Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull  more s390 updates from Martin Schwidefsky:
 "Three notable larger changes next to the usual bug fixing:

   - update the email addresses in MAINTAINERS for the s390 folks to use
     the simpler linux.ibm.com domain instead of the old
     linux.vnet.ibm.com

   - an update for the zcrypt device driver that removes some old and
     obsolete interfaces and add support for up to 256 crypto adapters

   - a rework of the IPL aka boot code"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (23 commits)
  s390: correct nospec auto detection init order
  s390/zcrypt: Support up to 256 crypto adapters.
  s390/zcrypt: Remove deprecated zcrypt proc interface.
  s390/zcrypt: Remove deprecated ioctls.
  s390/zcrypt: Make ap init functions static.
  MAINTAINERS: update s390 maintainers email addresses
  s390/ipl: remove reipl_method and dump_method
  s390/ipl: correct kdump reipl block checksum calculation
  s390/ipl: remove non-existing functions declaration
  s390: assume diag308 set always works
  s390/ipl: avoid adding scpdata to cmdline during ftp/dvd boot
  s390/ipl: correct ipl parmblock valid checks
  s390/ipl: rely on diag308 store to get ipl info
  s390/ipl: move ipl_flags to ipl.c
  s390/ipl: get rid of ipl_ssid and ipl_devno
  s390/ipl: unite diag308 and scsi boot ipl blocks
  s390/ipl: ensure loadparm valid flag is set
  s390/qdio: lock device while installing IRQ handler
  s390/qdio: clear intparm during shutdown
  s390/ccwgroup: require at least one ccw device
  ...

MAINTAINERS

@@ -5843,7 +5843,7 @@ F:	scripts/Makefile.gcc-plugins
 F:	Documentation/gcc-plugins.txt
 
 GCOV BASED KERNEL PROFILING
-M:	Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
+M:	Peter Oberparleiter <oberpar@linux.ibm.com>
 S:	Maintained
 F:	kernel/gcov/
 F:	Documentation/dev-tools/gcov.rst
@@ -7768,7 +7768,7 @@ F:	arch/powerpc/kernel/kvm*
 
 KERNEL VIRTUAL MACHINE for s390 (KVM/s390)
 M:	Christian Borntraeger <borntraeger@de.ibm.com>
-M:	Janosch Frank <frankja@linux.vnet.ibm.com>
+M:	Janosch Frank <frankja@linux.ibm.com>
 R:	David Hildenbrand <david@redhat.com>
 R:	Cornelia Huck <cohuck@redhat.com>
 L:	linux-s390@vger.kernel.org
@@ -12124,16 +12124,16 @@ F:	Documentation/s390/
 F:	Documentation/driver-api/s390-drivers.rst
 
 S390 COMMON I/O LAYER
-M:	Sebastian Ott <sebott@linux.vnet.ibm.com>
-M:	Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
+M:	Sebastian Ott <sebott@linux.ibm.com>
+M:	Peter Oberparleiter <oberpar@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported
 F:	drivers/s390/cio/
 
 S390 DASD DRIVER
-M:	Stefan Haberland <sth@linux.vnet.ibm.com>
-M:	Jan Hoeppner <hoeppner@linux.vnet.ibm.com>
+M:	Stefan Haberland <sth@linux.ibm.com>
+M:	Jan Hoeppner <hoeppner@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported
@@ -12148,8 +12148,8 @@ S:	Supported
 F:	drivers/iommu/s390-iommu.c
 
 S390 IUCV NETWORK LAYER
-M:	Julian Wiedmann <jwi@linux.vnet.ibm.com>
-M:	Ursula Braun <ubraun@linux.vnet.ibm.com>
+M:	Julian Wiedmann <jwi@linux.ibm.com>
+M:	Ursula Braun <ubraun@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported
@@ -12158,15 +12158,15 @@ F:	include/net/iucv/
 F:	net/iucv/
 
 S390 NETWORK DRIVERS
-M:	Julian Wiedmann <jwi@linux.vnet.ibm.com>
-M:	Ursula Braun <ubraun@linux.vnet.ibm.com>
+M:	Julian Wiedmann <jwi@linux.ibm.com>
+M:	Ursula Braun <ubraun@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported
 F:	drivers/s390/net/
 
 S390 PCI SUBSYSTEM
-M:	Sebastian Ott <sebott@linux.vnet.ibm.com>
+M:	Sebastian Ott <sebott@linux.ibm.com>
 M:	Gerald Schaefer <gerald.schaefer@de.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
@@ -12176,8 +12176,8 @@ F:	drivers/pci/hotplug/s390_pci_hpc.c
 
 S390 VFIO-CCW DRIVER
 M:	Cornelia Huck <cohuck@redhat.com>
-M:	Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
-M:	Halil Pasic <pasic@linux.vnet.ibm.com>
+M:	Dong Jia Shi <bjsdjshi@linux.ibm.com>
+M:	Halil Pasic <pasic@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 L:	kvm@vger.kernel.org
 S:	Supported
@@ -12193,8 +12193,8 @@ S:	Supported
 F:	drivers/s390/crypto/
 
 S390 ZFCP DRIVER
-M:	Steffen Maier <maier@linux.vnet.ibm.com>
-M:	Benjamin Block <bblock@linux.vnet.ibm.com>
+M:	Steffen Maier <maier@linux.ibm.com>
+M:	Benjamin Block <bblock@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported
@@ -12630,7 +12630,7 @@ S:	Maintained
 F:	drivers/misc/sgi-xp/
 
 SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
-M:	Ursula Braun <ubraun@linux.vnet.ibm.com>
+M:	Ursula Braun <ubraun@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported
@@ -14965,7 +14965,7 @@ F:	include/uapi/linux/virtio_crypto.h
 
 VIRTIO DRIVERS FOR S390
 M:	Cornelia Huck <cohuck@redhat.com>
-M:	Halil Pasic <pasic@linux.vnet.ibm.com>
+M:	Halil Pasic <pasic@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 L:	virtualization@lists.linux-foundation.org
 L:	kvm@vger.kernel.org

arch/s390/boot/compressed/misc.c

@@ -119,34 +119,12 @@ static void error(char *x)
 	asm volatile("lpsw %0" : : "Q" (psw));
 }
 
-/*
- * Safe guard the ipl parameter block against a memory area that will be
- * overwritten. The validity check for the ipl parameter block is complex
- * (see cio_get_iplinfo and ipl_save_parameters) but if the pointer to
- * the ipl parameter block intersects with the passed memory area we can
- * safely assume that we can read from that memory. In that case just copy
- * the memory to IPL_PARMBLOCK_ORIGIN even if there is no ipl parameter
- * block.
- */
-static void check_ipl_parmblock(void *start, unsigned long size)
-{
-	void *src, *dst;
-
-	src = (void *)(unsigned long) S390_lowcore.ipl_parmblock_ptr;
-	if (src + PAGE_SIZE <= start || src >= start + size)
-		return;
-	dst = (void *) IPL_PARMBLOCK_ORIGIN;
-	memmove(dst, src, PAGE_SIZE);
-	S390_lowcore.ipl_parmblock_ptr = IPL_PARMBLOCK_ORIGIN;
-}
-
 unsigned long decompress_kernel(void)
 {
 	void *output, *kernel_end;
 
 	output = (void *) ALIGN((unsigned long) _end + HEAP_SIZE, PAGE_SIZE);
 	kernel_end = output + SZ__bss_start;
-	check_ipl_parmblock((void *) 0, (unsigned long) kernel_end);
 
 #ifdef CONFIG_BLK_DEV_INITRD
 	/*
@@ -156,7 +134,6 @@ unsigned long decompress_kernel(void)
 	 * current bss section..
 	 */
 	if (INITRD_START && INITRD_SIZE && kernel_end > (void *) INITRD_START) {
-		check_ipl_parmblock(kernel_end, INITRD_SIZE);
 		memmove(kernel_end, (void *) INITRD_START, INITRD_SIZE);
 		INITRD_START = (unsigned long) kernel_end;
 	}

arch/s390/crypto/aes_s390.c

@@ -329,7 +329,7 @@ static void fallback_exit_blk(struct crypto_tfm *tfm)
 static struct crypto_alg ecb_aes_alg = {
 	.cra_name		=	"ecb(aes)",
 	.cra_driver_name	=	"ecb-aes-s390",
-	.cra_priority		=	400,	/* combo: aes + ecb */
+	.cra_priority		=	401,	/* combo: aes + ecb + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER |
 					CRYPTO_ALG_NEED_FALLBACK,
 	.cra_blocksize		=	AES_BLOCK_SIZE,
@@ -426,7 +426,7 @@ static int cbc_aes_decrypt(struct blkcipher_desc *desc,
 static struct crypto_alg cbc_aes_alg = {
 	.cra_name		=	"cbc(aes)",
 	.cra_driver_name	=	"cbc-aes-s390",
-	.cra_priority		=	400,	/* combo: aes + cbc */
+	.cra_priority		=	402,	/* ecb-aes-s390 + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER |
 					CRYPTO_ALG_NEED_FALLBACK,
 	.cra_blocksize		=	AES_BLOCK_SIZE,
@@ -633,7 +633,7 @@ static void xts_fallback_exit(struct crypto_tfm *tfm)
 static struct crypto_alg xts_aes_alg = {
 	.cra_name		=	"xts(aes)",
 	.cra_driver_name	=	"xts-aes-s390",
-	.cra_priority		=	400,	/* combo: aes + xts */
+	.cra_priority		=	402,	/* ecb-aes-s390 + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER |
 					CRYPTO_ALG_NEED_FALLBACK,
 	.cra_blocksize		=	AES_BLOCK_SIZE,
@@ -763,7 +763,7 @@ static int ctr_aes_decrypt(struct blkcipher_desc *desc,
 static struct crypto_alg ctr_aes_alg = {
 	.cra_name		=	"ctr(aes)",
 	.cra_driver_name	=	"ctr-aes-s390",
-	.cra_priority		=	400,	/* combo: aes + ctr */
+	.cra_priority		=	402,	/* ecb-aes-s390 + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER |
 					CRYPTO_ALG_NEED_FALLBACK,
 	.cra_blocksize		=	1,

arch/s390/crypto/paes_s390.c

@@ -138,7 +138,7 @@ static int ecb_paes_decrypt(struct blkcipher_desc *desc,
 static struct crypto_alg ecb_paes_alg = {
 	.cra_name		=	"ecb(paes)",
 	.cra_driver_name	=	"ecb-paes-s390",
-	.cra_priority		=	400,	/* combo: aes + ecb */
+	.cra_priority		=	401,	/* combo: aes + ecb + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	AES_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct s390_paes_ctx),
@@ -241,7 +241,7 @@ static int cbc_paes_decrypt(struct blkcipher_desc *desc,
 static struct crypto_alg cbc_paes_alg = {
 	.cra_name		=	"cbc(paes)",
 	.cra_driver_name	=	"cbc-paes-s390",
-	.cra_priority		=	400,	/* combo: aes + cbc */
+	.cra_priority		=	402,	/* ecb-paes-s390 + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	AES_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct s390_paes_ctx),
@@ -377,7 +377,7 @@ static int xts_paes_decrypt(struct blkcipher_desc *desc,
 static struct crypto_alg xts_paes_alg = {
 	.cra_name		=	"xts(paes)",
 	.cra_driver_name	=	"xts-paes-s390",
-	.cra_priority		=	400,	/* combo: aes + xts */
+	.cra_priority		=	402,	/* ecb-paes-s390 + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	AES_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct s390_pxts_ctx),
@@ -523,7 +523,7 @@ static int ctr_paes_decrypt(struct blkcipher_desc *desc,
 static struct crypto_alg ctr_paes_alg = {
 	.cra_name		=	"ctr(paes)",
 	.cra_driver_name	=	"ctr-paes-s390",
-	.cra_priority		=	400,	/* combo: aes + ctr */
+	.cra_priority		=	402,	/* ecb-paes-s390 + 1 */
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	1,
 	.cra_ctxsize		=	sizeof(struct s390_paes_ctx),

arch/s390/include/asm/ap.h

@@ -20,9 +20,9 @@
  */
 typedef unsigned int ap_qid_t;
 
-#define AP_MKQID(_card, _queue) (((_card) & 63) << 8 | ((_queue) & 255))
-#define AP_QID_CARD(_qid) (((_qid) >> 8) & 63)
-#define AP_QID_QUEUE(_qid) ((_qid) & 255)
+#define AP_MKQID(_card, _queue) (((_card) & 0xff) << 8 | ((_queue) & 0xff))
+#define AP_QID_CARD(_qid) (((_qid) >> 8) & 0xff)
+#define AP_QID_QUEUE(_qid) ((_qid) & 0xff)
 
