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/*
* Copyright (c) 2017, 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 _GPMUIFPERFMON_H_
#define _GPMUIFPERFMON_H_
/*perfmon task defines*/
#define PMU_DOMAIN_GROUP_PSTATE 0
#define PMU_DOMAIN_GROUP_GPC2CLK 1
#define PMU_DOMAIN_GROUP_NUM 2
#define PMU_PERFMON_FLAG_ENABLE_INCREASE (0x00000001)
#define PMU_PERFMON_FLAG_ENABLE_DECREASE (0x00000002)
#define PMU_PERFMON_FLAG_CLEAR_PREV (0x00000004)
#define NV_PMU_PERFMON_MAX_COUNTERS 10U
enum pmu_perfmon_cmd_start_fields {
COUNTER_ALLOC
};
enum {
PMU_PERFMON_CMD_ID_START = 0,
PMU_PERFMON_CMD_ID_STOP = 1,
PMU_PERFMON_CMD_ID_INIT = 2
};
struct pmu_perfmon_counter_v2 {
u8 index;
u8 flags;
u8 group_id;
u8 valid;
u16 upper_threshold; /* units of 0.01% */
u16 lower_threshold; /* units of 0.01% */
u32 scale;
};
struct pmu_perfmon_counter_v3 {
u8 index;
u8 group_id;
u16 flags;
u16 upper_threshold; /* units of 0.01% */
u16 lower_threshold; /* units of 0.01% */
u32 scale;
};
struct pmu_perfmon_cmd_start_v3 {
u8 cmd_type;
u8 group_id;
u8 state_id;
u8 flags;
struct pmu_allocation_v3 counter_alloc;
};
struct pmu_perfmon_cmd_start_v2 {
u8 cmd_type;
u8 group_id;
u8 state_id;
u8 flags;
struct pmu_allocation_v2 counter_alloc;
};
struct pmu_perfmon_cmd_start_v1 {
u8 cmd_type;
u8 group_id;
u8 state_id;
u8 flags;
struct pmu_allocation_v1 counter_alloc;
};
struct pmu_perfmon_cmd_stop {
u8 cmd_type;
};
struct pmu_perfmon_cmd_init_v3 {
u8 cmd_type;
u8 to_decrease_count;
u8 base_counter_id;
u32 sample_period_us;
struct pmu_allocation_v3 counter_alloc;
u8 num_counters;
u8 samples_in_moving_avg;
u16 sample_buffer;
};
struct pmu_perfmon_cmd_init_v2 {
u8 cmd_type;
u8 to_decrease_count;
u8 base_counter_id;
u32 sample_period_us;
struct pmu_allocation_v2 counter_alloc;
u8 num_counters;
u8 samples_in_moving_avg;
u16 sample_buffer;
};
struct pmu_perfmon_cmd_init_v1 {
u8 cmd_type;
u8 to_decrease_count;
u8 base_counter_id;
u32 sample_period_us;
struct pmu_allocation_v1 counter_alloc;
u8 num_counters;
u8 samples_in_moving_avg;
u16 sample_buffer;
};
struct pmu_perfmon_cmd {
union {
u8 cmd_type;
struct pmu_perfmon_cmd_start_v1 start_v1;
struct pmu_perfmon_cmd_start_v2 start_v2;
struct pmu_perfmon_cmd_start_v3 start_v3;
struct pmu_perfmon_cmd_stop stop;
struct pmu_perfmon_cmd_init_v1 init_v1;
struct pmu_perfmon_cmd_init_v2 init_v2;
struct pmu_perfmon_cmd_init_v3 init_v3;
};
};
struct pmu_zbc_cmd {
u8 cmd_type;
u8 pad;
u16 entry_mask;
};
/* PERFMON MSG */
enum {
PMU_PERFMON_MSG_ID_INCREASE_EVENT = 0,
PMU_PERFMON_MSG_ID_DECREASE_EVENT = 1,
PMU_PERFMON_MSG_ID_INIT_EVENT = 2,
PMU_PERFMON_MSG_ID_ACK = 3
};
struct pmu_perfmon_msg_generic {
u8 msg_type;
u8 state_id;
u8 group_id;
u8 data;
};
struct pmu_perfmon_msg {
union {
u8 msg_type;
struct pmu_perfmon_msg_generic gen;
};
};
/* PFERMON RPC interface*/
/*
* RPC calls serviced by PERFMON unit.
*/
#define NV_PMU_RPC_ID_PERFMON_T18X_INIT 0x00
#define NV_PMU_RPC_ID_PERFMON_T18X_DEINIT 0x01
#define NV_PMU_RPC_ID_PERFMON_T18X_START 0x02
#define NV_PMU_RPC_ID_PERFMON_T18X_STOP 0x03
#define NV_PMU_RPC_ID_PERFMON_T18X_QUERY 0x04
#define NV_PMU_RPC_ID_PERFMON_T18X__COUNT 0x05
/*
* structure that holds data used to
* execute Perfmon INIT RPC.
* hdr - RPC header
* sample_periodus - Desired period in between samples.
* to_decrease_count - Consecutive samples before decrease event.
* base_counter_id - Index of the base counter.
* samples_in_moving_avg - Number of values in moving average.
* num_counters - Num of counters PMU should use.
* counter - Counters.
*/
struct nv_pmu_rpc_struct_perfmon_init {
struct nv_pmu_rpc_header hdr;
u32 sample_periodus;
u8 to_decrease_count;
u8 base_counter_id;
u8 samples_in_moving_avg;
u8 num_counters;
struct pmu_perfmon_counter_v3 counter[NV_PMU_PERFMON_MAX_COUNTERS];
u32 scratch[1];
};
/*
* structure that holds data used to
* execute Perfmon START RPC.
* hdr - RPC header
* group_id - NV group ID
* state_id - NV state ID
* flags - PMU_PERFON flags
* counters - Counters.
*/
struct nv_pmu_rpc_struct_perfmon_start {
struct nv_pmu_rpc_header hdr;
u8 group_id;
u8 state_id;
u8 flags;
struct pmu_perfmon_counter_v3 counter[NV_PMU_PERFMON_MAX_COUNTERS];
u32 scratch[1];
};
/*
* structure that holds data used to
* execute Perfmon STOP RPC.
* hdr - RPC header
*/
struct nv_pmu_rpc_struct_perfmon_stop {
struct nv_pmu_rpc_header hdr;
u32 scratch[1];
};
/*
* structure that holds data used to
* execute QUERY RPC.
* hdr - RPC header
* sample_buffer - Output buffer from pmu containing utilization samples.
*/
struct nv_pmu_rpc_struct_perfmon_query {
struct nv_pmu_rpc_header hdr;
u16 sample_buffer[NV_PMU_PERFMON_MAX_COUNTERS];
u32 scratch[1];
};
#endif /* _GPMUIFPERFMON_H_ */
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