https://communities.vmware.com/t5/VMware-code-Members/PSA-MP-not-receiving-SCSI-I-Os-to-the-fast-path-vmk/m-p/2901422#M52 <P>I'm writing a custom MP to handle NVMe drives.&nbsp; It should be able to use the fast path just like the HPP does.&nbsp; I defined the entry point to a function pointer as directed to do in the "Pluggable Storage Architecture (PSA) Programming Guide".</P><P>So now my&nbsp;vmk_ScsiDeviceOps has both the .issueCommandDirect and the .startCommand.&nbsp; However all I/Os are coming via the .startCommand.</P><P>Is there something more I need to do to force ESXi to make use of the fast path?</P> Wed, 30 Mar 2022 21:16:58 GMT jcavallostratus 2022-03-30T21:16:58Z https://communities.vmware.com/t5/VMware-code-Members/PSA-MP-not-receiving-SCSI-I-Os-to-the-fast-path-vmk/m-p/2901422#M52 <P>I'm writing a custom MP to handle NVMe drives.&nbsp; It should be able to use the fast path just like the HPP does.&nbsp; I defined the entry point to a function pointer as directed to do in the "Pluggable Storage Architecture (PSA) Programming Guide".</P><P>So now my&nbsp;vmk_ScsiDeviceOps has both the .issueCommandDirect and the .startCommand.&nbsp; However all I/Os are coming via the .startCommand.</P><P>Is there something more I need to do to force ESXi to make use of the fast path?</P> Wed, 30 Mar 2022 21:16:58 GMT https://communities.vmware.com/t5/VMware-code-Members/PSA-MP-not-receiving-SCSI-I-Os-to-the-fast-path-vmk/m-p/2901422#M52 jcavallostratus 2022-03-30T21:16:58Z