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-rw-r--r--arch/s390/Makefile3
-rw-r--r--arch/s390/appldata/appldata_net_sum.c3
-rw-r--r--arch/s390/crypto/Makefile2
-rw-r--r--arch/s390/crypto/crypto_des.h2
-rw-r--r--arch/s390/crypto/des_s390.c238
-rw-r--r--arch/s390/include/asm/kvm_host.h5
-rw-r--r--arch/s390/include/asm/qdio.h6
-rw-r--r--arch/s390/kernel/entry.S12
-rw-r--r--arch/s390/kernel/entry64.S12
-rw-r--r--arch/s390/kernel/time.c18
-rw-r--r--arch/s390/kvm/intercept.c2
-rw-r--r--arch/s390/kvm/kvm-s390.c64
-rw-r--r--arch/s390/kvm/kvm-s390.h2
13 files changed, 89 insertions, 280 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 30c5f01f93b..0c9e6c6d2a6 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -24,7 +24,8 @@ CHECKFLAGS += -D__s390__ -msize-long
else
LD_BFD := elf64-s390
LDFLAGS := -m elf64_s390
-MODFLAGS += -fpic -D__PIC__
+KBUILD_AFLAGS_MODULE += -fpic -D__PIC__
+KBUILD_CFLAGS_MODULE += -fpic -D__PIC__
KBUILD_CFLAGS += -m64
KBUILD_AFLAGS += -m64
UTS_MACHINE := s390x
diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c
index 9a9586f4103..f02e89ce4df 100644
--- a/arch/s390/appldata/appldata_net_sum.c
+++ b/arch/s390/appldata/appldata_net_sum.c
@@ -85,7 +85,8 @@ static void appldata_get_net_sum_data(void *data)
rcu_read_lock();
for_each_netdev_rcu(&init_net, dev) {
- const struct net_device_stats *stats = dev_get_stats(dev);
+ struct rtnl_link_stats64 temp;
+ const struct net_device_stats *stats = dev_get_stats(dev, &temp);
rx_packets += stats->rx_packets;
tx_packets += stats->tx_packets;
diff --git a/arch/s390/crypto/Makefile b/arch/s390/crypto/Makefile
index 6a1157fa4f9..1cf81d77c5a 100644
--- a/arch/s390/crypto/Makefile
+++ b/arch/s390/crypto/Makefile
@@ -5,6 +5,6 @@
obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_SHA512_S390) += sha512_s390.o sha_common.o
-obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o des_check_key.o
+obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o
obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o
obj-$(CONFIG_S390_PRNG) += prng.o
diff --git a/arch/s390/crypto/crypto_des.h b/arch/s390/crypto/crypto_des.h
index c964b64111d..6210457ceeb 100644
--- a/arch/s390/crypto/crypto_des.h
+++ b/arch/s390/crypto/crypto_des.h
@@ -15,4 +15,4 @@
extern int crypto_des_check_key(const u8*, unsigned int, u32*);
-#endif //__CRYPTO_DES_H__
+#endif /*__CRYPTO_DES_H__*/
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index 2bc479ab3a6..cc542011839 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -14,32 +14,21 @@
*
*/
-#include <crypto/algapi.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/crypto.h>
+#include <crypto/algapi.h>
+#include <crypto/des.h>
#include "crypt_s390.h"
-#include "crypto_des.h"
-
-#define DES_BLOCK_SIZE 8
-#define DES_KEY_SIZE 8
-
-#define DES3_128_KEY_SIZE (2 * DES_KEY_SIZE)
-#define DES3_128_BLOCK_SIZE DES_BLOCK_SIZE
#define DES3_192_KEY_SIZE (3 * DES_KEY_SIZE)
-#define DES3_192_BLOCK_SIZE DES_BLOCK_SIZE
struct crypt_s390_des_ctx {
u8 iv[DES_BLOCK_SIZE];
u8 key[DES_KEY_SIZE];
};
-struct crypt_s390_des3_128_ctx {
- u8 iv[DES_BLOCK_SIZE];
- u8 key[DES3_128_KEY_SIZE];
-};
-
struct crypt_s390_des3_192_ctx {
u8 iv[DES_BLOCK_SIZE];
u8 key[DES3_192_KEY_SIZE];
@@ -50,13 +39,16 @@ static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
{
struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
u32 *flags = &tfm->crt_flags;
- int ret;
+ u32 tmp[DES_EXPKEY_WORDS];
- /* test if key is valid (not a weak key) */
- ret = crypto_des_check_key(key, keylen, flags);
- if (ret == 0)
- memcpy(dctx->key, key, keylen);
- return ret;
+ /* check for weak keys */
+ if (!des_ekey(tmp, key) && (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
+ *flags |= CRYPTO_TFM_RES_WEAK_KEY;
+ return -EINVAL;
+ }
+
+ memcpy(dctx->key, key, keylen);
+ return 0;
}
static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
@@ -237,165 +229,6 @@ static struct crypto_alg cbc_des_alg = {
* complementation keys. Any weakness is obviated by the use of
* multiple keys.
