1afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu/* 2afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * QLogic iSCSI HBA Driver 34a4f51e9b60196a1155e181f5a19240b6b7f1ae9Vikas Chaudhary * Copyright (c) 2003-2013 QLogic Corporation 4afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * 5afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 7afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 8afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu#include "ql4_def.h" 9401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu#include "ql4_glbl.h" 10401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu#include "ql4_dbg.h" 11401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu#include "ql4_inline.h" 12afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 13afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu/** 1494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * qla4xxx_copy_sense - copy sense data into cmd sense buffer 1594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * @ha: Pointer to host adapter structure. 1694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * @sts_entry: Pointer to status entry structure. 1794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * @srb: Pointer to srb structure. 1894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins **/ 1994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higginsstatic void qla4xxx_copy_sense(struct scsi_qla_host *ha, 2094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins struct status_entry *sts_entry, 2194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins struct srb *srb) 2294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins{ 2394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins struct scsi_cmnd *cmd = srb->cmd; 2494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins uint16_t sense_len; 2594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 2694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sense_len = le16_to_cpu(sts_entry->senseDataByteCnt); 286d78bd56be54286a72413db82d87fc371867629fPrasanna Mumbai if (sense_len == 0) { 299cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d:%llu: %s:" 306d78bd56be54286a72413db82d87fc371867629fPrasanna Mumbai " sense len 0\n", ha->host_no, 316d78bd56be54286a72413db82d87fc371867629fPrasanna Mumbai cmd->device->channel, cmd->device->id, 326d78bd56be54286a72413db82d87fc371867629fPrasanna Mumbai cmd->device->lun, __func__)); 336d78bd56be54286a72413db82d87fc371867629fPrasanna Mumbai ha->status_srb = NULL; 3494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins return; 356d78bd56be54286a72413db82d87fc371867629fPrasanna Mumbai } 3694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins /* Save total available sense length, 3794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * not to exceed cmd's sense buffer size */ 3894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sense_len = min_t(uint16_t, sense_len, SCSI_SENSE_BUFFERSIZE); 3994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins srb->req_sense_ptr = cmd->sense_buffer; 4094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins srb->req_sense_len = sense_len; 4194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 4294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins /* Copy sense from sts_entry pkt */ 4394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sense_len = min_t(uint16_t, sense_len, IOCB_MAX_SENSEDATA_LEN); 4494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins memcpy(cmd->sense_buffer, sts_entry->senseData, sense_len); 4594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 469cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%llu: %s: sense key = %x, " 4794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins "ASL= %02x, ASC/ASCQ = %02x/%02x\n", ha->host_no, 4894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins cmd->device->channel, cmd->device->id, 4994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins cmd->device->lun, __func__, 5094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sts_entry->senseData[2] & 0x0f, 5194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sts_entry->senseData[7], 5294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sts_entry->senseData[12], 5394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sts_entry->senseData[13])); 5494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 5594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins DEBUG5(qla4xxx_dump_buffer(cmd->sense_buffer, sense_len)); 5694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins srb->flags |= SRB_GOT_SENSE; 5794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 5894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins /* Update srb, in case a sts_cont pkt follows */ 5994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins srb->req_sense_ptr += sense_len; 6094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins srb->req_sense_len -= sense_len; 6194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins if (srb->req_sense_len != 0) 6294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins ha->status_srb = srb; 6394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins else 6494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins ha->status_srb = NULL; 6594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins} 6694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 6794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins/** 6894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * qla4xxx_status_cont_entry - Process a Status Continuations entry. 6994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * @ha: SCSI driver HA context 7094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * @sts_cont: Entry pointer 7194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * 7294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins * Extended sense data. 7394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins */ 7494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higginsstatic void 7594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higginsqla4xxx_status_cont_entry(struct scsi_qla_host *ha, 7694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins struct status_cont_entry *sts_cont) 7794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins{ 7894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins struct srb *srb = ha->status_srb; 7994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins struct scsi_cmnd *cmd; 80735e41543c12c245290cf652727893a66cbd8ab6Vikas Chaudhary uint16_t sense_len; 8194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 8294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins if (srb == NULL) 8394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins return; 8494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 8594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins cmd = srb->cmd; 8694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins if (cmd == NULL) { 8794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins DEBUG2(printk(KERN_INFO "scsi%ld: %s: Cmd already returned " 8894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins "back to OS srb=%p srb->state:%d\n", ha->host_no, 8994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins __func__, srb, srb->state)); 9094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins ha->status_srb = NULL; 9194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins return; 9294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins } 9394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 9494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins /* Copy sense data. */ 9594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins sense_len = min_t(uint16_t, srb->req_sense_len, 9694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins IOCB_MAX_EXT_SENSEDATA_LEN); 9794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins memcpy(srb->req_sense_ptr, sts_cont->ext_sense_data, sense_len); 9894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins DEBUG5(qla4xxx_dump_buffer(srb->req_sense_ptr, sense_len)); 9994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 10094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins srb->req_sense_ptr += sense_len; 10194bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins srb->req_sense_len -= sense_len; 10294bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 10394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins /* Place command on done queue. */ 10494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins if (srb->req_sense_len == 0) { 10509a0f719896659a6c32df11426e55795012c06ffVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 10694bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins ha->status_srb = NULL; 10794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins } 10894bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins} 10994bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins 11094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins/** 111afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * qla4xxx_status_entry - processes status IOCBs 112afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @ha: Pointer to host adapter structure. 113afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @sts_entry: Pointer to status entry structure. 114afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu **/ 115afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulustatic void qla4xxx_status_entry(struct scsi_qla_host *ha, 116afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct status_entry *sts_entry) 117afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu{ 118afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint8_t scsi_status; 119afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct scsi_cmnd *cmd; 120afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct srb *srb; 121afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct ddb_entry *ddb_entry; 122afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint32_t residual; 123afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 124afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle)); 125afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (!srb) { 1264c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s invalid status entry: " 1274c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary "handle=0x%0x, srb=%p\n", __func__, 1284c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary sts_entry->handle, srb); 1296e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (is_qla80XX(ha)) 1304c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 1314c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary else 1324c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 133afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu return; 134afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 135afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 136afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd = srb->cmd; 137afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (cmd == NULL) { 138afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: %s: Command already returned back to " 139afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "OS pkt->handle=%d srb=%p srb->state:%d\n", 140afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, __func__, sts_entry->handle, 141afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu srb, srb->state)); 142c2660df310a3c445194748b54f51b7224639e742Vikas Chaudhary ql4_printk(KERN_WARNING, ha, "Command is NULL:" 143c2660df310a3c445194748b54f51b7224639e742Vikas Chaudhary " already returned to OS (srb=%p)\n", srb); 144afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu return; 145afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 146afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 147afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ddb_entry = srb->ddb; 148afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (ddb_entry == NULL) { 149afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_NO_CONNECT << 16; 150afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu goto status_entry_exit; 151afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 152afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 153afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu residual = le32_to_cpu(sts_entry->residualByteCnt); 154afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 155afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Translate ISP error to a Linux SCSI error. */ 156afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu scsi_status = sts_entry->scsiStatus; 157afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu switch (sts_entry->completionStatus) { 158afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_COMPLETE: 159afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1606ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu if (sts_entry->iscsiFlags & ISCSI_FLAG_RESIDUAL_OVER) { 1616ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu cmd->result = DID_ERROR << 16; 1626ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu break; 1636ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu } 1646ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu 1656ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu if (sts_entry->iscsiFlags &ISCSI_FLAG_RESIDUAL_UNDER) { 1665f7186c841a13abff0bf81ee93754b4f46e19141FUJITA Tomonori scsi_set_resid(cmd, residual); 1679d56291366cd6ab156be722e42cf487bef20f5fdDavid C Somayajulu if (!scsi_status && ((scsi_bufflen(cmd) - residual) < 1689d56291366cd6ab156be722e42cf487bef20f5fdDavid C Somayajulu cmd->underflow)) { 1696ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu 1706ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu cmd->result = DID_ERROR << 16; 1716ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu 1729cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: " 1736ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu "Mid-layer Data underrun0, " 1746ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu "xferlen = 0x%x, " 1756ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu "residual = 0x%x\n", ha->host_no, 1766ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu cmd->device->channel, 1776ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu cmd->device->id, 1786ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu cmd->device->lun, __func__, 1796ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu scsi_bufflen(cmd), residual)); 1806ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu break; 1816ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu } 1826ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu } 183afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 184afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_OK << 16 | scsi_status; 185afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 186afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (scsi_status != SCSI_CHECK_CONDITION) 187afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 188afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 189afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Copy Sense Data into sense buffer. */ 19094bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins qla4xxx_copy_sense(ha, sts_entry, srb); 191afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 192afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 193afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_INCOMPLETE: 194afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Always set the status to DID_ERROR, since 195afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * all conditions result in that status anyway */ 196afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_ERROR << 16; 197afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 198afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 199afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_RESET_OCCURRED: 2009cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: Device RESET occurred\n", 201afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, cmd->device->channel, 202afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->device->id, cmd->device->lun, __func__)); 203afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 204afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_RESET << 16; 205afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 206afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 207afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_ABORTED: 2089cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: Abort occurred\n", 209afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, cmd->device->channel, 210afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->device->id, cmd->device->lun, __func__)); 211afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 212afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_RESET << 16; 213afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 214afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 215afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_TIMEOUT: 2169cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%llu: Timeout\n", 217afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, cmd->device->channel, 218afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->device->id, cmd->device->lun)); 219afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 22056d7fcfa815564b40a1b0ec7a30ea8cb3bc0713eMike Christie cmd->result = DID_TRANSPORT_DISRUPTED << 16; 221afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 222afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 223afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Mark device missing so that we won't continue to send 224afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * I/O to this device. We should get a ddb state change 225afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * AEN soon. 226afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 227b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar if (iscsi_is_session_online(ddb_entry->sess)) 228b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar qla4xxx_mark_device_missing(ddb_entry->sess); 229afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 230afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 231afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_DATA_UNDERRUN: 232afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_DATA_OVERRUN: 2336ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu if ((sts_entry->iscsiFlags & ISCSI_FLAG_RESIDUAL_OVER) || 234b06fc73a9ebd352065dd4dd3139fb53ed72ac970Mike Christie (sts_entry->completionStatus == SCS_DATA_OVERRUN)) { 2359cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: " "Data overrun\n", 236b06fc73a9ebd352065dd4dd3139fb53ed72ac970Mike Christie ha->host_no, 237afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->device->channel, cmd->device->id, 238b06fc73a9ebd352065dd4dd3139fb53ed72ac970Mike Christie cmd->device->lun, __func__)); 239afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 240afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_ERROR << 16; 241afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 242afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 243afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 2446ea7e33ee1b74de9b60327fec1a0cd39afac3983David C Somayajulu scsi_set_resid(cmd, residual); 245afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 24624c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade if (sts_entry->iscsiFlags & ISCSI_FLAG_RESIDUAL_UNDER) { 24724c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade 24824c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade /* Both the firmware and target reported UNDERRUN: 24924c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * 25024c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * MID-LAYER UNDERFLOW case: 25124c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * Some kernels do not properly detect midlayer 25224c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * underflow, so we manually check it and return 25324c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * ERROR if the minimum required data was not 25424c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * received. 25524c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * 25624c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * ALL OTHER cases: 25724c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * Fall thru to check scsi_status 25824c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade */ 25924c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade if (!scsi_status && (scsi_bufflen(cmd) - residual) < 26024c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->underflow) { 26124c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 2629cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke "scsi%ld:%d:%d:%llu: %s: Mid-layer Data underrun, xferlen = 0x%x,residual = 0x%x\n", 26324c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade ha->host_no, 26424c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->device->channel, 26524c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->device->id, 26624c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->device->lun, __func__, 26724c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade scsi_bufflen(cmd), 26824c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade residual)); 269afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 27024c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->result = DID_ERROR << 16; 271afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 27224c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade } 27324c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade 27424c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade } else if (scsi_status != SAM_STAT_TASK_SET_FULL && 27524c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade scsi_status != SAM_STAT_BUSY) { 276afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 277afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 27824c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * The firmware reports UNDERRUN, but the target does 27924c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * not report it: 28024c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * 28124c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * scsi_status | host_byte device_byte 28224c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * | (19:16) (7:0) 28324c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * ============= | ========= =========== 28424c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * TASK_SET_FULL | DID_OK scsi_status 28524c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * BUSY | DID_OK scsi_status 28624c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * ALL OTHERS | DID_ERROR scsi_status 28724c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * 28824c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * Note: If scsi_status is task set full or busy, 28924c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * then this else if would fall thru to check the 29024c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade * scsi_status and return DID_OK. 291afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 292afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 29324c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 2949cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke "scsi%ld:%d:%d:%llu: %s: Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 29524c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade ha->host_no, 29624c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->device->channel, 29724c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->device->id, 29824c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->device->lun, __func__, 29924c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade residual, 30024c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade scsi_bufflen(cmd))); 30124c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade 30224c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->result = DID_ERROR << 16 | scsi_status; 30324c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade goto check_scsi_status; 304afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 30524c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade 30624c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade cmd->result = DID_OK << 16 | scsi_status; 30724c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade 30824c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivadecheck_scsi_status: 30924c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade if (scsi_status == SAM_STAT_CHECK_CONDITION) 31024c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade qla4xxx_copy_sense(ha, sts_entry, srb); 31124c14200947d0c2ca6943fe0353438c3ac9c1c2aLalit Chandivade 312afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 313afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 314afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_DEVICE_LOGGED_OUT: 315afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_DEVICE_UNAVAILABLE: 3169cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%llu: SCS_DEVICE " 317f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "state: 0x%x\n", ha->host_no, 318f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary cmd->device->channel, cmd->device->id, 319f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary cmd->device->lun, sts_entry->completionStatus)); 320afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 321afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Mark device missing so that we won't continue to 322afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * send I/O to this device. We should get a ddb 323afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * state change AEN soon. 324afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 325b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar if (iscsi_is_session_online(ddb_entry->sess)) 326b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar qla4xxx_mark_device_missing(ddb_entry->sess); 327afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 32856d7fcfa815564b40a1b0ec7a30ea8cb3bc0713eMike Christie cmd->result = DID_TRANSPORT_DISRUPTED << 16; 329afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 330afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 331afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case SCS_QUEUE_FULL: 332afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 333afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * SCSI Mid-Layer handles device queue full 334afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 335afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_OK << 16 | sts_entry->scsiStatus; 3369cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3Hannes Reinecke DEBUG2(printk("scsi%ld:%d:%llu: %s: QUEUE FULL detected " 337afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "compl=%02x, scsi=%02x, state=%02x, iFlags=%02x," 338afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu " iResp=%02x\n", ha->host_no, cmd->device->id, 339afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->device->lun, __func__, 340afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu sts_entry->completionStatus, 341afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu sts_entry->scsiStatus, sts_entry->state_flags, 342afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu sts_entry->iscsiFlags, 343afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu sts_entry->iscsiResponse)); 344afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 345afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 346afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu default: 347afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu cmd->result = DID_ERROR << 16; 348afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 349afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 350afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 351afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulustatus_entry_exit: 352afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 35394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins /* complete the request, if not waiting for status_continuation pkt */ 354afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu srb->cc_stat = sts_entry->completionStatus; 35594bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins if (ha->status_srb == NULL) 35609a0f719896659a6c32df11426e55795012c06ffVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 357afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu} 358afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 359afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu/** 360b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar * qla4xxx_passthru_status_entry - processes passthru status IOCBs (0x3C) 361b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar * @ha: Pointer to host adapter structure. 362b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar * @sts_entry: Pointer to status entry structure. 363b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar **/ 364b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankarstatic void qla4xxx_passthru_status_entry(struct scsi_qla_host *ha, 365b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar struct passthru_status *sts_entry) 366b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar{ 367b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar struct iscsi_task *task; 368b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar struct ddb_entry *ddb_entry; 369b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar struct ql4_task_data *task_data; 370b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar struct iscsi_cls_conn *cls_conn; 371b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar struct iscsi_conn *conn; 372b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar itt_t itt; 373b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar uint32_t fw_ddb_index; 374b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 375b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar itt = sts_entry->handle; 376b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar fw_ddb_index = le32_to_cpu(sts_entry->target); 377b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 378b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); 379b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 380b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar if (ddb_entry == NULL) { 381b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Invalid target index = 0x%x\n", 382b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar __func__, sts_entry->target); 383b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar return; 384b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar } 385b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 386b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar cls_conn = ddb_entry->conn; 387b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar conn = cls_conn->dd_data; 388659743b02c411075b26601725947b21df0bb29c8Shlomo Pongratz spin_lock(&conn->session->back_lock); 389b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar task = iscsi_itt_to_task(conn, itt); 390659743b02c411075b26601725947b21df0bb29c8Shlomo Pongratz spin_unlock(&conn->session->back_lock); 391b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 392b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar if (task == NULL) { 393b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Task is NULL\n", __func__); 394b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar return; 395b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar } 396b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 397b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar task_data = task->dd_data; 398b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar memcpy(&task_data->sts, sts_entry, sizeof(struct passthru_status)); 399b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar ha->iocb_cnt -= task_data->iocb_req_cnt; 400b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar queue_work(ha->task_wq, &task_data->task_work); 401b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar} 402b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 403c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudharystatic struct mrb *qla4xxx_del_mrb_from_active_array(struct scsi_qla_host *ha, 404c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary uint32_t index) 405c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary{ 406c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary struct mrb *mrb = NULL; 407c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 408c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary /* validate handle and remove from active array */ 