This patch allows for a wide port to wide port cascading expander
configuration
ie:
/sys/class/scsi_host/host0 # ~/tree-1.5.0/tree device
device
|-- phy-0:0
| |-- port
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:0 -> ../../../../../class/sas_phy/phy-0:0
| `-- uevent
|-- phy-0:1
| |-- port
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:1 -> ../../../../../class/sas_phy/phy-0:1
| `-- uevent
|-- phy-0:2
| |-- port
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:2 -> ../../../../../class/sas_phy/phy-0:2
| `-- uevent
|-- phy-0:3
| |-- port
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:3 -> ../../../../../class/sas_phy/phy-0:3
| `-- uevent
|-- phy-0:4
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:4 -> ../../../../../class/sas_phy/phy-0:4
| `-- uevent
|-- phy-0:5
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:5 -> ../../../../../class/sas_phy/phy-0:5
| `-- uevent
|-- phy-0:6
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:6 -> ../../../../../class/sas_phy/phy-0:6
| `-- uevent
|-- phy-0:7
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_phy:phy-0:7 -> ../../../../../class/sas_phy/phy-0:7
| `-- uevent
|-- port-0:0
| |-- expander-0:0
| | |-- phy-0:0:0
| | | |-- port
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:0
-> ../../../../../../../class/sas_phy/phy-0:0:0
| | | `-- uevent
| | |-- phy-0:0:1
| | | |-- port
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:1
-> ../../../../../../../class/sas_phy/phy-0:0:1
| | | `-- uevent
| | |-- phy-0:0:10
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:10
-> ../../../../../../../class/sas_phy/phy-0:0:10
| | | `-- uevent
| | |-- phy-0:0:11
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:11
-> ../../../../../../../class/sas_phy/phy-0:0:11
| | | `-- uevent
| | |-- phy-0:0:12
| | | |-- port
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:12
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:12
-> ../../../../../../../class/sas_phy/phy-0:0:12
| | | `-- uevent
| | |-- phy-0:0:2
| | | |-- port
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:2
-> ../../../../../../../class/sas_phy/phy-0:0:2
| | | `-- uevent
| | |-- phy-0:0:3
| | | |-- port
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:3
-> ../../../../../../../class/sas_phy/phy-0:0:3
| | | `-- uevent
| | |-- phy-0:0:4
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:4
-> ../../../../../../../class/sas_phy/phy-0:0:4
| | | `-- uevent
| | |-- phy-0:0:5
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:5
-> ../../../../../../../class/sas_phy/phy-0:0:5
| | | `-- uevent
| | |-- phy-0:0:6
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:6
-> ../../../../../../../class/sas_phy/phy-0:0:6
| | | `-- uevent
| | |-- phy-0:0:7
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:7
-> ../../../../../../../class/sas_phy/phy-0:0:7
| | | `-- uevent
| | |-- phy-0:0:8
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:8
-> ../../../../../../../class/sas_phy/phy-0:0:8
| | | `-- uevent
| | |-- phy-0:0:9
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_phy:phy-0:0:9
-> ../../../../../../../class/sas_phy/phy-0:0:9
| | | `-- uevent
| | |-- port-0:0:0
| | | |-- expander-0:1
| | | | |-- phy-0:1:0
| | | | | |-- port
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/port-0:1:0
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:0
-> ../../../../../../../../../class/sas_phy/phy-0:1:0
| | | | | `-- uevent
| | | | |-- phy-0:1:1
| | | | | |-- port
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/port-0:1:1
