nvme: Add nvme_allocate_request_buf
AcceptedPublic
Actions

Authored by imp on Aug 22 2025, 1:15 AM.

Tags

None

Referenced Files

	Unknown Object (File)
	Sun, Aug 9, 12:23 AM

	Unknown Object (File)
	Sat, Aug 8, 10:05 AM

	Unknown Object (File)
	Thu, Aug 6, 8:30 PM

	Unknown Object (File)
	Wed, Aug 5, 3:07 AM

	Unknown Object (File)
	Tue, Aug 4, 9:47 AM

	Unknown Object (File)
	Sat, Aug 1, 4:21 PM

	Unknown Object (File)
	Thu, Jul 30, 4:19 PM

	Unknown Object (File)
	Tue, Jul 21, 1:12 PM

View All 72 Files

Subscribers

dab

Details

Reviewers

jhb
mav
markj
kib

Summary

When doing ioctls, we have to map the user data using vmapbuf. Rather
than reaching inside the buf, create nvme_allocate_request_buf to use
memdesc_buf. This also understands unmapped I/O.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 66441
Build 63324: arc lint + arc unit

Event Timeline

imp created this revision.Aug 22 2025, 1:15 AM

Herald added a subscriber: dab. · View Herald TranscriptAug 22 2025, 1:15 AM

imp requested review of this revision.Aug 22 2025, 1:15 AM

imp added a parent revision: D52109: memdesc: Add memdesc_buf.

Harbormaster completed remote builds in B66441: Diff 160789.Aug 22 2025, 1:15 AM

imp added a child revision: D52111: nvme: On ioctl, use nvme_allocate_request_buf.Aug 22 2025, 1:15 AM

kib accepted this revision.Aug 22 2025, 12:49 PM

This revision is now accepted and ready to land.Aug 22 2025, 12:49 PM

jhb accepted this revision.Aug 22 2025, 2:21 PM

Revision Contents
Changeset List

Path

Size

sys/

dev/

nvme/

nvme_private.h

14 lines

Diff 160789

View Options

sys/dev/nvme/nvme_private.h

nvme: Add nvme_allocate_request_bufAcceptedPublicActions