![Christoph Hellwig](/assets/img/avatar_default.png)
Various whitespace and comment fixes from Eric, aswell as a version bump. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
1415 lines
37 KiB
C
1415 lines
37 KiB
C
/*
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* linux/drivers/message/fusion/mptsas.c
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* For use with LSI Logic PCI chip/adapter(s)
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* running LSI Logic Fusion MPT (Message Passing Technology) firmware.
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*
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* Copyright (c) 1999-2005 LSI Logic Corporation
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* (mailto:mpt_linux_developer@lsil.com)
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* Copyright (c) 2005 Dell
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*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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NO WARRANTY
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THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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solely responsible for determining the appropriateness of using and
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distributing the Program and assumes all risks associated with its
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exercise of rights under this Agreement, including but not limited to
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the risks and costs of program errors, damage to or loss of data,
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programs or equipment, and unavailability or interruption of operations.
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DISCLAIMER OF LIABILITY
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NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/sched.h>
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#include <linux/workqueue.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_transport_sas.h>
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#include "mptbase.h"
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#include "mptscsih.h"
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#define my_NAME "Fusion MPT SAS Host driver"
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#define my_VERSION MPT_LINUX_VERSION_COMMON
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#define MYNAM "mptsas"
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MODULE_AUTHOR(MODULEAUTHOR);
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MODULE_DESCRIPTION(my_NAME);
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MODULE_LICENSE("GPL");
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static int mpt_pq_filter;
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module_param(mpt_pq_filter, int, 0);
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MODULE_PARM_DESC(mpt_pq_filter,
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"Enable peripheral qualifier filter: enable=1 "
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"(default=0)");
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static int mpt_pt_clear;
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module_param(mpt_pt_clear, int, 0);
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MODULE_PARM_DESC(mpt_pt_clear,
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"Clear persistency table: enable=1 "
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"(default=MPTSCSIH_PT_CLEAR=0)");
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static int mptsasDoneCtx = -1;
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static int mptsasTaskCtx = -1;
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static int mptsasInternalCtx = -1; /* Used only for internal commands */
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static int mptsasMgmtCtx = -1;
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/*
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* SAS topology structures
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*
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* The MPT Fusion firmware interface spreads information about the
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* SAS topology over many manufacture pages, thus we need some data
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* structure to collect it and process it for the SAS transport class.
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*/
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struct mptsas_devinfo {
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u16 handle; /* unique id to address this device */
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u8 phy_id; /* phy number of parent device */
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u8 port_id; /* sas physical port this device
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is assoc'd with */
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u8 target; /* logical target id of this device */
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u8 bus; /* logical bus number of this device */
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u64 sas_address; /* WWN of this device,
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SATA is assigned by HBA,expander */
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u32 device_info; /* bitfield detailed info about this device */
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};
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struct mptsas_phyinfo {
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u8 phy_id; /* phy index */
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u8 port_id; /* port number this phy is part of */
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u8 negotiated_link_rate; /* nego'd link rate for this phy */
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u8 hw_link_rate; /* hardware max/min phys link rate */
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u8 programmed_link_rate; /* programmed max/min phy link rate */
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struct mptsas_devinfo identify; /* point to phy device info */
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struct mptsas_devinfo attached; /* point to attached device info */
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struct sas_rphy *rphy;
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};
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struct mptsas_portinfo {
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struct list_head list;
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u16 handle; /* unique id to address this */
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u8 num_phys; /* number of phys */
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struct mptsas_phyinfo *phy_info;
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};
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#ifdef SASDEBUG
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static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
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{
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printk("---- IO UNIT PAGE 0 ------------\n");
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printk("Handle=0x%X\n",
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le16_to_cpu(phy_data->AttachedDeviceHandle));
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printk("Controller Handle=0x%X\n",
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le16_to_cpu(phy_data->ControllerDevHandle));
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printk("Port=0x%X\n", phy_data->Port);
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printk("Port Flags=0x%X\n", phy_data->PortFlags);
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printk("PHY Flags=0x%X\n", phy_data->PhyFlags);
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printk("Negotiated Link Rate=0x%X\n", phy_data->NegotiatedLinkRate);
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printk("Controller PHY Device Info=0x%X\n",
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le32_to_cpu(phy_data->ControllerPhyDeviceInfo));
