diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/aacraid/aacraid.h | 5 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/comminit.c | 154 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/linit.c | 147 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/rx.c | 1 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/sa.c | 1 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/src.c | 2 |
6 files changed, 232 insertions, 78 deletions
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 40fe65c91b41..62b099940345 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -547,6 +547,7 @@ struct adapter_ops int (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4); int (*adapter_check_health)(struct aac_dev *dev); int (*adapter_restart)(struct aac_dev *dev, int bled); + void (*adapter_start)(struct aac_dev *dev); /* Transport operations */ int (*adapter_ioremap)(struct aac_dev * dev, u32 size); irq_handler_t adapter_intr; @@ -1247,6 +1248,9 @@ struct aac_dev #define aac_adapter_restart(dev,bled) \ (dev)->a_ops.adapter_restart(dev,bled) +#define aac_adapter_start(dev) \ + ((dev)->a_ops.adapter_start(dev)) + #define aac_adapter_ioremap(dev, size) \ (dev)->a_ops.adapter_ioremap(dev, size) @@ -2127,6 +2131,7 @@ int aac_sa_init(struct aac_dev *dev); int aac_src_init(struct aac_dev *dev); int aac_srcv_init(struct aac_dev *dev); int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify); +void aac_define_int_mode(struct aac_dev *dev); unsigned int aac_response_normal(struct aac_queue * q); unsigned int aac_command_normal(struct aac_queue * q); unsigned int aac_intr_normal(struct aac_dev *dev, u32 Index, diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 45db84ad322f..45a0a044dfdb 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -43,8 +43,6 @@ #include "aacraid.h" -static void aac_define_int_mode(struct aac_dev *dev); - struct aac_common aac_config = { .irq_mod = 1 }; @@ -338,6 +336,82 @@ static int aac_comm_init(struct aac_dev * dev) return 0; } +void aac_define_int_mode(struct aac_dev *dev) +{ + int i, msi_count; + + msi_count = i = 0; + /* max. vectors from GET_COMM_PREFERRED_SETTINGS */ + if (dev->max_msix == 0 || + dev->pdev->device == PMC_DEVICE_S6 || + dev->sync_mode) { + dev->max_msix = 1; + dev->vector_cap = + dev->scsi_host_ptr->can_queue + + AAC_NUM_MGT_FIB; + return; + } + + /* Don't bother allocating more MSI-X vectors than cpus */ + msi_count = min(dev->max_msix, + (unsigned int)num_online_cpus()); + + dev->max_msix = msi_count; + + if (msi_count > AAC_MAX_MSIX) + msi_count = AAC_MAX_MSIX; + + for (i = 0; i < msi_count; i++) + dev->msixentry[i].entry = i; + + if (msi_count > 1 && + pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) { + i = pci_enable_msix(dev->pdev, + dev->msixentry, + msi_count); + /* Check how many MSIX vectors are allocated */ + if (i >= 0) { + dev->msi_enabled = 1; + if (i) { + msi_count = i; + if (pci_enable_msix(dev->pdev, + dev->msixentry, + msi_count)) { + dev->msi_enabled = 0; + printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n", + dev->name, dev->id, i); + } + } + } else { + dev->msi_enabled = 0; + printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n", + dev->name, dev->id, i); + } + } + + if (!dev->msi_enabled) { + msi_count = 1; + i = pci_enable_msi(dev->pdev); + + if (!i) { + dev->msi_enabled = 1; + dev->msi = 1; + } else { + printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n", + dev->name, dev->id, i); + } + } + + if (!dev->msi_enabled) + dev->max_msix = msi_count = 1; + else { + if (dev->max_msix > msi_count) + dev->max_msix = msi_count; + } + dev->vector_cap = + (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) / + msi_count; +} struct aac_dev *aac_init_adapter(struct