From 74074e8a7c60592cf1cc6469dbc2550d24aeded3 Mon Sep 17 00:00:00 2001 From: Ladi Prosek Date: Thu, 3 Mar 2016 09:37:16 +0100 Subject: [PATCH] rng: move request queue from RngEgd to RngBackend The 'requests' field now lives in the RngBackend parent class. There are no functional changes in this commit. Signed-off-by: Ladi Prosek Reviewed-by: Amit Shah Message-Id: <1456994238-9585-3-git-send-email-lprosek@redhat.com> Signed-off-by: Amit Shah --- backends/rng-egd.c | 28 +++++++++------------------- include/sysemu/rng.h | 11 +++++++++++ 2 files changed, 20 insertions(+), 19 deletions(-) diff --git a/backends/rng-egd.c b/backends/rng-egd.c index 0b2976a..b061362 100644 --- a/backends/rng-egd.c +++ b/backends/rng-egd.c @@ -25,19 +25,8 @@ typedef struct RngEgd CharDriverState *chr; char *chr_name; - - GSList *requests; } RngEgd; -typedef struct RngRequest -{ - EntropyReceiveFunc *receive_entropy; - uint8_t *data; - void *opaque; - size_t offset; - size_t size; -} RngRequest; - static void rng_egd_request_entropy(RngBackend *b, size_t size, EntropyReceiveFunc *receive_entropy, void *opaque) @@ -66,7 +55,7 @@ static void rng_egd_request_entropy(RngBackend *b, size_t size, size -= len; } - s->requests = g_slist_append(s->requests, req); + s->parent.requests = g_slist_append(s->parent.requests, req); } static void rng_egd_free_request(RngRequest *req) @@ -81,7 +70,7 @@ static int rng_egd_chr_can_read(void *opaque) GSList *i; int size = 0; - for (i = s->requests; i; i = i->next) { + for (i = s->parent.requests; i; i = i->next) { RngRequest *req = i->data; size += req->size - req->offset; } @@ -94,8 +83,8 @@ static void rng_egd_chr_read(void *opaque, const uint8_t *buf, int size) RngEgd *s = RNG_EGD(opaque); size_t buf_offset = 0; - while (size > 0 && s->requests) { - RngRequest *req = s->requests->data; + while (size > 0 && s->parent.requests) { + RngRequest *req = s->parent.requests->data; int len = MIN(size, req->size - req->offset); memcpy(req->data + req->offset, buf + buf_offset, len); @@ -104,7 +93,8 @@ static void rng_egd_chr_read(void *opaque, const uint8_t *buf, int size) size -= len; if (req->offset == req->size) { - s->requests = g_slist_remove_link(s->requests, s->requests); + s->parent.requests = g_slist_remove_link(s->parent.requests, + s->parent.requests); req->receive_entropy(req->opaque, req->data, req->size); @@ -117,12 +107,12 @@ static void rng_egd_free_requests(RngEgd *s) { GSList *i; - for (i = s->requests; i; i = i->next) { + for (i = s->parent.requests; i; i = i->next) { rng_egd_free_request(i->data); } - g_slist_free(s->requests); - s->requests = NULL; + g_slist_free(s->parent.requests); + s->parent.requests = NULL; } static void rng_egd_opened(RngBackend *b, Error **errp) diff --git a/include/sysemu/rng.h b/include/sysemu/rng.h index 87b3ebe..c744d82 100644 --- a/include/sysemu/rng.h +++ b/include/sysemu/rng.h @@ -24,6 +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; @@ -31,6 +32,15 @@ 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; +}; + struct RngBackendClass { ObjectClass parent_class; @@ -47,6 +57,7 @@ struct RngBackend /*< protected >*/ bool opened; + GSList *requests; }; /** -- 2.7.4