diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/r535.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/r535.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/r535.c new file mode 100644 index 000000000000..d3e95453f25d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/r535.c @@ -0,0 +1,123 @@ +/* + * Copyright 2023 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. + */ +#include "vmm.h" + +#include <nvrm/nvtypes.h> +#include <nvrm/535.113.01/common/sdk/nvidia/inc/class/cl90f1.h> +#include <nvrm/535.113.01/common/sdk/nvidia/inc/ctrl/ctrl90f1.h> +#include <nvrm/535.113.01/common/sdk/nvidia/inc/nvos.h> + +static int +r535_mmu_promote_vmm(struct nvkm_vmm *vmm) +{ + NV_VASPACE_ALLOCATION_PARAMETERS *args; + int ret; + + ret = nvkm_gsp_client_device_ctor(vmm->mmu->subdev.device->gsp, + &vmm->rm.client, &vmm->rm.device); + if (ret) + return ret; + + args = nvkm_gsp_rm_alloc_get(&vmm->rm.device.object, 0x90f10000, FERMI_VASPACE_A, + sizeof(*args), &vmm->rm.object); + if (IS_ERR(args)) + return PTR_ERR(args); + + args->index = NV_VASPACE_ALLOCATION_INDEX_GPU_NEW; + + ret = nvkm_gsp_rm_alloc_wr(&vmm->rm.object, args); + if (ret) + return ret; + + { + NV90F1_CTRL_VASPACE_COPY_SERVER_RESERVED_PDES_PARAMS *ctrl; + + mutex_lock(&vmm->mutex.vmm); + ret = nvkm_vmm_get_locked(vmm, true, false, false, 0x1d, 32, 0x20000000, + &vmm->rm.rsvd); + mutex_unlock(&vmm->mutex.vmm); + if (ret) + return ret; + + ctrl = nvkm_gsp_rm_ctrl_get(&vmm->rm.object, + NV90F1_CTRL_CMD_VASPACE_COPY_SERVER_RESERVED_PDES, + sizeof(*ctrl)); + if (IS_ERR(ctrl)) + return PTR_ERR(ctrl); + + ctrl->pageSize = 0x20000000; + ctrl->virtAddrLo = vmm->rm.rsvd->addr; + ctrl->virtAddrHi = vmm->rm.rsvd->addr + vmm->rm.rsvd->size - 1; + ctrl->numLevelsToCopy = vmm->pd->pde[0]->pde[0] ? 3 : 2; + ctrl->levels[0].physAddress = vmm->pd->pt[0]->addr; + ctrl->levels[0].size = 0x20; + ctrl->levels[0].aperture = 1; + ctrl->levels[0].pageShift = 0x2f; + ctrl->levels[1].physAddress = vmm->pd->pde[0]->pt[0]->addr; + ctrl->levels[1].size = 0x1000; + ctrl->levels[1].aperture = 1; + ctrl->levels[1].pageShift = 0x26; + if (vmm->pd->pde[0]->pde[0]) { + ctrl->levels[2].physAddress = vmm->pd->pde[0]->pde[0]->pt[0]->addr; + ctrl->levels[2].size = 0x1000; + ctrl->levels[2].aperture = 1; + ctrl->levels[2].pageShift = 0x1d; + } + + ret = nvkm_gsp_rm_ctrl_wr(&vmm->rm.object, ctrl); + } + + return ret; +} + +static void +r535_mmu_dtor(struct nvkm_mmu *mmu) +{ + kfree(mmu->func); +} + +int +r535_mmu_new(const struct nvkm_mmu_func *hw, + struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_mmu **pmmu) +{ + struct nvkm_mmu_func *rm; + int ret; + + if (!(rm = kzalloc(sizeof(*rm), GFP_KERNEL))) + return -ENOMEM; + + rm->dtor = r535_mmu_dtor; + rm->dma_bits = hw->dma_bits; + rm->mmu = hw->mmu; + rm->mem = hw->mem; + rm->vmm = hw->vmm; + rm->kind = hw->kind; + rm->kind_sys = hw->kind_sys; + rm->promote_vmm = r535_mmu_promote_vmm; + + ret = nvkm_mmu_new_(rm, device, type, inst, pmmu); + if (ret) + kfree(rm); + + return ret; +} |