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Updated Fusion-io iomemory VSL4 Linux (version 4.3.7) driver for recent kernels.

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IOMemory-VSL4

This is an "unsupported" updated, and cleaned up version of the original driver source for newer generation FusionIO cards. It comes with no warranty, it may cause DATA LOSS or CORRUPTION.

IOMemory-VSL(3)

For the iomemory-vsl driver please go to the iomemory-vsl repo.

How to Identify your Fusion-io Card (including VSL version)

Please refer to the Fusion-io and OEM Part Numbers Matrix.

Background

Driver support for FusionIO cards has been lagging behind kernel releases, effectively making these cards an expensive paperweight when running a distribution like Ubuntu / Arch / Fedora / ProxMox which all supply newer kernels than supported.

Releases

We've abandoned the notion of releases, Generally main should be checked out. main is completely backwards compatible for all 5, and 6 kernels. The latest working tested kernel is 6.9.

Historically releases were tagged, and were be checked out by their tag. The release tags follow Linux Kernel versions. E.g. v5.12.1 (Boop Noodle) will work on all 5.x kernels that are 5.12 and lower, but is not guaranteed to work on 5.13. v4.20.2 - Big Ole Nope Rope supports most kernels that pre-date 5.0. Again this way of following kernel releases has been abandoned. Please follow main.

Tag Codename
main
v5.12.1 Boop Noodle
v5.10.0 Spicy Nope Rope
v5.6.1 Danger Noodle
v4.20.1 Big Ole Nope Rope

Important Note for newer Linux Kernels

Starting with Linux kernel 5.4.0, significant changes to the kernel were made that require additional boot time kernel flags for this driver to work. These affect AMD CPUs starting with 5.4.0, and Intel CPUs after about kernel 5.8.0.

Grub

Add the following to your /etc/default/grub by looking for GRUB_CMDLINE_LINUX_DEFAULT="" and adding additional parameters inside the quotes. For AMD systems:

amd_iommu=on iommu=pt

For Intel system:

iommu=pt

Example: GRUB_CMDLINE_LINUX_DEFAULT="quiet iommu=pt"

Systemd-boot

When using systemd-boot add the above options to the options section of the .conf file you're using as your loader. Typically the loader root will be /EFI, /efi, or /boot. Which will have a loader/entries/ directory that contains your specific configuration files. Use your favourite editor. More information on systemd-boot can be found here.

Current version

The current driver version is derived from iomemory-vsl-4.3.7.1205, and has gone through rigorous rewriting and cleaning of redundant, unused, and old code. This driver is aimed to support Linux kernels from 5.0 and upwards.

Supported Hardware

Here's a not so exhaustive list of iomemory cards. I have only tested the 3.2TB card, and was able to crossflash back to OEM. The rest below all seem to be SX350s or PX600s. While they should all work, we don't have any PX or SX300 cards to test with.

OEM Models
ioMemory SX300
ioMemory SX350
ioMemory PX600
HPE PCIe Workload Accelerators Part Number Capacity Notes tested firmware
HP Light Endurance (LE) Workload Accelerator 775666-B21 1.0TB Unknown gen3_tangerine_fusion
HP Light Endurance (LE) Workload Accelerator 775672-B21 5.2TB Unknown Unknown
HP Value Endurance (VE) Workload Accelerator 763834-B21 1.3TB Likely SX350 Unknown
HP Value Endurance (VE) Workload Accelerator 763836-B21 3.2TB Rebranded SX350 gen3_tangerine_fusion
HP Value Endurance (VE) Workload Accelerator 763840-B21 6.4TB Likely SX350 Unknown
Cisco UCS Storage Accelerators Part Number Capacity Notes
UCS Rack PCIe Storage 1300 GB SanDisk SX350 Medium Endurance UCSC-F-S13002 1.3TB
UCS Rack PCIe Storage 1600 GB SanDisk SX350 Medium Endurance UCSC-F-S16002 1.6TB
UCS Rack PCIe Storage 3200 GB SanDisk SX350 Medium Endurance UCSC-F-S32002 3.2TB
UCS Rack PCIe Storage 6400 GB SanDisk SX350 Medium Endurance UCSC-F-S64002 6.4TB
UCS 1000 GB Fusion ioMemory3 PX Performance line for Rack M4 UCSC-F-FIO-1000PS 1.0TB PX600
UCS 1300 GB Fusion ioMemory3 PX Performance line for Rack M4 UCSC-F-FIO-1300PS 1.3TB PX600
UCS 2600 GB Fusion ioMemory3 PX Performance line for Rack M4 UCSC-F-FIO-2600PS 2.6TB PX600
UCS 5200 GB Fusion ioMemory3 PX Performance line for Rack M4 UCSC-F-FIO-5200PS 5.2TB PX600

Important notes!!!

At this moment the driver has been tested over time with different kernel version. Tests are run on an LVM volume with an ext4 filesystem. Workload testing is done with VM's, Containers, FIO and normal desktop usage.

Building

Note! For many systems, the best option is to use DKMS, using the DKMS instructions below. If you prefer to build the module directly, or to create a dpkg or rpm package, you can proceed with the options below.

