diff options
Diffstat (limited to 'drivers/dma/ioat/dma.c')
| -rw-r--r-- | drivers/dma/ioat/dma.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 8ad0ad861c86..a814b200299b 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -26,6 +26,18 @@ #include "../dmaengine.h" +int completion_timeout = 200; +module_param(completion_timeout, int, 0644); +MODULE_PARM_DESC(completion_timeout, + "set ioat completion timeout [msec] (default 200 [msec])"); +int idle_timeout = 2000; +module_param(idle_timeout, int, 0644); +MODULE_PARM_DESC(idle_timeout, + "set ioat idel timeout [msec] (default 2000 [msec])"); + +#define IDLE_TIMEOUT msecs_to_jiffies(idle_timeout) +#define COMPLETION_TIMEOUT msecs_to_jiffies(completion_timeout) + static char *chanerr_str[] = { "DMA Transfer Source Address Error", "DMA Transfer Destination Address Error", @@ -181,7 +193,7 @@ void ioat_issue_pending(struct dma_chan *c) /** * ioat_update_pending - log pending descriptors - * @ioat: ioat+ channel + * @ioat_chan: ioat+ channel * * Check if the number of unsubmitted descriptors has exceeded the * watermark. Called with prep_lock held @@ -445,7 +457,7 @@ ioat_alloc_ring(struct dma_chan *c, int order, gfp_t flags) /** * ioat_check_space_lock - verify space and grab ring producer lock - * @ioat: ioat,3 channel (ring) to operate on + * @ioat_chan: ioat,3 channel (ring) to operate on * @num_descs: allocation length */ int ioat_check_space_lock(struct ioatdma_chan *ioat_chan, int num_descs) @@ -573,7 +585,8 @@ desc_get_errstat(struct ioatdma_chan *ioat_chan, struct ioat_ring_ent *desc) /** * __cleanup - reclaim used descriptors - * @ioat: channel (ring) to clean + * @ioat_chan: channel (ring) to clean + * @phys_complete: zeroed (or not) completion address (from status) */ static void __cleanup(struct ioatdma_chan *ioat_chan, dma_addr_t phys_complete) { |