3149 lines
100 KiB
C
3149 lines
100 KiB
C
/*-
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* Copyright (c) 2011-2015 LSI Corp.
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* Copyright (c) 2013-2016 Avago Technologies
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* Copyright 2000-2020 Broadcom Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Broadcom Inc. (LSI) MPT-Fusion Host Adapter FreeBSD
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/* TODO Move headers to mprvar */
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/kthread.h>
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#include <sys/taskqueue.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/sysctl.h>
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#include <sys/eventhandler.h>
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#include <sys/uio.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <dev/mpr/mpi/mpi2_type.h>
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#include <dev/mpr/mpi/mpi2.h>
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#include <dev/mpr/mpi/mpi2_ioc.h>
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#include <dev/mpr/mpi/mpi2_sas.h>
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#include <dev/mpr/mpi/mpi2_pci.h>
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#include <dev/mpr/mpi/mpi2_cnfg.h>
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#include <dev/mpr/mpi/mpi2_init.h>
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#include <dev/mpr/mpi/mpi2_tool.h>
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#include <dev/mpr/mpr_ioctl.h>
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#include <dev/mpr/mprvar.h>
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#include <dev/mpr/mpr_mapping.h>
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/**
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* _mapping_clear_map_entry - Clear a particular mapping entry.
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* @map_entry: map table entry
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*
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* Returns nothing.
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*/
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static inline void
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_mapping_clear_map_entry(struct dev_mapping_table *map_entry)
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{
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map_entry->physical_id = 0;
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map_entry->device_info = 0;
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map_entry->phy_bits = 0;
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map_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
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map_entry->dev_handle = 0;
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map_entry->id = -1;
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map_entry->missing_count = 0;
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map_entry->init_complete = 0;
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map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
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}
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/**
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* _mapping_clear_enc_entry - Clear a particular enclosure table entry.
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* @enc_entry: enclosure table entry
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*
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* Returns nothing.
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*/
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static inline void
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_mapping_clear_enc_entry(struct enc_mapping_table *enc_entry)
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{
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enc_entry->enclosure_id = 0;
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enc_entry->start_index = MPR_MAPTABLE_BAD_IDX;
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enc_entry->phy_bits = 0;
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enc_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
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enc_entry->enc_handle = 0;
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enc_entry->num_slots = 0;
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enc_entry->start_slot = 0;
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enc_entry->missing_count = 0;
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enc_entry->removal_flag = 0;
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enc_entry->skip_search = 0;
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enc_entry->init_complete = 0;
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}
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/**
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* _mapping_commit_enc_entry - write a particular enc entry in DPM page0.
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* @sc: per adapter object
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* @enc_entry: enclosure table entry
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*
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* Returns 0 for success, non-zero for failure.
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*/
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static int
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_mapping_commit_enc_entry(struct mpr_softc *sc,
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struct enc_mapping_table *et_entry)
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{
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Mpi2DriverMap0Entry_t *dpm_entry;
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struct dev_mapping_table *mt_entry;
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Mpi2ConfigReply_t mpi_reply;
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Mpi2DriverMappingPage0_t config_page;
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if (!sc->is_dpm_enable)
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return 0;
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memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
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memcpy(&config_page.Header, (u8 *) sc->dpm_pg0,
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sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
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dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
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sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
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dpm_entry += et_entry->dpm_entry_num;
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dpm_entry->PhysicalIdentifier.Low =
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( 0xFFFFFFFF & et_entry->enclosure_id);
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dpm_entry->PhysicalIdentifier.High =
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( et_entry->enclosure_id >> 32);
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mt_entry = &sc->mapping_table[et_entry->start_index];
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dpm_entry->DeviceIndex = htole16(mt_entry->id);
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dpm_entry->MappingInformation = et_entry->num_slots;
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dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
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dpm_entry->MappingInformation |= et_entry->missing_count;
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dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
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dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);
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dpm_entry->Reserved1 = 0;
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mpr_dprint(sc, MPR_MAPPING, "%s: Writing DPM entry %d for enclosure.\n",
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__func__, et_entry->dpm_entry_num);
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memcpy(&config_page.Entry, (u8 *)dpm_entry,
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sizeof(Mpi2DriverMap0Entry_t));
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if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
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et_entry->dpm_entry_num)) {
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mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: Write of DPM "
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"entry %d for enclosure failed.\n", __func__,
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et_entry->dpm_entry_num);
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dpm_entry->MappingInformation = le16toh(dpm_entry->
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MappingInformation);
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dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
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dpm_entry->PhysicalBitsMapping =
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le32toh(dpm_entry->PhysicalBitsMapping);
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return -1;
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}
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dpm_entry->MappingInformation = le16toh(dpm_entry->
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MappingInformation);
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dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
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dpm_entry->PhysicalBitsMapping =
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le32toh(dpm_entry->PhysicalBitsMapping);
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return 0;
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}
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/**
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* _mapping_commit_map_entry - write a particular map table entry in DPM page0.
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* @sc: per adapter object
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* @mt_entry: mapping table entry
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*
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* Returns 0 for success, non-zero for failure.
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*/
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static int
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_mapping_commit_map_entry(struct mpr_softc *sc,
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struct dev_mapping_table *mt_entry)
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{
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Mpi2DriverMap0Entry_t *dpm_entry;
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Mpi2ConfigReply_t mpi_reply;
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Mpi2DriverMappingPage0_t config_page;
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if (!sc->is_dpm_enable)
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return 0;
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/*
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* It's possible that this Map Entry points to a BAD DPM index. This
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* can happen if the Map Entry is a for a missing device and the DPM
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* entry that was being used by this device is now being used by some
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* new device. So, check for a BAD DPM index and just return if so.
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*/
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if (mt_entry->dpm_entry_num == MPR_DPM_BAD_IDX) {
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mpr_dprint(sc, MPR_MAPPING, "%s: DPM entry location for target "
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"%d is invalid. DPM will not be written.\n", __func__,
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mt_entry->id);
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return 0;
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}
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memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
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memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
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sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
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dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 +
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sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
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dpm_entry = dpm_entry + mt_entry->dpm_entry_num;
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dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &
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mt_entry->physical_id);
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dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);
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dpm_entry->DeviceIndex = htole16(mt_entry->id);
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dpm_entry->MappingInformation = htole16(mt_entry->missing_count);
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dpm_entry->PhysicalBitsMapping = 0;
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dpm_entry->Reserved1 = 0;
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memcpy(&config_page.Entry, (u8 *)dpm_entry,
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sizeof(Mpi2DriverMap0Entry_t));
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mpr_dprint(sc, MPR_MAPPING, "%s: Writing DPM entry %d for target %d.\n",
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__func__, mt_entry->dpm_entry_num, mt_entry->id);
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if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
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mt_entry->dpm_entry_num)) {
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mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: Write of DPM "
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"entry %d for target %d failed.\n", __func__,
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mt_entry->dpm_entry_num, mt_entry->id);
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dpm_entry->MappingInformation = le16toh(dpm_entry->
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MappingInformation);
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dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
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return -1;
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}
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dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
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dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
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return 0;
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}
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/**
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* _mapping_get_ir_maprange - get start and end index for IR map range.
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* @sc: per adapter object
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* @start_idx: place holder for start index
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* @end_idx: place holder for end index
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*
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* The IR volumes can be mapped either at start or end of the mapping table
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* this function gets the detail of where IR volume mapping starts and ends
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* in the device mapping table
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*
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* Returns nothing.
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*/
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static void
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_mapping_get_ir_maprange(struct mpr_softc *sc, u32 *start_idx, u32 *end_idx)
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{
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u16 volume_mapping_flags;
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u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
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volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
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MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
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if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
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*start_idx = 0;
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if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
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*start_idx = 1;
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} else
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*start_idx = sc->max_devices - sc->max_volumes;
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*end_idx = *start_idx + sc->max_volumes - 1;
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}
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/**
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* _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID
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* @sc: per adapter object
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* @enc_id: enclosure logical identifier
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*
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* Returns the index of enclosure entry on success or bad index.
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*/
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static u8
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_mapping_get_enc_idx_from_id(struct mpr_softc *sc, u64 enc_id,
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u64 phy_bits)
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{
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struct enc_mapping_table *et_entry;
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u8 enc_idx = 0;
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for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
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et_entry = &sc->enclosure_table[enc_idx];
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if ((et_entry->enclosure_id == le64toh(enc_id)) &&
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(!et_entry->phy_bits || (et_entry->phy_bits &
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le32toh(phy_bits))))
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return enc_idx;
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}
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return MPR_ENCTABLE_BAD_IDX;
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}
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/**
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* _mapping_get_enc_idx_from_handle - get enclosure index from handle
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* @sc: per adapter object
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* @enc_id: enclosure handle
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*
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* Returns the index of enclosure entry on success or bad index.
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*/
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static u8
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_mapping_get_enc_idx_from_handle(struct mpr_softc *sc, u16 handle)
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{
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struct enc_mapping_table *et_entry;
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u8 enc_idx = 0;
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for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
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et_entry = &sc->enclosure_table[enc_idx];
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if (et_entry->missing_count)
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continue;
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if (et_entry->enc_handle == handle)
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return enc_idx;
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}
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return MPR_ENCTABLE_BAD_IDX;
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}
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/**
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* _mapping_get_high_missing_et_idx - get missing enclosure index
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* @sc: per adapter object
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*
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* Search through the enclosure table and identifies the enclosure entry
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* with high missing count and returns it's index
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*
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* Returns the index of enclosure entry on success or bad index.
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*/
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static u8
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_mapping_get_high_missing_et_idx(struct mpr_softc *sc)
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{
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struct enc_mapping_table *et_entry;
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u8 high_missing_count = 0;
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u8 enc_idx, high_idx = MPR_ENCTABLE_BAD_IDX;
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for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
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et_entry = &sc->enclosure_table[enc_idx];
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if ((et_entry->missing_count > high_missing_count) &&
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!et_entry->skip_search) {
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high_missing_count = et_entry->missing_count;
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high_idx = enc_idx;
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}
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}
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return high_idx;
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}
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/**
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* _mapping_get_high_missing_mt_idx - get missing map table index
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* @sc: per adapter object
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*
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* Search through the map table and identifies the device entry
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* with high missing count and returns it's index
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*
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* Returns the index of map table entry on success or bad index.
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*/
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static u32
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_mapping_get_high_missing_mt_idx(struct mpr_softc *sc)
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{
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u32 map_idx, high_idx = MPR_MAPTABLE_BAD_IDX;
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u8 high_missing_count = 0;
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u32 start_idx, end_idx, start_idx_ir, end_idx_ir;
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struct dev_mapping_table *mt_entry;
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u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
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start_idx = 0;
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start_idx_ir = 0;
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end_idx_ir = 0;
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end_idx = sc->max_devices;
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if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
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start_idx = 1;
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if (sc->ir_firmware) {
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_mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
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if (start_idx == start_idx_ir)
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start_idx = end_idx_ir + 1;
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else
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end_idx = start_idx_ir;
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}
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mt_entry = &sc->mapping_table[start_idx];
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for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) {
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if (mt_entry->missing_count > high_missing_count) {
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high_missing_count = mt_entry->missing_count;
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high_idx = map_idx;
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}
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}
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return high_idx;
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}
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/**
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* _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
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* @sc: per adapter object
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* @wwid: world wide unique ID of the volume
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*
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* Returns the index of map table entry on success or bad index.
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*/
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static u32
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_mapping_get_ir_mt_idx_from_wwid(struct mpr_softc *sc, u64 wwid)
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{
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u32 start_idx, end_idx, map_idx;
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struct dev_mapping_table *mt_entry;
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_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
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mt_entry = &sc->mapping_table[start_idx];
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for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
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if (mt_entry->physical_id == wwid)
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return map_idx;
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return MPR_MAPTABLE_BAD_IDX;
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}
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/**
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* _mapping_get_mt_idx_from_id - get map table index from a device ID
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* @sc: per adapter object
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* @dev_id: device identifer (SAS Address)
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*
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* Returns the index of map table entry on success or bad index.
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*/
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static u32
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_mapping_get_mt_idx_from_id(struct mpr_softc *sc, u64 dev_id)
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{
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u32 map_idx;
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struct dev_mapping_table *mt_entry;
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for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
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mt_entry = &sc->mapping_table[map_idx];
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if (mt_entry->physical_id == dev_id)
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return map_idx;
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}
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return MPR_MAPTABLE_BAD_IDX;
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}
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/**
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* _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
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* @sc: per adapter object
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* @wwid: volume device handle
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*
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* Returns the index of map table entry on success or bad index.
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*/
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static u32
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_mapping_get_ir_mt_idx_from_handle(struct mpr_softc *sc, u16 volHandle)
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{
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u32 start_idx, end_idx, map_idx;
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struct dev_mapping_table *mt_entry;
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_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
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mt_entry = &sc->mapping_table[start_idx];
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for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
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if (mt_entry->dev_handle == volHandle)
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return map_idx;
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return MPR_MAPTABLE_BAD_IDX;
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}
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/**
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* _mapping_get_mt_idx_from_handle - get map table index from handle
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* @sc: per adapter object
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* @dev_id: device handle
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*
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* Returns the index of map table entry on success or bad index.
