diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/message/fusion/mptspi.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/message/fusion/mptspi.c | 1615 |
1 files changed, 0 insertions, 1615 deletions
diff --git a/ANDROID_3.4.5/drivers/message/fusion/mptspi.c b/ANDROID_3.4.5/drivers/message/fusion/mptspi.c deleted file mode 100644 index 8f61ba6a..00000000 --- a/ANDROID_3.4.5/drivers/message/fusion/mptspi.c +++ /dev/null @@ -1,1615 +0,0 @@ -/* - * linux/drivers/message/fusion/mptspi.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/slab.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/raid_class.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.h> -#include <scsi/scsi_transport_spi.h> -#include <scsi/scsi_dbg.h> - -#include "mptbase.h" -#include "mptscsih.h" - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -#define my_NAME "Fusion MPT SPI Host driver" -#define my_VERSION MPT_LINUX_VERSION_COMMON -#define MYNAM "mptspi" - -MODULE_AUTHOR(MODULEAUTHOR); -MODULE_DESCRIPTION(my_NAME); -MODULE_LICENSE("GPL"); -MODULE_VERSION(my_VERSION); - -/* Command line args */ -static int mpt_saf_te = MPTSCSIH_SAF_TE; -module_param(mpt_saf_te, int, 0); -MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)"); - -static void mptspi_write_offset(struct scsi_target *, int); -static void mptspi_write_width(struct scsi_target *, int); -static int mptspi_write_spi_device_pg1(struct scsi_target *, - struct _CONFIG_PAGE_SCSI_DEVICE_1 *); - -static struct scsi_transport_template *mptspi_transport_template = NULL; - -static u8 mptspiDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; -static u8 mptspiTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; -static u8 mptspiInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */ - -/** - * mptspi_setTargetNegoParms - Update the target negotiation parameters - * @hd: Pointer to a SCSI Host Structure - * @target: per target private data - * @sdev: SCSI device - * - * Update the target negotiation parameters based on the the Inquiry - * data, adapter capabilities, and NVRAM settings. - **/ -static void -mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, - struct scsi_device *sdev) -{ - MPT_ADAPTER *ioc = hd->ioc; - SpiCfgData *pspi_data = &ioc->spi_data; - int id = (int) target->id; - int nvram; - u8 width = MPT_NARROW; - u8 factor = MPT_ASYNC; - u8 offset = 0; - u8 nfactor; - u8 noQas = 1; - - target->negoFlags = pspi_data->noQas; - - if (sdev->scsi_level < SCSI_2) { - width = 0; - factor = MPT_ULTRA2; - offset = pspi_data->maxSyncOffset; - target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; - } else { - if (scsi_device_wide(sdev)) - width = 1; - - if (scsi_device_sync(sdev)) { - factor = pspi_data->minSyncFactor; - if (!scsi_device_dt(sdev)) - factor = MPT_ULTRA2; - else { - if (!scsi_device_ius(sdev) && - !scsi_device_qas(sdev)) - factor = MPT_ULTRA160; - else { - factor = MPT_ULTRA320; - if (scsi_device_qas(sdev)) { - ddvprintk(ioc, - printk(MYIOC_s_DEBUG_FMT "Enabling QAS due to " - "byte56=%02x on id=%d!\n", ioc->name, - scsi_device_qas(sdev), id)); - noQas = 0; - } - if (sdev->type == TYPE_TAPE && - scsi_device_ius(sdev)) - target->negoFlags |= MPT_TAPE_NEGO_IDP; - } - } - offset = pspi_data->maxSyncOffset; - - /* If RAID, never disable QAS - * else if non RAID, do not disable - * QAS if bit 1 is set - * bit 1 QAS support, non-raid only - * bit 0 IU support - */ - if (target->raidVolume == 1) - noQas = 0; - } else { - factor = MPT_ASYNC; - offset = 0; - } - } - - if (!sdev->tagged_supported) - target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; - - /* Update tflags based on NVRAM settings. (SCSI only) - */ - if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { - nvram = pspi_data->nvram[id]; - nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; - - if (width) - width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; - - if (offset > 0) { - /* Ensure factor is set to the - * maximum of: adapter, nvram, inquiry - */ - if (nfactor) { - if (nfactor < pspi_data->minSyncFactor ) - nfactor = pspi_data->minSyncFactor; - - factor = max(factor, nfactor); - if (factor == MPT_ASYNC) - offset = 0; - } else { - offset = 0; - factor = MPT_ASYNC; - } - } else { - factor = MPT_ASYNC; - } - } - - /* Make sure data is consistent - */ - if ((!width) && (factor < MPT_ULTRA2)) - factor = MPT_ULTRA2; - - /* Save the data to the target structure. - */ - target->minSyncFactor = factor; - target->maxOffset = offset; - target->maxWidth = width; - - spi_min_period(scsi_target(sdev)) = factor; - spi_max_offset(scsi_target(sdev)) = offset; - spi_max_width(scsi_target(sdev)) = width; - - target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; - - /* Disable unused features. - */ - if (!width) - target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; - - if (!offset) - target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; - - if ( factor > MPT_ULTRA320 ) - noQas = 0; - - if (noQas && (pspi_data->noQas == 0)) { - pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; - target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; - - /* Disable QAS in a mixed configuration case - */ - - ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT - "Disabling QAS due to noQas=%02x on id=%d!