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module/crypto: include XTS info in json dump

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Oversight when XTS was added.

Fixes issue #1231

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: Iba0c875d2bbb055596b1a6e4c17c1efcd1640280
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1008
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
This commit is contained in:
paul luse 2020-02-25 21:47:33 +00:00 committed by Tomasz Zawadzki
parent a8bdd24bc2
commit 1fba97c9cc
1 changed files with 40 additions and 11 deletions
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51
module/bdev/crypto/vbdev_crypto.c
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@ -168,7 +168,10 @@ struct vbdev_crypto {
struct spdk_bdev_desc *base_desc; /* its descriptor we get from open */
struct spdk_bdev crypto_bdev; /* the crypto virtual bdev */
uint8_t *key; /* key per bdev */
uint8_t *key2; /* for XTS */
uint8_t *xts_key; /* key + key 2 */
char *drv_name; /* name of the crypto device driver */
char *cipher; /* cipher used */
struct rte_cryptodev_sym_session *session_encrypt; /* encryption session for this bdev */
struct rte_cryptodev_sym_session *session_decrypt; /* decryption session for this bdev */
struct rte_crypto_sym_xform cipher_xform; /* crypto control struct for this bdev */
@ -1199,6 +1202,8 @@ _device_unregister_cb(void *io_device)
rte_cryptodev_sym_session_free(crypto_bdev->session_encrypt);
free(crypto_bdev->drv_name);
free(crypto_bdev->key);
free(crypto_bdev->key2);
free(crypto_bdev->xts_key);
free(crypto_bdev->crypto_bdev.name);
free(crypto_bdev);
}
@ -1273,6 +1278,10 @@ vbdev_crypto_dump_info_json(void *ctx, struct spdk_json_write_ctx *w)
spdk_json_write_named_string(w, "name", spdk_bdev_get_name(&crypto_bdev->crypto_bdev));
spdk_json_write_named_string(w, "crypto_pmd", crypto_bdev->drv_name);
spdk_json_write_named_string(w, "key", crypto_bdev->key);
if (strcmp(crypto_bdev->cipher, AES_XTS) == 0) {
spdk_json_write_named_string(w, "key2", crypto_bdev->key);
}
spdk_json_write_named_string(w, "cipher", crypto_bdev->cipher);
spdk_json_write_object_end(w);
return 0;
}
@ -1290,6 +1299,10 @@ vbdev_crypto_config_json(struct spdk_json_write_ctx *w)
spdk_json_write_named_string(w, "name", spdk_bdev_get_name(&crypto_bdev->crypto_bdev));
spdk_json_write_named_string(w, "crypto_pmd", crypto_bdev->drv_name);
spdk_json_write_named_string(w, "key", crypto_bdev->key);
if (strcmp(crypto_bdev->cipher, AES_XTS) == 0) {
spdk_json_write_named_string(w, "key2", crypto_bdev->key);
}
spdk_json_write_named_string(w, "cipher", crypto_bdev->cipher);
spdk_json_write_object_end(w);
spdk_json_write_object_end(w);
}
@ -1443,7 +1456,7 @@ vbdev_crypto_insert_name(const char *bdev_name, const char *vbdev_name,
goto error_alloc_key;
}
if (strlen(name->key) != AES_CBC_KEY_LENGTH) {
SPDK_ERRLOG("invalid AES_CCB key length\n");
SPDK_ERRLOG("invalid AES_CBC key length\n");
rc = -EINVAL;
goto error_invalid_key;
}
@ -1479,9 +1492,10 @@ vbdev_crypto_insert_name(const char *bdev_name, const char *vbdev_name,
return 0;