 /**
  * struct ap_queue_status - Holds the AP queue status.

arch/s390/include/asm/cio.h

@@ -328,16 +328,6 @@ static inline u8 pathmask_to_pos(u8 mask)
 void channel_subsystem_reinit(void);
 extern void css_schedule_reprobe(void);
 
-extern void reipl_ccw_dev(struct ccw_dev_id *id);
-
-struct cio_iplinfo {
-	u8 ssid;
-	u16 devno;
-	int is_qdio;
-};
-
-extern int cio_get_iplinfo(struct cio_iplinfo *iplinfo);
-
 /* Function from drivers/s390/cio/chsc.c */
 int chsc_sstpc(void *page, unsigned int op, u16 ctrl, u64 *clock_delta);
 int chsc_sstpi(void *page, void *result, size_t size);

arch/s390/include/asm/ipl.h

@@ -15,8 +15,6 @@
 
 #define NSS_NAME_SIZE	8
 
-#define IPL_PARMBLOCK_ORIGIN	0x2000
-
 #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
 			      sizeof(struct ipl_block_fcp))
 
@@ -29,10 +27,6 @@
 
 #define IPL_MAX_SUPPORTED_VERSION (0)
 
-#define IPL_PARMBLOCK_START	((struct ipl_parameter_block *) \
-				 IPL_PARMBLOCK_ORIGIN)
-#define IPL_PARMBLOCK_SIZE	(IPL_PARMBLOCK_START->hdr.len)
-
 struct ipl_list_hdr {
 	u32 len;
 	u8  reserved1[3];
@@ -83,33 +77,21 @@ struct ipl_parameter_block {
 	union {
 		struct ipl_block_fcp fcp;
 		struct ipl_block_ccw ccw;
+		char raw[PAGE_SIZE - sizeof(struct ipl_list_hdr)];
 	} ipl_info;
 } __packed __aligned(PAGE_SIZE);
 
-/*
- * IPL validity flags
- */
-extern u32 ipl_flags;
-
 struct save_area;
 struct save_area * __init save_area_alloc(bool is_boot_cpu);
 struct save_area * __init save_area_boot_cpu(void);
 void __init save_area_add_regs(struct save_area *, void *regs);
 void __init save_area_add_vxrs(struct save_area *, __vector128 *vxrs);
 
-extern void do_reipl(void);
-extern void do_halt(void);
-extern void do_poff(void);
-extern void ipl_verify_parameters(void);
-extern void ipl_update_parameters(void);
+extern void s390_reset_system(void);
+extern void ipl_store_parameters(void);
 extern size_t append_ipl_vmparm(char *, size_t);
 extern size_t append_ipl_scpdata(char *, size_t);
 
-enum {
-	IPL_DEVNO_VALID		= 1,
-	IPL_PARMBLOCK_VALID	= 2,
-};
-
 enum ipl_type {
 	IPL_TYPE_UNKNOWN	= 1,
 	IPL_TYPE_CCW		= 2,
@@ -138,6 +120,7 @@ struct ipl_info
 
 extern struct ipl_info ipl_info;
 extern void setup_ipl(void);
+extern void set_os_info_reipl_block(void);
 
 /*
  * DIAG 308 support

arch/s390/include/asm/nospec-branch.h

@@ -9,6 +9,7 @@
 extern int nospec_disable;
 
 void nospec_init_branches(void);
+void nospec_auto_detect(void);
 void nospec_revert(s32 *start, s32 *end);
 
 #endif /* __ASSEMBLY__ */

arch/s390/include/asm/reset.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- *    Copyright IBM Corp. 2006
- *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
- */
-
-#ifndef _ASM_S390_RESET_H
-#define _ASM_S390_RESET_H
-
-#include <linux/list.h>
-
-struct reset_call {
-	struct list_head list;
-	void (*fn)(void);
-};
-
-extern void register_reset_call(struct reset_call *reset);
-extern void unregister_reset_call(struct reset_call *reset);
-extern void s390_reset_system(void);
-#endif /* _ASM_S390_RESET_H */

arch/s390/include/uapi/asm/zcrypt.h

@@ -203,9 +203,9 @@ struct ep11_urb {
 } __attribute__((packed));
 
 /**
- * struct zcrypt_device_status
+ * struct zcrypt_device_status_ext
  * @hwtype:		raw hardware type
- * @qid:		6 bit device index, 8 bit domain
+ * @qid:		8 bit device index, 8 bit domain
  * @functions:		AP device function bit field 'abcdef'
  *			a, b, c = reserved
  *			d = CCA coprocessor
@@ -214,28 +214,23 @@ struct ep11_urb {
  * @online		online status
  * @reserved		reserved
  */
-struct zcrypt_device_status {
+struct zcrypt_device_status_ext {
 	unsigned int hwtype:8;
-	unsigned int qid:14;
+	unsigned int qid:16;
 	unsigned int online:1;
 	unsigned int functions:6;
-	unsigned int reserved:3;
+	unsigned int reserved:1;
 };
 
-#define MAX_ZDEV_CARDIDS 64
-#define MAX_ZDEV_DOMAINS 256
+#define MAX_ZDEV_CARDIDS_EXT 256
+#define MAX_ZDEV_DOMAINS_EXT 256
 
-/**
- * Maximum number of zcrypt devices
- */
-#define MAX_ZDEV_ENTRIES (MAX_ZDEV_CARDIDS * MAX_ZDEV_DOMAINS)
+/* Maximum number of zcrypt devices */
+#define MAX_ZDEV_ENTRIES_EXT (MAX_ZDEV_CARDIDS_EXT * MAX_ZDEV_DOMAINS_EXT)
 
-/**
- * zcrypt_device_matrix
- * Device matrix of all zcrypt devices
- */
-struct zcrypt_device_matrix {
-	struct zcrypt_device_status device[MAX_ZDEV_ENTRIES];
+/* Device matrix of all zcrypt devices */
+struct zcrypt_device_matrix_ext {
+	struct zcrypt_device_status_ext device[MAX_ZDEV_ENTRIES_EXT];
 };
 
 #define AUTOSELECT ((unsigned int)0xFFFFFFFF)
@@ -270,71 +265,35 @@ struct zcrypt_device_matrix {
  *   ZSENDEP11CPRB
  *     Send an arbitrary EP11 CPRB to an EP11 coprocessor crypto card.
  *
- *   Z90STAT_STATUS_MASK
- *     Return an 64 element array of unsigned chars for the status of
- *     all devices.
+ *   ZCRYPT_DEVICE_STATUS
+ *     The given struct zcrypt_device_matrix_ext is updated with
+ *     status information for each currently known apqn.
+ *
+ *   ZCRYPT_STATUS_MASK
+ *     Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned chars for the
+ *     status of all devices.
  *	 0x01: PCICA
  *	 0x02: PCICC
  *	 0x03: PCIXCC_MCL2
  *	 0x04: PCIXCC_MCL3
  *	 0x05: CEX2C
  *	 0x06: CEX2A
- *	 0x0d: device is disabled via the proc filesystem
- *
- *   Z90STAT_QDEPTH_MASK
- *     Return an 64 element array of unsigned chars for the queue
- *     depth of all devices.
- *
- *   Z90STAT_PERDEV_REQCNT
- *     Return an 64 element array of unsigned integers for the number
- *     of successfully completed requests per device since the device
- *     was detected and made available.
- *
- *   Z90STAT_REQUESTQ_COUNT
- *     Return an integer count of the number of entries waiting to be
- *     sent to a device.
- *
- *   Z90STAT_PENDINGQ_COUNT
- *     Return an integer count of the number of entries sent to all
- *     devices awaiting the reply.
- *
- *   Z90STAT_TOTALOPEN_COUNT
- *     Return an integer count of the number of open file handles.
- *
- *   Z90STAT_DOMAIN_INDEX
- *     Return the integer value of the Cryptographic Domain.
- *
- *   The following ioctls are deprecated and should be no longer used:
- *
- *   Z90STAT_TOTALCOUNT
- *     Return an integer count of all device types together.
- *
- *   Z90STAT_PCICACOUNT
- *     Return an integer count of all PCICAs.
- *
- *   Z90STAT_PCICCCOUNT
- *     Return an integer count of all PCICCs.
- *
- *   Z90STAT_PCIXCCMCL2COUNT
- *     Return an integer count of all MCL2 PCIXCCs.
- *
- *   Z90STAT_PCIXCCMCL3COUNT
- *     Return an integer count of all MCL3 PCIXCCs.
- *
- *   Z90STAT_CEX2CCOUNT
- *     Return an integer count of all CEX2Cs.
+ *	 0x07: CEX3C
+ *	 0x08: CEX3A
+ *	 0x0a: CEX4
+ *	 0x0b: CEX5
+ *	 0x0c: CEX6
+ *	 0x0d: device is disabled
  *
- *   Z90STAT_CEX2ACOUNT
- *     Return an integer count of all CEX2As.
+ *   ZCRYPT_QDEPTH_MASK
+ *     Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned chars for the
+ *     queue depth of all devices.
  *
- *   ICAZ90STATUS
- *     Return some device driver status in a ica_z90_status struct
- *     This takes an ica_z90_status struct as its arg.
+ *   ZCRYPT_PERDEV_REQCNT
+ *     Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned integers for
+ *     the number of successfully completed requests per device since the
+ *     device was detected and made available.
  *
- *   Z90STAT_PCIXCCCOUNT
- *     Return an integer count of all PCIXCCs (MCL2 + MCL3).
- *     This is DEPRECATED now that MCL3 PCIXCCs are treated differently from
- *     MCL2 PCIXCCs.
  */
 
 /**
@@ -344,22 +303,56 @@ struct zcrypt_device_matrix {
 #define ICARSACRT	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
 #define ZSECSENDCPRB	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
 #define ZSENDEP11CPRB	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0)
-#define ZDEVICESTATUS	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0)
 
-/* New status calls */
-#define Z90STAT_TOTALCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int)
-#define Z90STAT_PCICACOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x41, int)
-#define Z90STAT_PCICCCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x42, int)
-#define Z90STAT_PCIXCCMCL2COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4b, int)
-#define Z90STAT_PCIXCCMCL3COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4c, int)
-#define Z90STAT_CEX2CCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4d, int)
-#define Z90STAT_CEX2ACOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4e, int)
+#define ZCRYPT_DEVICE_STATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x5f, 0)
+#define ZCRYPT_STATUS_MASK   _IOR(ZCRYPT_IOCTL_MAGIC, 0x58, char[MAX_ZDEV_CARDIDS_EXT])
+#define ZCRYPT_QDEPTH_MASK   _IOR(ZCRYPT_IOCTL_MAGIC, 0x59, char[MAX_ZDEV_CARDIDS_EXT])
+#define ZCRYPT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x5a, int[MAX_ZDEV_CARDIDS_EXT])
+
+/*
+ * Only deprecated defines, structs and ioctls below this line.
+ */
+
+/* Deprecated: use MAX_ZDEV_CARDIDS_EXT */
+#define MAX_ZDEV_CARDIDS 64
+/* Deprecated: use MAX_ZDEV_DOMAINS_EXT */
+#define MAX_ZDEV_DOMAINS 256
+
+/* Deprecated: use MAX_ZDEV_ENTRIES_EXT */
+#define MAX_ZDEV_ENTRIES (MAX_ZDEV_CARDIDS * MAX_ZDEV_DOMAINS)
+
+/* Deprecated: use struct zcrypt_device_status_ext */
+struct zcrypt_device_status {
+	unsigned int hwtype:8;
+	unsigned int qid:14;
+	unsigned int online:1;
+	unsigned int functions:6;
+	unsigned int reserved:3;
+};
+
+/* Deprecated: use struct zcrypt_device_matrix_ext */
+struct zcrypt_device_matrix {
+	struct zcrypt_device_status device[MAX_ZDEV_ENTRIES];
+};
+
+/* Deprecated: use ZCRYPT_DEVICE_STATUS */
+#define ZDEVICESTATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0)
+/* Deprecated: use ZCRYPT_STATUS_MASK */
+#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
+/* Deprecated: use ZCRYPT_QDEPTH_MASK */
+#define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64])
+/* Deprecated: use ZCRYPT_PERDEV_REQCNT */
+#define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64])
+
+/* Deprecated: use sysfs to query these values */
 #define Z90STAT_REQUESTQ_COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int)
 #define Z90STAT_PENDINGQ_COUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int)
 #define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int)
 #define Z90STAT_DOMAIN_INDEX	_IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int)
-#define Z90STAT_STATUS_MASK	_IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
-#define Z90STAT_QDEPTH_MASK	_IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64])
-#define Z90STAT_PERDEV_REQCNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64])
+
+/*
+ * The ioctl number ranges 0x40 - 0x42 and 0x4b - 0x4e had been used in the
+ * past, don't assign new ioctls for these.
+ */
 