*
- * However, if the two independent 64-bit keys are equal,
- * then the DES3 operation is simply the same as DES.
- * Implementers MUST reject keys that exhibit this property.
- *
- */
-static int des3_128_setkey(struct crypto_tfm *tfm, const u8 *key,
- unsigned int keylen)
-{
- int i, ret;
- struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm);
- const u8 *temp_key = key;
- u32 *flags = &tfm->crt_flags;
-
- if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE)) &&
- (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
- *flags |= CRYPTO_TFM_RES_WEAK_KEY;
- return -EINVAL;
- }
- for (i = 0; i < 2; i++, temp_key += DES_KEY_SIZE) {
- ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
- if (ret < 0)
- return ret;
- }
- memcpy(dctx->key, key, keylen);
- return 0;
-}
-
-static void des3_128_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
- struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm);
-
- crypt_s390_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src,
- DES3_128_BLOCK_SIZE);
-}
-
-static void des3_128_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
- struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm);
-
- crypt_s390_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src,
- DES3_128_BLOCK_SIZE);
-}
-
-static struct crypto_alg des3_128_alg = {
- .cra_name = "des3_ede128",
- .cra_driver_name = "des3_ede128-s390",
- .cra_priority = CRYPT_S390_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
- .cra_blocksize = DES3_128_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list),
- .cra_u = {
- .cipher = {
- .cia_min_keysize = DES3_128_KEY_SIZE,
- .cia_max_keysize = DES3_128_KEY_SIZE,
- .cia_setkey = des3_128_setkey,
- .cia_encrypt = des3_128_encrypt,
- .cia_decrypt = des3_128_decrypt,
- }
- }
-};
-
-static int ecb_des3_128_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
-{
- struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- return ecb_desall_crypt(desc, KM_TDEA_128_ENCRYPT, sctx->key, &walk);
-}
-
-static int ecb_des3_128_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
-{
- struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- return ecb_desall_crypt(desc, KM_TDEA_128_DECRYPT, sctx->key, &walk);
-}
-
-static struct crypto_alg ecb_des3_128_alg = {
- .cra_name = "ecb(des3_ede128)",
- .cra_driver_name = "ecb-des3_ede128-s390",
- .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = DES3_128_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(
- ecb_des3_128_alg.cra_list),
- .cra_u = {
- .blkcipher = {
- .min_keysize = DES3_128_KEY_SIZE,
- .max_keysize = DES3_128_KEY_SIZE,
- .setkey = des3_128_setkey,
- .encrypt = ecb_des3_128_encrypt,
- .decrypt = ecb_des3_128_decrypt,
- }
- }
-};
-
-static int cbc_des3_128_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
-{
- struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- return cbc_desall_crypt(desc, KMC_TDEA_128_ENCRYPT, sctx->iv, &walk);
-}
-
-static int cbc_des3_128_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
-{
- struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
- struct blkcipher_walk walk;
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- return cbc_desall_crypt(desc, KMC_TDEA_128_DECRYPT, sctx->iv, &walk);
-}
-
-static struct crypto_alg cbc_des3_128_alg = {
- .cra_name = "cbc(des3_ede128)",
- .cra_driver_name = "cbc-des3_ede128-s390",
- .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = DES3_128_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(
- cbc_des3_128_alg.cra_list),
- .cra_u = {
- .blkcipher = {
- .min_keysize = DES3_128_KEY_SIZE,
- .max_keysize = DES3_128_KEY_SIZE,
- .ivsize = DES3_128_BLOCK_SIZE,
- .setkey = des3_128_setkey,
- .encrypt = cbc_des3_128_encrypt,
- .decrypt = cbc_des3_128_decrypt,
- }
- }
-};
-
-/*
- * RFC2451:
- *
- * For DES-EDE3, there is no known need to reject weak or
- * complementation keys. Any weakness is obviated by the use of
- * multiple keys.
