forked from Minki/linux
41677b1d94
The s390 power management support has been removed. So the api registration and the suspend and resume callbacks and all the code related to this for the ap bus and the ap drivers is removed with this patch. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
688 lines
19 KiB
C
688 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright IBM Corp. 2012, 2019
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* Author(s): Holger Dengler <hd@linux.vnet.ibm.com>
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/atomic.h>
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#include <linux/uaccess.h>
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#include <linux/mod_devicetable.h>
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#include "ap_bus.h"
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#include "zcrypt_api.h"
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#include "zcrypt_msgtype6.h"
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#include "zcrypt_msgtype50.h"
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#include "zcrypt_error.h"
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#include "zcrypt_cex4.h"
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#include "zcrypt_ccamisc.h"
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#include "zcrypt_ep11misc.h"
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#define CEX4A_MIN_MOD_SIZE 1 /* 8 bits */
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#define CEX4A_MAX_MOD_SIZE_2K 256 /* 2048 bits */
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#define CEX4A_MAX_MOD_SIZE_4K 512 /* 4096 bits */
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#define CEX4C_MIN_MOD_SIZE 16 /* 256 bits */
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#define CEX4C_MAX_MOD_SIZE 512 /* 4096 bits */
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#define CEX4A_MAX_MESSAGE_SIZE MSGTYPE50_CRB3_MAX_MSG_SIZE
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#define CEX4C_MAX_MESSAGE_SIZE MSGTYPE06_MAX_MSG_SIZE
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/* Waiting time for requests to be processed.
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* Currently there are some types of request which are not deterministic.
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* But the maximum time limit managed by the stomper code is set to 60sec.
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* Hence we have to wait at least that time period.
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*/
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#define CEX4_CLEANUP_TIME (900*HZ)
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MODULE_AUTHOR("IBM Corporation");
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MODULE_DESCRIPTION("CEX4/CEX5/CEX6/CEX7 Cryptographic Card device driver, " \
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"Copyright IBM Corp. 2019");
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MODULE_LICENSE("GPL");
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static struct ap_device_id zcrypt_cex4_card_ids[] = {
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{ .dev_type = AP_DEVICE_TYPE_CEX4,
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.match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
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{ .dev_type = AP_DEVICE_TYPE_CEX5,
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.match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
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{ .dev_type = AP_DEVICE_TYPE_CEX6,
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.match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
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{ .dev_type = AP_DEVICE_TYPE_CEX7,
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.match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE },
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{ /* end of list */ },
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};
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MODULE_DEVICE_TABLE(ap, zcrypt_cex4_card_ids);
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static struct ap_device_id zcrypt_cex4_queue_ids[] = {
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{ .dev_type = AP_DEVICE_TYPE_CEX4,
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.match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
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{ .dev_type = AP_DEVICE_TYPE_CEX5,
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.match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
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{ .dev_type = AP_DEVICE_TYPE_CEX6,
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.match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
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{ .dev_type = AP_DEVICE_TYPE_CEX7,
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.match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE },
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{ /* end of list */ },
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};
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MODULE_DEVICE_TABLE(ap, zcrypt_cex4_queue_ids);
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/*
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* CCA card additional device attributes
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*/
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static ssize_t cca_serialnr_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct cca_info ci;
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struct ap_card *ac = to_ap_card(dev);
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struct zcrypt_card *zc = ac->private;
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memset(&ci, 0, sizeof(ci));
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if (ap_domain_index >= 0)
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cca_get_info(ac->id, ap_domain_index, &ci, zc->online);
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return scnprintf(buf, PAGE_SIZE, "%s\n", ci.serial);
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}
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static struct device_attribute dev_attr_cca_serialnr =
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__ATTR(serialnr, 0444, cca_serialnr_show, NULL);
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static struct attribute *cca_card_attrs[] = {
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&dev_attr_cca_serialnr.attr,
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NULL,
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};
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static const struct attribute_group cca_card_attr_grp = {
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.attrs = cca_card_attrs,
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};
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/*
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* CCA queue additional device attributes
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*/
