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3faf24ea89
linux/drivers/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
..
alphascale_asm9260-icoll.h irqchip/mxs: Add Alphascale ASM9260 support 2015-10-14 09:37:47 +02:00
exynos-combiner.c irqdomain: Use irq_domain_get_of_node() instead of direct field access 2015-10-13 19:01:23 +02:00
irq-alpine-msi.c irqchip/irq-alpine-msi: Don't use <asm-generic/msi.h> 2016-05-11 10:12:25 +01:00
irq-armada-370-xp.c irqchip/armada-370-xp: Allow allocation of multiple MSIs 2016-02-16 17:36:16 +00:00
irq-ath79-cpu.c irqchip/ath79-cpu: Move the CPU IRQ driver from arch/mips/ath79/ 2016-02-17 13:47:19 +00:00
irq-ath79-misc.c irqchip/ath79-misc: Move the MISC driver from arch/mips/ath79/ 2016-02-17 13:44:31 +00:00
irq-atmel-aic5.c irqchip/atmel-aic: Remove duplicate bit operation 2016-02-08 15:03:42 +01:00
irq-atmel-aic-common.c irqchip/atmel-aic: Change return type of aic_common_set_priority() 2016-02-08 15:03:42 +01:00
irq-atmel-aic-common.h irqchip/atmel-aic: Change return type of aic_common_set_priority() 2016-02-08 15:03:42 +01:00
irq-atmel-aic.c irqchip/atmel-aic: Change return type of aic_common_set_priority() 2016-02-08 15:03:42 +01:00
irq-bcm2835.c irqchip: Kill off set_irq_flags usage 2015-09-16 16:53:38 +02:00
irq-bcm2836.c irqchip/bcm2836: Use a more generic memory barrier call 2016-05-11 10:13:00 +01:00
irq-bcm6345-l1.c irqchips/bmips: Add bcm6345-l1 interrupt controller 2016-02-08 15:03:42 +01:00
irq-bcm7038-l1.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-bcm7120-l2.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-brcmstb-l2.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-clps711x.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00
irq-crossbar.c irqchip: Mask the non-type/sense bits when translating an IRQ 2016-05-11 10:12:41 +01:00
irq-digicolor.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-dw-apb-ictl.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-eznps.c irqchip: add nps Internal and external irqchips 2016-05-09 09:32:31 +05:30
irq-gic-common.c irqchip/gic: Prepare for adding platform driver 2016-06-13 11:53:52 +01:00
irq-gic-common.h irqchip/gic-v2: Parse and export virtual GIC information 2016-05-03 12:54:21 +02:00
irq-gic-pm.c irqchip/gic: Add platform driver for non-root GICs that require RPM 2016-06-13 11:53:52 +01:00
irq-gic-realview.c irqchip/gic/realview: Support more RealView DCC variants 2016-03-09 09:38:05 +00:00
irq-gic-v2m.c irqchip/gic-v2m: Add workaround for Broadcom NS2 GICv2m erratum 2016-05-11 10:12:40 +01:00
irq-gic-v3-its-pci-msi.c irqchip/gic-v3-its: Add handling of PCI requester id. 2015-10-16 13:07:13 +01:00
irq-gic-v3-its-platform-msi.c irqchip/gic-v3-its: Parse new version of msi-parent property 2015-10-16 13:07:15 +01:00
irq-gic-v3-its.c irqchip/gicv3-its: Implement two-level(indirect) device table support 2016-06-13 11:53:53 +01:00
irq-gic-v3.c irqchip/gic-v3: Fix quiescence check in gic_enable_redist 2016-06-02 18:00:06 +01:00
irq-gic.c irqchip/gic: Add platform driver for non-root GICs that require RPM 2016-06-13 11:53:52 +01:00
irq-hip04.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00
irq-i8259.c irqchip/i8259: Convert to use irq_set_chained_handler_and_data 2015-10-01 16:32:54 +02:00
irq-imgpdc.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-imx-gpcv2.c irqchip: Convert all alloc/xlate users from of_node to fwnode 2015-10-13 19:01:23 +02:00
irq-ingenic.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-keystone.c irqchip: Kill off set_irq_flags usage 2015-09-16 16:53:38 +02:00
irq-lpc32xx.c irqchip: Add LPC32xx interrupt controller driver 2016-05-11 10:12:11 +01:00
