diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-08-31 17:38:39 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-08-31 17:38:39 -0700 |
commit | d4c90396ed7ef9b4e4d221e008e54be8bea8307f (patch) | |
tree | 5611f1f27eec16edfeb6a3fd73a8ef7dbfd037b4 /drivers/crypto/nx/nx-842-powernv.c | |
parent | f36fc04e4cdda9e4c72ee504e7dc638f9a168863 (diff) | |
parent | bf433416e67597ba105ece55b3136557874945db (diff) | |
download | talos-op-linux-d4c90396ed7ef9b4e4d221e008e54be8bea8307f.tar.gz talos-op-linux-d4c90396ed7ef9b4e4d221e008e54be8bea8307f.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 4.3:
API:
- the AEAD interface transition is now complete.
- add top-level skcipher interface.
Drivers:
- x86-64 acceleration for chacha20/poly1305.
- add sunxi-ss Allwinner Security System crypto accelerator.
- add RSA algorithm to qat driver.
- add SRIOV support to qat driver.
- add LS1021A support to caam.
- add i.MX6 support to caam"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (163 commits)
crypto: algif_aead - fix for multiple operations on AF_ALG sockets
crypto: qat - enable legacy VFs
MPI: Fix mpi_read_buffer
crypto: qat - silence a static checker warning
crypto: vmx - Fixing opcode issue
crypto: caam - Use the preferred style for memory allocations
crypto: caam - Propagate the real error code in caam_probe
crypto: caam - Fix the error handling in caam_probe
crypto: caam - fix writing to JQCR_MS when using service interface
crypto: hash - Add AHASH_REQUEST_ON_STACK
crypto: testmgr - Use new skcipher interface
crypto: skcipher - Add top-level skcipher interface
crypto: cmac - allow usage in FIPS mode
crypto: sahara - Use dmam_alloc_coherent
crypto: caam - Add support for LS1021A
crypto: qat - Don't move data inside output buffer
crypto: vmx - Fixing GHASH Key issue on little endian
crypto: vmx - Fixing AES-CTR counter bug
crypto: null - Add missing Kconfig tristate for NULL2
crypto: nx - Add forward declaration for struct crypto_aead
...
Diffstat (limited to 'drivers/crypto/nx/nx-842-powernv.c')
-rw-r--r-- | drivers/crypto/nx/nx-842-powernv.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c index 33b3b0abf4ae..3750e13d8721 100644 --- a/drivers/crypto/nx/nx-842-powernv.c +++ b/drivers/crypto/nx/nx-842-powernv.c @@ -26,6 +26,8 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Dan Streetman <ddstreet@ieee.org>"); MODULE_DESCRIPTION("842 H/W Compression driver for IBM PowerNV processors"); +MODULE_ALIAS_CRYPTO("842"); +MODULE_ALIAS_CRYPTO("842-nx"); #define WORKMEM_ALIGN (CRB_ALIGN) #define CSB_WAIT_MAX (5000) /* ms */ @@ -344,7 +346,8 @@ static int wait_for_csb(struct nx842_workmem *wmem, } /* successful completion */ - pr_debug_ratelimited("Processed %u bytes in %lu us\n", csb->count, + pr_debug_ratelimited("Processed %u bytes in %lu us\n", + be32_to_cpu(csb->count), (unsigned long)ktime_us_delta(now, start)); return 0; @@ -581,9 +584,29 @@ static struct nx842_driver nx842_powernv_driver = { .decompress = nx842_powernv_decompress, }; +static int nx842_powernv_crypto_init(struct crypto_tfm *tfm) +{ + return nx842_crypto_init(tfm, &nx842_powernv_driver); +} + +static struct crypto_alg nx842_powernv_alg = { + .cra_name = "842", + .cra_driver_name = "842-nx", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, + .cra_ctxsize = sizeof(struct nx842_crypto_ctx), + .cra_module = THIS_MODULE, + .cra_init = nx842_powernv_crypto_init, + .cra_exit = nx842_crypto_exit, + .cra_u = { .compress = { + .coa_compress = nx842_crypto_compress, + .coa_decompress = nx842_crypto_decompress } } +}; + static __init int nx842_powernv_init(void) { struct device_node *dn; + int ret; /* verify workmem size/align restrictions */ BUILD_BUG_ON(WORKMEM_ALIGN % CRB_ALIGN); @@ -594,17 +617,14 @@ static __init int nx842_powernv_init(void) BUILD_BUG_ON(DDE_BUFFER_ALIGN % DDE_BUFFER_SIZE_MULT); BUILD_BUG_ON(DDE_BUFFER_SIZE_MULT % DDE_BUFFER_LAST_MULT); - pr_info("loading\n"); - for_each_compatible_node(dn, NULL, "ibm,power-nx") nx842_powernv_probe(dn); - if (!nx842_ct) { - pr_err("no coprocessors found\n"); + if (!nx842_ct) return -ENODEV; - } - if (!nx842_platform_driver_set(&nx842_powernv_driver)) { + ret = crypto_register_alg(&nx842_powernv_alg); + if (ret) { struct nx842_coproc *coproc, *n; list_for_each_entry_safe(coproc, n, &nx842_coprocs, list) { @@ -612,11 +632,9 @@ static __init int nx842_powernv_init(void) kfree(coproc); } - return -EEXIST; + return ret; } - pr_info("loaded\n"); - return 0; } module_init(nx842_powernv_init); @@ -625,13 +643,11 @@ static void __exit nx842_powernv_exit(void) { struct nx842_coproc *coproc, *n; - nx842_platform_driver_unset(&nx842_powernv_driver); + crypto_unregister_alg(&nx842_powernv_alg); list_for_each_entry_safe(coproc, n, &nx842_coprocs, list) { list_del(&coproc->list); kfree(coproc); } - - pr_info("unloaded\n"); } module_exit(nx842_powernv_exit); |