Differential D10861 Diff 28812 head/sys/dev/mpr/mpr_mapping.c

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head/sys/dev/mpr/mpr_mapping.c

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#include <dev/mpr/mpi/mpi2_cnfg.h>		#include <dev/mpr/mpi/mpi2_cnfg.h>
#include <dev/mpr/mpi/mpi2_init.h>		#include <dev/mpr/mpi/mpi2_init.h>
#include <dev/mpr/mpi/mpi2_tool.h>		#include <dev/mpr/mpi/mpi2_tool.h>
#include <dev/mpr/mpr_ioctl.h>		#include <dev/mpr/mpr_ioctl.h>
#include <dev/mpr/mprvar.h>		#include <dev/mpr/mprvar.h>
#include <dev/mpr/mpr_mapping.h>		#include <dev/mpr/mpr_mapping.h>

/**		/**
* _mapping_clear_entry - Clear a particular mapping entry.		* _mapping_clear_map_entry - Clear a particular mapping entry.
* @map_entry: map table entry		* @map_entry: map table entry
*		*
* Returns nothing.		* Returns nothing.
*/		*/
static inline void		static inline void
_mapping_clear_map_entry(struct dev_mapping_table *map_entry)		_mapping_clear_map_entry(struct dev_mapping_table *map_entry)
{		{
map_entry->physical_id = 0;		map_entry->physical_id = 0;
map_entry->device_info = 0;		map_entry->device_info = 0;
map_entry->phy_bits = 0;		map_entry->phy_bits = 0;
map_entry->dpm_entry_num = MPR_DPM_BAD_IDX;		map_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
map_entry->dev_handle = 0;		map_entry->dev_handle = 0;
map_entry->channel = -1;
map_entry->id = -1;		map_entry->id = -1;
map_entry->missing_count = 0;		map_entry->missing_count = 0;
map_entry->init_complete = 0;		map_entry->init_complete = 0;
map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;		map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
}		}

/**		/**
* _mapping_clear_enc_entry - Clear a particular enclosure table entry.		* _mapping_clear_enc_entry - Clear a particular enclosure table entry.
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	_mapping_commit_enc_entry(struct mpr_softc *sc,
dpm_entry->DeviceIndex = htole16(mt_entry->id);		dpm_entry->DeviceIndex = htole16(mt_entry->id);
dpm_entry->MappingInformation = et_entry->num_slots;		dpm_entry->MappingInformation = et_entry->num_slots;
dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;		dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
dpm_entry->MappingInformation \|= et_entry->missing_count;		dpm_entry->MappingInformation \|= et_entry->missing_count;
dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);		dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);		dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);
dpm_entry->Reserved1 = 0;		dpm_entry->Reserved1 = 0;

		mpr_dprint(sc, MPR_MAPPING, "%s: Writing DPM entry %d for enclosure.\n",
		__func__, et_entry->dpm_entry_num);
memcpy(&config_page.Entry, (u8 *)dpm_entry,		memcpy(&config_page.Entry, (u8 *)dpm_entry,
sizeof(Mpi2DriverMap0Entry_t));		sizeof(Mpi2DriverMap0Entry_t));
if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,		if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
et_entry->dpm_entry_num)) {		et_entry->dpm_entry_num)) {
printf("%s: write of dpm entry %d for enclosure failed\n",		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: Write of DPM "
__func__, et_entry->dpm_entry_num);		"entry %d for enclosure failed.\n", __func__,
		et_entry->dpm_entry_num);
dpm_entry->MappingInformation = le16toh(dpm_entry->		dpm_entry->MappingInformation = le16toh(dpm_entry->
MappingInformation);		MappingInformation);
dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);		dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
dpm_entry->PhysicalBitsMapping =		dpm_entry->PhysicalBitsMapping =
le32toh(dpm_entry->PhysicalBitsMapping);		le32toh(dpm_entry->PhysicalBitsMapping);
return -1;		return -1;
}		}
dpm_entry->MappingInformation = le16toh(dpm_entry->		dpm_entry->MappingInformation = le16toh(dpm_entry->
MappingInformation);		MappingInformation);
dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);		dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
dpm_entry->PhysicalBitsMapping =		dpm_entry->PhysicalBitsMapping =
le32toh(dpm_entry->PhysicalBitsMapping);		le32toh(dpm_entry->PhysicalBitsMapping);
return 0;		return 0;
}		}

/**		/**
* _mapping_commit_map_entry - write a particular map table entry in DPM page0.		* _mapping_commit_map_entry - write a particular map table entry in DPM page0.
* @sc: per adapter object		* @sc: per adapter object
* @enc_entry: enclosure table entry		* @mt_entry: mapping table entry
*		*
* Returns 0 for success, non-zero for failure.		* Returns 0 for success, non-zero for failure.
*/		*/

static int		static int
_mapping_commit_map_entry(struct mpr_softc *sc,		_mapping_commit_map_entry(struct mpr_softc *sc,
struct dev_mapping_table *mt_entry)		struct dev_mapping_table *mt_entry)
{		{
Mpi2DriverMap0Entry_t *dpm_entry;		Mpi2DriverMap0Entry_t *dpm_entry;
Mpi2ConfigReply_t mpi_reply;		Mpi2ConfigReply_t mpi_reply;
Mpi2DriverMappingPage0_t config_page;		Mpi2DriverMappingPage0_t config_page;

if (!sc->is_dpm_enable)		if (!sc->is_dpm_enable)
return 0;		return 0;

		/*
		* It's possible that this Map Entry points to a BAD DPM index. This
		* can happen if the Map Entry is a for a missing device and the DPM
		* entry that was being used by this device is now being used by some
		* new device. So, check for a BAD DPM index and just return if so.
		*/
		if (mt_entry->dpm_entry_num == MPR_DPM_BAD_IDX) {
		mpr_dprint(sc, MPR_MAPPING, "%s: DPM entry location for target "
		"%d is invalid. DPM will not be written.\n", __func__,
		mt_entry->id);
		return 0;
		}

memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));		memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,		memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));		sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
dpm_entry = (Mpi2DriverMap0Entry_t )((u8 ) sc->dpm_pg0 +		dpm_entry = (Mpi2DriverMap0Entry_t )((u8 ) sc->dpm_pg0 +
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));		sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
dpm_entry = dpm_entry + mt_entry->dpm_entry_num;		dpm_entry = dpm_entry + mt_entry->dpm_entry_num;
dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &		dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &
mt_entry->physical_id);		mt_entry->physical_id);
dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);		dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);
dpm_entry->DeviceIndex = htole16(mt_entry->id);		dpm_entry->DeviceIndex = htole16(mt_entry->id);
dpm_entry->MappingInformation = htole16(mt_entry->missing_count);		dpm_entry->MappingInformation = htole16(mt_entry->missing_count);
dpm_entry->PhysicalBitsMapping = 0;		dpm_entry->PhysicalBitsMapping = 0;
dpm_entry->Reserved1 = 0;		dpm_entry->Reserved1 = 0;
dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
memcpy(&config_page.Entry, (u8 *)dpm_entry,		memcpy(&config_page.Entry, (u8 *)dpm_entry,
sizeof(Mpi2DriverMap0Entry_t));		sizeof(Mpi2DriverMap0Entry_t));

		mpr_dprint(sc, MPR_MAPPING, "%s: Writing DPM entry %d for target %d.\n",
		__func__, mt_entry->dpm_entry_num, mt_entry->id);
if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,		if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
mt_entry->dpm_entry_num)) {		mt_entry->dpm_entry_num)) {
printf("%s: write of dpm entry %d for device failed\n",		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: Write of DPM "
__func__, mt_entry->dpm_entry_num);		"entry %d for target %d failed.\n", __func__,
		mt_entry->dpm_entry_num, mt_entry->id);
dpm_entry->MappingInformation = le16toh(dpm_entry->		dpm_entry->MappingInformation = le16toh(dpm_entry->
MappingInformation);		MappingInformation);
dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);		dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
return -1;		return -1;
}		}

dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);		dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);		dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
▲ Show 20 Lines • Show All 91 Lines • ▼ Show 20 Lines	_mapping_get_high_missing_et_idx(struct mpr_softc *sc)
struct enc_mapping_table *et_entry;		struct enc_mapping_table *et_entry;
u8 high_missing_count = 0;		u8 high_missing_count = 0;
u8 enc_idx, high_idx = MPR_ENCTABLE_BAD_IDX;		u8 enc_idx, high_idx = MPR_ENCTABLE_BAD_IDX;

for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {		for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
et_entry = &sc->enclosure_table[enc_idx];		et_entry = &sc->enclosure_table[enc_idx];
if ((et_entry->missing_count > high_missing_count) &&		if ((et_entry->missing_count > high_missing_count) &&
!et_entry->skip_search) {		!et_entry->skip_search) {
high_missing_count = et_entry->missing_count;		high_missing_count = et_entry->missing_count;
high_idx = enc_idx;		high_idx = enc_idx;
}		}
}		}
return high_idx;		return high_idx;
}		}

/**		/**
* _mapping_get_high_missing_mt_idx - get missing map table index		* _mapping_get_high_missing_mt_idx - get missing map table index
* @sc: per adapter object		* @sc: per adapter object
*		*
* Search through the map table and identifies the device entry		* Search through the map table and identifies the device entry
* with high missing count and returns it's index		* with high missing count and returns it's index
*		*
* Returns the index of map table entry on success or bad index.		* Returns the index of map table entry on success or bad index.
*/		*/
static u32		static u32
_mapping_get_high_missing_mt_idx(struct mpr_softc *sc)		_mapping_get_high_missing_mt_idx(struct mpr_softc *sc)
{		{
u32 map_idx, high_idx = MPR_ENCTABLE_BAD_IDX;		u32 map_idx, high_idx = MPR_MAPTABLE_BAD_IDX;
u8 high_missing_count = 0;		u8 high_missing_count = 0;
u32 start_idx, end_idx, start_idx_ir, end_idx_ir;		u32 start_idx, end_idx, start_idx_ir, end_idx_ir;
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);		u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);

start_idx = 0;		start_idx = 0;
start_idx_ir = 0;		start_idx_ir = 0;
end_idx_ir = 0;		end_idx_ir = 0;
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static u32		static u32
_mapping_get_ir_mt_idx_from_wwid(struct mpr_softc *sc, u64 wwid)		_mapping_get_ir_mt_idx_from_wwid(struct mpr_softc *sc, u64 wwid)
{		{
u32 start_idx, end_idx, map_idx;		u32 start_idx, end_idx, map_idx;
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;

_mapping_get_ir_maprange(sc, &start_idx, &end_idx);		_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
mt_entry = &sc->mapping_table[start_idx];		mt_entry = &sc->mapping_table[start_idx];
for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)		for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
if (mt_entry->physical_id == wwid)		if (mt_entry->physical_id == wwid)
return map_idx;		return map_idx;

return MPR_MAPTABLE_BAD_IDX;		return MPR_MAPTABLE_BAD_IDX;
}		}

/**		/**
* _mapping_get_mt_idx_from_id - get map table index from a device ID		* _mapping_get_mt_idx_from_id - get map table index from a device ID
▲ Show 20 Lines • Show All 71 Lines • ▼ Show 20 Lines
static u32		static u32
_mapping_get_free_ir_mt_idx(struct mpr_softc *sc)		_mapping_get_free_ir_mt_idx(struct mpr_softc *sc)
{		{
u8 high_missing_count = 0;		u8 high_missing_count = 0;
u32 start_idx, end_idx, map_idx;		u32 start_idx, end_idx, map_idx;
u32 high_idx = MPR_MAPTABLE_BAD_IDX;		u32 high_idx = MPR_MAPTABLE_BAD_IDX;
struct dev_mapping_table *mt_entry;		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);		_mapping_get_ir_maprange(sc, &start_idx, &end_idx);

mt_entry = &sc->mapping_table[start_idx];		mt_entry = &sc->mapping_table[start_idx];
for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)		for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
if (!(mt_entry->device_info & MPR_MAP_IN_USE))		if (!(mt_entry->device_info & MPR_MAP_IN_USE))
return map_idx;		return map_idx;

mt_entry = &sc->mapping_table[start_idx];
for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
if (mt_entry->missing_count > high_missing_count) {		if (mt_entry->missing_count > high_missing_count) {
high_missing_count = mt_entry->missing_count;		high_missing_count = mt_entry->missing_count;
high_idx = map_idx;		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;		return high_idx;
}		}

