Commit 42fc9fee authored by Sreekanth Reddy's avatar Sreekanth Reddy Committed by Martin K. Petersen
Browse files

scsi: mpi3mr: Add helper functions to manage device's port

Add the following helper functions:

 - Update the host phys with STL

 - Remove the device's SAS port with STL

Link: https://lore.kernel.org/r/20220804131226.16653-8-sreekanth.reddy@broadcom.com


Reviewed-by: default avatarHimanshu Madhani <himanshu.madani@oracle.com>
Signed-off-by: default avatarSreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 125ad1e6
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+13 −0
Original line number Diff line number Diff line
@@ -570,12 +570,18 @@ struct mpi3mr_enclosure_node {
 *
 * @sas_address: World wide unique SAS address
 * @dev_info: Device information bits
 * @sas_transport_attached: Is this device exposed to transport
 * @pend_sas_rphy_add: Flag to check device is in process of add
 * @hba_port: HBA port entry
 * @rphy: SAS transport layer rphy object
 */
struct tgt_dev_sas_sata {
	u64 sas_address;
	u16 dev_info;
	u8 sas_transport_attached;
	u8 pend_sas_rphy_add;
	struct mpi3mr_hba_port *hba_port;
	struct sas_rphy *rphy;
};

/**
@@ -1331,4 +1337,11 @@ int mpi3mr_cfg_get_driver_pg1(struct mpi3mr_ioc *mrioc,
u8 mpi3mr_is_expander_device(u16 device_info);
struct mpi3mr_hba_port *mpi3mr_get_hba_port_by_id(struct mpi3mr_ioc *mrioc,
	u8 port_id);
void mpi3mr_sas_host_refresh(struct mpi3mr_ioc *mrioc);
void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc);
void mpi3mr_update_links(struct mpi3mr_ioc *mrioc,
	u64 sas_address_parent, u16 handle, u8 phy_number, u8 link_rate,
	struct mpi3mr_hba_port *hba_port);
void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
	bool device_add);
#endif /*MPI3MR_H_INCLUDED*/
+1 −1
Original line number Diff line number Diff line
@@ -796,7 +796,7 @@ static void mpi3mr_set_io_divert_for_all_vd_in_tg(struct mpi3mr_ioc *mrioc,
 *
 * Return: None.
 */
static void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
	bool device_add)
{
	ioc_notice(mrioc, "Device %s was in progress before the reset and\n",
+525 −0
Original line number Diff line number Diff line
@@ -706,3 +706,528 @@ struct mpi3mr_hba_port *mpi3mr_get_hba_port_by_id(struct mpi3mr_ioc *mrioc,

	return NULL;
}

/**
 * mpi3mr_update_links - refreshing SAS phy link changes
 * @mrioc: Adapter instance reference
 * @sas_address_parent: SAS address of parent expander or host
 * @handle: Firmware device handle of attached device
 * @phy_number: Phy number
 * @link_rate: New link rate
 * @hba_port: HBA port entry
 *
 * Return: None.
 */
void mpi3mr_update_links(struct mpi3mr_ioc *mrioc,
	u64 sas_address_parent, u16 handle, u8 phy_number, u8 link_rate,
	struct mpi3mr_hba_port *hba_port)
{
	unsigned long flags;
	struct mpi3mr_sas_node *mr_sas_node;
	struct mpi3mr_sas_phy *mr_sas_phy;

	if (mrioc->reset_in_progress)
		return;

	spin_lock_irqsave(&mrioc->sas_node_lock, flags);
	mr_sas_node = __mpi3mr_sas_node_find_by_sas_address(mrioc,
	    sas_address_parent, hba_port);
	if (!mr_sas_node) {
		spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
		return;
	}