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printk("DiscoveryStatus=0x%X\n",
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le32_to_cpu(phy_data->DiscoveryStatus));
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printk("\n");
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}
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static void mptsas_print_phy_pg0(SasPhyPage0_t *pg0)
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{
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__le64 sas_address;
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memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
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printk("---- SAS PHY PAGE 0 ------------\n");
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printk("Attached Device Handle=0x%X\n",
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le16_to_cpu(pg0->AttachedDevHandle));
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printk("SAS Address=0x%llX\n",
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(unsigned long long)le64_to_cpu(sas_address));
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printk("Attached PHY Identifier=0x%X\n", pg0->AttachedPhyIdentifier);
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printk("Attached Device Info=0x%X\n",
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le32_to_cpu(pg0->AttachedDeviceInfo));
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printk("Programmed Link Rate=0x%X\n", pg0->ProgrammedLinkRate);
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printk("Change Count=0x%X\n", pg0->ChangeCount);
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printk("PHY Info=0x%X\n", le32_to_cpu(pg0->PhyInfo));
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printk("\n");
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}
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static void mptsas_print_phy_pg1(SasPhyPage1_t *pg1)
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{
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printk("---- SAS PHY PAGE 1 ------------\n");
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printk("Invalid Dword Count=0x%x\n", pg1->InvalidDwordCount);
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printk("Running Disparity Error Count=0x%x\n",
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pg1->RunningDisparityErrorCount);
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printk("Loss Dword Synch Count=0x%x\n", pg1->LossDwordSynchCount);
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printk("PHY Reset Problem Count=0x%x\n", pg1->PhyResetProblemCount);
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printk("\n");
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}
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static void mptsas_print_device_pg0(SasDevicePage0_t *pg0)
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{
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__le64 sas_address;
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memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
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printk("---- SAS DEVICE PAGE 0 ---------\n");
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printk("Handle=0x%X\n" ,le16_to_cpu(pg0->DevHandle));
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printk("Enclosure Handle=0x%X\n", le16_to_cpu(pg0->EnclosureHandle));
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printk("Slot=0x%X\n", le16_to_cpu(pg0->Slot));
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printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address));
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printk("Target ID=0x%X\n", pg0->TargetID);
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printk("Bus=0x%X\n", pg0->Bus);
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/* The PhyNum field specifies the PHY number of the parent
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* device this device is linked to
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*/
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printk("Parent Phy Num=0x%X\n", pg0->PhyNum);
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printk("Access Status=0x%X\n", le16_to_cpu(pg0->AccessStatus));
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printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo));
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printk("Flags=0x%X\n", le16_to_cpu(pg0->Flags));
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printk("Physical Port=0x%X\n", pg0->PhysicalPort);
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printk("\n");
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}
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static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1)
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{
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printk("---- SAS EXPANDER PAGE 1 ------------\n");
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printk("Physical Port=0x%X\n", pg1->PhysicalPort);
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printk("PHY Identifier=0x%X\n", pg1->PhyIdentifier);
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printk("Negotiated Link Rate=0x%X\n", pg1->NegotiatedLinkRate);
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printk("Programmed Link Rate=0x%X\n", pg1->ProgrammedLinkRate);
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printk("Hardware Link Rate=0x%X\n", pg1->HwLinkRate);
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printk("Owner Device Handle=0x%X\n",
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le16_to_cpu(pg1->OwnerDevHandle));
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printk("Attached Device Handle=0x%X\n",
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le16_to_cpu(pg1->AttachedDevHandle));
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}
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#else
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#define mptsas_print_phy_data(phy_data) do { } while (0)
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#define mptsas_print_phy_pg0(pg0) do { } while (0)
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#define mptsas_print_phy_pg1(pg1) do { } while (0)
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#define mptsas_print_device_pg0(pg0) do { } while (0)
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#define mptsas_print_expander_pg1(pg1) do { } while (0)
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#endif
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/*
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* This is pretty ugly. We will be able to seriously clean it up
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* once the DV code in mptscsih goes away and we can properly
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* implement ->target_alloc.
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*/
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static int
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mptsas_slave_alloc(struct scsi_device *device)
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{
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struct Scsi_Host *host = device->host;
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MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
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struct sas_rphy *rphy;
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struct mptsas_portinfo *p;
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VirtDevice *vdev;
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uint target = device->id;
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int i;
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if ((vdev = hd->Targets[target]) != NULL)
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goto out;
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vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
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if (!vdev) {
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printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
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hd->ioc->name, sizeof(VirtDevice));