\n", ioc->name, noQas, id)); - } -} - -/** - * mptspi_writeIOCPage4 - write IOC Page 4 - * @hd: Pointer to a SCSI Host Structure - * @channel: channel number - * @id: write IOC Page4 for this ID & Bus - * - * Return: -EAGAIN if unable to obtain a Message Frame - * or 0 if success. - * - * Remark: We do not wait for a return, write pages sequentially. - **/ -static int -mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id) -{ - MPT_ADAPTER *ioc = hd->ioc; - Config_t *pReq; - IOCPage4_t *IOCPage4Ptr; - MPT_FRAME_HDR *mf; - dma_addr_t dataDma; - u16 req_idx; - u32 frameOffset; - u32 flagsLength; - int ii; - - /* Get a MF for this command. - */ - if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { - dfailprintk(ioc, printk(MYIOC_s_WARN_FMT - "writeIOCPage4 : no msg frames!\n",ioc->name)); - return -EAGAIN; - } - - /* Set the request and the data pointers. - * Place data at end of MF. - */ - pReq = (Config_t *)mf; - - req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); - frameOffset = ioc->req_sz - sizeof(IOCPage4_t); - - /* Complete the request frame (same for all requests). - */ - pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; - pReq->Reserved = 0; - pReq->ChainOffset = 0; - pReq->Function = MPI_FUNCTION_CONFIG; - pReq->ExtPageLength = 0; - pReq->ExtPageType = 0; - pReq->MsgFlags = 0; - for (ii=0; ii < 8; ii++) { - pReq->Reserved2[ii] = 0; - } - - IOCPage4Ptr = ioc->spi_data.pIocPg4; - dataDma = ioc->spi_data.IocPg4_dma; - ii = IOCPage4Ptr->ActiveSEP++; - IOCPage4Ptr->SEP[ii].SEPTargetID = id; - IOCPage4Ptr->SEP[ii].SEPBus = channel; - pReq->Header = IOCPage4Ptr->Header; - pReq->PageAddress = cpu_to_le32(id | (channel << 8 )); - - /* Add a SGE to the config request. - */ - flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | - (IOCPage4Ptr->Header.PageLength + ii) * 4; - - ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); - - ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT - "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n", - ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel)); - - mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); - - return 0; -} - -/** - * mptspi_initTarget - Target, LUN alloc/free functionality. - * @hd: Pointer to MPT_SCSI_HOST structure - * @vtarget: per target private data - * @sdev: SCSI device - * - * NOTE: It's only SAFE to call this routine if data points to - * sane & valid STANDARD INQUIRY data! - * - * Allocate and initialize memory for this target. - * Save inquiry data. - * - **/ -static void -mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, - struct scsi_device *sdev) -{ - - /* Is LUN supported? If so, upper 2 bits will be 0 - * in first byte of inquiry data. - */ - if (sdev->inq_periph_qual != 0) - return; - - if (vtarget == NULL) - return; - - vtarget->type = sdev->type; - - if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) { - /* Treat all Processors as SAF-TE if - * command line option is set */ - vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; - mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id); - }else if ((sdev->type == TYPE_PROCESSOR) && - !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) { - if (sdev->inquiry_len > 49 ) { - if (sdev->inquiry[44] == 'S' && - sdev->inquiry[45] == 'A' && - sdev->inquiry[46] == 'F' && - sdev->inquiry[47] == '-' && - sdev->inquiry[48] == 'T' && - sdev->inquiry[49] == 'E' ) { - vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; - mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id); - } - } - } - mptspi_setTargetNegoParms(hd, vtarget, sdev); -} - -/** - * mptspi_is_raid - Determines whether target is belonging to volume - * @hd: Pointer to a SCSI HOST structure - * @id: target device id - * - * Return: - * non-zero = true - * zero = false - * - */ -static int -mptspi_is_raid(struct _MPT_SCSI_HOST *hd, u32 id) -{ - int i, rc = 0; - MPT_ADAPTER *ioc = hd->ioc; - - if (!ioc->raid_data.pIocPg2) - goto out; - - if (!ioc->raid_data.pIocPg2->NumActiveVolumes) - goto out; - for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { - if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) { - rc = 1; - goto out; - } - } - - out: - return rc; -} - -static int mptspi_target_alloc(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct _MPT_SCSI_HOST *hd = shost_priv(shost); - VirtTarget *vtarget; - MPT_ADAPTER *ioc; - - if (hd == NULL) - return -ENODEV; - - ioc = hd->ioc; - vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); - if (!vtarget) - return -ENOMEM; - - vtarget->ioc_id = ioc->id; - vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; - vtarget->id = (u8)starget->id; - vtarget->channel = (u8)starget->channel; - vtarget->starget = starget; - starget->hostdata = vtarget; - - if (starget->channel == 1) { - if (mptscsih_is_phys_disk(ioc, 0, starget->id) == 0) - return 0; - vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; - /* The real channel for this device is zero */ - vtarget->channel = 0; - /* The actual physdisknum (for RAID passthrough) */ - vtarget->id = mptscsih_raid_id_to_num(ioc, 0, - starget->id); - } - - if (starget->channel == 0 && - mptspi_is_raid(hd, starget->id)) { - vtarget->raidVolume = 1; - ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT - "RAID Volume @ channel=%d id=%d\n", ioc->name, starget->channel, - starget->id)); - } - - if (ioc->spi_data.nvram && - ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) { - u32 nvram = ioc->spi_data.nvram[starget->id]; - spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT; - spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; - } else { - spi_min_period(starget) = ioc->spi_data.minSyncFactor; - spi_max_width(starget) = ioc->spi_data.maxBusWidth; - } - spi_max_offset(starget) = ioc->spi_data.maxSyncOffset; - - spi_offset(starget) = 0; - spi_period(starget) = 0xFF; - mptspi_write_width(starget, 0); - - return 0; -} - -static void -mptspi_target_destroy(struct scsi_target *starget) -{ - if (starget->hostdata) - kfree(starget->hostdata); - starget->hostdata = NULL; -} - -/** - * mptspi_print_write_nego - negotiation parameters debug info that is being sent - * @hd: Pointer to a SCSI HOST structure - * @starget: SCSI target - * @ii: negotiation parameters - * - */ -static void -mptspi_print_write_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) -{ - ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Requested = 0x%08x" - " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n", - hd->ioc->name, starget->id, ii, - ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "", - ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), - ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "", - ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "", - ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "", - ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "", - ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "", - ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "", - ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "", - ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": "")); -} - -/** - * mptspi_print_read_nego - negotiation parameters debug info that is being read - * @hd: Pointer to a SCSI HOST structure - * @starget: SCSI target - * @ii: negotiation parameters - * - */ -static void -mptspi_print_read_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) -{ - ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Read = 0x%08x" - " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n", - hd->ioc->name, starget->id, ii, - ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "", - ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), - ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "", - ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "", - ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "", - ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "", - ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "", - ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "", - ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "", - ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": "")); -} - -static int mptspi_read_spi_device_pg0(struct scsi_target *starget, - struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0) -{ - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct _MPT_SCSI_HOST *hd = shost_priv(shost); - struct _MPT_ADAPTER *ioc = hd->ioc; - struct _CONFIG_PAGE_SCSI_DEVICE_0 *spi_dev_pg0; - dma_addr_t spi_dev_pg0_dma; - int size; - struct _x_config_parms cfg; - struct _CONFIG_PAGE_HEADER hdr; - int err = -EBUSY; - - /* No SPI parameters for RAID devices */ - if (starget->channel == 0 && - mptspi_is_raid(hd, starget->id)) - return -1; - - size = ioc->spi_data.sdp0length * 4; - /* - if (ioc->spi_data.sdp0length & 1) - size += size + 4; - size += 2048; - */ - - spi_dev_pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &spi_dev_pg0_dma, GFP_KERNEL); - if (spi_dev_pg0 == NULL) { - starget_printk(KERN_ERR, starget, MYIOC_s_FMT - "dma_alloc_coherent for parameters failed\n", ioc->name); - return -EINVAL; - } - - memset(&hdr, 0, sizeof(hdr)); - - hdr.PageVersion = ioc->spi_data.sdp0version; - hdr.PageLength = ioc->spi_data.sdp0length; - hdr.PageNumber = 0; - hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; - - memset(&cfg, 0, sizeof(cfg)); - - cfg.cfghdr.hdr = &hdr; - cfg.physAddr = spi_dev_pg0_dma; - cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; - cfg.dir = 0; - cfg.pageAddr = starget->id; - cfg.timeout = 60; - - if (mpt_config(ioc, &cfg)) { - starget_printk(KERN_ERR, starget, MYIOC_s_FMT "mpt_config failed\n", ioc->name); - goto out_free; - } - err = 0; - memcpy(pass_pg0, spi_dev_pg0, size); - - mptspi_print_read_nego(hd, starget, le32_to_cpu(spi_dev_pg0->NegotiatedParameters)); - - out_free: - dma_free_coherent(&ioc->pcidev->dev, size, spi_dev_pg0, spi_dev_pg0_dma); - return err; -} - -static u32 mptspi_getRP(struct scsi_target *starget) -{ - u32 nego = 0; - - nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0; - nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0; - nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0; - nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0; - nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0; - nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0; - nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0; - nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0; - - nego |= (spi_period(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; - nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; - nego |= spi_width(starget) ? MPI_SCSIDEVPAGE1_RP_WIDE : 0; - - return nego; -} - -static void mptspi_read_parameters(struct scsi_target *starget) -{ - int nego; - struct _CONFIG_PAGE_SCSI_DEVICE_0 spi_dev_pg0; - - mptspi_read_spi_device_pg0(starget, &spi_dev_pg0); - - nego = le32_to_cpu(spi_dev_pg0.NegotiatedParameters); - - spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0; - spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0; - spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0; - spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0; - spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0; - spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0; - spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0; - spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0; - spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; - spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; - spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0; -} - -int -mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id) -{ - MPT_ADAPTER *ioc = hd->ioc; - MpiRaidActionRequest_t *pReq; - MPT_FRAME_HDR *mf; - int ret; - unsigned long timeleft; - - mutex_lock(&ioc->internal_cmds.mutex); - - /* Get and Populate a free Frame - */ - if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { - dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT - "%s: no msg frames!\n", ioc->name, __func__)); - ret = -EAGAIN; - goto out; - } - pReq = (MpiRaidActionRequest_t *)mf; - if (quiesce) - pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO; - else - pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO; - pReq->Reserved1 = 0; - pReq->ChainOffset = 0; - pReq->Function = MPI_FUNCTION_RAID_ACTION; - pReq->VolumeID = id; - pReq->VolumeBus = channel; - pReq->PhysDiskNum = 0; - pReq->MsgFlags = 0; - pReq->Reserved2 = 0; - pReq->ActionDataWord = 0; /* Reserved for this action */ - - ioc->add_sge((char *)&pReq->ActionDataSGE, - MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1); - - ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RAID Volume action=%x channel=%d id=%d\n", - ioc->name, pReq->Action, channel, id)); - - INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) - mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); - timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 10*HZ); - if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { - ret = -ETIME; - dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: TIMED OUT!\n", - ioc->name, __func__)); - if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) - goto out; - if (!timeleft) { - printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n", - ioc->name, __func__); - mpt_HardResetHandler(ioc, CAN_SLEEP); - mpt_free_msg_frame(ioc, mf); - } - goto out; - } - - ret = ioc->internal_cmds.completion_code; - - out: - CLEAR_MGMT_STATUS(ioc->internal_cmds.status) - mutex_unlock(&ioc->internal_cmds.mutex); - return ret; -} - -static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd, - struct scsi_device *sdev) -{ - VirtTarget *vtarget = scsi_target(sdev)->hostdata; - MPT_ADAPTER *ioc = hd->ioc; - - /* no DV on RAID devices */ - if (sdev->channel == 0 && - mptspi_is_raid(hd, sdev->id)) - return; - - /* If this is a piece of a RAID, then quiesce first */ - if (sdev->channel == 1 && - mptscsih_quiesce_raid(hd, 1, vtarget->channel, vtarget->id) < 0) { - starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT - "Integrated RAID quiesce failed\n", ioc->name); - return; - } - - hd->spi_pending |= (1 << sdev->id); - spi_dv_device(sdev); - hd->spi_pending &= ~(1 << sdev->id); - - if (sdev->channel == 1 && - mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0) - starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT - "Integrated RAID resume