| /* | |
| * SAS Transport Layer for MPT (Message Passing Technology) based controllers | |
| * | |
| * This code is based on drivers/scsi/mpt2sas/mpt2_transport.c | |
| * Copyright (C) 2007-2014 LSI Corporation | |
| * Copyright (C) 20013-2014 Avago Technologies | |
| * (mailto: [email protected]) | |
| * | |
| * 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; either version 2 | |
| * of the License, or (at your option) any later version. | |
| * | |
| * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
| * USA. | |
| */ | |
| #include <linux/module.h> | |
| #include <linux/kernel.h> | |
| #include <linux/init.h> | |
| #include <linux/errno.h> | |
| #include <linux/sched.h> | |
| #include <linux/workqueue.h> | |
| #include <linux/delay.h> | |
| #include <linux/pci.h> | |
| #include <linux/slab.h> | |
| #include <scsi/scsi.h> | |
| #include <scsi/scsi_cmnd.h> | |
| #include <scsi/scsi_device.h> | |
| #include <scsi/scsi_host.h> | |
| #include <scsi/scsi_transport_sas.h> | |
| #include <scsi/scsi_dbg.h> | |
| #include "mpt2sas_base.h" | |
| /** | |
| * _transport_sas_node_find_by_sas_address - sas node search | |
| * @ioc: per adapter object | |
| * @sas_address: sas address of expander or sas host | |
| * Context: Calling function should acquire ioc->sas_node_lock. | |
| * | |
| * Search for either hba phys or expander device based on handle, then returns | |
| * the sas_node object. | |
| */ | |
| static struct _sas_node * | |
| _transport_sas_node_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
| u64 sas_address) | |
| { | |
| if (ioc->sas_hba.sas_address == sas_address) | |
| return &ioc->sas_hba; | |
| else | |
| return mpt2sas_scsih_expander_find_by_sas_address(ioc, | |
| sas_address); | |
| } | |
| /** | |
| * _transport_convert_phy_link_rate - | |
| * @link_rate: link rate returned from mpt firmware | |
| * | |
| * Convert link_rate from mpi fusion into sas_transport form. | |
| */ | |
| static enum sas_linkrate | |
| _transport_convert_phy_link_rate(u8 link_rate) | |
| { | |
| enum sas_linkrate rc; | |
| switch (link_rate) { | |
| case MPI2_SAS_NEG_LINK_RATE_1_5: | |
| rc = SAS_LINK_RATE_1_5_GBPS; | |
| break; | |
| case MPI2_SAS_NEG_LINK_RATE_3_0: | |
| rc = SAS_LINK_RATE_3_0_GBPS; | |
| break; | |
| case MPI2_SAS_NEG_LINK_RATE_6_0: | |
| rc = SAS_LINK_RATE_6_0_GBPS; | |
| break; | |
| case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED: | |
| rc = SAS_PHY_DISABLED; | |
| break; | |
| case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED: | |
| rc = SAS_LINK_RATE_FAILED; | |
| break; | |
| case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR: | |
| rc = SAS_SATA_PORT_SELECTOR; | |
| break; | |
| case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS: | |
| rc = SAS_PHY_RESET_IN_PROGRESS; | |
| break; | |
| default: | |
| case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE: | |
| case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE: | |
| rc = SAS_LINK_RATE_UNKNOWN; | |
| break; | |
| } | |
| return rc; | |
| } | |
| /** | |
| * _transport_set_identify - set identify for phys and end devices | |
| * @ioc: per adapter object | |
| * @handle: device handle | |
| * @identify: sas identify info | |
| * | |
| * Populates sas identify info. | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| static int | |
| _transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
| struct sas_identify *identify) | |
| { | |
| Mpi2SasDevicePage0_t sas_device_pg0; | |
| Mpi2ConfigReply_t mpi_reply; | |
| u32 device_info; | |
| u32 ioc_status; | |
| if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
| printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
| __func__, ioc->name); | |
| return -EFAULT; | |
| } | |
| if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return -ENXIO; | |
| } | |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
| MPI2_IOCSTATUS_MASK; | |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
| printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" | |
| "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, | |
| __FILE__, __LINE__, __func__); | |
| return -EIO; | |
| } | |
| memset(identify, 0, sizeof(struct sas_identify)); | |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
| /* sas_address */ | |
| identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
| /* phy number of the parent device this device is linked to */ | |
| identify->phy_identifier = sas_device_pg0.PhyNum; | |
| /* device_type */ | |
| switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { | |
| case MPI2_SAS_DEVICE_INFO_NO_DEVICE: | |
| identify->device_type = SAS_PHY_UNUSED; | |
| break; | |
| case MPI2_SAS_DEVICE_INFO_END_DEVICE: | |
| identify->device_type = SAS_END_DEVICE; | |
| break; | |
| case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER: | |
| identify->device_type = SAS_EDGE_EXPANDER_DEVICE; | |
| break; | |
| case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER: | |
| identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; | |
| break; | |
| } | |
| /* initiator_port_protocols */ | |
| if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR) | |
| identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; | |
| if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR) | |
| identify->initiator_port_protocols |= SAS_PROTOCOL_STP; | |
| if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR) | |
| identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; | |
| if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST) | |
| identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; | |
| /* target_port_protocols */ | |
| if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | |
| identify->target_port_protocols |= SAS_PROTOCOL_SSP; | |
| if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
| identify->target_port_protocols |= SAS_PROTOCOL_STP; | |
| if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) | |
| identify->target_port_protocols |= SAS_PROTOCOL_SMP; | |
| if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
| identify->target_port_protocols |= SAS_PROTOCOL_SATA; | |
| return 0; | |
| } | |
| /** | |
| * mpt2sas_transport_done - internal transport layer callback handler. | |
| * @ioc: per adapter object | |
| * @smid: system request message index | |
| * @msix_index: MSIX table index supplied by the OS | |
| * @reply: reply message frame(lower 32bit addr) | |
| * | |
| * Callback handler when sending internal generated transport cmds. | |
| * The callback index passed is `ioc->transport_cb_idx` | |
| * | |
| * Return 1 meaning mf should be freed from _base_interrupt | |
| * 0 means the mf is freed from this function. | |
| */ | |
| u8 | |
| mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
| u32 reply) | |
| { | |
| MPI2DefaultReply_t *mpi_reply; | |
| mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
| if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED) | |
| return 1; | |
| if (ioc->transport_cmds.smid != smid) | |
| return 1; | |
| ioc->transport_cmds.status |= MPT2_CMD_COMPLETE; | |
| if (mpi_reply) { | |
| memcpy(ioc->transport_cmds.reply, mpi_reply, | |
| mpi_reply->MsgLength*4); | |
| ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID; | |
| } | |
| ioc->transport_cmds.status &= ~MPT2_CMD_PENDING; | |
| complete(&ioc->transport_cmds.done); | |
| return 1; | |
| } | |
| /* report manufacture request structure */ | |
| struct rep_manu_request{ | |
| u8 smp_frame_type; | |
| u8 function; | |
| u8 reserved; | |
| u8 request_length; | |
| }; | |
| /* report manufacture reply structure */ | |
| struct rep_manu_reply{ | |
| u8 smp_frame_type; /* 0x41 */ | |
| u8 function; /* 0x01 */ | |
| u8 function_result; | |
| u8 response_length; | |
| u16 expander_change_count; | |
| u8 reserved0[2]; | |
| u8 sas_format; | |
| u8 reserved2[3]; | |
| u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; | |
| u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; | |
| u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; | |
| u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; | |
| u16 component_id; | |
| u8 component_revision_id; | |
| u8 reserved3; | |
| u8 vendor_specific[8]; | |
| }; | |
| /** | |
| * _transport_expander_report_manufacture - obtain SMP report_manufacture | |
| * @ioc: per adapter object | |
| * @sas_address: expander sas address | |
