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GET /api/patches/599655/?format=api
{ "id": 599655, "url": "http://patchwork.ozlabs.org/api/patches/599655/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20160318183310.40415.14576.stgit@mdrustad-wks.jf.intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20160318183310.40415.14576.stgit@mdrustad-wks.jf.intel.com>", "list_archive_url": null, "date": "2016-03-18T18:33:10", "name": "[V2,5/7] ixgbe: Provide for use of firmware to access IOSF registers", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "cb0bdecd0edda26c20eef27f74af74584002767d", "submitter": { "id": 13252, "url": "http://patchwork.ozlabs.org/api/people/13252/?format=api", "name": "Rustad, Mark D", "email": "mark.d.rustad@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20160318183310.40415.14576.stgit@mdrustad-wks.jf.intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/599655/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/599655/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\tby ozlabs.org (Postfix) with ESMTP id 3qRYkf2hVyz9s9Z\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat, 19 Mar 2016 05:33:14 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id AD94592187;\n\tFri, 18 Mar 2016 18:33:13 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id MxFjpTBGlFAv; Fri, 18 Mar 2016 18:33:12 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id E59DF9218E;\n\tFri, 18 Mar 2016 18:33:12 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\tby ash.osuosl.org (Postfix) with ESMTP id 22A9C1C105C\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 18 Mar 2016 18:33:12 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 1EAC595B01\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 18 Mar 2016 18:33:12 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id K7uiuGZi02fP for <intel-wired-lan@lists.osuosl.org>;\n\tFri, 18 Mar 2016 18:33:11 +0000 (UTC)", "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 72DAC95AFF\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri, 18 Mar 2016 18:33:11 +0000 (UTC)", "from fmsmga001.fm.intel.com ([10.253.24.23])\n\tby orsmga103.jf.intel.com with ESMTP; 18 Mar 2016 11:33:11 -0700", "from mdrustad-wks.jf.intel.com ([134.134.3.229])\n\tby fmsmga001.fm.intel.com with ESMTP; 18 Mar 2016 11:33:10 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.24,356,1455004800\"; d=\"scan'208\";a=\"927205035\"", "From": "Mark D Rustad <mark.d.rustad@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Fri, 18 Mar 2016 11:33:10 -0700", "Message-ID": "<20160318183310.40415.14576.stgit@mdrustad-wks.jf.intel.com>", "In-Reply-To": "<20160318183203.40415.3005.stgit@mdrustad-wks.jf.intel.com>", "References": "<20160318183203.40415.3005.stgit@mdrustad-wks.jf.intel.com>", "User-Agent": "StGit/unknown-version", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [PATCH V2 5/7] ixgbe: Provide for use of firmware\n\tto access IOSF registers", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "Add functions to issue firmware requests to access IOSF registers\nfor systems that require firmware coordination.