409c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary if (index >= MAX_MRB) 410c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary return mrb; 411c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 412c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary mrb = ha->active_mrb_array[index]; 413c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary ha->active_mrb_array[index] = NULL; 414c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary if (!mrb) 415c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary return mrb; 416c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 417c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary /* update counters */ 418c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary ha->iocb_cnt -= mrb->iocb_cnt; 419c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 420c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary return mrb; 421c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary} 422c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 423c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudharystatic void qla4xxx_mbox_status_entry(struct scsi_qla_host *ha, 424c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary struct mbox_status_iocb *mbox_sts_entry) 425c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary{ 426c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary struct mrb *mrb; 427c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary uint32_t status; 428c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary uint32_t data_size; 429c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 430c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary mrb = qla4xxx_del_mrb_from_active_array(ha, 431c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary le32_to_cpu(mbox_sts_entry->handle)); 432c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 433c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary if (mrb == NULL) { 434c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: mrb[%d] is null\n", __func__, 435c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary mbox_sts_entry->handle); 436c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary return; 437c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary } 438c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 439c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary switch (mrb->mbox_cmd) { 440c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary case MBOX_CMD_PING: 441c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: mbox_cmd = 0x%x, " 442c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary "mbox_sts[0] = 0x%x, mbox_sts[6] = 0x%x\n", 443c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary __func__, mrb->mbox_cmd, 444c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary mbox_sts_entry->out_mbox[0], 445c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary mbox_sts_entry->out_mbox[6])); 446c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 447c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary if (mbox_sts_entry->out_mbox[0] == MBOX_STS_COMMAND_COMPLETE) 4481a590cabc272d62ffca1427d3010aea2098f414fVikas Chaudhary status = ISCSI_PING_SUCCESS; 449c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary else 4501a590cabc272d62ffca1427d3010aea2098f414fVikas Chaudhary status = mbox_sts_entry->out_mbox[6]; 451c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 452c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary data_size = sizeof(mbox_sts_entry->out_mbox); 453c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 454c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary qla4xxx_post_ping_evt_work(ha, status, mrb->pid, data_size, 455c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary (uint8_t *) mbox_sts_entry->out_mbox); 456c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary break; 457c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 458c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary default: 459c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: invalid mbox_cmd = " 460c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary "0x%x\n", __func__, mrb->mbox_cmd)); 461c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary } 462c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 463c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary kfree(mrb); 464c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary return; 465c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary} 466c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 467b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar/** 468afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * qla4xxx_process_response_queue - process response queue completions 469afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @ha: Pointer to host adapter structure. 470afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * 471afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * This routine process response queue completions in interrupt context. 472afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Hardware_lock locked upon entry 473afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu **/ 474f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyvoid qla4xxx_process_response_queue(struct scsi_qla_host *ha) 475afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu{ 476afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint32_t count = 0; 477afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct srb *srb = NULL; 478afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct status_entry *sts_entry; 479afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 480afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Process all responses from response queue */ 481f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary while ((ha->response_ptr->signature != RESPONSE_PROCESSED)) { 482afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu sts_entry = (struct status_entry *) ha->response_ptr; 483afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu count++; 484afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 485afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Advance pointers for next entry */ 486afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (ha->response_out == (RESPONSE_QUEUE_DEPTH - 1)) { 487afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->response_out = 0; 488afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->response_ptr = ha->response_ring; 489afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } else { 490afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->response_out++; 491afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->response_ptr++; 492afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 493afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 494afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* process entry */ 495afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu switch (sts_entry->hdr.entryType) { 496afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case ET_STATUS: 49794bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins /* Common status */ 498afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu qla4xxx_status_entry(ha, sts_entry); 499afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 500afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 501afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case ET_PASSTHRU_STATUS: 502b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar if (sts_entry->hdr.systemDefined == SD_ISCSI_PDU) 503b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar qla4xxx_passthru_status_entry(ha, 504b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar (struct passthru_status *)sts_entry); 505b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar else 506b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar ql4_printk(KERN_ERR, ha, 507b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar "%s: Invalid status received\n", 508b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar __func__); 509b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar 510afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 511afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 512afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case ET_STATUS_CONTINUATION: 51394bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins qla4xxx_status_cont_entry(ha, 51494bced3c1b371014cbd187f2df5539b13a0e3b90Karen Higgins (struct status_cont_entry *) sts_entry); 515afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 516afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 517afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case ET_COMMAND: 518afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* ISP device queue is full. Command not 519afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * accepted by ISP. Queue command for 520afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * later */ 521afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 522afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu srb = qla4xxx_del_from_active_array(ha, 523afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu le32_to_cpu(sts_entry-> 524afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu handle)); 525afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (srb == NULL) 526afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu goto exit_prq_invalid_handle; 527afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 528afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: %s: FW device queue full, " 529afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "srb %p\n", ha->host_no, __func__, srb)); 530afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 531afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* ETRY normally by sending it back with 532afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * DID_BUS_BUSY */ 533afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu srb->cmd->result = DID_BUS_BUSY << 16; 53409a0f719896659a6c32df11426e55795012c06ffVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 535afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 536afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 537afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case ET_CONTINUE: 538afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Just throw away the continuation entries */ 539afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: %s: Continuation entry - " 540afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "ignoring\n", ha->host_no, __func__)); 541afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 542afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 543c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary case ET_MBOX_STATUS: 544c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 545c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary "%s: mbox status IOCB\n", __func__)); 546c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary qla4xxx_mbox_status_entry(ha, 547c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary (struct mbox_status_iocb *)sts_entry); 548c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary break; 549c0b9d3f750520ad3005b99144260e486ef01b5d9Vikas Chaudhary 550afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu default: 551afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 552afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Invalid entry in response queue, reset RISC 553afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * firmware. 554afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 555afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: %s: Invalid entry %x in " 556afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "response queue \n", ha->host_no, 557afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu __func__, 558afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu sts_entry->hdr.entryType)); 559afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu goto exit_prq_error; 560afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 561f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ((struct response *)sts_entry)->signature = RESPONSE_PROCESSED; 562f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary wmb(); 563afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 564afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 565afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 566f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * Tell ISP we're done with response(s). This also clears the interrupt. 567afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 568f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->isp_ops->complete_iocb(ha); 569afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 570afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu return; 571afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 572afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajuluexit_prq_invalid_handle: 573afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: %s: Invalid handle(srb)=%p type=%x IOCS=%x\n", 574afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, __func__, srb, sts_entry->hdr.entryType, 575afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu sts_entry->completionStatus)); 576afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 577afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajuluexit_prq_error: 578f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->isp_ops->complete_iocb(ha); 579afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 580afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu} 581afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 582afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu/** 583026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali * qla4_83xx_loopback_in_progress: Is loopback in progress? 584026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali * @ha: Pointer to host adapter structure. 585026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali * @ret: 1 = loopback in progress, 0 = loopback not in progress 586026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali **/ 587026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javalistatic int qla4_83xx_loopback_in_progress(struct scsi_qla_host *ha) 588026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali{ 589026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali int rval = 1; 590026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali 591b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 592026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali if ((ha->idc_info.info2 & ENABLE_INTERNAL_LOOPBACK) || 593026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali (ha->idc_info.info2 & ENABLE_EXTERNAL_LOOPBACK)) { 594026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 595026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali "%s: Loopback diagnostics in progress\n", 596026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali __func__)); 597026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali rval = 1; 598026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali } else { 599026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 600026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali "%s: Loopback diagnostics not in progress\n", 601026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali __func__)); 602026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali rval = 0; 603026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali } 604026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali } 605026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali 606026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali return rval; 607026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali} 608026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali 609f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarraostatic void qla4xxx_update_ipaddr_state(struct scsi_qla_host *ha, 610f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao uint32_t ipaddr_idx, 611f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao uint32_t ipaddr_fw_state) 612f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao{ 613f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao uint8_t ipaddr_state; 614f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao uint8_t ip_idx; 615f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao 616f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao ip_idx = ipaddr_idx & 0xF; 617f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao ipaddr_state = qla4xxx_set_ipaddr_state((uint8_t)ipaddr_fw_state); 618f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao 619f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao switch (ip_idx) { 620f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao case 0: 621f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao ha->ip_config.ipv4_addr_state = ipaddr_state; 622f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao break; 623f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao case 1: 624f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao ha->ip_config.ipv6_link_local_state = ipaddr_state; 625f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao break; 626f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao case 2: 627f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao ha->ip_config.ipv6_addr0_state = ipaddr_state; 628f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao break; 629f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao case 3: 630f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao ha->ip_config.ipv6_addr1_state = ipaddr_state; 631f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao break; 632f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao default: 633f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao ql4_printk(KERN_INFO, ha, "%s: Invalid IPADDR index %d\n", 634f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao __func__, ip_idx); 635f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao } 636f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao} 637f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao 6384820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javalistatic void qla4xxx_default_router_changed(struct scsi_qla_host *ha, 6394820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali uint32_t *mbox_sts) 6404820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali{ 6414820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[0], 6424820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali &mbox_sts[2], sizeof(uint32_t)); 6434820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[1], 6444820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali &mbox_sts[3], sizeof(uint32_t)); 6454820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[2], 6464820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali &mbox_sts[4], sizeof(uint32_t)); 6474820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[3], 6484820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali &mbox_sts[5], sizeof(uint32_t)); 6494820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali} 650f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao 651026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali/** 652afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * qla4xxx_isr_decode_mailbox - decodes mailbox status 653afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @ha: Pointer to host adapter structure. 654afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @mailbox_status: Mailbox status. 655afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * 656afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * This routine decodes the mailbox status during the ISR. 657afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Hardware_lock locked upon entry. runs in interrupt context. 658afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu **/ 659afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulustatic void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha, 660afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint32_t mbox_status) 661afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu{ 662afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu int i; 663f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint32_t mbox_sts[MBOX_AEN_REG_COUNT]; 6646e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary __le32 __iomem *mailbox_out; 665df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary uint32_t opcode = 0; 6666e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 667b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) 6686e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary mailbox_out = &ha->qla4_83xx_reg->mailbox_out[0]; 6696e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary else if (is_qla8022(ha)) 6706e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary mailbox_out = &ha->qla4_82xx_reg->mailbox_out[0]; 6716e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary else 6726e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary mailbox_out = &ha->reg->mailbox[0]; 673afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 674afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if ((mbox_status == MBOX_STS_BUSY) || 675afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu (mbox_status == MBOX_STS_INTERMEDIATE_COMPLETION) || 676afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu (mbox_status >> 12 == MBOX_COMPLETION_STATUS)) { 677afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->mbox_status[0] = mbox_status; 678afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 679afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (test_bit(AF_MBOX_COMMAND, &ha->flags)) { 680afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 681afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Copy all mailbox registers to a temporary 682afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * location and set mailbox command done flag 683afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 684f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary for (i = 0; i < ha->mbox_status_count; i++) 6856e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ha->mbox_status[i] = readl(&mailbox_out[i]); 686afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 687afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(AF_MBOX_COMMAND_DONE, &ha->flags); 688f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 689f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) 690f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary complete(&ha->mbx_intr_comp); 691afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 692afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } else if (mbox_status >> 12 == MBOX_ASYNC_EVENT_STATUS) { 693f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary for (i = 0; i < MBOX_AEN_REG_COUNT; i++) 6946e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary mbox_sts[i] = readl(&mailbox_out[i]); 695f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 696afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Immediately process the AENs that don't require much work. 697afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Only queue the database_changed AENs */ 698401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu if (ha->aen_log.count < MAX_AEN_ENTRIES) { 699401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu for (i = 0; i < MBOX_AEN_REG_COUNT; i++) 700401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu ha->aen_log.entry[ha->aen_log.count].mbox_sts[i] = 701f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[i]; 702401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu ha->aen_log.count++; 703401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu } 704afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu switch (mbox_status) { 705afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_SYSTEM_ERROR: 706afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Log Mailbox registers */ 707f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: System Err\n", __func__); 70891a772a4b1840fea39f0377c2cbca4cfc5be05f9Karen Higgins qla4xxx_dump_registers(ha); 70991a772a4b1840fea39f0377c2cbca4cfc5be05f9Karen Higgins 7106e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 711b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 712b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 713f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary DEBUG2(printk("scsi%ld: %s:Don't Reset HBA\n", 714f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->host_no, __func__)); 715afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } else { 716afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(AF_GET_CRASH_RECORD, &ha->flags); 717afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 718afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 719afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 720afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 721afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_REQUEST_TRANSFER_ERROR: 722afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_RESPONSE_TRANSFER_ERROR: 723afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_NVRAM_INVALID: 724afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_IP_ADDRESS_CHANGED: 725afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_DHCP_LEASE_EXPIRED: 726afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: AEN %04x, ERROR Status, " 727afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "Reset HA\n", ha->host_no, mbox_status)); 7286e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (is_qla80XX(ha)) 7294c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 7304c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary &ha->dpc_flags); 7314c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary else 7324c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 733afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 734afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 735afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_LINK_UP: 736afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(AF_LINK_UP, &ha->flags); 737065aa1b4db63c7fa68a3e889510c4e63404a1ac7Vikas Chaudhary if (test_bit(AF_INIT_DONE, &ha->flags)) 738065aa1b4db63c7fa68a3e889510c4e63404a1ac7Vikas Chaudhary set_bit(DPC_LINK_CHANGED, &ha->dpc_flags); 739065aa1b4db63c7fa68a3e889510c4e63404a1ac7Vikas Chaudhary 740f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: LINK UP\n", __func__); 741ff884430801c08bd909fd95f6cb1a0446afd30dbVikas Chaudhary qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKUP, 742ff884430801c08bd909fd95f6cb1a0446afd30dbVikas Chaudhary sizeof(mbox_sts), 743ff884430801c08bd909fd95f6cb1a0446afd30dbVikas Chaudhary (uint8_t *) mbox_sts); 744df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary 745df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 746df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary ha->notify_link_up_comp) 747df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary complete(&ha->link_up_comp); 748df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary 749afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 750afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 751afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_LINK_DOWN: 752afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu clear_bit(AF_LINK_UP, &ha->flags); 753026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali if (test_bit(AF_INIT_DONE, &ha->flags)) { 754f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary set_bit(DPC_LINK_CHANGED, &ha->dpc_flags); 755026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali qla4xxx_wake_dpc(ha); 756026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali } 757065aa1b4db63c7fa68a3e889510c4e63404a1ac7Vikas Chaudhary 758f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: LINK DOWN\n", __func__); 759ff884430801c08bd909fd95f6cb1a0446afd30dbVikas Chaudhary qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKDOWN, 760ff884430801c08bd909fd95f6cb1a0446afd30dbVikas Chaudhary sizeof(mbox_sts), 761ff884430801c08bd909fd95f6cb1a0446afd30dbVikas Chaudhary (uint8_t *) mbox_sts); 762afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 763afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 764afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_HEARTBEAT: 765afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->seconds_since_last_heartbeat = 0; 766afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 767afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 768afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_DHCP_LEASE_ACQUIRED: 769afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: AEN %04x DHCP LEASE " 770afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "ACQUIRED\n", ha->host_no, mbox_status)); 771afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags); 772afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 773afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 774afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_PROTOCOL_STATISTIC_ALARM: 775afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_SCSI_COMMAND_PDU_REJECTED: /* Target 776afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * mode 777afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * only */ 778afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_UNSOLICITED_PDU_RECEIVED: /* Connection mode */ 779afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_IPSEC_SYSTEM_FATAL_ERROR: 780afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_SUBNET_STATE_CHANGE: 781185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai case MBOX_ASTS_DUPLICATE_IP: 782afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* No action */ 783afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: AEN %04x\n", ha->host_no, 784afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu mbox_status)); 785afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 786afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 787401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu case MBOX_ASTS_IP_ADDR_STATE_CHANGED: 788f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary printk("scsi%ld: AEN %04x, mbox_sts[2]=%04x, " 789f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "mbox_sts[3]=%04x\n", ha->host_no, mbox_sts[0], 790f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[2], mbox_sts[3]); 791f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 792f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao qla4xxx_update_ipaddr_state(ha, mbox_sts[5], 793f8e934122424ab1f9a538fc2b7062d7d5b10fd6fHarish Zunjarrao mbox_sts[3]); 794f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* mbox_sts[2] = Old ACB state 795f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * mbox_sts[3] = new ACB state */ 7967f15ebceb174d5588e715c7de714e78595fcefc8Nilesh Javali if ((mbox_sts[3] == IP_ADDRSTATE_PREFERRED) && 7977f15ebceb174d5588e715c7de714e78595fcefc8Nilesh Javali ((mbox_sts[2] == IP_ADDRSTATE_TENTATIVE) || 7987f15ebceb174d5588e715c7de714e78595fcefc8Nilesh Javali (mbox_sts[2] == IP_ADDRSTATE_ACQUIRING))) { 799401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags); 8007f15ebceb174d5588e715c7de714e78595fcefc8Nilesh Javali } else if ((mbox_sts[3] == IP_ADDRSTATE_ACQUIRING) && 8017f15ebceb174d5588e715c7de714e78595fcefc8Nilesh Javali (mbox_sts[2] == IP_ADDRSTATE_PREFERRED)) { 8026e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (is_qla80XX(ha)) 8034c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 8044c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary &ha->dpc_flags); 8054c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary else 8064c6a794d2c0affde28f46ef5646cd41cd1a35f06Vikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 8077f15ebceb174d5588e715c7de714e78595fcefc8Nilesh Javali } else if (mbox_sts[3] == IP_ADDRSTATE_DISABLING) { 8087ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB in disabling state\n", 8097ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali ha->host_no, __func__); 8107f15ebceb174d5588e715c7de714e78595fcefc8Nilesh Javali } else if (mbox_sts[3] == IP_ADDRSTATE_UNCONFIGURED) { 81195d31262b3c1ba5b945a6e7b4f679532db622a27Vikas Chaudhary complete(&ha->disable_acb_comp); 8127ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB state unconfigured\n", 8137ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali ha->host_no, __func__); 8147ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali } 815401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu break; 816401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu 8174820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali case MBOX_ASTS_IPV6_LINK_MTU_CHANGE: 8184820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali case MBOX_ASTS_IPV6_AUTO_PREFIX_IGNORED: 8194820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali case MBOX_ASTS_IPV6_ND_LOCAL_PREFIX_IGNORED: 8204820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali /* No action */ 8214820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "scsi%ld: AEN %04x\n", 8224820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali ha->host_no, mbox_status)); 8234820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali break; 8244820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali 8254820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali case MBOX_ASTS_ICMPV6_ERROR_MSG_RCVD: 8264820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 8274820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali "scsi%ld: AEN %04x, IPv6 ERROR, " 8284820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali "mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3}=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n", 8294820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali ha->host_no, mbox_sts[0], mbox_sts[1], 8304820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali mbox_sts[2], mbox_sts[3], mbox_sts[4], 8314820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali mbox_sts[5])); 8324820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali break; 8334820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali 834afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_MAC_ADDRESS_CHANGED: 835afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_DNS: 836afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* No action */ 837afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk(KERN_INFO "scsi%ld: AEN %04x, " 838afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "mbox_sts[1]=%04x, mbox_sts[2]=%04x\n", 839f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->host_no, mbox_sts[0], 840f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[1], mbox_sts[2])); 841afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 842afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 843afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_SELF_TEST_FAILED: 844afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_LOGIN_FAILED: 845afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* No action */ 846afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: AEN %04x, mbox_sts[1]=%04x, " 847afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "mbox_sts[2]=%04x, mbox_sts[3]=%04x\n", 848f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->host_no, mbox_sts[0], mbox_sts[1], 849f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[2], mbox_sts[3])); 850afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 851afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 852afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_DATABASE_CHANGED: 853afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Queue AEN information and process it in the DPC 854afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * routine */ 855afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (ha->aen_q_count > 0) { 856afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 857afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* decrement available counter */ 858afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->aen_q_count--; 859afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 860f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary for (i = 0; i < MBOX_AEN_REG_COUNT; i++) 861afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->aen_q[ha->aen_in].mbox_sts[i] = 862f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[i]; 863afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 864afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* print debug message */ 865185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai DEBUG2(printk("scsi%ld: AEN[%d] %04x queued " 866185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai "mb1:0x%x mb2:0x%x mb3:0x%x " 867185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai "mb4:0x%x mb5:0x%x\n", 868185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai ha->host_no, ha->aen_in, 869185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai mbox_sts[0], mbox_sts[1], 870185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai mbox_sts[2], mbox_sts[3], 871185f107ef9913d9263bc9c2014d16a5a65c4894ePrasanna Mumbai mbox_sts[4], mbox_sts[5])); 872f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 873401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu /* advance pointer */ 874401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu ha->aen_in++; 875401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu if (ha->aen_in == MAX_AEN_ENTRIES) 876401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu ha->aen_in = 0; 877afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 878afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* The DPC routine will process the aen */ 879afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(DPC_AEN, &ha->dpc_flags); 880afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } else { 881afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: %s: aen %04x, queue " 882afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "overflowed! AEN LOST!!\n", 883afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, __func__, 884f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[0])); 885afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 886afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: DUMP AEN QUEUE\n", 887afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no)); 888afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 889afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu for (i = 0; i < MAX_AEN_ENTRIES; i++) { 890afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("AEN[%d] %04x %04x %04x " 891f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "%04x\n", i, mbox_sts[0], 892f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[1], mbox_sts[2], 893f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary mbox_sts[3])); 894afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 895afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 896afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 897afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 8986434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar case MBOX_ASTS_TXSCVR_INSERTED: 8996434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar DEBUG2(printk(KERN_WARNING 9006434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar "scsi%ld: AEN %04x Transceiver" 9016434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar " inserted\n", ha->host_no, mbox_sts[0])); 9026434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar break; 9036434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar 9046434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar case MBOX_ASTS_TXSCVR_REMOVED: 9056434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar DEBUG2(printk(KERN_WARNING 9066434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar "scsi%ld: AEN %04x Transceiver" 9076434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar " removed\n", ha->host_no, mbox_sts[0])); 9086434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar break; 9096434080b127088606e03d2ecfe5ffdd797e38d63Shyam Sundar 9109cb33f184e5d57054caf24c2bd657517e557367cNilesh Javali case MBOX_ASTS_IDC_REQUEST_NOTIFICATION: 911b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 912320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 913320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x\n", 914320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali ha->host_no, mbox_sts[0], 915320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali mbox_sts[1], mbox_sts[2], 916320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali mbox_sts[3], mbox_sts[4])); 917320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali opcode = mbox_sts[1] >> 16; 918320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali if ((opcode == MBOX_CMD_SET_PORT_CONFIG) || 919320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali (opcode == MBOX_CMD_PORT_RESET)) { 920320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali set_bit(DPC_POST_IDC_ACK, 921320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali &ha->dpc_flags); 922320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali ha->idc_info.request_desc = mbox_sts[1]; 923320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali ha->idc_info.info1 = mbox_sts[2]; 924320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali ha->idc_info.info2 = mbox_sts[3]; 925320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali ha->idc_info.info3 = mbox_sts[4]; 926320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali qla4xxx_wake_dpc(ha); 927320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali } 928320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali } 929320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali break; 930320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali 931320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali case MBOX_ASTS_IDC_COMPLETE: 932b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 933320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 934320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x\n", 935320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali ha->host_no, mbox_sts[0], 936320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali mbox_sts[1], mbox_sts[2], 937320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali mbox_sts[3], mbox_sts[4])); 938320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 939320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali "scsi:%ld: AEN %04x IDC Complete notification\n", 940320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali ha->host_no, mbox_sts[0])); 941026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali 942df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary opcode = mbox_sts[1] >> 16; 943df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary if (ha->notify_idc_comp) 944df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary complete(&ha->idc_comp); 945df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary 946df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary if ((opcode == MBOX_CMD_SET_PORT_CONFIG) || 947df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary (opcode == MBOX_CMD_PORT_RESET)) 948df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary ha->idc_info.info2 = mbox_sts[3]; 949df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary 9507ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali if (qla4_83xx_loopback_in_progress(ha)) { 951026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali set_bit(AF_LOOPBACK, &ha->flags); 9527ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali } else { 953026fbd3aaae796d2457898497374b68f3477ee2fNilesh Javali clear_bit(AF_LOOPBACK, &ha->flags); 9547ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali if (ha->saved_acb) 9557ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali set_bit(DPC_RESTORE_ACB, 9567ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali &ha->dpc_flags); 9577ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali } 9587ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali qla4xxx_wake_dpc(ha); 959320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali } 960320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali break; 961320a61de9dc9ca1ed2b69c9a95968e0207c348dfNilesh Javali 96278a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary case MBOX_ASTS_IPV6_DEFAULT_ROUTER_CHANGED: 96378a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 96478a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n", 96578a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary ha->host_no, mbox_sts[0], mbox_sts[1], 96678a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary mbox_sts[2], mbox_sts[3], mbox_sts[4], 96778a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary mbox_sts[5])); 96878a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 96978a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary "scsi%ld: AEN %04x Received IPv6 default router changed notification\n", 97078a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary ha->host_no, mbox_sts[0])); 9714820002dadff0d6f33bd968e1e94efb12436a17dNilesh Javali qla4xxx_default_router_changed(ha, mbox_sts); 97278a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary break; 97378a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary 9747ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali case MBOX_ASTS_IDC_TIME_EXTEND_NOTIFICATION: 9757ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 9767ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n", 9777ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali ha->host_no, mbox_sts[0], mbox_sts[1], 9787ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali mbox_sts[2], mbox_sts[3], mbox_sts[4], 9797ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali mbox_sts[5])); 9807ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, 9817ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali "scsi%ld: AEN %04x Received IDC Extend Timeout notification\n", 9827ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali ha->host_no, mbox_sts[0])); 983df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary /* new IDC timeout */ 984df86f771578209599acc871a03f02346c8d7885bVikas Chaudhary ha->idc_extend_tmo = mbox_sts[1]; 9857ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali break; 9867ab284c9fb8b2e9d6e8e16ebde9c1b015ba607cbNilesh Javali 98778a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary case MBOX_ASTS_INITIALIZATION_FAILED: 98878a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 98978a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary "scsi%ld: AEN %04x, mbox_sts[3]=%08x\n", 99078a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary ha->host_no, mbox_sts[0], 99178a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary mbox_sts[3])); 99278a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary break; 99378a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary 99478a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary case MBOX_ASTS_SYSTEM_WARNING_EVENT: 99578a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary DEBUG2(ql4_printk(KERN_WARNING, ha, 99678a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n", 99778a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary ha->host_no, mbox_sts[0], mbox_sts[1], 99878a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary mbox_sts[2], mbox_sts[3], mbox_sts[4], 99978a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary mbox_sts[5])); 100078a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary break; 100178a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary 100278a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary case MBOX_ASTS_DCBX_CONF_CHANGE: 100378a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 100478a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n", 100578a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary ha->host_no, mbox_sts[0], mbox_sts[1], 100678a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary mbox_sts[2], mbox_sts[3], mbox_sts[4], 100778a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary mbox_sts[5])); 100878a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 100978a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary "scsi%ld: AEN %04x Received DCBX configuration changed notification\n", 101078a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary ha->host_no, mbox_sts[0])); 101178a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary break; 101278a4544885037ad95ca1962ffeda767d60dd78b1Vikas Chaudhary 1013afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu default: 1014afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk(KERN_WARNING 1015afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "scsi%ld: AEN %04x UNKNOWN\n", 1016f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->host_no, mbox_sts[0])); 1017afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 1018afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1019afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } else { 1020afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: Unknown mailbox status %08X\n", 1021afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, mbox_status)); 1022afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1023afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->mbox_status[0] = mbox_status; 1024afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1025afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu} 1026afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 10276e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudharyvoid qla4_83xx_interrupt_service_routine(struct scsi_qla_host *ha, 10286e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary uint32_t intr_status) 10296e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary{ 10306e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary /* Process mailbox/asynch event interrupt.