Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild
index 2531f67..1a18d7b 100644
--- a/arch/s390/include/asm/Kbuild
+++ b/arch/s390/include/asm/Kbuild
@@ -5,22 +5,6 @@
generated-y += unistd_nr.h
generic-y += asm-offsets.h
-generic-y += cacheflush.h
-generic-y += device.h
-generic-y += dma-contiguous.h
-generic-y += dma-mapping.h
-generic-y += div64.h
-generic-y += emergency-restart.h
generic-y += export.h
-generic-y += fb.h
-generic-y += irq_regs.h
-generic-y += irq_work.h
-generic-y += kmap_types.h
-generic-y += local.h
-generic-y += local64.h
+generic-y += kvm_types.h
generic-y += mcs_spinlock.h
-generic-y += mm-arch-hooks.h
-generic-y += mmiowb.h
-generic-y += trace_clock.h
-generic-y += unaligned.h
-generic-y += word-at-a-time.h
diff --git a/arch/s390/include/asm/alternative.h b/arch/s390/include/asm/alternative.h
index c2cf7bc..1c8a38f 100644
--- a/arch/s390/include/asm/alternative.h
+++ b/arch/s390/include/asm/alternative.h
@@ -139,10 +139,10 @@
* without volatile and memory clobber.
*/
#define alternative(oldinstr, altinstr, facility) \
- asm volatile(ALTERNATIVE(oldinstr, altinstr, facility) : : : "memory")
+ asm_inline volatile(ALTERNATIVE(oldinstr, altinstr, facility) : : : "memory")
#define alternative_2(oldinstr, altinstr1, facility1, altinstr2, facility2) \
- asm volatile(ALTERNATIVE_2(oldinstr, altinstr1, facility1, \
+ asm_inline volatile(ALTERNATIVE_2(oldinstr, altinstr1, facility1, \
altinstr2, facility2) ::: "memory")
#endif /* __ASSEMBLY__ */
diff --git a/arch/s390/include/asm/archrandom.h b/arch/s390/include/asm/archrandom.h
index c67b82d..de61ce5 100644
--- a/arch/s390/include/asm/archrandom.h
+++ b/arch/s390/include/asm/archrandom.h
@@ -21,29 +21,17 @@
bool s390_arch_random_generate(u8 *buf, unsigned int nbytes);
-static inline bool arch_has_random(void)
+static inline bool __must_check arch_get_random_long(unsigned long *v)
{
return false;
}
-static inline bool arch_has_random_seed(void)
-{
- if (static_branch_likely(&s390_arch_random_available))
- return true;
- return false;
-}
-
-static inline bool arch_get_random_long(unsigned long *v)
+static inline bool __must_check arch_get_random_int(unsigned int *v)
{
return false;
}
-static inline bool arch_get_random_int(unsigned int *v)
-{
- return false;
-}
-
-static inline bool arch_get_random_seed_long(unsigned long *v)
+static inline bool __must_check arch_get_random_seed_long(unsigned long *v)
{
if (static_branch_likely(&s390_arch_random_available)) {
return s390_arch_random_generate((u8 *)v, sizeof(*v));
@@ -51,7 +39,7 @@
return false;
}
-static inline bool arch_get_random_seed_int(unsigned int *v)
+static inline bool __must_check arch_get_random_seed_int(unsigned int *v)
{
if (static_branch_likely(&s390_arch_random_available)) {
return s390_arch_random_generate((u8 *)v, sizeof(*v));
diff --git a/arch/s390/include/asm/asm-const.h b/arch/s390/include/asm/asm-const.h
new file mode 100644
index 0000000..11f615e
--- /dev/null
+++ b/arch/s390/include/asm/asm-const.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_S390_ASM_CONST_H
+#define _ASM_S390_ASM_CONST_H
+
+#ifdef __ASSEMBLY__
+# define stringify_in_c(...) __VA_ARGS__
+#else
+/* This version of stringify will deal with commas... */
+# define __stringify_in_c(...) #__VA_ARGS__
+# define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " "
+#endif
+#endif /* _ASM_S390_ASM_CONST_H */
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 491ad53..11c5952 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -15,8 +15,6 @@
#include <asm/barrier.h>
#include <asm/cmpxchg.h>
-#define ATOMIC_INIT(i) { (i) }
-
static inline int atomic_read(const atomic_t *v)
{
int c;
@@ -47,7 +45,11 @@
static inline void atomic_add(int i, atomic_t *v)
{
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
- if (__builtin_constant_p(i) && (i > -129) && (i < 128)) {
+ /*
+ * Order of conditions is important to circumvent gcc 10 bug:
+ * https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549318.html
+ */
+ if ((i > -129) && (i < 128) && __builtin_constant_p(i)) {
__atomic_add_const(i, &v->counter);
return;
}
@@ -114,7 +116,11 @@
static inline void atomic64_add(s64 i, atomic64_t *v)
{
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
- if (__builtin_constant_p(i) && (i > -129) && (i < 128)) {
+ /*
+ * Order of conditions is important to circumvent gcc 10 bug:
+ * https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549318.html
+ */
+ if ((i > -129) && (i < 128) && __builtin_constant_p(i)) {
__atomic64_add_const(i, (long *)&v->counter);
return;
}
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index eb7eed4..431e208 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -241,7 +241,9 @@
arch___clear_bit(nr, ptr);
}
-#include <asm-generic/bitops-instrumented.h>
+#include <asm-generic/bitops/instrumented-atomic.h>
+#include <asm-generic/bitops/instrumented-non-atomic.h>
+#include <asm-generic/bitops/instrumented-lock.h>
/*
* Functions which use MSB0 bit numbering.
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 713fc97..0b25f28 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -2,23 +2,22 @@
#ifndef _ASM_S390_BUG_H
#define _ASM_S390_BUG_H
-#include <linux/kernel.h>
+#include <linux/compiler.h>
#ifdef CONFIG_BUG
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define __EMIT_BUG(x) do { \
- asm volatile( \
- "0: j 0b+2\n" \
- "1:\n" \
+ asm_inline volatile( \
+ "0: mc 0,0\n" \
".section .rodata.str,\"aMS\",@progbits,1\n" \
- "2: .asciz \""__FILE__"\"\n" \
+ "1: .asciz \""__FILE__"\"\n" \
".previous\n" \
".section __bug_table,\"awM\",@progbits,%2\n" \
- "3: .long 1b-3b,2b-3b\n" \
+ "2: .long 0b-2b,1b-2b\n" \
" .short %0,%1\n" \
- " .org 3b+%2\n" \
+ " .org 2b+%2\n" \
".previous\n" \
: : "i" (__LINE__), \
"i" (x), \
@@ -28,13 +27,12 @@
#else /* CONFIG_DEBUG_BUGVERBOSE */
#define __EMIT_BUG(x) do { \
- asm volatile( \
- "0: j 0b+2\n" \
- "1:\n" \
+ asm_inline volatile( \
+ "0: mc 0,0\n" \
".section __bug_table,\"awM\",@progbits,%1\n" \
- "2: .long 1b-2b\n" \
+ "1: .long 0b-1b\n" \
" .short %0\n" \
- " .org 2b+%1\n" \
+ " .org 1b+%1\n" \
".previous\n" \
: : "i" (x), \
"i" (sizeof(struct bug_entry))); \
diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
index d5e22e8..0012817 100644
--- a/arch/s390/include/asm/cache.h
+++ b/arch/s390/include/asm/cache.h
@@ -14,6 +14,6 @@
#define L1_CACHE_SHIFT 8
#define NET_SKB_PAD 32
-#define __read_mostly __section(.data..read_mostly)
+#define __read_mostly __section(".data..read_mostly")
#endif
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index 865ce1c..c0be5fe 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -11,6 +11,7 @@
#include <linux/device.h>
#include <linux/mod_devicetable.h>
+#include <asm/chsc.h>
#include <asm/fcx.h>
#include <asm/irq.h>
#include <asm/schid.h>
@@ -236,4 +237,11 @@
struct channel_path_desc_fmt0 *ccw_device_get_chp_desc(struct ccw_device *, int);
u8 *ccw_device_get_util_str(struct ccw_device *cdev, int chp_idx);
+int ccw_device_pnso(struct ccw_device *cdev,
+ struct chsc_pnso_area *pnso_area, u8 oc,
+ struct chsc_pnso_resume_token resume_token, int cnc);
+int ccw_device_get_cssid(struct ccw_device *cdev, u8 *cssid);
+int ccw_device_get_iid(struct ccw_device *cdev, u8 *iid);
+int ccw_device_get_chpid(struct ccw_device *cdev, int chp_idx, u8 *chpid);
+int ccw_device_get_chid(struct ccw_device *cdev, int chp_idx, u16 *chid);
#endif /* _S390_CCWDEV_H_ */
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index 7293c13..ad3acb1 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -36,11 +36,6 @@
* @set_online: function called when device is set online
* @set_offline: function called when device is set offline
* @shutdown: function called when device is shut down
- * @prepare: prepare for pm state transition
- * @complete: undo work done in @prepare
- * @freeze: callback for freezing during hibernation snapshotting
- * @thaw: undo work done in @freeze
- * @restore: callback for restoring after hibernation
* @driver: embedded driver structure
* @ccw_driver: supported ccw_driver (optional)
*/
@@ -50,11 +45,6 @@
int (*set_online) (struct ccwgroup_device *);
int (*set_offline) (struct ccwgroup_device *);
void (*shutdown)(struct ccwgroup_device *);
- int (*prepare) (struct ccwgroup_device *);
- void (*complete) (struct ccwgroup_device *);
- int (*freeze)(struct ccwgroup_device *);
- int (*thaw) (struct ccwgroup_device *);
- int (*restore)(struct ccwgroup_device *);
struct device_driver driver;
struct ccw_driver *ccw_driver;
diff --git a/arch/s390/include/asm/checksum.h b/arch/s390/include/asm/checksum.h
index 91e376b..a8c02cf 100644
--- a/arch/s390/include/asm/checksum.h
+++ b/arch/s390/include/asm/checksum.h
@@ -13,21 +13,21 @@
#define _S390_CHECKSUM_H
#include <linux/uaccess.h>
+#include <linux/in6.h>
/*
- * computes the checksum of a memory block at buff, length len,
- * and adds in "sum" (32-bit)
+ * Computes the checksum of a memory block at buff, length len,
+ * and adds in "sum" (32-bit).
*
- * returns a 32-bit number suitable for feeding into itself
- * or csum_tcpudp_magic
+ * Returns a 32-bit number suitable for feeding into itself
+ * or csum_tcpudp_magic.
*
- * this function must be called with even lengths, except
- * for the last fragment, which may be odd
+ * This function must be called with even lengths, except
+ * for the last fragment, which may be odd.
*
- * it's best to have buff aligned on a 32-bit boundary
+ * It's best to have buff aligned on a 32-bit boundary.
*/
-static inline __wsum
-csum_partial(const void *buff, int len, __wsum sum)
+static inline __wsum csum_partial(const void *buff, int len, __wsum sum)
{
register unsigned long reg2 asm("2") = (unsigned long) buff;
register unsigned long reg3 asm("3") = (unsigned long) len;
@@ -40,100 +40,91 @@
}
/*
- * the same as csum_partial_copy, but copies from user space.
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- *
- * Copy from userspace and compute checksum.
- */
-static inline __wsum
-csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum,
- int *err_ptr)
-{
- if (unlikely(copy_from_user(dst, src, len)))
- *err_ptr = -EFAULT;
- return csum_partial(dst, len, sum);
-}
-
-
-static inline __wsum
-csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum)
-{
- memcpy(dst,src,len);
- return csum_partial(dst, len, sum);
-}
-
-/*
- * Fold a partial checksum without adding pseudo headers
+ * Fold a partial checksum without adding pseudo headers.
*/
static inline __sum16 csum_fold(__wsum sum)
{
u32 csum = (__force u32) sum;
- csum += (csum >> 16) + (csum << 16);
+ csum += (csum >> 16) | (csum << 16);
csum >>= 16;
return (__force __sum16) ~csum;
}
/*
- * This is a version of ip_compute_csum() optimized for IP headers,
- * which always checksum on 4 octet boundaries.
- *
+ * This is a version of ip_compute_csum() optimized for IP headers,
+ * which always checksums on 4 octet boundaries.
*/
static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
- return csum_fold(csum_partial(iph, ihl*4, 0));
+ __u64 csum = 0;
+ __u32 *ptr = (u32 *)iph;
+
+ csum += *ptr++;
+ csum += *ptr++;
+ csum += *ptr++;
+ csum += *ptr++;
+ ihl -= 4;
+ while (ihl--)
+ csum += *ptr++;
+ csum += (csum >> 32) | (csum << 32);
+ return csum_fold((__force __wsum)(csum >> 32));
}
/*
- * computes the checksum of the TCP/UDP pseudo-header
- * returns a 32-bit checksum
+ * Computes the checksum of the TCP/UDP pseudo-header.
+ * Returns a 32-bit checksum.
*/
-static inline __wsum
-csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, __u8 proto,
- __wsum sum)
+static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len,
+ __u8 proto, __wsum sum)
{
- __u32 csum = (__force __u32)sum;
+ __u64 csum = (__force __u64)sum;
csum += (__force __u32)saddr;
- if (csum < (__force __u32)saddr)
- csum++;
-
csum += (__force __u32)daddr;
- if (csum < (__force __u32)daddr)
- csum++;
-
- csum += len + proto;
- if (csum < len + proto)
- csum++;
-
- return (__force __wsum)csum;
+ csum += len;
+ csum += proto;
+ csum += (csum >> 32) | (csum << 32);
+ return (__force __wsum)(csum >> 32);
}
/*
- * computes the checksum of the TCP/UDP pseudo-header
- * returns a 16-bit checksum, already complemented
+ * Computes the checksum of the TCP/UDP pseudo-header.
+ * Returns a 16-bit checksum, already complemented.
*/
-
-static inline __sum16
-csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, __u8 proto,
- __wsum sum)
+static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len,
+ __u8 proto, __wsum sum)
{
- return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
+ return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
}
/*
- * this routine is used for miscellaneous IP-like checksums, mainly
- * in icmp.c
+ * Used for miscellaneous IP-like checksums, mainly icmp.
*/
-
static inline __sum16 ip_compute_csum(const void *buff, int len)
{
return csum_fold(csum_partial(buff, len, 0));
}
+#define _HAVE_ARCH_IPV6_CSUM
+static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
+ __u32 len, __u8 proto, __wsum csum)
+{
+ __u64 sum = (__force __u64)csum;
+
+ sum += (__force __u32)saddr->s6_addr32[0];
+ sum += (__force __u32)saddr->s6_addr32[1];
+ sum += (__force __u32)saddr->s6_addr32[2];
+ sum += (__force __u32)saddr->s6_addr32[3];
+ sum += (__force __u32)daddr->s6_addr32[0];
+ sum += (__force __u32)daddr->s6_addr32[1];
+ sum += (__force __u32)daddr->s6_addr32[2];
+ sum += (__force __u32)daddr->s6_addr32[3];
+ sum += len;
+ sum += proto;
+ sum += (sum >> 32) | (sum << 32);
+ return csum_fold((__force __wsum)(sum >> 32));
+}
+
#endif /* _S390_CHECKSUM_H */
-
-
diff --git a/arch/s390/include/asm/chsc.h b/arch/s390/include/asm/chsc.h
new file mode 100644
index 0000000..ae4d254
--- /dev/null
+++ b/arch/s390/include/asm/chsc.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright IBM Corp. 2020
+ *
+ * Author(s): Alexandra Winter <wintera@linux.ibm.com>
+ *
+ * Interface for Channel Subsystem Call
+ */
+#ifndef _ASM_S390_CHSC_H
+#define _ASM_S390_CHSC_H
+
+#include <uapi/asm/chsc.h>
+
+/**
+ * Operation codes for CHSC PNSO:
+ * PNSO_OC_NET_BRIDGE_INFO - only addresses that are visible to a bridgeport
+ * PNSO_OC_NET_ADDR_INFO - all addresses
+ */
+#define PNSO_OC_NET_BRIDGE_INFO 0
+#define PNSO_OC_NET_ADDR_INFO 3
+/**
+ * struct chsc_pnso_naid_l2 - network address information descriptor
+ * @nit: Network interface token
+ * @addr_lnid: network address and logical network id (VLAN ID)
+ */
+struct chsc_pnso_naid_l2 {
+ u64 nit;
+ struct { u8 mac[6]; u16 lnid; } addr_lnid;
+} __packed;
+
+struct chsc_pnso_resume_token {
+ u64 t1;
+ u64 t2;
+} __packed;
+
+struct chsc_pnso_naihdr {
+ struct chsc_pnso_resume_token resume_token;
+ u32:32;
+ u32 instance;
+ u32:24;
+ u8 naids;
+ u32 reserved[3];
+} __packed;
+
+struct chsc_pnso_area {
+ struct chsc_header request;
+ u8:2;
+ u8 m:1;
+ u8:5;
+ u8:2;
+ u8 ssid:2;
+ u8 fmt:4;
+ u16 sch;
+ u8:8;
+ u8 cssid;
+ u16:16;
+ u8 oc;
+ u32:24;
+ struct chsc_pnso_resume_token resume_token;
+ u32 n:1;
+ u32:31;
+ u32 reserved[3];
+ struct chsc_header response;
+ u32:32;
+ struct chsc_pnso_naihdr naihdr;
+ struct chsc_pnso_naid_l2 entries[0];
+} __packed __aligned(PAGE_SIZE);
+
+#endif /* _ASM_S390_CHSC_H */
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index b5bfb31..5c58756 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -356,7 +356,6 @@
return 8 - ffs(mask);
}
-void channel_subsystem_reinit(void);
extern void css_schedule_reprobe(void);
extern void *cio_dma_zalloc(size_t size);
@@ -372,6 +371,7 @@
/* 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);
+int chsc_stzi(void *page, void *result, size_t size);
int chsc_sgib(u32 origin);
#endif
diff --git a/arch/s390/include/asm/clocksource.h b/arch/s390/include/asm/clocksource.h
new file mode 100644
index 0000000..0343436
--- /dev/null
+++ b/arch/s390/include/asm/clocksource.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* s390-specific clocksource additions */
+
+#ifndef _ASM_S390_CLOCKSOURCE_H
+#define _ASM_S390_CLOCKSOURCE_H
+
+#endif /* _ASM_S390_CLOCKSOURCE_H */
diff --git a/arch/s390/include/asm/clp.h b/arch/s390/include/asm/clp.h
index 3925b0f..10919ee 100644
--- a/arch/s390/include/asm/clp.h
+++ b/arch/s390/include/asm/clp.h
@@ -5,6 +5,9 @@
/* CLP common request & response block size */
#define CLP_BLK_SIZE PAGE_SIZE
+/* Call Logical Processor - Command Code */
+#define CLP_SLPC 0x0001
+
#define CLP_LPS_BASE 0
#define CLP_LPS_PCI 2
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 63b46e3..ea5b9c3 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -63,8 +63,6 @@
typedef u16 compat_ipc_pid_t;
typedef u32 compat_caddr_t;
typedef __kernel_fsid_t compat_fsid_t;
-typedef s64 compat_s64;
-typedef u64 compat_u64;
typedef struct {
u32 mask;
@@ -177,11 +175,7 @@
{
return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
}
-
-static inline compat_uptr_t ptr_to_compat(void __user *uptr)
-{
- return (u32)(unsigned long)uptr;
-}
+#define compat_ptr(uptr) compat_ptr(uptr)
#ifdef CONFIG_COMPAT
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index 819803a..0d90cbe 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -313,7 +313,7 @@
return (unsigned long *) ret;
}
-/* Return if the entry in the sample data block table (sdbt)
+/* Return true if the entry in the sample data block table (sdbt)
* is a link to the next sdbt */
static inline int is_link_entry(unsigned long *s)
{
diff --git a/arch/s390/include/asm/css_chars.h b/arch/s390/include/asm/css_chars.h
index 480bb02..638137d 100644
--- a/arch/s390/include/asm/css_chars.h
+++ b/arch/s390/include/asm/css_chars.h
@@ -36,7 +36,9 @@
u64 alt_ssi : 1; /* bit 108 */
u64 : 1;
u64 narf : 1; /* bit 110 */
- u64 : 12;
+ u64 : 5;
+ u64 enarf: 1; /* bit 116 */
+ u64 : 6;
u64 util_str : 1;/* bit 123 */
} __packed;
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h
index 60f9075..ed5efbb 100644
--- a/arch/s390/include/asm/ctl_reg.h
+++ b/arch/s390/include/asm/ctl_reg.h
@@ -11,6 +11,7 @@
#include <linux/bits.h>
#define CR0_CLOCK_COMPARATOR_SIGN BIT(63 - 10)
+#define CR0_LOW_ADDRESS_PROTECTION BIT(63 - 35)
#define CR0_EMERGENCY_SIGNAL_SUBMASK BIT(63 - 49)
#define CR0_EXTERNAL_CALL_SUBMASK BIT(63 - 50)
#define CR0_CLOCK_COMPARATOR_SUBMASK BIT(63 - 52)
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index 3101340..c1b82bc 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -2,7 +2,7 @@
/*
* S/390 debug facility
*
- * Copyright IBM Corp. 1999, 2000
+ * Copyright IBM Corp. 1999, 2020
*/
#ifndef DEBUG_H
#define DEBUG_H
@@ -12,7 +12,7 @@
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/refcount.h>
-#include <uapi/asm/debug.h>
+#include <linux/fs.h>
#define DEBUG_MAX_LEVEL 6 /* debug levels range from 0 to 6 */
#define DEBUG_OFF_LEVEL -1 /* level where debug is switched off */
@@ -26,6 +26,16 @@
#define DEBUG_DATA(entry) (char *)(entry + 1) /* data is stored behind */
/* the entry information */
+#define __DEBUG_FEATURE_VERSION 3 /* version of debug feature */
+
+struct __debug_entry {
+ unsigned long clock : 60;
+ unsigned long exception : 1;
+ unsigned long level : 3;
+ void *caller;
+ unsigned short cpu;
+} __packed;
+
typedef struct __debug_entry debug_entry_t;
struct debug_view;
@@ -82,7 +92,6 @@
};
extern struct debug_view debug_hex_ascii_view;
-extern struct debug_view debug_raw_view;
extern struct debug_view debug_sprintf_view;
/* do NOT use the _common functions */
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h
index 0036eab..ca8f85b 100644
--- a/arch/s390/include/asm/diag.h
+++ b/arch/s390/include/asm/diag.h
@@ -298,10 +298,8 @@
union diag318_info {
unsigned long val;
struct {
- unsigned int cpnc : 8;
- unsigned int cpvc_linux : 24;
- unsigned char cpvc_distro[3];
- unsigned char zero;
+ unsigned long cpnc : 8;
+ unsigned long cpvc : 56;
};
};
diff --git a/arch/s390/include/asm/extable.h b/arch/s390/include/asm/extable.h
index ae27f75..ce0db81 100644
--- a/arch/s390/include/asm/extable.h
+++ b/arch/s390/include/asm/extable.h
@@ -1,12 +1,20 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __S390_EXTABLE_H
#define __S390_EXTABLE_H
+
+#include <asm/ptrace.h>
+#include <linux/compiler.h>
+
/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
+ * The exception table consists of three addresses:
+ *
+ * - Address of an instruction that is allowed to fault.
