diff options
Diffstat (limited to 'arch/s390')
39 files changed, 3031 insertions, 1266 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2f4f70c4dbb..b216ca659cd 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -460,8 +460,7 @@ config S390_HYPFS_FS information in an s390 hypervisor environment. config KEXEC - bool "kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "kexec system call" help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot @@ -487,8 +486,22 @@ source "drivers/net/Kconfig" source "fs/Kconfig" +menu "Instrumentation Support" + source "arch/s390/oprofile/Kconfig" +config KPROBES + bool "Kprobes (EXPERIMENTAL)" + depends on EXPERIMENTAL && MODULES + help + Kprobes allows you to trap at almost any kernel address and + execute a callback function. register_kprobe() establishes + a probepoint and specifies the callback. Kprobes is useful + for kernel debugging, non-intrusive instrumentation and testing. + If in doubt, say "N". + +endmenu + source "arch/s390/Kconfig.debug" source "security/Kconfig" diff --git a/arch/s390/appldata/appldata.h b/arch/s390/appldata/appldata.h index 71d65eb3065..0429481dea6 100644 --- a/arch/s390/appldata/appldata.h +++ b/arch/s390/appldata/appldata.h @@ -29,22 +29,6 @@ #define CTL_APPLDATA_NET_SUM 2125 #define CTL_APPLDATA_PROC 2126 -#ifndef CONFIG_64BIT - -#define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */ -#define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */ -#define APPLDATA_GEN_EVENT_RECORD 0x02 -#define APPLDATA_START_CONFIG_REC 0x03 - -#else - -#define APPLDATA_START_INTERVAL_REC 0x80 -#define APPLDATA_STOP_REC 0x81 -#define APPLDATA_GEN_EVENT_RECORD 0x82 -#define APPLDATA_START_CONFIG_REC 0x83 - -#endif /* CONFIG_64BIT */ - #define P_INFO(x...) printk(KERN_INFO MY_PRINT_NAME " info: " x) #define P_ERROR(x...) printk(KERN_ERR MY_PRINT_NAME " error: " x) #define P_WARNING(x...) printk(KERN_WARNING MY_PRINT_NAME " status: " x) diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index a0a94e0ef8d..b69ed742f98 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -14,20 +14,20 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/errno.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/smp.h> #include <linux/interrupt.h> #include <linux/proc_fs.h> #include <linux/page-flags.h> #include <linux/swap.h> #include <linux/pagemap.h> #include <linux/sysctl.h> -#include <asm/timer.h> -//#include <linux/kernel_stat.h> #include <linux/notifier.h> #include <linux/cpu.h> #include <linux/workqueue.h> +#include <asm/appldata.h> +#include <asm/timer.h> +#include <asm/uaccess.h> +#include <asm/io.h> +#include <asm/smp.h> #include "appldata.h" @@ -39,34 +39,6 @@ #define TOD_MICRO 0x01000 /* nr. of TOD clock units for 1 microsecond */ - -/* - * Parameter list for DIAGNOSE X'DC' - */ -#ifndef CONFIG_64BIT -struct appldata_parameter_list { - u16 diag; /* The DIAGNOSE code X'00DC' */ - u8 function; /* The function code for the DIAGNOSE */ - u8 parlist_length; /* Length of the parameter list */ - u32 product_id_addr; /* Address of the 16-byte product ID */ - u16 reserved; - u16 buffer_length; /* Length of the application data buffer */ - u32 buffer_addr; /* Address of the application data buffer */ -}; -#else -struct appldata_parameter_list { - u16 diag; - u8 function; - u8 parlist_length; - u32 unused01; - u16 reserved; - u16 buffer_length; - u32 unused02; - u64 product_id_addr; - u64 buffer_addr; -}; -#endif /* CONFIG_64BIT */ - /* * /proc entries (sysctl) */ @@ -181,46 +153,17 @@ static void appldata_work_fn(void *data) int appldata_diag(char record_nr, u16 function, unsigned long buffer, u16 length, char *mod_lvl) { - unsigned long ry; - struct appldata_product_id { - char prod_nr[7]; /* product nr. */ - char prod_fn[2]; /* product function */ - char record_nr; /* record nr. */ - char version_nr[2]; /* version */ - char release_nr[2]; /* release */ - char mod_lvl[2]; /* modification lvl. */ - } appldata_product_id = { - /* all strings are EBCDIC, record_nr is byte */ + struct appldata_product_id id = { .prod_nr = {0xD3, 0xC9, 0xD5, 0xE4, - 0xE7, 0xD2, 0xD9}, /* "LINUXKR" */ - .prod_fn = {0xD5, 0xD3}, /* "NL" */ + 0xE7, 0xD2, 0xD9}, /* "LINUXKR" */ + .prod_fn = 0xD5D3, /* "NL" */ .record_nr = record_nr, - .version_nr = {0xF2, 0xF6}, /* "26" */ - .release_nr = {0xF0, 0xF1}, /* "01" */ - .mod_lvl = {mod_lvl[0], mod_lvl[1]}, - }; - struct appldata_parameter_list appldata_parameter_list = { - .diag = 0xDC, - .function = function, - .parlist_length = - sizeof(appldata_parameter_list), - .buffer_length = length, - .product_id_addr = - (unsigned long) &appldata_product_id, - .buffer_addr = virt_to_phys((void *) buffer) + .version_nr = 0xF2F6, /* "26" */ + .release_nr = 0xF0F1, /* "01" */ + .mod_lvl = (mod_lvl[0]) << 8 | mod_lvl[1], }; - if (!MACHINE_IS_VM) - return -ENOSYS; - ry = -1; - asm volatile( - "diag %1,%0,0xDC\n\t" - : "=d" (ry) - : "d" (&appldata_parameter_list), - "m" (appldata_parameter_list), - "m" (appldata_product_id) - : "cc"); - return (int) ry; + return appldata_asm(&id, function, (void *) buffer, length); } /************************ timer, work, DIAG <END> ****************************/ diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c index 161acc5c8a1..76a15523ae9 100644 --- a/arch/s390/appldata/appldata_os.c +++ b/arch/s390/appldata/appldata_os.c @@ -16,6 +16,7 @@ #include <linux/kernel_stat.h> #include <linux/netdevice.h> #include <linux/sched.h> +#include <asm/appldata.h> #include <asm/smp.h> #include "appldata.h" diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 5713c7e5bd1..15c9eec0292 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -16,9 +16,9 @@ * */ +#include <crypto/algapi.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/crypto.h> #include "crypt_s390.h" #define AES_MIN_KEY_SIZE 16 @@ -34,13 +34,16 @@ int has_aes_256 = 0; struct s390_aes_ctx { u8 iv[AES_BLOCK_SIZE]; u8 key[AES_MAX_KEY_SIZE]; + long enc; + long dec; int key_len; }; static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len, u32 *flags) + unsigned int key_len) { struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); + u32 *flags = &tfm->crt_flags; switch (key_len) { case 16: @@ -110,133 +113,206 @@ static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) } } -static unsigned int aes_encrypt_ecb(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); +static struct crypto_alg aes_alg = { + .cra_name = "aes", + .cra_driver_name = "aes-s390", + .cra_priority = CRYPT_S390_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct s390_aes_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = AES_MIN_KEY_SIZE, + .cia_max_keysize = AES_MAX_KEY_SIZE, + .cia_setkey = aes_set_key, + .cia_encrypt = aes_encrypt, + .cia_decrypt = aes_decrypt, + } + } +}; + +static int ecb_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - switch (sctx->key_len) { + switch (key_len) { case 16: - ret = crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KM_AES_128_ENCRYPT; + sctx->dec = KM_AES_128_DECRYPT; break; case 24: - ret = crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KM_AES_192_ENCRYPT; + sctx->dec = KM_AES_192_DECRYPT; break; case 32: - ret = crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KM_AES_256_ENCRYPT; + sctx->dec = KM_AES_256_DECRYPT; break; } - return nbytes; + + return aes_set_key(tfm, in_key, key_len); } -static unsigned int aes_decrypt_ecb(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int ecb_aes_crypt(struct blkcipher_desc *desc, long func, void *param, + struct blkcipher_walk *walk) { - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + int ret = blkcipher_walk_virt(desc, walk); + unsigned int nbytes; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); + while ((nbytes = walk->nbytes)) { + /* only use complete blocks */ + unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); + u8 *out = walk->dst.virt.addr; + u8 *in = walk->src.virt.addr; - switch (sctx->key_len) { - case 16: - ret = crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 24: - ret = crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 32: - ret = crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; + ret = crypt_s390_km(func, param, out, in, n); + BUG_ON((ret < 0) || (ret != n)); + + nbytes &= AES_BLOCK_SIZE - 1; + ret = blkcipher_walk_done(desc, walk, nbytes); } - return nbytes; + + return ret; } -static unsigned int aes_encrypt_cbc(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int ecb_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) { - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); + blkcipher_walk_init(&walk, dst, src, nbytes); + return ecb_aes_crypt(desc, sctx->enc, sctx->key, &walk); +} - memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); - switch (sctx->key_len) { +static int ecb_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + + blkcipher_walk_init(&walk, dst, src, nbytes); + return ecb_aes_crypt(desc, sctx->dec, sctx->key, &walk); +} + +static struct crypto_alg ecb_aes_alg = { + .cra_name = "ecb(aes)", + .cra_driver_name = "ecb-aes-s390", + .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct s390_aes_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ecb_aes_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = ecb_aes_set_key, + .encrypt = ecb_aes_encrypt, + .decrypt = ecb_aes_decrypt, + } + } +}; + +static int cbc_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); + + switch (key_len) { case 16: - ret = crypt_s390_kmc(KMC_AES_128_ENCRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KMC_AES_128_ENCRYPT; + sctx->dec = KMC_AES_128_DECRYPT; break; case 24: - ret = crypt_s390_kmc(KMC_AES_192_ENCRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KMC_AES_192_ENCRYPT; + sctx->dec = KMC_AES_192_DECRYPT; break; case 32: - ret = crypt_s390_kmc(KMC_AES_256_ENCRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KMC_AES_256_ENCRYPT; + sctx->dec = KMC_AES_256_DECRYPT; break; } - memcpy(desc->info, &sctx->iv, AES_BLOCK_SIZE); - return nbytes; + return aes_set_key(tfm, in_key, key_len); } -static unsigned int aes_decrypt_cbc(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param, + struct blkcipher_walk *walk) { - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + int ret = blkcipher_walk_virt(desc, walk); + unsigned int nbytes = walk->nbytes; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); + if (!nbytes) + goto out; - memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); - switch (sctx->key_len) { - case 16: - ret = crypt_s390_kmc(KMC_AES_128_DECRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 24: - ret = crypt_s390_kmc(KMC_AES_192_DECRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 32: - ret = crypt_s390_kmc(KMC_AES_256_DECRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - } - return nbytes; + memcpy(param, walk->iv, AES_BLOCK_SIZE); + do { + /* only use complete blocks */ + unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); + u8 *out = walk->dst.virt.addr; + u8 *in = walk->src.virt.addr; + + ret = crypt_s390_kmc(func, param, out, in, n); + BUG_ON((ret < 0) || (ret != n)); + + nbytes &= AES_BLOCK_SIZE - 1; + ret = blkcipher_walk_done(desc, walk, nbytes); + } while ((nbytes = walk->nbytes)); + memcpy(walk->iv, param, AES_BLOCK_SIZE); + +out: + return ret; } +static int cbc_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; -static struct crypto_alg aes_alg = { - .cra_name = "aes", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + blkcipher_walk_init(&walk, dst, src, nbytes); + return cbc_aes_crypt(desc, sctx->enc, sctx->iv, &walk); +} + +static int cbc_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + + blkcipher_walk_init(&walk, dst, src, nbytes); + return cbc_aes_crypt(desc, sctx->dec, sctx->iv, &walk); +} + +static struct crypto_alg cbc_aes_alg = { + .cra_name = "cbc(aes)", + .cra_driver_name = "cbc-aes-s390", + .