[SCSI] m68k: new mac_esp scsi driver
[safe/jmp/linux-2.6] / drivers / scsi / qla1280.c
index e023024..09ab3ea 100644 (file)
         - Don't walk the entire list in qla1280_putq_t() just to directly
          grab the pointer to the last element afterwards
     Rev  3.23.5 Beta August 9, 2001, Jes Sorensen
-       - Don't use SA_INTERRUPT, it's use is deprecated for this kinda driver
+       - Don't use IRQF_DISABLED, it's use is deprecated for this kinda driver
     Rev  3.23.4 Beta August 8, 2001, Jes Sorensen
        - Set dev->max_sectors to 1024
     Rev  3.23.3 Beta August 6, 2001, Jes Sorensen
 *****************************************************************************/
 
 
-#include <linux/config.h>
 #include <linux/module.h>
 
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>
 #include <linux/timer.h>
-#include <linux/sched.h>
 #include <linux/pci.h>
 #include <linux/proc_fs.h>
 #include <linux/stat.h>
 #include <linux/pci_ids.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/sn/io.h>
 #endif
 
-#if LINUX_VERSION_CODE < 0x020600
-#error "Kernels older than 2.6.0 are no longer supported"
-#endif
-
 
 /*
  * Compile time Options:
 #include "ql1280_fw.h"
 #include "ql1040_fw.h"
 
-
-/*
- * Missing PCI ID's
- */
-#ifndef PCI_DEVICE_ID_QLOGIC_ISP1080
-#define PCI_DEVICE_ID_QLOGIC_ISP1080   0x1080
-#endif
-#ifndef PCI_DEVICE_ID_QLOGIC_ISP1240
-#define PCI_DEVICE_ID_QLOGIC_ISP1240   0x1240
-#endif
-#ifndef PCI_DEVICE_ID_QLOGIC_ISP1280
-#define PCI_DEVICE_ID_QLOGIC_ISP1280   0x1280
-#endif
-#ifndef PCI_DEVICE_ID_QLOGIC_ISP10160
-#define PCI_DEVICE_ID_QLOGIC_ISP10160  0x1016
-#endif
-#ifndef PCI_DEVICE_ID_QLOGIC_ISP12160
-#define PCI_DEVICE_ID_QLOGIC_ISP12160  0x1216
-#endif
-
-#ifndef PCI_VENDOR_ID_AMI
-#define PCI_VENDOR_ID_AMI               0x101e
-#endif
-
 #ifndef BITS_PER_LONG
 #error "BITS_PER_LONG not defined!"
 #endif
@@ -553,7 +523,7 @@ __setup("qla1280=", qla1280_setup);
 #define        CMD_CDBLEN(Cmnd)        Cmnd->cmd_len
 #define        CMD_CDBP(Cmnd)          Cmnd->cmnd
 #define        CMD_SNSP(Cmnd)          Cmnd->sense_buffer
-#define        CMD_SNSLEN(Cmnd)        sizeof(Cmnd->sense_buffer)
+#define        CMD_SNSLEN(Cmnd)        SCSI_SENSE_BUFFERSIZE
 #define        CMD_RESULT(Cmnd)        Cmnd->result
 #define        CMD_HANDLE(Cmnd)        Cmnd->host_scribble
 #define CMD_REQUEST(Cmnd)      Cmnd->request->cmd
@@ -837,7 +807,7 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
        uint16_t data;
        unsigned char *handle;
        int result, i;
-       DECLARE_COMPLETION(wait);
+       DECLARE_COMPLETION_ONSTACK(wait);
        struct timer_list timer;
 
        ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata);
@@ -955,11 +925,10 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
 
        case BUS_RESET:
                if (qla1280_verbose)
-                       printk(KERN_INFO "qla1280(%ld:%d): Issuing BUS "
-                              "DEVICE RESET\n", ha->host_no, bus);
-               if (qla1280_bus_reset(ha, bus == 0))
+                       printk(KERN_INFO "qla1280(%ld:%d): Issued bus "
+                              "reset.\n", ha->host_no, bus);
+               if (qla1280_bus_reset(ha, bus) == 0)
                        result = SUCCESS;
-
                break;
 
        case ADAPTER_RESET:
@@ -1137,7 +1106,7 @@ qla1280_enable_intrs(struct scsi_qla_host *ha)
  *   Handles the H/W interrupt
  **************************************************************************/
 static irqreturn_t
-qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
+qla1280_intr_handler(int irq, void *dev_id)
 {
        struct scsi_qla_host *ha;
        struct device_reg __iomem *reg;
@@ -1336,14 +1305,7 @@ qla1280_done(struct scsi_qla_host *ha)
                }
 
