From 6a25181882cdda68dfa4680b35f12c11b47ea036 Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Mon, 10 Apr 2017 15:32:59 -0700 Subject: gpu: nvgpu: vgpu: add basic t19x HALs - Added t19x vgpu platform data - Added basic vgpu HAL for gv11b. - Added subctx header HAL. Jira VFND-3796 Change-Id: I2b99364801b41d042b53e057f1a30e1194f354c3 Signed-off-by: Richard Zhao Reviewed-on: https://git-master/r/1474729 GVS: Gerrit_Virtual_Submit Reviewed-by: Aingara Paramakuru Reviewed-by: Terje Bergstrom --- drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c | 70 ++++++++++++++++++++++++ 1 file changed, 70 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..93341427 --- /dev/null +++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2017, 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. + */ + +#include +#include +#include + +int vgpu_gv11b_alloc_subctx_header(struct channel_gk20a *c) +{ + struct ctx_header_desc *ctx = &c->ch_ctx.ctx_header; + struct tegra_vgpu_cmd_msg msg = {}; + struct tegra_vgpu_alloc_ctx_header_params *p = + &msg.params.t19x.alloc_ctx_header; + struct gr_gk20a *gr = &c->g->gr; + 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, + gr->ctx_vars.golden_image_size, + 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->ch_ctx.ctx_header; + struct tegra_vgpu_cmd_msg msg = {}; + struct tegra_vgpu_free_ctx_header_params *p = + &msg.params.t19x.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 From d61643c0200983dc340d37962bb0a3ca900a3e97 Mon Sep 17 00:00:00 2001 From: Terje Bergstrom Date: Mon, 25 Sep 2017 08:59:28 -0700 Subject: gpu: nvgpu: gv11b: Change license for common files to MIT Change license of OS independent source code files to MIT. JIRA NVGPU-218 Change-Id: I93c0504f0544ee8ced4898c386b3f5fbaa6a99a9 Signed-off-by: Terje Bergstrom Reviewed-on: https://git-master.nvidia.com/r/1567804 Reviewed-by: svc-mobile-coverity Reviewed-by: David Martinez Nieto Reviewed-by: Seshendra Gadagottu Reviewed-by: svccoveritychecker GVS: Gerrit_Virtual_Submit --- drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (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 index 93341427..857e58c4 100644 --- a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c +++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_subctx_gv11b.c @@ -1,14 +1,23 @@ /* * Copyright (c) 2017, 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. + * 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: * - * 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. + * 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 -- cgit v1.2.2