/**		/**
* _mapping_get_free_mt_idx - get first free index for a device		* _mapping_get_free_mt_idx - get first free index for a device
* @sc: per adapter object		* @sc: per adapter object
* @start_idx: offset in the table to start search		* @start_idx: offset in the table to start search
*		*
* Returns the index of map table entry on success or bad index.		* Returns the index of map table entry on success or bad index.
*/		*/
static u32		static u32
_mapping_get_free_mt_idx(struct mpr_softc *sc, u32 start_idx)		_mapping_get_free_mt_idx(struct mpr_softc *sc, u32 start_idx)
{		{
u32 map_idx, max_idx = sc->max_devices;		u32 map_idx, max_idx = sc->max_devices;
struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];		struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
u16 volume_mapping_flags;		u16 volume_mapping_flags;

volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &		volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;		MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
if (sc->ir_firmware && (volume_mapping_flags ==		if (sc->ir_firmware && (volume_mapping_flags ==
MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))		MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
max_idx -= sc->max_volumes;		max_idx -= sc->max_volumes;

for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)		for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
if (!(mt_entry->device_info & (MPR_MAP_IN_USE \|		if (!(mt_entry->device_info & (MPR_MAP_IN_USE \|
MPR_DEV_RESERVED)))		MPR_DEV_RESERVED)))
return map_idx;		return map_idx;

return MPR_MAPTABLE_BAD_IDX;		return MPR_MAPTABLE_BAD_IDX;
}		}

Show All 32 Lines
* @sc: per adapter object		* @sc: per adapter object
*		*
* Returns the index of DPM entry on success or bad index.		* Returns the index of DPM entry on success or bad index.
*/		*/
static u32		static u32
_mapping_get_free_dpm_idx(struct mpr_softc *sc)		_mapping_get_free_dpm_idx(struct mpr_softc *sc)
{		{
u16 entry_num;		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++) {		for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
if (!sc->dpm_entry_used[entry_num])		dpm_entry = (Mpi2DriverMap0Entry_t ) ((u8 )sc->dpm_pg0 +
return entry_num;		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;
}		}
return MPR_DPM_BAD_IDX;		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		* _mapping_update_ir_missing_cnt - Updates missing count for a volume
* @sc: per adapter object		* @sc: per adapter object
* @map_idx: map table index of the volume		* @map_idx: map table index of the volume
* @element: IR configuration change element		* @element: IR configuration change element
* @wwid: IR volume ID.		* @wwid: IR volume ID.
*		*
* Updates the missing count in the map table and in the DPM entry for a volume		* Updates the missing count in the map table and in the DPM entry for a volume
*		*
* Returns nothing.		* Returns nothing.
*/		*/
static void		static void
_mapping_update_ir_missing_cnt(struct mpr_softc *sc, u32 map_idx,		_mapping_update_ir_missing_cnt(struct mpr_softc *sc, u32 map_idx,
Mpi2EventIrConfigElement_t *element, u64 wwid)		Mpi2EventIrConfigElement_t *element, u64 wwid)
{		{
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
u8 missing_cnt, reason = element->ReasonCode;		u8 missing_cnt, reason = element->ReasonCode, update_dpm = 1;
u16 dpm_idx;		u16 dpm_idx;
Mpi2DriverMap0Entry_t *dpm_entry;		Mpi2DriverMap0Entry_t *dpm_entry;

if (!sc->is_dpm_enable)		/*
return;		* 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 = &sc->mapping_table[map_idx];
if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) {		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;		mt_entry->missing_count = 0;
} else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {		} else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
mt_entry->missing_count = 0;
mt_entry->init_complete = 0;
} else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) \|\|
(reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) {
if (!mt_entry->init_complete) {
if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)		if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
mt_entry->missing_count++;		mt_entry->missing_count++;
else
mt_entry->init_complete = 1;		mt_entry->device_info &= ~MPR_MAP_IN_USE;
}
if (!mt_entry->missing_count)
mt_entry->missing_count++;
mt_entry->dev_handle = 0;		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;		dpm_idx = mt_entry->dpm_entry_num;
if (dpm_idx == MPR_DPM_BAD_IDX) {		if (dpm_idx == MPR_DPM_BAD_IDX) {
if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) \|\|		if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
(reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED))		{
dpm_idx = _mapping_get_dpm_idx_from_id(sc,		mpr_dprint(sc, MPR_MAPPING, "%s: Volume being deleted "
mt_entry->physical_id, 0);		"is not in DPM so DPM missing count will not be "
else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)		"updated.\n", __func__);
return;		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) {		if (dpm_idx != MPR_DPM_BAD_IDX) {
dpm_entry = (Mpi2DriverMap0Entry_t )((u8 )sc->dpm_pg0 +		dpm_entry = (Mpi2DriverMap0Entry_t )((u8 )sc->dpm_pg0 +
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));		sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
missing_cnt = dpm_entry->MappingInformation &		missing_cnt = dpm_entry->MappingInformation &
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;		MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
if ((mt_entry->physical_id ==		if ((mt_entry->physical_id ==
le64toh((u64)dpm_entry->PhysicalIdentifier.High \|		le64toh(((u64)dpm_entry->PhysicalIdentifier.High << 32) \|
dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==		(u64)dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
mt_entry->missing_count))		mt_entry->missing_count)) {
mt_entry->init_complete = 1;		mpr_dprint(sc, MPR_MAPPING, "%s: DPM entry for volume "
} else {		"with target ID %d does not require an update.\n",
dpm_idx = _mapping_get_free_dpm_idx(sc);		__func__, mt_entry->id);
mt_entry->init_complete = 0;		update_dpm = 0;
}		}
		}

if ((dpm_idx != MPR_DPM_BAD_IDX) && !mt_entry->init_complete) {		/*
mt_entry->init_complete = 1;		* 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;		mt_entry->dpm_entry_num = dpm_idx;
dpm_entry = (Mpi2DriverMap0Entry_t )((u8 )sc->dpm_pg0 +		dpm_entry = (Mpi2DriverMap0Entry_t )((u8 )sc->dpm_pg0 +
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));		sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
dpm_entry->PhysicalIdentifier.Low =		dpm_entry->PhysicalIdentifier.Low =
(0xFFFFFFFF & mt_entry->physical_id);		(0xFFFFFFFF & mt_entry->physical_id);
dpm_entry->PhysicalIdentifier.High =		dpm_entry->PhysicalIdentifier.High =
(mt_entry->physical_id >> 32);		(mt_entry->physical_id >> 32);
dpm_entry->DeviceIndex = map_idx;		dpm_entry->DeviceIndex = map_idx;
dpm_entry->MappingInformation = mt_entry->missing_count;		dpm_entry->MappingInformation = mt_entry->missing_count;
dpm_entry->PhysicalBitsMapping = 0;		dpm_entry->PhysicalBitsMapping = 0;
dpm_entry->Reserved1 = 0;		dpm_entry->Reserved1 = 0;
sc->dpm_flush_entry[dpm_idx] = 1;		sc->dpm_flush_entry[dpm_idx] = 1;
sc->dpm_entry_used[dpm_idx] = 1;		sc->dpm_entry_used[dpm_idx] = 1;
} else if (dpm_idx == MPR_DPM_BAD_IDX) {		} else if (dpm_idx == MPR_DPM_BAD_IDX) {
printf("%s: no space to add entry in DPM table\n", __func__);		mpr_dprint(sc, MPR_INFO \| MPR_MAPPING, "%s: No space to add an "
mt_entry->init_complete = 1;		"entry in the DPM table for volume with target ID %d.\n",
		__func__, mt_entry->id);
}		}
}		}

/**		/**
* _mapping_add_to_removal_table - mark an entry for removal		* _mapping_add_to_removal_table - add DPM index to the removal table
* @sc: per adapter object		* @sc: per adapter object
* @handle: Handle of enclosures/device/volume		* @dpm_idx: Index of DPM entry to remove
*		*
* Adds the handle or DPM entry number in removal table.		* Adds a DPM entry number to the removal table.
*		*
* Returns nothing.		* Returns nothing.
*/		*/
static void		static void
_mapping_add_to_removal_table(struct mpr_softc *sc, u16 handle,		_mapping_add_to_removal_table(struct mpr_softc *sc, u16 dpm_idx)
u16 dpm_idx)
{		{
struct map_removal_table *remove_entry;		struct map_removal_table *remove_entry;
u32 i;		u32 i;
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);

remove_entry = sc->removal_table;		/*
		* 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++) {		for (i = 0; i < sc->max_devices; i++, remove_entry++) {
if (remove_entry->dev_handle \|\| remove_entry->dpm_entry_num !=		if (remove_entry->dpm_entry_num != MPR_DPM_BAD_IDX)
MPR_DPM_BAD_IDX)
continue;		continue;
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		mpr_dprint(sc, MPR_MAPPING, "%s: Adding DPM entry %d to table "
if (dpm_idx)		"for removal.\n", __func__, dpm_idx);
remove_entry->dpm_entry_num = dpm_idx;		remove_entry->dpm_entry_num = dpm_idx;
if (remove_entry->dpm_entry_num == MPR_DPM_BAD_IDX)
remove_entry->dev_handle = handle;
} else if ((ioc_pg8_flags &
MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING)
remove_entry->dev_handle = handle;
break;		break;
}		}

}		}

/**		/**
* _mapping_inc_missing_count		* _mapping_inc_missing_count
* @sc: per adapter object		* @sc: per adapter object
* @map_idx: index into the mapping table for the device that is missing		* @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		* 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		* device that is not responding. If Persitent Mapping is used, increment the
* DPM entry as well. Also, add this device to the removal table for possible		* DPM entry as well. Currently, this function is only called if the target
* removal if a new device is added.		* 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.		* Returns nothing.
*/		*/
static void		static void
_mapping_inc_missing_count(struct mpr_softc *sc, u32 map_idx)		_mapping_inc_missing_count(struct mpr_softc *sc, u32 map_idx)
{		{
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);		u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
Mpi2DriverMap0Entry_t *dpm_entry;		Mpi2DriverMap0Entry_t *dpm_entry;

if (map_idx == MPR_MAPTABLE_BAD_IDX) {		if (map_idx == MPR_MAPTABLE_BAD_IDX) {
mpr_dprint(sc, MPR_INFO, "%s: device is already removed from "		mpr_dprint(sc, MPR_INFO \| MPR_MAPPING, "%s: device is already "
"mapping table\n", __func__);		"removed from mapping table\n", __func__);
return;		return;
}		}
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (!mt_entry->init_complete) {
if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)		if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
mt_entry->missing_count++;		mt_entry->missing_count++;
else
mt_entry->init_complete = 1;		/*
		* 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);
}		}
if (!mt_entry->missing_count)
mt_entry->missing_count++;
_mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0);
mt_entry->dev_handle = 0;

		/*
		* 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) ==		if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&		MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
sc->is_dpm_enable && !mt_entry->init_complete &&		sc->is_dpm_enable &&
mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {		mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
dpm_entry = (Mpi2DriverMap0Entry_t ) ((u8 )sc->dpm_pg0 +		dpm_entry = (Mpi2DriverMap0Entry_t ) ((u8 )sc->dpm_pg0 +
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));		sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
dpm_entry += mt_entry->dpm_entry_num;		dpm_entry += mt_entry->dpm_entry_num;
		if (dpm_entry->MappingInformation != mt_entry->missing_count) {
dpm_entry->MappingInformation = mt_entry->missing_count;		dpm_entry->MappingInformation = mt_entry->missing_count;
sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;		sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;
}		}
mt_entry->init_complete = 1;
}		}
		}

/**		/**
* _mapping_update_missing_count - Update missing count for a device		* _mapping_update_missing_count - Update missing count for a device
* @sc: per adapter object		* @sc: per adapter object
* @topo_change: Topology change event entry		* @topo_change: Topology change event entry
*		*
* Search through the topology change list and if any device is found not		* 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		* responding it's associated map table entry and DPM entry is updated
▲ Show 20 Lines • Show All 74 Lines • ▼ Show 20 Lines	_mapping_find_enc_map_space(struct mpr_softc *sc,
u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);		u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);

skip_count = sc->num_rsvd_entries;		skip_count = sc->num_rsvd_entries;
num_found = 0;		num_found = 0;

vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &		vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;		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)		if (!sc->ir_firmware)
end_of_table = sc->max_devices;		end_of_table = sc->max_devices;
else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)		else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
end_of_table = sc->max_devices;		end_of_table = sc->max_devices;
else		else
end_of_table = sc->max_devices - sc->max_volumes;		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);		for (map_idx = (max_num_phy_ids + skip_count);
map_idx < end_of_table; map_idx++) {		map_idx < end_of_table; map_idx++) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if ((et_entry->enclosure_id == mt_entry->physical_id) &&		if ((et_entry->enclosure_id == mt_entry->physical_id) &&
(!mt_entry->phy_bits \|\| (mt_entry->phy_bits &		(!mt_entry->phy_bits \|\| (mt_entry->phy_bits &
et_entry->phy_bits))) {		et_entry->phy_bits))) {
num_found += 1;		num_found += 1;
if (num_found == et_entry->num_slots) {		if (num_found == et_entry->num_slots) {
start_idx = (map_idx - num_found) + 1;		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;		return start_idx;
}		}
} else		} else
num_found = 0;		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);		for (map_idx = (max_num_phy_ids + skip_count);
map_idx < end_of_table; map_idx++) {		map_idx < end_of_table; map_idx++) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {		if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
num_found += 1;		num_found += 1;
if (num_found == et_entry->num_slots) {		if (num_found == et_entry->num_slots) {
start_idx = (map_idx - num_found) + 1;		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;		return start_idx;
}		}
} else		} else
num_found = 0;		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) {		while (!done_flag) {
enc_idx = _mapping_get_high_missing_et_idx(sc);		enc_idx = _mapping_get_high_missing_et_idx(sc);
if (enc_idx == MPR_ENCTABLE_BAD_IDX)		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;		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 = &sc->enclosure_table[enc_idx];
/VSP FIXME/
enc_entry->skip_search = 1;		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];		mt_entry = &sc->mapping_table[enc_entry->start_index];
for (map_idx = enc_entry->start_index; map_idx <		for (map_idx = enc_entry->start_index; map_idx <
(enc_entry->start_index + enc_entry->num_slots); map_idx++,		(enc_entry->start_index + enc_entry->num_slots); map_idx++,
mt_entry++)		mt_entry++)
mt_entry->device_info &= ~MPR_DEV_RESERVED;		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;		found_space = 0;
for (map_idx = (max_num_phy_ids +		num_found = 0;
skip_count); map_idx < end_of_table; map_idx++) {		for (map_idx = (max_num_phy_ids + skip_count);
		map_idx < end_of_table; map_idx++) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {		if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
num_found += 1;		num_found += 1;
if (num_found == et_entry->num_slots) {		if (num_found == et_entry->num_slots) {
start_idx = (map_idx - num_found) + 1;		start_idx = (map_idx - num_found) + 1;
found_space = 1;		found_space = 1;
		break;
}		}
} else		} else
num_found = 0;		num_found = 0;
}		}

if (!found_space)		if (!found_space)
continue;		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);		for (map_idx = start_idx; map_idx < (start_idx + num_found);
map_idx++) {		map_idx++) {
enc_entry = sc->enclosure_table;		enc_entry = sc->enclosure_table;
for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;		for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
enc_idx++, enc_entry++) {		enc_idx++, enc_entry++) {
if (map_idx < enc_entry->start_index \|\|		if (map_idx < enc_entry->start_index \|\|
map_idx > (enc_entry->start_index +		map_idx > (enc_entry->start_index +
enc_entry->num_slots))		enc_entry->num_slots))
continue;		continue;
if (!enc_entry->removal_flag) {		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;		enc_entry->removal_flag = 1;
_mapping_add_to_removal_table(sc, 0,		_mapping_add_to_removal_table(sc,
enc_entry->dpm_entry_num);		enc_entry->dpm_entry_num);
}		}
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (mt_entry->device_info &
MPR_MAP_IN_USE) {
_mapping_add_to_removal_table(sc,
mt_entry->dev_handle, 0);
_mapping_clear_map_entry(mt_entry);		_mapping_clear_map_entry(mt_entry);
}
if (map_idx == (enc_entry->start_index +		if (map_idx == (enc_entry->start_index +
enc_entry->num_slots - 1))		enc_entry->num_slots - 1))
_mapping_clear_enc_entry(et_entry);		_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;		enc_entry = sc->enclosure_table;
for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;		for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
enc_idx++, enc_entry++) {		enc_idx++, enc_entry++) {
if (!enc_entry->removal_flag) {		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->		mt_entry = &sc->mapping_table[enc_entry->
start_index];		start_index];
for (map_idx = enc_entry->start_index; map_idx <		for (map_idx = enc_entry->start_index; map_idx <
(enc_entry->start_index +		(enc_entry->start_index +
enc_entry->num_slots); map_idx++,		enc_entry->num_slots); map_idx++,
mt_entry++)		mt_entry++)
mt_entry->device_info \|=		mt_entry->device_info \|=
MPR_DEV_RESERVED;		MPR_DEV_RESERVED;
Show All 17 Lines
*/		*/
static void		static void
_mapping_get_dev_info(struct mpr_softc *sc,		_mapping_get_dev_info(struct mpr_softc *sc,
struct _map_topology_change *topo_change)		struct _map_topology_change *topo_change)
{		{
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);		u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
Mpi2ConfigReply_t mpi_reply;		Mpi2ConfigReply_t mpi_reply;
Mpi2SasDevicePage0_t sas_device_pg0;		Mpi2SasDevicePage0_t sas_device_pg0;
u8 entry, enc_idx, phy_idx, sata_end_device;		u8 entry, enc_idx, phy_idx;
u32 map_idx, index, device_info;		u32 map_idx, index, device_info;
struct _map_phy_change phy_change, tmp_phy_change;		struct _map_phy_change phy_change, tmp_phy_change;
uint64_t sas_address;		uint64_t sas_address;
struct enc_mapping_table *et_entry;		struct enc_mapping_table *et_entry;
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;		u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
int rc = 1;		int rc = 1;

for (entry = 0; entry < topo_change->num_entries; entry++) {		for (entry = 0; entry < topo_change->num_entries; entry++) {
phy_change = &topo_change->phy_details[entry];		phy_change = &topo_change->phy_details[entry];
if (phy_change->is_processed \|\| !phy_change->dev_handle \|\|		if (phy_change->is_processed \|\| !phy_change->dev_handle \|\|
phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)		phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
continue;		continue;

if (mpr_config_get_sas_device_pg0(sc, &mpi_reply,		if (mpr_config_get_sas_device_pg0(sc, &mpi_reply,
&sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,		&sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
phy_change->dev_handle)) {		phy_change->dev_handle)) {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
continue;		continue;
}		}

/*		/*
* Always get SATA Identify information because this is used		* Always get SATA Identify information because this is used
* to determine if Start/Stop Unit should be sent to the drive		* to determine if Start/Stop Unit should be sent to the drive
* when the system is shutdown.		* when the system is shutdown.
*/		*/
device_info = le32toh(sas_device_pg0.DeviceInfo);		device_info = le32toh(sas_device_pg0.DeviceInfo);
sas_address = sas_device_pg0.SASAddress.High;		sas_address = le32toh(sas_device_pg0.SASAddress.High);
sas_address = (sas_address << 32) \|		sas_address = (sas_address << 32) \|
sas_device_pg0.SASAddress.Low;		le32toh(sas_device_pg0.SASAddress.Low);
sata_end_device = 0;
if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&		if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
(device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {		(device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
sata_end_device = 1;
rc = mprsas_get_sas_address_for_sata_disk(sc,		rc = mprsas_get_sas_address_for_sata_disk(sc,
&sas_address, phy_change->dev_handle, device_info,		&sas_address, phy_change->dev_handle, device_info,
&phy_change->is_SATA_SSD);		&phy_change->is_SATA_SSD);
if (rc) {		if (rc) {
mpr_dprint(sc, MPR_ERROR, "%s: failed to get "		mpr_dprint(sc, MPR_ERROR, "%s: failed to get "
"disk type (SSD or HDD) and SAS Address "		"disk type (SSD or HDD) and SAS Address "
"for SATA device with handle 0x%04x\n",		"for SATA device with handle 0x%04x\n",
__func__, phy_change->dev_handle);		__func__, phy_change->dev_handle);
} else {		} else {
mpr_dprint(sc, MPR_INFO, "SAS Address for SATA "		mpr_dprint(sc, MPR_INFO, "SAS Address for SATA "
"device = %jx\n", sas_address);		"device = %jx\n", sas_address);
}		}
}		}

phy_change->physical_id = sas_address;		phy_change->physical_id = sas_address;
phy_change->slot = le16toh(sas_device_pg0.Slot);		phy_change->slot = le16toh(sas_device_pg0.Slot);
phy_change->device_info = device_info;		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) ==		if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		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,		enc_idx = _mapping_get_enc_idx_from_handle(sc,
topo_change->enc_handle);		topo_change->enc_handle);
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {		if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
mpr_dprint(sc, MPR_MAPPING, "%s: failed to add "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
"the device with handle 0x%04x because the "		"failed to add the device with handle "
"enclosure is not in the mapping table\n",		"0x%04x because the enclosure is not in "
__func__, phy_change->dev_handle);		"the mapping table\n", __func__,
		phy_change->dev_handle);
continue;		continue;
}		}
if (!((phy_change->device_info &		if (!((phy_change->device_info &
MPI2_SAS_DEVICE_INFO_END_DEVICE) &&		MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
(phy_change->device_info &		(phy_change->device_info &
(MPI2_SAS_DEVICE_INFO_SSP_TARGET \|		(MPI2_SAS_DEVICE_INFO_SSP_TARGET \|
MPI2_SAS_DEVICE_INFO_STP_TARGET \|		MPI2_SAS_DEVICE_INFO_STP_TARGET \|
MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {		MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
continue;		continue;
}		}
et_entry = &sc->enclosure_table[enc_idx];		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)		if (et_entry->start_index != MPR_MAPTABLE_BAD_IDX)
continue;		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) {		if (!topo_change->exp_handle) {
map_idx = sc->num_rsvd_entries;		map_idx = sc->num_rsvd_entries;
et_entry->start_index = map_idx;		et_entry->start_index = map_idx;
} else {		} else {
map_idx = _mapping_find_enc_map_space(sc,		map_idx = _mapping_find_enc_map_space(sc,
et_entry);		et_entry);
et_entry->start_index = map_idx;		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 ==		if (et_entry->start_index ==
MPR_MAPTABLE_BAD_IDX) {		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;		phy_change->is_processed = 1;
for (phy_idx = 0; phy_idx <		for (phy_idx = 0; phy_idx <
topo_change->num_entries;		topo_change->num_entries;
phy_idx++) {		phy_idx++) {
tmp_phy_change =		tmp_phy_change =
&topo_change->phy_details		&topo_change->phy_details
[phy_idx];		[phy_idx];
if (tmp_phy_change->reason ==		if (tmp_phy_change->reason ==
add_code)		add_code)
tmp_phy_change->		tmp_phy_change->
is_processed = 1;		is_processed = 1;
}		}
break;		break;
}		}
}		}

/* Found space in enclosure for mapping entry */		/*
		* 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];		mt_entry = &sc->mapping_table[map_idx];
for (index = map_idx; index < (et_entry->num_slots		for (index = map_idx; index < (et_entry->num_slots
+ map_idx); index++, mt_entry++) {		+ map_idx); index++, mt_entry++) {
mt_entry->device_info = MPR_DEV_RESERVED;		mt_entry->device_info = MPR_DEV_RESERVED;
mt_entry->physical_id = et_entry->enclosure_id;		mt_entry->physical_id = et_entry->enclosure_id;
mt_entry->phy_bits = et_entry->phy_bits;		mt_entry->phy_bits = et_entry->phy_bits;
mt_entry->missing_count = 0;		mt_entry->missing_count = 0;
}		}
▲ Show 20 Lines • Show All 41 Lines • ▼ Show 20 Lines	for (entry = 0; entry < topo_change->num_entries; entry++) {
}		}

pcie_wwid = pcie_device_pg0.WWID.High;		pcie_wwid = pcie_device_pg0.WWID.High;
pcie_wwid = (pcie_wwid << 32) \| pcie_device_pg0.WWID.Low;		pcie_wwid = (pcie_wwid << 32) \| pcie_device_pg0.WWID.Low;
port_change->physical_id = pcie_wwid;		port_change->physical_id = pcie_wwid;
port_change->slot = le16toh(pcie_device_pg0.Slot);		port_change->slot = le16toh(pcie_device_pg0.Slot);
port_change->device_info = le32toh(pcie_device_pg0.DeviceInfo);		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) ==		if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		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,		enc_idx = _mapping_get_enc_idx_from_handle(sc,
topo_change->enc_handle);		topo_change->enc_handle);
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {		if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
port_change->is_processed = 1;		port_change->is_processed = 1;
mpr_dprint(sc, MPR_MAPPING, "%s: failed to add "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
"the device with handle 0x%04x because the "		"failed to add the device with handle "
"enclosure is not in the mapping table\n",		"0x%04x because the enclosure is not in "
__func__, port_change->dev_handle);		"the mapping table\n", __func__,
		port_change->dev_handle);
continue;		continue;
}		}
if (!(port_change->device_info &		if (!(port_change->device_info &
MPI26_PCIE_DEVINFO_NVME)) {		MPI26_PCIE_DEVINFO_NVME)) {
port_change->is_processed = 1;		port_change->is_processed = 1;
continue;		continue;
}		}
et_entry = &sc->enclosure_table[enc_idx];		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)		if (et_entry->start_index != MPR_MAPTABLE_BAD_IDX)
continue;		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) {		if (!topo_change->switch_dev_handle) {
map_idx = sc->num_rsvd_entries;		map_idx = sc->num_rsvd_entries;
et_entry->start_index = map_idx;		et_entry->start_index = map_idx;
} else {		} else {
map_idx = _mapping_find_enc_map_space(sc,		map_idx = _mapping_find_enc_map_space(sc,
et_entry);		et_entry);
et_entry->start_index = map_idx;		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 ==		if (et_entry->start_index ==
MPR_MAPTABLE_BAD_IDX) {		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;		port_change->is_processed = 1;
for (port_idx = 0; port_idx <		for (port_idx = 0; port_idx <
topo_change->num_entries;		topo_change->num_entries;
port_idx++) {		port_idx++) {
tmp_port_change =		tmp_port_change =
&topo_change->port_details		&topo_change->port_details
[port_idx];		[port_idx];
if (tmp_port_change->reason ==		if (tmp_port_change->reason ==
add_code)		add_code)
tmp_port_change->		tmp_port_change->
is_processed = 1;		is_processed = 1;
}		}
break;		break;
}		}
}		}

