[mirror_ubuntu-bionic-kernel.git] / drivers / s390 / crypto / zcrypt_pcixcc.c

// SPDX-License-Identifier: GPL-2.0+
/*
 *  zcrypt 2.1.0
 *
 *  Copyright IBM Corp. 2001, 2012
 *  Author(s): Robert Burroughs
 *	       Eric Rossman (edrossma@us.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>
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/atomic.h>
#include <linux/uaccess.h>
#include <linux/mod_devicetable.h>

#include "ap_bus.h"
#include "zcrypt_api.h"
#include "zcrypt_error.h"
#include "zcrypt_msgtype6.h"
#include "zcrypt_pcixcc.h"
#include "zcrypt_cca_key.h"

#define PCIXCC_MIN_MOD_SIZE	 16	/*  128 bits	*/
#define PCIXCC_MIN_MOD_SIZE_OLD	 64	/*  512 bits	*/
#define PCIXCC_MAX_MOD_SIZE	256	/* 2048 bits	*/
#define CEX3C_MIN_MOD_SIZE	PCIXCC_MIN_MOD_SIZE
#define CEX3C_MAX_MOD_SIZE	512	/* 4096 bits	*/

#define PCIXCC_MAX_ICA_MESSAGE_SIZE 0x77c  /* max size type6 v2 crt message */
#define PCIXCC_MAX_ICA_RESPONSE_SIZE 0x77c /* max size type86 v2 reply	    */

#define PCIXCC_MAX_XCRB_MESSAGE_SIZE (12*1024)

#define PCIXCC_CLEANUP_TIME	(15*HZ)

#define CEIL4(x) ((((x)+3)/4)*4)

struct response_type {
	struct completion work;
	int type;
};
#define PCIXCC_RESPONSE_TYPE_ICA  0
#define PCIXCC_RESPONSE_TYPE_XCRB 1

MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("PCIXCC Cryptographic Coprocessor device driver, " \
		   "Copyright IBM Corp. 2001, 2012");
MODULE_LICENSE("GPL");

static struct ap_device_id zcrypt_pcixcc_card_ids[] = {
	{ .dev_type = AP_DEVICE_TYPE_PCIXCC,
	  .match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
	{ .dev_type = AP_DEVICE_TYPE_CEX2C,
	  .match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
	{ .dev_type = AP_DEVICE_TYPE_CEX3C,
	  .match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
	{ /* end of list */ },
};

MODULE_DEVICE_TABLE(ap, zcrypt_pcixcc_card_ids);

static struct ap_device_id zcrypt_pcixcc_queue_ids[] = {
	{ .dev_type = AP_DEVICE_TYPE_PCIXCC,
	  .match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
	{ .dev_type = AP_DEVICE_TYPE_CEX2C,
	  .match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
	{ .dev_type = AP_DEVICE_TYPE_CEX3C,
	  .match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
	{ /* end of list */ },
};

MODULE_DEVICE_TABLE(ap, zcrypt_pcixcc_queue_ids);

/**
 * Large random number detection function. Its sends a message to a pcixcc
 * card to find out if large random numbers are supported.
 * @ap_dev: pointer to the AP device.
 *
 * Returns 1 if large random numbers are supported, 0 if not and < 0 on error.
 */
static int zcrypt_pcixcc_rng_supported(struct ap_queue *aq)
{
	struct ap_message ap_msg;
	unsigned long long psmid;
	unsigned int domain;
	struct {
		struct type86_hdr hdr;
		struct type86_fmt2_ext fmt2;
		struct CPRBX cprbx;
	} __attribute__((packed)) *reply;
	struct {
		struct type6_hdr hdr;
		struct CPRBX cprbx;
		char function_code[2];
		short int rule_length;
		char rule[8];
		short int verb_length;
		short int key_length;
	} __packed * msg;
	int rc, i;

	ap_init_message(&ap_msg);
	ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
	if (!ap_msg.message)
		return -ENOMEM;

	rng_type6CPRB_msgX(&ap_msg, 4, &domain);

	msg = ap_msg.message;
	msg->cprbx.domain = AP_QID_QUEUE(aq->qid);

	rc = ap_send(aq->qid, 0x0102030405060708ULL, ap_msg.message,
		     ap_msg.length);
	if (rc)
		goto out_free;