 #endif /* __ASM_S390_ZCRYPT_H */

arch/s390/kernel/compat_signal.c

@@ -279,7 +279,7 @@ static int setup_frame32(struct ksignal *ksig, sigset_t *set,
 	if (put_compat_sigset((compat_sigset_t __user *)frame->sc.oldmask,
 			      set, sizeof(compat_sigset_t)))
 		return -EFAULT;
-	if (__put_user(ptr_to_compat(&frame->sc), &frame->sc.sregs))
+	if (__put_user(ptr_to_compat(&frame->sregs), &frame->sc.sregs))
 		return -EFAULT;
 
 	/* Store registers needed to create the signal frame */

arch/s390/kernel/early.c

@@ -342,16 +342,6 @@ static __init void memmove_early(void *dst, const void *src, size_t n)
 	S390_lowcore.program_new_psw = old;
 }
 
-static __init noinline void ipl_save_parameters(void)
-{
-	void *src, *dst;
-
-	src = (void *)(unsigned long) S390_lowcore.ipl_parmblock_ptr;
-	dst = (void *) IPL_PARMBLOCK_ORIGIN;
-	memmove_early(dst, src, PAGE_SIZE);
-	S390_lowcore.ipl_parmblock_ptr = IPL_PARMBLOCK_ORIGIN;
-}
-
 static __init noinline void rescue_initrd(void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
@@ -421,10 +411,8 @@ static void __init setup_boot_command_line(void)
 void __init startup_init(void)
 {
 	reset_tod_clock();
-	ipl_save_parameters();
 	rescue_initrd();
 	clear_bss_section();
-	ipl_verify_parameters();
 	time_early_init();
 	init_kernel_storage_key();
 	lockdep_off();
@@ -432,7 +420,7 @@ void __init startup_init(void)
 	setup_facility_list();
 	detect_machine_type();
 	setup_arch_string();
-	ipl_update_parameters();
+	ipl_store_parameters();
 	setup_boot_command_line();
 	detect_diag9c();
 	detect_diag44();

arch/s390/kernel/ipl.c

@@ -24,9 +24,7 @@
 #include <asm/smp.h>
 #include <asm/setup.h>
 #include <asm/cpcmd.h>
-#include <asm/cio.h>
 #include <asm/ebcdic.h>
-#include <asm/reset.h>
 #include <asm/sclp.h>
 #include <asm/checksum.h>
 #include <asm/debug.h>
@@ -119,39 +117,12 @@ static char *dump_type_str(enum dump_type type)
 	}
 }
 
-static u8 ipl_ssid;
-static u16 ipl_devno;
-u32 ipl_flags;
-
-enum ipl_method {
-	REIPL_METHOD_CCW_CIO,
-	REIPL_METHOD_CCW_DIAG,
-	REIPL_METHOD_CCW_VM,
-	REIPL_METHOD_FCP_RO_DIAG,
-	REIPL_METHOD_FCP_RW_DIAG,
-	REIPL_METHOD_FCP_RO_VM,
-	REIPL_METHOD_FCP_DUMP,
-	REIPL_METHOD_NSS,
-	REIPL_METHOD_NSS_DIAG,
-	REIPL_METHOD_DEFAULT,
-};
-
-enum dump_method {
-	DUMP_METHOD_NONE,
-	DUMP_METHOD_CCW_CIO,
-	DUMP_METHOD_CCW_DIAG,
-	DUMP_METHOD_CCW_VM,
-	DUMP_METHOD_FCP_DIAG,
-};
-
-static int diag308_set_works;
-
+static int ipl_block_valid;
 static struct ipl_parameter_block ipl_block;
 
 static int reipl_capabilities = IPL_TYPE_UNKNOWN;
 
 static enum ipl_type reipl_type = IPL_TYPE_UNKNOWN;
-static enum ipl_method reipl_method = REIPL_METHOD_DEFAULT;
 static struct ipl_parameter_block *reipl_block_fcp;
 static struct ipl_parameter_block *reipl_block_ccw;
 static struct ipl_parameter_block *reipl_block_nss;
@@ -159,7 +130,6 @@ static struct ipl_parameter_block *reipl_block_actual;
 
 static int dump_capabilities = DUMP_TYPE_NONE;
 static enum dump_type dump_type = DUMP_TYPE_NONE;
-static enum dump_method dump_method = DUMP_METHOD_NONE;
 static struct ipl_parameter_block *dump_block_fcp;
 static struct ipl_parameter_block *dump_block_ccw;
 
@@ -260,33 +230,25 @@ static struct kobj_attribute sys_##_prefix##_##_name##_attr =		\
 			sys_##_prefix##_##_name##_show,			\
 			sys_##_prefix##_##_name##_store)
 
-static void make_attrs_ro(struct attribute **attrs)
-{
-	while (*attrs) {
-		(*attrs)->mode = S_IRUGO;
-		attrs++;
-	}
-}
-
 /*
  * ipl section
  */
 
 static __init enum ipl_type get_ipl_type(void)
 {
-	struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
-
-	if (!(ipl_flags & IPL_DEVNO_VALID))
+	if (!ipl_block_valid)
 		return IPL_TYPE_UNKNOWN;
-	if (!(ipl_flags & IPL_PARMBLOCK_VALID))
+
+	switch (ipl_block.hdr.pbt) {
+	case DIAG308_IPL_TYPE_CCW:
 		return IPL_TYPE_CCW;
-	if (ipl->hdr.version > IPL_MAX_SUPPORTED_VERSION)
-		return IPL_TYPE_UNKNOWN;
-	if (ipl->hdr.pbt != DIAG308_IPL_TYPE_FCP)
-		return IPL_TYPE_UNKNOWN;
-	if (ipl->ipl_info.fcp.opt == DIAG308_IPL_OPT_DUMP)
-		return IPL_TYPE_FCP_DUMP;
-	return IPL_TYPE_FCP;
+	case DIAG308_IPL_TYPE_FCP:
+		if (ipl_block.ipl_info.fcp.opt == DIAG308_IPL_OPT_DUMP)
+			return IPL_TYPE_FCP_DUMP;
+		else
+			return IPL_TYPE_FCP;
+	}
+	return IPL_TYPE_UNKNOWN;
 }
 
 struct ipl_info ipl_info;
@@ -338,7 +300,7 @@ size_t append_ipl_vmparm(char *dest, size_t size)
 	size_t rc;
 
 	rc = 0;
-	if (diag308_set_works && (ipl_block.hdr.pbt == DIAG308_IPL_TYPE_CCW))
+	if (ipl_block_valid && ipl_block.hdr.pbt == DIAG308_IPL_TYPE_CCW)
 		rc = reipl_get_ascii_vmparm(dest, size, &ipl_block);
 	else
 		dest[0] = 0;
@@ -401,7 +363,7 @@ size_t append_ipl_scpdata(char *dest, size_t len)
 	size_t rc;
 
 	rc = 0;
-	if (ipl_block.hdr.pbt == DIAG308_IPL_TYPE_FCP)
+	if (ipl_block_valid && ipl_block.hdr.pbt == DIAG308_IPL_TYPE_FCP)
 		rc = reipl_append_ascii_scpdata(dest, len, &ipl_block);
 	else
 		dest[0] = 0;
@@ -415,14 +377,14 @@ static struct kobj_attribute sys_ipl_vm_parm_attr =
 static ssize_t sys_ipl_device_show(struct kobject *kobj,
 				   struct kobj_attribute *attr, char *page)
 {
-	struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
-
 	switch (ipl_info.type) {
 	case IPL_TYPE_CCW:
-		return sprintf(page, "0.%x.%04x\n", ipl_ssid, ipl_devno);
+		return sprintf(page, "0.%x.%04x\n", ipl_block.ipl_info.ccw.ssid,
+			       ipl_block.ipl_info.ccw.devno);
 	case IPL_TYPE_FCP:
 	case IPL_TYPE_FCP_DUMP:
-		return sprintf(page, "0.0.%04x\n", ipl->ipl_info.fcp.devno);
+		return sprintf(page, "0.0.%04x\n",
+			       ipl_block.ipl_info.fcp.devno);
 	default:
 		return 0;
 	}
@@ -435,8 +397,8 @@ static ssize_t ipl_parameter_read(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *attr, char *buf,
 				  loff_t off, size_t count)
 {
-	return memory_read_from_buffer(buf, count, &off, IPL_PARMBLOCK_START,
-					IPL_PARMBLOCK_SIZE);
+	return memory_read_from_buffer(buf, count, &off, &ipl_block,
+				       ipl_block.hdr.len);
 }
 static struct bin_attribute ipl_parameter_attr =
 	__BIN_ATTR(binary_parameter, S_IRUGO, ipl_parameter_read, NULL,
@@ -446,8 +408,8 @@ static ssize_t ipl_scp_data_read(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *attr, char *buf,
 				 loff_t off, size_t count)
 {
-	unsigned int size = IPL_PARMBLOCK_START->ipl_info.fcp.scp_data_len;
-	void *scp_data = &IPL_PARMBLOCK_START->ipl_info.fcp.scp_data;
+	unsigned int size = ipl_block.ipl_info.fcp.scp_data_len;
+	void *scp_data = &ipl_block.ipl_info.fcp.scp_data;
 
 	return memory_read_from_buffer(buf, count, &off, scp_data, size);
 }
@@ -462,14 +424,14 @@ static struct bin_attribute *ipl_fcp_bin_attrs[] = {
 
 /* FCP ipl device attributes */
 
-DEFINE_IPL_ATTR_RO(ipl_fcp, wwpn, "0x%016llx\n", (unsigned long long)
-		   IPL_PARMBLOCK_START->ipl_info.fcp.wwpn);
-DEFINE_IPL_ATTR_RO(ipl_fcp, lun, "0x%016llx\n", (unsigned long long)
-		   IPL_PARMBLOCK_START->ipl_info.fcp.lun);
-DEFINE_IPL_ATTR_RO(ipl_fcp, bootprog, "%lld\n", (unsigned long long)
-		   IPL_PARMBLOCK_START->ipl_info.fcp.bootprog);
-DEFINE_IPL_ATTR_RO(ipl_fcp, br_lba, "%lld\n", (unsigned long long)
-		   IPL_PARMBLOCK_START->ipl_info.fcp.br_lba);
+DEFINE_IPL_ATTR_RO(ipl_fcp, wwpn, "0x%016llx\n",
+		   (unsigned long long)ipl_block.ipl_info.fcp.wwpn);
+DEFINE_IPL_ATTR_RO(ipl_fcp, lun, "0x%016llx\n",
+		   (unsigned long long)ipl_block.ipl_info.fcp.lun);
+DEFINE_IPL_ATTR_RO(ipl_fcp, bootprog, "%lld\n",
+		   (unsigned long long)ipl_block.ipl_info.fcp.bootprog);
+DEFINE_IPL_ATTR_RO(ipl_fcp, br_lba, "%lld\n",
+		   (unsigned long long)ipl_block.ipl_info.fcp.br_lba);
 
 static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj,
 				     struct kobj_attribute *attr, char *page)
@@ -545,10 +507,6 @@ static void __ipl_run(void *unused)
 {
 	__bpon();
 	diag308(DIAG308_LOAD_CLEAR, NULL);
-	if (MACHINE_IS_VM)
-		__cpcmd("IPL", NULL, 0, NULL);
-	else if (ipl_info.type == IPL_TYPE_CCW)
-		reipl_ccw_dev(&ipl_info.data.ccw.dev_id);
 }
 
 static void ipl_run(struct shutdown_trigger *trigger)
@@ -776,6 +734,7 @@ static ssize_t reipl_generic_loadparm_store(struct ipl_parameter_block *ipb,
 	/* copy and convert to ebcdic */
 	memcpy(ipb->hdr.loadparm, buf, lp_len);
 	ASCEBC(ipb->hdr.loadparm, LOADPARM_LEN);
+	ipb->hdr.flags |= DIAG308_FLAGS_LP_VALID;
 	return len;
 }
 
@@ -938,11 +897,10 @@ static struct attribute_group reipl_nss_attr_group = {
 	.attrs = reipl_nss_attrs,
 };
 
-static void set_reipl_block_actual(struct ipl_parameter_block *reipl_block)
+void set_os_info_reipl_block(void)
 {
-	reipl_block_actual = reipl_block;
 	os_info_entry_add(OS_INFO_REIPL_BLOCK, reipl_block_actual,
-			  reipl_block->hdr.len);
+			  reipl_block_actual->hdr.len);
 }
 
