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SATA_SCR_READ(9) | libata Library | SATA_SCR_READ(9) |
NAME¶
sata_scr_read - read SCR register of the specified portSYNOPSIS¶
int
sata_scr_read(struct ata_link * link,
int reg,
u32 * val);
ARGUMENTS¶
linkATA 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 GarzikAuthor.
COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |