diff options
Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcica.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_pcica.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c index 09e934b295a..7a743f4c646 100644 --- a/drivers/s390/crypto/zcrypt_pcica.c +++ b/drivers/s390/crypto/zcrypt_pcica.c @@ -1,9 +1,7 @@ /* - * linux/drivers/s390/crypto/zcrypt_pcica.c - * * zcrypt 2.1.0 * - * Copyright (C) 2001, 2006 IBM Corporation + * Copyright IBM Corp. 2001, 2006 * Author(s): Robert Burroughs * Eric Rossman (edrossma@us.ibm.com) * @@ -26,11 +24,14 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define KMSG_COMPONENT "zcrypt" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include <linux/module.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/err.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/uaccess.h> #include "ap_bus.h" @@ -53,13 +54,11 @@ static struct ap_device_id zcrypt_pcica_ids[] = { { /* end of list */ }, }; -#ifndef CONFIG_ZCRYPT_MONOLITHIC MODULE_DEVICE_TABLE(ap, zcrypt_pcica_ids); MODULE_AUTHOR("IBM Corporation"); MODULE_DESCRIPTION("PCICA Cryptographic Coprocessor device driver, " - "Copyright 2001, 2006 IBM Corporation"); + "Copyright IBM Corp. 2001, 2006"); MODULE_LICENSE("GPL"); -#endif static int zcrypt_pcica_probe(struct ap_device *ap_dev); static void zcrypt_pcica_remove(struct ap_device *ap_dev); @@ -69,7 +68,6 @@ static void zcrypt_pcica_receive(struct ap_device *, struct ap_message *, static struct ap_driver zcrypt_pcica_driver = { .probe = zcrypt_pcica_probe, .remove = zcrypt_pcica_remove, - .receive = zcrypt_pcica_receive, .ids = zcrypt_pcica_ids, .request_timeout = PCICA_CLEANUP_TIME, }; @@ -204,6 +202,10 @@ static int convert_type84(struct zcrypt_device *zdev, if (t84h->len < sizeof(*t84h) + outputdatalength) { /* The result is too short, the PCICA card may not do that.. */ zdev->online = 0; + pr_err("Cryptographic device %x failed and was set offline\n", + zdev->ap_dev->qid); + ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d", + zdev->ap_dev->qid, zdev->online, t84h->code); return -EAGAIN; /* repeat the request on a different device. */ } BUG_ON(t84h->len > PCICA_MAX_RESPONSE_SIZE); @@ -228,6 +230,10 @@ static int convert_response(struct zcrypt_device *zdev, outputdata, outputdatalength); default: /* Unknown response type, this should NEVER EVER happen */ zdev->online = 0; + pr_err("Cryptographic device %x failed and was set offline\n", + zdev->ap_dev->qid); + ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail", + zdev->ap_dev->qid, zdev->online); return -EAGAIN; /* repeat the request on a different device. */ } } @@ -286,6 +292,7 @@ static long zcrypt_pcica_modexpo(struct zcrypt_device *zdev, ap_msg.message = kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL); if (!ap_msg.message) return -ENOMEM; + ap_msg.receive = zcrypt_pcica_receive; ap_msg.psmid = (((unsigned long long) current->pid) << 32) + atomic_inc_return(&zcrypt_step); ap_msg.private = &work; @@ -324,6 +331,7 @@ static long zcrypt_pcica_modexpo_crt(struct zcrypt_device *zdev, ap_msg.message = kmalloc(PCICA_MAX_MESSAGE_SIZE, GFP_KERNEL); if (!ap_msg.message) return -ENOMEM; + ap_msg.receive = zcrypt_pcica_receive; ap_msg.psmid = (((unsigned long long) current->pid) << 32) + atomic_inc_return(&zcrypt_step); ap_msg.private = &work; @@ -373,6 +381,7 @@ static int zcrypt_pcica_probe(struct ap_device *ap_dev) zdev->min_mod_size = PCICA_MIN_MOD_SIZE; zdev->max_mod_size = PCICA_MAX_MOD_SIZE; zdev->speed_rating = PCICA_SPEED_RATING; + zdev->max_exp_bit_length = PCICA_MAX_MOD_SIZE; ap_dev->reply = &zdev->reply; ap_dev->private = zdev; rc = zcrypt_device_register(zdev); @@ -407,7 +416,5 @@ void zcrypt_pcica_exit(void) ap_driver_unregister(&zcrypt_pcica_driver); } -#ifndef CONFIG_ZCRYPT_MONOLITHIC module_init(zcrypt_pcica_init); module_exit(zcrypt_pcica_exit); -#endif |