1dbf9bfe6Sjack wang /* 2e5742101SSakthivel K * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver 3dbf9bfe6Sjack wang * 4dbf9bfe6Sjack wang * Copyright (c) 2008-2009 USI Co., Ltd. 5dbf9bfe6Sjack wang * All rights reserved. 6dbf9bfe6Sjack wang * 7dbf9bfe6Sjack wang * Redistribution and use in source and binary forms, with or without 8dbf9bfe6Sjack wang * modification, are permitted provided that the following conditions 9dbf9bfe6Sjack wang * are met: 10dbf9bfe6Sjack wang * 1. Redistributions of source code must retain the above copyright 11dbf9bfe6Sjack wang * notice, this list of conditions, and the following disclaimer, 12dbf9bfe6Sjack wang * without modification. 13dbf9bfe6Sjack wang * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14dbf9bfe6Sjack wang * substantially similar to the "NO WARRANTY" disclaimer below 15dbf9bfe6Sjack wang * ("Disclaimer") and any redistribution must be conditioned upon 16dbf9bfe6Sjack wang * including a substantially similar Disclaimer requirement for further 17dbf9bfe6Sjack wang * binary redistribution. 18dbf9bfe6Sjack wang * 3. Neither the names of the above-listed copyright holders nor the names 19dbf9bfe6Sjack wang * of any contributors may be used to endorse or promote products derived 20dbf9bfe6Sjack wang * from this software without specific prior written permission. 21dbf9bfe6Sjack wang * 22dbf9bfe6Sjack wang * Alternatively, this software may be distributed under the terms of the 23dbf9bfe6Sjack wang * GNU General Public License ("GPL") version 2 as published by the Free 24dbf9bfe6Sjack wang * Software Foundation. 25dbf9bfe6Sjack wang * 26dbf9bfe6Sjack wang * NO WARRANTY 27dbf9bfe6Sjack wang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28dbf9bfe6Sjack wang * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29dbf9bfe6Sjack wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 30dbf9bfe6Sjack wang * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31dbf9bfe6Sjack wang * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32dbf9bfe6Sjack wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33dbf9bfe6Sjack wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34dbf9bfe6Sjack wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 35dbf9bfe6Sjack wang * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 36dbf9bfe6Sjack wang * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37dbf9bfe6Sjack wang * POSSIBILITY OF SUCH DAMAGES. 38dbf9bfe6Sjack wang * 39dbf9bfe6Sjack wang */ 40dbf9bfe6Sjack wang 415a0e3ad6STejun Heo #include <linux/slab.h> 42dbf9bfe6Sjack wang #include "pm8001_sas.h" 43dbf9bfe6Sjack wang #include "pm8001_chips.h" 44dbf9bfe6Sjack wang 45dbf9bfe6Sjack wang static struct scsi_transport_template *pm8001_stt; 46dbf9bfe6Sjack wang 47e5742101SSakthivel K /** 48e5742101SSakthivel K * chip info structure to identify chip key functionality as 49e5742101SSakthivel K * encryption available/not, no of ports, hw specific function ref 50e5742101SSakthivel K */ 51dbf9bfe6Sjack wang static const struct pm8001_chip_info pm8001_chips[] = { 52e5742101SSakthivel K [chip_8001] = {0, 8, &pm8001_8001_dispatch,}, 53f5860992SSakthivel K [chip_8008] = {0, 8, &pm8001_80xx_dispatch,}, 54f5860992SSakthivel K [chip_8009] = {1, 8, &pm8001_80xx_dispatch,}, 55f5860992SSakthivel K [chip_8018] = {0, 16, &pm8001_80xx_dispatch,}, 56f5860992SSakthivel K [chip_8019] = {1, 16, &pm8001_80xx_dispatch,}, 57a9a923e5SAnand Kumar Santhanam [chip_8074] = {0, 8, &pm8001_80xx_dispatch,}, 58a9a923e5SAnand Kumar Santhanam [chip_8076] = {0, 16, &pm8001_80xx_dispatch,}, 59a9a923e5SAnand Kumar Santhanam [chip_8077] = {0, 16, &pm8001_80xx_dispatch,}, 60dbf9bfe6Sjack wang }; 61dbf9bfe6Sjack wang static int pm8001_id; 62dbf9bfe6Sjack wang 63dbf9bfe6Sjack wang LIST_HEAD(hba_list); 64dbf9bfe6Sjack wang 65429305e4STejun Heo struct workqueue_struct *pm8001_wq; 66429305e4STejun Heo 67dbf9bfe6Sjack wang /** 68dbf9bfe6Sjack wang * The main structure which LLDD must register for scsi core. 69dbf9bfe6Sjack wang */ 70dbf9bfe6Sjack wang static struct scsi_host_template pm8001_sht = { 71dbf9bfe6Sjack wang .module = THIS_MODULE, 72dbf9bfe6Sjack wang .name = DRV_NAME, 73dbf9bfe6Sjack wang .queuecommand = sas_queuecommand, 74dbf9bfe6Sjack wang .target_alloc = sas_target_alloc, 7511e16364SDan Williams .slave_configure = sas_slave_configure, 76dbf9bfe6Sjack wang .scan_finished = pm8001_scan_finished, 77dbf9bfe6Sjack wang .scan_start = pm8001_scan_start, 78dbf9bfe6Sjack wang .change_queue_depth = sas_change_queue_depth, 79dbf9bfe6Sjack wang .change_queue_type = sas_change_queue_type, 80dbf9bfe6Sjack wang .bios_param = sas_bios_param, 81dbf9bfe6Sjack wang .can_queue = 1, 82dbf9bfe6Sjack wang .cmd_per_lun = 1, 83dbf9bfe6Sjack wang .this_id = -1, 84dbf9bfe6Sjack wang .sg_tablesize = SG_ALL, 85dbf9bfe6Sjack wang .max_sectors = SCSI_DEFAULT_MAX_SECTORS, 86dbf9bfe6Sjack wang .use_clustering = ENABLE_CLUSTERING, 87dbf9bfe6Sjack wang .eh_device_reset_handler = sas_eh_device_reset_handler, 88dbf9bfe6Sjack wang .eh_bus_reset_handler = sas_eh_bus_reset_handler, 89dbf9bfe6Sjack wang .target_destroy = sas_target_destroy, 90dbf9bfe6Sjack wang .ioctl = sas_ioctl, 91dbf9bfe6Sjack wang .shost_attrs = pm8001_host_attrs, 92dbf9bfe6Sjack wang }; 93dbf9bfe6Sjack wang 94dbf9bfe6Sjack wang /** 95dbf9bfe6Sjack wang * Sas layer call this function to execute specific task. 96dbf9bfe6Sjack wang */ 97dbf9bfe6Sjack wang static struct sas_domain_function_template pm8001_transport_ops = { 98dbf9bfe6Sjack wang .lldd_dev_found = pm8001_dev_found, 99dbf9bfe6Sjack wang .lldd_dev_gone = pm8001_dev_gone, 100dbf9bfe6Sjack wang 101dbf9bfe6Sjack wang .lldd_execute_task = pm8001_queue_command, 102dbf9bfe6Sjack wang .lldd_control_phy = pm8001_phy_control, 103dbf9bfe6Sjack wang 104dbf9bfe6Sjack wang .lldd_abort_task = pm8001_abort_task, 105dbf9bfe6Sjack wang .lldd_abort_task_set = pm8001_abort_task_set, 106dbf9bfe6Sjack wang .lldd_clear_aca = pm8001_clear_aca, 107dbf9bfe6Sjack wang .lldd_clear_task_set = pm8001_clear_task_set, 108dbf9bfe6Sjack wang .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset, 109dbf9bfe6Sjack wang .lldd_lu_reset = pm8001_lu_reset, 110dbf9bfe6Sjack wang .lldd_query_task = pm8001_query_task, 111dbf9bfe6Sjack wang }; 112dbf9bfe6Sjack wang 113dbf9bfe6Sjack wang /** 114dbf9bfe6Sjack wang *pm8001_phy_init - initiate our adapter phys 115dbf9bfe6Sjack wang *@pm8001_ha: our hba structure. 116dbf9bfe6Sjack wang *@phy_id: phy id. 117dbf9bfe6Sjack wang */ 1186f039790SGreg Kroah-Hartman static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id) 119dbf9bfe6Sjack wang { 120dbf9bfe6Sjack wang struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; 121dbf9bfe6Sjack wang struct asd_sas_phy *sas_phy = &phy->sas_phy; 122dbf9bfe6Sjack wang phy->phy_state = 0; 123dbf9bfe6Sjack wang phy->pm8001_ha = pm8001_ha; 124dbf9bfe6Sjack wang sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0; 125dbf9bfe6Sjack wang sas_phy->class = SAS; 126dbf9bfe6Sjack wang sas_phy->iproto = SAS_PROTOCOL_ALL; 127dbf9bfe6Sjack wang sas_phy->tproto = 0; 128dbf9bfe6Sjack wang sas_phy->type = PHY_TYPE_PHYSICAL; 129dbf9bfe6Sjack wang sas_phy->role = PHY_ROLE_INITIATOR; 130dbf9bfe6Sjack wang sas_phy->oob_mode = OOB_NOT_CONNECTED; 131dbf9bfe6Sjack wang sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN; 132dbf9bfe6Sjack wang sas_phy->id = phy_id; 133dbf9bfe6Sjack wang sas_phy->sas_addr = &pm8001_ha->sas_addr[0]; 134dbf9bfe6Sjack wang sas_phy->frame_rcvd = &phy->frame_rcvd[0]; 135dbf9bfe6Sjack wang sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata; 136dbf9bfe6Sjack wang sas_phy->lldd_phy = phy; 137dbf9bfe6Sjack wang } 138dbf9bfe6Sjack wang 139dbf9bfe6Sjack wang /** 140dbf9bfe6Sjack wang *pm8001_free - free hba 141dbf9bfe6Sjack wang *@pm8001_ha: our hba structure. 