diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-priv.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-priv.h | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h index eb365236f9a9..33e22b1ba043 100644 --- a/drivers/hwtracing/coresight/coresight-priv.h +++ b/drivers/hwtracing/coresight/coresight-priv.h @@ -13,7 +13,7 @@ #include <linux/pm_runtime.h> extern struct mutex coresight_mutex; -extern struct device_type coresight_dev_type[]; +extern const struct device_type coresight_dev_type[]; /* * Coresight management registers (0xf00-0xfcc) @@ -35,13 +35,20 @@ extern struct device_type coresight_dev_type[]; * Coresight device CLAIM protocol. * See PSCI - ARM DEN 0022D, Section: 6.8.1 Debug and Trace save and restore. */ -#define CORESIGHT_CLAIM_SELF_HOSTED BIT(1) +#define CORESIGHT_CLAIM_MASK GENMASK(1, 0) +#define CORESIGHT_CLAIM_FREE 0 +#define CORESIGHT_CLAIM_EXTERNAL 1 +#define CORESIGHT_CLAIM_SELF_HOSTED 2 +#define CORESIGHT_CLAIM_INVALID 3 #define TIMEOUT_US 100 #define BMVAL(val, lsb, msb) ((val & GENMASK(msb, lsb)) >> lsb) #define ETM_MODE_EXCL_KERN BIT(30) #define ETM_MODE_EXCL_USER BIT(31) +#define ETM_MODE_EXCL_HOST BIT(32) +#define ETM_MODE_EXCL_GUEST BIT(33) + struct cs_pair_attribute { struct device_attribute attr; u32 lo_off; @@ -53,10 +60,8 @@ struct cs_off_attribute { u32 off; }; -extern ssize_t coresight_simple_show32(struct device *_dev, - struct device_attribute *attr, char *buf); -extern ssize_t coresight_simple_show_pair(struct device *_dev, - struct device_attribute *attr, char *buf); +ssize_t coresight_simple_show32(struct device *_dev, struct device_attribute *attr, char *buf); +ssize_t coresight_simple_show_pair(struct device *_dev, struct device_attribute *attr, char *buf); #define coresight_simple_reg32(name, offset) \ (&((struct cs_off_attribute[]) { \ @@ -129,16 +134,16 @@ static inline void CS_UNLOCK(void __iomem *addr) } while (0); } -void coresight_disable_path(struct list_head *path); -int coresight_enable_path(struct list_head *path, enum cs_mode mode, +void coresight_disable_path(struct coresight_path *path); +int coresight_enable_path(struct coresight_path *path, enum cs_mode mode, void *sink_data); -struct coresight_device *coresight_get_sink(struct list_head *path); +struct coresight_device *coresight_get_sink(struct coresight_path *path); struct coresight_device *coresight_get_sink_by_id(u32 id); struct coresight_device * coresight_find_default_sink(struct coresight_device *csdev); -struct list_head *coresight_build_path(struct coresight_device *csdev, - struct coresight_device *sink); -void coresight_release_path(struct list_head *path); +struct coresight_path *coresight_build_path(struct coresight_device *csdev, + struct coresight_device *sink); +void coresight_release_path(struct coresight_path *path); int coresight_add_sysfs_link(struct coresight_sysfs_link *info); void coresight_remove_sysfs_link(struct coresight_sysfs_link *info); int coresight_create_conns_sysfs_group(struct coresight_device *csdev); @@ -148,10 +153,13 @@ int coresight_make_links(struct coresight_device *orig, struct coresight_device *target); void coresight_remove_links(struct coresight_device *orig, struct coresight_connection *conn); +u32 coresight_get_sink_id(struct coresight_device *csdev); +void coresight_path_assign_trace_id(struct coresight_path *path, + enum cs_mode mode); #if IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM3X) -extern int etm_readl_cp14(u32 off, unsigned int *val); -extern int etm_writel_cp14(u32 off, u32 val); +int etm_readl_cp14(u32 off, unsigned int *val); +int etm_writel_cp14(u32 off, u32 val); #else static inline int etm_readl_cp14(u32 off, unsigned int *val) { return 0; } static inline int etm_writel_cp14(u32 off, u32 val) { return 0; } @@ -162,8 +170,8 @@ struct cti_assoc_op { void (*remove)(struct coresight_device *csdev); }; -extern void coresight_set_cti_ops(const struct cti_assoc_op *cti_op); -extern void coresight_remove_cti_ops(void); +void coresight_set_cti_ops(const struct cti_assoc_op *cti_op); +void coresight_remove_cti_ops(void); /* * Macros and inline functions to handle CoreSight UCI data and driver @@ -222,6 +230,16 @@ static inline void *coresight_get_uci_data(const struct amba_id *id) return uci_id->data; } +static inline void *coresight_get_uci_data_from_amba(const struct amba_id *table, u32 pid) +{ + while (table->mask) { + if ((pid & table->mask) == table->id) + return coresight_get_uci_data(table); + table++; + }; + return NULL; +} + void coresight_release_platform_data(struct coresight_device *csdev, struct device *dev, struct coresight_platform_data *pdata); @@ -233,5 +251,7 @@ void coresight_add_helper(struct coresight_device *csdev, void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev); struct coresight_device *coresight_get_percpu_sink(int cpu); void coresight_disable_source(struct coresight_device *csdev, void *data); +void coresight_pause_source(struct coresight_device *csdev); +int coresight_resume_source(struct coresight_device *csdev); #endif |