- *
* However, if the first two or last two independent 64-bit keys are
* equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the
* same as DES. Implementers MUST reject keys that exhibit this
@@ -405,9 +238,7 @@ static struct crypto_alg cbc_des3_128_alg = {
static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen)
{
- int i, ret;
struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
- const u8 *temp_key = key;
u32 *flags = &tfm->crt_flags;
if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
@@ -417,11 +248,6 @@ static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
*flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
- for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) {
- ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
- if (ret < 0)
- return ret;
- }
memcpy(dctx->key, key, keylen);
return 0;
}
@@ -431,7 +257,7 @@ static void des3_192_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src,
- DES3_192_BLOCK_SIZE);
+ DES_BLOCK_SIZE);
}
static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
@@ -439,7 +265,7 @@ static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src,
- DES3_192_BLOCK_SIZE);
+ DES_BLOCK_SIZE);
}
static struct crypto_alg des3_192_alg = {
@@ -447,7 +273,7 @@ static struct crypto_alg des3_192_alg = {
.cra_driver_name = "des3_ede-s390",
.cra_priority = CRYPT_S390_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
- .cra_blocksize = DES3_192_BLOCK_SIZE,
+ .cra_blocksize = DES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list),
@@ -489,7 +315,7 @@ static struct crypto_alg ecb_des3_192_alg = {
.cra_driver_name = "ecb-des3_ede-s390",
.cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = DES3_192_BLOCK_SIZE,
+ .cra_blocksize = DES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
.cra_type = &crypto_blkcipher_type,
.cra_module = THIS_MODULE,
@@ -533,7 +359,7 @@ static struct crypto_alg cbc_des3_192_alg = {
.cra_driver_name = "cbc-des3_ede-s390",
.cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = DES3_192_BLOCK_SIZE,
+ .cra_blocksize = DES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
.cra_type = &crypto_blkcipher_type,
.cra_module = THIS_MODULE,
@@ -543,7 +369,7 @@ static struct crypto_alg cbc_des3_192_alg = {
.blkcipher = {
.min_keysize = DES3_192_KEY_SIZE,
.max_keysize = DES3_192_KEY_SIZE,
- .ivsize = DES3_192_BLOCK_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
.setkey = des3_192_setkey,
.encrypt = cbc_des3_192_encrypt,
.decrypt = cbc_des3_192_decrypt,
@@ -553,10 +379,9 @@ static struct crypto_alg cbc_des3_192_alg = {
static int des_s390_init(void)
{
- int ret = 0;
+ int ret;
if (!crypt_s390_func_available(KM_DEA_ENCRYPT) ||
- !crypt_s390_func_available(KM_TDEA_128_ENCRYPT) ||
!crypt_s390_func_available(KM_TDEA_192_ENCRYPT))
return -EOPNOTSUPP;
@@ -569,17 +394,6 @@ static int des_s390_init(void)
ret = crypto_register_alg(&cbc_des_alg);
if (ret)
goto cbc_des_err;
-
- ret = crypto_register_alg(&des3_128_alg);
- if (ret)
- goto des3_128_err;
- ret = crypto_register_alg(&ecb_des3_128_alg);
- if (ret)
- goto ecb_des3_128_err;
- ret = crypto_register_alg(&cbc_des3_128_alg);
- if (ret)
- goto cbc_des3_128_err;
-
ret = crypto_register_alg(&des3_192_alg);
if (ret)
goto des3_192_err;
@@ -589,7 +403,6 @@ static int des_s390_init(void)
ret = crypto_register_alg(&cbc_des3_192_alg);
if (ret)
goto cbc_des3_192_err;
-
out:
return ret;
@@ -598,12 +411,6 @@ cbc_des3_192_err:
ecb_des3_192_err:
crypto_unregister_alg(&des3_192_alg);
des3_192_err:
- crypto_unregister_alg(&cbc_des3_128_alg);
-cbc_des3_128_err:
- crypto_unregister_alg(&ecb_des3_128_alg);
-ecb_des3_128_err:
- crypto_unregister_alg(&des3_128_alg);
-des3_128_err:
crypto_unregister_alg(&cbc_des_alg);
cbc_des_err:
crypto_unregister_alg(&ecb_des_alg);
@@ -613,21 +420,18 @@ des_err:
goto out;
}
-static void __exit des_s390_fini(void)
+static void __exit des_s390_exit(void)
{
crypto_unregister_alg(&cbc_des3_192_alg);
crypto_unregister_alg(&ecb_des3_192_alg);
crypto_unregister_alg(&des3_192_alg);
- crypto_unregister_alg(&cbc_des3_128_alg);
- crypto_unregister_alg(&ecb_des3_128_alg);
- crypto_unregister_alg(&des3_128_alg);
crypto_unregister_alg(&cbc_des_alg);
crypto_unregister_alg(&ecb_des_alg);
crypto_unregister_alg(&des_alg);
}
module_init(des_s390_init);
-module_exit(des_s390_fini);
+module_exit(des_s390_exit);
MODULE_ALIAS("des");
