Matthew Brost e1d2e2d878 drm/xe/vf: Add xe_gt_recovery_pending helper
Add xe_gt_recovery_pending helper.

This helper serves as the singular point to determine whether a GT
recovery is currently in progress. Expected callers include the GuC CT
layer and the GuC submission layer. Atomically visable as soon as vCPU
are unhalted until VF recovery completes.

v3:
 - Add GT layer xe_gt_recovery_inprogress (Michal)
 - Don't blow up in memirq not enabled (CI)
 - Add __memirq_received with clear argument (Michal)
 - xe_memirq_sw_int_0_irq_pending rename (Michal)
 - Use offset in xe_memirq_sw_int_0_irq_pending (Michal)
v4:
 - Refactor xe_gt_recovery_inprogress logic around memirq (Michal)
v5:
 - s/inprogress/pending (Michal)
v7:
 - Fix typos, adjust comment (Michal)

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Tomasz Lis <tomasz.lis@intel.com>
Link: https://lore.kernel.org/r/20251008214532.3442967-9-matthew.brost@intel.com
2025-10-09 03:22:23 -07:00
2025-09-15 17:51:07 +10:00
2025-09-15 17:51:07 +10:00
2025-09-14 14:21:14 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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