sata_scr_read (9) Linux Manual Page
sata_scr_read – read SCR register of the specified port
Synopsis
int sata_scr_read(struct ata_link *link, int reg, u32 *val);Arguments
link
-
- ATA link to read SCR for
reg
- SCR to read
val
- Place to store read value
Description
Read SCR register reg of link into *val. This function is guaranteed to succeed if link is ap->link, the cable type of the port is SATA and the port implements ->scr_read.
LOCKING: None if link is ap->link. Kernel thread context otherwise.
Return
0 on success, negative errno on failure.
Author
Jeff Garzik
- Author.