diff options
Diffstat (limited to 'drivers/misc/habanalabs/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index a4d929f5bad8..23b86b7f9732 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -45,6 +45,8 @@ /* MUST BE POWER OF 2 and larger than 1 */ #define HL_MAX_PENDING_CS 64 +#define HL_IDLE_BUSY_TS_ARR_SIZE 4096 + /* Memory */ #define MEM_HASH_TABLE_BITS 7 /* 1 << 7 buckets */ @@ -1157,6 +1159,16 @@ struct hl_device_reset_work { }; /** + * struct hl_device_idle_busy_ts - used for calculating device utilization rate. + * @idle_to_busy_ts: timestamp where device changed from idle to busy. + * @busy_to_idle_ts: timestamp where device changed from busy to idle. + */ +struct hl_device_idle_busy_ts { + ktime_t idle_to_busy_ts; + ktime_t busy_to_idle_ts; +}; + +/** * struct hl_device - habanalabs device structure. * @pdev: pointer to PCI device, can be NULL in case of simulator device. * @pcie_bar: array of available PCIe bars. @@ -1203,19 +1215,22 @@ struct hl_device_reset_work { * when a user opens the device * @fpriv_list_lock: protects the fpriv_list * @compute_ctx: current compute context executing. + * @idle_busy_ts_arr: array to hold time stamps of transitions from idle to busy + * and vice-versa * @dram_used_mem: current DRAM memory consumption. * @timeout_jiffies: device CS timeout value. * @max_power: the max power of the device, as configured by the sysadmin. This * value is saved so in case of hard-reset, KMD will restore this * value and update the F/W after the re-initialization * @in_reset: is device in reset flow. + * @curr_pll_profile: current PLL profile. * @cs_active_cnt: number of active command submissions on this device (active * means already in H/W queues) - * @curr_pll_profile: current PLL profile. * @major: habanalabs KMD major. * @high_pll: high PLL profile frequency. * @soft_reset_cnt: number of soft reset since KMD loading. * @hard_reset_cnt: number of hard reset since KMD loading. + * @idle_busy_ts_idx: index of current entry in idle_busy_ts_arr * @id: device minor. * @id_control: minor of the control device * @disabled: is device disabled. @@ -1285,16 +1300,19 @@ struct hl_device { struct hl_ctx *compute_ctx; + struct hl_device_idle_busy_ts *idle_busy_ts_arr; + atomic64_t dram_used_mem; u64 timeout_jiffies; u64 max_power; atomic_t in_reset; - atomic_t cs_active_cnt; enum hl_pll_frequency curr_pll_profile; + int cs_active_cnt; u32 major; u32 high_pll; u32 soft_reset_cnt; u32 hard_reset_cnt; + u32 idle_busy_ts_idx; u16 id; u16 id_control; u8 disabled; @@ -1457,6 +1475,7 @@ int hl_device_reset(struct hl_device *hdev, bool hard_reset, void hl_hpriv_get(struct hl_fpriv *hpriv); void hl_hpriv_put(struct hl_fpriv *hpriv); int hl_device_set_frequency(struct hl_device *hdev, enum hl_pll_frequency freq); +uint32_t hl_device_utilization(struct hl_device *hdev, uint32_t period_ms); int hl_build_hwmon_channel_info(struct hl_device *hdev, struct armcp_sensor *sensors_arr); |