diff options
Diffstat (limited to 'drivers/dma/ioat/dma.h')
| -rw-r--r-- | drivers/dma/ioat/dma.h | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index 8966fa5453a..6a675a2a2d1 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -60,8 +60,12 @@ * @dca: direct cache access context * @intr_quirk: interrupt setup quirk (for ioat_v1 devices) * @enumerate_channels: hw version specific channel enumeration + * @cleanup_tasklet: select between the v2 and v3 cleanup routines + * @timer_fn: select between the v2 and v3 timer watchdog routines + * @self_test: hardware version specific self test for each supported op type + * + * Note: the v3 cleanup routine supports raid operations */ - struct ioatdma_device { struct pci_dev *pdev; void __iomem *reg_base; @@ -74,6 +78,9 @@ struct ioatdma_device { struct dca_provider *dca; void (*intr_quirk)(struct ioatdma_device *device); int (*enumerate_channels)(struct ioatdma_device *device); + void (*cleanup_tasklet)(unsigned long data); + void (*timer_fn)(unsigned long data); + int (*self_test)(struct ioatdma_device *device); }; struct ioat_chan_common { @@ -86,6 +93,7 @@ struct ioat_chan_common { #define IOAT_COMPLETION_PENDING 0 #define IOAT_COMPLETION_ACK 1 #define IOAT_RESET_PENDING 2 + #define IOAT_KOBJ_INIT_FAIL 3 struct timer_list timer; #define COMPLETION_TIMEOUT msecs_to_jiffies(100) #define IDLE_TIMEOUT msecs_to_jiffies(2000) @@ -94,8 +102,13 @@ struct ioat_chan_common { dma_addr_t completion_dma; u64 *completion; struct tasklet_struct cleanup_task; + struct kobject kobj; }; +struct ioat_sysfs_entry { + struct attribute attr; + ssize_t (*show)(struct dma_chan *, char *); +}; /** * struct ioat_dma_chan - internal representation of a DMA channel @@ -111,6 +124,7 @@ struct ioat_dma_chan { int pending; u16 desccount; + u16 active; }; static inline struct ioat_chan_common *to_chan_common(struct dma_chan *c) @@ -155,7 +169,7 @@ ioat_is_complete(struct dma_chan *c, dma_cookie_t cookie, /** * struct ioat_desc_sw - wrapper around hardware descriptor - * @hw: hardware DMA descriptor + * @hw: hardware DMA descriptor (for memcpy) * @node: this descriptor will either be on the free list, * or attached to a transaction list (tx_list) * @txd: the generic software descriptor for all engines @@ -288,9 +302,20 @@ static inline bool is_ioat_bug(unsigned long err) IOAT_CHANERR_LENGTH_ERR)); } +static inline void ioat_unmap(struct pci_dev *pdev, dma_addr_t addr, size_t len, + int direction, enum dma_ctrl_flags flags, bool dst) +{ + if ((dst && (flags & DMA_COMPL_DEST_UNMAP_SINGLE)) || + (!dst && (flags & DMA_COMPL_SRC_UNMAP_SINGLE))) + pci_unmap_single(pdev, addr, len, direction); + else + 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); @@ -304,4 +329,9 @@ void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags, size_t len, struct ioat_dma_descriptor *hw); bool ioat_cleanup_preamble(struct ioat_chan_common *chan, unsigned long *phys_complete); +void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type); +void ioat_kobject_del(struct ioatdma_device *device); +extern struct sysfs_ops ioat_sysfs_ops; +extern struct ioat_sysfs_entry ioat_version_attr; +extern struct ioat_sysfs_entry ioat_cap_attr; #endif /* IOATDMA_H */ |