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return -ENOMEM;
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}
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memset(vdev, 0, sizeof(VirtDevice));
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vdev->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY;
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vdev->ioc_id = hd->ioc->id;
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rphy = dev_to_rphy(device->sdev_target->dev.parent);
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list_for_each_entry(p, &hd->ioc->sas_topology, list) {
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for (i = 0; i < p->num_phys; i++) {
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if (p->phy_info[i].attached.sas_address ==
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rphy->identify.sas_address) {
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vdev->target_id =
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p->phy_info[i].attached.target;
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vdev->bus_id = p->phy_info[i].attached.bus;
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hd->Targets[device->id] = vdev;
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goto out;
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}
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}
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}
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printk("No matching SAS device found!!\n");
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kfree(vdev);
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return -ENODEV;
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out:
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vdev->num_luns++;
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device->hostdata = vdev;
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return 0;
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}
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static struct scsi_host_template mptsas_driver_template = {
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.proc_name = "mptsas",
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.proc_info = mptscsih_proc_info,
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.name = "MPT SPI Host",
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.info = mptscsih_info,
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.queuecommand = mptscsih_qcmd,
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.slave_alloc = mptsas_slave_alloc,
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.slave_configure = mptscsih_slave_configure,
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.slave_destroy = mptscsih_slave_destroy,
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.change_queue_depth = mptscsih_change_queue_depth,
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.eh_abort_handler = mptscsih_abort,
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.eh_device_reset_handler = mptscsih_dev_reset,
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.eh_bus_reset_handler = mptscsih_bus_reset,
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.eh_host_reset_handler = mptscsih_host_reset,
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.bios_param = mptscsih_bios_param,
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.can_queue = MPT_FC_CAN_QUEUE,
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.this_id = -1,
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.sg_tablesize = MPT_SCSI_SG_DEPTH,
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.max_sectors = 8192,
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.cmd_per_lun = 7,
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.use_clustering = ENABLE_CLUSTERING,
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};
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static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
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{
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struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
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return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
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}
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static int mptsas_get_linkerrors(struct sas_phy *phy)
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{
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MPT_ADAPTER *ioc = phy_to_ioc(phy);
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ConfigExtendedPageHeader_t hdr;
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CONFIGPARMS cfg;
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SasPhyPage1_t *buffer;
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dma_addr_t dma_handle;
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int error;
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hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
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hdr.ExtPageLength = 0;
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hdr.PageNumber = 1 /* page number 1*/;
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hdr.Reserved1 = 0;
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hdr.Reserved2 = 0;
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hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
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hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
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cfg.cfghdr.ehdr = &hdr;
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cfg.physAddr = -1;
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cfg.pageAddr = phy->identify.phy_identifier;
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cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
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cfg.dir = 0; /* read */
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cfg.timeout = 10;
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error = mpt_config(ioc, &cfg);
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if (error)
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return error;
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if (!hdr.ExtPageLength)
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return -ENXIO;
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buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
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&dma_handle);
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if (!buffer)
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return -ENOMEM;
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cfg.physAddr = dma_handle;
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cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
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error = mpt_config(ioc, &cfg);
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if (error)
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goto out_free_consistent;
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mptsas_print_phy_pg1(buffer);
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phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
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phy->running_disparity_error_count =
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le32_to_cpu(buffer->RunningDisparityErrorCount);
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phy->loss_of_dword_sync_count =
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le32_to_cpu(buffer->LossDwordSynchCount);
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phy->phy_reset_problem_count =
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le32_to_cpu(buffer->PhyResetProblemCount);
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out_free_consistent:
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pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
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buffer, dma_handle);
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return error;
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}
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static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
