target/i386: sev: Remove redundant policy field
SEVState::policy is set from the final value of the policy field in the parameter structure for the KVM_SEV_LAUNCH_START ioctl(). But, AFAICT that ioctl() won't ever change it from the original supplied value which comes from SevGuestState::policy. So, remove this field and just use SevGuestState::policy directly. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200604064219.436242-8-david@gibson.dropbear.id.au> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -39,7 +39,6 @@ struct SEVState {
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uint8_t api_major;
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uint8_t api_minor;
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uint8_t build_id;
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uint32_t policy;
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uint64_t me_mask;
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uint32_t handle;
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int sev_fd;
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@ -397,7 +396,7 @@ sev_get_info(void)
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info->api_major = sev_guest->state.api_major;
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info->api_minor = sev_guest->state.api_minor;
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info->build_id = sev_guest->state.build_id;
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info->policy = sev_guest->state.policy;
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info->policy = sev_guest->policy;
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info->state = sev_guest->state.state;
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info->handle = sev_guest->state.handle;
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}
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@ -520,8 +519,7 @@ sev_launch_start(SevGuestState *sev)
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start->handle = object_property_get_int(OBJECT(sev), "handle",
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&error_abort);
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start->policy = object_property_get_int(OBJECT(sev), "policy",
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&error_abort);
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start->policy = sev->policy;
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if (sev->session_file) {
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if (sev_read_file_base64(sev->session_file, &session, &sz) < 0) {
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goto out;
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@ -550,7 +548,6 @@ sev_launch_start(SevGuestState *sev)
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&error_abort);
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sev_set_guest_state(sev, SEV_STATE_LAUNCH_UPDATE);
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s->handle = start->handle;
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s->policy = start->policy;
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ret = 0;
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out:
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