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STRUCT RIO_MPORT(9) Internals STRUCT RIO_MPORT(9)

NAME

struct_rio_mport - RIO master port info

SYNOPSIS

struct rio_mport {
  struct list_head dbells;
  struct list_head pwrites;
  struct list_head node;
  struct list_head nnode;
  struct rio_net * net;
  struct mutex lock;
  struct resource iores;
  struct resource riores[RIO_MAX_MPORT_RESOURCES];
  struct rio_msg inb_msg[RIO_MAX_MBOX];
  struct rio_msg outb_msg[RIO_MAX_MBOX];
  int host_deviceid;
  struct rio_ops * ops;
  unsigned char id;
  unsigned char index;
  unsigned int sys_size;
  u32 phys_efptr;
  u32 phys_rmap;
  unsigned char name[RIO_MAX_MPORT_NAME];
  struct device dev;
  void * priv;
#ifdef CONFIG_RAPIDIO_DMA_ENGINE
  struct dma_device dma;
#endif
  struct rio_scan * nscan;
  atomic_t state;
  unsigned int pwe_refcnt;
};

MEMBERS

dbells
List of doorbell events
pwrites
List of portwrite events
node
Node in global list of master ports
nnode
Node in network list of master ports
net
RIO net this mport is attached to
lock
lock to synchronize lists manipulations
iores
I/O mem resource that this master port interface owns
riores[RIO_MAX_MPORT_RESOURCES]
RIO resources that this master port interfaces owns
inb_msg[RIO_MAX_MBOX]
RIO inbound message event descriptors
outb_msg[RIO_MAX_MBOX]
RIO outbound message event descriptors
host_deviceid
Host device ID associated with this master port
ops
configuration space functions
id
Port ID, unique among all ports
index
Port index, unique among all port interfaces of the same type
sys_size
RapidIO common transport system size
phys_efptr
RIO port extended features pointer
phys_rmap
LP-Serial EFB Register Mapping type (1 or 2).
name[RIO_MAX_MPORT_NAME]
Port name string
dev
device structure associated with an mport
priv
Master port private data
dma
DMA device associated with mport
nscan
RapidIO network enumeration/discovery operations
state
mport device state
pwe_refcnt
port-write enable ref counter to track enable/disable requests

AUTHOR

Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
Author.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.