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Merge branch 'irq/gic-v4.1' into irq/irqchip-next

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Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier
2020-03-24 12:43:47 +00:00
parent 00760d3cd9 009384b380
commit 771df8cf0b
9 changed files with 600 additions and 55 deletions
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2
include/linux/irqchip/arm-gic-common.h
View File

@@ -32,6 +32,8 @@ struct gic_kvm_info {
struct resource vctrl;
/* vlpi support */
bool has_v4;
/* rvpeid support */
bool has_v4_1;
};
const struct gic_kvm_info *gic_get_kvm_info(void);

20
include/linux/irqchip/arm-gic-v3.h
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@@ -57,6 +57,7 @@
#define GICD_SPENDSGIR 0x0F20
#define GICD_CTLR_RWP (1U << 31)
#define GICD_CTLR_nASSGIreq (1U << 8)
#define GICD_CTLR_DS (1U << 6)
#define GICD_CTLR_ARE_NS (1U << 4)
#define GICD_CTLR_ENABLE_G1A (1U << 1)
@@ -90,6 +91,7 @@
#define GICD_TYPER_ESPIS(typer) \
(((typer) & GICD_TYPER_ESPI) ? GICD_TYPER_SPIS((typer) >> 27) : 0)
#define GICD_TYPER2_nASSGIcap (1U << 8)
#define GICD_TYPER2_VIL (1U << 7)
#define GICD_TYPER2_VID GENMASK(4, 0)
@@ -346,6 +348,15 @@
#define GICR_VPENDBASER_4_1_VGRP1EN (1ULL << 58)
#define GICR_VPENDBASER_4_1_VPEID GENMASK_ULL(15, 0)
#define GICR_VSGIR 0x0080
#define GICR_VSGIR_VPEID GENMASK(15, 0)
#define GICR_VSGIPENDR 0x0088
#define GICR_VSGIPENDR_BUSY (1U << 31)
#define GICR_VSGIPENDR_PENDING GENMASK(15, 0)
/*
* ITS registers, offsets from ITS_base
*/
@@ -369,6 +380,11 @@
#define GITS_TRANSLATER 0x10040
#define GITS_SGIR 0x20020
#define GITS_SGIR_VPEID GENMASK_ULL(47, 32)
#define GITS_SGIR_VINTID GENMASK_ULL(3, 0)
#define GITS_CTLR_ENABLE (1U << 0)
#define GITS_CTLR_ImDe (1U << 1)
#define GITS_CTLR_ITS_NUMBER_SHIFT 4
@@ -503,8 +519,9 @@
#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)
/*
@@ -653,6 +670,7 @@
struct rdists {
struct {
raw_spinlock_t rd_lock;
void __iomem *rd_base;
struct page *pend_page;
phys_addr_t phys_base;

25
include/linux/irqchip/arm-gic-v4.h
View File

@@ -49,10 +49,22 @@ struct its_vpe {
};
/* GICv4.1 implementations */
struct {
struct fwnode_handle *fwnode;
struct irq_domain *sgi_domain;
struct {
u8 priority;
bool enabled;
bool group;
} sgi_config[16];
atomic_t vmapp_count;
};
};
/*
* Ensures mutual exclusion between affinity setting of the
* vPE and vLPI operations using vpe->col_idx.
*/
raw_spinlock_t vpe_lock;
/*
* This collection ID is used to indirect the target
* redistributor for this VPE. The ID itself isn't involved in
@@ -93,6 +105,7 @@ enum its_vcpu_info_cmd_type {
SCHEDULE_VPE,
DESCHEDULE_VPE,
INVALL_VPE,
PROP_UPDATE_VSGI,
};
struct its_cmd_info {
@@ -105,19 +118,27 @@ struct its_cmd_info {
bool g0en;
bool g1en;
};
struct {
u8 priority;
bool group;
};
};
};
int its_alloc_vcpu_irqs(struct its_vm *vm);
void its_free_vcpu_irqs(struct its_vm *vm);
int its_schedule_vpe(struct its_vpe *vpe, bool on);
int its_make_vpe_resident(struct its_vpe *vpe, bool g0en, bool g1en);
int its_make_vpe_non_resident(struct its_vpe *vpe, bool db);
int its_invall_vpe(struct its_vpe *vpe);
int its_map_vlpi(int irq, struct its_vlpi_map *map);
int its_get_vlpi(int irq, struct its_vlpi_map *map);
int its_unmap_vlpi(int irq);
int its_prop_update_vlpi(int irq, u8 config, bool inv);
int its_prop_update_vsgi(int irq, u8 priority, bool group);
struct irq_domain_ops;
int its_init_v4(struct irq_domain *domain, const struct irq_domain_ops *ops);
int its_init_v4(struct irq_domain *domain,
const struct irq_domain_ops *vpe_ops,
const struct irq_domain_ops *sgi_ops);
#endif