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Fix several problems with mapping code.

Browse Source 
Reviewed by:    ken, scottl, asomers, ambrisko, mav
Approved by:	ken, mav
MFC after:      1 week
Differential Revision: https://reviews.freebsd.org/D10861
This commit is contained in:
Stephen McConnell 2017-05-25 19:20:06 +00:00
parent 635e58c715
commit 327f2e6c56
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=318896
7 changed files with 926 additions and 470 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
share/man/man4/mpr.4
View File

@ -1,8 +1,8 @@
.\"
.\" Copyright (c) 2010 Spectra Logic Corporation
.\" Copyright (c) 2014 LSI Corp
.\" Copyright (c) 2017 Avago Technologies
.\" Copyright (c) 2017 Broadcom Ltd.
.\" Copyright (c) 2015-2017 Avago Technologies
.\" Copyright (c) 2015-2017 Broadcom Ltd.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
@ -38,7 +38,7 @@
.\" $Id$
.\" $FreeBSD$
.\"
.Dd May 17, 2017
.Dd May 25, 2017
.Dt MPR 4
.Os
.Sh NAME

5
sys/dev/mpr/mpr.c
View File

@ -520,7 +520,8 @@ mpr_iocfacts_allocate(struct mpr_softc *sc, uint8_t attaching)
*/
if (reallocating) {
mpr_iocfacts_free(sc);
mprsas_realloc_targets(sc, saved_facts.MaxTargets);
mprsas_realloc_targets(sc, saved_facts.MaxTargets +
saved_facts.MaxVolumes);
}
/*
@ -1663,6 +1664,7 @@ mpr_attach(struct mpr_softc *sc)
mtx_init(&sc->mpr_mtx, "MPR lock", NULL, MTX_DEF);
callout_init_mtx(&sc->periodic, &sc->mpr_mtx, 0);
callout_init_mtx(&sc->device_check_callout, &sc->mpr_mtx, 0);
TAILQ_INIT(&sc->event_list);
timevalclear(&sc->lastfail);
@ -1832,6 +1834,7 @@ mpr_free(struct mpr_softc *sc)
mpr_unlock(sc);
/* Lock must not be held for this */
callout_drain(&sc->periodic);
callout_drain(&sc->device_check_callout);
if (((error = mpr_detach_log(sc)) != 0) ||
((error = mpr_detach_sas(sc)) != 0))

1264
sys/dev/mpr/mpr_mapping.c
View File

File diff suppressed because it is too large Load Diff

28
sys/dev/mpr/mpr_sas.c
View File

@ -745,7 +745,7 @@ mpr_attach_sas(struct mpr_softc *sc)
* of MaxTargets here so that we don't get into trouble later. This
* should move into the reinit logic.
*/
sassc->maxtargets = sc->facts->MaxTargets;
sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes;
sassc->targets = malloc(sizeof(struct mprsas_target) *
sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO);
if (!sassc->targets) {
@ -963,6 +963,25 @@ mprsas_discovery_end(struct mprsas_softc *sassc)
if (sassc->flags & MPRSAS_DISCOVERY_TIMEOUT_PENDING)
callout_stop(&sassc->discovery_callout);
/*
* After discovery has completed, check the mapping table for any
* missing devices and update their missing counts. Only do this once
* whenever the driver is initialized so that missing counts aren't
* updated unnecessarily. Note that just because discovery has
* completed doesn't mean that events have been processed yet. The
* check_devices function is a callout timer that checks if ALL devices
* are missing. If so, it will wait a little longer for events to
* complete and keep resetting itself until some device in the mapping
* table is not missing, meaning that event processing has started.
*/
if (sc->track_mapping_events) {
mpr_dprint(sc, MPR_XINFO | MPR_MAPPING, "Discovery has "
"completed. Check for missing devices in the mapping "
"table.\n");
callout_reset(&sc->device_check_callout,
MPR_MISSING_CHECK_DELAY * hz, mpr_mapping_check_devices,
sc);
}
}
static void
@ -996,7 +1015,12 @@ mprsas_action(struct cam_sim *sim, union ccb *ccb)
cpi->hba_eng_cnt = 0;
cpi->max_target = sassc->maxtargets - 1;
cpi->max_lun = 255;
cpi->initiator_id = sassc->maxtargets - 1;
/*
* initiator_id is set here to an ID outside the set of valid
* target IDs (including volumes).
*/
cpi->initiator_id = sassc->maxtargets;
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN);
strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);

