735 lines
21 KiB
C
735 lines
21 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright IBM Corp. 2012, 2022
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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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/* 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("CEX[45678] Cryptographic Card device driver, " \
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"Copyright IBM Corp. 2022");
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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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{ .dev_type = AP_DEVICE_TYPE_CEX8,
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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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{ .dev_type = AP_DEVICE_TYPE_CEX8,
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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 zcrypt_card *zc = dev_get_drvdata(dev);
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struct cca_info ci;
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struct ap_card *ac = to_ap_card(dev);
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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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struct zcrypt_queue *zq = dev_get_drvdata(dev);
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int n = 0;
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struct cca_info ci;
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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_aes_mk_state >= '1' && ci.new_aes_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_aes_mk_state - '1'],
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ci.new_aes_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_aes_mk_state >= '1' && ci.cur_aes_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_aes_mk_state - '1'],
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ci.cur_aes_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_aes_mk_state >= '1' && ci.old_aes_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_aes_mk_state - '1'],
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ci.old_aes_mkvp);
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else
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n += scnprintf(buf + n, PAGE_SIZE - n, "AES OLD: - -\n");
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if (ci.new_apka_mk_state >= '1' && ci.new_apka_mk_state <= '3')
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n += scnprintf(buf + n, PAGE_SIZE - n,
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"APKA NEW: %s 0x%016llx\n",
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new_state[ci.new_apka_mk_state - '1'],
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ci.new_apka_mkvp);
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else
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n += scnprintf(buf + n, PAGE_SIZE - n, "APKA NEW: - -\n");
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if (ci.cur_apka_mk_state >= '1' && ci.cur_apka_mk_state <= '2')
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n += scnprintf(buf + n, PAGE_SIZE - n,
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"APKA CUR: %s 0x%016llx\n",
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cao_state[ci.cur_apka_mk_state - '1'],
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ci.cur_apka_mkvp);
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else
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n += scnprintf(buf + n, PAGE_SIZE - n, "APKA CUR: - -\n");
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if (ci.old_apka_mk_state >= '1' && ci.old_apka_mk_state <= '2')
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n += scnprintf(buf + n, PAGE_SIZE - n,
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"APKA OLD: %s 0x%016llx\n",
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cao_state[ci.old_apka_mk_state - '1'],
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ci.old_apka_mkvp);
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else
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n += scnprintf(buf + n, PAGE_SIZE - n, "APKA 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 zcrypt_card *zc = dev_get_drvdata(dev);
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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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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 zcrypt_card *zc = dev_get_drvdata(dev);
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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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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 zcrypt_card *zc = dev_get_drvdata(dev);
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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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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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struct zcrypt_card *zc = dev_get_drvdata(dev);
