diff options
author | Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com> | 2017-10-31 18:02:27 +0530 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-11-03 12:20:52 -0400 |
commit | d88e1eaba6eee7bfe10480e575b33ab8a3a68e77 (patch) | |
tree | 4acf7532d2b1fe9b838a48ddf13d1fd6de0a489b /drivers/scsi/mpt3sas/mpt3sas_scsih.c | |
parent | b5c5d0adf75cd4c0fb037ba2ca0ed80ae9ba3d05 (diff) | |
download | op-kernel-dev-d88e1eaba6eee7bfe10480e575b33ab8a3a68e77.zip op-kernel-dev-d88e1eaba6eee7bfe10480e575b33ab8a3a68e77.tar.gz |
scsi: mpt3sas: Add nvme device support in slave alloc, target alloc and probe
1) Added support for probing pcie device and adding NVMe drives to SML
and driver's internal list pcie_device_list.
2) Added support for determing NVMe as boot device.
3) Added nvme device support for call back functions scan_finished
target_alloc,slave_alloc,target destroy and slave destroy.
a) During scan, pcie devices are probed and added to SML to drivers
internal list.
b) target_alloc & slave alloc API's allocates resources for
(MPT3SAS_TARGET & MPT3SAS_DEVICE) private datas and holds information
like handle, target_id etc.
c) slave_destroy & target_destroy are called when driver unregisters
or removes device. Also frees allocated resources and info.
Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_scsih.c')
-rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 430 |
1 files changed, 402 insertions, 28 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index dee8308..c863997 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -60,6 +60,9 @@ #include "mpt3sas_base.h" #define RAID_CHANNEL 1 + +#define PCIE_CHANNEL 2 + /* forward proto's */ static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, struct _sas_node *sas_expander); @@ -442,21 +445,22 @@ _scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle, /** * _scsih_determine_boot_device - determine boot device. * @ioc: per adapter object - * @device: either sas_device or raid_device object - * @is_raid: [flag] 1 = raid object, 0 = sas object + * @device: sas_device or pcie_device object + * @channel: SAS or PCIe channel * * Determines whether this device should be first reported device to * to scsi-ml or sas transport, this purpose is for persistent boot device. * There are primary, alternate, and current entries in bios page 2. The order * priority is primary, alternate, then current. This routine saves - * the corresponding device object and is_raid flag in the ioc object. + * the corresponding device object. * The saved data to be used later in _scsih_probe_boot_devices(). */ static void -_scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, - void *device, u8 is_raid) +_scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, void *device, + u32 channel) { struct _sas_device *sas_device; + struct _pcie_device *pcie_device; struct _raid_device *raid_device; u64 sas_address; u64 device_name; @@ -471,18 +475,24 @@ _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, if (!ioc->bios_pg3.BiosVersion) return; - if (!is_raid) { - sas_device = device; - sas_address = sas_device->sas_address; - device_name = sas_device->device_name; - enclosure_logical_id = sas_device->enclosure_logical_id; - slot = sas_device->slot; - } else { + if (channel == RAID_CHANNEL) { raid_device = device; sas_address = raid_device->wwid; device_name = 0; enclosure_logical_id = 0; slot = 0; + } else if (channel == PCIE_CHANNEL) { + pcie_device = device; + sas_address = pcie_device->wwid; + device_name = 0; + enclosure_logical_id = 0; + slot = 0; + } else { + sas_device = device; + sas_address = sas_device->sas_address; + device_name = sas_device->device_name; + enclosure_logical_id = sas_device->enclosure_logical_id; + slot = sas_device->slot; } if (!ioc->req_boot_device.device) { @@ -496,7 +506,7 @@ _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, ioc->name, __func__, (unsigned long long)sas_address)); ioc->req_boot_device.device = device; - ioc->req_boot_device.is_raid = is_raid; + ioc->req_boot_device.channel = channel; } } @@ -511,7 +521,7 @@ _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, ioc->name, __func__, (unsigned long long)sas_address)); ioc->req_alt_boot_device.device = device; - ioc->req_alt_boot_device.is_raid = is_raid; + ioc->req_alt_boot_device.channel = channel; } } @@ -526,7 +536,7 @@ _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, ioc->name, __func__, (unsigned long long)sas_address)); ioc->current_boot_device.device = device; - ioc->current_boot_device.is_raid = is_raid; + ioc->current_boot_device.channel = channel; } } } @@ -539,7 +549,7 @@ __mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, assert_spin_locked(&ioc->sas_device_lock); - ret = tgt_priv->sdev; + ret = tgt_priv->sas_dev; if (ret) sas_device_get(ret); @@ -560,6 +570,44 @@ mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, return ret; } +static struct _pcie_device * +__mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc, + struct MPT3SAS_TARGET *tgt_priv) +{ + struct _pcie_device *ret; + + assert_spin_locked(&ioc->pcie_device_lock); + + ret = tgt_priv->pcie_dev; + if (ret) + pcie_device_get(ret); + + return ret; +} + +/** + * mpt3sas_get_pdev_from_target - pcie device search + * @ioc: per adapter object + * @tgt_priv: starget private object + * + * Context: This function will acquire ioc->pcie_device_lock and will release + * before returning the pcie_device object. + * + * This searches for pcie_device from target, then return pcie_device object. + */ +struct _pcie_device * +mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc, + struct MPT3SAS_TARGET *tgt_priv) +{ + struct _pcie_device *ret; + unsigned long flags; + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + ret = __mpt3sas_get_pdev_from_target(ioc, tgt_priv); + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + + return ret; +} struct _sas_device * __mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, @@ -889,6 +937,146 @@ _scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc, spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } + +struct _pcie_device * +__mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid) +{ + struct _pcie_device *pcie_device; + + assert_spin_locked(&ioc->pcie_device_lock); + + list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) + if (pcie_device->wwid == wwid) + goto found_device; + + list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list) + if (pcie_device->wwid == wwid) + goto found_device; + + return NULL; + +found_device: + pcie_device_get(pcie_device); + return pcie_device; +} + + +/** + * mpt3sas_get_pdev_by_wwid - pcie device search + * @ioc: per adapter object + * @wwid: wwid + * + * Context: This function will acquire ioc->pcie_device_lock and will release + * before returning the pcie_device object. + * + * This searches for pcie_device based on wwid, then return pcie_device object. + */ +struct _pcie_device * +mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid) +{ + struct _pcie_device *pcie_device; + unsigned long flags; + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid); + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + + return pcie_device; +} + + +struct _pcie_device * +__mpt3sas_get_pdev_by_idchannel(struct MPT3SAS_ADAPTER *ioc, int id, + int channel) +{ + struct _pcie_device *pcie_device; + + assert_spin_locked(&ioc->pcie_device_lock); + + list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) + if (pcie_device->id == id && pcie_device->channel == channel) + goto found_device; + + list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list) + if (pcie_device->id == id && pcie_device->channel == channel) + goto found_device; + + return NULL; + +found_device: + pcie_device_get(pcie_device); + return pcie_device; +} + + +/** + * mpt3sas_get_pdev_by_idchannel - pcie device search + * @ioc: per adapter object + * @id: Target ID + * @channel: Channel ID + * + * Context: This function will acquire ioc->pcie_device_lock and will release + * before returning the pcie_device object. + * + * This searches for pcie_device based on id and channel, then return + * pcie_device object. + */ +struct _pcie_device * +mpt3sas_get_pdev_by_idchannel(struct MPT3SAS_ADAPTER *ioc, int id, int channel) +{ + struct _pcie_device *pcie_device; + unsigned long flags; + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + pcie_device = __mpt3sas_get_pdev_by_idchannel(ioc, id, channel); + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + + return pcie_device; +} +/** + * _scsih_pcie_device_remove - remove pcie_device from list. + * @ioc: per adapter object + * @pcie_device: the pcie_device object + * Context: This function will acquire ioc->pcie_device_lock. + * + * If pcie_device is on the list, remove it and decrement its reference count. + */ +static void +_scsih_pcie_device_remove(struct MPT3SAS_ADAPTER *ioc, + struct _pcie_device *pcie_device) +{ + unsigned long flags; + int was_on_pcie_device_list = 0; + + if (!pcie_device) + return; + pr_info(MPT3SAS_FMT + "removing handle(0x%04x), wwid(0x%016llx)\n", + ioc->name, pcie_device->handle, + (unsigned long long) pcie_device->wwid); + if (pcie_device->enclosure_handle != 0) + pr_info(MPT3SAS_FMT + "removing enclosure logical id(0x%016llx), slot(%d)\n", + ioc->name, + (unsigned long long)pcie_device->enclosure_logical_id, + pcie_device->slot); + if (pcie_device->connector_name[0] != '\0') + pr_info(MPT3SAS_FMT + "removing enclosure level(0x%04x), connector name( %s)\n", + ioc->name, pcie_device->enclosure_level, + pcie_device->connector_name); + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + if (!list_empty(&pcie_device->list)) { + list_del_init(&pcie_device->list); + was_on_pcie_device_list = 1; + } + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + if (was_on_pcie_device_list) { + kfree(pcie_device->serial_number); + pcie_device_put(pcie_device); + } +} /** * _scsih_raid_device_find_by_id - raid device search * @ioc: per adapter object @@ -1316,6 +1504,7 @@ scsih_target_alloc(struct scsi_target *starget) struct MPT3SAS_TARGET *sas_target_priv_data; struct _sas_device *sas_device; struct _raid_device *raid_device; + struct _pcie_device *pcie_device; unsigned long flags; struct sas_rphy *rphy; @@ -1345,6 +1534,28 @@ scsih_target_alloc(struct scsi_target *starget) return 0; } + /* PCIe devices */ + if (starget->channel == PCIE_CHANNEL) { + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + pcie_device = __mpt3sas_get_pdev_by_idchannel(ioc, starget->id, + starget->channel); + if (pcie_device) { + sas_target_priv_data->handle = pcie_device->handle; + sas_target_priv_data->sas_address = pcie_device->wwid; + sas_target_priv_data->pcie_dev = pcie_device; + pcie_device->starget = starget; + pcie_device->id = starget->id; + pcie_device->channel = starget->channel; + sas_target_priv_data->flags |= + MPT_TARGET_FLAGS_PCIE_DEVICE; + if (pcie_device->fast_path) + sas_target_priv_data->flags |= + MPT_TARGET_FASTPATH_IO; + } + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + return 0; + } + /* sas/sata devices */ spin_lock_irqsave(&ioc->sas_device_lock, flags); rphy = dev_to_rphy(starget->dev.parent); @@ -1354,7 +1565,7 @@ scsih_target_alloc(struct scsi_target *starget) if (sas_device) { sas_target_priv_data->handle = sas_device->handle; sas_target_priv_data->sas_address = sas_device->sas_address; - sas_target_priv_data->sdev = sas_device; + sas_target_priv_data->sas_dev = sas_device; sas_device->starget = starget; sas_device->id = starget->id; sas_device->channel = starget->channel; @@ -1362,7 +1573,8 @@ scsih_target_alloc(struct scsi_target *starget) sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; if (sas_device->fast_path) - sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO; + sas_target_priv_data->flags |= + MPT_TARGET_FASTPATH_IO; } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); @@ -1383,7 +1595,9 @@ scsih_target_destroy(struct scsi_target *starget) struct MPT3SAS_TARGET *sas_target_priv_data; struct _sas_device *sas_device; struct _raid_device *raid_device; + struct _pcie_device *pcie_device; unsigned long flags; + struct sas_rphy *rphy; sas_target_priv_data = starget->hostdata; if (!sas_target_priv_data) @@ -1401,7 +1615,29 @@ scsih_target_destroy(struct scsi_target *starget) goto out; } + if (starget->channel == PCIE_CHANNEL) { + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + pcie_device = __mpt3sas_get_pdev_from_target(ioc, + sas_target_priv_data); + if (pcie_device && (pcie_device->starget == starget) && + (pcie_device->id == starget->id) && + (pcie_device->channel == starget->channel)) + pcie_device->starget = NULL; + + if (pcie_device) { + /* + * Corresponding get() is in _scsih_target_alloc() + */ + sas_target_priv_data->pcie_dev = NULL; + pcie_device_put(pcie_device); + pcie_device_put(pcie_device); + } + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + goto out; + } + spin_lock_irqsave(&ioc->sas_device_lock, flags); + rphy = dev_to_rphy(starget->dev.parent); sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); if (sas_device && (sas_device->starget == starget) && (sas_device->id == starget->id) && @@ -1412,7 +1648,7 @@ scsih_target_destroy(struct scsi_target *starget) /* * Corresponding get() is in _scsih_target_alloc() */ - sas_target_priv_data->sdev = NULL; + sas_target_priv_data->sas_dev = NULL; sas_device_put(sas_device); sas_device_put(sas_device); @@ -1441,6 +1677,7 @@ scsih_slave_alloc(struct scsi_device *sdev) struct scsi_target *starget; struct _raid_device *raid_device; struct _sas_device *sas_device; + struct _pcie_device *pcie_device; unsigned long flags; sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data), @@ -1469,8 +1706,22 @@ scsih_slave_alloc(struct scsi_device *sdev) raid_device->sdev = sdev; /* raid is single lun */ spin_unlock_irqrestore(&ioc->raid_device_lock, flags); } + if (starget->channel == PCIE_CHANNEL) { + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, + sas_target_priv_data->sas_address); + if (pcie_device && (pcie_device->starget == NULL)) { + sdev_printk(KERN_INFO, sdev, + "%s : pcie_device->starget set to starget @ %d\n", + __func__, __LINE__); + pcie_device->starget = starget; + } + + if (pcie_device) + pcie_device_put(pcie_device); + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); - if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { + } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_target_priv_data->sas_address); @@ -1504,6 +1755,7 @@ scsih_slave_destroy(struct scsi_device *sdev) struct Scsi_Host *shost; struct MPT3SAS_ADAPTER *ioc; struct _sas_device *sas_device; + struct _pcie_device *pcie_device; unsigned long flags; if (!sdev->hostdata) @@ -1516,7 +1768,19 @@ scsih_slave_destroy(struct scsi_device *sdev) shost = dev_to_shost(&starget->dev); ioc = shost_priv(shost); - if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { + if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) { + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + pcie_device = __mpt3sas_get_pdev_from_target(ioc, + sas_target_priv_data); + if (pcie_device && !sas_target_priv_data->num_luns) + pcie_device->starget = NULL; + + if (pcie_device) + pcie_device_put(pcie_device); + + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + + } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); @@ -8398,42 +8662,52 @@ scsih_shutdown(struct pci_dev *pdev) static void _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc) { - u8 is_raid; + u32 channel; void *device; struct _sas_device *sas_device; struct _raid_device *raid_device; + struct _pcie_device *pcie_device; u16 handle; u64 sas_address_parent; u64 sas_address; unsigned long flags; int rc; + int tid; /* no Bios, return immediately */ if (!ioc->bios_pg3.BiosVersion) return; device = NULL; - is_raid = 0; if (ioc->req_boot_device.device) { device = ioc->req_boot_device.device; - is_raid = ioc->req_boot_device.is_raid; + channel = ioc->req_boot_device.channel; } else if (ioc->req_alt_boot_device.device) { device = ioc->req_alt_boot_device.device; - is_raid = ioc->req_alt_boot_device.is_raid; + channel = ioc->req_alt_boot_device.channel; } else if (ioc->current_boot_device.device) { device = ioc->current_boot_device.device; - is_raid = ioc->current_boot_device.is_raid; + channel = ioc->current_boot_device.channel; } if (!device) return; - if (is_raid) { + if (channel == RAID_CHANNEL) { raid_device = device; rc = scsi_add_device(ioc->shost, RAID_CHANNEL, raid_device->id, 