forked from Minki/linux
e105ddb4a2
If NO_DMA=y:
drivers/built-in.o: In function `nvme_nvm_dev_dma_free':
lightnvm.c:(.text+0x23df1a): undefined reference to `dma_pool_free'
drivers/built-in.o: In function `nvme_nvm_dev_dma_alloc':
lightnvm.c:(.text+0x23df38): undefined reference to `dma_pool_alloc'
drivers/built-in.o: In function `nvme_nvm_destroy_dma_pool':
lightnvm.c:(.text+0x23df4c): undefined reference to `dma_pool_destroy'
drivers/built-in.o: In function `nvme_nvm_create_dma_pool':
lightnvm.c:(.text+0x23df7e): undefined reference to `dma_pool_create'
and
ERROR: "dma_pool_destroy" [drivers/nvme/host/nvme-core.ko] undefined!
ERROR: "dma_pool_free" [drivers/nvme/host/nvme-core.ko] undefined!
ERROR: "dma_pool_alloc" [drivers/nvme/host/nvme-core.ko] undefined!
ERROR: "dma_pool_create" [drivers/nvme/host/nvme-core.ko] undefined!
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
46 lines
1.3 KiB
Plaintext
46 lines
1.3 KiB
Plaintext
#
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# Open-Channel SSD NVM configuration
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#
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menuconfig NVM
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bool "Open-Channel SSD target support"
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depends on BLOCK && HAS_DMA
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help
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Say Y here to get to enable Open-channel SSDs.
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Open-Channel SSDs implement a set of extension to SSDs, that
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exposes direct access to the underlying non-volatile memory.
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If you say N, all options in this submenu will be skipped and disabled
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only do this if you know what you are doing.
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if NVM
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config NVM_DEBUG
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bool "Open-Channel SSD debugging support"
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default n
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---help---
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Exposes a debug management interface to create/remove targets at:
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/sys/module/lnvm/parameters/configure_debug
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It is required to create/remove targets without IOCTLs.
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config NVM_GENNVM
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tristate "General Non-Volatile Memory Manager for Open-Channel SSDs"
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---help---
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Non-volatile memory media manager for Open-Channel SSDs that implements
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physical media metadata management and block provisioning API.
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This is the standard media manager for using Open-Channel SSDs, and
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required for targets to be instantiated.
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config NVM_RRPC
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tristate "Round-robin Hybrid Open-Channel SSD target"
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---help---
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Allows an open-channel SSD to be exposed as a block device to the
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host. The target is implemented using a linear mapping table and
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cost-based garbage collection. It is optimized for 4K IO sizes.
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endif # NVM
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