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*/
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static u32
|
|
_mapping_get_mt_idx_from_handle(struct mpr_softc *sc, u16 handle)
|
|
{
|
|
u32 map_idx;
|
|
struct dev_mapping_table *mt_entry;
|
|
|
|
for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
if (mt_entry->dev_handle == handle)
|
|
return map_idx;
|
|
}
|
|
return MPR_MAPTABLE_BAD_IDX;
|
|
}
|
|
|
|
/**
|
|
* _mapping_get_free_ir_mt_idx - get first free index for a volume
|
|
* @sc: per adapter object
|
|
*
|
|
* Search through mapping table for free index for a volume and if no free
|
|
* index then looks for a volume with high mapping index
|
|
*
|
|
* Returns the index of map table entry on success or bad index.
|
|
*/
|
|
static u32
|
|
_mapping_get_free_ir_mt_idx(struct mpr_softc *sc)
|
|
{
|
|
u8 high_missing_count = 0;
|
|
u32 start_idx, end_idx, map_idx;
|
|
u32 high_idx = MPR_MAPTABLE_BAD_IDX;
|
|
struct dev_mapping_table *mt_entry;
|
|
|
|
/*
|
|
* The IN_USE flag should be clear if the entry is available to use.
|
|
* This flag is cleared on initialization and and when a volume is
|
|
* deleted. All other times this flag should be set. If, for some
|
|
* reason, a free entry cannot be found, look for the entry with the
|
|
* highest missing count just in case there is one.
|
|
*/
|
|
_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
|
|
mt_entry = &sc->mapping_table[start_idx];
|
|
for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
|
|
if (!(mt_entry->device_info & MPR_MAP_IN_USE))
|
|
return map_idx;
|
|
|
|
if (mt_entry->missing_count > high_missing_count) {
|
|
high_missing_count = mt_entry->missing_count;
|
|
high_idx = map_idx;
|
|
}
|
|
}
|
|
|
|
if (high_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: Could not find a "
|
|
"free entry in the mapping table for a Volume. The mapping "
|
|
"table is probably corrupt.\n", __func__);
|
|
}
|
|
|
|
return high_idx;
|
|
}
|
|
|
|
/**
|
|
* _mapping_get_free_mt_idx - get first free index for a device
|
|
* @sc: per adapter object
|
|
* @start_idx: offset in the table to start search
|
|
*
|
|
* Returns the index of map table entry on success or bad index.
|
|
*/
|
|
static u32
|
|
_mapping_get_free_mt_idx(struct mpr_softc *sc, u32 start_idx)
|
|
{
|
|
u32 map_idx, max_idx = sc->max_devices;
|
|
struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
|
|
u16 volume_mapping_flags;
|
|
|
|
volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
|
|
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
|
|
if (sc->ir_firmware && (volume_mapping_flags ==
|
|
MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
|
|
max_idx -= sc->max_volumes;
|
|
|
|
for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
|
|
if (!(mt_entry->device_info & (MPR_MAP_IN_USE |
|
|
MPR_DEV_RESERVED)))
|
|
return map_idx;
|
|
|
|
return MPR_MAPTABLE_BAD_IDX;
|
|
}
|
|
|
|
/**
|
|
* _mapping_get_dpm_idx_from_id - get DPM index from ID
|
|
* @sc: per adapter object
|
|
* @id: volume WWID or enclosure ID or device ID
|
|
*
|
|
* Returns the index of DPM entry on success or bad index.
|
|
*/
|
|
static u16
|
|
_mapping_get_dpm_idx_from_id(struct mpr_softc *sc, u64 id, u32 phy_bits)
|
|
{
|
|
u16 entry_num;
|
|
uint64_t PhysicalIdentifier;
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
|
|
PhysicalIdentifier = (PhysicalIdentifier << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
|
|
dpm_entry++)
|
|
if ((id == PhysicalIdentifier) &&
|
|
(!phy_bits || !dpm_entry->PhysicalBitsMapping ||
|
|
(phy_bits & dpm_entry->PhysicalBitsMapping)))
|
|
return entry_num;
|
|
|
|
return MPR_DPM_BAD_IDX;
|
|
}
|
|
|
|
/**
|
|
* _mapping_get_free_dpm_idx - get first available DPM index
|
|
* @sc: per adapter object
|
|
*
|
|
* Returns the index of DPM entry on success or bad index.
|
|
*/
|
|
static u32
|
|
_mapping_get_free_dpm_idx(struct mpr_softc *sc)
|
|
{
|
|
u16 entry_num;
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
u16 current_entry = MPR_DPM_BAD_IDX, missing_cnt, high_missing_cnt = 0;
|
|
u64 physical_id;
|
|
struct dev_mapping_table *mt_entry;
|
|
u32 map_idx;
|
|
|
|
for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry += entry_num;
|
|
missing_cnt = dpm_entry->MappingInformation &
|
|
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
|
|
|
|
/*
|
|
* If entry is used and not missing, then this entry can't be
|
|
* used. Look at next one.
|
|
*/
|
|
if (sc->dpm_entry_used[entry_num] && !missing_cnt)
|
|
continue;
|
|
|
|
/*
|
|
* If this entry is not used at all, then the missing count
|
|
* doesn't matter. Just use this one. Otherwise, keep looking
|
|
* and make sure the entry with the highest missing count is
|
|
* used.
|
|
*/
|
|
if (!sc->dpm_entry_used[entry_num]) {
|
|
current_entry = entry_num;
|
|
break;
|
|
}
|
|
if ((current_entry == MPR_DPM_BAD_IDX) ||
|
|
(missing_cnt > high_missing_cnt)) {
|
|
current_entry = entry_num;
|
|
high_missing_cnt = missing_cnt;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If an entry has been found to use and it's already marked as used
|
|
* it means that some device was already using this entry but it's
|
|
* missing, and that means that the connection between the missing
|
|
* device's DPM entry and the mapping table needs to be cleared. To do
|
|
* this, use the Physical ID of the old device still in the DPM entry
|
|
* to find its mapping table entry, then mark its DPM entry as BAD.
|
|
*/
|
|
if ((current_entry != MPR_DPM_BAD_IDX) &&
|
|
sc->dpm_entry_used[current_entry]) {
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry += current_entry;
|
|
physical_id = dpm_entry->PhysicalIdentifier.High;
|
|
physical_id = (physical_id << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
map_idx = _mapping_get_mt_idx_from_id(sc, physical_id);
|
|
if (map_idx != MPR_MAPTABLE_BAD_IDX) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
|
|
}
|
|
}
|
|
return current_entry;
|
|
}
|
|
|
|
/**
|
|
* _mapping_update_ir_missing_cnt - Updates missing count for a volume
|
|
* @sc: per adapter object
|
|
* @map_idx: map table index of the volume
|
|
* @element: IR configuration change element
|
|
* @wwid: IR volume ID.
|
|
*
|
|
* Updates the missing count in the map table and in the DPM entry for a volume
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_mapping_update_ir_missing_cnt(struct mpr_softc *sc, u32 map_idx,
|
|
Mpi2EventIrConfigElement_t *element, u64 wwid)
|
|
{
|
|
struct dev_mapping_table *mt_entry;
|
|
u8 missing_cnt, reason = element->ReasonCode, update_dpm = 1;
|
|
u16 dpm_idx;
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
|
|
/*
|
|
* Depending on the reason code, update the missing count. Always set
|
|
* the init_complete flag when here, so just do it first. That flag is
|
|
* used for volumes to make sure that the DPM entry has been updated.
|
|
* When a volume is deleted, clear the map entry's IN_USE flag so that
|
|
* the entry can be used again if another volume is created. Also clear
|
|
* its dev_handle entry so that other functions can't find this volume
|
|
* by the handle, since it's not defined any longer.
|
|
*/
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->init_complete = 1;
|
|
if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
|
|
(reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED)) {
|
|
mt_entry->missing_count = 0;
|
|
} else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
|
|
if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
|
|
mt_entry->missing_count++;
|
|
|
|
mt_entry->device_info &= ~MPR_MAP_IN_USE;
|
|
mt_entry->dev_handle = 0;
|
|
}
|
|
|
|
/*
|
|
* If persistent mapping is enabled, update the DPM with the new missing
|
|
* count for the volume. If the DPM index is bad, get a free one. If
|
|
* it's bad for a volume that's being deleted do nothing because that
|
|
* volume doesn't have a DPM entry.
|
|
*/
|
|
if (!sc->is_dpm_enable)
|
|
return;
|
|
dpm_idx = mt_entry->dpm_entry_num;
|
|
if (dpm_idx == MPR_DPM_BAD_IDX) {
|
|
if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
|
|
{
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Volume being deleted "
|
|
"is not in DPM so DPM missing count will not be "
|
|
"updated.\n", __func__);
|
|
return;
|
|
}
|
|
}
|
|
if (dpm_idx == MPR_DPM_BAD_IDX)
|
|
dpm_idx = _mapping_get_free_dpm_idx(sc);
|
|
|
|
/*
|
|
* Got the DPM entry for the volume or found a free DPM entry if this is
|
|
* a new volume. Check if the current information is outdated.
|
|
*/
|
|
if (dpm_idx != MPR_DPM_BAD_IDX) {
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry += dpm_idx;
|
|
missing_cnt = dpm_entry->MappingInformation &
|
|
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
|
|
if ((mt_entry->physical_id ==
|
|
le64toh(((u64)dpm_entry->PhysicalIdentifier.High << 32) |
|
|
(u64)dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
|
|
mt_entry->missing_count)) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: DPM entry for volume "
|
|
"with target ID %d does not require an update.\n",
|
|
__func__, mt_entry->id);
|
|
update_dpm = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Update the volume's persistent info if it's new or the ID or missing
|
|
* count has changed. If a good DPM index has not been found by now,
|
|
* there is no space left in the DPM table.
|
|
*/
|
|
if ((dpm_idx != MPR_DPM_BAD_IDX) && update_dpm) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Update DPM entry for volume "
|
|
"with target ID %d.\n", __func__, mt_entry->id);
|
|
mt_entry->dpm_entry_num = dpm_idx;
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry += dpm_idx;
|
|
dpm_entry->PhysicalIdentifier.Low =
|
|
(0xFFFFFFFF & mt_entry->physical_id);
|
|
dpm_entry->PhysicalIdentifier.High =
|
|
(mt_entry->physical_id >> 32);
|
|
dpm_entry->DeviceIndex = map_idx;
|
|
dpm_entry->MappingInformation = mt_entry->missing_count;
|
|
dpm_entry->PhysicalBitsMapping = 0;
|
|
dpm_entry->Reserved1 = 0;
|
|
sc->dpm_flush_entry[dpm_idx] = 1;
|
|
sc->dpm_entry_used[dpm_idx] = 1;
|
|
} else if (dpm_idx == MPR_DPM_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_INFO | MPR_MAPPING, "%s: No space to add an "
|
|
"entry in the DPM table for volume with target ID %d.\n",
|
|
__func__, mt_entry->id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_add_to_removal_table - add DPM index to the removal table
|
|
* @sc: per adapter object
|
|
* @dpm_idx: Index of DPM entry to remove
|
|
*
|
|
* Adds a DPM entry number to the removal table.
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_mapping_add_to_removal_table(struct mpr_softc *sc, u16 dpm_idx)
|
|
{
|
|
struct map_removal_table *remove_entry;
|
|
u32 i;
|
|
|
|
/*
|
|
* This is only used to remove entries from the DPM in the controller.
|
|
* If DPM is not enabled, just return.
|
|
*/
|
|
if (!sc->is_dpm_enable)
|
|
return;
|
|
|
|
/*
|
|
* Find the first available removal_table entry and add the new entry
|
|
* there.
|
|
*/
|
|
remove_entry = sc->removal_table;
|
|
for (i = 0; i < sc->max_devices; i++, remove_entry++) {
|
|
if (remove_entry->dpm_entry_num != MPR_DPM_BAD_IDX)
|
|
continue;
|
|
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Adding DPM entry %d to table "
|
|
"for removal.\n", __func__, dpm_idx);
|
|
remove_entry->dpm_entry_num = dpm_idx;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* _mapping_inc_missing_count
|
|
* @sc: per adapter object
|
|
* @map_idx: index into the mapping table for the device that is missing
|
|
*
|
|
* Increment the missing count in the mapping table for a SAS, SATA, or PCIe
|
|
* device that is not responding. If Persitent Mapping is used, increment the
|
|
* DPM entry as well. Currently, this function is only called if the target
|
|
* goes missing, so after initialization has completed. This means that the
|
|
* missing count can only go from 0 to 1 here. The missing count is incremented
|
|
* during initialization as well, so that's where a target's missing count can
|
|
* go past 1.