*/ 10316e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (intr_status) { 10326e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary qla4xxx_isr_decode_mailbox(ha, 10336e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary readl(&ha->qla4_83xx_reg->mailbox_out[0])); 10346e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary /* clear the interrupt */ 10356e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 10366e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } else { 10376e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary qla4xxx_process_response_queue(ha); 10386e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 10396e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 10406e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary /* clear the interrupt */ 10416e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary writel(0, &ha->qla4_83xx_reg->mb_int_mask); 10426e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary} 10436e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 1044afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu/** 1045f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary * qla4_82xx_interrupt_service_routine - isr 1046f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * @ha: pointer to host adapter structure. 1047f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * 1048f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * This is the main interrupt service routine. 1049f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * hardware_lock locked upon entry. runs in interrupt context. 1050f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary **/ 1051f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudharyvoid qla4_82xx_interrupt_service_routine(struct scsi_qla_host *ha, 1052f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint32_t intr_status) 1053f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 1054f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* Process response queue interrupt. */ 10551b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash if ((intr_status & HSRX_RISC_IOCB_INT) && 10561b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash test_bit(AF_INIT_DONE, &ha->flags)) 1057f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary qla4xxx_process_response_queue(ha); 1058f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1059f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* Process mailbox/asynch event interrupt.*/ 1060f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (intr_status & HSRX_RISC_MB_INT) 1061f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary qla4xxx_isr_decode_mailbox(ha, 10627664a1fd76d2eb49b07443f5fc46c75f6a95c98bVikas Chaudhary readl(&ha->qla4_82xx_reg->mailbox_out[0])); 1063f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1064f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* clear the interrupt */ 10657664a1fd76d2eb49b07443f5fc46c75f6a95c98bVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 10667664a1fd76d2eb49b07443f5fc46c75f6a95c98bVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 1067f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1068f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1069f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary/** 1070afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * qla4xxx_interrupt_service_routine - isr 1071afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @ha: pointer to host adapter structure. 1072afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * 1073afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * This is the main interrupt service routine. 1074afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * hardware_lock locked upon entry. runs in interrupt context. 1075afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu **/ 1076afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajuluvoid qla4xxx_interrupt_service_routine(struct scsi_qla_host * ha, 1077afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint32_t intr_status) 1078afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu{ 1079afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Process response queue interrupt. */ 1080afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (intr_status & CSR_SCSI_COMPLETION_INTR) 1081afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu qla4xxx_process_response_queue(ha); 1082afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1083afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Process mailbox/asynch event interrupt.*/ 1084afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (intr_status & CSR_SCSI_PROCESSOR_INTR) { 1085afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu qla4xxx_isr_decode_mailbox(ha, 1086afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu readl(&ha->reg->mailbox[0])); 1087afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1088afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Clear Mailbox Interrupt */ 1089afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 1090afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu &ha->reg->ctrl_status); 1091afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu readl(&ha->reg->ctrl_status); 1092afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1093afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu} 1094afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1095afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu/** 1096f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary * qla4_82xx_spurious_interrupt - processes spurious interrupt 1097f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * @ha: pointer to host adapter structure. 1098f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * @reqs_count: . 1099f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * 1100f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary **/ 1101f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudharystatic void qla4_82xx_spurious_interrupt(struct scsi_qla_host *ha, 1102f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint8_t reqs_count) 1103f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 1104f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (reqs_count) 1105f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return; 1106f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1107f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Spurious Interrupt\n")); 1108f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (is_qla8022(ha)) { 11097664a1fd76d2eb49b07443f5fc46c75f6a95c98bVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 1110f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (test_bit(AF_INTx_ENABLED, &ha->flags)) 1111f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 1112f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 0xfbff); 1113f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1114f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->spurious_int_count++; 1115f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1116f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1117f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary/** 1118afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * qla4xxx_intr_handler - hardware interrupt handler. 1119afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @irq: Unused 1120afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @dev_id: Pointer to host adapter structure 1121afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu **/ 11227d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsirqreturn_t qla4xxx_intr_handler(int irq, void *dev_id) 1123afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu{ 1124afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct scsi_qla_host *ha; 1125afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint32_t intr_status; 1126afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu unsigned long flags = 0; 1127afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint8_t reqs_count = 0; 1128afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1129afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha = (struct scsi_qla_host *) dev_id; 1130afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (!ha) { 1131afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk(KERN_INFO 1132afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "qla4xxx: Interrupt with NULL host ptr\n")); 1133afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu return IRQ_NONE; 1134afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1135afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1136afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1137afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1138d915058f48745c0d5c4582566e5aa63867264f81David C Somayajulu ha->isr_count++; 1139afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 1140afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Repeatedly service interrupts up to a maximum of 1141afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * MAX_REQS_SERVICED_PER_INTR 1142afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 1143afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu while (1) { 1144afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* 1145afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Read interrupt status 1146afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu */ 1147f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (ha->isp_ops->rd_shdw_rsp_q_in(ha) != 1148afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->response_out) 1149afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu intr_status = CSR_SCSI_COMPLETION_INTR; 1150afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu else 1151afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu intr_status = readl(&ha->reg->ctrl_status); 1152afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1153afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if ((intr_status & 1154f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary (CSR_SCSI_RESET_INTR|CSR_FATAL_ERROR|INTR_PENDING)) == 0) { 1155afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (reqs_count == 0) 1156afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->spurious_int_count++; 1157afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 1158afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1159afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1160afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (intr_status & CSR_FATAL_ERROR) { 1161afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk(KERN_INFO "scsi%ld: Fatal Error, " 1162afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "Status 0x%04x\n", ha->host_no, 1163afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu readl(isp_port_error_status (ha)))); 1164afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1165afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* Issue Soft Reset to clear this error condition. 1166afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * This will prevent the RISC from repeatedly 1167afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * interrupting the driver; thus, allowing the DPC to 1168afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * get scheduled to continue error recovery. 1169afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * NOTE: Disabling RISC interrupts does not work in 1170afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * this case, as CSR_FATAL_ERROR overrides 1171afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * CSR_SCSI_INTR_ENABLE */ 1172afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if ((readl(&ha->reg->ctrl_status) & 1173afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu CSR_SCSI_RESET_INTR) == 0) { 1174afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu writel(set_rmask(CSR_SOFT_RESET), 1175afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu &ha->reg->ctrl_status); 1176afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu readl(&ha->reg->ctrl_status); 1177afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1178afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1179afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu writel(set_rmask(CSR_FATAL_ERROR), 1180afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu &ha->reg->ctrl_status); 1181afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu readl(&ha->reg->ctrl_status); 1182afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1183afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu __qla4xxx_disable_intrs(ha); 1184afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1185afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 1186afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1187afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 1188afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } else if (intr_status & CSR_SCSI_RESET_INTR) { 1189afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu clear_bit(AF_ONLINE, &ha->flags); 1190afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu __qla4xxx_disable_intrs(ha); 1191afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1192afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), 1193afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu &ha->reg->ctrl_status); 1194afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu readl(&ha->reg->ctrl_status); 1195afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 11967eece5a084264c1bff908b0d6a1b176b39dd272fKaren Higgins if (!test_bit(AF_HA_REMOVAL, &ha->flags)) 1197477ffb9d8732f30e7ab2d20f6ed0c22bad37a4a5David C Somayajulu set_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 1198afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1199afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 1200afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } else if (intr_status & INTR_PENDING) { 1201f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->isp_ops->interrupt_service_routine(ha, intr_status); 1202afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->total_io_count++; 1203afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu if (++reqs_count == MAX_REQS_SERVICED_PER_INTR) 1204afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 1205f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1206f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1207f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1208f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary spin_unlock_irqrestore(&ha->hardware_lock, flags); 1209f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1210f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return IRQ_HANDLED; 1211f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1212f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1213f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary/** 1214f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary * qla4_82xx_intr_handler - hardware interrupt handler. 1215f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * @irq: Unused 1216f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * @dev_id: Pointer to host adapter structure 1217f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary **/ 1218f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudharyirqreturn_t qla4_82xx_intr_handler(int irq, void *dev_id) 1219f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 1220f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary struct scsi_qla_host *ha = dev_id; 1221f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint32_t intr_status; 1222f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint32_t status; 1223f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary unsigned long flags = 0; 1224f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint8_t reqs_count = 0; 1225f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 12262232be0d5707cd331b92027c0fd7ea5e843c2121Lalit Chandivade if (unlikely(pci_channel_offline(ha->pdev))) 12272232be0d5707cd331b92027c0fd7ea5e843c2121Lalit Chandivade return IRQ_HANDLED; 12282232be0d5707cd331b92027c0fd7ea5e843c2121Lalit Chandivade 1229f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->isr_count++; 1230f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary status = qla4_82xx_rd_32(ha, ISR_INT_VECTOR); 1231f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (!(status & ha->nx_legacy_intr.int_vec_bit)) 1232f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return IRQ_NONE; 1233f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1234f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary status = qla4_82xx_rd_32(ha, ISR_INT_STATE_REG); 1235f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (!ISR_IS_LEGACY_INTR_TRIGGERED(status)) { 123633338e31839fe45fa794bcc227d292dd7fab786cVikas Chaudhary DEBUG7(ql4_printk(KERN_INFO, ha, 123733338e31839fe45fa794bcc227d292dd7fab786cVikas Chaudhary "%s legacy Int not triggered\n", __func__)); 1238f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return IRQ_NONE; 1239f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1240f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1241f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* clear the interrupt */ 1242f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff); 1243f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1244f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* read twice to ensure write is flushed */ 1245f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_rd_32(ha, ISR_INT_VECTOR); 1246f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_rd_32(ha, ISR_INT_VECTOR); 1247f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1248f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary spin_lock_irqsave(&ha->hardware_lock, flags); 1249f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary while (1) { 12507664a1fd76d2eb49b07443f5fc46c75f6a95c98bVikas Chaudhary if (!(readl(&ha->qla4_82xx_reg->host_int) & 1251f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ISRX_82XX_RISC_INT)) { 1252f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_spurious_interrupt(ha, reqs_count); 1253f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary break; 1254f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 12557664a1fd76d2eb49b07443f5fc46c75f6a95c98bVikas Chaudhary intr_status = readl(&ha->qla4_82xx_reg->host_status); 1256f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if ((intr_status & 1257f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary (HSRX_RISC_MB_INT | HSRX_RISC_IOCB_INT)) == 0) { 1258f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_spurious_interrupt(ha, reqs_count); 1259f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary break; 1260f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1261f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1262f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->isp_ops->interrupt_service_routine(ha, intr_status); 1263f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1264f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* Enable Interrupt */ 1265f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 1266afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1267f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (++reqs_count == MAX_REQS_SERVICED_PER_INTR) 1268f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary break; 1269f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1270f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1271f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary spin_unlock_irqrestore(&ha->hardware_lock, flags); 1272f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return IRQ_HANDLED; 1273f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1274f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 12756e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary#define LEG_INT_PTR_B31 (1 << 31) 12766e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary#define LEG_INT_PTR_B30 (1 << 30) 12776e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary#define PF_BITS_MASK (0xF << 16) 12786e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 12796e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary/** 12806e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary * qla4_83xx_intr_handler - hardware interrupt handler. 12816e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary * @irq: Unused 12826e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary * @dev_id: Pointer to host adapter structure 12836e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary **/ 12846e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudharyirqreturn_t qla4_83xx_intr_handler(int irq, void *dev_id) 12856e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary{ 12866e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary struct scsi_qla_host *ha = dev_id; 12876e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary uint32_t leg_int_ptr = 0; 12886e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary unsigned long flags = 0; 12896e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 12906e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ha->isr_count++; 12916e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary leg_int_ptr = readl(&ha->qla4_83xx_reg->leg_int_ptr); 12926e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 12936e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary /* Legacy interrupt is valid if bit31 of leg_int_ptr is set */ 12946e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (!(leg_int_ptr & LEG_INT_PTR_B31)) { 129533338e31839fe45fa794bcc227d292dd7fab786cVikas Chaudhary DEBUG7(ql4_printk(KERN_ERR, ha, 1296ff2477bacaf26b4733acebc1a65add4e433ef062Nilesh Javali "%s: Legacy Interrupt Bit 31 not set, spurious interrupt!\n", 1297ff2477bacaf26b4733acebc1a65add4e433ef062Nilesh Javali __func__)); 12986e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary return IRQ_NONE; 12996e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 13006e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 13016e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary /* Validate the PCIE function ID set in leg_int_ptr bits [19..16] */ 13026e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if ((leg_int_ptr & PF_BITS_MASK) != ha->pf_bit) { 130333338e31839fe45fa794bcc227d292dd7fab786cVikas Chaudhary DEBUG7(ql4_printk(KERN_ERR, ha, 1304ff2477bacaf26b4733acebc1a65add4e433ef062Nilesh Javali "%s: Incorrect function ID 0x%x in legacy interrupt register, ha->pf_bit = 0x%x\n", 1305ff2477bacaf26b4733acebc1a65add4e433ef062Nilesh Javali __func__, (leg_int_ptr & PF_BITS_MASK), 1306ff2477bacaf26b4733acebc1a65add4e433ef062Nilesh Javali ha->pf_bit)); 13076e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary return IRQ_NONE; 13086e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 13096e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 13106e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary /* To de-assert legacy interrupt, write 0 to Legacy Interrupt Trigger 13116e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary * Control register and poll till Legacy Interrupt Pointer register 13126e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary * bit30 is 0. 13136e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary */ 13146e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary writel(0, &ha->qla4_83xx_reg->leg_int_trig); 13156e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary do { 13166e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary leg_int_ptr = readl(&ha->qla4_83xx_reg->leg_int_ptr); 13176e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if ((leg_int_ptr & PF_BITS_MASK) != ha->pf_bit) 13186e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary break; 13196e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } while (leg_int_ptr & LEG_INT_PTR_B30); 13206e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 13216e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary spin_lock_irqsave(&ha->hardware_lock, flags); 13226e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary leg_int_ptr = readl(&ha->qla4_83xx_reg->risc_intr); 13236e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ha->isp_ops->interrupt_service_routine(ha, leg_int_ptr); 13246e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary spin_unlock_irqrestore(&ha->hardware_lock, flags); 13256e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 13266e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary return IRQ_HANDLED; 13276e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary} 13286e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 1329f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyirqreturn_t 1330f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyqla4_8xxx_msi_handler(int irq, void *dev_id) 1331f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 1332f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary struct scsi_qla_host *ha; 1333f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1334f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha = (struct scsi_qla_host *) dev_id; 1335f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (!ha) { 1336f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary DEBUG2(printk(KERN_INFO 1337f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "qla4xxx: MSIX: Interrupt with NULL host ptr\n")); 1338f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return IRQ_NONE; 1339f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1340f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1341f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->isr_count++; 1342f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* clear the interrupt */ 1343f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff); 1344f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1345f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* read twice to ensure write is flushed */ 1346f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_rd_32(ha, ISR_INT_VECTOR); 1347f8086f4fd462195a5a824c851997bd12ffceae00Vikas Chaudhary qla4_82xx_rd_32(ha, ISR_INT_VECTOR); 1348f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1349f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return qla4_8xxx_default_intr_handler(irq, dev_id); 1350f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1351f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 13526e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudharystatic irqreturn_t qla4_83xx_mailbox_intr_handler(int irq, void *dev_id) 13536e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary{ 13546e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary struct scsi_qla_host *ha = dev_id; 13556e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary unsigned long flags; 13566e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary uint32_t ival = 0; 13576e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 13586e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary spin_lock_irqsave(&ha->hardware_lock, flags); 13596e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 13606e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ival = readl(&ha->qla4_83xx_reg->risc_intr); 13616e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (ival == 0) { 13626e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ql4_printk(KERN_INFO, ha, 13636e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary "%s: It is a spurious mailbox interrupt!\n", 13646e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary __func__); 13656e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ival = readl(&ha->qla4_83xx_reg->mb_int_mask); 13666e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ival &= ~INT_MASK_FW_MB; 13676e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary writel(ival, &ha->qla4_83xx_reg->mb_int_mask); 13686e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary goto exit; 13696e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 13706e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 13716e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary qla4xxx_isr_decode_mailbox(ha, 13726e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary readl(&ha->qla4_83xx_reg->mailbox_out[0])); 13736e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 13746e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ival = readl(&ha->qla4_83xx_reg->mb_int_mask); 13756e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ival &= ~INT_MASK_FW_MB; 13766e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary writel(ival, &ha->qla4_83xx_reg->mb_int_mask); 13776e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ha->isr_count++; 13786e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudharyexit: 13796e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary spin_unlock_irqrestore(&ha->hardware_lock, flags); 13806e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary return IRQ_HANDLED; 13816e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary} 13826e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary 1383f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary/** 1384f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * qla4_8xxx_default_intr_handler - hardware interrupt handler. 1385f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * @irq: Unused 1386f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * @dev_id: Pointer to host adapter structure 1387f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * 1388f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * This interrupt handler is called directly for MSI-X, and 1389f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary * called indirectly for MSI. 1390f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary **/ 1391f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyirqreturn_t 1392f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyqla4_8xxx_default_intr_handler(int irq, void *dev_id) 1393f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 1394f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary struct scsi_qla_host *ha = dev_id; 1395f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary unsigned long flags; 1396f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint32_t intr_status; 1397f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary uint8_t reqs_count = 0; 1398f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1399b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 14006e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary qla4_83xx_mailbox_intr_handler(irq, dev_id); 14016e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } else { 14026e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary spin_lock_irqsave(&ha->hardware_lock, flags); 14036e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary while (1) { 14046e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (!(readl(&ha->qla4_82xx_reg->host_int) & 14056e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ISRX_82XX_RISC_INT)) { 14066e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary qla4_82xx_spurious_interrupt(ha, reqs_count); 14076e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary break; 14086e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 1409f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 14106e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary intr_status = readl(&ha->qla4_82xx_reg->host_status); 14116e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if ((intr_status & 14126e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary (HSRX_RISC_MB_INT | HSRX_RISC_IOCB_INT)) == 0) { 14136e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary qla4_82xx_spurious_interrupt(ha, reqs_count); 14146e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary break; 14156e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 1416f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 14176e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ha->isp_ops->interrupt_service_routine(ha, intr_status); 1418f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 14196e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (++reqs_count == MAX_REQS_SERVICED_PER_INTR) 14206e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary break; 14216e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 14226e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ha->isr_count++; 14236e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary spin_unlock_irqrestore(&ha->hardware_lock, flags); 1424afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1425f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary return IRQ_HANDLED; 1426f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1427afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1428f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyirqreturn_t 1429f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyqla4_8xxx_msix_rsp_q(int irq, void *dev_id) 1430f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 1431f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary struct scsi_qla_host *ha = dev_id; 1432f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary unsigned long flags; 14331b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash int intr_status; 14346e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary uint32_t ival = 0; 1435f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1436f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary spin_lock_irqsave(&ha->hardware_lock, flags); 1437b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 14386e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ival = readl(&ha->qla4_83xx_reg->iocb_int_mask); 14396e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (ival == 0) { 14406e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: It is a spurious iocb interrupt!