+ * - Address at which the program should continue.
+ * - Optional address of handler that takes pt_regs * argument and runs in
+ * interrupt context.
+ *
+ * No registers are modified, so it is entirely up to the continuation code
+ * to figure out what to do.
*
* All the routines below use bits of fixup code that are out of line
* with the main instruction path. This means when everything is well,
@@ -17,6 +25,7 @@
struct exception_table_entry
{
int insn, fixup;
+ long handler;
};
extern struct exception_table_entry *__start_dma_ex_table;
@@ -29,6 +38,44 @@
return (unsigned long)&x->fixup + x->fixup;
}
+typedef bool (*ex_handler_t)(const struct exception_table_entry *,
+ struct pt_regs *);
+
+static inline ex_handler_t
+ex_fixup_handler(const struct exception_table_entry *x)
+{
+ if (likely(!x->handler))
+ return NULL;
+ return (ex_handler_t)((unsigned long)&x->handler + x->handler);
+}
+
+static inline bool ex_handle(const struct exception_table_entry *x,
+ struct pt_regs *regs)
+{
+ ex_handler_t handler = ex_fixup_handler(x);
+
+ if (unlikely(handler))
+ return handler(x, regs);
+ regs->psw.addr = extable_fixup(x);
+ return true;
+}
+
#define ARCH_HAS_RELATIVE_EXTABLE
+static inline void swap_ex_entry_fixup(struct exception_table_entry *a,
+ struct exception_table_entry *b,
+ struct exception_table_entry tmp,
+ int delta)
+{
+ a->fixup = b->fixup + delta;
+ b->fixup = tmp.fixup - delta;
+ a->handler = b->handler;
+ if (a->handler)
+ a->handler += delta;
+ b->handler = tmp.handler;
+ if (b->handler)
+ b->handler -= delta;
+}
+#define swap_ex_entry_fixup swap_ex_entry_fixup
+
#endif
diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h
index 5e97a43..26f9144 100644
--- a/arch/s390/include/asm/futex.h
+++ b/arch/s390/include/asm/futex.h
@@ -29,7 +29,6 @@
mm_segment_t old_fs;
old_fs = enable_sacf_uaccess();
- pagefault_disable();
switch (op) {
case FUTEX_OP_SET:
__futex_atomic_op("lr %2,%5\n",
@@ -54,7 +53,6 @@
default:
ret = -ENOSYS;
}
- pagefault_enable();
disable_sacf_uaccess(old_fs);
if (!ret)
diff --git a/arch/s390/include/asm/gmap.h b/arch/s390/include/asm/gmap.h
index 37f96b6..40264f6 100644
--- a/arch/s390/include/asm/gmap.h
+++ b/arch/s390/include/asm/gmap.h
@@ -9,6 +9,7 @@
#ifndef _ASM_S390_GMAP_H
#define _ASM_S390_GMAP_H
+#include <linux/radix-tree.h>
#include <linux/refcount.h>
/* Generic bits for GMAP notification on DAT table entry changes. */
@@ -31,6 +32,7 @@
* @table: pointer to the page directory
* @asce: address space control element for gmap page table
* @pfault_enabled: defines if pfaults are applicable for the guest
+ * @guest_handle: protected virtual machine handle for the ultravisor
* @host_to_rmap: radix tree with gmap_rmap lists
* @children: list of shadow gmap structures
* @pt_list: list of all page tables used in the shadow guest address space
@@ -54,6 +56,8 @@
unsigned long asce_end;
void *private;
bool pfault_enabled;
+ /* only set for protected virtual machines */
+ unsigned long guest_handle;
/* Additional data for shadow guest address spaces */
struct radix_tree_root host_to_rmap;
struct list_head children;
@@ -136,12 +140,12 @@
void gmap_register_pte_notifier(struct gmap_notifier *);
void gmap_unregister_pte_notifier(struct gmap_notifier *);
-void gmap_pte_notify(struct mm_struct *, unsigned long addr, pte_t *,
- unsigned long bits);
int gmap_mprotect_notify(struct gmap *, unsigned long start,
unsigned long len, int prot);
void gmap_sync_dirty_log_pmd(struct gmap *gmap, unsigned long dirty_bitmap[4],
unsigned long gaddr, unsigned long vmaddr);
+int gmap_mark_unmergeable(void);
+void s390_reset_acc(struct mm_struct *mm);
#endif /* _ASM_S390_GMAP_H */
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index de8f0bf..60f9241 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -9,8 +9,8 @@
#ifndef _ASM_S390_HUGETLB_H
#define _ASM_S390_HUGETLB_H
+#include <linux/pgtable.h>
#include <asm/page.h>
-#include <asm/pgtable.h>
#define hugetlb_free_pgd_range free_pgd_range
#define hugepages_supported() (MACHINE_HAS_EDAT1)
@@ -21,13 +21,6 @@
pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
-static inline bool is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len)
-{
- return false;
-}
-
/*
* If the arch doesn't supply something else, assume that hugepage
* size aligned regions are ok without further preparation.
@@ -46,6 +39,7 @@
{
clear_bit(PG_arch_1, &page->flags);
}
+#define arch_clear_hugepage_flags arch_clear_hugepage_flags
static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz)
diff --git a/arch/s390/include/asm/hw_irq.h b/arch/s390/include/asm/hw_irq.h
index adae176..9078b5b 100644
--- a/arch/s390/include/asm/hw_irq.h
+++ b/arch/s390/include/asm/hw_irq.h
@@ -7,6 +7,5 @@
void __init init_airq_interrupts(void);
void __init init_cio_interrupts(void);
-void __init init_ext_interrupts(void);
#endif
diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index ca42161..28664ee 100644
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <asm/page.h>
+#include <asm/pgtable.h>
#include <asm/pci_io.h>
#define xlate_dev_mem_ptr xlate_dev_mem_ptr
@@ -26,11 +27,10 @@
#define IO_SPACE_LIMIT 0
-#define ioremap_nocache(addr, size) ioremap(addr, size)
-#define ioremap_wc ioremap_nocache
-#define ioremap_wt ioremap_nocache
-
-void __iomem *ioremap(unsigned long offset, unsigned long size);
+void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot);
+void __iomem *ioremap(phys_addr_t addr, size_t size);
+void __iomem *ioremap_wc(phys_addr_t addr, size_t size);
+void __iomem *ioremap_wt(phys_addr_t addr, size_t size);
void iounmap(volatile void __iomem *addr);
static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
@@ -56,6 +56,10 @@
#define pci_iomap_wc pci_iomap_wc
#define pci_iomap_wc_range pci_iomap_wc_range
+#define ioremap ioremap
+#define ioremap_wt ioremap_wt
+#define ioremap_wc ioremap_wc
+
#define memcpy_fromio(dst, src, count) zpci_memcpy_fromio(dst, src, count)
#define memcpy_toio(dst, src, count) zpci_memcpy_toio(dst, src, count)
#define memset_io(dst, val, count) zpci_memset_io(dst, val, count)
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index 084e71b..a9e2c72 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -21,6 +21,7 @@
struct ipl_pb0_common common;
struct ipl_pb0_fcp fcp;
struct ipl_pb0_ccw ccw;
+ struct ipl_pb0_nvme nvme;
char raw[PAGE_SIZE - sizeof(struct ipl_pl_hdr)];
};
} __packed __aligned(PAGE_SIZE);
@@ -30,6 +31,11 @@
#define IPL_BP_FCP_LEN (sizeof(struct ipl_pl_hdr) + \
sizeof(struct ipl_pb0_fcp))
#define IPL_BP0_FCP_LEN (sizeof(struct ipl_pb0_fcp))
+
+#define IPL_BP_NVME_LEN (sizeof(struct ipl_pl_hdr) + \
+ sizeof(struct ipl_pb0_nvme))
+#define IPL_BP0_NVME_LEN (sizeof(struct ipl_pb0_nvme))
+
#define IPL_BP_CCW_LEN (sizeof(struct ipl_pl_hdr) + \
sizeof(struct ipl_pb0_ccw))
#define IPL_BP0_CCW_LEN (sizeof(struct ipl_pb0_ccw))
@@ -59,6 +65,8 @@
IPL_TYPE_FCP = 4,
IPL_TYPE_FCP_DUMP = 8,
IPL_TYPE_NSS = 16,
+ IPL_TYPE_NVME = 32,
+ IPL_TYPE_NVME_DUMP = 64,
};
struct ipl_info
@@ -74,6 +82,10 @@
u64 lun;
} fcp;
struct {
+ u32 fid;
+ u32 nsid;
+ } nvme;
+ struct {
char name[NSS_NAME_SIZE + 1];
} nss;
} data;
@@ -83,6 +95,12 @@
extern void setup_ipl(void);
extern void set_os_info_reipl_block(void);
+static inline bool is_ipl_type_dump(void)
+{
+ return (ipl_info.type == IPL_TYPE_FCP_DUMP) ||
+ (ipl_info.type == IPL_TYPE_NVME_DUMP);
+}
+
struct ipl_report {
struct ipl_parameter_block *ipib;
struct list_head components;
@@ -119,6 +137,7 @@
DIAG308_LOAD_NORMAL_DUMP = 4,
DIAG308_SET = 5,
DIAG308_STORE = 6,
+ DIAG308_LOAD_NORMAL = 7,
};
enum diag308_rc {
diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h
index 39f747d..dcb1bba 100644
--- a/arch/s390/include/asm/jump_label.h
+++ b/arch/s390/include/asm/jump_label.h
@@ -10,7 +10,9 @@
#define JUMP_LABEL_NOP_SIZE 6
#define JUMP_LABEL_NOP_OFFSET 2
-#if __GNUC__ < 9
+#ifdef CONFIG_CC_IS_CLANG
+#define JUMP_LABEL_STATIC_KEY_CONSTRAINT "i"
+#elif __GNUC__ < 9
#define JUMP_LABEL_STATIC_KEY_CONSTRAINT "X"
#else
#define JUMP_LABEL_STATIC_KEY_CONSTRAINT "jdd"
diff --git a/arch/s390/include/asm/kasan.h b/arch/s390/include/asm/kasan.h
index 70930fe..e9bf486 100644
--- a/arch/s390/include/asm/kasan.h
+++ b/arch/s390/include/asm/kasan.h
@@ -2,8 +2,6 @@
#ifndef __ASM_KASAN_H
#define __ASM_KASAN_H
-#include <asm/pgtable.h>
-
#ifdef CONFIG_KASAN
#define KASAN_SHADOW_SCALE_SHIFT 3
@@ -21,6 +19,7 @@
extern void kasan_early_init(void);
extern void kasan_copy_shadow(pgd_t *dst);
extern void kasan_free_early_identity(void);
+extern unsigned long kasan_vmax;
#else
static inline void kasan_early_init(void) { }
static inline void kasan_copy_shadow(pgd_t *dst) { }
diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h
index ea398a0..7f3c9ac 100644
--- a/arch/s390/include/asm/kexec.h
+++ b/arch/s390/include/asm/kexec.h
@@ -74,6 +74,12 @@
int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val,
unsigned long addr);
+#define ARCH_HAS_KIMAGE_ARCH
+
+struct kimage_arch {
+ void *ipl_buf;
+};
+
extern const struct kexec_file_ops s390_kexec_image_ops;
extern const struct kexec_file_ops s390_kexec_elf_ops;
diff --git a/arch/s390/include/asm/kprobes.h b/arch/s390/include/asm/kprobes.h
index b106aa2..09cdb63 100644
--- a/arch/s390/include/asm/kprobes.h
+++ b/arch/s390/include/asm/kprobes.h
@@ -54,7 +54,6 @@
struct arch_specific_insn {
/* copy of original instruction */
kprobe_opcode_t *insn;
- unsigned int is_ftrace_insn : 1;
};
struct prev_kprobe {
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 4d59d11..171913b 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -122,6 +122,17 @@
__u32 reserved;
};
+#define CR0_INITIAL_MASK (CR0_UNUSED_56 | CR0_INTERRUPT_KEY_SUBMASK | \
+ CR0_MEASUREMENT_ALERT_SUBMASK)
+#define CR14_INITIAL_MASK (CR14_UNUSED_32 | CR14_UNUSED_33 | \
+ CR14_EXTERNAL_DAMAGE_SUBMASK)
+
+#define SIDAD_SIZE_MASK 0xff
+#define sida_origin(sie_block) \
+ ((sie_block)->sidad & PAGE_MASK)
+#define sida_size(sie_block) \
+ ((((sie_block)->sidad & SIDAD_SIZE_MASK) + 1) * PAGE_SIZE)
+
#define CPUSTAT_STOPPED 0x80000000
#define CPUSTAT_WAIT 0x10000000
#define CPUSTAT_ECALL_PEND 0x08000000
@@ -155,7 +166,13 @@
__u8 reserved08[4]; /* 0x0008 */
#define PROG_IN_SIE (1<<0)
__u32 prog0c; /* 0x000c */
- __u8 reserved10[16]; /* 0x0010 */
+ union {
+ __u8 reserved10[16]; /* 0x0010 */
+ struct {
+ __u64 pv_handle_cpu;
+ __u64 pv_handle_config;
+ };
+ };
#define PROG_BLOCK_SIE (1<<0)
#define PROG_REQUEST (1<<1)
atomic_t prog20; /* 0x0020 */
@@ -204,10 +221,23 @@
#define ICPT_PARTEXEC 0x38
#define ICPT_IOINST 0x40
#define ICPT_KSS 0x5c
+#define ICPT_MCHKREQ 0x60
+#define ICPT_INT_ENABLE 0x64
+#define ICPT_PV_INSTR 0x68
+#define ICPT_PV_NOTIFY 0x6c
+#define ICPT_PV_PREF 0x70
__u8 icptcode; /* 0x0050 */
__u8 icptstatus; /* 0x0051 */
__u16 ihcpu; /* 0x0052 */
- __u8 reserved54[2]; /* 0x0054 */
+ __u8 reserved54; /* 0x0054 */
+#define IICTL_CODE_NONE 0x00
+#define IICTL_CODE_MCHK 0x01
+#define IICTL_CODE_EXT 0x02
+#define IICTL_CODE_IO 0x03
+#define IICTL_CODE_RESTART 0x04
+#define IICTL_CODE_SPECIFICATION 0x10
+#define IICTL_CODE_OPERAND 0x11
+ __u8 iictl; /* 0x0055 */
__u16 ipa; /* 0x0056 */
__u32 ipb; /* 0x0058 */
__u32 scaoh; /* 0x005c */
@@ -228,9 +258,10 @@
#define ECB3_RI 0x01
__u8 ecb3; /* 0x0063 */
__u32 scaol; /* 0x0064 */
- __u8 reserved68; /* 0x0068 */
+ __u8 sdf; /* 0x0068 */
__u8 epdx; /* 0x0069 */
- __u8 reserved6a[2]; /* 0x006a */
+ __u8 cpnc; /* 0x006a */
+ __u8 reserved6b; /* 0x006b */
__u32 todpr; /* 0x006c */
#define GISA_FORMAT1 0x00000001
__u32 gd; /* 0x0070 */
@@ -244,31 +275,58 @@
#define HPID_KVM 0x4
#define HPID_VSIE 0x5
__u8 hpid; /* 0x00b8 */
- __u8 reservedb9[11]; /* 0x00b9 */
- __u16 extcpuaddr; /* 0x00c4 */
- __u16 eic; /* 0x00c6 */
+ __u8 reservedb9[7]; /* 0x00b9 */
+ union {
+ struct {
+ __u32 eiparams; /* 0x00c0 */
+ __u16 extcpuaddr; /* 0x00c4 */
+ __u16 eic; /* 0x00c6 */
+ };
+ __u64 mcic; /* 0x00c0 */
+ } __packed;
__u32 reservedc8; /* 0x00c8 */
- __u16 pgmilc; /* 0x00cc */
- __u16 iprcc; /* 0x00ce */
- __u32 dxc; /* 0x00d0 */
- __u16 mcn; /* 0x00d4 */
- __u8 perc; /* 0x00d6 */
- __u8 peratmid; /* 0x00d7 */
+ union {
+ struct {
+ __u16 pgmilc; /* 0x00cc */
+ __u16 iprcc; /* 0x00ce */
+ };
+ __u32 edc; /* 0x00cc */
+ } __packed;
+ union {
+ struct {
+ __u32 dxc; /* 0x00d0 */
+ __u16 mcn; /* 0x00d4 */
+ __u8 perc; /* 0x00d6 */
+ __u8 peratmid; /* 0x00d7 */
+ };
+ __u64 faddr; /* 0x00d0 */
+ } __packed;
__u64 peraddr; /* 0x00d8 */
__u8 eai; /* 0x00e0 */
__u8 peraid; /* 0x00e1 */
__u8 oai; /* 0x00e2 */
__u8 armid; /* 0x00e3 */
__u8 reservede4[4]; /* 0x00e4 */
- __u64 tecmc; /* 0x00e8 */
- __u8 reservedf0[12]; /* 0x00f0 */
+ union {
+ __u64 tecmc; /* 0x00e8 */
+ struct {
+ __u16 subchannel_id; /* 0x00e8 */
+ __u16 subchannel_nr; /* 0x00ea */
+ __u32 io_int_parm; /* 0x00ec */
+ __u32 io_int_word; /* 0x00f0 */
+ };
+ } __packed;
+ __u8 reservedf4[8]; /* 0x00f4 */
#define CRYCB_FORMAT_MASK 0x00000003
#define CRYCB_FORMAT0 0x00000000
#define CRYCB_FORMAT1 0x00000001
#define CRYCB_FORMAT2 0x00000003
__u32 crycbd; /* 0x00fc */
__u64 gcr[16]; /* 0x0100 */
- __u64 gbea; /* 0x0180 */
+ union {
+ __u64 gbea; /* 0x0180 */
+ __u64 sidad;
+ };
__u8 reserved188[8]; /* 0x0188 */
__u64 sdnxo; /* 0x0190 */
__u8 reserved198[8]; /* 0x0198 */
@@ -287,7 +345,7 @@
__u64 itdba; /* 0x01e8 */
__u64 riccbd; /* 0x01f0 */
__u64 gvrd; /* 0x01f8 */
-} __attribute__((packed));
+} __packed __aligned(512);
struct kvm_s390_itdb {
__u8 data[256];
@@ -296,7 +354,9 @@
struct sie_page {
struct kvm_s390_sie_block sie_block;
struct mcck_volatile_info mcck_info; /* 0x0200 */
- __u8 reserved218[1000]; /* 0x0218 */
+ __u8 reserved218[360]; /* 0x0218 */
+ __u64 pv_grregs[16]; /* 0x0380 */
+ __u8 reserved400[512]; /* 0x0400 */
struct kvm_s390_itdb itdb; /* 0x0600 */
__u8 reserved700[2304]; /* 0x0700 */
};
@@ -316,6 +376,8 @@
u64 halt_poll_invalid;
u64 halt_no_poll_steal;
u64 halt_wakeup;
+ u64 halt_poll_success_ns;
+ u64 halt_poll_fail_ns;
u64 instruction_lctl;
u64 instruction_lctlg;
u64 instruction_stctl;
@@ -392,6 +454,7 @@
u64 diagnose_10;
u64 diagnose_44;
u64 diagnose_9c;
+ u64 diagnose_9c_ignored;
u64 diagnose_258;
u64 diagnose_308;
u64 diagnose_500;
@@ -470,6 +533,7 @@
IRQ_PEND_PFAULT_INIT,
IRQ_PEND_EXT_HOST,
IRQ_PEND_EXT_SERVICE,
+ IRQ_PEND_EXT_SERVICE_EV,
IRQ_PEND_EXT_TIMING,
IRQ_PEND_EXT_CPU_TIMER,
IRQ_PEND_EXT_CLOCK_COMP,
@@ -514,6 +578,7 @@
(1UL << IRQ_PEND_EXT_TIMING) | \
(1UL << IRQ_PEND_EXT_HOST) | \
(1UL << IRQ_PEND_EXT_SERVICE) | \
+ (1UL << IRQ_PEND_EXT_SERVICE_EV) | \
(1UL << IRQ_PEND_VIRTIO) | \
(1UL << IRQ_PEND_PFAULT_INIT) | \
(1UL << IRQ_PEND_PFAULT_DONE))
@@ -530,6 +595,13 @@
#define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \
(1UL << IRQ_PEND_MCHK_EX))
+#define IRQ_PEND_EXT_II_MASK ((1UL << IRQ_PEND_EXT_CPU_TIMER) | \
+ (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \
+ (1UL << IRQ_PEND_EXT_EMERGENCY) | \
+ (1UL << IRQ_PEND_EXT_EXTERNAL) | \
+ (1UL << IRQ_PEND_EXT_SERVICE) | \
+ (1UL << IRQ_PEND_EXT_SERVICE_EV))
+
struct kvm_s390_interrupt_info {
struct list_head list;
u64 type;
@@ -588,6 +660,7 @@
struct kvm_s390_float_interrupt {
unsigned long pending_irqs;
+ unsigned long masked_irqs;
spinlock_t lock;
struct list_head lists[FIRQ_LIST_COUNT];
int counters[FIRQ_MAX_COUNT];
@@ -639,6 +712,11 @@
unsigned long last_bp;
};
+struct kvm_s390_pv_vcpu {
+ u64 handle;
+ unsigned long stor_base;
+};
+
struct kvm_vcpu_arch {
struct kvm_s390_sie_block *sie_block;
/* if vsie is active, currently executed shadow sie control block */
@@ -667,6 +745,8 @@
__u64 cputm_start;
bool gs_enabled;
bool skey_enabled;
+ struct kvm_s390_pv_vcpu pv;
+ union diag318_info diag318_info;
};
struct kvm_vm_stat {
@@ -695,9 +775,6 @@
bool masked;
bool swap;
bool suppressible;
- struct rw_semaphore maps_lock;
- struct list_head maps;
- atomic_t nr_maps;
};
#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
@@ -840,6 +917,13 @@
DECLARE_BITMAP(kicked_mask, KVM_MAX_VCPUS);
};
+struct kvm_s390_pv {
+ u64 handle;
+ u64 guest_len;
+ unsigned long stor_base;
+ void *stor_var;
+};
+
struct kvm_arch{
void *sca;
int use_esca;
@@ -876,6 +960,7 @@
/* indexed by vcpu_idx */
DECLARE_BITMAP(idle_mask, KVM_MAX_VCPUS);
struct kvm_s390_gisa_interrupt gisa_int;
+ struct kvm_s390_pv pv;
};
#define KVM_HVA_ERR_BAD (-1UL)
@@ -891,17 +976,19 @@
unsigned long pfault_token;
};
-bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
+bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu);
