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Searched refs:opregion (Results 1 – 2 of 2) sorted by relevance

/freebsd/usr.sbin/bhyve/amd64/
H A Dpci_gvt-d.c184 struct passthru_mmio_mapping *opregion; in gvt_d_setup_opregion() local
197 opregion = passthru_get_mmio(sc, GVT_D_MAP_OPREGION); in gvt_d_setup_opregion()
198 if (opregion == NULL) { in gvt_d_setup_opregion()
221 opregion->hpa = asls; in gvt_d_setup_opregion()
222 opregion->len = header->size * KB; in gvt_d_setup_opregion()
225 if (opregion->len != sizeof(struct igd_opregion)) { in gvt_d_setup_opregion()
227 opregion->len); in gvt_d_setup_opregion()
232 opregion->hva = mmap(NULL, opregion->len, PROT_READ, MAP_SHARED, memfd, in gvt_d_setup_opregion()
233 opregion->hpa); in gvt_d_setup_opregion()
234 if (opregion->hva == MAP_FAILED) { in gvt_d_setup_opregion()
[all …]
/freebsd/sys/contrib/dev/acpica/
H A Dchanges.txt313 well as the PCC channel index when the opregion handler is being executed
615 and has added the Cherry Trail specific UserDefined(0x93) opregion to its
669 Preserve memory opregion mappings. The ACPICA's strategy with respect to
678 For this reason, a one-page "window" is mapped for a given opregion on
680 address range accessed through that opregion subsequently, it is unmapped
682 not sufficient to access memory through the opregion in question in the
685 operations, for example if two fields in one opregion separated from each