diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/message/fusion/mptfc.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/message/fusion/mptfc.c | 1557 |
1 files changed, 0 insertions, 1557 deletions
diff --git a/ANDROID_3.4.5/drivers/message/fusion/mptfc.c b/ANDROID_3.4.5/drivers/message/fusion/mptfc.c deleted file mode 100644 index d784c367..00000000 --- a/ANDROID_3.4.5/drivers/message/fusion/mptfc.c +++ /dev/null @@ -1,1557 +0,0 @@ -/* - * linux/drivers/message/fusion/mptfc.c - * For use with LSI PCI chip/adapter(s) - * running LSI Fusion MPT (Message Passing Technology) firmware. - * - * Copyright (c) 1999-2008 LSI Corporation - * (mailto:DL-MPTFusionLinux@lsi.com) - * - */ -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - NO WARRANTY - THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - solely responsible for determining the appropriateness of using and - distributing the Program and assumes all risks associated with its - exercise of rights under this Agreement, including but not limited to - the risks and costs of program errors, damage to or loss of data, - programs or equipment, and unavailability or interruption of operations. - - DISCLAIMER OF LIABILITY - NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kdev_t.h> -#include <linux/blkdev.h> -#include <linux/delay.h> /* for mdelay */ -#include <linux/interrupt.h> /* needed for in_interrupt() proto */ -#include <linux/reboot.h> /* notifier code */ -#include <linux/workqueue.h> -#include <linux/sort.h> -#include <linux/slab.h> - -#include <scsi/scsi.h> -#include <scsi/scsi_cmnd.h> -#include <scsi/scsi_device.h> -#include <scsi/scsi_host.h> -#include <scsi/scsi_tcq.h> -#include <scsi/scsi_transport_fc.h> - -#include "mptbase.h" -#include "mptscsih.h" - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -#define my_NAME "Fusion MPT FC Host driver" -#define my_VERSION MPT_LINUX_VERSION_COMMON -#define MYNAM "mptfc" - -MODULE_AUTHOR(MODULEAUTHOR); -MODULE_DESCRIPTION(my_NAME); -MODULE_LICENSE("GPL"); -MODULE_VERSION(my_VERSION); - -/* Command line args */ -#define MPTFC_DEV_LOSS_TMO (60) -static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */ -module_param(mptfc_dev_loss_tmo, int, 0); -MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the " - " transport to wait for an rport to " - " return following a device loss event." - " Default=60."); - -/* scsi-mid layer global parmeter is max_report_luns, which is 511 */ -#define MPTFC_MAX_LUN (16895) -static int max_lun = MPTFC_MAX_LUN; -module_param(max_lun, int, 0); -MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); - -static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; -static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; -static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; - -static int mptfc_target_alloc(struct scsi_target *starget); -static int mptfc_slave_alloc(struct scsi_device *sdev); -static int mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt); -static void mptfc_target_destroy(struct scsi_target *starget); -static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); -static void __devexit mptfc_remove(struct pci_dev *pdev); -static int mptfc_abort(struct scsi_cmnd *SCpnt); -static int mptfc_dev_reset(struct scsi_cmnd *SCpnt); -static int mptfc_bus_reset(struct scsi_cmnd *SCpnt); -static int mptfc_host_reset(struct scsi_cmnd *SCpnt); - -static struct scsi_host_template mptfc_driver_template = { - .module = THIS_MODULE, - .proc_name = "mptfc", - .proc_info = mptscsih_proc_info, - .name = "MPT FC Host", - .info = mptscsih_info, - .queuecommand = mptfc_qcmd, - .target_alloc = mptfc_target_alloc, - .slave_alloc = mptfc_slave_alloc, - .slave_configure = mptscsih_slave_configure, - .target_destroy = mptfc_target_destroy, - .slave_destroy = mptscsih_slave_destroy, - .change_queue_depth = mptscsih_change_queue_depth, - .eh_abort_handler = mptfc_abort, - .eh_device_reset_handler = mptfc_dev_reset, - .eh_bus_reset_handler = mptfc_bus_reset, - .eh_host_reset_handler = mptfc_host_reset, - .bios_param = mptscsih_bios_param, - .can_queue = MPT_FC_CAN_QUEUE, - .this_id = -1, - .sg_tablesize = MPT_SCSI_SG_DEPTH, - .max_sectors = 8192, - .cmd_per_lun = 7, - .use_clustering = ENABLE_CLUSTERING, - .shost_attrs = mptscsih_host_attrs, -}; - -/**************************************************************************** - * Supported hardware - */ - -static struct pci_device_id mptfc_pci_table[] = { - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E, - PCI_ANY_ID, PCI_ANY_ID }, - {0} /* Terminating entry */ -}; -MODULE_DEVICE_TABLE(pci, mptfc_pci_table); - -static struct scsi_transport_template *mptfc_transport_template = NULL; - -static struct fc_function_template mptfc_transport_functions = { - .dd_fcrport_size = 8, - .show_host_node_name = 1, - .show_host_port_name = 1, - .show_host_supported_classes = 1, - .show_host_port_id = 1, - .show_rport_supported_classes = 1, - .show_starget_node_name = 1, - .show_starget_port_name = 1, - .show_starget_port_id = 1, - .