Commit Graph

2 Commits

Author SHA1 Message Date
Seth Howell
a95a92208d doc: update system_config to include igb_uio.
This will be a useful workaround for kernels which don't support binding
NVMe drives to uio_pci_generic.

Change-Id: Idf895882c1a5adb50935083c9176b3af0ddd637e
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/814
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2020-02-13 09:51:54 +00:00
tone.zhang
bf6a6019b2 Doc: Clarify the IOMMU configuration for User Space Drivers
In the case system charges PCI devices with the "uio_pci_generic"
kernel driver, the IOMMU should be disabled or passthrough, because
the virtual / physical address conversion by IOMMU will make the DMA
transmission invalid.

The patch guides users configure IOMMU in SPDK target system on both
x86_64 and arm64 systems.

Change-Id: I66df4df855a6669d4838eb88bd400ded87d08a49
Signed-off-by: tone.zhang <tone.zhang@arm.com>
Reviewed-on: https://review.gerrithub.io/424470
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2018-11-05 22:15:41 +00:00