diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_telemetry.h')
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_telemetry.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_telemetry.h b/drivers/crypto/intel/qat/qat_common/adf_telemetry.h new file mode 100644 index 000000000000..9be81cd3b886 --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_telemetry.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2023 Intel Corporation. */ +#ifndef ADF_TELEMETRY_H +#define ADF_TELEMETRY_H + +#include <linux/bits.h> +#include <linux/mutex.h> +#include <linux/types.h> +#include <linux/workqueue.h> + +#include "icp_qat_fw_init_admin.h" + +struct adf_accel_dev; +struct adf_tl_dbg_counter; +struct dentry; + +#define ADF_TL_SL_CNT_COUNT \ + (sizeof(struct icp_qat_fw_init_admin_slice_cnt) / sizeof(__u8)) + +#define TL_CAPABILITY_BIT BIT(1) +/* Interval within device writes data to DMA region. Value in milliseconds. */ +#define ADF_TL_DATA_WR_INTERVAL_MS 1000 +/* Interval within timer interrupt should be handled. Value in milliseconds. */ +#define ADF_TL_TIMER_INT_MS (ADF_TL_DATA_WR_INTERVAL_MS / 2) + +#define ADF_TL_RP_REGS_DISABLED (0xff) + +struct adf_tl_hw_data { + size_t layout_sz; + size_t slice_reg_sz; + size_t rp_reg_sz; + size_t msg_cnt_off; + const struct adf_tl_dbg_counter *dev_counters; + const struct adf_tl_dbg_counter *sl_util_counters; + const struct adf_tl_dbg_counter *sl_exec_counters; + const struct adf_tl_dbg_counter *rp_counters; + u8 num_hbuff; + u8 cpp_ns_per_cycle; + u8 bw_units_to_bytes; + u8 num_dev_counters; + u8 num_rp_counters; + u8 max_rp; +}; + +struct adf_telemetry { + struct adf_accel_dev *accel_dev; + atomic_t state; + u32 hbuffs; + int hb_num; + u32 msg_cnt; + dma_addr_t regs_data_p; /* bus address for DMA mapping */ + void *regs_data; /* virtual address for DMA mapping */ + /** + * @regs_hist_buff: array of pointers to copies of the last @hbuffs + * values of @regs_data + */ + void **regs_hist_buff; + struct dentry *dbg_dir; + u8 *rp_num_indexes; + /** + * @regs_hist_lock: protects from race conditions between write and read + * to the copies referenced by @regs_hist_buff + */ + struct mutex regs_hist_lock; + /** + * @wr_lock: protects from concurrent writes to debugfs telemetry files + */ + struct mutex wr_lock; + struct delayed_work work_ctx; + struct icp_qat_fw_init_admin_slice_cnt slice_cnt; +}; + +#ifdef CONFIG_DEBUG_FS +int adf_tl_init(struct adf_accel_dev *accel_dev); +int adf_tl_start(struct adf_accel_dev *accel_dev); +void adf_tl_stop(struct adf_accel_dev *accel_dev); +void adf_tl_shutdown(struct adf_accel_dev *accel_dev); +int adf_tl_run(struct adf_accel_dev *accel_dev, int state); +int adf_tl_halt(struct adf_accel_dev *accel_dev); +#else +static inline int adf_tl_init(struct adf_accel_dev *accel_dev) +{ + return 0; +} + +static inline int adf_tl_start(struct adf_accel_dev *accel_dev) +{ + return 0; +} + +static inline void adf_tl_stop(struct adf_accel_dev *accel_dev) +{ +} + +static inline void adf_tl_shutdown(struct adf_accel_dev *accel_dev) +{ +} +#endif /* CONFIG_DEBUG_FS */ +#endif /* ADF_TELEMETRY_H */ |