void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work);
-void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
+bool kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work);
void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work);
+static inline void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu) {}
+
void kvm_arch_crypto_clear_masks(struct kvm *kvm);
void kvm_arch_crypto_set_masks(struct kvm *kvm, unsigned long *apm,
unsigned long *aqm, unsigned long *adm);
@@ -914,10 +1001,9 @@
static inline void kvm_arch_hardware_disable(void) {}
static inline void kvm_arch_sync_events(struct kvm *kvm) {}
-static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
static inline void kvm_arch_free_memslot(struct kvm *kvm,
- struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {}
+ struct kvm_memory_slot *slot) {}
static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h
index 7f22262..a0a7a2c 100644
--- a/arch/s390/include/asm/linkage.h
+++ b/arch/s390/include/asm/linkage.h
@@ -2,38 +2,27 @@
#ifndef __ASM_LINKAGE_H
#define __ASM_LINKAGE_H
+#include <asm/asm-const.h>
#include <linux/stringify.h>
#define __ALIGN .align 4, 0x07
#define __ALIGN_STR __stringify(__ALIGN)
-#ifndef __ASSEMBLY__
-
/*
* Helper macro for exception table entries
*/
-#define EX_TABLE(_fault, _target) \
- ".section __ex_table,\"a\"\n" \
- ".align 4\n" \
- ".long (" #_fault ") - .\n" \
- ".long (" #_target ") - .\n" \
- ".previous\n"
-#else /* __ASSEMBLY__ */
+#define __EX_TABLE(_section, _fault, _target) \
+ stringify_in_c(.section _section,"a";) \
+ stringify_in_c(.align 8;) \
+ stringify_in_c(.long (_fault) - .;) \
+ stringify_in_c(.long (_target) - .;) \
+ stringify_in_c(.quad 0;) \
+ stringify_in_c(.previous)
-#define EX_TABLE(_fault, _target) \
- .section __ex_table,"a" ; \
- .align 4 ; \
- .long (_fault) - . ; \
- .long (_target) - . ; \
- .previous
+#define EX_TABLE(_fault, _target) \
+ __EX_TABLE(__ex_table, _fault, _target)
+#define EX_TABLE_DMA(_fault, _target) \
+ __EX_TABLE(.dma.ex_table, _fault, _target)
-#define EX_TABLE_DMA(_fault, _target) \
- .section .dma.ex_table, "a" ; \
- .align 4 ; \
- .long (_fault) - . ; \
- .long (_target) - . ; \
- .previous
-
-#endif /* __ASSEMBLY__ */
#endif
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index bcfb637..e12ff0f 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -16,6 +16,8 @@
unsigned long asce;
unsigned long asce_limit;
unsigned long vdso_base;
+ /* The mmu context belongs to a secure guest. */
+ atomic_t is_protected;
/*
* The following bitfields need a down_write on the mm
* semaphore when they are written to. As they are only
@@ -32,8 +34,6 @@
unsigned int uses_cmm:1;
/* The gmaps associated with this context are allowed to use huge pages. */
unsigned int allow_gmap_hpage_1m:1;
- /* The mmu context is for compat task */
- unsigned int compat_mm:1;
} mm_context_t;
#define INIT_MM_CONTEXT(name) \
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 8d04e6f..c9f3d8a 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -18,14 +18,16 @@
static inline int init_new_context(struct task_struct *tsk,
struct mm_struct *mm)
{
+ unsigned long asce_type, init_entry;
+
spin_lock_init(&mm->context.lock);
INIT_LIST_HEAD(&mm->context.pgtable_list);
INIT_LIST_HEAD(&mm->context.gmap_list);
cpumask_clear(&mm->context.cpu_attach_mask);
atomic_set(&mm->context.flush_count, 0);
+ atomic_set(&mm->context.is_protected, 0);
mm->context.gmap_asce = 0;
mm->context.flush_mm = 0;
- mm->context.compat_mm = test_thread_flag(TIF_31BIT);
#ifdef CONFIG_PGSTE
mm->context.alloc_pgste = page_table_allocate_pgste ||
test_thread_flag(TIF_PGSTE) ||
@@ -36,33 +38,34 @@
mm->context.allow_gmap_hpage_1m = 0;
#endif
switch (mm->context.asce_limit) {
- case _REGION2_SIZE:
+ default:
/*
- * forked 3-level task, fall through to set new asce with new
- * mm->pgd
+ * context created by exec, the value of asce_limit can
+ * only be zero in this case
*/
- case 0:
- /* context created by exec, set asce limit to 4TB */
- mm->context.asce_limit = STACK_TOP_MAX;
- mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
- _ASCE_USER_BITS | _ASCE_TYPE_REGION3;
+ VM_BUG_ON(mm->context.asce_limit);
+ /* continue as 3-level task */
+ mm->context.asce_limit = _REGION2_SIZE;
+ fallthrough;
+ case _REGION2_SIZE:
+ /* forked 3-level task */
+ init_entry = _REGION3_ENTRY_EMPTY;
+ asce_type = _ASCE_TYPE_REGION3;
break;
- case -PAGE_SIZE:
- /* forked 5-level task, set new asce with new_mm->pgd */
- mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
- _ASCE_USER_BITS | _ASCE_TYPE_REGION1;
+ case TASK_SIZE_MAX:
+ /* forked 5-level task */
+ init_entry = _REGION1_ENTRY_EMPTY;
+ asce_type = _ASCE_TYPE_REGION1;
break;
case _REGION1_SIZE:
- /* forked 4-level task, set new asce with new mm->pgd */
- mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
- _ASCE_USER_BITS | _ASCE_TYPE_REGION2;
+ /* forked 4-level task */
+ init_entry = _REGION2_ENTRY_EMPTY;
+ asce_type = _ASCE_TYPE_REGION2;
break;
- case _REGION3_SIZE:
- /* forked 2-level compat task, set new asce with new mm->pgd */
- mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
- _ASCE_USER_BITS | _ASCE_TYPE_SEGMENT;
}
- crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
+ mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
+ _ASCE_USER_BITS | asce_type;
+ crst_table_init((unsigned long *) mm->pgd, init_entry);
return 0;
}
diff --git a/arch/s390/include/asm/nmi.h b/arch/s390/include/asm/nmi.h
index b160da8..5afee80 100644
--- a/arch/s390/include/asm/nmi.h
+++ b/arch/s390/include/asm/nmi.h
@@ -99,7 +99,7 @@
void nmi_free_per_cpu(struct lowcore *lc);
void s390_handle_mcck(void);
-void s390_do_machine_check(struct pt_regs *regs);
+int s390_do_machine_check(struct pt_regs *regs);
#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_NMI_H */
diff --git a/arch/s390/include/asm/numa.h b/arch/s390/include/asm/numa.h
index c759dcf..23cd5d1 100644
--- a/arch/s390/include/asm/numa.h
+++ b/arch/s390/include/asm/numa.h
@@ -13,23 +13,13 @@
#ifdef CONFIG_NUMA
#include <linux/numa.h>
-#include <linux/cpumask.h>
void numa_setup(void);
-int numa_pfn_to_nid(unsigned long pfn);
-void numa_update_cpu_topology(void);
-
-extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
-extern int numa_debug_enabled;
#else
static inline void numa_setup(void) { }
-static inline void numa_update_cpu_topology(void) { }
-static inline int numa_pfn_to_nid(unsigned long pfn)
-{
- return 0;
-}
#endif /* CONFIG_NUMA */
+
#endif /* _ASM_S390_NUMA_H */
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index e399102..cc98f9b 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -153,6 +153,11 @@
#define HAVE_ARCH_FREE_PAGE
#define HAVE_ARCH_ALLOC_PAGE
+#if IS_ENABLED(CONFIG_PGSTE)
+int arch_make_page_accessible(struct page *page);
+#define HAVE_ARCH_MAKE_PAGE_ACCESSIBLE
+#endif
+
#endif /* !__ASSEMBLY__ */
#define __PAGE_OFFSET 0x0UL
@@ -161,25 +166,22 @@
#define __pa(x) ((unsigned long)(x))
#define __va(x) ((void *)(unsigned long)(x))
-#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
-#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
+#define phys_to_pfn(phys) ((phys) >> PAGE_SHIFT)
+#define pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
+
+#define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys))
+#define page_to_phys(page) pfn_to_phys(page_to_pfn(page))
+
+#define pfn_to_virt(pfn) __va(pfn_to_phys(pfn))
+#define virt_to_pfn(kaddr) (phys_to_pfn(__pa(kaddr)))
#define pfn_to_kaddr(pfn) pfn_to_virt(pfn)
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
#define page_to_virt(page) pfn_to_virt(page_to_pfn(page))
-#define phys_to_pfn(kaddr) ((kaddr) >> PAGE_SHIFT)
-#define pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
+#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
-#define phys_to_page(kaddr) pfn_to_page(phys_to_pfn(kaddr))
-#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
-
-#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
-
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-#define ARCH_ZONE_DMA_BITS 31
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_NON_EXEC
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 6087a4e..1226971 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -2,12 +2,10 @@
#ifndef __ASM_S390_PCI_H
#define __ASM_S390_PCI_H
-/* must be set before including pci_clp.h */
-#define PCI_BAR_COUNT 6
-
#include <linux/pci.h>
#include <linux/mutex.h>
#include <linux/iommu.h>
+#include <linux/pci_hotplug.h>
#include <asm-generic/pci.h>
#include <asm/pci_clp.h>
#include <asm/pci_debug.h>
@@ -24,10 +22,16 @@
int pci_proc_domain(struct pci_bus *);
#define ZPCI_BUS_NR 0 /* default bus number */
-#define ZPCI_DEVFN 0 /* default device number */
#define ZPCI_NR_DMA_SPACES 1
#define ZPCI_NR_DEVICES CONFIG_PCI_NR_FUNCTIONS
+#define ZPCI_DOMAIN_BITMAP_SIZE (1 << 16)
+
+#ifdef PCI
+#if (ZPCI_NR_DEVICES > ZPCI_DOMAIN_BITMAP_SIZE)
+# error ZPCI_NR_DEVICES can not be bigger than ZPCI_DOMAIN_BITMAP_SIZE
+#endif
+#endif /* PCI */
/* PCI Function Controls */
#define ZPCI_FC_FN_ENABLED 0x80
@@ -95,10 +99,27 @@
struct s390_domain;
+#define ZPCI_FUNCTIONS_PER_BUS 256
+struct zpci_bus {
+ struct kref kref;
+ struct pci_bus *bus;
+ struct zpci_dev *function[ZPCI_FUNCTIONS_PER_BUS];
+ struct list_head resources;
+ struct list_head bus_next;
+ struct resource bus_resource;
+ int pchid;
+ int domain_nr;
+ bool multifunction;
+ enum pci_bus_speed max_bus_speed;
+};
+
/* Private data per function */
struct zpci_dev {
- struct pci_bus *bus;
+ struct zpci_bus *zbus;
struct list_head entry; /* list of all zpci_devices, needed for hotplug, etc. */
+ struct list_head bus_next;
+ struct kref kref;
+ struct hotplug_slot hotplug_slot;
enum zpci_state state;
u32 fid; /* function ID, used by sclp */
@@ -107,7 +128,13 @@
u16 pchid; /* physical channel ID */
u8 pfgid; /* function group ID */
u8 pft; /* pci function type */
- u16 domain;
+ u8 port;
+ u8 rid_available : 1;
+ u8 has_hp_slot : 1;
+ u8 is_physfn : 1;
+ u8 util_str_avail : 1;
+ u8 reserved : 4;
+ unsigned int devfn; /* DEVFN part of the RID*/
struct mutex lock;
u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */
@@ -138,7 +165,7 @@
char res_name[16];
bool mio_capable;
- struct zpci_bar_struct bars[PCI_BAR_COUNT];
+ struct zpci_bar_struct bars[PCI_STD_NUM_BARS];
u64 start_dma; /* Start of available DMA addresses */
u64 end_dma; /* End of available DMA addresses */
@@ -153,6 +180,7 @@
atomic64_t mapped_pages;
atomic64_t unmapped_pages;
+ u8 version;
enum pci_bus_speed max_bus_speed;
struct dentry *debugfs_dev;
@@ -167,28 +195,34 @@
extern const struct attribute_group *zpci_attr_groups[];
extern unsigned int s390_pci_force_floating __initdata;
+extern unsigned int s390_pci_no_rid;
/* -----------------------------------------------------------------------------
Prototypes
----------------------------------------------------------------------------- */
/* Base stuff */
-int zpci_create_device(struct zpci_dev *);
-void zpci_remove_device(struct zpci_dev *zdev);
+int zpci_create_device(u32 fid, u32 fh, enum zpci_state state);
+void zpci_remove_device(struct zpci_dev *zdev, bool set_error);
int zpci_enable_device(struct zpci_dev *);
int zpci_disable_device(struct zpci_dev *);
+void zpci_device_reserved(struct zpci_dev *zdev);
+bool zpci_is_device_configured(struct zpci_dev *zdev);
+
int zpci_register_ioat(struct zpci_dev *, u8, u64, u64, u64);
int zpci_unregister_ioat(struct zpci_dev *, u8);
void zpci_remove_reserved_devices(void);
/* CLP */
+int clp_setup_writeback_mio(void);
int clp_scan_pci_devices(void);
-int clp_rescan_pci_devices(void);
-int clp_rescan_pci_devices_simple(u32 *fid);
-int clp_add_pci_device(u32, u32, int);
+int clp_query_pci_fn(struct zpci_dev *zdev);
int clp_enable_fh(struct zpci_dev *, u8);
int clp_disable_fh(struct zpci_dev *);
int clp_get_state(u32 fid, enum zpci_state *state);
+/* UID */
+void update_uid_checking(bool new);
+
/* IOMMU Interface */
int zpci_init_iommu(struct zpci_dev *zdev);
void zpci_destroy_iommu(struct zpci_dev *zdev);
@@ -202,12 +236,10 @@
/* Error handling and recovery */
void zpci_event_error(void *);
void zpci_event_availability(void *);
-void zpci_rescan(void);
bool zpci_is_enabled(void);
#else /* CONFIG_PCI */
static inline void zpci_event_error(void *e) {}
static inline void zpci_event_availability(void *e) {}
-static inline void zpci_rescan(void) {}
#endif /* CONFIG_PCI */
#ifdef CONFIG_HOTPLUG_PCI_S390
@@ -224,7 +256,14 @@
/* Helpers */
static inline struct zpci_dev *to_zpci(struct pci_dev *pdev)
{
- return pdev->sysdata;
+ struct zpci_bus *zbus = pdev->sysdata;
+
+ return zbus->function[pdev->devfn];
+}
+
+static inline struct zpci_dev *to_zpci_dev(struct device *dev)
+{
+ return to_zpci(to_pci_dev(dev));
}
struct zpci_dev *get_zdev_by_fid(u32);
@@ -245,7 +284,6 @@
void zpci_debug_exit(void);
void zpci_debug_init_device(struct zpci_dev *, const char *);
void zpci_debug_exit_device(struct zpci_dev *);
-void zpci_debug_info(struct zpci_dev *, struct seq_file *);
/* Error reporting */
int zpci_report_error(struct pci_dev *, struct zpci_report_error_header *);
diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h
index 5035917..1f4b666 100644
--- a/arch/s390/include/asm/pci_clp.h
+++ b/arch/s390/include/asm/pci_clp.h
@@ -7,6 +7,7 @@
/*
* Call Logical Processor - Command Codes
*/
+#define CLP_SLPC 0x0001
#define CLP_LIST_PCI 0x0002
#define CLP_QUERY_PCI_FN 0x0003
#define CLP_QUERY_PCI_FNGRP 0x0004
@@ -51,6 +52,19 @@
extern bool zpci_unique_uid;
+struct clp_rsp_slpc_pci {
+ struct clp_rsp_hdr hdr;
+ u32 reserved2[4];
+ u32 lpif[8];
+ u32 reserved3[4];
+ u32 vwb : 1;
+ u32 : 1;
+ u32 mio_wb : 6;
+ u32 : 24;
+ u32 reserved5[3];
+ u32 lpic[8];
+} __packed;
+
/* List PCI functions request */
struct clp_req_list_pci {
struct clp_req_hdr hdr;
@@ -77,7 +91,7 @@
struct {
u64 wb;
u64 wt;
- } addr[PCI_BAR_COUNT];
+ } addr[PCI_STD_NUM_BARS];
u32 reserved[6];
} __packed;
@@ -93,21 +107,28 @@
struct clp_rsp_query_pci {
struct clp_rsp_hdr hdr;
u16 vfn; /* virtual fn number */
- u16 : 6;
+ u16 : 3;
+ u16 rid_avail : 1;
+ u16 is_physfn : 1;
+ u16 reserved1 : 1;
u16 mio_addr_avail : 1;
u16 util_str_avail : 1; /* utility string available? */
u16 pfgid : 8; /* pci function group id */
u32 fid; /* pci function id */
- u8 bar_size[PCI_BAR_COUNT];
+ u8 bar_size[PCI_STD_NUM_BARS];
u16 pchid;
- __le32 bar[PCI_BAR_COUNT];
+ __le32 bar[PCI_STD_NUM_BARS];
u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */
- u32 : 16;
+ u16 : 12;
+ u16 port : 4;
u8 fmb_len;
u8 pft; /* pci function type */
u64 sdma; /* start dma as */
u64 edma; /* end dma as */
- u32 reserved[11];
+#define ZPCI_RID_MASK_DEVFN 0x00ff
+ u16 rid; /* BUS/DEVFN PCI address */
+ u16 reserved0;
+ u32 reserved[10];
u32 uid; /* user defined id */
u8 util_str[CLP_UTIL_STR_LEN]; /* utility string */
u32 reserved2[16];
@@ -165,6 +186,11 @@
} __packed;
/* Combined request/response block structures used by clp insn */
+struct clp_req_rsp_slpc_pci {
+ struct clp_req_slpc request;
+ struct clp_rsp_slpc_pci response;
+} __packed;
+
struct clp_req_rsp_list_pci {
struct clp_req_list_pci request;
struct clp_rsp_list_pci response;
diff --git a/arch/s390/include/asm/pci_dma.h b/arch/s390/include/asm/pci_dma.h
index 419fac7..f62cd3e 100644
--- a/arch/s390/include/asm/pci_dma.h
+++ b/arch/s390/include/asm/pci_dma.h
@@ -131,12 +131,6 @@
*entry |= ZPCI_TABLE_VALID;
}
-static inline void invalidate_table_entry(unsigned long *entry)
-{
- *entry &= ~ZPCI_TABLE_VALID_MASK;
- *entry |= ZPCI_TABLE_INVALID;
-}
-
static inline void invalidate_pt_entry(unsigned long *entry)
{
WARN_ON_ONCE((*entry & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_INVALID);
@@ -173,11 +167,6 @@
return (entry & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_VALID;
}
-static inline int entry_isprotected(unsigned long entry)
-{
- return (entry & ZPCI_TABLE_PROT_MASK) == ZPCI_TABLE_PROTECTED;
-}
-
static inline unsigned long *get_rt_sto(unsigned long entry)
{
return ((entry & ZPCI_TABLE_TYPE_MASK) == ZPCI_TABLE_TYPE_RTX)
diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h
index e4dc64c..287bb88 100644
--- a/arch/s390/include/asm/pci_io.h
+++ b/arch/s390/include/asm/pci_io.h
@@ -14,12 +14,13 @@
/* I/O Map */
#define ZPCI_IOMAP_SHIFT 48
-#define ZPCI_IOMAP_ADDR_BASE 0x8000000000000000UL
+#define ZPCI_IOMAP_ADDR_SHIFT 62
+#define ZPCI_IOMAP_ADDR_BASE (1UL << ZPCI_IOMAP_ADDR_SHIFT)