\n\nSigned-off-by: Mark Rustad <mark.d.rustad@intel.com>\n---\n drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 19 ++++++++\n drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 60 +++++++++++++++++++++++++\n 2 files changed, 79 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h\nindex ae4b86fff9c3..de02702e44c6 100644\n--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h\n+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h\n@@ -2636,6 +2636,10 @@ enum ixgbe_fdir_pballoc_type {\n #define FW_PHY_TOKEN_DELAY\t\t5\t/* milliseconds */\n #define FW_PHY_TOKEN_WAIT\t\t5\t/* seconds */\n #define FW_PHY_TOKEN_RETRIES ((FW_PHY_TOKEN_WAIT * 1000) / FW_PHY_TOKEN_DELAY)\n+#define FW_INT_PHY_REQ_CMD\t\t0xB\n+#define FW_INT_PHY_REQ_LEN\t\t10\n+#define FW_INT_PHY_REQ_READ\t\t0\n+#define FW_INT_PHY_REQ_WRITE\t\t1\n \n /* Host Interface Command Structures */\n struct ixgbe_hic_hdr {\n@@ -2711,6 +2715,21 @@ struct ixgbe_hic_phy_token_req {\n \tu16 pad;\n };\n \n+struct ixgbe_hic_internal_phy_req {\n+\tstruct ixgbe_hic_hdr hdr;\n+\tu8 port_number;\n+\tu8 command_type;\n+\t__be16 address;\n+\tu16 rsv1;\n+\t__be32 write_data;\n+\tu16 pad;\n+} __packed;\n+\n+struct ixgbe_hic_internal_phy_resp {\n+\tstruct ixgbe_hic_hdr hdr;\n+\t__be32 read_data;\n+};\n+\n /* Transmit Descriptor - Advanced */\n union ixgbe_adv_tx_desc {\n \tstruct {\ndiff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c\nindex b8c10e40bc9e..3f5d1802c61e 100644\n--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c\n+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c\n@@ -468,6 +468,66 @@ static s32 ixgbe_put_phy_token(struct ixgbe_hw *hw)\n \treturn IXGBE_ERR_FW_RESP_INVALID;\n }\n \n+/**\n+ * ixgbe_write_iosf_sb_reg_x550a - Write to IOSF phy register\n+ * @hw: pointer to hardware structure\n+ * @reg_addr: 32 bit PHY register to write\n+ * @device_type: 3 bit device type\n+ * @data: Data to write to the register\n+ **/\n+static s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,\n+\t\t\t\t\t __always_unused u32 device_type,\n+\t\t\t\t\t u32 data)\n+{\n+\tstruct ixgbe_hic_internal_phy_req write_cmd;\n+\n+\tmemset(&write_cmd, 0, sizeof(write_cmd));\n+\twrite_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;\n+\twrite_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;\n+\twrite_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;\n+\twrite_cmd.port_number = hw->bus.lan_id;\n+\twrite_cmd.command_type = FW_INT_PHY_REQ_WRITE;\n+\twrite_cmd.address = cpu_to_be16(reg_addr);\n+\twrite_cmd.write_data = cpu_to_be32(data);\n+\n+\treturn ixgbe_host_interface_command(hw, &write_cmd, sizeof(write_cmd),\n+\t\t\t\t\t IXGBE_HI_COMMAND_TIMEOUT, false); \n+}\n+\n+/**\n+ * ixgbe_read_iosf_sb_reg_x550a - Read from IOSF phy register\n+ * @hw: pointer to hardware structure\n+ * @reg_addr: 32 bit PHY register to write\n+ * @device_type: 3 bit device type\n+ * @data: Pointer to read data from the register\n+ **/\n+static s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,\n+\t\t\t\t\t__always_unused u32 device_type,\n+\t\t\t\t\tu32 *data)\n+{\n+\tunion {\n+\t\tstruct ixgbe_hic_internal_phy_req cmd;\n+\t\tstruct ixgbe_hic_internal_phy_resp rsp;\n+\t} hic;\n+\ts32 status;\n+\n+\tmemset(&hic, 0, sizeof(hic));\n+\thic.cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;\n+\thic.cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;\n+\thic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;\n+\thic.cmd.port_number = hw->bus.lan_id;\n+\thic.cmd.command_type = FW_INT_PHY_REQ_READ;\n+\thic.cmd.address = cpu_to_be16(reg_addr);\n+\n+\tstatus = ixgbe_host_interface_command(hw, &hic.cmd, sizeof(hic.cmd),\n+\t\t\t\t\t IXGBE_HI_COMMAND_TIMEOUT, true);\n+\n+\t/* Extract the register value from the response. */\n+\t*data = be32_to_cpu(hic.rsp.read_data);\n+\n+\treturn status;\n+}\n+\n /** ixgbe_read_ee_hostif_data_X550 - Read EEPROM word using a host interface\n * command assuming that the semaphore is already obtained.\n * @hw: pointer to hardware structure\n", "prefixes": [ "V2", "5/7" ] }