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:1
-> ../../../../../../../../../class/sas_phy/phy-0:1:1
| | | | | `-- uevent
| | | | |-- phy-0:1:10
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:10
-> ../../../../../../../../../class/sas_phy/phy-0:1:10
| | | | | `-- uevent
| | | | |-- phy-0:1:11
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:11
-> ../../../../../../../../../class/sas_phy/phy-0:1:11
| | | | | `-- uevent
| | | | |-- phy-0:1:12
| | | | | |-- port
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/port-0:1:12
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:12
-> ../../../../../../../../../class/sas_phy/phy-0:1:12
| | | | | `-- uevent
| | | | |-- phy-0:1:2
| | | | | |-- port
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/port-0:1:2
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:2
-> ../../../../../../../../../class/sas_phy/phy-0:1:2
| | | | | `-- uevent
| | | | |-- phy-0:1:3
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:3
-> ../../../../../../../../../class/sas_phy/phy-0:1:3
| | | | | `-- uevent
| | | | |-- phy-0:1:4
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:4
-> ../../../../../../../../../class/sas_phy/phy-0:1:4
| | | | | `-- uevent
| | | | |-- phy-0:1:5
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:5
-> ../../../../../../../../../class/sas_phy/phy-0:1:5
| | | | | `-- uevent
| | | | |-- phy-0:1:6
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:6
-> ../../../../../../../../../class/sas_phy/phy-0:1:6
| | | | | `-- uevent
| | | | |-- phy-0:1:7
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:7
-> ../../../../../../../../../class/sas_phy/phy-0:1:7
| | | | | `-- uevent
| | | | |-- phy-0:1:8
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:8
-> ../../../../../../../../../class/sas_phy/phy-0:1:8
| | | | | `-- uevent
| | | | |-- phy-0:1:9
| | | | | |-- port
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/port-0:1:9
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_phy:phy-0:1:9
-> ../../../../../../../../../class/sas_phy/phy-0:1:9
| | | | | `-- uevent
| | | | |-- port-0:1:0
| | | | | |-- end_device-0:1:0
| | | | | | |-- power
| | | | | | | |-- state
| | | | | | | `-- wakeup
| | | | | | |-- sas_device:end_device-0:1:0
-> ../../../../../../../../../../class/sas_device/end_device-0:1:0
| | | | | | |-- sas_end_device:end_device-0:1:0
-> ../../../../../../../../../../class/sas_end_device/end_device-0:1:0
| | | | | | |-- target0:0:1
| | | | | | | |-- 0:0:1:0
| | | | | | | | |-- block:sda
-> ../../../../../../../../../../../../block/sda
| | | | | | | | |-- bus
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- delete
| | | | | | | | |-- device_blocked
| | | | | | | | |-- driver
-> ../../../../../../../../../../../../bus/scsi/drivers/sd
| | | | | | | | |-- iocounterbits
| | | | | | | | |-- iodone_cnt
| | | | | | | | |-- ioerr_cnt
| | | | | | | | |-- iorequest_cnt
| | | | | | | | |-- model
| | | | | | | | |-- power
| | | | | | | | | |-- state
| | | | | | | | | `-- wakeup
| | | | | | | | |-- queue_depth
| | | | | | | | |-- queue_type
| | | | | | | | |-- rescan
| | | | | | | | |-- rev
| | | | | | | | |-- scsi_device:0:0:1:0
-> ../../../../../../../../../../../../class/scsi_device/0:0:1:0
| | | | | | | | |-- scsi_disk:0:0:1:0
-> ../../../../../../../../../../../../class/scsi_disk/0:0:1:0
| | | | | | | | |-- scsi_level
| | | | | | | | |-- state
| | | | | | | | |-- subsystem
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- timeout
| | | | | | | | |-- type
| | | | | | | | |-- uevent
| | | | | | | | `-- vendor