/* Error cleanup paths. */
error_cipher:
free(name->key2);
error_alloc_key2:
error_invalid_key2:
error_cipher:
error_invalid_key:
free(name->key);
error_alloc_key:
@ -1737,7 +1751,6 @@ vbdev_crypto_claim(struct spdk_bdev *bdev)
struct vbdev_dev *device;
bool found = false;
int rc = 0;
void *tmp = NULL;
if (g_number_of_claimed_volumes >= MAX_CRYPTO_VOLUMES) {
SPDK_DEBUGLOG(SPDK_LOG_CRYPTO, "Reached max number of claimed volumes\n");
@ -1778,6 +1791,15 @@ vbdev_crypto_claim(struct spdk_bdev *bdev)
goto error_alloc_key;
}
if (name->key2) {
vbdev->key2 = strdup(name->key2);
if (!vbdev->key2) {
SPDK_ERRLOG("could not allocate crypto_bdev key2\n");
rc = -ENOMEM;
goto error_alloc_key2;
}
}
vbdev->drv_name = strdup(name->drv_name);
if (!vbdev->drv_name) {
SPDK_ERRLOG("could not allocate crypto_bdev drv_name\n");
@ -1787,6 +1809,7 @@ vbdev_crypto_claim(struct spdk_bdev *bdev)
vbdev->crypto_bdev.product_name = "crypto";
vbdev->crypto_bdev.write_cache = bdev->write_cache;
vbdev->cipher = AES_CBC;
if (strcmp(vbdev->drv_name, QAT) == 0) {
vbdev->crypto_bdev.required_alignment =
spdk_max(spdk_u32log2(bdev->blocklen), bdev->required_alignment);
@ -1796,15 +1819,17 @@ vbdev_crypto_claim(struct spdk_bdev *bdev)
SPDK_NOTICELOG("QAT using cipher: AES_CBC\n");
} else {
SPDK_NOTICELOG("QAT using cipher: AES_XTS\n");
vbdev->cipher = AES_XTS;
/* DPDK expects they keys to be concatenated together. */
tmp = realloc(vbdev->key, (AES_XTS_KEY_LENGTH * 2) + 1);
if (tmp == NULL) {
SPDK_ERRLOG("could not reallocate memory for XTS keys\n");
vbdev->xts_key = calloc(1, (AES_XTS_KEY_LENGTH * 2) + 1);
if (vbdev->xts_key == NULL) {
SPDK_ERRLOG("could not allocate memory for XTS key\n");
rc = -ENOMEM;
goto error_key_realloc;
goto error_xts_key;
}
vbdev->key = tmp;
memcpy(vbdev->key + AES_XTS_KEY_LENGTH, name->key2, AES_XTS_KEY_LENGTH + 1);
memcpy(vbdev->xts_key, vbdev->key, AES_XTS_KEY_LENGTH);
assert(name->key2);
memcpy(vbdev->xts_key + AES_XTS_KEY_LENGTH, name->key2, AES_XTS_KEY_LENGTH + 1);
}
} else {
vbdev->crypto_bdev.required_alignment = bdev->required_alignment;
@ -1879,12 +1904,13 @@ vbdev_crypto_claim(struct spdk_bdev *bdev)
/* Init our per vbdev xform with the desired cipher options. */
vbdev->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
vbdev->cipher_xform.cipher.key.data = vbdev->key;
vbdev->cipher_xform.cipher.iv.offset = IV_OFFSET;
if (strcmp(name->cipher, AES_CBC) == 0) {
vbdev->cipher_xform.cipher.key.data = vbdev->key;
vbdev->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
vbdev->cipher_xform.cipher.key.length = AES_CBC_KEY_LENGTH;
} else {
vbdev->cipher_xform.cipher.key.data = vbdev->xts_key;
vbdev->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_XTS;
vbdev->cipher_xform.cipher.key.length = AES_XTS_KEY_LENGTH * 2;
}
@ -1936,9 +1962,12 @@ error_claim:
error_open:
TAILQ_REMOVE(&g_vbdev_crypto, vbdev, link);
spdk_io_device_unregister(vbdev, NULL);
free(vbdev->xts_key);
error_xts_key:
free(vbdev->drv_name);
error_key_realloc:
error_drv_name:
free(vbdev->key2);
error_alloc_key2:
free(vbdev->key);
error_alloc_key:
free(vbdev->crypto_bdev.name);