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MPT_FRAME_HDR *reply)
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{
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ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_COMMAND_GOOD;
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if (reply != NULL) {
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ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_RF_VALID;
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memcpy(ioc->sas_mgmt.reply, reply,
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min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
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}
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complete(&ioc->sas_mgmt.done);
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return 1;
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}
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|
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static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
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{
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MPT_ADAPTER *ioc = phy_to_ioc(phy);
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SasIoUnitControlRequest_t *req;
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SasIoUnitControlReply_t *reply;
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MPT_FRAME_HDR *mf;
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MPIHeader_t *hdr;
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unsigned long timeleft;
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int error = -ERESTARTSYS;
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|
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/* not implemented for expanders */
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if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
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return -ENXIO;
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|
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if (down_interruptible(&ioc->sas_mgmt.mutex))
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goto out;
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mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
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if (!mf) {
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error = -ENOMEM;
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goto out_unlock;
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}
|
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hdr = (MPIHeader_t *) mf;
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req = (SasIoUnitControlRequest_t *)mf;
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memset(req, 0, sizeof(SasIoUnitControlRequest_t));
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req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
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req->MsgContext = hdr->MsgContext;
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req->Operation = hard_reset ?
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MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
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req->PhyNum = phy->identify.phy_identifier;
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|
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mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
|
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|
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timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
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10 * HZ);
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if (!timeleft) {
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/* On timeout reset the board */
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mpt_free_msg_frame(ioc, mf);
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mpt_HardResetHandler(ioc, CAN_SLEEP);
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error = -ETIMEDOUT;
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goto out_unlock;
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}
|
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|
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/* a reply frame is expected */
|
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if ((ioc->sas_mgmt.status &
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MPT_IOCTL_STATUS_RF_VALID) == 0) {
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error = -ENXIO;
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goto out_unlock;
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}
|
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|
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/* process the completed Reply Message Frame */
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reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
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if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
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printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
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__FUNCTION__,
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reply->IOCStatus,
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reply->IOCLogInfo);
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error = -ENXIO;
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goto out_unlock;
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}
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|
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error = 0;
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|
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out_unlock:
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up(&ioc->sas_mgmt.mutex);
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out:
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return error;
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}
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|
|
static struct sas_function_template mptsas_transport_functions = {
|
|
.get_linkerrors = mptsas_get_linkerrors,
|
|
.phy_reset = mptsas_phy_reset,
|
|
};
|
|
|
|
static struct scsi_transport_template *mptsas_transport_template;
|
|
|
|
static int
|
|
mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
|
|
{
|
|
ConfigExtendedPageHeader_t hdr;
|
|
CONFIGPARMS cfg;
|
|
SasIOUnitPage0_t *buffer;
|
|
dma_addr_t dma_handle;
|
|
int error, i;
|
|
|
|
hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
|
|
hdr.ExtPageLength = 0;
|
|
hdr.PageNumber = 0;
|
|
hdr.Reserved1 = 0;
|
|
hdr.Reserved2 = 0;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
|
|
hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
|
|
|
|
cfg.cfghdr.ehdr = &hdr;
|
|
cfg.physAddr = -1;
|
|
cfg.pageAddr = 0;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
cfg.dir = 0; /* read */
|
|
cfg.timeout = 10;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out;
|
|
if (!hdr.ExtPageLength) {
|
|
error = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
&dma_handle);
|
|
if (!buffer) {
|
|
error = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cfg.physAddr = dma_handle;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out_free_consistent;
|
|
|
|
port_info->num_phys = buffer->NumPhys;
|
|
port_info->phy_info = kcalloc(port_info->num_phys,
|
|
sizeof(struct mptsas_phyinfo),GFP_KERNEL);
|
|
if (!port_info->phy_info) {
|
|
error = -ENOMEM;
|
|
goto out_free_consistent;
|
|
}
|
|
|
|
for (i = 0; i < port_info->num_phys; i++) {
|
|
mptsas_print_phy_data(&buffer->PhyData[i]);
|
|
port_info->phy_info[i].phy_id = i;
|
|
port_info->phy_info[i].port_id =
|
|
buffer->PhyData[i].Port;
|
|
port_info->phy_info[i].negotiated_link_rate =
|
|
buffer->PhyData[i].NegotiatedLinkRate;
|
|
}
|
|
|
|
out_free_consistent:
|
|
pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
buffer, dma_handle);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
|
|
u32 form, u32 form_specific)
|
|
{
|
|
ConfigExtendedPageHeader_t hdr;
|
|
CONFIGPARMS cfg;
|
|
SasPhyPage0_t *buffer;
|
|
dma_addr_t dma_handle;
|
|
int error;
|
|
|
|
hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
