Gleb Chesnokov
dc506a0474
Pull requests that only change development guides or independent tooling still compile kernels and run the VM suites. Select Ginkgo, KUnit, Clang and kernel regression through one shared path policy before expensive work. Compare the whole PR against its merge base, retaining deleted paths and both sides of renames. Run checks for unclassified inputs. Keep path rules in .github/ci-checks.toml and validate their structure, check names, literal paths and conflicting entries before selection. Provide a validation-only command. Changes to the config or selector exercise every check. Select kernel regression once in the preparation job and gate the build job before expanding its matrix. Unrelated PRs do not allocate a runner for every kernel. Selection failures fail the workflow and successful skips include a reason in the job summary. Run the Packages workflow only after pushes to master, preserving its DEB/RPM builds and publication. Keep the separate Clang DEB build on PRs. Retain full master and manual checks and the existing Checkpatch runs. Cover path ownership, config validation and Git histories with tests, and shorten the CI guide around all workflows, selection and results. Quote the CC environment key so Checkpatch does not interpret unchanged YAML diff context as a Cc trailer.
Overview
This is the source code repository of the SCST project. SCST is a collection of Linux kernel drivers that implement SCSI target functionality. The SCST project includes:
- The SCST core in the scst/ subdirectory.
- A tool for loading, saving and modifying the SCST configuration in directory scstadmin/.
- Several SCSI target drivers in the directories iscsi-scst/, qla2x00t-32gbit/, qla2x00t/, srpt/, scst_local/ and fcst/.
- User space programs in the usr/ subdirectory, e.g. fileio_tgt.
- Various documentation in the doc/ subdirectory.
Documentation
- Building and installing SCST.
- Build options: Clang, cross-compilation, and kernel module signing.
- Configuration and administration: targets, devices,
LUNs, and
/etc/scst.conf. - Core and device handlers: operating modes, module parameters, and sysfs configuration.
- Target drivers: iSCSI, iSER, QLogic Fibre Channel, SRP, FCoE, and local loopback.
- Performance tuning.
- Clustered persistent reservations: synchronization through DLM.
- T10 protection information: data integrity modes and configuration.
- Developer references: architecture and userspace handler interface (SGML sources), and sysfs interface rules.
- Contributing: code style, commit conventions, local checks, and guides to KUnit and component testing.
Current master packages
Prebuilt x86_64 packages from the latest successfully published master
build are available in the rolling
master-rpm prerelease.
These are development snapshots, not SCST releases.
The snapshot contains RPM bundles for selected Rocky Linux and Oracle Linux
UEK kernels. It also contains Ubuntu LTS bundles with scst-dkms, scstadmin
and iscsi-scst binary packages and their Debian source package files. Exact
distribution releases and RPM kernel versions are included in the asset names.
Every .tar.gz bundle has a matching .sha256 file. The complete snapshot is
replaced after each successful package workflow for the current master
commit.
QLogic target driver
Two QLogic target drivers are included in the SCST project.
The default driver is located in the qla2x00t-32gbit directory. It is the newer one.
May anyone wish to switch back to the older driver that only supported up to
16 Gb/s adapters, it is located in qla2x00t directory. To make use of the
older driver build scst with environment variable QLA_32GBIT=no set.
Vladislav Bolkhovitin vst@vlnb.net, http://scst.sourceforge.net
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