	/* Wait for the test message to complete. */
	for (i = 0; i < 2 * HZ; i++) {
		msleep(1000 / HZ);
		rc = ap_recv(aq->qid, &psmid, ap_msg.message, 4096);
		if (rc == 0 && psmid == 0x0102030405060708ULL)
			break;
	}

	if (i >= 2 * HZ) {
		/* Got no answer. */
		rc = -ENODEV;
		goto out_free;
	}

	reply = ap_msg.message;
	if (reply->cprbx.ccp_rtcode == 0 && reply->cprbx.ccp_rscode == 0)
		rc = 1;
	else
		rc = 0;
out_free:
	free_page((unsigned long) ap_msg.message);
	return rc;
}

/**
 * Probe function for PCIXCC/CEX2C card devices. It always accepts the
 * AP device since the bus_match already checked the hardware type. The
 * PCIXCC cards come in two flavours: micro code level 2 and micro code
 * level 3. This is checked by sending a test message to the device.
 * @ap_dev: pointer to the AP card device.
 */
static int zcrypt_pcixcc_card_probe(struct ap_device *ap_dev)
{
	/*
	 * Normalized speed ratings per crypto adapter
	 * MEX_1k, MEX_2k, MEX_4k, CRT_1k, CRT_2k, CRT_4k, RNG, SECKEY
	 */
	static const int CEX2C_SPEED_IDX[] = {
		1000, 1400, 2400, 1100, 1500, 2600, 100, 12};
	static const int CEX3C_SPEED_IDX[] = {
		500,  700, 1400,  550,	800, 1500,  80, 10};

	struct ap_card *ac = to_ap_card(&ap_dev->device);
	struct zcrypt_card *zc;
	int rc = 0;

	zc = zcrypt_card_alloc();
	if (!zc)
		return -ENOMEM;
	zc->card = ac;
	ac->private = zc;
	switch (ac->ap_dev.device_type) {
	case AP_DEVICE_TYPE_CEX2C:
		zc->user_space_type = ZCRYPT_CEX2C;
		zc->type_string = "CEX2C";
		memcpy(zc->speed_rating, CEX2C_SPEED_IDX,
		       sizeof(CEX2C_SPEED_IDX));
		zc->min_mod_size = PCIXCC_MIN_MOD_SIZE;
		zc->max_mod_size = PCIXCC_MAX_MOD_SIZE;
		zc->max_exp_bit_length = PCIXCC_MAX_MOD_SIZE;
		break;
	case AP_DEVICE_TYPE_CEX3C:
		zc->user_space_type = ZCRYPT_CEX3C;
		zc->type_string = "CEX3C";
		memcpy(zc->speed_rating, CEX3C_SPEED_IDX,
		       sizeof(CEX3C_SPEED_IDX));
		zc->min_mod_size = CEX3C_MIN_MOD_SIZE;
		zc->max_mod_size = CEX3C_MAX_MOD_SIZE;
		zc->max_exp_bit_length = CEX3C_MAX_MOD_SIZE;
		break;
	default:
		zcrypt_card_free(zc);
		return -ENODEV;
	}
	zc->online = 1;

	rc = zcrypt_card_register(zc);
	if (rc) {
		ac->private = NULL;
		zcrypt_card_free(zc);
	}

	return rc;
}

/**
 * This is called to remove the PCIXCC/CEX2C card driver information
 * if an AP card device is removed.
 */
static void zcrypt_pcixcc_card_remove(struct ap_device *ap_dev)
{
	struct zcrypt_card *zc = to_ap_card(&ap_dev->device)->private;

	if (zc)
		zcrypt_card_unregister(zc);
}

static struct ap_driver zcrypt_pcixcc_card_driver = {
	.probe = zcrypt_pcixcc_card_probe,
	.remove = zcrypt_pcixcc_card_remove,
	.ids = zcrypt_pcixcc_card_ids,
};

/**
 * Probe function for PCIXCC/CEX2C queue devices. It always accepts the
 * AP device since the bus_match already checked the hardware type. The
 * PCIXCC cards come in two flavours: micro code level 2 and micro code
 * level 3. This is checked by sending a test message to the device.
 * @ap_dev: pointer to the AP card device.
 */
static int zcrypt_pcixcc_queue_probe(struct ap_device *ap_dev)
{
	struct ap_queue *aq = to_ap_queue(&ap_dev->device);
	struct zcrypt_queue *zq;
	int rc;

