diff options
Diffstat (limited to 'drivers/dma/ioat')
-rw-r--r-- | drivers/dma/ioat/dca.c | 32 | ||||
-rw-r--r-- | drivers/dma/ioat/dma.c | 12 | ||||
-rw-r--r-- | drivers/dma/ioat/dma.h | 13 | ||||
-rw-r--r-- | drivers/dma/ioat/dma_v2.c | 2 | ||||
-rw-r--r-- | drivers/dma/ioat/dma_v2.h | 8 | ||||
-rw-r--r-- | drivers/dma/ioat/dma_v3.c | 8 | ||||
-rw-r--r-- | drivers/dma/ioat/pci.c | 11 |
7 files changed, 52 insertions, 34 deletions
diff --git a/drivers/dma/ioat/dca.c b/drivers/dma/ioat/dca.c index abd9038e06b..9b041858d10 100644 --- a/drivers/dma/ioat/dca.c +++ b/drivers/dma/ioat/dca.c @@ -242,8 +242,7 @@ static struct dca_ops ioat_dca_ops = { }; -struct dca_provider * __devinit -ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase) +struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase) { struct dca_provider *dca; struct ioat_dca_priv *ioatdca; @@ -408,8 +407,7 @@ static int ioat2_dca_count_dca_slots(void __iomem *iobase, u16 dca_offset) return slots; } -struct dca_provider * __devinit -ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase) +struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase) { struct dca_provider *dca; struct ioat_dca_priv *ioatdca; @@ -604,8 +602,24 @@ static int ioat3_dca_count_dca_slots(void *iobase, u16 dca_offset) return slots; } -struct dca_provider * __devinit -ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase) +static inline int dca3_tag_map_invalid(u8 *tag_map) +{ + /* + * If the tag map is not programmed by the BIOS the default is: + * 0x80 0x80 0x80 0x80 0x80 0x00 0x00 0x00 + * + * This an invalid map and will result in only 2 possible tags + * 0x1F and 0x00. 0x00 is an invalid DCA tag so we know that + * this entire definition is invalid. + */ + return ((tag_map[0] == DCA_TAG_MAP_VALID) && + (tag_map[1] == DCA_TAG_MAP_VALID) && + (tag_map[2] == DCA_TAG_MAP_VALID) && + (tag_map[3] == DCA_TAG_MAP_VALID) && + (tag_map[4] == DCA_TAG_MAP_VALID)); +} + +struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase) { struct dca_provider *dca; struct ioat_dca_priv *ioatdca; @@ -674,6 +688,12 @@ ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase) ioatdca->tag_map[i] = bit & DCA_TAG_MAP_MASK; } + if (dca3_tag_map_invalid(ioatdca->tag_map)) { + dev_err(&pdev->dev, "APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n"); + free_dca_provider(dca); + return NULL; + } + err = register_dca_provider(dca, &pdev->dev); if (err) { free_dca_provider(dca); diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 73b2b65cb1d..1a68a8ba87e 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -782,7 +782,7 @@ static void ioat1_dma_start_null_desc(struct ioat_dma_chan *ioat) */ #define IOAT_TEST_SIZE 2000 -static void __devinit ioat_dma_test_callback(void *dma_async_param) +static void ioat_dma_test_callback(void *dma_async_param) { struct completion *cmp = dma_async_param; @@ -793,7 +793,7 @@ static void __devinit ioat_dma_test_callback(void *dma_async_param) * ioat_dma_self_test - Perform a IOAT transaction to verify the HW works. * @device: device to be tested */ -int __devinit ioat_dma_self_test(struct ioatdma_device *device) +int ioat_dma_self_test(struct ioatdma_device *device) { int i; u8 *src; @@ -994,7 +994,7 @@ static void ioat_disable_interrupts(struct ioatdma_device *device) writeb(0, device->reg_base + IOAT_INTRCTRL_OFFSET); } -int __devinit ioat_probe(struct ioatdma_device *device) +int ioat_probe(struct ioatdma_device *device) { int err = -ENODEV; struct dma_device *dma = &device->common; @@ -1049,7 +1049,7 @@ err_dma_pool: return err; } -int __devinit ioat_register(struct ioatdma_device *device) +int ioat_register(struct ioatdma_device *device) { int err = dma_async_device_register(&device->common); @@ -1183,7 +1183,7 @@ void ioat_kobject_del(struct ioatdma_device *device) } } -int __devinit ioat1_dma_probe(struct ioatdma_device *device, int dca) +int ioat1_dma_probe(struct ioatdma_device *device, int dca) { struct pci_dev *pdev = device->pdev; struct dma_device *dma; @@ -1216,7 +1216,7 @@ int __devinit ioat1_dma_probe(struct ioatdma_device *device, int dca) return err; } -void __devexit ioat_dma_remove(struct ioatdma_device *device) +void ioat_dma_remove(struct ioatdma_device *device) { struct dma_device *dma = &device->common; diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index 5e8fe01ba69..087935f1565 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -303,13 +303,12 @@ static inline void ioat_unmap(struct pci_dev *pdev, dma_addr_t addr, size_t len, pci_unmap_page(pdev, addr, len, direction); } -int __devinit ioat_probe(struct ioatdma_device *device); -int __devinit ioat_register(struct ioatdma_device *device); -int __devinit ioat1_dma_probe(struct ioatdma_device *dev, int dca); -int __devinit ioat_dma_self_test(struct