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120 Commits

Author SHA1 Message Date
John Garry 42e7a69368 hisi_sas: Add ssp command function 
Add path to send ssp command to HW.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:13:02 -05:00
John Garry 6613992197 hisi_sas: Add path from phyup irq to SAS framework 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:13:01 -05:00
John Garry 07d785923f hisi_sas: Add v1 hardware interrupt init 
Add code to interrupts, so now we can get a phy up interrupt when a disk
is connected.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:13:00 -05:00
John Garry 8ff1d5718e hisi_sas: Add v1 hardware initialisation code 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:13:00 -05:00
John Garry 50af155b6c hisi_sas: Add v1 hardware register definitions 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:59 -05:00
John Garry 9fb10b5486 hisi_sas: Add v1 hw module init 
Add module init code for v1 hw.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:58 -05:00
John Garry fa42d80dc3 hisi_sas: Add timer and spinlock init 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:58 -05:00
John Garry 976867e6ed hisi_sas: Add phy and port init 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:57 -05:00
John Garry af740dbe65 hisi_sas: Add hisi sas device type 
Include initialisation.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:57 -05:00
John Garry 7e9080e1c6 hisi_sas: Add hisi_hba workqueue 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:56 -05:00
John Garry 50cb916f43 hisi_sas: Set dev DMA mask 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:56 -05:00
John Garry 5d74242e37 hisi_sas: Add phy SAS ADDR initialization 
The SAS address for the HBA comes from the device tree.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:55 -05:00
John Garry 9101a0792d hisi_sas: Add cq structure initialization 
Each completion queue has a structure. This is mainly for passing to irq
handler so we know which queue the irq occured on.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:55 -05:00
John Garry 257efd1f69 hisi_sas: Add slot init code 
Add functionality to init slot indexing.

Slot indexing is for the host to track which slots (or tags) are free
and which are used.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:54 -05:00
John Garry 89d533223d hisi_sas: Add hisi_sas_remove 
This patch also includes relevant memory/pool freeing and sas/scsi host
removal.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:54 -05:00
John Garry 6be6de1889 hisi_sas: Allocate memories and create pools 
Allocate DMA and non-DMA memories for the controller. Also create DMA
pools.

These include:

- Delivery queues
- Completion queues
- Command status buffer
- Command table
- ITCT (For device context)
- Host slot info
- IO status
- Breakpoint
- host slot indexing
- SG data
- FIS
- interrupts names

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:53 -05:00
John Garry c799d6bd8f hisi_sas: Add HW DMA structures 
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:53 -05:00
John Garry e26b2f405a hisi_sas: Scan device tree 
Scan the device tree for all properties. Also do this:

- do ioremap for SAS registers
- allocate memory for interrupt names

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:52 -05:00
John Garry 7eb7869f13 hisi_sas: Add scsi host registration 
Add functionality to register device as a scsi host.

The SAS domain transport ops are empty at this point.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:52 -05:00
John Garry e8899fad96 hisi_sas: Add initial bare main driver 
This patch adds the initial bare main driver for the HiSilicon SAS
HBA. This only introduces the changes to build and load the main driver
module.

The complete driver consists of the core main module and also a module
platform driver for driving the hw.

The HBA is a platform device.

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2015-11-25 22:12:51 -05:00