| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 237 | 32.78% | 14 | 51.85% | |
| 236 | 32.64% | 4 | 14.81% | |
| 152 | 21.02% | 2 | 7.41% | |
| 52 | 7.19% | 2 | 7.41% | |
| 31 | 4.29% | 2 | 7.41% | |
| 8 | 1.11% | 1 | 3.70% | |
| 6 | 0.83% | 1 | 3.70% | |
| 1 | 0.14% | 1 | 3.70% | |
| Total | 723 | 27 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Harald Freudenberger | 237 | 32.78% | 14 | 51.85% |
| Ingo Tuchscherer | 236 | 32.64% | 4 | 14.81% |
| Martin Schwidefsky | 152 | 21.02% | 2 | 7.41% |
| Holger Dengler | 52 | 7.19% | 2 | 7.41% |
| Ralph Wuerthner | 31 | 4.29% | 2 | 7.41% |
| Felix Beck | 8 | 1.11% | 1 | 3.70% |
| Sascha Silbe | 6 | 0.83% | 1 | 3.70% |
| Lucas De Marchi | 1 | 0.14% | 1 | 3.70% |
| Total | 723 | 27 |
/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright IBM Corp. 2001, 2019 * Author(s): Robert Burroughs * Eric Rossman (edrossma@us.ibm.com) * Cornelia Huck <cornelia.huck@de.ibm.com> * * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> */ #ifndef _ZCRYPT_API_H_ #define _ZCRYPT_API_H_ #include <linux/atomic.h> #include <asm/debug.h> #include <asm/zcrypt.h> #include "ap_bus.h" /** * Supported device types */ #define ZCRYPT_CEX2C 5 #define ZCRYPT_CEX2A 6 #define ZCRYPT_CEX3C 7 #define ZCRYPT_CEX3A 8 #define ZCRYPT_CEX4 10 #define ZCRYPT_CEX5 11 #define ZCRYPT_CEX6 12 #define ZCRYPT_CEX7 13 /** * Large random numbers are pulled in 4096 byte chunks from the crypto cards * and stored in a page. Be careful when increasing this buffer due to size * limitations for AP requests. */ #define ZCRYPT_RNG_BUFFER_SIZE 4096 /* * Identifier for Crypto Request Performance Index */ enum crypto_ops { MEX_1K, MEX_2K, MEX_4K, CRT_1K, CRT_2K, CRT_4K, HWRNG, SECKEY, NUM_OPS }; struct zcrypt_queue; /* struct to hold tracking information for a userspace request/response */ struct zcrypt_track { int again_counter; /* retry attempts counter */ int last_qid; /* last qid used */ int last_rc; /* last return code */ #ifdef CONFIG_ZCRYPT_DEBUG struct ap_fi fi; /* failure injection cmd */ #endif }; /* defines related to message tracking */ #define TRACK_AGAIN_MAX 10 #define TRACK_AGAIN_CARD_WEIGHT_PENALTY 1000 #define TRACK_AGAIN_QUEUE_WEIGHT_PENALTY 10000 struct zcrypt_ops { long (*rsa_modexpo)(struct zcrypt_queue *, struct ica_rsa_modexpo *, struct ap_message *); long (*rsa_modexpo_crt)(struct zcrypt_queue *, struct ica_rsa_modexpo_crt *, struct ap_message *); long (*send_cprb)(bool userspace, struct zcrypt_queue *, struct ica_xcRB *, struct ap_message *); long (*send_ep11_cprb)(bool userspace, struct zcrypt_queue *, struct ep11_urb *, struct ap_message *); long (*rng)(struct zcrypt_queue *, char *, struct ap_message *); struct list_head list; /* zcrypt ops list. */ struct module *owner; int variant; char name[128]; }; struct zcrypt_card { struct list_head list; /* Device list. */ struct list_head zqueues; /* List of zcrypt queues */ struct kref refcount; /* device refcounting */ struct ap_card *card; /* The "real" ap card device. */ int online; /* User online/offline */ int user_space_type; /* User space device id. */ char *type_string; /* User space device name. */ int min_mod_size; /* Min number of bits. */ int max_mod_size; /* Max number of bits. */ int max_exp_bit_length; const int *speed_rating; /* Speed idx of crypto ops. */ atomic_t load; /* Utilization of the crypto device */ int request_count; /* # current requests. */ }; struct zcrypt_queue { struct list_head list; /* Device list. */ struct kref refcount; /* device refcounting */ struct zcrypt_card *zcard; struct zcrypt_ops *ops; /* Crypto operations. */ struct ap_queue *queue; /* The "real" ap queue device. */ int online; /* User online/offline */ atomic_t load; /* Utilization of the crypto device */ int request_count; /* # current requests. */ struct ap_message reply; /* Per-device reply structure. */ }; /* transport layer rescanning */ extern atomic_t zcrypt_rescan_req; extern spinlock_t zcrypt_list_lock; extern struct list_head zcrypt_card_list; #define for_each_zcrypt_card(_zc) \ list_for_each_entry(_zc, &zcrypt_card_list, list) #define for_each_zcrypt_queue(_zq, _zc) \ list_for_each_entry(_zq, &(_zc)->zqueues, list) struct zcrypt_card *zcrypt_card_alloc(void); void zcrypt_card_free(struct zcrypt_card *); void zcrypt_card_get(struct zcrypt_card *); int zcrypt_card_put(struct zcrypt_card *); int zcrypt_card_register(struct zcrypt_card *); void zcrypt_card_unregister(struct zcrypt_card *); struct zcrypt_queue *zcrypt_queue_alloc(size_t); void zcrypt_queue_free(struct zcrypt_queue *); void zcrypt_queue_get(struct zcrypt_queue *); int zcrypt_queue_put(struct zcrypt_queue *); int zcrypt_queue_register(struct zcrypt_queue *); void zcrypt_queue_unregister(struct zcrypt_queue *); bool zcrypt_queue_force_online(struct zcrypt_queue *zq, int online); int zcrypt_rng_device_add(void); void zcrypt_rng_device_remove(void); void zcrypt_msgtype_register(struct zcrypt_ops *); void zcrypt_msgtype_unregister(struct zcrypt_ops *); struct zcrypt_ops *zcrypt_msgtype(unsigned char *, int); int zcrypt_api_init(void); void zcrypt_api_exit(void); long zcrypt_send_cprb(struct ica_xcRB *xcRB); long zcrypt_send_ep11_cprb(struct ep11_urb *urb); void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus); int zcrypt_device_status_ext(int card, int queue, struct zcrypt_device_status_ext *devstatus); int zcrypt_wait_api_operational(void); static inline unsigned long z_copy_from_user(bool userspace, void *to, const void __user *from, unsigned long n) { if (likely(userspace)) return copy_from_user(to, from, n); memcpy(to, (void __force *)from, n); return 0; } static inline unsigned long z_copy_to_user(bool userspace, void __user *to, const void *from, unsigned long n) { if (likely(userspace)) return copy_to_user(to, from, n); memcpy((void __force *)to, from, n); return 0; } #endif /* _ZCRYPT_API_H_ */