	mr_sas_phy = &mr_sas_node->phy[phy_number];
	mr_sas_phy->attached_handle = handle;
	spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
	if (handle && (link_rate >= MPI3_SAS_NEG_LINK_RATE_1_5)) {
		mpi3mr_set_identify(mrioc, handle,
		    &mr_sas_phy->remote_identify);
		mpi3mr_add_phy_to_an_existing_port(mrioc, mr_sas_node,
		    mr_sas_phy, mr_sas_phy->remote_identify.sas_address,
		    hba_port);
	} else
		memset(&mr_sas_phy->remote_identify, 0, sizeof(struct
		    sas_identify));

	if (mr_sas_phy->phy)
		mr_sas_phy->phy->negotiated_linkrate =
		    mpi3mr_convert_phy_link_rate(link_rate);

	if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
		dev_info(&mr_sas_phy->phy->dev,
		    "refresh: parent sas_address(0x%016llx),\n"
		    "\tlink_rate(0x%02x), phy(%d)\n"
		    "\tattached_handle(0x%04x), sas_address(0x%016llx)\n",
		    (unsigned long long)sas_address_parent,
		    link_rate, phy_number, handle, (unsigned long long)
		    mr_sas_phy->remote_identify.sas_address);
}

/**
 * mpi3mr_sas_host_refresh - refreshing sas host object contents
 * @mrioc: Adapter instance reference
 *
 * This function refreshes the controllers phy information and
 * updates the SAS transport layer with updated information,
 * this is executed for each device addition or device info
 * change events
 *
 * Return: None.
 */
void mpi3mr_sas_host_refresh(struct mpi3mr_ioc *mrioc)
{
	int i;
	u8 link_rate;
	u16 sz, port_id, attached_handle;
	struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0 = NULL;

	dprint_transport_info(mrioc,
	    "updating handles for sas_host(0x%016llx)\n",
	    (unsigned long long)mrioc->sas_hba.sas_address);

	sz = offsetof(struct mpi3_sas_io_unit_page0, phy_data) +
	    (mrioc->sas_hba.num_phys *
	     sizeof(struct mpi3_sas_io_unit0_phy_data));
	sas_io_unit_pg0 = kzalloc(sz, GFP_KERNEL);
	if (!sas_io_unit_pg0)
		return;
	if (mpi3mr_cfg_get_sas_io_unit_pg0(mrioc, sas_io_unit_pg0, sz)) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out;
	}

	mrioc->sas_hba.handle = 0;
	for (i = 0; i < mrioc->sas_hba.num_phys; i++) {
		if (sas_io_unit_pg0->phy_data[i].phy_flags &
		    (MPI3_SASIOUNIT0_PHYFLAGS_HOST_PHY |
		     MPI3_SASIOUNIT0_PHYFLAGS_VIRTUAL_PHY))
			continue;
		link_rate =
		    sas_io_unit_pg0->phy_data[i].negotiated_link_rate >> 4;
		if (!mrioc->sas_hba.handle)
			mrioc->sas_hba.handle = le16_to_cpu(
			    sas_io_unit_pg0->phy_data[i].controller_dev_handle);
		port_id = sas_io_unit_pg0->phy_data[i].io_unit_port;
		if (!(mpi3mr_get_hba_port_by_id(mrioc, port_id)))
			if (!mpi3mr_alloc_hba_port(mrioc, port_id))
				goto out;

		mrioc->sas_hba.phy[i].handle = mrioc->sas_hba.handle;
		attached_handle = le16_to_cpu(
		    sas_io_unit_pg0->phy_data[i].attached_dev_handle);
		if (attached_handle && link_rate < MPI3_SAS_NEG_LINK_RATE_1_5)
			link_rate = MPI3_SAS_NEG_LINK_RATE_1_5;
		mrioc->sas_hba.phy[i].hba_port =
			mpi3mr_get_hba_port_by_id(mrioc, port_id);
		mpi3mr_update_links(mrioc, mrioc->sas_hba.sas_address,
		    attached_handle, i, link_rate,
		    mrioc->sas_hba.phy[i].hba_port);
	}
 out:
	kfree(sas_io_unit_pg0);
}

