ahci: EM message type auto detect
Detect enclosure management message type automatically at driver
initialization, instead of using module parameter "ahci_em_messages".
Signed-off-by: Harry Zhang <harry.zhang@amd.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 733def2..5edce44 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -227,6 +227,12 @@
EM_CTL_RST = (1 << 9), /* Reset */
EM_CTL_TM = (1 << 8), /* Transmit Message */
EM_CTL_ALHD = (1 << 26), /* Activity LED */
+
+ /* em message type */
+ EM_MSG_TYPE_LED = (1 << 0), /* LED */
+ EM_MSG_TYPE_SAFTE = (1 << 1), /* SAF-TE */
+ EM_MSG_TYPE_SES2 = (1 << 2), /* SES-2 */
+ EM_MSG_TYPE_SGPIO = (1 << 3), /* SGPIO */
};
struct ahci_cmd_hdr {
@@ -282,9 +288,9 @@
u32 saved_cap2; /* saved initial cap2 */
u32 saved_port_map; /* saved initial port_map */
u32 em_loc; /* enclosure management location */
+ u32 em_msg_type; /* EM message type */
};
-extern int ahci_em_messages;
extern int ahci_ignore_sss;
extern struct scsi_host_template ahci_sht;