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authorJens Axboe <jens.axboe@oracle.com>2009-05-22 20:25:34 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-05-22 20:25:34 +0200
commite4b636366c00738b9609cda307014d71b1225b7f (patch)
tree760b67b3624eda62e943e48ce93635c30a5b47bf /drivers/crypto/ixp4xx_crypto.c
parentb9ed7252d219c1c663944bf03846eabb515dbe75 (diff)
parent279e677faa775ad16e75c32e1bf4a37f8158bc61 (diff)
Merge branch 'master' into for-2.6.31
Conflicts: drivers/block/hd.c drivers/block/mg_disk.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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 f9f05d7a707d..6c6656d3b1e2 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);