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static ssize_t cca_mkvps_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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int n = 0;
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struct cca_info ci;
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struct zcrypt_queue *zq = to_ap_queue(dev)->private;
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static const char * const cao_state[] = { "invalid", "valid" };
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static const char * const new_state[] = { "empty", "partial", "full" };
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memset(&ci, 0, sizeof(ci));
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cca_get_info(AP_QID_CARD(zq->queue->qid),
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AP_QID_QUEUE(zq->queue->qid),
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&ci, zq->online);
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if (ci.new_mk_state >= '1' && ci.new_mk_state <= '3')
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n = scnprintf(buf, PAGE_SIZE, "AES NEW: %s 0x%016llx\n",
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new_state[ci.new_mk_state - '1'], ci.new_mkvp);
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else
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n = scnprintf(buf, PAGE_SIZE, "AES NEW: - -\n");
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if (ci.cur_mk_state >= '1' && ci.cur_mk_state <= '2')
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n += scnprintf(buf + n, PAGE_SIZE - n,
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"AES CUR: %s 0x%016llx\n",
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cao_state[ci.cur_mk_state - '1'], ci.cur_mkvp);
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else
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n += scnprintf(buf + n, PAGE_SIZE - n, "AES CUR: - -\n");
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if (ci.old_mk_state >= '1' && ci.old_mk_state <= '2')
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n += scnprintf(buf + n, PAGE_SIZE - n,
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"AES OLD: %s 0x%016llx\n",
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cao_state[ci.old_mk_state - '1'], ci.old_mkvp);
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else
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n += scnprintf(buf + n, PAGE_SIZE - n, "AES OLD: - -\n");
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return n;
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}
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static struct device_attribute dev_attr_cca_mkvps =
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__ATTR(mkvps, 0444, cca_mkvps_show, NULL);
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static struct attribute *cca_queue_attrs[] = {
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&dev_attr_cca_mkvps.attr,
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NULL,
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};
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static const struct attribute_group cca_queue_attr_grp = {
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.attrs = cca_queue_attrs,
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};
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/*
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* EP11 card additional device attributes
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*/
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static ssize_t ep11_api_ordinalnr_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct ep11_card_info ci;
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struct ap_card *ac = to_ap_card(dev);
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struct zcrypt_card *zc = ac->private;
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memset(&ci, 0, sizeof(ci));
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ep11_get_card_info(ac->id, &ci, zc->online);
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if (ci.API_ord_nr > 0)
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return scnprintf(buf, PAGE_SIZE, "%u\n", ci.API_ord_nr);
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else
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return scnprintf(buf, PAGE_SIZE, "\n");
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}
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static struct device_attribute dev_attr_ep11_api_ordinalnr =
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__ATTR(API_ordinalnr, 0444, ep11_api_ordinalnr_show, NULL);
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static ssize_t ep11_fw_version_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct ep11_card_info ci;
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struct ap_card *ac = to_ap_card(dev);
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struct zcrypt_card *zc = ac->private;
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memset(&ci, 0, sizeof(ci));
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ep11_get_card_info(ac->id, &ci, zc->online);
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if (ci.FW_version > 0)
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return scnprintf(buf, PAGE_SIZE, "%d.%d\n",
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(int)(ci.FW_version >> 8),
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(int)(ci.FW_version & 0xFF));
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else
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return scnprintf(buf, PAGE_SIZE, "\n");
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}
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static struct device_attribute dev_attr_ep11_fw_version =
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__ATTR(FW_version, 0444, ep11_fw_version_show, NULL);
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static ssize_t ep11_serialnr_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct ep11_card_info ci;
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struct ap_card *ac = to_ap_card(dev);
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struct zcrypt_card *zc = ac->private;
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memset(&ci, 0, sizeof(ci));
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ep11_get_card_info(ac->id, &ci, zc->online);
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if (ci.serial[0])
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return scnprintf(buf, PAGE_SIZE, "%16.16s\n", ci.serial);
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else
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return scnprintf(buf, PAGE_SIZE, "\n");
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}
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static struct device_attribute dev_attr_ep11_serialnr =
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__ATTR(serialnr, 0444, ep11_serialnr_show, NULL);
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static const struct {
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int mode_bit;
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const char *mode_txt;
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} ep11_op_modes[] = {
