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scsi: mpt3sas: Enumerate SES of a managed PCIe switch

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SES device of managed PCIe switch will be enumerated same as NVMe drives.

The device info type for this SES device is

        MPI26_PCIE_DEVINFO_SCSI (0x4),

whereas the device info type for NVMe drives is

        MPI26_PCIE_DEVINFO_NVME (0x3).

Based on this device info type driver determines whether the device is NVMe
drive or a SES device of a managed PCIe switch.

This SES device doesn't have the PCIe device page 2 information like NVMe
drives, so driver won't read PCIe device page 2 information for SES device.

This SES device uses only IEEE SGL's, So driver build's IEEE SGL's whenever
it receives any SCSI commands for this SES device.

Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Suganath Prabu 2019-08-03 09:59:50 -04:00 • committed by Martin K. Petersen
commit 5bb309dbbb
4 changed files with 83 additions and 37 deletions
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