diff options
Diffstat (limited to 'drivers/hwtracing/ptt/hisi_ptt.h')
| -rw-r--r-- | drivers/hwtracing/ptt/hisi_ptt.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/hwtracing/ptt/hisi_ptt.h b/drivers/hwtracing/ptt/hisi_ptt.h index 10446dce8a86..5beb1648c93a 100644 --- a/drivers/hwtracing/ptt/hisi_ptt.h +++ b/drivers/hwtracing/ptt/hisi_ptt.h @@ -12,6 +12,7 @@ #include <linux/bits.h> #include <linux/cpumask.h> #include <linux/list.h> +#include <linux/mutex.h> #include <linux/pci.h> #include <linux/perf_event.h> #include <linux/spinlock.h> @@ -22,6 +23,11 @@ /* * The definition of the device registers and register fields. */ +#define HISI_PTT_TUNING_CTRL 0x0000 +#define HISI_PTT_TUNING_CTRL_CODE GENMASK(15, 0) +#define HISI_PTT_TUNING_CTRL_SUB GENMASK(23, 16) +#define HISI_PTT_TUNING_DATA 0x0004 +#define HISI_PTT_TUNING_DATA_VAL_MASK GENMASK(15, 0) #define HISI_PTT_TRACE_ADDR_SIZE 0x0800 #define HISI_PTT_TRACE_ADDR_BASE_LO_0 0x0810 #define HISI_PTT_TRACE_ADDR_BASE_HI_0 0x0814 @@ -37,6 +43,8 @@ #define HISI_PTT_TRACE_INT_STAT 0x0890 #define HISI_PTT_TRACE_INT_STAT_MASK GENMASK(3, 0) #define HISI_PTT_TRACE_INT_MASK 0x0894 +#define HISI_PTT_TUNING_INT_STAT 0x0898 +#define HISI_PTT_TUNING_INT_STAT_MASK BIT(0) #define HISI_PTT_TRACE_WR_STS 0x08a0 #define HISI_PTT_TRACE_WR_STS_WRITE GENMASK(27, 0) #define HISI_PTT_TRACE_WR_STS_BUFFER GENMASK(29, 28) @@ -59,6 +67,7 @@ #define HISI_PTT_RESET_TIMEOUT_US 10UL #define HISI_PTT_RESET_POLL_INTERVAL_US 1UL /* Poll timeout and interval for waiting hardware work to finish */ +#define HISI_PTT_WAIT_TUNE_TIMEOUT_US 1000000UL #define HISI_PTT_WAIT_TRACE_TIMEOUT_US 100UL #define HISI_PTT_WAIT_POLL_INTERVAL_US 10UL @@ -72,6 +81,18 @@ #define HISI_PTT_PMU_FORMAT_MASK GENMASK(35, 32) /** + * struct hisi_ptt_tune_desc - Describe tune event for PTT tune + * @hisi_ptt: PTT device this tune event belongs to + * @name: name of this event + * @event_code: code of the event + */ +struct hisi_ptt_tune_desc { + struct hisi_ptt *hisi_ptt; + const char *name; + u32 event_code; +}; + +/** * struct hisi_ptt_dma_buffer - Describe a single trace buffer of PTT trace. * The detail of the data format is described * in the documentation of PTT device. @@ -143,6 +164,7 @@ struct hisi_ptt_pmu_buf { * @hisi_ptt_pmu: the pum device of trace * @iobase: base IO address of the device * @pdev: pci_dev of this PTT device + * @tune_lock: lock to serialize the tune process * @pmu_lock: lock to serialize the perf process * @upper_bdf: the upper BDF range of the PCI devices managed by this PTT device * @lower_bdf: the lower BDF range of the PCI devices managed by this PTT device @@ -156,6 +178,7 @@ struct hisi_ptt { struct pmu hisi_ptt_pmu; void __iomem *iobase; struct pci_dev *pdev; + struct mutex tune_lock; spinlock_t pmu_lock; u32 upper_bdf; u32 lower_bdf; |