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irqchip/gic-v4.1: Add initial SGI configuration

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The GICv4.1 ITS has yet another new command (VSGI) which allows
a VPE-targeted SGI to be configured (or have its pending state
cleared). Add support for this command and plumb it into the
activate irqdomain callback so that it is ready to be used.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20200304203330.4967-10-maz@kernel.org
This commit is contained in:
Marc Zyngier
2020-03-04 20:33:16 +00:00
parent 166cba7181
commit e252cf8a34
2 changed files with 93 additions and 2 deletions
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include/linux/irqchip/arm-gic-v3.h
+2 -1
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@@ -502,8 +502,9 @@
#define GITS_CMD_VMAPTI GITS_CMD_GICv4(GITS_CMD_MAPTI)
#define GITS_CMD_VMOVI GITS_CMD_GICv4(GITS_CMD_MOVI)
#define GITS_CMD_VSYNC GITS_CMD_GICv4(GITS_CMD_SYNC)
/* VMOVP and INVDB are the odd ones, as they dont have a physical counterpart */
/* VMOVP, VSGI and INVDB are the odd ones, as they dont have a physical counterpart */
#define GITS_CMD_VMOVP GITS_CMD_GICv4(2)
#define GITS_CMD_VSGI GITS_CMD_GICv4(3)
#define GITS_CMD_INVDB GITS_CMD_GICv4(0xe)
/*