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_mapping_inc_missing_count(struct mpr_softc *sc, u32 map_idx)
|
|
{
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
struct dev_mapping_table *mt_entry;
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_INFO | MPR_MAPPING, "%s: device is already "
|
|
"removed from mapping table\n", __func__);
|
|
return;
|
|
}
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
|
|
mt_entry->missing_count++;
|
|
|
|
/*
|
|
* When using Enc/Slot mapping, when a device is removed, it's mapping
|
|
* table information should be cleared. Otherwise, the target ID will
|
|
* be incorrect if this same device is re-added to a different slot.
|
|
*/
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
_mapping_clear_map_entry(mt_entry);
|
|
}
|
|
|
|
/*
|
|
* When using device mapping, update the missing count in the DPM entry,
|
|
* but only if the missing count has changed.
|
|
*/
|
|
if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
|
|
sc->is_dpm_enable &&
|
|
mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry += mt_entry->dpm_entry_num;
|
|
if (dpm_entry->MappingInformation != mt_entry->missing_count) {
|
|
dpm_entry->MappingInformation = mt_entry->missing_count;
|
|
sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_update_missing_count - Update missing count for a device
|
|
* @sc: per adapter object
|
|
* @topo_change: Topology change event entry
|
|
*
|
|
* Search through the topology change list and if any device is found not
|
|
* responding it's associated map table entry and DPM entry is updated
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_mapping_update_missing_count(struct mpr_softc *sc,
|
|
struct _map_topology_change *topo_change)
|
|
{
|
|
u8 entry;
|
|
struct _map_phy_change *phy_change;
|
|
u32 map_idx;
|
|
|
|
for (entry = 0; entry < topo_change->num_entries; entry++) {
|
|
phy_change = &topo_change->phy_details[entry];
|
|
if (!phy_change->dev_handle || (phy_change->reason !=
|
|
MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
|
|
continue;
|
|
map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
|
|
dev_handle);
|
|
phy_change->is_processed = 1;
|
|
_mapping_inc_missing_count(sc, map_idx);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_update_pcie_missing_count - Update missing count for a PCIe device
|
|
* @sc: per adapter object
|
|
* @topo_change: Topology change event entry
|
|
*
|
|
* Search through the PCIe topology change list and if any device is found not
|
|
* responding it's associated map table entry and DPM entry is updated
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
static void
|
|
_mapping_update_pcie_missing_count(struct mpr_softc *sc,
|
|
struct _map_pcie_topology_change *topo_change)
|
|
{
|
|
u8 entry;
|
|
struct _map_port_change *port_change;
|
|
u32 map_idx;
|
|
|
|
for (entry = 0; entry < topo_change->num_entries; entry++) {
|
|
port_change = &topo_change->port_details[entry];
|
|
if (!port_change->dev_handle || (port_change->reason !=
|
|
MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING))
|
|
continue;
|
|
map_idx = _mapping_get_mt_idx_from_handle(sc, port_change->
|
|
dev_handle);
|
|
port_change->is_processed = 1;
|
|
_mapping_inc_missing_count(sc, map_idx);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_find_enc_map_space -find map table entries for enclosure
|
|
* @sc: per adapter object
|
|
* @et_entry: enclosure entry
|
|
*
|
|
* Search through the mapping table defragment it and provide contiguous
|
|
* space in map table for a particular enclosure entry
|
|
*
|
|
* Returns start index in map table or bad index.
|
|
*/
|
|
static u32
|
|
_mapping_find_enc_map_space(struct mpr_softc *sc,
|
|
struct enc_mapping_table *et_entry)
|
|
{
|
|
u16 vol_mapping_flags;
|
|
u32 skip_count, end_of_table, map_idx, enc_idx;
|
|
u16 num_found;
|
|
u32 start_idx = MPR_MAPTABLE_BAD_IDX;
|
|
struct dev_mapping_table *mt_entry;
|
|
struct enc_mapping_table *enc_entry;
|
|
unsigned char done_flag = 0, found_space;
|
|
u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
|
|
|
|
skip_count = sc->num_rsvd_entries;
|
|
num_found = 0;
|
|
|
|
vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
|
|
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
|
|
|
|
/*
|
|
* The end of the mapping table depends on where volumes are kept, if
|
|
* IR is enabled.
|
|
*/
|
|
if (!sc->ir_firmware)
|
|
end_of_table = sc->max_devices;
|
|
else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
|
|
end_of_table = sc->max_devices;
|
|
else
|
|
end_of_table = sc->max_devices - sc->max_volumes;
|
|
|
|
/*
|
|
* The skip_count is the number of entries that are reserved at the
|
|
* beginning of the mapping table. But, it does not include the number
|
|
* of Physical IDs that are reserved for direct attached devices. Look
|
|
* through the mapping table after these reserved entries to see if
|
|
* the devices for this enclosure are already mapped. The PHY bit check
|
|
* is used to make sure that at least one PHY bit is common between the
|
|
* enclosure and the device that is already mapped.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Looking for space in the mapping "
|
|
"table for added enclosure.\n", __func__);
|
|
for (map_idx = (max_num_phy_ids + skip_count);
|
|
map_idx < end_of_table; map_idx++) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
if ((et_entry->enclosure_id == mt_entry->physical_id) &&
|
|
(!mt_entry->phy_bits || (mt_entry->phy_bits &
|
|
et_entry->phy_bits))) {
|
|
num_found += 1;
|
|
if (num_found == et_entry->num_slots) {
|
|
start_idx = (map_idx - num_found) + 1;
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Found space "
|
|
"in the mapping for enclosure at map index "
|
|
"%d.\n", __func__, start_idx);
|
|
return start_idx;
|
|
}
|
|
} else
|
|
num_found = 0;
|
|
}
|
|
|
|
/*
|
|
* If the enclosure's devices are not mapped already, look for
|
|
* contiguous entries in the mapping table that are not reserved. If
|
|
* enough entries are found, return the starting index for that space.
|
|
*/
|
|
num_found = 0;
|
|
for (map_idx = (max_num_phy_ids + skip_count);
|
|
map_idx < end_of_table; map_idx++) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
|
|
num_found += 1;
|
|
if (num_found == et_entry->num_slots) {
|
|
start_idx = (map_idx - num_found) + 1;
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Found space "
|
|
"in the mapping for enclosure at map index "
|
|
"%d.\n", __func__, start_idx);
|
|
return start_idx;
|
|
}
|
|
} else
|
|
num_found = 0;
|
|
}
|
|
|
|
/*
|
|
* If here, it means that not enough space in the mapping table was
|
|
* found to support this enclosure, so go through the enclosure table to
|
|
* see if any enclosure entries have a missing count. If so, get the
|
|
* enclosure with the highest missing count and check it to see if there
|
|
* is enough space for the new enclosure.
|
|
*/
|
|
while (!done_flag) {
|
|
enc_idx = _mapping_get_high_missing_et_idx(sc);
|
|
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Not enough space was "
|
|
"found in the mapping for the added enclosure.\n",
|
|
__func__);
|
|
return MPR_MAPTABLE_BAD_IDX;
|
|
}
|
|
|
|
/*
|
|
* Found a missing enclosure. Set the skip_search flag so this
|
|
* enclosure is not checked again for a high missing count if
|
|
* the loop continues. This way, all missing enclosures can
|
|
* have their space added together to find enough space in the
|
|
* mapping table for the added enclosure. The space must be
|
|
* contiguous.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Space from a missing "
|
|
"enclosure was found.\n", __func__);
|
|
enc_entry = &sc->enclosure_table[enc_idx];
|
|
enc_entry->skip_search = 1;
|
|
|
|
/*
|
|
* Unmark all of the missing enclosure's device's reserved
|
|
* space. These will be remarked as reserved if this missing
|
|
* enclosure's space is not used.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Clear the reserved flag for "
|
|
"all of the map entries for the enclosure.\n", __func__);
|
|
mt_entry = &sc->mapping_table[enc_entry->start_index];
|
|
for (map_idx = enc_entry->start_index; map_idx <
|
|
(enc_entry->start_index + enc_entry->num_slots); map_idx++,
|
|
mt_entry++)
|
|
mt_entry->device_info &= ~MPR_DEV_RESERVED;
|
|
|
|
/*
|
|
* Now that space has been unreserved, check again to see if
|
|
* enough space is available for the new enclosure.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Check if new mapping space is "
|
|
"enough for the new enclosure.\n", __func__);
|
|
found_space = 0;
|
|
num_found = 0;
|
|
for (map_idx = (max_num_phy_ids + skip_count);
|
|
map_idx < end_of_table; map_idx++) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
|
|
num_found += 1;
|
|
if (num_found == et_entry->num_slots) {
|
|
start_idx = (map_idx - num_found) + 1;
|
|
found_space = 1;
|
|
break;
|
|
}
|
|
} else
|
|
num_found = 0;
|
|
}
|
|
if (!found_space)
|
|
continue;
|
|
|
|
/*
|
|
* If enough space was found, all of the missing enclosures that
|
|
* will be used for the new enclosure must be added to the
|
|
* removal table. Then all mappings for the enclosure's devices
|
|
* and for the enclosure itself need to be cleared. There may be
|
|
* more than one enclosure to add to the removal table and
|
|
* clear.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Found space in the mapping "
|
|
"for enclosure at map index %d.\n", __func__, start_idx);
|
|
for (map_idx = start_idx; map_idx < (start_idx + num_found);
|
|
map_idx++) {
|
|
enc_entry = sc->enclosure_table;
|
|
for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
|
|
enc_idx++, enc_entry++) {
|
|
if (map_idx < enc_entry->start_index ||
|
|
map_idx > (enc_entry->start_index +
|
|
enc_entry->num_slots))
|
|
continue;
|
|
if (!enc_entry->removal_flag) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: "
|
|
"Enclosure %d will be removed from "
|
|
"the mapping table.\n", __func__,
|
|
enc_idx);
|
|
enc_entry->removal_flag = 1;
|
|
_mapping_add_to_removal_table(sc,
|
|
enc_entry->dpm_entry_num);
|
|
}
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
_mapping_clear_map_entry(mt_entry);
|
|
if (map_idx == (enc_entry->start_index +
|
|
enc_entry->num_slots - 1))
|
|
_mapping_clear_enc_entry(et_entry);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* During the search for space for this enclosure, some entries
|
|
* in the mapping table may have been unreserved. Go back and
|
|
* change all of these to reserved again. Only the enclosures
|
|
* with the removal_flag set should be left as unreserved. The
|
|
* skip_search flag needs to be cleared as well so that the
|
|
* enclosure's space will be looked at the next time space is
|
|
* needed.
|
|
*/
|
|
enc_entry = sc->enclosure_table;
|
|
for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
|
|
enc_idx++, enc_entry++) {
|
|
if (!enc_entry->removal_flag) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Reset the "
|
|
"reserved flag for all of the map entries "
|
|
"for enclosure %d.\n", __func__, enc_idx);
|
|
mt_entry = &sc->mapping_table[enc_entry->
|
|
start_index];
|
|
for (map_idx = enc_entry->start_index; map_idx <
|
|
(enc_entry->start_index +
|
|
enc_entry->num_slots); map_idx++,
|
|
mt_entry++)
|
|
mt_entry->device_info |=
|
|
MPR_DEV_RESERVED;
|
|
et_entry->skip_search = 0;
|
|
}
|
|
}
|
|
done_flag = 1;
|
|
}
|
|
return start_idx;
|
|
}
|
|
|
|
/**
|
|
* _mapping_get_dev_info -get information about newly added devices
|
|
* @sc: per adapter object
|
|
* @topo_change: Topology change event entry
|
|
*
|
|
* Search through the topology change event list and issues sas device pg0
|
|
* requests for the newly added device and reserved entries in tables
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_mapping_get_dev_info(struct mpr_softc *sc,
|
|
struct _map_topology_change *topo_change)
|
|
{
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2SasDevicePage0_t sas_device_pg0;
|
|
u8 entry, enc_idx, phy_idx;
|
|
u32 map_idx, index, device_info;
|
|
struct _map_phy_change *phy_change, *tmp_phy_change;
|
|
uint64_t sas_address;
|
|
struct enc_mapping_table *et_entry;
|
|
struct dev_mapping_table *mt_entry;
|
|
u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
|
|
int rc = 1;
|
|
|
|
for (entry = 0; entry < topo_change->num_entries; entry++) {
|
|
phy_change = &topo_change->phy_details[entry];
|
|
if (phy_change->is_processed || !phy_change->dev_handle ||
|
|
phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
|
|
continue;
|
|
|
|
if (mpr_config_get_sas_device_pg0(sc, &mpi_reply,
|
|
&sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
|
|
phy_change->dev_handle)) {
|
|
phy_change->is_processed = 1;
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Always get SATA Identify information because this is used
|
|
* to determine if Start/Stop Unit should be sent to the drive
|
|
* when the system is shutdown.
|
|
*/
|
|
device_info = le32toh(sas_device_pg0.DeviceInfo);
|
|
sas_address = le32toh(sas_device_pg0.SASAddress.High);
|
|
sas_address = (sas_address << 32) |
|
|
le32toh(sas_device_pg0.SASAddress.Low);
|
|
if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
|
|
(device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
|
|
rc = mprsas_get_sas_address_for_sata_disk(sc,
|
|
&sas_address, phy_change->dev_handle, device_info,
|
|
&phy_change->is_SATA_SSD);
|
|
if (rc) {
|
|
mpr_dprint(sc, MPR_ERROR, "%s: failed to get "
|
|
"disk type (SSD or HDD) and SAS Address "
|
|
"for SATA device with handle 0x%04x\n",
|
|
__func__, phy_change->dev_handle);
|
|
}
|
|
}
|
|
|
|
phy_change->physical_id = sas_address;
|
|
phy_change->slot = le16toh(sas_device_pg0.Slot);
|
|
phy_change->device_info = device_info;
|
|
|
|
/*
|
|
* When using Enc/Slot mapping, if this device is an enclosure
|
|
* make sure that all of its slots can fit into the mapping
|
|
* table.
|
|
*/
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
/*
|
|
* The enclosure should already be in the enclosure
|
|
* table due to the Enclosure Add event. If not, just
|
|
* continue, nothing can be done.
|
|
*/
|
|
enc_idx = _mapping_get_enc_idx_from_handle(sc,
|
|
topo_change->enc_handle);
|
|
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
|
|
phy_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because enclosure handle 0x%04x "
|
|
"is not in the mapping table\n", __func__,
|
|
phy_change->dev_handle,
|
|
topo_change->enc_handle);
|
|
continue;
|
|
}
|
|
if (!((phy_change->device_info &
|
|
MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
|
|
(phy_change->device_info &
|
|
(MPI2_SAS_DEVICE_INFO_SSP_TARGET |
|
|
MPI2_SAS_DEVICE_INFO_STP_TARGET |
|
|
MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
|
|
phy_change->is_processed = 1;
|
|
continue;
|
|
}
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
|
|
/*
|
|
* If the enclosure already has a start_index, it's been
|
|
* mapped, so go to the next Topo change.