/* Found space in enclosure for mapping entry */		/*
		* 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];		mt_entry = &sc->mapping_table[map_idx];
for (index = map_idx; index < (et_entry->num_slots		for (index = map_idx; index < (et_entry->num_slots
+ map_idx); index++, mt_entry++) {		+ map_idx); index++, mt_entry++) {
mt_entry->device_info = MPR_DEV_RESERVED;		mt_entry->device_info = MPR_DEV_RESERVED;
mt_entry->physical_id = et_entry->enclosure_id;		mt_entry->physical_id = et_entry->enclosure_id;
mt_entry->phy_bits = et_entry->phy_bits;		mt_entry->phy_bits = et_entry->phy_bits;
mt_entry->missing_count = 0;		mt_entry->missing_count = 0;
}		}
Show All 10 Lines
*/		*/
static inline void		static inline void
_mapping_set_mid_to_eid(struct mpr_softc *sc,		_mapping_set_mid_to_eid(struct mpr_softc *sc,
struct enc_mapping_table *et_entry)		struct enc_mapping_table *et_entry)
{		{
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
u16 slots = et_entry->num_slots, map_idx;		u16 slots = et_entry->num_slots, map_idx;
u32 start_idx = et_entry->start_index;		u32 start_idx = et_entry->start_index;

if (start_idx != MPR_MAPTABLE_BAD_IDX) {		if (start_idx != MPR_MAPTABLE_BAD_IDX) {
mt_entry = &sc->mapping_table[start_idx];		mt_entry = &sc->mapping_table[start_idx];
for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)		for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
mt_entry->physical_id = et_entry->enclosure_id;		mt_entry->physical_id = et_entry->enclosure_id;
}		}
}		}

/**		/**
Show All 33 Lines	for (remove_idx = 0; remove_idx < sc->max_devices;
sc->dpm_flush_entry[remove_entry->		sc->dpm_flush_entry[remove_entry->
dpm_entry_num] = 1;		dpm_entry_num] = 1;
sc->dpm_entry_used[remove_entry->dpm_entry_num]		sc->dpm_entry_used[remove_entry->dpm_entry_num]
= 0;		= 0;
remove_entry->dpm_entry_num = MPR_DPM_BAD_IDX;		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) ==		if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
num_entries = sc->num_enc_table_entries;		num_entries = sc->num_enc_table_entries;
while (!done_flag) {		while (!done_flag) {
done_flag = 1;		done_flag = 1;
et_entry = sc->enclosure_table;		et_entry = sc->enclosure_table;
for (i = 0; i < num_entries; i++, et_entry++) {		for (i = 0; i < num_entries; i++, et_entry++) {
if (!et_entry->enc_handle && et_entry->		if (!et_entry->enc_handle && et_entry->
▲ Show 20 Lines • Show All 64 Lines • ▼ Show 20 Lines	if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED \|\|
continue;		continue;
}		}
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==		if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
enc_idx = _mapping_get_enc_idx_from_handle		enc_idx = _mapping_get_enc_idx_from_handle
(sc, topo_change->enc_handle);		(sc, topo_change->enc_handle);
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {		if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
mpr_dprint(sc, MPR_ERROR, "%s: failed to add "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
"the device with handle 0x%04x because the "		"failed to add the device with handle "
"enclosure is not in the mapping table\n",		"0x%04x because the enclosure is not in "
__func__, phy_change->dev_handle);		"the mapping table\n", __func__,
		phy_change->dev_handle);
continue;		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];		et_entry = &sc->enclosure_table[enc_idx];
if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {		if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
if (!sc->mt_full_retry) {		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
sc->mt_add_device_failed = 1;		"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;		continue;
}		}
mpr_dprint(sc, MPR_INFO, "%s: failed to add "
"the device with handle 0x%04x because "		/*
"there is no free space available in the "		* Add this device to the mapping table at the correct
"mapping table\n", __func__,		* offset where space was found to map the enclosure.
phy_change->dev_handle);		* Then setup the DPM entry information if being used.
continue;		*/
}
map_idx = et_entry->start_index + phy_change->slot -		map_idx = et_entry->start_index + phy_change->slot -
et_entry->start_slot;		et_entry->start_slot;
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
mt_entry->physical_id = phy_change->physical_id;		mt_entry->physical_id = phy_change->physical_id;
mt_entry->channel = 0;
mt_entry->id = map_idx;		mt_entry->id = map_idx;
mt_entry->dev_handle = phy_change->dev_handle;		mt_entry->dev_handle = phy_change->dev_handle;
mt_entry->missing_count = 0;		mt_entry->missing_count = 0;
mt_entry->dpm_entry_num = et_entry->dpm_entry_num;		mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
mt_entry->device_info = phy_change->device_info \|		mt_entry->device_info = phy_change->device_info \|
(MPR_DEV_RESERVED \| MPR_MAP_IN_USE);		(MPR_DEV_RESERVED \| MPR_MAP_IN_USE);
if (sc->is_dpm_enable) {		if (sc->is_dpm_enable) {
dpm_idx = et_entry->dpm_entry_num;		dpm_idx = et_entry->dpm_entry_num;
Show All 10 Lines	if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
hdr_sz);		hdr_sz);
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
dpm_entry->		dpm_entry->
PhysicalIdentifier.Low =		PhysicalIdentifier.Low =
(0xFFFFFFFF &		(0xFFFFFFFF &
et_entry->enclosure_id);		et_entry->enclosure_id);
dpm_entry->		dpm_entry->
PhysicalIdentifier.High =		PhysicalIdentifier.High =
( et_entry->enclosure_id		(et_entry->enclosure_id
>> 32);		>> 32);
dpm_entry->DeviceIndex =		dpm_entry->DeviceIndex =
(U16)et_entry->start_index;		(U16)et_entry->start_index;
dpm_entry->MappingInformation =		dpm_entry->MappingInformation =
et_entry->num_slots;		et_entry->num_slots;
dpm_entry->MappingInformation		dpm_entry->MappingInformation
<<= map_shift;		<<= map_shift;
dpm_entry->PhysicalBitsMapping		dpm_entry->PhysicalBitsMapping
= et_entry->phy_bits;		= et_entry->phy_bits;
et_entry->dpm_entry_num =		et_entry->dpm_entry_num =
dpm_idx;		dpm_idx;
/* FIXME Do I need to set the dpm_idxin mt_entry too */
sc->dpm_entry_used[dpm_idx] = 1;		sc->dpm_entry_used[dpm_idx] = 1;
sc->dpm_flush_entry[dpm_idx] =		sc->dpm_flush_entry[dpm_idx] =
1;		1;
phy_change->is_processed = 1;		phy_change->is_processed = 1;
} else {		} else {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
mpr_dprint(sc, MPR_INFO, "%s: "		mpr_dprint(sc, MPR_ERROR \|
"failed to add the device "		MPR_MAPPING, "%s: failed "
"with handle 0x%04x to "		"to add the device with "
		"handle 0x%04x to "
"persistent table because "		"persistent table because "
"there is no free space "		"there is no free space "
"available\n", __func__,		"available\n", __func__,
phy_change->dev_handle);		phy_change->dev_handle);
}		}
} else {		} else {
et_entry->dpm_entry_num = dpm_idx;		et_entry->dpm_entry_num = dpm_idx;
mt_entry->dpm_entry_num = dpm_idx;		mt_entry->dpm_entry_num = dpm_idx;
}		}
}		}
/* FIXME Why not mt_entry too? */
et_entry->init_complete = 1;		et_entry->init_complete = 1;
} else if ((ioc_pg8_flags &		} else if ((ioc_pg8_flags &
MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==		MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {		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		map_idx = _mapping_get_mt_idx_from_id
(sc, phy_change->physical_id);		(sc, phy_change->physical_id);
if (map_idx == MPR_MAPTABLE_BAD_IDX) {		if (map_idx == MPR_MAPTABLE_BAD_IDX) {
search_idx = sc->num_rsvd_entries;		search_idx = sc->num_rsvd_entries;
if (topo_change->exp_handle)		if (topo_change->exp_handle)
search_idx += max_num_phy_ids;		search_idx += max_num_phy_ids;
map_idx = _mapping_get_free_mt_idx(sc,		map_idx = _mapping_get_free_mt_idx(sc,
search_idx);		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) {		if (map_idx == MPR_MAPTABLE_BAD_IDX) {
map_idx = _mapping_get_high_missing_mt_idx(sc);		map_idx = _mapping_get_high_missing_mt_idx(sc);
if (map_idx != MPR_MAPTABLE_BAD_IDX) {		if (map_idx != MPR_MAPTABLE_BAD_IDX) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (mt_entry->dev_handle) {		_mapping_add_to_removal_table(sc,
_mapping_add_to_removal_table		mt_entry->dpm_entry_num);
(sc, mt_entry->dev_handle,
0);
is_removed = 1;		is_removed = 1;
}
mt_entry->init_complete = 0;		mt_entry->init_complete = 0;
}		}
}		}
if (map_idx != MPR_MAPTABLE_BAD_IDX) {		if (map_idx != MPR_MAPTABLE_BAD_IDX) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
mt_entry->physical_id = phy_change->physical_id;		mt_entry->physical_id = phy_change->physical_id;
mt_entry->channel = 0;
mt_entry->id = map_idx;		mt_entry->id = map_idx;
mt_entry->dev_handle = phy_change->dev_handle;		mt_entry->dev_handle = phy_change->dev_handle;
mt_entry->missing_count = 0;		mt_entry->missing_count = 0;
mt_entry->device_info = phy_change->device_info		mt_entry->device_info = phy_change->device_info
\| (MPR_DEV_RESERVED \| MPR_MAP_IN_USE);		\| (MPR_DEV_RESERVED \| MPR_MAP_IN_USE);
} else {		} else {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
if (!sc->mt_full_retry) {		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
sc->mt_add_device_failed = 1;		"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;		continue;
}		}
mpr_dprint(sc, MPR_INFO, "%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 (sc->is_dpm_enable) {
if (mt_entry->dpm_entry_num !=		if (mt_entry->dpm_entry_num !=
MPR_DPM_BAD_IDX) {		MPR_DPM_BAD_IDX) {
dpm_idx = mt_entry->dpm_entry_num;		dpm_idx = mt_entry->dpm_entry_num;
dpm_entry = (Mpi2DriverMap0Entry_t *)		dpm_entry = (Mpi2DriverMap0Entry_t *)
((u8 *)sc->dpm_pg0 + hdr_sz);		((u8 *)sc->dpm_pg0 + hdr_sz);
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
missing_cnt = dpm_entry->		missing_cnt = dpm_entry->
MappingInformation &		MappingInformation &
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;		MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
temp64_var = dpm_entry->		temp64_var = dpm_entry->
PhysicalIdentifier.High;		PhysicalIdentifier.High;
temp64_var = (temp64_var << 32) \|		temp64_var = (temp64_var << 32) \|
dpm_entry->PhysicalIdentifier.Low;		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 ==		if ((mt_entry->physical_id ==
temp64_var) && !missing_cnt)		temp64_var) && !missing_cnt)
mt_entry->init_complete = 1;		mt_entry->init_complete = 1;
		else
		mt_entry->init_complete = 0;
} else {		} else {
dpm_idx = _mapping_get_free_dpm_idx(sc);		dpm_idx = _mapping_get_free_dpm_idx(sc);
mt_entry->init_complete = 0;		mt_entry->init_complete = 0;
}		}
if (dpm_idx != MPR_DPM_BAD_IDX &&		if (dpm_idx != MPR_DPM_BAD_IDX &&
!mt_entry->init_complete) {		!mt_entry->init_complete) {
mt_entry->init_complete = 1;
mt_entry->dpm_entry_num = dpm_idx;		mt_entry->dpm_entry_num = dpm_idx;
dpm_entry = (Mpi2DriverMap0Entry_t *)		dpm_entry = (Mpi2DriverMap0Entry_t *)
((u8 *)sc->dpm_pg0 + hdr_sz);		((u8 *)sc->dpm_pg0 + hdr_sz);
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
dpm_entry->PhysicalIdentifier.Low =		dpm_entry->PhysicalIdentifier.Low =
(0xFFFFFFFF &		(0xFFFFFFFF &
mt_entry->physical_id);		mt_entry->physical_id);
dpm_entry->PhysicalIdentifier.High =		dpm_entry->PhysicalIdentifier.High =
(mt_entry->physical_id >> 32);		(mt_entry->physical_id >> 32);
dpm_entry->DeviceIndex = (U16) map_idx;		dpm_entry->DeviceIndex = (U16) map_idx;
dpm_entry->MappingInformation = 0;		dpm_entry->MappingInformation = 0;
dpm_entry->PhysicalBitsMapping = 0;		dpm_entry->PhysicalBitsMapping = 0;
sc->dpm_entry_used[dpm_idx] = 1;		sc->dpm_entry_used[dpm_idx] = 1;
sc->dpm_flush_entry[dpm_idx] = 1;		sc->dpm_flush_entry[dpm_idx] = 1;
phy_change->is_processed = 1;		phy_change->is_processed = 1;
} else if (dpm_idx == MPR_DPM_BAD_IDX) {		} else if (dpm_idx == MPR_DPM_BAD_IDX) {
phy_change->is_processed = 1;		phy_change->is_processed = 1;
mpr_dprint(sc, MPR_INFO, "%s: failed "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING,
"to add the device with handle "		"%s: failed to add the device with "
"0x%04x to persistent table "		"handle 0x%04x to persistent table "
"because there is no free space "		"because there is no free space "
"available\n", __func__,		"available\n", __func__,
phy_change->dev_handle);		phy_change->dev_handle);
}		}
}		}
mt_entry->init_complete = 1;		mt_entry->init_complete = 1;
}		}