ioatdma_device *device); -void __devexit ioat_dma_remove(struct ioatdma_device *device); -struct dca_provider * __devinit ioat_dca_init(struct pci_dev *pdev, - void __iomem *iobase); +int ioat_probe(struct ioatdma_device *device); +int ioat_register(struct ioatdma_device *device); +int ioat1_dma_probe(struct ioatdma_device *dev, int dca); +int ioat_dma_self_test(struct ioatdma_device *device); +void ioat_dma_remove(struct ioatdma_device *device); +struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase); dma_addr_t ioat_get_current_completion(struct ioat_chan_common *chan); void ioat_init_channel(struct ioatdma_device *device, struct ioat_chan_common *chan, int idx); diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c index b9d66785144..82d4e306c32 100644 --- a/drivers/dma/ioat/dma_v2.c +++ b/drivers/dma/ioat/dma_v2.c @@ -862,7 +862,7 @@ struct kobj_type ioat2_ktype = { .default_attrs = ioat2_attrs, }; -int __devinit ioat2_dma_probe(struct ioatdma_device *device, int dca) +int ioat2_dma_probe(struct ioatdma_device *device, int dca) { struct pci_dev *pdev = device->pdev; struct dma_device *dma; diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h index be2a55b95c2..e100f644e34 100644 --- a/drivers/dma/ioat/dma_v2.h +++ b/drivers/dma/ioat/dma_v2.h @@ -155,10 +155,10 @@ static inline void ioat2_set_chainaddr(struct ioat2_dma_chan *ioat, u64 addr) chan->reg_base + IOAT2_CHAINADDR_OFFSET_HIGH); } -int __devinit ioat2_dma_probe(struct ioatdma_device *dev, int dca); -int __devinit ioat3_dma_probe(struct ioatdma_device *dev, int dca); -struct dca_provider * __devinit ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase); -struct dca_provider * __devinit ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase); +int ioat2_dma_probe(struct ioatdma_device *dev, int dca); +int ioat3_dma_probe(struct ioatdma_device *dev, int dca); +struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase); +struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase); int ioat2_check_space_lock(struct ioat2_dma_chan *ioat, int num_descs); int ioat2_enumerate_channels(struct ioatdma_device *device); struct dma_async_tx_descriptor * diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index f7f1dc62c15..e5fc944de1f 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -836,7 +836,7 @@ ioat3_prep_interrupt_lock(struct dma_chan *c, unsigned long flags) return &desc->txd; } -static void __devinit ioat3_dma_test_callback(void *dma_async_param) +static void ioat3_dma_test_callback(void *dma_async_param) { struct completion *cmp = dma_async_param; @@ -844,7 +844,7 @@ static void __devinit ioat3_dma_test_callback(void *dma_async_param) } #define IOAT_NUM_SRC_TEST 6 /* must be <= 8 */ -static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device) +static int ioat_xor_val_self_test(struct ioatdma_device *device) { int i, src_idx; struct page *dest; @@ -1096,7 +1096,7 @@ out: return err; } -static int __devinit ioat3_dma_self_test(struct ioatdma_device *device) +static int ioat3_dma_self_test(struct ioatdma_device *device) { int rc = ioat_dma_self_test(device); @@ -1187,7 +1187,7 @@ static bool is_snb_ioat(struct pci_dev *pdev) } } -int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca) +int ioat3_dma_probe(struct ioatdma_device *device, int dca) { struct pci_dev *pdev = device->pdev; int dca_en = system_has_dca_enabled(pdev); diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c index c0573061b45..4f686c527ab 100644 --- a/drivers/dma/ioat/pci.c +++ b/drivers/dma/ioat/pci.c @@ -109,9 +109,8 @@ static struct pci_device_id ioat_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, ioat_pci_tbl); -static int __devinit ioat_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *id); -static void __devexit ioat_remove(struct pci_dev *pdev); +static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id); +static void ioat_remove(struct pci_dev *pdev); static int ioat_dca_enabled = 1; module_param(ioat_dca_enabled, int, 0644); @@ -125,7 +124,7 @@ static struct pci_driver ioat_pci_driver = { .name = DRV_NAME, .id_table = ioat_pci_tbl, .probe = ioat_pci_probe, - .remove = __devexit_p(ioat_remove), + .remove = ioat_remove, }; static struct ioatdma_device * @@ -141,7 +140,7 @@ alloc_ioatdma(struct pci_dev *pdev, void __iomem *iobase) return d; } -static int __devinit ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) +static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { void __iomem * const *iomap; struct device *dev = &pdev->dev; @@ -195,7 +194,7 @@ static int __devinit ioat_pci_probe(struct pci_dev *pdev, const struct pci_devic return 0; } -static void __devexit ioat_remove(struct pci_dev *pdev) +static void ioat_remove(struct pci_dev *pdev) { struct ioatdma_device *device = pci_get_drvdata(pdev); |