Chapter 3. RapidIO driver interface
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## Chapter 3. RapidIO driver interface

Table of Contents

Functions

Drivers are provided a set of calls in order to interface with the subsystem to gather info on devices, request/map memory region resources, and manage mailboxes/doorbells.

## Functions

rio_local_read_config_32 — Read 32 bits from local configuration space
rio_local_write_config_32 — Write 32 bits to local configuration space
rio_local_read_config_16 — Read 16 bits from local configuration space
rio_local_write_config_16 — Write 16 bits to local configuration space
rio_local_read_config_8 — Read 8 bits from local configuration space
rio_local_write_config_8 — Write 8 bits to local configuration space
rio_read_config_32 — Read 32 bits from configuration space
rio_write_config_32 — Write 32 bits to configuration space
rio_read_config_16 — Read 16 bits from configuration space
rio_write_config_16 — Write 16 bits to configuration space
rio_read_config_8 — Read 8 bits from configuration space
rio_write_config_8 — Write 8 bits to configuration space
rio_send_doorbell — Send a doorbell message to a device
rio_init_mbox_res — Initialize a RIO mailbox resource
rio_init_dbell_res — Initialize a RIO doorbell resource
RIO_DEVICE — macro used to describe a specific RIO device
rio_add_outb_message — Add RIO message to an outbound mailbox queue
rio_add_inb_buffer — Add buffer to an inbound mailbox queue
rio_get_inb_message — Get A RIO message from an inbound mailbox queue
rio_name — Get the unique RIO device identifier
rio_get_drvdata — Get RIO driver specific data
rio_set_drvdata — Set RIO driver specific data
rio_dev_get — Increments the reference count of the RIO device structure
rio_dev_put — Release a use of the RIO device structure
rio_register_driver — register a new RIO driver
rio_unregister_driver — unregister a RIO driver
rio_local_get_device_id — Get the base/extended device id for a port
rio_request_inb_mbox — request inbound mailbox service
rio_release_inb_mbox — release inbound mailbox message service
rio_request_outb_mbox — request outbound mailbox service
rio_release_outb_mbox — release outbound mailbox message service
rio_request_inb_dbell — request inbound doorbell message service
rio_release_inb_dbell — release inbound doorbell message service
rio_request_outb_dbell — request outbound doorbell message range
rio_release_outb_dbell — release outbound doorbell message range
rio_get_asm — Begin or continue searching for a RIO device by vid/did/asm_vid/asm_did
rio_get_device — Begin or continue searching for a RIO device by vid/did

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