142dbf9bfe6Sjack wang * 143dbf9bfe6Sjack wang */ 144dbf9bfe6Sjack wang static void pm8001_free(struct pm8001_hba_info *pm8001_ha) 145dbf9bfe6Sjack wang { 146dbf9bfe6Sjack wang int i; 147dbf9bfe6Sjack wang 148dbf9bfe6Sjack wang if (!pm8001_ha) 149dbf9bfe6Sjack wang return; 150dbf9bfe6Sjack wang 151dbf9bfe6Sjack wang for (i = 0; i < USI_MAX_MEMCNT; i++) { 152dbf9bfe6Sjack wang if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { 153dbf9bfe6Sjack wang pci_free_consistent(pm8001_ha->pdev, 154bfb4809fSSakthivel K (pm8001_ha->memoryMap.region[i].total_len + 155bfb4809fSSakthivel K pm8001_ha->memoryMap.region[i].alignment), 156dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[i].virt_ptr, 157dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[i].phys_addr); 158dbf9bfe6Sjack wang } 159dbf9bfe6Sjack wang } 160dbf9bfe6Sjack wang PM8001_CHIP_DISP->chip_iounmap(pm8001_ha); 161dbf9bfe6Sjack wang if (pm8001_ha->shost) 162dbf9bfe6Sjack wang scsi_host_put(pm8001_ha->shost); 163429305e4STejun Heo flush_workqueue(pm8001_wq); 164dbf9bfe6Sjack wang kfree(pm8001_ha->tags); 165dbf9bfe6Sjack wang kfree(pm8001_ha); 166dbf9bfe6Sjack wang } 167dbf9bfe6Sjack wang 168dbf9bfe6Sjack wang #ifdef PM8001_USE_TASKLET 1691245ee59SSakthivel K 1701245ee59SSakthivel K /** 1711245ee59SSakthivel K * tasklet for 64 msi-x interrupt handler 1721245ee59SSakthivel K * @opaque: the passed general host adapter struct 1731245ee59SSakthivel K * Note: pm8001_tasklet is common for pm8001 & pm80xx 1741245ee59SSakthivel K */ 175dbf9bfe6Sjack wang static void pm8001_tasklet(unsigned long opaque) 176dbf9bfe6Sjack wang { 177dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 1786cd60b37SNikith Ganigarakoppal struct isr_param *irq_vector; 1796cd60b37SNikith Ganigarakoppal 1806cd60b37SNikith Ganigarakoppal irq_vector = (struct isr_param *)opaque; 1816cd60b37SNikith Ganigarakoppal pm8001_ha = irq_vector->drv_inst; 182dbf9bfe6Sjack wang if (unlikely(!pm8001_ha)) 183dbf9bfe6Sjack wang BUG_ON(1); 1846cd60b37SNikith Ganigarakoppal PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); 185dbf9bfe6Sjack wang } 186dbf9bfe6Sjack wang #endif 187dbf9bfe6Sjack wang 188dbf9bfe6Sjack wang /** 1891245ee59SSakthivel K * pm8001_interrupt_handler_msix - main MSIX interrupt handler. 1901245ee59SSakthivel K * It obtains the vector number and calls the equivalent bottom 1911245ee59SSakthivel K * half or services directly. 1921245ee59SSakthivel K * @opaque: the passed outbound queue/vector. Host structure is 1931245ee59SSakthivel K * retrieved from the same. 194dbf9bfe6Sjack wang */ 1951245ee59SSakthivel K static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque) 1961245ee59SSakthivel K { 1976cd60b37SNikith Ganigarakoppal struct isr_param *irq_vector; 1986cd60b37SNikith Ganigarakoppal struct pm8001_hba_info *pm8001_ha; 1991245ee59SSakthivel K irqreturn_t ret = IRQ_HANDLED; 2006cd60b37SNikith Ganigarakoppal irq_vector = (struct isr_param *)opaque; 2016cd60b37SNikith Ganigarakoppal pm8001_ha = irq_vector->drv_inst; 2026cd60b37SNikith Ganigarakoppal 2031245ee59SSakthivel K if (unlikely(!pm8001_ha)) 2041245ee59SSakthivel K return IRQ_NONE; 2051245ee59SSakthivel K if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha)) 2061245ee59SSakthivel K return IRQ_NONE; 2071245ee59SSakthivel K #ifdef PM8001_USE_TASKLET 2086cd60b37SNikith Ganigarakoppal tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]); 2091245ee59SSakthivel K #else 2106cd60b37SNikith Ganigarakoppal ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); 2111245ee59SSakthivel K #endif 2121245ee59SSakthivel K return ret; 2131245ee59SSakthivel K } 2141245ee59SSakthivel K 2151245ee59SSakthivel K /** 2161245ee59SSakthivel K * pm8001_interrupt_handler_intx - main INTx interrupt handler. 2171245ee59SSakthivel K * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure. 2181245ee59SSakthivel K */ 2191245ee59SSakthivel K 2201245ee59SSakthivel K static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id) 221dbf9bfe6Sjack wang { 222dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 223dbf9bfe6Sjack wang irqreturn_t ret = IRQ_HANDLED; 2241245ee59SSakthivel K struct sas_ha_struct *sha = dev_id; 225dbf9bfe6Sjack wang pm8001_ha = sha->lldd_ha; 226dbf9bfe6Sjack wang if (unlikely(!pm8001_ha)) 227dbf9bfe6Sjack wang return IRQ_NONE; 228dbf9bfe6Sjack wang if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha)) 229dbf9bfe6Sjack wang return IRQ_NONE; 2301245ee59SSakthivel K 231dbf9bfe6Sjack wang #ifdef PM8001_USE_TASKLET 2326cd60b37SNikith Ganigarakoppal tasklet_schedule(&pm8001_ha->tasklet[0]); 233dbf9bfe6Sjack wang #else 234f74cf271SSakthivel K ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0); 235dbf9bfe6Sjack wang #endif 236dbf9bfe6Sjack wang return ret; 237dbf9bfe6Sjack wang } 238dbf9bfe6Sjack wang 239dbf9bfe6Sjack wang /** 240dbf9bfe6Sjack wang * pm8001_alloc - initiate our hba structure and 6 DMAs area. 241dbf9bfe6Sjack wang * @pm8001_ha:our hba structure. 242dbf9bfe6Sjack wang * 243dbf9bfe6Sjack wang */ 244e590adfdSSakthivel K static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha, 245e590adfdSSakthivel K const struct pci_device_id *ent) 246dbf9bfe6Sjack wang { 247dbf9bfe6Sjack wang int i; 248dbf9bfe6Sjack wang spin_lock_init(&pm8001_ha->lock); 249646cdf00STomas Henzl spin_lock_init(&pm8001_ha->bitmap_lock); 250e590adfdSSakthivel K PM8001_INIT_DBG(pm8001_ha, 251e590adfdSSakthivel K pm8001_printk("pm8001_alloc: PHY:%x\n", 252e590adfdSSakthivel K pm8001_ha->chip->n_phy)); 2531cc943aeSjack wang for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 254dbf9bfe6Sjack wang pm8001_phy_init(pm8001_ha, i); 2551cc943aeSjack wang pm8001_ha->port[i].wide_port_phymap = 0; 2561cc943aeSjack wang pm8001_ha->port[i].port_attached = 0; 2571cc943aeSjack wang pm8001_ha->port[i].port_state = 0; 2581cc943aeSjack wang INIT_LIST_HEAD(&pm8001_ha->port[i].list); 2591cc943aeSjack wang } 260dbf9bfe6Sjack wang 26197ee2088Sjack_wang pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL); 26297ee2088Sjack_wang if (!pm8001_ha->tags) 26397ee2088Sjack_wang goto err_out; 264dbf9bfe6Sjack wang /* MPI Memory region 1 for AAP Event Log for fw */ 265dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[AAP1].num_elements = 1; 266dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE; 267dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE; 268dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[AAP1].alignment = 32; 269dbf9bfe6Sjack wang 270dbf9bfe6Sjack wang /* MPI Memory region 2 for IOP Event Log for fw */ 271dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[IOP].num_elements = 1; 272dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE; 273dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE; 274dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[IOP].alignment = 32; 275dbf9bfe6Sjack wang 276e590adfdSSakthivel K for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) { 277dbf9bfe6Sjack wang /* MPI Memory region 3 for consumer Index of inbound queues */ 278e590adfdSSakthivel K pm8001_ha->memoryMap.region[CI+i].num_elements = 1; 279e590adfdSSakthivel K pm8001_ha->memoryMap.region[CI+i].element_size = 4; 280e590adfdSSakthivel K pm8001_ha->memoryMap.region[CI+i].total_len = 4; 281e590adfdSSakthivel K pm8001_ha->memoryMap.region[CI+i].alignment = 4; 282dbf9bfe6Sjack wang 283e590adfdSSakthivel K if ((ent->driver_data) != chip_8001) { 284dbf9bfe6Sjack wang /* MPI Memory region 5 inbound queues */ 285e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].num_elements = 286e590adfdSSakthivel K PM8001_MPI_QUEUE; 287e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].element_size = 128; 288e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].total_len = 289e590adfdSSakthivel K PM8001_MPI_QUEUE * 128; 290e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].alignment = 128; 291e590adfdSSakthivel K } else { 292e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].num_elements = 293e590adfdSSakthivel K PM8001_MPI_QUEUE; 294e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].element_size = 64; 