/* * Copyright (c) 2016-2021, 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 "fifo_vgpu.h" #include #include #include #include #include int vgpu_tsg_open(struct tsg_gk20a *tsg) { struct tegra_vgpu_cmd_msg msg = {}; struct tegra_vgpu_tsg_open_rel_params *p = &msg.params.tsg_open; int err; struct gk20a *g = tsg->g; nvgpu_log_fn(g, " "); msg.cmd = TEGRA_VGPU_CMD_TSG_OPEN; msg.handle = vgpu_get_handle(tsg->g); p->tsg_id = tsg->tsgid; err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); err = err ? err : msg.ret; if (err) { nvgpu_err(tsg->g, "vgpu_tsg_open failed, tsgid %d", tsg->tsgid); } return err; } void vgpu_tsg_release(struct tsg_gk20a *tsg) { struct tegra_vgpu_cmd_msg msg = {}; struct tegra_vgpu_tsg_open_rel_params *p = &msg.params.tsg_release; int err; struct gk20a *g = tsg->g; nvgpu_log_fn(g, " "); msg.cmd = TEGRA_VGPU_CMD_TSG_RELEASE; msg.handle = vgpu_get_handle(tsg->g); p->tsg_id = tsg->tsgid; err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); err = err ? err : msg.ret; if (err) { nvgpu_err(tsg->g, "vgpu_tsg_release failed, tsgid %d", tsg->tsgid); } } int vgpu_enable_tsg(struct tsg_gk20a *tsg) { struct gk20a *g = tsg->g; struct channel_gk20a *ch; nvgpu_rwsem_down_read(&tsg->ch_list_lock); nvgpu_list_for_each_entry(ch, &tsg->ch_list, channel_gk20a, ch_entry) g->ops.fifo.enable_channel(ch); nvgpu_rwsem_up_read(&tsg->ch_list_lock); return 0; } int vgpu_tsg_bind_channel(struct tsg_gk20a *tsg, struct channel_gk20a *ch) { struct tegra_vgpu_cmd_msg msg = {}; struct tegra_vgpu_tsg_bind_unbind_channel_params *p = &msg.params.tsg_bind_unbind_channel; int err; struct gk20a *g = ch->g; nvgpu_log_fn(g, " "); err = gk20a_tsg_bind_channel(tsg, ch); if (err) return err; msg.cmd = TEGRA_VGPU_CMD_TSG_BIND_CHANNEL; msg.handle = vgpu_get_handle(tsg->g); p->tsg_id = tsg->tsgid; p->ch_handle = ch->virt_ctx; err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); err = err ? err : msg.ret; if (err) { nvgpu_err(tsg->g, "vgpu_tsg_bind_channel failed, ch %d tsgid %d", ch->chid, tsg->tsgid); gk20a_tsg_unbind_channel(ch, true); } return err; } int vgpu_tsg_unbind_channel(struct channel_gk20a *ch) { struct tegra_vgpu_cmd_msg msg = {}; struct tegra_vgpu_tsg_bind_unbind_channel_params *p = &msg.params.tsg_bind_unbind_channel; int err; struct gk20a *g = ch->g; nvgpu_log_fn(g, " "); msg.cmd = TEGRA_VGPU_CMD_TSG_UNBIND_CHANNEL; msg.handle = vgpu_get_handle(g); p->ch_handle = ch->virt_ctx; err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); err = err ? err : msg.ret; WARN_ON(err); return err; } int vgpu_tsg_set_timeslice(struct tsg_gk20a *tsg, u32 timeslice) { struct tegra_vgpu_cmd_msg msg = {0}; struct tegra_vgpu_tsg_timeslice_params *p = &msg.params.tsg_timeslice; int err; struct gk20a *g = tsg->g; nvgpu_log_fn(g, " "); msg.cmd = TEGRA_VGPU_CMD_TSG_SET_TIMESLICE; msg.handle = vgpu_get_handle(tsg->g); p->tsg_id = tsg->tsgid; p->timeslice_us = timeslice; err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); err = err ? err : msg.ret; WARN_ON(err); if (!err) tsg->timeslice_us = timeslice; return err; }