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Diffstat (limited to 'drivers/ntb/test')
-rw-r--r--drivers/ntb/test/ntb_perf.c49
-rw-r--r--drivers/ntb/test/ntb_pingpong.c14
-rw-r--r--drivers/ntb/test/ntb_tool.c9
3 files changed, 39 insertions, 33 deletions
diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
index 972f6d984f6d..89df1350fefd 100644
--- a/drivers/ntb/test/ntb_perf.c
+++ b/drivers/ntb/test/ntb_perf.c
@@ -101,8 +101,8 @@ MODULE_DESCRIPTION("PCIe NTB Performance Measurement Tool");
#define DMA_MDELAY 10
#define MSG_TRIES 1000
-#define MSG_UDELAY_LOW 1000
-#define MSG_UDELAY_HIGH 2000
+#define MSG_UDELAY_LOW 1000000
+#define MSG_UDELAY_HIGH 2000000
#define PERF_BUF_LEN 1024
@@ -159,6 +159,8 @@ struct perf_peer {
/* NTB connection setup service */
struct work_struct service;
unsigned long sts;
+
+ struct completion init_comp;
};
#define to_peer_service(__work) \
container_of(__work, struct perf_peer, service)
@@ -547,6 +549,7 @@ static int perf_setup_outbuf(struct perf_peer *peer)
/* Initialization is finally done */
set_bit(PERF_STS_DONE, &peer->sts);
+ complete_all(&peer->init_comp);
return 0;
}
@@ -557,7 +560,7 @@ static void perf_free_inbuf(struct perf_peer *peer)
return;
(void)ntb_mw_clear_trans(peer->perf->ntb, peer->pidx, peer->gidx);
- dma_free_coherent(&peer->perf->ntb->dev, peer->inbuf_size,
+ dma_free_coherent(&peer->perf->ntb->pdev->dev, peer->inbuf_size,
peer->inbuf, peer->inbuf_xlat);
peer->inbuf = NULL;
}
@@ -586,8 +589,9 @@ static int perf_setup_inbuf(struct perf_peer *peer)
perf_free_inbuf(peer);
- peer->inbuf = dma_alloc_coherent(&perf->ntb->dev, peer->inbuf_size,
- &peer->inbuf_xlat, GFP_KERNEL);
+ peer->inbuf = dma_alloc_coherent(&perf->ntb->pdev->dev,
+ peer->inbuf_size, &peer->inbuf_xlat,
+ GFP_KERNEL);
if (!peer->inbuf) {
dev_err(&perf->ntb->dev, "Failed to alloc inbuf of %pa\n",
&peer->inbuf_size);
@@ -637,6 +641,7 @@ static void perf_service_work(struct work_struct *work)
perf_setup_outbuf(peer);
if (test_and_clear_bit(PERF_CMD_CLEAR, &peer->sts)) {
+ init_completion(&peer->init_comp);
clear_bit(PERF_STS_DONE, &peer->sts);
if (test_bit(0, &peer->perf->busy_flag) &&
peer == peer->perf->test_peer) {
@@ -653,7 +658,7 @@ static int perf_init_service(struct perf_ctx *perf)
{
u64 mask;
- if (ntb_peer_mw_count(perf->ntb) < perf->pcnt + 1) {
+ if (ntb_peer_mw_count(perf->ntb) < perf->pcnt) {
dev_err(&perf->ntb->dev, "Not enough memory windows\n");
return -EINVAL;
}
@@ -803,7 +808,7 @@ static int perf_copy_chunk(struct perf_thread *pthr,
dst_vaddr = dst;
dst_dma_addr = peer->dma_dst_addr + (dst_vaddr - vbase);
- unmap = dmaengine_get_unmap_data(dma_dev, 2, GFP_NOWAIT);
+ unmap = dmaengine_get_unmap_data(dma_dev, 1, GFP_NOWAIT);
if (!unmap)
return -ENOMEM;
@@ -816,15 +821,8 @@ static int perf_copy_chunk(struct perf_thread *pthr,
}
unmap->to_cnt = 1;
- unmap->addr[1] = dst_dma_addr;
- if (dma_mapping_error(dma_dev, unmap->addr[1])) {
- ret = -EIO;
- goto err_free_resource;
- }
- unmap->from_cnt = 1;
-
do {
- tx = dmaengine_prep_dma_memcpy(pthr->dma_chan, unmap->addr[1],
+ tx = dmaengine_prep_dma_memcpy(pthr->dma_chan, dst_dma_addr,
unmap->addr[0], len, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!tx)
msleep(DMA_MDELAY);
@@ -1010,8 +1008,8 @@ static void perf_clear_test(struct perf_thread *pthr)
pthr->perf->test_peer->dma_dst_addr,
pthr->perf->test_peer->outbuf_size,
DMA_FROM_DEVICE, 0);
- if (pthr->dma_chan)
- dma_release_channel(pthr->dma_chan);
+
+ dma_release_channel(pthr->dma_chan);
no_dma_notify:
atomic_dec(&perf->tsync);
@@ -1083,8 +1081,9 @@ static int perf_submit_test(struct perf_peer *peer)
struct perf_thread *pthr;
int tidx, ret;
- if (!test_bit(PERF_STS_DONE, &peer->sts))
- return -ENOLINK;
+ ret = wait_for_completion_interruptible(&peer->init_comp);
+ if (ret < 0)
+ return ret;
if (test_and_set_bit_lock(0, &perf->busy_flag))
return -EBUSY;
@@ -1455,10 +1454,21 @@ static int perf_init_peers(struct perf_ctx *perf)
peer->gidx = pidx;
}
INIT_WORK(&peer->service, perf_service_work);
+ init_completion(&peer->init_comp);
}
if (perf->gidx == -1)
perf->gidx = pidx;
+ /*
+ * Hardware with only two ports may not have unique port
+ * numbers. In this case, the gidxs should all be zero.
