fixed_config.h File Reference

#include <asm/sysreg.h>

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Macros
#define	PVM_ID_AA64PFR0_ALLOW
#define	PVM_ID_AA64PFR0_RESTRICT_UNSIGNED
#define	PVM_ID_AA64PFR1_ALLOW
#define	PVM_ID_AA64PFR2_ALLOW   0ULL
#define	PVM_ID_AA64MMFR0_ALLOW
#define	PVM_ID_AA64MMFR0_RESTRICT_UNSIGNED
#define	PVM_ID_AA64MMFR1_ALLOW
#define	PVM_ID_AA64MMFR2_ALLOW
#define	PVM_ID_AA64MMFR3_ALLOW   (0ULL)
#define	PVM_ID_AA64ZFR0_ALLOW   (0ULL)
#define	PVM_ID_AA64DFR0_ALLOW   (0ULL)
#define	PVM_ID_AA64DFR1_ALLOW   (0ULL)
#define	PVM_ID_AA64AFR0_ALLOW   (0ULL)
#define	PVM_ID_AA64AFR1_ALLOW   (0ULL)
#define	PVM_ID_AA64ISAR0_ALLOW
#define	PVM_ID_AA64ISAR1_RESTRICT_UNSIGNED
#define	PVM_ID_AA64ISAR2_RESTRICT_UNSIGNED
#define	PVM_ID_AA64ISAR1_ALLOW
#define	PVM_ID_AA64ISAR2_ALLOW

Functions
u64	pvm_read_id_reg (const struct kvm_vcpu *vcpu, u32 id)
bool	kvm_handle_pvm_sysreg (struct kvm_vcpu *vcpu, u64 *exit_code)
bool	kvm_handle_pvm_restricted (struct kvm_vcpu *vcpu, u64 *exit_code)
int	kvm_check_pvm_sysreg_table (void)

Macro Definition Documentation

PVM_ID_AA64AFR0_ALLOW

#define PVM_ID_AA64AFR0_ALLOW   (0ULL)

Definition at line 164 of file fixed_config.h.

PVM_ID_AA64AFR1_ALLOW

#define PVM_ID_AA64AFR1_ALLOW   (0ULL)

Definition at line 165 of file fixed_config.h.

PVM_ID_AA64DFR0_ALLOW

#define PVM_ID_AA64DFR0_ALLOW   (0ULL)

Definition at line 158 of file fixed_config.h.

PVM_ID_AA64DFR1_ALLOW

#define PVM_ID_AA64DFR1_ALLOW   (0ULL)

Definition at line 159 of file fixed_config.h.

PVM_ID_AA64ISAR0_ALLOW

#define PVM_ID_AA64ISAR0_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_AES) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_SHA1) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_SHA2) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_CRC32) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_ATOMIC) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_RDM) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_SHA3) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_SM3) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_SM4) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_DP) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_FHM) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_TS) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_TLB) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR0_EL1_RNDR) \
    )

Definition at line 170 of file fixed_config.h.

PVM_ID_AA64ISAR1_ALLOW

#define PVM_ID_AA64ISAR1_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_DPB) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_JSCVT) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_FCMA) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_LRCPC) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_GPA) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_GPI) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_FRINTTS) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_SB) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_SPECRES) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_BF16) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_DGH) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_I8MM) \
    )

Definition at line 197 of file fixed_config.h.

PVM_ID_AA64ISAR1_RESTRICT_UNSIGNED

#define PVM_ID_AA64ISAR1_RESTRICT_UNSIGNED

Value:

    (\
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_APA), ID_AA64ISAR1_EL1_APA_PAuth) | \
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64ISAR1_EL1_API), ID_AA64ISAR1_EL1_API_PAuth) \
    )

Definition at line 188 of file fixed_config.h.

PVM_ID_AA64ISAR2_ALLOW

#define PVM_ID_AA64ISAR2_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64ISAR2_EL1_ATS1A)| \
    ARM64_FEATURE_MASK(ID_AA64ISAR2_EL1_GPA3) | \
    ARM64_FEATURE_MASK(ID_AA64ISAR2_EL1_MOPS) \
    )

Definition at line 212 of file fixed_config.h.

PVM_ID_AA64ISAR2_RESTRICT_UNSIGNED

#define PVM_ID_AA64ISAR2_RESTRICT_UNSIGNED

Value:

    (\
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64ISAR2_EL1_APA3), ID_AA64ISAR2_EL1_APA3_PAuth) \
    )

Definition at line 193 of file fixed_config.h.

PVM_ID_AA64MMFR0_ALLOW

#define PVM_ID_AA64MMFR0_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_BIGEND) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_SNSMEM) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_BIGENDEL0) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_EXS) \
    )

Definition at line 81 of file fixed_config.h.

PVM_ID_AA64MMFR0_RESTRICT_UNSIGNED

#define PVM_ID_AA64MMFR0_RESTRICT_UNSIGNED

Value:

    (\
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_PARANGE), ID_AA64MMFR0_EL1_PARANGE_40) | \
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_ASIDBITS), ID_AA64MMFR0_EL1_ASIDBITS_16) \
    )

Definition at line 93 of file fixed_config.h.

PVM_ID_AA64MMFR1_ALLOW

#define PVM_ID_AA64MMFR1_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_HAFDBS) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_VMIDBits) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_HPDS) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_PAN) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_SpecSEI) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_ETS) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_CMOW) \
    )

Definition at line 108 of file fixed_config.h.