| | | | | | | |-- power
| | | | | | | | |-- state
| | | | | | | | `-- wakeup
| | | | | | | `-- uevent
| | | | | | `-- uevent
| | | | | |-- phy-0:1:0
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/phy-0:1:0| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_port:port-0:1:0
-> ../../../../../../../../../class/sas_port/port-0:1:0
| | | | | `-- uevent
| | | | |-- port-0:1:1
| | | | | |-- end_device-0:1:1
| | | | | | |-- power
| | | | | | | |-- state
| | | | | | | `-- wakeup
| | | | | | |-- sas_device:end_device-0:1:1
-> ../../../../../../../../../../class/sas_device/end_device-0:1:1
| | | | | | |-- sas_end_device:end_device-0:1:1
-> ../../../../../../../../../../class/sas_end_device/end_device-0:1:1
| | | | | | |-- target0:1:2
| | | | | | | |-- 0:1:2:0
| | | | | | | | |-- block:sdb
-> ../../../../../../../../../../../../block/sdb
| | | | | | | | |-- bus
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- delete
| | | | | | | | |-- device_blocked
| | | | | | | | |-- driver
-> ../../../../../../../../../../../../bus/scsi/drivers/sd
| | | | | | | | |-- iocounterbits
| | | | | | | | |-- iodone_cnt
| | | | | | | | |-- ioerr_cnt
| | | | | | | | |-- iorequest_cnt
| | | | | | | | |-- model
| | | | | | | | |-- power
| | | | | | | | | |-- state
| | | | | | | | | `-- wakeup
| | | | | | | | |-- queue_depth
| | | | | | | | |-- queue_type
| | | | | | | | |-- rescan
| | | | | | | | |-- rev
| | | | | | | | |-- scsi_device:0:1:2:0
-> ../../../../../../../../../../../../class/scsi_device/0:1:2:0
| | | | | | | | |-- scsi_disk:0:1:2:0
-> ../../../../../../../../../../../../class/scsi_disk/0:1:2:0
| | | | | | | | |-- scsi_level
| | | | | | | | |-- state
| | | | | | | | |-- subsystem
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- timeout
| | | | | | | | |-- type
| | | | | | | | |-- uevent
| | | | | | | | `-- vendor
| | | | | | | |-- power
| | | | | | | | |-- state
| | | | | | | | `-- wakeup
| | | | | | | `-- uevent
| | | | | | `-- uevent
| | | | | |-- phy-0:1:1
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/phy-0:1:1| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_port:port-0:1:1
-> ../../../../../../../../../class/sas_port/port-0:1:1
| | | | | `-- uevent
| | | | |-- port-0:1:12
| | | | | |-- end_device-0:1:12
| | | | | | |-- power
| | | | | | | |-- state
| | | | | | | `-- wakeup
| | | | | | |-- sas_device:end_device-0:1:12
-> ../../../../../../../../../../class/sas_device/end_device-0:1:12
| | | | | | |-- sas_end_device:end_device-0:1:12
-> ../../../../../../../../../../class/sas_end_device/end_device-0:1:12
| | | | | | |-- target0:12:5
| | | | | | | |-- 0:12:5:0
| | | | | | | | |-- bus
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- delete
| | | | | | | | |-- device_blocked
| | | | | | | | |-- iocounterbits
| | | | | | | | |-- iodone_cnt
| | | | | | | | |-- ioerr_cnt
| | | | | | | | |-- iorequest_cnt
| | | | | | | | |-- model
| | | | | | | | |-- power
| | | | | | | | | |-- state
| | | | | | | | | `-- wakeup
| | | | | | | | |-- queue_depth
| | | | | | | | |-- queue_type
| | | | | | | | |-- rescan
| | | | | | | | |-- rev
| | | | | | | | |-- scsi_device:0:12:5:0
-> ../../../../../../../../../../../../class/scsi_device/0:12:5:0
| | | | | | | | |-- scsi_level
| | | | | | | | |-- state
| | | | | | | | |-- subsystem
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- timeout
| | | | | | | | |-- type
| | | | | | | | |-- uevent
| | | | | | | | `-- vendor
| | | | | | | |-- power
| | | | | | | | |-- state
| | | | | | | | `-- wakeup
| | | | | | | `-- uevent
| | | | | | `-- uevent
| | | | | |-- phy-0:1:12
