Files
linux-nvgpu/drivers/gpu/nvgpu/common/sec2/sec2_lsfm.c
mkumbar 13ca3c9a37 gpu: nvgpu: boot enabled GPC’s using SEC2 RTOS ucode
Read mask of GPC’s to boot only enabled GPC’s and discard
floorswept GPC.
Read GPC’s mask info need to send to SEC2 RTOS to bootstrap
enabled GPC’s.

JIRA NVGPU-5466

Change-Id: Id4ed7d4072730da8e128cd43af92a1a6b1aac8ad
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2394004
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Dinesh T <dt@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
2020-12-15 14:13:28 -06:00

123 lines
3.8 KiB
C

/*
* Copyright (c) 2018-2020, 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 <nvgpu/pmu/pmuif/cmn.h>
#include <nvgpu/sec2/lsfm.h>
#include <nvgpu/sec2/msg.h>
#include <nvgpu/gk20a.h>
#include <nvgpu/sec2/cmd.h>
#include <nvgpu/gr/config.h>
#include <nvgpu/gr/gr_utils.h>
/* Add code below to handle SEC2 RTOS commands */
/* LSF's bootstrap command */
static void sec2_handle_lsfm_boot_acr_msg(struct gk20a *g,
struct nv_flcn_msg_sec2 *msg,
void *param, u32 status)
{
bool *command_ack = param;
nvgpu_log_fn(g, " ");
nvgpu_sec2_dbg(g, "reply NV_SEC2_ACR_CMD_ID_BOOTSTRAP_FALCON");
nvgpu_sec2_dbg(g, "flcn %d: error code = %x",
msg->msg.acr.msg_flcn.falcon_id,
msg->msg.acr.msg_flcn.error_code);
*command_ack = true;
}
static void sec2_load_ls_falcons(struct gk20a *g, struct nvgpu_sec2 *sec2,
u32 falcon_id, u32 flags)
{
struct nv_flcn_cmd_sec2 cmd;
bool command_ack;
int err = 0;
size_t tmp_size;
nvgpu_log_fn(g, " ");
/* send message to load falcon */
(void) memset(&cmd, 0, sizeof(struct nv_flcn_cmd_sec2));
cmd.hdr.unit_id = NV_SEC2_UNIT_ACR;
tmp_size = PMU_CMD_HDR_SIZE +
sizeof(struct nv_sec2_acr_cmd_bootstrap_falcon);
nvgpu_assert(tmp_size <= U64(U8_MAX));
cmd.hdr.size = U8(tmp_size);
cmd.cmd.acr.bootstrap_falcon.cmd_type =
NV_SEC2_ACR_CMD_ID_BOOTSTRAP_FALCON;
cmd.cmd.acr.bootstrap_falcon.flags = flags;
cmd.cmd.acr.bootstrap_falcon.falcon_id = falcon_id;
cmd.cmd.acr.bootstrap_falcon.falcon_instance =
LSF_FALCON_INSTANCE_DEFAULT;
cmd.cmd.acr.bootstrap_falcon.falcon_index_mask =
LSF_FALCON_INDEX_MASK_DEFAULT;
if (falcon_id == FALCON_ID_GPCCS) {
cmd.cmd.acr.bootstrap_falcon.falcon_index_mask =
nvgpu_gr_config_get_gpc_mask(nvgpu_gr_get_config_ptr(g));
}
nvgpu_sec2_dbg(g, "NV_SEC2_ACR_CMD_ID_BOOTSTRAP_FALCON : %x",
falcon_id);
command_ack = false;
err = nvgpu_sec2_cmd_post(g, &cmd, PMU_COMMAND_QUEUE_HPQ,
sec2_handle_lsfm_boot_acr_msg, &command_ack, U32_MAX);
if (err != 0) {
nvgpu_err(g, "command post failed");
}
err = nvgpu_sec2_wait_message_cond(sec2, nvgpu_get_poll_timeout(g),
&command_ack, U8(true));
if (err != 0) {
nvgpu_err(g, "command ack receive failed");
}
}
int nvgpu_sec2_bootstrap_ls_falcons(struct gk20a *g, struct nvgpu_sec2 *sec2,
u32 falcon_id)
{
int err = 0;
nvgpu_log_fn(g, " ");
nvgpu_sec2_dbg(g, "Check SEC2 RTOS is ready else wait");
err = nvgpu_sec2_wait_message_cond(&g->sec2, nvgpu_get_poll_timeout(g),
&g->sec2.sec2_ready, U8(true));
if (err != 0) {
nvgpu_err(g, "SEC2 RTOS not ready yet, failed to bootstrap flcn %d",
falcon_id);
goto exit;
}
nvgpu_sec2_dbg(g, "LS flcn %d bootstrap, blocked call", falcon_id);
sec2_load_ls_falcons(g, sec2, falcon_id,
NV_SEC2_ACR_CMD_BOOTSTRAP_FALCON_FLAGS_RESET_YES);
exit:
nvgpu_sec2_dbg(g, "Done, err-%x", err);
return err;
}