 /* reipl type */
@@ -954,38 +912,16 @@ static int reipl_set_type(enum ipl_type type)
 
 	switch(type) {
 	case IPL_TYPE_CCW:
-		if (diag308_set_works)
-			reipl_method = REIPL_METHOD_CCW_DIAG;
-		else if (MACHINE_IS_VM)
-			reipl_method = REIPL_METHOD_CCW_VM;
-		else
-			reipl_method = REIPL_METHOD_CCW_CIO;
-		set_reipl_block_actual(reipl_block_ccw);
+		reipl_block_actual = reipl_block_ccw;
 		break;
 	case IPL_TYPE_FCP:
-		if (diag308_set_works)
-			reipl_method = REIPL_METHOD_FCP_RW_DIAG;
-		else if (MACHINE_IS_VM)
-			reipl_method = REIPL_METHOD_FCP_RO_VM;
-		else
-			reipl_method = REIPL_METHOD_FCP_RO_DIAG;
-		set_reipl_block_actual(reipl_block_fcp);
-		break;
-	case IPL_TYPE_FCP_DUMP:
-		reipl_method = REIPL_METHOD_FCP_DUMP;
+		reipl_block_actual = reipl_block_fcp;
 		break;
 	case IPL_TYPE_NSS:
-		if (diag308_set_works)
-			reipl_method = REIPL_METHOD_NSS_DIAG;
-		else
-			reipl_method = REIPL_METHOD_NSS;
-		set_reipl_block_actual(reipl_block_nss);
-		break;
-	case IPL_TYPE_UNKNOWN:
-		reipl_method = REIPL_METHOD_DEFAULT;
+		reipl_block_actual = reipl_block_nss;
 		break;
 	default:
-		BUG();
+		break;
 	}
 	reipl_type = type;
 	return 0;
@@ -1018,77 +954,25 @@ static struct kobj_attribute reipl_type_attr =
 static struct kset *reipl_kset;
 static struct kset *reipl_fcp_kset;
 
-static void get_ipl_string(char *dst, struct ipl_parameter_block *ipb,
-			   const enum ipl_method m)
-{
-	char loadparm[LOADPARM_LEN + 1] = {};
-	char vmparm[DIAG308_VMPARM_SIZE + 1] = {};
-	char nss_name[NSS_NAME_SIZE + 1] = {};
-	size_t pos = 0;
-
-	reipl_get_ascii_loadparm(loadparm, ipb);
-	reipl_get_ascii_nss_name(nss_name, ipb);
-	reipl_get_ascii_vmparm(vmparm, sizeof(vmparm), ipb);
-
-	switch (m) {
-	case REIPL_METHOD_CCW_VM:
-		pos = sprintf(dst, "IPL %X CLEAR", ipb->ipl_info.ccw.devno);
-		break;
-	case REIPL_METHOD_NSS:
-		pos = sprintf(dst, "IPL %s", nss_name);
-		break;
-	default:
-		break;
-	}
-	if (strlen(loadparm) > 0)
-		pos += sprintf(dst + pos, " LOADPARM '%s'", loadparm);
-	if (strlen(vmparm) > 0)
-		sprintf(dst + pos, " PARM %s", vmparm);
-}
-
 static void __reipl_run(void *unused)
 {
-	struct ccw_dev_id devid;
-	static char buf[128];
-
-	switch (reipl_method) {
-	case REIPL_METHOD_CCW_CIO:
-		devid.ssid  = reipl_block_ccw->ipl_info.ccw.ssid;
-		devid.devno = reipl_block_ccw->ipl_info.ccw.devno;
-		reipl_ccw_dev(&devid);
-		break;
-	case REIPL_METHOD_CCW_VM:
-		get_ipl_string(buf, reipl_block_ccw, REIPL_METHOD_CCW_VM);
-		__cpcmd(buf, NULL, 0, NULL);
-		break;
-	case REIPL_METHOD_CCW_DIAG:
+	switch (reipl_type) {
+	case IPL_TYPE_CCW:
 		diag308(DIAG308_SET, reipl_block_ccw);
 		diag308(DIAG308_LOAD_CLEAR, NULL);
 		break;
-	case REIPL_METHOD_FCP_RW_DIAG:
+	case IPL_TYPE_FCP:
 		diag308(DIAG308_SET, reipl_block_fcp);
 		diag308(DIAG308_LOAD_CLEAR, NULL);
 		break;
-	case REIPL_METHOD_FCP_RO_DIAG:
-		diag308(DIAG308_LOAD_CLEAR, NULL);
-		break;
-	case REIPL_METHOD_FCP_RO_VM:
-		__cpcmd("IPL", NULL, 0, NULL);
-		break;
-	case REIPL_METHOD_NSS_DIAG:
+	case IPL_TYPE_NSS:
 		diag308(DIAG308_SET, reipl_block_nss);
 		diag308(DIAG308_LOAD_CLEAR, NULL);
 		break;
-	case REIPL_METHOD_NSS:
-		get_ipl_string(buf, reipl_block_nss, REIPL_METHOD_NSS);
-		__cpcmd(buf, NULL, 0, NULL);
-		break;
-	case REIPL_METHOD_DEFAULT:
-		if (MACHINE_IS_VM)
-			__cpcmd("IPL", NULL, 0, NULL);
+	case IPL_TYPE_UNKNOWN:
 		diag308(DIAG308_LOAD_CLEAR, NULL);
 		break;
-	case REIPL_METHOD_FCP_DUMP:
+	case IPL_TYPE_FCP_DUMP:
 		break;
 	}
 	disabled_wait((unsigned long) __builtin_return_address(0));
@@ -1119,7 +1003,7 @@ static void reipl_block_ccw_fill_parms(struct ipl_parameter_block *ipb)
 	ipb->hdr.flags = DIAG308_FLAGS_LP_VALID;
 
 	/* VM PARM */
-	if (MACHINE_IS_VM && diag308_set_works &&
+	if (MACHINE_IS_VM && ipl_block_valid &&
 	    (ipl_block.ipl_info.ccw.vm_flags & DIAG308_VM_FLAGS_VP_VALID)) {
 
 		ipb->ipl_info.ccw.vm_flags |= DIAG308_VM_FLAGS_VP_VALID;
@@ -1141,9 +1025,6 @@ static int __init reipl_nss_init(void)
 	if (!reipl_block_nss)
 		return -ENOMEM;
 
-	if (!diag308_set_works)
-		sys_reipl_nss_vmparm_attr.attr.mode = S_IRUGO;
-
 	rc = sysfs_create_group(&reipl_kset->kobj, &reipl_nss_attr_group);
 	if (rc)
 		return rc;
@@ -1161,24 +1042,16 @@ static int __init reipl_ccw_init(void)
 	if (!reipl_block_ccw)
 		return -ENOMEM;
 
-	if (MACHINE_IS_VM) {
-		if (!diag308_set_works)
-			sys_reipl_ccw_vmparm_attr.attr.mode = S_IRUGO;
-		rc = sysfs_create_group(&reipl_kset->kobj,
-					&reipl_ccw_attr_group_vm);
-	} else {
-		if(!diag308_set_works)
-			sys_reipl_ccw_loadparm_attr.attr.mode = S_IRUGO;
-		rc = sysfs_create_group(&reipl_kset->kobj,
-					&reipl_ccw_attr_group_lpar);
-	}
+	rc = sysfs_create_group(&reipl_kset->kobj,
+				MACHINE_IS_VM ? &reipl_ccw_attr_group_vm
+					      : &reipl_ccw_attr_group_lpar);
 	if (rc)
 		return rc;
 
 	reipl_block_ccw_init(reipl_block_ccw);
 	if (ipl_info.type == IPL_TYPE_CCW) {
-		reipl_block_ccw->ipl_info.ccw.ssid = ipl_ssid;
-		reipl_block_ccw->ipl_info.ccw.devno = ipl_devno;
+		reipl_block_ccw->ipl_info.ccw.ssid = ipl_block.ipl_info.ccw.ssid;
+		reipl_block_ccw->ipl_info.ccw.devno = ipl_block.ipl_info.ccw.devno;
 		reipl_block_ccw_fill_parms(reipl_block_ccw);
 	}
 
@@ -1190,14 +1063,6 @@ static int __init reipl_fcp_init(void)
 {
 	int rc;
 
-	if (!diag308_set_works) {
-		if (ipl_info.type == IPL_TYPE_FCP) {
-			make_attrs_ro(reipl_fcp_attrs);
-			sys_reipl_fcp_scp_data_attr.attr.mode = S_IRUGO;
-		} else
-			return 0;
-	}
-
 	reipl_block_fcp = (void *) get_zeroed_page(GFP_KERNEL);
 	if (!reipl_block_fcp)
 		return -ENOMEM;
@@ -1218,7 +1083,7 @@ static int __init reipl_fcp_init(void)
 	}
 
 	if (ipl_info.type == IPL_TYPE_FCP) {
-		memcpy(reipl_block_fcp, IPL_PARMBLOCK_START, PAGE_SIZE);
+		memcpy(reipl_block_fcp, &ipl_block, sizeof(ipl_block));
 		/*
 		 * Fix loadparm: There are systems where the (SCSI) LOADPARM
 		 * is invalid in the SCSI IPL parameter block, so take it
@@ -1340,21 +1205,6 @@ static int dump_set_type(enum dump_type type)
 {
 	if (!(dump_capabilities & type))
 		return -EINVAL;
-	switch (type) {
-	case DUMP_TYPE_CCW:
-		if (diag308_set_works)
-			dump_method = DUMP_METHOD_CCW_DIAG;
-		else if (MACHINE_IS_VM)
-			dump_method = DUMP_METHOD_CCW_VM;
-		else
-			dump_method = DUMP_METHOD_CCW_CIO;
-		break;
-	case DUMP_TYPE_FCP:
-		dump_method = DUMP_METHOD_FCP_DIAG;
-		break;
-	default:
-		dump_method = DUMP_METHOD_NONE;
-	}
 	dump_type = type;
 	return 0;
 }
@@ -1397,25 +1247,11 @@ static void diag308_dump(void *dump_block)
 
 static void __dump_run(void *unused)
 {
-	struct ccw_dev_id devid;
-	static char buf[100];
-
-	switch (dump_method) {
-	case DUMP_METHOD_CCW_CIO:
-		devid.ssid  = dump_block_ccw->ipl_info.ccw.ssid;
-		devid.devno = dump_block_ccw->ipl_info.ccw.devno;
-		reipl_ccw_dev(&devid);
-		break;
-	case DUMP_METHOD_CCW_VM:
-		sprintf(buf, "STORE STATUS");
-		__cpcmd(buf, NULL, 0, NULL);
-		sprintf(buf, "IPL %X", dump_block_ccw->ipl_info.ccw.devno);
-		__cpcmd(buf, NULL, 0, NULL);
-		break;
-	case DUMP_METHOD_CCW_DIAG:
+	switch (dump_type) {
+	case DUMP_TYPE_CCW:
 		diag308_dump(dump_block_ccw);
 		break;
-	case DUMP_METHOD_FCP_DIAG:
+	case DUMP_TYPE_FCP:
 		diag308_dump(dump_block_fcp);
 		break;
 	default:
@@ -1425,7 +1261,7 @@ static void __dump_run(void *unused)
 
 static void dump_run(struct shutdown_trigger *trigger)
 {
-	if (dump_method == DUMP_METHOD_NONE)
+	if (dump_type == DUMP_TYPE_NONE)
 		return;
 	smp_send_stop();
 	smp_call_ipl_cpu(__dump_run, NULL);
@@ -1457,8 +1293,6 @@ static int __init dump_fcp_init(void)
 
 	if (!sclp_ipl_info.has_dump)
 		return 0; /* LDIPL DUMP is not installed */
-	if (!diag308_set_works)
-		return 0;
 	dump_block_fcp = (void *) get_zeroed_page(GFP_KERNEL);
 	if (!dump_block_fcp)
 		return -ENOMEM;
@@ -1516,18 +1350,9 @@ static void dump_reipl_run(struct shutdown_trigger *trigger)
 	dump_run(trigger);
 }
 
-static int __init dump_reipl_init(void)
-{
-	if (!diag308_set_works)
-		return -EOPNOTSUPP;
-	else
-		return 0;
-}
-
 static struct shutdown_action __refdata dump_reipl_action = {
 	.name	= SHUTDOWN_ACTION_DUMP_REIPL_STR,
 	.fn	= dump_reipl_run,
-	.init	= dump_reipl_init,
 };
 