#define ZPCI_IOMAP_ADDR_OFF_MASK ((1UL << ZPCI_IOMAP_SHIFT) - 1)
#define ZPCI_IOMAP_MAX_ENTRIES \
- ((ULONG_MAX - ZPCI_IOMAP_ADDR_BASE + 1) / (1UL << ZPCI_IOMAP_SHIFT))
+ (1UL << (ZPCI_IOMAP_ADDR_SHIFT - ZPCI_IOMAP_SHIFT))
#define ZPCI_IOMAP_ADDR_IDX_MASK \
- (~ZPCI_IOMAP_ADDR_OFF_MASK - ZPCI_IOMAP_ADDR_BASE)
+ ((ZPCI_IOMAP_ADDR_BASE - 1) & ~ZPCI_IOMAP_ADDR_OFF_MASK)
struct zpci_iomap_entry {
u32 fh;
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index 4652fff..b9da716 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -12,6 +12,7 @@
#include <linux/perf_event.h>
#include <linux/device.h>
+#include <asm/stacktrace.h>
/* Per-CPU flags for PMU states */
#define PMU_F_RESERVED 0x1000
@@ -73,4 +74,10 @@
#define SDB_FULL_BLOCKS(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FULL_BLOCKS)
#define SAMPLE_FREQ_MODE(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FREQ_MODE)
+#define perf_arch_fetch_caller_regs(regs, __ip) do { \
+ (regs)->psw.addr = (__ip); \
+ (regs)->gprs[15] = (unsigned long)__builtin_frame_address(0) - \
+ offsetof(struct stack_frame, back_chain); \
+} while (0)
+
#endif /* _ASM_S390_PERF_EVENT_H */
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 77606c4..d1297d6 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -34,19 +34,21 @@
memset64((u64 *)crst, entry, _CRST_ENTRIES);
}
-static inline unsigned long pgd_entry_type(struct mm_struct *mm)
-{
- if (mm_pmd_folded(mm))
- return _SEGMENT_ENTRY_EMPTY;
- if (mm_pud_folded(mm))
- return _REGION3_ENTRY_EMPTY;
- if (mm_p4d_folded(mm))
- return _REGION2_ENTRY_EMPTY;
- return _REGION1_ENTRY_EMPTY;
-}
-
int crst_table_upgrade(struct mm_struct *mm, unsigned long limit);
-void crst_table_downgrade(struct mm_struct *);
+
+static inline unsigned long check_asce_limit(struct mm_struct *mm, unsigned long addr,
+ unsigned long len)
+{
+ int rc;
+
+ if (addr + len > mm->context.asce_limit &&
+ addr + len <= TASK_SIZE) {
+ rc = crst_table_upgrade(mm, addr + len);
+ if (rc)
+ return (unsigned long) rc;
+ }
+ return addr;
+}
static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long address)
{
@@ -116,24 +118,11 @@
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- unsigned long *table = crst_table_alloc(mm);
-
- if (!table)
- return NULL;
- if (mm->context.asce_limit == _REGION3_SIZE) {
- /* Forking a compat process with 2 page table levels */
- if (!pgtable_pmd_page_ctor(virt_to_page(table))) {
- crst_table_free(mm, table);
- return NULL;
- }
- }
- return (pgd_t *) table;
+ return (pgd_t *) crst_table_alloc(mm);
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
- if (mm->context.asce_limit == _REGION3_SIZE)
- pgtable_pmd_page_dtor(virt_to_page(pgd));
crst_table_free(mm, (unsigned long *) pgd);
}
@@ -157,8 +146,6 @@
#define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte)
#define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte)
-extern void rcu_table_freelist_finish(void);
-
void vmem_map_init(void);
void *vmem_crst_alloc(unsigned long val);
pte_t *vmem_pte_alloc(void);
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 5ce5869..2338345 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -19,6 +19,7 @@
#include <linux/atomic.h>
#include <asm/bug.h>
#include <asm/page.h>
+#include <asm/uv.h>
extern pgd_t swapper_pg_dir[];
extern void paging_init(void);
@@ -88,6 +89,7 @@
extern unsigned long VMALLOC_END;
#define VMALLOC_DEFAULT_SIZE ((128UL << 30) - MODULES_LEN)
extern struct page *vmemmap;
+extern unsigned long vmemmap_size;
#define VMEM_MAX_PHYS ((unsigned long) vmemmap)
@@ -266,11 +268,9 @@
#endif
#define _REGION_ENTRY_BITS 0xfffffffffffff22fUL
-#define _REGION_ENTRY_BITS_LARGE 0xffffffff8000fe2fUL
/* Bits in the segment table entry */
#define _SEGMENT_ENTRY_BITS 0xfffffffffffffe33UL
-#define _SEGMENT_ENTRY_BITS_LARGE 0xfffffffffff0ff33UL
#define _SEGMENT_ENTRY_HARDWARE_BITS 0xfffffffffffffe30UL
#define _SEGMENT_ENTRY_HARDWARE_BITS_LARGE 0xfffffffffff00730UL
#define _SEGMENT_ENTRY_ORIGIN_LARGE ~0xfffffUL /* large page address */
@@ -522,6 +522,15 @@
return 0;
}
+static inline int mm_is_protected(struct mm_struct *mm)
+{
+#ifdef CONFIG_PGSTE
+ if (unlikely(atomic_read(&mm->context.is_protected)))
+ return 1;
+#endif
+ return 0;
+}
+
static inline int mm_alloc_pgste(struct mm_struct *mm)
{
#ifdef CONFIG_PGSTE
@@ -675,6 +684,7 @@
return pud_val(pud) == _REGION3_ENTRY_EMPTY;
}
+#define pud_leaf pud_large
static inline int pud_large(pud_t pud)
{
if ((pud_val(pud) & _REGION_ENTRY_TYPE_MASK) != _REGION_ENTRY_TYPE_R3)
@@ -682,16 +692,7 @@
return !!(pud_val(pud) & _REGION3_ENTRY_LARGE);
}
-static inline unsigned long pud_pfn(pud_t pud)
-{
- unsigned long origin_mask;
-
- origin_mask = _REGION_ENTRY_ORIGIN;
- if (pud_large(pud))
- origin_mask = _REGION3_ENTRY_ORIGIN_LARGE;
- return (pud_val(pud) & origin_mask) >> PAGE_SHIFT;
-}
-
+#define pmd_leaf pmd_large
static inline int pmd_large(pmd_t pmd)
{
return (pmd_val(pmd) & _SEGMENT_ENTRY_LARGE) != 0;
@@ -699,10 +700,8 @@
static inline int pmd_bad(pmd_t pmd)
{
- if ((pmd_val(pmd) & _SEGMENT_ENTRY_TYPE_MASK) > 0)
+ if ((pmd_val(pmd) & _SEGMENT_ENTRY_TYPE_MASK) > 0 || pmd_large(pmd))
return 1;
- if (pmd_large(pmd))
- return (pmd_val(pmd) & ~_SEGMENT_ENTRY_BITS_LARGE) != 0;
return (pmd_val(pmd) & ~_SEGMENT_ENTRY_BITS) != 0;
}
@@ -710,12 +709,10 @@
{
unsigned long type = pud_val(pud) & _REGION_ENTRY_TYPE_MASK;
- if (type > _REGION_ENTRY_TYPE_R3)
+ if (type > _REGION_ENTRY_TYPE_R3 || pud_large(pud))
return 1;
if (type < _REGION_ENTRY_TYPE_R3)
return 0;
- if (pud_large(pud))
- return (pud_val(pud) & ~_REGION_ENTRY_BITS_LARGE) != 0;
return (pud_val(pud) & ~_REGION_ENTRY_BITS) != 0;
}
@@ -740,16 +737,6 @@
return pmd_val(pmd) == _SEGMENT_ENTRY_EMPTY;
}
-static inline unsigned long pmd_pfn(pmd_t pmd)
-{
- unsigned long origin_mask;
-
- origin_mask = _SEGMENT_ENTRY_ORIGIN;
- if (pmd_large(pmd))
- origin_mask = _SEGMENT_ENTRY_ORIGIN_LARGE;
- return (pmd_val(pmd) & origin_mask) >> PAGE_SHIFT;
-}
-
#define pmd_write pmd_write
static inline int pmd_write(pmd_t pmd)
{
@@ -764,18 +751,12 @@
static inline int pmd_dirty(pmd_t pmd)
{
- int dirty = 1;
- if (pmd_large(pmd))
- dirty = (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY) != 0;
- return dirty;
+ return (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY) != 0;
}
static inline int pmd_young(pmd_t pmd)
{
- int young = 1;
- if (pmd_large(pmd))
- young = (pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG) != 0;
- return young;
+ return (pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG) != 0;
}
static inline int pte_present(pte_t pte)
@@ -884,6 +865,25 @@
}
/*
+ * Extract the pgprot value from the given pte while at the same time making it
+ * usable for kernel address space mappings where fault driven dirty and
+ * young/old accounting is not supported, i.e _PAGE_PROTECT and _PAGE_INVALID
+ * must not be set.
+ */
+static inline pgprot_t pte_pgprot(pte_t pte)
+{
+ unsigned long pte_flags = pte_val(pte) & _PAGE_CHG_MASK;
+
+ if (pte_write(pte))
+ pte_flags |= pgprot_val(PAGE_KERNEL);
+ else
+ pte_flags |= pgprot_val(PAGE_KERNEL_RO);
+ pte_flags |= pte_val(pte) & mio_wb_bit_mask;
+
+ return __pgprot(pte_flags);
+}
+
+/*
* pgd/pmd/pte modification functions
*/
@@ -1077,7 +1077,12 @@
static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
- return ptep_xchg_lazy(mm, addr, ptep, __pte(_PAGE_INVALID));
+ pte_t res;
+
+ res = ptep_xchg_lazy(mm, addr, ptep, __pte(_PAGE_INVALID));
+ if (mm_is_protected(mm) && pte_present(res))
+ uv_convert_from_secure(pte_val(res) & PAGE_MASK);
+ return res;
}
#define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION
@@ -1089,7 +1094,12 @@
static inline pte_t ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
- return ptep_xchg_direct(vma->vm_mm, addr, ptep, __pte(_PAGE_INVALID));
+ pte_t res;
+
+ res = ptep_xchg_direct(vma->vm_mm, addr, ptep, __pte(_PAGE_INVALID));
+ if (mm_is_protected(vma->vm_mm) && pte_present(res))
+ uv_convert_from_secure(pte_val(res) & PAGE_MASK);
+ return res;
}
/*
@@ -1104,12 +1114,17 @@
unsigned long addr,
pte_t *ptep, int full)
{
+ pte_t res;
+
if (full) {
- pte_t pte = *ptep;
+ res = *ptep;
*ptep = __pte(_PAGE_INVALID);
- return pte;
+ } else {
+ res = ptep_xchg_lazy(mm, addr, ptep, __pte(_PAGE_INVALID));
}
- return ptep_xchg_lazy(mm, addr, ptep, __pte(_PAGE_INVALID));
+ if (mm_is_protected(mm) && pte_present(res))
+ uv_convert_from_secure(pte_val(res) & PAGE_MASK);
+ return res;
}
#define __HAVE_ARCH_PTEP_SET_WRPROTECT
@@ -1171,6 +1186,12 @@
void gmap_pmdp_idte_local(struct mm_struct *mm, unsigned long vmaddr);
void gmap_pmdp_idte_global(struct mm_struct *mm, unsigned long vmaddr);
+#define pgprot_writecombine pgprot_writecombine
+pgprot_t pgprot_writecombine(pgprot_t prot);
+
+#define pgprot_writethrough pgprot_writethrough
+pgprot_t pgprot_writethrough(pgprot_t prot);
+
/*
* Certain architectures need to do special things when PTEs
* within a page table are directly modified. Thus, the following
@@ -1194,7 +1215,8 @@
static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot)
{
pte_t __pte;
- pte_val(__pte) = physpage + pgprot_val(pgprot);
+
+ pte_val(__pte) = physpage | pgprot_val(pgprot);
if (!MACHINE_HAS_NX)
pte_val(__pte) &= ~_PAGE_NOEXEC;
return pte_mkyoung(__pte);
@@ -1214,13 +1236,40 @@
#define p4d_index(address) (((address) >> P4D_SHIFT) & (PTRS_PER_P4D-1))
#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
-#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE-1))
-#define pmd_deref(pmd) (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN)
-#define pud_deref(pud) (pud_val(pud) & _REGION_ENTRY_ORIGIN)
#define p4d_deref(pud) (p4d_val(pud) & _REGION_ENTRY_ORIGIN)
#define pgd_deref(pgd) (pgd_val(pgd) & _REGION_ENTRY_ORIGIN)
+static inline unsigned long pmd_deref(pmd_t pmd)
+{
+ unsigned long origin_mask;
+
+ origin_mask = _SEGMENT_ENTRY_ORIGIN;
+ if (pmd_large(pmd))
+ origin_mask = _SEGMENT_ENTRY_ORIGIN_LARGE;
+ return pmd_val(pmd) & origin_mask;
+}
+
+static inline unsigned long pmd_pfn(pmd_t pmd)
+{
+ return pmd_deref(pmd) >> PAGE_SHIFT;
+}
+
+static inline unsigned long pud_deref(pud_t pud)
+{
+ unsigned long origin_mask;
+
+ origin_mask = _REGION_ENTRY_ORIGIN;
+ if (pud_large(pud))
+ origin_mask = _REGION3_ENTRY_ORIGIN_LARGE;
+ return pud_val(pud) & origin_mask;
+}
+
+static inline unsigned long pud_pfn(pud_t pud)
+{
+ return pud_deref(pud) >> PAGE_SHIFT;
+}
+
/*
* The pgd_offset function *always* adds the index for the top-level
* region/segment table. This is done to get a sequence like the
@@ -1245,7 +1294,6 @@
}
#define pgd_offset(mm, address) pgd_offset_raw(READ_ONCE((mm)->pgd), address)
-#define pgd_offset_k(address) pgd_offset(&init_mm, address)
static inline p4d_t *p4d_offset_lockless(pgd_t *pgdp, pgd_t pgd, unsigned long address)
{
@@ -1288,16 +1336,11 @@
}
#define pmd_offset pmd_offset
-static inline pte_t *pte_offset(pmd_t *pmd, unsigned long address)
+static inline unsigned long pmd_page_vaddr(pmd_t pmd)
{
- return (pte_t *) pmd_deref(*pmd) + pte_index(address);
+ return (unsigned long) pmd_deref(pmd);
}
-#define pte_offset_kernel(pmd, address) pte_offset(pmd, address)
-#define pte_offset_map(pmd, address) pte_offset_kernel(pmd, address)
-
-static inline void pte_unmap(pte_t *pte) { }
-
static inline bool gup_fast_permitted(unsigned long start, unsigned long end)
{
return end <= current->mm->context.asce_limit;
@@ -1323,29 +1366,23 @@
static inline pmd_t pmd_mkwrite(pmd_t pmd)
{
pmd_val(pmd) |= _SEGMENT_ENTRY_WRITE;
- if (pmd_large(pmd) && !(pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY))
- return pmd;
- pmd_val(pmd) &= ~_SEGMENT_ENTRY_PROTECT;
+ if (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY)
+ pmd_val(pmd) &= ~_SEGMENT_ENTRY_PROTECT;
return pmd;
}
static inline pmd_t pmd_mkclean(pmd_t pmd)
{
- if (pmd_large(pmd)) {
- pmd_val(pmd) &= ~_SEGMENT_ENTRY_DIRTY;
- pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;
- }
+ pmd_val(pmd) &= ~_SEGMENT_ENTRY_DIRTY;
+ pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;
return pmd;
}
static inline pmd_t pmd_mkdirty(pmd_t pmd)
{
- if (pmd_large(pmd)) {
- pmd_val(pmd) |= _SEGMENT_ENTRY_DIRTY |
- _SEGMENT_ENTRY_SOFT_DIRTY;
- if (pmd_val(pmd) & _SEGMENT_ENTRY_WRITE)
- pmd_val(pmd) &= ~_SEGMENT_ENTRY_PROTECT;
- }
+ pmd_val(pmd) |= _SEGMENT_ENTRY_DIRTY | _SEGMENT_ENTRY_SOFT_DIRTY;
+ if (pmd_val(pmd) & _SEGMENT_ENTRY_WRITE)
+ pmd_val(pmd) &= ~_SEGMENT_ENTRY_PROTECT;
return pmd;
}
@@ -1359,29 +1396,23 @@
static inline pud_t pud_mkwrite(pud_t pud)
{
pud_val(pud) |= _REGION3_ENTRY_WRITE;
- if (pud_large(pud) && !(pud_val(pud) & _REGION3_ENTRY_DIRTY))
- return pud;
- pud_val(pud) &= ~_REGION_ENTRY_PROTECT;
+ if (pud_val(pud) & _REGION3_ENTRY_DIRTY)
+ pud_val(pud) &= ~_REGION_ENTRY_PROTECT;
return pud;
}
static inline pud_t pud_mkclean(pud_t pud)
{
- if (pud_large(pud)) {
- pud_val(pud) &= ~_REGION3_ENTRY_DIRTY;
- pud_val(pud) |= _REGION_ENTRY_PROTECT;
- }
+ pud_val(pud) &= ~_REGION3_ENTRY_DIRTY;
+ pud_val(pud) |= _REGION_ENTRY_PROTECT;
return pud;
}
static inline pud_t pud_mkdirty(pud_t pud)
{
- if (pud_large(pud)) {
- pud_val(pud) |= _REGION3_ENTRY_DIRTY |
- _REGION3_ENTRY_SOFT_DIRTY;
- if (pud_val(pud) & _REGION3_ENTRY_WRITE)
- pud_val(pud) &= ~_REGION_ENTRY_PROTECT;
- }
+ pud_val(pud) |= _REGION3_ENTRY_DIRTY | _REGION3_ENTRY_SOFT_DIRTY;
+ if (pud_val(pud) & _REGION3_ENTRY_WRITE)
+ pud_val(pud) &= ~_REGION_ENTRY_PROTECT;
return pud;
}
@@ -1405,38 +1436,29 @@
static inline pmd_t pmd_mkyoung(pmd_t pmd)
{
- if (pmd_large(pmd)) {
- pmd_val(pmd) |= _SEGMENT_ENTRY_YOUNG;
- if (pmd_val(pmd) & _SEGMENT_ENTRY_READ)
- pmd_val(pmd) &= ~_SEGMENT_ENTRY_INVALID;
- }
+ pmd_val(pmd) |= _SEGMENT_ENTRY_YOUNG;
+ if (pmd_val(pmd) & _SEGMENT_ENTRY_READ)
+ pmd_val(pmd) &= ~_SEGMENT_ENTRY_INVALID;
return pmd;
}
static inline pmd_t pmd_mkold(pmd_t pmd)
{
- if (pmd_large(pmd)) {
- pmd_val(pmd) &= ~_SEGMENT_ENTRY_YOUNG;
- pmd_val(pmd) |= _SEGMENT_ENTRY_INVALID;
- }
+ pmd_val(pmd) &= ~_SEGMENT_ENTRY_YOUNG;
+ pmd_val(pmd) |= _SEGMENT_ENTRY_INVALID;
return pmd;
}
static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
{
- if (pmd_large(pmd)) {
- pmd_val(pmd) &= _SEGMENT_ENTRY_ORIGIN_LARGE |
- _SEGMENT_ENTRY_DIRTY | _SEGMENT_ENTRY_YOUNG |
- _SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_SOFT_DIRTY;
- pmd_val(pmd) |= massage_pgprot_pmd(newprot);
- if (!(pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY))
- pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;
- if (!(pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG))
- pmd_val(pmd) |= _SEGMENT_ENTRY_INVALID;
- return pmd;
- }
- pmd_val(pmd) &= _SEGMENT_ENTRY_ORIGIN;
+ pmd_val(pmd) &= _SEGMENT_ENTRY_ORIGIN_LARGE |
+ _SEGMENT_ENTRY_DIRTY | _SEGMENT_ENTRY_YOUNG |
+ _SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_SOFT_DIRTY;
pmd_val(pmd) |= massage_pgprot_pmd(newprot);
+ if (!(pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY))
+ pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;
+ if (!(pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG))
+ pmd_val(pmd) |= _SEGMENT_ENTRY_INVALID;
return pmd;
}
@@ -1586,7 +1608,7 @@
}
#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR_FULL
-static inline pmd_t pmdp_huge_get_and_clear_full(struct mm_struct *mm,
+static inline pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
unsigned long addr,
pmd_t *pmdp, int full)
{
@@ -1595,7 +1617,7 @@
*pmdp = __pmd(_SEGMENT_ENTRY_EMPTY);
return pmd;
}
- return pmdp_xchg_lazy(mm, addr, pmdp, __pmd(_SEGMENT_ENTRY_EMPTY));
+ return pmdp_xchg_lazy(vma->vm_mm, addr, pmdp, __pmd(_SEGMENT_ENTRY_EMPTY));
}
#define __HAVE_ARCH_PMDP_HUGE_CLEAR_FLUSH
@@ -1700,7 +1722,7 @@
#define kern_addr_valid(addr) (1)
extern int vmem_add_mapping(unsigned long start, unsigned long size);
-extern int vmem_remove_mapping(unsigned long start, unsigned long size);
+extern void vmem_remove_mapping(unsigned long start, unsigned long size);
extern int s390_enable_sie(void);
extern int s390_enable_skey(void);
extern void s390_reset_cmma(struct mm_struct *mm);
@@ -1709,6 +1731,4 @@
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
-#include <asm-generic/pgtable.h>
-
#endif /* _S390_PAGE_H */
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
index b5ea9e1..b5f545d 100644
--- a/arch/s390/include/asm/preempt.h
+++ b/arch/s390/include/asm/preempt.h
@@ -29,12 +29,6 @@
old, new) != old);
}
-#define init_task_preempt_count(p) do { } while (0)
-
-#define init_idle_preempt_count(p, cpu) do { \