Please make sure that the required dependencies are installed, as mentioned in this README

Installation

DKMS is recommended, but installation can also be done with packages or from source.

DKMS

Dynamic Kernel Module Support automates away the requirement of having to repackage the kernel module with every kernel and headers update that takes place on the system.

Try building from main first as it works with most modern kernels up to about 5.14:

git clone https://github.com/snuf/iomemory-vsl4
cd iomemory-vsl4/
make dkms

If you know you need to build a specific branch based on a specific recommendation, use:

git clone https://github.com/snuf/iomemory-vsl4
cd iomemory-vsl4/
git checkout <release-tag>
make dkms

From Source

git clone https://github.com/snuf/iomemory-vsl4
cd iomemory-vsl4/
# OPTIONAL: Checkout a specific release. Usually using main branch is correct.
# DO THIS ONLY IF YOU'VE BEEN TOLD IT'S REQUIRED!
# git checkout <release-tag>
make module
cd root/usr/src/iomemory-vsl4-4.3.7
sudo insmod iomemory-vsl4.ko

.deb Ubuntu / Debian

git clone https://github.com/snuf/iomemory-vsl4
cd iomemory-vsl4/
# OPTIONAL: Checkout a specific release. Usually using main branch is correct.
# DO THIS ONLY IF YOU'VE BEEN TOLD IT'S REQUIRED!
# git checkout <release-tag>
make dpkg

.rpm CentOS / RHEL

git clone https://github.com/snuf/iomemory-vsl4
cd iomemory-vsl4/
# OPTIONAL: Checkout a specific release. Usually using main branch is correct.
# DO THIS ONLY IF YOU'VE BEEN TOLD IT'S REQUIRED!
# git checkout <release-tag>
make rpm

Utils

With fio-utils installed you should see the following kind of...,:

.deb https://www.dropbox.com/s/d18dokktt0g2aau/fio-util_4.3.7.1205-1.0_amd64.deb
.rpm https://www.dropbox.com/s/ba2vcxhmf9p2pb2/fio-util-4.3.7.1205-1.el7.x86_64.rpm

snuf@scipio:~/Documents/iodrive4/fio-util-4/usr/bin$ sudo ./fio-status -a

Note: 2 unmanaged ioMemory devices found requiring a v3.x driver.
   Install the driver package to see device information.
   Note that only one driver package can be installed at a time.

Found 1 VSL driver package:
   4.3.6 build 1173 Driver: not loaded

Found 1 ioMemory device in this system

Adapter: ioMono  (driver 4.3.6)
	ioMemory SX300-1300, Product Number:F13-004-1300-CS-0001, SN:1446G1531, FIO SN:1446G1531
	ioMemory Adapter Controller, PN:PA006002103
	Product UUID:d3e0a40c-7e14-5264-842f-316d3f353492
	PCIe Power limit threshold: Disabled
	PCIe slot available power: 0.24W
	PCIe negotiated link: 8 lanes at 5.0 Gt/sec each, 4000.00 MBytes/sec total
	Connected ioMemory modules:
	  08:00.0:	Product Number:F13-004-1300-CS-0001, SN:1446G1531

08:00.0	ioMemory Adapter Controller, Product Number:F13-004-1300-CS-0001, SN:1446G1531
	ioMemory Adapter Controller, PN:PA006002103
	Microcode Versions: App:0.0.44.0
	PCI:08:00.0
	Vendor:1aed, Device:3002, Sub vendor:1aed, Sub device:3002
	Firmware v8.9.5, rev 20160412 Public
	UEFI Option ROM v4.2.5, rev 1266 Disabled
	PCIe slot available power: 0.24W
	PCIe negotiated link: 8 lanes at 5.0 Gt/sec each, 4000.00 MBytes/sec total
	Internal temperature: 63.49 degC, max 79.24 degC
	Internal voltage: avg 1.01V, max 1.02V
	Aux voltage: avg 1.80V, max 1.83V

How to Get Help

Acknowledgements

The support and maintenance of this driver is made possible by the people that actively contribute or contributed to its code base or by supporting the project in other ways.

Name Discord
Demetrius Cassidy Long nights of cleaning the codebase, setting up the Discord channel and guiding people through firmware upgrades
Vince Fleming Donating a 1.2TB IoDrive2 for debugging problems

Obviously all the regulars on the Discord channel, notably @bplein, @AcquaCow and @Tear.

Oh yes and the folks that were at Fusion IO for creating this product that was way ahead of its time and delivering the integration shim sources with the driver core.

Resources

Tools and resources often used to figure out what changed, and why things are not working as they are supposed to.

Source
Elixir Making the Linux source code browsable and easy to compare changes over time
ZOL A source of inspiration for changes in the block layers of the linux kernel that we get to deal with
LKML Sometimes the first or last resort to figure out why something changed in the kernel, or where
The Nvidia Forum Because they are hot to trot they encounter problems before we do, so we get to ride on their coat tails.... sometimes....though often not
Ghidra The Ghidra project from the NSA that allows a look under the covers to figure out things inside non-sourcy libs

Other notes

Installing fio-util, fio-common, fio-preinstall and fio-sysvinit is recommended.