295e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].total_len = 296e590adfdSSakthivel K PM8001_MPI_QUEUE * 64; 297e590adfdSSakthivel K pm8001_ha->memoryMap.region[IB+i].alignment = 64; 298e590adfdSSakthivel K } 299e590adfdSSakthivel K } 300dbf9bfe6Sjack wang 301e590adfdSSakthivel K for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) { 302e590adfdSSakthivel K /* MPI Memory region 4 for producer Index of outbound queues */ 303e590adfdSSakthivel K pm8001_ha->memoryMap.region[PI+i].num_elements = 1; 304e590adfdSSakthivel K pm8001_ha->memoryMap.region[PI+i].element_size = 4; 305e590adfdSSakthivel K pm8001_ha->memoryMap.region[PI+i].total_len = 4; 306e590adfdSSakthivel K pm8001_ha->memoryMap.region[PI+i].alignment = 4; 307dbf9bfe6Sjack wang 308e590adfdSSakthivel K if (ent->driver_data != chip_8001) { 309e590adfdSSakthivel K /* MPI Memory region 6 Outbound queues */ 310e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].num_elements = 311e590adfdSSakthivel K PM8001_MPI_QUEUE; 312e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].element_size = 128; 313e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].total_len = 314e590adfdSSakthivel K PM8001_MPI_QUEUE * 128; 315e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].alignment = 128; 316e590adfdSSakthivel K } else { 317e590adfdSSakthivel K /* MPI Memory region 6 Outbound queues */ 318e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].num_elements = 319e590adfdSSakthivel K PM8001_MPI_QUEUE; 320e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].element_size = 64; 321e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].total_len = 322e590adfdSSakthivel K PM8001_MPI_QUEUE * 64; 323e590adfdSSakthivel K pm8001_ha->memoryMap.region[OB+i].alignment = 64; 324e590adfdSSakthivel K } 325e590adfdSSakthivel K 326e590adfdSSakthivel K } 327dbf9bfe6Sjack wang /* Memory region write DMA*/ 328dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[NVMD].num_elements = 1; 329dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[NVMD].element_size = 4096; 330dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[NVMD].total_len = 4096; 331dbf9bfe6Sjack wang /* Memory region for devices*/ 332dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1; 333dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES * 334dbf9bfe6Sjack wang sizeof(struct pm8001_device); 335dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES * 336dbf9bfe6Sjack wang sizeof(struct pm8001_device); 337dbf9bfe6Sjack wang 338dbf9bfe6Sjack wang /* Memory region for ccb_info*/ 339dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1; 340dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB * 341dbf9bfe6Sjack wang sizeof(struct pm8001_ccb_info); 342dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB * 343dbf9bfe6Sjack wang sizeof(struct pm8001_ccb_info); 344dbf9bfe6Sjack wang 3451c75a679SSakthivel K /* Memory region for fw flash */ 3461c75a679SSakthivel K pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096; 3471c75a679SSakthivel K 348d078b511SAnand Kumar Santhanam pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1; 349d078b511SAnand Kumar Santhanam pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000; 350d078b511SAnand Kumar Santhanam pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000; 351d078b511SAnand Kumar Santhanam pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000; 352dbf9bfe6Sjack wang for (i = 0; i < USI_MAX_MEMCNT; i++) { 353dbf9bfe6Sjack wang if (pm8001_mem_alloc(pm8001_ha->pdev, 354dbf9bfe6Sjack wang &pm8001_ha->memoryMap.region[i].virt_ptr, 355dbf9bfe6Sjack wang &pm8001_ha->memoryMap.region[i].phys_addr, 356dbf9bfe6Sjack wang &pm8001_ha->memoryMap.region[i].phys_addr_hi, 357dbf9bfe6Sjack wang &pm8001_ha->memoryMap.region[i].phys_addr_lo, 358dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[i].total_len, 359dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[i].alignment) != 0) { 360dbf9bfe6Sjack wang PM8001_FAIL_DBG(pm8001_ha, 361dbf9bfe6Sjack wang pm8001_printk("Mem%d alloc failed\n", 362dbf9bfe6Sjack wang i)); 363dbf9bfe6Sjack wang goto err_out; 364dbf9bfe6Sjack wang } 365dbf9bfe6Sjack wang } 366dbf9bfe6Sjack wang 367dbf9bfe6Sjack wang pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr; 368dbf9bfe6Sjack wang for (i = 0; i < PM8001_MAX_DEVICES; i++) { 369aa9f8328SJames Bottomley pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED; 370dbf9bfe6Sjack wang pm8001_ha->devices[i].id = i; 371dbf9bfe6Sjack wang pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES; 372dbf9bfe6Sjack wang pm8001_ha->devices[i].running_req = 0; 373dbf9bfe6Sjack wang } 374dbf9bfe6Sjack wang pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr; 375dbf9bfe6Sjack wang for (i = 0; i < PM8001_MAX_CCB; i++) { 376dbf9bfe6Sjack wang pm8001_ha->ccb_info[i].ccb_dma_handle = 377dbf9bfe6Sjack wang pm8001_ha->memoryMap.region[CCB_MEM].phys_addr + 378dbf9bfe6Sjack wang i * sizeof(struct pm8001_ccb_info); 37997ee2088Sjack_wang pm8001_ha->ccb_info[i].task = NULL; 38097ee2088Sjack_wang pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff; 38197ee2088Sjack_wang pm8001_ha->ccb_info[i].device = NULL; 382dbf9bfe6Sjack wang ++pm8001_ha->tags_num; 383dbf9bfe6Sjack wang } 384dbf9bfe6Sjack wang pm8001_ha->flags = PM8001F_INIT_TIME; 385dbf9bfe6Sjack wang /* Initialize tags */ 386dbf9bfe6Sjack wang pm8001_tag_init(pm8001_ha); 387dbf9bfe6Sjack wang return 0; 388dbf9bfe6Sjack wang err_out: 389dbf9bfe6Sjack wang return 1; 390dbf9bfe6Sjack wang } 391dbf9bfe6Sjack wang 392dbf9bfe6Sjack wang /** 393dbf9bfe6Sjack wang * pm8001_ioremap - remap the pci high physical address to kernal virtual 394dbf9bfe6Sjack wang * address so that we can access them. 395dbf9bfe6Sjack wang * @pm8001_ha:our hba structure. 396dbf9bfe6Sjack wang */ 397dbf9bfe6Sjack wang static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha) 398dbf9bfe6Sjack wang { 399dbf9bfe6Sjack wang u32 bar; 400dbf9bfe6Sjack wang u32 logicalBar = 0; 401dbf9bfe6Sjack wang struct pci_dev *pdev; 402dbf9bfe6Sjack wang 403dbf9bfe6Sjack wang pdev = pm8001_ha->pdev; 404dbf9bfe6Sjack wang /* map pci mem (PMC pci base 0-3)*/ 405dbf9bfe6Sjack wang for (bar = 0; bar < 6; bar++) { 406dbf9bfe6Sjack wang /* 407dbf9bfe6Sjack wang ** logical BARs for SPC: 408dbf9bfe6Sjack wang ** bar 0 and 1 - logical BAR0 409dbf9bfe6Sjack wang ** bar 2 and 3 - logical BAR1 410dbf9bfe6Sjack wang ** bar4 - logical BAR2 411dbf9bfe6Sjack wang ** bar5 - logical BAR3 412dbf9bfe6Sjack wang ** Skip the appropriate assignments: 413dbf9bfe6Sjack wang */ 414dbf9bfe6Sjack wang if ((bar == 1) || (bar == 3)) 415dbf9bfe6Sjack wang continue; 416dbf9bfe6Sjack wang if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) { 417dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].membase = 418dbf9bfe6Sjack wang pci_resource_start(pdev, bar); 419dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].membase &= 420dbf9bfe6Sjack wang (u32)PCI_BASE_ADDRESS_MEM_MASK; 421dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].memsize = 422dbf9bfe6Sjack wang pci_resource_len(pdev, bar); 423dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].memvirtaddr = 424dbf9bfe6Sjack wang ioremap(pm8001_ha->io_mem[logicalBar].membase, 425dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].memsize); 426dbf9bfe6Sjack wang PM8001_INIT_DBG(pm8001_ha, 427e590adfdSSakthivel K pm8001_printk("PCI: bar %d, logicalBar %d ", 428e590adfdSSakthivel K bar, logicalBar)); 429e590adfdSSakthivel K PM8001_INIT_DBG(pm8001_ha, pm8001_printk( 430e590adfdSSakthivel K "base addr %llx virt_addr=%llx len=%d\n", 431e590adfdSSakthivel K (u64)pm8001_ha->io_mem[logicalBar].membase, 432da1dccceSAnand Kumar Santhanam (u64)(unsigned long) 433da1dccceSAnand Kumar Santhanam pm8001_ha->io_mem[logicalBar].memvirtaddr, 434dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].memsize)); 435dbf9bfe6Sjack wang } else { 436dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].membase = 0; 437dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].memsize = 0; 438dbf9bfe6Sjack wang pm8001_ha->io_mem[logicalBar].memvirtaddr = 0; 439dbf9bfe6Sjack wang } 440dbf9bfe6Sjack wang logicalBar++; 441dbf9bfe6Sjack wang } 442dbf9bfe6Sjack wang return 0; 443dbf9bfe6Sjack wang } 444dbf9bfe6Sjack wang 445dbf9bfe6Sjack wang /** 446dbf9bfe6Sjack wang * pm8001_pci_alloc - initialize our ha card structure 447dbf9bfe6Sjack wang * @pdev: pci device. 