MODULE_ALIAS("des3_ede");
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 27605b62b98..cef7dbf69df 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -26,7 +26,7 @@
struct sca_entry {
atomic_t scn;
- __u64 reserved;
+ __u32 reserved;
__u64 sda;
__u64 reserved2[2];
} __attribute__((packed));
@@ -41,7 +41,8 @@ struct sca_block {
} __attribute__((packed));
#define KVM_NR_PAGE_SIZES 2
-#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + ((x) - 1) * 8)
+#define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 8)
+#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
#define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x))
#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1))
#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index 0eaae626027..2ba63027629 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -84,6 +84,7 @@ struct qdr {
#define QIB_AC_OUTBOUND_PCI_SUPPORTED 0x40
#define QIB_RFLAGS_ENABLE_QEBSM 0x80
+#define QIB_RFLAGS_ENABLE_DATA_DIV 0x02
/**
* struct qib - queue information block (QIB)
@@ -284,6 +285,9 @@ struct slsb {
u8 val[QDIO_MAX_BUFFERS_PER_Q];
} __attribute__ ((packed, aligned(256)));
+#define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010
+#define CHSC_AC2_DATA_DIV_ENABLED 0x0002
+
struct qdio_ssqd_desc {
u8 flags;
u8:8;
@@ -332,6 +336,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
* @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
* @input_slib_elements: pointer to no_input_qs * 128 words of data or NULL
* @output_slib_elements: pointer to no_output_qs * 128 words of data or NULL
* @no_input_qs: number of input queues
@@ -348,6 +353,7 @@ struct qdio_initialize {
unsigned char adapter_name[8];
unsigned int qib_param_field_format;
unsigned char *qib_param_field;
+ unsigned char qib_rflags;
unsigned long *input_slib_elements;
unsigned long *output_slib_elements;
unsigned int no_input_qs;
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index d5e3e600744..bea9ee37ac9 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -535,8 +535,16 @@ pgm_no_vtime2:
l %r3,__LC_PGM_ILC # load program interruption code
la %r8,0x7f
nr %r8,%r3 # clear per-event-bit and ilc
- be BASED(pgm_exit) # only per or per+check ?
- b BASED(pgm_do_call)
+ be BASED(pgm_exit2) # only per or per+check ?
+ l %r7,BASED(.Ljump_table)
+ sll %r8,2
+ l %r7,0(%r8,%r7) # load address of handler routine
+ la %r2,SP_PTREGS(%r15) # address of register-save area
+ basr %r14,%r7 # branch to interrupt-handler
+pgm_exit2:
+ TRACE_IRQS_ON
+ stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
+ b BASED(sysc_return)
#
# it was a single stepped SVC that is causing all the trouble
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index e7192e1cb67..8bccec15ea9 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -544,8 +544,16 @@ pgm_no_vtime2:
lgf %r3,__LC_PGM_ILC # load program interruption code
lghi %r8,0x7f
ngr %r8,%r3 # clear per-event-bit and ilc
- je pgm_exit
- j pgm_do_call
+ je pgm_exit2
+ sll %r8,3
+ larl %r1,pgm_check_table
+ lg %r1,0(%r8,%r1) # load address of handler routine
+ la %r2,SP_PTREGS(%r15) # address of register-save area
+ basr %r14,%r1 # branch to interrupt-handler
+pgm_exit2:
+ TRACE_IRQS_ON
+ stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
+ j sysc_return
#
# it was a single stepped SVC that is causing all the trouble
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index a2163c95eb9..15a7536452d 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -524,8 +524,11 @@ void etr_switch_to_local(void)
if (!etr_eacr.sl)
return;
disable_sync_clock(NULL);
- set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events);
- queue_work(time_sync_wq, &etr_work);
+ if (!test_and_set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events)) {
+ etr_eacr.es = etr_eacr.sl = 0;
+ etr_setr(&etr_eacr);
+ queue_work(time_sync_wq, &etr_work);
+ }
}
/*
@@ -539,8 +542,11 @@ void etr_sync_check(void)
if (!etr_eacr.es)
return;
disable_sync_clock(NULL);
- set_bit(ETR_EVENT_SYNC_CHECK, &etr_events);
- queue_work(time_sync_wq, &etr_work);
+ if (!test_and_set_bit(ETR_EVENT_SYNC_CHECK, &etr_events)) {
+ etr_eacr.es = 0;
+ etr_setr(&etr_eacr);
+ queue_work(time_sync_wq, &etr_work);
+ }
}
/*
@@ -902,7 +908,7 @@ static struct etr_eacr etr_handle_update(struct etr_aib *aib,
* Do not try to get the alternate port aib if the clock
* is not in sync yet.
