From: "Wu, Jingjing" <jingjing.wu@intel.com> To: "Li, Xiaoyun" <xiaoyun.li@intel.com>, "Wiles, Keith" <keith.wiles@intel.com>, "Liang, Cunming" <cunming.liang@intel.com>, "Maslekar, Omkar" <omkar.maslekar@intel.com> Cc: "dev@dpdk.org" <dev@dpdk.org> Subject: Re: [dpdk-dev] [PATCH v6 2/6] raw/ntb: add intel ntb support Date: Tue, 18 Jun 2019 16:07:34 +0000 Message-ID: <9BB6961774997848B5B42BEC655768F81145FE76@SHSMSX103.ccr.corp.intel.com> (raw) In-Reply-To: <20190618021055.12709-3-xiaoyun.li@intel.com> One general comment: Think about to use rte_read32() and rte_write32() when reading and writing registers. Or you can define a Macro or inline function for NTB driver to touch registers. Then you can omit lots of "(char *)hw->pci_dev->mem_resource[0].addr " and "*((volatile uint32_t *)" like things. It will make the code much easier to read. > +static void * > +intel_ntb_get_peer_mw_addr(struct rte_rawdev *dev, int mw_idx) > +{ > + struct ntb_hw *hw = dev->dev_private; > + uint8_t bar; > + > + if (hw == NULL) { > + NTB_LOG(ERR, "Invalid device."); > + return 0; > + } > + > + if (mw_idx < 0 || mw_idx > hw->mw_cnt) { mw_idx >= hw->mw_cnt? [...] > +static int > +intel_ntb_mw_set_trans(struct rte_rawdev *dev, int mw_idx, > + uint64_t addr, uint64_t size) > +{ > + struct ntb_hw *hw = dev->dev_private; > + void *xlat_addr, *limit_addr; > + uint64_t xlat_off, limit_off; > + uint64_t base, limit; > + uint8_t bar; > + > + if (hw == NULL) { > + NTB_LOG(ERR, "Invalid device."); > + return -EINVAL; > + } > + > + if (mw_idx < 0 || mw_idx > hw->mw_cnt) { Same as above. [...] > +static uint32_t > +intel_ntb_spad_read(struct rte_rawdev *dev, int spad, bool peer) > +{ > + struct ntb_hw *hw = dev->dev_private; > + uint32_t spad_v, reg_off; > + void *reg_addr; > + > + if (spad < 0 || spad >= hw->spad_cnt) { > + NTB_LOG(ERR, "Invalid spad reg index."); > + return 0; > + } > + > + /* When peer is true, read peer spad reg */ > + if (peer) > + reg_off = XEON_B2B_SPAD_OFFSET; > + else > + reg_off = XEON_IM_SPAD_OFFSET; How about one line if check is simple? reg_off = peer ? XEON_B2B_SPAD_OFFSET : XEON_IM_SPAD_OFFSET; Thanks Jingjing
next prev parent reply index Thread overview: 127+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-03 8:46 [dpdk-dev] [PATCH 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-03 8:46 ` [dpdk-dev] [PATCH 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-04 2:20 ` Ye Xiaolong 2019-06-03 8:46 ` [dpdk-dev] [PATCH 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-04 3:01 ` Ye Xiaolong 2019-06-03 8:46 ` [dpdk-dev] [PATCH 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-03 8:46 ` [dpdk-dev] [PATCH 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-04 6:48 ` Ye Xiaolong 2019-06-04 8:12 ` Li, Xiaoyun 2019-06-05 8:32 ` Li, Xiaoyun 2019-06-05 9:25 ` Ye Xiaolong 2019-06-05 13:36 ` Li, Xiaoyun 2019-06-06 2:07 ` Ye Xiaolong 2019-06-04 8:48 ` Ye Xiaolong 2019-06-05 3:11 ` Li, Xiaoyun 2019-06-03 8:46 ` [dpdk-dev] [PATCH 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-04 7:53 ` Jerin Jacob Kollanukkaran 2019-06-04 8:16 ` Li, Xiaoyun 2019-06-03 8:46 ` [dpdk-dev] [PATCH 6/6] doc: update docs for ntb pmd Xiaoyun Li 2019-06-06 7:42 ` [dpdk-dev] [PATCH v2 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-06 7:42 ` [dpdk-dev] [PATCH v2 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-06 7:42 ` [dpdk-dev] [PATCH v2 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-06 7:43 ` [dpdk-dev] [PATCH v2 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-06 7:43 ` [dpdk-dev] [PATCH v2 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-06 7:43 ` [dpdk-dev] [PATCH v2 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-06 8:23 ` Bruce Richardson 2019-06-10 