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author | Logan Gunthorpe <logang@deltatee.com> | 2018-10-04 23:27:44 +0200 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2018-10-17 19:18:21 +0200 |
commit | e0596ab2900dfa64c0538e4aef8eec3c6f0f38eb (patch) | |
tree | 06400983b4d86dc3dc9195b1808e9ea273d6906f /drivers/nvme/target | |
parent | nvme-pci: Use PCI p2pmem subsystem to manage the CMB (diff) | |
download | linux-e0596ab2900dfa64c0538e4aef8eec3c6f0f38eb.tar.xz linux-e0596ab2900dfa64c0538e4aef8eec3c6f0f38eb.zip |
nvme-pci: Add support for P2P memory in requests
For P2P requests, we must use the pci_p2pmem_map_sg() function instead of
the dma_map_sg functions.
With that, we can then indicate PCI_P2P support in the request queue. For
this, we create an NVME_F_PCI_P2P flag which tells the core to set
QUEUE_FLAG_PCI_P2P in the request queue.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Diffstat (limited to 'drivers/nvme/target')
0 files changed, 0 insertions, 0 deletions