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{ 0, "FIPS2009" },
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{ 1, "BSI2009" },
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{ 2, "FIPS2011" },
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{ 3, "BSI2011" },
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{ 6, "BSICC2017" },
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{ 0, NULL }
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};
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static ssize_t ep11_card_op_modes_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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int i, n = 0;
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struct ep11_card_info ci;
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struct ap_card *ac = to_ap_card(dev);
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struct zcrypt_card *zc = ac->private;
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memset(&ci, 0, sizeof(ci));
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ep11_get_card_info(ac->id, &ci, zc->online);
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for (i = 0; ep11_op_modes[i].mode_txt; i++) {
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if (ci.op_mode & (1 << ep11_op_modes[i].mode_bit)) {
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if (n > 0)
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buf[n++] = ' ';
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n += scnprintf(buf + n, PAGE_SIZE - n,
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"%s", ep11_op_modes[i].mode_txt);
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}
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}
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n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
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return n;
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}
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static struct device_attribute dev_attr_ep11_card_op_modes =
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__ATTR(op_modes, 0444, ep11_card_op_modes_show, NULL);
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static struct attribute *ep11_card_attrs[] = {
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&dev_attr_ep11_api_ordinalnr.attr,
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&dev_attr_ep11_fw_version.attr,
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&dev_attr_ep11_serialnr.attr,
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&dev_attr_ep11_card_op_modes.attr,
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NULL,
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};
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static const struct attribute_group ep11_card_attr_grp = {
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.attrs = ep11_card_attrs,
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};
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/*
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* EP11 queue additional device attributes
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*/
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static ssize_t ep11_mkvps_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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int n = 0;
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struct ep11_domain_info di;
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struct zcrypt_queue *zq = to_ap_queue(dev)->private;
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static const char * const cwk_state[] = { "invalid", "valid" };
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static const char * const nwk_state[] = { "empty", "uncommitted",
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"committed" };
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memset(&di, 0, sizeof(di));
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if (zq->online)
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ep11_get_domain_info(AP_QID_CARD(zq->queue->qid),
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AP_QID_QUEUE(zq->queue->qid),
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&di);
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if (di.cur_wk_state == '0') {
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n = scnprintf(buf, PAGE_SIZE, "WK CUR: %s -\n",
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cwk_state[di.cur_wk_state - '0']);
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} else if (di.cur_wk_state == '1') {
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n = scnprintf(buf, PAGE_SIZE, "WK CUR: %s 0x",
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cwk_state[di.cur_wk_state - '0']);
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bin2hex(buf + n, di.cur_wkvp, sizeof(di.cur_wkvp));
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n += 2 * sizeof(di.cur_wkvp);
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n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
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} else
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n = scnprintf(buf, PAGE_SIZE, "WK CUR: - -\n");
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if (di.new_wk_state == '0') {
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n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: %s -\n",
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nwk_state[di.new_wk_state - '0']);
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} else if (di.new_wk_state >= '1' && di.new_wk_state <= '2') {
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n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: %s 0x",
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nwk_state[di.new_wk_state - '0']);
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bin2hex(buf + n, di.new_wkvp, sizeof(di.new_wkvp));
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n += 2 * sizeof(di.new_wkvp);
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n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
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} else
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n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: - -\n");
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return n;
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}
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static struct device_attribute dev_attr_ep11_mkvps =
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__ATTR(mkvps, 0444, ep11_mkvps_show, NULL);
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static ssize_t ep11_queue_op_modes_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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int i, n = 0;
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struct ep11_domain_info di;
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struct zcrypt_queue *zq = to_ap_queue(dev)->private;
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memset(&di, 0, sizeof(di));
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if (zq->online)
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ep11_get_domain_info(AP_QID_CARD(zq->queue->qid),