|
|
*/
|
|
if (et_entry->start_index != MPR_MAPTABLE_BAD_IDX)
|
|
continue;
|
|
|
|
/*
|
|
* If the Expander Handle is 0, the devices are direct
|
|
* attached. In that case, the start_index must be just
|
|
* after the reserved entries. Otherwise, find space in
|
|
* the mapping table for the enclosure's devices.
|
|
*/
|
|
if (!topo_change->exp_handle) {
|
|
map_idx = sc->num_rsvd_entries;
|
|
et_entry->start_index = map_idx;
|
|
} else {
|
|
map_idx = _mapping_find_enc_map_space(sc,
|
|
et_entry);
|
|
et_entry->start_index = map_idx;
|
|
|
|
/*
|
|
* If space cannot be found to hold all of the
|
|
* enclosure's devices in the mapping table,
|
|
* there's no need to continue checking the
|
|
* other devices in this event. Set all of the
|
|
* phy_details for this event (if the change is
|
|
* for an add) as already processed because none
|
|
* of these devices can be added to the mapping
|
|
* table.
|
|
*/
|
|
if (et_entry->start_index ==
|
|
MPR_MAPTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING,
|
|
"%s: failed to add the enclosure "
|
|
"with ID 0x%016jx because there is "
|
|
"no free space available in the "
|
|
"mapping table for all of the "
|
|
"enclosure's devices.\n", __func__,
|
|
(uintmax_t)et_entry->enclosure_id);
|
|
phy_change->is_processed = 1;
|
|
for (phy_idx = 0; phy_idx <
|
|
topo_change->num_entries;
|
|
phy_idx++) {
|
|
tmp_phy_change =
|
|
&topo_change->phy_details
|
|
[phy_idx];
|
|
if (tmp_phy_change->reason ==
|
|
add_code)
|
|
tmp_phy_change->
|
|
is_processed = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Found space in the mapping table for this enclosure.
|
|
* Initialize each mapping table entry for the
|
|
* enclosure.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Initialize %d map "
|
|
"entries for the enclosure, starting at map index "
|
|
" %d.\n", __func__, et_entry->num_slots, map_idx);
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
for (index = map_idx; index < (et_entry->num_slots
|
|
+ map_idx); index++, mt_entry++) {
|
|
mt_entry->device_info = MPR_DEV_RESERVED;
|
|
mt_entry->physical_id = et_entry->enclosure_id;
|
|
mt_entry->phy_bits = et_entry->phy_bits;
|
|
mt_entry->missing_count = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_get_pcie_dev_info -get information about newly added PCIe devices
|
|
* @sc: per adapter object
|
|
* @topo_change: Topology change event entry
|
|
*
|
|
* Searches through the PCIe topology change event list and issues PCIe device
|
|
* pg0 requests for the newly added PCIe device. If the device is in an
|
|
* enclosure, search for available space in the enclosure mapping table for the
|
|
* device and reserve that space.
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_mapping_get_pcie_dev_info(struct mpr_softc *sc,
|
|
struct _map_pcie_topology_change *topo_change)
|
|
{
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi26PCIeDevicePage0_t pcie_device_pg0;
|
|
u8 entry, enc_idx, port_idx;
|
|
u32 map_idx, index;
|
|
struct _map_port_change *port_change, *tmp_port_change;
|
|
uint64_t pcie_wwid;
|
|
struct enc_mapping_table *et_entry;
|
|
struct dev_mapping_table *mt_entry;
|
|
u8 add_code = MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED;
|
|
|
|
for (entry = 0; entry < topo_change->num_entries; entry++) {
|
|
port_change = &topo_change->port_details[entry];
|
|
if (port_change->is_processed || !port_change->dev_handle ||
|
|
port_change->reason != MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED)
|
|
continue;
|
|
if (mpr_config_get_pcie_device_pg0(sc, &mpi_reply,
|
|
&pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
|
|
port_change->dev_handle)) {
|
|
port_change->is_processed = 1;
|
|
continue;
|
|
}
|
|
|
|
pcie_wwid = pcie_device_pg0.WWID.High;
|
|
pcie_wwid = (pcie_wwid << 32) | pcie_device_pg0.WWID.Low;
|
|
port_change->physical_id = pcie_wwid;
|
|
port_change->slot = le16toh(pcie_device_pg0.Slot);
|
|
port_change->device_info = le32toh(pcie_device_pg0.DeviceInfo);
|
|
|
|
/*
|
|
* When using Enc/Slot mapping, if this device is an enclosure
|
|
* make sure that all of its slots can fit into the mapping
|
|
* table.
|
|
*/
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
/*
|
|
* The enclosure should already be in the enclosure
|
|
* table due to the Enclosure Add event. If not, just
|
|
* continue, nothing can be done.
|
|
*/
|
|
enc_idx = _mapping_get_enc_idx_from_handle(sc,
|
|
topo_change->enc_handle);
|
|
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
|
|
port_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because enclosure handle 0x%04x "
|
|
"is not in the mapping table\n", __func__,
|
|
port_change->dev_handle,
|
|
topo_change->enc_handle);
|
|
continue;
|
|
}
|
|
if (!(port_change->device_info &
|
|
MPI26_PCIE_DEVINFO_NVME)) {
|
|
port_change->is_processed = 1;
|
|
continue;
|
|
}
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
|
|
/*
|
|
* If the enclosure already has a start_index, it's been
|
|
* mapped, so go to the next Topo change.
|
|
*/
|
|
if (et_entry->start_index != MPR_MAPTABLE_BAD_IDX)
|
|
continue;
|
|
|
|
/*
|
|
* If the Switch Handle is 0, the devices are direct
|
|
* attached. In that case, the start_index must be just
|
|
* after the reserved entries. Otherwise, find space in
|
|
* the mapping table for the enclosure's devices.
|
|
*/
|
|
if (!topo_change->switch_dev_handle) {
|
|
map_idx = sc->num_rsvd_entries;
|
|
et_entry->start_index = map_idx;
|
|
} else {
|
|
map_idx = _mapping_find_enc_map_space(sc,
|
|
et_entry);
|
|
et_entry->start_index = map_idx;
|
|
|
|
/*
|
|
* If space cannot be found to hold all of the
|
|
* enclosure's devices in the mapping table,
|
|
* there's no need to continue checking the
|
|
* other devices in this event. Set all of the
|
|
* port_details for this event (if the change is
|
|
* for an add) as already processed because none
|
|
* of these devices can be added to the mapping
|
|
* table.
|
|
*/
|
|
if (et_entry->start_index ==
|
|
MPR_MAPTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING,
|
|
"%s: failed to add the enclosure "
|
|
"with ID 0x%016jx because there is "
|
|
"no free space available in the "
|
|
"mapping table for all of the "
|
|
"enclosure's devices.\n", __func__,
|
|
(uintmax_t)et_entry->enclosure_id);
|
|
port_change->is_processed = 1;
|
|
for (port_idx = 0; port_idx <
|
|
topo_change->num_entries;
|
|
port_idx++) {
|
|
tmp_port_change =
|
|
&topo_change->port_details
|
|
[port_idx];
|
|
if (tmp_port_change->reason ==
|
|
add_code)
|
|
tmp_port_change->
|
|
is_processed = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Found space in the mapping table for this enclosure.
|
|
* Initialize each mapping table entry for the
|
|
* enclosure.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Initialize %d map "
|
|
"entries for the enclosure, starting at map index "
|
|
" %d.\n", __func__, et_entry->num_slots, map_idx);
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
for (index = map_idx; index < (et_entry->num_slots
|
|
+ map_idx); index++, mt_entry++) {
|
|
mt_entry->device_info = MPR_DEV_RESERVED;
|
|
mt_entry->physical_id = et_entry->enclosure_id;
|
|
mt_entry->phy_bits = et_entry->phy_bits;
|
|
mt_entry->missing_count = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_set_mid_to_eid -set map table data from enclosure table
|
|
* @sc: per adapter object
|
|
* @et_entry: enclosure entry
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static inline void
|
|
_mapping_set_mid_to_eid(struct mpr_softc *sc,
|
|
struct enc_mapping_table *et_entry)
|
|
{
|
|
struct dev_mapping_table *mt_entry;
|
|
u16 slots = et_entry->num_slots, map_idx;
|
|
u32 start_idx = et_entry->start_index;
|
|
|
|
if (start_idx != MPR_MAPTABLE_BAD_IDX) {
|
|
mt_entry = &sc->mapping_table[start_idx];
|
|
for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
|
|
mt_entry->physical_id = et_entry->enclosure_id;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_clear_removed_entries - mark the entries to be cleared
|
|
* @sc: per adapter object
|
|
*
|
|
* Search through the removal table and mark the entries which needs to be
|
|
* flushed to DPM and also updates the map table and enclosure table by
|
|
* clearing the corresponding entries.
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_mapping_clear_removed_entries(struct mpr_softc *sc)
|
|
{
|
|
u32 remove_idx;
|
|
struct map_removal_table *remove_entry;
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
u8 done_flag = 0, num_entries, m, i;
|
|
struct enc_mapping_table *et_entry, *from, *to;
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
|
|
if (sc->is_dpm_enable) {
|
|
remove_entry = sc->removal_table;
|
|
for (remove_idx = 0; remove_idx < sc->max_devices;
|
|
remove_idx++, remove_entry++) {
|
|
if (remove_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)
|
|
((u8 *) sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry += remove_entry->dpm_entry_num;
|
|
dpm_entry->PhysicalIdentifier.Low = 0;
|
|
dpm_entry->PhysicalIdentifier.High = 0;
|
|
dpm_entry->DeviceIndex = 0;
|
|
dpm_entry->MappingInformation = 0;
|
|
dpm_entry->PhysicalBitsMapping = 0;
|
|
sc->dpm_flush_entry[remove_entry->
|
|
dpm_entry_num] = 1;
|
|
sc->dpm_entry_used[remove_entry->dpm_entry_num]
|
|
= 0;
|
|
remove_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* When using Enc/Slot mapping, if a new enclosure was added and old
|
|
* enclosure space was needed, the enclosure table may now have gaps
|
|
* that need to be closed. All enclosure mappings need to be contiguous
|
|
* so that space can be reused correctly if available.
|
|
*/
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
num_entries = sc->num_enc_table_entries;
|
|
while (!done_flag) {
|
|
done_flag = 1;
|
|
et_entry = sc->enclosure_table;
|
|
for (i = 0; i < num_entries; i++, et_entry++) {
|
|
if (!et_entry->enc_handle && et_entry->
|
|
init_complete) {
|
|
done_flag = 0;
|
|
if (i != (num_entries - 1)) {
|
|
from = &sc->enclosure_table
|
|
[i+1];
|
|
to = &sc->enclosure_table[i];
|
|
for (m = i; m < (num_entries -
|
|
1); m++, from++, to++) {
|
|
_mapping_set_mid_to_eid
|
|
(sc, to);
|
|
*to = *from;
|
|
}
|
|
_mapping_clear_enc_entry(to);
|
|
sc->num_enc_table_entries--;
|
|
num_entries =
|
|
sc->num_enc_table_entries;
|
|
} else {
|
|
_mapping_clear_enc_entry
|
|
(et_entry);
|
|
sc->num_enc_table_entries--;
|
|
num_entries =
|
|
sc->num_enc_table_entries;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_add_new_device -Add the new device into mapping table
|
|
* @sc: per adapter object
|
|
* @topo_change: Topology change event entry
|
|
*
|
|
* Search through the topology change event list and update map table,
|
|
* enclosure table and DPM pages for the newly added devices.
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_mapping_add_new_device(struct mpr_softc *sc,
|
|
struct _map_topology_change *topo_change)
|
|
{
|
|
u8 enc_idx, missing_cnt, is_removed = 0;
|
|
u16 dpm_idx;
|
|
u32 search_idx, map_idx;
|
|
u32 entry;
|
|
struct dev_mapping_table *mt_entry;
|
|
struct enc_mapping_table *et_entry;
|
|
struct _map_phy_change *phy_change;
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
uint64_t temp64_var;
|
|
u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
|
|
u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
|
|
u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
|
|
|
|
for (entry = 0; entry < topo_change->num_entries; entry++) {
|
|
phy_change = &topo_change->phy_details[entry];
|
|
if (phy_change->is_processed)
|
|
continue;
|
|
if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
|
|
!phy_change->dev_handle) {
|
|
phy_change->is_processed = 1;
|
|
continue;
|
|
}
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
enc_idx = _mapping_get_enc_idx_from_handle
|
|
(sc, topo_change->enc_handle);
|
|
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
|
|
phy_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because enclosure handle 0x%04x "
|
|
"is not in the mapping table\n", __func__,
|
|
phy_change->dev_handle,
|
|
topo_change->enc_handle);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* If the enclosure's start_index is BAD here, it means
|
|
* that there is no room in the mapping table to cover
|
|
* all of the devices that could be in the enclosure.
|
|
* There's no reason to process any of the devices for
|
|
* this enclosure since they can't be mapped.
|
|
*/
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {
|
|
phy_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because there is no free space "
|
|
"available in the mapping table\n",
|
|
__func__, phy_change->dev_handle);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Add this device to the mapping table at the correct
|
|
* offset where space was found to map the enclosure.
|
|
* Then setup the DPM entry information if being used.