	zq = zcrypt_queue_alloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE);
	if (!zq)
		return -ENOMEM;
	zq->queue = aq;
	zq->online = 1;
	atomic_set(&zq->load, 0);
	rc = zcrypt_pcixcc_rng_supported(aq);
	if (rc < 0) {
		zcrypt_queue_free(zq);
		return rc;
	}
	if (rc)
		zq->ops = zcrypt_msgtype(MSGTYPE06_NAME,
					 MSGTYPE06_VARIANT_DEFAULT);
	else
		zq->ops = zcrypt_msgtype(MSGTYPE06_NAME,
					 MSGTYPE06_VARIANT_NORNG);
	ap_queue_init_reply(aq, &zq->reply);
	aq->request_timeout = PCIXCC_CLEANUP_TIME,
	aq->private = zq;
	rc = zcrypt_queue_register(zq);
	if (rc) {
		aq->private = NULL;
		zcrypt_queue_free(zq);
	}
	return rc;
}

/**
 * This is called to remove the PCIXCC/CEX2C queue driver information
 * if an AP queue device is removed.
 */
static void zcrypt_pcixcc_queue_remove(struct ap_device *ap_dev)
{
	struct ap_queue *aq = to_ap_queue(&ap_dev->device);
	struct zcrypt_queue *zq = aq->private;

	ap_queue_remove(aq);
	if (zq)
		zcrypt_queue_unregister(zq);
}

static struct ap_driver zcrypt_pcixcc_queue_driver = {
	.probe = zcrypt_pcixcc_queue_probe,
	.remove = zcrypt_pcixcc_queue_remove,
	.suspend = ap_queue_suspend,
	.resume = ap_queue_resume,
	.ids = zcrypt_pcixcc_queue_ids,
};

int __init zcrypt_pcixcc_init(void)
{
	int rc;

	rc = ap_driver_register(&zcrypt_pcixcc_card_driver,
				THIS_MODULE, "pcixcccard");
	if (rc)
		return rc;

	rc = ap_driver_register(&zcrypt_pcixcc_queue_driver,
				THIS_MODULE, "pcixccqueue");
	if (rc)
		ap_driver_unregister(&zcrypt_pcixcc_card_driver);

	return rc;
}

void zcrypt_pcixcc_exit(void)
{
	ap_driver_unregister(&zcrypt_pcixcc_queue_driver);
	ap_driver_unregister(&zcrypt_pcixcc_card_driver);
}