failed\n", ioc->name); - - mptspi_read_parameters(sdev->sdev_target); - spi_display_xfer_agreement(sdev->sdev_target); - mptspi_read_parameters(sdev->sdev_target); -} - -static int mptspi_slave_alloc(struct scsi_device *sdev) -{ - MPT_SCSI_HOST *hd = shost_priv(sdev->host); - VirtTarget *vtarget; - VirtDevice *vdevice; - struct scsi_target *starget; - MPT_ADAPTER *ioc = hd->ioc; - - if (sdev->channel == 1 && - mptscsih_is_phys_disk(ioc, 0, sdev->id) == 0) - return -ENXIO; - - 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; - } - - vdevice->lun = sdev->lun; - sdev->hostdata = vdevice; - - starget = scsi_target(sdev); - vtarget = starget->hostdata; - vdevice->vtarget = vtarget; - vtarget->num_luns++; - - if (sdev->channel == 1) - sdev->no_uld_attach = 1; - - return 0; -} - -static int mptspi_slave_configure(struct scsi_device *sdev) -{ - struct _MPT_SCSI_HOST *hd = shost_priv(sdev->host); - VirtTarget *vtarget = scsi_target(sdev)->hostdata; - int ret; - - mptspi_initTarget(hd, vtarget, sdev); - - ret = mptscsih_slave_configure(sdev); - - if (ret) - return ret; - - ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d min_period=0x%02x" - " max_offset=0x%02x max_width=%d\n", hd->ioc->name, - sdev->id, spi_min_period(scsi_target(sdev)), - spi_max_offset(scsi_target(sdev)), - spi_max_width(scsi_target(sdev)))); - - if ((sdev->channel == 1 || - !(mptspi_is_raid(hd, sdev->id))) && - !spi_initial_dv(sdev->sdev_target)) - mptspi_dv_device(hd, sdev); - - return 0; -} - -static int -mptspi_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) -{ - struct _MPT_SCSI_HOST *hd = shost_priv(SCpnt->device->host); - VirtDevice *vdevice = SCpnt->device->hostdata; - MPT_ADAPTER *ioc = hd->ioc; - - if (!vdevice || !vdevice->vtarget) { - SCpnt->result = DID_NO_CONNECT << 16; - done(SCpnt); - return 0; - } - - if (SCpnt->device->channel == 1 && - mptscsih_is_phys_disk(ioc, 0, SCpnt->device->id) == 0) { - SCpnt->result = DID_NO_CONNECT << 16; - done(SCpnt); - return 0; - } - - if (spi_dv_pending(scsi_target(SCpnt->device))) - ddvprintk(ioc, scsi_print_command(SCpnt)); - - return mptscsih_qcmd(SCpnt,done); -} - -static DEF_SCSI_QCMD(mptspi_qcmd) - -static void mptspi_slave_destroy(struct scsi_device *sdev) -{ - struct scsi_target *starget = scsi_target(sdev); - VirtTarget *vtarget = starget->hostdata; - VirtDevice *vdevice = sdev->hostdata; - - /* Will this be the last lun on a non-raid device? */ - if (vtarget->num_luns == 1 && vdevice->configured_lun) { - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - - /* Async Narrow */ - pg1.RequestedParameters = 0; - pg1.Reserved = 0; - pg1.Configuration = 0; - - mptspi_write_spi_device_pg1(starget, &pg1); - } - - mptscsih_slave_destroy(sdev); -} - -static struct scsi_host_template mptspi_driver_template = { - .module = THIS_MODULE, - .proc_name = "mptspi", - .proc_info = mptscsih_proc_info, - .name = "MPT SPI Host", - .info = mptscsih_info, - .queuecommand = mptspi_qcmd, - .target_alloc = mptspi_target_alloc, - .slave_alloc = mptspi_slave_alloc, - .slave_configure = mptspi_slave_configure, - .target_destroy = mptspi_target_destroy, - .slave_destroy = mptspi_slave_destroy, - .change_queue_depth = mptscsih_change_queue_depth, - .eh_abort_handler = mptscsih_abort, - .eh_device_reset_handler = mptscsih_dev_reset, - .eh_bus_reset_handler = mptscsih_bus_reset, - .eh_host_reset_handler = mptscsih_host_reset, - .bios_param = mptscsih_bios_param, - .can_queue = MPT_SCSI_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, -}; - -static int mptspi_write_spi_device_pg1(struct scsi_target *starget, - struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1) -{ - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct _MPT_SCSI_HOST *hd = shost_priv(shost); - struct _MPT_ADAPTER *ioc = hd->ioc; - struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1; - dma_addr_t pg1_dma; - int size; - struct _x_config_parms cfg; - struct _CONFIG_PAGE_HEADER hdr; - int err = -EBUSY; - u32 nego_parms; - u32 period; - struct scsi_device *sdev; - int i; - - /* don't allow updating nego parameters on RAID devices */ - if (starget->channel == 0 && - mptspi_is_raid(hd, starget->id)) - return -1; - - size = ioc->spi_data.sdp1length * 4; - - pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL); - if (pg1 == NULL) { - starget_printk(KERN_ERR, starget, MYIOC_s_FMT - "dma_alloc_coherent for parameters failed\n", ioc->name); - return -EINVAL; - } - - memset(&hdr, 0, sizeof(hdr)); - - hdr.PageVersion = ioc->spi_data.sdp1version; - hdr.PageLength = ioc->spi_data.sdp1length; - hdr.PageNumber = 1; - hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; - - memset(&cfg, 0, sizeof(cfg)); - - cfg.cfghdr.hdr = &hdr; - cfg.physAddr = pg1_dma; - cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; - cfg.dir = 1; - cfg.pageAddr = starget->id; - - memcpy(pg1, pass_pg1, size); - - pg1->Header.PageVersion = hdr.PageVersion; - pg1->Header.PageLength = hdr.PageLength; - pg1->Header.PageNumber = hdr.PageNumber; - pg1->Header.PageType = hdr.PageType; - - nego_parms = le32_to_cpu(pg1->RequestedParameters); - period = (nego_parms & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK) >> - MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; - if (period == 8) { - /* Turn on inline data padding for TAPE when running U320 */ - for (i = 0 ; i < 16; i++) { - sdev = scsi_device_lookup_by_target(starget, i); - if (sdev && sdev->type == TYPE_TAPE) { - sdev_printk(KERN_DEBUG, sdev, MYIOC_s_FMT - "IDP:ON\n", ioc->name); - nego_parms |= MPI_SCSIDEVPAGE1_RP_IDP; - pg1->RequestedParameters = - cpu_to_le32(nego_parms); - break; - } - } - } - - mptspi_print_write_nego(hd, starget, le32_to_cpu(pg1->RequestedParameters)); - - if (mpt_config(ioc, &cfg)) { - starget_printk(KERN_ERR, starget, MYIOC_s_FMT - "mpt_config failed\n", ioc->name); - goto out_free; - } - err = 0; - - out_free: - dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma); - return err; -} - -static void mptspi_write_offset(struct scsi_target *starget, int offset) -{ - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - u32 nego; - - if (offset < 0) - offset = 0; - - if (offset > 255) - offset = 255; - - if (spi_offset(starget) == -1) - mptspi_read_parameters(starget); - - spi_offset(starget) = offset; - - nego = mptspi_getRP(starget); - - pg1.RequestedParameters = cpu_to_le32(nego); - pg1.Reserved = 0; - pg1.Configuration = 0; - - mptspi_write_spi_device_pg1(starget, &pg1); -} - -static void mptspi_write_period(struct scsi_target *starget, int period) -{ - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - u32 nego; - - if (period < 8) - period = 8; - - if (period > 255) - period = 255; - - if (spi_period(starget) == -1) - mptspi_read_parameters(starget); - - if (period == 8) { - spi_iu(starget) = 1; - spi_dt(starget) = 1; - } else if (period == 9) { - spi_dt(starget) = 1; - } - - spi_period(starget) = period; - - nego = mptspi_getRP(starget); - - pg1.RequestedParameters = cpu_to_le32(nego); - pg1.Reserved = 0; - pg1.Configuration = 0; - - mptspi_write_spi_device_pg1(starget, &pg1); -} - -static void mptspi_write_dt(struct scsi_target *starget, int dt) -{ - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - u32 nego; - - if (spi_period(starget) == -1) - mptspi_read_parameters(starget); - - if (!dt && spi_period(starget) < 10) - spi_period(starget) = 10; - - spi_dt(starget) = dt; - - nego = mptspi_getRP(starget); - - - pg1.RequestedParameters = cpu_to_le32(nego); - pg1.Reserved = 0; - pg1.Configuration = 0; - - mptspi_write_spi_device_pg1(starget, &pg1); -} - -static void mptspi_write_iu(struct scsi_target *starget, int iu) -{ - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - u32 nego; - - if (spi_period(starget) == -1) - mptspi_read_parameters(starget); - - if (!iu && spi_period(starget) < 9) - spi_period(starget) = 9; - - spi_iu(starget) = iu; - - nego = mptspi_getRP(starget); - - pg1.RequestedParameters = cpu_to_le32(nego); - pg1.Reserved = 0; - pg1.Configuration = 0; - - mptspi_write_spi_device_pg1(starget, &pg1); -} - -#define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \ -static void mptspi_write_##parm(struct scsi_target *starget, int parm)\ -{ \ - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \ - u32 nego; \ - \ - spi_##parm(starget) = parm; \ - \ - nego = mptspi_getRP(starget); \ - \ - pg1.RequestedParameters = cpu_to_le32(nego); \ - pg1.Reserved = 0; \ - pg1.Configuration = 0; \ - \ - mptspi_write_spi_device_pg1(starget, &pg1); \ -} - -MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm) -MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow) -MPTSPI_SIMPLE_TRANSPORT_PARM(rti) -MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs) -MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en) - -static void mptspi_write_qas(struct scsi_target *starget, int qas) -{ - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct _MPT_SCSI_HOST *hd = shost_priv(shost); - VirtTarget *vtarget = starget->hostdata; - u32 nego; - - if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) || - hd->ioc->spi_data.noQas) - spi_qas(starget) = 0; - else - spi_qas(starget) = qas; - - nego = mptspi_getRP(starget); - - pg1.RequestedParameters = cpu_to_le32(nego); - pg1.Reserved = 0; - pg1.Configuration = 0; - - mptspi_write_spi_device_pg1(starget, &pg1); -} - -static void mptspi_write_width(struct scsi_target *starget, int width) -{ - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - u32 nego; - - if (!width) { - spi_dt(starget) = 0; - if (spi_period(starget) < 10) - spi_period(starget) = 10; - } - - spi_width(starget) = width; - - nego = mptspi_getRP(starget); - - pg1.RequestedParameters = cpu_to_le32(nego); - pg1.Reserved = 0; - pg1.Configuration = 0; - - mptspi_write_spi_device_pg1(starget, &pg1); -} - -struct work_queue_wrapper { - struct work_struct work; - struct _MPT_SCSI_HOST *hd; - int disk; -}; - -static