[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v20 07/13] x86/hvm: Introduce viridian_save_vcpu_ctxt_one() func
This is used to save data from a single instance. Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx> Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx> --- Changes since V14: - Moved all the operations in the initializer. --- xen/arch/x86/hvm/viridian.c | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/xen/arch/x86/hvm/viridian.c b/xen/arch/x86/hvm/viridian.c index a23d0876c4..2df0127a46 100644 --- a/xen/arch/x86/hvm/viridian.c +++ b/xen/arch/x86/hvm/viridian.c @@ -1030,24 +1030,32 @@ static int viridian_load_domain_ctxt(struct domain *d, hvm_domain_context_t *h) HVM_REGISTER_SAVE_RESTORE(VIRIDIAN_DOMAIN, viridian_save_domain_ctxt, viridian_load_domain_ctxt, 1, HVMSR_PER_DOM); -static int viridian_save_vcpu_ctxt(struct domain *d, hvm_domain_context_t *h) +static int viridian_save_vcpu_ctxt_one(struct vcpu *v, hvm_domain_context_t *h) { - struct vcpu *v; + struct hvm_viridian_vcpu_context ctxt = { + .vp_assist_msr = v->arch.hvm.viridian.vp_assist.msr.raw, + .vp_assist_pending = v->arch.hvm.viridian.vp_assist.pending, + }; - if ( !is_viridian_domain(d) ) + if ( !is_viridian_domain(v->domain) ) return 0; - for_each_vcpu( d, v ) { - struct hvm_viridian_vcpu_context ctxt = { - .vp_assist_msr = v->arch.hvm.viridian.vp_assist.msr.raw, - .vp_assist_pending = v->arch.hvm.viridian.vp_assist.pending, - }; + return hvm_save_entry(VIRIDIAN_VCPU, v->vcpu_id, h, &ctxt); +} + +static int viridian_save_vcpu_ctxt(struct domain *d, hvm_domain_context_t *h) +{ + struct vcpu *v; + int err = 0; - if ( hvm_save_entry(VIRIDIAN_VCPU, v->vcpu_id, h, &ctxt) != 0 ) - return 1; + for_each_vcpu ( d, v ) + { + err = viridian_save_vcpu_ctxt_one(v, h); + if ( err ) + break; } - return 0; + return err; } static int viridian_load_vcpu_ctxt(struct domain *d, hvm_domain_context_t *h) -- 2.17.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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