From 6393eddfa996fba03464f897b85aa5ec79860fed Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Mon, 29 Jan 2018 23:24:37 -0800 Subject: gpu: nvgpu: vgpu: move common files out of linux folder Most of files have been moved out of linux folder. More code could be common as halifying going on. Jira EVLR-2364 Change-Id: Ia9dbdbc82f45ceefe5c788eac7517000cd455d5e Signed-off-by: Richard Zhao Reviewed-on: https://git-master.nvidia.com/r/1649947 Reviewed-by: mobile promotions Tested-by: mobile promotions --- .../nvgpu/common/linux/vgpu/gp10b/vgpu_mm_gp10b.c | 200 --------------------- 1 file changed, 200 deletions(-) delete mode 100644 drivers/gpu/nvgpu/common/linux/vgpu/gp10b/vgpu_mm_gp10b.c (limited to 'drivers/gpu/nvgpu/common/linux/vgpu/gp10b/vgpu_mm_gp10b.c') diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/gp10b/vgpu_mm_gp10b.c b/drivers/gpu/nvgpu/common/linux/vgpu/gp10b/vgpu_mm_gp10b.c deleted file mode 100644 index 26ce891f..00000000 --- a/drivers/gpu/nvgpu/common/linux/vgpu/gp10b/vgpu_mm_gp10b.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Virtualized GPU Memory Management - * - * Copyright (c) 2015-2018, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include "common/linux/vgpu/vgpu.h" -#include "vgpu_mm_gp10b.h" -#include "gk20a/mm_gk20a.h" - -#include -#include -#include - -int vgpu_gp10b_init_mm_setup_hw(struct gk20a *g) -{ - g->mm.disable_bigpage = true; - return 0; -} - -static inline int add_mem_desc(struct tegra_vgpu_mem_desc *mem_desc, - u64 addr, u64 size, size_t *oob_size) -{ - if (*oob_size < sizeof(*mem_desc)) - return -ENOMEM; - - mem_desc->addr = addr; - mem_desc->length = size; - *oob_size -= sizeof(*mem_desc); - return 0; -} - -u64 vgpu_gp10b_locked_gmmu_map(struct vm_gk20a *vm, - u64 map_offset, - struct nvgpu_sgt *sgt, - u64 buffer_offset, - u64 size, - int pgsz_idx, - u8 kind_v, - u32 ctag_offset, - u32 flags, - int rw_flag, - bool clear_ctags, - bool sparse, - bool priv, - struct vm_gk20a_mapping_batch *batch, - enum nvgpu_aperture aperture) -{ - int err = 0; - struct gk20a *g = gk20a_from_vm(vm); - struct tegra_vgpu_cmd_msg msg; - struct tegra_vgpu_as_map_ex_params *p = &msg.params.as_map_ex; - struct tegra_vgpu_mem_desc *mem_desc; - u32 page_size = vm->gmmu_page_sizes[pgsz_idx]; - u64 buffer_size = PAGE_ALIGN(size); - u64 space_to_skip = buffer_offset; - u32 mem_desc_count = 0, i; - void *handle = NULL; - size_t oob_size; - u8 prot; - void *sgl; - - gk20a_dbg_fn(""); - - /* FIXME: add support for sparse mappings */ - - if (WARN_ON(!sgt) || WARN_ON(nvgpu_iommuable(g))) - return 0; - - if (space_to_skip & (page_size - 1)) - return 0; - - memset(&msg, 0, sizeof(msg)); - - /* Allocate (or validate when map_offset != 0) the virtual address. */ - if (!map_offset) { - map_offset = __nvgpu_vm_alloc_va(vm, size, pgsz_idx); - if (!map_offset) { - nvgpu_err(g, "failed to allocate va space"); - err = -ENOMEM; - goto fail; - } - } - - handle = vgpu_ivc_oob_get_ptr(vgpu_ivc_get_server_vmid(), - TEGRA_VGPU_QUEUE_CMD, - (void **)&mem_desc, &oob_size); - if (!handle) { - err = -EINVAL; - goto fail; - } - sgl = sgt->sgl; - while (sgl) { - u64 phys_addr; - u64 chunk_length; - - /* - * Cut out sgl ents for space_to_skip. - */ - if (space_to_skip && - space_to_skip >= nvgpu_sgt_get_length(sgt, sgl)) { - space_to_skip -= nvgpu_sgt_get_length(sgt, sgl); - sgl = nvgpu_sgt_get_next(sgt, sgl); - continue; - } - - phys_addr = nvgpu_sgt_get_phys(sgt, sgl) + space_to_skip; - chunk_length = min(size, - nvgpu_sgt_get_length(sgt, sgl) - space_to_skip); - - if (add_mem_desc(&mem_desc[mem_desc_count++], phys_addr, - chunk_length, &oob_size)) { - err = -ENOMEM; - goto fail; - } - - space_to_skip = 0; - size -= chunk_length; - sgl = nvgpu_sgt_get_next(sgt, sgl); - - if (size == 0) - break; - } - - if (rw_flag == gk20a_mem_flag_read_only) - prot = TEGRA_VGPU_MAP_PROT_READ_ONLY; - else if (rw_flag == gk20a_mem_flag_write_only) - prot = TEGRA_VGPU_MAP_PROT_WRITE_ONLY; - else - prot = TEGRA_VGPU_MAP_PROT_NONE; - - if (pgsz_idx == gmmu_page_size_kernel) { - if (page_size == vm->gmmu_page_sizes[gmmu_page_size_small]) { - pgsz_idx = gmmu_page_size_small; - } else if (page_size == - vm->gmmu_page_sizes[gmmu_page_size_big]) { - pgsz_idx = gmmu_page_size_big; - } else { - nvgpu_err(g, "invalid kernel page size %d", - page_size); - goto fail; - } - } - - msg.cmd = TEGRA_VGPU_CMD_AS_MAP_EX; - msg.handle = vgpu_get_handle(g); - p->handle = vm->handle; - p->gpu_va = map_offset; - p->size = buffer_size; - p->mem_desc_count = mem_desc_count; - p->pgsz_idx = pgsz_idx; - p->iova = 0; - p->kind = kind_v; - if (flags & NVGPU_VM_MAP_CACHEABLE) - p->flags = TEGRA_VGPU_MAP_CACHEABLE; - if (flags & NVGPU_VM_MAP_IO_COHERENT) - p->flags |= TEGRA_VGPU_MAP_IO_COHERENT; - if (flags & NVGPU_VM_MAP_L3_ALLOC) - p->flags |= TEGRA_VGPU_MAP_L3_ALLOC; - p->prot = prot; - p->ctag_offset = ctag_offset; - p->clear_ctags = clear_ctags; - err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); - if (err || msg.ret) - goto fail; - - /* TLB invalidate handled on server side */ - - vgpu_ivc_oob_put_ptr(handle); - return map_offset; -fail: - if (handle) - vgpu_ivc_oob_put_ptr(handle); - nvgpu_err(g, "Failed: err=%d, msg.ret=%d", err, msg.ret); - nvgpu_err(g, - " Map: %-5s GPU virt %#-12llx +%#-9llx " - "phys offset: %#-4llx; pgsz: %3dkb perm=%-2s | " - "kind=%#02x APT=%-6s", - vm->name, map_offset, buffer_size, buffer_offset, - vm->gmmu_page_sizes[pgsz_idx] >> 10, - nvgpu_gmmu_perm_str(rw_flag), - kind_v, "SYSMEM"); - for (i = 0; i < mem_desc_count; i++) - nvgpu_err(g, " > 0x%010llx + 0x%llx", - mem_desc[i].addr, mem_desc[i].length); - - return 0; -} -- cgit v1.2.2