▲ Show 20 Lines • Show All 41 Lines • ▼ Show 20 Lines	if (port_change->reason != MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED \|\|
continue;		continue;
}		}
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==		if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
enc_idx = _mapping_get_enc_idx_from_handle		enc_idx = _mapping_get_enc_idx_from_handle
(sc, topo_change->enc_handle);		(sc, topo_change->enc_handle);
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {		if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
port_change->is_processed = 1;		port_change->is_processed = 1;
mpr_dprint(sc, MPR_ERROR, "%s: failed to add "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
"the device with handle 0x%04x because the "		"failed to add the device with handle "
"enclosure is not in the mapping table\n",		"0x%04x because the enclosure is not in "
__func__, port_change->dev_handle);		"the mapping table\n", __func__,
		port_change->dev_handle);
continue;		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];		et_entry = &sc->enclosure_table[enc_idx];
if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {		if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {
port_change->is_processed = 1;		port_change->is_processed = 1;
if (!sc->mt_full_retry) {		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
sc->mt_add_device_failed = 1;		"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;		continue;
}		}
mpr_dprint(sc, MPR_INFO, "%s: failed to add "
"the device with handle 0x%04x because "		/*
"there is no free space available in the "		* Add this device to the mapping table at the correct
"mapping table\n", __func__,		* offset where space was found to map the enclosure.
port_change->dev_handle);		* Then setup the DPM entry information if being used.
continue;		*/
}
map_idx = et_entry->start_index + port_change->slot -		map_idx = et_entry->start_index + port_change->slot -
et_entry->start_slot;		et_entry->start_slot;
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
mt_entry->physical_id = port_change->physical_id;		mt_entry->physical_id = port_change->physical_id;
mt_entry->channel = 0;
mt_entry->id = map_idx;		mt_entry->id = map_idx;
mt_entry->dev_handle = port_change->dev_handle;		mt_entry->dev_handle = port_change->dev_handle;
mt_entry->missing_count = 0;		mt_entry->missing_count = 0;
mt_entry->dpm_entry_num = et_entry->dpm_entry_num;		mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
mt_entry->device_info = port_change->device_info \|		mt_entry->device_info = port_change->device_info \|
(MPR_DEV_RESERVED \| MPR_MAP_IN_USE);		(MPR_DEV_RESERVED \| MPR_MAP_IN_USE);
if (sc->is_dpm_enable) {		if (sc->is_dpm_enable) {
dpm_idx = et_entry->dpm_entry_num;		dpm_idx = et_entry->dpm_entry_num;
Show All 10 Lines	if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
hdr_sz);		hdr_sz);
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
dpm_entry->		dpm_entry->
PhysicalIdentifier.Low =		PhysicalIdentifier.Low =
(0xFFFFFFFF &		(0xFFFFFFFF &
et_entry->enclosure_id);		et_entry->enclosure_id);
dpm_entry->		dpm_entry->
PhysicalIdentifier.High =		PhysicalIdentifier.High =
( et_entry->enclosure_id		(et_entry->enclosure_id
>> 32);		>> 32);
dpm_entry->DeviceIndex =		dpm_entry->DeviceIndex =
(U16)et_entry->start_index;		(U16)et_entry->start_index;
dpm_entry->MappingInformation =		dpm_entry->MappingInformation =
et_entry->num_slots;		et_entry->num_slots;
dpm_entry->MappingInformation		dpm_entry->MappingInformation
<<= map_shift;		<<= map_shift;
dpm_entry->PhysicalBitsMapping		dpm_entry->PhysicalBitsMapping
= et_entry->phy_bits;		= et_entry->phy_bits;
et_entry->dpm_entry_num =		et_entry->dpm_entry_num =
dpm_idx;		dpm_idx;
/* FIXME Do I need to set the dpm_idxin mt_entry too */
sc->dpm_entry_used[dpm_idx] = 1;		sc->dpm_entry_used[dpm_idx] = 1;
sc->dpm_flush_entry[dpm_idx] =		sc->dpm_flush_entry[dpm_idx] =
1;		1;
port_change->is_processed = 1;		port_change->is_processed = 1;
} else {		} else {
port_change->is_processed = 1;		port_change->is_processed = 1;
mpr_dprint(sc, MPR_INFO, "%s: "		mpr_dprint(sc, MPR_ERROR \|
"failed to add the device "		MPR_MAPPING, "%s: failed "
"with handle 0x%04x to "		"to add the device with "
		"handle 0x%04x to "
"persistent table because "		"persistent table because "
"there is no free space "		"there is no free space "
"available\n", __func__,		"available\n", __func__,
port_change->dev_handle);		port_change->dev_handle);
}		}
} else {		} else {
et_entry->dpm_entry_num = dpm_idx;		et_entry->dpm_entry_num = dpm_idx;
mt_entry->dpm_entry_num = dpm_idx;		mt_entry->dpm_entry_num = dpm_idx;
}		}
}		}
/* FIXME Why not mt_entry too? */
et_entry->init_complete = 1;		et_entry->init_complete = 1;
} else if ((ioc_pg8_flags &		} else if ((ioc_pg8_flags &
MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==		MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {		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		map_idx = _mapping_get_mt_idx_from_id
(sc, port_change->physical_id);		(sc, port_change->physical_id);
if (map_idx == MPR_MAPTABLE_BAD_IDX) {		if (map_idx == MPR_MAPTABLE_BAD_IDX) {
search_idx = sc->num_rsvd_entries;		search_idx = sc->num_rsvd_entries;
if (topo_change->switch_dev_handle)		if (topo_change->switch_dev_handle)
search_idx += max_num_phy_ids;		search_idx += max_num_phy_ids;
map_idx = _mapping_get_free_mt_idx(sc,		map_idx = _mapping_get_free_mt_idx(sc,
search_idx);		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) {		if (map_idx == MPR_MAPTABLE_BAD_IDX) {
map_idx = _mapping_get_high_missing_mt_idx(sc);		map_idx = _mapping_get_high_missing_mt_idx(sc);
if (map_idx != MPR_MAPTABLE_BAD_IDX) {		if (map_idx != MPR_MAPTABLE_BAD_IDX) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (mt_entry->dev_handle) {		_mapping_add_to_removal_table(sc,
_mapping_add_to_removal_table		mt_entry->dpm_entry_num);
(sc, mt_entry->dev_handle,
0);
is_removed = 1;		is_removed = 1;
}
mt_entry->init_complete = 0;		mt_entry->init_complete = 0;
}		}
}		}
if (map_idx != MPR_MAPTABLE_BAD_IDX) {		if (map_idx != MPR_MAPTABLE_BAD_IDX) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
mt_entry->physical_id =		mt_entry->physical_id =
port_change->physical_id;		port_change->physical_id;
mt_entry->channel = 0;
mt_entry->id = map_idx;		mt_entry->id = map_idx;
mt_entry->dev_handle = port_change->dev_handle;		mt_entry->dev_handle = port_change->dev_handle;
mt_entry->missing_count = 0;		mt_entry->missing_count = 0;
mt_entry->device_info =		mt_entry->device_info =
port_change->device_info \|		port_change->device_info \|
(MPR_DEV_RESERVED \| MPR_MAP_IN_USE);		(MPR_DEV_RESERVED \| MPR_MAP_IN_USE);
} else {		} else {
port_change->is_processed = 1;		port_change->is_processed = 1;
if (!sc->mt_full_retry) {		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
sc->mt_add_device_failed = 1;		"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;		continue;
}		}
mpr_dprint(sc, MPR_INFO, "%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 (sc->is_dpm_enable) {
if (mt_entry->dpm_entry_num !=		if (mt_entry->dpm_entry_num !=
MPR_DPM_BAD_IDX) {		MPR_DPM_BAD_IDX) {
dpm_idx = mt_entry->dpm_entry_num;		dpm_idx = mt_entry->dpm_entry_num;
dpm_entry = (Mpi2DriverMap0Entry_t *)		dpm_entry = (Mpi2DriverMap0Entry_t *)
((u8 *)sc->dpm_pg0 + hdr_sz);		((u8 *)sc->dpm_pg0 + hdr_sz);
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
missing_cnt = dpm_entry->		missing_cnt = dpm_entry->
MappingInformation &		MappingInformation &
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;		MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
temp64_var = dpm_entry->		temp64_var = dpm_entry->
PhysicalIdentifier.High;		PhysicalIdentifier.High;
temp64_var = (temp64_var << 32) \|		temp64_var = (temp64_var << 32) \|
dpm_entry->PhysicalIdentifier.Low;		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 ==		if ((mt_entry->physical_id ==
temp64_var) && !missing_cnt)		temp64_var) && !missing_cnt)
mt_entry->init_complete = 1;		mt_entry->init_complete = 1;
		else
		mt_entry->init_complete = 0;
} else {		} else {
dpm_idx = _mapping_get_free_dpm_idx(sc);		dpm_idx = _mapping_get_free_dpm_idx(sc);
mt_entry->init_complete = 0;		mt_entry->init_complete = 0;
}		}
if (dpm_idx != MPR_DPM_BAD_IDX &&		if (dpm_idx != MPR_DPM_BAD_IDX &&
!mt_entry->init_complete) {		!mt_entry->init_complete) {
mt_entry->init_complete = 1;
mt_entry->dpm_entry_num = dpm_idx;		mt_entry->dpm_entry_num = dpm_idx;
dpm_entry = (Mpi2DriverMap0Entry_t *)		dpm_entry = (Mpi2DriverMap0Entry_t *)
((u8 *)sc->dpm_pg0 + hdr_sz);		((u8 *)sc->dpm_pg0 + hdr_sz);
dpm_entry += dpm_idx;		dpm_entry += dpm_idx;
dpm_entry->PhysicalIdentifier.Low =		dpm_entry->PhysicalIdentifier.Low =
(0xFFFFFFFF &		(0xFFFFFFFF &
mt_entry->physical_id);		mt_entry->physical_id);
dpm_entry->PhysicalIdentifier.High =		dpm_entry->PhysicalIdentifier.High =
(mt_entry->physical_id >> 32);		(mt_entry->physical_id >> 32);
dpm_entry->DeviceIndex = (U16) map_idx;		dpm_entry->DeviceIndex = (U16) map_idx;
dpm_entry->MappingInformation = 0;		dpm_entry->MappingInformation = 0;
dpm_entry->PhysicalBitsMapping = 0;		dpm_entry->PhysicalBitsMapping = 0;
sc->dpm_entry_used[dpm_idx] = 1;		sc->dpm_entry_used[dpm_idx] = 1;
sc->dpm_flush_entry[dpm_idx] = 1;		sc->dpm_flush_entry[dpm_idx] = 1;
port_change->is_processed = 1;		port_change->is_processed = 1;
} else if (dpm_idx == MPR_DPM_BAD_IDX) {		} else if (dpm_idx == MPR_DPM_BAD_IDX) {
port_change->is_processed = 1;		port_change->is_processed = 1;
mpr_dprint(sc, MPR_INFO, "%s: failed "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING,
"to add the device with handle "		"%s: failed to add the device with "
"0x%04x to persistent table "		"handle 0x%04x to persistent table "
"because there is no free space "		"because there is no free space "
"available\n", __func__,		"available\n", __func__,
port_change->dev_handle);		port_change->dev_handle);
}		}
}		}
mt_entry->init_complete = 1;		mt_entry->init_complete = 1;
}		}