| * @edev: the sas_expander_device object | |
| * | |
| * Fills in the sas_expander_device object when SMP port is created. | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| static int | |
| _transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc, | |
| u64 sas_address, struct sas_expander_device *edev) | |
| { | |
| Mpi2SmpPassthroughRequest_t *mpi_request; | |
| Mpi2SmpPassthroughReply_t *mpi_reply; | |
| struct rep_manu_reply *manufacture_reply; | |
| struct rep_manu_request *manufacture_request; | |
| int rc; | |
| u16 smid; | |
| u32 ioc_state; | |
| unsigned long timeleft; | |
| void *psge; | |
| u32 sgl_flags; | |
| u8 issue_reset = 0; | |
| void *data_out = NULL; | |
| dma_addr_t data_out_dma; | |
| u32 sz; | |
| u16 wait_state_count; | |
| if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
| printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
| __func__, ioc->name); | |
| return -EFAULT; | |
| } | |
| mutex_lock(&ioc->transport_cmds.mutex); | |
| if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
| printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
| ioc->name, __func__); | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
| wait_state_count = 0; | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
| if (wait_state_count++ == 10) { | |
| printk(MPT2SAS_ERR_FMT | |
| "%s: failed due to ioc not operational\n", | |
| ioc->name, __func__); | |
| rc = -EFAULT; | |
| goto out; | |
| } | |
| ssleep(1); | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
| "operational state(count=%d)\n", ioc->name, | |
| __func__, wait_state_count); | |
| } | |
| if (wait_state_count) | |
| printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
| ioc->name, __func__); | |
| smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
| if (!smid) { | |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
| ioc->name, __func__); | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| rc = 0; | |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
| ioc->transport_cmds.smid = smid; | |
| sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply); | |
| data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
| if (!data_out) { | |
| printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
| __LINE__, __func__); | |
| rc = -ENOMEM; | |
| mpt2sas_base_free_smid(ioc, smid); | |
| goto out; | |
| } | |
| manufacture_request = data_out; | |
| manufacture_request->smp_frame_type = 0x40; | |
| manufacture_request->function = 1; | |
| manufacture_request->reserved = 0; | |
| manufacture_request->request_length = 0; | |
| memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
| mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
| mpi_request->PhysicalPort = 0xFF; | |
| mpi_request->VF_ID = 0; /* TODO */ | |
| mpi_request->VP_ID = 0; | |
| mpi_request->SASAddress = cpu_to_le64(sas_address); | |
| mpi_request->RequestDataLength = | |
| cpu_to_le16(sizeof(struct rep_manu_request)); | |
| psge = &mpi_request->SGL; | |
| /* WRITE sgel first */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| sizeof(struct rep_manu_request), data_out_dma); | |
| /* incr sgel */ | |
| psge += ioc->sge_size; | |
| /* READ sgel last */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
| MPI2_SGE_FLAGS_END_OF_LIST); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| sizeof(struct rep_manu_reply), data_out_dma + | |
| sizeof(struct rep_manu_request)); | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " | |
| "send to sas_addr(0x%016llx)\n", ioc->name, | |
| (unsigned long long)sas_address)); | |
| init_completion(&ioc->transport_cmds.done); | |
| mpt2sas_base_put_smid_default(ioc, smid); | |
| timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
| 10*HZ); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
| printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
| ioc->name, __func__); | |
| _debug_dump_mf(mpi_request, | |
| sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
| issue_reset = 1; | |
| goto issue_host_reset; | |
| } | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " | |
| "complete\n", ioc->name)); | |
| if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
| u8 *tmp; | |
| mpi_reply = ioc->transport_cmds.reply; | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "report_manufacture - reply data transfer size(%d)\n", | |
| ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
| if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
| sizeof(struct rep_manu_reply)) | |
| goto out; | |
| manufacture_reply = data_out + sizeof(struct rep_manu_request); | |
| strncpy(edev->vendor_id, manufacture_reply->vendor_id, | |
| SAS_EXPANDER_VENDOR_ID_LEN); | |
| strncpy(edev->product_id, manufacture_reply->product_id, | |
| SAS_EXPANDER_PRODUCT_ID_LEN); | |
| strncpy(edev->product_rev, manufacture_reply->product_rev, | |
| SAS_EXPANDER_PRODUCT_REV_LEN); | |
| edev->level = manufacture_reply->sas_format & 1; | |
| if (edev->level) { | |
| strncpy(edev->component_vendor_id, | |
| manufacture_reply->component_vendor_id, | |
| SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); | |
| tmp = (u8 *)&manufacture_reply->component_id; | |
| edev->component_id = tmp[0] << 8 | tmp[1]; | |
| edev->component_revision_id = | |
| manufacture_reply->component_revision_id; | |
| } | |
| } else | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "report_manufacture - no reply\n", ioc->name)); | |
| issue_host_reset: | |
| if (issue_reset) | |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
| FORCE_BIG_HAMMER); | |
| out: | |
| ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
| if (data_out) | |
| pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
| mutex_unlock(&ioc->transport_cmds.mutex); | |
| return rc; | |
| } | |
| /** | |
| * _transport_delete_port - helper function to removing a port | |
| * @ioc: per adapter object | |
| * @mpt2sas_port: mpt2sas per port object | |
| * | |
| * Returns nothing. | |
| */ | |
| static void | |
| _transport_delete_port(struct MPT2SAS_ADAPTER *ioc, | |
| struct _sas_port *mpt2sas_port) | |
| { | |
| u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
| enum sas_device_type device_type = | |
| mpt2sas_port->remote_identify.device_type; | |
| dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
| "remove: sas_addr(0x%016llx)\n", | |
| (unsigned long long) sas_address); | |
| ioc->logging_level |= MPT_DEBUG_TRANSPORT; | |
| if (device_type == SAS_END_DEVICE) | |
| mpt2sas_device_remove_by_sas_address(ioc, sas_address); | |
| else if (device_type == SAS_EDGE_EXPANDER_DEVICE || | |
| device_type == SAS_FANOUT_EXPANDER_DEVICE) | |
| mpt2sas_expander_remove(ioc, sas_address); | |
| ioc->logging_level &= ~MPT_DEBUG_TRANSPORT; | |
| } | |
| /** | |
| * _transport_delete_phy - helper function to removing single phy from port | |
| * @ioc: per adapter object | |
| * @mpt2sas_port: mpt2sas per port object | |
| * @mpt2sas_phy: mpt2sas per phy object | |
| * | |
| * Returns nothing. | |
| */ | |
| static void | |
| _transport_delete_phy(struct MPT2SAS_ADAPTER *ioc, | |
| struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy) | |
| { | |
| u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
| dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
| "remove: sas_addr(0x%016llx), phy(%d)\n", | |
| (unsigned long long) sas_address, mpt2sas_phy->phy_id); | |
| list_del(&mpt2sas_phy->port_siblings); | |
| mpt2sas_port->num_phys--; | |
| sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
| mpt2sas_phy->phy_belongs_to_port = 0; | |
| } | |
| /** | |
| * _transport_add_phy - helper function to adding single phy to port | |
| * @ioc: per adapter object | |
| * @mpt2sas_port: mpt2sas per port object | |
| * @mpt2sas_phy: mpt2sas per phy object | |
| * | |
| * Returns nothing. | |
| */ | |
| static void | |
| _transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port, | |
| struct _sas_phy *mpt2sas_phy) | |
| { | |
| u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
| dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
| "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long) | |
| sas_address, mpt2sas_phy->phy_id); | |
| list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list); | |
| mpt2sas_port->num_phys++; | |
| sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
| mpt2sas_phy->phy_belongs_to_port = 1; | |