448dbf9bfe6Sjack wang * @ent: ent 449dbf9bfe6Sjack wang * @shost: scsi host struct which has been initialized before. 450dbf9bfe6Sjack wang */ 4516f039790SGreg Kroah-Hartman static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev, 452e590adfdSSakthivel K const struct pci_device_id *ent, 4536f039790SGreg Kroah-Hartman struct Scsi_Host *shost) 454e590adfdSSakthivel K 455dbf9bfe6Sjack wang { 456dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 457dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 4586cd60b37SNikith Ganigarakoppal int j; 459dbf9bfe6Sjack wang 460dbf9bfe6Sjack wang pm8001_ha = sha->lldd_ha; 461dbf9bfe6Sjack wang if (!pm8001_ha) 462dbf9bfe6Sjack wang return NULL; 463dbf9bfe6Sjack wang 464dbf9bfe6Sjack wang pm8001_ha->pdev = pdev; 465dbf9bfe6Sjack wang pm8001_ha->dev = &pdev->dev; 466e590adfdSSakthivel K pm8001_ha->chip_id = ent->driver_data; 467dbf9bfe6Sjack wang pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id]; 468dbf9bfe6Sjack wang pm8001_ha->irq = pdev->irq; 469dbf9bfe6Sjack wang pm8001_ha->sas = sha; 470dbf9bfe6Sjack wang pm8001_ha->shost = shost; 471dbf9bfe6Sjack wang pm8001_ha->id = pm8001_id++; 472dbf9bfe6Sjack wang pm8001_ha->logging_level = 0x01; 473dbf9bfe6Sjack wang sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id); 474f74cf271SSakthivel K /* IOMB size is 128 for 8088/89 controllers */ 475f74cf271SSakthivel K if (pm8001_ha->chip_id != chip_8001) 476f74cf271SSakthivel K pm8001_ha->iomb_size = IOMB_SIZE_SPCV; 477f74cf271SSakthivel K else 478f74cf271SSakthivel K pm8001_ha->iomb_size = IOMB_SIZE_SPC; 479f74cf271SSakthivel K 480dbf9bfe6Sjack wang #ifdef PM8001_USE_TASKLET 4816cd60b37SNikith Ganigarakoppal /* Tasklet for non msi-x interrupt handler */ 4826cd60b37SNikith Ganigarakoppal if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) 4836cd60b37SNikith Ganigarakoppal tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, 4846cd60b37SNikith Ganigarakoppal (unsigned long)&(pm8001_ha->irq_vector[0])); 4856cd60b37SNikith Ganigarakoppal else 4866cd60b37SNikith Ganigarakoppal for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 4876cd60b37SNikith Ganigarakoppal tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, 4886cd60b37SNikith Ganigarakoppal (unsigned long)&(pm8001_ha->irq_vector[j])); 489dbf9bfe6Sjack wang #endif 490dbf9bfe6Sjack wang pm8001_ioremap(pm8001_ha); 491e590adfdSSakthivel K if (!pm8001_alloc(pm8001_ha, ent)) 492dbf9bfe6Sjack wang return pm8001_ha; 493dbf9bfe6Sjack wang pm8001_free(pm8001_ha); 494dbf9bfe6Sjack wang return NULL; 495dbf9bfe6Sjack wang } 496dbf9bfe6Sjack wang 497dbf9bfe6Sjack wang /** 498dbf9bfe6Sjack wang * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit 499dbf9bfe6Sjack wang * @pdev: pci device. 500dbf9bfe6Sjack wang */ 501dbf9bfe6Sjack wang static int pci_go_44(struct pci_dev *pdev) 502dbf9bfe6Sjack wang { 503dbf9bfe6Sjack wang int rc; 504dbf9bfe6Sjack wang 505dbf9bfe6Sjack wang if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) { 506dbf9bfe6Sjack wang rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44)); 507dbf9bfe6Sjack wang if (rc) { 508dbf9bfe6Sjack wang rc = pci_set_consistent_dma_mask(pdev, 509dbf9bfe6Sjack wang DMA_BIT_MASK(32)); 510dbf9bfe6Sjack wang if (rc) { 511dbf9bfe6Sjack wang dev_printk(KERN_ERR, &pdev->dev, 512dbf9bfe6Sjack wang "44-bit DMA enable failed\n"); 513dbf9bfe6Sjack wang return rc; 514dbf9bfe6Sjack wang } 515dbf9bfe6Sjack wang } 516dbf9bfe6Sjack wang } else { 517dbf9bfe6Sjack wang rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 518dbf9bfe6Sjack wang if (rc) { 519dbf9bfe6Sjack wang dev_printk(KERN_ERR, &pdev->dev, 520dbf9bfe6Sjack wang "32-bit DMA enable failed\n"); 521dbf9bfe6Sjack wang return rc; 522dbf9bfe6Sjack wang } 523dbf9bfe6Sjack wang rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); 524dbf9bfe6Sjack wang if (rc) { 525dbf9bfe6Sjack wang dev_printk(KERN_ERR, &pdev->dev, 526dbf9bfe6Sjack wang "32-bit consistent DMA enable failed\n"); 527dbf9bfe6Sjack wang return rc; 528dbf9bfe6Sjack wang } 529dbf9bfe6Sjack wang } 530dbf9bfe6Sjack wang return rc; 531dbf9bfe6Sjack wang } 532dbf9bfe6Sjack wang 533dbf9bfe6Sjack wang /** 534dbf9bfe6Sjack wang * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them. 535dbf9bfe6Sjack wang * @shost: scsi host which has been allocated outside. 536dbf9bfe6Sjack wang * @chip_info: our ha struct. 537dbf9bfe6Sjack wang */ 5386f039790SGreg Kroah-Hartman static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost, 539dbf9bfe6Sjack wang const struct pm8001_chip_info *chip_info) 540dbf9bfe6Sjack wang { 541dbf9bfe6Sjack wang int phy_nr, port_nr; 542dbf9bfe6Sjack wang struct asd_sas_phy **arr_phy; 543dbf9bfe6Sjack wang struct asd_sas_port **arr_port; 544dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 545dbf9bfe6Sjack wang 546dbf9bfe6Sjack wang phy_nr = chip_info->n_phy; 547dbf9bfe6Sjack wang port_nr = phy_nr; 548dbf9bfe6Sjack wang memset(sha, 0x00, sizeof(*sha)); 549dbf9bfe6Sjack wang arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL); 550dbf9bfe6Sjack wang if (!arr_phy) 551dbf9bfe6Sjack wang goto exit; 552dbf9bfe6Sjack wang arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL); 553dbf9bfe6Sjack wang if (!arr_port) 554dbf9bfe6Sjack wang goto exit_free2; 555dbf9bfe6Sjack wang 556dbf9bfe6Sjack wang sha->sas_phy = arr_phy; 557dbf9bfe6Sjack wang sha->sas_port = arr_port; 558dbf9bfe6Sjack wang sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL); 559dbf9bfe6Sjack wang if (!sha->lldd_ha) 560dbf9bfe6Sjack wang goto exit_free1; 561dbf9bfe6Sjack wang 562dbf9bfe6Sjack wang shost->transportt = pm8001_stt; 563dbf9bfe6Sjack wang shost->max_id = PM8001_MAX_DEVICES; 564dbf9bfe6Sjack wang shost->max_lun = 8; 565dbf9bfe6Sjack wang shost->max_channel = 0; 566dbf9bfe6Sjack wang shost->unique_id = pm8001_id; 567dbf9bfe6Sjack wang shost->max_cmd_len = 16; 568dbf9bfe6Sjack wang shost->can_queue = PM8001_CAN_QUEUE; 569dbf9bfe6Sjack wang shost->cmd_per_lun = 32; 570dbf9bfe6Sjack wang return 0; 571dbf9bfe6Sjack wang exit_free1: 572dbf9bfe6Sjack wang kfree(arr_port); 573dbf9bfe6Sjack wang exit_free2: 574dbf9bfe6Sjack wang kfree(arr_phy); 575dbf9bfe6Sjack wang exit: 576dbf9bfe6Sjack wang return -1; 577dbf9bfe6Sjack wang } 578dbf9bfe6Sjack wang 579dbf9bfe6Sjack wang /** 580dbf9bfe6Sjack wang * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas 581dbf9bfe6Sjack wang * @shost: scsi host which has been allocated outside 582dbf9bfe6Sjack wang * @chip_info: our ha struct. 583dbf9bfe6Sjack wang */ 5846f039790SGreg Kroah-Hartman static void pm8001_post_sas_ha_init(struct Scsi_Host *shost, 585dbf9bfe6Sjack wang const struct pm8001_chip_info *chip_info) 586dbf9bfe6Sjack wang { 587dbf9bfe6Sjack wang int i = 0; 588dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 589dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 590dbf9bfe6Sjack wang 591dbf9bfe6Sjack wang pm8001_ha = sha->lldd_ha; 592dbf9bfe6Sjack wang for (i = 0; i < chip_info->n_phy; i++) { 593dbf9bfe6Sjack wang sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy; 594dbf9bfe6Sjack wang sha->sas_port[i] = &pm8001_ha->port[i].sas_port; 595dbf9bfe6Sjack wang } 596dbf9bfe6Sjack wang sha->sas_ha_name = DRV_NAME; 597dbf9bfe6Sjack wang sha->dev = pm8001_ha->dev; 598dbf9bfe6Sjack wang 599dbf9bfe6Sjack wang sha->lldd_module = THIS_MODULE; 600dbf9bfe6Sjack wang sha->sas_addr = &pm8001_ha->sas_addr[0]; 601dbf9bfe6Sjack wang sha->num_phys = chip_info->n_phy; 602dbf9bfe6Sjack wang sha->lldd_max_execute_num = 1; 603dbf9bfe6Sjack wang sha->lldd_queue_size = PM8001_CAN_QUEUE; 604dbf9bfe6Sjack wang sha->core.shost = shost; 605dbf9bfe6Sjack wang } 606dbf9bfe6Sjack wang 607dbf9bfe6Sjack wang /** 608dbf9bfe6Sjack wang * pm8001_init_sas_add - initialize sas address 609dbf9bfe6Sjack wang * @chip_info: our ha struct. 