66
sys/dev/mpr/mpr_sas_lsi.c
View File

@ -223,8 +223,9 @@ mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
if (mprsas_add_device(sc,
le16toh(phy->AttachedDevHandle),
phy->LinkRate)) {
printf("%s: failed to add device with "
"handle 0x%x\n", __func__,
mpr_dprint(sc, MPR_ERROR, "%s: "
"failed to add device with handle "
"0x%x\n", __func__,
le16toh(phy->AttachedDevHandle));
mprsas_prepare_remove(sassc, le16toh(
phy->AttachedDevHandle));
@ -289,7 +290,7 @@ mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
element =
(Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
id = mpr_mapping_get_raid_id_from_handle(sc,
id = mpr_mapping_get_raid_tid_from_handle(sc,
element->VolDevHandle);
mpr_mapping_ir_config_change_event(sc, event_data);
@ -833,10 +834,17 @@ mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
* 1 - use the PhyNum field as a fallback to the mapping logic
* 0 - never use the PhyNum field
* -1 - only use the PhyNum field
*
* Note that using the Phy number to map a device can cause device adds
* to fail if multiple enclosures/expanders are in the topology. For
* example, if two devices are in the same slot number in two different
* enclosures within the topology, only one of those devices will be
* added. PhyNum mapping should not be used if multiple enclosures are
* in the topology.
*/
id = MPR_MAP_BAD_ID;
if (sc->use_phynum != -1)
id = mpr_mapping_get_sas_id(sc, sas_address, handle);
id = mpr_mapping_get_tid(sc, sas_address, handle);
if (id == MPR_MAP_BAD_ID) {
if ((sc->use_phynum == 0) ||
((id = config_page.PhyNum) > sassc->maxtargets)) {
@ -847,19 +855,31 @@ mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
goto out;
}
}
mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
__func__, id);
if (mprsas_check_id(sassc, id) != 0) {
device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
error = ENXIO;
goto out;
}
/*
* Only do the ID check and reuse check if the target is not from a
* RAID Component. For Physical Disks of a Volume, the ID will be reused
* when a volume is deleted because the mapping entry for the PD will
* still be in the mapping table. The ID check should not be done here
* either since this PD is already being used.
*/
targ = &sassc->targets[id];
if (targ->handle != 0x0) {
mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse target id "
"%d handle 0x%04x\n", id, targ->handle);
error = ENXIO;
goto out;
if (!(targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT)) {
if (mprsas_check_id(sassc, id) != 0) {
device_printf(sc->mpr_dev, "Excluding target id %d\n",
id);
error = ENXIO;
goto out;
}
if (targ->handle != 0x0) {
mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse "
"target id %d handle 0x%04x\n", id, targ->handle);
error = ENXIO;
goto out;
}
}
mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
@ -1256,14 +1276,16 @@ mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
goto out;
}
id = mpr_mapping_get_sas_id(sc, pcie_wwid, handle);
id = mpr_mapping_get_tid(sc, pcie_wwid, handle);
if (id == MPR_MAP_BAD_ID) {
printf("failure at %s:%d/%s()! Could not get ID for device "
"with handle 0x%04x\n", __FILE__, __LINE__, __func__,
handle);
mpr_dprint(sc, MPR_ERROR | MPR_INFO, "failure at %s:%d/%s()! "
"Could not get ID for device with handle 0x%04x\n",
__FILE__, __LINE__, __func__, handle);
error = ENXIO;
goto out;
}
mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
__func__, id);
if (mprsas_check_id(sassc, id) != 0) {
device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
@ -1356,7 +1378,7 @@ mprsas_volume_add(struct mpr_softc *sc, u16 handle)
goto out;
}
id = mpr_mapping_get_raid_id(sc, wwid, handle);
id = mpr_mapping_get_raid_tid(sc, wwid, handle);
if (id == MPR_MAP_BAD_ID) {
printf("%s: could not get ID for volume with handle 0x%04x and "
"WWID 0x%016llx\n", __func__, handle,
@ -1418,7 +1440,7 @@ mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
*/
sc->SSU_started = TRUE;
sc->SSU_refcount = 0;
for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
for (targetid = 0; targetid < sc->max_devices; targetid++) {
target = &sassc->targets[targetid];
if (target->handle == 0x0) {
continue;
@ -1602,7 +1624,7 @@ mprsas_ir_shutdown(struct mpr_softc *sc)
* 3: enable to SSD and HDD
* anything else will default to 1.
*/
for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
for (targetid = 0; targetid < sc->max_devices; targetid++) {
target = &sc->sassc->targets[targetid];
if (target->handle == 0x0) {
continue;

