From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 0DF979AF8 for ; Sun, 14 Feb 2016 09:55:18 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 14 Feb 2016 00:55:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,444,1449561600"; d="scan'208";a="914856873" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga002.fm.intel.com with ESMTP; 14 Feb 2016 00:55:18 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u1E8tGgJ030109; Sun, 14 Feb 2016 16:55:16 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id u1E8tEwW028605; Sun, 14 Feb 2016 16:55:16 +0800 Received: (from wenzhuol@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u1E8tEJn028601; Sun, 14 Feb 2016 16:55:14 +0800 From: Wenzhuo Lu To: dev@dpdk.org Date: Sun, 14 Feb 2016 16:54:58 +0800 Message-Id: <1455440106-28547-4-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1455440106-28547-1-git-send-email-wenzhuo.lu@intel.com> References: <1453171693-25571-1-git-send-email-wenzhuo.lu@intel.com> <1455440106-28547-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH v2 03/11] ixgbe/base: sw-firmware sync for resource sharing X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Feb 2016 08:55:19 -0000 Use the PHY token, shared between sw-fw for PHY access on X550EM_a. Signed-off-by: Wenzhuo Lu --- doc/guides/rel_notes/release_16_04.rst | 5 ++ drivers/net/ixgbe/base/ixgbe_x550.c | 114 +++++++++++++++++++++++++++++++++ drivers/net/ixgbe/base/ixgbe_x550.h | 2 + 3 files changed, 121 insertions(+) diff --git a/doc/guides/rel_notes/release_16_04.rst b/doc/guides/rel_notes/release_16_04.rst index 1e702b7..e8f256f 100644 --- a/doc/guides/rel_notes/release_16_04.rst +++ b/doc/guides/rel_notes/release_16_04.rst @@ -49,6 +49,11 @@ This section should contain new features added in this release. Sample format: Only x550em_x V1 was supported before. Now V2 is supported. A mask for V1 and V2 is defined and used to support both. +* **Added sw-firmware sync on X550EM_a.** + + Added support for sw-firmware sync for resource sharing. + Use the PHY token, shared between sw-fw for PHY access on X550EM_a. + Resolved Issues --------------- diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c index 456b029..83d9c81 100644 --- a/drivers/net/ixgbe/base/ixgbe_x550.c +++ b/drivers/net/ixgbe/base/ixgbe_x550.c @@ -39,6 +39,8 @@ POSSIBILITY OF SUCH DAMAGE. #include "ixgbe_phy.h" STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed); +static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *, u32 mask); +static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *, u32 mask); /** * ixgbe_init_ops_X550 - Inits func ptrs and MAC type @@ -442,6 +444,8 @@ s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw) if (hw->mac.type == ixgbe_mac_X550EM_a) { mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a; mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a; + mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a; + mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a; } mac->ops.get_media_type = ixgbe_get_media_type_X550em; @@ -921,6 +925,63 @@ out: } /** + * ixgbe_get_phy_token - Get the token for shared phy access + * @hw: Pointer to hardware structure + */ + +s32 ixgbe_get_phy_token(struct ixgbe_hw *hw) +{ + struct ixgbe_hic_phy_token_req token_cmd; + s32 status; + + token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD; + token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN; + token_cmd.hdr.cmd_or_resp.cmd_resv = 0; + token_cmd.port_number = hw->bus.lan_id; + token_cmd.command_type = FW_PHY_TOKEN_REQ; + token_cmd.pad = 0; + status = ixgbe_host_interface_command(hw, (u32 *)&token_cmd, + sizeof(token_cmd), + IXGBE_HI_COMMAND_TIMEOUT, + true); + if (status) + return status; + if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK) + return IXGBE_SUCCESS; + if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY) + return IXGBE_ERR_FW_RESP_INVALID; + + return IXGBE_ERR_TOKEN_RETRY; +} + +/** + * ixgbe_put_phy_token - Put the token for shared phy access + * @hw: Pointer to hardware structure + */ + +s32 ixgbe_put_phy_token(struct ixgbe_hw *hw) +{ + struct ixgbe_hic_phy_token_req token_cmd; + s32 status; + + token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD; + token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN; + token_cmd.hdr.cmd_or_resp.cmd_resv = 0; + token_cmd.port_number = hw->bus.lan_id; + token_cmd.command_type = FW_PHY_TOKEN_REL; + token_cmd.pad = 0; + status = ixgbe_host_interface_command(hw, (u32 *)&token_cmd, + sizeof(token_cmd), + IXGBE_HI_COMMAND_TIMEOUT, + true); + if (status) + return status; + if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK) + return IXGBE_SUCCESS; + return IXGBE_ERR_FW_RESP_INVALID; +} + +/** * ixgbe_write_iosf_sb_reg_x550a - Writes a value to specified register * of the IOSF device * @hw: pointer to hardware structure @@ -3080,6 +3141,59 @@ void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) } /** + * ixgbe_acquire_swfw_sync_X550a - Acquire SWFW semaphore + * @hw: pointer to hardware structure + * @mask: Mask to specify which semaphore to acquire + * + * Acquires the SWFW semaphore and get the shared phy token as needed + */ +static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) +{ + u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM; + int retries = FW_PHY_TOKEN_RETRIES; + s32 status = IXGBE_SUCCESS; + + DEBUGFUNC("ixgbe_acquire_swfw_sync_X550a"); + + while (--retries) { + if (hmask) + status = ixgbe_acquire_swfw_sync_X540(hw, hmask); + if (status) + break; + if (!(mask & IXGBE_GSSR_TOKEN_SM)) + break; + status = ixgbe_get_phy_token(hw); + if (status != IXGBE_ERR_TOKEN_RETRY) + break; + if (hmask) + ixgbe_release_swfw_sync_X540(hw, hmask); + msec_delay(FW_PHY_TOKEN_DELAY); + } + + return status; +} + +/** + * ixgbe_release_swfw_sync_X550a - Release SWFW semaphore + * @hw: pointer to hardware structure + * @mask: Mask to specify which semaphore to release + * + * Releases the SWFW semaphore and puts the shared phy token as needed + */ +static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) +{ + u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM; + + DEBUGFUNC("ixgbe_release_swfw_sync_X550a"); + + if (mask & IXGBE_GSSR_TOKEN_SM) + ixgbe_put_phy_token(hw); + + if (hmask) + ixgbe_release_swfw_sync_X540(hw, hmask); +} + +/** * ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt * @hw: pointer to hardware structure * diff --git a/drivers/net/ixgbe/base/ixgbe_x550.h b/drivers/net/ixgbe/base/ixgbe_x550.h index 47efa7c..a8c0a67 100644 --- a/drivers/net/ixgbe/base/ixgbe_x550.h +++ b/drivers/net/ixgbe/base/ixgbe_x550.h @@ -69,6 +69,8 @@ s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u32 data); s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u32 *data); +s32 ixgbe_get_phy_token(struct ixgbe_hw *); +s32 ixgbe_put_phy_token(struct ixgbe_hw *); s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u32 data); s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, -- 1.9.3