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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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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 & (1ULL << 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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struct zcrypt_queue *zq = dev_get_drvdata(dev);
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int n = 0;
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struct ep11_domain_info di;
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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']);
|
||
|
|
} else if (di.new_wk_state >= '1' && di.new_wk_state <= '2') {
|
||
|
|
n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: %s 0x",
|
||
|
|
nwk_state[di.new_wk_state - '0']);
|
||
|
|
bin2hex(buf + n, di.new_wkvp, sizeof(di.new_wkvp));
|
||
|
|
n += 2 * sizeof(di.new_wkvp);
|
||
|
|
n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
|
||
|
|
} else
|
||
|
|
n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: - -\n");
|
||
|
|
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct device_attribute dev_attr_ep11_mkvps =
|
||
|
|
__ATTR(mkvps, 0444, ep11_mkvps_show, NULL);
|
||
|
|
|
||
|
|
static ssize_t ep11_queue_op_modes_show(struct device *dev,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
struct zcrypt_queue *zq = dev_get_drvdata(dev);
|
||
|
|
int i, n = 0;
|
||
|
|
struct ep11_domain_info di;
|
||
|
|
|
||
|
|
memset(&di, 0, sizeof(di));
|
||
|
|
|
||
|
|
if (zq->online)
|
||
|
|
ep11_get_domain_info(AP_QID_CARD(zq->queue->qid),
|
||
|
|
AP_QID_QUEUE(zq->queue->qid),
|
||
|
|
&di);
|
||
|
|
|
||
|
|
for (i = 0; ep11_op_modes[i].mode_txt; i++) {
|
||
|
|
if (di.op_mode & (1ULL << ep11_op_modes[i].mode_bit)) {
|
||
|
|
if (n > 0)
|
||
|
|
buf[n++] = ' ';
|
||
|
|
n += scnprintf(buf + n, PAGE_SIZE - n,
|
||
|
|
"%s", ep11_op_modes[i].mode_txt);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
|
||
|
|
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct device_attribute dev_attr_ep11_queue_op_modes =
|
||
|
|
__ATTR(op_modes, 0444, ep11_queue_op_modes_show, NULL);
|
||
|
|
|
||
|
|
static struct attribute *ep11_queue_attrs[] = {
|
||
|
|
&dev_attr_ep11_mkvps.attr,
|
||
|
|
&dev_attr_ep11_queue_op_modes.attr,
|
||
|
|
NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct attribute_group ep11_queue_attr_grp = {
|
||
|
|
.attrs = ep11_queue_attrs,
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Probe function for CEX[45678] card 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_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 CEX4A_SPEED_IDX[NUM_OPS] = {
|
||
|
|
14, 19, 249, 42, 228, 1458, 0, 0};
|
||
|
|
static const int CEX5A_SPEED_IDX[NUM_OPS] = {
|
||
|
|
8, 9, 20, 18, 66, 458, 0, 0};
|
||
|
|
static const int CEX6A_SPEED_IDX[NUM_OPS] = {
|
||
|
|
6, 9, 20, 17, 65, 438, 0, 0};
|
||
|
|
static const int CEX7A_SPEED_IDX[NUM_OPS] = {
|
||
|
|
6, 8, 17, 15, 54, 362, 0, 0};
|
||
|
|
static const int CEX8A_SPEED_IDX[NUM_OPS] = {
|
||
|
|
6, 8, 17, 15, 54, 362, 0, 0};
|
||
|
|
|
||
|
|
static const int CEX4C_SPEED_IDX[NUM_OPS] = {
|
||
|
|
59, 69, 308, 83, 278, 2204, 209, 40};
|
||
|
|
static const int CEX5C_SPEED_IDX[] = {
|
||
|
|
24, 31, 50, 37, 90, 479, 27, 10};
|
||
|
|
static const int CEX6C_SPEED_IDX[NUM_OPS] = {
|
||
|
|
16, 20, 32, 27, 77, 455, 24, 9};
|
||
|
|
static const int CEX7C_SPEED_IDX[NUM_OPS] = {
|
||
|
|
14, 16, 26, 23, 64, 376, 23, 8};
|
||
|
|
static const int CEX8C_SPEED_IDX[NUM_OPS] = {
|
||
|
|
14, 16, 26, 23, 64, 376, 23, 8};
|
||
|
|
|
||
|
|
static const int CEX4P_SPEED_IDX[NUM_OPS] = {
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 50};
|
||
|
|
static const int CEX5P_SPEED_IDX[NUM_OPS] = {
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 10};
|
||
|
|
static const int CEX6P_SPEED_IDX[NUM_OPS] = {
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 9};
|
||
|
|
static const int CEX7P_SPEED_IDX[NUM_OPS] = {
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 8};
|
||
|
|
static const int CEX8P_SPEED_IDX[NUM_OPS] = {
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 8};
|
||
|
|
|
||
|
|
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;
|
||
|
|
dev_set_drvdata(&ap_dev->device, zc);
|
||
|
|
if (ap_test_bit(&ac->functions, AP_FUNC_ACCEL)) {
|
||
|
|
if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX4) {
|
||
|
|
zc->type_string = "CEX4A";
|
||
|
|
zc->user_space_type = ZCRYPT_CEX4;
|
||
|
|
zc->speed_rating = CEX4A_SPEED_IDX;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) {
|
||
|
|
zc->type_string = "CEX5A";
|
||
|
|
zc->user_space_type = ZCRYPT_CEX5;
|
||
|
|
zc->speed_rating = CEX5A_SPEED_IDX;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX6) {
|
||
|
|
zc->type_string = "CEX6A";
|
||
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
||
|
|
zc->speed_rating = CEX6A_SPEED_IDX;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX7) {
|
||
|
|
zc->type_string = "CEX7A";
|
||
|
|
zc->speed_rating = CEX7A_SPEED_IDX;
|
||
|
|
/* wrong user space type, just for compatibility
|
||
|
|
* with the ZCRYPT_STATUS_MASK ioctl.
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
||
|
|
} else {
|
||
|
|
zc->type_string = "CEX8A";
|
||
|
|
zc->speed_rating = CEX8A_SPEED_IDX;
|
||
|
|
/* wrong user space type, just for compatibility
|
||
|
|
* with the ZCRYPT_STATUS_MASK ioctl.
