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There are three error paths which return success:
1) Propagate the error code from mpi3mr_post_transport_req() if it fails.
2) Return -EINVAL if "ioc_status != MPI3_IOCSTATUS_SUCCESS".
3) Return -EINVAL if "le16_to_cpu(mpi_reply.response_data_length) !=
sizeof(struct rep_manu_reply)"
Link: https://lore.kernel.org/r/YyMIJh1HU2Qz9+Rs@kili
Fixes: 2bd37e284914 ("scsi: mpi3mr: Add framework to issue MPT transport cmds")
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update the host's SAS ports if there is change in port id or phys. If the
port id is changed, then the driver updates it. If some phys are
enabled/disabled during reset, then driver updates them in STL.
Check for the responding expander devices and update the device handle if
it got changed. Register the expander with STL if it got added during reset
and unregister the expander device if it got removed during reset.
[mkp: include fix for zeroday warning]
Link: https://lore.kernel.org/r/20220804131226.16653-15-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add support for the following SAS transport class callbacks:
- get_linkerrors
- get_enclosure_identifier
- get_bay_identifier
- phy_reset
- phy_enable
- set_phy_speed
- smp_handler
Link: https://lore.kernel.org/r/20220804131226.16653-14-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add framework to issue MPT transport commands to controllers. Also issue
the MPT transport commands to get the manufacturing info of SAS expander
device.
Link: https://lore.kernel.org/r/20220804131226.16653-13-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Register/unregister the SAS, SATA devices to SCSI Transport Layer(STL)
whenever the corresponding device is added/removed from topology.
Link: https://lore.kernel.org/r/20220804131226.16653-12-sreekanth.reddy@broadcom.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When device is registered with the STL then get the corresponding device's
target object using the rphy in below callback functions:
- mpi3mr_target_alloc()
- mpi3mr_slave_alloc()
- mpi3mr_slave_configure()
- mpi3mr_slave_destroy()
Link: https://lore.kernel.org/r/20220804131226.16653-11-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Register/unregister the expander devices to SCSI Transport Layer(STL)
whenever the corresponding expander is added/removed from topology.
Link: https://lore.kernel.org/r/20220804131226.16653-10-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add the following helper functions:
- Update the host phys with STL
- Remove the device's SAS port with STL
Link: https://lore.kernel.org/r/20220804131226.16653-8-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add the following helper functions:
- Get the device's sas address by reading corresponding device's Device
page0
- Get the expander object from expander list based on expander's handle
- Get the target device object from target device list based on device's
sas address
- Get the expander device object from expander list based on expanders's
sas address
- Get hba port object from hba port table list based on port's port id
Link: https://lore.kernel.org/r/20220804131226.16653-7-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add framework to register and unregister the host and expander phys with
SCSI Transport Layer (STL).
Link: https://lore.kernel.org/r/20220804131226.16653-6-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
