diff options
author | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:18:31 +0300 |
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committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:42:15 +0300 |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/include/sysemu/rng.h | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/include/sysemu/rng.h')
-rw-r--r-- | qemu/include/sysemu/rng.h | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/qemu/include/sysemu/rng.h b/qemu/include/sysemu/rng.h index 0a27c9b88..45629c4c5 100644 --- a/qemu/include/sysemu/rng.h +++ b/qemu/include/sysemu/rng.h @@ -15,7 +15,6 @@ #include "qom/object.h" #include "qemu-common.h" -#include "qapi/error.h" #define TYPE_RNG_BACKEND "rng-backend" #define RNG_BACKEND(obj) \ @@ -25,6 +24,7 @@ #define RNG_BACKEND_CLASS(klass) \ OBJECT_CLASS_CHECK(RngBackendClass, (klass), TYPE_RNG_BACKEND) +typedef struct RngRequest RngRequest; typedef struct RngBackendClass RngBackendClass; typedef struct RngBackend RngBackend; @@ -32,13 +32,21 @@ typedef void (EntropyReceiveFunc)(void *opaque, const void *data, size_t size); +struct RngRequest +{ + EntropyReceiveFunc *receive_entropy; + uint8_t *data; + void *opaque; + size_t offset; + size_t size; + QSIMPLEQ_ENTRY(RngRequest) next; +}; + struct RngBackendClass { ObjectClass parent_class; - void (*request_entropy)(RngBackend *s, size_t size, - EntropyReceiveFunc *receive_entropy, void *opaque); - void (*cancel_requests)(RngBackend *s); + void (*request_entropy)(RngBackend *s, RngRequest *req); void (*opened)(RngBackend *s, Error **errp); }; @@ -49,8 +57,10 @@ struct RngBackend /*< protected >*/ bool opened; + QSIMPLEQ_HEAD(requests, RngRequest) requests; }; + /** * rng_backend_request_entropy: * @s: the backend to request entropy from @@ -71,12 +81,13 @@ void rng_backend_request_entropy(RngBackend *s, size_t size, void *opaque); /** - * rng_backend_cancel_requests: - * @s: the backend to cancel all pending requests in + * rng_backend_free_request: + * @s: the backend that created the request + * @req: the request to finalize * - * Cancels all pending requests submitted by @rng_backend_request_entropy. This - * should be used by a device during reset or in preparation for live migration - * to stop tracking any request. + * Used by child rng backend classes to finalize requests once they've been + * processed. The request is removed from the list of active requests and + * deleted. */ -void rng_backend_cancel_requests(RngBackend *s); +void rng_backend_finalize_request(RngBackend *s, RngRequest *req); #endif |