Files
linux-nvgpu/drivers/gpu/nvgpu/common/gsp/ipc/gsp_msg.h
Ramesh Mylavarapu 35796f70c6 gpu: nvgpu: add msg handling support
Add message handling support to read the response from
GSP nvrisc.

NVGPU-6784

Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I0d301dfc34560f7b18e075cf11f7afbe7d1b6e06
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2590769
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2021-10-01 09:29:42 -07:00

75 lines
2.0 KiB
C

/*
* Copyright (c) 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.
*/
#ifndef NVGPU_GSP_MSG_H
#define NVGPU_GSP_MSG_H
#include <nvgpu/types.h>
#include <nvgpu/gsp.h>
#include "gsp_cmd.h"
struct nvgpu_gsp;
#define GSP_CMD_FLAGS_MASK U8(0xF0U)
#define GSP_CMD_FLAGS_STATUS BIT8(0U)
#define GSP_CMD_FLAGS_INTR BIT8(1U)
#define GSP_CMD_FLAGS_EVENT BIT8(2U)
#define GSP_CMD_FLAGS_RPC_EVENT BIT8(3U)
#define GSP_DMEM_ALLOC_ALIGNMENT 32U
#define GSP_DMEM_ALIGNMENT 4U
enum {
NV_GSP_INIT_MSG_ID_GSP_INIT = 0U,
};
struct gsp_init_msg_gsp_init {
u8 msg_type;
u8 num_queues;
struct {
u32 queue_offset;
u16 queue_size;
u8 queue_phy_id;
u8 queue_log_id;
} q_info[GSP_QUEUE_NUM];
};
union nv_flcn_msg_gsp_init {
u8 msg_type;
struct gsp_init_msg_gsp_init gsp_init;
};
struct nv_flcn_msg_gsp {
struct gsp_hdr hdr;
union {
union nv_flcn_msg_gsp_init init;
} msg;
};
int nvgpu_gsp_wait_message_cond(struct nvgpu_gsp *gsp, u32 timeout_ms,
void *var, u8 val);
#endif /* NVGPU_GSP_MSG_H */