module_init(zcrypt_pcixcc_init);
module_exit(zcrypt_pcixcc_exit);
Commit	Line	Data
812141a9	1	// SPDX-License-Identifier: GPL-2.0+
6684af1a	2	/*
5432114b	3	* zcrypt 2.1.0
6684af1a	4	*
5e55a488	5	* Copyright IBM Corp. 2001, 2012
6684af1a MS	6	* Author(s): Robert Burroughs
	7	* Eric Rossman (edrossma@us.ibm.com)
	8	*
	9	* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
	10	* Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
	11	* Ralph Wuerthner <rwuerthn@de.ibm.com>
5e55a488	12	* MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com>
6684af1a MS	13	*/
	14
	15	#include <linux/module.h>
	16	#include <linux/init.h>
	17	#include <linux/err.h>
	18	#include <linux/delay.h>
5a0e3ad6	19	#include <linux/slab.h>
60063497	20	#include <linux/atomic.h>
7c0f6ba6	21	#include <linux/uaccess.h>
e28d2af4	22	#include <linux/mod_devicetable.h>
6684af1a MS	23
	24	#include "ap_bus.h"
	25	#include "zcrypt_api.h"
	26	#include "zcrypt_error.h"
5e55a488	27	#include "zcrypt_msgtype6.h"
6684af1a MS	28	#include "zcrypt_pcixcc.h"
	29	#include "zcrypt_cca_key.h"
	30
	31	#define PCIXCC_MIN_MOD_SIZE 16 /* 128 bits */
	32	#define PCIXCC_MIN_MOD_SIZE_OLD 64 /* 512 bits */
	33	#define PCIXCC_MAX_MOD_SIZE 256 /* 2048 bits */
8e89b6be	34	#define CEX3C_MIN_MOD_SIZE PCIXCC_MIN_MOD_SIZE
2ade1fab	35	#define CEX3C_MAX_MOD_SIZE 512 /* 4096 bits */
6684af1a	36
6684af1a MS	37	#define PCIXCC_MAX_ICA_MESSAGE_SIZE 0x77c /* max size type6 v2 crt message */
	38	#define PCIXCC_MAX_ICA_RESPONSE_SIZE 0x77c /* max size type86 v2 reply */
	39
	40	#define PCIXCC_MAX_XCRB_MESSAGE_SIZE (12*1024)
6684af1a MS	41
	42	#define PCIXCC_CLEANUP_TIME (15*HZ)
	43
5432114b RW	44	#define CEIL4(x) ((((x)+3)/4)*4)
	45
	46	struct response_type {
	47	struct completion work;
	48	int type;
	49	};
	50	#define PCIXCC_RESPONSE_TYPE_ICA 0
	51	#define PCIXCC_RESPONSE_TYPE_XCRB 1
	52
6684af1a	53	MODULE_AUTHOR("IBM Corporation");
5e55a488 HD	54	MODULE_DESCRIPTION("PCIXCC Cryptographic Coprocessor device driver, " \
5e55a488 HD	55	"Copyright IBM Corp. 2001, 2012");
6684af1a	56	MODULE_LICENSE("GPL");
6684af1a	57
e28d2af4 IT	58	static struct ap_device_id zcrypt_pcixcc_card_ids[] = {
	59	{ .dev_type = AP_DEVICE_TYPE_PCIXCC,
	60	.match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
	61	{ .dev_type = AP_DEVICE_TYPE_CEX2C,
	62	.match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
	63	{ .dev_type = AP_DEVICE_TYPE_CEX3C,
	64	.match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
	65	{ /* end of list */ },
6684af1a MS	66	};
6684af1a MS	67
e28d2af4	68	MODULE_DEVICE_TABLE(ap, zcrypt_pcixcc_card_ids);
6684af1a	69
e28d2af4 IT	70	static struct ap_device_id zcrypt_pcixcc_queue_ids[] = {
	71	{ .dev_type = AP_DEVICE_TYPE_PCIXCC,
	72	.match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
	73	{ .dev_type = AP_DEVICE_TYPE_CEX2C,
	74	.match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
	75	{ .dev_type = AP_DEVICE_TYPE_CEX3C,
	76	.match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
	77	{ /* end of list */ },
	78	};
6684af1a	79
e28d2af4	80	MODULE_DEVICE_TABLE(ap, zcrypt_pcixcc_queue_ids);
6684af1a	81
2f7c8bd6 RW	82	/**
	83	* Large random number detection function. Its sends a message to a pcixcc
	84	* card to find out if large random numbers are supported.
	85	* @ap_dev: pointer to the AP device.
	86	*
	87	* Returns 1 if large random numbers are supported, 0 if not and < 0 on error.
	88	*/
e28d2af4	89	static int zcrypt_pcixcc_rng_supported(struct ap_queue *aq)
2f7c8bd6 RW	90	{
	91	struct ap_message ap_msg;
	92	unsigned long long psmid;
e28d2af4	93	unsigned int domain;