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AP_QID_QUEUE(zq->queue->qid),
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&di);
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for (i = 0; ep11_op_modes[i].mode_txt; i++) {
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if (di.op_mode & (1 << ep11_op_modes[i].mode_bit)) {
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if (n > 0)
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buf[n++] = ' ';
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n += scnprintf(buf + n, PAGE_SIZE - n,
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"%s", ep11_op_modes[i].mode_txt);
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}
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}
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n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
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return n;
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}
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static struct device_attribute dev_attr_ep11_queue_op_modes =
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__ATTR(op_modes, 0444, ep11_queue_op_modes_show, NULL);
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static struct attribute *ep11_queue_attrs[] = {
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&dev_attr_ep11_mkvps.attr,
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&dev_attr_ep11_queue_op_modes.attr,
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NULL,
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};
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static const struct attribute_group ep11_queue_attr_grp = {
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.attrs = ep11_queue_attrs,
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};
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/**
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* Probe function for CEX4/CEX5/CEX6/CEX7 card device. It always
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* accepts the AP device since the bus_match already checked
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* the hardware type.
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* @ap_dev: pointer to the AP device.
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*/
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static int zcrypt_cex4_card_probe(struct ap_device *ap_dev)
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{
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/*
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* Normalized speed ratings per crypto adapter
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* MEX_1k, MEX_2k, MEX_4k, CRT_1k, CRT_2k, CRT_4k, RNG, SECKEY
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*/
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static const int CEX4A_SPEED_IDX[] = {
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14, 19, 249, 42, 228, 1458, 0, 0};
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static const int CEX5A_SPEED_IDX[] = {
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8, 9, 20, 18, 66, 458, 0, 0};
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static const int CEX6A_SPEED_IDX[] = {
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6, 9, 20, 17, 65, 438, 0, 0};
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static const int CEX7A_SPEED_IDX[] = {
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6, 8, 17, 15, 54, 362, 0, 0};
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static const int CEX4C_SPEED_IDX[] = {
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59, 69, 308, 83, 278, 2204, 209, 40};
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static const int CEX5C_SPEED_IDX[] = {
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24, 31, 50, 37, 90, 479, 27, 10};
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static const int CEX6C_SPEED_IDX[] = {
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16, 20, 32, 27, 77, 455, 24, 9};
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static const int CEX7C_SPEED_IDX[] = {
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14, 16, 26, 23, 64, 376, 23, 8};
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static const int CEX4P_SPEED_IDX[] = {
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0, 0, 0, 0, 0, 0, 0, 50};
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static const int CEX5P_SPEED_IDX[] = {
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0, 0, 0, 0, 0, 0, 0, 10};
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static const int CEX6P_SPEED_IDX[] = {
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0, 0, 0, 0, 0, 0, 0, 9};
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static const int CEX7P_SPEED_IDX[] = {
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0, 0, 0, 0, 0, 0, 0, 8};
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struct ap_card *ac = to_ap_card(&ap_dev->device);
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struct zcrypt_card *zc;
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int rc = 0;
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zc = zcrypt_card_alloc();
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if (!zc)
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return -ENOMEM;
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zc->card = ac;
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ac->private = zc;
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if (ap_test_bit(&ac->functions, AP_FUNC_ACCEL)) {
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if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX4) {
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zc->type_string = "CEX4A";
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zc->user_space_type = ZCRYPT_CEX4;
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memcpy(zc->speed_rating, CEX4A_SPEED_IDX,
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sizeof(CEX4A_SPEED_IDX));
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} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) {
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zc->type_string = "CEX5A";
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zc->user_space_type = ZCRYPT_CEX5;
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memcpy(zc->speed_rating, CEX5A_SPEED_IDX,
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sizeof(CEX5A_SPEED_IDX));
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} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX6) {
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zc->type_string = "CEX6A";
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zc->user_space_type = ZCRYPT_CEX6;
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memcpy(zc->speed_rating, CEX6A_SPEED_IDX,
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sizeof(CEX6A_SPEED_IDX));
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} else {
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zc->type_string = "CEX7A";
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/* wrong user space type, just for compatibility
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* with the ZCRYPT_STATUS_MASK ioctl.
