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From: Ravi Kumar <Ravi1.kumar@amd.com>
To: dev@dpdk.org
Cc: pablo.de.lara.guarch@intel.com, hemant.agrawal@nxp.com
Subject: [dpdk-dev] [PATCH v5 09/19] crypto/ccp: support ccp hwrng feature
Date: Mon, 19 Mar 2018 08:23:43 -0400	[thread overview]
Message-ID: <1521462233-13590-9-git-send-email-Ravi1.kumar@amd.com> (raw)
In-Reply-To: <1521462233-13590-1-git-send-email-Ravi1.kumar@amd.com>

Signed-off-by: Ravi Kumar <Ravi1.kumar@amd.com>
---
 drivers/crypto/ccp/ccp_dev.c | 20 ++++++++++++++++++++
 drivers/crypto/ccp/ccp_dev.h | 11 +++++++++++
 2 files changed, 31 insertions(+)

diff --git a/drivers/crypto/ccp/ccp_dev.c b/drivers/crypto/ccp/ccp_dev.c
index 2e702de..55cfcdd 100644
--- a/drivers/crypto/ccp/ccp_dev.c
+++ b/drivers/crypto/ccp/ccp_dev.c
@@ -62,6 +62,26 @@ ccp_allot_queue(struct rte_cryptodev *cdev, int slot_req)
 	return NULL;
 }
 
+int
+ccp_read_hwrng(uint32_t *value)
+{
+	struct ccp_device *dev;
+
+	TAILQ_FOREACH(dev, &ccp_list, next) {
+		void *vaddr = (void *)(dev->pci.mem_resource[2].addr);
+
+		while (dev->hwrng_retries++ < CCP_MAX_TRNG_RETRIES) {
+			*value = CCP_READ_REG(vaddr, TRNG_OUT_REG);
+			if (*value) {
+				dev->hwrng_retries = 0;
+				return 0;
+			}
+		}
+		dev->hwrng_retries = 0;
+	}
+	return -1;
+}
+
 static const struct rte_memzone *
 ccp_queue_dma_zone_reserve(const char *queue_name,
 			   uint32_t queue_size,
diff --git a/drivers/crypto/ccp/ccp_dev.h b/drivers/crypto/ccp/ccp_dev.h
index abc788c..de375ee 100644
--- a/drivers/crypto/ccp/ccp_dev.h
+++ b/drivers/crypto/ccp/ccp_dev.h
@@ -21,6 +21,7 @@
 
 /**< CCP sspecific */
 #define MAX_HW_QUEUES                   5
+#define CCP_MAX_TRNG_RETRIES		10
 
 /**< CCP Register Mappings */
 #define Q_MASK_REG                      0x000
@@ -197,6 +198,8 @@ struct ccp_device {
 	/**< protection for shared lsb region allocation */
 	int qidx;
 	/**< current queue index */
+	int hwrng_retries;
+	/**< retry counter for CCP TRNG */
 } __rte_cache_aligned;
 
 /**< CCP H/W engine related */
@@ -428,4 +431,12 @@ int ccp_probe_devices(const struct rte_pci_id *ccp_id);
  */
 struct ccp_queue *ccp_allot_queue(struct rte_cryptodev *dev, int slot_req);
 
+/**
+ * read hwrng value
+ *
+ * @param trng_value data pointer to write RNG value
+ * @return 0 on success otherwise -1
+ */
+int ccp_read_hwrng(uint32_t *trng_value);
+
 #endif /* _CCP_DEV_H_ */
-- 
2.7.4

  parent reply	other threads:[~2018-03-19 12:24 UTC|newest]