610dbf9bfe6Sjack wang * 611dbf9bfe6Sjack wang * Currently we just set the fixed SAS address to our HBA,for manufacture, 612dbf9bfe6Sjack wang * it should read from the EEPROM 613dbf9bfe6Sjack wang */ 614dbf9bfe6Sjack wang static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) 615dbf9bfe6Sjack wang { 616a33a0155SSakthivel K u8 i, j; 617dbf9bfe6Sjack wang #ifdef PM8001_READ_VPD 618a33a0155SSakthivel K /* For new SPC controllers WWN is stored in flash vpd 619a33a0155SSakthivel K * For SPC/SPCve controllers WWN is stored in EEPROM 620a33a0155SSakthivel K * For Older SPC WWN is stored in NVMD 621a33a0155SSakthivel K */ 622dbf9bfe6Sjack wang DECLARE_COMPLETION_ONSTACK(completion); 6237c8356d9Sjack wang struct pm8001_ioctl_payload payload; 624a33a0155SSakthivel K u16 deviceid; 625a33a0155SSakthivel K pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid); 626dbf9bfe6Sjack wang pm8001_ha->nvmd_completion = &completion; 627a33a0155SSakthivel K 628a33a0155SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 629f49d2132SBradley Grove if (deviceid == 0x8081 || deviceid == 0x0042) { 630a33a0155SSakthivel K payload.minor_function = 4; 631a33a0155SSakthivel K payload.length = 4096; 632a33a0155SSakthivel K } else { 6337c8356d9Sjack wang payload.minor_function = 0; 6347c8356d9Sjack wang payload.length = 128; 635a33a0155SSakthivel K } 636a33a0155SSakthivel K } else { 637a33a0155SSakthivel K payload.minor_function = 1; 638a33a0155SSakthivel K payload.length = 4096; 639a33a0155SSakthivel K } 640a33a0155SSakthivel K payload.offset = 0; 641a33a0155SSakthivel K payload.func_specific = kzalloc(payload.length, GFP_KERNEL); 6427c8356d9Sjack wang PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 643dbf9bfe6Sjack wang wait_for_completion(&completion); 644a33a0155SSakthivel K 645a33a0155SSakthivel K for (i = 0, j = 0; i <= 7; i++, j++) { 646a33a0155SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 647a33a0155SSakthivel K if (deviceid == 0x8081) 648a33a0155SSakthivel K pm8001_ha->sas_addr[j] = 649a33a0155SSakthivel K payload.func_specific[0x704 + i]; 650f49d2132SBradley Grove else if (deviceid == 0x0042) 651f49d2132SBradley Grove pm8001_ha->sas_addr[j] = 652f49d2132SBradley Grove payload.func_specific[0x010 + i]; 653a33a0155SSakthivel K } else 654a33a0155SSakthivel K pm8001_ha->sas_addr[j] = 655a33a0155SSakthivel K payload.func_specific[0x804 + i]; 656a33a0155SSakthivel K } 657a33a0155SSakthivel K 658dbf9bfe6Sjack wang for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 659a33a0155SSakthivel K memcpy(&pm8001_ha->phy[i].dev_sas_addr, 660a33a0155SSakthivel K pm8001_ha->sas_addr, SAS_ADDR_SIZE); 661dbf9bfe6Sjack wang PM8001_INIT_DBG(pm8001_ha, 6627c8356d9Sjack wang pm8001_printk("phy %d sas_addr = %016llx\n", i, 6637c8356d9Sjack wang pm8001_ha->phy[i].dev_sas_addr)); 664dbf9bfe6Sjack wang } 665dbf9bfe6Sjack wang #else 666dbf9bfe6Sjack wang for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 6677c8356d9Sjack wang pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL; 668dbf9bfe6Sjack wang pm8001_ha->phy[i].dev_sas_addr = 669dbf9bfe6Sjack wang cpu_to_be64((u64) 670dbf9bfe6Sjack wang (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr)); 671dbf9bfe6Sjack wang } 672dbf9bfe6Sjack wang memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr, 673dbf9bfe6Sjack wang SAS_ADDR_SIZE); 674dbf9bfe6Sjack wang #endif 675dbf9bfe6Sjack wang } 676dbf9bfe6Sjack wang 67727909407SAnand Kumar Santhanam /* 67827909407SAnand Kumar Santhanam * pm8001_get_phy_settings_info : Read phy setting values. 67927909407SAnand Kumar Santhanam * @pm8001_ha : our hba. 68027909407SAnand Kumar Santhanam */ 681f2c6f180SMaurizio Lombardi static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) 68227909407SAnand Kumar Santhanam { 68327909407SAnand Kumar Santhanam 68427909407SAnand Kumar Santhanam #ifdef PM8001_READ_VPD 68527909407SAnand Kumar Santhanam /*OPTION ROM FLASH read for the SPC cards */ 68627909407SAnand Kumar Santhanam DECLARE_COMPLETION_ONSTACK(completion); 68727909407SAnand Kumar Santhanam struct pm8001_ioctl_payload payload; 68827909407SAnand Kumar Santhanam 68927909407SAnand Kumar Santhanam pm8001_ha->nvmd_completion = &completion; 69027909407SAnand Kumar Santhanam /* SAS ADDRESS read from flash / EEPROM */ 69127909407SAnand Kumar Santhanam payload.minor_function = 6; 69227909407SAnand Kumar Santhanam payload.offset = 0; 69327909407SAnand Kumar Santhanam payload.length = 4096; 69427909407SAnand Kumar Santhanam payload.func_specific = kzalloc(4096, GFP_KERNEL); 695f2c6f180SMaurizio Lombardi if (!payload.func_specific) 696f2c6f180SMaurizio Lombardi return -ENOMEM; 69727909407SAnand Kumar Santhanam /* Read phy setting values from flash */ 69827909407SAnand Kumar Santhanam PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 69927909407SAnand Kumar Santhanam wait_for_completion(&completion); 70027909407SAnand Kumar Santhanam pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific); 701f2c6f180SMaurizio Lombardi kfree(payload.func_specific); 70227909407SAnand Kumar Santhanam #endif 703f2c6f180SMaurizio Lombardi return 0; 70427909407SAnand Kumar Santhanam } 70527909407SAnand Kumar Santhanam 706dbf9bfe6Sjack wang #ifdef PM8001_USE_MSIX 707dbf9bfe6Sjack wang /** 708dbf9bfe6Sjack wang * pm8001_setup_msix - enable MSI-X interrupt 709dbf9bfe6Sjack wang * @chip_info: our ha struct. 710dbf9bfe6Sjack wang * @irq_handler: irq_handler 711dbf9bfe6Sjack wang */ 7121245ee59SSakthivel K static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha) 713dbf9bfe6Sjack wang { 714dbf9bfe6Sjack wang u32 i = 0, j = 0; 7151245ee59SSakthivel K u32 number_of_intr; 716dbf9bfe6Sjack wang int flag = 0; 717dbf9bfe6Sjack wang u32 max_entry; 718dbf9bfe6Sjack wang int rc; 7191245ee59SSakthivel K static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3]; 7201245ee59SSakthivel K 7211245ee59SSakthivel K /* SPCv controllers supports 64 msi-x */ 7221245ee59SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 7231245ee59SSakthivel K number_of_intr = 1; 7241245ee59SSakthivel K } else { 7251245ee59SSakthivel K number_of_intr = PM8001_MAX_MSIX_VEC; 7261245ee59SSakthivel K flag &= ~IRQF_SHARED; 7271245ee59SSakthivel K } 7281245ee59SSakthivel K 729dbf9bfe6Sjack wang max_entry = sizeof(pm8001_ha->msix_entries) / 730dbf9bfe6Sjack wang sizeof(pm8001_ha->msix_entries[0]); 731dbf9bfe6Sjack wang for (i = 0; i < max_entry ; i++) 732dbf9bfe6Sjack wang pm8001_ha->msix_entries[i].entry = i; 733dbf9bfe6Sjack wang rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries, 734dbf9bfe6Sjack wang number_of_intr); 735dbf9bfe6Sjack wang pm8001_ha->number_of_intr = number_of_intr; 736dbf9bfe6Sjack wang if (!rc) { 7371245ee59SSakthivel K PM8001_INIT_DBG(pm8001_ha, pm8001_printk( 7381245ee59SSakthivel K "pci_enable_msix request ret:%d no of intr %d\n", 7391245ee59SSakthivel K rc, pm8001_ha->number_of_intr)); 7401245ee59SSakthivel K 7411245ee59SSakthivel K 742dbf9bfe6Sjack wang for (i = 0; i < number_of_intr; i++) { 7431245ee59SSakthivel K snprintf(intr_drvname[i], sizeof(intr_drvname[0]), 7441245ee59SSakthivel K DRV_NAME"%d", i); 7456cd60b37SNikith Ganigarakoppal pm8001_ha->irq_vector[i].irq_id = i; 7466cd60b37SNikith Ganigarakoppal pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; 7476cd60b37SNikith Ganigarakoppal 748dbf9bfe6Sjack wang if (request_irq(pm8001_ha->msix_entries[i].vector, 7491245ee59SSakthivel K pm8001_interrupt_handler_msix, flag, 7506cd60b37SNikith Ganigarakoppal intr_drvname[i], &(pm8001_ha->irq_vector[i]))) { 751dbf9bfe6Sjack wang for (j = 0; j < i; j++) 752dbf9bfe6Sjack wang free_irq( 753dbf9bfe6Sjack wang pm8001_ha->msix_entries[j].vector, 7546cd60b37SNikith Ganigarakoppal &(pm8001_ha->irq_vector[i])); 755dbf9bfe6Sjack wang pci_disable_msix(pm8001_ha->pdev); 756dbf9bfe6Sjack wang break; 757dbf9bfe6Sjack wang } 758dbf9bfe6Sjack wang } 759dbf9bfe6Sjack wang } 760dbf9bfe6Sjack wang return rc; 761dbf9bfe6Sjack wang } 762dbf9bfe6Sjack wang #endif 763dbf9bfe6Sjack wang 764dbf9bfe6Sjack wang /** 765dbf9bfe6Sjack wang * pm8001_request_irq - register interrupt 766dbf9bfe6Sjack wang * @chip_info: our ha struct. 