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sys/dev/bhnd/siba/sibavar.h

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*/ */
#ifndef _SIBA_SIBAVAR_H_ #ifndef _SIBA_SIBAVAR_H_
#define _SIBA_SIBAVAR_H_ #define _SIBA_SIBAVAR_H_
#include <sys/param.h> #include <sys/param.h>
#include <sys/bus.h> #include <sys/bus.h>
#include <sys/limits.h> #include <sys/limits.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/bus.h> #include <machine/bus.h>
#include <sys/rman.h> #include <sys/rman.h>
#include "siba.h" #include "siba.h"
/* /*
* Internal definitions shared by siba(4) driver implementations. * Internal definitions shared by siba(4) driver implementations.
*/ */
struct siba_addrspace; struct siba_addrspace;
struct siba_cfg_block; struct siba_cfg_block;
struct siba_devinfo; struct siba_devinfo;
struct siba_core_id; struct siba_core_id;
struct siba_softc;
int siba_probe(device_t dev); int siba_probe(device_t dev);
int siba_attach(device_t dev); int siba_attach(device_t dev);
int siba_detach(device_t dev); int siba_detach(device_t dev);
int siba_resume(device_t dev); int siba_resume(device_t dev);
int siba_suspend(device_t dev); int siba_suspend(device_t dev);
u_int siba_get_intr_count(device_t dev, device_t child); u_int siba_get_intr_count(device_t dev, device_t child);
int siba_get_intr_ivec(device_t dev, device_t child, int siba_get_intr_ivec(device_t dev, device_t child,
▲ Show 20 Lines • Show All 115 Lines • ▼ Show 20 Linesstruct siba_core_id {
uint8_t num_addrspace; /**< number of address ranges mapped to uint8_t num_addrspace; /**< number of address ranges mapped to
this core. */ this core. */
uint8_t num_cfg_blocks; /**< number of Sonics configuration register uint8_t num_cfg_blocks; /**< number of Sonics configuration register
blocks mapped to the core's enumeration blocks mapped to the core's enumeration
space */ space */
}; };
/** /**
* siba(4) per-core PMU allocation state.
*/
typedef enum {
SIBA_PMU_NONE, /**< If the core has not yet allocated PMU state */
SIBA_PMU_BHND, /**< If standard bhnd(4) PMU support should be used */
SIBA_PMU_PWRCTL, /**< If legacy PWRCTL PMU support should be used */
} siba_pmu_state;
/**
* siba(4) per-device info * siba(4) per-device info
*/ */
struct siba_devinfo { struct siba_devinfo {
struct resource_list resources; /**< per-core memory regions. */ struct resource_list resources; /**< per-core memory regions. */
struct siba_core_id core_id; /**< core identification info */ struct siba_core_id core_id; /**< core identification info */
struct siba_addrspace addrspace[SIBA_MAX_ADDRSPACE]; /**< memory map descriptors */ struct siba_addrspace addrspace[SIBA_MAX_ADDRSPACE]; /**< memory map descriptors */
struct siba_cfg_block cfg[SIBA_MAX_CFG]; /**< config block descriptors */ struct siba_cfg_block cfg[SIBA_MAX_CFG]; /**< config block descriptors */
struct siba_intr intr; /**< interrupt flag descriptor, if any */ struct siba_intr intr; /**< interrupt flag descriptor, if any */
bool intr_en; /**< if true, core has an assigned interrupt flag */ bool intr_en; /**< if true, core has an assigned interrupt flag */
struct bhnd_resource *cfg_res[SIBA_MAX_CFG]; /**< bus-mapped config block registers */ struct bhnd_resource *cfg_res[SIBA_MAX_CFG]; /**< bus-mapped config block registers */
int cfg_rid[SIBA_MAX_CFG]; /**< bus-mapped config block resource IDs */ int cfg_rid[SIBA_MAX_CFG]; /**< bus-mapped config block resource IDs */
struct bhnd_core_pmu_info *pmu_info; /**< Bus-managed PMU state, or NULL */ siba_pmu_state pmu_state; /**< per-core PMU state */
union {
void *bhnd_info; /**< if SIBA_PMU_BHND, bhnd(4)-managed per-core PMU info. */
device_t pwrctl; /**< if SIBA_PMU_PWRCTL, legacy PWRCTL provider. */
} pmu;
}; };
/** siba(4) per-instance state */ /** siba(4) per-instance state */
struct siba_softc { struct siba_softc {
struct bhnd_softc bhnd_sc; /**< bhnd state */ struct bhnd_softc bhnd_sc; /**< bhnd state */
device_t dev; /**< siba device */ device_t dev; /**< siba device */
struct mtx mtx; /**< state mutex */
}; };
#define SIBA_LOCK_INIT(sc) \
mtx_init(&(sc)->mtx, device_get_nameunit((sc)->dev), NULL, MTX_DEF)
#define SIBA_LOCK(sc) mtx_lock(&(sc)->mtx)
#define SIBA_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
#define SIBA_LOCK_ASSERT(sc, what) mtx_assert(&(sc)->mtx, what)
#define SIBA_LOCK_DESTROY(sc) mtx_destroy(&(sc)->mtx)
#endif /* _SIBA_SIBAVAR_H_ */ #endif /* _SIBA_SIBAVAR_H_ */