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irqchip fixes for v4.0 (round 2)

Browse source 
- GICv3 ITS
     - Small batch of fixes discovered while writing the kvm ITS emulation
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Merge tag 'irqchip-fixes-4.0-2' of git://git.infradead.org/users/jcooper/linux

Pull irqchip fixes from Jason Cooper:
 "This is the second round of fixes for irqchip.  It contains some fixes
  found while the arm64 guys were writing the kvm gicv3 its emulation.

  GICv3 ITS:
    - Small batch of fixes discovered while writing the kvm ITS emulation"

* tag 'irqchip-fixes-4.0-2' of git://git.infradead.org/users/jcooper/linux:
  irqchip: gicv3-its: Use non-cacheable accesses when no shareability
  irqchip: gicv3-its: Fix PROP/PEND and BASE/CBASE confusion
  irqchip: gicv3-its: Fix device ID encoding
  irqchip: gicv3-its: Fix encoding of collection's target redistributor
This commit is contained in:
Linus Torvalds 2015-04-02 16:37:56 -07:00
commit 4e8a4830dc
2 changed files with 65 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

17
include/linux/irqchip/arm-gic-v3.h
View file

@ -126,8 +126,23 @@
#define GICR_PROPBASER_WaWb (5U << 7)
#define GICR_PROPBASER_RaWaWt (6U << 7)
#define GICR_PROPBASER_RaWaWb (7U << 7)
#define GICR_PROPBASER_CACHEABILITY_MASK (7U << 7)
#define GICR_PROPBASER_IDBITS_MASK (0x1f)
#define GICR_PENDBASER_NonShareable (0U << 10)
#define GICR_PENDBASER_InnerShareable (1U << 10)
#define GICR_PENDBASER_OuterShareable (2U << 10)
#define GICR_PENDBASER_SHAREABILITY_MASK (3UL << 10)
#define GICR_PENDBASER_nCnB (0U << 7)
#define GICR_PENDBASER_nC (1U << 7)
#define GICR_PENDBASER_RaWt (2U << 7)
#define GICR_PENDBASER_RaWb (3U << 7)
#define GICR_PENDBASER_WaWt (4U << 7)
#define GICR_PENDBASER_WaWb (5U << 7)
#define GICR_PENDBASER_RaWaWt (6U << 7)
#define GICR_PENDBASER_RaWaWb (7U << 7)
#define GICR_PENDBASER_CACHEABILITY_MASK (7U << 7)
/*
* Re-Distributor registers, offsets from SGI_base
*/
@ -182,6 +197,7 @@
#define GITS_CBASER_WaWb (5UL << 59)
#define GITS_CBASER_RaWaWt (6UL << 59)
#define GITS_CBASER_RaWaWb (7UL << 59)
#define GITS_CBASER_CACHEABILITY_MASK (7UL << 59)
#define GITS_CBASER_NonShareable (0UL << 10)
#define GITS_CBASER_InnerShareable (1UL << 10)
#define GITS_CBASER_OuterShareable (2UL << 10)
@ -198,6 +214,7 @@
#define GITS_BASER_WaWb (5UL << 59)
#define GITS_BASER_RaWaWt (6UL << 59)
#define GITS_BASER_RaWaWb (7UL << 59)
#define GITS_BASER_CACHEABILITY_MASK (7UL << 59)
#define GITS_BASER_TYPE_SHIFT (56)
#define GITS_BASER_TYPE(r) (((r) >> GITS_BASER_TYPE_SHIFT) & 7)
#define GITS_BASER_ENTRY_SIZE_SHIFT (48)