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/phy-0:1:12
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_port:port-0:1:12
-> ../../../../../../../../../class/sas_port/port-0:1:12
| | | | | `-- uevent
| | | | |-- port-0:1:2
| | | | | |-- end_device-0:1:2
| | | | | | |-- power
| | | | | | | |-- state
| | | | | | | `-- wakeup
| | | | | | |-- sas_device:end_device-0:1:2
-> ../../../../../../../../../../class/sas_device/end_device-0:1:2
| | | | | | |-- sas_end_device:end_device-0:1:2
-> ../../../../../../../../../../class/sas_end_device/end_device-0:1:2
| | | | | | |-- target0:2:3
| | | | | | | |-- 0:2:3:0
| | | | | | | | |-- block:sdc
-> ../../../../../../../../../../../../block/sdc
| | | | | | | | |-- bus
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- delete
| | | | | | | | |-- device_blocked
| | | | | | | | |-- driver
-> ../../../../../../../../../../../../bus/scsi/drivers/sd
| | | | | | | | |-- iocounterbits
| | | | | | | | |-- iodone_cnt
| | | | | | | | |-- ioerr_cnt
| | | | | | | | |-- iorequest_cnt
| | | | | | | | |-- model
| | | | | | | | |-- power
| | | | | | | | | |-- state
| | | | | | | | | `-- wakeup
| | | | | | | | |-- queue_depth
| | | | | | | | |-- queue_type
| | | | | | | | |-- rescan
| | | | | | | | |-- rev
| | | | | | | | |-- scsi_device:0:2:3:0
-> ../../../../../../../../../../../../class/scsi_device/0:2:3:0
| | | | | | | | |-- scsi_disk:0:2:3:0
-> ../../../../../../../../../../../../class/scsi_disk/0:2:3:0
| | | | | | | | |-- scsi_level
| | | | | | | | |-- state
| | | | | | | | |-- subsystem
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- timeout
| | | | | | | | |-- type
| | | | | | | | |-- uevent
| | | | | | | | `-- vendor
| | | | | | | |-- power
| | | | | | | | |-- state
| | | | | | | | `-- wakeup
| | | | | | | `-- uevent
| | | | | | `-- uevent
| | | | | |-- phy-0:1:2
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/phy-0:1:2| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_port:port-0:1:2
-> ../../../../../../../../../class/sas_port/port-0:1:2
| | | | | `-- uevent
| | | | |-- port-0:1:9
| | | | | |-- end_device-0:1:9
| | | | | | |-- power
| | | | | | | |-- state
| | | | | | | `-- wakeup
| | | | | | |-- sas_device:end_device-0:1:9
-> ../../../../../../../../../../class/sas_device/end_device-0:1:9
| | | | | | |-- sas_end_device:end_device-0:1:9
-> ../../../../../../../../../../class/sas_end_device/end_device-0:1:9
| | | | | | |-- target0:9:4
| | | | | | | |-- 0:9:4:0
| | | | | | | | |-- block:sdd
-> ../../../../../../../../../../../../block/sdd
| | | | | | | | |-- bus
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- delete
| | | | | | | | |-- device_blocked
| | | | | | | | |-- driver
-> ../../../../../../../../../../../../bus/scsi/drivers/sd
| | | | | | | | |-- iocounterbits
| | | | | | | | |-- iodone_cnt
| | | | | | | | |-- ioerr_cnt
| | | | | | | | |-- iorequest_cnt
| | | | | | | | |-- model
| | | | | | | | |-- power
| | | | | | | | | |-- state
| | | | | | | | | `-- wakeup
| | | | | | | | |-- queue_depth
| | | | | | | | |-- queue_type
| | | | | | | | |-- rescan
| | | | | | | | |-- rev
| | | | | | | | |-- scsi_device:0:9:4:0
-> ../../../../../../../../../../../../class/scsi_device/0:9:4:0
| | | | | | | | |-- scsi_disk:0:9:4:0
-> ../../../../../../../../../../../../class/scsi_disk/0:9:4:0
| | | | | | | | |-- scsi_level
| | | | | | | | |-- state
| | | | | | | | |-- subsystem
-> ../../../../../../../../../../../../bus/scsi
| | | | | | | | |-- timeout
| | | | | | | | |-- type
| | | | | | | | |-- uevent
| | | | | | | | `-- vendor