| } | |
| /** | |
| * _transport_add_phy_to_an_existing_port - adding new phy to existing port | |
| * @ioc: per adapter object | |
| * @sas_node: sas node object (either expander or sas host) | |
| * @mpt2sas_phy: mpt2sas per phy object | |
| * @sas_address: sas address of device/expander were phy needs to be added to | |
| * | |
| * Returns nothing. | |
| */ | |
| static void | |
| _transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
| struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address) | |
| { | |
| struct _sas_port *mpt2sas_port; | |
| struct _sas_phy *phy_srch; | |
| if (mpt2sas_phy->phy_belongs_to_port == 1) | |
| return; | |
| list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list, | |
| port_list) { | |
| if (mpt2sas_port->remote_identify.sas_address != | |
| sas_address) | |
| continue; | |
| list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
| port_siblings) { | |
| if (phy_srch == mpt2sas_phy) | |
| return; | |
| } | |
| _transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy); | |
| return; | |
| } | |
| } | |
| /** | |
| * _transport_del_phy_from_an_existing_port - delete phy from existing port | |
| * @ioc: per adapter object | |
| * @sas_node: sas node object (either expander or sas host) | |
| * @mpt2sas_phy: mpt2sas per phy object | |
| * | |
| * Returns nothing. | |
| */ | |
| static void | |
| _transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
| struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy) | |
| { | |
| struct _sas_port *mpt2sas_port, *next; | |
| struct _sas_phy *phy_srch; | |
| if (mpt2sas_phy->phy_belongs_to_port == 0) | |
| return; | |
| list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, | |
| port_list) { | |
| list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
| port_siblings) { | |
| if (phy_srch != mpt2sas_phy) | |
| continue; | |
| if (mpt2sas_port->num_phys == 1) | |
| _transport_delete_port(ioc, mpt2sas_port); | |
| else | |
| _transport_delete_phy(ioc, mpt2sas_port, | |
| mpt2sas_phy); | |
| return; | |
| } | |
| } | |
| } | |
| /** | |
| * _transport_sanity_check - sanity check when adding a new port | |
| * @ioc: per adapter object | |
| * @sas_node: sas node object (either expander or sas host) | |
| * @sas_address: sas address of device being added | |
| * | |
| * See the explanation above from _transport_delete_duplicate_port | |
| */ | |
| static void | |
| _transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node, | |
| u64 sas_address) | |
| { | |
| int i; | |
| for (i = 0; i < sas_node->num_phys; i++) { | |
| if (sas_node->phy[i].remote_identify.sas_address != sas_address) | |
| continue; | |
| if (sas_node->phy[i].phy_belongs_to_port == 1) | |
| _transport_del_phy_from_an_existing_port(ioc, sas_node, | |
| &sas_node->phy[i]); | |
| } | |
| } | |
| /** | |
| * mpt2sas_transport_port_add - insert port to the list | |
| * @ioc: per adapter object | |
| * @handle: handle of attached device | |
| * @sas_address: sas address of parent expander or sas host | |
| * Context: This function will acquire ioc->sas_node_lock. | |
| * | |
| * Adding new port object to the sas_node->sas_port_list. | |
| * | |
| * Returns mpt2sas_port. | |
| */ | |
| struct _sas_port * | |
| mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
| u64 sas_address) | |
| { | |
| struct _sas_phy *mpt2sas_phy, *next; | |
| struct _sas_port *mpt2sas_port; | |
| unsigned long flags; | |
| struct _sas_node *sas_node; | |
| struct sas_rphy *rphy; | |
| int i; | |
| struct sas_port *port; | |
| mpt2sas_port = kzalloc(sizeof(struct _sas_port), | |
| GFP_KERNEL); | |
| if (!mpt2sas_port) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return NULL; | |
| } | |
| INIT_LIST_HEAD(&mpt2sas_port->port_list); | |
| INIT_LIST_HEAD(&mpt2sas_port->phy_list); | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| if (!sas_node) { | |
| printk(MPT2SAS_ERR_FMT "%s: Could not find " | |
| "parent sas_address(0x%016llx)!\n", ioc->name, | |
| __func__, (unsigned long long)sas_address); | |
| goto out_fail; | |
| } | |
| if ((_transport_set_identify(ioc, handle, | |
| &mpt2sas_port->remote_identify))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| goto out_fail; | |
| } | |
| if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| goto out_fail; | |
| } | |
| _transport_sanity_check(ioc, sas_node, | |
| mpt2sas_port->remote_identify.sas_address); | |
| for (i = 0; i < sas_node->num_phys; i++) { | |
| if (sas_node->phy[i].remote_identify.sas_address != | |
| mpt2sas_port->remote_identify.sas_address) | |
| continue; | |
| list_add_tail(&sas_node->phy[i].port_siblings, | |
| &mpt2sas_port->phy_list); | |
| mpt2sas_port->num_phys++; | |
| } | |
| if (!mpt2sas_port->num_phys) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| goto out_fail; | |
| } | |
| port = sas_port_alloc_num(sas_node->parent_dev); | |
| if ((sas_port_add(port))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| goto out_fail; | |
| } | |
| list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list, | |
| port_siblings) { | |
| if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
| dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)" | |
| ", sas_addr(0x%016llx), phy(%d)\n", handle, | |
| (unsigned long long) | |
| mpt2sas_port->remote_identify.sas_address, | |
| mpt2sas_phy->phy_id); | |
| sas_port_add_phy(port, mpt2sas_phy->phy); | |
| mpt2sas_phy->phy_belongs_to_port = 1; | |
| } | |
| mpt2sas_port->port = port; | |
| if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) | |
| rphy = sas_end_device_alloc(port); | |
| else | |
| rphy = sas_expander_alloc(port, | |
| mpt2sas_port->remote_identify.device_type); | |
| rphy->identify = mpt2sas_port->remote_identify; | |
| if ((sas_rphy_add(rphy))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| } | |
| if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
| dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), " | |
| "sas_addr(0x%016llx)\n", handle, | |
| (unsigned long long) | |
| mpt2sas_port->remote_identify.sas_address); | |
| mpt2sas_port->rphy = rphy; | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list); | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| /* fill in report manufacture */ | |
| if (mpt2sas_port->remote_identify.device_type == | |
| MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
| mpt2sas_port->remote_identify.device_type == | |
| MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) | |
| _transport_expander_report_manufacture(ioc, | |
| mpt2sas_port->remote_identify.sas_address, | |
| rphy_to_expander_device(rphy)); | |
| return mpt2sas_port; | |
| out_fail: | |
| list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list, | |
| port_siblings) | |
| list_del(&mpt2sas_phy->port_siblings); | |
| kfree(mpt2sas_port); | |
| return NULL; | |
| } | |
| /** | |
| * mpt2sas_transport_port_remove - remove port from the list | |
| * @ioc: per adapter object | |
| * @sas_address: sas address of attached device | |
| * @sas_address_parent: sas address of parent expander or sas host | |
| * Context: This function will acquire ioc->sas_node_lock. | |
| * | |
| * Removing object and freeing associated memory from the | |
| * ioc->sas_port_list. | |
| * | |
| * Return nothing. | |
| */ | |
| void | |
| mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
| u64 sas_address_parent) | |
| { | |
| int i; | |
| unsigned long flags; | |
| struct _sas_port *mpt2sas_port, *next; | |
| struct _sas_node *sas_node; | |
| u8 found = 0; | |
| struct _sas_phy *mpt2sas_phy, *next_phy; | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| sas_node = _transport_sas_node_find_by_sas_address(ioc, | |
| sas_address_parent); | |
| if (!sas_node) { | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| return; | |
| } | |
| list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, | |
| port_list) { | |
| if (mpt2sas_port->remote_identify.sas_address != sas_address) | |
| continue; | |
| found = 1; | |
| list_del(&mpt2sas_port->port_list); | |
| goto out; | |
| } | |
| out: | |
| if (!found) { | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| return; | |
| } | |
| for (i = 0; i < sas_node->num_phys; i++) { | |
| if (sas_node->phy[i].remote_identify.sas_address == sas_address) | |
| memset(&sas_node->phy[i].remote_identify, 0 , | |
| sizeof(struct sas_identify)); | |
| } | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| list_for_each_entry_safe(mpt2sas_phy, next_phy, | |
| &mpt2sas_port->phy_list, port_siblings) { | |
| if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
| dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
| "remove: sas_addr(0x%016llx), phy(%d)\n", | |
| (unsigned long long) | |
| mpt2sas_port->remote_identify.sas_address, | |
| mpt2sas_phy->phy_id); | |
| mpt2sas_phy->phy_belongs_to_port = 0; | |
| sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
| list_del(&mpt2sas_phy->port_siblings); | |
| } | |
| sas_port_delete(mpt2sas_port->port); | |
| kfree(mpt2sas_port); | |
| } | |
| /** | |
| * mpt2sas_transport_add_host_phy - report sas_host phy to transport | |
| * @ioc: per adapter object | |
| * @mpt2sas_phy: mpt2sas per phy object | |
| * @phy_pg0: sas phy page 0 | |
| * @parent_dev: parent device class object | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| int | |
| mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
| *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev) | |
| { | |
| struct sas_phy *phy; | |
| int phy_index = mpt2sas_phy->phy_id; | |
| INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
| phy = sas_phy_alloc(parent_dev, phy_index); | |
| if (!phy) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return -1; | |
| } | |
| if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
| &mpt2sas_phy->identify))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return -1; | |
| } | |
| phy->identify = mpt2sas_phy->identify; | |
| mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle); | |
| if (mpt2sas_phy->attached_handle) | |
| _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
| &mpt2sas_phy->remote_identify); | |
| phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
| phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
| phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
| phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
| phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
| phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
| phy_pg0.HwLinkRate >> 4); | |
| phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
| phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
| phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
| phy_pg0.ProgrammedLinkRate >> 4); | |
| if ((sas_phy_add(phy))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| sas_phy_free(phy); | |
| return -1; | |
| } | |
| if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
| dev_printk(KERN_INFO, &phy->dev, | |
| "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
| "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
| mpt2sas_phy->handle, (unsigned long long) | |
| mpt2sas_phy->identify.sas_address, | |
| mpt2sas_phy->attached_handle, | |
| (unsigned long long) | |
| mpt2sas_phy->remote_identify.sas_address); | |
| mpt2sas_phy->phy = phy; | |
| return 0; | |
| } | |
| /** | |
| * mpt2sas_transport_add_expander_phy - report expander phy to transport | |
| * @ioc: per adapter object | |
| * @mpt2sas_phy: mpt2sas per phy object | |
| * @expander_pg1: expander page 1 | |
| * @parent_dev: parent device class object | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| int | |
| mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
| *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev) | |
| { | |
| struct sas_phy *phy; | |
| int phy_index = mpt2sas_phy->phy_id; | |
| INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
| phy = sas_phy_alloc(parent_dev, phy_index); | |
| if (!phy) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return -1; | |
| } | |
| if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
| &mpt2sas_phy->identify))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return -1; | |
| } | |
| phy->identify = mpt2sas_phy->identify; | |
| mpt2sas_phy->attached_handle = | |
| le16_to_cpu(expander_pg1.AttachedDevHandle); | |
| if (mpt2sas_phy->attached_handle) | |
| _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
| &mpt2sas_phy->remote_identify); | |
| phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
| phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
| expander_pg1.NegotiatedLinkRate & | |
| MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
| phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
| expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
| phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
| expander_pg1.HwLinkRate >> 4); | |
| phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
| expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
| phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
| expander_pg1.ProgrammedLinkRate >> 4); | |
| if ((sas_phy_add(phy))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| sas_phy_free(phy); | |
| return -1; | |
| } | |
| if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
| dev_printk(KERN_INFO, &phy->dev, | |
| "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
| "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
| mpt2sas_phy->handle, (unsigned long long) | |
| mpt2sas_phy->identify.sas_address, | |
| mpt2sas_phy->attached_handle, | |
| (unsigned long long) | |
| mpt2sas_phy->remote_identify.sas_address); | |
| mpt2sas_phy->phy = phy; | |
| return 0; | |
| } | |
| /** | |
| * mpt2sas_transport_update_links - refreshing phy link changes | |
| * @ioc: per adapter object | |
| * @sas_address: sas address of parent expander or sas host | |
| * @handle: attached device handle | |
| * @phy_numberv: phy number | |
| * @link_rate: new link rate | |
| * | |
| * Returns nothing. | |
| */ | |
| void | |
| mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, | |
| u64 sas_address, u16 handle, u8 phy_number, u8 link_rate) | |
| { | |
| unsigned long flags; | |
| struct _sas_node *sas_node; | |
| struct _sas_phy *mpt2sas_phy; | |
| if (ioc->shost_recovery || ioc->pci_error_recovery) | |
| return; | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); | |
| if (!sas_node) { | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| return; | |
| } | |
| mpt2sas_phy = &sas_node->phy[phy_number]; | |
| mpt2sas_phy->attached_handle = handle; | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) { | |
| _transport_set_identify(ioc, handle, | |
| &mpt2sas_phy->remote_identify); | |
| _transport_add_phy_to_an_existing_port(ioc, sas_node, | |
| mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address); | |
| } else | |
| memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct | |
| sas_identify)); | |
| if (mpt2sas_phy->phy) | |
| mpt2sas_phy->phy->negotiated_linkrate = | |
| _transport_convert_phy_link_rate(link_rate); | |
| if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
| dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
| "refresh: parent sas_addr(0x%016llx),\n" | |
| "\tlink_rate(0x%02x), phy(%d)\n" | |
| "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
| (unsigned long long)sas_address, | |
| link_rate, phy_number, handle, (unsigned long long) | |
| mpt2sas_phy->remote_identify.sas_address); | |
| } | |
| static inline void * | |
| phy_to_ioc(struct sas_phy *phy) | |
| { | |
| struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); | |
| return shost_priv(shost); | |
| } | |
| static inline void * | |
| rphy_to_ioc(struct sas_rphy *rphy) | |
| { | |
| struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); | |
| return shost_priv(shost); | |
| } | |
| /* report phy error log structure */ | |
| struct phy_error_log_request{ | |
| u8 smp_frame_type; /* 0x40 */ | |
| u8 function; /* 0x11 */ | |
| u8 allocated_response_length; | |
| u8 request_length; /* 02 */ | |
| u8 reserved_1[5]; | |
| u8 phy_identifier; | |
| u8 reserved_2[2]; | |
| }; | |
| /* report phy error log reply structure */ | |
| struct phy_error_log_reply{ | |
| u8 smp_frame_type; /* 0x41 */ | |
| u8 function; /* 0x11 */ | |
| u8 function_result; | |
| u8 response_length; | |
| __be16 expander_change_count; | |
| u8 reserved_1[3]; | |
| u8 phy_identifier; | |
| u8 reserved_2[2]; | |
| __be32 invalid_dword; | |
| __be32 running_disparity_error; | |
| __be32 loss_of_dword_sync; | |
| __be32 phy_reset_problem; | |
| }; | |
| /** | |
| * _transport_get_expander_phy_error_log - return expander counters | |
| * @ioc: per adapter object | |