- S390_lowcore.preempt_count = PREEMPT_ENABLED; \
-} while (0)
-
static inline void set_preempt_need_resched(void)
{
__atomic_and(~PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
@@ -88,12 +82,6 @@
S390_lowcore.preempt_count = pc;
}
-#define init_task_preempt_count(p) do { } while (0)
-
-#define init_idle_preempt_count(p, cpu) do { \
- S390_lowcore.preempt_count = PREEMPT_ENABLED; \
-} while (0)
-
static inline void set_preempt_need_resched(void)
{
}
@@ -130,11 +118,15 @@
#endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-#ifdef CONFIG_PREEMPT
+#define init_task_preempt_count(p) do { } while (0)
+/* Deferred to CPU bringup time */
+#define init_idle_preempt_count(p, cpu) do { } while (0)
+
+#ifdef CONFIG_PREEMPTION
extern asmlinkage void preempt_schedule(void);
#define __preempt_schedule() preempt_schedule()
extern asmlinkage void preempt_schedule_notrace(void);
#define __preempt_schedule_notrace() preempt_schedule_notrace()
-#endif /* CONFIG_PREEMPT */
+#endif /* CONFIG_PREEMPTION */
#endif /* __ASM_PREEMPT_H */
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 48d6ccd..0987c3f 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -14,17 +14,15 @@
#include <linux/bits.h>
-#define CIF_MCCK_PENDING 0 /* machine check handling is pending */
-#define CIF_ASCE_PRIMARY 1 /* primary asce needs fixup / uaccess */
-#define CIF_ASCE_SECONDARY 2 /* secondary asce needs fixup / uaccess */
-#define CIF_NOHZ_DELAY 3 /* delay HZ disable for a tick */
-#define CIF_FPU 4 /* restore FPU registers */
-#define CIF_IGNORE_IRQ 5 /* ignore interrupt (for udelay) */
-#define CIF_ENABLED_WAIT 6 /* in enabled wait state */
-#define CIF_MCCK_GUEST 7 /* machine check happening in guest */
-#define CIF_DEDICATED_CPU 8 /* this CPU is dedicated */
+#define CIF_ASCE_PRIMARY 0 /* primary asce needs fixup / uaccess */
+#define CIF_ASCE_SECONDARY 1 /* secondary asce needs fixup / uaccess */
+#define CIF_NOHZ_DELAY 2 /* delay HZ disable for a tick */
+#define CIF_FPU 3 /* restore FPU registers */
+#define CIF_IGNORE_IRQ 4 /* ignore interrupt (for udelay) */
+#define CIF_ENABLED_WAIT 5 /* in enabled wait state */
+#define CIF_MCCK_GUEST 6 /* machine check happening in guest */
+#define CIF_DEDICATED_CPU 7 /* this CPU is dedicated */
-#define _CIF_MCCK_PENDING BIT(CIF_MCCK_PENDING)
#define _CIF_ASCE_PRIMARY BIT(CIF_ASCE_PRIMARY)
#define _CIF_ASCE_SECONDARY BIT(CIF_ASCE_SECONDARY)
#define _CIF_NOHZ_DELAY BIT(CIF_NOHZ_DELAY)
@@ -84,7 +82,6 @@
void cpu_detect_mhz_feature(void);
extern const struct seq_operations cpuinfo_op;
-extern int sysctl_ieee_emulation_warnings;
extern void execve_tail(void);
extern void __bpon(void);
@@ -93,15 +90,15 @@
*/
#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_31BIT) ? \
- (1UL << 31) : -PAGE_SIZE)
+ _REGION3_SIZE : TASK_SIZE_MAX)
#define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
- (1UL << 30) : (1UL << 41))
+ (_REGION3_SIZE >> 1) : (_REGION2_SIZE >> 1))
#define TASK_SIZE TASK_SIZE_OF(current)
#define TASK_SIZE_MAX (-PAGE_SIZE)
#define STACK_TOP (test_thread_flag(TIF_31BIT) ? \
- (1UL << 31) : (1UL << 42))
-#define STACK_TOP_MAX (1UL << 42)
+ _REGION3_SIZE : _REGION2_SIZE)
+#define STACK_TOP_MAX _REGION2_SIZE
#define HAVE_ARCH_PICK_MMAP_LAYOUT
@@ -179,7 +176,6 @@
regs->psw.mask = PSW_USER_BITS | PSW_MASK_BA; \
regs->psw.addr = new_psw; \
regs->gprs[15] = new_stackp; \
- crst_table_downgrade(current->mm); \
execve_tail(); \
} while (0)
@@ -207,7 +203,7 @@
/* Has task runtime instrumentation enabled ? */
#define is_ri_task(tsk) (!!(tsk)->thread.ri_cb)
-static inline unsigned long current_stack_pointer(void)
+static __always_inline unsigned long current_stack_pointer(void)
{
unsigned long sp;
@@ -311,7 +307,7 @@
/*
* Function to drop a processor into disabled wait state
*/
-static inline void __noreturn disabled_wait(void)
+static __always_inline void __noreturn disabled_wait(void)
{
psw_t psw;
diff --git a/arch/s390/include/asm/ptdump.h b/arch/s390/include/asm/ptdump.h
new file mode 100644
index 0000000..f960b28
--- /dev/null
+++ b/arch/s390/include/asm/ptdump.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _ASM_S390_PTDUMP_H
+#define _ASM_S390_PTDUMP_H
+
+void ptdump_check_wx(void);
+
+static inline void debug_checkwx(void)
+{
+ if (IS_ENABLED(CONFIG_DEBUG_WX))
+ ptdump_check_wx();
+}
+
+#endif /* _ASM_S390_PTDUMP_H */
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index f009a13..16b3e43 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -184,5 +184,10 @@
return regs->gprs[15];
}
+static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
+{
+ regs->gprs[2] = rc;
+}
+
#endif /* __ASSEMBLY__ */
#endif /* _S390_PTRACE_H */
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index 4f35b10..19e84c9 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -26,9 +26,9 @@
/**
* struct qdesfmt0 - queue descriptor, format 0
- * @sliba: storage list information block address
- * @sla: storage list address
- * @slsba: storage list state block address
+ * @sliba: absolute address of storage list information block
+ * @sla: absolute address of storage list
+ * @slsba: absolute address of storage list state block
* @akey: access key for SLIB
* @bkey: access key for SL
* @ckey: access key for SBALs
@@ -56,7 +56,7 @@
* @oqdcnt: output queue descriptor count
* @iqdsz: input queue descriptor size
* @oqdsz: output queue descriptor size
- * @qiba: queue information block address
+ * @qiba: absolute address of queue information block
* @qkey: queue information block key
* @qdf0: queue descriptions
*/
@@ -201,7 +201,7 @@
* @scount: SBAL count
* @sflags: whole SBAL flags
* @length: length
- * @addr: address
+ * @addr: absolute data address
*/
struct qdio_buffer_element {
u8 eflags;
@@ -211,7 +211,7 @@
u8 scount;
u8 sflags;
u32 length;
- void *addr;
+ u64 addr;
} __attribute__ ((packed, aligned(16)));
/**
@@ -276,6 +276,7 @@
#define CHSC_AC2_MULTI_BUFFER_AVAILABLE 0x0080
#define CHSC_AC2_MULTI_BUFFER_ENABLED 0x0040
#define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010
+#define CHSC_AC2_SNIFFER_AVAILABLE 0x0008
#define CHSC_AC2_DATA_DIV_ENABLED 0x0002
#define CHSC_AC3_FORMAT2_CQ_AVAILABLE 0x8000
@@ -324,10 +325,8 @@
/**
* struct qdio_initialize - qdio initialization data
- * @cdev: associated ccw device
* @q_format: queue format
* @qdr_ac: feature flags to set
- * @adapter_name: name for the adapter
* @qib_param_field_format: format for qib_parm_field
* @qib_param_field: pointer to 128 bytes or NULL, if no param field
* @qib_rflags: rflags to set
@@ -337,18 +336,16 @@
* @no_output_qs: number of output queues
* @input_handler: handler to be called for input queues
* @output_handler: handler to be called for output queues
- * @queue_start_poll_array: polling handlers (one per input queue or NULL)
+ * @irq_poll: Data IRQ polling handler (NULL when not supported)
* @scan_threshold: # of in-use buffers that triggers scan on output queue
* @int_parm: interruption parameter
- * @input_sbal_addr_array: address of no_input_qs * 128 pointers
- * @output_sbal_addr_array: address of no_output_qs * 128 pointers
+ * @input_sbal_addr_array: per-queue array, each element points to 128 SBALs
+ * @output_sbal_addr_array: per-queue array, each element points to 128 SBALs
* @output_sbal_state_array: no_output_qs * 128 state info (for CQ or NULL)
*/
struct qdio_initialize {
- struct ccw_device *cdev;
unsigned char q_format;
unsigned char qdr_ac;
- unsigned char adapter_name[8];
unsigned int qib_param_field_format;
unsigned char *qib_param_field;
unsigned char qib_rflags;
@@ -358,43 +355,14 @@
unsigned int no_output_qs;
qdio_handler_t *input_handler;
qdio_handler_t *output_handler;
- void (**queue_start_poll_array) (struct ccw_device *, int,
- unsigned long);
+ void (*irq_poll)(struct ccw_device *cdev, unsigned long data);
unsigned int scan_threshold;
unsigned long int_parm;
- struct qdio_buffer **input_sbal_addr_array;
- struct qdio_buffer **output_sbal_addr_array;
+ struct qdio_buffer ***input_sbal_addr_array;
+ struct qdio_buffer ***output_sbal_addr_array;
struct qdio_outbuf_state *output_sbal_state_array;
};
-/**
- * enum qdio_brinfo_entry_type - type of address entry for qdio_brinfo_desc()
- * @l3_ipv6_addr: entry contains IPv6 address
- * @l3_ipv4_addr: entry contains IPv4 address
- * @l2_addr_lnid: entry contains MAC address and VLAN ID
- */
-enum qdio_brinfo_entry_type {l3_ipv6_addr, l3_ipv4_addr, l2_addr_lnid};
-
-/**
- * struct qdio_brinfo_entry_XXX - Address entry for qdio_brinfo_desc()
- * @nit: Network interface token
- * @addr: Address of one of the three types
- *
- * The struct is passed to the callback function by qdio_brinfo_desc()
- */
-struct qdio_brinfo_entry_l3_ipv6 {
- u64 nit;
- struct { unsigned char _s6_addr[16]; } addr;
-} __packed;
-struct qdio_brinfo_entry_l3_ipv4 {
- u64 nit;
- struct { uint32_t _s_addr; } addr;
-} __packed;
-struct qdio_brinfo_entry_l2 {
- u64 nit;
- struct { u8 mac[6]; u16 lnid; } addr_lnid;
-} __packed;
-
#define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */
#define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_establish */
#define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */
@@ -408,14 +376,16 @@
void qdio_free_buffers(struct qdio_buffer **buf, unsigned int count);
void qdio_reset_buffers(struct qdio_buffer **buf, unsigned int count);
-extern int qdio_allocate(struct qdio_initialize *);
-extern int qdio_establish(struct qdio_initialize *);
+extern int qdio_allocate(struct ccw_device *cdev, unsigned int no_input_qs,
+ unsigned int no_output_qs);
+extern int qdio_establish(struct ccw_device *cdev,
+ struct qdio_initialize *init_data);
extern int qdio_activate(struct ccw_device *);
extern void qdio_release_aob(struct qaob *);
extern int do_QDIO(struct ccw_device *, unsigned int, int, unsigned int,
unsigned int);
-extern int qdio_start_irq(struct ccw_device *, int);
-extern int qdio_stop_irq(struct ccw_device *, int);
+extern int qdio_start_irq(struct ccw_device *cdev);
+extern int qdio_stop_irq(struct ccw_device *cdev);
extern int qdio_get_next_buffers(struct ccw_device *, int, int *, int *);
extern int qdio_inspect_queue(struct ccw_device *cdev, unsigned int nr,
bool is_input, unsigned int *bufnr,
@@ -423,10 +393,5 @@
extern int qdio_shutdown(struct ccw_device *, int);
extern int qdio_free(struct ccw_device *);
extern int qdio_get_ssqd_desc(struct ccw_device *, struct qdio_ssqd_desc *);
-extern int qdio_pnso_brinfo(struct subchannel_id schid,
- int cnc, u16 *response,
- void (*cb)(void *priv, enum qdio_brinfo_entry_type type,
- void *entry),
- void *priv);
#endif /* __QDIO_H__ */
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index c563f83..a7bdd12 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -114,8 +114,7 @@
void sclp_early_get_ipl_info(struct sclp_ipl_info *info);
void sclp_early_detect(void);
void sclp_early_printk(const char *s);
-void sclp_early_printk_force(const char *s);
-void __sclp_early_printk(const char *s, unsigned int len, unsigned int force);
+void __sclp_early_printk(const char *s, unsigned int len);
int sclp_early_get_memsize(unsigned long *mem);
int sclp_early_get_hsa_size(unsigned long *hsa_size);
@@ -129,6 +128,8 @@
int sclp_chp_read_info(struct sclp_chp_info *info);
int sclp_pci_configure(u32 fid);
int sclp_pci_deconfigure(u32 fid);
+int sclp_ap_configure(u32 apid);
+int sclp_ap_deconfigure(u32 apid);
int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h
index 42de04a..0c21514 100644
--- a/arch/s390/include/asm/sections.h
+++ b/arch/s390/include/asm/sections.h
@@ -26,14 +26,14 @@
* final .boot.data section, which should be identical in the decompressor and
* the decompressed kernel (that is checked during the build).
*/
-#define __bootdata(var) __section(.boot.data.var) var
+#define __bootdata(var) __section(".boot.data." #var) var
/*
* .boot.preserved.data is similar to .boot.data, but it is not part of the
* .init section and thus will be preserved for later use in the decompressed
* kernel.
*/
-#define __bootdata_preserved(var) __section(.boot.preserved.data.var) var
+#define __bootdata_preserved(var) __section(".boot.preserved.data." #var) var
extern unsigned long __sdma, __edma;
extern unsigned long __stext_dma, __etext_dma;
diff --git a/arch/s390/include/asm/set_memory.h b/arch/s390/include/asm/set_memory.h
index c59a835..a22a5a8 100644
--- a/arch/s390/include/asm/set_memory.h
+++ b/arch/s390/include/asm/set_memory.h
@@ -2,6 +2,10 @@
#ifndef _ASMS390_SET_MEMORY_H
#define _ASMS390_SET_MEMORY_H
+#include <linux/mutex.h>
+
+extern struct mutex cpa_mutex;
+
#define SET_MEMORY_RO 1UL
#define SET_MEMORY_RW 2UL
#define SET_MEMORY_NX 4UL
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index e6a5007..75a2ece 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -28,7 +28,6 @@
#define MACHINE_FLAG_DIAG9C BIT(3)
#define MACHINE_FLAG_ESOP BIT(4)
#define MACHINE_FLAG_IDTE BIT(5)
-#define MACHINE_FLAG_DIAG44 BIT(6)
#define MACHINE_FLAG_EDAT1 BIT(7)
#define MACHINE_FLAG_EDAT2 BIT(8)
#define MACHINE_FLAG_TOPOLOGY BIT(10)
@@ -82,12 +81,21 @@
char command_line[ARCH_COMMAND_LINE_SIZE]; /* 0x10480 */
};
+extern unsigned int zlib_dfltcc_support;
+#define ZLIB_DFLTCC_DISABLED 0
+#define ZLIB_DFLTCC_FULL 1
+#define ZLIB_DFLTCC_DEFLATE_ONLY 2
+#define ZLIB_DFLTCC_INFLATE_ONLY 3
+#define ZLIB_DFLTCC_FULL_DEBUG 4
+
extern int noexec_disabled;
extern int memory_end_set;
extern unsigned long memory_end;
extern unsigned long vmalloc_size;
extern unsigned long max_physmem_end;
-extern unsigned long __swsusp_reset_dma;
+
+/* The Write Back bit position in the physaddr is given by the SLPC PCI */
+extern unsigned long mio_wb_bit_mask;
#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
@@ -96,7 +104,6 @@
#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
-#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
@@ -116,9 +123,6 @@
extern unsigned int console_devno;
extern unsigned int console_irq;
-extern char vmhalt_cmd[];
-extern char vmpoff_cmd[];
-
#define CONSOLE_IS_UNDEFINED (console_mode == 0)
#define CONSOLE_IS_SCLP (console_mode == 1)
#define CONSOLE_IS_3215 (console_mode == 2)
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index b157a81..01e3600 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -10,6 +10,7 @@
#include <asm/sigp.h>
#include <asm/lowcore.h>
+#include <asm/processor.h>
#define raw_smp_processor_id() (S390_lowcore.cpu_nr)
@@ -30,10 +31,10 @@
extern int smp_find_processor_id(u16 address);
extern int smp_store_status(int cpu);
extern void smp_save_dump_cpus(void);
-extern int smp_vcpu_scheduled(int cpu);
extern void smp_yield_cpu(int cpu);
extern void smp_cpu_set_polarization(int cpu, int val);
extern int smp_cpu_get_polarization(int cpu);
+extern int smp_cpu_get_cpu_address(int cpu);
extern void smp_fill_possible_mask(void);
extern void smp_detect_cpus(void);
@@ -53,9 +54,14 @@
return cpu - (cpu % (smp_cpu_mtid + 1));
}
+static inline void smp_cpus_done(unsigned int max_cpus)
+{
+}
+
extern int smp_rescan_cpus(void);
extern void __noreturn cpu_die(void);
extern void __cpu_die(unsigned int cpu);
extern int __cpu_disable(void);
+extern void schedule_mcck_handler(void);
#endif /* __ASM_SMP_H */
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index c02bff3..3a37172 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -85,7 +85,7 @@
static inline void arch_spin_unlock(arch_spinlock_t *lp)
{
typecheck(int, lp->lock);
- asm volatile(
+ asm_inline volatile(
ALTERNATIVE("", ".long 0xb2fa0070", 49) /* NIAI 7 */
" sth %1,%0\n"
: "=Q" (((unsigned short *) &lp->lock)[1])
diff --git a/arch/s390/include/asm/stacktrace.h b/arch/s390/include/asm/stacktrace.h
index e192681..90488b0 100644
--- a/arch/s390/include/asm/stacktrace.h
+++ b/arch/s390/include/asm/stacktrace.h
@@ -33,8 +33,8 @@
return addr >= info->begin && addr + len <= info->end;
}
-static inline unsigned long get_stack_pointer(struct task_struct *task,
- struct pt_regs *regs)
+static __always_inline unsigned long get_stack_pointer(struct task_struct *task,
+ struct pt_regs *regs)
{
if (regs)
return (unsigned long) kernel_stack_pointer(regs);
@@ -62,6 +62,17 @@
};
#endif
+/*
+ * Unlike current_stack_pointer() which simply returns current value of %r15
+ * current_frame_address() returns function stack frame address, which matches
+ * %r15 upon function invocation. It may differ from %r15 later if function
+ * allocates stack for local variables or new stack frame to call other
+ * functions.
