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[91.76.161.180]) by smtp.gmail.com with ESMTPSA id 194sm1081186lfd.4.2015.11.19.01.43.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 19 Nov 2015 01:43:38 -0800 (PST) From: Maxim Uvarov To: lng-odp@lists.linaro.org Date: Thu, 19 Nov 2015 12:43:24 +0300 Message-Id: <1447926212-15365-2-git-send-email-maxim.uvarov@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1447926212-15365-1-git-send-email-maxim.uvarov@linaro.org> References: <1447926212-15365-1-git-send-email-maxim.uvarov@linaro.org> X-Topics: patch Subject: [lng-odp] [PATCHv14 1/9] helper: ring: update ring with shm proc argument X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "The OpenDataPlane \(ODP\) List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" Signed-off-by: Maxim Uvarov --- helper/include/odp/helper/ring.h | 2 ++ helper/ring.c | 9 ++++++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/helper/include/odp/helper/ring.h b/helper/include/odp/helper/ring.h index 65c32ad..5e640a7 100644 --- a/helper/include/odp/helper/ring.h +++ b/helper/include/odp/helper/ring.h @@ -158,6 +158,8 @@ typedef struct odph_ring { #define ODPH_RING_F_SP_ENQ 0x0001 /* The default enqueue is "single-producer".*/ #define ODPH_RING_F_SC_DEQ 0x0002 /* The default dequeue is "single-consumer".*/ +#define ODPH_RING_SHM_PROC 0x0004 /* If set - ring is visible from different + processes. Default is thread visible. */ #define ODPH_RING_QUOT_EXCEED (1 << 31) /* Quota exceed for burst ops */ #define ODPH_RING_SZ_MASK (unsigned)(0x0fffffff) /* Ring size mask */ diff --git a/helper/ring.c b/helper/ring.c index 3122173..844abf7 100644 --- a/helper/ring.c +++ b/helper/ring.c @@ -158,8 +158,14 @@ odph_ring_create(const char *name, unsigned count, unsigned flags) char ring_name[ODPH_RING_NAMESIZE]; odph_ring_t *r; size_t ring_size; + uint32_t shm_flag; odp_shm_t shm; + if (flags & ODPH_RING_SHM_PROC) + shm_flag = ODP_SHM_PROC; + else + shm_flag = 0; + /* count must be a power of 2 */ if (!RING_VAL_IS_POWER_2(count) || (count > ODPH_RING_SZ_MASK)) { ODPH_ERR("Requested size is invalid, must be power of 2, and do not exceed the size limit %u\n", @@ -172,7 +178,8 @@ odph_ring_create(const char *name, unsigned count, unsigned flags) odp_rwlock_write_lock(&qlock); /* reserve a memory zone for this ring.*/ - shm = odp_shm_reserve(ring_name, ring_size, ODP_CACHE_LINE_SIZE, 0); + shm = odp_shm_reserve(ring_name, ring_size, ODP_CACHE_LINE_SIZE, + shm_flag); r = odp_shm_addr(shm);