| | | | | | | |-- power
| | | | | | | | |-- state
| | | | | | | | `-- wakeup
| | | | | | | `-- uevent
| | | | | | `-- uevent
| | | | | |-- phy-0:1:9
-> ../../../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/port-0:0:0/expander-0:1/phy-0:1:9| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | |-- sas_port:port-0:1:9
-> ../../../../../../../../../class/sas_port/port-0:1:9
| | | | | `-- uevent
| | | | |-- power
| | | | | |-- state
| | | | | `-- wakeup
| | | | |-- sas_device:expander-0:1
-> ../../../../../../../../class/sas_device/expander-0:1
| | | | |-- sas_expander:expander-0:1
-> ../../../../../../../../class/sas_expander/expander-0:1
| | | | `-- uevent
| | | |-- phy-0:0:0
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/phy-0:0:0
| | | |-- phy-0:0:1
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/phy-0:0:1
| | | |-- phy-0:0:2
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/phy-0:0:2
| | | |-- phy-0:0:3
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/phy-0:0:3
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_port:port-0:0:0
-> ../../../../../../../class/sas_port/port-0:0:0
| | | `-- uevent
| | |-- port-0:0:12
| | | |-- end_device-0:0:12
| | | | |-- power
| | | | | |-- state
| | | | | `-- wakeup
| | | | |-- sas_device:end_device-0:0:12
-> ../../../../../../../../class/sas_device/end_device-0:0:12
| | | | |-- sas_end_device:end_device-0:0:12
-> ../../../../../../../../class/sas_end_device/end_device-0:0:12
| | | | |-- target0:12:0
| | | | | |-- 0:12:0:0
| | | | | | |-- bus
-> ../../../../../../../../../../bus/scsi
| | | | | | |-- delete
| | | | | | |-- device_blocked
| | | | | | |-- iocounterbits
| | | | | | |-- iodone_cnt
| | | | | | |-- ioerr_cnt
| | | | | | |-- iorequest_cnt
| | | | | | |-- model
| | | | | | |-- power
| | | | | | | |-- state
| | | | | | | `-- wakeup
| | | | | | |-- queue_depth
| | | | | | |-- queue_type
| | | | | | |-- rescan
| | | | | | |-- rev
| | | | | | |-- scsi_device:0:12:0:0
-> ../../../../../../../../../../class/scsi_device/0:12:0:0
| | | | | | |-- scsi_level
| | | | | | |-- state
| | | | | | |-- subsystem
-> ../../../../../../../../../../bus/scsi
| | | | | | |-- timeout
| | | | | | |-- type
| | | | | | |-- uevent
| | | | | | `-- vendor
| | | | | |-- power
| | | | | | |-- state
| | | | | | `-- wakeup
| | | | | `-- uevent
| | | | `-- uevent
| | | |-- phy-0:0:12
-> ../../../../../../../devices/pci0000:01/0000:01:02.0/host0/port-0:0/expander-0:0/phy-0:0:12
| | | |-- power
| | | | |-- state
| | | | `-- wakeup
| | | |-- sas_port:port-0:0:12
-> ../../../../../../../class/sas_port/port-0:0:12
| | | `-- uevent
| | |-- power
| | | |-- state
| | | `-- wakeup
| | |-- sas_device:expander-0:0
-> ../../../../../../class/sas_device/expander-0:0
| | |-- sas_expander:expander-0:0
-> ../../../../../../class/sas_expander/expander-0:0
| | `-- uevent
| |-- phy-0:0
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/phy-0:0
| |-- phy-0:1
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/phy-0:1
| |-- phy-0:2
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/phy-0:2
| |-- phy-0:3
-> ../../../../../devices/pci0000:01/0000:01:02.0/host0/phy-0:3
| |-- power
| | |-- state
| | `-- wakeup
| |-- sas_port:port-0:0 -> ../../../../../class/sas_port/port-0:0
| `-- uevent
|-- power
| |-- state
| `-- wakeup
|-- sas_host:host0 -> ../../../../class/sas_host/host0
|-- scsi_host:host0 -> ../../../../class/scsi_host/host0
`-- uevent
243 directories, 285 files
This patch has been compiled and tested on a x260 with a vitesse added
between the host and the existing expander.
