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s390/zcryt: Handle AP configuration changes

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Detect external AP bus configuration changes and request
an AP device rescan.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Holger Dengler
2012-09-10 21:34:26 +02:00
committed by Martin Schwidefsky
parent 745e967a49
commit dabecb2933
6 changed files with 201 additions and 9 deletions
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9
drivers/s390/crypto/zcrypt_api.h
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@@ -29,8 +29,10 @@
#ifndef _ZCRYPT_API_H_
#define _ZCRYPT_API_H_
#include "ap_bus.h"
#include <linux/atomic.h>
#include <asm/debug.h>
#include <asm/zcrypt.h>
#include "ap_bus.h"
/* deprecated status calls */
#define ICAZ90STATUS _IOR(ZCRYPT_IOCTL_MAGIC, 0x10, struct ica_z90_status)
@@ -112,8 +114,13 @@ struct zcrypt_device {
struct ap_message reply; /* Per-device reply structure. */
int max_exp_bit_length;
debug_info_t *dbf_area; /* debugging */
};
/* transport layer rescanning */
extern atomic_t zcrypt_rescan_req;
struct zcrypt_device *zcrypt_device_alloc(size_t);
void zcrypt_device_free(struct zcrypt_device *);
void zcrypt_device_get(struct zcrypt_device *);