| * @phy: The sas phy object | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| * | |
| */ | |
| static int | |
| _transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc, | |
| struct sas_phy *phy) | |
| { | |
| Mpi2SmpPassthroughRequest_t *mpi_request; | |
| Mpi2SmpPassthroughReply_t *mpi_reply; | |
| struct phy_error_log_request *phy_error_log_request; | |
| struct phy_error_log_reply *phy_error_log_reply; | |
| int rc; | |
| u16 smid; | |
| u32 ioc_state; | |
| unsigned long timeleft; | |
| void *psge; | |
| u32 sgl_flags; | |
| u8 issue_reset = 0; | |
| void *data_out = NULL; | |
| dma_addr_t data_out_dma; | |
| u32 sz; | |
| u16 wait_state_count; | |
| if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
| printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
| __func__, ioc->name); | |
| return -EFAULT; | |
| } | |
| mutex_lock(&ioc->transport_cmds.mutex); | |
| if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
| printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
| ioc->name, __func__); | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
| wait_state_count = 0; | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
| if (wait_state_count++ == 10) { | |
| printk(MPT2SAS_ERR_FMT | |
| "%s: failed due to ioc not operational\n", | |
| ioc->name, __func__); | |
| rc = -EFAULT; | |
| goto out; | |
| } | |
| ssleep(1); | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
| "operational state(count=%d)\n", ioc->name, | |
| __func__, wait_state_count); | |
| } | |
| if (wait_state_count) | |
| printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
| ioc->name, __func__); | |
| smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
| if (!smid) { | |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
| ioc->name, __func__); | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
| ioc->transport_cmds.smid = smid; | |
| sz = sizeof(struct phy_error_log_request) + | |
| sizeof(struct phy_error_log_reply); | |
| data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
| if (!data_out) { | |
| printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
| __LINE__, __func__); | |
| rc = -ENOMEM; | |
| mpt2sas_base_free_smid(ioc, smid); | |
| goto out; | |
| } | |
| rc = -EINVAL; | |
| memset(data_out, 0, sz); | |
| phy_error_log_request = data_out; | |
| phy_error_log_request->smp_frame_type = 0x40; | |
| phy_error_log_request->function = 0x11; | |
| phy_error_log_request->request_length = 2; | |
| phy_error_log_request->allocated_response_length = 0; | |
| phy_error_log_request->phy_identifier = phy->number; | |
| memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
| mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
| mpi_request->PhysicalPort = 0xFF; | |
| mpi_request->VF_ID = 0; /* TODO */ | |
| mpi_request->VP_ID = 0; | |
| mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); | |
| mpi_request->RequestDataLength = | |
| cpu_to_le16(sizeof(struct phy_error_log_request)); | |
| psge = &mpi_request->SGL; | |
| /* WRITE sgel first */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| sizeof(struct phy_error_log_request), data_out_dma); | |
| /* incr sgel */ | |
| psge += ioc->sge_size; | |
| /* READ sgel last */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
| MPI2_SGE_FLAGS_END_OF_LIST); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| sizeof(struct phy_error_log_reply), data_out_dma + | |
| sizeof(struct phy_error_log_request)); | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
| "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name, | |
| (unsigned long long)phy->identify.sas_address, phy->number)); | |
| init_completion(&ioc->transport_cmds.done); | |
| mpt2sas_base_put_smid_default(ioc, smid); | |
| timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
| 10*HZ); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
| printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
| ioc->name, __func__); | |
| _debug_dump_mf(mpi_request, | |
| sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
| issue_reset = 1; | |
| goto issue_host_reset; | |
| } | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
| "complete\n", ioc->name)); | |
| if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
| mpi_reply = ioc->transport_cmds.reply; | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "phy_error_log - reply data transfer size(%d)\n", | |
| ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
| if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
| sizeof(struct phy_error_log_reply)) | |
| goto out; | |
| phy_error_log_reply = data_out + | |
| sizeof(struct phy_error_log_request); | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "phy_error_log - function_result(%d)\n", | |
| ioc->name, phy_error_log_reply->function_result)); | |
| phy->invalid_dword_count = | |
| be32_to_cpu(phy_error_log_reply->invalid_dword); | |
| phy->running_disparity_error_count = | |
| be32_to_cpu(phy_error_log_reply->running_disparity_error); | |
| phy->loss_of_dword_sync_count = | |
| be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); | |
| phy->phy_reset_problem_count = | |
| be32_to_cpu(phy_error_log_reply->phy_reset_problem); | |
| rc = 0; | |
| } else | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "phy_error_log - no reply\n", ioc->name)); | |
| issue_host_reset: | |
| if (issue_reset) | |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
| FORCE_BIG_HAMMER); | |
| out: | |
| ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
| if (data_out) | |
| pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
| mutex_unlock(&ioc->transport_cmds.mutex); | |
| return rc; | |
| } | |
| /** | |
| * _transport_get_linkerrors - return phy counters for both hba and expanders | |
| * @phy: The sas phy object | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| * | |
| */ | |
| static int | |
| _transport_get_linkerrors(struct sas_phy *phy) | |
| { | |
| struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
| unsigned long flags; | |
| Mpi2ConfigReply_t mpi_reply; | |
| Mpi2SasPhyPage1_t phy_pg1; | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| if (_transport_sas_node_find_by_sas_address(ioc, | |
| phy->identify.sas_address) == NULL) { | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| return -EINVAL; | |
| } | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
| return _transport_get_expander_phy_error_log(ioc, phy); | |
| /* get hba phy error logs */ | |
| if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, | |
| phy->number))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return -ENXIO; | |
| } | |
| if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
| printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
| "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
| phy->number, le16_to_cpu(mpi_reply.IOCStatus), | |
| le32_to_cpu(mpi_reply.IOCLogInfo)); | |
| phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); | |
| phy->running_disparity_error_count = | |
| le32_to_cpu(phy_pg1.RunningDisparityErrorCount); | |
| phy->loss_of_dword_sync_count = | |
| le32_to_cpu(phy_pg1.LossDwordSynchCount); | |
| phy->phy_reset_problem_count = | |
| le32_to_cpu(phy_pg1.PhyResetProblemCount); | |
| return 0; | |
| } | |
| /** | |
| * _transport_get_enclosure_identifier - | |
| * @phy: The sas phy object | |
| * | |
| * Obtain the enclosure logical id for an expander. | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| static int | |
| _transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) | |
| { | |
| struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
| struct _sas_device *sas_device; | |
| unsigned long flags; | |
| int rc; | |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
| sas_device = __mpt2sas_get_sdev_by_addr(ioc, | |
| rphy->identify.sas_address); | |
| if (sas_device) { | |
| *identifier = sas_device->enclosure_logical_id; | |
| rc = 0; | |
| sas_device_put(sas_device); | |
| } else { | |
| *identifier = 0; | |
| rc = -ENXIO; | |
| } | |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
| return rc; | |
| } | |
| /** | |
| * _transport_get_bay_identifier - | |
| * @phy: The sas phy object | |
| * | |
| * Returns the slot id for a device that resides inside an enclosure. | |
| */ | |
| static int | |
| _transport_get_bay_identifier(struct sas_rphy *rphy) | |
| { | |
| struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
| struct _sas_device *sas_device; | |
| unsigned long flags; | |
| int rc; | |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
| sas_device = __mpt2sas_get_sdev_by_addr(ioc, | |
| rphy->identify.sas_address); | |
| if (sas_device) { | |
| rc = sas_device->slot; | |
| sas_device_put(sas_device); | |
| } else { | |
| rc = -ENXIO; | |
| } | |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
| return rc; | |
| } | |
| /* phy control request structure */ | |
| struct phy_control_request{ | |
| u8 smp_frame_type; /* 0x40 */ | |
| u8 function; /* 0x91 */ | |
| u8 allocated_response_length; | |
| u8 request_length; /* 0x09 */ | |
| u16 expander_change_count; | |
| u8 reserved_1[3]; | |
| u8 phy_identifier; | |
| u8 phy_operation; | |
| u8 reserved_2[13]; | |
| u64 attached_device_name; | |
| u8 programmed_min_physical_link_rate; | |
| u8 programmed_max_physical_link_rate; | |
| u8 reserved_3[6]; | |
| }; | |
| /* phy control reply structure */ | |
| struct phy_control_reply{ | |
| u8 smp_frame_type; /* 0x41 */ | |
| u8 function; /* 0x11 */ | |
| u8 function_result; | |
| u8 response_length; | |
| }; | |
| #define SMP_PHY_CONTROL_LINK_RESET (0x01) | |
| #define SMP_PHY_CONTROL_HARD_RESET (0x02) | |
| #define SMP_PHY_CONTROL_DISABLE (0x03) | |
| /** | |
| * _transport_expander_phy_control - expander phy control | |
| * @ioc: per adapter object | |
| * @phy: The sas phy object | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| * | |
| */ | |
| static int | |
| _transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc, | |
| struct sas_phy *phy, u8 phy_operation) | |
| { | |
| Mpi2SmpPassthroughRequest_t *mpi_request; | |
| Mpi2SmpPassthroughReply_t *mpi_reply; | |
| struct phy_control_request *phy_control_request; | |
| struct phy_control_reply *phy_control_reply; | |
| int rc; | |
| u16 smid; | |
| u32 ioc_state; | |
| unsigned long timeleft; | |
| void *psge; | |
| u32 sgl_flags; | |
| u8 issue_reset = 0; | |
| void *data_out = NULL; | |
| dma_addr_t data_out_dma; | |
| u32 sz; | |
| u16 wait_state_count; | |
| if (ioc->shost_recovery) { | |
| printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
| __func__, ioc->name); | |
| return -EFAULT; | |
| } | |
| mutex_lock(&ioc->transport_cmds.mutex); | |
| if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
| printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
| ioc->name, __func__); | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
| wait_state_count = 0; | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
| if (wait_state_count++ == 10) { | |
| printk(MPT2SAS_ERR_FMT | |
| "%s: failed due to ioc not operational\n", | |
| ioc->name, __func__); | |
| rc = -EFAULT; | |
| goto out; | |
| } | |
| ssleep(1); | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
| "operational state(count=%d)\n", ioc->name, | |
| __func__, wait_state_count); | |
| } | |
| if (wait_state_count) | |
| printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
| ioc->name, __func__); | |
| smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
| if (!smid) { | |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
| ioc->name, __func__); | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
| ioc->transport_cmds.smid = smid; | |
| sz = sizeof(struct phy_control_request) + | |
| sizeof(struct phy_control_reply); | |
| data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
| if (!data_out) { | |
| printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
| __LINE__, __func__); | |
| rc = -ENOMEM; | |
| mpt2sas_base_free_smid(ioc, smid); | |
| goto out; | |
| } | |
| rc = -EINVAL; | |
| memset(data_out, 0, sz); | |
| phy_control_request = data_out; | |
| phy_control_request->smp_frame_type = 0x40; | |
| phy_control_request->function = 0x91; | |
| phy_control_request->request_length = 9; | |
| phy_control_request->allocated_response_length = 0; | |
| phy_control_request->phy_identifier = phy->number; | |
| phy_control_request->phy_operation = phy_operation; | |
| phy_control_request->programmed_min_physical_link_rate = | |
| phy->minimum_linkrate << 4; | |
| phy_control_request->programmed_max_physical_link_rate = | |
| phy->maximum_linkrate << 4; | |
| memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
| mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
| mpi_request->PhysicalPort = 0xFF; | |
| mpi_request->VF_ID = 0; /* TODO */ | |
| mpi_request->VP_ID = 0; | |
| mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); | |
| mpi_request->RequestDataLength = | |
| cpu_to_le16(sizeof(struct phy_error_log_request)); | |
| psge = &mpi_request->SGL; | |
| /* WRITE sgel first */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| sizeof(struct phy_control_request), data_out_dma); | |
| /* incr sgel */ | |
| psge += ioc->sge_size; | |
| /* READ sgel last */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
| MPI2_SGE_FLAGS_END_OF_LIST); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| sizeof(struct phy_control_reply), data_out_dma + | |
| sizeof(struct phy_control_request)); | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
| "send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name, | |
| (unsigned long long)phy->identify.sas_address, phy->number, | |
| phy_operation)); | |
| init_completion(&ioc->transport_cmds.done); | |
| mpt2sas_base_put_smid_default(ioc, smid); | |
| timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
| 10*HZ); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
| printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
| ioc->name, __func__); | |
| _debug_dump_mf(mpi_request, | |
| sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
| issue_reset = 1; | |
| goto issue_host_reset; | |
| } | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
| "complete\n", ioc->name)); | |
| if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
| mpi_reply = ioc->transport_cmds.reply; | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "phy_control - reply data transfer size(%d)\n", | |
| ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
| if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
| sizeof(struct phy_control_reply)) | |
| goto out; | |
| phy_control_reply = data_out + | |
| sizeof(struct phy_control_request); | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "phy_control - function_result(%d)\n", | |
| ioc->name, phy_control_reply->function_result)); | |
| rc = 0; | |
| } else | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "phy_control - no reply\n", ioc->name)); | |
| issue_host_reset: | |
| if (issue_reset) | |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
| FORCE_BIG_HAMMER); | |
| out: | |
| ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
| if (data_out) | |
| pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
| mutex_unlock(&ioc->transport_cmds.mutex); | |
| return rc; | |
| } | |
| /** | |
| * _transport_phy_reset - | |
| * @phy: The sas phy object | |
| * @hard_reset: | |
| * | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| static int | |
| _transport_phy_reset(struct sas_phy *phy, int hard_reset) | |
| { | |
| struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
| Mpi2SasIoUnitControlReply_t mpi_reply; | |
| Mpi2SasIoUnitControlRequest_t mpi_request; | |
| unsigned long flags; | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| if (_transport_sas_node_find_by_sas_address(ioc, | |
| phy->identify.sas_address) == NULL) { | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| return -EINVAL; | |
| } | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| /* handle expander phys */ | |
| if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
| return _transport_expander_phy_control(ioc, phy, | |
| (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET : | |
| SMP_PHY_CONTROL_LINK_RESET); | |
| /* handle hba phys */ | |
| memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t)); | |
| mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
| mpi_request.Operation = hard_reset ? | |
| MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET; | |
| mpi_request.PhyNum = phy->number; | |
| if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| return -ENXIO; | |
| } | |
| if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
| printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