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*/
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zc->user_space_type = ZCRYPT_CEX6;
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memcpy(zc->speed_rating, CEX7A_SPEED_IDX,
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sizeof(CEX7A_SPEED_IDX));
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}
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zc->min_mod_size = CEX4A_MIN_MOD_SIZE;
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if (ap_test_bit(&ac->functions, AP_FUNC_MEX4K) &&
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ap_test_bit(&ac->functions, AP_FUNC_CRT4K)) {
|
|
zc->max_mod_size = CEX4A_MAX_MOD_SIZE_4K;
|
|
zc->max_exp_bit_length =
|
|
CEX4A_MAX_MOD_SIZE_4K;
|
|
} else {
|
|
zc->max_mod_size = CEX4A_MAX_MOD_SIZE_2K;
|
|
zc->max_exp_bit_length =
|
|
CEX4A_MAX_MOD_SIZE_2K;
|
|
}
|
|
} else if (ap_test_bit(&ac->functions, AP_FUNC_COPRO)) {
|
|
if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX4) {
|
|
zc->type_string = "CEX4C";
|
|
/* wrong user space type, must be CEX4
|
|
* just keep it for cca compatibility
|
|
*/
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
|
memcpy(zc->speed_rating, CEX4C_SPEED_IDX,
|
|
sizeof(CEX4C_SPEED_IDX));
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) {
|
|
zc->type_string = "CEX5C";
|
|
/* wrong user space type, must be CEX5
|
|
* just keep it for cca compatibility
|
|
*/
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
|
memcpy(zc->speed_rating, CEX5C_SPEED_IDX,
|
|
sizeof(CEX5C_SPEED_IDX));
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX6) {
|
|
zc->type_string = "CEX6C";
|
|
/* wrong user space type, must be CEX6
|
|
* just keep it for cca compatibility
|
|
*/
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
|
memcpy(zc->speed_rating, CEX6C_SPEED_IDX,
|
|
sizeof(CEX6C_SPEED_IDX));
|
|
} else {
|
|
zc->type_string = "CEX7C";
|
|
/* wrong user space type, must be CEX7
|
|
* just keep it for cca compatibility
|
|
*/
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
|
memcpy(zc->speed_rating, CEX7C_SPEED_IDX,
|
|
sizeof(CEX7C_SPEED_IDX));
|
|
}
|
|
zc->min_mod_size = CEX4C_MIN_MOD_SIZE;
|
|
zc->max_mod_size = CEX4C_MAX_MOD_SIZE;
|
|
zc->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
|
|
} else if (ap_test_bit(&ac->functions, AP_FUNC_EP11)) {
|
|
if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX4) {
|
|
zc->type_string = "CEX4P";
|
|
zc->user_space_type = ZCRYPT_CEX4;
|
|
memcpy(zc->speed_rating, CEX4P_SPEED_IDX,
|
|
sizeof(CEX4P_SPEED_IDX));
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) {
|
|
zc->type_string = "CEX5P";
|
|
zc->user_space_type = ZCRYPT_CEX5;
|
|
memcpy(zc->speed_rating, CEX5P_SPEED_IDX,
|
|
sizeof(CEX5P_SPEED_IDX));
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX6) {
|
|
zc->type_string = "CEX6P";
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
|
memcpy(zc->speed_rating, CEX6P_SPEED_IDX,
|
|
sizeof(CEX6P_SPEED_IDX));
|
|
} else {
|
|
zc->type_string = "CEX7P";
|
|
/* wrong user space type, just for compatibility
|
|
* with the ZCRYPT_STATUS_MASK ioctl.
