[PATCH 01/14] libata-hp-prep: add flags and eh_info/context fields for hotplug

[Tejun Heo <htejun@gmail.com>]

Add hotplug related flags and eh_info/context fields.

---

 include/linux/libata.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

d60dd05d2cfd4a63b7ce869694c3060d2aeab9d8
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 97e25a6..1f6e48e 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -130,6 +130,9 @@ enum {
 
 	ATA_DFLAG_PIO		= (1 << 8), /* device currently in PIO mode */
 
+	ATA_DFLAG_DETACH	= (1 << 16),
+	ATA_DFLAG_DETACHED	= (1 << 17),
+
 	ATA_DEV_UNKNOWN		= 0,	/* unknown device */
 	ATA_DEV_ATA		= 1,	/* ATA device */
 	ATA_DEV_ATA_UNSUP	= 2,	/* ATA device (unsupported) */
@@ -161,6 +164,9 @@ enum {
 	ATA_FLAG_EH_PENDING	= (1 << 16), /* EH pending */
 	ATA_FLAG_FROZEN		= (1 << 17), /* port is frozen */
 	ATA_FLAG_RECOVERED	= (1 << 18), /* recovery action performed */
+	ATA_FLAG_LOADING	= (1 << 19), /* boot/loading probe */
+	ATA_FLAG_UNLOADING	= (1 << 20), /* module is unloading */
+	ATA_FLAG_SCSI_HOTPLUG	= (1 << 21), /* SCSI hotplug scheduled */
 
 	ATA_FLAG_DISABLED	= (1 << 22), /* port is disabled, ignore it */
 	ATA_FLAG_SUSPENDED	= (1 << 23), /* port is suspended (power) */
@@ -435,6 +441,7 @@ struct ata_eh_info {
 	u32			serror;		/* SError from LLDD */
 	unsigned int		err_mask;	/* port-wide err_mask */
 	unsigned int		action;		/* ATA_EH_* action mask */
+	unsigned int		probe_mask;
 	char			desc[ATA_EH_DESC_LEN];
 	int			desc_len;
 };
@@ -442,7 +449,9 @@ struct ata_eh_info {
 struct ata_eh_context {
 	struct ata_eh_info	i;
 	int			tries[ATA_MAX_DEVICES];
+	unsigned int		classes[ATA_MAX_DEVICES];
 	unsigned int		flags;		/* ATA_EHC_* */
+	unsigned int		did_probe_mask;
 };
 
 struct ata_port {
-- 
1.2.4