| "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
| phy->number, le16_to_cpu(mpi_reply.IOCStatus), | |
| le32_to_cpu(mpi_reply.IOCLogInfo)); | |
| return 0; | |
| } | |
| /** | |
| * _transport_phy_enable - enable/disable phys | |
| * @phy: The sas phy object | |
| * @enable: enable phy when true | |
| * | |
| * Only support sas_host direct attached phys. | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| static int | |
| _transport_phy_enable(struct sas_phy *phy, int enable) | |
| { | |
| struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
| Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
| Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
| Mpi2ConfigReply_t mpi_reply; | |
| u16 ioc_status; | |
| u16 sz; | |
| int rc = 0; | |
| unsigned long flags; | |
| int i, discovery_active; | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| if (_transport_sas_node_find_by_sas_address(ioc, | |
| phy->identify.sas_address) == NULL) { | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| return -EINVAL; | |
| } | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| /* handle expander phys */ | |
| if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
| return _transport_expander_phy_control(ioc, phy, | |
| (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET : | |
| SMP_PHY_CONTROL_DISABLE); | |
| /* handle hba phys */ | |
| /* read sas_iounit page 0 */ | |
| sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
| sizeof(Mpi2SasIOUnit0PhyData_t)); | |
| sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
| if (!sas_iounit_pg0) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -ENOMEM; | |
| goto out; | |
| } | |
| if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
| sas_iounit_pg0, sz))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -ENXIO; | |
| goto out; | |
| } | |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
| MPI2_IOCSTATUS_MASK; | |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -EIO; | |
| goto out; | |
| } | |
| /* unable to enable/disable phys when when discovery is active */ | |
| for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) { | |
| if (sas_iounit_pg0->PhyData[i].PortFlags & | |
| MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) { | |
| printk(MPT2SAS_ERR_FMT "discovery is active on " | |
| "port = %d, phy = %d: unable to enable/disable " | |
| "phys, try again later!\n", ioc->name, | |
| sas_iounit_pg0->PhyData[i].Port, i); | |
| discovery_active = 1; | |
| } | |
| } | |
| if (discovery_active) { | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| /* read sas_iounit page 1 */ | |
| sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
| sizeof(Mpi2SasIOUnit1PhyData_t)); | |
| sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
| if (!sas_iounit_pg1) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -ENOMEM; | |
| goto out; | |
| } | |
| if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
| sas_iounit_pg1, sz))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -ENXIO; | |
| goto out; | |
| } | |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
| MPI2_IOCSTATUS_MASK; | |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -EIO; | |
| goto out; | |
| } | |
| /* copy Port/PortFlags/PhyFlags from page 0 */ | |
| for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
| sas_iounit_pg1->PhyData[i].Port = | |
| sas_iounit_pg0->PhyData[i].Port; | |
| sas_iounit_pg1->PhyData[i].PortFlags = | |
| (sas_iounit_pg0->PhyData[i].PortFlags & | |
| MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG); | |
| sas_iounit_pg1->PhyData[i].PhyFlags = | |
| (sas_iounit_pg0->PhyData[i].PhyFlags & | |
| (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED + | |
| MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED)); | |
| } | |
| if (enable) | |
| sas_iounit_pg1->PhyData[phy->number].PhyFlags | |
| &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; | |
| else | |
| sas_iounit_pg1->PhyData[phy->number].PhyFlags | |
| |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; | |
| mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz); | |
| /* link reset */ | |
| if (enable) | |
| _transport_phy_reset(phy, 0); | |
| out: | |
| kfree(sas_iounit_pg1); | |
| kfree(sas_iounit_pg0); | |
| return rc; | |
| } | |
| /** | |
| * _transport_phy_speed - set phy min/max link rates | |
| * @phy: The sas phy object | |
| * @rates: rates defined in sas_phy_linkrates | |
| * | |
| * Only support sas_host direct attached phys. | |
| * Returns 0 for success, non-zero for failure. | |
| */ | |
| static int | |
| _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) | |
| { | |
| struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
| Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
| Mpi2SasPhyPage0_t phy_pg0; | |
| Mpi2ConfigReply_t mpi_reply; | |
| u16 ioc_status; | |
| u16 sz; | |
| int i; | |
| int rc = 0; | |
| unsigned long flags; | |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
| if (_transport_sas_node_find_by_sas_address(ioc, | |
| phy->identify.sas_address) == NULL) { | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| return -EINVAL; | |
| } | |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
| if (!rates->minimum_linkrate) | |
| rates->minimum_linkrate = phy->minimum_linkrate; | |
| else if (rates->minimum_linkrate < phy->minimum_linkrate_hw) | |
| rates->minimum_linkrate = phy->minimum_linkrate_hw; | |
| if (!rates->maximum_linkrate) | |
| rates->maximum_linkrate = phy->maximum_linkrate; | |
| else if (rates->maximum_linkrate > phy->maximum_linkrate_hw) | |
| rates->maximum_linkrate = phy->maximum_linkrate_hw; | |
| /* handle expander phys */ | |
| if (phy->identify.sas_address != ioc->sas_hba.sas_address) { | |
| phy->minimum_linkrate = rates->minimum_linkrate; | |
| phy->maximum_linkrate = rates->maximum_linkrate; | |
| return _transport_expander_phy_control(ioc, phy, | |
| SMP_PHY_CONTROL_LINK_RESET); | |
| } | |
| /* handle hba phys */ | |
| /* sas_iounit page 1 */ | |
| sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
| sizeof(Mpi2SasIOUnit1PhyData_t)); | |
| sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
| if (!sas_iounit_pg1) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -ENOMEM; | |
| goto out; | |
| } | |
| if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
| sas_iounit_pg1, sz))) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -ENXIO; | |
| goto out; | |
| } | |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
| MPI2_IOCSTATUS_MASK; | |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -EIO; | |
| goto out; | |
| } | |
| for (i = 0; i < ioc->sas_hba.num_phys; i++) { | |
| if (phy->number != i) { | |
| sas_iounit_pg1->PhyData[i].MaxMinLinkRate = | |
| (ioc->sas_hba.phy[i].phy->minimum_linkrate + | |
| (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4)); | |
| } else { | |
| sas_iounit_pg1->PhyData[i].MaxMinLinkRate = | |
| (rates->minimum_linkrate + | |
| (rates->maximum_linkrate << 4)); | |
| } | |
| } | |
| if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
| sz)) { | |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
| ioc->name, __FILE__, __LINE__, __func__); | |
| rc = -ENXIO; | |
| goto out; | |
| } | |
| /* link reset */ | |
| _transport_phy_reset(phy, 0); | |
| /* read phy page 0, then update the rates in the sas transport phy */ | |
| if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
| phy->number)) { | |
| phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
| phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
| phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
| phy_pg0.ProgrammedLinkRate >> 4); | |
| phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
| phy_pg0.NegotiatedLinkRate & | |
| MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
| } | |
| out: | |
| kfree(sas_iounit_pg1); | |
| return rc; | |
| } | |
| /** | |
| * _transport_smp_handler - transport portal for smp passthru | |
| * @shost: shost object | |
| * @rphy: sas transport rphy object | |
| * @req: | |
| * | |
| * This used primarily for smp_utils. | |
| * Example: | |
| * smp_rep_general /sys/class/bsg/expander-5:0 | |
| */ | |
| static int | |
| _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, | |
| struct request *req) | |
| { | |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
