diff options
| author | Logan Gunthorpe <logang@deltatee.com> | 2022-07-08 10:51:00 -0600 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-07-26 07:28:07 -0400 |
| commit | 2f8594412b4b21023a1f147d881ca05ddffc1e36 (patch) | |
| tree | 23c922f6f8612f4fddd12026cff502b5bcabeef2 /drivers/nvme/host/nvme.h | |
| parent | 30280eee2db10ed6f9f2e1b4ec9197465a96b996 (diff) | |
| download | linux-2f8594412b4b21023a1f147d881ca05ddffc1e36.tar.bz2 | |
nvme-pci: check DMA ops when indicating support for PCI P2PDMA
Introduce a supports_pci_p2pdma() operation in nvme_ctrl_ops to
replace the fixed NVME_F_PCI_P2PDMA flag such that the dma_map_ops
flags can be checked for PCI P2PDMA support.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 0da94b233fed..544b4ec81b2b 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -495,7 +495,6 @@ struct nvme_ctrl_ops { unsigned int flags; #define NVME_F_FABRICS (1 << 0) #define NVME_F_METADATA_SUPPORTED (1 << 1) -#define NVME_F_PCI_P2PDMA (1 << 2) int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val); int (*reg_write32)(struct nvme_ctrl *ctrl, u32 off, u32 val); int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val); @@ -504,6 +503,7 @@ struct nvme_ctrl_ops { void (*delete_ctrl)(struct nvme_ctrl *ctrl); int (*get_address)(struct nvme_ctrl *ctrl, char *buf, int size); void (*print_device_info)(struct nvme_ctrl *ctrl); + bool (*supports_pci_p2pdma)(struct nvme_ctrl *ctrl); }; /* |