Show All 29 Lines	for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
dpm_entry->MappingInformation = htole16(dpm_entry->		dpm_entry->MappingInformation = htole16(dpm_entry->
MappingInformation);		MappingInformation);
dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);		dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->		dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
PhysicalBitsMapping);		PhysicalBitsMapping);
memcpy(&config_page.Entry, (u8 *)dpm_entry,		memcpy(&config_page.Entry, (u8 *)dpm_entry,
sizeof(Mpi2DriverMap0Entry_t));		sizeof(Mpi2DriverMap0Entry_t));
/* TODO-How to handle failed writes? */		/* 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,		if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
entry_num)) {		entry_num)) {
printf("%s: write of dpm entry %d for device failed\n",		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: Flush of "
__func__, entry_num);		"DPM entry %d for device failed\n", __func__,
		entry_num);
} else		} else
sc->dpm_flush_entry[entry_num] = 0;		sc->dpm_flush_entry[entry_num] = 0;
dpm_entry->MappingInformation = le16toh(dpm_entry->		dpm_entry->MappingInformation = le16toh(dpm_entry->
MappingInformation);		MappingInformation);
dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);		dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->		dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
PhysicalBitsMapping);		PhysicalBitsMapping);
}		}
▲ Show 20 Lines • Show All 73 Lines • ▼ Show 20 Lines	mpr_mapping_free_memory(struct mpr_softc *sc)
free(sc->mapping_table, M_MPR);		free(sc->mapping_table, M_MPR);
free(sc->removal_table, M_MPR);		free(sc->removal_table, M_MPR);
free(sc->enclosure_table, M_MPR);		free(sc->enclosure_table, M_MPR);
free(sc->dpm_entry_used, M_MPR);		free(sc->dpm_entry_used, M_MPR);
free(sc->dpm_flush_entry, M_MPR);		free(sc->dpm_flush_entry, M_MPR);
free(sc->dpm_pg0, M_MPR);		free(sc->dpm_pg0, M_MPR);
}		}


static void		static void
_mapping_process_dpm_pg0(struct mpr_softc *sc)		_mapping_process_dpm_pg0(struct mpr_softc *sc)
{		{
u8 missing_cnt, enc_idx;		u8 missing_cnt, enc_idx;
u16 slot_id, entry_num, num_slots;		u16 slot_id, entry_num, num_slots;
u32 map_idx, dev_idx, start_idx, end_idx;		u32 map_idx, dev_idx, start_idx, end_idx;
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
Mpi2DriverMap0Entry_t *dpm_entry;		Mpi2DriverMap0Entry_t *dpm_entry;
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);		u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);		u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
struct enc_mapping_table *et_entry;		struct enc_mapping_table *et_entry;
u64 physical_id;		u64 physical_id;
u32 phy_bits = 0;		u32 phy_bits = 0;

		/*
		* start_idx and end_idx are only used for IR.
		*/
if (sc->ir_firmware)		if (sc->ir_firmware)
_mapping_get_ir_maprange(sc, &start_idx, &end_idx);		_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 +		dpm_entry = (Mpi2DriverMap0Entry_t ) ((uint8_t ) sc->dpm_pg0 +
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));		sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,		for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
dpm_entry++) {		dpm_entry++) {
physical_id = dpm_entry->PhysicalIdentifier.High;		physical_id = dpm_entry->PhysicalIdentifier.High;
physical_id = (physical_id << 32) \|		physical_id = (physical_id << 32) \|
dpm_entry->PhysicalIdentifier.Low;		dpm_entry->PhysicalIdentifier.Low;
if (!physical_id) {		if (!physical_id) {
sc->dpm_entry_used[entry_num] = 0;		sc->dpm_entry_used[entry_num] = 0;
continue;		continue;
}		}
sc->dpm_entry_used[entry_num] = 1;		sc->dpm_entry_used[entry_num] = 1;
dpm_entry->MappingInformation = le16toh(dpm_entry->		dpm_entry->MappingInformation = le16toh(dpm_entry->
MappingInformation);		MappingInformation);
missing_cnt = dpm_entry->MappingInformation &		missing_cnt = dpm_entry->MappingInformation &
MPI2_DRVMAP0_MAPINFO_MISSING_MASK;		MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
dev_idx = le16toh(dpm_entry->DeviceIndex);		dev_idx = le16toh(dpm_entry->DeviceIndex);
phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);		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) &&		if (sc->ir_firmware && (dev_idx >= start_idx) &&
(dev_idx <= end_idx)) {		(dev_idx <= end_idx)) {
mt_entry = &sc->mapping_table[dev_idx];		mt_entry = &sc->mapping_table[dev_idx];
mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High;		mt_entry->physical_id =
		dpm_entry->PhysicalIdentifier.High;
mt_entry->physical_id = (mt_entry->physical_id << 32) \|		mt_entry->physical_id = (mt_entry->physical_id << 32) \|
dpm_entry->PhysicalIdentifier.Low;		dpm_entry->PhysicalIdentifier.Low;
mt_entry->channel = MPR_RAID_CHANNEL;
mt_entry->id = dev_idx;		mt_entry->id = dev_idx;
mt_entry->missing_count = missing_cnt;		mt_entry->missing_count = missing_cnt;
mt_entry->dpm_entry_num = entry_num;		mt_entry->dpm_entry_num = entry_num;
mt_entry->device_info = MPR_DEV_RESERVED;		mt_entry->device_info = MPR_DEV_RESERVED;
continue;		continue;
}		}
if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==		if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		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 +		if (dev_idx < (sc->num_rsvd_entries +
max_num_phy_ids)) {		max_num_phy_ids)) {
slot_id = 0;		slot_id = 0;
if (ioc_pg8_flags &		if (ioc_pg8_flags &
MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)		MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
slot_id = 1;		slot_id = 1;
num_slots = max_num_phy_ids;		num_slots = max_num_phy_ids;
} else {		} else {
slot_id = 0;		slot_id = 0;
num_slots = dpm_entry->MappingInformation &		num_slots = dpm_entry->MappingInformation &
MPI2_DRVMAP0_MAPINFO_SLOT_MASK;		MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;		num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
}		}
enc_idx = sc->num_enc_table_entries;		enc_idx = sc->num_enc_table_entries;
if (enc_idx >= sc->max_enclosures) {		if (enc_idx >= sc->max_enclosures) {
printf("%s: enclosure entries exceed max "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
"enclosures of %d\n", __func__,		"Number of enclosure entries in DPM exceed "
		"the max allowed of %d.\n", __func__,
sc->max_enclosures);		sc->max_enclosures);
break;		break;
}		}
sc->num_enc_table_entries++;		sc->num_enc_table_entries++;
et_entry = &sc->enclosure_table[enc_idx];		et_entry = &sc->enclosure_table[enc_idx];
physical_id = dpm_entry->PhysicalIdentifier.High;		physical_id = dpm_entry->PhysicalIdentifier.High;
et_entry->enclosure_id = (physical_id << 32) \|		et_entry->enclosure_id = (physical_id << 32) \|
dpm_entry->PhysicalIdentifier.Low;		dpm_entry->PhysicalIdentifier.Low;
et_entry->start_index = dev_idx;		et_entry->start_index = dev_idx;
et_entry->dpm_entry_num = entry_num;		et_entry->dpm_entry_num = entry_num;
et_entry->num_slots = num_slots;		et_entry->num_slots = num_slots;
et_entry->start_slot = slot_id;		et_entry->start_slot = slot_id;
et_entry->missing_count = missing_cnt;		et_entry->missing_count = missing_cnt;
et_entry->phy_bits = phy_bits;		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];		mt_entry = &sc->mapping_table[dev_idx];
for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);		for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
map_idx++, mt_entry++) {		map_idx++, mt_entry++) {
if (mt_entry->dpm_entry_num !=		if (mt_entry->dpm_entry_num !=
MPR_DPM_BAD_IDX) {		MPR_DPM_BAD_IDX) {
printf("%s: conflict in mapping table "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING,
"for enclosure %d\n", __func__,		"%s: Conflict in mapping table for "
		" enclosure %d\n", __func__,
enc_idx);		enc_idx);
break;		break;
}		}
physical_id = dpm_entry->PhysicalIdentifier.High;		physical_id =
		dpm_entry->PhysicalIdentifier.High;
mt_entry->physical_id = (physical_id << 32) \|		mt_entry->physical_id = (physical_id << 32) \|
dpm_entry->PhysicalIdentifier.Low;		dpm_entry->PhysicalIdentifier.Low;
mt_entry->phy_bits = phy_bits;		mt_entry->phy_bits = phy_bits;
mt_entry->channel = 0;
mt_entry->id = dev_idx;		mt_entry->id = dev_idx;
mt_entry->dpm_entry_num = entry_num;		mt_entry->dpm_entry_num = entry_num;
mt_entry->missing_count = missing_cnt;		mt_entry->missing_count = missing_cnt;
mt_entry->device_info = MPR_DEV_RESERVED;		mt_entry->device_info = MPR_DEV_RESERVED;
}		}
} else if ((ioc_pg8_flags &		} else if ((ioc_pg8_flags &
MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==		MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {		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;		map_idx = dev_idx;
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {		if (mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
printf("%s: conflict in mapping table for "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
"device %d\n", __func__, map_idx);		"Conflict in mapping table for device %d\n",
		__func__, map_idx);
break;		break;
}		}
physical_id = dpm_entry->PhysicalIdentifier.High;		physical_id = dpm_entry->PhysicalIdentifier.High;
mt_entry->physical_id = (physical_id << 32) \|		mt_entry->physical_id = (physical_id << 32) \|
dpm_entry->PhysicalIdentifier.Low;		dpm_entry->PhysicalIdentifier.Low;
mt_entry->phy_bits = phy_bits;		mt_entry->phy_bits = phy_bits;
mt_entry->channel = 0;
mt_entry->id = dev_idx;		mt_entry->id = dev_idx;
mt_entry->missing_count = missing_cnt;		mt_entry->missing_count = missing_cnt;
mt_entry->dpm_entry_num = entry_num;		mt_entry->dpm_entry_num = entry_num;
mt_entry->device_info = MPR_DEV_RESERVED;		mt_entry->device_info = MPR_DEV_RESERVED;
}		}
} /close the loop for DPM table /		} /close the loop for DPM table /
}		}

/*		/*
* mpr_mapping_check_devices - start of the day check for device availabilty		* mpr_mapping_check_devices - start of the day check for device availabilty
* @sc: per adapter object		* @sc: per adapter object
* @sleep_flag: Flag indicating whether this function can sleep or not
*		*
* Returns nothing.		* Returns nothing.
*/		*/
void		void
mpr_mapping_check_devices(struct mpr_softc *sc, int sleep_flag)		mpr_mapping_check_devices(void *data)
{		{
u32 i;		u32 i;
/* u32 cntdn, i;
u32 timeout = 60;*/
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
		struct mpr_softc sc = (struct mpr_softc )data;
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);		u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
struct enc_mapping_table *et_entry;		struct enc_mapping_table *et_entry;
u32 start_idx, end_idx;		u32 start_idx = 0, end_idx = 0;
		u8 stop_device_checks = 0;

/* We need to ucomment this when this function is called		MPR_FUNCTRACE(sc);
* from the port enable complete */
#if 0		/*
		* 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;		sc->track_mapping_events = 0;
cntdn = (sleep_flag == CAN_SLEEP) ? 1000timeout : 2000timeout;
do {
if (!sc->pending_map_events)
break;
if (sleep_flag == CAN_SLEEP)
pause("mpr_pause", (hz/1000));/* 1msec sleep */
else
DELAY(500); /* 500 useconds delay */
} while (--cntdn);

		/*
		* 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);

if (!cntdn)		/*
printf("%s: there are %d"		* Use callout to check if any devices in the mapping table have been
" pending events after %d seconds of delay\n",		* processed yet. If ALL devices are marked as not init_complete, no
__func__, sc->pending_map_events, timeout);		* devices have been processed and mapped. Until devices are mapped
#endif		* there's no reason to mark them as missing. Continue resetting this
sc->pending_map_events = 0;		* 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) ==		if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {		MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
et_entry = sc->enclosure_table;		et_entry = sc->enclosure_table;
for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {		for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
if (!et_entry->init_complete) {		if (!et_entry->init_complete) {
if (et_entry->missing_count <		if (et_entry->missing_count <
MPR_MAX_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++;		et_entry->missing_count++;
if (et_entry->dpm_entry_num !=		if (et_entry->dpm_entry_num !=
MPR_DPM_BAD_IDX)		MPR_DPM_BAD_IDX) {
_mapping_commit_enc_entry(sc,		_mapping_commit_enc_entry(sc,
et_entry);		et_entry);
}		}
		}
et_entry->init_complete = 1;		et_entry->init_complete = 1;
}		}
}		}
if (!sc->ir_firmware)		if (!sc->ir_firmware)
return;		return;
_mapping_get_ir_maprange(sc, &start_idx, &end_idx);		_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
mt_entry = &sc->mapping_table[start_idx];		mt_entry = &sc->mapping_table[start_idx];
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) {
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;
}
}
}
} else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==		} else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {		MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
		start_idx = 0;
		end_idx = sc->max_devices - 1;
mt_entry = sc->mapping_table;		mt_entry = sc->mapping_table;
for (i = 0; i < sc->max_devices; i++, mt_entry++) {		}

