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NTB: Rename NTB messaging API methods

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There is a common methods signature form used over all the NTB API
like functions naming scheme, arguments names and order, etc.
Recently added NTB messaging API IO callbacks were named a bit
different so should be renamed to be in compliance with the rest
of the API.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Serge Semin 2017-12-06 17:31:52 +03:00 • committed by Jon Mason
parent c6fad21a8d
commit b87ab21935
2 changed files with 28 additions and 33 deletions
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34
include/linux/ntb.h
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@ -253,7 +253,7 @@ static inline int ntb_ctx_ops_is_valid(const struct ntb_ctx_ops *ops)
* @msg_set_mask: See ntb_msg_set_mask().
* @msg_clear_mask: See ntb_msg_clear_mask().
* @msg_read: See ntb_msg_read().
* @msg_write: See ntb_msg_write().
* @peer_msg_write: See ntb_peer_msg_write().
*/
struct ntb_dev_ops {
int (*port_number)(struct ntb_dev *ntb);
@ -324,8 +324,8 @@ struct ntb_dev_ops {
int (*msg_clear_sts)(struct ntb_dev *ntb, u64 sts_bits);
int (*msg_set_mask)(struct ntb_dev *ntb, u64 mask_bits);
int (*msg_clear_mask)(struct ntb_dev *ntb, u64 mask_bits);
int (*msg_read)(struct ntb_dev *ntb, int midx, int *pidx, u32 *msg);
int (*msg_write)(struct ntb_dev *ntb, int midx, int pidx, u32 msg);
u32 (*msg_read)(struct ntb_dev *ntb, int *pidx, int midx);
int (*peer_msg_write)(struct ntb_dev *ntb, int pidx, int midx, u32 msg);
};
static inline int ntb_dev_ops_is_valid(const struct ntb_dev_ops *ops)
@ -387,7 +387,7 @@ static inline int ntb_dev_ops_is_valid(const struct ntb_dev_ops *ops)
/* !ops->msg_set_mask == !ops->msg_count && */
/* !ops->msg_clear_mask == !ops->msg_count && */
!ops->msg_read == !ops->msg_count &&
!ops->msg_write == !ops->msg_count &&
!ops->peer_msg_write == !ops->msg_count &&
1;
}
@ -1462,31 +1462,29 @@ static inline int ntb_msg_clear_mask(struct ntb_dev *ntb, u64 mask_bits)
}
/**
* ntb_msg_read() - read message register with specified index
* ntb_msg_read() - read inbound message register with specified index
* @ntb: NTB device context.
* @midx: Message register index
* @pidx: OUT - Port index of peer device a message retrieved from
* @msg: OUT - Data
* @midx: Message register index
*
* Read data from the specified message register. Source port index of a
* message is retrieved as well.
*
* Return: Zero on success, otherwise a negative error number.
* Return: The value of the inbound message register.
*/
static inline int ntb_msg_read(struct ntb_dev *ntb, int midx, int *pidx,
u32 *msg)
static inline u32 ntb_msg_read(struct ntb_dev *ntb, int *pidx, int midx)
{
if (!ntb->ops->msg_read)
return -EINVAL;
return ~(u32)0;
return ntb->ops->msg_read(ntb, midx, pidx, msg);
return ntb->ops->msg_read(ntb, pidx, midx);
}
/**
* ntb_msg_write() - write data to the specified message register
* ntb_peer_msg_write() - write data to the specified peer message register
* @ntb: NTB device context.
* @midx: Message register index
* @pidx: Port index of peer device a message being sent to
* @midx: Message register index
* @msg: Data to send
*
* Send data to a specified peer device using the defined message register.
@ -1495,13 +1493,13 @@ static inline int ntb_msg_read(struct ntb_dev *ntb, int midx, int *pidx,
*
* Return: Zero on success, otherwise a negative error number.
*/
static inline int ntb_msg_write(struct ntb_dev *ntb, int midx, int pidx,
u32 msg)
static inline int ntb_peer_msg_write(struct ntb_dev *ntb, int pidx, int midx,
u32 msg)
{
if (!ntb->ops->msg_write)
if (!ntb->ops->peer_msg_write)
return -EINVAL;
return ntb->ops->msg_write(ntb, midx, pidx, msg);
return ntb->ops->peer_msg_write(ntb, pidx, midx, msg);
}
#endif