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-rw-r--r--virt/kvm/arm/vgic/vgic-mmio.h227
1 files changed, 0 insertions, 227 deletions
diff --git a/virt/kvm/arm/vgic/vgic-mmio.h b/virt/kvm/arm/vgic/vgic-mmio.h
deleted file mode 100644
index fefcca2b14dc..000000000000
--- a/virt/kvm/arm/vgic/vgic-mmio.h
+++ /dev/null
@@ -1,227 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2015, 2016 ARM Ltd.
- */
-#ifndef __KVM_ARM_VGIC_MMIO_H__
-#define __KVM_ARM_VGIC_MMIO_H__
-
-struct vgic_register_region {
- unsigned int reg_offset;
- unsigned int len;
- unsigned int bits_per_irq;
- unsigned int access_flags;
- union {
- unsigned long (*read)(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len);
- unsigned long (*its_read)(struct kvm *kvm, struct vgic_its *its,
- gpa_t addr, unsigned int len);
- };
- union {
- void (*write)(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len, unsigned long val);
- void (*its_write)(struct kvm *kvm, struct vgic_its *its,
- gpa_t addr, unsigned int len,
- unsigned long val);
- };
- unsigned long (*uaccess_read)(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len);
- union {
- int (*uaccess_write)(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len, unsigned long val);
- int (*uaccess_its_write)(struct kvm *kvm, struct vgic_its *its,
- gpa_t addr, unsigned int len,
- unsigned long val);
- };
-};
-
-extern struct kvm_io_device_ops kvm_io_gic_ops;
-
-#define VGIC_ACCESS_8bit 1
-#define VGIC_ACCESS_32bit 2
-#define VGIC_ACCESS_64bit 4
-
-/*
- * Generate a mask that covers the number of bytes required to address
- * up to 1024 interrupts, each represented by <bits> bits. This assumes
- * that <bits> is a power of two.
- */
-#define VGIC_ADDR_IRQ_MASK(bits) (((bits) * 1024 / 8) - 1)
-
-/*
- * (addr & mask) gives us the _byte_ offset for the INT ID.
- * We multiply this by 8 the get the _bit_ offset, then divide this by
- * the number of bits to learn the actual INT ID.
- * But instead of a division (which requires a "long long div" implementation),
- * we shift by the binary logarithm of <bits>.
- * This assumes that <bits> is a power of two.
- */
-#define VGIC_ADDR_TO_INTID(addr, bits) (((addr) & VGIC_ADDR_IRQ_MASK(bits)) * \
- 8 >> ilog2(bits))
-
-/*
- * Some VGIC registers store per-IRQ information, with a different number
- * of bits per IRQ. For those registers this macro is used.
- * The _WITH_LENGTH version instantiates registers with a fixed length
- * and is mutually exclusive with the _PER_IRQ version.
- */
-#define REGISTER_DESC_WITH_BITS_PER_IRQ(off, rd, wr, ur, uw, bpi, acc) \
- { \
- .reg_offset = off, \
- .bits_per_irq = bpi, \
- .len = bpi * 1024 / 8, \
- .access_flags = acc, \
- .read = rd, \
- .write = wr, \
- .uaccess_read = ur, \
- .uaccess_write = uw, \
- }
-
-#define REGISTER_DESC_WITH_LENGTH(off, rd, wr, length, acc) \
- { \
- .reg_offset = off, \
- .bits_per_irq = 0, \
- .len = length, \
- .access_flags = acc, \
- .read = rd, \
- .write = wr, \
- }
-
-#define REGISTER_DESC_WITH_LENGTH_UACCESS(off, rd, wr, urd, uwr, length, acc) \
- { \
- .reg_offset = off, \
- .bits_per_irq = 0, \
- .len = length, \
- .access_flags = acc, \
- .read = rd, \
- .write = wr, \
- .uaccess_read = urd, \
- .uaccess_write = uwr, \
- }
-
-unsigned long vgic_data_mmio_bus_to_host(const void *val, unsigned int len);
-
-void vgic_data_host_to_mmio_bus(void *buf, unsigned int len,
- unsigned long data);
-
-unsigned long extract_bytes(u64 data, unsigned int offset,
- unsigned int num);
-
-u64 update_64bit_reg(u64 reg, unsigned int offset, unsigned int len,
- unsigned long val);
-
-unsigned long vgic_mmio_read_raz(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-unsigned long vgic_mmio_read_rao(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-void vgic_mmio_write_wi(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len, unsigned long val);
-
-int vgic_mmio_uaccess_write_wi(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len, unsigned long val);
-
-unsigned long vgic_mmio_read_group(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len);
-
-void vgic_mmio_write_group(struct kvm_vcpu *vcpu, gpa_t addr,
- unsigned int len, unsigned long val);
-
-unsigned long vgic_mmio_read_enable(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-void vgic_mmio_write_senable(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-void vgic_mmio_write_cenable(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-int vgic_uaccess_write_senable(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-int vgic_uaccess_write_cenable(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-unsigned long vgic_mmio_read_pending(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-void vgic_mmio_write_spending(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-void vgic_mmio_write_cpending(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-int vgic_uaccess_write_spending(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-int vgic_uaccess_write_cpending(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-unsigned long vgic_mmio_read_active(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-unsigned long vgic_uaccess_read_active(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-void vgic_mmio_write_cactive(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-void vgic_mmio_write_sactive(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-int vgic_mmio_uaccess_write_cactive(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-int vgic_mmio_uaccess_write_sactive(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-unsigned long vgic_mmio_read_priority(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-void vgic_mmio_write_priority(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-unsigned long vgic_mmio_read_config(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len);
-
-void vgic_mmio_write_config(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len,
- unsigned long val);
-
-int vgic_uaccess(struct kvm_vcpu *vcpu, struct vgic_io_device *dev,
- bool is_write, int offset, u32 *val);
-
-u64 vgic_read_irq_line_level_info(struct kvm_vcpu *vcpu, u32 intid);
-
-void vgic_write_irq_line_level_info(struct kvm_vcpu *vcpu, u32 intid,
- const u64 val);
-
-unsigned int vgic_v2_init_dist_iodev(struct vgic_io_device *dev);
-
-unsigned int vgic_v3_init_dist_iodev(struct vgic_io_device *dev);
-
-u64 vgic_sanitise_outer_cacheability(u64 reg);
-u64 vgic_sanitise_inner_cacheability(u64 reg);
-u64 vgic_sanitise_shareability(u64 reg);
-u64 vgic_sanitise_field(u64 reg, u64 field_mask, int field_shift,
- u64 (*sanitise_fn)(u64));
-
-/* Find the proper register handler entry given a certain address offset */
-const struct vgic_register_region *
-vgic_find_mmio_region(const struct vgic_register_region *regions,
- int nr_regions, unsigned int offset);
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-15 14:39:15 +0000