diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 10:47:24 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 10:47:24 -0800 |
commit | 2152f8536668a957ea3214735b4761e7b22ef7d8 (patch) | |
tree | 56723fc51445b1bc930c6400d4c00fd6fc831f88 /drivers/scsi/qla2xxx/qla_os.c | |
parent | 7cae7e26f245151b9ccad868bf2edf8c8048d307 (diff) | |
parent | 30afc84cf7325e88fb9746340eba3c161080ff49 (diff) | |
download | kernel_samsung_smdk4412-2152f8536668a957ea3214735b4761e7b22ef7d8.zip kernel_samsung_smdk4412-2152f8536668a957ea3214735b4761e7b22ef7d8.tar.gz kernel_samsung_smdk4412-2152f8536668a957ea3214735b4761e7b22ef7d8.tar.bz2 |
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (138 commits)
[SCSI] libata: implement minimal transport template for ->eh_timed_out
[SCSI] eliminate rphy allocation in favour of expander/end device allocation
[SCSI] convert mptsas over to end_device/expander allocations
[SCSI] allow displaying and setting of cache type via sysfs
[SCSI] add scsi_mode_select to scsi_lib.c
[SCSI] 3ware 9000 add big endian support
[SCSI] qla2xxx: update MAINTAINERS
[SCSI] scsi: move target_destroy call
[SCSI] fusion - bump version
[SCSI] fusion - expander hotplug suport in mptsas module
[SCSI] fusion - exposing raid components in mptsas
[SCSI] fusion - memory leak, and initializing fields
[SCSI] fusion - exclosure misspelled
[SCSI] fusion - cleanup mptsas event handling functions
[SCSI] fusion - removing target_id/bus_id from the VirtDevice structure
[SCSI] fusion - static fix's
[SCSI] fusion - move some debug firmware event debug msgs to verbose level
[SCSI] fusion - loginfo header update
[SCSI] add scsi_reprobe_device
[SCSI] megaraid_sas: fix extended timeout handling
...
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 165 |
1 files changed, 95 insertions, 70 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 9f91f1a..029bbf4 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -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(®->isp24.hccr, HCCRX_CLR_HOST_INT); WRT_REG_DWORD(®->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); @@ -2156,7 +2192,6 @@ 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 +2199,19 @@ 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 +2295,7 @@ 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 +2378,16 @@ 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 +2568,8 @@ 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 +2601,12 @@ 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 +2615,6 @@ 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 +2628,11 @@ 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 +2688,10 @@ 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); |