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rpmsg: Add short description of the IOCTL defined in UAPI.

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Add a description of the IOCTLs and provide information on the default
value of the source and destination addresses.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20210311140413.31725-4-arnaud.pouliquen@foss.st.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Arnaud Pouliquen 2021-03-11 15:04:10 +01:00 committed by Bjorn Andersson
parent 3093c3c7c1
commit 809328b40c
1 changed files with 9 additions and 2 deletions
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11
include/uapi/linux/rpmsg.h
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@ -14,8 +14,8 @@
/**
* struct rpmsg_endpoint_info - endpoint info representation
* @name: name of service
* @src: local address
* @dst: destination address
* @src: local address. To set to RPMSG_ADDR_ANY if not used.
* @dst: destination address. To set to RPMSG_ADDR_ANY if not used.
*/
struct rpmsg_endpoint_info {
char name[32];
@ -23,7 +23,14 @@ struct rpmsg_endpoint_info {
__u32 dst;
};
/**
* Instantiate a new rmpsg char device endpoint.
*/
#define RPMSG_CREATE_EPT_IOCTL _IOW(0xb5, 0x1, struct rpmsg_endpoint_info)
/**
* Destroy a rpmsg char device endpoint created by the RPMSG_CREATE_EPT_IOCTL.
*/
#define RPMSG_DESTROY_EPT_IOCTL _IO(0xb5, 0x2)
#endif