drm/xe/xe_memirq.c

44  * DOC: Memory Based Interrupts
46  * MMIO register based interrupts infrastructure used for non-virtualized mode
49  * containers. Memory based interrupt status reporting provides an efficient
52  * For memory based interrupt status reporting hardware sequence is:
61  * DOC: Memory Based Interrupts Page Layout
63  * `Memory Based Interrupts`_ requires three different objects, which are
173  * xe_memirq_init - Initialize data used by `Memory Based Interrupts`_.
177  * used by `Memory Based Interrupts`_.
184  * If `Memory Based Interrupts`_ are not used this function will return 0.
212  * Shall be called only on VF driver when `Memory Based Interrupts`_ are used
230  * Shall be called only on VF driver when `Memory Based Interrupts`_ are used
248  * Shall be called only on VF driver when `Memory Based Interrupts`_ are used
263  * xe_memirq_init_guc - Prepare GuC for `Memory Based Interrupts`_.
268  * to be used by the GuC when `Memory Based Interrupts`_ are required.
270  * Shall be called only on VF driver when `Memory Based Interrupts`_ are used
309  * xe_memirq_reset - Disable processing of `Memory Based Interrupts`_.
315  * `Memory Based Interrupts`_.
327  * xe_memirq_postinstall - Enable processing of `Memory Based Interrupts`_.
333  * `Memory Based Interrupts`_.
382  * xe_memirq_handler - The `Memory Based Interrupts`_ Handler.
385  * This function reads and dispatches `Memory Based Interrupts`.