/**
 * mpi3mr_sas_host_add - create sas host object
 * @mrioc: Adapter instance reference
 *
 * This function creates the controllers phy information and
 * updates the SAS transport layer with updated information,
 * this is executed for first device addition or device info
 * change event.
 *
 * Return: None.
 */
void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc)
{
	int i;
	u16 sz, num_phys = 1, port_id, ioc_status;
	struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0 = NULL;
	struct mpi3_sas_phy_page0 phy_pg0;
	struct mpi3_device_page0 dev_pg0;
	struct mpi3_enclosure_page0 encl_pg0;
	struct mpi3_device0_sas_sata_format *sasinf;

	sz = offsetof(struct mpi3_sas_io_unit_page0, phy_data) +
	    (num_phys * sizeof(struct mpi3_sas_io_unit0_phy_data));
	sas_io_unit_pg0 = kzalloc(sz, GFP_KERNEL);
	if (!sas_io_unit_pg0)
		return;

	if (mpi3mr_cfg_get_sas_io_unit_pg0(mrioc, sas_io_unit_pg0, sz)) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out;
	}
	num_phys = sas_io_unit_pg0->num_phys;
	kfree(sas_io_unit_pg0);

	mrioc->sas_hba.host_node = 1;
	INIT_LIST_HEAD(&mrioc->sas_hba.sas_port_list);
	mrioc->sas_hba.parent_dev = &mrioc->shost->shost_gendev;
	mrioc->sas_hba.phy = kcalloc(num_phys,
	    sizeof(struct mpi3mr_sas_phy), GFP_KERNEL);
	if (!mrioc->sas_hba.phy)
		return;

	mrioc->sas_hba.num_phys = num_phys;

	sz = offsetof(struct mpi3_sas_io_unit_page0, phy_data) +
	    (num_phys * sizeof(struct mpi3_sas_io_unit0_phy_data));
	sas_io_unit_pg0 = kzalloc(sz, GFP_KERNEL);
	if (!sas_io_unit_pg0)
		return;

	if (mpi3mr_cfg_get_sas_io_unit_pg0(mrioc, sas_io_unit_pg0, sz)) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out;
	}

	mrioc->sas_hba.handle = 0;
	for (i = 0; i < mrioc->sas_hba.num_phys; i++) {
		if (sas_io_unit_pg0->phy_data[i].phy_flags &
		    (MPI3_SASIOUNIT0_PHYFLAGS_HOST_PHY |
		    MPI3_SASIOUNIT0_PHYFLAGS_VIRTUAL_PHY))
			continue;
		if (mpi3mr_cfg_get_sas_phy_pg0(mrioc, &ioc_status, &phy_pg0,
		    sizeof(struct mpi3_sas_phy_page0),
		    MPI3_SAS_PHY_PGAD_FORM_PHY_NUMBER, i)) {
			ioc_err(mrioc, "failure at %s:%d/%s()!\n",
			    __FILE__, __LINE__, __func__);
			goto out;
		}
		if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
			ioc_err(mrioc, "failure at %s:%d/%s()!\n",
			    __FILE__, __LINE__, __func__);
			goto out;
		}

		if (!mrioc->sas_hba.handle)
			mrioc->sas_hba.handle = le16_to_cpu(
			    sas_io_unit_pg0->phy_data[i].controller_dev_handle);
		port_id = sas_io_unit_pg0->phy_data[i].io_unit_port;

		if (!(mpi3mr_get_hba_port_by_id(mrioc, port_id)))
			if (!mpi3mr_alloc_hba_port(mrioc, port_id))
				goto out;