*/
- if (!check_sync_clock())
+ if (!eacr.es || !check_sync_clock())
return eacr;
/*
@@ -1064,7 +1070,7 @@ static void etr_work_fn(struct work_struct *work)
* If the clock is in sync just update the eacr and return.
* If there is no valid sync port wait for a port update.
*/
- if (check_sync_clock() || sync_port < 0) {
+ if ((eacr.es && check_sync_clock()) || sync_port < 0) {
etr_update_eacr(eacr);
etr_set_tolec_timeout(now);
goto out_unlock;
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index 3ddc30895e3..f7b6df45d8b 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -135,7 +135,7 @@ static int handle_stop(struct kvm_vcpu *vcpu)
spin_lock_bh(&vcpu->arch.local_int.lock);
if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) {
vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP;
- rc = __kvm_s390_vcpu_store_status(vcpu,
+ rc = kvm_s390_vcpu_store_status(vcpu,
KVM_S390_STORE_STATUS_NOADDR);
if (rc >= 0)
rc = -EOPNOTSUPP;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index ae370581687..4fe68650535 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -207,6 +207,7 @@ out_nokvm:
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
{
VCPU_EVENT(vcpu, 3, "%s", "free cpu");
+ clear_bit(63 - vcpu->vcpu_id, (unsigned long *) &vcpu->kvm->arch.sca->mcn);
if (vcpu->kvm->arch.sca->cpu[vcpu->vcpu_id].sda ==
(__u64) vcpu->arch.sie_block)
vcpu->kvm->arch.sca->cpu[vcpu->vcpu_id].sda = 0;
@@ -296,7 +297,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
{
atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH);
set_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests);
- vcpu->arch.sie_block->ecb = 2;
+ vcpu->arch.sie_block->ecb = 6;
vcpu->arch.sie_block->eca = 0xC1002001U;
vcpu->arch.sie_block->fac = (int) (long) facilities;
hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
@@ -329,6 +330,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
kvm->arch.sca->cpu[id].sda = (__u64) vcpu->arch.sie_block;
vcpu->arch.sie_block->scaoh = (__u32)(((__u64)kvm->arch.sca) >> 32);
vcpu->arch.sie_block->scaol = (__u32)(__u64)kvm->arch.sca;
+ set_bit(63 - id, (unsigned long *) &kvm->arch.sca->mcn);
spin_lock_init(&vcpu->arch.local_int.lock);
INIT_LIST_HEAD(&vcpu->arch.local_int.list);
@@ -363,63 +365,49 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
static int kvm_arch_vcpu_ioctl_initial_reset(struct kvm_vcpu *vcpu)
{
- vcpu_load(vcpu);
kvm_s390_vcpu_initial_reset(vcpu);
- vcpu_put(vcpu);
return 0;
}
int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
- vcpu_load(vcpu);
memcpy(&vcpu->arch.guest_gprs, &regs->gprs, sizeof(regs->gprs));
- vcpu_put(vcpu);
return 0;
}
int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
- vcpu_load(vcpu);
memcpy(&regs->gprs, &vcpu->arch.guest_gprs, sizeof(regs->gprs));
- vcpu_put(vcpu);
return 0;
}
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
- vcpu_load(vcpu);
memcpy(&vcpu->arch.guest_acrs, &sregs->acrs, sizeof(sregs->acrs));
memcpy(&vcpu->arch.sie_block->gcr, &sregs->crs, sizeof(sregs->crs));
- vcpu_put(vcpu);
return 0;
}
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
- vcpu_load(vcpu);
memcpy(&sregs->acrs, &vcpu->arch.guest_acrs, sizeof(sregs->acrs));
memcpy(&sregs->crs, &vcpu->arch.sie_block->gcr, sizeof(sregs->crs));
- vcpu_put(vcpu);
return 0;
}
int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
- vcpu_load(vcpu);
memcpy(&vcpu->arch.guest_fpregs.fprs, &fpu->fprs, sizeof(fpu->fprs));
