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| author | Vishal Verma <vishal.l.verma@intel.com> | 2013-03-04 18:40:58 -0700 |
|---|---|---|
| committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2013-03-28 14:50:49 -0400 |
| commit | 5d0f6131a79adfa1fb51309c5f81a2a4ef879dd4 (patch) | |
| tree | 746ea0e412541fc7c0cd5212cdd903f46e02c4c3 /include/linux/nvme.h | |
| parent | f8ebf8409abfdaeeb8c847381629a2a8b8e3d816 (diff) | |
| download | kernel-common-5d0f6131a79adfa1fb51309c5f81a2a4ef879dd4.tar.gz kernel-common-5d0f6131a79adfa1fb51309c5f81a2a4ef879dd4.tar.bz2 kernel-common-5d0f6131a79adfa1fb51309c5f81a2a4ef879dd4.zip | |
NVMe: Add nvme-scsi.c
Translates SCSI commands in SG_IO ioctl to NVMe commands.
Uses the scsi-nvme translation spec from nvmexpress.org as reference.
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'include/linux/nvme.h')
| -rw-r--r-- | include/linux/nvme.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index f1974cab60cf..aa575033dbe7 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -546,6 +546,8 @@ struct nvme_ns { int ns_id; int lba_shift; + u64 mode_select_num_blocks; + u32 mode_select_block_len; }; /* @@ -563,6 +565,39 @@ struct nvme_iod { dma_addr_t first_dma; struct scatterlist sg[0]; }; + +/** + * nvme_free_iod - frees an nvme_iod + * @dev: The device that the I/O was submitted to + * @iod: The memory to free + */ +void nvme_free_iod(struct nvme_dev *dev, struct nvme_iod *iod); + +int nvme_setup_prps(struct nvme_dev *dev, struct nvme_common_command *cmd, + struct nvme_iod *iod, int total_len, gfp_t gfp); +struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write, + unsigned long addr, unsigned length); +void nvme_unmap_user_pages(struct nvme_dev *dev, int write, + struct nvme_iod *iod); +struct nvme_queue *get_nvmeq(struct nvme_dev *dev); +void put_nvmeq(struct nvme_queue *nvmeq); +int nvme_submit_sync_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd, + u32 *result, unsigned timeout); +int nvme_submit_flush_data(struct nvme_queue *nvmeq, struct nvme_ns *ns); +int nvme_submit_admin_cmd(struct nvme_dev *, struct nvme_command *, + u32 *result); +int nvme_identify(struct nvme_dev *, unsigned nsid, unsigned cns, + dma_addr_t dma_addr); +int nvme_get_features(struct nvme_dev *dev, unsigned fid, unsigned nsid, + dma_addr_t dma_addr, u32 *result); +int nvme_set_features(struct nvme_dev *dev, unsigned fid, unsigned dword11, + dma_addr_t dma_addr, u32 *result); + +struct sg_io_hdr; + +int nvme_sg_io(struct nvme_ns *ns, struct sg_io_hdr __user *u_hdr); +int nvme_sg_get_version_num(int __user *ip); + #endif #endif /* _LINUX_NVME_H */ |