1dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/* 2dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver 3dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 4dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Copyright (c) 2008-2009 USI Co., Ltd. 5dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * All rights reserved. 6dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 7dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Redistribution and use in source and binary forms, with or without 8dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * modification, are permitted provided that the following conditions 9dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * are met: 10dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 1. Redistributions of source code must retain the above copyright 11dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * notice, this list of conditions, and the following disclaimer, 12dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * without modification. 13dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * substantially similar to the "NO WARRANTY" disclaimer below 15dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * ("Disclaimer") and any redistribution must be conditioned upon 16dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * including a substantially similar Disclaimer requirement for further 17dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * binary redistribution. 18dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 3. Neither the names of the above-listed copyright holders nor the names 19dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * of any contributors may be used to endorse or promote products derived 20dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * from this software without specific prior written permission. 21dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 22dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Alternatively, this software may be distributed under the terms of the 23dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * GNU General Public License ("GPL") version 2 as published by the Free 24dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Software Foundation. 25dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 26dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * NO WARRANTY 27dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 30dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 35dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 36dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * POSSIBILITY OF SUCH DAMAGES. 38dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 39dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 40dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 415a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 42dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#include "pm8001_sas.h" 43dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#include "pm8001_chips.h" 44dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 45dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic struct scsi_transport_template *pm8001_stt; 46dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 47dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic const struct pm8001_chip_info pm8001_chips[] = { 48dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang [chip_8001] = { 8, &pm8001_8001_dispatch,}, 49dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang}; 50dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int pm8001_id; 51dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 52dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangLIST_HEAD(hba_list); 53dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 54429305e4650c5d3395c21ca183455a3f3e3568afTejun Heostruct workqueue_struct *pm8001_wq; 55429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo 56dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 57dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * The main structure which LLDD must register for scsi core. 58dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 59dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic struct scsi_host_template pm8001_sht = { 60dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .module = THIS_MODULE, 61dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .name = DRV_NAME, 62dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .queuecommand = sas_queuecommand, 63dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .target_alloc = sas_target_alloc, 6411e16364aaac4544dd26ca56d399c954cc95d7a5Dan Williams .slave_configure = sas_slave_configure, 65dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .scan_finished = pm8001_scan_finished, 66dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .scan_start = pm8001_scan_start, 67dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .change_queue_depth = sas_change_queue_depth, 68dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .change_queue_type = sas_change_queue_type, 69dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .bios_param = sas_bios_param, 70dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .can_queue = 1, 71dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .cmd_per_lun = 1, 72dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .this_id = -1, 73dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .sg_tablesize = SG_ALL, 74dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .max_sectors = SCSI_DEFAULT_MAX_SECTORS, 75dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .use_clustering = ENABLE_CLUSTERING, 76dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .eh_device_reset_handler = sas_eh_device_reset_handler, 77dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .eh_bus_reset_handler = sas_eh_bus_reset_handler, 78dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .target_destroy = sas_target_destroy, 79dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .ioctl = sas_ioctl, 80dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .shost_attrs = pm8001_host_attrs, 81dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang}; 82dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 83dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 84dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Sas layer call this function to execute specific task. 85dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 86dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic struct sas_domain_function_template pm8001_transport_ops = { 87dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_dev_found = pm8001_dev_found, 88dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_dev_gone = pm8001_dev_gone, 89dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 90dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_execute_task = pm8001_queue_command, 91dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_control_phy = pm8001_phy_control, 92dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 93dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_abort_task = pm8001_abort_task, 94dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_abort_task_set = pm8001_abort_task_set, 95dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_clear_aca = pm8001_clear_aca, 96dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_clear_task_set = pm8001_clear_task_set, 97dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset, 98dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_lu_reset = pm8001_lu_reset, 99dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .lldd_query_task = pm8001_query_task, 100dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang}; 101dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 102dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 103dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang *pm8001_phy_init - initiate our adapter phys 104dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang *@pm8001_ha: our hba structure. 105dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang *@phy_id: phy id. 106dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 107dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic void __devinit pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, 108dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int phy_id) 109dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 110dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; 111dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct asd_sas_phy *sas_phy = &phy->sas_phy; 112dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang phy->phy_state = 0; 113dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang phy->pm8001_ha = pm8001_ha; 114dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0; 115dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->class = SAS; 116dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->iproto = SAS_PROTOCOL_ALL; 117dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->tproto = 0; 118dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->type = PHY_TYPE_PHYSICAL; 119dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->role = PHY_ROLE_INITIATOR; 120dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->oob_mode = OOB_NOT_CONNECTED; 121dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN; 122dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->id = phy_id; 123dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->sas_addr = &pm8001_ha->sas_addr[0]; 124dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->frame_rcvd = &phy->frame_rcvd[0]; 125dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata; 126dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_phy->lldd_phy = phy; 127dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 128dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 129dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 130dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang *pm8001_free - free hba 131dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang *@pm8001_ha: our hba structure. 132dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 133dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 134dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic void pm8001_free(struct pm8001_hba_info *pm8001_ha) 135dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 136dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int i; 137dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 138dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!pm8001_ha) 139dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return; 140dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 141dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < USI_MAX_MEMCNT; i++) { 142dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { 143dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_free_consistent(pm8001_ha->pdev, 144dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[i].element_size, 145dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[i].virt_ptr, 146dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[i].phys_addr); 147dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 148dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 149dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->chip_iounmap(pm8001_ha); 150dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (pm8001_ha->shost) 151dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang scsi_host_put(pm8001_ha->shost); 152429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo flush_workqueue(pm8001_wq); 153dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(pm8001_ha->tags); 154dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(pm8001_ha); 155dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 156dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 157dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_TASKLET 158dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic void pm8001_tasklet(unsigned long opaque) 159dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 160dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 1616eab04a87677a37cf15b52e2b4b4fd57917102adJustin P. Mattock pm8001_ha = (struct pm8001_hba_info *)opaque; 162dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (unlikely(!pm8001_ha)) 163dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang BUG_ON(1); 164dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->isr(pm8001_ha); 165dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 166dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 167dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 168dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 169dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /** 170dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_interrupt - when HBA originate a interrupt,we should invoke this 171dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * dispatcher to handle each case. 172dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @irq: irq number. 173dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @opaque: the passed general host adapter struct 174dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 175dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic irqreturn_t pm8001_interrupt(int irq, void *opaque) 176dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 177dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 178dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang irqreturn_t ret = IRQ_HANDLED; 179dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct sas_ha_struct *sha = opaque; 180dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha = sha->lldd_ha; 181dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (unlikely(!pm8001_ha)) 182dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return IRQ_NONE; 183dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha)) 184dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return IRQ_NONE; 185dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_TASKLET 186dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang tasklet_schedule(&pm8001_ha->tasklet); 187dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#else 188dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ret = PM8001_CHIP_DISP->isr(pm8001_ha); 189dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 190dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return ret; 191dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 192dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 193dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 194dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_alloc - initiate our hba structure and 6 DMAs area. 195dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @pm8001_ha:our hba structure. 196dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 197dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 198dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int __devinit pm8001_alloc(struct pm8001_hba_info *pm8001_ha) 199dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 200dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int i; 201dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang spin_lock_init(&pm8001_ha->lock); 2021cc943ae5003e4612a73119cb6fb637a45c2714djack wang for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 203dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_phy_init(pm8001_ha, i); 2041cc943ae5003e4612a73119cb6fb637a45c2714djack wang pm8001_ha->port[i].wide_port_phymap = 0; 2051cc943ae5003e4612a73119cb6fb637a45c2714djack wang pm8001_ha->port[i].port_attached = 0; 2061cc943ae5003e4612a73119cb6fb637a45c2714djack wang pm8001_ha->port[i].port_state = 0; 2071cc943ae5003e4612a73119cb6fb637a45c2714djack wang INIT_LIST_HEAD(&pm8001_ha->port[i].list); 2081cc943ae5003e4612a73119cb6fb637a45c2714djack wang } 209dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 21097ee20886cfd257a7818087c1638ca60b9ffd192jack_wang pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL); 21197ee20886cfd257a7818087c1638ca60b9ffd192jack_wang if (!pm8001_ha->tags) 21297ee20886cfd257a7818087c1638ca60b9ffd192jack_wang goto err_out; 213dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* MPI Memory region 1 for AAP Event Log for fw */ 214dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[AAP1].num_elements = 1; 215dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE; 216dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE; 217dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[AAP1].alignment = 32; 218dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 219dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* MPI Memory region 2 for IOP Event Log for fw */ 220dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IOP].num_elements = 1; 221dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE; 222dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE; 223dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IOP].alignment = 32; 224dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 225dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* MPI Memory region 3 for consumer Index of inbound