diff options
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index 1fe6cd8b86c0..e67692879249 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -10,10 +10,26 @@ #include <linux/kref.h> #include <linux/rcupdate.h> #include <linux/wait.h> +#include <linux/raspberrypi/vchiq.h> #include "vchiq_cfg.h" -#include "vchiq.h" + +/* Do this so that we can test-build the code on non-rpi systems */ +#if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE) + +#else + +#ifndef dsb +#define dsb(a) +#endif + +#endif /* IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE) */ + +#define VCHIQ_SERVICE_HANDLE_INVALID 0 + +#define VCHIQ_SLOT_SIZE 4096 +#define VCHIQ_MAX_MSG_SIZE (VCHIQ_SLOT_SIZE - sizeof(struct vchiq_header)) /* Run time control of log level, based on KERN_XXX level. */ #define VCHIQ_LOG_DEFAULT 4 @@ -297,6 +313,12 @@ struct vchiq_service { uint64_t bulk_tx_bytes; uint64_t bulk_rx_bytes; } stats; + + int msg_queue_read; + int msg_queue_write; + struct completion msg_queue_pop; + struct completion msg_queue_push; + struct vchiq_header *msg_queue[VCHIQ_MAX_SLOTS]; }; /* The quota information is outside struct vchiq_service so that it can @@ -480,6 +502,18 @@ struct bulk_waiter { int actual; }; +struct vchiq_config { + unsigned int max_msg_size; + unsigned int bulk_threshold; /* The message size above which it + is better to use a bulk transfer + (<= max_msg_size) */ + unsigned int max_outstanding_bulks; + unsigned int max_services; + short version; /* The version of VCHIQ */ + short version_min; /* The minimum compatible version of VCHIQ */ +}; + + extern spinlock_t bulk_waiter_spinlock; extern int vchiq_core_log_level; @@ -659,4 +693,14 @@ extern void vchiq_log_dump_mem(const char *label, uint32_t addr, const void *voidMem, size_t numBytes); +extern enum vchiq_status vchiq_remove_service(unsigned int service); + +extern int vchiq_get_client_id(unsigned int service); + +extern void vchiq_get_config(struct vchiq_config *config); + +extern enum vchiq_status +vchiq_set_service_option(unsigned int service, enum vchiq_service_option option, + int value); + #endif |