From patchwork Wed Feb 4 12:49:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hariprasad Shenai X-Patchwork-Id: 436333 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id E987914012F for ; Wed, 4 Feb 2015 23:44:20 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933876AbbBDMoQ (ORCPT ); Wed, 4 Feb 2015 07:44:16 -0500 Received: from stargate.chelsio.com ([67.207.112.58]:4797 "EHLO stargate3.asicdesigners.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933842AbbBDMoO (ORCPT ); Wed, 4 Feb 2015 07:44:14 -0500 Received: from silicon.asicdesigners.com (silicon.blr.asicdesigners.com [10.193.185.90]) by stargate3.asicdesigners.com (8.13.8/8.13.8) with ESMTP id t14Cg4Ua027993; Wed, 4 Feb 2015 04:42:14 -0800 From: Hariprasad Shenai To: netdev@vger.kernel.org Cc: davem@davemloft.net, ben@decadent.org.uk, leedom@chelsio.com, anish@chelsio.com, nirranjan@chelsio.com, kumaras@chelsio.com, Hariprasad Shenai Subject: [PATCH net-next 2/3] cxgb4: Add support in cxgb4 to get expansion rom version via ethtool Date: Wed, 4 Feb 2015 18:19:35 +0530 Message-Id: <1423054176-26420-3-git-send-email-hariprasad@chelsio.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1423054176-26420-1-git-send-email-hariprasad@chelsio.com> References: <1423054176-26420-1-git-send-email-hariprasad@chelsio.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add support to get option/expansion rom version flashed in the adapter via ethtool getdrvinfo function. Signed-off-by: Hariprasad Shenai --- drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 1 + drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 9 +++++ drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 37 +++++++++++++++++++++++ drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h | 8 +++++ 4 files changed, 55 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 55019c9..63231bf 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -1120,6 +1120,7 @@ int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, unsigned int t4_flash_cfg_addr(struct adapter *adapter); int t4_get_fw_version(struct adapter *adapter, u32 *vers); int t4_get_tp_version(struct adapter *adapter, u32 *vers); +int t4_get_exprom_version(struct adapter *adapter, u32 *vers); int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, const u8 *fw_data, unsigned int fw_size, struct fw_hdr *card_fw, enum dev_state state, int *reset); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 041742b..16639c7 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -1419,6 +1419,7 @@ static int get_eeprom_len(struct net_device *dev) static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct adapter *adapter = netdev2adap(dev); + u32 exprom_vers; strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); strlcpy(info->version, DRV_VERSION, sizeof(info->version)); @@ -1436,6 +1437,14 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) FW_HDR_FW_VER_MINOR_G(adapter->params.tp_vers), FW_HDR_FW_VER_MICRO_G(adapter->params.tp_vers), FW_HDR_FW_VER_BUILD_G(adapter->params.tp_vers)); + + if (!t4_get_exprom_version(adapter, &exprom_vers)) + snprintf(info->erom_version, sizeof(info->erom_version), + "%u.%u.%u.%u", + FW_HDR_FW_VER_MAJOR_G(exprom_vers), + FW_HDR_FW_VER_MINOR_G(exprom_vers), + FW_HDR_FW_VER_MICRO_G(exprom_vers), + FW_HDR_FW_VER_BUILD_G(exprom_vers)); } static void get_strings(struct net_device *dev, u32 stringset, u8 *data) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index ea16c62..ae69796 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -948,6 +948,43 @@ int t4_get_tp_version(struct adapter *adapter, u32 *vers) 1, vers, 0); } +/** + * t4_get_exprom_version - return the Expansion ROM version (if any) + * @adapter: the adapter + * @vers: where to place the version + * + * Reads the Expansion ROM header from FLASH and returns the version + * number (if present) through the @vers return value pointer. We return + * this in the Firmware Version Format since it's convenient. Return + * 0 on success, -ENOENT if no Expansion ROM is present. + */ +int t4_get_exprom_version(struct adapter *adap, u32 *vers) +{ + struct exprom_header { + unsigned char hdr_arr[16]; /* must start with 0x55aa */ + unsigned char hdr_ver[4]; /* Expansion ROM version */ + } *hdr; + u32 exprom_header_buf[DIV_ROUND_UP(sizeof(struct exprom_header), + sizeof(u32))]; + int ret; + + ret = t4_read_flash(adap, FLASH_EXP_ROM_START, + ARRAY_SIZE(exprom_header_buf), exprom_header_buf, + 0); + if (ret) + return ret; + + hdr = (struct exprom_header *)exprom_header_buf; + if (hdr->hdr_arr[0] != 0x55 || hdr->hdr_arr[1] != 0xaa) + return -ENOENT; + + *vers = (FW_HDR_FW_VER_MAJOR_V(hdr->hdr_ver[0]) | + FW_HDR_FW_VER_MINOR_V(hdr->hdr_ver[1]) | + FW_HDR_FW_VER_MICRO_V(hdr->hdr_ver[2]) | + FW_HDR_FW_VER_BUILD_V(hdr->hdr_ver[3])); + return 0; +} + /* Is the given firmware API compatible with the one the driver was compiled * with? */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h index 1e72cda..c009627 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h @@ -3012,21 +3012,29 @@ enum fw_hdr_chip { #define FW_HDR_FW_VER_MAJOR_S 24 #define FW_HDR_FW_VER_MAJOR_M 0xff +#define FW_HDR_FW_VER_MAJOR_V(x) \ + ((x) << FW_HDR_FW_VER_MAJOR_S) #define FW_HDR_FW_VER_MAJOR_G(x) \ (((x) >> FW_HDR_FW_VER_MAJOR_S) & FW_HDR_FW_VER_MAJOR_M) #define FW_HDR_FW_VER_MINOR_S 16 #define FW_HDR_FW_VER_MINOR_M 0xff +#define FW_HDR_FW_VER_MINOR_V(x) \ + ((x) << FW_HDR_FW_VER_MINOR_S) #define FW_HDR_FW_VER_MINOR_G(x) \ (((x) >> FW_HDR_FW_VER_MINOR_S) & FW_HDR_FW_VER_MINOR_M) #define FW_HDR_FW_VER_MICRO_S 8 #define FW_HDR_FW_VER_MICRO_M 0xff +#define FW_HDR_FW_VER_MICRO_V(x) \ + ((x) << FW_HDR_FW_VER_MICRO_S) #define FW_HDR_FW_VER_MICRO_G(x) \ (((x) >> FW_HDR_FW_VER_MICRO_S) & FW_HDR_FW_VER_MICRO_M) #define FW_HDR_FW_VER_BUILD_S 0 #define FW_HDR_FW_VER_BUILD_M 0xff +#define FW_HDR_FW_VER_BUILD_V(x) \ + ((x) << FW_HDR_FW_VER_BUILD_S) #define FW_HDR_FW_VER_BUILD_G(x) \ (((x) >> FW_HDR_FW_VER_BUILD_S) & FW_HDR_FW_VER_BUILD_M)