2
sys/dev/mpr/mpr_user.c
View File

@ -2145,7 +2145,7 @@ mpr_user_btdh(struct mpr_softc *sc, mpr_btdh_mapping_t *data)
data->DevHandle = dev_handle;
} else {
bus = 0;
target = mpr_mapping_get_sas_id_from_handle(sc, dev_handle);
target = mpr_mapping_get_tid_from_handle(sc, dev_handle);
data->Bus = bus;
data->TargetID = target;
}

25
sys/dev/mpr/mprvar.h
View File

@ -33,7 +33,7 @@
#ifndef _MPRVAR_H
#define _MPRVAR_H
#define MPR_DRIVER_VERSION "15.02.00.00-fbsd"
#define MPR_DRIVER_VERSION "15.03.00.00-fbsd"
#define MPR_DB_MAX_WAIT 2500
@ -69,6 +69,7 @@
#define MPR_PERIODIC_DELAY 1 /* 1 second heartbeat/watchdog check */
#define MPR_ATA_ID_TIMEOUT 5 /* 5 second timeout for SATA ID cmd */
#define MPR_MISSING_CHECK_DELAY 10 /* 10 seconds between missing check */
#define IFAULT_IOP_OVER_TEMP_THRESHOLD_EXCEEDED 0x2810
@ -88,7 +89,6 @@
#define MPR_MAX_MISSING_COUNT 0x0F
#define MPR_DEV_RESERVED 0x20000000
#define MPR_MAP_IN_USE 0x10000000
#define MPR_RAID_CHANNEL 1
#define MPR_MAP_BAD_ID 0xFFFFFFFF
typedef uint8_t u8;
@ -103,7 +103,6 @@ typedef uint64_t u64;
* @phy_bits: bitfields indicating controller phys
* @dpm_entry_num: index of this device in device persistent map table
* @dev_handle: device handle for the device pointed by this entry
* @channel: target channel
* @id: target id
* @missing_count: number of times the device not detected by driver
* @hide_flag: Hide this physical disk/not (foreign configuration)
@ -116,8 +115,7 @@ struct dev_mapping_table {
u32 phy_bits;
u16 dpm_entry_num;
u16 dev_handle;
u8 reserved1;
u8 channel;
u16 reserved1;
u16 id;
u8 missing_count;
u8 init_complete;
@ -306,6 +304,7 @@ struct mpr_softc {
struct mpr_chain *chains;
struct mpr_prp_page *prps;
struct callout periodic;
struct callout device_check_callout;
struct mprsas_softc *sassc;
char tmp_string[MPR_STRING_LENGTH];
@ -397,13 +396,10 @@ struct mpr_softc {
uint8_t max_volumes;
uint8_t num_enc_table_entries;
uint8_t num_rsvd_entries;
uint8_t num_channels;
uint16_t max_dpm_entries;
uint8_t is_dpm_enable;
uint8_t track_mapping_events;
uint32_t pending_map_events;
uint8_t mt_full_retry;
uint8_t mt_add_device_failed;
/* FW diag Buffer List */
mpr_fw_diagnostic_buffer_t
@ -774,19 +770,18 @@ void mpr_mapping_topology_change_event(struct mpr_softc *,
Mpi2EventDataSasTopologyChangeList_t *);
void mpr_mapping_pcie_topology_change_event(struct mpr_softc *sc,
Mpi26EventDataPCIeTopologyChangeList_t *event_data);
int mpr_mapping_is_reinit_required(struct mpr_softc *);
void mpr_mapping_free_memory(struct mpr_softc *sc);
int mpr_config_set_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
Mpi2DriverMappingPage0_t *, u16 );
void mpr_mapping_exit(struct mpr_softc *);
void mpr_mapping_check_devices(struct mpr_softc *, int);
void mpr_mapping_check_devices(void *);
int mpr_mapping_allocate_memory(struct mpr_softc *sc);
unsigned int mpr_mapping_get_sas_id(struct mpr_softc *, uint64_t , u16);
unsigned int mpr_mapping_get_sas_id_from_handle(struct mpr_softc *sc,
unsigned int mpr_mapping_get_tid(struct mpr_softc *, uint64_t , u16);
unsigned int mpr_mapping_get_tid_from_handle(struct mpr_softc *sc,
u16 handle);
unsigned int mpr_mapping_get_raid_id(struct mpr_softc *sc, u64 wwid,
u16 handle);
unsigned int mpr_mapping_get_raid_id_from_handle(struct mpr_softc *sc,
unsigned int mpr_mapping_get_raid_tid(struct mpr_softc *sc, u64 wwid,
u16 volHandle);
unsigned int mpr_mapping_get_raid_tid_from_handle(struct mpr_softc *sc,
u16 volHandle);
void mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *,
Mpi2EventDataSasEnclDevStatusChange_t *event_data);