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Andrew Cooper
a270d09bc0
Save/restore records common to all x86 domain types (HVM, PV). This is only the TSC_INFO record. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#include "xc_sr_common_x86.h"
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int write_tsc_info(struct xc_sr_context *ctx)
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{
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xc_interface *xch = ctx->xch;
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struct xc_sr_rec_tsc_info tsc = { 0 };
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struct xc_sr_record rec =
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{
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.type = REC_TYPE_TSC_INFO,
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.length = sizeof(tsc),
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.data = &tsc
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};
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if ( xc_domain_get_tsc_info(xch, ctx->domid, &tsc.mode,
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&tsc.nsec, &tsc.khz, &tsc.incarnation) < 0 )
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{
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PERROR("Unable to obtain TSC information");
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return -1;
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}
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return write_record(ctx, &rec);
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}
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int handle_tsc_info(struct xc_sr_context *ctx, struct xc_sr_record *rec)
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{
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xc_interface *xch = ctx->xch;
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struct xc_sr_rec_tsc_info *tsc = rec->data;
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if ( rec->length != sizeof(*tsc) )
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{
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ERROR("TSC_INFO record wrong size: length %u, expected %zu",
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rec->length, sizeof(*tsc));
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return -1;
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}
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if ( xc_domain_set_tsc_info(xch, ctx->domid, tsc->mode,
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tsc->nsec, tsc->khz, tsc->incarnation) )
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{
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PERROR("Unable to set TSC information");
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return -1;
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}
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return 0;
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}
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/*
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* Local variables:
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* mode: C
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* c-file-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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