1SATA_SCR_READ(9)                libata Library                SATA_SCR_READ(9)
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NAME

6       sata_scr_read - read SCR register of the specified port
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SYNOPSIS

9       int sata_scr_read(struct ata_link * link, int reg, u32 * val);
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ARGUMENTS

12       link
13           ATA link to read SCR for
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15       reg
16           SCR to read
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18       val
19           Place to store read value
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DESCRIPTION

22       Read SCR register reg of link into *val. This function is guaranteed to
23       succeed if link is ap->link, the cable type of the port is SATA and the
24       port implements ->scr_read.
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LOCKING

27       None if link is ap->link. Kernel thread context otherwise.
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RETURNS

30       0 on success, negative errno on failure.
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AUTHOR

33       Jeff Garzik
34           Author.
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37Kernel Hackers Manual 2.6.       November 2011                SATA_SCR_READ(9)
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