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/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.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_ */