a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * CDDL HEADER START
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * The contents of this file are subject to the terms of the
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Common Development and Distribution License (the "License").
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * You may not use this file except in compliance with the License.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * See the License for the specific language governing permissions
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * and limitations under the License.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * When distributing Covered Code, include this CDDL HEADER in each
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * If applicable, add the following below this CDDL HEADER, with the
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * fields enclosed by brackets "[]" replaced with your own identifying
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * information: Portions Copyright [yyyy] [name of copyright owner]
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * CDDL HEADER END
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Use is subject to license terms.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Copyright (c) 2010, Intel Corporation.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * All rights reserved.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * DR memory support routines.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu/* TODO: push this reference below drmach line */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu/* for the DR*INTERNAL_ERROR macros. see sys/dr.h. */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liustatic void dr_init_mem_unit_data(dr_mem_unit_t *mp);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu#define DR_MFLAG_RESERVED 0x01 /* mem unit reserved for delete */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu#define DR_MFLAG_SOURCE 0x02 /* source brd of copy/rename op */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu#define DR_MFLAG_TARGET 0x04 /* target brd of copy/rename op */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu#define DR_MFLAG_RELOWNER 0x20 /* memory release (delete) owner */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu#define DR_MFLAG_RELDONE 0x40 /* memory release (delete) done */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu/* helper macros */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liustatic struct memlist *
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu PR_MEM("%s for %s...\n", f, mp->sbm_cm.sbdev_path);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Return cached memlist, if present.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * This memlist will be present following an
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * unconfigure (a.k.a: detach) of this memunit.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * It should only be used in the case were a configure
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * is bringing this memunit back in without going
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * through the disconnect and connect states.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* attempt to construct a memlist using phys_install */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* round down to slice base address */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* get a copy of phys_install to edit */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* trim lower irrelevant span */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* trim upper irrelevant span */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* successfully built a memlist */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu PR_MEM("%s: derived memlist from phys_install\n", f);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* if no mlist yet, try platform layer */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu PR_MEM("%s: memlist for %s\n", f, mp->sbm_cm.sbdev_path);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_attach_mem(dr_handle_t *hp, dr_common_unit_t *cp)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* Skip memory with address above plat_dr_physmax or kpm_size */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu dr_physmax = plat_dr_physmax ? ptob(plat_dr_physmax) : UINT64_MAX;
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu ml = memlist_del_span(ml, dr_physmax, UINT64_MAX - dr_physmax);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * translate kphysm error and
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * store in devlist error
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu mp->sbm_cm.sbdev_id, mc->ml_address, mc->ml_size);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* back out if configure failed */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_detach_mem(dr_handle_t *hp, dr_common_unit_t *cp)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * This routine acts as a wrapper for kphysm_del_span_query in order to
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * support potential memory holes in a board's physical address space.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * It calls kphysm_del_span_query for each node in a memlist and accumulates
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * the results in *mp.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_del_mlist_query(struct memlist *mlist, memquery_t *mp)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu cmn_err(CE_WARN, "dr_del_mlist_query: mlist=NULL\n");
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * NOTE: This routine is only partially smart about multiple
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * mem-units. Need to make mem-status structure smart
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * about them also.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_mem_status(dr_handle_t *hp, dr_devset_t devset, sbd_dev_stat_t *dsp)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu for (m = mix = 0; m < MAX_MEM_UNITS_PER_BOARD; m++) {
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* present, but not fully initialized */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* fetch platform status */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu (void) strlcpy(msp->ms_cm.c_id.c_name, pstat.type,
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu msp->ms_cm.c_busy = mp->sbm_cm.sbdev_busy | pstat.busy;
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * b_dip doesn't have to be held for ddi_pathname()
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * because the board struct (dr_board_t) will be
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * destroyed before b_dip detaches.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * kphysm_del_span_query can report non-reloc pages = total
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * pages for memory that is not yet configured
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu if (mp->sbm_cm.sbdev_state != DR_STATE_UNCONFIGURED) {
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Check source unit state during copy-rename
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu (mp->sbm_cm.sbdev_state == DR_STATE_UNREFERENCED ||
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_pre_attach_mem(dr_handle_t *hp, dr_common_unit_t **devlist, int devnum)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu for (d = 0; d < devnum; d++) {
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu cmn_err(CE_CONT, "OS configure %s", mp->sbm_cm.sbdev_path);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* use memlist cached by dr_post_detach_mem_unit */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu PR_MEM("%s: re-configuring cached memlist for %s:\n",
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* kphysm del handle should be have been freed */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /*FALLTHROUGH*/
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* exit for loop if error encountered */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_post_attach_mem(dr_handle_t *hp, dr_common_unit_t **devlist, int devnum)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu for (d = 0; d < devnum; d++) {
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Verify the memory really did successfully attach
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * by checking for its existence in phys_install.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu if (memlist_intersect(phys_install, mlist) == 0) {
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Destroy cached memlist, if any.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * There will be a cached memlist in sbm_mlist if
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * this board is being configured directly after
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * an unconfigure.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * To support this transition, dr_post_detach_mem
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * left a copy of the last known memlist in sbm_mlist.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * This memlist could differ from any derived from
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * hardware if while this memunit was last configured
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * the system detected and deleted bad pages from
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * phys_install. The location of those bad pages
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * will be reflected in the cached memlist.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_pre_detach_mem(dr_handle_t *hp, dr_common_unit_t **devlist, int devnum)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu return (-1);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_post_detach_mem(dr_handle_t *hp, dr_common_unit_t **devlist, int devnum)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu return (-1);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * Successful return from this function will have the memory
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * handle in bp->b_dev[..mem-unit...].sbm_memhandle allocated
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * and waiting. This routine's job is to select the memory that
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * actually has to be released (detached) which may not necessarily
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * be the same memory node that came in in devlist[],
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu * i.e. a copy-rename is needed.
a31148363f598def767ac48c5d82e1572e44b935Gerry Liudr_pre_release_mem(dr_handle_t *hp, dr_common_unit_t **devlist, int devnum)
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu return (-1);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu return (-1);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu return (-1);
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu } else if (mp->sbm_cm.sbdev_id != (drmachid_t)0) {
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* delay transition until fully initialized */
a31148363f598def767ac48c5d82e1572e44b935Gerry Liu /* a little sanity checking */