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/dbg_vgpu.c | 214 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 214 insertions(+) create mode 100644 drivers/gpu/nvgpu/vgpu/dbg_vgpu.c (limited to 'drivers/gpu/nvgpu/vgpu/dbg_vgpu.c') diff --git a/drivers/gpu/nvgpu/vgpu/dbg_vgpu.c b/drivers/gpu/nvgpu/vgpu/dbg_vgpu.c new file mode 100644 index 00000000..092954ed --- /dev/null +++ b/drivers/gpu/nvgpu/vgpu/dbg_vgpu.c @@ -0,0 +1,214 @@ +/* + * Copyright (c) 2015-2018, 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 +#include +#include +#include + +#include "gk20a/gk20a.h" +#include "gk20a/channel_gk20a.h" +#include "gk20a/dbg_gpu_gk20a.h" +#include "gk20a/regops_gk20a.h" +#include "dbg_vgpu.h" + +int vgpu_exec_regops(struct dbg_session_gk20a *dbg_s, + struct nvgpu_dbg_reg_op *ops, + u64 num_ops) +{ + struct channel_gk20a *ch; + struct tegra_vgpu_cmd_msg msg; + struct tegra_vgpu_reg_ops_params *p = &msg.params.reg_ops; + void *oob; + size_t oob_size, ops_size; + void *handle = NULL; + int err = 0; + + gk20a_dbg_fn(""); + BUG_ON(sizeof(*ops) != sizeof(struct tegra_vgpu_reg_op)); + + handle = vgpu_ivc_oob_get_ptr(vgpu_ivc_get_server_vmid(), + TEGRA_VGPU_QUEUE_CMD, + &oob, &oob_size); + if (!handle) + return -EINVAL; + + ops_size = sizeof(*ops) * num_ops; + if (oob_size < ops_size) { + err = -ENOMEM; + goto fail; + } + + memcpy(oob, ops, ops_size); + + msg.cmd = TEGRA_VGPU_CMD_REG_OPS; + msg.handle = vgpu_get_handle(dbg_s->g); + ch = nvgpu_dbg_gpu_get_session_channel(dbg_s); + p->handle = ch ? ch->virt_ctx : 0; + p->num_ops = num_ops; + p->is_profiler = dbg_s->is_profiler; + err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); + err = err ? err : msg.ret; + if (!err) + memcpy(ops, oob, ops_size); + +fail: + vgpu_ivc_oob_put_ptr(handle); + return err; +} + +int vgpu_dbg_set_powergate(struct dbg_session_gk20a *dbg_s, bool disable_powergate) +{ + struct tegra_vgpu_cmd_msg msg; + struct tegra_vgpu_set_powergate_params *p = &msg.params.set_powergate; + int err = 0; + u32 mode; + + gk20a_dbg_fn(""); + + /* Just return if requested mode is the same as the session's mode */ + if (disable_powergate) { + if (dbg_s->is_pg_disabled) + return 0; + dbg_s->is_pg_disabled = true; + mode = TEGRA_VGPU_POWERGATE_MODE_DISABLE; + } else { + if (!dbg_s->is_pg_disabled) + return 0; + dbg_s->is_pg_disabled = false; + mode = TEGRA_VGPU_POWERGATE_MODE_ENABLE; + } + + msg.cmd = TEGRA_VGPU_CMD_SET_POWERGATE; + msg.handle = vgpu_get_handle(dbg_s->g); + p->mode = mode; + err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); + err = err ? err : msg.ret; + return err; +} + +static int vgpu_sendrecv_prof_cmd(struct dbg_session_gk20a *dbg_s, u32 mode) +{ + struct tegra_vgpu_cmd_msg msg; + struct tegra_vgpu_prof_mgt_params *p = &msg.params.prof_management; + int err = 0; + + msg.cmd = TEGRA_VGPU_CMD_PROF_MGT; + msg.handle = vgpu_get_handle(dbg_s->g); + + p->mode = mode; + + err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); + err = err ? err : msg.ret; + return err; +} + +bool vgpu_check_and_set_global_reservation( + struct dbg_session_gk20a *dbg_s, + struct dbg_profiler_object_data *prof_obj) +{ + struct gk20a *g = dbg_s->g; + + if (g->profiler_reservation_count > 0) + return false; + + /* Check that another guest OS doesn't already have a reservation */ + if (!vgpu_sendrecv_prof_cmd(dbg_s, TEGRA_VGPU_PROF_GET_GLOBAL)) { + g->global_profiler_reservation_held = true; + g->profiler_reservation_count = 1; + dbg_s->has_profiler_reservation = true; + prof_obj->has_reservation = true; + return true; + } + return false; +} + +bool vgpu_check_and_set_context_reservation( + struct dbg_session_gk20a *dbg_s, + struct dbg_profiler_object_data *prof_obj) +{ + struct gk20a *g = dbg_s->g; + + /* Assumes that we've already checked that no global reservation + * is in effect for this guest. + * + * If our reservation count is non-zero, then no other guest has the + * global reservation; if it is zero, need to check with RM server. + * + */ + if ((g->profiler_reservation_count != 0) || + !vgpu_sendrecv_prof_cmd(dbg_s, TEGRA_VGPU_PROF_GET_CONTEXT)) { + g->profiler_reservation_count++; + dbg_s->has_profiler_reservation = true; + prof_obj->has_reservation = true; + return true; + } + return false; +} + +void vgpu_release_profiler_reservation( + struct dbg_session_gk20a *dbg_s, + struct dbg_profiler_object_data *prof_obj) +{ + struct gk20a *g = dbg_s->g; + + dbg_s->has_profiler_reservation = false; + prof_obj->has_reservation = false; + if (prof_obj->ch == NULL) + g->global_profiler_reservation_held = false; + + /* If new reservation count is zero, notify server */ + g->profiler_reservation_count--; + if (g->profiler_reservation_count == 0) + vgpu_sendrecv_prof_cmd(dbg_s, TEGRA_VGPU_PROF_RELEASE); +} + +static int vgpu_sendrecv_perfbuf_cmd(struct gk20a *g, u64 offset, u32 size) +{ + struct mm_gk20a *mm = &g->mm; + struct vm_gk20a *vm = mm->perfbuf.vm; + struct tegra_vgpu_cmd_msg msg; + struct tegra_vgpu_perfbuf_mgt_params *p = + &msg.params.perfbuf_management; + int err; + + msg.cmd = TEGRA_VGPU_CMD_PERFBUF_MGT; + msg.handle = vgpu_get_handle(g); + + p->vm_handle = vm->handle; + p->offset = offset; + p->size = size; + + err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); + err = err ? err : msg.ret; + return err; +} + +int vgpu_perfbuffer_enable(struct gk20a *g, u64 offset, u32 size) +{ + return vgpu_sendrecv_perfbuf_cmd(g, offset, size); +} + +int vgpu_perfbuffer_disable(struct gk20a *g) +{ + return vgpu_sendrecv_perfbuf_cmd(g, 0, 0); +} -- cgit v1.2.2