                /* Release memory used for this I/O */
-               if (cmd->use_sg) {
-                       pci_unmap_sg(ha->pdev, cmd->request_buffer,
-                                       cmd->use_sg, cmd->sc_data_direction);
-               } else if (cmd->request_bufflen) {
-                       pci_unmap_single(ha->pdev, sp->saved_dma_handle,
-                                       cmd->request_bufflen,
-                                       cmd->sc_data_direction);
-               }
+               scsi_dma_unmap(cmd);
 
                /* Call the mid-level driver interrupt handler */
                CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE;
@@ -1366,7 +1328,7 @@ qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
        int host_status = DID_ERROR;
        uint16_t comp_status = le16_to_cpu(sts->comp_status);
        uint16_t state_flags = le16_to_cpu(sts->state_flags);
-       uint16_t residual_length = le32_to_cpu(sts->residual_length);
+       uint32_t residual_length = le32_to_cpu(sts->residual_length);
        uint16_t scsi_status = le16_to_cpu(sts->scsi_status);
 #if DEBUG_QLA1280_INTR
        static char *reason[] = {
@@ -1432,14 +1394,16 @@ qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
                break;
 
        case CS_DATA_UNDERRUN:
-               if ((cp->request_bufflen - residual_length) <
+               if ((scsi_bufflen(cp) - residual_length) <
                    cp->underflow) {
                        printk(KERN_WARNING
                               "scsi: Underflow detected - retrying "
                               "command.\n");
                        host_status = DID_ERROR;
-               } else
+               } else {
+                       scsi_set_resid(cp, residual_length);
                        host_status = DID_OK;
+               }
                break;
 
        default:
@@ -2430,7 +2394,7 @@ qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb)
        uint16_t *optr, *iptr;
        uint16_t __iomem *mptr;
        uint16_t data;
-       DECLARE_COMPLETION(wait);
+       DECLARE_COMPLETION_ONSTACK(wait);
        struct timer_list timer;
 
        ENTER("qla1280_mailbox_command");
@@ -2799,33 +2763,28 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        struct device_reg __iomem *reg = ha->iobase;
        struct scsi_cmnd *cmd = sp->cmd;
        cmd_a64_entry_t *pkt;
-       struct scatterlist *sg = NULL;
        __le32 *dword_ptr;
        dma_addr_t dma_handle;
        int status = 0;
        int cnt;
        int req_cnt;
-       u16 seg_cnt;
+       int seg_cnt;
        u8 dir;
 
        ENTER("qla1280_64bit_start_scsi:");
 
        /* Calculate number of entries and segments required. */
        req_cnt = 1;
-       if (cmd->use_sg) {
-               sg = (struct scatterlist *) cmd->request_buffer;
-               seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
-                                    cmd->sc_data_direction);
-
+       seg_cnt = scsi_dma_map(cmd);
+       if (seg_cnt > 0) {
                if (seg_cnt > 2) {
                        req_cnt += (seg_cnt - 2) / 5;
                        if ((seg_cnt - 2) % 5)
                                req_cnt++;
                }
-       } else if (cmd->request_bufflen) {      /* If data transfer. */
-               seg_cnt = 1;
-       } else {
-               seg_cnt = 0;
+       } else if (seg_cnt < 0) {
+               status = 1;
+               goto out;
        }
 
        if ((req_cnt + 2) >= ha->req_q_cnt) {
@@ -2886,7 +2845,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
 
        /* Set ISP command timeout. */
-       pkt->timeout = cpu_to_le16(30);
+       pkt->timeout = cpu_to_le16(cmd->timeout_per_command/HZ);
 