PVM_ID_AA64MMFR2_ALLOW

#define PVM_ID_AA64MMFR2_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_CnP) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_UAO) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_IESB) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_AT) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_IDS) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_TTL) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_BBM) | \
    ARM64_FEATURE_MASK(ID_AA64MMFR2_EL1_E0PD) \
    )

Definition at line 129 of file fixed_config.h.

PVM_ID_AA64MMFR3_ALLOW

#define PVM_ID_AA64MMFR3_ALLOW   (0ULL)

Definition at line 140 of file fixed_config.h.

PVM_ID_AA64PFR0_ALLOW

#define PVM_ID_AA64PFR0_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_FP) | \
    ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_AdvSIMD) | \
    ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_DIT) | \
    ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_CSV2) | \
    ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_CSV3) \
    )

Definition at line 38 of file fixed_config.h.

PVM_ID_AA64PFR0_RESTRICT_UNSIGNED

#define PVM_ID_AA64PFR0_RESTRICT_UNSIGNED

Value:

    (\
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL0), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL1), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL2), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_EL3), ID_AA64PFR0_EL1_ELx_64BIT_ONLY) | \
    FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1_RAS), ID_AA64PFR0_EL1_RAS_IMP) \
    )

Definition at line 54 of file fixed_config.h.

PVM_ID_AA64PFR1_ALLOW

#define PVM_ID_AA64PFR1_ALLOW

Value:

    (\
    ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_BT) | \
    ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_SSBS) \
    )

Definition at line 67 of file fixed_config.h.

PVM_ID_AA64PFR2_ALLOW

#define PVM_ID_AA64PFR2_ALLOW   0ULL

Definition at line 72 of file fixed_config.h.

PVM_ID_AA64ZFR0_ALLOW

#define PVM_ID_AA64ZFR0_ALLOW   (0ULL)

Definition at line 147 of file fixed_config.h.

Function Documentation

kvm_check_pvm_sysreg_table()

int kvm_check_pvm_sysreg_table

(

void

)

Definition at line 456 of file sys_regs.c.

{
    unsigned int i;
 
    for (i = 1; i < ARRAY_SIZE(pvm_sys_reg_descs); i++) {
        if (cmp_sys_reg(&pvm_sys_reg_descs[i-1], &pvm_sys_reg_descs[i]) >= 0)
            return 1;
    }
 
    return 0;
}

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kvm_handle_pvm_restricted()

bool kvm_handle_pvm_restricted	(	struct kvm_vcpu *	vcpu,
		u64 *	exit_code
	)

Definition at line 512 of file sys_regs.c.

{
    inject_undef64(vcpu);
    return true;
}

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kvm_handle_pvm_sysreg()

bool kvm_handle_pvm_sysreg	(	struct kvm_vcpu *	vcpu,
		u64 *	exit_code
	)

Definition at line 474 of file sys_regs.c.

{
    const struct sys_reg_desc *r;
    struct sys_reg_params params;
    unsigned long esr = kvm_vcpu_get_esr(vcpu);
    int Rt = kvm_vcpu_sys_get_rt(vcpu);
 
    params = esr_sys64_to_params(esr);
    params.regval = vcpu_get_reg(vcpu, Rt);
 
    r = find_reg(&params, pvm_sys_reg_descs, ARRAY_SIZE(pvm_sys_reg_descs));
 
    /* Undefined (RESTRICTED). */
    if (r == NULL) {
        inject_undef64(vcpu);
        return true;
    }
 
    /* Handled by the host (HOST_HANDLED) */
    if (r->access == NULL)
        return false;
 
    /* Handled by hyp: skip instruction if instructed to do so. */
    if (r->access(vcpu, &params, r))
        __kvm_skip_instr(vcpu);
 
    if (!params.is_write)
        vcpu_set_reg(vcpu, Rt, params.regval);
 
    return true;
}

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pvm_read_id_reg()

u64 pvm_read_id_reg	(	const struct kvm_vcpu *	vcpu,
		u32	id
	)

Definition at line 208 of file sys_regs.c.

{
    switch (id) {
    case SYS_ID_AA64PFR0_EL1:
        return get_pvm_id_aa64pfr0(vcpu);
    case SYS_ID_AA64PFR1_EL1:
        return get_pvm_id_aa64pfr1(vcpu);
    case SYS_ID_AA64ZFR0_EL1:
        return get_pvm_id_aa64zfr0(vcpu);
    case SYS_ID_AA64DFR0_EL1:
        return get_pvm_id_aa64dfr0(vcpu);
    case SYS_ID_AA64DFR1_EL1:
        return get_pvm_id_aa64dfr1(vcpu);
    case SYS_ID_AA64AFR0_EL1:
        return get_pvm_id_aa64afr0(vcpu);
    case SYS_ID_AA64AFR1_EL1:
        return get_pvm_id_aa64afr1(vcpu);
    case SYS_ID_AA64ISAR0_EL1:
        return get_pvm_id_aa64isar0(vcpu);
    case SYS_ID_AA64ISAR1_EL1:
        return get_pvm_id_aa64isar1(vcpu);
    case SYS_ID_AA64ISAR2_EL1:
        return get_pvm_id_aa64isar2(vcpu);
    case SYS_ID_AA64MMFR0_EL1:
        return get_pvm_id_aa64mmfr0(vcpu);
    case SYS_ID_AA64MMFR1_EL1:
        return get_pvm_id_aa64mmfr1(vcpu);
    case SYS_ID_AA64MMFR2_EL1:
        return get_pvm_id_aa64mmfr2(vcpu);
    default:
        /* Unhandled ID register, RAZ */
        return 0;
    }
}

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