1:38 ` Li, Xiaoyun 2019-06-06 7:43 ` [dpdk-dev] [PATCH v2 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-11 8:22 ` [dpdk-dev] [PATCH 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-11 8:22 ` [dpdk-dev] [PATCH 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-11 8:22 ` [dpdk-dev] [PATCH 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-11 8:22 ` [dpdk-dev] [PATCH 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-11 8:22 ` [dpdk-dev] [PATCH 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-11 8:22 ` [dpdk-dev] [PATCH 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-11 8:22 ` [dpdk-dev] [PATCH 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-11 8:50 ` [dpdk-dev] [PATCH v3 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-11 8:50 ` [dpdk-dev] [PATCH v3 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-11 8:50 ` [dpdk-dev] [PATCH v3 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-11 8:50 ` [dpdk-dev] [PATCH v3 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-11 8:50 ` [dpdk-dev] [PATCH v3 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-11 8:50 ` [dpdk-dev] [PATCH v3 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-11 8:50 ` [dpdk-dev] [PATCH v3 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-13 7:56 ` [dpdk-dev] [PATCH v4 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-13 7:56 ` [dpdk-dev] [PATCH v4 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-13 7:56 ` [dpdk-dev] [PATCH v4 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-13 7:56 ` [dpdk-dev] [PATCH v4 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-13 7:56 ` [dpdk-dev] [PATCH v4 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-13 7:56 ` [dpdk-dev] [PATCH v4 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-13 7:56 ` [dpdk-dev] [PATCH v4 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-14 2:19 ` [dpdk-dev] [PATCH v5 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-14 2:19 ` [dpdk-dev] [PATCH v5 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-17 12:49 ` Wang, Xiao W 2019-06-18 1:28 ` Li, Xiaoyun 2019-06-14 2:19 ` [dpdk-dev] [PATCH v5 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-14 2:19 ` [dpdk-dev] [PATCH v5 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-14 2:19 ` [dpdk-dev] [PATCH v5 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-14 2:19 ` [dpdk-dev] [PATCH v5 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-14 2:19 ` [dpdk-dev] [PATCH v5 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-18 2:10 ` [dpdk-dev] [PATCH v6 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-18 2:10 ` [dpdk-dev] [PATCH v6 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-18 16:07 ` Wu, Jingjing 2019-06-18 2:10 ` [dpdk-dev] [PATCH v6 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-18 16:07 ` Wu, Jingjing [this message] 2019-06-18 2:10 ` [dpdk-dev] [PATCH v6 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-18 16:07 ` Wu, Jingjing 2019-06-20 10:06 ` Li, Xiaoyun 2019-06-18 2:10 ` [dpdk-dev] [PATCH v6 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-18 2:10 ` [dpdk-dev] [PATCH v6 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-18 2:10 ` [dpdk-dev] [PATCH v6 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-20 10:21 ` [dpdk-dev] [PATCH v7 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-20 10:21 ` [dpdk-dev] [PATCH v7 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-20 10:21 ` [dpdk-dev] [PATCH v7 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-20 10:21 ` [dpdk-dev] [PATCH v7 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-20 10:21 ` [dpdk-dev] [PATCH v7 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-20 10:21 ` [dpdk-dev] [PATCH v7 