+ */
+ if (perf->pcnt == 1 && ntb_port_number(perf->ntb) == 0 &&
+ ntb_peer_port_number(perf->ntb, 0) == 0) {
+ perf->gidx = 0;
+ perf->peers[0].gidx = 0;
+ }
+
for (pidx = 0; pidx < perf->pcnt; pidx++) {
ret = perf_setup_peer_mw(&perf->peers[pidx]);
if (ret)
@@ -1554,4 +1564,3 @@ static void __exit perf_exit(void)
destroy_workqueue(perf_wq);
}
module_exit(perf_exit);
-
diff --git a/drivers/ntb/test/ntb_pingpong.c b/drivers/ntb/test/ntb_pingpong.c
index 04dd46647db3..2164e8492772 100644
--- a/drivers/ntb/test/ntb_pingpong.c
+++ b/drivers/ntb/test/ntb_pingpong.c
@@ -121,15 +121,14 @@ static int pp_find_next_peer(struct pp_ctx *pp)
link = ntb_link_is_up(pp->ntb, NULL, NULL);
/* Find next available peer */
- if (link & pp->nmask) {
+ if (link & pp->nmask)
pidx = __ffs64(link & pp->nmask);
- out_db = BIT_ULL(pidx + 1);
- } else if (link & pp->pmask) {
+ else if (link & pp->pmask)
pidx = __ffs64(link & pp->pmask);
- out_db = BIT_ULL(pidx);
- } else {
+ else
return -ENODEV;
- }
+
+ out_db = BIT_ULL(ntb_peer_port_number(pp->ntb, pidx));
spin_lock(&pp->lock);
pp->out_pidx = pidx;
@@ -303,7 +302,7 @@ static void pp_init_flds(struct pp_ctx *pp)
break;
}
- pp->in_db = BIT_ULL(pidx);
+ pp->in_db = BIT_ULL(lport);
pp->pmask = GENMASK_ULL(pidx, 0) >> 1;
pp->nmask = GENMASK_ULL(pcnt - 1, pidx);
@@ -432,4 +431,3 @@ static void __exit pp_exit(void)
debugfs_remove_recursive(pp_dbgfs_topdir);
}
module_exit(pp_exit);
-
diff --git a/drivers/ntb/test/ntb_tool.c b/drivers/ntb/test/ntb_tool.c
index 69da758fe64c..b7bf3f863d79 100644
--- a/drivers/ntb/test/ntb_tool.c
+++ b/drivers/ntb/test/ntb_tool.c
@@ -504,7 +504,7 @@ static ssize_t tool_peer_link_read(struct file *filep, char __user *ubuf,
buf[1] = '\n';
buf[2] = '\0';
- return simple_read_from_buffer(ubuf, size, offp, buf, 3);
+ return simple_read_from_buffer(ubuf, size, offp, buf, 2);
}
static TOOL_FOPS_RDWR(tool_peer_link_fops,
@@ -590,7 +590,7 @@ static int tool_setup_mw(struct tool_ctx *tc, int pidx, int widx,
inmw->size = min_t(resource_size_t, req_size, size);
inmw->size = round_up(inmw->size, addr_align);
inmw->size = round_up(inmw->size, size_align);
- inmw->mm_base = dma_alloc_coherent(&tc->ntb->dev, inmw->size,
+ inmw->mm_base = dma_alloc_coherent(&tc->ntb->pdev->dev, inmw->size,
&inmw->dma_base, GFP_KERNEL);
if (!inmw->mm_base)
return -ENOMEM;
@@ -612,7 +612,7 @@ static int tool_setup_mw(struct tool_ctx *tc, int pidx, int widx,
return 0;
err_free_dma:
- dma_free_coherent(&tc->ntb->dev, inmw->size, inmw->mm_base,
+ dma_free_coherent(&tc->ntb->pdev->dev, inmw->size, inmw->mm_base,
inmw->dma_base);
inmw->mm_base = NULL;
inmw->dma_base = 0;
@@ -629,7 +629,7 @@ static void tool_free_mw(struct tool_ctx *tc, int pidx, int widx)
if (inmw->mm_base != NULL) {
ntb_mw_clear_trans(tc->ntb, pidx, widx);
- dma_free_coherent(&tc->ntb->dev, inmw->size,
+ dma_free_coherent(&tc->ntb->pdev->dev, inmw->size,
inmw->mm_base, inmw->dma_base);
}
@@ -1690,4 +1690,3 @@ static void __exit tool_exit(void)
debugfs_remove_recursive(tool_dbgfs_topdir);
}
module_exit(tool_exit);
-
generated by cgit (git 2.34.1) at 2025-06-01 20:56:55 +0000