|
|
*/
|
|
map_idx = et_entry->start_index + phy_change->slot -
|
|
et_entry->start_slot;
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->physical_id = phy_change->physical_id;
|
|
mt_entry->id = map_idx;
|
|
mt_entry->dev_handle = phy_change->dev_handle;
|
|
mt_entry->missing_count = 0;
|
|
mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
|
|
mt_entry->device_info = phy_change->device_info |
|
|
(MPR_DEV_RESERVED | MPR_MAP_IN_USE);
|
|
if (sc->is_dpm_enable) {
|
|
dpm_idx = et_entry->dpm_entry_num;
|
|
if (dpm_idx == MPR_DPM_BAD_IDX)
|
|
dpm_idx = _mapping_get_dpm_idx_from_id
|
|
(sc, et_entry->enclosure_id,
|
|
et_entry->phy_bits);
|
|
if (dpm_idx == MPR_DPM_BAD_IDX) {
|
|
dpm_idx = _mapping_get_free_dpm_idx(sc);
|
|
if (dpm_idx != MPR_DPM_BAD_IDX) {
|
|
dpm_entry =
|
|
(Mpi2DriverMap0Entry_t *)
|
|
((u8 *) sc->dpm_pg0 +
|
|
hdr_sz);
|
|
dpm_entry += dpm_idx;
|
|
dpm_entry->
|
|
PhysicalIdentifier.Low =
|
|
(0xFFFFFFFF &
|
|
et_entry->enclosure_id);
|
|
dpm_entry->
|
|
PhysicalIdentifier.High =
|
|
(et_entry->enclosure_id
|
|
>> 32);
|
|
dpm_entry->DeviceIndex =
|
|
(U16)et_entry->start_index;
|
|
dpm_entry->MappingInformation =
|
|
et_entry->num_slots;
|
|
dpm_entry->MappingInformation
|
|
<<= map_shift;
|
|
dpm_entry->PhysicalBitsMapping
|
|
= et_entry->phy_bits;
|
|
et_entry->dpm_entry_num =
|
|
dpm_idx;
|
|
sc->dpm_entry_used[dpm_idx] = 1;
|
|
sc->dpm_flush_entry[dpm_idx] =
|
|
1;
|
|
phy_change->is_processed = 1;
|
|
} else {
|
|
phy_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR |
|
|
MPR_MAPPING, "%s: failed "
|
|
"to add the device with "
|
|
"handle 0x%04x to "
|
|
"persistent table because "
|
|
"there is no free space "
|
|
"available\n", __func__,
|
|
phy_change->dev_handle);
|
|
}
|
|
} else {
|
|
et_entry->dpm_entry_num = dpm_idx;
|
|
mt_entry->dpm_entry_num = dpm_idx;
|
|
}
|
|
}
|
|
et_entry->init_complete = 1;
|
|
} else if ((ioc_pg8_flags &
|
|
MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
|
|
/*
|
|
* Get the mapping table index for this device. If it's
|
|
* not in the mapping table yet, find a free entry if
|
|
* one is available. If there are no free entries, look
|
|
* for the entry that has the highest missing count. If
|
|
* none of that works to find an entry in the mapping
|
|
* table, there is a problem. Log a message and just
|
|
* continue on.
|
|
*/
|
|
map_idx = _mapping_get_mt_idx_from_id
|
|
(sc, phy_change->physical_id);
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
search_idx = sc->num_rsvd_entries;
|
|
if (topo_change->exp_handle)
|
|
search_idx += max_num_phy_ids;
|
|
map_idx = _mapping_get_free_mt_idx(sc,
|
|
search_idx);
|
|
}
|
|
|
|
/*
|
|
* If an entry will be used that has a missing device,
|
|
* clear its entry from the DPM in the controller.
|
|
*/
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
map_idx = _mapping_get_high_missing_mt_idx(sc);
|
|
if (map_idx != MPR_MAPTABLE_BAD_IDX) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
_mapping_add_to_removal_table(sc,
|
|
mt_entry->dpm_entry_num);
|
|
is_removed = 1;
|
|
mt_entry->init_complete = 0;
|
|
}
|
|
}
|
|
if (map_idx != MPR_MAPTABLE_BAD_IDX) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->physical_id = phy_change->physical_id;
|
|
mt_entry->id = map_idx;
|
|
mt_entry->dev_handle = phy_change->dev_handle;
|
|
mt_entry->missing_count = 0;
|
|
mt_entry->device_info = phy_change->device_info
|
|
| (MPR_DEV_RESERVED | MPR_MAP_IN_USE);
|
|
} else {
|
|
phy_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because there is no free space "
|
|
"available in the mapping table\n",
|
|
__func__, phy_change->dev_handle);
|
|
continue;
|
|
}
|
|
if (sc->is_dpm_enable) {
|
|
if (mt_entry->dpm_entry_num !=
|
|
MPR_DPM_BAD_IDX) {
|
|
dpm_idx = mt_entry->dpm_entry_num;
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)
|
|
((u8 *)sc->dpm_pg0 + hdr_sz);
|
|
dpm_entry += dpm_idx;
|
|
missing_cnt = dpm_entry->
|
|
MappingInformation &
|
|
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
|
|
temp64_var = dpm_entry->
|
|
PhysicalIdentifier.High;
|
|
temp64_var = (temp64_var << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
|
|
/*
|
|
* If the Mapping Table's info is not
|
|
* the same as the DPM entry, clear the
|
|
* init_complete flag so that it's
|
|
* updated.
|
|
*/
|
|
if ((mt_entry->physical_id ==
|
|
temp64_var) && !missing_cnt)
|
|
mt_entry->init_complete = 1;
|
|
else
|
|
mt_entry->init_complete = 0;
|
|
} else {
|
|
dpm_idx = _mapping_get_free_dpm_idx(sc);
|
|
mt_entry->init_complete = 0;
|
|
}
|
|
if (dpm_idx != MPR_DPM_BAD_IDX &&
|
|
!mt_entry->init_complete) {
|
|
mt_entry->dpm_entry_num = dpm_idx;
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)
|
|
((u8 *)sc->dpm_pg0 + hdr_sz);
|
|
dpm_entry += dpm_idx;
|
|
dpm_entry->PhysicalIdentifier.Low =
|
|
(0xFFFFFFFF &
|
|
mt_entry->physical_id);
|
|
dpm_entry->PhysicalIdentifier.High =
|
|
(mt_entry->physical_id >> 32);
|
|
dpm_entry->DeviceIndex = (U16) map_idx;
|
|
dpm_entry->MappingInformation = 0;
|
|
dpm_entry->PhysicalBitsMapping = 0;
|
|
sc->dpm_entry_used[dpm_idx] = 1;
|
|
sc->dpm_flush_entry[dpm_idx] = 1;
|
|
phy_change->is_processed = 1;
|
|
} else if (dpm_idx == MPR_DPM_BAD_IDX) {
|
|
phy_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING,
|
|
"%s: failed to add the device with "
|
|
"handle 0x%04x to persistent table "
|
|
"because there is no free space "
|
|
"available\n", __func__,
|
|
phy_change->dev_handle);
|
|
}
|
|
}
|
|
mt_entry->init_complete = 1;
|
|
}
|
|
|
|
phy_change->is_processed = 1;
|
|
}
|
|
if (is_removed)
|
|
_mapping_clear_removed_entries(sc);
|
|
}
|
|
|
|
/**
|
|
* _mapping_add_new_pcie_device -Add the new PCIe device into mapping table
|
|
* @sc: per adapter object
|
|
* @topo_change: Topology change event entry
|
|
*
|
|
* Search through the PCIe topology change event list and update map table,
|
|
* enclosure table and DPM pages for the newly added devices.
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_mapping_add_new_pcie_device(struct mpr_softc *sc,
|
|
struct _map_pcie_topology_change *topo_change)
|
|
{
|
|
u8 enc_idx, missing_cnt, is_removed = 0;
|
|
u16 dpm_idx;
|
|
u32 search_idx, map_idx;
|
|
u32 entry;
|
|
struct dev_mapping_table *mt_entry;
|
|
struct enc_mapping_table *et_entry;
|
|
struct _map_port_change *port_change;
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
uint64_t temp64_var;
|
|
u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
|
|
u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
|
|
u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
|
|
|
|
for (entry = 0; entry < topo_change->num_entries; entry++) {
|
|
port_change = &topo_change->port_details[entry];
|
|
if (port_change->is_processed)
|
|
continue;
|
|
if (port_change->reason != MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED ||
|
|
!port_change->dev_handle) {
|
|
port_change->is_processed = 1;
|
|
continue;
|
|
}
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
enc_idx = _mapping_get_enc_idx_from_handle
|
|
(sc, topo_change->enc_handle);
|
|
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
|
|
port_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because enclosure handle 0x%04x "
|
|
"is not in the mapping table\n", __func__,
|
|
port_change->dev_handle,
|
|
topo_change->enc_handle);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* If the enclosure's start_index is BAD here, it means
|
|
* that there is no room in the mapping table to cover
|
|
* all of the devices that could be in the enclosure.
|
|
* There's no reason to process any of the devices for
|
|
* this enclosure since they can't be mapped.
|
|
*/
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {
|
|
port_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because there is no free space "
|
|
"available in the mapping table\n",
|
|
__func__, port_change->dev_handle);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Add this device to the mapping table at the correct
|
|
* offset where space was found to map the enclosure.
|
|
* Then setup the DPM entry information if being used.
|
|
*/
|
|
map_idx = et_entry->start_index + port_change->slot -
|
|
et_entry->start_slot;
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->physical_id = port_change->physical_id;
|
|
mt_entry->id = map_idx;
|
|
mt_entry->dev_handle = port_change->dev_handle;
|
|
mt_entry->missing_count = 0;
|
|
mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
|
|
mt_entry->device_info = port_change->device_info |
|
|
(MPR_DEV_RESERVED | MPR_MAP_IN_USE);
|
|
if (sc->is_dpm_enable) {
|
|
dpm_idx = et_entry->dpm_entry_num;
|
|
if (dpm_idx == MPR_DPM_BAD_IDX)
|
|
dpm_idx = _mapping_get_dpm_idx_from_id
|
|
(sc, et_entry->enclosure_id,
|
|
et_entry->phy_bits);
|
|
if (dpm_idx == MPR_DPM_BAD_IDX) {
|
|
dpm_idx = _mapping_get_free_dpm_idx(sc);
|
|
if (dpm_idx != MPR_DPM_BAD_IDX) {
|
|
dpm_entry =
|
|
(Mpi2DriverMap0Entry_t *)
|
|
((u8 *) sc->dpm_pg0 +
|
|
hdr_sz);
|
|
dpm_entry += dpm_idx;
|
|
dpm_entry->
|
|
PhysicalIdentifier.Low =
|
|
(0xFFFFFFFF &
|
|
et_entry->enclosure_id);
|
|
dpm_entry->
|
|
PhysicalIdentifier.High =
|
|
(et_entry->enclosure_id
|
|
>> 32);
|
|
dpm_entry->DeviceIndex =
|
|
(U16)et_entry->start_index;
|
|
dpm_entry->MappingInformation =
|
|
et_entry->num_slots;
|
|
dpm_entry->MappingInformation
|
|
<<= map_shift;
|
|
dpm_entry->PhysicalBitsMapping
|
|
= et_entry->phy_bits;
|
|
et_entry->dpm_entry_num =
|
|
dpm_idx;
|
|
sc->dpm_entry_used[dpm_idx] = 1;
|
|
sc->dpm_flush_entry[dpm_idx] =
|
|
1;
|
|
port_change->is_processed = 1;
|
|
} else {
|
|
port_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR |
|
|
MPR_MAPPING, "%s: failed "
|
|
"to add the device with "
|
|
"handle 0x%04x to "
|
|
"persistent table because "
|
|
"there is no free space "
|
|
"available\n", __func__,
|
|
port_change->dev_handle);
|
|
}
|
|
} else {
|
|
et_entry->dpm_entry_num = dpm_idx;
|
|
mt_entry->dpm_entry_num = dpm_idx;
|
|
}
|
|
}
|
|
et_entry->init_complete = 1;
|
|
} else if ((ioc_pg8_flags &
|
|
MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
|
|
/*
|
|
* Get the mapping table index for this device. If it's
|
|
* not in the mapping table yet, find a free entry if
|
|
* one is available. If there are no free entries, look
|
|
* for the entry that has the highest missing count. If
|
|
* none of that works to find an entry in the mapping
|
|
* table, there is a problem. Log a message and just
|
|
* continue on.
|
|
*/
|
|
map_idx = _mapping_get_mt_idx_from_id
|
|
(sc, port_change->physical_id);
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
search_idx = sc->num_rsvd_entries;
|
|
if (topo_change->switch_dev_handle)
|
|
search_idx += max_num_phy_ids;
|
|
map_idx = _mapping_get_free_mt_idx(sc,
|
|
search_idx);
|
|
}
|
|
|
|
/*
|
|
* If an entry will be used that has a missing device,
|
|
* clear its entry from the DPM in the controller.
|
|
*/
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
map_idx = _mapping_get_high_missing_mt_idx(sc);
|
|
if (map_idx != MPR_MAPTABLE_BAD_IDX) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
_mapping_add_to_removal_table(sc,
|
|
mt_entry->dpm_entry_num);
|
|
is_removed = 1;
|
|
mt_entry->init_complete = 0;
|
|
}
|
|
}
|
|
if (map_idx != MPR_MAPTABLE_BAD_IDX) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->physical_id =
|
|
port_change->physical_id;
|
|
mt_entry->id = map_idx;
|
|
mt_entry->dev_handle = port_change->dev_handle;
|
|
mt_entry->missing_count = 0;
|
|
mt_entry->device_info =
|
|
port_change->device_info |
|
|
(MPR_DEV_RESERVED | MPR_MAP_IN_USE);
|
|
} else {
|
|
port_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"failed to add the device with handle "
|
|
"0x%04x because there is no free space "
|
|
"available in the mapping table\n",
|
|
__func__, port_change->dev_handle);
|
|
continue;
|
|
}
|
|
if (sc->is_dpm_enable) {
|
|
if (mt_entry->dpm_entry_num !=
|
|
MPR_DPM_BAD_IDX) {
|
|
dpm_idx = mt_entry->dpm_entry_num;
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)
|
|
((u8 *)sc->dpm_pg0 + hdr_sz);
|
|
dpm_entry += dpm_idx;
|
|
missing_cnt = dpm_entry->
|
|
MappingInformation &
|
|
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
|
|
temp64_var = dpm_entry->
|
|
PhysicalIdentifier.High;
|
|
temp64_var = (temp64_var << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
|
|
/*
|
|
* If the Mapping Table's info is not
|
|
* the same as the DPM entry, clear the
|
|
* init_complete flag so that it's
|
|
* updated.
