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-rw-r--r--include/asm-s390/Kbuild12
-rw-r--r--include/asm-s390/appldata.h90
-rw-r--r--include/asm-s390/cio.h7
-rw-r--r--include/asm-s390/debug.h2
-rw-r--r--include/asm-s390/dma.h2
-rw-r--r--include/asm-s390/elf.h28
-rw-r--r--include/asm-s390/futex.h87
-rw-r--r--include/asm-s390/io.h2
-rw-r--r--include/asm-s390/kdebug.h59
-rw-r--r--include/asm-s390/kprobes.h114
-rw-r--r--include/asm-s390/lowcore.h14
-rw-r--r--include/asm-s390/monwriter.h33
-rw-r--r--include/asm-s390/pgalloc.h67
-rw-r--r--include/asm-s390/pgtable.h124
-rw-r--r--include/asm-s390/processor.h17
-rw-r--r--include/asm-s390/setup.h66
-rw-r--r--include/asm-s390/smp.h2
-rw-r--r--include/asm-s390/uaccess.h172
-rw-r--r--include/asm-s390/unistd.h170
-rw-r--r--include/asm-s390/z90crypt.h212
-rw-r--r--include/asm-s390/zcrypt.h285
21 files changed, 906 insertions, 659 deletions
diff --git a/include/asm-s390/Kbuild b/include/asm-s390/Kbuild
index ed8955f49e4..088969d55e7 100644
--- a/include/asm-s390/Kbuild
+++ b/include/asm-s390/Kbuild
@@ -1,4 +1,12 @@
include include/asm-generic/Kbuild.asm
-unifdef-y += cmb.h debug.h
-header-y += dasd.h qeth.h tape390.h ucontext.h vtoc.h z90crypt.h
+header-y += dasd.h
+header-y += monwriter.h
+header-y += qeth.h
+header-y += tape390.h
+header-y += ucontext.h
+header-y += vtoc.h
+header-y += z90crypt.h
+
+unifdef-y += cmb.h
+unifdef-y += debug.h
diff --git a/include/asm-s390/appldata.h b/include/asm-s390/appldata.h
new file mode 100644
index 00000000000..b1770703b70
--- /dev/null
+++ b/include/asm-s390/appldata.h
@@ -0,0 +1,90 @@
+/*
+ * include/asm-s390/appldata.h
+ *
+ * Copyright (C) IBM Corp. 2006
+ *
+ * Author(s): Melissa Howland <melissah@us.ibm.com>
+ */
+
+#ifndef _ASM_S390_APPLDATA_H
+#define _ASM_S390_APPLDATA_H
+
+#include <asm/io.h>
+
+#ifndef CONFIG_64BIT
+
+#define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */
+#define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */
+#define APPLDATA_GEN_EVENT_REC 0x02
+#define APPLDATA_START_CONFIG_REC 0x03
+
+/*
+ * Parameter list for DIAGNOSE X'DC'
+ */
+struct appldata_parameter_list {
+ u16 diag; /* The DIAGNOSE code X'00DC' */
+ u8 function; /* The function code for the DIAGNOSE */
+ u8 parlist_length; /* Length of the parameter list */
+ u32 product_id_addr; /* Address of the 16-byte product ID */
+ u16 reserved;
+ u16 buffer_length; /* Length of the application data buffer */
+ u32 buffer_addr; /* Address of the application data buffer */
+} __attribute__ ((packed));
+
+#else /* CONFIG_64BIT */
+
+#define APPLDATA_START_INTERVAL_REC 0x80
+#define APPLDATA_STOP_REC 0x81
+#define APPLDATA_GEN_EVENT_REC 0x82
+#define APPLDATA_START_CONFIG_REC 0x83
+
+/*
+ * Parameter list for DIAGNOSE X'DC'
+ */
+struct appldata_parameter_list {
+ u16 diag;
+ u8 function;
+ u8 parlist_length;
+ u32 unused01;
+ u16 reserved;
+ u16 buffer_length;
+ u32 unused02;
+ u64 product_id_addr;
+ u64 buffer_addr;
+} __attribute__ ((packed));
+
+#endif /* CONFIG_64BIT */
+
+struct appldata_product_id {
+ char prod_nr[7]; /* product number */
+ u16 prod_fn; /* product function */
+ u8 record_nr; /* record number */
+ u16 version_nr; /* version */
+ u16 release_nr; /* release */
+ u16 mod_lvl; /* modification level */
+} __attribute__ ((packed));
+
+static inline int appldata_asm(struct appldata_product_id *id,
+ unsigned short fn, void *buffer,
+ unsigned short length)
+{
+ struct appldata_parameter_list parm_list;
+ int ry;
+
+ if (!MACHINE_IS_VM)
+ return -ENOSYS;
+ parm_list.diag = 0xdc;
+ parm_list.function = fn;
+ parm_list.parlist_length = sizeof(parm_list);
+ parm_list.buffer_length = length;
+ parm_list.product_id_addr = (unsigned long) id;
+ parm_list.buffer_addr = virt_to_phys(buffer);
+ asm volatile(
+ "diag %1,%0,0xdc"
+ : "=d" (ry)
+ : "d" (&parm_list), "m" (parm_list), "m" (*id)
+ : "cc");
+ return ry;
+}
+
+#endif /* _ASM_S390_APPLDATA_H */
diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h
index 28fdd6e2b8b..da063cd5f0a 100644
--- a/include/asm-s390/cio.h
+++ b/include/asm-s390/cio.h
@@ -270,6 +270,11 @@ struct diag210 {
__u32 vrdccrft : 8; /* real device feature (output) */
} __attribute__ ((packed,aligned(4)));
+struct ccw_dev_id {
+ u8 ssid;
+ u16 devno;
+};
+
extern int diag210(struct diag210 *addr);
extern void wait_cons_dev(void);
@@ -280,6 +285,8 @@ extern void cio_reset_channel_paths(void);
extern void css_schedule_reprobe(void);
+extern void reipl_ccw_dev(struct ccw_dev_id *id);
+
#endif
#endif
diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h
index 7f1ef99fd1e..c00dd2b3dc5 100644
--- a/include/asm-s390/debug.h
+++ b/include/asm-s390/debug.h
@@ -10,7 +10,6 @@
#define DEBUG_H
#include <linux/fs.h>
-#include <linux/string.h>
/* Note:
* struct __debug_entry must be defined outside of #ifdef __KERNEL__
@@ -35,6 +34,7 @@ struct __debug_entry{
#define __DEBUG_FEATURE_VERSION 2 /* version of debug feature */
#ifdef __KERNEL__
+#include <linux/string.h>
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <linux/time.h>
diff --git a/include/asm-s390/dma.h b/include/asm-s390/dma.h
index 02720c449cd..7425c6af6cd 100644
--- a/include/asm-s390/dma.h
+++ b/include/asm-s390/dma.h
@@ -11,6 +11,6 @@
#define MAX_DMA_ADDRESS 0x80000000
-#define free_dma(x)
+#define free_dma(x) do { } while (0)
#endif /* _ASM_DMA_H */
diff --git a/include/asm-s390/elf.h b/include/asm-s390/elf.h
index 710646e64f7..c0d629d61d3 100644
--- a/include/asm-s390/elf.h
+++ b/include/asm-s390/elf.h
@@ -93,19 +93,6 @@
#define R_390_NUM 61
/*
- * ELF register definitions..
- */
-
-#include <linux/sched.h> /* for task_struct */
-#include <asm/ptrace.h>
-#include <asm/user.h>
-#include <asm/system.h> /* for save_access_regs */
-
-
-typedef s390_fp_regs elf_fpregset_t;
-typedef s390_regs elf_gregset_t;
-
-/*
* These are used to set parameters in the core dumps.
