mcamd_unumtopa.c revision 7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fe
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7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Use is subject to license terms.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#pragma ident "%Z%%M% %I% %E% SMI"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Given a unum including an offset calculate the associated system
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * address. This may be different to when the original PA to unum
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * calculation took place if interleave etc has changed.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindiextern int mc_offset_to_pa(struct mcamd_hdl *, mcamd_node_t *, mcamd_node_t *,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * The submitted unum must have the MC and DIMM numbers and an offset.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Any cs info it has will not be used - we will reconstruct cs info.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * This is because cs is not in the topology used for diagnosis.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindimcamd_unumtopa(struct mcamd_hdl *hdl, mcamd_node_t *root, struct mc_unum *unump,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi mcamd_dprintf(hdl, MCAMD_DBG_FLOW, "mcamd_unumtopa: chip %d "
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "mc %d dimm %d offset 0x%llx\n", unump->unum_chip, unump->unum_mc,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi mcamd_dprintf(hdl, MCAMD_DBG_FLOW, "Offset invalid\n");
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Search current config for a MC number matching the chip in the
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * unum. MC property num is by chip, not MC on chip.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (!mcamd_get_numprop(hdl, mc, MCAMD_PROP_NUM, &num) ||
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi !mcamd_get_numprop(hdl, mc, MCAMD_PROP_DRAM_HOLE, &hole)) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Search DIMMs of this MC. We can match against the
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * first dimm in the unum - if there is more than one they all
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * share the same chip-selects anyway and the pa we will resolve
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * to is not finer grained than the 128-bits of a dimm pair.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi for (dimm = mcamd_dimm_next(hdl, mc, NULL); dimm != NULL;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (!mcamd_get_numprop(hdl, dimm, MCAMD_PROP_NUM, &num)) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "failed to lookup num for dimm 0xx%p\n",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "no match for dimm %d cs %d on MC %d\n",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi unump->unum_dimms[0], unump->unum_cs, unump->unum_chip);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi mcamd_dprintf(hdl, MCAMD_DBG_FLOW, "mcamd_unumtopa: matched "
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "mc 0x%p dimm 0x%p; resolving offset 0x%llx\n",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (mc_offset_to_pa(hdl, mc, dimm, unump->unum_offset, pa) < 0) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "mc_offset_to_pa succeeded and returned pa=0x%llx: %\n",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * If this MC has a dram address hole just below 4GB then we must
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * hoist all address from the hole start upwards by the hole size
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi mcamd_dprintf(hdl, MCAMD_DBG_FLOW, "mcamd_untopa: hoist "
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "above dram hole of size 0x%llx to get pa=0x%llx",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (0);