p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ntb: add missing setup of translation window 

The perf tool is missing the setup of translation window. Adding call to
setup the translation window for backed memory.

Signed-off-by: John Kading <john.kading@gd-ms.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Dave Jiang 2016-03-07 15:57:25 -07:00 committed by Jon Mason
parent 84f766855f
commit ee5f750f1c
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/ntb/test/ntb_perf.c
View File

@ -425,6 +425,7 @@ static int perf_set_mw(struct perf_ctx *perf, resource_size_t size)
{ {
struct perf_mw *mw = &perf->mw; struct perf_mw *mw = &perf->mw;
size_t xlat_size, buf_size; size_t xlat_size, buf_size;
int rc;
if (!size) if (!size)
return -EINVAL; return -EINVAL;
@ -448,6 +449,13 @@ static int perf_set_mw(struct perf_ctx *perf, resource_size_t size)
mw->buf_size = 0; mw->buf_size = 0;
} }
rc = ntb_mw_set_trans(perf->ntb, 0, mw->dma_addr, mw->xlat_size);
if (rc) {
dev_err(&perf->ntb->dev, "Unable to set mw0 translation\n");
perf_free_mw(perf);
return -EIO;
}
return 0; return 0;
} }