Merge tag 'crypto-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging

Introduce new cryptography hashing APIs

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# gpg: Signature made Thu 10 Oct 2024 17:17:38 BST
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* tag 'crypto-fixes-pull-request' of https://gitlab.com/berrange/qemu:
  tests/unit: Add a assert for test_io_channel_unix_listen_cleanup
  crypto: drop obsolete back compat logic for old nettle
  crypto/hashpriv: Remove old hash API function
  crypto/hash-afalg: Remove old hash API functions
  crypto/hash-nettle: Remove old hash API functions
  crypto/hash-gnutls: Remove old hash API functions
  crypto/hash-gcrypt: Remove old hash API functions
  crypto/hash-glib: Remove old hash API functions
  tests/unit/test-crypto-hash: accumulative hashing
  crypto/hash: Implement and use new hash API
  crypto/hash-afalg: Implement new hash API
  util/iov: Introduce iov_send_recv_with_flags()
  crypto/hash-nettle: Implement new hash API
  crypto/hash-gnutls: Implement new hash API
  crypto/hash-gcrypt: Implement new hash API
  crypto/hash-glib: Implement new hash API
  crypto: accumulative hashing API

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/include/qemu/iov.h b/include/qemu/iov.h
index 63a1c01965..44f9db5cee 100644
--- a/include/qemu/iov.h
+++ b/include/qemu/iov.h
@@ -1,6 +1,7 @@
 /*
  * Helpers for using (partial) iovecs.
  *
+ * Copyright (c) 2024 Seagate Technology LLC and/or its Affiliates
  * Copyright (C) 2010 Red Hat, Inc.
  *
  * Author(s):
@@ -76,6 +77,32 @@ size_t iov_memset(const struct iovec *iov, const unsigned int iov_cnt,
                   size_t offset, int fillc, size_t bytes);
 
 /*
+ * Send/recv data from/to iovec buffers directly, with the provided
+ * socket flags.
+ *
+ * `offset' bytes in the beginning of iovec buffer are skipped and
+ * next `bytes' bytes are used, which must be within data of iovec.
+ *
+ *   r = iov_send_recv_with_flags(sockfd, sockflags, iov, iovcnt,
+ *                                offset, bytes, true);
+ *
+ * is logically equivalent to
+ *
+ *   char *buf = malloc(bytes);
+ *   iov_to_buf(iov, iovcnt, offset, buf, bytes);
+ *   r = send(sockfd, buf, bytes, sockflags);
+ *   free(buf);
+ *
+ * For iov_send_recv_with_flags() _whole_ area being sent or received
+ * should be within the iovec, not only beginning of it.
+ */
+ssize_t iov_send_recv_with_flags(int sockfd, int sockflags,
+                                 const struct iovec *iov,
+                                 unsigned iov_cnt, size_t offset,
+                                 size_t bytes,
+                                 bool do_send);
+
+/*
  * Send/recv data from/to iovec buffers directly
  *
  * `offset' bytes in the beginning of iovec buffer are skipped and