On Mon, Mar 23, 2026 at 12:59:46PM -0700, Long Li wrote:

This series adds per-vPort Event Queue (EQ) allocation and MSI-X interrupt
management for the MANA driver. Previously, all vPorts shared a single set
of EQs. This change enables dedicated EQs per vPort with support for both
dedicated and shared MSI-X vector allocation modes.

Patch 1 moves EQ ownership from mana_context to per-vPort mana_port_context
and exports create/destroy functions for the RDMA driver.

Patch 2 adds device capability queries to determine whether MSI-X vectors
should be dedicated per-vPort or shared. When the number of available MSI-X
vectors is insufficient for dedicated allocation, the driver enables sharing
mode with bitmap-based vector assignment.

Patch 3 introduces the GIC (GDMA IRQ Context) abstraction with reference
counting, allowing multiple EQs to safely share a single MSI-X vector.

Patch 4 converts the global EQ allocation in probe/resume to use the new
GIC functions.

Patch 5 adds per-vPort GIC lifecycle management, calling get/put on each
EQ creation and destruction during vPort open/close.

Patch 6 extends the same GIC lifecycle management to the RDMA driver's EQ
allocation path.

Changes in v5:
- Rebased on net-next/main

Hi Long Li,

Unfortunately v5 also doesn't apply cleanly to net-next.

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pw-bot: changes-requested