+ */
+#define current_frame_address() \
+ ((unsigned long)__builtin_frame_address(0) - \
+ offsetof(struct stack_frame, back_chain))
+
#define CALL_ARGS_0() \
register unsigned long r2 asm("2")
#define CALL_ARGS_1(arg1) \
@@ -99,18 +110,20 @@
#define CALL_ON_STACK(fn, stack, nr, args...) \
({ \
+ unsigned long frame = current_frame_address(); \
CALL_ARGS_##nr(args); \
unsigned long prev; \
\
asm volatile( \
" la %[_prev],0(15)\n" \
- " la 15,0(%[_stack])\n" \
- " stg %[_prev],%[_bc](15)\n" \
+ " lg 15,%[_stack]\n" \
+ " stg %[_frame],%[_bc](15)\n" \
" brasl 14,%[_fn]\n" \
" la 15,0(%[_prev])\n" \
: [_prev] "=&a" (prev), CALL_FMT_##nr \
- : [_stack] "a" (stack), \
+ : [_stack] "R" (stack), \
[_bc] "i" (offsetof(struct stack_frame, back_chain)), \
+ [_frame] "d" (frame), \
[_fn] "X" (fn) : CALL_CLOBBER_##nr); \
r2; \
})
diff --git a/arch/s390/include/asm/stp.h b/arch/s390/include/asm/stp.h
index f0ddefb..ba07463 100644
--- a/arch/s390/include/asm/stp.h
+++ b/arch/s390/include/asm/stp.h
@@ -6,43 +6,89 @@
#ifndef __S390_STP_H
#define __S390_STP_H
+#include <linux/compiler.h>
+
/* notifier for syncs */
extern struct atomic_notifier_head s390_epoch_delta_notifier;
/* STP interruption parameter */
struct stp_irq_parm {
- unsigned int _pad0 : 14;
- unsigned int tsc : 1; /* Timing status change */
- unsigned int lac : 1; /* Link availability change */
- unsigned int tcpc : 1; /* Time control parameter change */
- unsigned int _pad2 : 15;
-} __attribute__ ((packed));
+ u32 : 14;
+ u32 tsc : 1; /* Timing status change */
+ u32 lac : 1; /* Link availability change */
+ u32 tcpc : 1; /* Time control parameter change */
+ u32 : 15;
+} __packed;
#define STP_OP_SYNC 1
#define STP_OP_CTRL 3
struct stp_sstpi {
- unsigned int rsvd0;
- unsigned int rsvd1 : 8;
- unsigned int stratum : 8;
- unsigned int vbits : 16;
- unsigned int leaps : 16;
- unsigned int tmd : 4;
- unsigned int ctn : 4;
- unsigned int rsvd2 : 3;
- unsigned int c : 1;
- unsigned int tst : 4;
- unsigned int tzo : 16;
- unsigned int dsto : 16;
- unsigned int ctrl : 16;
- unsigned int rsvd3 : 16;
- unsigned int tto;
- unsigned int rsvd4;
- unsigned int ctnid[3];
- unsigned int rsvd5;
- unsigned int todoff[4];
- unsigned int rsvd6[48];
-} __attribute__ ((packed));
+ u32 : 32;
+ u32 tu : 1;
+ u32 lu : 1;
+ u32 : 6;
+ u32 stratum : 8;
+ u32 vbits : 16;
+ u32 leaps : 16;
+ u32 tmd : 4;
+ u32 ctn : 4;
+ u32 : 3;
+ u32 c : 1;
+ u32 tst : 4;
+ u32 tzo : 16;
+ u32 dsto : 16;
+ u32 ctrl : 16;
+ u32 : 16;
+ u32 tto;
+ u32 : 32;
+ u32 ctnid[3];
+ u32 : 32;
+ u32 todoff[4];
+ u32 rsvd[48];
+} __packed;
+
+struct stp_tzib {
+ u32 tzan : 16;
+ u32 : 16;
+ u32 tzo : 16;
+ u32 dsto : 16;
+ u32 stn;
+ u32 dstn;
+ u64 dst_on_alg;
+ u64 dst_off_alg;
+} __packed;
+
+struct stp_tcpib {
+ u32 atcode : 4;
+ u32 ntcode : 4;
+ u32 d : 1;
+ u32 : 23;
+ s32 tto;
+ struct stp_tzib atzib;
+ struct stp_tzib ntzib;
+ s32 adst_offset : 16;
+ s32 ndst_offset : 16;
+ u32 rsvd1;
+ u64 ntzib_update;
+ u64 ndsto_update;
+} __packed;
+
+struct stp_lsoib {
+ u32 p : 1;
+ u32 : 31;
+ s32 also : 16;
+ s32 nlso : 16;
+ u64 nlsout;
+} __packed;
+
+struct stp_stzi {
+ u32 rsvd0[3];
+ u64 data_ts;
+ u32 rsvd1[22];
+ struct stp_tcpib tcpib;
+ struct stp_lsoib lsoib;
+} __packed;
/* Functions needed by the machine check handler */
int stp_sync_check(void);
diff --git a/arch/s390/include/asm/syscall_wrapper.h b/arch/s390/include/asm/syscall_wrapper.h
index 3c3d6fe..1320f42 100644
--- a/arch/s390/include/asm/syscall_wrapper.h
+++ b/arch/s390/include/asm/syscall_wrapper.h
@@ -30,7 +30,7 @@
})
#define __S390_SYS_STUBx(x, name, ...) \
- asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
+ asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));\
ALLOW_ERROR_INJECTION(__s390_sys##name, ERRNO); \
asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
{ \
@@ -46,7 +46,7 @@
#define COMPAT_SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long __s390_compat_sys_##sname(void); \
- ALLOW_ERROR_INJECTION(__s390_compat__sys_##sname, ERRNO); \
+ ALLOW_ERROR_INJECTION(__s390_compat_sys_##sname, ERRNO); \
asmlinkage long __s390_compat_sys_##sname(void)
#define SYSCALL_DEFINE0(sname) \
@@ -72,7 +72,7 @@
asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(__se_compat_sys##name)))); \
- ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \
+ ALLOW_ERROR_INJECTION(__s390_compat_sys##name, ERRNO); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index e582fbe..13a04fc 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -24,7 +24,6 @@
#ifndef __ASSEMBLY__
#include <asm/lowcore.h>
#include <asm/page.h>
-#include <asm/processor.h>
#define STACK_INIT_OFFSET \
(THREAD_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs))
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index b6a4ce9..289aaff 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -49,11 +49,6 @@
asm volatile("sckc %0" : : "Q" (time));
}
-static inline void store_clock_comparator(__u64 *time)
-{
- asm volatile("stckc %0" : "=Q" (*time));
-}
-
void clock_comparator_work(void);
void __init time_early_init(void);
@@ -180,7 +175,6 @@
int get_phys_clock(unsigned long *clock);
void init_cpu_timer(void);
-unsigned long long monotonic_clock(void);
extern unsigned char tod_clock_base[16] __aligned(8);
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index aa406c0..954fa8c 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -36,7 +36,6 @@
#define p4d_free_tlb p4d_free_tlb
#define pud_free_tlb pud_free_tlb
-#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
#include <asm-generic/tlb.h>
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index 82703e0..6448bb5 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -5,8 +5,6 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <asm/processor.h>
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
/*
* Flush all TLB entries on the local CPU.
@@ -32,8 +30,6 @@
: : "a" (opt), "a" (asce) : "cc");
}
-void smp_ptlb_all(void);
-
/*
* Flush all TLB entries on all CPUs.
*/
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index ef9dd25..3a0ac0c 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -16,8 +16,8 @@
unsigned short socket_id;
unsigned short book_id;
unsigned short drawer_id;
- unsigned short node_id;
unsigned short dedicated : 1;
+ int booted_cores;
cpumask_t thread_mask;
cpumask_t core_mask;
cpumask_t book_mask;
@@ -25,7 +25,6 @@
};
extern struct cpu_topology_s390 cpu_topology[NR_CPUS];
-extern cpumask_t cpus_with_topology;
#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
#define topology_thread_id(cpu) (cpu_topology[cpu].thread_id)
@@ -37,6 +36,7 @@
#define topology_drawer_id(cpu) (cpu_topology[cpu].drawer_id)
#define topology_drawer_cpumask(cpu) (&cpu_topology[cpu].drawer_mask)
#define topology_cpu_dedicated(cpu) (cpu_topology[cpu].dedicated)
+#define topology_booted_cores(cpu) (cpu_topology[cpu].booted_cores)
#define mc_capable() 1
@@ -45,6 +45,7 @@
int topology_set_cpu_management(int fc);
void topology_schedule_update(void);
void store_topology(struct sysinfo_15_1_x *info);
+void update_cpu_masks(void);
void topology_expect_change(void);
const struct cpumask *cpu_coregroup_mask(int cpu);
@@ -54,6 +55,8 @@
static inline void topology_schedule_update(void) { }
static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
static inline int topology_cpu_dedicated(int cpu_nr) { return 0; }
+static inline int topology_booted_cores(int cpu_nr) { return 1; }
+static inline void update_cpu_masks(void) { }
static inline void topology_expect_change(void) { }
#endif /* CONFIG_SCHED_TOPOLOGY */
@@ -71,14 +74,14 @@
#define cpu_to_node cpu_to_node
static inline int cpu_to_node(int cpu)
{
- return cpu_topology[cpu].node_id;
+ return 0;
}
/* Returns a pointer to the cpumask of CPUs on node 'node'. */
#define cpumask_of_node cpumask_of_node
static inline const struct cpumask *cpumask_of_node(int node)
{
- return &node_to_cpumask_map[node];
+ return cpu_possible_mask;
}
#define pcibus_to_node(bus) __pcibus_to_node(bus)
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 3244388..c868e7e 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -32,7 +32,7 @@
#define USER_DS_SACF (3)
#define get_fs() (current->thread.mm_segment)
-#define segment_eq(a,b) (((a) & 2) == ((b) & 2))
+#define uaccess_kernel() ((get_fs() & 2) == KERNEL_DS)
void set_fs(mm_segment_t fs);
@@ -60,6 +60,9 @@
#define INLINE_COPY_TO_USER
#endif
+int __put_user_bad(void) __attribute__((noreturn));
+int __get_user_bad(void) __attribute__((noreturn));
+
#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES
#define __put_get_user_asm(to, from, size, spec) \
@@ -109,6 +112,9 @@
(unsigned long *)x,
size, spec);
break;
+ default:
+ __put_user_bad();
+ break;
}
return rc;
}
@@ -139,6 +145,9 @@
(unsigned long __user *)ptr,
size, spec);
break;
+ default:
+ __get_user_bad();
+ break;
}
return rc;
}
@@ -179,7 +188,7 @@
default: \
__put_user_bad(); \
break; \
- } \
+ } \
__builtin_expect(__pu_err, 0); \
})
@@ -190,8 +199,6 @@
})
-int __put_user_bad(void) __attribute__((noreturn));
-
#define __get_user(x, ptr) \
({ \
int __gu_err = -EFAULT; \
@@ -238,8 +245,6 @@
__get_user(x, ptr); \
})
-int __get_user_bad(void) __attribute__((noreturn));
-
unsigned long __must_check
raw_copy_in_user(void __user *to, const void __user *from, unsigned long n);
@@ -278,4 +283,115 @@
int copy_to_user_real(void __user *dest, void *src, unsigned long count);
void *s390_kernel_write(void *dst, const void *src, size_t size);
+#define HAVE_GET_KERNEL_NOFAULT
+
+int __noreturn __put_kernel_bad(void);
+
+#define __put_kernel_asm(val, to, insn) \
+({ \
+ int __rc; \
+ \
+ asm volatile( \
+ "0: " insn " %2,%1\n" \
+ "1: xr %0,%0\n" \
+ "2:\n" \
+ ".pushsection .fixup, \"ax\"\n" \
+ "3: lhi %0,%3\n" \
+ " jg 2b\n" \
+ ".popsection\n" \
+ EX_TABLE(0b,3b) EX_TABLE(1b,3b) \
+ : "=d" (__rc), "+Q" (*(to)) \
+ : "d" (val), "K" (-EFAULT) \
+ : "cc"); \
+ __rc; \
+})
+
+#define __put_kernel_nofault(dst, src, type, err_label) \
+do { \
+ u64 __x = (u64)(*((type *)(src))); \
+ int __pk_err; \
+ \
+ switch (sizeof(type)) { \
+ case 1: \
+ __pk_err = __put_kernel_asm(__x, (type *)(dst), "stc"); \
+ break; \
+ case 2: \
+ __pk_err = __put_kernel_asm(__x, (type *)(dst), "sth"); \
+ break; \
+ case 4: \
+ __pk_err = __put_kernel_asm(__x, (type *)(dst), "st"); \
+ break; \
+ case 8: \
+ __pk_err = __put_kernel_asm(__x, (type *)(dst), "stg"); \
+ break; \
+ default: \
+ __pk_err = __put_kernel_bad(); \
+ break; \
+ } \
+ if (unlikely(__pk_err)) \
+ goto err_label; \
+} while (0)
+
+int __noreturn __get_kernel_bad(void);
+
+#define __get_kernel_asm(val, from, insn) \
+({ \
+ int __rc; \
+ \
+ asm volatile( \
+ "0: " insn " %1,%2\n" \
+ "1: xr %0,%0\n" \
+ "2:\n" \
+ ".pushsection .fixup, \"ax\"\n" \
+ "3: lhi %0,%3\n" \
+ " jg 2b\n" \
+ ".popsection\n" \
+ EX_TABLE(0b,3b) EX_TABLE(1b,3b) \
+ : "=d" (__rc), "+d" (val) \
+ : "Q" (*(from)), "K" (-EFAULT) \
+ : "cc"); \
+ __rc; \
+})
+
+#define __get_kernel_nofault(dst, src, type, err_label) \
+do { \
+ int __gk_err; \
+ \
+ switch (sizeof(type)) { \
+ case 1: { \
+ u8 __x = 0; \
+ \
+ __gk_err = __get_kernel_asm(__x, (type *)(src), "ic"); \
+ *((type *)(dst)) = (type)__x; \
+ break; \
+ }; \
+ case 2: { \
+ u16 __x = 0; \
+ \
+ __gk_err = __get_kernel_asm(__x, (type *)(src), "lh"); \
+ *((type *)(dst)) = (type)__x; \
+ break; \
+ }; \
+ case 4: { \
+ u32 __x = 0; \
+ \
+ __gk_err = __get_kernel_asm(__x, (type *)(src), "l"); \
+ *((type *)(dst)) = (type)__x; \
+ break; \
+ }; \
+ case 8: { \
+ u64 __x = 0; \
+ \
+ __gk_err = __get_kernel_asm(__x, (type *)(src), "lg"); \
+ *((type *)(dst)) = (type)__x; \
+ break; \
+ }; \
+ default: \
+ __gk_err = __get_kernel_bad(); \
+ break; \
+ } \
+ if (unlikely(__gk_err)) \
+ goto err_label; \
+} while (0)
+
#endif /* __S390_UACCESS_H */
diff --git a/arch/s390/include/asm/unwind.h b/arch/s390/include/asm/unwind.h
index eaaefec..de9006b 100644
--- a/arch/s390/include/asm/unwind.h
+++ b/arch/s390/include/asm/unwind.h
@@ -35,7 +35,6 @@
struct task_struct *task;
struct pt_regs *regs;
unsigned long sp, ip;
- bool reuse_sp;
int graph_idx;
bool reliable;
bool error;
@@ -59,10 +58,11 @@
static inline void unwind_start(struct unwind_state *state,
struct task_struct *task,
struct pt_regs *regs,
- unsigned long sp)
+ unsigned long first_frame)
{
- sp = sp ? : get_stack_pointer(task, regs);
- __unwind_start(state, task, regs, sp);
+ task = task ?: current;
+ first_frame = first_frame ?: get_stack_pointer(task, regs);
+ __unwind_start(state, task, regs, first_frame);
}
static inline struct pt_regs *unwind_get_entry_regs(struct unwind_state *state)
diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h
index ef3c00b..12c5f00 100644
--- a/arch/s390/include/asm/uv.h
+++ b/arch/s390/include/asm/uv.h
@@ -14,23 +14,67 @@
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/bug.h>
+#include <linux/sched.h>
#include <asm/page.h>
+#include <asm/gmap.h>
#define UVC_RC_EXECUTED 0x0001
#define UVC_RC_INV_CMD 0x0002
#define UVC_RC_INV_STATE 0x0003
#define UVC_RC_INV_LEN 0x0005
#define UVC_RC_NO_RESUME 0x0007
+#define UVC_RC_NEED_DESTROY 0x8000
#define UVC_CMD_QUI 0x0001
+#define UVC_CMD_INIT_UV 0x000f
+#define UVC_CMD_CREATE_SEC_CONF 0x0100
+#define UVC_CMD_DESTROY_SEC_CONF 0x0101
+#define UVC_CMD_CREATE_SEC_CPU 0x0120
+#define UVC_CMD_DESTROY_SEC_CPU 0x0121
+#define UVC_CMD_CONV_TO_SEC_STOR 0x0200
+#define UVC_CMD_CONV_FROM_SEC_STOR 0x0201
+#define UVC_CMD_DESTR_SEC_STOR 0x0202
+#define UVC_CMD_SET_SEC_CONF_PARAMS 0x0300
+#define UVC_CMD_UNPACK_IMG 0x0301
+#define UVC_CMD_VERIFY_IMG 0x0302
+#define UVC_CMD_CPU_RESET 0x0310
+#define UVC_CMD_CPU_RESET_INITIAL 0x0311
+#define UVC_CMD_PREPARE_RESET 0x0320
+#define UVC_CMD_CPU_RESET_CLEAR 0x0321
+#define UVC_CMD_CPU_SET_STATE 0x0330
+#define UVC_CMD_SET_UNSHARE_ALL 0x0340
+#define UVC_CMD_PIN_PAGE_SHARED 0x0341
+#define UVC_CMD_UNPIN_PAGE_SHARED 0x0342
#define UVC_CMD_SET_SHARED_ACCESS 0x1000
#define UVC_CMD_REMOVE_SHARED_ACCESS 0x1001
/* Bits in installed uv calls */
enum uv_cmds_inst {
BIT_UVC_CMD_QUI = 0,
+ BIT_UVC_CMD_INIT_UV = 1,
+ BIT_UVC_CMD_CREATE_SEC_CONF = 2,
+ BIT_UVC_CMD_DESTROY_SEC_CONF = 3,
+ BIT_UVC_CMD_CREATE_SEC_CPU = 4,
+ BIT_UVC_CMD_DESTROY_SEC_CPU = 5,
+ BIT_UVC_CMD_CONV_TO_SEC_STOR = 6,
+ BIT_UVC_CMD_CONV_FROM_SEC_STOR = 7,
BIT_UVC_CMD_SET_SHARED_ACCESS = 8,
BIT_UVC_CMD_REMOVE_SHARED_ACCESS = 9,
+ BIT_UVC_CMD_SET_SEC_PARMS = 11,
+ BIT_UVC_CMD_UNPACK_IMG = 13,
+ BIT_UVC_CMD_VERIFY_IMG = 14,
+ BIT_UVC_CMD_CPU_RESET = 15,
+ BIT_UVC_CMD_CPU_RESET_INITIAL = 16,
+ BIT_UVC_CMD_CPU_SET_STATE = 17,
+ BIT_UVC_CMD_PREPARE_RESET = 18,
+ BIT_UVC_CMD_CPU_PERFORM_CLEAR_RESET = 19,
+ BIT_UVC_CMD_UNSHARE_ALL = 20,
+ BIT_UVC_CMD_PIN_PAGE_SHARED = 21,
+ BIT_UVC_CMD_UNPIN_PAGE_SHARED = 22,
+};
+
+enum uv_feat_ind {
+ BIT_UV_FEAT_MISC = 0,
};
struct uv_cb_header {
@@ -40,13 +84,128 @@
u16 rrc; /* Return Reason Code */
} __packed __aligned(8);
+/* Query Ultravisor Information */
struct uv_cb_qui {
struct uv_cb_header header;
u64 reserved08;
u64 inst_calls_list[4];
- u64 reserved30[15];
+ u64 reserved30[2];
+ u64 uv_base_stor_len;
+ u64 reserved48;
+ u64 conf_base_phys_stor_len;
+ u64 conf_base_virt_stor_len;
+ u64 conf_virt_var_stor_len;
+ u64 cpu_stor_len;
+ u32 reserved70[3];
+ u32 max_num_sec_conf;
+ u64 max_guest_stor_addr;
+ u8 reserved88[158 - 136];
+ u16 max_guest_cpu_id;
+ u64 uv_feature_indications;
+ u8 reserveda0[200 - 168];
} __packed __aligned(8);
+/* Initialize Ultravisor */
+struct uv_cb_init {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 stor_origin;
+ u64 stor_len;
+ u64 reserved28[4];
+} __packed __aligned(8);
+
+/* Create Guest Configuration */
+struct uv_cb_cgc {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 guest_handle;
+ u64 conf_base_stor_origin;
+ u64 conf_virt_stor_origin;
+ u64 reserved30;
+ u64 guest_stor_origin;
+ u64 guest_stor_len;
+ u64 guest_sca;
+ u64 guest_asce;
+ u64 reserved58[5];
+} __packed __aligned(8);
+
+/* Create Secure CPU */
+struct uv_cb_csc {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 cpu_handle;
+ u64 guest_handle;
+ u64 stor_origin;
+ u8 reserved30[6];
+ u16 num;
+ u64 state_origin;
+ u64 reserved40[4];
+} __packed __aligned(8);
+
+/* Convert to Secure */
+struct uv_cb_cts {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 guest_handle;
+ u64 gaddr;
+} __packed __aligned(8);
+
+/* Convert from Secure / Pin Page Shared */
+struct uv_cb_cfs {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 paddr;
+} __packed __aligned(8);
+
+/* Set Secure Config Parameter */
+struct uv_cb_ssc {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 guest_handle;
+ u64 sec_header_origin;
+ u32 sec_header_len;
+ u32 reserved2c;
+ u64 reserved30[4];
+} __packed __aligned(8);
+
+/* Unpack */
+struct uv_cb_unp {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 guest_handle;
+ u64 gaddr;
+ u64 tweak[2];
+ u64 reserved38[3];
+} __packed __aligned(8);
+
+#define PV_CPU_STATE_OPR 1
+#define PV_CPU_STATE_STP 2
+#define PV_CPU_STATE_CHKSTP 3
+#define PV_CPU_STATE_OPR_LOAD 5
+
+struct uv_cb_cpu_set_state {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 cpu_handle;
+ u8 reserved20[7];
+ u8 state;
+ u64 reserved28[5];
+};
+
+/*
+ * A common UV call struct for calls that take no payload
+ * Examples:
+ * Destroy cpu/config
+ * Verify
+ */
+struct uv_cb_nodata {
+ struct uv_cb_header header;
+ u64 reserved08[2];
+ u64 handle;
+ u64 reserved20[4];
+} __packed __aligned(8);
+
+/* Set Shared Access */
struct uv_cb_share {
struct uv_cb_header header;
u64 reserved08[3];
@@ -54,21 +213,77 @@
u64 reserved28;
} __packed __aligned(8);
-static inline int uv_call(unsigned long r1, unsigned long r2)
+static inline int __uv_call(unsigned long r1, unsigned long r2)
{
int cc;
asm volatile(
- "0: .insn rrf,0xB9A40000,%[r1],%[r2],0,0\n"
- " brc 3,0b\n"
- " ipm %[cc]\n"
- " srl %[cc],28\n"
+ " .insn rrf,0xB9A40000,%[r1],%[r2],0,0\n"
+ " ipm %[cc]\n"
+ " srl %[cc],28\n"
: [cc] "=d" (cc)
: [r1] "a" (r1), [r2] "a" (r2)
: "memory", "cc");
return cc;
}
+static inline int uv_call(unsigned long r1, unsigned long r2)
+{
+ int cc;
+
+ do {
+ cc = __uv_call(r1, r2);
+ } while (cc > 1);
+ return cc;
+}
+
+/* Low level uv_call that avoids stalls for long running busy conditions */
+static inline int uv_call_sched(unsigned long r1, unsigned long r2)
+{
+ int cc;
+
+ do {
+ cc = __uv_call(r1, r2);
+ cond_resched();
+ } while (cc > 1);
+ return cc;
+}
+
+/*
+ * special variant of uv_call that only transports the cpu or guest
+ * handle and the command, like destroy or verify.