767dbf9bfe6Sjack wang */ 768dbf9bfe6Sjack wang static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha) 769dbf9bfe6Sjack wang { 770dbf9bfe6Sjack wang struct pci_dev *pdev; 77197ee2088Sjack_wang int rc; 772dbf9bfe6Sjack wang 773dbf9bfe6Sjack wang pdev = pm8001_ha->pdev; 774dbf9bfe6Sjack wang 775dbf9bfe6Sjack wang #ifdef PM8001_USE_MSIX 776e1e819ccSYijing Wang if (pdev->msix_cap) 7771245ee59SSakthivel K return pm8001_setup_msix(pm8001_ha); 7781245ee59SSakthivel K else { 7791245ee59SSakthivel K PM8001_INIT_DBG(pm8001_ha, 7801245ee59SSakthivel K pm8001_printk("MSIX not supported!!!\n")); 781dbf9bfe6Sjack wang goto intx; 7821245ee59SSakthivel K } 783dbf9bfe6Sjack wang #endif 784dbf9bfe6Sjack wang 785dbf9bfe6Sjack wang intx: 786b595076aSUwe Kleine-König /* initialize the INT-X interrupt */ 7871245ee59SSakthivel K rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED, 7881245ee59SSakthivel K DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost)); 789dbf9bfe6Sjack wang return rc; 790dbf9bfe6Sjack wang } 791dbf9bfe6Sjack wang 792dbf9bfe6Sjack wang /** 793dbf9bfe6Sjack wang * pm8001_pci_probe - probe supported device 794dbf9bfe6Sjack wang * @pdev: pci device which kernel has been prepared for. 795dbf9bfe6Sjack wang * @ent: pci device id 796dbf9bfe6Sjack wang * 797dbf9bfe6Sjack wang * This function is the main initialization function, when register a new 798dbf9bfe6Sjack wang * pci driver it is invoked, all struct an hardware initilization should be done 799dbf9bfe6Sjack wang * here, also, register interrupt 800dbf9bfe6Sjack wang */ 8016f039790SGreg Kroah-Hartman static int pm8001_pci_probe(struct pci_dev *pdev, 802dbf9bfe6Sjack wang const struct pci_device_id *ent) 803dbf9bfe6Sjack wang { 804dbf9bfe6Sjack wang unsigned int rc; 805dbf9bfe6Sjack wang u32 pci_reg; 8061245ee59SSakthivel K u8 i = 0; 807dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 808dbf9bfe6Sjack wang struct Scsi_Host *shost = NULL; 809dbf9bfe6Sjack wang const struct pm8001_chip_info *chip; 810dbf9bfe6Sjack wang 811dbf9bfe6Sjack wang dev_printk(KERN_INFO, &pdev->dev, 812a70b8fc3SSakthivel K "pm80xx: driver version %s\n", DRV_VERSION); 813dbf9bfe6Sjack wang rc = pci_enable_device(pdev); 814dbf9bfe6Sjack wang if (rc) 815dbf9bfe6Sjack wang goto err_out_enable; 816dbf9bfe6Sjack wang pci_set_master(pdev); 817dbf9bfe6Sjack wang /* 818dbf9bfe6Sjack wang * Enable pci slot busmaster by setting pci command register. 819dbf9bfe6Sjack wang * This is required by FW for Cyclone card. 820dbf9bfe6Sjack wang */ 821dbf9bfe6Sjack wang 822dbf9bfe6Sjack wang pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg); 823dbf9bfe6Sjack wang pci_reg |= 0x157; 824dbf9bfe6Sjack wang pci_write_config_dword(pdev, PCI_COMMAND, pci_reg); 825dbf9bfe6Sjack wang rc = pci_request_regions(pdev, DRV_NAME); 826dbf9bfe6Sjack wang if (rc) 827dbf9bfe6Sjack wang goto err_out_disable; 828dbf9bfe6Sjack wang rc = pci_go_44(pdev); 829dbf9bfe6Sjack wang if (rc) 830dbf9bfe6Sjack wang goto err_out_regions; 831dbf9bfe6Sjack wang 832dbf9bfe6Sjack wang shost = scsi_host_alloc(&pm8001_sht, sizeof(void *)); 833dbf9bfe6Sjack wang if (!shost) { 834dbf9bfe6Sjack wang rc = -ENOMEM; 835dbf9bfe6Sjack wang goto err_out_regions; 836dbf9bfe6Sjack wang } 837dbf9bfe6Sjack wang chip = &pm8001_chips[ent->driver_data]; 838dbf9bfe6Sjack wang SHOST_TO_SAS_HA(shost) = 8393dbf6c00SJulia Lawall kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL); 840dbf9bfe6Sjack wang if (!SHOST_TO_SAS_HA(shost)) { 841dbf9bfe6Sjack wang rc = -ENOMEM; 842dbf9bfe6Sjack wang goto err_out_free_host; 843dbf9bfe6Sjack wang } 844dbf9bfe6Sjack wang 845dbf9bfe6Sjack wang rc = pm8001_prep_sas_ha_init(shost, chip); 846dbf9bfe6Sjack wang if (rc) { 847dbf9bfe6Sjack wang rc = -ENOMEM; 848dbf9bfe6Sjack wang goto err_out_free; 849dbf9bfe6Sjack wang } 850dbf9bfe6Sjack wang pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost)); 851e590adfdSSakthivel K /* ent->driver variable is used to differentiate between controllers */ 852e590adfdSSakthivel K pm8001_ha = pm8001_pci_alloc(pdev, ent, shost); 853dbf9bfe6Sjack wang if (!pm8001_ha) { 854dbf9bfe6Sjack wang rc = -ENOMEM; 855dbf9bfe6Sjack wang goto err_out_free; 856dbf9bfe6Sjack wang } 857dbf9bfe6Sjack wang list_add_tail(&pm8001_ha->list, &hba_list); 858f5860992SSakthivel K PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 859dbf9bfe6Sjack wang rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 860a70b8fc3SSakthivel K if (rc) { 861a70b8fc3SSakthivel K PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( 862a70b8fc3SSakthivel K "chip_init failed [ret: %d]\n", rc)); 863dbf9bfe6Sjack wang goto err_out_ha_free; 864a70b8fc3SSakthivel K } 865dbf9bfe6Sjack wang 866dbf9bfe6Sjack wang rc = scsi_add_host(shost, &pdev->dev); 867dbf9bfe6Sjack wang if (rc) 868dbf9bfe6Sjack wang goto err_out_ha_free; 869dbf9bfe6Sjack wang rc = pm8001_request_irq(pm8001_ha); 870a70b8fc3SSakthivel K if (rc) { 871a70b8fc3SSakthivel K PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( 872a70b8fc3SSakthivel K "pm8001_request_irq failed [ret: %d]\n", rc)); 873dbf9bfe6Sjack wang goto err_out_shost; 874a70b8fc3SSakthivel K } 875dbf9bfe6Sjack wang 876f74cf271SSakthivel K PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); 8771245ee59SSakthivel K if (pm8001_ha->chip_id != chip_8001) { 8781245ee59SSakthivel K for (i = 1; i < pm8001_ha->number_of_intr; i++) 8791245ee59SSakthivel K PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); 880a6cb3d01SSakthivel K /* setup thermal configuration. */ 881a6cb3d01SSakthivel K pm80xx_set_thermal_config(pm8001_ha); 8821245ee59SSakthivel K } 8831245ee59SSakthivel K 884dbf9bfe6Sjack wang pm8001_init_sas_add(pm8001_ha); 88527909407SAnand Kumar Santhanam /* phy setting support for motherboard controller */ 88627909407SAnand Kumar Santhanam if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 && 887f2c6f180SMaurizio Lombardi pdev->subsystem_vendor != 0) { 888f2c6f180SMaurizio Lombardi rc = pm8001_get_phy_settings_info(pm8001_ha); 889f2c6f180SMaurizio Lombardi if (rc) 890f2c6f180SMaurizio Lombardi goto err_out_shost; 891f2c6f180SMaurizio Lombardi } 892dbf9bfe6Sjack wang pm8001_post_sas_ha_init(shost, chip); 893dbf9bfe6Sjack wang rc = sas_register_ha(SHOST_TO_SAS_HA(shost)); 894dbf9bfe6Sjack wang if (rc) 895dbf9bfe6Sjack wang goto err_out_shost; 896dbf9bfe6Sjack wang scsi_scan_host(pm8001_ha->shost); 897dbf9bfe6Sjack wang return 0; 898dbf9bfe6Sjack wang 899dbf9bfe6Sjack wang err_out_shost: 900dbf9bfe6Sjack wang scsi_remove_host(pm8001_ha->shost); 901dbf9bfe6Sjack wang err_out_ha_free: 902dbf9bfe6Sjack wang pm8001_free(pm8001_ha); 903dbf9bfe6Sjack wang err_out_free: 904dbf9bfe6Sjack wang kfree(SHOST_TO_SAS_HA(shost)); 905dbf9bfe6Sjack wang err_out_free_host: 906dbf9bfe6Sjack wang kfree(shost); 907dbf9bfe6Sjack wang err_out_regions: 908dbf9bfe6Sjack wang pci_release_regions(pdev); 909dbf9bfe6Sjack wang err_out_disable: 910dbf9bfe6Sjack wang pci_disable_device(pdev); 911dbf9bfe6Sjack wang err_out_enable: 912dbf9bfe6Sjack wang return rc; 913dbf9bfe6Sjack wang } 914dbf9bfe6Sjack wang 9156f039790SGreg Kroah-Hartman static void pm8001_pci_remove(struct pci_dev *pdev) 916dbf9bfe6Sjack wang { 917dbf9bfe6Sjack wang struct sas_ha_struct *sha = pci_get_drvdata(pdev); 918dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 9196cd60b37SNikith Ganigarakoppal int i, j; 920dbf9bfe6Sjack wang pm8001_ha = sha->lldd_ha; 921dbf9bfe6Sjack wang sas_unregister_ha(sha); 922dbf9bfe6Sjack