available = 1ULL << 40;
return 0;
}
static int
nouveau_ioctl_channel_alloc(int fd, unsigned long request, void *arg)
{
struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
struct drm_nouveau_channel_alloc *alloc = arg;
if (device_info.chip_id == 0x50 || device_info.chip_id >= 0x80)
alloc->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART;
else
alloc->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
/* NOTE: this will get leaked since we don't handle the channel
* free. However only one channel is created per screen, so impact should
* be limited. */
struct nouveau_shim_bo *notify = calloc(1, sizeof(*notify));
drm_shim_bo_init(&notify->base, 0x1000);
notify->offset = nouveau.next_offset;
nouveau.next_offset += 0x1000;
alloc->notifier_handle = drm_shim_bo_get_handle(shim_fd, &notify->base);
drm_shim_bo_put(&notify->base);
return 0;
}
static int
nouveau_ioctl_get_param(int fd, unsigned long request, void *arg)
{
struct drm_nouveau_getparam *gp = arg;
switch (gp->param) {
case NOUVEAU_GETPARAM_CHIPSET_ID:
gp->value = device_info.chip_id;
return 0;
case NOUVEAU_GETPARAM_PCI_VENDOR:
gp->value = 0x10de;
return 0;
case NOUVEAU_GETPARAM_PCI_DEVICE:
gp->value = 0x1004;
return 0;
case NOUVEAU_GETPARAM_BUS_TYPE:
gp->value = 2 /* NV_PCIE */;
return 0;
case NOUVEAU_GETPARAM_FB_SIZE:
gp->value = 3ULL << 30;
return 0;
case NOUVEAU_GETPARAM_AGP_SIZE:
gp->value = 1ULL << 40;
return 0;
case NOUVEAU_GETPARAM_PTIMER_TIME:
gp->value = 0;
return 0;
case NOUVEAU_GETPARAM_HAS_BO_USAGE:
gp->value = 1;
return 0;
case NOUVEAU_GETPARAM_GRAPH_UNITS:
gp->value = 0x01000101;
return 0;
default:
fprintf(stderr, "Unknown DRM_IOCTL_NOUVEAU_GETPARAM %llu\n",
(long long unsigned)gp->param);
return -1;
}
}
static int
nouveau_ioctl_nvif(int fd, unsigned long request, void *arg)
{
struct {
struct nvif_ioctl_v0 ioctl;
} *args = arg;
switch (args->ioctl.type) {
case NVIF_IOCTL_V0_MTHD: {
struct {
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_mthd_v0 mthd;
} *mthd = (void *)args;
switch (mthd->mthd.method) {
case NV_DEVICE_V0_INFO: {
struct nv_device_info_v0 *info = (void *)&mthd->mthd.data;
info->chipset = device_info.chip_id;
info->platform = NV_DEVICE_INFO_V0_PCIE;
break;
}
default:
break;
}
break;
}
case NVIF_IOCTL_V0_SCLASS: {
struct {
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_sclass_v0 sclass;
} *sclass = (void *)args;
if (sclass->sclass.count == 0) {
sclass->sclass.count = device_info.chip_id >= 0xe0 ? 4 : 3;
return 0;
}
int idx = 0;
/* m2mf */
switch (device_info.chip_id & ~0xf) {
case 0x170:
case 0x160:
case 0x140:
case 0x130:
case 0x120:
case 0x110:
case 0x100:
case 0xf0:
sclass->sclass.oclass[idx].oclass = NVF0_P2MF_CLASS;
break;
case 0xe0:
sclass->sclass.oclass[idx].oclass = NVE4_P2MF_CLASS;
break;
default:
sclass->sclass.oclass[idx].oclass = NVC0_M2MF_CLASS;
break;
}
sclass->sclass.oclass[idx].minver = -1;
sclass->sclass.oclass[idx].maxver = -1;
idx++;