|
|
hdr.ExtPageLength = 0;
|
|
hdr.PageNumber = 0;
|
|
hdr.Reserved1 = 0;
|
|
hdr.Reserved2 = 0;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
|
|
hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
|
|
|
|
cfg.cfghdr.ehdr = &hdr;
|
|
cfg.dir = 0; /* read */
|
|
cfg.timeout = 10;
|
|
|
|
/* Get Phy Pg 0 for each Phy. */
|
|
cfg.physAddr = -1;
|
|
cfg.pageAddr = form + form_specific;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out;
|
|
|
|
if (!hdr.ExtPageLength) {
|
|
error = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
&dma_handle);
|
|
if (!buffer) {
|
|
error = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cfg.physAddr = dma_handle;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out_free_consistent;
|
|
|
|
mptsas_print_phy_pg0(buffer);
|
|
|
|
phy_info->hw_link_rate = buffer->HwLinkRate;
|
|
phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
|
|
phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
|
|
phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
|
|
|
|
out_free_consistent:
|
|
pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
buffer, dma_handle);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
|
|
u32 form, u32 form_specific)
|
|
{
|
|
ConfigExtendedPageHeader_t hdr;
|
|
CONFIGPARMS cfg;
|
|
SasDevicePage0_t *buffer;
|
|
dma_addr_t dma_handle;
|
|
__le64 sas_address;
|
|
int error;
|
|
|
|
hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
|
|
hdr.ExtPageLength = 0;
|
|
hdr.PageNumber = 0;
|
|
hdr.Reserved1 = 0;
|
|
hdr.Reserved2 = 0;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
|
|
hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
|
|
|
|
cfg.cfghdr.ehdr = &hdr;
|
|
cfg.pageAddr = form + form_specific;
|
|
cfg.physAddr = -1;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
cfg.dir = 0; /* read */
|
|
cfg.timeout = 10;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out;
|
|
if (!hdr.ExtPageLength) {
|
|
error = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
&dma_handle);
|
|
if (!buffer) {
|
|
error = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cfg.physAddr = dma_handle;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out_free_consistent;
|
|
|
|
mptsas_print_device_pg0(buffer);
|
|
|
|
device_info->handle = le16_to_cpu(buffer->DevHandle);
|
|
device_info->phy_id = buffer->PhyNum;
|
|
device_info->port_id = buffer->PhysicalPort;
|
|
device_info->target = buffer->TargetID;
|
|
device_info->bus = buffer->Bus;
|
|
memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
|
|
device_info->sas_address = le64_to_cpu(sas_address);
|
|
device_info->device_info =
|
|
le32_to_cpu(buffer->DeviceInfo);
|
|
|
|
out_free_consistent:
|
|
pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
buffer, dma_handle);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
|
|
u32 form, u32 form_specific)
|
|
{
|
|
ConfigExtendedPageHeader_t hdr;
|
|
CONFIGPARMS cfg;
|
|
SasExpanderPage0_t *buffer;
|
|
dma_addr_t dma_handle;
|
|
int error;
|
|
|
|
hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
|
|
hdr.ExtPageLength = 0;
|
|
hdr.PageNumber = 0;
|
|
hdr.Reserved1 = 0;
|
|
hdr.Reserved2 = 0;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
|
|
hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
|
|
|
|
cfg.cfghdr.ehdr = &hdr;
|
|
cfg.physAddr = -1;
|
|
cfg.pageAddr = form + form_specific;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
cfg.dir = 0; /* read */
|
|
cfg.timeout = 10;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out;
|
|
|
|
if (!hdr.ExtPageLength) {
|
|
error = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
&dma_handle);
|
|
if (!buffer) {
|
|
error = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cfg.physAddr = dma_handle;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out_free_consistent;
|
|
|
|
/* save config data */
|
|
port_info->num_phys = buffer->NumPhys;
|
|
port_info->handle = le16_to_cpu(buffer->DevHandle);
|
|
port_info->phy_info = kcalloc(port_info->num_phys,
|
|
sizeof(struct mptsas_phyinfo),GFP_KERNEL);
|
|
if (!port_info->phy_info) {
|
|
error = -ENOMEM;
|
|
goto out_free_consistent;
|
|
}
|
|
|
|
out_free_consistent:
|
|
pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
buffer, dma_handle);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
|
|
u32 form, u32 form_specific)
|
|
{
|
|
ConfigExtendedPageHeader_t hdr;
|
|
CONFIGPARMS cfg;
|
|
SasExpanderPage1_t *buffer;
|
|
dma_addr_t dma_handle;
|
|
int error;
|
|
|
|
hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
|
|
hdr.ExtPageLength = 0;
|
|
hdr.PageNumber = 1;
|
|
hdr.Reserved1 = 0;
|
|
hdr.Reserved2 = 0;
|
|
hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
|
|
hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
|
|
|
|
cfg.cfghdr.ehdr = &hdr;
|
|
cfg.physAddr = -1;
|
|
cfg.pageAddr = form + form_specific;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
|
|
cfg.dir = 0; /* read */
|
|
cfg.timeout = 10;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out;
|
|
|
|
if (!hdr.ExtPageLength) {
|
|
error = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
&dma_handle);
|
|
if (!buffer) {
|
|
error = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cfg.physAddr = dma_handle;
|
|
cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
|
|
|
|
error = mpt_config(ioc, &cfg);
|
|
if (error)
|
|
goto out_free_consistent;
|
|
|
|
|
|
mptsas_print_expander_pg1(buffer);
|
|
|
|
/* save config data */
|
|
phy_info->phy_id = buffer->PhyIdentifier;
|
|
phy_info->port_id = buffer->PhysicalPort;
|
|
phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
|
|
phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
|
|
phy_info->hw_link_rate = buffer->HwLinkRate;
|
|
phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
|
|
phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
|
|
|
|
|
|
out_free_consistent:
|
|
pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
|
|
buffer, dma_handle);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
mptsas_parse_device_info(struct sas_identify *identify,
|
|
struct mptsas_devinfo *device_info)
|
|
{
|
|
u16 protocols;
|
|
|
|
identify->sas_address = device_info->sas_address;
|
|
identify->phy_identifier = device_info->phy_id;
|
|
|
|
/*
|
|
* Fill in Phy Initiator Port Protocol.
|
|
* Bits 6:3, more than one bit can be set, fall through cases.
|
|
*/
|
|
protocols = device_info->device_info & 0x78;
|
|
identify->initiator_port_protocols = 0;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
|
|
identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
|
|
identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
|
|
identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
|
|
identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
|
|
|
|
/*
|
|
* Fill in Phy Target Port Protocol.
|
|
* Bits 10:7, more than one bit can be set, fall through cases.
|
|
*/
|
|
protocols = device_info->device_info & 0x780;
|
|
identify->target_port_protocols = 0;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
|
|
identify->target_port_protocols |= SAS_PROTOCOL_SSP;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
|
|
identify->target_port_protocols |= SAS_PROTOCOL_STP;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
|
|
identify->target_port_protocols |= SAS_PROTOCOL_SMP;
|
|
if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
|
|
identify->target_port_protocols |= SAS_PROTOCOL_SATA;
|
|
|
|
/*
|
|
* Fill in Attached device type.
|
|
*/
|
|
switch (device_info->device_info &
|
|
MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
|
|
case MPI_SAS_DEVICE_INFO_NO_DEVICE:
|
|
identify->device_type = SAS_PHY_UNUSED;
|
|
break;
|
|
case MPI_SAS_DEVICE_INFO_END_DEVICE:
|
|
identify->device_type = SAS_END_DEVICE;
|
|
break;
|
|
case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
|
|
identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
|
|
break;
|
|
case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
|
|
identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int mptsas_probe_one_phy(struct device *dev,
|
|
struct mptsas_phyinfo *phy_info, int index, int local)
|
|
{
|
|
struct sas_phy *port;
|
|
int error;
|
|
|
|
port = sas_phy_alloc(dev, index);
|
|
if (!port)
|
|
return -ENOMEM;
|
|
|
|
port->port_identifier = phy_info->port_id;
|
|
mptsas_parse_device_info(&port->identify, &phy_info->identify);
|
|
|
|
/*
|
|
* Set Negotiated link rate.
