Commit 38c19cd2 authored by Changpeng Liu's avatar Changpeng Liu Committed by Jim Harris
Browse files

nvme: change PSDT to SGL_MPTR if hardware SGL is supported 



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

Change-Id: I99192a8b5408f1b034d5112d77d13639b7558f01
Signed-off-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/378699


Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: default avatarZiye Yang <optimistyzy@gmail.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 70684937

lib/nvme/nvme_pcie.c

+1 −1
Original line number Diff line number Diff line
@@ -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;