        /* Set device target ID and LUN */
        pkt->lun = SCSI_LUN_32(cmd);
@@ -2913,118 +2872,104 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
         * Load data segments.
         */
        if (seg_cnt) {  /* If data transfer. */
+               struct scatterlist *sg, *s;
+               int remseg = seg_cnt;
+
+               sg = scsi_sglist(cmd);
+
                /* Setup packet address segment pointer. */
                dword_ptr = (u32 *)&pkt->dseg_0_address;
 
-               if (cmd->use_sg) {      /* If scatter gather */
-                       /* Load command entry data segments. */
-                       for (cnt = 0; cnt < 2 && seg_cnt; cnt++, seg_cnt--) {
-                               dma_handle = sg_dma_address(sg);
+               /* Load command entry data segments. */
+               for_each_sg(sg, s, seg_cnt, cnt) {
+                       if (cnt == 2)
+                               break;
+
+                       dma_handle = sg_dma_address(s);
+#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
+                       if (ha->flags.use_pci_vchannel)
+                               sn_pci_set_vchan(ha->pdev,
+                                                (unsigned long *)&dma_handle,
+                                                SCSI_BUS_32(cmd));
+#endif
+                       *dword_ptr++ =
+                               cpu_to_le32(pci_dma_lo32(dma_handle));
+                       *dword_ptr++ =
+                               cpu_to_le32(pci_dma_hi32(dma_handle));
+                       *dword_ptr++ = cpu_to_le32(sg_dma_len(s));
+                       dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n",
+                               cpu_to_le32(pci_dma_hi32(dma_handle)),
+                               cpu_to_le32(pci_dma_lo32(dma_handle)),
+                               cpu_to_le32(sg_dma_len(sg_next(s))));
+                       remseg--;
+               }
+               dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather "
+                       "command packet data - b %i, t %i, l %i \n",
+                       SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
+                       SCSI_LUN_32(cmd));
+               qla1280_dump_buffer(5, (char *)pkt,
+                                   REQUEST_ENTRY_SIZE);
+
+               /*
+                * Build continuation packets.
+                */
+               dprintk(3, "S/G Building Continuation...seg_cnt=0x%x "
+                       "remains\n", seg_cnt);
+
+               while (remseg > 0) {
+                       /* Update sg start */
+                       sg = s;
+                       /* Adjust ring index. */
+                       ha->req_ring_index++;
+                       if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
+                               ha->req_ring_index = 0;
+                               ha->request_ring_ptr =
+                                       ha->request_ring;
+                       } else
+                               ha->request_ring_ptr++;
+
+                       pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
+
+                       /* Zero out packet. */
+                       memset(pkt, 0, REQUEST_ENTRY_SIZE);
+
+                       /* Load packet defaults. */
+                       ((struct cont_a64_entry *) pkt)->entry_type =
+                               CONTINUE_A64_TYPE;
+                       ((struct cont_a64_entry *) pkt)->entry_count = 1;
+                       ((struct cont_a64_entry *) pkt)->sys_define =
+                               (uint8_t)ha->req_ring_index;
+                       /* Setup packet address segment pointer. */
+                       dword_ptr =
+                               (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
+
+                       /* Load continuation entry data segments. */
+                       for_each_sg(sg, s, remseg, cnt) {
+                               if (cnt == 5)
+                                       break;
+                               dma_handle = sg_dma_address(s);
 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
                                if (ha->flags.use_pci_vchannel)
                                        sn_pci_set_vchan(ha->pdev,
-                                                       (unsigned long *)&dma_handle,
+                                                        (unsigned long *)&dma_handle,
                                                         SCSI_BUS_32(cmd));
 #endif
                                *dword_ptr++ =
                                        cpu_to_le32(pci_dma_lo32(dma_handle));
                                *dword_ptr++ =
                                        cpu_to_le32(pci_dma_hi32(dma_handle));
-                               *dword_ptr++ = cpu_to_le32(sg_dma_len(sg));
-                               sg++;
-                               dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n",
+                               *dword_ptr++ =
+                                       cpu_to_le32(sg_dma_len(s));
+                               dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
                                        cpu_to_le32(pci_dma_hi32(dma_handle)),
                                        cpu_to_le32(pci_dma_lo32(dma_handle)),
-                                       cpu_to_le32(sg_dma_len(sg)));
-                       }
-                       dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather "
-                               "command packet data - b %i, t %i, l %i \n",
-                               SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
-                               SCSI_LUN_32(cmd));
-                       qla1280_dump_buffer(5, (char *)pkt,