|
|
*/
|
|
switch (phy_info->negotiated_link_rate) {
|
|
case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
|
|
port->negotiated_linkrate = SAS_PHY_DISABLED;
|
|
break;
|
|
case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
|
|
port->negotiated_linkrate = SAS_LINK_RATE_FAILED;
|
|
break;
|
|
case MPI_SAS_IOUNIT0_RATE_1_5:
|
|
port->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
|
|
break;
|
|
case MPI_SAS_IOUNIT0_RATE_3_0:
|
|
port->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
|
|
break;
|
|
case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
|
|
case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
|
|
default:
|
|
port->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Set Max hardware link rate.
|
|
*/
|
|
switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
|
|
case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
|
|
port->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
|
|
break;
|
|
case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
|
|
port->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Set Max programmed link rate.
|
|
*/
|
|
switch (phy_info->programmed_link_rate &
|
|
MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
|
|
case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
|
|
port->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
|
|
break;
|
|
case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
|
|
port->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Set Min hardware link rate.
|
|
*/
|
|
switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
|
|
case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
|
|
port->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
|
|
break;
|
|
case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
|
|
port->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Set Min programmed link rate.
|
|
*/
|
|
switch (phy_info->programmed_link_rate &
|
|
MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
|
|
case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
|
|
port->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
|
|
break;
|
|
case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
|
|
port->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (local)
|
|
port->local_attached = 1;
|
|
|
|
error = sas_phy_add(port);
|
|
if (error) {
|
|
sas_phy_free(port);
|
|
return error;
|
|
}
|
|
|
|
if (phy_info->attached.handle) {
|
|
struct sas_rphy *rphy;
|
|
|
|
rphy = sas_rphy_alloc(port);
|
|
if (!rphy)
|
|
return 0; /* non-fatal: an rphy can be added later */
|
|
|
|
mptsas_parse_device_info(&rphy->identify, &phy_info->attached);
|
|
error = sas_rphy_add(rphy);
|
|
if (error) {
|
|
sas_rphy_free(rphy);
|
|
return error;
|
|
}
|
|
|
|
phy_info->rphy = rphy;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index)
|
|
{
|
|
struct mptsas_portinfo *port_info;
|
|
u32 handle = 0xFFFF;
|
|
int error = -ENOMEM, i;
|
|
|
|
port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
|
|
if (!port_info)
|
|
goto out;
|
|
memset(port_info, 0, sizeof(*port_info));
|
|
|
|
error = mptsas_sas_io_unit_pg0(ioc, port_info);
|
|
if (error)
|
|
goto out_free_port_info;
|
|
|
|
list_add_tail(&port_info->list, &ioc->sas_topology);
|
|
|
|
for (i = 0; i < port_info->num_phys; i++) {
|
|
mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
|
|
(MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
|
|
MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
|
|
|
|
mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
|
|
(MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE <<
|
|
MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle);
|
|
port_info->phy_info[i].identify.phy_id =
|
|
port_info->phy_info[i].phy_id;
|
|
handle = port_info->phy_info[i].identify.handle;
|
|
|
|
if (port_info->phy_info[i].attached.handle) {
|
|
mptsas_sas_device_pg0(ioc,
|
|
&port_info->phy_info[i].attached,
|
|
(MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
|
|
MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
|
|
port_info->phy_info[i].attached.handle);
|
|
}
|
|
|
|
mptsas_probe_one_phy(&ioc->sh->shost_gendev,
|
|
&port_info->phy_info[i], *index, 1);
|
|
(*index)++;
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_free_port_info:
|
|
kfree(port_info);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle, int *index)
|
|
{
|
|
struct mptsas_portinfo *port_info, *p;
|
|
int error = -ENOMEM, i, j;
|
|
|
|
port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
|
|
if (!port_info)
|
|
goto out;
|
|
memset(port_info, 0, sizeof(*port_info));
|
|
|
|
error = mptsas_sas_expander_pg0(ioc, port_info,
|
|
(MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
|
|
MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle);
|
|
if (error)
|
|
goto out_free_port_info;
|
|
|
|
*handle = port_info->handle;
|
|
|
|
list_add_tail(&port_info->list, &ioc->sas_topology);
|
|
for (i = 0; i < port_info->num_phys; i++) {
|
|
struct device *parent;
|
|
|
|
mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
|
|
(MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
|
|
MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + *handle);
|
|
|
|
if (port_info->phy_info[i].identify.handle) {
|
|
mptsas_sas_device_pg0(ioc,
|
|
&port_info->phy_info[i].identify,
|
|
(MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
|
|
MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
|
|
port_info->phy_info[i].identify.handle);
|
|
port_info->phy_info[i].identify.phy_id =
|
|
port_info->phy_info[i].phy_id;
|
|
}
|
|
|
|
if (port_info->phy_info[i].attached.handle) {
|
|
mptsas_sas_device_pg0(ioc,
|
|
&port_info->phy_info[i].attached,
|
|
(MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
|
|
MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
|
|
port_info->phy_info[i].attached.handle);
|
|
}
|
|
|
|
/*
|
|
* If we find a parent port handle this expander is
|
|
* attached to another expander, else it hangs of the
|
|
* HBA phys.