if (device_info.chip_id >= 0xe0) {
switch (device_info.chip_id & ~0xf) {
case 0x170:
sclass->sclass.oclass[idx].oclass = AMPERE_DMA_COPY_A;
break;
case 0x160:
sclass->sclass.oclass[idx].oclass = TURING_DMA_COPY_A;
break;
case 0x140:
sclass->sclass.oclass[idx].oclass = VOLTA_DMA_COPY_A;
break;
case 0x130:
sclass->sclass.oclass[idx].oclass = PASCAL_DMA_COPY_A;
break;
case 0x120:
case 0x110:
sclass->sclass.oclass[idx].oclass = MAXWELL_DMA_COPY_A;
break;
case 0x100:
case 0xf0:
case 0xe0:
sclass->sclass.oclass[idx].oclass = KEPLER_DMA_COPY_A;
break;
}
sclass->sclass.oclass[idx].minver = -1;
sclass->sclass.oclass[idx].maxver = -1;
idx++;
}
/* 2d */
if (device_info.chip_id >= 0x50) {
if (device_info.chip_id <= 0xa0)
sclass->sclass.oclass[idx].oclass = NV50_2D_CLASS;
else
sclass->sclass.oclass[idx].oclass = NVC0_2D_CLASS;
sclass->sclass.oclass[idx].minver = -1;
sclass->sclass.oclass[idx].maxver = -1;
idx++;
}
/* 3d */
switch (device_info.chip_id & ~0xf) {
case 0x170:
sclass->sclass.oclass[idx].oclass = GA102_3D_CLASS;
break;
case 0x160:
sclass->sclass.oclass[idx].oclass = TU102_3D_CLASS;
break;
case 0x140:
sclass->sclass.oclass[idx].oclass = GV100_3D_CLASS;
break;
case 0x130:
switch (device_info.chip_id) {
case 0x130:
case 0x13b:
sclass->sclass.oclass[idx].oclass = GP100_3D_CLASS;
break;
default:
sclass->sclass.oclass[idx].oclass = GP102_3D_CLASS;
break;
}
break;
case 0x120:
sclass->sclass.oclass[idx].oclass = GM200_3D_CLASS;
break;
case 0x110:
sclass->sclass.oclass[idx].oclass = GM107_3D_CLASS;
break;
case 0x100:
case 0xf0:
sclass->sclass.oclass[idx].oclass = NVF0_3D_CLASS;
break;
case 0xe0:
switch (device_info.chip_id) {
case 0xea:
sclass->sclass.oclass[idx].oclass = NVEA_3D_CLASS;
break;
default:
sclass->sclass.oclass[idx].oclass = NVE4_3D_CLASS;
break;
}
break;
case 0xd0:
sclass->sclass.oclass[idx].oclass = NVC8_3D_CLASS;
break;
default:
case 0xc0:
switch (device_info.chip_id) {
case 0xc8:
sclass->sclass.oclass[idx].oclass = NVC8_3D_CLASS;
break;
case 0xc1:
sclass->sclass.oclass[idx].oclass = NVC1_3D_CLASS;
break;
default:
sclass->sclass.oclass[idx].oclass = NVC0_3D_CLASS;
break;
}
break;
}
sclass->sclass.oclass[idx].minver = -1;
sclass->sclass.oclass[idx].maxver = -1;
idx++;
switch (device_info.chip_id & ~0xf) {
case 0x170:
sclass->sclass.oclass[idx].oclass = GA102_COMPUTE_CLASS;
break;
case 0x160:
sclass->sclass.oclass[idx].oclass = TU102_COMPUTE_CLASS;
break;
case 0x140:
sclass->sclass.oclass[idx].oclass = GV100_COMPUTE_CLASS;
break;
case 0x130:
switch (device_info.chip_id) {
case 0x130:
case 0x13b:
sclass->sclass.oclass[idx].oclass = GP100_COMPUTE_CLASS;
break;
default:
sclass->sclass.oclass[idx].oclass = GP104_COMPUTE_CLASS;
break;
}
break;
case 0x120:
sclass->sclass.oclass[idx].oclass = GM200_COMPUTE_CLASS;
break;
case 0x110:
sclass->sclass.oclass[idx].oclass = GM107_COMPUTE_CLASS;
break;
case 0x100:
case 0xf0:
sclass->sclass.oclass[idx].oclass = NVF0_COMPUTE_CLASS;
break;
case 0xe0:
sclass->sclass.oclass[idx].oclass = NVE4_COMPUTE_CLASS;
break;
default:
sclass->sclass.oclass[idx].oclass = NVC0_COMPUTE_CLASS;
break;
}
sclass->sclass.oclass[idx].minver = -1;
sclass->sclass.oclass[idx].maxver = -1;
break;
}
default:
break;
}
return 0;
}
static ioctl_fn_t driver_ioctls[] = {
[DRM_NOUVEAU_GETPARAM] = nouveau_ioctl_get_param,
[DRM_NOUVEAU_NVIF] = nouveau_ioctl_nvif,
[DRM_NOUVEAU_CHANNEL_ALLOC] = nouveau_ioctl_channel_alloc,
[DRM_NOUVEAU_CHANNEL_FREE] = nouveau_ioctl_noop,
[DRM_NOUVEAU_GROBJ_ALLOC] = nouveau_ioctl_noop,
[DRM_NOUVEAU_NOTIFIEROBJ_ALLOC] = nouveau_ioctl_noop,
[DRM_NOUVEAU_GPUOBJ_FREE] = nouveau_ioctl_noop,
[DRM_NOUVEAU_GEM_NEW] = nouveau_ioctl_gem_new,
[DRM_NOUVEAU_GEM_PUSHBUF] = nouveau_ioctl_gem_pushbuf,
[DRM_NOUVEAU_GEM_CPU_PREP] = nouveau_ioctl_noop,
[DRM_NOUVEAU_GEM_INFO] = nouveau_ioctl_gem_info,
[DRM_NOUVEAU_GEM_CPU_FINI] = nouveau_ioctl_gem_info,
[DRM_NOUVEAU_VM_INIT] = nouveau_ioctl_noop,
[DRM_NOUVEAU_VM_BIND] = nouveau_ioctl_noop,
[DRM_NOUVEAU_EXEC] = nouveau_ioctl_noop,
};
static void
nouveau_driver_get_device_info(void)
{
const char *env = getenv("NOUVEAU_CHIPSET");
if (!env) {
device_info.chip_id = 0xf0;
return;
}
device_info.chip_id = strtol(env, NULL, 16);
}
void
drm_shim_driver_init(void)
{
shim_device.bus_type = DRM_BUS_PCI;
shim_device.driver_name = "nouveau";
shim_device.driver_ioctls = driver_ioctls;
shim_device.driver_ioctl_count = ARRAY_SIZE(driver_ioctls);
shim_device.version_major = 1;
shim_device.version_minor = 3;
shim_device.version_patchlevel = 1;
nouveau_driver_get_device_info();
/* Ask userspace to consider all fences completed. */
setenv("NOUVEAU_DISABLE_FENCES", "true", true);
/* nothing looks at the pci id, so fix it to a GTX 780 */
static const char uevent_content[] =
"DRIVER=nouveau\n"
"PCI_CLASS=30000\n"
"PCI_ID=10de:1004\n"
"PCI_SUBSYS_ID=1028:075B\n"
"PCI_SLOT_NAME=0000:01:00.0\n"
"MODALIAS=pci:v000010ded00005916sv00001028sd0000075Bbc03sc00i00\n";
drm_shim_override_file(uevent_content,
"/sys/dev/char/%d:%d/device/uevent",
DRM_MAJOR, render_node_minor);
drm_shim_override_file("0x0\n",
"/sys/dev/char/%d:%d/device/revision",
DRM_MAJOR, render_node_minor);
drm_shim_override_file("0x10de",
"/sys/dev/char/%d:%d/device/vendor",
DRM_MAJOR, render_node_minor);
drm_shim_override_file("0x10de",
"/sys/devices/pci0000:00/0000:01:00.0/vendor");
drm_shim_override_file("0x1004",
"/sys/dev/char/%d:%d/device/device",
DRM_MAJOR, render_node_minor);
drm_shim_override_file("0x1004",
"/sys/devices/pci0000:00/0000:01:00.0/device");
drm_shim_override_file("0x1234",
"/sys/dev/char/%d:%d/device/subsystem_vendor",
DRM_MAJOR, render_node_minor);
drm_shim_override_file("0x1234",
"/sys/devices/pci0000:00/0000:01:00.0/subsystem_vendor");
drm_shim_override_file("0x1234",
"/sys/dev/char/%d:%d/device/subsystem_device",
DRM_MAJOR, render_node_minor);
drm_shim_override_file("0x1234",
"/sys/devices/pci0000:00/0000:01:00.0/subsystem_device");
}