 /*
@@ -1838,10 +1663,8 @@ static int __init s390_ipl_init(void)
 	 * case the system is booted from HMC. Fortunately in this case
 	 * READ SCP info provides the correct value.
 	 */
-	if (memcmp(sclp_ipl_info.loadparm, str, sizeof(str)) == 0 &&
-	    diag308_set_works)
-		memcpy(sclp_ipl_info.loadparm, ipl_block.hdr.loadparm,
-		       LOADPARM_LEN);
+	if (memcmp(sclp_ipl_info.loadparm, str, sizeof(str)) == 0 && ipl_block_valid)
+		memcpy(sclp_ipl_info.loadparm, ipl_block.hdr.loadparm, LOADPARM_LEN);
 	shutdown_actions_init();
 	shutdown_triggers_init();
 	return 0;
@@ -1921,19 +1744,20 @@ static struct notifier_block on_panic_nb = {
 
 void __init setup_ipl(void)
 {
+	BUILD_BUG_ON(sizeof(struct ipl_parameter_block) != PAGE_SIZE);
+
 	ipl_info.type = get_ipl_type();
 	switch (ipl_info.type) {
 	case IPL_TYPE_CCW:
-		ipl_info.data.ccw.dev_id.ssid = ipl_ssid;
-		ipl_info.data.ccw.dev_id.devno = ipl_devno;
+		ipl_info.data.ccw.dev_id.ssid = ipl_block.ipl_info.ccw.ssid;
+		ipl_info.data.ccw.dev_id.devno = ipl_block.ipl_info.ccw.devno;
 		break;
 	case IPL_TYPE_FCP:
 	case IPL_TYPE_FCP_DUMP:
 		ipl_info.data.fcp.dev_id.ssid = 0;
-		ipl_info.data.fcp.dev_id.devno =
-			IPL_PARMBLOCK_START->ipl_info.fcp.devno;
-		ipl_info.data.fcp.wwpn = IPL_PARMBLOCK_START->ipl_info.fcp.wwpn;
-		ipl_info.data.fcp.lun = IPL_PARMBLOCK_START->ipl_info.fcp.lun;
+		ipl_info.data.fcp.dev_id.devno = ipl_block.ipl_info.fcp.devno;
+		ipl_info.data.fcp.wwpn = ipl_block.ipl_info.fcp.wwpn;
+		ipl_info.data.fcp.lun = ipl_block.ipl_info.fcp.lun;
 		break;
 	case IPL_TYPE_NSS:
 	case IPL_TYPE_UNKNOWN:
@@ -1943,85 +1767,21 @@ void __init setup_ipl(void)
 	atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb);
 }
 
-void __init ipl_update_parameters(void)
+void __init ipl_store_parameters(void)
 {
 	int rc;
 
 	rc = diag308(DIAG308_STORE, &ipl_block);
-	if ((rc == DIAG308_RC_OK) || (rc == DIAG308_RC_NOCONFIG))
-		diag308_set_works = 1;
-}
-
-void __init ipl_verify_parameters(void)
-{
-	struct cio_iplinfo iplinfo;
-
-	if (cio_get_iplinfo(&iplinfo))
-		return;
-
-	ipl_ssid = iplinfo.ssid;
-	ipl_devno = iplinfo.devno;
-	ipl_flags |= IPL_DEVNO_VALID;
-	if (!iplinfo.is_qdio)
-		return;
-	ipl_flags |= IPL_PARMBLOCK_VALID;
-}
-
-static LIST_HEAD(rcall);
-static DEFINE_MUTEX(rcall_mutex);
-
-void register_reset_call(struct reset_call *reset)
-{
-	mutex_lock(&rcall_mutex);
-	list_add(&reset->list, &rcall);
-	mutex_unlock(&rcall_mutex);
-}
-EXPORT_SYMBOL_GPL(register_reset_call);
-
-void unregister_reset_call(struct reset_call *reset)
-{
-	mutex_lock(&rcall_mutex);
-	list_del(&reset->list);
-	mutex_unlock(&rcall_mutex);
-}
-EXPORT_SYMBOL_GPL(unregister_reset_call);
-
-static void do_reset_calls(void)
-{
-	struct reset_call *reset;
-
-	if (diag308_set_works) {
-		diag308_reset();
-		return;
-	}
-	list_for_each_entry(reset, &rcall, list)
-		reset->fn();
+	if (rc == DIAG308_RC_OK && ipl_block.hdr.version <= IPL_MAX_SUPPORTED_VERSION)
+		ipl_block_valid = 1;
 }
 
 void s390_reset_system(void)
 {
-	struct lowcore *lc;
-
-	lc = (struct lowcore *)(unsigned long) store_prefix();
-
-	/* Stack for interrupt/machine check handler */
-	lc->panic_stack = S390_lowcore.panic_stack;
-
 	/* Disable prefixing */
 	set_prefix(0);
 
 	/* Disable lowcore protection */
-	__ctl_clear_bit(0,28);
-
-	/* Set new machine check handler */
-	S390_lowcore.mcck_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_DAT;
-	S390_lowcore.mcck_new_psw.addr =
-		(unsigned long) s390_base_mcck_handler;
-
-	/* Set new program check handler */
-	S390_lowcore.program_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_DAT;
-	S390_lowcore.program_new_psw.addr =
-		(unsigned long) s390_base_pgm_handler;
-
-	do_reset_calls();
+	__ctl_clear_bit(0, 28);
+	diag308_reset();
 }

arch/s390/kernel/machine_kexec.c

@@ -20,7 +20,6 @@
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/smp.h>
-#include <asm/reset.h>
 #include <asm/ipl.h>
 #include <asm/diag.h>
 #include <asm/elf.h>
@@ -253,6 +252,7 @@ void machine_shutdown(void)
 
 void machine_crash_shutdown(struct pt_regs *regs)
 {
+	set_os_info_reipl_block();
 }
 
 /*

arch/s390/kernel/nospec-branch.c

@@ -72,7 +72,7 @@ static int __init nospectre_v2_setup_early(char *str)
 }
 early_param("nospectre_v2", nospectre_v2_setup_early);
 
-static int __init spectre_v2_auto_early(void)
+void __init nospec_auto_detect(void)
 {
 	if (IS_ENABLED(CC_USING_EXPOLINE)) {
 		/*
@@ -87,11 +87,7 @@ static int __init spectre_v2_auto_early(void)
 	 * nobp setting decides what is done, this depends on the
 	 * CONFIG_KERNEL_NP option and the nobp/nospec parameters.
 	 */
-	return 0;
 }
-#ifdef CONFIG_EXPOLINE_AUTO
-early_initcall(spectre_v2_auto_early);
-#endif
 
 static int __init spectre_v2_setup_early(char *str)
 {
@@ -102,7 +98,7 @@ static int __init spectre_v2_setup_early(char *str)
 	if (str && !strncmp(str, "off", 3))
 		nospec_disable = 1;
 	if (str && !strncmp(str, "auto", 4))
-		spectre_v2_auto_early();
+		nospec_auto_detect();
 	return 0;
 }
 early_param("spectre_v2", spectre_v2_setup_early);

arch/s390/kernel/reipl.S

@@ -75,90 +75,3 @@ ENTRY(store_status)
 	.align	8
 .Lclkcmp:	.quad	0x0000000000000000
 	.previous
-
-#
-# do_reipl_asm
-# Parameter: r2 = schid of reipl device
-#
-
-ENTRY(do_reipl_asm)
-		basr	%r13,0
-.Lpg0:		lpswe	.Lnewpsw-.Lpg0(%r13)
-.Lpg1:		lgr	%r3,%r2
-		larl	%r2,.Lstatus
-		brasl	%r14,store_status
-
-.Lstatus:	lctlg	%c6,%c6,.Lall-.Lpg0(%r13)
-		lgr	%r1,%r2
-		mvc	__LC_PGM_NEW_PSW(16),.Lpcnew-.Lpg0(%r13)
-		stsch	.Lschib-.Lpg0(%r13)
-		oi	.Lschib+5-.Lpg0(%r13),0x84
-.Lecs:		xi	.Lschib+27-.Lpg0(%r13),0x01
-		msch	.Lschib-.Lpg0(%r13)
-		lghi	%r0,5
-.Lssch:		ssch	.Liplorb-.Lpg0(%r13)
-		jz	.L001
-		brct	%r0,.Lssch
-		bas	%r14,.Ldisab-.Lpg0(%r13)
-.L001:		mvc	__LC_IO_NEW_PSW(16),.Lionew-.Lpg0(%r13)
-.Ltpi:		lpswe	.Lwaitpsw-.Lpg0(%r13)
-.Lcont:		c	%r1,__LC_SUBCHANNEL_ID
-		jnz	.Ltpi
-		clc	__LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13)
-		jnz	.Ltpi
-		tsch	.Liplirb-.Lpg0(%r13)
-		tm	.Liplirb+9-.Lpg0(%r13),0xbf
-		jz	.L002
-		bas	%r14,.Ldisab-.Lpg0(%r13)
-.L002:		tm	.Liplirb+8-.Lpg0(%r13),0xf3
-		jz	.L003
-		bas	%r14,.Ldisab-.Lpg0(%r13)
-.L003:		st	%r1,__LC_SUBCHANNEL_ID
-		lhi	%r1,0		 # mode 0 = esa
-		slr	%r0,%r0		 # set cpuid to zero
-		sigp	%r1,%r0,SIGP_SET_ARCHITECTURE # switch to esa mode
-		lpsw	0
-.Ldisab:	sll	%r14,1
-		srl	%r14,1		 # need to kill hi bit to avoid specification exceptions.
-		st	%r14,.Ldispsw+12-.Lpg0(%r13)
-		lpswe	.Ldispsw-.Lpg0(%r13)
-		.align	8
-.Lall:		.quad	0x00000000ff000000
-		.align	16
-/*
- * These addresses have to be 31 bit otherwise
- * the sigp will throw a specifcation exception
- * when switching to ESA mode as bit 31 be set
- * in the ESA psw.
- * Bit 31 of the addresses has to be 0 for the
- * 31bit lpswe instruction a fact they appear to have
- * omitted from the pop.
- */
-.Lnewpsw:	.quad	0x0000000080000000
-		.quad	.Lpg1
-.Lpcnew:	.quad	0x0000000080000000
-		.quad	.Lecs
-.Lionew:	.quad	0x0000000080000000
-		.quad	.Lcont
-.Lwaitpsw:	.quad	0x0202000080000000
-		.quad	.Ltpi
-.Ldispsw:	.quad	0x0002000080000000
-		.quad	0x0000000000000000
-.Liplccws:	.long	0x02000000,0x60000018
-		.long	0x08000008,0x20000001
-.Liplorb:	.long	0x0049504c,0x0040ff80
-		.long	0x00000000+.Liplccws
-.Lschib:	.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-.Liplirb:	.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000
-		.long	0x00000000,0x00000000

arch/s390/kernel/relocate_kernel.S

@@ -29,33 +29,6 @@
 ENTRY(relocate_kernel)
 		basr	%r13,0		# base address
 	.base:
-		stctg	%c0,%c15,ctlregs-.base(%r13)
-		stmg	%r0,%r15,gprregs-.base(%r13)
-		lghi	%r0,3
-		sllg	%r0,%r0,31
-		stg	%r0,0x1d0(%r0)
-		la	%r0,.back_pgm-.base(%r13)
-		stg	%r0,0x1d8(%r0)
-		la	%r1,load_psw-.base(%r13)
-		mvc	0(8,%r0),0(%r1)
-		la	%r0,.back-.base(%r13)
-		st	%r0,4(%r0)
-		oi	4(%r0),0x80
-		lghi	%r0,0
-		diag	%r0,%r0,0x308
-	.back:
-		lhi	%r1,1		# mode 1 = esame
-		sigp	%r1,%r0,SIGP_SET_ARCHITECTURE # switch to esame mode
-		sam64			# switch to 64 bit addressing mode
-		basr	%r13,0
-	.back_base:
-		oi	have_diag308-.back_base(%r13),0x01
-		lctlg	%c0,%c15,ctlregs-.back_base(%r13)
-		lmg	%r0,%r15,gprregs-.back_base(%r13)
-		j	.top
-	.back_pgm:
-		lmg	%r0,%r15,gprregs-.base(%r13)
-	.top:
 		lghi	%r7,PAGE_SIZE	# load PAGE_SIZE in r7
 		lghi	%r9,PAGE_SIZE	# load PAGE_SIZE in r9
 		lg	%r5,0(%r2)	# read another word for indirection page
@@ -64,55 +37,36 @@ ENTRY(relocate_kernel)
 		je	.indir_check	# NO, goto "indir_check"
 		lgr	%r6,%r5		# r6 = r5
 		nill	%r6,0xf000	# mask it out and...
-		j	.top		# ...next iteration
+		j	.base		# ...next iteration
 	.indir_check:
 		tml	%r5,0x2		# is it a indirection page?
 		je	.done_test	# NO, goto "done_test"
 		nill	%r5,0xf000	# YES, mask out,
 		lgr	%r2,%r5		# move it into the right register,
-		j	.top		# and read next...
+		j	.base		# and read next...
 	.done_test:
 		tml	%r5,0x4		# is it the done indicator?
 		je	.source_test	# NO! Well, then it should be the source indicator...
 		j	.done		# ok, lets finish it here...
 	.source_test:
 		tml	%r5,0x8		# it should be a source indicator...
-		je	.top		# NO, ignore it...
+		je	.base		# NO, ignore it...
 		lgr	%r8,%r5		# r8 = r5
 		nill	%r8,0xf000	# masking
 	0:	mvcle	%r6,%r8,0x0	# copy PAGE_SIZE bytes from r8 to r6 - pad with 0
 		jo	0b
-		j	.top
+		j	.base
 	.done:
 		sgr	%r0,%r0		# clear register r0
 		la	%r4,load_psw-.base(%r13)	# load psw-address into the register
 		o	%r3,4(%r4)	# or load address into psw
 		st	%r3,4(%r4)
 		mvc	0(8,%r0),0(%r4)	# copy psw to absolute address 0
-		tm	have_diag308-.base(%r13),0x01
-		jno	.no_diag308
 		diag	%r0,%r0,0x308
-	.no_diag308:
-		sam31			# 31 bit mode
-		sr	%r1,%r1		# erase register r1
-		sr	%r2,%r2		# erase register r2
-		sigp	%r1,%r2,SIGP_SET_ARCHITECTURE # set cpuid to zero
-		lpsw	0		# hopefully start new kernel...
 
