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-rw-r--r--drivers/s390/crypto/zcrypt_api.c231
1 files changed, 0 insertions, 231 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 5df90cd0ecdd..63cfdefe0537 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -18,8 +18,6 @@
#include <linux/interrupt.h>
#include <linux/miscdevice.h>
#include <linux/fs.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
#include <linux/compat.h>
#include <linux/slab.h>
#include <linux/atomic.h>
@@ -739,27 +737,6 @@ static int zcrypt_requestq_count(void)
return requestq_count;
}
-static int zcrypt_count_type(int type)
-{
- struct zcrypt_card *zc;
- struct zcrypt_queue *zq;
- int device_count;
-
- device_count = 0;
- spin_lock(&zcrypt_list_lock);
- for_each_zcrypt_card(zc) {
- if (zc->card->id != type)
- continue;
- for_each_zcrypt_queue(zq, zc) {
- if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index)
- continue;
- device_count++;
- }
- }
- spin_unlock(&zcrypt_list_lock);
- return device_count;
-}
-
static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
@@ -1092,201 +1069,6 @@ static struct miscdevice zcrypt_misc_device = {
.fops = &zcrypt_fops,
};
-/*
- * Deprecated /proc entry support.
- */
-static struct proc_dir_entry *zcrypt_entry;
-
-static void sprintcl(struct seq_file *m, unsigned char *addr, unsigned int len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- seq_printf(m, "%01x", (unsigned int) addr[i]);
- seq_putc(m, ' ');
-}
-
-static void sprintrw(struct seq_file *m, unsigned char *addr, unsigned int len)
-{
- int inl, c, cx;
-
- seq_printf(m, " ");
- inl = 0;
- for (c = 0; c < (len / 16); c++) {
- sprintcl(m, addr+inl, 16);
- inl += 16;
- }
- cx = len%16;
- if (cx) {
- sprintcl(m, addr+inl, cx);
- inl += cx;
- }
- seq_putc(m, '\n');
-}
-
-static void sprinthx(unsigned char *title, struct seq_file *m,
- unsigned char *addr, unsigned int len)
-{
- int inl, r, rx;
-
- seq_printf(m, "\n%s\n", title);
- inl = 0;
- for (r = 0; r < (len / 64); r++) {
- sprintrw(m, addr+inl, 64);
- inl += 64;
- }
- rx = len % 64;
- if (rx) {
- sprintrw(m, addr+inl, rx);
- inl += rx;
- }
- seq_putc(m, '\n');
-}
-
-static void sprinthx4(unsigned char *title, struct seq_file *m,
- unsigned int *array, unsigned int len)
-{
- seq_printf(m, "\n%s\n", title);
- seq_hex_dump(m, " ", DUMP_PREFIX_NONE, 32, 4, array, len, false);
- seq_putc(m, '\n');
-}
-
-static int zcrypt_proc_show(struct seq_file *m, void *v)
-{
- char workarea[sizeof(int) * AP_DEVICES];
-
- seq_printf(m, "\nzcrypt version: %d.%d.%d\n",
- ZCRYPT_VERSION, ZCRYPT_RELEASE, ZCRYPT_VARIANT);
- seq_printf(m, "Cryptographic domain: %d\n", ap_domain_index);
- seq_printf(m, "Total device count: %d\n", zcrypt_device_count);
- seq_printf(m, "PCICA count: %d\n", zcrypt_count_type(ZCRYPT_PCICA));
- seq_printf(m, "PCICC count: %d\n", zcrypt_count_type(ZCRYPT_PCICC));
- seq_printf(m, "PCIXCC MCL2 count: %d\n",
- zcrypt_count_type(ZCRYPT_PCIXCC_MCL2));
- seq_printf(m, "PCIXCC MCL3 count: %d\n",
- zcrypt_count_type(ZCRYPT_PCIXCC_MCL3));
- seq_printf(m, "CEX2C count: %d\n", zcrypt_count_type(ZCRYPT_CEX2C));
- seq_printf(m, "CEX2A count: %d\n", zcrypt_count_type(ZCRYPT_CEX2A));
- seq_printf(m, "CEX3C count: %d\n", zcrypt_count_type(ZCRYPT_CEX3C));
- seq_printf(m, "CEX3A count: %d\n", zcrypt_count_type(ZCRYPT_CEX3A));
- seq_printf(m, "requestq count: %d\n", zcrypt_requestq_count());
- seq_printf(m, "pendingq count: %d\n", zcrypt_pendingq_count());
- seq_printf(m, "Total open handles: %d\n\n",