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo, - .show_rport_dev_loss_tmo = 1, - .show_host_supported_speeds = 1, - .show_host_maxframe_size = 1, - .show_host_speed = 1, - .show_host_fabric_name = 1, - .show_host_port_type = 1, - .show_host_port_state = 1, - .show_host_symbolic_name = 1, -}; - -static int -mptfc_block_error_handler(struct scsi_cmnd *SCpnt, - int (*func)(struct scsi_cmnd *SCpnt), - const char *caller) -{ - MPT_SCSI_HOST *hd; - struct scsi_device *sdev = SCpnt->device; - struct Scsi_Host *shost = sdev->host; - struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); - unsigned long flags; - int ready; - MPT_ADAPTER *ioc; - int loops = 40; /* seconds */ - - hd = shost_priv(SCpnt->device->host); - ioc = hd->ioc; - spin_lock_irqsave(shost->host_lock, flags); - while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY - || (loops > 0 && ioc->active == 0)) { - spin_unlock_irqrestore(shost->host_lock, flags); - dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT - "mptfc_block_error_handler.%d: %d:%d, port status is " - "%x, active flag %d, deferring %s recovery.\n", - ioc->name, ioc->sh->host_no, - SCpnt->device->id, SCpnt->device->lun, - ready, ioc->active, caller)); - msleep(1000); - spin_lock_irqsave(shost->host_lock, flags); - loops --; - } - spin_unlock_irqrestore(shost->host_lock, flags); - - if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata - || ioc->active == 0) { - dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT - "%s.%d: %d:%d, failing recovery, " - "port state %x, active %d, vdevice %p.\n", caller, - ioc->name, ioc->sh->host_no, - SCpnt->device->id, SCpnt->device->lun, ready, - ioc->active, SCpnt->device->hostdata)); - return FAILED; - } - dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT - "%s.%d: %d:%d, executing recovery.\n", caller, - ioc->name, ioc->sh->host_no, - SCpnt->device->id, SCpnt->device->lun)); - return (*func)(SCpnt); -} - -static int -mptfc_abort(struct scsi_cmnd *SCpnt) -{ - return - mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__); -} - -static int -mptfc_dev_reset(struct scsi_cmnd *SCpnt) -{ - return - mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__); -} - -static int -mptfc_bus_reset(struct scsi_cmnd *SCpnt) -{ - return - mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__); -} - -static int -mptfc_host_reset(struct scsi_cmnd *SCpnt) -{ - return - mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__); -} - -static void -mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) -{ - if (timeout > 0) - rport->dev_loss_tmo = timeout; - else - rport->dev_loss_tmo = mptfc_dev_loss_tmo; -} - -static int -mptfc_FcDevPage0_cmp_func(const void *a, const void *b) -{ - FCDevicePage0_t **aa = (FCDevicePage0_t **)a; - FCDevicePage0_t **bb = (FCDevicePage0_t **)b; - - if ((*aa)->CurrentBus == (*bb)->CurrentBus) { - if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID) - return 0; - if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID) - return -1; - return 1; - } - if ((*aa)->CurrentBus < (*bb)->CurrentBus) - return -1; - return 1; -} - -static int -mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, - void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg)) -{ - ConfigPageHeader_t hdr; - CONFIGPARMS cfg; - FCDevicePage0_t *ppage0_alloc, *fc; - dma_addr_t page0_dma; - int data_sz; - int ii; - - FCDevicePage0_t *p0_array=NULL, *p_p0; - FCDevicePage0_t **pp0_array=NULL, **p_pp0; - - int rc = -ENOMEM; - U32 port_id = 0xffffff; - int num_targ = 0; - int max_bus = ioc->facts.MaxBuses; - int max_targ; - - max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices; - - data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ; - p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL); - if (!p0_array) - goto out; - - data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ; - p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL); - if (!pp0_array) - goto out; - - do { - /* Get FC Device Page 0 header */ - hdr.PageVersion = 0; - hdr.PageLength = 0; - hdr.PageNumber = 0; - hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE; - cfg.cfghdr.hdr = &hdr; - cfg.physAddr = -1; - cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; - cfg.dir = 0; - cfg.pageAddr = port_id; - cfg.timeout = 0; - - if ((rc = mpt_config(ioc, &cfg)) != 0) - break; - - if (hdr.PageLength <= 0) - break; - - data_sz = hdr.PageLength * 4; - ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, - &page0_dma); - rc = -ENOMEM; - if (!ppage0_alloc) - break; - - cfg.physAddr = page0_dma; - cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; - - if ((rc = mpt_config(ioc, &cfg)) == 0) { - ppage0_alloc->PortIdentifier = - le32_to_cpu(ppage0_alloc->PortIdentifier); - - ppage0_alloc->WWNN.Low = - le32_to_cpu(ppage0_alloc->WWNN.Low); - - ppage0_alloc->WWNN.High = - le32_to_cpu(ppage0_alloc->WWNN.High); - - ppage0_alloc->WWPN.Low = - le32_to_cpu(ppage0_alloc->WWPN.Low); - - ppage0_alloc->WWPN.High = - le32_to_cpu(ppage0_alloc->WWPN.High); - - ppage0_alloc->BBCredit = - le16_to_cpu(ppage0_alloc->BBCredit); - - ppage0_alloc->MaxRxFrameSize = - le16_to_cpu(ppage0_alloc->MaxRxFrameSize); - - port_id = ppage0_alloc->PortIdentifier; - num_targ++; - *p_p0 = *ppage0_alloc; /* save data */ - *p_pp0++ = p_p0++; /* save addr */ - } - pci_free_consistent(ioc->pcidev, data_sz, - (u8 *) ppage0_alloc, page0_dma); - if (rc != 0) - break; - - } while (port_id <= 0xff0000); - - if (num_targ) { - /* sort array */ - if (num_targ > 1) - sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *), - mptfc_FcDevPage0_cmp_func, NULL); - /* call caller's func for each targ */ - for (ii = 0; ii < num_targ; ii++) { - fc = *(pp0_array+ii); - func(ioc, ioc_port, fc); - } - } - - out: - kfree(pp0_array); - kfree(p0_array); - return rc; -} - -static int -mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) -{ - /* not currently usable */ - if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID | - MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID)) - return -1; - - if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID)) - return -1; - - if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET)) - return -1; - - /* - * board data structure already normalized to platform endianness - * shifted to avoid unaligned access on 64 bit architecture - */ - rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low; - rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; - rid->port_id = pg0->PortIdentifier; - rid->roles = FC_RPORT_ROLE_UNKNOWN; - - return 0; -} - -static void -mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) -{ - struct fc_rport_identifiers rport_ids; - struct fc_rport *rport; - struct mptfc_rport_info *ri; - int new_ri = 1; - u64 pn, nn; - VirtTarget *vtarget; - u32 roles = FC_RPORT_ROLE_UNKNOWN; - - if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0) - return; - - roles |= FC_RPORT_ROLE_FCP_TARGET; - if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) - roles |= FC_RPORT_ROLE_FCP_INITIATOR; - - /* scan list looking for a match */ - list_for_each_entry(ri, &ioc->fc_rports, list) { - pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; - if (pn == rport_ids.port_name) { /* match */ - list_move_tail(&ri->list, &ioc->fc_rports); - new_ri = 0; - break; - } - } - if (new_ri) { /* allocate one */ - ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL); - if (!ri) - return; - list_add_tail(&ri->list, &ioc->fc_rports); - } - - ri->pg0 = *pg0; /* add/update pg0 data */ - ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING; - - /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */ - if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { - ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; - rport = fc_remote_port_add(ioc->sh, channel, &rport_ids); - if (rport) { - ri->rport = rport; - if (new_ri) /* may have been reset by user */ - rport->dev_loss_tmo = mptfc_dev_loss_tmo; - /* - * if already mapped, remap here. If not mapped, - * target_alloc will allocate vtarget and map, - * slave_alloc will fill in vdevice from vtarget. - */ - if (ri->starget) { - vtarget = ri->starget->hostdata; - if (vtarget) { - vtarget->id = pg0->CurrentTargetID; - vtarget->channel = pg0->CurrentBus; - vtarget->deleted = 0; - } - } - *((struct mptfc_rport_info **)rport->dd_data) = ri; - /* scan will be scheduled once rport becomes a target */ - fc_remote_port_rolechg(rport,roles); - - pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; - nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; - dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT - "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " - "rport tid %d, tmo %d\n", - ioc->name, - ioc->sh->host_no, - pg0->PortIdentifier, - (unsigned long long)nn, - (unsigned long long)pn, - pg0->CurrentTargetID, - ri->rport->scsi_target_id, - ri->rport->dev_loss_tmo)); - } else { - list_del(&ri->list); - kfree(ri); - ri = NULL; - } - } -} - -/* - * OS entry point to allow for host driver to free allocated memory - * Called if no device present or device being unloaded - */ -static void -mptfc_target_destroy(struct scsi_target *starget) -{ - struct fc_rport *rport; - struct mptfc_rport_info *ri; - - rport = starget_to_rport(starget); - if (rport) { - ri = *((struct mptfc_rport_info **)rport->dd_data); - if (ri) /* better be! */ - ri->starget = NULL; - } - if (starget->hostdata) - kfree(starget->hostdata); - starget->hostdata = NULL; -} - -/* - * OS entry point to allow host driver to alloc memory - * for each scsi target. Called once per device the bus scan. - * Return non-zero if allocation fails. - */ -static int -mptfc_target_alloc(struct scsi_target *starget) -{ - VirtTarget *vtarget; - struct fc_rport *rport; - struct mptfc_rport_info *ri; - int rc; - - vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); - if (!vtarget) - return -ENOMEM; - starget->hostdata = vtarget; - - rc = -ENODEV; - rport = starget_to_rport(starget); - if (rport) { - ri = *((struct mptfc_rport_info **)rport->dd_data); - if (ri) { /* better be! */ - vtarget->id = ri->pg0.CurrentTargetID; - vtarget->channel = ri->pg0.CurrentBus; - ri->starget = starget; - rc = 0; - } - } - if (rc != 0) { - kfree(vtarget); - starget->hostdata = NULL; - } - - return rc; -} -/* - * mptfc_dump_lun_info - * @ioc - * @rport - * @sdev - * - */ -static void -mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev, - VirtTarget *vtarget) -{ - u64 nn, pn; - struct mptfc_rport_info *ri; - - ri = *((struct mptfc_rport_info **)rport->dd_data); - pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; - nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; - dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT - "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " - "CurrentTargetID %d, %x %llx %llx\n", - ioc->name, - sdev->host->host_no, - vtarget->num_luns, - sdev->id, ri->pg0.CurrentTargetID, - ri->pg0.PortIdentifier, - (unsigned long long)pn, - (unsigned long long)nn)); -} - - -/* - * OS entry point to allow host driver to alloc memory - * for each scsi device. Called once per device the bus scan. - * Return non-zero if allocation fails. - * Init memory once per LUN. - */ -static int -mptfc_slave_alloc(struct scsi_device *sdev) -{ - MPT_SCSI_HOST *hd; - VirtTarget *vtarget; - VirtDevice *vdevice; - struct scsi_target *starget; - struct fc_rport *rport; - MPT_ADAPTER *ioc; - - starget = scsi_target(sdev); - rport = starget_to_rport(starget); - - if (!rport || fc_remote_port_chkready(rport)) - return -ENXIO; - - hd = shost_priv(sdev->host); - ioc = hd->ioc; - - vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL); - if (!vdevice) { - printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", - ioc->name, sizeof(VirtDevice)); - return -ENOMEM; - } - - - sdev->hostdata = vdevice; - vtarget = starget->hostdata; - - if (vtarget->num_luns == 0) { - vtarget->ioc_id = ioc->id; - vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; - } - - vdevice->vtarget = vtarget; - vdevice->lun = sdev->lun; - - vtarget->num_luns++; - - - mptfc_dump_lun_info(ioc, rport, sdev, vtarget); - - return 0; -} - -static int -mptfc_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) -{ - struct mptfc_rport_info *ri; - struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); - int err; - VirtDevice *vdevice = SCpnt->device->hostdata; - - if (!vdevice || !vdevice->vtarget) { - SCpnt->result = DID_NO_CONNECT << 16; - done(SCpnt); - return 0; - } - - err = fc_remote_port_chkready(rport); - if (unlikely(err)) { - SCpnt->result = err; - done(SCpnt); - return 0; - } - - /* dd_data is null until finished adding target */ - ri = *((struct mptfc_rport_info **)rport->dd_data); - if (unlikely(!ri)) { - SCpnt->result = DID_IMM_RETRY << 16; - done(SCpnt); - return 0; - } - - return mptscsih_qcmd(SCpnt,done); -} - -static DEF_SCSI_QCMD(mptfc_qcmd) - -/* - * mptfc_display_port_link_speed - displaying link speed - * @ioc: Pointer to MPT_ADAPTER structure - * @portnum: IOC Port number - * @pp0dest: port page0 data payload - * - */ -static void -mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest) -{ - u8 old_speed, new_speed, state; - char *old, *new; - - if (portnum >= 2) - return; - - old_speed = ioc->fc_link_speed[portnum]; - new_speed = pp0dest->CurrentSpeed; - state = pp0dest->PortState; - - if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE && - new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) { - - old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : - old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : - old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : - "Unknown"; - new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : - new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : - new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : - "Unknown"; - if (old_speed == 0) - printk(MYIOC_s_NOTE_FMT - "FC Link Established, Speed = %s\n", - ioc->name, new); - else if (old_speed != new_speed) - printk(MYIOC_s_WARN_FMT - "FC Link Speed Change, Old Speed = %s, New Speed = %s\n", - ioc->name, old, new); - - ioc->fc_link_speed[portnum] = new_speed; - } -} - -/* - * mptfc_GetFcPortPage0 - Fetch FCPort config Page0. - * @ioc: Pointer to MPT_ADAPTER structure - * @portnum: IOC Port number - * - * Return: 0 for success - * -ENOMEM if no memory available - * -EPERM if not allowed due to ISR context - * -EAGAIN if no msg frames currently available - * -EFAULT for non-successful reply or no reply (timeout) - * -EINVAL portnum arg out of range (hardwired to two elements) - */ -static int -mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) -{ - ConfigPageHeader_t hdr; - CONFIGPARMS cfg; - FCPortPage0_t *ppage0_alloc; - FCPortPage0_t *pp0dest; - dma_addr_t page0_dma; - int data_sz; - int copy_sz; - int rc; - int count = 400; - - if (portnum > 1) - return -EINVAL; - - /* Get FCPort Page 0 header */ - hdr.PageVersion = 0; - hdr.PageLength = 0; - hdr.PageNumber = 0; - hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; - cfg.cfghdr.hdr = &hdr; - cfg.physAddr = -1; - cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; - cfg.dir = 0; - cfg.pageAddr = portnum; - cfg.timeout = 0; - - if ((rc = mpt_config(ioc, &cfg)) != 0) - return rc; - - if (hdr.PageLength == 0) - return 0; - - data_sz = hdr.PageLength * 4; - rc = -ENOMEM; - ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma); - if (ppage0_alloc) { - - try_again: - memset((u8 *)ppage0_alloc, 0, data_sz); - cfg.physAddr = page0_dma; - cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; - - if ((rc = mpt_config(ioc, &cfg)) == 0) { - /* save the data */ - pp0dest = &ioc->fc_port_page0[portnum]; - copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz); - memcpy(pp0dest, ppage0_alloc, copy_sz); - - /* - * Normalize endianness of structure data, - * by byte-swapping all > 1 byte fields! - */ - pp0dest->Flags = le32_to_cpu(pp0dest->Flags); - pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier); - pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low); - pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High); - pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low); - pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High); - pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass); - pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds); - pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed); - pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize); - pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low); - pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High); - pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low); - pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High); - pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount); - pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators); - - /* - * if still doing discovery, - * hang loose a while until finished - */ - if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) || - (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE && - (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) - == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) { - if (count-- > 0) { - msleep(100); - goto try_again; - } - printk(MYIOC_s_INFO_FMT "Firmware discovery not" - " complete.\n", - ioc->name); - } - mptfc_display_port_link_speed(ioc, portnum, pp0dest); - } - - pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma); - } - - return rc; -} - -static int -mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum) -{ - ConfigPageHeader_t hdr; - CONFIGPARMS cfg; - int rc; - - if (portnum > 1) - return -EINVAL; - - if (!(ioc->fc_data.fc_port_page1[portnum].data)) - return -EINVAL; - - /* get fcport page 1 header */ - hdr.PageVersion = 0; - hdr.PageLength = 0; - hdr.PageNumber = 1; - hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; - cfg.cfghdr.hdr = &hdr; - cfg.physAddr = -1; - cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; - cfg.dir = 0; - cfg.pageAddr = portnum; - cfg.timeout = 0; - - if ((rc = mpt_config(ioc, &cfg)) != 0) - return rc; - - if (hdr.PageLength == 0) - return -ENODEV; - - if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz) - return -EINVAL; - - cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma; - cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; - cfg.dir = 1; - - rc = mpt_config(ioc, &cfg); - - return rc; -} - -static int -mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum) -{ - ConfigPageHeader_t hdr; - CONFIGPARMS cfg; - FCPortPage1_t *page1_alloc; - dma_addr_t page1_dma; - int data_sz; - int rc; - - if (portnum > 1) - return -EINVAL; - - /* get fcport page 1 header */ - hdr.PageVersion = 0; - hdr.PageLength = 0; - hdr.PageNumber = 1; - hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; - cfg.cfghdr.hdr = &hdr; - cfg.physAddr = -1; - cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; - cfg.dir = 0; - cfg.pageAddr = portnum; - cfg.timeout = 0; - - if ((rc = mpt_config(ioc, &cfg)) != 0) - return rc; - - if (hdr.PageLength == 0) - return -ENODEV; - -start_over: - - if (ioc->fc_data.fc_port_page1[portnum].data == NULL) { - data_sz = hdr.PageLength * 4; - if (data_sz < sizeof(FCPortPage1_t)) - data_sz = sizeof(FCPortPage1_t); - - page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev, - data_sz, - &page1_dma); - if (!page1_alloc) - return -ENOMEM; - } - else { - page1_alloc = ioc->fc_data.fc_port_page1[portnum].data; - page1_dma = ioc->fc_data.fc_port_page1[portnum].dma; - data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz; - if (hdr.PageLength * 4 > data_sz) { - ioc->fc_data.fc_port_page1[portnum].data = NULL; - pci_free_consistent(ioc->pcidev, data_sz, (u8 *) - page1_alloc, page1_dma); - goto start_over; - } - } - - memset(page1_alloc,0,data_sz); - - cfg.physAddr = page1_dma; - cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; - - if ((rc = mpt_config(ioc, &cfg)) == 0) { - ioc->fc_data.fc_port_page1[portnum].data = page1_alloc; - ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz; - ioc->fc_data.fc_port_page1[portnum].dma = page1_dma; - } - else { - ioc->fc_data.fc_port_page1[portnum].data = NULL; - pci_free_consistent(ioc->pcidev, data_sz, (u8 *) - page1_alloc, page1_dma); - } - - return rc; -} - -static void -mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc) -{ - int ii; - FCPortPage1_t *pp1; - - #define MPTFC_FW_DEVICE_TIMEOUT (1) - #define MPTFC_FW_IO_PEND_TIMEOUT (1) - #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY) - #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS) - - for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { - if (mptfc_GetFcPortPage1(ioc, ii) != 0) - continue; - pp1 = ioc->fc_data.fc_port_page1[ii].data; - if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT) - && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT) - && ((pp1->Flags & ON_FLAGS) == ON_FLAGS) - && ((pp1->Flags & OFF_FLAGS) == 0)) - continue; - pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT; - pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT; - pp1->Flags &= ~OFF_FLAGS; - pp1->Flags |= ON_FLAGS; - mptfc_WriteFcPortPage1(ioc, ii); - } -} - - -static void -mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) -{ - unsigned class = 0; - unsigned cos = 0; - unsigned speed; - unsigned port_type; - unsigned port_state; - FCPortPage0_t *pp0; - struct Scsi_Host *sh; - char *sn; - - /* don't know what to do as only one scsi (fc) host was allocated */ - if (portnum != 0) - return; - - pp0 = &ioc->fc_port_page0[portnum]; - sh = ioc->sh; - - sn = fc_host_symbolic_name(sh); - snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh", - ioc->prod_name, - MPT_FW_REV_MAGIC_ID_STRING, - ioc->facts.FWVersion.Word); - - fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN; - - fc_host_maxframe_size(sh) = pp0->MaxFrameSize; - - fc_host_node_name(sh) = - (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; - - fc_host_port_name(sh) = - (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low; - - fc_host_port_id(sh) = pp0->PortIdentifier; - - class = pp0->SupportedServiceClass; - if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1) - cos |= FC_COS_CLASS1; - if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2) - cos |= FC_COS_CLASS2; - if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3) - cos |= FC_COS_CLASS3; - fc_host_supported_classes(sh) = cos; - - if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT) - speed = FC_PORTSPEED_1GBIT; - else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT) - speed = FC_PORTSPEED_2GBIT; - else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT) - speed = FC_PORTSPEED_4GBIT; - else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT) - speed = FC_PORTSPEED_10GBIT; - else - speed = FC_PORTSPEED_UNKNOWN; - fc_host_speed(sh) = speed; - - speed = 0; - if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED) - speed |= FC_PORTSPEED_1GBIT; - if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED) - speed |= FC_PORTSPEED_2GBIT; - if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED) - speed |= FC_PORTSPEED_4GBIT; - if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED) - speed |= FC_PORTSPEED_10GBIT; - fc_host_supported_speeds(sh) = speed; - - port_state = FC_PORTSTATE_UNKNOWN; - if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE) - port_state = FC_PORTSTATE_ONLINE; - else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE) - port_state = FC_PORTSTATE_LINKDOWN; - fc_host_port_state(sh) = port_state; - - port_type = FC_PORTTYPE_UNKNOWN; - if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT) - port_type = FC_PORTTYPE_PTP; - else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP) - port_type = FC_PORTTYPE_LPORT; - else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP) - port_type = FC_PORTTYPE_NLPORT; - else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT) - port_type = FC_PORTTYPE_NPORT; - fc_host_port_type(sh) = port_type; - - fc_host_fabric_name(sh) = - (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ? - (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low : - (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; - -} - -static void -mptfc_link_status_change(struct work_struct *work) -{ - MPT_ADAPTER *ioc = - container_of(work, MPT_ADAPTER, fc_rescan_work); - int ii; - - for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) - (void) mptfc_GetFcPortPage0(ioc, ii); - -} - -static void -mptfc_setup_reset(struct work_struct *work) -{ - MPT_ADAPTER *ioc = - container_of(work, MPT_ADAPTER, fc_setup_reset_work); - u64 pn; - struct mptfc_rport_info *ri; - struct scsi_target *starget; - VirtTarget *vtarget; - - /* reset about to happen, delete (block) all rports */ - list_for_each_entry(ri, &ioc->fc_rports, list) { - if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { - ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED; - fc_remote_port_delete(ri->rport); /* won't sleep */ - ri->rport = NULL; - starget = ri->starget; - if (starget) { - vtarget = starget->hostdata; - if (vtarget) - vtarget->deleted = 1; - } - - pn = (u64)ri->pg0.WWPN.High << 32 | - (u64)ri->pg0.WWPN.Low; - dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT - "mptfc_setup_reset.