		mrioc->sas_hba.phy[i].handle = mrioc->sas_hba.handle;
		mrioc->sas_hba.phy[i].phy_id = i;
		mrioc->sas_hba.phy[i].hba_port =
		    mpi3mr_get_hba_port_by_id(mrioc, port_id);
		mpi3mr_add_host_phy(mrioc, &mrioc->sas_hba.phy[i],
		    phy_pg0, mrioc->sas_hba.parent_dev);
	}
	if ((mpi3mr_cfg_get_dev_pg0(mrioc, &ioc_status, &dev_pg0,
	    sizeof(dev_pg0), MPI3_DEVICE_PGAD_FORM_HANDLE,
	    mrioc->sas_hba.handle))) {
		ioc_err(mrioc, "%s: device page0 read failed\n", __func__);
		goto out;
	}
	if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
		ioc_err(mrioc, "device page read failed for handle(0x%04x), with ioc_status(0x%04x) failure at %s:%d/%s()!\n",
		    mrioc->sas_hba.handle, ioc_status, __FILE__, __LINE__,
		    __func__);
		goto out;
	}
	mrioc->sas_hba.enclosure_handle =
	    le16_to_cpu(dev_pg0.enclosure_handle);
	sasinf = &dev_pg0.device_specific.sas_sata_format;
	mrioc->sas_hba.sas_address =
	    le64_to_cpu(sasinf->sas_address);
	ioc_info(mrioc,
	    "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
	    mrioc->sas_hba.handle,
	    (unsigned long long) mrioc->sas_hba.sas_address,
	    mrioc->sas_hba.num_phys);

	if (mrioc->sas_hba.enclosure_handle) {
		if (!(mpi3mr_cfg_get_enclosure_pg0(mrioc, &ioc_status,
		    &encl_pg0, sizeof(dev_pg0),
		    MPI3_ENCLOS_PGAD_FORM_HANDLE,
		    mrioc->sas_hba.enclosure_handle)) &&
		    (ioc_status == MPI3_IOCSTATUS_SUCCESS))
			mrioc->sas_hba.enclosure_logical_id =
				le64_to_cpu(encl_pg0.enclosure_logical_id);
	}

out:
	kfree(sas_io_unit_pg0);
}

/**
 * mpi3mr_sas_port_add - Expose the SAS device to the SAS TL
 * @mrioc: Adapter instance reference
 * @handle: Firmware device handle of the attached device
 * @sas_address_parent: sas address of parent expander or host
 * @hba_port: HBA port entry
 *
 * This function creates a new sas port object for the given end
 * device matching sas address and hba_port and adds it to the
 * sas_node's sas_port_list and expose the attached sas device
 * to the SAS transport layer through sas_rphy_add.
 *
 * Returns a valid mpi3mr_sas_port reference or NULL.
 */
static struct mpi3mr_sas_port *mpi3mr_sas_port_add(struct mpi3mr_ioc *mrioc,
	u16 handle, u64 sas_address_parent, struct mpi3mr_hba_port *hba_port)
{
	struct mpi3mr_sas_phy *mr_sas_phy, *next;
	struct mpi3mr_sas_port *mr_sas_port;
	unsigned long flags;
	struct mpi3mr_sas_node *mr_sas_node;
	struct sas_rphy *rphy;
	struct mpi3mr_tgt_dev *tgtdev = NULL;
	int i;
	struct sas_port *port;

	if (!hba_port) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		return NULL;
	}

	mr_sas_port = kzalloc(sizeof(struct mpi3mr_sas_port), GFP_KERNEL);
	if (!mr_sas_port)
		return NULL;