|
|
*/
|
|
if ((mt_entry->physical_id ==
|
|
temp64_var) && !missing_cnt)
|
|
mt_entry->init_complete = 1;
|
|
else
|
|
mt_entry->init_complete = 0;
|
|
} else {
|
|
dpm_idx = _mapping_get_free_dpm_idx(sc);
|
|
mt_entry->init_complete = 0;
|
|
}
|
|
if (dpm_idx != MPR_DPM_BAD_IDX &&
|
|
!mt_entry->init_complete) {
|
|
mt_entry->dpm_entry_num = dpm_idx;
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)
|
|
((u8 *)sc->dpm_pg0 + hdr_sz);
|
|
dpm_entry += dpm_idx;
|
|
dpm_entry->PhysicalIdentifier.Low =
|
|
(0xFFFFFFFF &
|
|
mt_entry->physical_id);
|
|
dpm_entry->PhysicalIdentifier.High =
|
|
(mt_entry->physical_id >> 32);
|
|
dpm_entry->DeviceIndex = (U16) map_idx;
|
|
dpm_entry->MappingInformation = 0;
|
|
dpm_entry->PhysicalBitsMapping = 0;
|
|
sc->dpm_entry_used[dpm_idx] = 1;
|
|
sc->dpm_flush_entry[dpm_idx] = 1;
|
|
port_change->is_processed = 1;
|
|
} else if (dpm_idx == MPR_DPM_BAD_IDX) {
|
|
port_change->is_processed = 1;
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING,
|
|
"%s: failed to add the device with "
|
|
"handle 0x%04x to persistent table "
|
|
"because there is no free space "
|
|
"available\n", __func__,
|
|
port_change->dev_handle);
|
|
}
|
|
}
|
|
mt_entry->init_complete = 1;
|
|
}
|
|
|
|
port_change->is_processed = 1;
|
|
}
|
|
if (is_removed)
|
|
_mapping_clear_removed_entries(sc);
|
|
}
|
|
|
|
/**
|
|
* _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
|
|
* @sc: per adapter object
|
|
*
|
|
* Returns nothing
|
|
*/
|
|
static void
|
|
_mapping_flush_dpm_pages(struct mpr_softc *sc)
|
|
{
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
Mpi2DriverMappingPage0_t config_page;
|
|
u16 entry_num;
|
|
|
|
for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
|
|
if (!sc->dpm_flush_entry[entry_num])
|
|
continue;
|
|
memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
|
|
memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
dpm_entry += entry_num;
|
|
dpm_entry->MappingInformation = htole16(dpm_entry->
|
|
MappingInformation);
|
|
dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
|
|
dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
|
|
PhysicalBitsMapping);
|
|
memcpy(&config_page.Entry, (u8 *)dpm_entry,
|
|
sizeof(Mpi2DriverMap0Entry_t));
|
|
/* TODO-How to handle failed writes? */
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Flushing DPM entry %d.\n",
|
|
__func__, entry_num);
|
|
if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
|
|
entry_num)) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: Flush of "
|
|
"DPM entry %d for device failed\n", __func__,
|
|
entry_num);
|
|
} else
|
|
sc->dpm_flush_entry[entry_num] = 0;
|
|
dpm_entry->MappingInformation = le16toh(dpm_entry->
|
|
MappingInformation);
|
|
dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
|
|
dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
|
|
PhysicalBitsMapping);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* _mapping_allocate_memory- allocates the memory required for mapping tables
|
|
* @sc: per adapter object
|
|
*
|
|
* Allocates the memory for all the tables required for host mapping
|
|
*
|
|
* Return 0 on success or non-zero on failure.
|
|
*/
|
|
int
|
|
mpr_mapping_allocate_memory(struct mpr_softc *sc)
|
|
{
|
|
uint32_t dpm_pg0_sz;
|
|
|
|
sc->mapping_table = malloc((sizeof(struct dev_mapping_table) *
|
|
sc->max_devices), M_MPR, M_ZERO|M_NOWAIT);
|
|
if (!sc->mapping_table)
|
|
goto free_resources;
|
|
|
|
sc->removal_table = malloc((sizeof(struct map_removal_table) *
|
|
sc->max_devices), M_MPR, M_ZERO|M_NOWAIT);
|
|
if (!sc->removal_table)
|
|
goto free_resources;
|
|
|
|
sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) *
|
|
sc->max_enclosures), M_MPR, M_ZERO|M_NOWAIT);
|
|
if (!sc->enclosure_table)
|
|
goto free_resources;
|
|
|
|
sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries),
|
|
M_MPR, M_ZERO|M_NOWAIT);
|
|
if (!sc->dpm_entry_used)
|
|
goto free_resources;
|
|
|
|
sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries),
|
|
M_MPR, M_ZERO|M_NOWAIT);
|
|
if (!sc->dpm_flush_entry)
|
|
goto free_resources;
|
|
|
|
dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
|
|
(sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
|
|
|
|
sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPR, M_ZERO|M_NOWAIT);
|
|
if (!sc->dpm_pg0) {
|
|
printf("%s: memory alloc failed for dpm page; disabling dpm\n",
|
|
__func__);
|
|
sc->is_dpm_enable = 0;
|
|
}
|
|
|
|
return 0;
|
|
|
|
free_resources:
|
|
free(sc->mapping_table, M_MPR);
|
|
free(sc->removal_table, M_MPR);
|
|
free(sc->enclosure_table, M_MPR);
|
|
free(sc->dpm_entry_used, M_MPR);
|
|
free(sc->dpm_flush_entry, M_MPR);
|
|
free(sc->dpm_pg0, M_MPR);
|
|
printf("%s: device initialization failed due to failure in mapping "
|
|
"table memory allocation\n", __func__);
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_free_memory- frees the memory allocated for mapping tables
|
|
* @sc: per adapter object
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
void
|
|
mpr_mapping_free_memory(struct mpr_softc *sc)
|
|
{
|
|
free(sc->mapping_table, M_MPR);
|
|
free(sc->removal_table, M_MPR);
|
|
free(sc->enclosure_table, M_MPR);
|
|
free(sc->dpm_entry_used, M_MPR);
|
|
free(sc->dpm_flush_entry, M_MPR);
|
|
free(sc->dpm_pg0, M_MPR);
|
|
}
|
|
|
|
static void
|
|
_mapping_process_dpm_pg0(struct mpr_softc *sc)
|
|
{
|
|
u8 missing_cnt, enc_idx;
|
|
u16 slot_id, entry_num, num_slots;
|
|
u32 map_idx, dev_idx, start_idx, end_idx;
|
|
struct dev_mapping_table *mt_entry;
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
|
|
struct enc_mapping_table *et_entry;
|
|
u64 physical_id;
|
|
u32 phy_bits = 0;
|
|
|
|
/*
|
|
* start_idx and end_idx are only used for IR.
|
|
*/
|
|
if (sc->ir_firmware)
|
|
_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
|
|
|
|
/*
|
|
* Look through all of the DPM entries that were read from the
|
|
* controller and copy them over to the driver's internal table if they
|
|
* have a non-zero ID. At this point, any ID with a value of 0 would be
|
|
* invalid, so don't copy it.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Start copy of %d DPM entries into the "
|
|
"mapping table.\n", __func__, sc->max_dpm_entries);
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
|
|
dpm_entry++) {
|
|
physical_id = dpm_entry->PhysicalIdentifier.High;
|
|
physical_id = (physical_id << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
if (!physical_id) {
|
|
sc->dpm_entry_used[entry_num] = 0;
|
|
continue;
|
|
}
|
|
sc->dpm_entry_used[entry_num] = 1;
|
|
dpm_entry->MappingInformation = le16toh(dpm_entry->
|
|
MappingInformation);
|
|
missing_cnt = dpm_entry->MappingInformation &
|
|
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
|
|
dev_idx = le16toh(dpm_entry->DeviceIndex);
|
|
phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
|
|
|
|
/*
|
|
* Volumes are at special locations in the mapping table so
|
|
* account for that. Volume mapping table entries do not depend
|
|
* on the type of mapping, so continue the loop after adding
|
|
* volumes to the mapping table.
|
|
*/
|
|
if (sc->ir_firmware && (dev_idx >= start_idx) &&
|
|
(dev_idx <= end_idx)) {
|
|
mt_entry = &sc->mapping_table[dev_idx];
|
|
mt_entry->physical_id =
|
|
dpm_entry->PhysicalIdentifier.High;
|
|
mt_entry->physical_id = (mt_entry->physical_id << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
mt_entry->id = dev_idx;
|
|
mt_entry->missing_count = missing_cnt;
|
|
mt_entry->dpm_entry_num = entry_num;
|
|
mt_entry->device_info = MPR_DEV_RESERVED;
|
|
continue;
|
|
}
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
/*
|
|
* The dev_idx for an enclosure is the start index. If
|
|
* the start index is within the controller's default
|
|
* enclosure area, set the number of slots for this
|
|
* enclosure to the max allowed. Otherwise, it should be
|
|
* a normal enclosure and the number of slots is in the
|
|
* DPM entry's Mapping Information.
|
|
*/
|
|
if (dev_idx < (sc->num_rsvd_entries +
|
|
max_num_phy_ids)) {
|
|
slot_id = 0;
|
|
if (ioc_pg8_flags &
|
|
MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
|
|
slot_id = 1;
|
|
num_slots = max_num_phy_ids;
|
|
} else {
|
|
slot_id = 0;
|
|
num_slots = dpm_entry->MappingInformation &
|
|
MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
|
|
num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
|
|
}
|
|
enc_idx = sc->num_enc_table_entries;
|
|
if (enc_idx >= sc->max_enclosures) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"Number of enclosure entries in DPM exceed "
|
|
"the max allowed of %d.\n", __func__,
|
|
sc->max_enclosures);
|
|
break;
|
|
}
|
|
sc->num_enc_table_entries++;
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
physical_id = dpm_entry->PhysicalIdentifier.High;
|
|
et_entry->enclosure_id = (physical_id << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
et_entry->start_index = dev_idx;
|
|
et_entry->dpm_entry_num = entry_num;
|
|
et_entry->num_slots = num_slots;
|
|
et_entry->start_slot = slot_id;
|
|
et_entry->missing_count = missing_cnt;
|
|
et_entry->phy_bits = phy_bits;
|
|
|
|
/*
|
|
* Initialize all entries for this enclosure in the
|
|
* mapping table and mark them as reserved. The actual
|
|
* devices have not been processed yet but when they are
|
|
* they will use these entries. If an entry is found
|
|
* that already has a valid DPM index, the mapping table
|
|
* is corrupt. This can happen if the mapping type is
|
|
* changed without clearing all of the DPM entries in
|
|
* the controller.
|
|
*/
|
|
mt_entry = &sc->mapping_table[dev_idx];
|
|
for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
|
|
map_idx++, mt_entry++) {
|
|
if (mt_entry->dpm_entry_num !=
|
|
MPR_DPM_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING,
|
|
"%s: Conflict in mapping table for "
|
|
"enclosure %d device %d\n",
|
|
__func__, enc_idx, map_idx);
|
|
goto fail;
|
|
}
|
|
physical_id =
|
|
dpm_entry->PhysicalIdentifier.High;
|
|
mt_entry->physical_id = (physical_id << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
mt_entry->phy_bits = phy_bits;
|
|
mt_entry->id = dev_idx;
|
|
mt_entry->dpm_entry_num = entry_num;
|
|
mt_entry->missing_count = missing_cnt;
|
|
mt_entry->device_info = MPR_DEV_RESERVED;
|
|
}
|
|
} else if ((ioc_pg8_flags &
|
|
MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
|
|
/*
|
|
* Device mapping, so simply copy the DPM entries to the
|
|
* mapping table, but check for a corrupt mapping table
|
|
* (as described above in Enc/Slot mapping).
|
|
*/
|
|
map_idx = dev_idx;
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
if (mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"Conflict in mapping table for device %d\n",
|
|
__func__, map_idx);
|
|
goto fail;
|
|
}
|
|
physical_id = dpm_entry->PhysicalIdentifier.High;
|
|
mt_entry->physical_id = (physical_id << 32) |
|
|
dpm_entry->PhysicalIdentifier.Low;
|
|
mt_entry->phy_bits = phy_bits;
|
|
mt_entry->id = dev_idx;
|
|
mt_entry->missing_count = missing_cnt;
|
|
mt_entry->dpm_entry_num = entry_num;
|
|
mt_entry->device_info = MPR_DEV_RESERVED;
|
|
}
|
|
} /*close the loop for DPM table */
|
|
return;
|
|
|
|
fail:
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"Wiping DPM to start from scratch\n", __func__);
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
bzero(dpm_entry, sizeof(Mpi2DriverMap0Entry_t) * sc->max_dpm_entries);
|
|
for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
|
|
sc->dpm_flush_entry[entry_num] = 1;
|
|
sc->dpm_entry_used[entry_num] = 0;
|
|
/*
|
|
* for IR firmware, it may be necessary to wipe out
|
|
* sc->mapping_table volumes tooi
|
|
*/
|
|
}
|
|
_mapping_flush_dpm_pages(sc);
|
|
for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++)
|
|
_mapping_clear_enc_entry(sc->enclosure_table + enc_idx);
|
|
sc->num_enc_table_entries = 0;
|
|
}
|
|
|
|
/*
|
|
* mpr_mapping_check_devices - start of the day check for device availabilty
|
|
* @sc: per adapter object
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
void
|
|
mpr_mapping_check_devices(void *data)
|
|
{
|
|
u32 i;
|
|
struct dev_mapping_table *mt_entry;
|
|
struct mpr_softc *sc = (struct mpr_softc *)data;
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
struct enc_mapping_table *et_entry;
|
|
u32 start_idx = 0, end_idx = 0;
|
|
u8 stop_device_checks = 0;
|
|
|
|
MPR_FUNCTRACE(sc);
|
|
|
|
/*
|
|
* Clear this flag so that this function is never called again except
|
|
* within this function if the check needs to be done again. The
|
|
* purpose is to check for missing devices that are currently in the
|
|
* mapping table so do this only at driver init after discovery.