| Mpi2SmpPassthroughRequest_t *mpi_request; | |
| Mpi2SmpPassthroughReply_t *mpi_reply; | |
| int rc; | |
| u16 smid; | |
| u32 ioc_state; | |
| unsigned long timeleft; | |
| void *psge; | |
| u32 sgl_flags; | |
| u8 issue_reset = 0; | |
| dma_addr_t dma_addr_in = 0; | |
| dma_addr_t dma_addr_out = 0; | |
| dma_addr_t pci_dma_in = 0; | |
| dma_addr_t pci_dma_out = 0; | |
| void *pci_addr_in = NULL; | |
| void *pci_addr_out = NULL; | |
| u16 wait_state_count; | |
| struct request *rsp = req->next_rq; | |
| struct bio_vec bvec; | |
| struct bvec_iter iter; | |
| if (!rsp) { | |
| printk(MPT2SAS_ERR_FMT "%s: the smp response space is " | |
| "missing\n", ioc->name, __func__); | |
| return -EINVAL; | |
| } | |
| if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
| printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
| __func__, ioc->name); | |
| return -EFAULT; | |
| } | |
| rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); | |
| if (rc) | |
| return rc; | |
| if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
| printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name, | |
| __func__); | |
| rc = -EAGAIN; | |
| goto out; | |
| } | |
| ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
| /* Check if the request is split across multiple segments */ | |
| if (bio_multiple_segments(req->bio)) { | |
| u32 offset = 0; | |
| /* Allocate memory and copy the request */ | |
| pci_addr_out = pci_alloc_consistent(ioc->pdev, | |
| blk_rq_bytes(req), &pci_dma_out); | |
| if (!pci_addr_out) { | |
| printk(MPT2SAS_INFO_FMT "%s(): PCI Addr out = NULL\n", | |
| ioc->name, __func__); | |
| rc = -ENOMEM; | |
| goto out; | |
| } | |
| bio_for_each_segment(bvec, req->bio, iter) { | |
| memcpy(pci_addr_out + offset, | |
| page_address(bvec.bv_page) + bvec.bv_offset, | |
| bvec.bv_len); | |
| offset += bvec.bv_len; | |
| } | |
| } else { | |
| dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio), | |
| blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); | |
| if (!dma_addr_out) { | |
| printk(MPT2SAS_INFO_FMT "%s(): DMA Addr out = NULL\n", | |
| ioc->name, __func__); | |
| rc = -ENOMEM; | |
| goto free_pci; | |
| } | |
| } | |
| /* Check if the response needs to be populated across | |
| * multiple segments */ | |
| if (bio_multiple_segments(rsp->bio)) { | |
| pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp), | |
| &pci_dma_in); | |
| if (!pci_addr_in) { | |
| printk(MPT2SAS_INFO_FMT "%s(): PCI Addr in = NULL\n", | |
| ioc->name, __func__); | |
| rc = -ENOMEM; | |
| goto unmap; | |
| } | |
| } else { | |
| dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio), | |
| blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); | |
| if (!dma_addr_in) { | |
| printk(MPT2SAS_INFO_FMT "%s(): DMA Addr in = NULL\n", | |
| ioc->name, __func__); | |
| rc = -ENOMEM; | |
| goto unmap; | |
| } | |
| } | |
| wait_state_count = 0; | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
| if (wait_state_count++ == 10) { | |
| printk(MPT2SAS_ERR_FMT | |
| "%s: failed due to ioc not operational\n", | |
| ioc->name, __func__); | |
| rc = -EFAULT; | |
| goto unmap; | |
| } | |
| ssleep(1); | |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
| printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
| "operational state(count=%d)\n", ioc->name, | |
| __func__, wait_state_count); | |
| } | |
| if (wait_state_count) | |
| printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
| ioc->name, __func__); | |
| smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
| if (!smid) { | |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
| ioc->name, __func__); | |
| rc = -EAGAIN; | |
| goto unmap; | |
| } | |
| rc = 0; | |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
| ioc->transport_cmds.smid = smid; | |
| memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
| mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
| mpi_request->PhysicalPort = 0xFF; | |
| mpi_request->VF_ID = 0; /* TODO */ | |
| mpi_request->VP_ID = 0; | |
| mpi_request->SASAddress = (rphy) ? | |
| cpu_to_le64(rphy->identify.sas_address) : | |
| cpu_to_le64(ioc->sas_hba.sas_address); | |
| mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); | |
| psge = &mpi_request->SGL; | |
| /* WRITE sgel first */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| if (bio_multiple_segments(req->bio)) { | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| (blk_rq_bytes(req) - 4), pci_dma_out); | |
| } else { | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| (blk_rq_bytes(req) - 4), dma_addr_out); | |
| } | |
| /* incr sgel */ | |
| psge += ioc->sge_size; | |
| /* READ sgel last */ | |
| sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
| MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
| MPI2_SGE_FLAGS_END_OF_LIST); | |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
| if (bio_multiple_segments(rsp->bio)) { | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| (blk_rq_bytes(rsp) + 4), pci_dma_in); | |
| } else { | |
| ioc->base_add_sg_single(psge, sgl_flags | | |
| (blk_rq_bytes(rsp) + 4), dma_addr_in); | |
| } | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " | |
| "sending smp request\n", ioc->name, __func__)); | |
| init_completion(&ioc->transport_cmds.done); | |
| mpt2sas_base_put_smid_default(ioc, smid); | |
| timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
| 10*HZ); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
| printk(MPT2SAS_ERR_FMT "%s : timeout\n", | |
| __func__, ioc->name); | |
| _debug_dump_mf(mpi_request, | |
| sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
| if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
| issue_reset = 1; | |
| goto issue_host_reset; | |
| } | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " | |
| "complete\n", ioc->name, __func__)); | |
| if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
| mpi_reply = ioc->transport_cmds.reply; | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "%s - reply data transfer size(%d)\n", | |
| ioc->name, __func__, | |
| le16_to_cpu(mpi_reply->ResponseDataLength))); | |
| memcpy(req->sense, mpi_reply, sizeof(*mpi_reply)); | |
| req->sense_len = sizeof(*mpi_reply); | |
| req->resid_len = 0; | |
| rsp->resid_len -= | |
| le16_to_cpu(mpi_reply->ResponseDataLength); | |
| /* check if the resp needs to be copied from the allocated | |
| * pci mem */ | |
| if (bio_multiple_segments(rsp->bio)) { | |
| u32 offset = 0; | |
| u32 bytes_to_copy = | |
| le16_to_cpu(mpi_reply->ResponseDataLength); | |
| bio_for_each_segment(bvec, rsp->bio, iter) { | |
| if (bytes_to_copy <= bvec.bv_len) { | |
| memcpy(page_address(bvec.bv_page) + | |
| bvec.bv_offset, pci_addr_in + | |
| offset, bytes_to_copy); | |
| break; | |
| } else { | |
| memcpy(page_address(bvec.bv_page) + | |
| bvec.bv_offset, pci_addr_in + | |
| offset, bvec.bv_len); | |
| bytes_to_copy -= bvec.bv_len; | |
| } | |
| offset += bvec.bv_len; | |
| } | |
| } | |
| } else { | |
| dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
| "%s - no reply\n", ioc->name, __func__)); | |
| rc = -ENXIO; | |
| } | |
| issue_host_reset: | |
| if (issue_reset) { | |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
| FORCE_BIG_HAMMER); | |
| rc = -ETIMEDOUT; | |
| } | |
| unmap: | |
| if (dma_addr_out) | |
| pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req), | |
| PCI_DMA_BIDIRECTIONAL); | |
| if (dma_addr_in) | |
| pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp), | |
| PCI_DMA_BIDIRECTIONAL); | |
| free_pci: | |
| if (pci_addr_out) | |
| pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out, | |
| pci_dma_out); | |
| if (pci_addr_in) | |
| pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in, | |
| pci_dma_in); | |
| out: | |
| ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
| mutex_unlock(&ioc->transport_cmds.mutex); | |
| return rc; | |
| } | |
| struct sas_function_template mpt2sas_transport_functions = { | |
| .get_linkerrors = _transport_get_linkerrors, | |
| .get_enclosure_identifier = _transport_get_enclosure_identifier, | |
| .get_bay_identifier = _transport_get_bay_identifier, | |
| .phy_reset = _transport_phy_reset, | |
| .phy_enable = _transport_phy_enable, | |
| .set_phy_speed = _transport_phy_speed, | |
| .smp_handler = _transport_smp_handler, | |
| }; | |
| struct scsi_transport_template *mpt2sas_transport_template; |