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| author | Marc Zyngier <marc.zyngier@arm.com> | 2014-11-24 17:35:10 +0300 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-11-26 18:55:12 +0300 |
| commit | f5c1434c217fd72ac0d24d3142d09e49a3d4e72e (patch) | |
| tree | aecaafc7fe456cd46d2b6764ca7fcb870a3f4de6 /include/linux | |
| parent | 443acc4f37f61e343f3577dc28d7e7fd8b499465 (diff) | |
| download | linux-f5c1434c217fd72ac0d24d3142d09e49a3d4e72e.tar.xz | |
irqchip: GICv3: rework redistributor structure
The basic GICv3 driver has almost no use for the redistributor
(other than the basic per-CPU interrupts), but the ITS needs
a lot more from them.
As such, rework the set of data structures. The behaviour of the
GICv3 driver is otherwise unaffected.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1416839720-18400-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/irqchip/arm-gic-v3.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 03a4ea37ba86..040615a48bf5 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -49,6 +49,10 @@ #define GICD_CTLR_ENABLE_G1A (1U << 1) #define GICD_CTLR_ENABLE_G1 (1U << 0) +#define GICD_TYPER_ID_BITS(typer) ((((typer) >> 19) & 0x1f) + 1) +#define GICD_TYPER_IRQS(typer) ((((typer) & 0x1f) + 1) * 32) +#define GICD_TYPER_LPIS (1U << 17) + #define GICD_IROUTER_SPI_MODE_ONE (0U << 31) #define GICD_IROUTER_SPI_MODE_ANY (1U << 31) @@ -189,6 +193,17 @@ #include <linux/stringify.h> +struct rdists { + struct { + void __iomem *rd_base; + struct page *pend_page; + phys_addr_t phys_base; + } __percpu *rdist; + struct page *prop_page; + int id_bits; + u64 flags; +}; + static inline void gic_write_eoir(u64 irq) { asm volatile("msr_s " __stringify(ICC_EOIR1_EL1) ", %0" : : "r" (irq)); |