drivers/rapidio/rio-access.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * RapidIO configuration space access support
15  *  Wrappers for all RIO configuration access functions.  They just check
16  *  alignment and call the low-level functions pointed to by rio_mport->ops.
24  * RIO_LOP_READ - Generate rio_local_read_config_* functions
25  * @size: Size of configuration space read (8, 16, 32 bits)
27  * @len: Length of configuration space read (1, 2, 4 bytes)
30  * configuration space registers on the local device.
39 	res = mport->ops->lcread(mport, mport->id, offset, len, &data);	\
45  * RIO_LOP_WRITE - Generate rio_local_write_config_* functions
46  * @size: Size of configuration space write (8, 16, 32 bits)
48  * @len: Length of configuration space write (1, 2, 4 bytes)
51  * configuration space registers on the local device.
58 	return mport->ops->lcwrite(mport, mport->id, offset, len, value);\
76  * RIO_OP_READ - Generate rio_mport_read_config_* functions
77  * @size: Size of configuration space read (8, 16, 32 bits)
79  * @len: Length of configuration space read (1, 2, 4 bytes)
82  * configuration space registers on the local device.
91 	res = mport->ops->cread(mport, mport->id, destid, hopcount, offset, len, &data); \
97  * RIO_OP_WRITE - Generate rio_mport_write_config_* functions
98  * @size: Size of configuration space write (8, 16, 32 bits)
100  * @len: Length of configuration space write (1, 2, 4 bytes)
103  * configuration space registers on the local device.
110 	return mport->ops->cwrite(mport, mport->id, destid, hopcount,	\
129  * rio_mport_send_doorbell - Send a doorbell message
136  * has a 16-bit info field provided by the data argument.
140 	return mport->ops->dsend(mport, mport->id, destid, data);  in rio_mport_send_doorbell()