		/*
		* 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		if (mt_entry->device_info & MPR_DEV_RESERVED
&& !mt_entry->physical_id)		&& !mt_entry->physical_id)
mt_entry->init_complete = 1;		mt_entry->init_complete = 1;
else if (mt_entry->device_info & MPR_DEV_RESERVED) {		else if (mt_entry->device_info & MPR_DEV_RESERVED) {
if (!mt_entry->init_complete) {		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 <		if (mt_entry->missing_count <
MPR_MAX_MISSING_COUNT) {		MPR_MAX_MISSING_COUNT) {
mt_entry->missing_count++;		mt_entry->missing_count++;
if (mt_entry->dpm_entry_num !=		if (mt_entry->dpm_entry_num !=
MPR_DPM_BAD_IDX)		MPR_DPM_BAD_IDX) {
_mapping_commit_map_entry(sc,		_mapping_commit_map_entry(sc,
mt_entry);		mt_entry);
}		}
		}
mt_entry->init_complete = 1;		mt_entry->init_complete = 1;
}		}
}		}
}		}
}		}
}


/**		/**
* mpr_mapping_is_reinit_required - check whether event replay required
* @sc: per adapter object
*
* Checks the per ioc flags and decide whether reinit of events required
*
* Returns 1 for reinit of ioc 0 for not.
*/
int mpr_mapping_is_reinit_required(struct mpr_softc *sc)
{
if (!sc->mt_full_retry && sc->mt_add_device_failed) {
sc->mt_full_retry = 1;
sc->mt_add_device_failed = 0;
_mapping_flush_dpm_pages(sc);
return 1;
}
sc->mt_full_retry = 1;
return 0;
}

/**
* mpr_mapping_initialize - initialize mapping tables		* mpr_mapping_initialize - initialize mapping tables
* @sc: per adapter object		* @sc: per adapter object
*		*
* Read controller persitant mapping tables into internal data area.		* Read controller persitant mapping tables into internal data area.
*		*
* Return 0 for success or non-zero for failure.		* Return 0 for success or non-zero for failure.
*/		*/
int		int
Show All 11 Lines	mpr_mapping_initialize(struct mpr_softc *sc)
*/		*/
sc->max_enclosures = sc->facts->MaxEnclosures + 1;		sc->max_enclosures = sc->facts->MaxEnclosures + 1;
sc->max_expanders = sc->facts->MaxSasExpanders;		sc->max_expanders = sc->facts->MaxSasExpanders;
sc->max_volumes = sc->facts->MaxVolumes;		sc->max_volumes = sc->facts->MaxVolumes;
sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;		sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
sc->pending_map_events = 0;		sc->pending_map_events = 0;
sc->num_enc_table_entries = 0;		sc->num_enc_table_entries = 0;
sc->num_rsvd_entries = 0;		sc->num_rsvd_entries = 0;
sc->num_channels = 1;
sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;		sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;
sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;		sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
sc->track_mapping_events = 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)		if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
sc->is_dpm_enable = 0;		sc->is_dpm_enable = 0;

if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)		if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
sc->num_rsvd_entries = 1;		sc->num_rsvd_entries = 1;

volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &		volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;		MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
Show All 23 Lines	if (sc->is_dpm_enable) {
dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +		dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
(sc->max_dpm_entries *		(sc->max_dpm_entries *
sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));		sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
retry_count = 0;		retry_count = 0;

retry_read_dpm:		retry_read_dpm:
if (mpr_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,		if (mpr_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
dpm_pg0_sz)) {		dpm_pg0_sz)) {
printf("%s: dpm page read failed; disabling dpm\n",		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: DPM page "
__func__);		"read failed.\n", __func__);
if (retry_count < 3) {		if (retry_count < 3) {
retry_count++;		retry_count++;
goto retry_read_dpm;		goto retry_read_dpm;
}		}
sc->is_dpm_enable = 0;		sc->is_dpm_enable = 0;
}		}
}		}

if (sc->is_dpm_enable)		if (sc->is_dpm_enable)
_mapping_process_dpm_pg0(sc);		_mapping_process_dpm_pg0(sc);
		else {
		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;		sc->track_mapping_events = 1;
return 0;		return 0;
}		}

/**		/**
* mpr_mapping_exit - clear mapping table and associated memory		* mpr_mapping_exit - clear mapping table and associated memory
* @sc: per adapter object		* @sc: per adapter object
*		*
* Returns nothing.		* Returns nothing.
*/		*/
void		void
mpr_mapping_exit(struct mpr_softc *sc)		mpr_mapping_exit(struct mpr_softc *sc)
{		{
_mapping_flush_dpm_pages(sc);		_mapping_flush_dpm_pages(sc);
mpr_mapping_free_memory(sc);		mpr_mapping_free_memory(sc);
}		}

/**		/**
* mpr_mapping_get_sas_id - assign a target id for sas device		* mpr_mapping_get_tid - return the target id for sas device and handle
* @sc: per adapter object		* @sc: per adapter object
* @sas_address: sas address of the device		* @sas_address: sas address of the device
* @handle: device handle		* @handle: device handle
*		*
* Returns valid ID on success or BAD_ID.		* Returns valid target ID on success or BAD_ID.
*/		*/
unsigned int		unsigned int
mpr_mapping_get_sas_id(struct mpr_softc *sc, uint64_t sas_address, u16 handle)		mpr_mapping_get_tid(struct mpr_softc *sc, uint64_t sas_address, u16 handle)
{		{
u32 map_idx;		u32 map_idx;
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;

for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {		for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
if (mt_entry->dev_handle == handle && mt_entry->physical_id ==		if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
sas_address)		sas_address)
return mt_entry->id;		return mt_entry->id;
}		}

return MPR_MAP_BAD_ID;		return MPR_MAP_BAD_ID;
}		}

/**		/**
* mpr_mapping_get_sas_id_from_handle - find a target id in mapping table using		* 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		* only the dev handle. This is just a wrapper function for the local function
* _mapping_get_mt_idx_from_handle.		* _mapping_get_mt_idx_from_handle.
* @sc: per adapter object		* @sc: per adapter object
* @handle: device handle		* @handle: device handle
*		*
* Returns valid ID on success or BAD_ID.		* Returns valid target ID on success or BAD_ID.
*/		*/
unsigned int		unsigned int
mpr_mapping_get_sas_id_from_handle(struct mpr_softc *sc, u16 handle)		mpr_mapping_get_tid_from_handle(struct mpr_softc *sc, u16 handle)
{		{
return (_mapping_get_mt_idx_from_handle(sc, handle));		return (_mapping_get_mt_idx_from_handle(sc, handle));
}		}

/**		/**
* mpr_mapping_get_raid_id - assign a target id for raid device		* mpr_mapping_get_raid_tid - return the target id for raid device
* @sc: per adapter object		* @sc: per adapter object
* @wwid: world wide identifier for raid volume		* @wwid: world wide identifier for raid volume
* @handle: device handle		* @volHandle: volume device handle
*		*
* Returns valid ID on success or BAD_ID.		* Returns valid target ID on success or BAD_ID.
*/		*/
unsigned int		unsigned int
mpr_mapping_get_raid_id(struct mpr_softc *sc, u64 wwid, u16 handle)		mpr_mapping_get_raid_tid(struct mpr_softc *sc, u64 wwid, u16 volHandle)
{		{
u32 map_idx;		u32 start_idx, end_idx, map_idx;
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;

for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {		_mapping_get_ir_maprange(sc, &start_idx, &end_idx);
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[start_idx];
if (mt_entry->dev_handle == handle && mt_entry->physical_id ==		for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
wwid)		if (mt_entry->dev_handle == volHandle &&
		mt_entry->physical_id == wwid)
return mt_entry->id;		return mt_entry->id;
}		}

return MPR_MAP_BAD_ID;		return MPR_MAP_BAD_ID;
}		}

/**		/**
* mpr_mapping_get_raid_id_from_handle - find raid device in mapping table		* 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		* using only the volume dev handle. This is just a wrapper function for the
* local function _mapping_get_ir_mt_idx_from_handle.		* local function _mapping_get_ir_mt_idx_from_handle.
* @sc: per adapter object		* @sc: per adapter object
* @volHandle: volume device handle		* @volHandle: volume device handle
*		*
* Returns valid ID on success or BAD_ID.		* Returns valid target ID on success or BAD_ID.
*/		*/
unsigned int		unsigned int
mpr_mapping_get_raid_id_from_handle(struct mpr_softc *sc, u16 volHandle)		mpr_mapping_get_raid_tid_from_handle(struct mpr_softc *sc, u16 volHandle)
{		{
return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));		return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
}		}

/**		/**
* mpr_mapping_enclosure_dev_status_change_event - handle enclosure events		* mpr_mapping_enclosure_dev_status_change_event - handle enclosure events
* @sc: per adapter object		* @sc: per adapter object
* @event_data: event data payload		* @event_data: event data payload
Show All 17 Lines	if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)		MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
goto out;		goto out;

dpm_entry = (Mpi2DriverMap0Entry_t )((u8 )sc->dpm_pg0 +		dpm_entry = (Mpi2DriverMap0Entry_t )((u8 )sc->dpm_pg0 +
sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));		sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));

if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {		if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
if (!event_data->NumSlots) {		if (!event_data->NumSlots) {
printf("%s: enclosure with handle = 0x%x reported 0 "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: Enclosure "
"slots\n", __func__,		"with handle = 0x%x reported 0 slots.\n", __func__,
le16toh(event_data->EnclosureHandle));		le16toh(event_data->EnclosureHandle));
goto out;		goto out;
}		}
temp64_var = event_data->EnclosureLogicalID.High;		temp64_var = event_data->EnclosureLogicalID.High;
temp64_var = (temp64_var << 32) \|		temp64_var = (temp64_var << 32) \|
event_data->EnclosureLogicalID.Low;		event_data->EnclosureLogicalID.Low;
enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,		enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
event_data->PhyBits);		event_data->PhyBits);