	INIT_LIST_HEAD(&mr_sas_port->port_list);
	INIT_LIST_HEAD(&mr_sas_port->phy_list);
	spin_lock_irqsave(&mrioc->sas_node_lock, flags);
	mr_sas_node = __mpi3mr_sas_node_find_by_sas_address(mrioc,
	    sas_address_parent, hba_port);
	spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);

	if (!mr_sas_node) {
		ioc_err(mrioc, "%s:could not find parent sas_address(0x%016llx)!\n",
		    __func__, (unsigned long long)sas_address_parent);
		goto out_fail;
	}

	if ((mpi3mr_set_identify(mrioc, handle,
	    &mr_sas_port->remote_identify))) {
		ioc_err(mrioc,  "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out_fail;
	}

	if (mr_sas_port->remote_identify.device_type == SAS_PHY_UNUSED) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out_fail;
	}

	mr_sas_port->hba_port = hba_port;
	mpi3mr_sas_port_sanity_check(mrioc, mr_sas_node,
	    mr_sas_port->remote_identify.sas_address, hba_port);

	for (i = 0; i < mr_sas_node->num_phys; i++) {
		if ((mr_sas_node->phy[i].remote_identify.sas_address !=
		    mr_sas_port->remote_identify.sas_address) ||
		    (mr_sas_node->phy[i].hba_port != hba_port))
			continue;
		list_add_tail(&mr_sas_node->phy[i].port_siblings,
		    &mr_sas_port->phy_list);
		mr_sas_port->num_phys++;
	}

	if (!mr_sas_port->num_phys) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out_fail;
	}

	if (mr_sas_port->remote_identify.device_type == SAS_END_DEVICE) {
		tgtdev = mpi3mr_get_tgtdev_by_addr(mrioc,
		    mr_sas_port->remote_identify.sas_address,
		    mr_sas_port->hba_port);

		if (!tgtdev) {
			ioc_err(mrioc, "failure at %s:%d/%s()!\n",
			    __FILE__, __LINE__, __func__);
			goto out_fail;
		}
		tgtdev->dev_spec.sas_sata_inf.pend_sas_rphy_add = 1;
	}

	if (!mr_sas_node->parent_dev) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out_fail;
	}

	port = sas_port_alloc_num(mr_sas_node->parent_dev);
	if ((sas_port_add(port))) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
		goto out_fail;
	}

	list_for_each_entry(mr_sas_phy, &mr_sas_port->phy_list,
	    port_siblings) {
		if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
			dev_info(&port->dev,
			    "add: handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
			    handle, (unsigned long long)
			    mr_sas_port->remote_identify.sas_address,
			    mr_sas_phy->phy_id);
		sas_port_add_phy(port, mr_sas_phy->phy);
		mr_sas_phy->phy_belongs_to_port = 1;
		mr_sas_phy->hba_port = hba_port;
	}

	mr_sas_port->port = port;
	if (mr_sas_port->remote_identify.device_type == SAS_END_DEVICE) {
		rphy = sas_end_device_alloc(port);
		tgtdev->dev_spec.sas_sata_inf.rphy = rphy;
	} else {
		rphy = sas_expander_alloc(port,
		    mr_sas_port->remote_identify.device_type);
	}
	rphy->identify = mr_sas_port->remote_identify;

	if (mrioc->current_event)
		mrioc->current_event->pending_at_sml = 1;

	if ((sas_rphy_add(rphy))) {
		ioc_err(mrioc, "failure at %s:%d/%s()!\n",
		    __FILE__, __LINE__, __func__);
	}
	if (mr_sas_port->remote_identify.device_type == SAS_END_DEVICE) {
		tgtdev->dev_spec.sas_sata_inf.pend_sas_rphy_add = 0;
		tgtdev->dev_spec.sas_sata_inf.sas_transport_attached = 1;
		mpi3mr_tgtdev_put(tgtdev);
	}

	dev_info(&rphy->dev,
	    "%s: added: handle(0x%04x), sas_address(0x%016llx)\n",
	    __func__, handle, (unsigned long long)
	    mr_sas_port->remote_identify.sas_address);

	mr_sas_port->rphy = rphy;
	spin_lock_irqsave(&mrioc->sas_node_lock, flags);
	list_add_tail(&mr_sas_port->port_list, &mr_sas_node->sas_port_list);
	spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);

	if (mrioc->current_event) {
		mrioc->current_event->pending_at_sml = 0;
		if (mrioc->current_event->discard)
			mpi3mr_print_device_event_notice(mrioc, true);
	}

	return mr_sas_port;

 out_fail:
	list_for_each_entry_safe(mr_sas_phy, next, &mr_sas_port->phy_list,
	    port_siblings)
		list_del(&mr_sas_phy->port_siblings);
	kfree(mr_sas_port);
	return NULL;
}