void mpt_work_wrapper(struct work_struct *work) -{ - struct work_queue_wrapper *wqw = - container_of(work, struct work_queue_wrapper, work); - struct _MPT_SCSI_HOST *hd = wqw->hd; - MPT_ADAPTER *ioc = hd->ioc; - struct Scsi_Host *shost = ioc->sh; - struct scsi_device *sdev; - int disk = wqw->disk; - struct _CONFIG_PAGE_IOC_3 *pg3; - - kfree(wqw); - - mpt_findImVolumes(ioc); - pg3 = ioc->raid_data.pIocPg3; - if (!pg3) - return; - - shost_for_each_device(sdev,shost) { - struct scsi_target *starget = scsi_target(sdev); - VirtTarget *vtarget = starget->hostdata; - - /* only want to search RAID components */ - if (sdev->channel != 1) - continue; - - /* The id is the raid PhysDiskNum, even if - * starget->id is the actual target address */ - if(vtarget->id != disk) - continue; - - starget_printk(KERN_INFO, vtarget->starget, MYIOC_s_FMT - "Integrated RAID requests DV of new device\n", ioc->name); - mptspi_dv_device(hd, sdev); - } - shost_printk(KERN_INFO, shost, MYIOC_s_FMT - "Integrated RAID detects new device %d\n", ioc->name, disk); - scsi_scan_target(&ioc->sh->shost_gendev, 1, disk, 0, 1); -} - - -static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk) -{ - struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); - MPT_ADAPTER *ioc = hd->ioc; - - if (!wqw) { - shost_printk(KERN_ERR, ioc->sh, MYIOC_s_FMT - "Failed to act on RAID event for physical disk %d\n", - ioc->name, disk); - return; - } - INIT_WORK(&wqw->work, mpt_work_wrapper); - wqw->hd = hd; - wqw->disk = disk; - - schedule_work(&wqw->work); -} - -static int -mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) -{ - u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; - struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); - - if (ioc->bus_type != SPI) - return 0; - - if (hd && event == MPI_EVENT_INTEGRATED_RAID) { - int reason - = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16; - - if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { - int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24; - mpt_dv_raid(hd, disk); - } - } - return mptscsih_event_process(ioc, pEvReply); -} - -static int -mptspi_deny_binding(struct scsi_target *starget) -{ - struct _MPT_SCSI_HOST *hd = - (struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata; - return ((mptspi_is_raid(hd, starget->id)) && - starget->channel == 0) ? 1 : 0; -} - -static struct spi_function_template mptspi_transport_functions = { - .get_offset = mptspi_read_parameters, - .set_offset = mptspi_write_offset, - .show_offset = 1, - .get_period = mptspi_read_parameters, - .set_period = mptspi_write_period, - .show_period = 1, - .get_width = mptspi_read_parameters, - .set_width = mptspi_write_width, - .show_width = 1, - .get_iu = mptspi_read_parameters, - .set_iu = mptspi_write_iu, - .show_iu = 1, - .get_dt = mptspi_read_parameters, - .set_dt = mptspi_write_dt, - .show_dt = 1, - .get_qas = mptspi_read_parameters, - .set_qas = mptspi_write_qas, - .show_qas = 1, - .get_wr_flow = mptspi_read_parameters, - .set_wr_flow = mptspi_write_wr_flow, - .show_wr_flow = 1, - .get_rd_strm = mptspi_read_parameters, - .set_rd_strm = mptspi_write_rd_strm, - .show_rd_strm = 1, - .get_rti = mptspi_read_parameters, - .set_rti = mptspi_write_rti, - .show_rti = 1, - .get_pcomp_en = mptspi_read_parameters, - .set_pcomp_en = mptspi_write_pcomp_en, - .show_pcomp_en = 1, - .get_hold_mcs = mptspi_read_parameters, - .set_hold_mcs = mptspi_write_hold_mcs, - .show_hold_mcs = 1, - .deny_binding = mptspi_deny_binding, -}; - -/**************************************************************************** - * Supported hardware - */ - -static struct pci_device_id mptspi_pci_table[] = { - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_ATTO, MPI_MANUFACTPAGE_DEVID_53C1030, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035, - PCI_ANY_ID, PCI_ANY_ID }, - {0} /* Terminating entry */ -}; -MODULE_DEVICE_TABLE(pci, mptspi_pci_table); - - -/* - * renegotiate for a given target - */ -static void -mptspi_dv_renegotiate_work(struct work_struct *work) -{ - struct work_queue_wrapper *wqw = - container_of(work, struct work_queue_wrapper, work); - struct _MPT_SCSI_HOST *hd = wqw->hd; - struct scsi_device *sdev; - struct scsi_target *starget; - struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; - u32 nego; - MPT_ADAPTER *ioc = hd->ioc; - - kfree(wqw); - - if (hd->spi_pending) { - shost_for_each_device(sdev, ioc->sh) { - if (hd->spi_pending & (1 << sdev->id)) - continue; - starget = scsi_target(sdev); - nego = mptspi_getRP(starget); - pg1.RequestedParameters = cpu_to_le32(nego); - pg1.Reserved = 0; - pg1.Configuration = 0; - mptspi_write_spi_device_pg1(starget, &pg1); - } - } else { - shost_for_each_device(sdev, ioc->sh) - mptspi_dv_device(hd, sdev); - } -} - -static void -mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) -{ - struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); - - if (!wqw) - return; - - INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work); - wqw->hd = hd; - - schedule_work(&wqw->work); -} - -/* - * spi module reset handler - */ -static int -mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) -{ - int rc; - - rc = mptscsih_ioc_reset(ioc, reset_phase); - if ((ioc->bus_type != SPI) || (!rc)) - return rc; - - /* only try to do a renegotiation if we're properly set up - * if we get an ioc fault on bringup, ioc->sh will be NULL */ - if (reset_phase == MPT_IOC_POST_RESET && - ioc->sh) { - struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); - - mptspi_dv_renegotiate(hd); - } - - return rc; -} - -#ifdef CONFIG_PM -/* - * spi module resume handler - */ -static int -mptspi_resume(struct pci_dev *pdev) -{ - MPT_ADAPTER *ioc = pci_get_drvdata(pdev); - struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); - int rc; - - rc = mptscsih_resume(pdev); - mptspi_dv_renegotiate(hd); - - return rc; -} -#endif - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * mptspi_probe - Installs scsi devices per bus. - * @pdev: Pointer to pci_dev structure - * - * Returns 0 for success, non-zero for failure. - * - */ -static int -mptspi_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 = mptspiDoneCtx; - ioc->TaskCtx = mptspiTaskCtx; - ioc->InternalCtx = mptspiInternalCtx; - - /* 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_mptspi_probe; - } - - if (!ioc->active) { - printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", - ioc->name); - error = -ENODEV; - goto out_mptspi_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(&mptspi_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_mptspi_probe; - } - - 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; - - /* Yikes! This is important! - * Otherwise, by default, linux - * only scans target IDs 0-7! - * pfactsN->MaxDevices unreliable - * (not supported in early - * versions of the FW). - * max_id = 1 + actual max id, - * max_lun = 1 + actual last lun, - * see hosts.h :o( - */ - sh->max_id = ioc->devices_per_bus; - - sh->max_lun = MPT_LAST_LUN + 1; - /* - * If RAID Firmware Detected, setup virtual channel - */ - if (ioc->ir_firmware) - sh->max_channel = 1; - else - sh->max_channel = 0; - sh->this_id = ioc->pfacts[0].PortSCSIID; - - /* 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_mptspi_probe; - } - spin_lock_init(&ioc->scsi_lookup_lock); - - dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", - ioc->name, ioc->ScsiLookup)); - - ioc->spi_data.Saf_Te = mpt_saf_te; - ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT - "saf_te %x\n", - ioc->name, - mpt_saf_te)); - ioc->spi_data.noQas = 0; - - hd->last_queue_full = 0; - hd->spi_pending = 0; - - /* Some versions of the firmware don't support page 0; without - * that we can't get the parameters */ - if (ioc->spi_data.sdp0length != 0) - sh->transportt = mptspi_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_mptspi_probe; - } - - /* - * issue internal bus reset - */ - if (ioc->spi_data.bus_reset) - mptscsih_IssueTaskMgmt(hd, - MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, - 0, 0, 0, 0, 5); - - scsi_scan_host(sh); - return 0; - -out_mptspi_probe: - - mptscsih_remove(pdev); - return error; -} - -static struct pci_driver mptspi_driver = { - .name = "mptspi", - .id_table = mptspi_pci_table, - .probe = mptspi_probe, - .remove = __devexit_p(mptscsih_remove), - .shutdown = mptscsih_shutdown, -#ifdef CONFIG_PM - .suspend = mptscsih_suspend, - .resume = mptspi_resume, -#endif -}; - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/** - * mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. - * - * Returns 0 for success, non-zero for failure. - */ -static int __init -mptspi_init(void) -{ - int error; - - show_mptmod_ver(my_NAME, my_VERSION); - - mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions); - if (!mptspi_transport_template) - return -ENODEV; - - mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER, - "mptscsih_io_done"); - mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER, - "mptscsih_taskmgmt_complete"); - mptspiInternalCtx = mpt_register(mptscsih_scandv_complete, - MPTSPI_DRIVER, "mptscsih_scandv_complete"); - - mpt_event_register(mptspiDoneCtx, mptspi_event_process); - mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset); - - error = pci_register_driver(&mptspi_driver); - if (error) - spi_release_transport(mptspi_transport_template); - - return error; -} - -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/** - * mptspi_exit - Unregisters MPT adapter(s) - */ -static void __exit -mptspi_exit(void) -{ - pci_unregister_driver(&mptspi_driver); - - mpt_reset_deregister(mptspiDoneCtx); - mpt_event_deregister(mptspiDoneCtx); - - mpt_deregister(mptspiInternalCtx); - mpt_deregister(mptspiTaskCtx); - mpt_deregister(mptspiDoneCtx); - spi_release_transport(mptspi_transport_template); -} - -module_init(mptspi_init); -module_exit(mptspi_exit); |