|
|
*/
|
|
sc->track_mapping_events = 0;
|
|
|
|
/*
|
|
* callout synchronization
|
|
* This is used to prevent race conditions for the callout.
|
|
*/
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Start check for missing devices.\n",
|
|
__func__);
|
|
mtx_assert(&sc->mpr_mtx, MA_OWNED);
|
|
if ((callout_pending(&sc->device_check_callout)) ||
|
|
(!callout_active(&sc->device_check_callout))) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Device Check Callout is "
|
|
"already pending or not active.\n", __func__);
|
|
return;
|
|
}
|
|
callout_deactivate(&sc->device_check_callout);
|
|
|
|
/*
|
|
* Use callout to check if any devices in the mapping table have been
|
|
* processed yet. If ALL devices are marked as not init_complete, no
|
|
* devices have been processed and mapped. Until devices are mapped
|
|
* there's no reason to mark them as missing. Continue resetting this
|
|
* callout until devices have been mapped.
|
|
*/
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
et_entry = sc->enclosure_table;
|
|
for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
|
|
if (et_entry->init_complete) {
|
|
stop_device_checks = 1;
|
|
break;
|
|
}
|
|
}
|
|
} else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
|
|
mt_entry = sc->mapping_table;
|
|
for (i = 0; i < sc->max_devices; i++, mt_entry++) {
|
|
if (mt_entry->init_complete) {
|
|
stop_device_checks = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Setup another callout check after a delay. Keep doing this until
|
|
* devices are mapped.
|
|
*/
|
|
if (!stop_device_checks) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: No devices have been mapped. "
|
|
"Reset callout to check again after a %d second delay.\n",
|
|
__func__, MPR_MISSING_CHECK_DELAY);
|
|
callout_reset(&sc->device_check_callout,
|
|
MPR_MISSING_CHECK_DELAY * hz, mpr_mapping_check_devices,
|
|
sc);
|
|
return;
|
|
}
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Device check complete.\n", __func__);
|
|
|
|
/*
|
|
* Depending on the mapping type, check if devices have been processed
|
|
* and update their missing counts if not processed.
|
|
*/
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
|
|
et_entry = sc->enclosure_table;
|
|
for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
|
|
if (!et_entry->init_complete) {
|
|
if (et_entry->missing_count <
|
|
MPR_MAX_MISSING_COUNT) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: "
|
|
"Enclosure %d is missing from the "
|
|
"topology. Update its missing "
|
|
"count.\n", __func__, i);
|
|
et_entry->missing_count++;
|
|
if (et_entry->dpm_entry_num !=
|
|
MPR_DPM_BAD_IDX) {
|
|
_mapping_commit_enc_entry(sc,
|
|
et_entry);
|
|
}
|
|
}
|
|
et_entry->init_complete = 1;
|
|
}
|
|
}
|
|
if (!sc->ir_firmware)
|
|
return;
|
|
_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
|
|
mt_entry = &sc->mapping_table[start_idx];
|
|
} else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
|
|
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
|
|
start_idx = 0;
|
|
end_idx = sc->max_devices - 1;
|
|
mt_entry = sc->mapping_table;
|
|
}
|
|
|
|
/*
|
|
* The start and end indices have been set above according to the
|
|
* mapping type. Go through these mappings and update any entries that
|
|
* do not have the init_complete flag set, which means they are missing.
|
|
*/
|
|
if (end_idx == 0)
|
|
return;
|
|
for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) {
|
|
if (mt_entry->device_info & MPR_DEV_RESERVED
|
|
&& !mt_entry->physical_id)
|
|
mt_entry->init_complete = 1;
|
|
else if (mt_entry->device_info & MPR_DEV_RESERVED) {
|
|
if (!mt_entry->init_complete) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Device in "
|
|
"mapping table at index %d is missing from "
|
|
"topology. Update its missing count.\n",
|
|
__func__, i);
|
|
if (mt_entry->missing_count <
|
|
MPR_MAX_MISSING_COUNT) {
|
|
mt_entry->missing_count++;
|
|
if (mt_entry->dpm_entry_num !=
|
|
MPR_DPM_BAD_IDX) {
|
|
_mapping_commit_map_entry(sc,
|
|
mt_entry);
|
|
}
|
|
}
|
|
mt_entry->init_complete = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_initialize - initialize mapping tables
|
|
* @sc: per adapter object
|
|
*
|
|
* Read controller persitant mapping tables into internal data area.
|
|
*
|
|
* Return 0 for success or non-zero for failure.
|
|
*/
|
|
int
|
|
mpr_mapping_initialize(struct mpr_softc *sc)
|
|
{
|
|
uint16_t volume_mapping_flags, dpm_pg0_sz;
|
|
uint32_t i;
|
|
Mpi2ConfigReply_t mpi_reply;
|
|
int error;
|
|
uint8_t retry_count;
|
|
uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
|
|
/* The additional 1 accounts for the virtual enclosure
|
|
* created for the controller
|
|
*/
|
|
sc->max_enclosures = sc->facts->MaxEnclosures + 1;
|
|
sc->max_expanders = sc->facts->MaxSasExpanders;
|
|
sc->max_volumes = sc->facts->MaxVolumes;
|
|
sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
|
|
sc->pending_map_events = 0;
|
|
sc->num_enc_table_entries = 0;
|
|
sc->num_rsvd_entries = 0;
|
|
sc->max_dpm_entries = le16toh(sc->ioc_pg8.MaxPersistentEntries);
|
|
sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
|
|
sc->track_mapping_events = 0;
|
|
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Mapping table has a max of %d entries "
|
|
"and DPM has a max of %d entries.\n", __func__, sc->max_devices,
|
|
sc->max_dpm_entries);
|
|
|
|
if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
|
|
sc->is_dpm_enable = 0;
|
|
|
|
if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
|
|
sc->num_rsvd_entries = 1;
|
|
|
|
volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
|
|
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
|
|
if (sc->ir_firmware && (volume_mapping_flags ==
|
|
MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
|
|
sc->num_rsvd_entries += sc->max_volumes;
|
|
|
|
error = mpr_mapping_allocate_memory(sc);
|
|
if (error)
|
|
return (error);
|
|
|
|
for (i = 0; i < sc->max_devices; i++)
|
|
_mapping_clear_map_entry(sc->mapping_table + i);
|
|
|
|
for (i = 0; i < sc->max_enclosures; i++)
|
|
_mapping_clear_enc_entry(sc->enclosure_table + i);
|
|
|
|
for (i = 0; i < sc->max_devices; i++) {
|
|
sc->removal_table[i].dev_handle = 0;
|
|
sc->removal_table[i].dpm_entry_num = MPR_DPM_BAD_IDX;
|
|
}
|
|
|
|
memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
|
|
memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
|
|
|
|
if (sc->is_dpm_enable) {
|
|
dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
|
|
(sc->max_dpm_entries *
|
|
sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
|
|
retry_count = 0;
|
|
|
|
retry_read_dpm:
|
|
if (mpr_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
|
|
dpm_pg0_sz)) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: DPM page "
|
|
"read failed.\n", __func__);
|
|
if (retry_count < 3) {
|
|
retry_count++;
|
|
goto retry_read_dpm;
|
|
}
|
|
sc->is_dpm_enable = 0;
|
|
}
|
|
}
|
|
|
|
if (sc->is_dpm_enable)
|
|
_mapping_process_dpm_pg0(sc);
|
|
if (! sc->is_dpm_enable) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: DPM processing is disabled. "
|
|
"Device mappings will not persist across reboots or "
|
|
"resets.\n", __func__);
|
|
}
|
|
|
|
sc->track_mapping_events = 1;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_exit - clear mapping table and associated memory
|
|
* @sc: per adapter object
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
void
|
|
mpr_mapping_exit(struct mpr_softc *sc)
|
|
{
|
|
_mapping_flush_dpm_pages(sc);
|
|
mpr_mapping_free_memory(sc);
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_get_tid - return the target id for sas device and handle
|
|
* @sc: per adapter object
|
|
* @sas_address: sas address of the device
|
|
* @handle: device handle
|
|
*
|
|
* Returns valid target ID on success or BAD_ID.
|
|
*/
|
|
unsigned int
|
|
mpr_mapping_get_tid(struct mpr_softc *sc, uint64_t sas_address, u16 handle)
|
|
{
|
|
u32 map_idx;
|
|
struct dev_mapping_table *mt_entry;
|
|
|
|
for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
|
|
sas_address)
|
|
return mt_entry->id;
|
|
}
|
|
|
|
return MPR_MAP_BAD_ID;
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_get_tid_from_handle - find a target id in mapping table using
|
|
* only the dev handle. This is just a wrapper function for the local function
|
|
* _mapping_get_mt_idx_from_handle.
|
|
* @sc: per adapter object
|
|
* @handle: device handle
|
|
*
|
|
* Returns valid target ID on success or BAD_ID.
|
|
*/
|
|
unsigned int
|
|
mpr_mapping_get_tid_from_handle(struct mpr_softc *sc, u16 handle)
|
|
{
|
|
return (_mapping_get_mt_idx_from_handle(sc, handle));
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_get_raid_tid - return the target id for raid device
|
|
* @sc: per adapter object
|
|
* @wwid: world wide identifier for raid volume
|
|
* @volHandle: volume device handle
|
|
*
|
|
* Returns valid target ID on success or BAD_ID.
|
|
*/
|
|
unsigned int
|
|
mpr_mapping_get_raid_tid(struct mpr_softc *sc, u64 wwid, u16 volHandle)
|
|
{
|
|
u32 start_idx, end_idx, map_idx;
|
|
struct dev_mapping_table *mt_entry;
|
|
|
|
_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
|
|
mt_entry = &sc->mapping_table[start_idx];
|
|
for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
|
|
if (mt_entry->dev_handle == volHandle &&
|
|
mt_entry->physical_id == wwid)
|
|
return mt_entry->id;
|
|
}
|
|
|
|
return MPR_MAP_BAD_ID;
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_get_raid_tid_from_handle - find raid device in mapping table
|
|
* using only the volume dev handle. This is just a wrapper function for the
|
|
* local function _mapping_get_ir_mt_idx_from_handle.
|
|
* @sc: per adapter object
|
|
* @volHandle: volume device handle
|
|
*
|
|
* Returns valid target ID on success or BAD_ID.
|
|
*/
|
|
unsigned int
|
|
mpr_mapping_get_raid_tid_from_handle(struct mpr_softc *sc, u16 volHandle)
|
|
{
|
|
return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_enclosure_dev_status_change_event - handle enclosure events
|
|
* @sc: per adapter object
|
|
* @event_data: event data payload
|
|
*
|
|
* Return nothing.
|
|
*/
|
|
void
|
|
mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *sc,
|
|
Mpi2EventDataSasEnclDevStatusChange_t *event_data)
|
|
{
|
|
u8 enc_idx, missing_count;
|
|
struct enc_mapping_table *et_entry;
|
|
Mpi2DriverMap0Entry_t *dpm_entry;
|
|
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
|
|
u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
|
|
u8 update_phy_bits = 0;
|
|
u32 saved_phy_bits;
|
|
uint64_t temp64_var;
|
|
|
|
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
|
|
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
|
|
goto out;
|
|
|
|
dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
|
|
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
|
|
|
|
if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
|
|
if (!event_data->NumSlots) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: Enclosure "
|
|
"with handle = 0x%x reported 0 slots.\n", __func__,
|
|
le16toh(event_data->EnclosureHandle));
|
|
goto out;
|
|
}
|
|
temp64_var = event_data->EnclosureLogicalID.High;
|
|
temp64_var = (temp64_var << 32) |
|
|
event_data->EnclosureLogicalID.Low;
|
|
enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
|
|
event_data->PhyBits);
|
|
|
|
/*
|
|
* If the Added enclosure is already in the Enclosure Table,
|
|
* make sure that all the enclosure info is up to date. If
|
|
* the enclosure was missing and has just been added back, or if
|
|
* the enclosure's Phy Bits have changed, clear the missing
|
|
* count and update the Phy Bits in the mapping table and in the
|
|
* DPM, if it's being used.
