rio_unlock_device – Releases host device lock for specified device Synopsis int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount); Arguments port Master port to send transaction destid Destination ID for device/switch hopcount Hopcount to reach switch Description Returns 0 if device lock released or EINVAL if fails. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com>…
rio_std_route_get_entry – Read switch route table entry (port number) associated with specified destID using standard registers defined in RIO specification rev.1.3 Synopsis int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 *route_port); Arguments mport Master port to issue transaction destid Destination ID of the device hopcount Number of switch hops to…
rio_std_route_clr_table – Clear swotch route table using standard registers defined in RIO specification rev.1.3. Synopsis int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table); Arguments mport Master port to issue transaction destid Destination ID of the device hopcount Number of switch hops to the device table routing table ID (global or port-specific) Author Matt…
rio_std_route_add_entry – Add switch route table entry using standard registers defined in RIO specification rev.1.3 Synopsis int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port); Arguments mport Master port to issue transaction destid Destination ID of the device hopcount Number of switch hops to the device table routing table ID…
rio_sport_is_active – Tests if a switch port has an active connection. Synopsis int rio_sport_is_active(struct rio_dev *rdev, int sp); Arguments rdev RapidIO device object sp Switch port number Description Reads the port error status CSR for a particular switch port to determine if the port has an active link. Returns RIO_PORT_N_ERR_STS_PORT_OK if the port is active…
rio_setup_inb_dbell – bind inbound doorbell callback Synopsis int rio_setup_inb_dbell(struct rio_mport *mport, void *dev_id, struct resource *res, void (*dinb)(struct rio_mport *mport, void *dev_id, u16 src, u16 dst, u16 info)); Arguments mport RIO master port to bind the doorbell callback dev_id Device specific pointer to pass on event res Doorbell message resource dinb Callback to execute when…
rio_setup_device – Allocates and sets up a RIO device Synopsis struct rio_dev *rio_setup_device(struct rio_net *net, struct rio_mport *port, u16 destid, u8 hopcount, int do_enum); Arguments net RIO network port Master port to send transactions destid Current destination ID hopcount Current hopcount do_enum Enumeration/Discovery mode flag Description Allocates a RIO device and configures fields based on…
rio_set_port_lockout – Sets/clears LOCKOUT bit (RIO EM 1.3) for a switch port. Synopsis int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); Arguments rdev Pointer to RIO device control structure pnum Switch port number to set LOCKOUT bit lock Operation : set (=1) or clear (=0) Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author….
rio_set_drvdata – Set RIO driver specific data Synopsis void rio_set_drvdata(struct rio_dev *rdev, void *data); Arguments rdev RIO device data Pointer to driver specific data Description Set RIO driver specific data. device struct driver data pointer is set to the data argument. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_set_device_id – Set the base/extended device id for a device Synopsis void rio_set_device_id(struct rio_mport *port, u16 destid, u8 hopcount, u16 did); Arguments port RIO master port destid Destination ID of device hopcount Hopcount to device did Device ID value to be written Description Writes the base/extended device id from a device. Author Matt Porter <mporter…
rio_send_doorbell – Send a doorbell message to a device Synopsis int rio_send_doorbell(struct rio_dev *rdev, u16 data); Arguments rdev RIO device data Doorbell message data Description Send a doorbell message to a RIO device. The doorbell message has a 16-bit info field provided by the data argument. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com>…
rio_route_get_entry – Read an entry from a switch routing table Synopsis int rio_route_get_entry(struct rio_dev *rdev, u16 table, u16 route_destid, u8 *route_port, int lock); Arguments rdev RIO device table Routing table ID route_destid Destination ID to be routed route_port Pointer to read port number into lock apply a hardware lock on switch device flag (1=lock, 0=no_lock)…
rio_route_clr_table – Clear a switch routing table Synopsis int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock); Arguments rdev RIO device table Routing table ID lock apply a hardware lock on switch device flag (1=lock, 0=no_lock) Description If available calls the switch specific clr_table method to clear a switch routing table. Otherwise uses standard RT write…
rio_route_add_entry – Add a route entry to a switch routing table Synopsis int rio_route_add_entry(struct rio_dev *rdev, u16 table, u16 route_destid, u8 route_port, int lock); Arguments rdev RIO device table Routing table ID route_destid Destination ID to be routed route_port Port number to be routed lock apply a hardware lock on switch device flag (1=lock, 0=no_lock)…
rio_request_outb_mbox – request outbound mailbox service Synopsis int rio_request_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries, void (*moutb)(struct rio_mport *mport, void *dev_id, int mbox, int slot)); Arguments mport RIO master port from which to allocate the mailbox resource dev_id Device specific pointer to pass on event mbox Mailbox number to claim entries Number of…
rio_request_outb_dbell – request outbound doorbell message range Synopsis struct resource *rio_request_outb_dbell(struct rio_dev *rdev, u16 start, u16 end); Arguments rdev RIO device from which to allocate the doorbell resource start Doorbell message range start end Doorbell message range end Description Requests ownership of a doorbell message range. Returns a resource if the request has been satisfied…
rio_request_mport_dma – request RapidIO capable DMA channel associated with specified local RapidIO mport device. Synopsis struct dma_chan *rio_request_mport_dma(struct rio_mport *mport); Arguments mport RIO mport to perform DMA data transfers Description Returns pointer to allocated DMA channel or NULL if failed. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
rio_request_inb_pwrite – request inbound port-write message service for specific RapidIO device Synopsis int rio_request_inb_pwrite(struct rio_dev *rdev, int (*pwcback)(struct rio_dev *rdev, union rio_pw_msg *msg, int step)); Arguments rdev RIO device to which register inbound port-write callback routine pwcback Callback routine to execute when port-write is received Description Binds a port-write callback function to the RapidIO device….
rio_request_inb_mbox – request inbound mailbox service Synopsis int rio_request_inb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries, void (*minb)(struct rio_mport *mport, void *dev_id, int mbox, int slot)); Arguments mport RIO master port from which to allocate the mailbox resource dev_id Device specific pointer to pass on event mbox Mailbox number to claim entries Number of…
rio_request_inb_dbell – request inbound doorbell message service Synopsis int rio_request_inb_dbell(struct rio_mport *mport, void *dev_id, u16 start, u16 end, void (*dinb)(struct rio_mport *mport, void *dev_id, u16 src, u16 dst, u16 info)); Arguments mport RIO master port from which to allocate the doorbell resource dev_id Device specific pointer to pass on event start Doorbell info range start…