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 --- drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c | 80 ++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c (limited to 'drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c') diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c new file mode 100644 index 00000000..ba92c8d5 --- /dev/null +++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved. + * + * 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 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 "gk20a/gk20a.h" + +#include +#include +#include + +int vgpu_gv11b_alloc_subctx_header(struct channel_gk20a *c) +{ + struct ctx_header_desc *ctx = &c->ctx_header; + struct tegra_vgpu_cmd_msg msg = {}; + struct tegra_vgpu_alloc_ctx_header_params *p = + &msg.params.alloc_ctx_header; + int err; + + msg.cmd = TEGRA_VGPU_CMD_ALLOC_CTX_HEADER; + msg.handle = vgpu_get_handle(c->g); + p->ch_handle = c->virt_ctx; + p->ctx_header_va = __nvgpu_vm_alloc_va(c->vm, + ctxsw_prog_fecs_header_v(), + gmmu_page_size_kernel); + if (!p->ctx_header_va) { + nvgpu_err(c->g, "alloc va failed for ctx_header"); + return -ENOMEM; + } + err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); + err = err ? err : msg.ret; + if (unlikely(err)) { + nvgpu_err(c->g, "alloc ctx_header failed err %d", err); + __nvgpu_vm_free_va(c->vm, p->ctx_header_va, + gmmu_page_size_kernel); + return err; + } + ctx->mem.gpu_va = p->ctx_header_va; + + return err; +} + +void vgpu_gv11b_free_subctx_header(struct channel_gk20a *c) +{ + struct ctx_header_desc *ctx = &c->ctx_header; + struct tegra_vgpu_cmd_msg msg = {}; + struct tegra_vgpu_free_ctx_header_params *p = + &msg.params.free_ctx_header; + int err; + + if (ctx->mem.gpu_va) { + msg.cmd = TEGRA_VGPU_CMD_FREE_CTX_HEADER; + msg.handle = vgpu_get_handle(c->g); + p->ch_handle = c->virt_ctx; + err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); + err = err ? err : msg.ret; + if (unlikely(err)) + nvgpu_err(c->g, "free ctx_header failed err %d", err); + __nvgpu_vm_free_va(c->vm, ctx->mem.gpu_va, + gmmu_page_size_kernel); + ctx->mem.gpu_va = 0; + } +} -- cgit v1.2.2