vcpu->arch.guest_fpregs.fpc = fpu->fpc;
- vcpu_put(vcpu);
return 0;
}
int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
- vcpu_load(vcpu);
memcpy(&fpu->fprs, &vcpu->arch.guest_fpregs.fprs, sizeof(fpu->fprs));
fpu->fpc = vcpu->arch.guest_fpregs.fpc;
- vcpu_put(vcpu);
return 0;
}
@@ -427,14 +415,12 @@ static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw)
{
int rc = 0;
- vcpu_load(vcpu);
if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING)
rc = -EBUSY;
else {
vcpu->run->psw_mask = psw.mask;
vcpu->run->psw_addr = psw.addr;
}
- vcpu_put(vcpu);
return rc;
}
@@ -498,8 +484,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
int rc;
sigset_t sigsaved;
- vcpu_load(vcpu);
-
rerun_vcpu:
if (vcpu->requests)
if (test_and_clear_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests))
@@ -568,8 +552,6 @@ rerun_vcpu:
if (vcpu->sigset_active)
sigprocmask(SIG_SETMASK, &sigsaved, NULL);
- vcpu_put(vcpu);
-
vcpu->stat.exit_userspace++;
return rc;
}
@@ -589,7 +571,7 @@ static int __guestcopy(struct kvm_vcpu *vcpu, u64 guestdest, const void *from,
* KVM_S390_STORE_STATUS_NOADDR: -> 0x1200 on 64 bit
* KVM_S390_STORE_STATUS_PREFIXED: -> prefix
*/
-int __kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr)
+int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr)
{
const unsigned char archmode = 1;
int prefix;
@@ -651,45 +633,42 @@ int __kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr)
return 0;
}
-static int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr)
-{
- int rc;
-
- vcpu_load(vcpu);
- rc = __kvm_s390_vcpu_store_status(vcpu, addr);
- vcpu_put(vcpu);
- return rc;
-}
-
long kvm_arch_vcpu_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
struct kvm_vcpu *vcpu = filp->private_data;
void __user *argp = (void __user *)arg;
+ long r;
switch (ioctl) {
case KVM_S390_INTERRUPT: {
struct kvm_s390_interrupt s390int;
+ r = -EFAULT;
if (copy_from_user(&s390int, argp, sizeof(s390int)))
- return -EFAULT;
- return kvm_s390_inject_vcpu(vcpu, &s390int);
+ break;
+ r = kvm_s390_inject_vcpu(vcpu, &s390int);
+ break;
}
case KVM_S390_STORE_STATUS:
- return kvm_s390_vcpu_store_status(vcpu, arg);
+ r = kvm_s390_vcpu_store_status(vcpu, arg);
+ break;
case KVM_S390_SET_INITIAL_PSW: {
psw_t psw;
+ r = -EFAULT;
if (copy_from_user(&psw, argp, sizeof(psw)))
- return -EFAULT;
- return kvm_arch_vcpu_ioctl_set_initial_psw(vcpu, psw);
+ break;
+ r = kvm_arch_vcpu_ioctl_set_initial_psw(vcpu, psw);
+ break;
}
case KVM_S390_INITIAL_RESET:
- return kvm_arch_vcpu_ioctl_initial_reset(vcpu);
+ r = kvm_arch_vcpu_ioctl_initial_reset(vcpu);
+ break;
default:
- ;
+ r = -EINVAL;
}
- return -EINVAL;
+ return r;
}
/* Section: memory related */
@@ -744,11 +723,6 @@ void kvm_arch_flush_shadow(struct kvm *kvm)
{
}
-gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
-{
- return gfn;
-}
-
static int __init kvm_s390_init(void)
{
int ret;
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index cfa9d177745..a7b7586626d 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -92,7 +92,7 @@ int kvm_s390_handle_b2(struct kvm_vcpu *vcpu);
int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu);
/* implemented in kvm-s390.c */
-int __kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu,
+int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu,
unsigned long addr);
/* implemented in diag.c */
int kvm_s390_handle_diag(struct kvm_vcpu *vcpu);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-30 13:19:32 +0000