aac_dev *dev) { u32 status[5]; @@ -508,79 +582,3 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) return dev; } -static void aac_define_int_mode(struct aac_dev *dev) -{ - - int i, msi_count; - - msi_count = i = 0; - /* max. vectors from GET_COMM_PREFERRED_SETTINGS */ - if (dev->max_msix == 0 || - dev->pdev->device == PMC_DEVICE_S6 || - dev->sync_mode) { - dev->max_msix = 1; - dev->vector_cap = - dev->scsi_host_ptr->can_queue + - AAC_NUM_MGT_FIB; - return; - } - - msi_count = min(dev->max_msix, - (unsigned int)num_online_cpus()); - - dev->max_msix = msi_count; - - if (msi_count > AAC_MAX_MSIX) - msi_count = AAC_MAX_MSIX; - - for (i = 0; i < msi_count; i++) - dev->msixentry[i].entry = i; - - if (msi_count > 1 && - pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) { - i = pci_enable_msix(dev->pdev, - dev->msixentry, - msi_count); - /* Check how many MSIX vectors are allocated */ - if (i >= 0) { - dev->msi_enabled = 1; - if (i) { - msi_count = i; - if (pci_enable_msix(dev->pdev, - dev->msixentry, - msi_count)) { - dev->msi_enabled = 0; - printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n", - dev->name, dev->id, i); - } - } - } else { - dev->msi_enabled = 0; - printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n", - dev->name, dev->id, i); - } - } - - if (!dev->msi_enabled) { - msi_count = 1; - i = pci_enable_msi(dev->pdev); - - if (!i) { - dev->msi_enabled = 1; - dev->msi = 1; - } else { - printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n", - dev->name, dev->id, i); - } - } - - if (!dev->msi_enabled) - dev->max_msix = msi_count = 1; - else { - if (dev->max_msix > msi_count) - dev->max_msix = msi_count; - } - dev->vector_cap = - (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) / - msi_count; -} diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 9eec02733c86..37375cf7d126 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -1317,6 +1317,149 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) return error; } +#if (defined(CONFIG_PM)) +void aac_release_resources(struct aac_dev *aac) +{ + int i; + + aac_adapter_disable_int(aac); + if (aac->pdev->device == PMC_DEVICE_S6 || + aac->pdev->device == PMC_DEVICE_S7 || + aac->pdev->device == PMC_DEVICE_S8 || + aac->pdev->device == PMC_DEVICE_S9) { + if (aac->max_msix > 1) { + for (i = 0; i < aac->max_msix; i++) + free_irq(aac->msixentry[i].vector, + &(aac->aac_msix[i])); + } else { + free_irq(aac->pdev->irq, &(aac->aac_msix[0])); + } + } else { + free_irq(aac->pdev->irq, aac); + } + if (aac->msi) + pci_disable_msi(aac->pdev); + else if (aac->max_msix > 1) + pci_disable_msix(aac->pdev); + +} + +static int aac_acquire_resources(struct aac_dev *dev) +{ + int i, j; + int instance = dev->id; + const char *name = dev->name; + unsigned long status; + /* + * First clear out all interrupts. Then enable the one's that we + * can handle. + */ + while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) + || status == 0xffffffff) + msleep(20); + + aac_adapter_disable_int(dev); + aac_adapter_enable_int(dev); + + + if ((dev->pdev->device == PMC_DEVICE_S7 || + dev->pdev->device == PMC_DEVICE_S8 || + dev->pdev->device == PMC_DEVICE_S9)) + aac_define_int_mode(dev); + + if (dev->msi_enabled) + aac_src_access_devreg(dev, AAC_ENABLE_MSIX); + + if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) { + for (i = 0; i < dev->max_msix; i++) { + dev->aac_msix[i].vector_no = i; + dev->aac_msix[i].dev = dev; + + if (request_irq(dev->msixentry[i].vector, + dev->a_ops.adapter_intr, + 0, "aacraid", &(dev->aac_msix[i]))) { + printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n", + name, instance, i); + for (j = 0 ; j < i ; j++) + free_irq(dev->msixentry[j].vector, + &(dev->aac_msix[j])); + pci_disable_msix(dev->pdev); + goto error_iounmap; + } + } + } else { + dev->aac_msix[0].vector_no = 0; + dev->aac_msix[0].dev = dev; + + if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, + IRQF_SHARED, "aacraid", + &(dev->aac_msix[0])) < 0) { + if (dev->msi) + pci_disable_msi(dev->pdev); + printk(KERN_ERR "%s%d: Interrupt unavailable.\n", + name, instance); + goto error_iounmap; + } + } + + aac_adapter_enable_int(dev); + + if (!dev->sync_mode) + aac_adapter_start(dev); + return 0; + +error_iounmap: + return -1; + +} +static int aac_suspend(struct pci_dev *pdev, pm_message_t state) +{ + + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct aac_dev *aac = (struct aac_dev *)shost->hostdata; + + scsi_block_requests(shost); + aac_send_shutdown(aac); + + aac_release_resources(aac); + + pci_set_drvdata(pdev, shost); + pci_save_state(pdev); + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +static int aac_resume(struct pci_dev *pdev) +{ + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct aac_dev *aac = (struct aac_dev *)shost->hostdata; + int r; + + pci_set_power_state(pdev, PCI_D0); + pci_enable_wake(pdev, PCI_D0, 0); + pci_restore_state(pdev); + r = pci_enable_device(pdev); + + if (r) + goto fail_device; + + pci_set_master(pdev); + if (aac_acquire_resources(aac)) + goto fail_device; + scsi_unblock_requests(shost); + + return 0; + +fail_device: + printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); + scsi_host_put(shost); + pci_disable_device(pdev); + return -ENODEV; +} +#endif + static void aac_shutdown(struct pci_dev *dev) { struct Scsi_Host *shost = pci_get_drvdata(dev); @@ -1356,6 +1499,10 @@ static struct pci_driver aac_pci_driver = { .id_table = aac_pci_tbl, .probe = aac_probe_one, .remove = aac_remove_one, +#if (defined(CONFIG_PM)) + .suspend = aac_suspend, + .resume = aac_resume, +#endif .shutdown = aac_shutdown, }; diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index 9570612b80ce..ac1638069335 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -623,6 +623,7 @@ int _aac_rx_init(struct aac_dev *dev) dev->a_ops.adapter_sync_cmd = rx_sync_cmd; dev->a_ops.adapter_check_health = aac_rx_check_health; dev->a_ops.adapter_restart = aac_rx_restart_adapter; + dev->a_ops.adapter_start = aac_rx_start_adapter; /* * First clear out all interrupts. Then enable the one's that we diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c index e66477c98240..869aea23c041 100644 --- a/drivers/scsi/aacraid/sa.c +++ b/drivers/scsi/aacraid/sa.c @@ -372,6 +372,7 @@ int aac_sa_init(struct aac_dev *dev) dev->a_ops.adapter_sync_cmd = sa_sync_cmd; dev->a_ops.adapter_check_health = aac_sa_check_health; dev->a_ops.adapter_restart = aac_sa_restart_adapter; + dev->a_ops.adapter_start = aac_sa_start_adapter; dev->a_ops.adapter_intr = aac_sa_intr; dev->a_ops.adapter_deliver = aac_rx_deliver_producer; dev->a_ops.adapter_ioremap = aac_sa_ioremap; diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c index e63cf9f22f36..b147341ac24d 100644 --- a/drivers/scsi/aacraid/src.c +++ b/drivers/scsi/aacraid/src.c @@ -726,6 +726,7 @@ int aac_src_init(struct aac_dev *dev) dev->a_ops.adapter_sync_cmd = src_sync_cmd; dev->a_ops.adapter_check_health = aac_src_check_health; dev->a_ops.adapter_restart = aac_src_restart_adapter; + dev->a_ops.adapter_start = aac_src_start_adapter; /* * First clear out all interrupts. Then enable the one's that we @@ -892,6 +893,7 @@ int aac_srcv_init(struct aac_dev *dev) dev->a_ops.adapter_sync_cmd = src_sync_cmd; dev->a_ops.adapter_check_health = aac_src_check_health; dev->a_ops.adapter_restart = aac_src_restart_adapter; + dev->a_ops.adapter_start = aac_src_start_adapter; /* * First clear out all interrupts. Then enable the one's that we |