0); if (rc) _scsih_raid_device_remove(ioc, raid_device); + } else if (channel == PCIE_CHANNEL) { + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + pcie_device = device; + tid = pcie_device->id; + list_move_tail(&pcie_device->list, &ioc->pcie_device_list); + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + rc = scsi_add_device(ioc->shost, PCIE_CHANNEL, tid, 0); + if (rc) + _scsih_pcie_device_remove(ioc, pcie_device); } else { spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = device; @@ -8566,6 +8840,101 @@ _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc) } /** + * get_next_pcie_device - Get the next pcie device + * @ioc: per adapter object + * + * Get the next pcie device from pcie_device_init_list list. + * + * Returns pcie device structure if pcie_device_init_list list is not empty + * otherwise returns NULL + */ +static struct _pcie_device *get_next_pcie_device(struct MPT3SAS_ADAPTER *ioc) +{ + struct _pcie_device *pcie_device = NULL; + unsigned long flags; + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + if (!list_empty(&ioc->pcie_device_init_list)) { + pcie_device = list_first_entry(&ioc->pcie_device_init_list, + struct _pcie_device, list); + pcie_device_get(pcie_device); + } + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + + return pcie_device; +} + +/** + * pcie_device_make_active - Add pcie device to pcie_device_list list + * @ioc: per adapter object + * @pcie_device: pcie device object + * + * Add the pcie device which has registered with SCSI Transport Later to + * pcie_device_list list + */ +static void pcie_device_make_active(struct MPT3SAS_ADAPTER *ioc, + struct _pcie_device *pcie_device) +{ + unsigned long flags; + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + + if (!list_empty(&pcie_device->list)) { + list_del_init(&pcie_device->list); + pcie_device_put(pcie_device); + } + pcie_device_get(pcie_device); + list_add_tail(&pcie_device->list, &ioc->pcie_device_list); + + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); +} + +/** + * _scsih_probe_pcie - reporting PCIe devices to scsi-ml + * @ioc: per adapter object + * + * Called during initial loading of the driver. + */ +static void +_scsih_probe_pcie(struct MPT3SAS_ADAPTER *ioc) +{ + struct _pcie_device *pcie_device; + int rc; + + /* PCIe Device List */ + while ((pcie_device = get_next_pcie_device(ioc))) { + if (pcie_device->starget) { + pcie_device_put(pcie_device); + continue; + } + rc = scsi_add_device(ioc->shost, PCIE_CHANNEL, + pcie_device->id, 0); + if (rc) { + _scsih_pcie_device_remove(ioc, pcie_device); + pcie_device_put(pcie_device); + continue; + } else if (!pcie_device->starget) { + /* + * When async scanning is enabled, its not possible to + * remove devices while scanning is turned on due to an + * oops in scsi_sysfs_add_sdev()->add_device()-> + * sysfs_addrm_start() + */ + if (!ioc->is_driver_loading) { + /* TODO-- Need to find out whether this condition will + * occur or not + */ + _scsih_pcie_device_remove(ioc, pcie_device); + pcie_device_put(pcie_device); + continue; + } + } + pcie_device_make_active(ioc, pcie_device); + pcie_device_put(pcie_device); + } +} + +/** * _scsih_probe_devices - probing for devices * @ioc: per adapter object * @@ -8593,8 +8962,10 @@ _scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc) _scsih_probe_sas(ioc); _scsih_probe_raid(ioc); } - } else + } else { _scsih_probe_sas(ioc); + _scsih_probe_pcie(ioc); + } } /** @@ -8937,11 +9308,14 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&ioc->sas_node_lock); spin_lock_init(&ioc->fw_event_lock); spin_lock_init(&ioc->raid_device_lock); + spin_lock_init(&ioc->pcie_device_lock); spin_lock_init(&ioc->diag_trigger_lock); INIT_LIST_HEAD(&ioc->sas_device_list); INIT_LIST_HEAD(&ioc->sas_device_init_list); INIT_LIST_HEAD(&ioc->sas_expander_list); + INIT_LIST_HEAD(&ioc->pcie_device_list); + INIT_LIST_HEAD(&ioc->pcie_device_init_list); INIT_LIST_HEAD(&ioc->fw_event_list); INIT_LIST_HEAD(&ioc->raid_device_list); INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); 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