diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/sdma.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/sdma.c | 44 |
1 files changed, 19 insertions, 25 deletions
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c index 6781bcdb10b3..31c8f89b5fc8 100644 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ b/drivers/infiniband/hw/hfi1/sdma.c @@ -491,10 +491,10 @@ static void sdma_err_progress_check_schedule(struct sdma_engine *sde) } } -static void sdma_err_progress_check(unsigned long data) +static void sdma_err_progress_check(struct timer_list *t) { unsigned index; - struct sdma_engine *sde = (struct sdma_engine *)data; + struct sdma_engine *sde = from_timer(sde, t, err_progress_check_timer); dd_dev_err(sde->dd, "SDE progress check event\n"); for (index = 0; index < sde->dd->num_sdma; index++) { @@ -1392,6 +1392,13 @@ int sdma_init(struct hfi1_devdata *dd, u8 port) return ret; idle_cnt = ns_to_cclock(dd, idle_cnt); + if (idle_cnt) + dd->default_desc1 = + SDMA_DESC1_HEAD_TO_HOST_FLAG; + else + dd->default_desc1 = + SDMA_DESC1_INT_REQ_FLAG; + if (!sdma_desct_intr) sdma_desct_intr = SDMA_DESC_INTR; @@ -1436,13 +1443,6 @@ int sdma_init(struct hfi1_devdata *dd, u8 port) sde->tail_csr = get_kctxt_csr_addr(dd, this_idx, SD(TAIL)); - if (idle_cnt) - dd->default_desc1 = - SDMA_DESC1_HEAD_TO_HOST_FLAG; - else - dd->default_desc1 = - SDMA_DESC1_INT_REQ_FLAG; - tasklet_init(&sde->sdma_hw_clean_up_task, sdma_hw_clean_up_task, (unsigned long)sde); @@ -1453,8 +1453,8 @@ int sdma_init(struct hfi1_devdata *dd, u8 port) sde->progress_check_head = 0; - setup_timer(&sde->err_progress_check_timer, - sdma_err_progress_check, (unsigned long)sde); + timer_setup(&sde->err_progress_check_timer, + sdma_err_progress_check, 0); sde->descq = dma_zalloc_coherent( &dd->pcidev->dev, @@ -1465,13 +1465,8 @@ int sdma_init(struct hfi1_devdata *dd, u8 port) if (!sde->descq) goto bail; sde->tx_ring = - kcalloc(descq_cnt, sizeof(struct sdma_txreq *), - GFP_KERNEL); - if (!sde->tx_ring) - sde->tx_ring = - vzalloc( - sizeof(struct sdma_txreq *) * - descq_cnt); + kvzalloc_node(sizeof(struct sdma_txreq *) * descq_cnt, + GFP_KERNEL, dd->node); if (!sde->tx_ring) goto bail; } @@ -1725,7 +1720,7 @@ retry: swhead = sde->descq_head & sde->sdma_mask; /* this code is really bad for cache line trading */ - swtail = ACCESS_ONCE(sde->descq_tail) & sde->sdma_mask; + swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask; cnt = sde->descq_cnt; if (swhead < swtail) @@ -1872,7 +1867,7 @@ retry: if ((status & sde->idle_mask) && !idle_check_done) { u16 swtail; - swtail = ACCESS_ONCE(sde->descq_tail) & sde->sdma_mask; + swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask; if (swtail != hwhead) { hwhead = (u16)read_sde_csr(sde, SD(HEAD)); idle_check_done = 1; @@ -2144,7 +2139,6 @@ void sdma_dumpstate(struct sdma_engine *sde) static void dump_sdma_state(struct sdma_engine *sde) { - struct hw_sdma_desc *descq; struct hw_sdma_desc *descqp; u64 desc[2]; u64 addr; @@ -2155,7 +2149,6 @@ static void dump_sdma_state(struct sdma_engine *sde) head = sde->descq_head & sde->sdma_mask; tail = sde->descq_tail & sde->sdma_mask; cnt = sdma_descq_freecnt(sde); - descq = sde->descq; dd_dev_err(sde->dd, "SDMA (%u) descq_head: %u descq_tail: %u freecnt: %u FLE %d\n", @@ -2222,7 +2215,7 @@ void sdma_seqfile_dump_sde(struct seq_file *s, struct sdma_engine *sde) u16 len; head = sde->descq_head & sde->sdma_mask; - tail = ACCESS_ONCE(sde->descq_tail) & sde->sdma_mask; + tail = READ_ONCE(sde->descq_tail) & sde->sdma_mask; seq_printf(s, SDE_FMT, sde->this_idx, sde->cpu, sdma_state_name(sde->state.current_state), @@ -2593,7 +2586,7 @@ static void __sdma_process_event(struct sdma_engine *sde, * 7220, e.g. */ ss->go_s99_running = 1; - /* fall through and start dma engine */ + /* fall through -- and start dma engine */ case sdma_event_e10_go_hw_start: /* This reference means the state machine is started */ sdma_get(&sde->state); @@ -3016,6 +3009,7 @@ static void __sdma_process_event(struct sdma_engine *sde, case sdma_event_e60_hw_halted: need_progress = 1; sdma_err_progress_check_schedule(sde); + /* fall through */ case sdma_event_e90_sw_halted: /* * SW initiated halt does not perform engines @@ -3305,7 +3299,7 @@ int sdma_ahg_alloc(struct sdma_engine *sde) return -EINVAL; } while (1) { - nr = ffz(ACCESS_ONCE(sde->ahg_bits)); + nr = ffz(READ_ONCE(sde->ahg_bits)); if (nr > 31) { trace_hfi1_ahg_allocate(sde, -ENOSPC); return -ENOSPC; |