-                                           REQUEST_ENTRY_SIZE);
-
-                       /*
-                        * Build continuation packets.
-                        */
-                       dprintk(3, "S/G Building Continuation...seg_cnt=0x%x "
-                               "remains\n", seg_cnt);
-
-                       while (seg_cnt > 0) {
-                               /* Adjust ring index. */
-                               ha->req_ring_index++;
-                               if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
-                                       ha->req_ring_index = 0;
-                                       ha->request_ring_ptr =
-                                               ha->request_ring;
-                               } else
-                                               ha->request_ring_ptr++;
-
-                               pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
-
-                               /* Zero out packet. */
-                               memset(pkt, 0, REQUEST_ENTRY_SIZE);
-
-                               /* Load packet defaults. */
-                               ((struct cont_a64_entry *) pkt)->entry_type =
-                                       CONTINUE_A64_TYPE;
-                               ((struct cont_a64_entry *) pkt)->entry_count = 1;
-                               ((struct cont_a64_entry *) pkt)->sys_define =
-                                       (uint8_t)ha->req_ring_index;
-                               /* Setup packet address segment pointer. */
-                               dword_ptr =
-                                       (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
-
-                               /* Load continuation entry data segments. */
-                               for (cnt = 0; cnt < 5 && seg_cnt;
-                                    cnt++, seg_cnt--) {
-                                       dma_handle = sg_dma_address(sg);
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
-                               if (ha->flags.use_pci_vchannel)
-                                       sn_pci_set_vchan(ha->pdev, 
-                                                       (unsigned long *)&dma_handle,
-                                                        SCSI_BUS_32(cmd));
-#endif
-                                       *dword_ptr++ =
-                                               cpu_to_le32(pci_dma_lo32(dma_handle));
-                                       *dword_ptr++ =
-                                               cpu_to_le32(pci_dma_hi32(dma_handle));
-                                       *dword_ptr++ =
-                                               cpu_to_le32(sg_dma_len(sg));
-                                       dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
-                                               cpu_to_le32(pci_dma_hi32(dma_handle)),
-                                               cpu_to_le32(pci_dma_lo32(dma_handle)),
-                                               cpu_to_le32(sg_dma_len(sg)));
-                                       sg++;
-                               }
-                               dprintk(5, "qla1280_64bit_start_scsi: "
-                                       "continuation packet data - b %i, t "
-                                       "%i, l %i \n", SCSI_BUS_32(cmd),
-                                       SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
-                               qla1280_dump_buffer(5, (char *)pkt,
-                                                   REQUEST_ENTRY_SIZE);
+                                       cpu_to_le32(sg_dma_len(s)));
                        }
-               } else {        /* No scatter gather data transfer */
-                       dma_handle = pci_map_single(ha->pdev,
-                                       cmd->request_buffer,
-                                       cmd->request_bufflen,
-                                       cmd->sc_data_direction);
-
-                       sp->saved_dma_handle = dma_handle;
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
-                       if (ha->flags.use_pci_vchannel)
-                               sn_pci_set_vchan(ha->pdev, 
-                                               (unsigned long *)&dma_handle,
-                                                SCSI_BUS_32(cmd));
-#endif
-                       *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
-                       *dword_ptr++ = cpu_to_le32(pci_dma_hi32(dma_handle));
-                       *dword_ptr = cpu_to_le32(cmd->request_bufflen);
-
-                       dprintk(5, "qla1280_64bit_start_scsi: No scatter/"
-                               "gather command packet data - b %i, t %i, "
-                               "l %i \n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
-                               SCSI_LUN_32(cmd));
+                       remseg -= cnt;
+                       dprintk(5, "qla1280_64bit_start_scsi: "
+                               "continuation packet data - b %i, t "
+                               "%i, l %i \n", SCSI_BUS_32(cmd),
+                               SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
                        qla1280_dump_buffer(5, (char *)pkt,
                                            REQUEST_ENTRY_SIZE);
                }
@@ -3086,13 +3031,11 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        struct device_reg __iomem *reg = ha->iobase;
        struct scsi_cmnd *cmd = sp->cmd;
        struct cmd_entry *pkt;
-       struct scatterlist *sg = NULL;
        __le32 *dword_ptr;
        int status = 0;
        int cnt;
        int req_cnt;
-       uint16_t seg_cnt;
-       dma_addr_t dma_handle;
+       int seg_cnt;
        u8 dir;
 