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-20 10:21 ` [dpdk-dev] [PATCH v7 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-26 7:12 ` [dpdk-dev] [PATCH v8 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-26 7:12 ` [dpdk-dev] [PATCH v8 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-27 16:31 ` Wu, Jingjing 2019-06-26 7:12 ` [dpdk-dev] [PATCH v8 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-27 17:06 ` Wu, Jingjing 2019-06-28 1:33 ` Li, Xiaoyun 2019-06-26 7:12 ` [dpdk-dev] [PATCH v8 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-27 17:19 ` Wu, Jingjing 2019-06-28 1:33 ` Li, Xiaoyun 2019-06-26 7:12 ` [dpdk-dev] [PATCH v8 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-27 17:30 ` Wu, Jingjing 2019-06-28 1:36 ` Li, Xiaoyun 2019-06-26 7:12 ` [dpdk-dev] [PATCH v8 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-27 17:34 ` Wu, Jingjing 2019-06-26 7:12 ` [dpdk-dev] [PATCH v8 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-06-27 17:33 ` Wu, Jingjing 2019-06-28 2:53 ` [dpdk-dev] [PATCH v9 0/6] rawdev driver for ntb Xiaoyun Li 2019-06-28 2:53 ` [dpdk-dev] [PATCH v9 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-06-28 2:53 ` [dpdk-dev] [PATCH v9 2/6] raw/ntb: add intel ntb support Xiaoyun Li 2019-06-28 2:53 ` [dpdk-dev] [PATCH v9 3/6] raw/ntb: add handshake process Xiaoyun Li 2019-06-28 2:53 ` [dpdk-dev] [PATCH v9 4/6] examples/ntb: enable an example for ntb Xiaoyun Li 2019-06-28 2:53 ` [dpdk-dev] [PATCH v9 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li 2019-06-28 2:53 ` [dpdk-dev] [PATCH v9 6/6] doc: update docs for ntb driver Xiaoyun Li 2019-07-01 14:24 ` Thomas Monjalon 2019-07-02 1:18 ` Li, Xiaoyun 2019-06-28 10:17 ` [dpdk-dev] [PATCH v9 0/6] rawdev driver for ntb Wu, Jingjing 2019-07-02 6:17 ` [dpdk-dev] [PATCH v10 0/5] " Xiaoyun Li 2019-07-02 6:17 ` [dpdk-dev] [PATCH v10 1/5] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-07-02 6:17 ` [dpdk-dev] [PATCH v10 2/5] usertools/dpdk-devbind.py: add support for ntb Xiaoyun Li 2019-07-02 6:17 ` [dpdk-dev] [PATCH v10 3/5] raw/ntb: add intel ntb support Xiaoyun Li 2019-07-02 6:17 ` [dpdk-dev] [PATCH v10 4/5] raw/ntb: add handshake process Xiaoyun Li 2019-07-02 6:17 ` [dpdk-dev] [PATCH v10 5/5] examples/ntb: enable an example for ntb Xiaoyun Li 2019-07-02 6:23 ` [dpdk-dev] [PATCH v10 1/5] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-07-02 6:25 ` [dpdk-dev] [PATCH v10 0/5] rawdev driver for ntb Xiaoyun Li 2019-07-02 6:25 ` [dpdk-dev] [PATCH v10 1/5] raw/ntb: introduce ntb rawdev driver Xiaoyun Li 2019-07-04 10:31 ` Thomas Monjalon 2019-07-04 10:37 ` Bruce Richardson 2019-07-05 1:21 ` Li, Xiaoyun 2019-07-05 1:28 ` Li, Xiaoyun 2019-07-02 6:25 ` [dpdk-dev] [PATCH v10 2/5] usertools/dpdk-devbind.py: add support for ntb Xiaoyun Li 2019-07-02 6:25 ` [dpdk-dev] [PATCH v10 3/5] raw/ntb: add intel ntb support Xiaoyun Li 2019-07-02 6:25 ` [dpdk-dev] [PATCH v10 4/5] raw/ntb: add handshake process Xiaoyun Li 2019-07-02 6:25 ` [dpdk-dev] [PATCH v10 5/5] examples/ntb: enable an example for ntb Xiaoyun Li 2019-07-02 14:10 ` [dpdk-dev] [PATCH v10 0/5] rawdev driver " Ye Xiaolong 2019-07-04 12:29 ` [dpdk-dev] [PATCH v11 0/4] " Thomas Monjalon 2019-07-04 12:29 ` [dpdk-dev] [PATCH v11 1/4] raw/ntb: introduce NTB raw device driver Thomas Monjalon 2019-07-04 12:29 ` [dpdk-dev] [PATCH v11 2/4] raw/ntb: support Intel NTB Thomas Monjalon 2019-07-04 12:29 ` [dpdk-dev] [PATCH v11 3/4] raw/ntb: add handshake process Thomas Monjalon 2019-07-04 12:29 ` [dpdk-dev] [PATCH v11 4/4] examples/ntb: add example for NTB Thomas Monjalon 2019-07-05 2:41 ` [dpdk-dev] [PATCH v11 0/4] rawdev driver for ntb Li, Xiaoyun 2019-07-05 10:52 ` Thomas Monjalon
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