+ */
+static inline int uv_cmd_nodata(u64 handle, u16 cmd, u16 *rc, u16 *rrc)
+{
+ struct uv_cb_nodata uvcb = {
+ .header.cmd = cmd,
+ .header.len = sizeof(uvcb),
+ .handle = handle,
+ };
+ int cc;
+
+ WARN(!handle, "No handle provided to Ultravisor call cmd %x\n", cmd);
+ cc = uv_call_sched(0, (u64)&uvcb);
+ *rc = uvcb.header.rc;
+ *rrc = uvcb.header.rrc;
+ return cc ? -EINVAL : 0;
+}
+
+struct uv_info {
+ unsigned long inst_calls_list[4];
+ unsigned long uv_base_stor_len;
+ unsigned long guest_base_stor_len;
+ unsigned long guest_virt_base_stor_len;
+ unsigned long guest_virt_var_stor_len;
+ unsigned long guest_cpu_stor_len;
+ unsigned long max_sec_stor_addr;
+ unsigned int max_num_sec_conf;
+ unsigned short max_guest_cpu_id;
+ unsigned long uv_feature_indications;
+};
+
+extern struct uv_info uv_info;
+
#ifdef CONFIG_PROTECTED_VIRTUALIZATION_GUEST
extern int prot_virt_guest;
@@ -86,7 +301,7 @@
};
if (!is_prot_virt_guest())
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
/*
* Sharing is page wise, if we encounter addresses that are
* not page aligned, we assume something went wrong. If
@@ -121,11 +336,46 @@
return share(addr, UVC_CMD_REMOVE_SHARED_ACCESS);
}
-void uv_query_info(void);
#else
#define is_prot_virt_guest() 0
static inline int uv_set_shared(unsigned long addr) { return 0; }
static inline int uv_remove_shared(unsigned long addr) { return 0; }
+#endif
+
+#if IS_ENABLED(CONFIG_KVM)
+extern int prot_virt_host;
+
+static inline int is_prot_virt_host(void)
+{
+ return prot_virt_host;
+}
+
+int gmap_make_secure(struct gmap *gmap, unsigned long gaddr, void *uvcb);
+int uv_destroy_page(unsigned long paddr);
+int uv_convert_from_secure(unsigned long paddr);
+int gmap_convert_to_secure(struct gmap *gmap, unsigned long gaddr);
+
+void setup_uv(void);
+void adjust_to_uv_max(unsigned long *vmax);
+#else
+#define is_prot_virt_host() 0
+static inline void setup_uv(void) {}
+static inline void adjust_to_uv_max(unsigned long *vmax) {}
+
+static inline int uv_destroy_page(unsigned long paddr)
+{
+ return 0;
+}
+
+static inline int uv_convert_from_secure(unsigned long paddr)
+{
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) || IS_ENABLED(CONFIG_KVM)
+void uv_query_info(void);
+#else
static inline void uv_query_info(void) {}
#endif
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index f3ba84f..29b44a9 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -2,6 +2,8 @@
#ifndef __S390_VDSO_H__
#define __S390_VDSO_H__
+#include <vdso/datapage.h>
+
/* Default link addresses for the vDSOs */
#define VDSO32_LBASE 0
#define VDSO64_LBASE 0
@@ -18,38 +20,22 @@
* itself and may change without notice.
*/
-struct vdso_data {
- __u64 tb_update_count; /* Timebase atomicity ctr 0x00 */
- __u64 xtime_tod_stamp; /* TOD clock for xtime 0x08 */
- __u64 xtime_clock_sec; /* Kernel time 0x10 */
- __u64 xtime_clock_nsec; /* 0x18 */
- __u64 xtime_coarse_sec; /* Coarse kernel time 0x20 */
- __u64 xtime_coarse_nsec; /* 0x28 */
- __u64 wtom_clock_sec; /* Wall to monotonic clock 0x30 */
- __u64 wtom_clock_nsec; /* 0x38 */
- __u64 wtom_coarse_sec; /* Coarse wall to monotonic 0x40 */
- __u64 wtom_coarse_nsec; /* 0x48 */
- __u32 tz_minuteswest; /* Minutes west of Greenwich 0x50 */
- __u32 tz_dsttime; /* Type of dst correction 0x54 */
- __u32 ectg_available; /* ECTG instruction present 0x58 */
- __u32 tk_mult; /* Mult. used for xtime_nsec 0x5c */
- __u32 tk_shift; /* Shift used for xtime_nsec 0x60 */
- __u32 ts_dir; /* TOD steering direction 0x64 */
- __u64 ts_end; /* TOD steering end 0x68 */
- __u32 hrtimer_res; /* hrtimer resolution 0x70 */
-};
-
struct vdso_per_cpu_data {
- __u64 ectg_timer_base;
- __u64 ectg_user_time;
- __u32 cpu_nr;
- __u32 node_id;
+ /*
+ * Note: node_id and cpu_nr must be at adjacent memory locations.
+ * VDSO userspace must read both values with a single instruction.
+ */
+ union {
+ __u64 getcpu_val;
+ struct {
+ __u32 node_id;
+ __u32 cpu_nr;
+ };
+ };
};
extern struct vdso_data *vdso_data;
-extern struct vdso_data boot_vdso_data;
-void vdso_alloc_boot_cpu(struct lowcore *lowcore);
int vdso_alloc_per_cpu(struct lowcore *lowcore);
void vdso_free_per_cpu(struct lowcore *lowcore);
diff --git a/arch/s390/include/asm/vdso/clocksource.h b/arch/s390/include/asm/vdso/clocksource.h
new file mode 100644
index 0000000..a93eda0
--- /dev/null
+++ b/arch/s390/include/asm/vdso/clocksource.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_VDSO_CLOCKSOURCE_H
+#define __ASM_VDSO_CLOCKSOURCE_H
+
+#define VDSO_ARCH_CLOCKMODES \
+ VDSO_CLOCKMODE_TOD
+
+#endif /* __ASM_VDSO_CLOCKSOURCE_H */
diff --git a/arch/s390/include/asm/vdso/data.h b/arch/s390/include/asm/vdso/data.h
new file mode 100644
index 0000000..73ee891
--- /dev/null
+++ b/arch/s390/include/asm/vdso/data.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __S390_ASM_VDSO_DATA_H
+#define __S390_ASM_VDSO_DATA_H
+
+#include <linux/types.h>
+#include <vdso/datapage.h>
+
+struct arch_vdso_data {
+ __s64 tod_steering_delta;
+ __u64 tod_steering_end;
+};
+
+#endif /* __S390_ASM_VDSO_DATA_H */
diff --git a/arch/s390/include/asm/vdso/gettimeofday.h b/arch/s390/include/asm/vdso/gettimeofday.h
new file mode 100644
index 0000000..bf12306
--- /dev/null
+++ b/arch/s390/include/asm/vdso/gettimeofday.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_VDSO_GETTIMEOFDAY_H
+#define ASM_VDSO_GETTIMEOFDAY_H
+
+#define VDSO_HAS_TIME 1
+
+#define VDSO_HAS_CLOCK_GETRES 1
+
+#include <asm/timex.h>
+#include <asm/unistd.h>
+#include <asm/vdso.h>
+#include <linux/compiler.h>
+
+#define vdso_calc_delta __arch_vdso_calc_delta
+static __always_inline u64 __arch_vdso_calc_delta(u64 cycles, u64 last, u64 mask, u32 mult)
+{
+ return (cycles - last) * mult;
+}
+
+static __always_inline const struct vdso_data *__arch_get_vdso_data(void)
+{
+ return _vdso_data;
+}
+
+static inline u64 __arch_get_hw_counter(s32 clock_mode, const struct vdso_data *vd)
+{
+ const struct vdso_data *vdso = __arch_get_vdso_data();
+ u64 adj, now;
+
+ now = get_tod_clock();
+ adj = vdso->arch_data.tod_steering_end - now;
+ if (unlikely((s64) adj > 0))
+ now += (vdso->arch_data.tod_steering_delta < 0) ? (adj >> 15) : -(adj >> 15);
+ return now;
+}
+
+static __always_inline
+long clock_gettime_fallback(clockid_t clkid, struct __kernel_timespec *ts)
+{
+ register unsigned long r1 __asm__("r1") = __NR_clock_gettime;
+ register unsigned long r2 __asm__("r2") = (unsigned long)clkid;
+ register void *r3 __asm__("r3") = ts;
+
+ asm ("svc 0\n" : "+d" (r2) : "d" (r1), "d" (r3) : "cc", "memory");
+ return r2;
+}
+
+static __always_inline
+long gettimeofday_fallback(register struct __kernel_old_timeval *tv,
+ register struct timezone *tz)
+{
+ register unsigned long r1 __asm__("r1") = __NR_gettimeofday;
+ register unsigned long r2 __asm__("r2") = (unsigned long)tv;
+ register void *r3 __asm__("r3") = tz;
+
+ asm ("svc 0\n" : "+d" (r2) : "d" (r1), "d" (r3) : "cc", "memory");
+ return r2;
+}
+
+static __always_inline
+long clock_getres_fallback(clockid_t clkid, struct __kernel_timespec *ts)
+{
+ register unsigned long r1 __asm__("r1") = __NR_clock_getres;
+ register unsigned long r2 __asm__("r2") = (unsigned long)clkid;
+ register void *r3 __asm__("r3") = ts;
+
+ asm ("svc 0\n" : "+d" (r2) : "d" (r1), "d" (r3) : "cc", "memory");
+ return r2;
+}
+
+#endif
diff --git a/arch/s390/include/asm/vdso/processor.h b/arch/s390/include/asm/vdso/processor.h
new file mode 100644
index 0000000..cfcc3e1
--- /dev/null
+++ b/arch/s390/include/asm/vdso/processor.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __ASM_VDSO_PROCESSOR_H
+#define __ASM_VDSO_PROCESSOR_H
+
+#define cpu_relax() barrier()
+
+#endif /* __ASM_VDSO_PROCESSOR_H */
diff --git a/arch/s390/include/asm/vdso/vsyscall.h b/arch/s390/include/asm/vdso/vsyscall.h
new file mode 100644
index 0000000..6c67c08
--- /dev/null
+++ b/arch/s390/include/asm/vdso/vsyscall.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_VDSO_VSYSCALL_H
+#define __ASM_VDSO_VSYSCALL_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/hrtimer.h>
+#include <linux/timekeeper_internal.h>
+#include <vdso/datapage.h>
+#include <asm/vdso.h>
+/*
+ * Update the vDSO data page to keep in sync with kernel timekeeping.
+ */
+
+static __always_inline struct vdso_data *__s390_get_k_vdso_data(void)
+{
+ return vdso_data;
+}
+#define __arch_get_k_vdso_data __s390_get_k_vdso_data
+
+/* The asm-generic header needs to be included after the definitions above */
+#include <asm-generic/vdso/vsyscall.h>
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_VDSO_VSYSCALL_H */
diff --git a/arch/s390/include/asm/vmalloc.h b/arch/s390/include/asm/vmalloc.h
new file mode 100644
index 0000000..3ba3a6b
--- /dev/null
+++ b/arch/s390/include/asm/vmalloc.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_S390_VMALLOC_H
+#define _ASM_S390_VMALLOC_H
+
+#endif /* _ASM_S390_VMALLOC_H */
diff --git a/arch/s390/include/asm/vtimer.h b/arch/s390/include/asm/vtimer.h
index 42f707d..e601ada 100644
--- a/arch/s390/include/asm/vtimer.h
+++ b/arch/s390/include/asm/vtimer.h
@@ -25,8 +25,6 @@
extern int mod_virt_timer(struct vtimer_list *timer, u64 expires);
extern int mod_virt_timer_periodic(struct vtimer_list *timer, u64 expires);
extern int del_virt_timer(struct vtimer_list *timer);
-
-extern void init_cpu_vtimer(void);
extern void vtime_init(void);
#endif /* _ASM_S390_TIMER_H */
diff --git a/arch/s390/include/uapi/asm/debug.h b/arch/s390/include/uapi/asm/debug.h
deleted file mode 100644
index c7c564d..0000000
--- a/arch/s390/include/uapi/asm/debug.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/*
- * S/390 debug facility
- *
- * Copyright IBM Corp. 1999, 2000
- */
-
-#ifndef _UAPIDEBUG_H
-#define _UAPIDEBUG_H
-
-#include <linux/fs.h>
-
-/* Note:
- * struct __debug_entry must be defined outside of #ifdef __KERNEL__
- * in order to allow a user program to analyze the 'raw'-view.
- */
-
-struct __debug_entry{
- union {
- struct {
- unsigned long long clock:52;
- unsigned long long exception:1;
- unsigned long long level:3;
- unsigned long long cpuid:8;
- } fields;
-
- unsigned long long stck;
- } id;
- void* caller;
-} __attribute__((packed));
-
-
-#define __DEBUG_FEATURE_VERSION 2 /* version of debug feature */
-
-#endif /* _UAPIDEBUG_H */
diff --git a/arch/s390/include/uapi/asm/ipcbuf.h b/arch/s390/include/uapi/asm/ipcbuf.h
index 5b1c4f4..1030cd1 100644
--- a/arch/s390/include/uapi/asm/ipcbuf.h
+++ b/arch/s390/include/uapi/asm/ipcbuf.h
@@ -2,6 +2,8 @@
#ifndef __S390_IPCBUF_H__
#define __S390_IPCBUF_H__
+#include <linux/posix_types.h>
+
/*
* The user_ipc_perm structure for S/390 architecture.
