rio_local_write_config_8 – Write 8 bits to local configuration space Synopsis int rio_local_write_config_8(struct rio_mport *port, u32 offset, u8 data); Arguments port Master port offset Offset into local configuration space data Data to be written Description Writes 8 bits of data to the specified offset within the local device’s configuration space. Author Matt Porter <mporter [at] kernel.crashing.org>,…
rio_local_write_config_32 – Write 32 bits to local configuration space Synopsis int rio_local_write_config_32(struct rio_mport *port, u32 offset, u32 data); Arguments port Master port offset Offset into local configuration space data Data to be written Description Writes 32 bits of data to the specified offset within the local device’s configuration space. Author Matt Porter <mporter [at] kernel.crashing.org>,…
rio_local_write_config_16 – Write 16 bits to local configuration space Synopsis int rio_local_write_config_16(struct rio_mport *port, u32 offset, u16 data); Arguments port Master port offset Offset into local configuration space data Data to be written Description Writes 16 bits of data to the specified offset within the local device’s configuration space. Author Matt Porter <mporter [at] kernel.crashing.org>,…
rio_local_set_device_id – Set the base/extended device id for a port Synopsis void rio_local_set_device_id(struct rio_mport *port, u16 did); Arguments port RIO master port did Device ID value to be written Description Writes the base/extended device id from a device. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_local_read_config_8 – Read 8 bits from local configuration space Synopsis int rio_local_read_config_8(struct rio_mport *port, u32 offset, u8 *data); Arguments port Master port offset Offset into local configuration space data Pointer to read data into Description Reads 8 bits of data from the specified offset within the local device’s configuration space. Author Matt Porter <mporter [at]…
rio_local_read_config_32 – Read 32 bits from local configuration space Synopsis int rio_local_read_config_32(struct rio_mport *port, u32 offset, u32 *data); Arguments port Master port offset Offset into local configuration space data Pointer to read data into Description Reads 32 bits of data from the specified offset within the local device’s configuration space. Author Matt Porter <mporter [at]…
rio_local_read_config_16 – Read 16 bits from local configuration space Synopsis int rio_local_read_config_16(struct rio_mport *port, u32 offset, u16 *data); Arguments port Master port offset Offset into local configuration space data Pointer to read data into Description Reads 16 bits of data from the specified offset within the local device’s configuration space. Author Matt Porter <mporter [at]…
rio_local_get_device_id – Get the base/extended device id for a port Synopsis u16 rio_local_get_device_id(struct rio_mport * port); Arguments port RIO master port from which to get the deviceid Description Reads the base/extended device id from the local device implementing the master port. Returns the 8/16-bit device id. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_is_switch – Tests if a RIO device has switch capabilities Synopsis int rio_is_switch(struct rio_dev *rdev); Arguments rdev RIO device Description Gets the RIO device Processing Element Features register contents and tests for switch capabilities. Returns 1 if the device is a switch or 0 if it is not a switch. The RIO device struct is…
rio_init_mbox_res – Initialize a RIO mailbox resource Synopsis void rio_init_mbox_res(struct resource *res, int start, int end); Arguments res resource struct start start of mailbox range end end of mailbox range Description This function is used to initialize the fields of a resource for use as a mailbox resource. It initializes a range of mailboxes using…
rio_init_em – Initializes RIO Error Management (for switches) Synopsis void rio_init_em(struct rio_dev *rdev); Arguments rdev RIO device Description For each enumerated switch, call device-specific error management initialization routine (if supplied by the switch driver). Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_init_dbell_res – Initialize a RIO doorbell resource Synopsis void rio_init_dbell_res(struct resource *res, u16 start, u16 end); Arguments res resource struct start start of doorbell range end end of doorbell range Description This function is used to initialize the fields of a resource for use as a doorbell resource. It initializes a range of doorbell messages…
rio_inb_pwrite_handler – inbound port-write message handler Synopsis int rio_inb_pwrite_handler(struct rio_mport *mport, union rio_pw_msg *pw_msg); Arguments mport mport device associated with port-write pw_msg pointer to inbound port-write message Description Processes an inbound port-write message. Returns 0 if the request has been satisfied. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_get_input_status – Sends a Link-Request/Input-Status control symbol and returns link-response (if requested). Synopsis int rio_get_input_status(struct rio_dev *rdev, int pnum, u32 *lnkresp); Arguments rdev RIO devive to issue Input-status command pnum Device port number to issue the command lnkresp Response from a link partner Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_get_inb_message – Get A RIO message from an inbound mailbox queue Synopsis void *rio_get_inb_message(struct rio_mport *mport, int mbox); Arguments mport Master port containing the inbound mailbox mbox The inbound mailbox number Description Get a RIO message from an inbound mailbox queue. Returns 0 on success. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author….
rio_get_host_deviceid_lock – Reads the Host Device ID Lock CSR on a device Synopsis u16 rio_get_host_deviceid_lock(struct rio_mport * port, u8 hopcount); Arguments port Master port to send transaction hopcount Number of hops to the device Description Used during enumeration to read the Host Device ID Lock CSR on a RIO device. Returns the value of the lock register. Author…
rio_get_drvdata – Get RIO driver specific data Synopsis void *rio_get_drvdata(struct rio_dev *rdev); Arguments rdev RIO device Description Get RIO driver specific data. Returns a pointer to the driver specific data. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_get_device_id – Get the base/extended device id for a device Synopsis u16 rio_get_device_id(struct rio_mport * port, u16 destid, u8 hopcount); Arguments port RIO master port destid Destination ID of device hopcount Hopcount to device Description Reads the base/extended device id from a device. Returns the 8/16-bit device ID. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_get_device – Begin or continue searching for a RIO device by vid/did Synopsis struct rio_dev * rio_get_device(u16 vid, u16 did, struct rio_dev * from); Arguments vid RIO vid to match or RIO_ANY_ID to match all vids did RIO did to match or RIO_ANY_ID to match all dids from Previous RIO device found in search, or NULL for new search…
rio_get_comptag – Begin or continue searching for a RIO device by component tag Synopsis struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from); Arguments comp_tag RIO component tag to match from Previous RIO device found in search, or NULL for new search Description Iterates through the list of known RIO devices. If a RIO device is found…