 		.align	8
 	load_psw:
 		.long	0x00080000,0x80000000
-	ctlregs:
-		.rept	16
-		.quad	0
-		.endr
-	gprregs:
-		.rept	16
-		.quad	0
-		.endr
-	have_diag308:
-		.byte	0
-		.align	8
 	relocate_kernel_end:
 	.align 8
 	.globl	relocate_kernel_len

arch/s390/kernel/setup.c

@@ -894,6 +894,9 @@ void __init setup_arch(char **cmdline_p)
 	init_mm.end_data = (unsigned long) _edata;
 	init_mm.brk = (unsigned long) _end;
 
+	if (IS_ENABLED(CONFIG_EXPOLINE_AUTO))
+		nospec_auto_detect();
+
 	parse_early_param();
 #ifdef CONFIG_CRASH_DUMP
 	/* Deactivate elfcorehdr= kernel parameter */

drivers/s390/cio/ccwgroup.c

@@ -323,6 +323,9 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv,
 	struct ccw_dev_id dev_id;
 	int rc, i;
 
+	if (num_devices < 1)
+		return -EINVAL;
+
 	gdev = kzalloc(sizeof(*gdev) + num_devices * sizeof(gdev->cdev[0]),
 		       GFP_KERNEL);
 	if (!gdev)
@@ -375,7 +378,7 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv,
 		goto error;
 	}
 	/* Check if the devices are bound to the required ccw driver. */
-	if (gdev->count && gdrv && gdrv->ccw_driver &&
+	if (gdrv && gdrv->ccw_driver &&
 	    gdev->cdev[0]->drv != gdrv->ccw_driver) {
 		rc = -EINVAL;
 		goto error;

drivers/s390/cio/cio.c

@@ -25,7 +25,6 @@
 #include <asm/irq.h>
 #include <asm/irq_regs.h>
 #include <asm/setup.h>
-#include <asm/reset.h>
 #include <asm/ipl.h>
 #include <asm/chpid.h>
 #include <asm/airq.h>
@@ -767,262 +766,6 @@ void cio_register_early_subchannels(void)
 }
 #endif /* CONFIG_CCW_CONSOLE */
 
-static int
-__disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)
-{
-	int retry, cc;
-
-	cc = 0;
-	for (retry=0;retry<3;retry++) {
-		schib->pmcw.ena = 0;
-		cc = msch(schid, schib);
-		if (cc)
-			return (cc==3?-ENODEV:-EBUSY);
-		if (stsch(schid, schib) || !css_sch_is_valid(schib))
-			return -ENODEV;
-		if (!schib->pmcw.ena)
-			return 0;
-	}
-	return -EBUSY; /* uhm... */
-}
-
-static int
-__clear_io_subchannel_easy(struct subchannel_id schid)
-{
-	int retry;
-
-	if (csch(schid))
-		return -ENODEV;
-	for (retry=0;retry<20;retry++) {
-		struct tpi_info ti;
-
-		if (tpi(&ti)) {
-			tsch(ti.schid, this_cpu_ptr(&cio_irb));
-			if (schid_equal(&ti.schid, &schid))
-				return 0;
-		}
-		udelay_simple(100);
-	}
-	return -EBUSY;
-}
-
-static void __clear_chsc_subchannel_easy(void)
-{
-	/* It seems we can only wait for a bit here :/ */
-	udelay_simple(100);
-}
-
-static int pgm_check_occured;
-
-static void cio_reset_pgm_check_handler(void)
-{
-	pgm_check_occured = 1;
-}
-
-static int stsch_reset(struct subchannel_id schid, struct schib *addr)
-{
-	int rc;
-
-	pgm_check_occured = 0;
-	s390_base_pgm_handler_fn = cio_reset_pgm_check_handler;
-	rc = stsch(schid, addr);
-	s390_base_pgm_handler_fn = NULL;
-
-	/* The program check handler could have changed pgm_check_occured. */
-	barrier();
-
-	if (pgm_check_occured)
-		return -EIO;
-	else
-		return rc;
-}
-
-static int __shutdown_subchannel_easy(struct subchannel_id schid, void *data)
-{
-	struct schib schib;
-
-	if (stsch_reset(schid, &schib))
-		return -ENXIO;
-	if (!schib.pmcw.ena)
-		return 0;
-	switch(__disable_subchannel_easy(schid, &schib)) {
-	case 0:
-	case -ENODEV:
-		break;
-	default: /* -EBUSY */
-		switch (schib.pmcw.st) {
-		case SUBCHANNEL_TYPE_IO:
-			if (__clear_io_subchannel_easy(schid))
-				goto out; /* give up... */
-			break;
-		case SUBCHANNEL_TYPE_CHSC:
-			__clear_chsc_subchannel_easy();
-			break;
-		default:
-			/* No default clear strategy */
-			break;
-		}
-		stsch(schid, &schib);
-		__disable_subchannel_easy(schid, &schib);
-	}
-out:
-	return 0;
-}
-
-static atomic_t chpid_reset_count;
-
-static void s390_reset_chpids_mcck_handler(void)
-{
-	struct crw crw;
-	union mci mci;
-
-	/* Check for pending channel report word. */
-	mci.val = S390_lowcore.mcck_interruption_code;
-	if (!mci.cp)
-		return;
-	/* Process channel report words. */
-	while (stcrw(&crw) == 0) {
-		/* Check for responses to RCHP. */
-		if (crw.slct && crw.rsc == CRW_RSC_CPATH)
-			atomic_dec(&chpid_reset_count);
-	}
-}
-
-#define RCHP_TIMEOUT (30 * USEC_PER_SEC)
-static void css_reset(void)
-{
-	int i, ret;
-	unsigned long long timeout;
-	struct chp_id chpid;
-
-	/* Reset subchannels. */
-	for_each_subchannel(__shutdown_subchannel_easy,  NULL);
-	/* Reset channel paths. */
-	s390_base_mcck_handler_fn = s390_reset_chpids_mcck_handler;
-	/* Enable channel report machine checks. */
-	__ctl_set_bit(14, 28);
-	/* Temporarily reenable machine checks. */
-	local_mcck_enable();
-	chp_id_init(&chpid);
-	for (i = 0; i <= __MAX_CHPID; i++) {
-		chpid.id = i;
-		ret = rchp(chpid);
-		if ((ret == 0) || (ret == 2))
-			/*
-			 * rchp either succeeded, or another rchp is already
-			 * in progress. In either case, we'll get a crw.
-			 */
-			atomic_inc(&chpid_reset_count);
-	}
-	/* Wait for machine check for all channel paths. */
-	timeout = get_tod_clock_fast() + (RCHP_TIMEOUT << 12);
-	while (atomic_read(&chpid_reset_count) != 0) {
-		if (get_tod_clock_fast() > timeout)
-			break;
-		cpu_relax();
-	}
-	/* Disable machine checks again. */
-	local_mcck_disable();
-	/* Disable channel report machine checks. */
-	__ctl_clear_bit(14, 28);
-	s390_base_mcck_handler_fn = NULL;
-}
-
-static struct reset_call css_reset_call = {
-	.fn = css_reset,
-};
-
-static int __init init_css_reset_call(void)
-{
-	atomic_set(&chpid_reset_count, 0);
-	register_reset_call(&css_reset_call);
-	return 0;
-}
-
-arch_initcall(init_css_reset_call);
-
-struct sch_match_id {
-	struct subchannel_id schid;
-	struct ccw_dev_id devid;
-	int rc;
-};
-
-static int __reipl_subchannel_match(struct subchannel_id schid, void *data)
-{
-	struct schib schib;
-	struct sch_match_id *match_id = data;
-
-	if (stsch_reset(schid, &schib))
-		return -ENXIO;
-	if ((schib.pmcw.st == SUBCHANNEL_TYPE_IO) && schib.pmcw.dnv &&
-	    (schib.pmcw.dev == match_id->devid.devno) &&
-	    (schid.ssid == match_id->devid.ssid)) {
-		match_id->schid = schid;
-		match_id->rc = 0;
-		return 1;
-	}
-	return 0;
-}
-
-static int reipl_find_schid(struct ccw_dev_id *devid,
-			    struct subchannel_id *schid)
-{
-	struct sch_match_id match_id;
-
-	match_id.devid = *devid;
-	match_id.rc = -ENODEV;
-	for_each_subchannel(__reipl_subchannel_match, &match_id);
-	if (match_id.rc == 0)
-		*schid = match_id.schid;
-	return match_id.rc;
-}
-
-extern void do_reipl_asm(__u32 schid);
-
-/* Make sure all subchannels are quiet before we re-ipl an lpar. */
-void reipl_ccw_dev(struct ccw_dev_id *devid)
-{
-	struct subchannel_id uninitialized_var(schid);
-
-	s390_reset_system();
-	if (reipl_find_schid(devid, &schid) != 0)
-		panic("IPL Device not found\n");
-	do_reipl_asm(*((__u32*)&schid));
-}
-
-int __init cio_get_iplinfo(struct cio_iplinfo *iplinfo)
-{
-	static struct chsc_sda_area sda_area __initdata;
-	struct subchannel_id schid;
-	struct schib schib;
-
-	schid = *(struct subchannel_id *)&S390_lowcore.subchannel_id;
-	if (!schid.one)
-		return -ENODEV;
-
-	if (schid.ssid) {
-		/*
-		 * Firmware should have already enabled MSS but whoever started
-		 * the kernel might have initiated a channel subsystem reset.
-		 * Ensure that MSS is enabled.
-		 */
-		memset(&sda_area, 0, sizeof(sda_area));
-		if (__chsc_enable_facility(&sda_area, CHSC_SDA_OC_MSS))
-			return -ENODEV;
-	}
-	if (stsch(schid, &schib))
-		return -ENODEV;
-	if (schib.pmcw.st != SUBCHANNEL_TYPE_IO)
-		return -ENODEV;
-	if (!schib.pmcw.dnv)
-		return -ENODEV;
-
-	iplinfo->ssid = schid.ssid;
-	iplinfo->devno = schib.pmcw.dev;
-	iplinfo->is_qdio = schib.pmcw.qf;
-	return 0;
-}
-
 /**
  * cio_tm_start_key - perform start function
  * @sch: subchannel on which to perform the start function

drivers/s390/cio/ioasm.c

@@ -183,30 +183,6 @@ int chsc(void *chsc_area)
 }
 EXPORT_SYMBOL(chsc);
 
-static inline int __rchp(struct chp_id chpid)
-{
-	register struct chp_id reg1 asm ("1") = chpid;
-	int ccode;
-
-	asm volatile(
-		"	lr	1,%1\n"
-		"	rchp\n"
-		"	ipm	%0\n"
-		"	srl	%0,28"
-		: "=d" (ccode) : "d" (reg1) : "cc");
-	return ccode;
-}
-
-int rchp(struct chp_id chpid)
-{
-	int ccode;
-
-	ccode = __rchp(chpid);
-	trace_s390_cio_rchp(chpid, ccode);
-
-	return ccode;
-}
-
 static inline int __rsch(struct subchannel_id schid)
 {
 	register struct subchannel_id reg1 asm("1") = schid;

drivers/s390/cio/ioasm.h

@@ -20,7 +20,6 @@ int ssch(struct subchannel_id schid, union orb *addr);
 int csch(struct subchannel_id schid);
 int tpi(struct tpi_info *addr);
 int chsc(void *chsc_area);
-int rchp(struct chp_id chpid);
 int rsch(struct subchannel_id schid);
 int hsch(struct subchannel_id schid);
 int xsch(struct subchannel_id schid);

drivers/s390/cio/qdio_main.c

@@ -1207,8 +1207,10 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
 	qdio_shutdown_thinint(irq_ptr);
 