		/*
		* If the Added enclosure is already in the Enclosure Table,
		* make sure that all the 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) {		if (enc_idx != MPR_ENCTABLE_BAD_IDX) {
et_entry = &sc->enclosure_table[enc_idx];		et_entry = &sc->enclosure_table[enc_idx];
if (et_entry->init_complete &&		if (et_entry->init_complete &&
!et_entry->missing_count) {		!et_entry->missing_count) {
printf("%s: enclosure %d is already present "		mpr_dprint(sc, MPR_MAPPING, "%s: Enclosure %d "
"with handle = 0x%x\n",__func__, enc_idx,		"is already present with handle = 0x%x\n",
et_entry->enc_handle);		__func__, enc_idx, et_entry->enc_handle);
goto out;		goto out;
}		}
et_entry->enc_handle = le16toh(event_data->		et_entry->enc_handle = le16toh(event_data->
EnclosureHandle);		EnclosureHandle);
et_entry->start_slot = le16toh(event_data->StartSlot);		et_entry->start_slot = le16toh(event_data->StartSlot);
saved_phy_bits = et_entry->phy_bits;		saved_phy_bits = et_entry->phy_bits;
et_entry->phy_bits \|= le32toh(event_data->PhyBits);		et_entry->phy_bits \|= le32toh(event_data->PhyBits);
if (saved_phy_bits != et_entry->phy_bits)		if (saved_phy_bits != et_entry->phy_bits)
update_phy_bits = 1;		update_phy_bits = 1;
if (et_entry->missing_count \|\| update_phy_bits) {		if (et_entry->missing_count \|\| update_phy_bits) {
et_entry->missing_count = 0;		et_entry->missing_count = 0;
if (sc->is_dpm_enable &&		if (sc->is_dpm_enable &&
et_entry->dpm_entry_num !=		et_entry->dpm_entry_num !=
MPR_DPM_BAD_IDX) {		MPR_DPM_BAD_IDX) {
dpm_entry += et_entry->dpm_entry_num;		dpm_entry += et_entry->dpm_entry_num;
missing_count =		missing_count =
(u8)(dpm_entry->MappingInformation &		(u8)(dpm_entry->MappingInformation &
MPI2_DRVMAP0_MAPINFO_MISSING_MASK);		MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
if (!et_entry->init_complete && (		if (missing_count \|\| update_phy_bits) {
missing_count \|\| update_phy_bits)) {
dpm_entry->MappingInformation		dpm_entry->MappingInformation
= et_entry->num_slots;		= et_entry->num_slots;
dpm_entry->MappingInformation		dpm_entry->MappingInformation
<<= map_shift;		<<= map_shift;
dpm_entry->PhysicalBitsMapping		dpm_entry->PhysicalBitsMapping
= et_entry->phy_bits;		= et_entry->phy_bits;
sc->dpm_flush_entry[et_entry->		sc->dpm_flush_entry[et_entry->
dpm_entry_num] = 1;		dpm_entry_num] = 1;
}		}
}		}
}		}
} else {		} 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.
		*/
enc_idx = sc->num_enc_table_entries;		enc_idx = sc->num_enc_table_entries;
if (enc_idx >= sc->max_enclosures) {		if (enc_idx >= sc->max_enclosures) {
printf("%s: enclosure can not be added; "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: "
"mapping table is full\n", __func__);		"Enclosure cannot be added to mapping "
		"table because it's full.\n", __func__);
goto out;		goto out;
}		}
sc->num_enc_table_entries++;		sc->num_enc_table_entries++;
et_entry = &sc->enclosure_table[enc_idx];		et_entry = &sc->enclosure_table[enc_idx];
et_entry->enc_handle = le16toh(event_data->		et_entry->enc_handle = le16toh(event_data->
EnclosureHandle);		EnclosureHandle);
et_entry->enclosure_id = event_data->		et_entry->enclosure_id = le64toh(event_data->
EnclosureLogicalID.High;		EnclosureLogicalID.High);
et_entry->enclosure_id = ( et_entry->enclosure_id <<		et_entry->enclosure_id =
32) \| event_data->EnclosureLogicalID.Low;		((et_entry->enclosure_id << 32) \|
		le64toh(event_data->EnclosureLogicalID.Low));
et_entry->start_index = MPR_MAPTABLE_BAD_IDX;		et_entry->start_index = MPR_MAPTABLE_BAD_IDX;
et_entry->dpm_entry_num = MPR_DPM_BAD_IDX;		et_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
et_entry->num_slots = le16toh(event_data->NumSlots);		et_entry->num_slots = le16toh(event_data->NumSlots);
et_entry->start_slot = le16toh(event_data->StartSlot);		et_entry->start_slot = le16toh(event_data->StartSlot);
et_entry->phy_bits = le32toh(event_data->PhyBits);		et_entry->phy_bits = le32toh(event_data->PhyBits);
}		}
et_entry->init_complete = 1;		et_entry->init_complete = 1;
} else if (event_data->ReasonCode ==		} else if (event_data->ReasonCode ==
MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {		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,		enc_idx = _mapping_get_enc_idx_from_handle(sc,
le16toh(event_data->EnclosureHandle));		le16toh(event_data->EnclosureHandle));
if (enc_idx == MPR_ENCTABLE_BAD_IDX) {		if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
printf("%s: cannot unmap enclosure %d because it has "		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING, "%s: Cannot "
"already been deleted", __func__, enc_idx);		"unmap enclosure %d because it has already been "
		"deleted.\n", __func__, enc_idx);
goto out;		goto out;
}		}
et_entry = &sc->enclosure_table[enc_idx];		et_entry = &sc->enclosure_table[enc_idx];
if (!et_entry->init_complete) {
if (et_entry->missing_count < MPR_MAX_MISSING_COUNT)		if (et_entry->missing_count < MPR_MAX_MISSING_COUNT)
et_entry->missing_count++;		et_entry->missing_count++;
else		if (sc->is_dpm_enable &&
et_entry->init_complete = 1;
}
if (!et_entry->missing_count)
et_entry->missing_count++;
if (sc->is_dpm_enable && !et_entry->init_complete &&
et_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {		et_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
dpm_entry += et_entry->dpm_entry_num;		dpm_entry += et_entry->dpm_entry_num;
dpm_entry->MappingInformation = et_entry->num_slots;		dpm_entry->MappingInformation = et_entry->num_slots;
dpm_entry->MappingInformation <<= map_shift;		dpm_entry->MappingInformation <<= map_shift;
dpm_entry->MappingInformation \|=		dpm_entry->MappingInformation \|=
et_entry->missing_count;		et_entry->missing_count;
sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;		sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
}		}
▲ Show 20 Lines • Show All 103 Lines • ▼ Show 20 Lines
out:		out:
free(topo_change.port_details, M_MPR);		free(topo_change.port_details, M_MPR);
_mapping_flush_dpm_pages(sc);		_mapping_flush_dpm_pages(sc);
if (sc->pending_map_events)		if (sc->pending_map_events)
sc->pending_map_events--;		sc->pending_map_events--;
}		}

/**		/**
* _mapping_check_update_ir_mt_idx - Check and update IR map table index
* @sc: per adapter object
* @event_data: event data payload
* @evt_idx: current event index
* @map_idx: current index and the place holder for new map table index
* @wwid_table: world wide name for volumes in the element table
*
* pass through IR events and find whether any events matches and if so
* tries to find new index if not returns failure
*
* Returns 0 on success and 1 on failure
*/
static int
_mapping_check_update_ir_mt_idx(struct mpr_softc *sc,
Mpi2EventDataIrConfigChangeList_t event_data, int evt_idx, u32 map_idx,
u64 *wwid_table)
{
struct dev_mapping_table *mt_entry;
u32 st_idx, end_idx, mt_idx = *map_idx;
u8 match = 0;
Mpi2EventIrConfigElement_t *element;
u16 element_flags;
int i;

mt_entry = &sc->mapping_table[mt_idx];
_mapping_get_ir_maprange(sc, &st_idx, &end_idx);
search_again:
match = 0;
for (i = evt_idx + 1; i < event_data->NumElements; i++) {
element = (Mpi2EventIrConfigElement_t *)
&event_data->ConfigElement[i];
element_flags = le16toh(element->ElementFlags);
if ((element_flags &
MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) !=
MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT)
continue;
if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED \|\|
element->ReasonCode ==
MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
if (mt_entry->physical_id == wwid_table[i]) {
match = 1;
break;
}
}
}

if (match) {
do {
mt_idx++;
if (mt_idx > end_idx)
return 1;
mt_entry = &sc->mapping_table[mt_idx];
} while (mt_entry->device_info & MPR_MAP_IN_USE);
goto search_again;
}
*map_idx = mt_idx;
return 0;
}

/**
* mpr_mapping_ir_config_change_event - handle IR config change list events		* mpr_mapping_ir_config_change_event - handle IR config change list events
* @sc: per adapter object		* @sc: per adapter object
* @event_data: event data payload		* @event_data: event data payload
*		*
* Returns nothing.		* Returns nothing.
*/		*/
void		void
mpr_mapping_ir_config_change_event(struct mpr_softc *sc,		mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
Mpi2EventDataIrConfigChangeList_t *event_data)		Mpi2EventDataIrConfigChangeList_t *event_data)
{		{
Mpi2EventIrConfigElement_t *element;		Mpi2EventIrConfigElement_t *element;
int i;		int i;
u64 *wwid_table;		u64 *wwid_table;
u32 map_idx, flags;		u32 map_idx, flags;
struct dev_mapping_table *mt_entry;		struct dev_mapping_table *mt_entry;
u16 element_flags;		u16 element_flags;
u8 log_full_error = 0;

wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPR,		wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPR,
M_NOWAIT \| M_ZERO);		M_NOWAIT \| M_ZERO);
if (!wwid_table)		if (!wwid_table)
goto out;		goto out;
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];		element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
flags = le32toh(event_data->Flags);		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++) {		for (i = 0; i < event_data->NumElements; i++, element++) {
element_flags = le16toh(element->ElementFlags);		element_flags = le16toh(element->ElementFlags);
if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&		if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
(element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&		(element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
(element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)		(element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
&& (element->ReasonCode !=		&& (element->ReasonCode !=
MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))		MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
continue;		continue;
if ((element_flags &		if ((element_flags &
MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==		MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {		MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
mpr_config_get_volume_wwid(sc,		mpr_config_get_volume_wwid(sc,
le16toh(element->VolDevHandle), &wwid_table[i]);		le16toh(element->VolDevHandle), &wwid_table[i]);
map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
wwid_table[i]);
if (map_idx != MPR_MAPTABLE_BAD_IDX) {
mt_entry = &sc->mapping_table[map_idx];
mt_entry->device_info \|= MPR_MAP_IN_USE;
}		}
}		}
}
		/*
		* 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)		if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
goto out;		goto out;
else {		else {
element = (Mpi2EventIrConfigElement_t *)&event_data->		element = (Mpi2EventIrConfigElement_t *)&event_data->
ConfigElement[0];		ConfigElement[0];
for (i = 0; i < event_data->NumElements; i++, element++) {		for (i = 0; i < event_data->NumElements; i++, element++) {
if (element->ReasonCode ==		if (element->ReasonCode ==
MPI2_EVENT_IR_CHANGE_RC_ADDED \|\|		MPI2_EVENT_IR_CHANGE_RC_ADDED \|\|
element->ReasonCode ==		element->ReasonCode ==
MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {		MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
map_idx = _mapping_get_ir_mt_idx_from_wwid		map_idx = _mapping_get_ir_mt_idx_from_wwid
(sc, wwid_table[i]);		(sc, wwid_table[i]);
if (map_idx != MPR_MAPTABLE_BAD_IDX) {		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 = &sc->mapping_table[map_idx];
mt_entry->channel = MPR_RAID_CHANNEL;
mt_entry->id = map_idx;		mt_entry->id = map_idx;
mt_entry->dev_handle = le16toh		mt_entry->dev_handle = le16toh
(element->VolDevHandle);		(element->VolDevHandle);
mt_entry->device_info =		mt_entry->device_info =
MPR_DEV_RESERVED \| MPR_MAP_IN_USE;		MPR_DEV_RESERVED \| MPR_MAP_IN_USE;
_mapping_update_ir_missing_cnt(sc,		_mapping_update_ir_missing_cnt(sc,
map_idx, element, wwid_table[i]);		map_idx, element, wwid_table[i]);
continue;		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);		map_idx = _mapping_get_free_ir_mt_idx(sc);
if (map_idx == MPR_MAPTABLE_BAD_IDX)		if (map_idx == MPR_MAPTABLE_BAD_IDX)
log_full_error = 1;		{
else if (i < (event_data->NumElements - 1)) {		mpr_dprint(sc, MPR_ERROR \| MPR_MAPPING,
log_full_error =		"%s: failed to add the volume with "
_mapping_check_update_ir_mt_idx		"handle 0x%04x because there is no "
(sc, event_data, i, &map_idx,		"free space available in the "
wwid_table);		"mapping table\n", __func__,
}		le16toh(element->VolDevHandle));
if (log_full_error) {
printf("%s: no space to add the RAID "
"volume with handle 0x%04x in "
"mapping table\n", __func__, le16toh
(element->VolDevHandle));
continue;		continue;
}		}
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
mt_entry->physical_id = wwid_table[i];		mt_entry->physical_id = wwid_table[i];
mt_entry->channel = MPR_RAID_CHANNEL;
mt_entry->id = map_idx;		mt_entry->id = map_idx;
mt_entry->dev_handle = le16toh(element->		mt_entry->dev_handle = le16toh(element->
VolDevHandle);		VolDevHandle);
mt_entry->device_info = MPR_DEV_RESERVED \|		mt_entry->device_info = MPR_DEV_RESERVED \|
MPR_MAP_IN_USE;		MPR_MAP_IN_USE;
mt_entry->init_complete = 0;
_mapping_update_ir_missing_cnt(sc, map_idx,		_mapping_update_ir_missing_cnt(sc, map_idx,
element, wwid_table[i]);		element, wwid_table[i]);
} else if (element->ReasonCode ==		} else if (element->ReasonCode ==
MPI2_EVENT_IR_CHANGE_RC_REMOVED) {		MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,		map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
wwid_table[i]);		wwid_table[i]);
if (map_idx == MPR_MAPTABLE_BAD_IDX) {		if (map_idx == MPR_MAPTABLE_BAD_IDX) {
printf("%s: failed to remove a volume "		mpr_dprint(sc, MPR_MAPPING,"%s: Failed "
"because it has already been "		"to remove a volume because it has "
"removed\n", __func__);		"already been removed.\n",
		__func__);
continue;		continue;
}		}
_mapping_update_ir_missing_cnt(sc, map_idx,		_mapping_update_ir_missing_cnt(sc, map_idx,
element, wwid_table[i]);		element, wwid_table[i]);
} else if (element->ReasonCode ==		} else if (element->ReasonCode ==
MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {		MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
map_idx = _mapping_get_mt_idx_from_handle(sc,		map_idx = _mapping_get_mt_idx_from_handle(sc,
le16toh(element->VolDevHandle));		le16toh(element->VolDevHandle));
if (map_idx == MPR_MAPTABLE_BAD_IDX) {		if (map_idx == MPR_MAPTABLE_BAD_IDX) {
printf("%s: failed to remove volume "		mpr_dprint(sc, MPR_MAPPING,"%s: Failed "
"with handle 0x%04x because it has "		"to remove volume with handle "
"already been removed\n", __func__,		"0x%04x because it has already "
		"been removed.\n", __func__,
le16toh(element->VolDevHandle));		le16toh(element->VolDevHandle));
continue;		continue;
}		}
mt_entry = &sc->mapping_table[map_idx];		mt_entry = &sc->mapping_table[map_idx];
_mapping_update_ir_missing_cnt(sc, map_idx,		_mapping_update_ir_missing_cnt(sc, map_idx,
element, mt_entry->physical_id);		element, mt_entry->physical_id);
}		}
}		}
}		}

out:		out:
_mapping_flush_dpm_pages(sc);		_mapping_flush_dpm_pages(sc);
free(wwid_table, M_MPR);		free(wwid_table, M_MPR);
if (sc->pending_map_events)		if (sc->pending_map_events)
sc->pending_map_events--;		sc->pending_map_events--;
}		}