[PATCH] mempool: use mempool_create_slab_pool()
[pandora-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
index 9f91f1a..017729c 100644 (file)
@@ -8,8 +8,8 @@
 
 #include <linux/moduleparam.h>
 #include <linux/vmalloc.h>
-#include <linux/smp_lock.h>
 #include <linux/delay.h>
+#include <linux/kthread.h>
 
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
@@ -1146,6 +1146,57 @@ qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
        pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
 }
 
+static inline void
+qla2x00_set_isp_flags(scsi_qla_host_t *ha)
+{
+       ha->device_type = DT_EXTENDED_IDS;
+       switch (ha->pdev->device) {
+       case PCI_DEVICE_ID_QLOGIC_ISP2100:
+               ha->device_type |= DT_ISP2100;
+               ha->device_type &= ~DT_EXTENDED_IDS;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP2200:
+               ha->device_type |= DT_ISP2200;
+               ha->device_type &= ~DT_EXTENDED_IDS;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP2300:
+               ha->device_type |= DT_ISP2300;
+               ha->device_type |= DT_ZIO_SUPPORTED;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP2312:
+               ha->device_type |= DT_ISP2312;
+               ha->device_type |= DT_ZIO_SUPPORTED;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP2322:
+               ha->device_type |= DT_ISP2322;
+               ha->device_type |= DT_ZIO_SUPPORTED;
+               if (ha->pdev->subsystem_vendor == 0x1028 &&
+                   ha->pdev->subsystem_device == 0x0170)
+                       ha->device_type |= DT_OEM_001;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP6312:
+               ha->device_type |= DT_ISP6312;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP6322:
+               ha->device_type |= DT_ISP6322;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP2422:
+               ha->device_type |= DT_ISP2422;
+               ha->device_type |= DT_ZIO_SUPPORTED;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP2432:
+               ha->device_type |= DT_ISP2432;
+               ha->device_type |= DT_ZIO_SUPPORTED;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP5422:
+               ha->device_type |= DT_ISP5422;
+               break;
+       case PCI_DEVICE_ID_QLOGIC_ISP5432:
+               ha->device_type |= DT_ISP5432;
+               break;
+       }
+}
+
 static int
 qla2x00_iospace_config(scsi_qla_host_t *ha)
 {
@@ -1307,7 +1358,8 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
        ha->brd_info = brd_info;
        sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no);
 
-       ha->dpc_pid = -1;
+       /* Set ISP-type information. */
+       qla2x00_set_isp_flags(ha);
 
        /* Configure PCI I/O space */
        ret = qla2x00_iospace_config(ha);
@@ -1386,7 +1438,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
                ha->gid_list_info_size = 6;
                if (IS_QLA2322(ha) || IS_QLA6322(ha))
                        ha->optrom_size = OPTROM_SIZE_2322;
-       } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
+       } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
                host->max_id = MAX_TARGETS_2200;
                ha->mbx_count = MAILBOX_REGISTER_COUNT;
                ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
@@ -1449,9 +1501,6 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
         */
        spin_lock_init(&ha->mbx_reg_lock);
 
-       init_completion(&ha->dpc_inited);
-       init_completion(&ha->dpc_exited);
-
        qla2x00_config_dma_addressing(ha);
        if (qla2x00_mem_alloc(ha)) {
                qla_printk(KERN_WARNING, ha,
@@ -1478,16 +1527,14 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
        /*
         * Startup the kernel thread for this host adapter
         */
-       ha->dpc_should_die = 0;
-       ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0);
-       if (ha->dpc_pid < 0) {
+       ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
+                       "%s_dpc", ha->host_str);
+       if (IS_ERR(ha->dpc_thread)) {
                qla_printk(KERN_WARNING, ha,
                    "Unable to start DPC thread!\n");
-
-               ret = -ENODEV;
+               ret = PTR_ERR(ha->dpc_thread);
                goto probe_failed;
        }
-       wait_for_completion(&ha->dpc_inited);
 