Thread overview: 131+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-30 13:12 [dpdk-dev] [PATCH 01/11] cryptodev: add compile support for AMD CCP crypto PMD Ravi Kumar
2017-11-30 13:12 ` [dpdk-dev] [PATCH 02/11] crypto/ccp: add " Ravi Kumar
2017-12-11 19:50   ` De Lara Guarch, Pablo
2017-12-12 11:46     ` Kumar, Ravi1
2017-11-30 13:12 ` [dpdk-dev] [PATCH 03/11] crypto: add macros for AES-CMAC and SHA3 Ravi Kumar
2017-11-30 13:12 ` [dpdk-dev] [PATCH 04/11] crypto/ccp: add support for AES-CMAC Ravi Kumar
2017-11-30 13:12 ` [dpdk-dev] [PATCH 05/11] crypto/ccp: add support for CPU based authentication Ravi Kumar
2017-12-11 19:40   ` De Lara Guarch, Pablo
2017-11-30 13:12 ` [dpdk-dev] [PATCH 06/11] crypto/ccp: add support for SHA3 family authentication Ravi Kumar
2017-11-30 13:12 ` [dpdk-dev] [PATCH 07/11] doc: add document for AMD CCP crypto PMD Ravi Kumar
2017-12-11 19:36   ` De Lara Guarch, Pablo
2017-11-30 13:12 ` [dpdk-dev] [PATCH 08/11] crypto/ccp: rename CCP crypto driver id Ravi Kumar
2017-12-11 14:30   ` De Lara Guarch, Pablo
2017-11-30 13:12 ` [dpdk-dev] [PATCH 09/11] crypto/ccp: update queue-pair release to enable reset Ravi Kumar
2017-11-30 13:12 ` [dpdk-dev] [PATCH 10/11] test/test: add test for AMD CCP crypto PMD Ravi Kumar
2017-12-11 14:27   ` De Lara Guarch, Pablo
2017-11-30 13:12 ` [dpdk-dev] [PATCH 11/11] crypto/ccp: update CCP PMD code-base Ravi Kumar
2017-12-11 19:30   ` De Lara Guarch, Pablo
2017-12-11 13:39 ` [dpdk-dev] [PATCH 01/11] cryptodev: add compile support for AMD CCP crypto PMD De Lara Guarch, Pablo
2017-12-11 13:41   ` Kumar, Ravi1
2018-01-05  9:39 ` [dpdk-dev] [PATCH v2 01/20] crypto/ccp: add AMD ccp crypto pmd support Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 02/20] crypto/ccp: add ccp device initialization and remove Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 03/20] crypto/ccp: add basic pmd ops support for start, stop, config etc Ravi Kumar
2018-01-08 17:21     ` De Lara Guarch, Pablo
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 04/20] crypto/ccp: add session related crypto pmd ops support Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 05/20] crypto/ccp: add queue pair related " Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 06/20] crypto/ccp: add crypto enqueue and dequeue burst api support Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 07/20] crypto/ccp: add support for RTE_CRYPTO_OP_SESSIONLESS Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 08/20] crypto/ccp: add stats related crypto pmd ops support Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 09/20] crypto/ccp: add ccp hwrng feature support Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 10/20] crypto/ccp: add aes cipher algo support Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 11/20] crypto/ccp: add 3des " Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 12/20] crypto/ccp: add aes-cmac auth algo aupport Ravi Kumar
2018-01-08 17:27     ` De Lara Guarch, Pablo
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 13/20] crypto/ccp: add aes-gcm aead algo support Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 14/20] crypto/ccp: add sha1 auth " Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 15/20] crypto/ccp: add sha2 family " Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 16/20] crypto/ccp: add sha3 " Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 17/20] crypto/ccp: add cpu based md5 and sha2 " Ravi Kumar
2018-01-08 17:36     ` De Lara Guarch, Pablo
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 18/20] doc: add document for AMD CCP crypto poll mode driver Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 19/20] test/crypto: add test " Ravi Kumar
2018-01-05  9:39   ` [dpdk-dev] [PATCH v2 20/20] doc: add ccp crypto poll mode driver to release notes Ravi Kumar
2018-01-08 17:32     ` De Lara Guarch, Pablo
2018-01-07  9:02   ` [dpdk-dev] [PATCH v2 01/20] crypto/ccp: add AMD ccp crypto pmd support Hemant Agrawal
2018-01-08 17:16   ` De Lara Guarch, Pablo
2018-01-10  9:42   ` [dpdk-dev] [PATCH v3 01/19] crypto/ccp: add AMD ccp skeleton PMD Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 02/19] crypto/ccp: support ccp device initialization and deintialization Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 03/19] crypto/ccp: support basic pmd ops Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 04/19] crypto/ccp: support session related crypto " Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 05/19] crypto/ccp: support queue pair related " Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 06/19] crypto/ccp: support crypto enqueue and dequeue burst api Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 07/19] crypto/ccp: support for RTE_CRYPTO_OP_SESSIONLESS Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 08/19] crypto/ccp: support stats related crypto pmd ops Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 09/19] crypto/ccp: support ccp hwrng feature Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 10/19] crypto/ccp: support aes cipher algo Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 11/19] crypto/ccp: support 3des " Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 12/19] crypto/ccp: support aes-cmac auth algo Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 13/19] crypto/ccp: support aes-gcm aead algo Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 14/19] crypto/ccp: support sha1 authentication algo Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 15/19] crypto/ccp: support sha2 family " Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 16/19] crypto/ccp: support sha3 " Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 17/19] crypto/ccp: support cpu based md5 and sha2 " Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 18/19] test/crypto: add test for AMD CCP crypto poll mode driver Ravi Kumar