wang sas_remove_host(pm8001_ha->shost); 923dbf9bfe6Sjack wang list_del(&pm8001_ha->list); 924dbf9bfe6Sjack wang scsi_remove_host(pm8001_ha->shost); 9251245ee59SSakthivel K PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 926f5860992SSakthivel K PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 927dbf9bfe6Sjack wang 928dbf9bfe6Sjack wang #ifdef PM8001_USE_MSIX 929dbf9bfe6Sjack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 930dbf9bfe6Sjack wang synchronize_irq(pm8001_ha->msix_entries[i].vector); 931dbf9bfe6Sjack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 9321245ee59SSakthivel K free_irq(pm8001_ha->msix_entries[i].vector, 9336cd60b37SNikith Ganigarakoppal &(pm8001_ha->irq_vector[i])); 934dbf9bfe6Sjack wang pci_disable_msix(pdev); 935dbf9bfe6Sjack wang #else 936dbf9bfe6Sjack wang free_irq(pm8001_ha->irq, sha); 937dbf9bfe6Sjack wang #endif 938dbf9bfe6Sjack wang #ifdef PM8001_USE_TASKLET 9396cd60b37SNikith Ganigarakoppal /* For non-msix and msix interrupts */ 9406cd60b37SNikith Ganigarakoppal if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) 9416cd60b37SNikith Ganigarakoppal tasklet_kill(&pm8001_ha->tasklet[0]); 9426cd60b37SNikith Ganigarakoppal else 9436cd60b37SNikith Ganigarakoppal for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 9446cd60b37SNikith Ganigarakoppal tasklet_kill(&pm8001_ha->tasklet[j]); 945dbf9bfe6Sjack wang #endif 946dbf9bfe6Sjack wang pm8001_free(pm8001_ha); 947dbf9bfe6Sjack wang kfree(sha->sas_phy); 948dbf9bfe6Sjack wang kfree(sha->sas_port); 949dbf9bfe6Sjack wang kfree(sha); 950dbf9bfe6Sjack wang pci_release_regions(pdev); 951dbf9bfe6Sjack wang pci_disable_device(pdev); 952dbf9bfe6Sjack wang } 953dbf9bfe6Sjack wang 954dbf9bfe6Sjack wang /** 955dbf9bfe6Sjack wang * pm8001_pci_suspend - power management suspend main entry point 956dbf9bfe6Sjack wang * @pdev: PCI device struct 957dbf9bfe6Sjack wang * @state: PM state change to (usually PCI_D3) 958dbf9bfe6Sjack wang * 959dbf9bfe6Sjack wang * Returns 0 success, anything else error. 960dbf9bfe6Sjack wang */ 961dbf9bfe6Sjack wang static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state) 962dbf9bfe6Sjack wang { 963dbf9bfe6Sjack wang struct sas_ha_struct *sha = pci_get_drvdata(pdev); 964dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 9656cd60b37SNikith Ganigarakoppal int i, j; 966dbf9bfe6Sjack wang u32 device_state; 967dbf9bfe6Sjack wang pm8001_ha = sha->lldd_ha; 9689f176099SBradley Grove sas_suspend_ha(sha); 969429305e4STejun Heo flush_workqueue(pm8001_wq); 970dbf9bfe6Sjack wang scsi_block_requests(pm8001_ha->shost); 971c8a2ba3fSYijing Wang if (!pdev->pm_cap) { 972c8a2ba3fSYijing Wang dev_err(&pdev->dev, " PCI PM not supported\n"); 973dbf9bfe6Sjack wang return -ENODEV; 974dbf9bfe6Sjack wang } 9751245ee59SSakthivel K PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 976f5860992SSakthivel K PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 977dbf9bfe6Sjack wang #ifdef PM8001_USE_MSIX 978dbf9bfe6Sjack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 979dbf9bfe6Sjack wang synchronize_irq(pm8001_ha->msix_entries[i].vector); 980dbf9bfe6Sjack wang for (i = 0; i < pm8001_ha->number_of_intr; i++) 9811245ee59SSakthivel K free_irq(pm8001_ha->msix_entries[i].vector, 9826cd60b37SNikith Ganigarakoppal &(pm8001_ha->irq_vector[i])); 983dbf9bfe6Sjack wang pci_disable_msix(pdev); 984dbf9bfe6Sjack wang #else 985dbf9bfe6Sjack wang free_irq(pm8001_ha->irq, sha); 986dbf9bfe6Sjack wang #endif 987dbf9bfe6Sjack wang #ifdef PM8001_USE_TASKLET 9886cd60b37SNikith Ganigarakoppal /* For non-msix and msix interrupts */ 9896cd60b37SNikith Ganigarakoppal if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) 9906cd60b37SNikith Ganigarakoppal tasklet_kill(&pm8001_ha->tasklet[0]); 9916cd60b37SNikith Ganigarakoppal else 9926cd60b37SNikith Ganigarakoppal for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 9936cd60b37SNikith Ganigarakoppal tasklet_kill(&pm8001_ha->tasklet[j]); 994dbf9bfe6Sjack wang #endif 995dbf9bfe6Sjack wang device_state = pci_choose_state(pdev, state); 996dbf9bfe6Sjack wang pm8001_printk("pdev=0x%p, slot=%s, entering " 997dbf9bfe6Sjack wang "operating state [D%d]\n", pdev, 998dbf9bfe6Sjack wang pm8001_ha->name, device_state); 999dbf9bfe6Sjack wang pci_save_state(pdev); 1000dbf9bfe6Sjack wang pci_disable_device(pdev); 1001dbf9bfe6Sjack wang pci_set_power_state(pdev, device_state); 1002dbf9bfe6Sjack wang return 0; 1003dbf9bfe6Sjack wang } 1004dbf9bfe6Sjack wang 1005dbf9bfe6Sjack wang /** 1006dbf9bfe6Sjack wang * pm8001_pci_resume - power management resume main entry point 1007dbf9bfe6Sjack wang * @pdev: PCI device struct 1008dbf9bfe6Sjack wang * 1009dbf9bfe6Sjack wang * Returns 0 success, anything else error. 1010dbf9bfe6Sjack wang */ 1011dbf9bfe6Sjack wang static int pm8001_pci_resume(struct pci_dev *pdev) 1012dbf9bfe6Sjack wang { 1013dbf9bfe6Sjack wang struct sas_ha_struct *sha = pci_get_drvdata(pdev); 1014dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha; 1015dbf9bfe6Sjack wang int rc; 10166cd60b37SNikith Ganigarakoppal u8 i = 0, j; 1017dbf9bfe6Sjack wang u32 device_state; 10189f176099SBradley Grove DECLARE_COMPLETION_ONSTACK(completion); 1019dbf9bfe6Sjack wang pm8001_ha = sha->lldd_ha; 1020dbf9bfe6Sjack wang device_state = pdev->current_state; 1021dbf9bfe6Sjack wang 1022dbf9bfe6Sjack wang pm8001_printk("pdev=0x%p, slot=%s, resuming from previous " 1023dbf9bfe6Sjack wang "operating state [D%d]\n", pdev, pm8001_ha->name, device_state); 1024dbf9bfe6Sjack wang 1025dbf9bfe6Sjack wang pci_set_power_state(pdev, PCI_D0); 1026dbf9bfe6Sjack wang pci_enable_wake(pdev, PCI_D0, 0); 1027dbf9bfe6Sjack wang pci_restore_state(pdev); 1028dbf9bfe6Sjack wang rc = pci_enable_device(pdev); 1029dbf9bfe6Sjack wang if (rc) { 1030dbf9bfe6Sjack wang pm8001_printk("slot=%s Enable device failed during resume\n", 1031dbf9bfe6Sjack wang pm8001_ha->name); 1032dbf9bfe6Sjack wang goto err_out_enable; 1033dbf9bfe6Sjack wang } 1034dbf9bfe6Sjack wang 1035dbf9bfe6Sjack wang pci_set_master(pdev); 1036dbf9bfe6Sjack wang rc = pci_go_44(pdev); 1037dbf9bfe6Sjack wang if (rc) 1038dbf9bfe6Sjack wang goto err_out_disable; 10399f176099SBradley Grove sas_prep_resume_ha(sha); 1040f5860992SSakthivel K /* chip soft rst only for spc */ 1041f5860992SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 1042f5860992SSakthivel K PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1043f5860992SSakthivel K PM8001_INIT_DBG(pm8001_ha, 1044f5860992SSakthivel K pm8001_printk("chip soft reset successful\n")); 1045f5860992SSakthivel K } 1046dbf9bfe6Sjack wang rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 1047dbf9bfe6Sjack wang if (rc) 1048dbf9bfe6Sjack wang goto err_out_disable; 10491245ee59SSakthivel K 10501245ee59SSakthivel K /* disable all the interrupt bits */ 10511245ee59SSakthivel K PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 10521245ee59SSakthivel K 1053dbf9bfe6Sjack wang rc = pm8001_request_irq(pm8001_ha); 1054dbf9bfe6Sjack wang if (rc) 1055dbf9bfe6Sjack wang goto err_out_disable; 1056dbf9bfe6Sjack wang #ifdef PM8001_USE_TASKLET 10576cd60b37SNikith Ganigarakoppal /* Tasklet for non msi-x interrupt handler */ 10586cd60b37SNikith Ganigarakoppal if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001)) 10596cd60b37SNikith Ganigarakoppal tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, 10606cd60b37SNikith Ganigarakoppal (unsigned long)&(pm8001_ha->irq_vector[0])); 10616cd60b37SNikith Ganigarakoppal else 10626cd60b37SNikith Ganigarakoppal for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 10636cd60b37SNikith Ganigarakoppal tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, 10646cd60b37SNikith Ganigarakoppal (unsigned long)&(pm8001_ha->irq_vector[j])); 1065dbf9bfe6Sjack wang #endif 1066f74cf271SSakthivel K PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); 10671245ee59SSakthivel K if (pm8001_ha->chip_id != chip_8001) { 10681245ee59SSakthivel K for (i = 1; i < pm8001_ha->number_of_intr; i++) 10691245ee59SSakthivel K PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); 10701245ee59SSakthivel K } 10719f176099SBradley Grove pm8001_ha->flags = PM8001F_RUN_TIME; 10729f176099SBradley Grove for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 10739f176099SBradley Grove pm8001_ha->phy[i].enable_completion = &completion; 10749f176099SBradley Grove PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i); 10759f176099SBradley Grove wait_for_completion(&completion); 10769f176099SBradley Grove } 10779f176099SBradley Grove sas_resume_ha(sha); 1078dbf9bfe6Sjack wang return 0; 1079dbf9bfe6Sjack wang 1080dbf9bfe6Sjack wang err_out_disable: 1081dbf9bfe6Sjack wang scsi_remove_host(pm8001_ha->shost); 1082dbf9bfe6Sjack wang pci_disable_device(pdev); 1083dbf9bfe6Sjack wang err_out_enable: 1084dbf9bfe6Sjack wang return rc; 1085dbf9bfe6Sjack wang } 1086dbf9bfe6Sjack wang 1087e5742101SSakthivel K /* update of pci device, vendor id and driver data with 1088e5742101SSakthivel K * unique value for each of the controller 1089e5742101SSakthivel K */ 10906f039790SGreg Kroah-Hartman static struct pci_device_id pm8001_pci_table[] = { 1091e5742101SSakthivel K { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 }, 1092f49d2132SBradley Grove { PCI_VDEVICE(ATTO, 0x0042), chip_8001 }, 1093e5742101SSakthivel K /* Support for SPC/SPCv/SPCve controllers */ 1094e5742101SSakthivel K { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 }, 1095e5742101SSakthivel K { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 }, 1096e5742101SSakthivel K { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 }, 1097e5742101SSakthivel K { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 }, 1098e5742101SSakthivel K { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 }, 1099e5742101SSakthivel K { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 }, 1100e5742101SSakthivel K { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 }, 1101e5742101SSakthivel K { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 }, 1102e5742101SSakthivel K { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 }, 1103a9a923e5SAnand Kumar Santhanam { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 }, 1104a9a923e5SAnand Kumar Santhanam { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 }, 1105a9a923e5SAnand Kumar Santhanam { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 }, 1106a9a923e5SAnand Kumar Santhanam { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 }, 1107a9a923e5SAnand Kumar Santhanam { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 }, 1108a9a923e5SAnand Kumar Santhanam { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 }, 1109e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8081, 1110e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 }, 1111e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8081, 1112e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 }, 1113e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1114e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 }, 1115e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1116e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 }, 1117e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1118e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 }, 1119e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1120e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 }, 1121e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1122e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 }, 1123e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1124e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 }, 1125e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1126e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 }, 1127e5742101SSakthivel K { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1128e5742101SSakthivel K PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 }, 1129a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1130a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 }, 1131a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1132a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 }, 1133a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1134a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 }, 1135a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1136a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 }, 1137a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1138a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 }, 1139a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1140a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 }, 1141a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1142a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 }, 1143a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1144a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 }, 1145a9a923e5SAnand Kumar Santhanam { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1146a9a923e5SAnand Kumar Santhanam PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 }, 1147dbf9bfe6Sjack wang {} /* terminate list */ 1148dbf9bfe6Sjack wang }; 1149dbf9bfe6Sjack wang 1150dbf9bfe6Sjack wang static struct pci_driver pm8001_pci_driver = { 1151dbf9bfe6Sjack wang .name = DRV_NAME, 1152dbf9bfe6Sjack wang .id_table = pm8001_pci_table, 1153dbf9bfe6Sjack wang .probe = pm8001_pci_probe, 11546f039790SGreg Kroah-Hartman .remove = pm8001_pci_remove, 1155dbf9bfe6Sjack wang .suspend = pm8001_pci_suspend, 1156dbf9bfe6Sjack wang .resume = pm8001_pci_resume, 1157dbf9bfe6Sjack wang }; 1158dbf9bfe6Sjack wang 1159dbf9bfe6Sjack wang /** 1160dbf9bfe6Sjack wang * pm8001_init - initialize scsi transport template 1161dbf9bfe6Sjack wang */ 1162dbf9bfe6Sjack wang static int __init pm8001_init(void) 1163dbf9bfe6Sjack wang { 1164429305e4STejun Heo int rc = -ENOMEM; 1165429305e4STejun Heo 1166a70b8fc3SSakthivel K pm8001_wq = alloc_workqueue("pm80xx", 0, 0); 1167429305e4STejun Heo if (!pm8001_wq) 1168429305e4STejun Heo goto err; 1169429305e4STejun Heo 1170dbf9bfe6Sjack wang pm8001_id = 0; 1171dbf9bfe6Sjack wang pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops); 1172dbf9bfe6Sjack wang if (!pm8001_stt) 1173429305e4STejun Heo goto err_wq; 1174dbf9bfe6Sjack wang rc = pci_register_driver(&pm8001_pci_driver); 1175dbf9bfe6Sjack wang if (rc) 1176429305e4STejun Heo goto err_tp; 1177dbf9bfe6Sjack wang return 0; 1178429305e4STejun Heo 1179429305e4STejun Heo err_tp: 1180dbf9bfe6Sjack wang sas_release_transport(pm8001_stt); 1181429305e4STejun Heo err_wq: 1182429305e4STejun Heo destroy_workqueue(pm8001_wq); 1183429305e4STejun Heo err: 1184dbf9bfe6Sjack wang return rc; 1185dbf9bfe6Sjack wang } 1186dbf9bfe6Sjack wang 1187dbf9bfe6Sjack wang static void __exit pm8001_exit(void) 1188dbf9bfe6Sjack wang { 1189dbf9bfe6Sjack wang pci_unregister_driver(&pm8001_pci_driver); 1190dbf9bfe6Sjack wang sas_release_transport(pm8001_stt); 1191429305e4STejun Heo destroy_workqueue(pm8001_wq); 1192dbf9bfe6Sjack wang } 1193dbf9bfe6Sjack wang 1194dbf9bfe6Sjack wang module_init(pm8001_init); 1195dbf9bfe6Sjack wang module_exit(pm8001_exit); 1196dbf9bfe6Sjack wang 1197dbf9bfe6Sjack wang MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>"); 1198a9a923e5SAnand Kumar Santhanam MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>"); 1199a9a923e5SAnand Kumar Santhanam MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>"); 120094f33c16SNikith Ganigarakoppal MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>"); 1201e5742101SSakthivel K MODULE_DESCRIPTION( 1202a9a923e5SAnand Kumar Santhanam "PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 " 1203a9a923e5SAnand Kumar Santhanam "SAS/SATA controller driver"); 1204dbf9bfe6Sjack wang MODULE_VERSION(DRV_VERSION); 1205dbf9bfe6Sjack wang MODULE_LICENSE("GPL"); 1206dbf9bfe6Sjack wang MODULE_DEVICE_TABLE(pci, pm8001_pci_table); 1207dbf9bfe6Sjack wang 1208