diff options
Diffstat (limited to 'gxp-mailbox.h')
| -rw-r--r-- | gxp-mailbox.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/gxp-mailbox.h b/gxp-mailbox.h index d2cfee4..06c9718 100644 --- a/gxp-mailbox.h +++ b/gxp-mailbox.h @@ -102,6 +102,8 @@ struct gxp_mailbox_descriptor { u32 resp_queue_size; }; +#define GXP_MAILBOX_INT_BIT_COUNT 16 + struct gxp_mailbox { uint core_id; struct gxp_dev *gxp; @@ -109,9 +111,11 @@ struct gxp_mailbox { void __iomem *data_reg_base; void (*handle_irq)(struct gxp_mailbox *mailbox); - void (*handle_debug_dump_irq)(struct gxp_mailbox *mailbox); + struct work_struct *interrupt_handlers[GXP_MAILBOX_INT_BIT_COUNT]; unsigned int interrupt_virq; - u32 debug_dump_int_mask; + struct task_struct *to_host_poll_task; + /* Protects to_host_poll_task while it holds a sync barrier */ + struct mutex polling_lock; u64 cur_seq; @@ -137,8 +141,6 @@ struct gxp_mailbox { wait_queue_head_t wait_list_waitq; struct workqueue_struct *response_wq; struct work_struct response_work; - struct work_struct debug_dump_work; - struct task_struct *to_host_poll_task; }; typedef void __iomem *(*get_mailbox_base_t)(struct gxp_dev *gxp, uint index); @@ -146,7 +148,6 @@ typedef void __iomem *(*get_mailbox_base_t)(struct gxp_dev *gxp, uint index); struct gxp_mailbox_manager { struct gxp_dev *gxp; u8 num_cores; - rwlock_t mailboxes_lock; struct gxp_mailbox **mailboxes; get_mailbox_base_t get_mailbox_csr_base; get_mailbox_base_t get_mailbox_data_base; @@ -157,6 +158,11 @@ struct gxp_mailbox_manager { struct gxp_mailbox_manager *gxp_mailbox_create_manager(struct gxp_dev *gxp, uint num_cores); +/* + * The following functions all require their caller have locked + * gxp->vd_semaphore for reading. + */ + struct gxp_mailbox *gxp_mailbox_alloc(struct gxp_mailbox_manager *mgr, u8 core_id); void gxp_mailbox_release(struct gxp_mailbox_manager *mgr, @@ -173,9 +179,11 @@ int gxp_mailbox_execute_cmd_async(struct gxp_mailbox *mailbox, spinlock_t *queue_lock, wait_queue_head_t *queue_waitq); -void gxp_mailbox_register_debug_handler(struct gxp_mailbox *mailbox, - void (*debug_dump_process) - (struct work_struct *work), - u32 debug_dump_int_mask); +int gxp_mailbox_register_interrupt_handler(struct gxp_mailbox *mailbox, + u32 int_bit, + struct work_struct *handler); + +int gxp_mailbox_unregister_interrupt_handler(struct gxp_mailbox *mailbox, + u32 int_bit); #endif /* __GXP_MAILBOX_H__ */ |