leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[HIFN]: Have HW invalidate src and dest descriptors after processing

Browse Source 
The descriptors need to be invalidated after processing for ring
cleanup to work properly and to avoid using an old destination
descriptor when the src and cmd descriptors are already set up
and the dst descriptor isn't.
    
Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Patrick McHardy 2008-05-07 22:37:29 +08:00 committed by Herbert Xu
parent 85e7e60b85
commit 692af5da77
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/crypto/hifn_795x.c
View File

@ -1297,7 +1297,7 @@ static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
dma->srcr[idx].p = __cpu_to_le32(addr);
dma->srcr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);
HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
if (++idx == HIFN_D_SRC_RSIZE) {
dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
@ -1325,7 +1325,7 @@ static void hifn_setup_res_desc(struct hifn_device *dev)
HIFN_D_VALID | HIFN_D_LAST);
/*
* dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |
* HIFN_D_LAST | HIFN_D_NOINVALID);
* HIFN_D_LAST);
*/
if (++dma->resi == HIFN_D_RES_RSIZE) {
@ -1354,12 +1354,12 @@ static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
idx = dma->dsti;
dma->dstr[idx].p = __cpu_to_le32(addr);
dma->dstr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);
HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
if (++idx == HIFN_D_DST_RSIZE) {
dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |
HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |
HIFN_D_LAST | HIFN_D_NOINVALID);
HIFN_D_LAST);
idx = 0;
}
dma->dsti = idx;