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nvme: change PSDT to SGL_MPTR if hardware SGL is supported

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Use SGL with contiguous physical buffer metadata as the default PSDT
if NVMe can support SGL.

Change-Id: I99192a8b5408f1b034d5112d77d13639b7558f01
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/378699
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Changpeng Liu 2017-09-15 11:53:16 +08:00 committed by Jim Harris
parent 70684937b7
commit 38c19cd275
1 changed files with 1 additions and 1 deletions
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2
lib/nvme/nvme_pcie.c
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@ -1637,7 +1637,7 @@ nvme_pcie_qpair_build_hw_sgl_request(struct spdk_nvme_qpair *qpair, struct nvme_
req->payload.u.sgl.reset_sgl_fn(req->payload.u.sgl.cb_arg, req->payload_offset);
sgl = tr->u.sgl;
req->cmd.psdt = SPDK_NVME_PSDT_SGL_MPTR_SGL;
req->cmd.psdt = SPDK_NVME_PSDT_SGL_MPTR_CONTIG;
req->cmd.dptr.sgl1.unkeyed.subtype = 0;
remaining_transfer_len = req->payload_size;