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linux_dsm_epyc7002/include/linux/irqchip
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Shanker Donthineni 3faf24ea89 irqchip/gicv3-its: Implement two-level(indirect) device table support 
Since device IDs are extremely sparse, the single, a.k.a flat table is
not sufficient for the following two reasons.

1) According to ARM-GIC spec, ITS hw can access maximum of 256(pages)*
   64K(pageszie) bytes. In the best case, it supports upto DEVid=21
   sparse with minimum device table entry size 8bytes.

2) The maximum memory size that is possible without memblock depends on
   MAX_ORDER. 4MB on 4K page size kernel with default MAX_ORDER, so it
   supports DEVid range 19bits.

The two-level device table feature brings us two advantages, the first
is a very high possibility of supporting upto 32bit sparse, and the
second one is the best utilization of memory allocation.

The feature is enabled automatically during driver probe if the memory
requirement is more than 2*ITS-pages and the hardware is capable of
two-level table walk.

Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-06-13 11:53:53 +01:00
..
arm-gic-common.h irqchip/gic-v3: Parse and export virtual GIC information 2016-05-03 12:54:21 +02:00
arm-gic-v3.h irqchip/gicv3-its: Implement two-level(indirect) device table support 2016-06-13 11:53:53 +01:00
arm-gic.h irqchip/gic: Add platform driver for non-root GICs that require RPM 2016-06-13 11:53:52 +01:00
arm-vic.h irqchip: support cascaded VICs 2014-02-13 11:21:21 +01:00
chained_irq.h arm: Move chained_irq_(enter|exit) to a generic file 2013-03-26 16:11:43 +00:00
ingenic.h MIPS/IRQCHIP: Move Ingenic SoC intc driver to drivers/irqchip 2015-06-21 21:53:10 +02:00
irq-omap-intc.h irqchip: omap-intc: Remove unused legacy interface for omap2 2015-01-26 11:38:23 +01:00
irq-partition-percpu.h irqchip: Add per-cpu interrupt partitioning library 2016-05-02 13:42:51 +02:00
irq-sa11x0.h ARM: 8367/1: sa1100: prepare for moving irq driver to drivers/irqchip 2015-05-28 14:40:03 +01:00
metag-ext.h metag: Internal and external irqchips 2013-03-02 20:09:48 +00:00
metag.h metag: Internal and external irqchips 2013-03-02 20:09:48 +00:00
mips-gic.h irqchip: mips-gic: Provide VP ID accessor 2016-05-13 14:01:49 +02:00
mmp.h ARM: mmp: avoid to include head file in mach-mmp 2013-08-24 17:44:45 +08:00
mxs.h ARM: mxs: move icoll driver into drivers/irqchip 2013-04-01 16:30:04 +08:00
versatile-fpga.h
xtensa-mx.h xtensa: add MX irqchip 2014-01-14 10:19:58 -08:00
xtensa-pic.h xtensa: move built-in PIC to drivers/irqchip 2014-01-14 10:19:56 -08:00