- atomic_read(&zcrypt_open_count));
- zcrypt_status_mask(workarea);
- sprinthx("Online devices: 1=PCICA 2=PCICC 3=PCIXCC(MCL2) "
- "4=PCIXCC(MCL3) 5=CEX2C 6=CEX2A 7=CEX3C 8=CEX3A",
- m, workarea, AP_DEVICES);
- zcrypt_qdepth_mask(workarea);
- sprinthx("Waiting work element counts", m, workarea, AP_DEVICES);
- zcrypt_perdev_reqcnt((int *) workarea);
- sprinthx4("Per-device successfully completed request counts",
- m, (unsigned int *) workarea, AP_DEVICES);
- return 0;
-}
-
-static int zcrypt_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, zcrypt_proc_show, NULL);
-}
-
-static void zcrypt_disable_card(int index)
-{
- struct zcrypt_card *zc;
- struct zcrypt_queue *zq;
-
- spin_lock(&zcrypt_list_lock);
- for_each_zcrypt_card(zc) {
- for_each_zcrypt_queue(zq, zc) {
- if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index)
- continue;
- zq->online = 0;
- ap_flush_queue(zq->queue);
- }
- }
- spin_unlock(&zcrypt_list_lock);
-}
-
-static void zcrypt_enable_card(int index)
-{
- struct zcrypt_card *zc;
- struct zcrypt_queue *zq;
-
- spin_lock(&zcrypt_list_lock);
- for_each_zcrypt_card(zc) {
- for_each_zcrypt_queue(zq, zc) {
- if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index)
- continue;
- zq->online = 1;
- ap_flush_queue(zq->queue);
- }
- }
- spin_unlock(&zcrypt_list_lock);
-}
-
-static ssize_t zcrypt_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- unsigned char *lbuf, *ptr;
- size_t local_count;
- int j;
-
- if (count <= 0)
- return 0;
-
-#define LBUFSIZE 1200UL
- lbuf = kmalloc(LBUFSIZE, GFP_KERNEL);
- if (!lbuf)
- return 0;
-
- local_count = min(LBUFSIZE - 1, count);
- if (copy_from_user(lbuf, buffer, local_count) != 0) {
- kfree(lbuf);
- return -EFAULT;
- }
- lbuf[local_count] = '\0';
-
- ptr = strstr(lbuf, "Online devices");
- if (!ptr)
- goto out;
- ptr = strstr(ptr, "\n");
- if (!ptr)
- goto out;
- ptr++;
-
- if (strstr(ptr, "Waiting work element counts") == NULL)
- goto out;
-
- for (j = 0; j < 64 && *ptr; ptr++) {
- /*
- * '0' for no device, '1' for PCICA, '2' for PCICC,
- * '3' for PCIXCC_MCL2, '4' for PCIXCC_MCL3,
- * '5' for CEX2C and '6' for CEX2A'
- * '7' for CEX3C and '8' for CEX3A
- */
- if (*ptr >= '0' && *ptr <= '8')
- j++;
- else if (*ptr == 'd' || *ptr == 'D')
- zcrypt_disable_card(j++);
- else if (*ptr == 'e' || *ptr == 'E')
- zcrypt_enable_card(j++);
- else if (*ptr != ' ' && *ptr != '\t')
- break;
- }
-out:
- kfree(lbuf);
- return count;
-}
-
-static const struct file_operations zcrypt_proc_fops = {
- .owner = THIS_MODULE,
- .open = zcrypt_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = zcrypt_proc_write,
-};
-
static int zcrypt_rng_device_count;
static u32 *zcrypt_rng_buffer;
static int zcrypt_rng_buffer_index;
@@ -1388,27 +1170,15 @@ int __init zcrypt_api_init(void)
if (rc)
goto out;
- atomic_set(&zcrypt_rescan_req, 0);
-
/* Register the request sprayer. */
rc = misc_register(&zcrypt_misc_device);
if (rc < 0)
goto out;
- /* Set up the proc file system */
- zcrypt_entry = proc_create("driver/z90crypt", 0644, NULL,
- &zcrypt_proc_fops);
- if (!zcrypt_entry) {
- rc = -ENOMEM;
- goto out_misc;
- }
-
zcrypt_msgtype6_init();
zcrypt_msgtype50_init();
return 0;
-out_misc:
- misc_deregister(&zcrypt_misc_device);
out:
return rc;
}
@@ -1420,7 +1190,6 @@ out:
*/
void __exit zcrypt_api_exit(void)
{
- remove_proc_entry("driver/z90crypt", NULL);
misc_deregister(&zcrypt_misc_device);
zcrypt_msgtype6_exit();
zcrypt_msgtype50_exit();
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-04 03:07:15 +0000