2f7c8bd6 RW	94	struct {
	95	struct type86_hdr hdr;
	96	struct type86_fmt2_ext fmt2;
	97	struct CPRBX cprbx;
	98	} __attribute__((packed)) *reply;
34a15167 IT	99	struct {
	100	struct type6_hdr hdr;
	101	struct CPRBX cprbx;
	102	char function_code[2];
	103	short int rule_length;
	104	char rule[8];
	105	short int verb_length;
	106	short int key_length;
	107	} __packed * msg;
2f7c8bd6 RW	108	int rc, i;
2f7c8bd6 RW	109
468ffddf	110	ap_init_message(&ap_msg);
2f7c8bd6 RW	111	ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
	112	if (!ap_msg.message)
	113	return -ENOMEM;
	114
e28d2af4	115	rng_type6CPRB_msgX(&ap_msg, 4, &domain);
34a15167 IT	116
34a15167 IT	117	msg = ap_msg.message;
e28d2af4	118	msg->cprbx.domain = AP_QID_QUEUE(aq->qid);
34a15167	119
e28d2af4	120	rc = ap_send(aq->qid, 0x0102030405060708ULL, ap_msg.message,
2f7c8bd6 RW	121	ap_msg.length);
	122	if (rc)
	123	goto out_free;
	124
	125	/* Wait for the test message to complete. */
	126	for (i = 0; i < 2 * HZ; i++) {
	127	msleep(1000 / HZ);
e28d2af4	128	rc = ap_recv(aq->qid, &psmid, ap_msg.message, 4096);
2f7c8bd6 RW	129	if (rc == 0 && psmid == 0x0102030405060708ULL)
	130	break;
	131	}
	132
	133	if (i >= 2 * HZ) {
	134	/* Got no answer. */
	135	rc = -ENODEV;
	136	goto out_free;
	137	}
	138
	139	reply = ap_msg.message;
	140	if (reply->cprbx.ccp_rtcode == 0 && reply->cprbx.ccp_rscode == 0)
	141	rc = 1;
	142	else
	143	rc = 0;
	144	out_free:
	145	free_page((unsigned long) ap_msg.message);
	146	return rc;
	147	}
	148
6684af1a	149	/**
e28d2af4 IT	150	* Probe function for PCIXCC/CEX2C card devices. It always accepts the
	151	* AP device since the bus_match already checked the hardware type. The
	152	* PCIXCC cards come in two flavours: micro code level 2 and micro code
	153	* level 3. This is checked by sending a test message to the device.
	154	* @ap_dev: pointer to the AP card device.
6684af1a	155	*/
e28d2af4	156	static int zcrypt_pcixcc_card_probe(struct ap_device *ap_dev)
6684af1a	157	{
34a15167 IT	158	/*
	159	* Normalized speed ratings per crypto adapter
	160	* MEX_1k, MEX_2k, MEX_4k, CRT_1k, CRT_2k, CRT_4k, RNG, SECKEY
	161	*/
e28d2af4 IT	162	static const int CEX2C_SPEED_IDX[] = {
	163	1000, 1400, 2400, 1100, 1500, 2600, 100, 12};
	164	static const int CEX3C_SPEED_IDX[] = {
	165	500, 700, 1400, 550, 800, 1500, 80, 10};
	166
	167	struct ap_card *ac = to_ap_card(&ap_dev->device);
	168	struct zcrypt_card *zc;
8e89b6be	169	int rc = 0;
6684af1a	170
e28d2af4 IT	171	zc = zcrypt_card_alloc();
e28d2af4 IT	172	if (!zc)
6684af1a	173	return -ENOMEM;
e28d2af4 IT	174	zc->card = ac;
	175	ac->private = zc;
	176	switch (ac->ap_dev.device_type) {
8e89b6be	177	case AP_DEVICE_TYPE_CEX2C:
e28d2af4 IT	178	zc->user_space_type = ZCRYPT_CEX2C;
	179	zc->type_string = "CEX2C";
	180	memcpy(zc->speed_rating, CEX2C_SPEED_IDX,
34a15167	181	sizeof(CEX2C_SPEED_IDX));
e28d2af4 IT	182	zc->min_mod_size = PCIXCC_MIN_MOD_SIZE;
	183	zc->max_mod_size = PCIXCC_MAX_MOD_SIZE;
	184	zc->max_exp_bit_length = PCIXCC_MAX_MOD_SIZE;
8e89b6be FB	185	break;
8e89b6be FB	186	case AP_DEVICE_TYPE_CEX3C:
e28d2af4 IT	187	zc->user_space_type = ZCRYPT_CEX3C;
	188	zc->type_string = "CEX3C";
	189	memcpy(zc->speed_rating, CEX3C_SPEED_IDX,
34a15167	190	sizeof(CEX3C_SPEED_IDX));
e28d2af4 IT	191	zc->min_mod_size = CEX3C_MIN_MOD_SIZE;
	192	zc->max_mod_size = CEX3C_MAX_MOD_SIZE;
	193	zc->max_exp_bit_length = CEX3C_MAX_MOD_SIZE;
8e89b6be FB	194	break;
8e89b6be FB	195	default:
e28d2af4 IT	196	zcrypt_card_free(zc);
e28d2af4 IT	197	return -ENODEV;
6684af1a	198	}
e28d2af4	199	zc->online = 1;
8e89b6be	200
