summaryrefslogtreecommitdiffstats
path: root/drivers/crypto/ixp4xx_crypto.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-05-17 15:48:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-05-17 15:48:05 -0700
commitcd208bcc7cb0acd851e25c951ec2a9c14b084eab (patch)
tree1abe6430d4944a034ad677db58817a3e4aa9bac5 /drivers/crypto/ixp4xx_crypto.c
parent86460103c412f9e11aeb7950cce64b9e51539d4d (diff)
parentacd246b7494c629aa617da49716409566cf52149 (diff)
downloadop-kernel-dev-cd208bcc7cb0acd851e25c951ec2a9c14b084eab.zip
op-kernel-dev-cd208bcc7cb0acd851e25c951ec2a9c14b084eab.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: padlock - Revert aes-all alias to aes crypto: api - Fix algorithm module auto-loading crypto: eseqiv - Fix IV generation for sync algorithms crypto: ixp4xx - check firmware for crypto support
Diffstat (limited to 'drivers/crypto/ixp4xx_crypto.c')
-rw-r--r--drivers/crypto/ixp4xx_crypto.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index f9f05d7..6c6656d 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -415,6 +415,7 @@ static void crypto_done_action(unsigned long arg)
static int init_ixp_crypto(void)
{
int ret = -ENODEV;
+ u32 msg[2] = { 0, 0 };
if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
@@ -426,9 +427,35 @@ static int init_ixp_crypto(void)
return ret;
if (!npe_running(npe_c)) {
- npe_load_firmware(npe_c, npe_name(npe_c), dev);
+ ret = npe_load_firmware(npe_c, npe_name(npe_c), dev);
+ if (ret) {
+ return ret;
+ }
+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
+ } else {
+ if (npe_send_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
+
+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+ goto npe_error;
}
+ switch ((msg[1]>>16) & 0xff) {
+ case 3:
+ printk(KERN_WARNING "Firmware of %s lacks AES support\n",
+ npe_name(npe_c));
+ support_aes = 0;
+ break;
+ case 4:
+ case 5:
+ support_aes = 1;
+ break;
+ default:
+ printk(KERN_ERR "Firmware of %s lacks crypto support\n",
+ npe_name(npe_c));
+ return -ENODEV;
+ }
/* buffer_pool will also be used to sometimes store the hmac,
* so assure it is large enough
*/
@@ -459,6 +486,10 @@ static int init_ixp_crypto(void)
qmgr_enable_irq(RECV_QID);
return 0;
+
+npe_error:
+ printk(KERN_ERR "%s not responding\n", npe_name(npe_c));
+ ret = -EIO;
err:
if (ctx_pool)
dma_pool_destroy(ctx_pool);
OpenPOWER on IntegriCloud