        ENTER("qla1280_32bit_start_scsi");
@@ -3102,17 +3045,8 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 
        /* Calculate number of entries and segments required. */
        req_cnt = 1;
-       if (cmd->use_sg) {
-               /*
-                * We must build an SG list in adapter format, as the kernel's
-                * SG list cannot be used directly because of data field size
-                * (__alpha__) differences and the kernel SG list uses virtual
-                * addresses where we need physical addresses.
-                */
-               sg = (struct scatterlist *) cmd->request_buffer;
-               seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
-                                    cmd->sc_data_direction);
-
+       seg_cnt = scsi_dma_map(cmd);
+       if (seg_cnt) {
                /*
                 * if greater than four sg entries then we need to allocate
                 * continuation entries
@@ -3124,14 +3058,9 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
                }
                dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n",
                        cmd, seg_cnt, req_cnt);
-       } else if (cmd->request_bufflen) {      /* If data transfer. */
-               dprintk(3, "No S/G transfer t=%x cmd=%p len=%x CDB=%x\n",
-                       SCSI_TCN_32(cmd), cmd, cmd->request_bufflen,
-                       cmd->cmnd[0]);
-               seg_cnt = 1;
-       } else {
-               /* dprintk(1, "No data transfer \n"); */
-               seg_cnt = 0;
+       } else if (seg_cnt < 0) {
+               status = 1;
+               goto out;
        }
 
        if ((req_cnt + 2) >= ha->req_q_cnt) {
@@ -3185,7 +3114,7 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
 
        /* Set ISP command timeout. */
-       pkt->timeout = cpu_to_le16(30);
+       pkt->timeout = cpu_to_le16(cmd->timeout_per_command/HZ);
 
        /* Set device target ID and LUN */
        pkt->lun = SCSI_LUN_32(cmd);
@@ -3212,86 +3141,84 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
         * Load data segments.
         */
        if (seg_cnt) {
+               struct scatterlist *sg, *s;
+               int remseg = seg_cnt;
+
+               sg = scsi_sglist(cmd);
+
                /* Setup packet address segment pointer. */
                dword_ptr = &pkt->dseg_0_address;
 
-               if (cmd->use_sg) {      /* If scatter gather */
-                       dprintk(3, "Building S/G data segments..\n");
-                       qla1280_dump_buffer(1, (char *)sg, 4 * 16);
+               dprintk(3, "Building S/G data segments..\n");
+               qla1280_dump_buffer(1, (char *)sg, 4 * 16);
+
+               /* Load command entry data segments. */
+               for_each_sg(sg, s, seg_cnt, cnt) {
+                       if (cnt == 4)
+                               break;
+                       *dword_ptr++ =
+                               cpu_to_le32(pci_dma_lo32(sg_dma_address(s)));
+                       *dword_ptr++ = cpu_to_le32(sg_dma_len(s));
+                       dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n",
+                               (pci_dma_lo32(sg_dma_address(s))),
+                               (sg_dma_len(s)));
+                       remseg--;
+               }
+               /*
+                * Build continuation packets.
+                */
+               dprintk(3, "S/G Building Continuation"
+                       "...seg_cnt=0x%x remains\n", seg_cnt);
+               while (remseg > 0) {
+                       /* Continue from end point */
+                       sg = s;
+                       /* Adjust ring index. */
+                       ha->req_ring_index++;
+                       if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
+                               ha->req_ring_index = 0;
+                               ha->request_ring_ptr =
+                                       ha->request_ring;
+                       } else
+                               ha->request_ring_ptr++;
+
+                       pkt = (struct cmd_entry *)ha->request_ring_ptr;
+
+                       /* Zero out packet. */
+                       memset(pkt, 0, REQUEST_ENTRY_SIZE);
+
+                       /* Load packet defaults. */
+                       ((struct cont_entry *) pkt)->
+                               entry_type = CONTINUE_TYPE;
+                       ((struct cont_entry *) pkt)->entry_count = 1;
 