|
|
*/
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
|
memcpy(zc->speed_rating, CEX7P_SPEED_IDX,
|
|
sizeof(CEX7P_SPEED_IDX));
|
|
}
|
|
zc->min_mod_size = CEX4C_MIN_MOD_SIZE;
|
|
zc->max_mod_size = CEX4C_MAX_MOD_SIZE;
|
|
zc->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
|
|
} else {
|
|
zcrypt_card_free(zc);
|
|
return -ENODEV;
|
|
}
|
|
zc->online = 1;
|
|
|
|
rc = zcrypt_card_register(zc);
|
|
if (rc) {
|
|
ac->private = NULL;
|
|
zcrypt_card_free(zc);
|
|
goto out;
|
|
}
|
|
|
|
if (ap_test_bit(&ac->functions, AP_FUNC_COPRO)) {
|
|
rc = sysfs_create_group(&ap_dev->device.kobj,
|
|
&cca_card_attr_grp);
|
|
if (rc)
|
|
zcrypt_card_unregister(zc);
|
|
} else if (ap_test_bit(&ac->functions, AP_FUNC_EP11)) {
|
|
rc = sysfs_create_group(&ap_dev->device.kobj,
|
|
&ep11_card_attr_grp);
|
|
if (rc)
|
|
zcrypt_card_unregister(zc);
|
|
}
|
|
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* This is called to remove the CEX4/CEX5/CEX6/CEX7 card driver
|
|
* information if an AP card device is removed.
|
|
*/
|
|
static void zcrypt_cex4_card_remove(struct ap_device *ap_dev)
|
|
{
|
|
struct ap_card *ac = to_ap_card(&ap_dev->device);
|
|
struct zcrypt_card *zc = ac->private;
|
|
|
|
if (ap_test_bit(&ac->functions, AP_FUNC_COPRO))
|
|
sysfs_remove_group(&ap_dev->device.kobj, &cca_card_attr_grp);
|
|
else if (ap_test_bit(&ac->functions, AP_FUNC_EP11))
|
|
sysfs_remove_group(&ap_dev->device.kobj, &ep11_card_attr_grp);
|
|
if (zc)
|
|
zcrypt_card_unregister(zc);
|
|
}
|
|
|
|
static struct ap_driver zcrypt_cex4_card_driver = {
|
|
.probe = zcrypt_cex4_card_probe,
|
|
.remove = zcrypt_cex4_card_remove,
|
|
.ids = zcrypt_cex4_card_ids,
|
|
.flags = AP_DRIVER_FLAG_DEFAULT,
|
|
};
|
|
|
|
/**
|
|
* Probe function for CEX4/CEX5/CEX6/CEX7 queue device. It always
|
|
* accepts the AP device since the bus_match already checked
|
|
* the hardware type.
|
|
* @ap_dev: pointer to the AP device.