|
|
*/
|
|
parent = &ioc->sh->shost_gendev;
|
|
list_for_each_entry(p, &ioc->sas_topology, list) {
|
|
for (j = 0; j < p->num_phys; j++) {
|
|
if (port_info->phy_info[i].identify.handle ==
|
|
p->phy_info[j].attached.handle)
|
|
parent = &p->phy_info[j].rphy->dev;
|
|
}
|
|
}
|
|
|
|
mptsas_probe_one_phy(parent, &port_info->phy_info[i],
|
|
*index, 0);
|
|
(*index)++;
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_free_port_info:
|
|
kfree(port_info);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
|
|
{
|
|
u32 handle = 0xFFFF;
|
|
int index = 0;
|
|
|
|
mptsas_probe_hba_phys(ioc, &index);
|
|
while (!mptsas_probe_expander_phys(ioc, &handle, &index))
|
|
;
|
|
}
|
|
|
|
static int
|
|
mptsas_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 sz, ii;
|
|
int numSGE = 0;
|
|
int scale;
|
|
int ioc_cap;
|
|
u8 *mem;
|
|
int error=0;
|
|
int r;
|
|
|
|
r = mpt_attach(pdev,id);
|
|
if (r)
|
|
return r;
|
|
|
|
ioc = pci_get_drvdata(pdev);
|
|
ioc->DoneCtx = mptsasDoneCtx;
|
|
ioc->TaskCtx = mptsasTaskCtx;
|
|
ioc->InternalCtx = mptsasInternalCtx;
|
|
|
|
/* 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);
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (!ioc->active) {
|
|
printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
|
|
ioc->name);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* 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(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
|
|
if (!sh) {
|
|
printk(MYIOC_s_WARN_FMT
|
|
"Unable to register controller with SCSI subsystem\n",
|
|
ioc->name);
|
|
return -1;
|
|
}
|
|
|
|
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 + 1;
|
|
|
|
sh->transportt = mptsas_transport_template;
|
|
|
|
sh->max_lun = MPT_LAST_LUN + 1;
|
|
sh->max_channel = 0;
|
|
sh->this_id = ioc->pfacts[0].PortSCSIID;
|
|
|
|
/* Required entry.
|
|
*/
|
|
sh->unique_id = ioc->id;
|
|
|
|
INIT_LIST_HEAD(&ioc->sas_topology);
|
|
init_MUTEX(&ioc->sas_mgmt.mutex);
|
|
init_completion(&ioc->sas_mgmt.done);
|
|
|
|
/* 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/(sizeof(dma_addr_t) + sizeof(u32));
|
|
if (sizeof(dma_addr_t) == sizeof(u64)) {
|
|
numSGE = (scale - 1) *
|
|
(ioc->facts.MaxChainDepth-1) + scale +
|
|
(ioc->req_sz - 60) / (sizeof(dma_addr_t) +
|
|
sizeof(u32));
|
|
} else {
|
|
numSGE = 1 + (scale - 1) *
|
|
(ioc->facts.MaxChainDepth-1) + scale +
|
|
(ioc->req_sz - 64) / (sizeof(dma_addr_t) +
|
|
sizeof(u32));
|
|
}
|
|
|
|
if (numSGE < sh->sg_tablesize) {
|
|
/* Reset this value */
|
|
dprintk((MYIOC_s_INFO_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 = (MPT_SCSI_HOST *) sh->hostdata;
|
|
hd->ioc = ioc;
|
|
|
|
/* SCSI needs scsi_cmnd lookup table!
|
|
* (with size equal to req_depth*PtrSz!)
|
|
*/
|
|
sz = ioc->req_depth * sizeof(void *);
|
|
mem = kmalloc(sz, GFP_ATOMIC);
|
|
if (mem == NULL) {
|
|
error = -ENOMEM;
|
|
goto mptsas_probe_failed;
|
|
}
|
|
|
|
memset(mem, 0, sz);
|
|
hd->ScsiLookup = (struct scsi_cmnd **) mem;
|
|
|
|
dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n",
|
|
ioc->name, hd->ScsiLookup, sz));
|
|
|
|
/* Allocate memory for the device structures.
|
|
* A non-Null pointer at an offset
|
|
* indicates a device exists.
|
|
* max_id = 1 + maximum id (hosts.h)
|
|
*/
|
|
sz = sh->max_id * sizeof(void *);
|
|
mem = kmalloc(sz, GFP_ATOMIC);
|
|
if (mem == NULL) {
|
|
error = -ENOMEM;
|
|
goto mptsas_probe_failed;
|
|
}
|
|
|
|
memset(mem, 0, sz);
|
|
hd->Targets = (VirtDevice **) mem;
|
|
|
|
dprintk((KERN_INFO
|
|
" Targets @ %p, sz=%d\n", hd->Targets, sz));
|
|
|
|
/* Clear the TM flags
|
|
*/
|
|
hd->tmPending = 0;
|
|
hd->tmState = TM_STATE_NONE;
|
|
hd->resetPending = 0;
|
|
hd->abortSCpnt = NULL;
|
|
|
|
/* Clear the pointer used to store
|
|
* single-threaded commands, i.e., those
|
|
* issued during a bus scan, dv and
|
|
* configuration pages.