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
||
|
|
}
|
||
|
|
zc->min_mod_size = CEX4A_MIN_MOD_SIZE;
|
||
|
|
if (ap_test_bit(&ac->functions, AP_FUNC_MEX4K) &&
|
||
|
|
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";
|
||
|
|
zc->speed_rating = CEX4C_SPEED_IDX;
|
||
|
|
/* wrong user space type, must be CEX3C
|
||
|
|
* just keep it for cca compatibility
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) {
|
||
|
|
zc->type_string = "CEX5C";
|
||
|
|
zc->speed_rating = CEX5C_SPEED_IDX;
|
||
|
|
/* wrong user space type, must be CEX3C
|
||
|
|
* just keep it for cca compatibility
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX6) {
|
||
|
|
zc->type_string = "CEX6C";
|
||
|
|
zc->speed_rating = CEX6C_SPEED_IDX;
|
||
|
|
/* wrong user space type, must be CEX3C
|
||
|
|
* just keep it for cca compatibility
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX7) {
|
||
|
|
zc->type_string = "CEX7C";
|
||
|
|
zc->speed_rating = CEX7C_SPEED_IDX;
|
||
|
|
/* wrong user space type, must be CEX3C
|
||
|
|
* just keep it for cca compatibility
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
||
|
|
} else {
|
||
|
|
zc->type_string = "CEX8C";
|
||
|
|
zc->speed_rating = CEX8C_SPEED_IDX;
|
||
|
|
/* wrong user space type, must be CEX3C
|
||
|
|
* just keep it for cca compatibility
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX3C;
|
||
|
|
}
|
||
|
|
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;
|
||
|
|
zc->speed_rating = CEX4P_SPEED_IDX;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) {
|
||
|
|
zc->type_string = "CEX5P";
|
||
|
|
zc->user_space_type = ZCRYPT_CEX5;
|
||
|
|
zc->speed_rating = CEX5P_SPEED_IDX;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX6) {
|
||
|
|
zc->type_string = "CEX6P";
|
||
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
||
|
|
zc->speed_rating = CEX6P_SPEED_IDX;
|
||
|
|
} else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX7) {
|
||
|
|
zc->type_string = "CEX7P";
|
||
|
|
zc->speed_rating = CEX7P_SPEED_IDX;
|
||
|
|
/* wrong user space type, just for compatibility
|
||
|
|
* with the ZCRYPT_STATUS_MASK ioctl.
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
||
|
|
} else {
|
||
|
|
zc->type_string = "CEX8P";
|
||
|
|
zc->speed_rating = CEX8P_SPEED_IDX;
|
||
|
|
/* wrong user space type, just for compatibility
|
||
|
|
* with the ZCRYPT_STATUS_MASK ioctl.
|
||
|
|
*/
|
||
|
|
zc->user_space_type = ZCRYPT_CEX6;
|
||
|
|
}
|
||
|
|
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) {
|
||
|
|
zcrypt_card_free(zc);
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
zcrypt_card_free(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);
|
||
|
|
zcrypt_card_free(zc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is called to remove the CEX[45678] card driver
|
||
|
|
* information if an AP card device is removed.
|
||
|
|
*/
|
||
|
|
static void zcrypt_cex4_card_remove(struct ap_device *ap_dev)
|
||
|
|
{
|
||
|
|
struct zcrypt_card *zc = dev_get_drvdata(&ap_dev->device);
|
||
|
|
struct ap_card *ac = to_ap_card(&ap_dev->device);
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
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 CEX[45678] 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(aq->card->maxmsgsize);
|
||
|
|
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(aq->card->maxmsgsize);
|
||
|
|
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(aq->card->maxmsgsize);
|
||
|
|
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;
|
||
|
|
dev_set_drvdata(&ap_dev->device, zq);
|
||
|
|
rc = zcrypt_queue_register(zq);
|
||
|
|
if (rc) {
|
||
|
|
zcrypt_queue_free(zq);
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
zcrypt_queue_free(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);
|
||
|
|
zcrypt_queue_free(zq);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is called to remove the CEX[45678] queue driver
|
||
|
|
* information if an AP queue device is removed.
|
||
|
|
*/
|
||
|
|
static void zcrypt_cex4_queue_remove(struct ap_device *ap_dev)
|
||
|
|
{
|
||
|
|
struct zcrypt_queue *zq = dev_get_drvdata(&ap_dev->device);
|
||
|
|
struct ap_queue *aq = to_ap_queue(&ap_dev->device);
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
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);
|