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ahci: EM supported message type sysfs attribute

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This patch adds an sysfs attribute 'em_message_supported' to the
ahci host device which prints out the supported enclosure management
message types.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Hannes Reinecke
2011-03-04 09:54:52 +01:00
committed by Jeff Garzik
parent 686c4cbb10
commit 6e5fe5b12c
2 changed files with 26 additions and 0 deletions
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4
drivers/ata/ahci.h
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@@ -229,6 +229,10 @@ enum {
EM_CTL_ALHD = (1 << 26), /* Activity LED */
EM_CTL_XMT = (1 << 25), /* Transmit Only */
EM_CTL_SMB = (1 << 24), /* Single Message Buffer */
EM_CTL_SGPIO = (1 << 19), /* SGPIO messages supported */
EM_CTL_SES = (1 << 18), /* SES-2 messages supported */
EM_CTL_SAFTE = (1 << 17), /* SAF-TE messages supported */
EM_CTL_LED = (1 << 16), /* LED messages supported */
/* em message type */
EM_MSG_TYPE_LED = (1 << 0), /* LED */