--Alexis
Signed-off-by: Alexis Bruemmer <alexisb@xxxxxxxxxx>
------
Index: aic94xx-sas-2.6-patched/drivers/scsi/sas/sas_expander.c
===================================================================
--- aic94xx-sas-2.6-patched.orig/drivers/scsi/sas/sas_expander.c 2006-06-28 15:39:00.000000000 -0700
+++ aic94xx-sas-2.6-patched/drivers/scsi/sas/sas_expander.c 2006-06-28 15:40:16.000000000 -0700
@@ -524,10 +524,7 @@
if (!parent_ex->ex_port[i])
break;
- parent_ex->ex_port[i] = port = sas_port_alloc(&parent->rphy->dev, i);
- BUG_ON(!port);
- /* FIXME: better error handling */
- BUG_ON(sas_port_add(port) != 0);
+ parent_ex->ex_port[i] = port = parent_phy->port;
for (i = 0; i < parent_ex->num_phys; i++) {
struct ex_phy *phy = &parent_ex->ex_phy[i];
@@ -544,8 +541,6 @@
child->max_linkrate = max(parent->max_linkrate,
phy->linkrate);
child->pathways++;
- BUG_ON(phy->port != NULL);
- phy->port = port;
sas_port_add_phy(port, phy->phy);
}
}
@@ -574,6 +569,10 @@
child->iproto = phy->attached_iproto;
memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE);
sas_hash_addr(child->hashed_sas_addr, child->sas_addr);
+ phy->port = sas_port_alloc(&parent->rphy->dev, phy_id);
+ BUG_ON(!phy->port);
+ /* FIXME: better error handling*/
+ BUG_ON(sas_port_add(phy->port) != 0);
sas_ex_get_linkrate(parent, child, phy);
if ((phy->attached_tproto & SAS_PROTO_STP) || phy->attached_sata_dev) {
@@ -650,6 +649,7 @@
struct domain_device *child = NULL;
struct sas_rphy *rphy;
struct sas_expander_device *edev;
+ struct asd_sas_port *port;
int res;
if (phy->routing_attr == DIRECT_ROUTING) {
@@ -663,6 +663,12 @@
child = kzalloc(sizeof(*child), GFP_KERNEL);
if (!child)
return NULL;
+
+ phy->port = sas_port_alloc(&parent->rphy->dev, phy_id);
+ /* FIXME: better error handling */
+ BUG_ON(sas_port_add(phy->port) != 0);
+
+
switch (phy->attached_dev_type) {
case EDGE_DEV:
rphy = sas_expander_alloc(phy->port,
@@ -676,11 +682,16 @@
rphy = NULL; /* shut gcc up */
BUG();
}
+ port = parent->port;
+ port->phy = phy->phy;
+ port->port = phy->port;
child->rphy = rphy;
edev = rphy_to_expander_device(rphy);
child->dev_type = phy->attached_dev_type;
child->parent = parent;
- child->port = parent->port;
+ port->port_dev = child;
+ child->port = port;
+ child->port->port = phy->port;
child->iproto = phy->attached_iproto;
child->tproto = phy->attached_tproto;
memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE);
@@ -690,6 +701,7 @@
parent->port->disc.max_level = max(parent->port->disc.max_level,
edev->level);
sas_init_dev(child);
+ sas_rphy_add(child->rphy);
res = sas_discover_expander(child);
if (res) {
kfree(child);
@@ -1345,6 +1357,9 @@
if (level == ex->level)
res = sas_ex_discover_devices(dev, -1);
+ else if (level > 0)
+ res = sas_ex_discover_devices(port->port_dev, -1);
+
}
}
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