e28d2af4 IT	201	rc = zcrypt_card_register(zc);
	202	if (rc) {
	203	ac->private = NULL;
	204	zcrypt_card_free(zc);
	205	}
	206
	207	return rc;
	208	}
	209
	210	/**
	211	* This is called to remove the PCIXCC/CEX2C card driver information
	212	* if an AP card device is removed.
	213	*/
	214	static void zcrypt_pcixcc_card_remove(struct ap_device *ap_dev)
	215	{
	216	struct zcrypt_card *zc = to_ap_card(&ap_dev->device)->private;
	217
	218	if (zc)
	219	zcrypt_card_unregister(zc);
	220	}
	221
	222	static struct ap_driver zcrypt_pcixcc_card_driver = {
	223	.probe = zcrypt_pcixcc_card_probe,
	224	.remove = zcrypt_pcixcc_card_remove,
	225	.ids = zcrypt_pcixcc_card_ids,
	226	};
	227
	228	/**
	229	* Probe function for PCIXCC/CEX2C queue devices. It always accepts the
	230	* AP device since the bus_match already checked the hardware type. The
	231	* PCIXCC cards come in two flavours: micro code level 2 and micro code
	232	* level 3. This is checked by sending a test message to the device.
	233	* @ap_dev: pointer to the AP card device.
	234	*/
	235	static int zcrypt_pcixcc_queue_probe(struct ap_device *ap_dev)
	236	{
	237	struct ap_queue *aq = to_ap_queue(&ap_dev->device);
	238	struct zcrypt_queue *zq;
	239	int rc;
	240
	241	zq = zcrypt_queue_alloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE);
	242	if (!zq)
	243	return -ENOMEM;
	244	zq->queue = aq;
	245	zq->online = 1;
	246	atomic_set(&zq->load, 0);
	247	rc = zcrypt_pcixcc_rng_supported(aq);
2f7c8bd6	248	if (rc < 0) {
e28d2af4	249	zcrypt_queue_free(zq);
2f7c8bd6 RW	250	return rc;
	251	}
	252	if (rc)
e28d2af4 IT	253	zq->ops = zcrypt_msgtype(MSGTYPE06_NAME,
e28d2af4 IT	254	MSGTYPE06_VARIANT_DEFAULT);
2f7c8bd6	255	else
e28d2af4 IT	256	zq->ops = zcrypt_msgtype(MSGTYPE06_NAME,
	257	MSGTYPE06_VARIANT_NORNG);
	258	ap_queue_init_reply(aq, &zq->reply);
	259	aq->request_timeout = PCIXCC_CLEANUP_TIME,
	260	aq->private = zq;
	261	rc = zcrypt_queue_register(zq);
	262	if (rc) {
	263	aq->private = NULL;
	264	zcrypt_queue_free(zq);
	265	}
6684af1a MS	266	return rc;
	267	}
	268
	269	/**
e28d2af4 IT	270	* This is called to remove the PCIXCC/CEX2C queue driver information
e28d2af4 IT	271	* if an AP queue device is removed.
6684af1a	272	*/
e28d2af4	273	static void zcrypt_pcixcc_queue_remove(struct ap_device *ap_dev)
6684af1a	274	{
e28d2af4 IT	275	struct ap_queue *aq = to_ap_queue(&ap_dev->device);
e28d2af4 IT	276	struct zcrypt_queue *zq = aq->private;
6684af1a	277
e28d2af4 IT	278	ap_queue_remove(aq);
	279	if (zq)
	280	zcrypt_queue_unregister(zq);
6684af1a MS	281	}
6684af1a MS	282
e28d2af4 IT	283	static struct ap_driver zcrypt_pcixcc_queue_driver = {
	284	.probe = zcrypt_pcixcc_queue_probe,
	285	.remove = zcrypt_pcixcc_queue_remove,
	286	.suspend = ap_queue_suspend,
	287	.resume = ap_queue_resume,
	288	.ids = zcrypt_pcixcc_queue_ids,
	289	};
	290
6684af1a MS	291	int __init zcrypt_pcixcc_init(void)
6684af1a MS	292	{
e28d2af4 IT	293	int rc;
	294
	295	rc = ap_driver_register(&zcrypt_pcixcc_card_driver,
	296	THIS_MODULE, "pcixcccard");
	297	if (rc)
	298	return rc;
	299
	300	rc = ap_driver_register(&zcrypt_pcixcc_queue_driver,
	301	THIS_MODULE, "pcixccqueue");
	302	if (rc)
	303	ap_driver_unregister(&zcrypt_pcixcc_card_driver);
	304
	305	return rc;
6684af1a MS	306	}
	307
	308	void zcrypt_pcixcc_exit(void)
	309	{
e28d2af4 IT	310	ap_driver_unregister(&zcrypt_pcixcc_queue_driver);
e28d2af4 IT	311	ap_driver_unregister(&zcrypt_pcixcc_card_driver);
6684af1a MS	312	}
6684af1a MS	313
6684af1a MS	314	module_init(zcrypt_pcixcc_init);
6684af1a MS	315	module_exit(zcrypt_pcixcc_exit);