%d: %llx deleted\n", - ioc->name, - ioc->sh->host_no, - (unsigned long long)pn)); - } - } -} - -static void -mptfc_rescan_devices(struct work_struct *work) -{ - MPT_ADAPTER *ioc = - container_of(work, MPT_ADAPTER, fc_rescan_work); - int ii; - u64 pn; - struct mptfc_rport_info *ri; - struct scsi_target *starget; - VirtTarget *vtarget; - - /* start by tagging all ports as missing */ - list_for_each_entry(ri, &ioc->fc_rports, list) { - if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { - ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; - } - } - - /* - * now rescan devices known to adapter, - * will reregister existing rports - */ - for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { - (void) mptfc_GetFcPortPage0(ioc, ii); - mptfc_init_host_attr(ioc, ii); /* refresh */ - mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev); - } - - /* delete devices still missing */ - list_for_each_entry(ri, &ioc->fc_rports, list) { - /* if newly missing, delete it */ - if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) { - - ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| - MPT_RPORT_INFO_FLAGS_MISSING); - fc_remote_port_delete(ri->rport); /* won't sleep */ - ri->rport = NULL; - starget = ri->starget; - if (starget) { - vtarget = starget->hostdata; - if (vtarget) - vtarget->deleted = 1; - } - - pn = (u64)ri->pg0.WWPN.High << 32 | - (u64)ri->pg0.WWPN.Low; - dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT - "mptfc_rescan.%d: %llx deleted\n", - ioc->name, - ioc->sh->host_no, - (unsigned long long)pn)); - } - } -} - -static int -mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) -{ - struct Scsi_Host *sh; - MPT_SCSI_HOST *hd; - MPT_ADAPTER *ioc; - unsigned long flags; - int ii; - int numSGE = 0; - int scale; - int ioc_cap; - int error=0; - int r; - - if ((r = mpt_attach(pdev,id)) != 0) - return r; - - ioc = pci_get_drvdata(pdev); - ioc->DoneCtx = mptfcDoneCtx; - ioc->TaskCtx = mptfcTaskCtx; - ioc->InternalCtx = mptfcInternalCtx; - - /* Added sanity check on readiness of the MPT adapter. - */ - if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { - printk(MYIOC_s_WARN_FMT - "Skipping because it's not operational!\n", - ioc->name); - error = -ENODEV; - goto out_mptfc_probe; - } - - if (!ioc->active) { - printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", - ioc->name); - error = -ENODEV; - goto out_mptfc_probe; - } - - /* Sanity check - ensure at least 1 port is INITIATOR capable - */ - ioc_cap = 0; - for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { - if (ioc->pfacts[ii].ProtocolFlags & - MPI_PORTFACTS_PROTOCOL_INITIATOR) - ioc_cap ++; - } - - if (!ioc_cap) { - printk(MYIOC_s_WARN_FMT - "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", - ioc->name, ioc); - return 0; - } - - sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST)); - - if (!sh) { - printk(MYIOC_s_WARN_FMT - "Unable to register controller with SCSI subsystem\n", - ioc->name); - error = -1; - goto out_mptfc_probe; - } - - spin_lock_init(&ioc->fc_rescan_work_lock); - INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices); - INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset); - INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change); - - spin_lock_irqsave(&ioc->FreeQlock, flags); - - /* Attach the SCSI Host to the IOC structure - */ - ioc->sh = sh; - - sh->io_port = 0; - sh->n_io_port = 0; - sh->irq = 0; - - /* set 16 byte cdb's */ - sh->max_cmd_len = 16; - - sh->max_id = ioc->pfacts->MaxDevices; - sh->max_lun = max_lun; - - /* Required entry. - */ - sh->unique_id = ioc->id; - - /* Verify that we won't exceed the maximum - * number of chain buffers - * We can optimize: ZZ = req_sz/sizeof(SGE) - * For 32bit SGE's: - * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ - * + (req_sz - 64)/sizeof(SGE) - * A slightly different algorithm is required for - * 64bit SGEs. - */ - scale = ioc->req_sz/ioc->SGE_size; - if (ioc->sg_addr_size == sizeof(u64)) { - numSGE = (scale - 1) * - (ioc->facts.MaxChainDepth-1) + scale + - (ioc->req_sz - 60) / ioc->SGE_size; - } else { - numSGE = 1 + (scale - 1) * - (ioc->facts.MaxChainDepth-1) + scale + - (ioc->req_sz - 64) / ioc->SGE_size; - } - - if (numSGE < sh->sg_tablesize) { - /* Reset this value */ - dprintk(ioc, printk(MYIOC_s_DEBUG_FMT - "Resetting sg_tablesize to %d from %d\n", - ioc->name, numSGE, sh->sg_tablesize)); - sh->sg_tablesize = numSGE; - } - - spin_unlock_irqrestore(&ioc->FreeQlock, flags); - - hd = shost_priv(sh); - hd->ioc = ioc; - - /* SCSI needs scsi_cmnd lookup table! - * (with size equal to req_depth*PtrSz!) - */ - ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); - if (!ioc->ScsiLookup) { - error = -ENOMEM; - goto out_mptfc_probe; - } - spin_lock_init(&ioc->scsi_lookup_lock); - - dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", - ioc->name, ioc->ScsiLookup)); - - hd->last_queue_full = 0; - - sh->transportt = mptfc_transport_template; - error = scsi_add_host (sh, &ioc->pcidev->dev); - if(error) { - dprintk(ioc, printk(MYIOC_s_ERR_FMT - "scsi_add_host failed\n", ioc->name)); - goto out_mptfc_probe; - } - - /* initialize workqueue */ - - snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name), - "mptfc_wq_%d", sh->host_no); - ioc->fc_rescan_work_q = - create_singlethread_workqueue(ioc->fc_rescan_work_q_name); - if (!ioc->fc_rescan_work_q) - goto out_mptfc_probe; - - /* - * Pre-fetch FC port WWN and stuff... - * (FCPortPage0_t stuff) - */ - for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { - (void) mptfc_GetFcPortPage0(ioc, ii); - } - mptfc_SetFcPortPage1_defaults(ioc); - - /* - * scan for rports - - * by doing it via the workqueue, some locking is eliminated - */ - - queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work); - flush_workqueue(ioc->fc_rescan_work_q); - - return 0; - -out_mptfc_probe: - - mptscsih_remove(pdev); - return error; -} - -static struct pci_driver mptfc_driver = { - .name = "mptfc", - .id_table = mptfc_pci_table, - .probe = mptfc_probe, - .remove = __devexit_p(mptfc_remove), - .shutdown = mptscsih_shutdown, -#ifdef CONFIG_PM - .suspend = mptscsih_suspend, - .resume = mptscsih_resume, -#endif -}; - -static int -mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) -{ - MPT_SCSI_HOST *hd; - u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; - unsigned long flags; - int rc=1; - - if (ioc->bus_type != FC) - return 0; - - devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", - ioc->name, event)); - - if (ioc->sh == NULL || - ((hd = shost_priv(ioc->sh)) == NULL)) - return 1; - - switch (event) { - case MPI_EVENT_RESCAN: - spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); - if (ioc->fc_rescan_work_q) { - queue_work(ioc->fc_rescan_work_q, - &ioc->fc_rescan_work); - } - spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); - break; - case MPI_EVENT_LINK_STATUS_CHANGE: - spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); - if (ioc->fc_rescan_work_q) { - queue_work(ioc->fc_rescan_work_q, - &ioc->fc_lsc_work); - } - spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); - break; - default: - rc = mptscsih_event_process(ioc,pEvReply); - break; - } - return rc; -} - -static int -mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) -{ - int rc; - unsigned long flags; - - rc = mptscsih_ioc_reset(ioc,reset_phase); - if ((ioc->bus_type != FC) || (!rc)) - return rc; - - - dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT - ": IOC %s_reset routed to FC host driver!\n",ioc->name, - reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( - reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); - - if (reset_phase == MPT_IOC_SETUP_RESET) { - spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); - if (ioc->fc_rescan_work_q) { - queue_work(ioc->fc_rescan_work_q, - &ioc->fc_setup_reset_work); - } - spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); - } - - else if (reset_phase == MPT_IOC_PRE_RESET) { - } - - else { /* MPT_IOC_POST_RESET */ - mptfc_SetFcPortPage1_defaults(ioc); - spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); - if (ioc->fc_rescan_work_q) { - queue_work(ioc->fc_rescan_work_q, - &ioc->fc_rescan_work); - } - spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); - } - return 1; -} - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/** - * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. - * - * Returns 0 for success, non-zero for failure. - */ -static int __init -mptfc_init(void) -{ - int error; - - show_mptmod_ver(my_NAME, my_VERSION); - - /* sanity check module parameters */ - if (mptfc_dev_loss_tmo <= 0) - mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; - - mptfc_transport_template = - fc_attach_transport(&mptfc_transport_functions); - - if (!mptfc_transport_template) - return -ENODEV; - - mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER, - "mptscsih_scandv_complete"); - mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER, - "mptscsih_scandv_complete"); - mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER, - "mptscsih_scandv_complete"); - - mpt_event_register(mptfcDoneCtx, mptfc_event_process); - mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset); - - error = pci_register_driver(&mptfc_driver); - if (error) - fc_release_transport(mptfc_transport_template); - - return error; -} - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/** - * mptfc_remove - Remove fc infrastructure for devices - * @pdev: Pointer to pci_dev structure - * - */ -static void __devexit -mptfc_remove(struct pci_dev *pdev) -{ - MPT_ADAPTER *ioc = pci_get_drvdata(pdev); - struct mptfc_rport_info *p, *n; - struct workqueue_struct *work_q; - unsigned long flags; - int ii; - - /* destroy workqueue */ - if ((work_q=ioc->fc_rescan_work_q)) { - spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); - ioc->fc_rescan_work_q = NULL; - spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); - destroy_workqueue(work_q); - } - - fc_remove_host(ioc->sh); - - list_for_each_entry_safe(p, n, &ioc->fc_rports, list) { - list_del(&p->list); - kfree(p); - } - - for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { - if (ioc->fc_data.fc_port_page1[ii].data) { - pci_free_consistent(ioc->pcidev, - ioc->fc_data.fc_port_page1[ii].pg_sz, - (u8 *) ioc->fc_data.fc_port_page1[ii].data, - ioc->fc_data.fc_port_page1[ii].dma); - ioc->fc_data.fc_port_page1[ii].data = NULL; - } - } - - mptscsih_remove(pdev); -} - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/** - * mptfc_exit - Unregisters MPT adapter(s) - * - */ -static void __exit -mptfc_exit(void) -{ - pci_unregister_driver(&mptfc_driver); - fc_release_transport(mptfc_transport_template); - - mpt_reset_deregister(mptfcDoneCtx); - mpt_event_deregister(mptfcDoneCtx); - - mpt_deregister(mptfcInternalCtx); - mpt_deregister(mptfcTaskCtx); - mpt_deregister(mptfcDoneCtx); -} - -module_init(mptfc_init); -module_exit(mptfc_exit); |