\n", 14416e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary __func__); 14426e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary goto exit_msix_rsp_q; 14436e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 14446e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary qla4xxx_process_response_queue(ha); 14456e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary writel(0, &ha->qla4_83xx_reg->iocb_int_mask); 14466e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } else { 14471b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash intr_status = readl(&ha->qla4_82xx_reg->host_status); 14481b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash if (intr_status & HSRX_RISC_IOCB_INT) { 14491b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash qla4xxx_process_response_queue(ha); 14501b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash writel(0, &ha->qla4_82xx_reg->host_int); 14511b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash } else { 14521b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash ql4_printk(KERN_INFO, ha, "%s: spurious iocb interrupt...\n", 14531b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash __func__); 14541b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash goto exit_msix_rsp_q; 14551b3d399cf6877c8d9abd63a2aff41b709a38fbd1Tej Parkash } 14566e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 1457f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->isr_count++; 14586e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudharyexit_msix_rsp_q: 14596e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary spin_unlock_irqrestore(&ha->hardware_lock, flags); 1460afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu return IRQ_HANDLED; 1461afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu} 1462afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1463afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu/** 1464afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * qla4xxx_process_aen - processes AENs generated by firmware 1465afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @ha: pointer to host adapter structure. 1466afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * @process_aen: type of AENs to process 1467afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * 1468afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * Processes specific types of Asynchronous Events generated by firmware. 1469afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * The type of AENs to process is specified by process_aen and can be 1470afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * PROCESS_ALL_AENS 0 1471afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * FLUSH_DDB_CHANGED_AENS 1 1472afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu * RELOGIN_DDB_CHANGED_AENS 2 1473afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu **/ 1474afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajuluvoid qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen) 1475afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu{ 1476afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu uint32_t mbox_sts[MBOX_AEN_REG_COUNT]; 1477afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu struct aen *aen; 1478afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu int i; 1479afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu unsigned long flags; 1480afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1481afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1482afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu while (ha->aen_out != ha->aen_in) { 1483afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu aen = &ha->aen_q[ha->aen_out]; 1484afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu /* copy aen information to local structure */ 1485afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu for (i = 0; i < MBOX_AEN_REG_COUNT; i++) 1486afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu mbox_sts[i] = aen->mbox_sts[i]; 1487afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1488401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu ha->aen_q_count++; 1489401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu ha->aen_out++; 1490401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu 1491401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu if (ha->aen_out == MAX_AEN_ENTRIES) 1492401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu ha->aen_out = 0; 1493401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu 1494afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1495afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1496401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu DEBUG2(printk("qla4xxx(%ld): AEN[%d]=0x%08x, mbx1=0x%08x mbx2=0x%08x" 1497401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu " mbx3=0x%08x mbx4=0x%08x\n", ha->host_no, 1498401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu (ha->aen_out ? (ha->aen_out-1): (MAX_AEN_ENTRIES-1)), 1499401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu mbox_sts[0], mbox_sts[1], mbox_sts[2], 1500401425b1ea005b39dcc544bffea833f338ba84f6David C Somayajulu mbox_sts[3], mbox_sts[4])); 1501afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1502afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu switch (mbox_sts[0]) { 1503afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu case MBOX_ASTS_DATABASE_CHANGED: 1504b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar switch (process_aen) { 1505b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar case FLUSH_DDB_CHANGED_AENS: 1506afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu DEBUG2(printk("scsi%ld: AEN[%d] %04x, index " 1507afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu "[%d] state=%04x FLUSHED!\n", 1508afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu ha->host_no, ha->aen_out, 1509afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu mbox_sts[0], mbox_sts[2], 1510afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu mbox_sts[3])); 1511afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu break; 1512b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar case PROCESS_ALL_AENS: 1513b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar default: 1514b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar /* Specific device. */ 1515b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar if (mbox_sts[1] == 1) 1516b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar qla4xxx_process_ddb_changed(ha, 1517b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar mbox_sts[2], mbox_sts[3], 1518b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar mbox_sts[4]); 1519b3a271a94d0034dd3bab10b8d8cd432843be629eManish Rangankar break; 1520afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1521afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1522afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1523afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu } 1524afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1525afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu} 1526afaf5a2d341d33b66b47c2716a263ce593460a08David Somayajulu 1527f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyint qla4xxx_request_irqs(struct scsi_qla_host *ha) 1528f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 1529d43ba46fa226b106c66c7c92c8c512ef8515b6eeTej Parkash int ret = 0; 1530bb5649f3eb43f47d07fdfbfbc1ce5b0dd2aef546Vikas Chaudhary int rval = QLA_ERROR; 1531f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1532ee996a691752ae55d26c1dd6de7421c1eb64cffbVikas Chaudhary if (is_qla40XX(ha)) 1533f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary goto try_intx; 1534f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 15356e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary if (ql4xenablemsix == 2) { 1536b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary /* Note: MSI Interrupts not supported for ISP8324 and ISP8042 */ 1537b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 1538b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: MSI Interrupts not supported for ISP%04x, Falling back-to INTx mode\n", 1539b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary __func__, ha->pdev->device); 15406e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary goto try_intx; 15416e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 1542f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary goto try_msi; 15436e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 1544f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1545f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (ql4xenablemsix == 0 || ql4xenablemsix != 1) 1546f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary goto try_intx; 1547f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1548f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* Trying MSI-X */ 1549f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ret = qla4_8xxx_enable_msix(ha); 1550f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (!ret) { 1551f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 1552f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "MSI-X: Enabled (0x%X).\n", ha->revision_id)); 1553f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary goto irq_attached; 15546e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } else { 1555b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 1556b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: ISP%04x: MSI-X: Falling back-to INTx mode. ret = %d\n", 1557b37ca4183c287448ad0096381d030ca5fc788059Vikas Chaudhary __func__, ha->pdev->device, ret); 15586e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary goto try_intx; 15596e7b429259fc0b7f2d9b1147466656b34d114815Vikas Chaudhary } 1560f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1561f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1562f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ql4_printk(KERN_WARNING, ha, 1563f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "MSI-X: Falling back-to MSI mode -- %d.\n", ret); 1564f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1565f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharytry_msi: 1566f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* Trying MSI */ 1567f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ret = pci_enable_msi(ha->pdev); 1568f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (!ret) { 1569f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ret = request_irq(ha->pdev->irq, qla4_8xxx_msi_handler, 157061391d314e856030b2b40b5d6ea22b93de0f1fedShyam Sundar 0, DRIVER_NAME, ha); 1571f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (!ret) { 1572f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "MSI: Enabled.\n")); 1573f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary set_bit(AF_MSI_ENABLED, &ha->flags); 1574f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary goto irq_attached; 1575f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } else { 1576f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ql4_printk(KERN_WARNING, ha, 1577f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "MSI: Failed to reserve interrupt %d " 1578f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "already in use.\n", ha->pdev->irq); 1579f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary pci_disable_msi(ha->pdev); 1580f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1581f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1582f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1583d43ba46fa226b106c66c7c92c8c512ef8515b6eeTej Parkashtry_intx: 1584109a008bfe73322c1e2b16a7d23eb9899afe4352Vikas Chaudhary if (is_qla8022(ha)) { 1585d43ba46fa226b106c66c7c92c8c512ef8515b6eeTej Parkash ql4_printk(KERN_WARNING, ha, "%s: ISP82xx Legacy interrupt not supported\n", 1586d43ba46fa226b106c66c7c92c8c512ef8515b6eeTej Parkash __func__); 1587109a008bfe73322c1e2b16a7d23eb9899afe4352Vikas Chaudhary goto irq_not_attached; 1588109a008bfe73322c1e2b16a7d23eb9899afe4352Vikas Chaudhary } 1589d43ba46fa226b106c66c7c92c8c512ef8515b6eeTej Parkash 1590f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary /* Trying INTx */ 1591f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 15923e1350c4dc8900476c4db2066c00f13e9e939817Vikas Chaudhary IRQF_SHARED, DRIVER_NAME, ha); 1593f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary if (!ret) { 1594f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "INTx: Enabled.\n")); 1595f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary set_bit(AF_INTx_ENABLED, &ha->flags); 1596f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary goto irq_attached; 1597f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1598f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } else { 1599f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ql4_printk(KERN_WARNING, ha, 1600f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary "INTx: Failed to reserve interrupt %d already in" 1601f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary " use.\n", ha->pdev->irq); 1602109a008bfe73322c1e2b16a7d23eb9899afe4352Vikas Chaudhary goto irq_not_attached; 1603f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary } 1604f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1605f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyirq_attached: 1606f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary set_bit(AF_IRQ_ATTACHED, &ha->flags); 1607f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ha->host->irq = ha->pdev->irq; 1608f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: irq %d attached\n", 1609bb5649f3eb43f47d07fdfbfbc1ce5b0dd2aef546Vikas Chaudhary __func__, ha->pdev->irq); 1610bb5649f3eb43f47d07fdfbfbc1ce5b0dd2aef546Vikas Chaudhary rval = QLA_SUCCESS; 1611109a008bfe73322c1e2b16a7d23eb9899afe4352Vikas Chaudharyirq_not_attached: 1612bb5649f3eb43f47d07fdfbfbc1ce5b0dd2aef546Vikas Chaudhary return rval; 1613f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1614f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary 1615f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudharyvoid qla4xxx_free_irqs(struct scsi_qla_host *ha) 1616f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary{ 16175c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary if (test_and_clear_bit(AF_IRQ_ATTACHED, &ha->flags)) { 16185c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary if (test_bit(AF_MSIX_ENABLED, &ha->flags)) { 16195c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary qla4_8xxx_disable_msix(ha); 16205c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary } else if (test_and_clear_bit(AF_MSI_ENABLED, &ha->flags)) { 16215c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary free_irq(ha->pdev->irq, ha); 16225c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary pci_disable_msi(ha->pdev); 16235c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary } else if (test_and_clear_bit(AF_INTx_ENABLED, &ha->flags)) { 16245c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary free_irq(ha->pdev->irq, ha); 16255c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary } 16265c19b92ae82a2b39add78b2d2bc1c4e4d7c4d2ecVikas Chaudhary } 1627f4f5df23bf72208d0c2f1d8be629839924c2f4c2Vikas Chaudhary} 1628