/**
 * mpi3mr_sas_port_remove - remove port from the list
 * @mrioc: Adapter instance reference
 * @sas_address: SAS address of attached device
 * @sas_address_parent: SAS address of parent expander or host
 * @hba_port: HBA port entry
 *
 * Removing object and freeing associated memory from the
 * sas_port_list.
 *
 * Return: None
 */
static void mpi3mr_sas_port_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
	u64 sas_address_parent, struct mpi3mr_hba_port *hba_port)
{
	int i;
	unsigned long flags;
	struct mpi3mr_sas_port *mr_sas_port, *next;
	struct mpi3mr_sas_node *mr_sas_node;
	u8 found = 0;
	struct mpi3mr_sas_phy *mr_sas_phy, *next_phy;
	struct mpi3mr_hba_port *srch_port, *hba_port_next = NULL;

	if (!hba_port)
		return;

	spin_lock_irqsave(&mrioc->sas_node_lock, flags);
	mr_sas_node = __mpi3mr_sas_node_find_by_sas_address(mrioc,
	    sas_address_parent, hba_port);
	if (!mr_sas_node) {
		spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
		return;
	}
	list_for_each_entry_safe(mr_sas_port, next, &mr_sas_node->sas_port_list,
	    port_list) {
		if (mr_sas_port->remote_identify.sas_address != sas_address)
			continue;
		if (mr_sas_port->hba_port != hba_port)
			continue;
		found = 1;
		list_del(&mr_sas_port->port_list);
		goto out;
	}

 out:
	if (!found) {
		spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
		return;
	}

	if (mr_sas_node->host_node) {
		list_for_each_entry_safe(srch_port, hba_port_next,
		    &mrioc->hba_port_table_list, list) {
			if (srch_port != hba_port)
				continue;
			ioc_info(mrioc,
			    "removing hba_port entry: %p port: %d from hba_port list\n",
			    srch_port, srch_port->port_id);
			list_del(&hba_port->list);
			kfree(hba_port);
			break;
		}
	}

	for (i = 0; i < mr_sas_node->num_phys; i++) {
		if (mr_sas_node->phy[i].remote_identify.sas_address ==
		    sas_address)
			memset(&mr_sas_node->phy[i].remote_identify, 0,
			    sizeof(struct sas_identify));
	}

	spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);

	if (mrioc->current_event)
		mrioc->current_event->pending_at_sml = 1;

	list_for_each_entry_safe(mr_sas_phy, next_phy,
	    &mr_sas_port->phy_list, port_siblings) {
		if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
			dev_info(&mr_sas_port->port->dev,
			    "remove: sas_address(0x%016llx), phy(%d)\n",
			    (unsigned long long)
			    mr_sas_port->remote_identify.sas_address,
			    mr_sas_phy->phy_id);
		mr_sas_phy->phy_belongs_to_port = 0;
		if (!mrioc->stop_drv_processing)
			sas_port_delete_phy(mr_sas_port->port,
			    mr_sas_phy->phy);
		list_del(&mr_sas_phy->port_siblings);
	}
	if (!mrioc->stop_drv_processing)
		sas_port_delete(mr_sas_port->port);
	ioc_info(mrioc, "%s: removed sas_address(0x%016llx)\n",
	    __func__, (unsigned long long)sas_address);

	if (mrioc->current_event) {
		mrioc->current_event->pending_at_sml = 0;
		if (mrioc->current_event->discard)
			mpi3mr_print_device_event_notice(mrioc, false);
	}

	kfree(mr_sas_port);
}