-                       /* Load command entry data segments. */
-                       for (cnt = 0; cnt < 4 && seg_cnt; cnt++, seg_cnt--) {
+                       ((struct cont_entry *) pkt)->sys_define =
+                               (uint8_t) ha->req_ring_index;
+
+                       /* Setup packet address segment pointer. */
+                       dword_ptr =
+                               &((struct cont_entry *) pkt)->dseg_0_address;
+
+                       /* Load continuation entry data segments. */
+                       for_each_sg(sg, s, remseg, cnt) {
+                               if (cnt == 7)
+                                       break;
                                *dword_ptr++ =
-                                       cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
+                                       cpu_to_le32(pci_dma_lo32(sg_dma_address(s)));
                                *dword_ptr++ =
-                                       cpu_to_le32(sg_dma_len(sg));
-                               dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n",
-                                       (pci_dma_lo32(sg_dma_address(sg))),
-                                       (sg_dma_len(sg)));
-                               sg++;
-                       }
-                       /*
-                        * Build continuation packets.
-                        */
-                       dprintk(3, "S/G Building Continuation"
-                               "...seg_cnt=0x%x remains\n", seg_cnt);
-                       while (seg_cnt > 0) {
-                               /* Adjust ring index. */
-                               ha->req_ring_index++;
-                               if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
-                                       ha->req_ring_index = 0;
-                                       ha->request_ring_ptr =
-                                               ha->request_ring;
-                               } else
-                                       ha->request_ring_ptr++;
-
-                               pkt = (struct cmd_entry *)ha->request_ring_ptr;
-
-                               /* Zero out packet. */
-                               memset(pkt, 0, REQUEST_ENTRY_SIZE);
-
-                               /* Load packet defaults. */
-                               ((struct cont_entry *) pkt)->
-                                       entry_type = CONTINUE_TYPE;
-                               ((struct cont_entry *) pkt)->entry_count = 1;
-
-                               ((struct cont_entry *) pkt)->sys_define =
-                                       (uint8_t) ha->req_ring_index;
-
-                               /* Setup packet address segment pointer. */
-                               dword_ptr =
-                                       &((struct cont_entry *) pkt)->dseg_0_address;
-
-                               /* Load continuation entry data segments. */
-                               for (cnt = 0; cnt < 7 && seg_cnt;
-                                    cnt++, seg_cnt--) {
-                                       *dword_ptr++ =
-                                               cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
-                                       *dword_ptr++ =
-                                               cpu_to_le32(sg_dma_len(sg));
-                                       dprintk(1,
-                                               "S/G Segment Cont. phys_addr=0x%x, "
-                                               "len=0x%x\n",
-                                               cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))),
-                                               cpu_to_le32(sg_dma_len(sg)));
-                                       sg++;
-                               }
-                               dprintk(5, "qla1280_32bit_start_scsi: "
-                                       "continuation packet data - "
-                                       "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd),
-                                       SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
-                               qla1280_dump_buffer(5, (char *)pkt,
-                                                   REQUEST_ENTRY_SIZE);
+                                       cpu_to_le32(sg_dma_len(s));
+                               dprintk(1,
+                                       "S/G Segment Cont. phys_addr=0x%x, "
+                                       "len=0x%x\n",
+                                       cpu_to_le32(pci_dma_lo32(sg_dma_address(s))),
+                                       cpu_to_le32(sg_dma_len(s)));
                        }
-               } else {        /* No S/G data transfer */
-                       dma_handle = pci_map_single(ha->pdev,
-                                       cmd->request_buffer,
-                                       cmd->request_bufflen,
-                                       cmd->sc_data_direction);
-                       sp->saved_dma_handle = dma_handle;
-
-                       *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
-                       *dword_ptr = cpu_to_le32(cmd->request_bufflen);
+                       remseg -= cnt;
+                       dprintk(5, "qla1280_32bit_start_scsi: "
+                               "continuation packet data - "
+                               "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd),
+                               SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
+                       qla1280_dump_buffer(5, (char *)pkt,
+                                           REQUEST_ENTRY_SIZE);
                }
        } else {        /* No data transfer at all */
                dprintk(5, "qla1280_32bit_start_scsi: No data, command "
@@ -3783,7 +3710,7 @@ qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
                        } else
                                sense_sz = 0;
                        memset(cmd->sense_buffer + sense_sz, 0,
-                              sizeof(cmd->sense_buffer) - sense_sz);
+                              SCSI_SENSE_BUFFERSIZE - sense_sz);
 
