This series extends amdxdna with initial support for AIE4 Virtual Functions and the user-visible execution path.
Move message buffer allocation and device metadata collection to aie.c, allowing both AIE2 and AIE4 devices to reuse common code. Testing: PF + VF: Probe AIE4 PF, enable SR-IOV, bind VF devices, and run end-to-end workloads from a userspace application. Regression: Validate existing AIE2 regression tests. David Zhang (5): accel/amdxdna: Add initial support for AIE4 VF accel/amdxdna: Init AIE4 device partition accel/amdxdna: Add AIE4 VF hardware context create and destroy accel/amdxdna: Add command doorbell and wait support accel/amdxdna: Add AIE4 metadata query support Nishad Saraf (1): accel/amdxdna: Add AIE4 work buffer initialization drivers/accel/amdxdna/Makefile | 1 + drivers/accel/amdxdna/aie.c | 79 ++++++ drivers/accel/amdxdna/aie.h | 31 +++ drivers/accel/amdxdna/aie2_ctx.c | 4 +- drivers/accel/amdxdna/aie2_error.c | 7 +- drivers/accel/amdxdna/aie2_message.c | 51 +--- drivers/accel/amdxdna/aie2_pci.c | 54 +--- drivers/accel/amdxdna/aie2_pci.h | 28 -- drivers/accel/amdxdna/aie4_ctx.c | 333 ++++++++++++++++++++++++ drivers/accel/amdxdna/aie4_host_queue.h | 24 ++ drivers/accel/amdxdna/aie4_message.c | 55 ++++ drivers/accel/amdxdna/aie4_msg_priv.h | 98 +++++++ drivers/accel/amdxdna/aie4_pci.c | 310 +++++++++++++++++----- drivers/accel/amdxdna/aie4_pci.h | 37 ++- drivers/accel/amdxdna/amdxdna_ctx.c | 40 +++ drivers/accel/amdxdna/amdxdna_ctx.h | 7 +- drivers/accel/amdxdna/amdxdna_gem.c | 5 +- drivers/accel/amdxdna/amdxdna_pci_drv.c | 25 +- drivers/accel/amdxdna/amdxdna_pci_drv.h | 4 + drivers/accel/amdxdna/npu3_regs.c | 25 +- include/uapi/drm/amdxdna_accel.h | 24 +- 21 files changed, 1042 insertions(+), 200 deletions(-) create mode 100644 drivers/accel/amdxdna/aie4_ctx.c create mode 100644 drivers/accel/amdxdna/aie4_host_queue.h -- 2.34.1