 	/* restore interrupt handler */
-	if ((void *)cdev->handler == (void *)qdio_int_handler)
+	if ((void *)cdev->handler == (void *)qdio_int_handler) {
 		cdev->handler = irq_ptr->orig_handler;
+		cdev->private->intparm = 0;
+	}
 	spin_unlock_irq(get_ccwdev_lock(cdev));
 
 	qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);

drivers/s390/cio/qdio_setup.c

@@ -507,8 +507,10 @@ int qdio_setup_irq(struct qdio_initialize *init_data)
 	irq_ptr->aqueue = *ciw;
 
 	/* set new interrupt handler */
+	spin_lock_irq(get_ccwdev_lock(irq_ptr->cdev));
 	irq_ptr->orig_handler = init_data->cdev->handler;
 	init_data->cdev->handler = qdio_int_handler;
+	spin_unlock_irq(get_ccwdev_lock(irq_ptr->cdev));
 	return 0;
 out_err:
 	qdio_release_memory(irq_ptr);

drivers/s390/crypto/ap_bus.c

@@ -25,7 +25,6 @@
 #include <linux/kthread.h>
 #include <linux/mutex.h>
 #include <linux/suspend.h>
-#include <asm/reset.h>
 #include <asm/airq.h>
 #include <linux/atomic.h>
 #include <asm/isc.h>
@@ -1197,26 +1196,7 @@ static void ap_config_timeout(struct timer_list *unused)
 	queue_work(system_long_wq, &ap_scan_work);
 }
 
-static void ap_reset_all(void)
-{
-	int i, j;
-
-	for (i = 0; i < AP_DOMAINS; i++) {
-		if (!ap_test_config_domain(i))
-			continue;
-		for (j = 0; j < AP_DEVICES; j++) {
-			if (!ap_test_config_card_id(j))
-				continue;
-			ap_rapq(AP_MKQID(j, i));
-		}
-	}
-}
-
-static struct reset_call ap_reset_call = {
-	.fn = ap_reset_all,
-};
-
-int __init ap_debug_init(void)
+static int __init ap_debug_init(void)
 {
 	ap_dbf_info = debug_register("ap", 1, 1,
 				     DBF_MAX_SPRINTF_ARGS * sizeof(long));
@@ -1226,17 +1206,12 @@ int __init ap_debug_init(void)
 	return 0;
 }
 
-void ap_debug_exit(void)
-{
-	debug_unregister(ap_dbf_info);
-}
-
 /**
  * ap_module_init(): The module initialization code.
  *
  * Initializes the module.
  */
-int __init ap_module_init(void)
+static int __init ap_module_init(void)
 {
 	int max_domain_id;
 	int rc, i;
@@ -1274,8 +1249,6 @@ int __init ap_module_init(void)
 		ap_airq_flag = (rc == 0);
 	}
 
-	register_reset_call(&ap_reset_call);
-
 	/* Create /sys/bus/ap. */
 	rc = bus_register(&ap_bus_type);
 	if (rc)
@@ -1331,7 +1304,6 @@ int __init ap_module_init(void)
 		bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
 	bus_unregister(&ap_bus_type);
 out:
-	unregister_reset_call(&ap_reset_call);
 	if (ap_using_interrupts())
 		unregister_adapter_interrupt(&ap_airq);
 	kfree(ap_configuration);

drivers/s390/crypto/ap_bus.h

@@ -17,7 +17,7 @@
 #include <linux/types.h>
 #include <asm/ap.h>
 
-#define AP_DEVICES 64		/* Number of AP devices. */
+#define AP_DEVICES 256		/* Number of AP devices. */
 #define AP_DOMAINS 256		/* Number of AP domains. */
 #define AP_RESET_TIMEOUT (HZ*0.7)	/* Time in ticks for reset timeouts. */
 #define AP_CONFIG_TIME 30	/* Time in seconds between AP bus rescans. */
@@ -240,7 +240,4 @@ void ap_queue_resume(struct ap_device *ap_dev);
 struct ap_card *ap_card_create(int id, int queue_depth, int raw_device_type,
 			       int comp_device_type, unsigned int functions);
 
-int ap_module_init(void);
-void ap_module_exit(void);
-
 #endif /* _AP_BUS_H_ */

drivers/s390/crypto/ap_debug.h

@@ -23,7 +23,4 @@
 
 extern debug_info_t *ap_dbf_info;
 
-int ap_debug_init(void);
-void ap_debug_exit(void);
-
 #endif /* AP_DEBUG_H */

drivers/s390/crypto/pkey_api.c

@@ -889,7 +889,7 @@ int pkey_findcard(const struct pkey_seckey *seckey,
 		  u16 *pcardnr, u16 *pdomain, int verify)
 {
 	struct secaeskeytoken *t = (struct secaeskeytoken *) seckey;
-	struct zcrypt_device_matrix *device_matrix;
+	struct zcrypt_device_status_ext *device_status;
 	u16 card, dom;
 	u64 mkvp[2];
 	int i, rc, oi = -1;
@@ -899,18 +899,19 @@ int pkey_findcard(const struct pkey_seckey *seckey,
 		return -EINVAL;
 
 	/* fetch status of all crypto cards */
-	device_matrix = kmalloc(sizeof(struct zcrypt_device_matrix),
+	device_status = kmalloc(MAX_ZDEV_ENTRIES_EXT
+				* sizeof(struct zcrypt_device_status_ext),
 				GFP_KERNEL);
-	if (!device_matrix)
+	if (!device_status)
 		return -ENOMEM;
-	zcrypt_device_status_mask(device_matrix);
+	zcrypt_device_status_mask_ext(device_status);
 
 	/* walk through all crypto cards */
-	for (i = 0; i < MAX_ZDEV_ENTRIES; i++) {
-		card = AP_QID_CARD(device_matrix->device[i].qid);
-		dom = AP_QID_QUEUE(device_matrix->device[i].qid);
-		if (device_matrix->device[i].online &&
-		    device_matrix->device[i].functions & 0x04) {
+	for (i = 0; i < MAX_ZDEV_ENTRIES_EXT; i++) {
+		card = AP_QID_CARD(device_status[i].qid);
+		dom = AP_QID_QUEUE(device_status[i].qid);
+		if (device_status[i].online &&
+		    device_status[i].functions & 0x04) {
 			/* an enabled CCA Coprocessor card */
 			/* try cached mkvp */
 			if (mkvp_cache_fetch(card, dom, mkvp) == 0 &&
@@ -930,14 +931,14 @@ int pkey_findcard(const struct pkey_seckey *seckey,
 			mkvp_cache_scrub(card, dom);
 		}
 	}
-	if (i >= MAX_ZDEV_ENTRIES) {
+	if (i >= MAX_ZDEV_ENTRIES_EXT) {
 		/* nothing found, so this time without cache */
-		for (i = 0; i < MAX_ZDEV_ENTRIES; i++) {
-			if (!(device_matrix->device[i].online &&
-			      device_matrix->device[i].functions & 0x04))
+		for (i = 0; i < MAX_ZDEV_ENTRIES_EXT; i++) {
+			if (!(device_status[i].online &&
+			      device_status[i].functions & 0x04))
 				continue;
-			card = AP_QID_CARD(device_matrix->device[i].qid);
-			dom = AP_QID_QUEUE(device_matrix->device[i].qid);
+			card = AP_QID_CARD(device_status[i].qid);
+			dom = AP_QID_QUEUE(device_status[i].qid);
 			/* fresh fetch mkvp from adapter */
 			if (fetch_mkvp(card, dom, mkvp) == 0) {
 				mkvp_cache_update(card, dom, mkvp);
@@ -947,13 +948,13 @@ int pkey_findcard(const struct pkey_seckey *seckey,
 					oi = i;
 			}
 		}
-		if (i >= MAX_ZDEV_ENTRIES && oi >= 0) {
+		if (i >= MAX_ZDEV_ENTRIES_EXT && oi >= 0) {
 			/* old mkvp matched, use this card then */
-			card = AP_QID_CARD(device_matrix->device[oi].qid);
-			dom = AP_QID_QUEUE(device_matrix->device[oi].qid);
+			card = AP_QID_CARD(device_status[oi].qid);
+			dom = AP_QID_QUEUE(device_status[oi].qid);
 		}
 	}
-	if (i < MAX_ZDEV_ENTRIES || oi >= 0) {
+	if (i < MAX_ZDEV_ENTRIES_EXT || oi >= 0) {
 		if (pcardnr)
 			*pcardnr = card;
 		if (pdomain)
@@ -962,7 +963,7 @@ int pkey_findcard(const struct pkey_seckey *seckey,
 	} else
 		rc = -ENODEV;
 
-	kfree(device_matrix);
+	kfree(device_status);
 	return rc;
 }
 EXPORT_SYMBOL(pkey_findcard);

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>
@@ -607,19 +605,24 @@ static long zcrypt_rng(char *buffer)
 	return rc;
 }
 
-void zcrypt_device_status_mask(struct zcrypt_device_matrix *matrix)
+static void zcrypt_device_status_mask(struct zcrypt_device_status *devstatus)
 {
 	struct zcrypt_card *zc;
 	struct zcrypt_queue *zq;
 	struct zcrypt_device_status *stat;
+	int card, queue;
+
+	memset(devstatus, 0, MAX_ZDEV_ENTRIES
+	       * sizeof(struct zcrypt_device_status));
 
-	memset(matrix, 0, sizeof(*matrix));
 	spin_lock(&zcrypt_list_lock);
 	for_each_zcrypt_card(zc) {
 		for_each_zcrypt_queue(zq, zc) {
-			stat = matrix->device;
-			stat += AP_QID_CARD(zq->queue->qid) * MAX_ZDEV_DOMAINS;
-			stat += AP_QID_QUEUE(zq->queue->qid);
+			card = AP_QID_CARD(zq->queue->qid);
+			if (card >= MAX_ZDEV_CARDIDS)
+				continue;
+			queue = AP_QID_QUEUE(zq->queue->qid);
+			stat = &devstatus[card * AP_DOMAINS + queue];
 			stat->hwtype = zc->card->ap_dev.device_type;
 			stat->functions = zc->card->functions >> 26;
 			stat->qid = zq->queue->qid;
@@ -628,40 +631,70 @@ void zcrypt_device_status_mask(struct zcrypt_device_matrix *matrix)
 	}
 	spin_unlock(&zcrypt_list_lock);
 }
-EXPORT_SYMBOL(zcrypt_device_status_mask);
 
-static void zcrypt_status_mask(char status[AP_DEVICES])
+void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus)
 {
 	struct zcrypt_card *zc;
 	struct zcrypt_queue *zq;
+	struct zcrypt_device_status_ext *stat;
+	int card, queue;
+
+	memset(devstatus, 0, MAX_ZDEV_ENTRIES_EXT
+	       * sizeof(struct zcrypt_device_status_ext));
 
-	memset(status, 0, sizeof(char) * AP_DEVICES);
 	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)
+			card = AP_QID_CARD(zq->queue->qid);
+			queue = AP_QID_QUEUE(zq->queue->qid);
+			stat = &devstatus[card * AP_DOMAINS + queue];
+			stat->hwtype = zc->card->ap_dev.device_type;
+			stat->functions = zc->card->functions >> 26;
+			stat->qid = zq->queue->qid;
+			stat->online = zq->online ? 0x01 : 0x00;
+		}
+	}
+	spin_unlock(&zcrypt_list_lock);
+}
+EXPORT_SYMBOL(zcrypt_device_status_mask_ext);
+
+static void zcrypt_status_mask(char status[], size_t max_adapters)
+{
+	struct zcrypt_card *zc;
+	struct zcrypt_queue *zq;
+	int card;
+
+	memset(status, 0, max_adapters);
+	spin_lock(&zcrypt_list_lock);
+	for_each_zcrypt_card(zc) {
+		for_each_zcrypt_queue(zq, zc) {
+			card = AP_QID_CARD(zq->queue->qid);
+			if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index
+			    || card >= max_adapters)
 				continue;
-			status[AP_QID_CARD(zq->queue->qid)] =
-				zc->online ? zc->user_space_type : 0x0d;
+			status[card] = zc->online ? zc->user_space_type : 0x0d;
 		}
 	}
 	spin_unlock(&zcrypt_list_lock);
 }
 