|
|
*/
|
|
static int zcrypt_cex4_queue_probe(struct ap_device *ap_dev)
|
|
{
|
|
struct ap_queue *aq = to_ap_queue(&ap_dev->device);
|
|
struct zcrypt_queue *zq;
|
|
int rc;
|
|
|
|
if (ap_test_bit(&aq->card->functions, AP_FUNC_ACCEL)) {
|
|
zq = zcrypt_queue_alloc(CEX4A_MAX_MESSAGE_SIZE);
|
|
if (!zq)
|
|
return -ENOMEM;
|
|
zq->ops = zcrypt_msgtype(MSGTYPE50_NAME,
|
|
MSGTYPE50_VARIANT_DEFAULT);
|
|
} else if (ap_test_bit(&aq->card->functions, AP_FUNC_COPRO)) {
|
|
zq = zcrypt_queue_alloc(CEX4C_MAX_MESSAGE_SIZE);
|
|
if (!zq)
|
|
return -ENOMEM;
|
|
zq->ops = zcrypt_msgtype(MSGTYPE06_NAME,
|
|
MSGTYPE06_VARIANT_DEFAULT);
|
|
} else if (ap_test_bit(&aq->card->functions, AP_FUNC_EP11)) {
|
|
zq = zcrypt_queue_alloc(CEX4C_MAX_MESSAGE_SIZE);
|
|
if (!zq)
|
|
return -ENOMEM;
|
|
zq->ops = zcrypt_msgtype(MSGTYPE06_NAME,
|
|
MSGTYPE06_VARIANT_EP11);
|
|
} else {
|
|
return -ENODEV;
|
|
}
|
|
|
|
zq->queue = aq;
|
|
zq->online = 1;
|
|
atomic_set(&zq->load, 0);
|
|
ap_queue_init_state(aq);
|
|
ap_queue_init_reply(aq, &zq->reply);
|
|
aq->request_timeout = CEX4_CLEANUP_TIME,
|
|
aq->private = zq;
|
|
rc = zcrypt_queue_register(zq);
|
|
if (rc) {
|
|
aq->private = NULL;
|
|
zcrypt_queue_free(zq);
|
|
goto out;
|
|
}
|
|
|
|
if (ap_test_bit(&aq->card->functions, AP_FUNC_COPRO)) {
|
|
rc = sysfs_create_group(&ap_dev->device.kobj,
|
|
&cca_queue_attr_grp);
|
|
if (rc)
|
|
zcrypt_queue_unregister(zq);
|
|
} else if (ap_test_bit(&aq->card->functions, AP_FUNC_EP11)) {
|
|
rc = sysfs_create_group(&ap_dev->device.kobj,
|
|
&ep11_queue_attr_grp);
|
|
if (rc)
|
|
zcrypt_queue_unregister(zq);
|
|
}
|
|
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* This is called to remove the CEX4/CEX5/CEX6/CEX7 queue driver
|
|
* information if an AP queue device is removed.
|
|
*/
|
|
static void zcrypt_cex4_queue_remove(struct ap_device *ap_dev)
|
|
{
|
|
struct ap_queue *aq = to_ap_queue(&ap_dev->device);
|
|
struct zcrypt_queue *zq = aq->private;
|
|
|
|
if (ap_test_bit(&aq->card->functions, AP_FUNC_COPRO))
|
|
sysfs_remove_group(&ap_dev->device.kobj, &cca_queue_attr_grp);
|
|
else if (ap_test_bit(&aq->card->functions, AP_FUNC_EP11))
|
|
sysfs_remove_group(&ap_dev->device.kobj, &ep11_queue_attr_grp);
|
|
if (zq)
|
|
zcrypt_queue_unregister(zq);
|
|
}
|
|
|
|
static struct ap_driver zcrypt_cex4_queue_driver = {
|
|
.probe = zcrypt_cex4_queue_probe,
|
|
.remove = zcrypt_cex4_queue_remove,
|
|
.ids = zcrypt_cex4_queue_ids,
|
|
.flags = AP_DRIVER_FLAG_DEFAULT,
|
|
};
|
|
|
|
int __init zcrypt_cex4_init(void)
|
|
{
|
|
int rc;
|
|
|
|
rc = ap_driver_register(&zcrypt_cex4_card_driver,
|
|
THIS_MODULE, "cex4card");
|
|
if (rc)
|
|
return rc;
|
|
|
|
rc = ap_driver_register(&zcrypt_cex4_queue_driver,
|
|
THIS_MODULE, "cex4queue");
|
|
if (rc)
|
|
ap_driver_unregister(&zcrypt_cex4_card_driver);
|
|
|
|
return rc;
|
|
}
|
|
|
|
void __exit zcrypt_cex4_exit(void)
|
|
{
|
|
ap_driver_unregister(&zcrypt_cex4_queue_driver);
|
|
ap_driver_unregister(&zcrypt_cex4_card_driver);
|
|
}
|
|
|
|
module_init(zcrypt_cex4_init);
|
|
module_exit(zcrypt_cex4_exit);
|