* Note extra padding because this structure is passed back and forth
diff --git a/arch/s390/include/uapi/asm/ipl.h b/arch/s390/include/uapi/asm/ipl.h
index 451ba7d..d1ecd5d 100644
--- a/arch/s390/include/uapi/asm/ipl.h
+++ b/arch/s390/include/uapi/asm/ipl.h
@@ -27,6 +27,7 @@
IPL_PBT_FCP = 0,
IPL_PBT_SCP_DATA = 1,
IPL_PBT_CCW = 2,
+ IPL_PBT_NVME = 4,
};
/* IPL Parameter Block 0 with common fields */
@@ -67,6 +68,30 @@
#define IPL_PB0_FCP_OPT_IPL 0x10
#define IPL_PB0_FCP_OPT_DUMP 0x20
+/* IPL Parameter Block 0 for NVMe */
+struct ipl_pb0_nvme {
+ __u32 len;
+ __u8 pbt;
+ __u8 reserved1[3];
+ __u8 loadparm[8];
+ __u8 reserved2[304];
+ __u8 opt;
+ __u8 reserved3[3];
+ __u32 fid;
+ __u8 reserved4[12];
+ __u32 nsid;
+ __u8 reserved5[4];
+ __u32 bootprog;
+ __u8 reserved6[12];
+ __u64 br_lba;
+ __u32 scp_data_len;
+ __u8 reserved7[260];
+ __u8 scp_data[];
+} __packed;
+
+#define IPL_PB0_NVME_OPT_IPL 0x10
+#define IPL_PB0_NVME_OPT_DUMP 0x20
+
/* IPL Parameter Block 0 for CCW */
struct ipl_pb0_ccw {
__u32 len;
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index 436ec76..7a6b148 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -231,11 +231,13 @@
#define KVM_SYNC_GSCB (1UL << 9)
#define KVM_SYNC_BPBC (1UL << 10)
#define KVM_SYNC_ETOKEN (1UL << 11)
+#define KVM_SYNC_DIAG318 (1UL << 12)
#define KVM_SYNC_S390_VALID_FIELDS \
(KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \
KVM_SYNC_ARCH0 | KVM_SYNC_PFAULT | KVM_SYNC_VRS | KVM_SYNC_RICCB | \
- KVM_SYNC_FPRS | KVM_SYNC_GSCB | KVM_SYNC_BPBC | KVM_SYNC_ETOKEN)
+ KVM_SYNC_FPRS | KVM_SYNC_GSCB | KVM_SYNC_BPBC | KVM_SYNC_ETOKEN | \
+ KVM_SYNC_DIAG318)
/* length and alignment of the sdnx as a power of two */
#define SDNXC 8
@@ -264,7 +266,8 @@
__u8 reserved2 : 7;
__u8 padding1[51]; /* riccb needs to be 64byte aligned */
__u8 riccb[64]; /* runtime instrumentation controls block */
- __u8 padding2[192]; /* sdnx needs to be 256byte aligned */
+ __u64 diag318; /* diagnose 0x318 info */
+ __u8 padding2[184]; /* sdnx needs to be 256byte aligned */
union {
__u8 sdnx[SDNXL]; /* state description annex */
struct {
diff --git a/arch/s390/include/uapi/asm/pkey.h b/arch/s390/include/uapi/asm/pkey.h
index e22f072..7349e96 100644
--- a/arch/s390/include/uapi/asm/pkey.h
+++ b/arch/s390/include/uapi/asm/pkey.h
@@ -25,20 +25,26 @@
#define MAXPROTKEYSIZE 64 /* a protected key blob may be up to 64 bytes */
#define MAXCLRKEYSIZE 32 /* a clear key value may be up to 32 bytes */
#define MAXAESCIPHERKEYSIZE 136 /* our aes cipher keys have always 136 bytes */
+#define MINEP11AESKEYBLOBSIZE 256 /* min EP11 AES key blob size */
+#define MAXEP11AESKEYBLOBSIZE 320 /* max EP11 AES key blob size */
-/* Minimum and maximum size of a key blob */
+/* Minimum size of a key blob */
#define MINKEYBLOBSIZE SECKEYBLOBSIZE
-#define MAXKEYBLOBSIZE MAXAESCIPHERKEYSIZE
/* defines for the type field within the pkey_protkey struct */
#define PKEY_KEYTYPE_AES_128 1
#define PKEY_KEYTYPE_AES_192 2
#define PKEY_KEYTYPE_AES_256 3
+#define PKEY_KEYTYPE_ECC 4
/* the newer ioctls use a pkey_key_type enum for type information */
enum pkey_key_type {
PKEY_TYPE_CCA_DATA = (__u32) 1,
PKEY_TYPE_CCA_CIPHER = (__u32) 2,
+ PKEY_TYPE_EP11 = (__u32) 3,
+ PKEY_TYPE_CCA_ECC = (__u32) 0x1f,
+ PKEY_TYPE_EP11_AES = (__u32) 6,
+ PKEY_TYPE_EP11_ECC = (__u32) 7,
};
/* the newer ioctls use a pkey_key_size enum for key size information */
@@ -87,6 +93,20 @@
};
/*
+ * EP11 key blobs of type PKEY_TYPE_EP11_AES and PKEY_TYPE_EP11_ECC
+ * are ep11 blobs prepended by this header:
+ */
+struct ep11kblob_header {
+ __u8 type; /* always 0x00 */
+ __u8 hver; /* header version, currently needs to be 0x00 */
+ __u16 len; /* total length in bytes (including this header) */
+ __u8 version; /* PKEY_TYPE_EP11_AES or PKEY_TYPE_EP11_ECC */
+ __u8 res0; /* unused */
+ __u16 bitlen; /* clear key bit len, 0 for unknown */
+ __u8 res1[8]; /* unused */
+} __packed;
+
+/*
* Generate CCA AES secure key.
*/
struct pkey_genseck {
@@ -200,7 +220,7 @@
/*
* Generate secure key, version 2.
- * Generate either a CCA AES secure key or a CCA AES cipher key.
+ * Generate CCA AES secure key, CCA AES cipher key or EP11 AES secure key.
* There needs to be a list of apqns given with at least one entry in there.
* All apqns in the list need to be exact apqns, 0xFFFF as ANY card or domain
* is not supported. The implementation walks through the list of apqns and
@@ -210,10 +230,13 @@
* (return -1 with errno ENODEV). You may use the PKEY_APQNS4KT ioctl to
* generate a list of apqns based on the key type to generate.
* The keygenflags argument is passed to the low level generation functions
- * individual for the key type and has a key type specific meaning. Currently
- * only CCA AES cipher keys react to this parameter: Use one or more of the
- * PKEY_KEYGEN_* flags to widen the export possibilities. By default a cipher
- * key is only exportable for CPACF (PKEY_KEYGEN_XPRT_CPAC).
+ * individual for the key type and has a key type specific meaning. When
+ * generating CCA cipher keys you can use one or more of the PKEY_KEYGEN_*
+ * flags to widen the export possibilities. By default a cipher key is
+ * only exportable for CPACF (PKEY_KEYGEN_XPRT_CPAC).
+ * The keygenflag argument for generating an EP11 AES key should either be 0
+ * to use the defaults which are XCP_BLOB_ENCRYPT, XCP_BLOB_DECRYPT and
+ * XCP_BLOB_PROTKEY_EXTRACTABLE or a valid combination of XCP_BLOB_* flags.
*/
struct pkey_genseck2 {
struct pkey_apqn __user *apqns; /* in: ptr to list of apqn targets*/
@@ -229,8 +252,8 @@
/*
* Generate secure key from clear key value, version 2.
- * Construct a CCA AES secure key or CCA AES cipher key from a given clear key
- * value.
+ * Construct an CCA AES secure key, CCA AES cipher key or EP11 AES secure
+ * key from a given clear key value.
* There needs to be a list of apqns given with at least one entry in there.
* All apqns in the list need to be exact apqns, 0xFFFF as ANY card or domain
* is not supported. The implementation walks through the list of apqns and
@@ -240,10 +263,13 @@
* (return -1 with errno ENODEV). You may use the PKEY_APQNS4KT ioctl to
* generate a list of apqns based on the key type to generate.
* The keygenflags argument is passed to the low level generation functions
- * individual for the key type and has a key type specific meaning. Currently
- * only CCA AES cipher keys react to this parameter: Use one or more of the
- * PKEY_KEYGEN_* flags to widen the export possibilities. By default a cipher
- * key is only exportable for CPACF (PKEY_KEYGEN_XPRT_CPAC).
+ * individual for the key type and has a key type specific meaning. When
+ * generating CCA cipher keys you can use one or more of the PKEY_KEYGEN_*
+ * flags to widen the export possibilities. By default a cipher key is
+ * only exportable for CPACF (PKEY_KEYGEN_XPRT_CPAC).
+ * The keygenflag argument for generating an EP11 AES key should either be 0
+ * to use the defaults which are XCP_BLOB_ENCRYPT, XCP_BLOB_DECRYPT and
+ * XCP_BLOB_PROTKEY_EXTRACTABLE or a valid combination of XCP_BLOB_* flags.
*/
struct pkey_clr2seck2 {
struct pkey_apqn __user *apqns; /* in: ptr to list of apqn targets */
@@ -266,14 +292,19 @@
* with one apqn able to handle this key.
* The function also checks for the master key verification patterns
* of the key matching to the current or alternate mkvp of the apqn.
- * Currently CCA AES secure keys and CCA AES cipher keys are supported.
- * The flags field is updated with some additional info about the apqn mkvp
+ * For CCA AES secure keys and CCA AES cipher keys this means to check
+ * the key's mkvp against the current or old mkvp of the apqns. The flags
+ * field is updated with some additional info about the apqn mkvp
* match: If the current mkvp matches to the key's mkvp then the
* PKEY_FLAGS_MATCH_CUR_MKVP bit is set, if the alternate mkvp matches to
* the key's mkvp the PKEY_FLAGS_MATCH_ALT_MKVP is set. For CCA keys the
* alternate mkvp is the old master key verification pattern.
* CCA AES secure keys are also checked to have the CPACF export allowed
* bit enabled (XPRTCPAC) in the kmf1 field.
+ * EP11 keys are also supported and the wkvp of the key is checked against
+ * the current wkvp of the apqns. There is no alternate for this type of
+ * key and so on a match the flag PKEY_FLAGS_MATCH_CUR_MKVP always is set.
+ * EP11 keys are also checked to have XCP_BLOB_PROTKEY_EXTRACTABLE set.
* The ioctl returns 0 as long as the given or found apqn matches to
* matches with the current or alternate mkvp to the key's mkvp. If the given
* apqn does not match or there is no such apqn found, -1 with errno
@@ -291,7 +322,7 @@
#define PKEY_VERIFYKEY2 _IOWR(PKEY_IOCTL_MAGIC, 0x17, struct pkey_verifykey2)
/*
- * Transform a key blob (of any type) into a protected key, version 2.
+ * Transform a key blob into a protected key, version 2.
* There needs to be a list of apqns given with at least one entry in there.
* All apqns in the list need to be exact apqns, 0xFFFF as ANY card or domain
* is not supported. The implementation walks through the list of apqns and
@@ -300,6 +331,8 @@
* list is tried until success (return 0) or the end of the list is reached
* (return -1 with errno ENODEV). You may use the PKEY_APQNS4K ioctl to
* generate a list of apqns based on the key.
+ * Deriving ECC protected keys from ECC secure keys is not supported with
+ * this ioctl, use PKEY_KBLOB2PROTK3 for this purpose.
*/
struct pkey_kblob2pkey2 {
__u8 __user *key; /* in: pointer to key blob */
@@ -313,16 +346,20 @@
/*
* Build a list of APQNs based on a key blob given.
* Is able to find out which type of secure key is given (CCA AES secure
- * key or CCA AES cipher key) and tries to find all matching crypto cards
- * based on the MKVP and maybe other criterias (like CCA AES cipher keys
- * need a CEX5C or higher). The list of APQNs is further filtered by the key's
- * mkvp which needs to match to either the current mkvp or the alternate mkvp
- * (which is the old mkvp on CCA adapters) of the apqns. The flags argument may
- * be used to limit the matching apqns. If the PKEY_FLAGS_MATCH_CUR_MKVP is
- * given, only the current mkvp of each apqn is compared. Likewise with the
- * PKEY_FLAGS_MATCH_ALT_MKVP. If both are given, it is assumed to
- * return apqns where either the current or the alternate mkvp
- * matches. At least one of the matching flags needs to be given.
+ * key, CCA AES cipher key, CCA ECC private key, EP11 AES key, EP11 ECC private
+ * key) and tries to find all matching crypto cards based on the MKVP and maybe
+ * other criterias (like CCA AES cipher keys need a CEX5C or higher, EP11 keys
+ * with BLOB_PKEY_EXTRACTABLE need a CEX7 and EP11 api version 4). The list of
+ * APQNs is further filtered by the key's mkvp which needs to match to either
+ * the current mkvp (CCA and EP11) or the alternate mkvp (old mkvp, CCA adapters
+ * only) of the apqns. The flags argument may be used to limit the matching
+ * apqns. If the PKEY_FLAGS_MATCH_CUR_MKVP is given, only the current mkvp of
+ * each apqn is compared. Likewise with the PKEY_FLAGS_MATCH_ALT_MKVP. If both
+ * are given, it is assumed to return apqns where either the current or the
+ * alternate mkvp matches. At least one of the matching flags needs to be given.
+ * The flags argument for EP11 keys has no further action and is currently
+ * ignored (but needs to be given as PKEY_FLAGS_MATCH_CUR_MKVP) as there is only
+ * the wkvp from the key to match against the apqn's wkvp.
* The list of matching apqns is stored into the space given by the apqns
* argument and the number of stored entries goes into apqn_entries. If the list
* is empty (apqn_entries is 0) the apqn_entries field is updated to the number
@@ -348,14 +385,19 @@
* restrict the list by given master key verification patterns.
* For different key types there may be different ways to match the
* master key verification patterns. For CCA keys (CCA data key and CCA
- * cipher key) the first 8 bytes of cur_mkvp refer to the current mkvp value
- * of the apqn and the first 8 bytes of the alt_mkvp refer to the old mkvp.
- * The flags argument controls if the apqns current and/or alternate mkvp
+ * cipher key) the first 8 bytes of cur_mkvp refer to the current AES mkvp value
+ * of the apqn and the first 8 bytes of the alt_mkvp refer to the old AES mkvp.
+ * For CCA ECC keys it is similar but the match is against the APKA current/old
+ * mkvp. The flags argument controls if the apqns current and/or alternate mkvp
* should match. If the PKEY_FLAGS_MATCH_CUR_MKVP is given, only the current
* mkvp of each apqn is compared. Likewise with the PKEY_FLAGS_MATCH_ALT_MKVP.
* If both are given, it is assumed to return apqns where either the
* current or the alternate mkvp matches. If no match flag is given
* (flags is 0) the mkvp values are ignored for the match process.
+ * For EP11 keys there is only the current wkvp. So if the apqns should also
+ * match to a given wkvp, then the PKEY_FLAGS_MATCH_CUR_MKVP flag should be
+ * set. The wkvp value is 32 bytes but only the leftmost 16 bytes are compared
+ * against the leftmost 16 byte of the wkvp of the apqn.
* The list of matching apqns is stored into the space given by the apqns
* argument and the number of stored entries goes into apqn_entries. If the list
* is empty (apqn_entries is 0) the apqn_entries field is updated to the number
@@ -376,4 +418,30 @@
};
#define PKEY_APQNS4KT _IOWR(PKEY_IOCTL_MAGIC, 0x1C, struct pkey_apqns4keytype)
+/*
+ * Transform a key blob into a protected key, version 3.
+ * The difference to version 2 of this ioctl is that the protected key
+ * buffer is now explicitly and not within a struct pkey_protkey any more.
+ * So this ioctl is also able to handle EP11 and CCA ECC secure keys and
+ * provide ECC protected keys.
+ * There needs to be a list of apqns given with at least one entry in there.
+ * All apqns in the list need to be exact apqns, 0xFFFF as ANY card or domain
+ * is not supported. The implementation walks through the list of apqns and
+ * tries to send the request to each apqn without any further checking (like
+ * card type or online state). If the apqn fails, simple the next one in the
+ * list is tried until success (return 0) or the end of the list is reached
+ * (return -1 with errno ENODEV). You may use the PKEY_APQNS4K ioctl to
+ * generate a list of apqns based on the key.
+ */
+struct pkey_kblob2pkey3 {
+ __u8 __user *key; /* in: pointer to key blob */
+ __u32 keylen; /* in: key blob size */
+ struct pkey_apqn __user *apqns; /* in: ptr to list of apqn targets */
+ __u32 apqn_entries; /* in: # of apqn target list entries */
+ __u32 pkeytype; /* out: prot key type (enum pkey_key_type) */
+ __u32 pkeylen; /* in/out: size of pkey buffer/actual len of pkey */
+ __u8 __user *pkey; /* in: pkey blob buffer space ptr */
+};
+#define PKEY_KBLOB2PROTK3 _IOWR(PKEY_IOCTL_MAGIC, 0x1D, struct pkey_kblob2pkey3)
+
#endif /* _UAPI_PKEY_H */
diff --git a/arch/s390/include/uapi/asm/sie.h b/arch/s390/include/uapi/asm/sie.h
index 6ca1e68..ede3186 100644
--- a/arch/s390/include/uapi/asm/sie.h
+++ b/arch/s390/include/uapi/asm/sie.h
@@ -29,7 +29,7 @@
{ 0x13, "SIGP conditional emergency signal" }, \
{ 0x15, "SIGP sense running" }, \
{ 0x16, "SIGP set multithreading"}, \
- { 0x17, "SIGP store additional status ait address"}
+ { 0x17, "SIGP store additional status at address"}
#define icpt_prog_codes \
{ 0x0001, "Prog Operation" }, \
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index f9e5e1f..22fd202 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -36,12 +36,12 @@
* - 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;
+ __u8 __user *inputdata;
+ __u32 inputdatalength;
+ __u8 __user *outputdata;
+ __u32 outputdatalength;
+ __u8 __user *b_key;
+ __u8 __user *n_modulus;
};
/**
@@ -59,15 +59,15 @@
* - 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;
+ __u8 __user *inputdata;
+ __u32 inputdatalength;
+ __u8 __user *outputdata;
+ __u32 outputdatalength;
+ __u8 __user *bp_key;
+ __u8 __user *bq_key;
+ __u8 __user *np_prime;
+ __u8 __user *nq_prime;
+ __u8 __user *u_mult_inv;
};
/**
@@ -83,67 +83,67 @@
* key block
*/
struct 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 'address'*/
- 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 */
+ __u16 cprb_len; /* CPRB length 220 */
+ __u8 cprb_ver_id; /* CPRB version id. 0x02 */
+ __u8 pad_000[3]; /* Alignment pad bytes */
+ __u8 func_id[2]; /* function id 0x5432 */
+ __u8 cprb_flags[4]; /* Flags */
+ __u32 req_parml; /* request parameter buffer len */
+ __u32 req_datal; /* request data buffer */
+ __u32 rpl_msgbl; /* reply message block length */
+ __u32 rpld_parml; /* replied parameter block len */
+ __u32 rpl_datal; /* reply data block len */
+ __u32 rpld_datal; /* replied data block len */
+ __u32 req_extbl; /* request extension block len */
+ __u8 pad_001[4]; /* reserved */
+ __u32 rpld_extbl; /* replied extension block len */
+ __u8 padx000[16 - sizeof(__u8 *)];
+ __u8 __user *req_parmb; /* request parm block 'address' */
+ __u8 padx001[16 - sizeof(__u8 *)];
+ __u8 __user *req_datab; /* request data block 'address' */
+ __u8 padx002[16 - sizeof(__u8 *)];
+ __u8 __user *rpl_parmb; /* reply parm block 'address' */
+ __u8 padx003[16 - sizeof(__u8 *)];
+ __u8 __user *rpl_datab; /* reply data block 'address' */
+ __u8 padx004[16 - sizeof(__u8 *)];
+ __u8 __user *req_extb; /* request extension block 'addr'*/
+ __u8 padx005[16 - sizeof(__u8 *)];
+ __u8 __user *rpl_extb; /* reply extension block 'address'*/
+ __u16 ccp_rtcode; /* server return code */
+ __u16 ccp_rscode; /* server reason code */
+ __u32 mac_data_len; /* Mac Data Length */
+ __u8 logon_id[8]; /* Logon Identifier */
+ __u8 mac_value[8]; /* Mac Value */
+ __u8 mac_content_flgs; /* Mac content flag byte */
+ __u8 pad_002; /* Alignment */
+ __u16 domain; /* Domain */
+ __u8 usage_domain[4]; /* Usage domain */
+ __u8 cntrl_domain[4]; /* Control domain */
+ __u8 S390enf_mask[4]; /* S/390 enforcement mask */
+ __u8 pad_004[36]; /* reserved */
} __attribute__((packed));
/**
* 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;
+ __u16 agent_ID;
+ __u32 user_defined;
+ __u16 request_ID;
+ __u32 request_control_blk_length;
+ __u8 _padding1[16 - sizeof(__u8 *)];
+ __u8 __user *request_control_blk_addr;
+ __u32 request_data_length;
+ __u8 _padding2[16 - sizeof(__u8 *)];
+ __u8 __user *request_data_address;
+ __u32 reply_control_blk_length;
+ __u8 _padding3[16 - sizeof(__u8 *)];
+ __u8 __user *reply_control_blk_addr;
+ __u32 reply_data_length;
+ __u8 __padding4[16 - sizeof(__u8 *)];
+ __u8 __user *reply_data_addr;
+ __u16 priority_window;
+ __u32 status;
} __attribute__((packed));
/**
@@ -161,17 +161,17 @@
* @payload_len: Payload length
*/
struct ep11_cprb {
- __u16 cprb_len;
- unsigned char cprb_ver_id;
- unsigned char pad_000[2];
- unsigned char flags;
- unsigned char func_id[2];
- __u32 source_id;
- __u32 target_id;
- __u32 ret_code;
- __u32 reserved1;
- __u32 reserved2;
- __u32 payload_len;
+ __u16 cprb_len;
+ __u8 cprb_ver_id;
+ __u8 pad_000[2];
+ __u8 flags;
+ __u8 func_id[2];
+ __u32 source_id;
+ __u32 target_id;
+ __u32 ret_code;
+ __u32 reserved1;
+ __u32 reserved2;
+ __u32 payload_len;
} __attribute__((packed));
/**
@@ -197,13 +197,13 @@
*/
struct ep11_urb {
__u16 targets_num;
- __u64 targets;
+ __u8 __user *targets;
__u64 weight;
__u64 req_no;
__u64 req_len;
- __u64 req;
+ __u8 __user *req;
__u64 resp_len;
- __u64 resp;
+ __u8 __user *resp;
} __attribute__((packed));
/**
@@ -237,7 +237,9 @@
struct zcrypt_device_status_ext device[MAX_ZDEV_ENTRIES_EXT];
};
-#define AUTOSELECT 0xFFFFFFFF
+#define AUTOSELECT 0xFFFFFFFF
+#define AUTOSEL_AP ((__u16) 0xFFFF)
+#define AUTOSEL_DOM ((__u16) 0xFFFF)
#define ZCRYPT_IOCTL_MAGIC 'z'