-static void zcrypt_qdepth_mask(char qdepth[AP_DEVICES])
+static void zcrypt_qdepth_mask(char qdepth[], size_t max_adapters)
 {
 	struct zcrypt_card *zc;
 	struct zcrypt_queue *zq;
+	int card;
 
-	memset(qdepth, 0, sizeof(char)	* AP_DEVICES);
+	memset(qdepth, 0, max_adapters);
 	spin_lock(&zcrypt_list_lock);
 	local_bh_disable();
 	for_each_zcrypt_card(zc) {
 		for_each_zcrypt_queue(zq, zc) {
-			if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index)
+			card = AP_QID_CARD(zq->queue->qid);
+			if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index
+			    || card >= max_adapters)
 				continue;
 			spin_lock(&zq->queue->lock);
-			qdepth[AP_QID_CARD(zq->queue->qid)] =
+			qdepth[card] =
 				zq->queue->pendingq_count +
 				zq->queue->requestq_count;
 			spin_unlock(&zq->queue->lock);
@@ -671,21 +704,23 @@ static void zcrypt_qdepth_mask(char qdepth[AP_DEVICES])
 	spin_unlock(&zcrypt_list_lock);
 }
 
-static void zcrypt_perdev_reqcnt(int reqcnt[AP_DEVICES])
+static void zcrypt_perdev_reqcnt(int reqcnt[], size_t max_adapters)
 {
 	struct zcrypt_card *zc;
 	struct zcrypt_queue *zq;
+	int card;
 
-	memset(reqcnt, 0, sizeof(int) * AP_DEVICES);
+	memset(reqcnt, 0, sizeof(int) * max_adapters);
 	spin_lock(&zcrypt_list_lock);
 	local_bh_disable();
 	for_each_zcrypt_card(zc) {
 		for_each_zcrypt_queue(zq, zc) {
-			if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index)
+			card = AP_QID_CARD(zq->queue->qid);
+			if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index
+			    || card >= max_adapters)
 				continue;
 			spin_lock(&zq->queue->lock);
-			reqcnt[AP_QID_CARD(zq->queue->qid)] =
-				zq->queue->total_request_count;
+			reqcnt[card] = zq->queue->total_request_count;
 			spin_unlock(&zq->queue->lock);
 		}
 	}
@@ -739,60 +774,10 @@ 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;
-}
-
-/**
- * zcrypt_ica_status(): Old, depracted combi status call.
- *
- * Old, deprecated combi status call.
- */
-static long zcrypt_ica_status(struct file *filp, unsigned long arg)
-{
-	struct ica_z90_status *pstat;
-	int ret;
-
-	pstat = kzalloc(sizeof(*pstat), GFP_KERNEL);
-	if (!pstat)
-		return -ENOMEM;
-	pstat->totalcount = zcrypt_device_count;
-	pstat->leedslitecount = zcrypt_count_type(ZCRYPT_PCICA);
-	pstat->leeds2count = zcrypt_count_type(ZCRYPT_PCICC);
-	pstat->requestqWaitCount = zcrypt_requestq_count();
-	pstat->pendingqWaitCount = zcrypt_pendingq_count();
-	pstat->totalOpenCount = atomic_read(&zcrypt_open_count);
-	pstat->cryptoDomain = ap_domain_index;
-	zcrypt_status_mask(pstat->status);
-	zcrypt_qdepth_mask(pstat->qdepth);
-	ret = 0;
-	if (copy_to_user((void __user *) arg, pstat, sizeof(*pstat)))
-		ret = -EFAULT;
-	kfree(pstat);
-	return ret;
-}
-
 static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
 				  unsigned long arg)
 {
-	int rc;
+	int rc = 0;
 
 	switch (cmd) {
 	case ICARSAMODEXPO: {
@@ -871,48 +856,48 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
 			return -EFAULT;
 		return rc;
 	}
-	case ZDEVICESTATUS: {
-		struct zcrypt_device_matrix *device_status;
+	case ZCRYPT_DEVICE_STATUS: {
+		struct zcrypt_device_status_ext *device_status;
+		size_t total_size = MAX_ZDEV_ENTRIES_EXT
+			* sizeof(struct zcrypt_device_status_ext);
 
-		device_status = kzalloc(sizeof(struct zcrypt_device_matrix),
-					GFP_KERNEL);
+		device_status = kzalloc(total_size, GFP_KERNEL);
 		if (!device_status)
 			return -ENOMEM;
-
-		zcrypt_device_status_mask(device_status);
-
+		zcrypt_device_status_mask_ext(device_status);
 		if (copy_to_user((char __user *) arg, device_status,
-				 sizeof(struct zcrypt_device_matrix))) {
-			kfree(device_status);
-			return -EFAULT;
-		}
-
+				 total_size))
+			rc = -EFAULT;
 		kfree(device_status);
-		return 0;
+		return rc;
 	}
-	case Z90STAT_STATUS_MASK: {
+	case ZCRYPT_STATUS_MASK: {
 		char status[AP_DEVICES];
-		zcrypt_status_mask(status);
-		if (copy_to_user((char __user *) arg, status,
-				 sizeof(char) * AP_DEVICES))
+
+		zcrypt_status_mask(status, AP_DEVICES);
+		if (copy_to_user((char __user *) arg, status, sizeof(status)))
 			return -EFAULT;
 		return 0;
 	}
-	case Z90STAT_QDEPTH_MASK: {
+	case ZCRYPT_QDEPTH_MASK: {
 		char qdepth[AP_DEVICES];
-		zcrypt_qdepth_mask(qdepth);
-		if (copy_to_user((char __user *) arg, qdepth,
-				 sizeof(char) * AP_DEVICES))
+
+		zcrypt_qdepth_mask(qdepth, AP_DEVICES);
+		if (copy_to_user((char __user *) arg, qdepth, sizeof(qdepth)))
 			return -EFAULT;
 		return 0;
 	}
-	case Z90STAT_PERDEV_REQCNT: {
-		int reqcnt[AP_DEVICES];
-		zcrypt_perdev_reqcnt(reqcnt);
-		if (copy_to_user((int __user *) arg, reqcnt,
-				 sizeof(int) * AP_DEVICES))
-			return -EFAULT;
-		return 0;
+	case ZCRYPT_PERDEV_REQCNT: {
+		int *reqcnt;
+
+		reqcnt = kcalloc(AP_DEVICES, sizeof(int), GFP_KERNEL);
+		if (!reqcnt)
+			return -ENOMEM;
+		zcrypt_perdev_reqcnt(reqcnt, AP_DEVICES);
+		if (copy_to_user((int __user *) arg, reqcnt, sizeof(reqcnt)))
+			rc = -EFAULT;
+		kfree(reqcnt);
+		return rc;
 	}
 	case Z90STAT_REQUESTQ_COUNT:
 		return put_user(zcrypt_requestq_count(), (int __user *) arg);
@@ -924,38 +909,54 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
 	case Z90STAT_DOMAIN_INDEX:
 		return put_user(ap_domain_index, (int __user *) arg);
 	/*
-	 * Deprecated ioctls. Don't add another device count ioctl,
-	 * you can count them yourself in the user space with the
-	 * output of the Z90STAT_STATUS_MASK ioctl.
+	 * Deprecated ioctls
 	 */
-	case ICAZ90STATUS:
-		return zcrypt_ica_status(filp, arg);
-	case Z90STAT_TOTALCOUNT:
-		return put_user(zcrypt_device_count, (int __user *) arg);
-	case Z90STAT_PCICACOUNT:
-		return put_user(zcrypt_count_type(ZCRYPT_PCICA),
-				(int __user *) arg);
-	case Z90STAT_PCICCCOUNT:
-		return put_user(zcrypt_count_type(ZCRYPT_PCICC),
-				(int __user *) arg);
-	case Z90STAT_PCIXCCMCL2COUNT:
-		return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL2),
-				(int __user *) arg);
-	case Z90STAT_PCIXCCMCL3COUNT:
-		return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL3),
-				(int __user *) arg);
-	case Z90STAT_PCIXCCCOUNT:
-		return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL2) +
-				zcrypt_count_type(ZCRYPT_PCIXCC_MCL3),
-				(int __user *) arg);
-	case Z90STAT_CEX2CCOUNT:
-		return put_user(zcrypt_count_type(ZCRYPT_CEX2C),
-				(int __user *) arg);
-	case Z90STAT_CEX2ACOUNT:
-		return put_user(zcrypt_count_type(ZCRYPT_CEX2A),
-				(int __user *) arg);
+	case ZDEVICESTATUS: {
+		/* the old ioctl supports only 64 adapters */
+		struct zcrypt_device_status *device_status;
+		size_t total_size = MAX_ZDEV_ENTRIES
+			* sizeof(struct zcrypt_device_status);
+
+		device_status = kzalloc(total_size, GFP_KERNEL);
+		if (!device_status)
+			return -ENOMEM;
+		zcrypt_device_status_mask(device_status);
+		if (copy_to_user((char __user *) arg, device_status,
+				 total_size))
+			rc = -EFAULT;
+		kfree(device_status);
+		return rc;
+	}
+	case Z90STAT_STATUS_MASK: {
+		/* the old ioctl supports only 64 adapters */
+		char status[MAX_ZDEV_CARDIDS];
+
+		zcrypt_status_mask(status, MAX_ZDEV_CARDIDS);
+		if (copy_to_user((char __user *) arg, status, sizeof(status)))
+			return -EFAULT;
+		return 0;
+	}
+	case Z90STAT_QDEPTH_MASK: {
+		/* the old ioctl supports only 64 adapters */
+		char qdepth[MAX_ZDEV_CARDIDS];
+
+		zcrypt_qdepth_mask(qdepth, MAX_ZDEV_CARDIDS);
+		if (copy_to_user((char __user *) arg, qdepth, sizeof(qdepth)))
+			return -EFAULT;
+		return 0;
+	}
+	case Z90STAT_PERDEV_REQCNT: {
+		/* the old ioctl supports only 64 adapters */
+		int reqcnt[MAX_ZDEV_CARDIDS];
+
+		zcrypt_perdev_reqcnt(reqcnt, MAX_ZDEV_CARDIDS);
+		if (copy_to_user((int __user *) arg, reqcnt, sizeof(reqcnt)))
+			return -EFAULT;
+		return 0;
+	}
+	/* unknown ioctl number */
 	default:
-		/* unknown ioctl number */
+		ZCRYPT_DBF(DBF_DEBUG, "unknown ioctl 0x%08x\n", cmd);
 		return -ENOIOCTLCMD;
 	}
 }
@@ -1152,201 +1153,6 @@ 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;
@@ -1448,27 +1254,15 @@ 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;
 }
@@ -1480,7 +1274,6 @@ int __init zcrypt_api_init(void)
  */
 void __exit zcrypt_api_exit(void)
 {
-	remove_proc_entry("driver/z90crypt", NULL);
 	misc_deregister(&zcrypt_misc_device);
 	zcrypt_msgtype6_exit();
 	zcrypt_msgtype50_exit();

drivers/s390/crypto/zcrypt_api.h

@@ -21,30 +21,6 @@
 #include <asm/zcrypt.h>
 #include "ap_bus.h"
 
-/* deprecated status calls */
-#define ICAZ90STATUS		_IOR(ZCRYPT_IOCTL_MAGIC, 0x10, struct ica_z90_status)
-#define Z90STAT_PCIXCCCOUNT	_IOR(ZCRYPT_IOCTL_MAGIC, 0x43, int)
-
-/**
- * This structure is deprecated and the corresponding ioctl() has been
- * replaced with individual ioctl()s for each piece of data!
- */
-struct ica_z90_status {
-	int totalcount;
-	int leedslitecount; // PCICA
-	int leeds2count;    // PCICC
-	// int PCIXCCCount; is not in struct for backward compatibility
-	int requestqWaitCount;
-	int pendingqWaitCount;
-	int totalOpenCount;
-	int cryptoDomain;
-	// status: 0=not there, 1=PCICA, 2=PCICC, 3=PCIXCC_MCL2, 4=PCIXCC_MCL3,
-	//	   5=CEX2C
-	unsigned char status[64];
-	// qdepth: # work elements waiting for each device
-	unsigned char qdepth[64];
-};
-
 /**
  * device type for an actual device is either PCICA, PCICC, PCIXCC_MCL2,
  * PCIXCC_MCL3, CEX2C, or CEX2A
@@ -179,6 +155,6 @@ struct zcrypt_ops *zcrypt_msgtype(unsigned char *, int);
 int zcrypt_api_init(void);
 void zcrypt_api_exit(void);
 long zcrypt_send_cprb(struct ica_xcRB *xcRB);
-void zcrypt_device_status_mask(struct zcrypt_device_matrix *devstatus);
+void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus);
 
 #endif /* _ZCRYPT_API_H_ */