|
|
*/
|
|
if (enc_idx != MPR_ENCTABLE_BAD_IDX) {
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
if (et_entry->init_complete &&
|
|
!et_entry->missing_count) {
|
|
mpr_dprint(sc, MPR_MAPPING, "%s: Enclosure %d "
|
|
"is already present with handle = 0x%x\n",
|
|
__func__, enc_idx, et_entry->enc_handle);
|
|
goto out;
|
|
}
|
|
et_entry->enc_handle = le16toh(event_data->
|
|
EnclosureHandle);
|
|
et_entry->start_slot = le16toh(event_data->StartSlot);
|
|
saved_phy_bits = et_entry->phy_bits;
|
|
et_entry->phy_bits |= le32toh(event_data->PhyBits);
|
|
if (saved_phy_bits != et_entry->phy_bits)
|
|
update_phy_bits = 1;
|
|
if (et_entry->missing_count || update_phy_bits) {
|
|
et_entry->missing_count = 0;
|
|
if (sc->is_dpm_enable &&
|
|
et_entry->dpm_entry_num !=
|
|
MPR_DPM_BAD_IDX) {
|
|
dpm_entry += et_entry->dpm_entry_num;
|
|
missing_count =
|
|
(u8)(dpm_entry->MappingInformation &
|
|
MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
|
|
if (missing_count || update_phy_bits) {
|
|
dpm_entry->MappingInformation
|
|
= et_entry->num_slots;
|
|
dpm_entry->MappingInformation
|
|
<<= map_shift;
|
|
dpm_entry->PhysicalBitsMapping
|
|
= et_entry->phy_bits;
|
|
sc->dpm_flush_entry[et_entry->
|
|
dpm_entry_num] = 1;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
/*
|
|
* This is a new enclosure that is being added.
|
|
* Initialize the Enclosure Table entry. It will be
|
|
* finalized when a device is added for the enclosure
|
|
* and the enclosure has enough space in the Mapping
|
|
* Table to map its devices.
|
|
*/
|
|
if (sc->num_enc_table_entries < sc->max_enclosures) {
|
|
enc_idx = sc->num_enc_table_entries;
|
|
sc->num_enc_table_entries++;
|
|
} else {
|
|
enc_idx = _mapping_get_high_missing_et_idx(sc);
|
|
if (enc_idx != MPR_ENCTABLE_BAD_IDX) {
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
_mapping_add_to_removal_table(sc,
|
|
et_entry->dpm_entry_num);
|
|
_mapping_clear_enc_entry(et_entry);
|
|
}
|
|
}
|
|
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: "
|
|
"Enclosure cannot be added to mapping "
|
|
"table because it's full.\n", __func__);
|
|
goto out;
|
|
}
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
et_entry->enc_handle = le16toh(event_data->
|
|
EnclosureHandle);
|
|
et_entry->enclosure_id = le64toh(event_data->
|
|
EnclosureLogicalID.High);
|
|
et_entry->enclosure_id =
|
|
((et_entry->enclosure_id << 32) |
|
|
le64toh(event_data->EnclosureLogicalID.Low));
|
|
et_entry->start_index = MPR_MAPTABLE_BAD_IDX;
|
|
et_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
|
|
et_entry->num_slots = le16toh(event_data->NumSlots);
|
|
et_entry->start_slot = le16toh(event_data->StartSlot);
|
|
et_entry->phy_bits = le32toh(event_data->PhyBits);
|
|
}
|
|
et_entry->init_complete = 1;
|
|
} else if (event_data->ReasonCode ==
|
|
MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
|
|
/*
|
|
* An enclosure was removed. Update its missing count and then
|
|
* update the DPM entry with the new missing count for the
|
|
* enclosure.
|
|
*/
|
|
enc_idx = _mapping_get_enc_idx_from_handle(sc,
|
|
le16toh(event_data->EnclosureHandle));
|
|
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING, "%s: Cannot "
|
|
"unmap enclosure with handle 0x%04x because it "
|
|
"has already been deleted.\n", __func__,
|
|
le16toh(event_data->EnclosureHandle));
|
|
goto out;
|
|
}
|
|
et_entry = &sc->enclosure_table[enc_idx];
|
|
if (et_entry->missing_count < MPR_MAX_MISSING_COUNT)
|
|
et_entry->missing_count++;
|
|
if (sc->is_dpm_enable &&
|
|
et_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
|
|
dpm_entry += et_entry->dpm_entry_num;
|
|
dpm_entry->MappingInformation = et_entry->num_slots;
|
|
dpm_entry->MappingInformation <<= map_shift;
|
|
dpm_entry->MappingInformation |=
|
|
et_entry->missing_count;
|
|
sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
|
|
}
|
|
et_entry->init_complete = 1;
|
|
}
|
|
|
|
out:
|
|
_mapping_flush_dpm_pages(sc);
|
|
if (sc->pending_map_events)
|
|
sc->pending_map_events--;
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_topology_change_event - handle topology change events
|
|
* @sc: per adapter object
|
|
* @event_data: event data payload
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
void
|
|
mpr_mapping_topology_change_event(struct mpr_softc *sc,
|
|
Mpi2EventDataSasTopologyChangeList_t *event_data)
|
|
{
|
|
struct _map_topology_change topo_change;
|
|
struct _map_phy_change *phy_change;
|
|
Mpi2EventSasTopoPhyEntry_t *event_phy_change;
|
|
u8 i, num_entries;
|
|
|
|
topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
|
|
topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
|
|
num_entries = event_data->NumEntries;
|
|
topo_change.num_entries = num_entries;
|
|
topo_change.start_phy_num = event_data->StartPhyNum;
|
|
topo_change.num_phys = event_data->NumPhys;
|
|
topo_change.exp_status = event_data->ExpStatus;
|
|
event_phy_change = event_data->PHY;
|
|
topo_change.phy_details = NULL;
|
|
|
|
if (!num_entries)
|
|
goto out;
|
|
phy_change = malloc(sizeof(struct _map_phy_change) * num_entries,
|
|
M_MPR, M_NOWAIT|M_ZERO);
|
|
topo_change.phy_details = phy_change;
|
|
if (!phy_change)
|
|
goto out;
|
|
for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
|
|
phy_change->dev_handle = le16toh(event_phy_change->
|
|
AttachedDevHandle);
|
|
phy_change->reason = event_phy_change->PhyStatus &
|
|
MPI2_EVENT_SAS_TOPO_RC_MASK;
|
|
}
|
|
_mapping_update_missing_count(sc, &topo_change);
|
|
_mapping_get_dev_info(sc, &topo_change);
|
|
_mapping_clear_removed_entries(sc);
|
|
_mapping_add_new_device(sc, &topo_change);
|
|
|
|
out:
|
|
free(topo_change.phy_details, M_MPR);
|
|
_mapping_flush_dpm_pages(sc);
|
|
if (sc->pending_map_events)
|
|
sc->pending_map_events--;
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_pcie_topology_change_event - handle PCIe topology change events
|
|
* @sc: per adapter object
|
|
* @event_data: event data payload
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
void
|
|
mpr_mapping_pcie_topology_change_event(struct mpr_softc *sc,
|
|
Mpi26EventDataPCIeTopologyChangeList_t *event_data)
|
|
{
|
|
struct _map_pcie_topology_change topo_change;
|
|
struct _map_port_change *port_change;
|
|
Mpi26EventPCIeTopoPortEntry_t *event_port_change;
|
|
u8 i, num_entries;
|
|
|
|
topo_change.switch_dev_handle = le16toh(event_data->SwitchDevHandle);
|
|
topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
|
|
num_entries = event_data->NumEntries;
|
|
topo_change.num_entries = num_entries;
|
|
topo_change.start_port_num = event_data->StartPortNum;
|
|
topo_change.num_ports = event_data->NumPorts;
|
|
topo_change.switch_status = event_data->SwitchStatus;
|
|
event_port_change = event_data->PortEntry;
|
|
topo_change.port_details = NULL;
|
|
|
|
if (!num_entries)
|
|
goto out;
|
|
port_change = malloc(sizeof(struct _map_port_change) * num_entries,
|
|
M_MPR, M_NOWAIT|M_ZERO);
|
|
topo_change.port_details = port_change;
|
|
if (!port_change)
|
|
goto out;
|
|
for (i = 0; i < num_entries; i++, event_port_change++, port_change++) {
|
|
port_change->dev_handle = le16toh(event_port_change->
|
|
AttachedDevHandle);
|
|
port_change->reason = event_port_change->PortStatus;
|
|
}
|
|
_mapping_update_pcie_missing_count(sc, &topo_change);
|
|
_mapping_get_pcie_dev_info(sc, &topo_change);
|
|
_mapping_clear_removed_entries(sc);
|
|
_mapping_add_new_pcie_device(sc, &topo_change);
|
|
|
|
out:
|
|
free(topo_change.port_details, M_MPR);
|
|
_mapping_flush_dpm_pages(sc);
|
|
if (sc->pending_map_events)
|
|
sc->pending_map_events--;
|
|
}
|
|
|
|
/**
|
|
* mpr_mapping_ir_config_change_event - handle IR config change list events
|
|
* @sc: per adapter object
|
|
* @event_data: event data payload
|
|
*
|
|
* Returns nothing.
|
|
*/
|
|
void
|
|
mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
|
|
Mpi2EventDataIrConfigChangeList_t *event_data)
|
|
{
|
|
Mpi2EventIrConfigElement_t *element;
|
|
int i;
|
|
u64 *wwid_table;
|
|
u32 map_idx, flags;
|
|
struct dev_mapping_table *mt_entry;
|
|
u16 element_flags;
|
|
|
|
wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPR,
|
|
M_NOWAIT | M_ZERO);
|
|
if (!wwid_table)
|
|
goto out;
|
|
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
|
|
flags = le32toh(event_data->Flags);
|
|
|
|
/*
|
|
* For volume changes, get the WWID for the volume and put it in a
|
|
* table to be used in the processing of the IR change event.
|
|
*/
|
|
for (i = 0; i < event_data->NumElements; i++, element++) {
|
|
element_flags = le16toh(element->ElementFlags);
|
|
if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
|
|
(element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
|
|
(element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
|
|
&& (element->ReasonCode !=
|
|
MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
|
|
continue;
|
|
if ((element_flags &
|
|
MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
|
|
MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
|
|
mpr_config_get_volume_wwid(sc,
|
|
le16toh(element->VolDevHandle), &wwid_table[i]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check the ReasonCode for each element in the IR event and Add/Remove
|
|
* Volumes or Physical Disks of Volumes to/from the mapping table. Use
|
|
* the WWIDs gotten above in wwid_table.
|
|
*/
|
|
if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
|
|
goto out;
|
|
else {
|
|
element = (Mpi2EventIrConfigElement_t *)&event_data->
|
|
ConfigElement[0];
|
|
for (i = 0; i < event_data->NumElements; i++, element++) {
|
|
if (element->ReasonCode ==
|
|
MPI2_EVENT_IR_CHANGE_RC_ADDED ||
|
|
element->ReasonCode ==
|
|
MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
|
|
map_idx = _mapping_get_ir_mt_idx_from_wwid
|
|
(sc, wwid_table[i]);
|
|
if (map_idx != MPR_MAPTABLE_BAD_IDX) {
|
|
/*
|
|
* The volume is already in the mapping
|
|
* table. Just update it's info.
|
|
*/
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->id = map_idx;
|
|
mt_entry->dev_handle = le16toh
|
|
(element->VolDevHandle);
|
|
mt_entry->device_info =
|
|
MPR_DEV_RESERVED | MPR_MAP_IN_USE;
|
|
_mapping_update_ir_missing_cnt(sc,
|
|
map_idx, element, wwid_table[i]);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Volume is not in mapping table yet. Find a
|
|
* free entry in the mapping table at the
|
|
* volume mapping locations. If no entries are
|
|
* available, this is an error because it means
|
|
* there are more volumes than can be mapped
|
|
* and that should never happen for volumes.
|
|
*/
|
|
map_idx = _mapping_get_free_ir_mt_idx(sc);
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX)
|
|
{
|
|
mpr_dprint(sc, MPR_ERROR | MPR_MAPPING,
|
|
"%s: failed to add the volume with "
|
|
"handle 0x%04x because there is no "
|
|
"free space available in the "
|
|
"mapping table\n", __func__,
|
|
le16toh(element->VolDevHandle));
|
|
continue;
|
|
}
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
mt_entry->physical_id = wwid_table[i];
|
|
mt_entry->id = map_idx;
|
|
mt_entry->dev_handle = le16toh(element->
|
|
VolDevHandle);
|
|
mt_entry->device_info = MPR_DEV_RESERVED |
|
|
MPR_MAP_IN_USE;
|
|
_mapping_update_ir_missing_cnt(sc, map_idx,
|
|
element, wwid_table[i]);
|
|
} else if (element->ReasonCode ==
|
|
MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
|
|
map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
|
|
wwid_table[i]);
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_MAPPING,"%s: Failed "
|
|
"to remove a volume because it has "
|
|
"already been removed.\n",
|
|
__func__);
|
|
continue;
|
|
}
|
|
_mapping_update_ir_missing_cnt(sc, map_idx,
|
|
element, wwid_table[i]);
|
|
} else if (element->ReasonCode ==
|
|
MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
|
|
map_idx = _mapping_get_mt_idx_from_handle(sc,
|
|
le16toh(element->VolDevHandle));
|
|
if (map_idx == MPR_MAPTABLE_BAD_IDX) {
|
|
mpr_dprint(sc, MPR_MAPPING,"%s: Failed "
|
|
"to remove volume with handle "
|
|
"0x%04x because it has already "
|
|
"been removed.\n", __func__,
|
|
le16toh(element->VolDevHandle));
|
|
continue;
|
|
}
|
|
mt_entry = &sc->mapping_table[map_idx];
|
|
_mapping_update_ir_missing_cnt(sc, map_idx,
|
|
element, mt_entry->physical_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
out:
|
|
_mapping_flush_dpm_pages(sc);
|
|
free(wwid_table, M_MPR);
|
|
if (sc->pending_map_events)
|
|
sc->pending_map_events--;
|
|
}
|