*/
#ifndef __s390x__
@@ -117,6 +104,20 @@ typedef s390_regs elf_gregset_t;
#define ELF_ARCH EM_S390
/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+typedef s390_fp_regs elf_fpregset_t;
+typedef s390_regs elf_gregset_t;
+
+#ifdef __KERNEL__
+#include <linux/sched.h> /* for task_struct */
+#include <asm/system.h> /* for save_access_regs */
+
+/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) \
@@ -198,7 +199,6 @@ static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
#define ELF_PLATFORM (NULL)
-#ifdef __KERNEL__
#ifndef __s390x__
#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
#else /* __s390x__ */
diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h
index ffedf14f89f..5e261e1de67 100644
--- a/include/asm-s390/futex.h
+++ b/include/asm-s390/futex.h
@@ -7,75 +7,21 @@
#include <asm/errno.h>
#include <asm/uaccess.h>
-#ifndef __s390x__
-#define __futex_atomic_fixup \
- ".section __ex_table,\"a\"\n" \
- " .align 4\n" \
- " .long 0b,4b,2b,4b,3b,4b\n" \
- ".previous"
-#else /* __s390x__ */
-#define __futex_atomic_fixup \
- ".section __ex_table,\"a\"\n" \
- " .align 8\n" \
- " .quad 0b,4b,2b,4b,3b,4b\n" \
- ".previous"
-#endif /* __s390x__ */
-
-#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg) \
- asm volatile(" sacf 256\n" \
- "0: l %1,0(%6)\n" \
- "1: " insn \
- "2: cs %1,%2,0(%6)\n" \
- "3: jl 1b\n" \
- " lhi %0,0\n" \
- "4: sacf 0\n" \
- __futex_atomic_fixup \
- : "=d" (ret), "=&d" (oldval), "=&d" (newval), \
- "=m" (*uaddr) \
- : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \
- "m" (*uaddr) : "cc" );
-
static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
{
int op = (encoded_op >> 28) & 7;
int cmp = (encoded_op >> 24) & 15;
int oparg = (encoded_op << 8) >> 20;
int cmparg = (encoded_op << 20) >> 20;
- int oldval = 0, newval, ret;
+ int oldval, ret;
+
if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
oparg = 1 << oparg;
if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
return -EFAULT;
- inc_preempt_count();
-
- switch (op) {
- case FUTEX_OP_SET:
- __futex_atomic_op("lr %2,%5\n",
- ret, oldval, newval, uaddr, oparg);
- break;
- case FUTEX_OP_ADD:
- __futex_atomic_op("lr %2,%1\nar %2,%5\n",
- ret, oldval, newval, uaddr, oparg);
- break;
- case FUTEX_OP_OR:
- __futex_atomic_op("lr %2,%1\nor %2,%5\n",
- ret, oldval, newval, uaddr, oparg);
- break;
- case FUTEX_OP_ANDN:
- __futex_atomic_op("lr %2,%1\nnr %2,%5\n",
- ret, oldval, newval, uaddr, oparg);
- break;
- case FUTEX_OP_XOR:
- __futex_atomic_op("lr %2,%1\nxr %2,%5\n",
- ret, oldval, newval, uaddr, oparg);
- break;
- default:
- ret = -ENOSYS;
- }
-
- dec_preempt_count();
+ ret = uaccess.futex_atomic_op(op, uaddr, oparg, &oldval);
if (!ret) {
switch (cmp) {
@@ -91,32 +37,13 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
return ret;
}
-static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr,
+ int oldval, int newval)
{
- int ret;
-
if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
return -EFAULT;
- asm volatile(" sacf 256\n"
- " cs %1,%4,0(%5)\n"
- "0: lr %0,%1\n"
- "1: sacf 0\n"
-#ifndef __s390x__
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b,1b\n"
- ".previous"
-#else /* __s390x__ */
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b,1b\n"
- ".previous"
-#endif /* __s390x__ */
- : "=d" (ret), "+d" (oldval), "=m" (*uaddr)
- : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr)
- : "cc", "memory" );
- return oldval;
+
+ return uaccess.futex_atomic_cmpxchg(uaddr, oldval, newval);
}
#endif /* __KERNEL__ */
diff --git a/include/asm-s390/io.h b/include/asm-s390/io.h
index d4614b35f42..a6cc27e7700 100644
--- a/include/asm-s390/io.h
+++ b/include/asm-s390/io.h
@@ -116,7 +116,7 @@ extern void iounmap(void *addr);
#define outb(x,addr) ((void) writeb(x,addr))
#define outb_p(x,addr) outb(x,addr)
-#define mmiowb()
+#define mmiowb() do { } while (0)
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h
new file mode 100644
index 00000000000..40cc68025e0
--- /dev/null
+++ b/include/asm-s390/kdebug.h
@@ -0,0 +1,59 @@
+#ifndef _S390_KDEBUG_H
+#define _S390_KDEBUG_H
+
+/*
+ * Feb 2006 Ported to s390 <grundym@us.ibm.com>
+ */
+#include <linux/notifier.h>
+
+struct pt_regs;
+
+struct die_args {
+ struct pt_regs *regs;
+ const char *str;
+ long err;
+ int trapnr;
+ int signr;
+};
+
+/* Note - you should never unregister because that can race with NMIs.
+ * If you really want to do it first unregister - then synchronize_sched
+ * - then free.
+ */
+extern int register_die_notifier(struct notifier_block *);
+extern int unregister_die_notifier(struct notifier_block *);
+extern int register_page_fault_notifier(struct notifier_block *);
+extern int unregister_page_fault_notifier(struct notifier_block *);
+extern struct atomic_notifier_head s390die_chain;
+
+
+enum die_val {
+ DIE_OOPS = 1,
+ DIE_BPT,
+ DIE_SSTEP,
+ DIE_PANIC,
+ DIE_NMI,
+ DIE_DIE,
+ DIE_NMIWATCHDOG,
+ DIE_KERNELDEBUG,
+ DIE_TRAP,
+ DIE_GPF,
+ DIE_CALL,
+ DIE_NMI_IPI,
+ DIE_PAGE_FAULT,
+};
+
+static inline int notify_die(enum die_val val, const char *str,
+ struct pt_regs *regs, long err, int trap, int sig)
+{
+ struct die_args args = {
+ .regs = regs,
+ .str = str,
+ .err = err,
+ .trapnr = trap,
+ .signr = sig
+ };
+ return atomic_notifier_call_chain(&s390die_chain, val, &args);
+}
+
+#endif
diff --git a/include/asm-s390/kprobes.h b/include/asm-s390/kprobes.h
new file mode 100644
index 00000000000..b847ff0ec3f
--- /dev/null
+++ b/include/asm-s390/kprobes.h
@@ -0,0 +1,114 @@
+#ifndef _ASM_S390_KPROBES_H
+#define _ASM_S390_KPROBES_H
+/*
+ * Kernel Probes (KProbes)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2002, 2006
+ *
+ * 2002-Oct Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel
+ * Probes initial implementation ( includes suggestions from
+ * Rusty Russell).
+ * 2004-Nov Modified for PPC64 by Ananth N Mavinakayanahalli
+ * <ananth@in.ibm.com>
+ * 2005-Dec Used as a template for s390 by Mike Grundy
+ * <grundym@us.ibm.com>
+ */
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <linux/percpu.h>
+
+#define __ARCH_WANT_KPROBES_INSN_SLOT
+struct pt_regs;
+struct kprobe;
+
+typedef u16 kprobe_opcode_t;
+#define BREAKPOINT_INSTRUCTION 0x0002
+
+/* Maximum instruction size is 3 (16bit) halfwords: */
+#define MAX_INSN_SIZE 0x0003
+#define MAX_STACK_SIZE 64
+#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \
+ (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \
+ ? (MAX_STACK_SIZE) \
+ : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
+
+#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)(pentry)
+
+#define ARCH_SUPPORTS_KRETPROBES
+#define ARCH_INACTIVE_KPROBE_COUNT 0
+
+#define KPROBE_SWAP_INST 0x10
+
+#define FIXUP_PSW_NORMAL 0x08
+#define FIXUP_BRANCH_NOT_TAKEN 0x04
+#define FIXUP_RETURN_REGISTER 0x02
+#define FIXUP_NOT_REQUIRED 0x01
+
+/* Architecture specific copy of original instruction */
+struct arch_specific_insn {
+ /* copy of original instruction */
+ kprobe_opcode_t *insn;
+ int fixup;
+ int ilen;
+ int reg;
+};
+
+struct ins_replace_args {
+ kprobe_opcode_t *ptr;
+ kprobe_opcode_t old;
+ kprobe_opcode_t new;
+};
+struct prev_kprobe {
+ struct kprobe *kp;
+ unsigned long status;
+ unsigned long saved_psw;
+ unsigned long kprobe_saved_imask;
+ unsigned long kprobe_saved_ctl[3];
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+ unsigned long kprobe_status;
+ unsigned long kprobe_saved_imask;
+ unsigned long kprobe_saved_ctl[3];
+ struct pt_regs jprobe_saved_regs;
+ unsigned long jprobe_saved_r14;
+ unsigned long jprobe_saved_r15;
+ struct prev_kprobe prev_kprobe;
+ kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
+};
+
+void arch_remove_kprobe(struct kprobe *p);
+void kretprobe_trampoline(void);
+int is_prohibited_opcode(kprobe_opcode_t *instruction);
+void get_instruction_type(struct arch_specific_insn *ainsn);
+
+#define flush_insn_slot(p) do { } while (0)
+
+#endif /* _ASM_S390_KPROBES_H */
+
+#ifdef CONFIG_KPROBES
+
+extern int kprobe_exceptions_notify(struct notifier_block *self,
+ unsigned long val, void *data);
+#else /* !CONFIG_KPROBES */
+static inline int kprobe_exceptions_notify(struct notifier_block *self,
+ unsigned long val, void *data)
+{
+ return 0;
+}
+#endif
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index 596c8b17210..18695d10ded 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -35,6 +35,7 @@
#define __LC_IO_NEW_PSW 0x01f0
#endif /* !__s390x__ */
+#define __LC_IPL_PARMBLOCK_PTR 0x014
#define __LC_EXT_PARAMS 0x080
#define __LC_CPU_ADDRESS 0x084
#define __LC_EXT_INT_CODE 0x086
@@ -47,6 +48,7 @@
#define __LC_PER_ATMID 0x096
#define __LC_PER_ADDRESS 0x098
#define __LC_PER_ACCESS_ID 0x0A1
+#define __LC_AR_MODE_ID 0x0A3
#define __LC_SUBCHANNEL_ID 0x0B8
#define __LC_SUBCHANNEL_NR 0x0BA
@@ -106,18 +108,28 @@
#define __LC_INT_CLOCK 0xDE8
#endif /* __s390x__ */
-#define __LC_PANIC_MAGIC 0xE00
+#define __LC_PANIC_MAGIC 0xE00
#ifndef __s390x__
#define __LC_PFAULT_INTPARM 0x080
#define __LC_CPU_TIMER_SAVE_AREA 0x0D8
+#define __LC_CLOCK_COMP_SAVE_AREA 0x0E0
+#define __LC_PSW_SAVE_AREA 0x100
+#define __LC_PREFIX_SAVE_AREA 0x108
#define __LC_AREGS_SAVE_AREA 0x120
+#define __LC_FPREGS_SAVE_AREA 0x160
#define __LC_GPREGS_SAVE_AREA 0x180
#define __LC_CREGS_SAVE_AREA 0x1C0
#else /* __s390x__ */
#define __LC_PFAULT_INTPARM 0x11B8
+#define __LC_FPREGS_SAVE_AREA 0x1200
#define __LC_GPREGS_SAVE_AREA 0x1280
+#define __LC_PSW_SAVE_AREA 0x1300
+#define __LC_PREFIX_SAVE_AREA 0x1318
+#define __LC_FP_CREG_SAVE_AREA 0x131C
+#define __LC_TODREG_SAVE_AREA 0x1324
#define __LC_CPU_TIMER_SAVE_AREA 0x1328
+#define __LC_CLOCK_COMP_SAVE_AREA 0x1331
#define __LC_AREGS_SAVE_AREA 0x1340
#define __LC_CREGS_SAVE_AREA 0x1380
#endif /* __s390x__ */
diff --git a/include/asm-s390/monwriter.h b/include/asm-s390/monwriter.h
new file mode 100644
index 00000000000..f0cbf96c52e
--- /dev/null
+++ b/include/asm-s390/monwriter.h
@@ -0,0 +1,33 @@
+/*
+ * include/asm-s390/monwriter.h
+ *
+ * Copyright (C) IBM Corp. 2006
+ * Character device driver for writing z/VM APPLDATA monitor records
+ * Version 1.0
+ * Author(s): Melissa Howland <melissah@us.ibm.com>
+ *
+ */
+
+#ifndef _ASM_390_MONWRITER_H
+#define _ASM_390_MONWRITER_H
+
+/* mon_function values */
+#define MONWRITE_START_INTERVAL 0x00 /* start interval recording */
+#define MONWRITE_STOP_INTERVAL 0x01 /* stop interval or config recording */
+#define MONWRITE_GEN_EVENT 0x02 /* generate event record */
+#define MONWRITE_START_CONFIG 0x03 /* start configuration recording */
+
+/* the header the app uses in its write() data */
+struct monwrite_hdr {
+ unsigned char mon_function;
+ unsigned short applid;
+ unsigned char record_num;
+ unsigned short version;
+ unsigned short release;
+ unsigned short mod_level;
+ unsigned short datalen;
+ unsigned char hdrlen;
+
+} __attribute__((packed));
+
+#endif /* _ASM_390_MONWRITER_H */
diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h
index a78e853e0dd..803bc706441 100644
--- a/include/asm-s390/pgalloc.h
+++ b/include/asm-s390/pgalloc.h
@@ -22,6 +22,16 @@
extern void diag10(unsigned long addr);
/*
+ * Page allocation orders.
+ */
+#ifndef __s390x__
+# define PGD_ALLOC_ORDER 1
+#else /* __s390x__ */
+# define PMD_ALLOC_ORDER 2
+# define PGD_ALLOC_ORDER 2
+#endif /* __s390x__ */
+
+/*
* Allocate and free page tables. The xxx_kernel() versions are
* used to allocate a kernel page table - this turns on ASN bits
* if any.
@@ -29,30 +39,23 @@ extern void diag10(unsigned long addr);
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- pgd_t *pgd;
+ pgd_t *pgd = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ALLOC_ORDER);
int i;
+ if (!pgd)
+ return NULL;
+ for (i = 0; i < PTRS_PER_PGD; i++)
#ifndef __s390x__
- pgd = (pgd_t *) __get_free_pages(GFP_KERNEL,1);
- if (pgd != NULL)
- for (i = 0; i < USER_PTRS_PER_PGD; i++)
- pmd_clear(pmd_offset(pgd + i, i*PGDIR_SIZE));
-#else /* __s390x__ */
- pgd = (pgd_t *) __get_free_pages(GFP_KERNEL,2);
- if (pgd != NULL)
- for (i = 0; i < PTRS_PER_PGD; i++)
- pgd_clear(pgd + i);
-#endif /* __s390x__ */
+ pmd_clear(pmd_offset(pgd + i, i*PGDIR_SIZE));
+#else
+ pgd_clear(pgd + i);
+#endif
return pgd;
}
static inline void pgd_free(pgd_t *pgd)
{
-#ifndef __s390x__
- free_pages((unsigned long) pgd, 1);
-#else /* __s390x__ */
- free_pages((unsigned long) pgd, 2);
-#endif /* __s390x__ */
+ free_pages((unsigned long) pgd, PGD_ALLOC_ORDER);
}
#ifndef __s390x__
@@ -68,20 +71,19 @@ static inline void pgd_free(pgd_t *pgd)
#else /* __s390x__ */
static inline pmd_t * pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr)
{
- pmd_t *pmd;
- int i;
+ pmd_t *pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, PMD_ALLOC_ORDER);
+ int i;
- pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, 2);
- if (pmd != NULL) {
- for (i=0; i < PTRS_PER_PMD; i++)
- pmd_clear(pmd+i);
- }
+ if (!pmd)
+ return NULL;
+ for (i=0; i < PTRS_PER_PMD; i++)
+ pmd_clear(pmd + i);
return pmd;
}
static inline void pmd_free (pmd_t *pmd)
{
- free_pages((unsigned long) pmd, 2);
+ free_pages((unsigned long) pmd, PMD_ALLOC_ORDER);
}
#define __pmd_free_tlb(tlb,pmd) \
@@ -123,15 +125,14 @@ pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *page)
static inline pte_t *
pte_alloc_one_kernel(struct mm_struct *mm, unsigned long vmaddr)
{
- pte_t *pte;
- int i;
-
- pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
- if (pte != NULL) {
- for (i=0; i < PTRS_PER_PTE; i++) {
- pte_clear(mm, vmaddr, pte+i);
- vmaddr += PAGE_SIZE;
- }
+ pte_t *pte = (pte_t *) __get_free_page(GFP_KERNEL|__GFP_REPEAT);
+ int i;
+
+ if (!pte)
+ return NULL;
+ for (i=0; i < PTRS_PER_PTE; i++) {
+ pte_clear(mm, vmaddr, pte + i);
+ vmaddr += PAGE_SIZE;
}
return pte;
}
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 24312387fa2..1a07028d575 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -89,19 +89,6 @@ extern char empty_zero_page[PAGE_SIZE];
# define PTRS_PER_PGD 2048
#endif /* __s390x__ */
-/*
- * pgd entries used up by user/kernel:
- */
-#ifndef __s390x__
-# define USER_PTRS_PER_PGD 512
-# define USER_PGD_PTRS 512
-# define KERNEL_PGD_PTRS 512
-#else /* __s390x__ */
-# define USER_PTRS_PER_PGD 2048
-# define USER_PGD_PTRS 2048
-# define KERNEL_PGD_PTRS 2048
-#endif /* __s390x__ */
-
#define FIRST_USER_ADDRESS 0
#define pte_ERROR(e) \
@@ -216,12 +203,14 @@ extern char empty_zero_page[PAGE_SIZE];
#define _PAGE_RO 0x200 /* HW read-only */
#define _PAGE_INVALID 0x400 /* HW invalid */
-/* Mask and four different kinds of invalid pages. */
-#define _PAGE_INVALID_MASK 0x601
-#define _PAGE_INVALID_EMPTY 0x400
-#define _PAGE_INVALID_NONE 0x401
-#define _PAGE_INVALID_SWAP 0x600
-#define _PAGE_INVALID_FILE 0x601
+/* Mask and six different types of pages. */
+#define _PAGE_TYPE_MASK 0x601
+#define _PAGE_TYPE_EMPTY 0x400
+#define _PAGE_TYPE_NONE 0x401
+#define _PAGE_TYPE_SWAP 0x600
+#define _PAGE_TYPE_FILE 0x601
+#define _PAGE_TYPE_RO 0x200
+#define _PAGE_TYPE_RW 0x000
#ifndef __s390x__
@@ -280,15 +269,14 @@ extern char empty_zero_page[PAGE_SIZE];
#endif /* __s390x__ */
/*
- * No mapping available
+ * Page protection definitions.
*/
-#define PAGE_NONE_SHARED __pgprot(_PAGE_INVALID_NONE)
-#define PAGE_NONE_PRIVATE __pgprot(_PAGE_INVALID_NONE)
-#define PAGE_RO_SHARED __pgprot(_PAGE_RO)
-#define PAGE_RO_PRIVATE __pgprot(_PAGE_RO)
-#define PAGE_COPY __pgprot(_PAGE_RO)
-#define PAGE_SHARED __pgprot(0)
-#define PAGE_KERNEL __pgprot(0)
+#define PAGE_NONE __pgprot(_PAGE_TYPE_NONE)
+#define PAGE_RO __pgprot(_PAGE_TYPE_RO)
+#define PAGE_RW __pgprot(_PAGE_TYPE_RW)
+
+#define PAGE_KERNEL PAGE_RW
+#define PAGE_COPY PAGE_RO
/*
* The S390 can't do page protection for execute, and considers that the
@@ -296,23 +284,23 @@ extern char empty_zero_page[PAGE_SIZE];
* the closest we can get..
*/
/*xwr*/
-#define __P000 PAGE_NONE_PRIVATE
-#define __P001 PAGE_RO_PRIVATE
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_RO_PRIVATE
-#define __P101 PAGE_RO_PRIVATE
-#define __P110 PAGE_COPY
-#define __P111 PAGE_COPY
-
-#define __S000 PAGE_NONE_SHARED
-#define __S001 PAGE_RO_SHARED
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_RO_SHARED
-#define __S101 PAGE_RO_SHARED
-#define __S110 PAGE_SHARED
-#define __S111 PAGE_SHARED
+#define __P000 PAGE_NONE
+#define __P001 PAGE_RO
+#define __P010 PAGE_RO
+#define __P011 PAGE_RO
+#define __P100 PAGE_RO
+#define __P101 PAGE_RO
+#define __P110 PAGE_RO
+#define __P111 PAGE_RO
+
+#define __S000 PAGE_NONE
+#define __S001 PAGE_RO
+#define __S010 PAGE_RW
+#define __S011 PAGE_RW
+#define __S100 PAGE_RO
+#define __S101 PAGE_RO
+#define __S110 PAGE_RW
+#define __S111 PAGE_RW
/*
* Certain architectures need to do special things when PTEs
@@ -377,18 +365,18 @@ static inline int pmd_bad(pmd_t pmd)
static inline int pte_none(pte_t pte)
{
- return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_EMPTY;
+ return (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_EMPTY;
}
static inline int pte_present(pte_t pte)
{
return !(pte_val(pte) & _PAGE_INVALID) ||
- (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_NONE;
+ (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_NONE;
}
static inline int pte_file(pte_t pte)
{
- return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_FILE;
+ return (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_FILE;
}
#define pte_same(a,b) (pte_val(a) == pte_val(b))
@@ -461,7 +449,7 @@ static inline void pmd_clear(pmd_t * pmdp)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
- pte_val(*ptep) = _PAGE_INVALID_EMPTY;
+ pte_val(*ptep) = _PAGE_TYPE_EMPTY;
}
/*
@@ -477,7 +465,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
static inline pte_t pte_wrprotect(pte_t pte)
{
- /* Do not clobber _PAGE_INVALID_NONE pages! */
+ /* Do not clobber _PAGE_TYPE_NONE pages! */
if (!(pte_val(pte) & _PAGE_INVALID))
pte_val(pte) |= _PAGE_RO;
return pte;
@@ -556,26 +544,30 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
return pte;
}
-static inline pte_t
-ptep_clear_flush(struct vm_area_struct *vma,
- unsigned long address, pte_t *ptep)
+static inline void __ptep_ipte(unsigned long address, pte_t *ptep)
{
- pte_t pte = *ptep;
+ if (!(pte_val(*ptep) & _PAGE_INVALID)) {
#ifndef __s390x__
- if (!(pte_val(pte) & _PAGE_INVALID)) {
/* S390 has 1mb segments, we are emulating 4MB segments */
pte_t *pto = (pte_t *) (((unsigned long) ptep) & 0x7ffffc00);
- __asm__ __volatile__ ("ipte %2,%3"
- : "=m" (*ptep) : "m" (*ptep),
- "a" (pto), "a" (address) );
+#else
+ /* ipte in zarch mode can do the math */
+ pte_t *pto = ptep;
+#endif
+ asm volatile ("ipte %2,%3"
+ : "=m" (*ptep) : "m" (*ptep),
+ "a" (pto), "a" (address) );
}
-#else /* __s390x__ */
- if (!(pte_val(pte) & _PAGE_INVALID))
- __asm__ __volatile__ ("ipte %2,%3"
- : "=m" (*ptep) : "m" (*ptep),
- "a" (ptep), "a" (address) );
-#endif /* __s390x__ */
- pte_val(*ptep) = _PAGE_INVALID_EMPTY;
+ pte_val(*ptep) = _PAGE_TYPE_EMPTY;
+}
+
+static inline pte_t
+ptep_clear_flush(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep)
+{
+ pte_t pte = *ptep;
+
+ __ptep_ipte(address, ptep);
return pte;
}
@@ -755,7 +747,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
{
pte_t pte;
offset &= __SWP_OFFSET_MASK;
- pte_val(pte) = _PAGE_INVALID_SWAP | ((type & 0x1f) << 2) |
+ pte_val(pte) = _PAGE_TYPE_SWAP | ((type & 0x1f) << 2) |
((offset & 1UL) << 7) | ((offset & ~1UL) << 11);
return pte;
}
@@ -778,7 +770,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
#define pgoff_to_pte(__off) \
((pte_t) { ((((__off) & 0x7f) << 1) + (((__off) >> 7) << 12)) \
- | _PAGE_INVALID_FILE })
+ | _PAGE_TYPE_FILE })
#endif /* !__ASSEMBLY__ */
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 5b71d373172..a3a4e5fd30d 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -339,4 +339,21 @@ int unregister_idle_notifier(struct notifier_block *nb);
#endif
+/*
+ * Helper macro for exception table entries
+ */
+#ifndef __s390x__
+#define EX_TABLE(_fault,_target) \
+ ".section __ex_table,\"a\"\n" \
+ " .align 4\n" \
+ " .long " #_fault "," #_target "\n" \
+ ".previous\n"
+#else
+#define EX_TABLE(_fault,_target) \
+ ".section __ex_table,\"a\"\n" \
+ " .align 8\n" \
+ " .quad " #_fault "," #_target "\n" \
+ ".previous\n"
+#endif
+
#endif /* __ASM_S390_PROCESSOR_H */
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index 19e31979309..f1959732b6f 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -14,8 +14,6 @@
#define PARMAREA 0x10400
#define COMMAND_LINE_SIZE 896
-#define RAMDISK_ORIGIN 0x800000
-#define RAMDISK_SIZE 0x800000
#define MEMORY_CHUNKS 16 /* max 0x7fff */
#define IPL_PARMBLOCK_ORIGIN 0x2000
@@ -46,10 +44,12 @@ extern unsigned long machine_flags;
#define MACHINE_HAS_IEEE (machine_flags & 2)
#define MACHINE_HAS_CSP (machine_flags & 8)
#define MACHINE_HAS_DIAG44 (1)
+#define MACHINE_HAS_MVCOS (0)
#else /* __s390x__ */
#define MACHINE_HAS_IEEE (1)
#define MACHINE_HAS_CSP (1)
#define MACHINE_HAS_DIAG44 (machine_flags & 32)
+#define MACHINE_HAS_MVCOS (machine_flags & 512)
#endif /* __s390x__ */
@@ -70,52 +70,76 @@ extern unsigned int console_irq;
#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
-struct ipl_list_header {
- u32 length;
- u8 reserved[3];
+
+struct ipl_list_hdr {
+ u32 len;
+ u8 reserved1[3];
u8 version;
+ u32 blk0_len;
+ u8 pbt;
+ u8 flags;
+ u16 reserved2;
} __attribute__((packed));
struct ipl_block_fcp {
- u32 length;
- u8 pbt;
- u8 reserved1[322-1];
+ u8 reserved1[313-1];
+ u8 opt;
+ u8 reserved2[3];
+ u16 reserved3;
u16 devno;
- u8 reserved2[4];
+ u8 reserved4[4];
u64 wwpn;
u64 lun;
u32 bootprog;
- u8 reserved3[12];
+ u8 reserved5[12];
u64 br_lba;
u32 scp_data_len;
- u8 reserved4[260];
+ u8 reserved6[260];
u8 scp_data[];
} __attribute__((packed));
+struct ipl_block_ccw {
+ u8 load_param[8];
+ u8 reserved1[84];
+ u8 reserved2[2];
+ u16 devno;
+ u8 vm_flags;
+ u8 reserved3[3];
+ u32 vm_parm_len;
+} __attribute__((packed));
+
struct ipl_parameter_block {
+ struct ipl_list_hdr hdr;
union {
- u32 length;
- struct ipl_list_header header;
- } hdr;
- struct ipl_block_fcp fcp;
+ struct ipl_block_fcp fcp;
+ struct ipl_block_ccw ccw;
+ } ipl_info;
} __attribute__((packed));
-#define IPL_MAX_SUPPORTED_VERSION (0)
+#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
+ sizeof(struct ipl_block_fcp))
-#define IPL_TYPE_FCP (0)
+#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
+ sizeof(struct ipl_block_ccw))
+
+#define IPL_MAX_SUPPORTED_VERSION (0)
/*
* IPL validity flags and parameters as detected in head.S
*/
-extern u32 ipl_parameter_flags;
+extern u32 ipl_flags;
extern u16 ipl_devno;
-#define IPL_DEVNO_VALID (ipl_parameter_flags & 1)
-#define IPL_PARMBLOCK_VALID (ipl_parameter_flags & 2)
+void do_reipl(void);
+
+enum {
+ IPL_DEVNO_VALID = 1,
+ IPL_PARMBLOCK_VALID = 2,
+};
#define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
IPL_PARMBLOCK_ORIGIN)
-#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.length)
+#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len)
#else /* __ASSEMBLY__ */
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index 657646054c5..9fb02e9779c 100644
--- a/include/asm-s390/smp.h
+++ b/include/asm-s390/smp.h
@@ -104,7 +104,7 @@ smp_call_function_on(void (*func) (void *info), void *info,
#define smp_cpu_not_running(cpu) 1
#define smp_get_cpu(cpu) ({ 0; })
#define smp_put_cpu(cpu) ({ 0; })
-#define smp_setup_cpu_possible_map()
+#define smp_setup_cpu_possible_map() do { } while (0)
#endif
#endif
diff --git a/include/asm-s390/uaccess.h b/include/asm-s390/uaccess.h
index 0b7c0ca4c3d..e2047b0c909 100644
--- a/include/asm-s390/uaccess.h
+++ b/include/asm-s390/uaccess.h
@@ -47,7 +47,7 @@
S390_lowcore.user_asce : S390_lowcore.kernel_asce; \
asm volatile ("lctlg 7,7,%0" : : "m" (__pto) ); \
})
-#else
+#else /* __s390x__ */
#define set_fs(x) \
({ \
unsigned long __pto; \
@@ -56,7 +56,7 @@
S390_lowcore.user_asce : S390_lowcore.kernel_asce; \
asm volatile ("lctl 7,7,%0" : : "m" (__pto) ); \
})
-#endif
+#endif /* __s390x__ */
#define segment_eq(a,b) ((a).ar4 == (b).ar4)
@@ -85,76 +85,51 @@ struct exception_table_entry
unsigned long insn, fixup;
};
-#ifndef __s390x__
-#define __uaccess_fixup \
- ".section .fixup,\"ax\"\n" \
- "2: lhi %0,%4\n" \
- " bras 1,3f\n" \
- " .long 1b\n" \
- "3: l 1,0(1)\n" \
- " br 1\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 4\n" \
- " .long 0b,2b\n" \
- ".previous"
-#define __uaccess_clobber "cc", "1"
-#else /* __s390x__ */
-#define __uaccess_fixup \
- ".section .fixup,\"ax\"\n" \
- "2: lghi %0,%4\n" \
- " jg 1b\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 8\n" \
- " .quad 0b,2b\n" \
- ".previous"
-#define __uaccess_clobber "cc"
-#endif /* __s390x__ */
+struct uaccess_ops {
+ size_t (*copy_from_user)(size_t, const void __user *, void *);
+ size_t (*copy_from_user_small)(size_t, const void __user *, void *);
+ size_t (*copy_to_user)(size_t, void __user *, const void *);
+ size_t (*copy_to_user_small)(size_t, void __user *, const void *);
+ size_t (*copy_in_user)(size_t, void __user *, const void __user *);
+ size_t (*clear_user)(size_t, void __user *);
+ size_t (*strnlen_user)(size_t, const char __user *);
+ size_t (*strncpy_from_user)(size_t, const char __user *, char *);
+ int (*futex_atomic_op)(int op, int __user *, int oparg, int *old);
+ int (*futex_atomic_cmpxchg)(int __user *, int old, int new);
+};
+
+extern struct uaccess_ops uaccess;
+extern struct uaccess_ops uaccess_std;
+extern struct uaccess_ops uaccess_mvcos;
+
+static inline int __put_user_fn(size_t size, void __user *ptr, void *x)
+{
+ size = uaccess.copy_to_user_small(size, ptr, x);
+ return size ? -EFAULT : size;
+}
+
+static inline int __get_user_fn(size_t size, const void __user *ptr, void *x)
+{
+ size = uaccess.copy_from_user_small(size, ptr, x);
+ return size ? -EFAULT : size;
+}
/*
* These are the main single-value transfer routines. They automatically
* use the right size if we just have the right pointer type.
*/
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-#define __put_user_asm(x, ptr, err) \
-({ \
- err = 0; \
- asm volatile( \
- "0: mvcs 0(%1,%2),%3,%0\n" \
- "1:\n" \
- __uaccess_fixup \
- : "+&d" (err) \
- : "d" (sizeof(*(ptr))), "a" (ptr), "Q" (x), \
- "K" (-EFAULT) \
- : __uaccess_clobber ); \
-})
-#else
-#define __put_user_asm(x, ptr, err) \
-({ \
- err = 0; \
- asm volatile( \
- "0: mvcs 0(%1,%2),0(%3),%0\n" \
- "1:\n" \
- __uaccess_fixup \
- : "+&d" (err) \
- : "d" (sizeof(*(ptr))), "a" (ptr), "a" (&(x)), \
- "K" (-EFAULT), "m" (x) \
- : __uaccess_clobber ); \
-})
-#endif
-
#define __put_user(x, ptr) \
({ \
__typeof__(*(ptr)) __x = (x); \
- int __pu_err; \
+ int __pu_err = -EFAULT; \
__chk_user_ptr(ptr); \
switch (sizeof (*(ptr))) { \
case 1: \
case 2: \
case 4: \
case 8: \
- __put_user_asm(__x, ptr, __pu_err); \
+ __pu_err = __put_user_fn(sizeof (*(ptr)), \
+ ptr, &__x); \
break; \
default: \
__put_user_bad(); \
@@ -172,60 +147,36 @@ struct exception_table_entry
extern int __put_user_bad(void) __attribute__((noreturn));
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-#define __get_user_asm(x, ptr, err) \
-({ \
- err = 0; \
- asm volatile ( \
- "0: mvcp %O1(%2,%R1),0(%3),%0\n" \
- "1:\n" \
- __uaccess_fixup \
- : "+&d" (err), "=Q" (x) \
- : "d" (sizeof(*(ptr))), "a" (ptr), \
- "K" (-EFAULT) \
- : __uaccess_clobber ); \
-})
-#else
-#define __get_user_asm(x, ptr, err) \
-({ \
- err = 0; \
- asm volatile ( \
- "0: mvcp 0(%2,%5),0(%3),%0\n" \
- "1:\n" \
- __uaccess_fixup \
- : "+&d" (err), "=m" (x) \
- : "d" (sizeof(*(ptr))), "a" (ptr), \
- "K" (-EFAULT), "a" (&(x)) \
- : __uaccess_clobber ); \
-})
-#endif
-
#define __get_user(x, ptr) \
({ \
- int __gu_err; \
- __chk_user_ptr(ptr); \
+ int __gu_err = -EFAULT; \
+ __chk_user_ptr(ptr); \
switch (sizeof(*(ptr))) { \
case 1: { \
unsigned char __x; \
- __get_user_asm(__x, ptr, __gu_err); \
+ __gu_err = __get_user_fn(sizeof (*(ptr)), \
+ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \
break; \
}; \
case 2: { \
unsigned short __x; \
- __get_user_asm(__x, ptr, __gu_err); \
+ __gu_err = __get_user_fn(sizeof (*(ptr)), \
+ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \
break; \
}; \
case 4: { \
unsigned int __x; \
- __get_user_asm(__x, ptr, __gu_err); \
+ __gu_err = __get_user_fn(sizeof (*(ptr)), \
+ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \
break; \
}; \
case 8: { \
unsigned long long __x; \
- __get_user_asm(__x, ptr, __gu_err); \
+ __gu_err = __get_user_fn(sizeof (*(ptr)), \
+ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \
break; \
}; \
@@ -247,8 +198,6 @@ extern int __get_user_bad(void) __attribute__((noreturn));
#define __put_user_unaligned __put_user
#define __get_user_unaligned __get_user
-extern long __copy_to_user_asm(const void *from, long n, void __user *to);
-
/**
* __copy_to_user: - Copy a block of data into user space, with less checking.
* @to: Destination address, in user space.
@@ -266,7 +215,10 @@ extern long __copy_to_user_asm(const void *from, long n, void __user *to);
static inline unsigned long
__copy_to_user(void __user *to, const void *from, unsigned long n)
{
- return __copy_to_user_asm(from, n, to);
+ if (__builtin_constant_p(n) && (n <= 256))
+ return uaccess.copy_to_user_small(n, to, from);
+ else
+ return uaccess.copy_to_user(n, to, from);
}
#define __copy_to_user_inatomic __copy_to_user
@@ -294,8 +246,6 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
return n;
}
-extern long __copy_from_user_asm(void *to, long n, const void __user *from);
-
/**
* __copy_from_user: - Copy a block of data from user space, with less checking.
* @to: Destination address, in kernel space.
@@ -316,7 +266,10 @@ extern long __copy_from_user_asm(void *to, long n, const void __user *from);
static inline unsigned long
__copy_from_user(void *to, const void __user *from, unsigned long n)
{
- return __copy_from_user_asm(to, n, from);
+ if (__builtin_constant_p(n) && (n <= 256))
+ return uaccess.copy_from_user_small(n, from, to);
+ else
+ return uaccess.copy_from_user(n, from, to);
}
/**
@@ -346,13 +299,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
return n;
}
-extern unsigned long __copy_in_user_asm(const void __user *from, long n,
- void __user *to);
-
static inline unsigned long
__copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
- return __copy_in_user_asm(from, n, to);
+ return uaccess.copy_in_user(n, to, from);
}
static inline unsigned long
@@ -360,34 +310,28 @@ copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
might_sleep();
if (__access_ok(from,n) && __access_ok(to,n))
- n = __copy_in_user_asm(from, n, to);
+ n = __copy_in_user(to, from, n);
return n;
}
/*
* Copy a null terminated string from userspace.
*/
-extern long __strncpy_from_user_asm(long count, char *dst,
- const char __user *src);
-
static inline long
strncpy_from_user(char *dst, const char __user *src, long count)
{
long res = -EFAULT;
might_sleep();
if (access_ok(VERIFY_READ, src, 1))
- res = __strncpy_from_user_asm(count, dst, src);
+ res = uaccess.strncpy_from_user(count, src, dst);
return res;
}
-
-extern long __strnlen_user_asm(long count, const char __user *src);
-
static inline unsigned long
strnlen_user(const char __user * src, unsigned long n)
{
might_sleep();
- return __strnlen_user_asm(n, src);
+ return uaccess.strnlen_user(n, src);
}
/**
@@ -410,12 +354,10 @@ strnlen_user(const char __user * src, unsigned long n)
* Zero Userspace
*/
-extern long __clear_user_asm(void __user *to, long n);
-
static inline unsigned long
__clear_user(void __user *to, unsigned long n)
{
- return __clear_user_asm(to, n);
+ return uaccess.clear_user(n, to);
}
static inline unsigned long
@@ -423,7 +365,7 @@ clear_user(void __user *to, unsigned long n)
{
might_sleep();
if (access_ok(VERIFY_WRITE, to, n))
- n = __clear_user_asm(to, n);
+ n = uaccess.clear_user(n, to);
return n;
}
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index aa7a243862e..02b942d85c3 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -25,17 +25,12 @@
#define __NR_unlink 10
#define __NR_execve 11
#define __NR_chdir 12
-#define __NR_time 13
#define __NR_mknod 14
#define __NR_chmod 15
-#define __NR_lchown 16
#define __NR_lseek 19
#define __NR_getpid 20
#define __NR_mount 21
#define __NR_umount 22
-#define __NR_setuid 23
-#define __NR_getuid 24
-#define __NR_stime 25
#define __NR_ptrace 26
#define __NR_alarm 27
#define __NR_pause 29
@@ -51,11 +46,7 @@
#define __NR_pipe 42
#define __NR_times 43
#define __NR_brk 45
-#define __NR_setgid 46
-#define __NR_getgid 47
#define __NR_signal 48
-#define __NR_geteuid 49
-#define __NR_getegid 50
#define __NR_acct 51
#define __NR_umount2 52
#define __NR_ioctl 54
@@ -69,18 +60,13 @@
#define __NR_getpgrp 65
#define __NR_setsid 66
#define __NR_sigaction 67
-#define __NR_setreuid 70
-#define __NR_setregid 71
#define __NR_sigsuspend 72
#define __NR_sigpending 73
#define __NR_sethostname 74
#define __NR_setrlimit 75
-#define __NR_getrlimit 76
#define __NR_getrusage 77
#define __NR_gettimeofday 78
#define __NR_settimeofday 79
-#define __NR_getgroups 80
-#define __NR_setgroups 81
#define __NR_symlink 83
#define __NR_readlink 85
#define __NR_uselib 86
@@ -92,12 +78,10 @@
#define __NR_truncate 92
#define __NR_ftruncate 93
#define __NR_fchmod 94
-#define __NR_fchown 95
#define __NR_getpriority 96
#define __NR_setpriority 97
#define __NR_statfs 99
#define __NR_fstatfs 100
-#define __NR_ioperm 101
#define __NR_socketcall 102
#define __NR_syslog 103
#define __NR_setitimer 104
@@ -131,11 +115,7 @@
#define __NR_sysfs 135
#define __NR_personality 136
#define __NR_afs_syscall 137 /* Syscall for Andrew File System */
-#define __NR_setfsuid 138
-#define __NR_setfsgid 139
-#define __NR__llseek 140
#define __NR_getdents 141
-#define __NR__newselect 142
#define __NR_flock 143
#define __NR_msync 144
#define __NR_readv 145
@@ -157,13 +137,9 @@
#define __NR_sched_rr_get_interval 161
#define __NR_nanosleep 162
#define __NR_mremap 163
-#define __NR_setresuid 164
-#define __NR_getresuid 165
#define __NR_query_module 167
#define __NR_poll 168
#define __NR_nfsservctl 169
-#define __NR_setresgid 170
-#define __NR_getresgid 171
#define __NR_prctl 172
#define __NR_rt_sigreturn 173
#define __NR_rt_sigaction 174
@@ -174,7 +150,6 @@
#define __NR_rt_sigsuspend 179
#define __NR_pread64 180
#define __NR_pwrite64 181
-#define __NR_chown 182
#define __NR_getcwd 183
#define __NR_capget 184
#define __NR_capset 185
@@ -183,39 +158,11 @@
#define __NR_getpmsg 188
#define __NR_putpmsg 189
#define __NR_vfork 190
-#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */
-#define __NR_mmap2 192
-#define __NR_truncate64 193
-#define __NR_ftruncate64 194
-#define __NR_stat64 195
-#define __NR_lstat64 196
-#define __NR_fstat64 197
-#define __NR_lchown32 198
-#define __NR_getuid32 199
-#define __NR_getgid32 200
-#define __NR_geteuid32 201
-#define __NR_getegid32 202
-#define __NR_setreuid32 203
-#define __NR_setregid32 204
-#define __NR_getgroups32 205
-#define __NR_setgroups32 206
-#define __NR_fchown32 207
-#define __NR_setresuid32 208
-#define __NR_getresuid32 209
-#define __NR_setresgid32 210
-#define __NR_getresgid32 211
-#define __NR_chown32 212
-#define __NR_setuid32 213
-#define __NR_setgid32 214
-#define __NR_setfsuid32 215
-#define __NR_setfsgid32 216
#define __NR_pivot_root 217
#define __NR_mincore 218
#define __NR_madvise 219
#define __NR_getdents64 220
-#define __NR_fcntl64 221
#define __NR_readahead 222
-#define __NR_sendfile64 223
#define __NR_setxattr 224
#define __NR_lsetxattr 225
#define __NR_fsetxattr 226
@@ -256,7 +203,6 @@
#define __NR_clock_getres (__NR_timer_create+7)
#define __NR_clock_nanosleep (__NR_timer_create+8)
/* Number 263 is reserved for vserver */
-#define __NR_fadvise64_64 264
#define __NR_statfs64 265
#define __NR_fstatfs64 266
#define __NR_remap_file_pages 267
@@ -285,7 +231,6 @@
#define __NR_mknodat 290
#define __NR_fchownat 291
#define __NR_futimesat 292
-#define __NR_fstatat64 293
#define __NR_unlinkat 294
#define __NR_renameat 295
#define __NR_linkat 296
@@ -310,62 +255,65 @@
* have a different name although they do the same (e.g. __NR_chown32
* is __NR_chown on 64 bit).
*/
-#ifdef __s390x__
-#undef __NR_time
-#undef __NR_lchown
-#undef __NR_setuid
-#undef __NR_getuid
-#undef __NR_stime
-#undef __NR_setgid
-#undef __NR_getgid
-#undef __NR_geteuid
-#undef __NR_getegid
-#undef __NR_setreuid
-#undef __NR_setregid
-#undef __NR_getrlimit
-#undef __NR_getgroups
-#undef __NR_setgroups
-#undef __NR_fchown
-#undef __NR_ioperm
-#undef __NR_setfsuid
-#undef __NR_setfsgid
-#undef __NR__llseek
-#undef __NR__newselect
-#undef __NR_setresuid
-#undef __NR_getresuid
-#undef __NR_setresgid
-#undef __NR_getresgid
-#undef __NR_chown
-#undef __NR_ugetrlimit
-#undef __NR_mmap2
-#undef __NR_truncate64
-#undef __NR_ftruncate64
-#undef __NR_stat64
-#undef __NR_lstat64
-#undef __NR_fstat64
-#undef __NR_lchown32
-#undef __NR_getuid32
-#undef __NR_getgid32
-#undef __NR_geteuid32
-#undef __NR_getegid32
-#undef __NR_setreuid32
-#undef __NR_setregid32
-#undef __NR_getgroups32
-#undef __NR_setgroups32
-#undef __NR_fchown32
-#undef __NR_setresuid32
-#undef __NR_getresuid32
-#undef __NR_setresgid32
-#undef __NR_getresgid32
-#undef __NR_chown32
-#undef __NR_setuid32
-#undef __NR_setgid32
-#undef __NR_setfsuid32
-#undef __NR_setfsgid32
-#undef __NR_fcntl64
-#undef __NR_sendfile64
-#undef __NR_fadvise64_64
-#undef __NR_fstatat64
+#ifndef __s390x__
+
+#define __NR_time 13
+#define __NR_lchown 16
+#define __NR_setuid 23
+#define __NR_getuid 24
+#define __NR_stime 25
+#define __NR_setgid 46
+#define __NR_getgid 47
+#define __NR_geteuid 49
+#define __NR_getegid 50
+#define __NR_setreuid 70
+#define __NR_setregid 71
+#define __NR_getrlimit 76
+#define __NR_getgroups 80
+#define __NR_setgroups 81
+#define __NR_fchown 95
+#define __NR_ioperm 101
+#define __NR_setfsuid 138
+#define __NR_setfsgid 139
+#define __NR__llseek 140
+#define __NR__newselect 142
+#define __NR_setresuid 164
+#define __NR_getresuid 165
+#define __NR_setresgid 170
+#define __NR_getresgid 171
+#define __NR_chown 182
+#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */
+#define __NR_mmap2 192
+#define __NR_truncate64 193
+#define __NR_ftruncate64 194
+#define __NR_stat64 195
+#define __NR_lstat64 196
+#define __NR_fstat64 197
+#define __NR_lchown32 198
+#define __NR_getuid32 199
+#define __NR_getgid32 200
+#define __NR_geteuid32 201
+#define __NR_getegid32 202
+#define __NR_setreuid32 203
+#define __NR_setregid32 204
+#define __NR_getgroups32 205
+#define __NR_setgroups32 206
+#define __NR_fchown32 207
+#define __NR_setresuid32 208
+#define __NR_getresuid32 209
+#define __NR_setresgid32 210
+#define __NR_getresgid32 211
+#define __NR_chown32 212
+#define __NR_setuid32 213
+#define __NR_setgid32 214
+#define __NR_setfsuid32 215
+#define __NR_setfsgid32 216
+#define __NR_fcntl64 221
+#define __NR_sendfile64 223
+#define __NR_fadvise64_64 264
+#define __NR_fstatat64 293
+
+#else
#define __NR_select 142
#define __NR_getrlimit 191 /* SuS compliant getrlimit */
diff --git a/include/asm-s390/z90crypt.h b/include/asm-s390/z90crypt.h
deleted file mode 100644
index 31a2439b07b..00000000000
--- a/include/asm-s390/z90crypt.h
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * include/asm-s390/z90crypt.h
- *
- * z90crypt 1.3.3 (user-visible header)
- *
- * Copyright (C) 2001, 2005 IBM Corporation
- * Author(s): Robert Burroughs
- * Eric Rossman (edrossma@us.ibm.com)
- *
- * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __ASM_S390_Z90CRYPT_H
-#define __ASM_S390_Z90CRYPT_H
-#include <linux/ioctl.h>
-
-#define z90crypt_VERSION 1
-#define z90crypt_RELEASE 3 // 2 = PCIXCC, 3 = rewrite for coding standards
-#define z90crypt_VARIANT 3 // 3 = CEX2A support
-
-/**
- * struct ica_rsa_modexpo
- *
- * Requirements:
- * - outputdatalength is at least as large as inputdatalength.
- * - All key parts are right justified in their fields, padded on
- * the left with zeroes.
- * - length(b_key) = inputdatalength
- * - length(n_modulus) = inputdatalength
- */
-struct ica_rsa_modexpo {
- char __user * inputdata;
- unsigned int inputdatalength;
- char __user * outputdata;
- unsigned int outputdatalength;
- char __user * b_key;
- char __user * n_modulus;
-};
-
-/**
- * struct ica_rsa_modexpo_crt
- *
- * Requirements:
- * - inputdatalength is even.
- * - outputdatalength is at least as large as inputdatalength.
- * - All key parts are right justified in their fields, padded on
- * the left with zeroes.
- * - length(bp_key) = inputdatalength/2 + 8
- * - length(bq_key) = inputdatalength/2
- * - length(np_key) = inputdatalength/2 + 8
- * - length(nq_key) = inputdatalength/2
- * - length(u_mult_inv) = inputdatalength/2 + 8
- */
-struct ica_rsa_modexpo_crt {
- char __user * inputdata;
- unsigned int inputdatalength;
- char __user * outputdata;
- unsigned int outputdatalength;
- char __user * bp_key;
- char __user * bq_key;
- char __user * np_prime;
- char __user * nq_prime;
- char __user * u_mult_inv;
-};
-
-#define Z90_IOCTL_MAGIC 'z' // NOTE: Need to allocate from linux folks
-
-/**
- * Interface notes:
- *
- * The ioctl()s which are implemented (along with relevant details)
- * are:
- *
- * ICARSAMODEXPO
- * Perform an RSA operation using a Modulus-Exponent pair
- * This takes an ica_rsa_modexpo struct as its arg.
- *
- * NOTE: please refer to the comments preceding this structure
- * for the implementation details for the contents of the
- * block
- *
- * ICARSACRT
- * Perform an RSA operation using a Chinese-Remainder Theorem key
- * This takes an ica_rsa_modexpo_crt struct as its arg.
- *
- * NOTE: please refer to the comments preceding this structure
- * for the implementation details for the contents of the
- * block
- *
- * 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.
- *
- * Z90STAT_CEX2ACOUNT
- * Return an integer count of all CEX2As.
- *
- * 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 a
- * device 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.
- *
- * Z90STAT_STATUS_MASK
- * Return an 64 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.
- *
- * ICAZ90STATUS (deprecated)
- * Return some device driver status in a ica_z90_status struct
- * This takes an ica_z90_status struct as its arg.
- *
- * NOTE: this ioctl() is deprecated, and has been replaced with
- * single ioctl()s for each type of status being requested
- *
- * Z90STAT_PCIXCCCOUNT (deprecated)
- * Return an integer count of all PCIXCCs (MCL2 + MCL3).
- * This is DEPRECATED now that MCL3 PCIXCCs are treated differently from
- * MCL2 PCIXCCs.
- *
- * Z90QUIESCE (not recommended)
- * Quiesce the driver. This is intended to stop all new
- * requests from being processed. Its use is NOT recommended,
- * except in circumstances where there is no other way to stop
- * callers from accessing the driver. Its original use was to
- * allow the driver to be "drained" of work in preparation for
- * a system shutdown.
- *
- * NOTE: once issued, this ban on new work cannot be undone
- * except by unloading and reloading the driver.
- */
-
-/**
- * Supported ioctl calls
- */
-#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, Z90_IOCTL_MAGIC, 0x05, 0)
-#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, Z90_IOCTL_MAGIC, 0x06, 0)
-
-/* DEPRECATED status calls (bound for removal at some point) */
-#define ICAZ90STATUS _IOR(Z90_IOCTL_MAGIC, 0x10, struct ica_z90_status)
-#define Z90STAT_PCIXCCCOUNT _IOR(Z90_IOCTL_MAGIC, 0x43, int)
-
-/* unrelated to ICA callers */
-#define Z90QUIESCE _IO(Z90_IOCTL_MAGIC, 0x11)
-
-/* New status calls */
-#define Z90STAT_TOTALCOUNT _IOR(Z90_IOCTL_MAGIC, 0x40, int)
-#define Z90STAT_PCICACOUNT _IOR(Z90_IOCTL_MAGIC, 0x41, int)
-#define Z90STAT_PCICCCOUNT _IOR(Z90_IOCTL_MAGIC, 0x42, int)
-#define Z90STAT_PCIXCCMCL2COUNT _IOR(Z90_IOCTL_MAGIC, 0x4b, int)
-#define Z90STAT_PCIXCCMCL3COUNT _IOR(Z90_IOCTL_MAGIC, 0x4c, int)
-#define Z90STAT_CEX2CCOUNT _IOR(Z90_IOCTL_MAGIC, 0x4d, int)
-#define Z90STAT_CEX2ACOUNT _IOR(Z90_IOCTL_MAGIC, 0x4e, int)
-#define Z90STAT_REQUESTQ_COUNT _IOR(Z90_IOCTL_MAGIC, 0x44, int)
-#define Z90STAT_PENDINGQ_COUNT _IOR(Z90_IOCTL_MAGIC, 0x45, int)
-#define Z90STAT_TOTALOPEN_COUNT _IOR(Z90_IOCTL_MAGIC, 0x46, int)
-#define Z90STAT_DOMAIN_INDEX _IOR(Z90_IOCTL_MAGIC, 0x47, int)
-#define Z90STAT_STATUS_MASK _IOR(Z90_IOCTL_MAGIC, 0x48, char[64])
-#define Z90STAT_QDEPTH_MASK _IOR(Z90_IOCTL_MAGIC, 0x49, char[64])
-#define Z90STAT_PERDEV_REQCNT _IOR(Z90_IOCTL_MAGIC, 0x4a, int[64])
-
-#endif /* __ASM_S390_Z90CRYPT_H */
diff --git a/include/asm-s390/zcrypt.h b/include/asm-s390/zcrypt.h
new file mode 100644
index 00000000000..7244c68464f
--- /dev/null
+++ b/include/asm-s390/zcrypt.h
@@ -0,0 +1,285 @@
+/*
+ * include/asm-s390/zcrypt.h
+ *
+ * zcrypt 2.1.0 (user-visible header)
+ *
+ * Copyright (C) 2001, 2006 IBM Corporation
+ * Author(s): Robert Burroughs
+ * Eric Rossman (edrossma@us.ibm.com)
+ *
+ * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_S390_ZCRYPT_H
+#define __ASM_S390_ZCRYPT_H
+
+#define ZCRYPT_VERSION 2
+#define ZCRYPT_RELEASE 1
+#define ZCRYPT_VARIANT 0
+
+#include <linux/ioctl.h>
+#include <linux/compiler.h>
+
+/**
+ * struct ica_rsa_modexpo
+ *
+ * Requirements:
+ * - outputdatalength is at least as large as inputdatalength.
+ * - All key parts are right justified in their fields, padded on
+ * the left with zeroes.
+ * - length(b_key) = inputdatalength
+ * - length(n_modulus) = inputdatalength
+ */
+struct ica_rsa_modexpo {
+ char __user * inputdata;
+ unsigned int inputdatalength;
+ char __user * outputdata;
+ unsigned int outputdatalength;
+ char __user * b_key;
+ char __user * n_modulus;
+};
+
+/**
+ * struct ica_rsa_modexpo_crt
+ *
+ * Requirements:
+ * - inputdatalength is even.
+ * - outputdatalength is at least as large as inputdatalength.
+ * - All key parts are right justified in their fields, padded on
+ * the left with zeroes.
+ * - length(bp_key) = inputdatalength/2 + 8
+ * - length(bq_key) = inputdatalength/2
+ * - length(np_key) = inputdatalength/2 + 8
+ * - length(nq_key) = inputdatalength/2
+ * - length(u_mult_inv) = inputdatalength/2 + 8
+ */
+struct ica_rsa_modexpo_crt {
+ char __user * inputdata;
+ unsigned int inputdatalength;
+ char __user * outputdata;
+ unsigned int outputdatalength;
+ char __user * bp_key;
+ char __user * bq_key;
+ char __user * np_prime;
+ char __user * nq_prime;
+ char __user * u_mult_inv;
+};
+
+/**
+ * CPRBX
+ * Note that all shorts and ints are big-endian.
+ * All pointer fields are 16 bytes long, and mean nothing.
+ *
+ * A request CPRB is followed by a request_parameter_block.
+ *
+ * The request (or reply) parameter block is organized thus:
+ * function code
+ * VUD block
+ * key block
+ */
+struct ica_CPRBX {
+ unsigned short cprb_len; /* CPRB length 220 */
+ unsigned char cprb_ver_id; /* CPRB version id. 0x02 */
+ unsigned char pad_000[3]; /* Alignment pad bytes */
+ unsigned char func_id[2]; /* function id 0x5432 */
+ unsigned char cprb_flags[4]; /* Flags */
+ unsigned int req_parml; /* request parameter buffer len */
+ unsigned int req_datal; /* request data buffer */
+ unsigned int rpl_msgbl; /* reply message block length */
+ unsigned int rpld_parml; /* replied parameter block len */
+ unsigned int rpl_datal; /* reply data block len */
+ unsigned int rpld_datal; /* replied data block len */
+ unsigned int req_extbl; /* request extension block len */
+ unsigned char pad_001[4]; /* reserved */
+ unsigned int rpld_extbl; /* replied extension block len */
+ unsigned char padx000[16 - sizeof (char *)];
+ unsigned char * req_parmb; /* request parm block 'address' */
+ unsigned char padx001[16 - sizeof (char *)];
+ unsigned char * req_datab; /* request data block 'address' */
+ unsigned char padx002[16 - sizeof (char *)];
+ unsigned char * rpl_parmb; /* reply parm block 'address' */
+ unsigned char padx003[16 - sizeof (char *)];
+ unsigned char * rpl_datab; /* reply data block 'address' */
+ unsigned char padx004[16 - sizeof (char *)];
+ unsigned char * req_extb; /* request extension block 'addr'*/
+ unsigned char padx005[16 - sizeof (char *)];
+ unsigned char * rpl_extb; /* reply extension block 'addres'*/
+ unsigned short ccp_rtcode; /* server return code */
+ unsigned short ccp_rscode; /* server reason code */
+ unsigned int mac_data_len; /* Mac Data Length */
+ unsigned char logon_id[8]; /* Logon Identifier */
+ unsigned char mac_value[8]; /* Mac Value */
+ unsigned char mac_content_flgs;/* Mac content flag byte */
+ unsigned char pad_002; /* Alignment */
+ unsigned short domain; /* Domain */
+ unsigned char usage_domain[4];/* Usage domain */
+ unsigned char cntrl_domain[4];/* Control domain */
+ unsigned char S390enf_mask[4];/* S/390 enforcement mask */
+ unsigned char pad_004[36]; /* reserved */
+};
+
+/**
+ * xcRB
+ */
+struct ica_xcRB {
+ unsigned short agent_ID;
+ unsigned int user_defined;
+ unsigned short request_ID;
+ unsigned int request_control_blk_length;
+ unsigned char padding1[16 - sizeof (char *)];
+ char __user * request_control_blk_addr;
+ unsigned int request_data_length;
+ char padding2[16 - sizeof (char *)];
+ char __user * request_data_address;
+ unsigned int reply_control_blk_length;
+ char padding3[16 - sizeof (char *)];
+ char __user * reply_control_blk_addr;
+ unsigned int reply_data_length;
+ char padding4[16 - sizeof (char *)];
+ char __user * reply_data_addr;
+ unsigned short priority_window;
+ unsigned int status;
+} __attribute__((packed));
+#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
+
+#define ZCRYPT_IOCTL_MAGIC 'z'
+
+/**
+ * Interface notes:
+ *
+ * The ioctl()s which are implemented (along with relevant details)
+ * are:
+ *
+ * ICARSAMODEXPO
+ * Perform an RSA operation using a Modulus-Exponent pair
+ * This takes an ica_rsa_modexpo struct as its arg.
+ *
+ * NOTE: please refer to the comments preceding this structure
+ * for the implementation details for the contents of the
+ * block
+ *
+ * ICARSACRT
+ * Perform an RSA operation using a Chinese-Remainder Theorem key
+ * This takes an ica_rsa_modexpo_crt struct as its arg.
+ *
+ * NOTE: please refer to the comments preceding this structure
+ * for the implementation details for the contents of the
+ * block
+ *
+ * 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.
+ *
+ * Z90STAT_CEX2ACOUNT
+ * Return an integer count of all CEX2As.
+ *
+ * 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 a
+ * device 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.
+ *
+ * Z90STAT_STATUS_MASK
+ * Return an 64 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.
+ *
+ * ICAZ90STATUS (deprecated)
+ * Return some device driver status in a ica_z90_status struct
+ * This takes an ica_z90_status struct as its arg.
+ *
+ * NOTE: this ioctl() is deprecated, and has been replaced with
+ * single ioctl()s for each type of status being requested
+ *
+ * Z90STAT_PCIXCCCOUNT (deprecated)
+ * Return an integer count of all PCIXCCs (MCL2 + MCL3).
+ * This is DEPRECATED now that MCL3 PCIXCCs are treated differently from
+ * MCL2 PCIXCCs.
+ *
+ * Z90QUIESCE (not recommended)
+ * Quiesce the driver. This is intended to stop all new
+ * requests from being processed. Its use is NOT recommended,
+ * except in circumstances where there is no other way to stop
+ * callers from accessing the driver. Its original use was to
+ * allow the driver to be "drained" of work in preparation for
+ * a system shutdown.
+ *
+ * NOTE: once issued, this ban on new work cannot be undone
+ * except by unloading and reloading the driver.
+ */
+
+/**
+ * Supported ioctl calls
+ */
+#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
+#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
+#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 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 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])
+
+#endif /* __ASM_S390_ZCRYPT_H */
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