        host->this_id = 255;
        host->cmd_per_lun = 3;
@@ -1517,7 +1564,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
 
        spin_lock_irqsave(&ha->hardware_lock, flags);
        reg = ha->iobase;
-       if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
+       if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
                WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
                WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
        } else {
@@ -1621,8 +1668,6 @@ EXPORT_SYMBOL_GPL(qla2x00_remove_one);
 static void
 qla2x00_free_device(scsi_qla_host_t *ha)
 {
-       int ret;
-
        /* Abort any outstanding IO descriptors. */
        if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
                qla2x00_cancel_io_descriptors(ha);
@@ -1632,18 +1677,15 @@ qla2x00_free_device(scsi_qla_host_t *ha)
                qla2x00_stop_timer(ha);
 
        /* Kill the kernel thread for this host */
-       if (ha->dpc_pid >= 0) {
-               ha->dpc_should_die = 1;
-               wmb();
-               ret = kill_proc(ha->dpc_pid, SIGHUP, 1);
-               if (ret) {
-                       qla_printk(KERN_ERR, ha,
-                           "Unable to signal DPC thread -- (%d)\n", ret);
+       if (ha->dpc_thread) {
+               struct task_struct *t = ha->dpc_thread;
 
-                       /* TODO: SOMETHING MORE??? */
-               } else {
-                       wait_for_completion(&ha->dpc_exited);
-               }
+               /*
+                * qla2xxx_wake_dpc checks for ->dpc_thread
+                * so we need to zero it out.
+                */
+               ha->dpc_thread = NULL;
+               kthread_stop(t);
        }
 
        /* Stop currently executing firmware. */
@@ -1775,8 +1817,8 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
                atomic_set(&fcport->state, FCS_DEVICE_LOST);
        }
 
-       if (defer && ha->dpc_wait && !ha->dpc_active)
-               up(ha->dpc_wait);
+       if (defer)
+               qla2xxx_wake_dpc(ha);
 }
 
 /*
@@ -1993,7 +2035,6 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
 {
        struct list_head        *fcpl, *fcptemp;
        fc_port_t       *fcport;
-       unsigned int    wtime;/* max wait time if mbx cmd is busy. */
 
        if (ha == NULL) {
                /* error */
@@ -2001,11 +2042,6 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
                return;
        }
 
-       /* Make sure all other threads are stopped. */
-       wtime = 60 * 1000;
-       while (ha->dpc_wait && wtime)
-               wtime = msleep_interruptible(wtime);
-
        /* free ioctl memory */
        qla2x00_free_ioctl_mem(ha);
 
@@ -2118,8 +2154,7 @@ qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
        int      rval;
 
        rval = QLA_SUCCESS;
-       ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
-           mempool_free_slab, srb_cachep);
+       ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
        if (ha->srb_mempool == NULL) {
                qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
                rval = QLA_FUNCTION_FAILED;
@@ -2156,7 +2191,6 @@ qla2x00_free_sp_pool( scsi_qla_host_t *ha)
 static int
 qla2x00_do_dpc(void *data)
 {
-       DECLARE_MUTEX_LOCKED(sem);
        scsi_qla_host_t *ha;
        fc_port_t       *fcport;
        uint8_t         status;
@@ -2164,32 +2198,19 @@ qla2x00_do_dpc(void *data)
 
        ha = (scsi_qla_host_t *)data;
 
-       lock_kernel();
-
-       daemonize("%s_dpc", ha->host_str);
-       allow_signal(SIGHUP);
-
-       ha->dpc_wait = &sem;
-
        set_user_nice(current, -20);
 
-       unlock_kernel();
-
-       complete(&ha->dpc_inited);
-
-       while (1) {
+       while (!kthread_should_stop()) {
                DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
 