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct s390_aes_ctx), + .cra_type = &crypto_blkcipher_type, .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), + .cra_list = LIST_HEAD_INIT(cbc_aes_alg.cra_list), .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt, - .cia_encrypt_ecb = aes_encrypt_ecb, - .cia_decrypt_ecb = aes_decrypt_ecb, - .cia_encrypt_cbc = aes_encrypt_cbc, - .cia_decrypt_cbc = aes_decrypt_cbc, + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = cbc_aes_set_key, + .encrypt = cbc_aes_encrypt, + .decrypt = cbc_aes_decrypt, } } }; @@ -256,13 +332,40 @@ static int __init aes_init(void) return -ENOSYS; ret = crypto_register_alg(&aes_alg); - if (ret != 0) - printk(KERN_INFO "crypt_s390: aes_s390 couldn't be loaded.\n"); + if (ret != 0) { + printk(KERN_INFO "crypt_s390: aes-s390 couldn't be loaded.\n"); + goto aes_err; + } + + ret = crypto_register_alg(&ecb_aes_alg); + if (ret != 0) { + printk(KERN_INFO + "crypt_s390: ecb-aes-s390 couldn't be loaded.\n"); + goto ecb_aes_err; + } + + ret = crypto_register_alg(&cbc_aes_alg); + if (ret != 0) { + printk(KERN_INFO + "crypt_s390: cbc-aes-s390 couldn't be loaded.\n"); + goto cbc_aes_err; + } + +out: return ret; + +cbc_aes_err: + crypto_unregister_alg(&ecb_aes_alg); +ecb_aes_err: + crypto_unregister_alg(&aes_alg); +aes_err: + goto out; } static void __exit aes_fini(void) { + crypto_unregister_alg(&cbc_aes_alg); + crypto_unregister_alg(&ecb_aes_alg); crypto_unregister_alg(&aes_alg); } diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h index d1c259a7fe3..efd836c2e4a 100644 --- a/arch/s390/crypto/crypt_s390.h +++ b/arch/s390/crypto/crypt_s390.h @@ -20,6 +20,9 @@ #define CRYPT_S390_OP_MASK 0xFF00 #define CRYPT_S390_FUNC_MASK 0x00FF +#define CRYPT_S390_PRIORITY 300 +#define CRYPT_S390_COMPOSITE_PRIORITY 400 + /* s930 cryptographic operations */ enum crypt_s390_operations { CRYPT_S390_KM = 0x0100, diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index b3f7496a79b..2aba04852fe 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -13,9 +13,10 @@ * (at your option) any later version. * */ + +#include <crypto/algapi.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/crypto.h> #include "crypt_s390.h" #include "crypto_des.h" @@ -45,9 +46,10 @@ struct crypt_s390_des3_192_ctx { }; static int des_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen, u32 *flags) + unsigned int keylen) { struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm); + u32 *flags = &tfm->crt_flags; int ret; /* test if key is valid (not a weak key) */ @@ -71,85 +73,159 @@ static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) crypt_s390_km(KM_DEA_DECRYPT, dctx->key, out, in, DES_BLOCK_SIZE); } -static unsigned int des_encrypt_ecb(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static struct crypto_alg des_alg = { + .cra_name = "des", + .cra_driver_name = "des-s390", + .cra_priority = CRYPT_S390_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct crypt_s390_des_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(des_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = DES_KEY_SIZE, + .cia_max_keysize = DES_KEY_SIZE, + .cia_setkey = des_setkey, + .cia_encrypt = des_encrypt, + .cia_decrypt = des_decrypt, + } + } +}; + +static int ecb_desall_crypt(struct blkcipher_desc *desc, long func, + void *param, struct blkcipher_walk *walk) { - struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + int ret = blkcipher_walk_virt(desc, walk); + unsigned int nbytes; + + while ((nbytes = walk->nbytes)) { + /* only use complete blocks */ + unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1); + u8 *out = walk->dst.virt.addr; + u8 *in = walk->src.virt.addr; - /* only use complete blocks */ - nbytes &= ~(DES_BLOCK_SIZE - 1); - ret = crypt_s390_km(KM_DEA_ENCRYPT, sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + ret = crypt_s390_km(func, param, out, in, n); + BUG_ON((ret < 0) || (ret != n)); - return nbytes; + nbytes &= DES_BLOCK_SIZE - 1; + ret = blkcipher_walk_done(desc, walk, nbytes); + } + + return ret; } -static unsigned int des_decrypt_ecb(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int cbc_desall_crypt(struct blkcipher_desc *desc, long func, + void *param, struct blkcipher_walk *walk) { - struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + int ret = blkcipher_walk_virt(desc, walk); + unsigned int nbytes = walk->nbytes; + + if (!nbytes) + goto out; + + memcpy(param, walk->iv, DES_BLOCK_SIZE); + do { + /* only use complete blocks */ + unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1); + u8 *out = walk->dst.virt.addr; + u8 *in = walk->src.virt.addr; - /* only use complete blocks */ - nbytes &= ~(DES_BLOCK_SIZE - 1); - ret = crypt_s390_km(KM_DEA_DECRYPT, sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + ret = crypt_s390_kmc(func, param, out, in, n); + BUG_ON((ret < 0) || (ret != n)); - return nbytes; + nbytes &= DES_BLOCK_SIZE - 1; + ret = blkcipher_walk_done(desc, walk, nbytes); + } while ((nbytes = walk->nbytes)); + memcpy(walk->iv, param, DES_BLOCK_SIZE); + +out: + return ret; } -static unsigned int des_encrypt_cbc(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int ecb_des_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) { - struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; - /* only use complete blocks */ - nbytes &= ~(DES_BLOCK_SIZE - 1); + blkcipher_walk_init(&walk, dst, src, nbytes); + return ecb_desall_crypt(desc, KM_DEA_ENCRYPT, sctx->key, &walk); +} - memcpy(sctx->iv, desc->info, DES_BLOCK_SIZE); - ret = crypt_s390_kmc(KMC_DEA_ENCRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); +static int ecb_des_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; - memcpy(desc->info, sctx->iv, DES_BLOCK_SIZE); - return nbytes; + blkcipher_walk_init(&walk, dst, src, nbytes); + return ecb_desall_crypt(desc, KM_DEA_DECRYPT, sctx->key, &walk); } -static unsigned int des_decrypt_cbc(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static struct crypto_alg ecb_des_alg = { + .cra_name = "ecb(des)", + .cra_driver_name = "ecb-des-s390", + .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct crypt_s390_des_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ecb_des_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .setkey = des_setkey, + .encrypt = ecb_des_encrypt, + .decrypt = ecb_des_decrypt, + } + } +}; + +static int cbc_des_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) { - struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; - /* only use complete blocks */ - nbytes &= ~(DES_BLOCK_SIZE - 1); + blkcipher_walk_init(&walk, dst, src, nbytes); + return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, sctx->iv, &walk); +} - memcpy(&sctx->iv, desc->info, DES_BLOCK_SIZE); - ret = crypt_s390_kmc(KMC_DEA_DECRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); +static int cbc_des_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; - return nbytes; + blkcipher_walk_init(&walk, dst, src, nbytes); + return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, sctx->iv, &walk); } -static struct crypto_alg des_alg = { - .cra_name = "des", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, +static struct crypto_alg cbc_des_alg = { + .cra_name = "cbc(des)", + .cra_driver_name = "cbc-des-s390", + .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, .cra_blocksize = DES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypt_s390_des_ctx), + .cra_type = &crypto_blkcipher_type, .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(des_alg.cra_list), + .cra_list = LIST_HEAD_INIT(cbc_des_alg.cra_list), .cra_u = { - .cipher = { - .cia_min_keysize = DES_KEY_SIZE, - .cia_max_keysize = DES_KEY_SIZE, - .cia_setkey = des_setkey, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt, - .cia_encrypt_ecb = des_encrypt_ecb, - .cia_decrypt_ecb = des_decrypt_ecb, - .cia_encrypt_cbc = des_encrypt_cbc, - .cia_decrypt_cbc = des_decrypt_cbc, + .blkcipher = |