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[SCSI] mpt fusion: Firmware event implementation using seperate WorkQueue

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Now Firmware events are handled by firmware event queue.
Previously it was handled in interrupt context/WorkQueue of Linux.
Firmware Event handling is restructured and optimized.

Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Kashyap, Desai
2009-05-29 16:47:26 +05:30
committed by James Bottomley
parent ea2a788de4
commit 3eb0822c67
4 changed files with 992 additions and 454 deletions
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33
drivers/message/fusion/mptsas.h
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@@ -61,12 +61,30 @@ enum mptsas_hotplug_action {
MPTSAS_DEL_DEVICE,
MPTSAS_ADD_RAID,
MPTSAS_DEL_RAID,
MPTSAS_ADD_PHYSDISK,
MPTSAS_ADD_PHYSDISK_REPROBE,
MPTSAS_DEL_PHYSDISK,
MPTSAS_DEL_PHYSDISK_REPROBE,
MPTSAS_ADD_INACTIVE_VOLUME,
MPTSAS_IGNORE_EVENT,
};
struct mptsas_mapping{
u8 id;
u8 channel;
};
struct mptsas_device_info {
struct list_head list;
struct mptsas_mapping os; /* operating system mapping*/
struct mptsas_mapping fw; /* firmware mapping */
u64 sas_address;
u32 device_info; /* specific bits for devices */
u16 slot; /* enclosure slot id */
u64 enclosure_logical_id; /*enclosure address */
};
struct mptsas_hotplug_event {
struct work_struct work;
MPT_ADAPTER *ioc;
enum mptsas_hotplug_action event_type;
u64 sas_address;
@@ -74,11 +92,18 @@ struct mptsas_hotplug_event {
u8 id;
u32 device_info;
u16 handle;
u16 parent_handle;
u8 phy_id;
u8 phys_disk_num_valid; /* hrc (hidden raid component) */
u8 phys_disk_num; /* hrc - unique index*/
u8 hidden_raid_component; /* hrc - don't expose*/
struct scsi_device *sdev;
};
struct fw_event_work {
struct list_head list;
struct delayed_work work;
MPT_ADAPTER *ioc;
u32 event;
u8 retries;
u8 event_data[1];
};
struct mptsas_discovery_event {