-               if (down_interruptible(&sem))
-                       break;
-
-               if (ha->dpc_should_die)
-                       break;
+               set_current_state(TASK_INTERRUPTIBLE);
+               schedule();
+               __set_current_state(TASK_RUNNING);
 
                DEBUG3(printk("qla2x00: DPC handler waking up\n"));
 
                /* Initialization not yet finished. Don't do anything yet. */
-               if (!ha->flags.init_done || ha->dpc_active)
+               if (!ha->flags.init_done)
                        continue;
 
                DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
@@ -2273,7 +2294,7 @@ qla2x00_do_dpc(void *data)
                                        } else
                                                status =
                                                    qla2x00_local_device_login(
-                                                       ha, fcport->loop_id);
+                                                       ha, fcport);
 
                                        if (status == QLA_SUCCESS) {
                                                fcport->old_loop_id = fcport->loop_id;
@@ -2356,10 +2377,16 @@ qla2x00_do_dpc(void *data)
        /*
         * Make sure that nobody tries to wake us up again.
         */
-       ha->dpc_wait = NULL;
        ha->dpc_active = 0;
 
-       complete_and_exit(&ha->dpc_exited, 0);
+       return 0;
+}
+
+void
+qla2xxx_wake_dpc(scsi_qla_host_t *ha)
+{
+       if (ha->dpc_thread)
+               wake_up_process(ha->dpc_thread);
 }
 
 /*
@@ -2540,11 +2567,8 @@ qla2x00_timer(scsi_qla_host_t *ha)
            test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
            test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
            test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
-           test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
-           ha->dpc_wait && !ha->dpc_active) {
-
-               up(ha->dpc_wait);
-       }
+           test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
+               qla2xxx_wake_dpc(ha);
 
        qla2x00_restart_timer(ha, WATCH_INTERVAL);
 }
@@ -2576,13 +2600,12 @@ qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
 
 /* Firmware interface routines. */
 
-#define FW_BLOBS       6
+#define FW_BLOBS       5
 #define FW_ISP21XX     0
 #define FW_ISP22XX     1
 #define FW_ISP2300     2
 #define FW_ISP2322     3
-#define FW_ISP63XX     4
-#define FW_ISP24XX     5
+#define FW_ISP24XX     4
 
 static DECLARE_MUTEX(qla_fw_lock);
 
@@ -2591,7 +2614,6 @@ static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
        { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, },
        { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, },
        { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
-       { .name = "ql6312_fw.bin", .segs = { 0x800, 0 }, },
        { .name = "ql2400_fw.bin", },
 };
 
@@ -2605,13 +2627,11 @@ qla2x00_request_firmware(scsi_qla_host_t *ha)
                blob = &qla_fw_blobs[FW_ISP21XX];
        } else if (IS_QLA2200(ha)) {
                blob = &qla_fw_blobs[FW_ISP22XX];
-       } else if (IS_QLA2300(ha) || IS_QLA2312(ha)) {
+       } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
                blob = &qla_fw_blobs[FW_ISP2300];
-       } else if (IS_QLA2322(ha)) {
+       } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
                blob = &qla_fw_blobs[FW_ISP2322];
-       } else if (IS_QLA6312(ha) || IS_QLA6322(ha)) {
-               blob = &qla_fw_blobs[FW_ISP63XX];
-       } else if (IS_QLA24XX(ha)) {
+       } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
                blob = &qla_fw_blobs[FW_ISP24XX];
        }
 
@@ -2667,6 +2687,10 @@ static struct pci_device_id qla2xxx_pci_tbl[] = {
                PCI_ANY_ID, PCI_ANY_ID, },
        { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432,
                PCI_ANY_ID, PCI_ANY_ID, },
+       { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422,
+               PCI_ANY_ID, PCI_ANY_ID, },
+       { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432,
+               PCI_ANY_ID, PCI_ANY_ID, },
        { 0 },
 };
 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);