|
|
*/
|
|
hd->cmdPtr = NULL;
|
|
|
|
/* Initialize this SCSI Hosts' timers
|
|
* To use, set the timer expires field
|
|
* and add_timer
|
|
*/
|
|
init_timer(&hd->timer);
|
|
hd->timer.data = (unsigned long) hd;
|
|
hd->timer.function = mptscsih_timer_expired;
|
|
|
|
hd->mpt_pq_filter = mpt_pq_filter;
|
|
ioc->sas_data.ptClear = mpt_pt_clear;
|
|
|
|
if (ioc->sas_data.ptClear==1) {
|
|
mptbase_sas_persist_operation(
|
|
ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
|
|
}
|
|
|
|
ddvprintk((MYIOC_s_INFO_FMT
|
|
"mpt_pq_filter %x mpt_pq_filter %x\n",
|
|
ioc->name,
|
|
mpt_pq_filter,
|
|
mpt_pq_filter));
|
|
|
|
init_waitqueue_head(&hd->scandv_waitq);
|
|
hd->scandv_wait_done = 0;
|
|
hd->last_queue_full = 0;
|
|
|
|
error = scsi_add_host(sh, &ioc->pcidev->dev);
|
|
if (error) {
|
|
dprintk((KERN_ERR MYNAM
|
|
"scsi_add_host failed\n"));
|
|
goto mptsas_probe_failed;
|
|
}
|
|
|
|
mptsas_scan_sas_topology(ioc);
|
|
|
|
return 0;
|
|
|
|
mptsas_probe_failed:
|
|
|
|
mptscsih_remove(pdev);
|
|
return error;
|
|
}
|
|
|
|
static void __devexit mptsas_remove(struct pci_dev *pdev)
|
|
{
|
|
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
|
|
struct mptsas_portinfo *p, *n;
|
|
|
|
sas_remove_host(ioc->sh);
|
|
|
|
list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
|
|
list_del(&p->list);
|
|
kfree(p);
|
|
}
|
|
|
|
mptscsih_remove(pdev);
|
|
}
|
|
|
|
static struct pci_device_id mptsas_pci_table[] = {
|
|
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064,
|
|
PCI_ANY_ID, PCI_ANY_ID },
|
|
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066,
|
|
PCI_ANY_ID, PCI_ANY_ID },
|
|
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068,
|
|
PCI_ANY_ID, PCI_ANY_ID },
|
|
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064E,
|
|
PCI_ANY_ID, PCI_ANY_ID },
|
|
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066E,
|
|
PCI_ANY_ID, PCI_ANY_ID },
|
|
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068E,
|
|
PCI_ANY_ID, PCI_ANY_ID },
|
|
{0} /* Terminating entry */
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
|
|
|
|
|
|
static struct pci_driver mptsas_driver = {
|
|
.name = "mptsas",
|
|
.id_table = mptsas_pci_table,
|
|
.probe = mptsas_probe,
|
|
.remove = __devexit_p(mptsas_remove),
|
|
.shutdown = mptscsih_shutdown,
|
|
#ifdef CONFIG_PM
|
|
.suspend = mptscsih_suspend,
|
|
.resume = mptscsih_resume,
|
|
#endif
|
|
};
|
|
|
|
static int __init
|
|
mptsas_init(void)
|
|
{
|
|
show_mptmod_ver(my_NAME, my_VERSION);
|
|
|
|
mptsas_transport_template =
|
|
sas_attach_transport(&mptsas_transport_functions);
|
|
if (!mptsas_transport_template)
|
|
return -ENODEV;
|
|
|
|
mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER);
|
|
mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER);
|
|
mptsasInternalCtx =
|
|
mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER);
|
|
mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER);
|
|
|
|
if (mpt_event_register(mptsasDoneCtx, mptscsih_event_process) == 0) {
|
|
devtprintk((KERN_INFO MYNAM
|
|
": Registered for IOC event notifications\n"));
|
|
}
|
|
|
|
if (mpt_reset_register(mptsasDoneCtx, mptscsih_ioc_reset) == 0) {
|
|
dprintk((KERN_INFO MYNAM
|
|
": Registered for IOC reset notifications\n"));
|
|
}
|
|
|
|
return pci_register_driver(&mptsas_driver);
|
|
}
|
|
|
|
static void __exit
|
|
mptsas_exit(void)
|
|
{
|
|
pci_unregister_driver(&mptsas_driver);
|
|
sas_release_transport(mptsas_transport_template);
|
|
|
|
mpt_reset_deregister(mptsasDoneCtx);
|
|
mpt_event_deregister(mptsasDoneCtx);
|
|
|
|
mpt_deregister(mptsasMgmtCtx);
|
|
mpt_deregister(mptsasInternalCtx);
|
|
mpt_deregister(mptsasTaskCtx);
|
|
mpt_deregister(mptsasDoneCtx);
|
|
}
|
|
|
|
module_init(mptsas_init);
|
|
module_exit(mptsas_exit);
|