                        dprintk(2, "qla1280_status_entry: Check "
                                "condition Sense data, b %i, t %i, "
@@ -4099,9 +4026,9 @@ __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd)
        for (i = 0; i < cmd->cmd_len; i++) {
                printk("0x%02x ", cmd->cmnd[i]);
        }
-       printk("  seg_cnt =%d\n", cmd->use_sg);
+       printk("  seg_cnt =%d\n", scsi_sg_count(cmd));
        printk("  request buffer=0x%p, request buffer len=0x%x\n",
-              cmd->request_buffer, cmd->request_bufflen);
+              scsi_sglist(cmd), scsi_bufflen(cmd));
        /* if (cmd->use_sg)
           {
           sg = (struct scatterlist *) cmd->request_buffer;
@@ -4110,7 +4037,7 @@ __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd)
           } */
        printk("  tag=%d, transfersize=0x%x \n",
               cmd->tag, cmd->transfersize);
-       printk("  Pid=%li, SP=0x%p\n", cmd->pid, CMD_SP(cmd));
+       printk("  Pid=%li, SP=0x%p\n", cmd->serial_number, CMD_SP(cmd));
        printk(" underflow size = 0x%x, direction=0x%x\n",
               cmd->underflow, cmd->sc_data_direction);
 }
@@ -4233,20 +4160,17 @@ qla1280_setup(char *s)
 }
 
 
-static int
+static int __init
 qla1280_get_token(char *str)
 {
        char *sep;
        long ret = -1;
-       int i, len;
-
-       len = sizeof(setup_token)/sizeof(struct setup_tokens);
+       int i;
 
        sep = strchr(str, ':');
 
        if (sep) {
-               for (i = 0; i < len; i++){
-
+               for (i = 0; i < ARRAY_SIZE(setup_token); i++) {
                        if (!strncmp(setup_token[i].token, str, (sep - str))) {
                                ret =  setup_token[i].val;
                                break;
@@ -4320,22 +4244,22 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
        ha->devnum = devnum;    /* specifies microcode load address */
 
 #ifdef QLA_64BIT_PTR
-       if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) {
-               if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
+       if (pci_set_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
+               if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
                        printk(KERN_WARNING "scsi(%li): Unable to set a "
                               "suitable DMA mask - aborting\n", ha->host_no);
                        error = -ENODEV;
-                       goto error_free_irq;
+                       goto error_put_host;
                }
        } else
                dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n",
                        ha->host_no);
 #else
-       if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
+       if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
                printk(KERN_WARNING "scsi(%li): Unable to set a "
                       "suitable DMA mask - aborting\n", ha->host_no);
                error = -ENODEV;
-               goto error_free_irq;
+               goto error_put_host;
        }
 #endif
 
@@ -4396,7 +4320,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
        /* Disable ISP interrupts. */
        qla1280_disable_intrs(ha);
 
-       if (request_irq(pdev->irq, qla1280_intr_handler, SA_SHIRQ,
+       if (request_irq(pdev->irq, qla1280_intr_handler, IRQF_SHARED,
                                "qla1280", ha)) {
                printk("qla1280 : Failed to reserve interrupt %d already "
                       "in use\n", pdev->irq);
@@ -4511,7 +4435,7 @@ qla1280_init(void)
                qla1280_setup(qla1280);
 #endif
 
-       return pci_module_init(&qla1280_pci_driver);
+       return pci_register_driver(&qla1280_pci_driver);
 }
 
 static void __exit