diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib.h')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib.h | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h index 6b811e3..7e62f41 100644 --- a/drivers/infiniband/hw/qib/qib.h +++ b/drivers/infiniband/hw/qib/qib.h @@ -530,8 +530,6 @@ struct qib_pportdata { /* qib_lflags driver is waiting for */ u32 state_wanted; spinlock_t lflags_lock; - /* number of (port-specific) interrupts for this port -- saturates... */ - u32 int_counter; /* ref count for each pkey */ atomic_t pkeyrefs[4]; @@ -543,24 +541,26 @@ struct qib_pportdata { u64 *statusp; /* SendDMA related entries */ - spinlock_t sdma_lock; - struct qib_sdma_state sdma_state; - unsigned long sdma_buf_jiffies; + + /* read mostly */ struct qib_sdma_desc *sdma_descq; + struct qib_sdma_state sdma_state; + dma_addr_t sdma_descq_phys; + volatile __le64 *sdma_head_dma; /* DMA'ed by chip */ + dma_addr_t sdma_head_phys; + u16 sdma_descq_cnt; + + /* read/write using lock */ + spinlock_t sdma_lock ____cacheline_aligned_in_smp; + struct list_head sdma_activelist; u64 sdma_descq_added; u64 sdma_descq_removed; - u16 sdma_descq_cnt; u16 sdma_descq_tail; u16 sdma_descq_head; - u16 sdma_next_intr; - u16 sdma_reset_wait; u8 sdma_generation; - struct tasklet_struct sdma_sw_clean_up_task; - struct list_head sdma_activelist; - dma_addr_t sdma_descq_phys; - volatile __le64 *sdma_head_dma; /* DMA'ed by chip */ - dma_addr_t sdma_head_phys; + struct tasklet_struct sdma_sw_clean_up_task + ____cacheline_aligned_in_smp; wait_queue_head_t state_wait; /* for state_wanted */ @@ -873,7 +873,14 @@ struct qib_devdata { * pio_writing. */ spinlock_t pioavail_lock; - + /* + * index of last buffer to optimize search for next + */ + u32 last_pio; + /* + * min kernel pio buffer to optimize search + */ + u32 min_kernel_pio; /* * Shadow copies of registers; size indicates read access size. * Most of them are readonly, but some are write-only register, |