irq-ls-scfg-msi.c irqchip: Add Layerscape SCFG MSI controller support 2016-05-04 09:58:04 +01:00
irq-mbigen.c irqchip/mbigen: Checking for IS_ERR() instead of NULL 2016-05-11 10:12:13 +01:00
irq-metag-ext.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-metag.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-mips-cpu.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-mips-gic.c irqchip: mips-gic: Setup EIC mode on each CPU if it's in use 2016-05-28 12:35:03 +02:00
irq-mmp.c irqchip: Kill off set_irq_flags usage 2015-09-16 16:53:38 +02:00
irq-moxart.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-mtk-sysirq.c irqchip: Convert all alloc/xlate users from of_node to fwnode 2015-10-13 19:01:23 +02:00
irq-mvebu-odmi.c irqchip/gic: Return IRQ_SET_MASK_OK_DONE in the set_affinity method 2016-02-19 15:42:29 +00:00
irq-mxs.c irqchip/mxs: Fix error check of of_io_request_and_map() 2016-03-10 16:03:30 +01:00
irq-nvic.c irqchip: Convert all alloc/xlate users from of_node to fwnode 2015-10-13 19:01:23 +02:00
irq-omap-intc.c irqchip/omap-intc: Add support for spurious irq handling 2016-01-06 11:35:13 +01:00
irq-or1k-pic.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-orion.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-partition-percpu.c irqchip: Add per-cpu interrupt partitioning library 2016-05-02 13:42:51 +02:00
irq-pic32-evic.c irqchip/irq-pic32-evic: Fix bug with external interrupts. 2016-06-02 18:03:50 +01:00
irq-renesas-h8s.c irqchip: renesas-h8s: Replace ctrl_outw/ctrl_inw with writew/readw 2016-01-20 22:44:13 +09:00
irq-renesas-h8300h.c h8300: Rename ctlr_out/in[bwl] to raw_read/write[bwl] 2015-12-15 10:12:03 +01:00
irq-renesas-intc-irqpin.c irqchip/renesas-intc-irqpin: Improve clock error handling and reporting 2015-11-24 16:54:19 +00:00
irq-renesas-irqc.c irqchip/renesas-irqc: Move over to nested generic chip 2015-09-29 20:41:00 +02:00
irq-s3c24xx.c irqchip/s3c24xx: Mark init_eint as __maybe_unused 2016-01-26 16:00:14 +01:00
irq-sa11x0.c ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
irq-sirfsoc.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-st.c irqchip: st: Supply new driver for STi based devices 2015-03-03 19:48:53 +00:00
irq-sun4i.c irqchip/sun4i: Fix compilation outside of arch/arm 2016-02-02 15:46:40 +01:00
irq-sunxi-nmi.c irqchip/sunxi-nmi: Fix error check of of_io_request_and_map() 2016-03-10 16:03:30 +01:00
irq-tango.c irqchip/tango: Add support for Sigma Designs SMP86xx/SMP87xx interrupt controller 2016-02-18 01:18:14 +00:00
irq-tb10x.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
irq-tegra.c irqchip: Mask the non-type/sense bits when translating an IRQ 2016-05-11 10:12:41 +01:00
irq-ts4800.c irqchip/ts4800: Make ts4800_ic_ops static const 2016-02-18 02:09:18 +00:00
irq-versatile-fpga.c irqchip: versatile-fpga: add new compatible for OX810SE SoC 2016-04-26 09:50:51 +02:00
irq-vf610-mscm-ir.c irqchip: Convert all alloc/xlate users from of_node to fwnode 2015-10-13 19:01:23 +02:00
irq-vic.c irqchip: Kill off set_irq_flags usage 2015-09-16 16:53:38 +02:00
irq-vt8500.c irqchip: Kill off set_irq_flags usage 2015-09-16 16:53:38 +02:00
irq-xtensa-mx.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-xtensa-pic.c irqchip: Prepare for local stub header removal 2015-07-11 23:14:23 +02:00
irq-zevio.c irqchip/zevio: Use irq_data_get_chip_type() helper 2015-12-30 18:29:02 +01:00
irqchip.c irqchip / GIC: Convert the GIC driver to ACPI probing 2015-10-01 02:18:38 +02:00
Kconfig irqchip/gic: Add platform driver for non-root GICs that require RPM 2016-06-13 11:53:52 +01:00
Makefile irqchip/gic: Add platform driver for non-root GICs that require RPM 2016-06-13 11:53:52 +01:00
spear-shirq.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00