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Implement the MMC/SD/SDIO protocol within a CAM framework. CAM's flexible queueing will make it easier to write non-storage drivers than the legacy stack. SDIO drivers from both the kernel and as userland daemons are possible, though much of that functionality will come later. Some of the CAM integration isn't complete (there are sleeps in the device probe state machine, for example), but those minor issues can be improved in-tree more easily than out of tree and shouldn't gate progress on other fronts. Appologies to reviews if specific items have been overlooked. Submitted by: Ilya Bakulin Reviewed by: emaste, imp, mav, adrian, ian Differential Review: https://reviews.freebsd.org/D4761 merge with first commit, various compile hacks.
36 lines
855 B
Text
36 lines
855 B
Text
# MMCCAM is the kernel config for doing MMC on CAM development
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# and testing on bhyve
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# $FreeBSD$
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include MINIMAL
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ident MMCCAM
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# Access GPT-formatted and labeled root volume
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options GEOM_PART_GPT
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options GEOM_LABEL
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# UART -- for bhyve console
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device uart
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# kgdb stub
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device bvmdebug
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# VirtIO support, needed for bhyve
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device virtio # Generic VirtIO bus (required)
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device virtio_pci # VirtIO PCI device
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device vtnet # VirtIO Ethernet device
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device virtio_blk # VirtIO Block device
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device virtio_scsi # VirtIO SCSI device
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device virtio_balloon # VirtIO Memory Balloon device
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# CAM-specific stuff
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device pass
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device scbus
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device da
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device mmccam
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options MMCCAM
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# Add CAMDEBUG stuff
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options CAMDEBUG
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options CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH|CAM_DEBUG_TRACE)
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