queues */ 226dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CI].num_elements = 1; 227dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CI].element_size = 4; 228dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CI].total_len = 4; 229dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CI].alignment = 4; 230dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 231dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* MPI Memory region 4 for producer Index of outbound queues */ 232dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[PI].num_elements = 1; 233dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[PI].element_size = 4; 234dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[PI].total_len = 4; 235dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[PI].alignment = 4; 236dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 237dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* MPI Memory region 5 inbound queues */ 238dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IB].num_elements = 256; 239dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IB].element_size = 64; 240dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IB].total_len = 256 * 64; 241dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[IB].alignment = 64; 242dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 243dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* MPI Memory region 6 inbound queues */ 244dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[OB].num_elements = 256; 245dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[OB].element_size = 64; 246dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[OB].total_len = 256 * 64; 247dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[OB].alignment = 64; 248dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 249dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* Memory region write DMA*/ 250dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[NVMD].num_elements = 1; 251dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[NVMD].element_size = 4096; 252dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[NVMD].total_len = 4096; 253dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* Memory region for devices*/ 254dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1; 255dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES * 256dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sizeof(struct pm8001_device); 257dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES * 258dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sizeof(struct pm8001_device); 259dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 260dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* Memory region for ccb_info*/ 261dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1; 262dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB * 263dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sizeof(struct pm8001_ccb_info); 264dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB * 265dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sizeof(struct pm8001_ccb_info); 266dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 267dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < USI_MAX_MEMCNT; i++) { 268dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (pm8001_mem_alloc(pm8001_ha->pdev, 269dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang &pm8001_ha->memoryMap.region[i].virt_ptr, 270dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang &pm8001_ha->memoryMap.region[i].phys_addr, 271dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang &pm8001_ha->memoryMap.region[i].phys_addr_hi, 272dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang &pm8001_ha->memoryMap.region[i].phys_addr_lo, 273dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[i].total_len, 274dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[i].alignment) != 0) { 275dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_FAIL_DBG(pm8001_ha, 276dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_printk("Mem%d alloc failed\n", 277dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang i)); 278dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out; 279dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 280dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 281dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 282dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr; 283dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < PM8001_MAX_DEVICES; i++) { 284dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->devices[i].dev_type = NO_DEVICE; 285dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->devices[i].id = i; 286dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES; 287dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->devices[i].running_req = 0; 288dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 289dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr; 290dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < PM8001_MAX_CCB; i++) { 291dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->ccb_info[i].ccb_dma_handle = 292dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->memoryMap.region[CCB_MEM].phys_addr + 293dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang i * sizeof(struct pm8001_ccb_info); 29497ee20886cfd257a7818087c1638ca60b9ffd192jack_wang pm8001_ha->ccb_info[i].task = NULL; 29597ee20886cfd257a7818087c1638ca60b9ffd192jack_wang pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff; 29697ee20886cfd257a7818087c1638ca60b9ffd192jack_wang pm8001_ha->ccb_info[i].device = NULL; 297dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ++pm8001_ha->tags_num; 298dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 299dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->flags = PM8001F_INIT_TIME; 300dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* Initialize tags */ 301dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_tag_init(pm8001_ha); 302dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 0; 303dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out: 304dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 1; 305dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 306dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 307dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 308dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_ioremap - remap the pci high physical address to kernal virtual 309dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * address so that we can access them. 310dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @pm8001_ha:our hba structure. 311dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 312dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha) 313dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 314dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 bar; 315dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 logicalBar = 0; 316dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pci_dev *pdev; 317dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 318dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pdev = pm8001_ha->pdev; 319dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* map pci mem (PMC pci base 0-3)*/ 320dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (bar = 0; bar < 6; bar++) { 321dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* 322dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ** logical BARs for SPC: 323dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ** bar 0 and 1 - logical BAR0 324dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ** bar 2 and 3 - logical BAR1 325dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ** bar4 - logical BAR2 326dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ** bar5 - logical BAR3 327dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ** Skip the appropriate assignments: 328dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 329dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if ((bar == 1) || (bar == 3)) 330dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang continue; 331dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) { 332dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].membase = 333dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_resource_start(pdev, bar); 334dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].membase &= 335dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang (u32)PCI_BASE_ADDRESS_MEM_MASK; 336dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].memsize = 337dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_resource_len(pdev, bar); 338dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].memvirtaddr = 339dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang ioremap(pm8001_ha->io_mem[logicalBar].membase, 340dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].memsize); 341dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_INIT_DBG(pm8001_ha, 342dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_printk("PCI: bar %d, logicalBar %d " 343dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang "virt_addr=%lx,len=%d\n", bar, logicalBar, 344dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang (unsigned long) 345dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].memvirtaddr, 346dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].memsize)); 347dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } else { 348dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].membase = 0; 349dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].memsize = 0; 350dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->io_mem[logicalBar].memvirtaddr = 0; 351dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 352dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang logicalBar++; 353dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 354dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 0; 355dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 356dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 357dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 358dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_pci_alloc - initialize our ha card structure 359dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @pdev: pci device. 360dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @ent: ent 361dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @shost: scsi host struct which has been initialized before. 362dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 363dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic struct pm8001_hba_info *__devinit 364dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangpm8001_pci_alloc(struct pci_dev *pdev, u32 chip_id, struct Scsi_Host *shost) 365dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 366dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 367dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 368dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 369dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 370dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha = sha->lldd_ha; 371dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!pm8001_ha) 372dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return NULL; 373dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 374dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->pdev = pdev; 375dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->dev = &pdev->dev; 376dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->chip_id = chip_id; 377dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id]; 378dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->irq = pdev->irq; 379dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->sas = sha; 380dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->shost = shost; 381dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->id = pm8001_id++; 382dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->logging_level = 0x01; 383dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id); 384dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_TASKLET 385dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet, 386dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang (unsigned long)pm8001_ha); 387dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 388dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ioremap(pm8001_ha); 389dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!pm8001_alloc(pm8001_ha)) 390dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return pm8001_ha; 391dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_free(pm8001_ha); 392dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return NULL; 393dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 394dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 395dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 396dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit 397dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @pdev: pci device. 398dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 399dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int pci_go_44(struct pci_dev *pdev) 400dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 401dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int rc; 402dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 403dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) { 404dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44)); 405dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) { 406dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_set_consistent_dma_mask(pdev, 407dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang DMA_BIT_MASK(32)); 408dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) { 409dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang dev_printk(KERN_ERR, &pdev->dev, 410dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang "44-bit DMA enable failed\n"); 411dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 412dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 413dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 414dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } else { 415dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 416dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) { 417dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang dev_printk(KERN_ERR, &pdev->dev, 418dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang "32-bit DMA enable failed\n"); 419dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 420dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 421dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); 422dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) { 423dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang dev_printk(KERN_ERR, &pdev->dev, 424dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang "32-bit consistent DMA enable failed\n"); 425dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 426dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 427dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 428dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 429dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 430dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 431dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 432dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them. 433dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @shost: scsi host which has been allocated outside. 434dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @chip_info: our ha struct. 435dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 436dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int __devinit pm8001_prep_sas_ha_init(struct Scsi_Host * shost, 437dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang const struct pm8001_chip_info *chip_info) 438dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 439dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int phy_nr, port_nr; 440dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct asd_sas_phy **arr_phy; 441dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct asd_sas_port **arr_port; 442dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 443dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 444dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang phy_nr = chip_info->n_phy; 445dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang port_nr = phy_nr; 446dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang memset(sha, 0x00, sizeof(*sha)); 447dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL); 448dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!arr_phy) 449dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto exit; 450dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL); 451dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!arr_port) 452dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto exit_free2; 453dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 454dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->sas_phy = arr_phy; 455dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->sas_port = arr_port; 456dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL); 457dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!sha->lldd_ha) 458dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto exit_free1; 459dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 460dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->transportt = pm8001_stt; 461dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->max_id = PM8001_MAX_DEVICES; 462dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->max_lun = 8; 463dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->max_channel = 0; 464dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->unique_id = pm8001_id; 465dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->max_cmd_len = 16; 466dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->can_queue = PM8001_CAN_QUEUE; 467dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost->cmd_per_lun = 32; 468dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 0; 469dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangexit_free1: 470dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(arr_port); 471dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangexit_free2: 472dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(arr_phy); 473dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangexit: 474dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return -1; 475dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 476dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 477dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 478dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas 479dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @shost: scsi host which has been allocated outside 480dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @chip_info: our ha struct. 481dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 482dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic void __devinit pm8001_post_sas_ha_init(struct Scsi_Host *shost, 483dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang const struct pm8001_chip_info *chip_info) 484dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 485dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int i = 0; 486dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 487dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 488dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 489dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha = sha->lldd_ha; 490dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < chip_info->n_phy; i++) { 491dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy; 492dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->sas_port[i] = &pm8001_ha->port[i].sas_port; 493dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 494dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->sas_ha_name = DRV_NAME; 495dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->dev = pm8001_ha->dev; 496dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 497dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->lldd_module = THIS_MODULE; 498dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->sas_addr = &pm8001_ha->sas_addr[0]; 499dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->num_phys = chip_info->n_phy; 500dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->lldd_max_execute_num = 1; 501dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->lldd_queue_size = PM8001_CAN_QUEUE; 502dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sha->core.shost = shost; 503dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 504dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 505dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 506dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_init_sas_add - initialize sas address 507dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @chip_info: our ha struct. 508dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 509dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Currently we just set the fixed SAS address to our HBA,for manufacture, 510dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * it should read from the EEPROM 511dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 512dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) 513dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 514dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u8 i; 515dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_READ_VPD 516dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang DECLARE_COMPLETION_ONSTACK(completion); 5177c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang struct pm8001_ioctl_payload payload; 518dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->nvmd_completion = &completion; 5197c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang payload.minor_function = 0; 5207c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang payload.length = 128; 5217c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang payload.func_specific = kzalloc(128, GFP_KERNEL); 5227c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 523dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang wait_for_completion(&completion); 524dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 525dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang memcpy(&pm8001_ha->phy[i].dev_sas_addr, pm8001_ha->sas_addr, 526dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang SAS_ADDR_SIZE); 527dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_INIT_DBG(pm8001_ha, 5287c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang pm8001_printk("phy %d sas_addr = %016llx \n", i, 5297c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang pm8001_ha->phy[i].dev_sas_addr)); 530dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 531dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#else 532dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 5337c8356d969e203a8f2f740a9a80d4944eb8cf1d1jack wang pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL; 534dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->phy[i].dev_sas_addr = 535dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang cpu_to_be64((u64) 536dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr)); 537dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 538dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr, 539dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang SAS_ADDR_SIZE); 540dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 541dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 542dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 543dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_MSIX 544dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 545dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_setup_msix - enable MSI-X interrupt 546dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @chip_info: our ha struct. 547dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @irq_handler: irq_handler 548dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 549dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha, 550dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang irq_handler_t irq_handler) 551dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 552dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 i = 0, j = 0; 553dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 number_of_intr = 1; 554dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int flag = 0; 555dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 max_entry; 556dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int rc; 557dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang max_entry = sizeof(pm8001_ha->msix_entries) / 558dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sizeof(pm8001_ha->msix_entries[0]); 559dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang flag |= IRQF_DISABLED; 560dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < max_entry ; i++) 561dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->msix_entries[i].entry = i; 562dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries, 563dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang number_of_intr); 564dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->number_of_intr = number_of_intr; 565dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!rc) { 566dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < number_of_intr; i++) { 567dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (request_irq(pm8001_ha->msix_entries[i].vector, 568dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang irq_handler, flag, DRV_NAME, 569dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang SHOST_TO_SAS_HA(pm8001_ha->shost))) { 570dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (j = 0; j < i; j++) 571dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang free_irq( 572dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->msix_entries[j].vector, 573dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang SHOST_TO_SAS_HA(pm8001_ha->shost)); 574dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_disable_msix(pm8001_ha->pdev); 575dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang break; 576dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 577dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 578dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 579dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 580dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 581dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 582dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 583dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 584dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_request_irq - register interrupt 585dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @chip_info: our ha struct. 586dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 587dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha) 588dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 589dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pci_dev *pdev; 590dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang irq_handler_t irq_handler = pm8001_interrupt; 59197ee20886cfd257a7818087c1638ca60b9ffd192jack_wang int rc; 592dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 593dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pdev = pm8001_ha->pdev; 594dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 595dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_MSIX 596dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) 597dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return pm8001_setup_msix(pm8001_ha, irq_handler); 598dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang else 599dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto intx; 600dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 601dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 602dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangintx: 603b595076a180a56d1bb170e6eceda6eb9d76f4cd3Uwe Kleine-König /* initialize the INT-X interrupt */ 604dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = request_irq(pdev->irq, irq_handler, IRQF_SHARED, DRV_NAME, 605dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang SHOST_TO_SAS_HA(pm8001_ha->shost)); 606dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 607dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 608dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 609dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 610dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_pci_probe - probe supported device 611dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @pdev: pci device which kernel has been prepared for. 612dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @ent: pci device id 613dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 614dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * This function is the main initialization function, when register a new 615dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pci driver it is invoked, all struct an hardware initilization should be done 616dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * here, also, register interrupt 617dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 618dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int __devinit pm8001_pci_probe(struct pci_dev *pdev, 619dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang const struct pci_device_id *ent) 620dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 621dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang unsigned int rc; 622dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 pci_reg; 623dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 624dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct Scsi_Host *shost = NULL; 625dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang const struct pm8001_chip_info *chip; 626dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 627dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang dev_printk(KERN_INFO, &pdev->dev, 628dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang "pm8001: driver version %s\n", DRV_VERSION); 629dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_enable_device(pdev); 630dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 631dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_enable; 632dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_set_master(pdev); 633dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang /* 634dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Enable pci slot busmaster by setting pci command register. 635dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * This is required by FW for Cyclone card. 636dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 637dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 638dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg); 639dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_reg |= 0x157; 640dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_write_config_dword(pdev, PCI_COMMAND, pci_reg); 641dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_request_regions(pdev, DRV_NAME); 642dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 643dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_disable; 644dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_go_44(pdev); 645dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 646dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_regions; 647dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 648dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang shost = scsi_host_alloc(&pm8001_sht, sizeof(void *)); 649dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!shost) { 650dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = -ENOMEM; 651dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_regions; 652dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 653dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang chip = &pm8001_chips[ent->driver_data]; 654dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang SHOST_TO_SAS_HA(shost) = 6553dbf6c0012d12473461b7485006db373e8192fa5Julia Lawall kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL); 656dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!SHOST_TO_SAS_HA(shost)) { 657dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = -ENOMEM; 658dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_free_host; 659dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 660dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 661dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pm8001_prep_sas_ha_init(shost, chip); 662dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) { 663dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = -ENOMEM; 664dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_free; 665dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 666dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost)); 667dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha = pm8001_pci_alloc(pdev, chip_8001, shost); 668dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!pm8001_ha) { 669dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = -ENOMEM; 670dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_free; 671dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 672dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang list_add_tail(&pm8001_ha->list, &hba_list); 673dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd); 674dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 675dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 676dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_ha_free; 677dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 678dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = scsi_add_host(shost, &pdev->dev); 679dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 680dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_ha_free; 681dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pm8001_request_irq(pm8001_ha); 682dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 683dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_shost; 684dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 685dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->interrupt_enable(pm8001_ha); 686dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_init_sas_add(pm8001_ha); 687dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_post_sas_ha_init(shost, chip); 688dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = sas_register_ha(SHOST_TO_SAS_HA(shost)); 689dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 690dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_shost; 691dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang scsi_scan_host(pm8001_ha->shost); 692dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 0; 693dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 694dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_shost: 695dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang scsi_remove_host(pm8001_ha->shost); 696dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_ha_free: 697dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_free(pm8001_ha); 698dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_free: 699dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(SHOST_TO_SAS_HA(shost)); 700dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_free_host: 701dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(shost); 702dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_regions: 703dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_release_regions(pdev); 704dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_disable: 705dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_disable_device(pdev); 706dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_enable: 707dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 708dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 709dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 710dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic void __devexit pm8001_pci_remove(struct pci_dev *pdev) 711dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 712dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct sas_ha_struct *sha = pci_get_drvdata(pdev); 713dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 714dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int i; 715dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha = sha->lldd_ha; 716dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_set_drvdata(pdev, NULL); 717dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_unregister_ha(sha); 718dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_remove_host(pm8001_ha->shost); 719dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang list_del(&pm8001_ha->list); 720dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang scsi_remove_host(pm8001_ha->shost); 721dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->interrupt_disable(pm8001_ha); 722dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd); 723dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 724dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_MSIX 725dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 726dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang synchronize_irq(pm8001_ha->msix_entries[i].vector); 727dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 728dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang free_irq(pm8001_ha->msix_entries[i].vector, sha); 729dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_disable_msix(pdev); 730dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#else 731dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang free_irq(pm8001_ha->irq, sha); 732dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 733dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_TASKLET 734dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang tasklet_kill(&pm8001_ha->tasklet); 735dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 736dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_free(pm8001_ha); 737dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(sha->sas_phy); 738dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(sha->sas_port); 739dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang kfree(sha); 740dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_release_regions(pdev); 741dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_disable_device(pdev); 742dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 743dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 744dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 745dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_pci_suspend - power management suspend main entry point 746dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @pdev: PCI device struct 747dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @state: PM state change to (usually PCI_D3) 748dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 749dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Returns 0 success, anything else error. 750dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 751dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state) 752dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 753dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct sas_ha_struct *sha = pci_get_drvdata(pdev); 754dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 755dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int i , pos; 756dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 device_state; 757dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha = sha->lldd_ha; 758429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo flush_workqueue(pm8001_wq); 759dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang scsi_block_requests(pm8001_ha->shost); 760dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pos = pci_find_capability(pdev, PCI_CAP_ID_PM); 761dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (pos == 0) { 762dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang printk(KERN_ERR " PCI PM not supported\n"); 763dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return -ENODEV; 764dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 765dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->interrupt_disable(pm8001_ha); 766dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd); 767dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_MSIX 768dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 769dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang synchronize_irq(pm8001_ha->msix_entries[i].vector); 770dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 771dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang free_irq(pm8001_ha->msix_entries[i].vector, sha); 772dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_disable_msix(pdev); 773dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#else 774dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang free_irq(pm8001_ha->irq, sha); 775dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 776dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#ifdef PM8001_USE_TASKLET 777dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang tasklet_kill(&pm8001_ha->tasklet); 778dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang#endif 779dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang device_state = pci_choose_state(pdev, state); 780dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_printk("pdev=0x%p, slot=%s, entering " 781dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang "operating state [D%d]\n", pdev, 782dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->name, device_state); 783dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_save_state(pdev); 784dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_disable_device(pdev); 785dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_set_power_state(pdev, device_state); 786dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 0; 787dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 788dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 789dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 790dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_pci_resume - power management resume main entry point 791dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * @pdev: PCI device struct 792dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * 793dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * Returns 0 success, anything else error. 794dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 795dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int pm8001_pci_resume(struct pci_dev *pdev) 796dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 797dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct sas_ha_struct *sha = pci_get_drvdata(pdev); 798dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang struct pm8001_hba_info *pm8001_ha; 799dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang int rc; 800dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang u32 device_state; 801dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha = sha->lldd_ha; 802dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang device_state = pdev->current_state; 803dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 804dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_printk("pdev=0x%p, slot=%s, resuming from previous " 805dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang "operating state [D%d]\n", pdev, pm8001_ha->name, device_state); 806dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 807dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_set_power_state(pdev, PCI_D0); 808dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_enable_wake(pdev, PCI_D0, 0); 809dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_restore_state(pdev); 810dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_enable_device(pdev); 811dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) { 812dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_printk("slot=%s Enable device failed during resume\n", 813dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_ha->name); 814dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_enable; 815dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang } 816dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 817dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_set_master(pdev); 818dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_go_44(pdev); 819dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 820dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_disable; 821dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 822dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd); 823dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 824dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 825dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_disable; 826dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->interrupt_disable(pm8001_ha); 827dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pm8001_request_irq(pm8001_ha); 828dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 829dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang goto err_out_disable; 830dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang #ifdef PM8001_USE_TASKLET 831dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet, 832dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang (unsigned long)pm8001_ha); 833dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang #endif 834dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PM8001_CHIP_DISP->interrupt_enable(pm8001_ha); 835dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang scsi_unblock_requests(pm8001_ha->shost); 836dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 0; 837dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 838dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_disable: 839dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang scsi_remove_host(pm8001_ha->shost); 840dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_disable_device(pdev); 841dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangerr_out_enable: 842dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 843dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 844dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 845dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic struct pci_device_id __devinitdata pm8001_pci_table[] = { 846dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang { 847dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 848dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang }, 849dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang { 850dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang PCI_DEVICE(0x117c, 0x0042), 851dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .driver_data = chip_8001 852dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang }, 853dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang {} /* terminate list */ 854dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang}; 855dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 856dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic struct pci_driver pm8001_pci_driver = { 857dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .name = DRV_NAME, 858dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .id_table = pm8001_pci_table, 859dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .probe = pm8001_pci_probe, 860dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .remove = __devexit_p(pm8001_pci_remove), 861dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .suspend = pm8001_pci_suspend, 862dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang .resume = pm8001_pci_resume, 863dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang}; 864dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 865dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang/** 866dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang * pm8001_init - initialize scsi transport template 867dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang */ 868dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic int __init pm8001_init(void) 869dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 870429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo int rc = -ENOMEM; 871429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo 872429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo pm8001_wq = alloc_workqueue("pm8001", 0, 0); 873429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo if (!pm8001_wq) 874429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo goto err; 875429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo 876dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_id = 0; 877dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops); 878dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (!pm8001_stt) 879429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo goto err_wq; 880dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang rc = pci_register_driver(&pm8001_pci_driver); 881dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang if (rc) 882429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo goto err_tp; 883dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return 0; 884429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo 885429305e4650c5d3395c21ca183455a3f3e3568afTejun Heoerr_tp: 886dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_release_transport(pm8001_stt); 887429305e4650c5d3395c21ca183455a3f3e3568afTejun Heoerr_wq: 888429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo destroy_workqueue(pm8001_wq); 889429305e4650c5d3395c21ca183455a3f3e3568afTejun Heoerr: 890dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang return rc; 891dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 892dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 893dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangstatic void __exit pm8001_exit(void) 894dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang{ 895dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang pci_unregister_driver(&pm8001_pci_driver); 896dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang sas_release_transport(pm8001_stt); 897429305e4650c5d3395c21ca183455a3f3e3568afTejun Heo destroy_workqueue(pm8001_wq); 898dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang} 899dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 900dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangmodule_init(pm8001_init); 901dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangmodule_exit(pm8001_exit); 902dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 903dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangMODULE_AUTHOR("Jack Wang <jack_wang@usish.com>"); 904dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangMODULE_DESCRIPTION("PMC-Sierra PM8001 SAS/SATA controller driver"); 905dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangMODULE_VERSION(DRV_VERSION); 906dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangMODULE_LICENSE("GPL"); 907dbf9bfe615717d1145f263c0049fe2328e6ed395jack wangMODULE_DEVICE_TABLE(pci, pm8001_pci_table); 908dbf9bfe615717d1145f263c0049fe2328e6ed395jack wang 909