2018-01-10  9:42     ` [dpdk-dev] [PATCH v3 19/19] doc: add document " Ravi Kumar
2018-01-10  9:53     ` [dpdk-dev] [PATCH v3 01/19] crypto/ccp: add AMD ccp skeleton PMD De Lara Guarch, Pablo
2018-01-10 10:29       ` Kumar, Ravi1
2018-01-10 13:41         ` De Lara Guarch, Pablo
2018-01-11  6:36           ` Kumar, Ravi1
2018-01-16 15:29             ` De Lara Guarch, Pablo
2018-01-17  9:08               ` Kumar, Ravi1
2018-01-24  8:57                 ` De Lara Guarch, Pablo
2018-03-09  8:35     ` [dpdk-dev] [PATCH v4 01/20] " Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 02/20] crypto/ccp: support ccp device initialization and deintialization Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 03/20] crypto/ccp: support basic pmd ops Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 04/20] crypto/ccp: support session related crypto " Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 05/20] crypto/ccp: support queue pair related " Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 06/20] crypto/ccp: support crypto enqueue and dequeue burst api Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 07/20] crypto/ccp: support sessionless operations Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 08/20] crypto/ccp: support stats related crypto pmd ops Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 09/20] crypto/ccp: support ccp hwrng feature Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 10/20] crypto/ccp: support aes cipher algo Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 11/20] crypto/ccp: support 3des " Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 12/20] crypto/ccp: support aes-cmac auth algo Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 13/20] crypto/ccp: support aes-gcm aead algo Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 14/20] crypto/ccp: support sha1 authentication algo Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 15/20] crypto/ccp: support sha2 family " Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 16/20] crypto/ccp: support sha3 " Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 17/20] crypto/ccp: support cpu based md5 and sha2 " Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 18/20] test/crypto: add test for AMD CCP crypto poll mode Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 19/20] doc: add document for AMD CCP crypto poll mode driver Ravi Kumar
2018-03-09  8:35       ` [dpdk-dev] [PATCH v4 20/20] crypto/ccp: moved license headers to SPDX format Ravi Kumar
2018-03-12  9:18         ` De Lara Guarch, Pablo
2018-03-12 11:23           ` Kumar, Ravi1
2018-03-09 17:36       ` [dpdk-dev] [PATCH v4 01/20] crypto/ccp: add AMD ccp skeleton PMD Hemant Agrawal
2018-03-09 17:46         ` Hemant Agrawal
2018-03-12 11:26           ` Kumar, Ravi1
2018-03-19 12:23       ` [dpdk-dev] [PATCH v5 01/19] " Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 02/19] crypto/ccp: support ccp device initialization and deintialization Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 03/19] crypto/ccp: support basic pmd ops Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 04/19] crypto/ccp: support session related crypto " Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 05/19] crypto/ccp: support queue pair related " Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 06/19] crypto/ccp: support crypto enqueue and dequeue burst api Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 07/19] crypto/ccp: support sessionless operations Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 08/19] crypto/ccp: support stats related crypto pmd ops Ravi Kumar
2018-03-19 12:23         ` Ravi Kumar [this message]
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 10/19] crypto/ccp: support aes cipher algo Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 11/19] crypto/ccp: support 3des " Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 12/19] crypto/ccp: support aes-cmac auth algo Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 13/19] crypto/ccp: support aes-gcm aead algo Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 14/19] crypto/ccp: support sha1 authentication algo Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 15/19] crypto/ccp: support sha2 family " Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 16/19] crypto/ccp: support sha3 " Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 17/19] crypto/ccp: support cpu based md5 and sha2 " Ravi Kumar
2018-04-22 20:08           ` Thomas Monjalon
2018-04-23  6:41             ` Kumar, Ravi1
2018-04-23  8:05               ` Thomas Monjalon
2018-04-23 10:05                 ` De Lara Guarch, Pablo
2018-04-23 10:41                   ` Kumar, Ravi1
2018-05-03  6:01                   ` Kumar, Ravi1
2018-05-03  7:25                     ` De Lara Guarch, Pablo
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 18/19] test/crypto: add test for AMD CCP crypto poll mode Ravi Kumar
2018-03-19 12:23         ` [dpdk-dev] [PATCH v5 19/19] doc: add document for AMD CCP crypto poll mode driver Ravi Kumar
2018-03-30 22:46         ` [dpdk-dev] [PATCH v5 01/19] crypto/ccp: add AMD ccp skeleton PMD De Lara Guarch, Pablo
2018-04-02  5:50           ` Kumar, Ravi1
2018-04-16 14:20             ` De Lara Guarch, Pablo
2018-04-17  6:11               ` Kumar, Ravi1
2018-04-22 19:57         ` Thomas Monjalon
2018-04-23  6:37           ` Kumar, Ravi1
2018-04-23  7:55             ` De Lara Guarch, Pablo
2018-04-23  7:57             ` Thomas Monjalon

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