From patchwork Sat Sep 30 01:39:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9979015 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id AACC760311 for ; Sat, 30 Sep 2017 02:01:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 98EDA298AA for ; Sat, 30 Sep 2017 02:01:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8DA49298C5; Sat, 30 Sep 2017 02:01:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 068D9298AA for ; Sat, 30 Sep 2017 02:01:34 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dy73x-0004Y6-MS; Sat, 30 Sep 2017 01:59:29 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dy73v-0004WZ-R7 for xen-devel@lists.xenproject.org; Sat, 30 Sep 2017 01:59:27 +0000 Received: from [193.109.254.147] by server-11.bemta-6.messagelabs.com id A7/30-03616-F7AFEC95; Sat, 30 Sep 2017 01:59:27 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrHIsWRWlGSWpSXmKPExsXS1taRolv361y kQeMfEYvvWyYzOTB6HP5whSWAMYo1My8pvyKBNWPGaY6CRzoVX6Y0sjUwnlbsYuTkEBKokFjx 5SwLiC0hwCtxZNkMVgg7QKJ15xwgmwuopoFRYvWmf2BFbALqEo+/9jCB2CICShL3Vk0Gs5kFr jNK9MyNBbGFBWIl5h7YBDaIRUBVYmrbAsYuRg4OXgEPictrNCHmy0mcPDYZrIQTKHytp4kN4h 53iSstaxlBbF4BQYmTM5+wgLQyA61dP08IYpO8RPPW2cwTGAVmIamahVA1C0nVAkbmVYwaxal FZalFukZGeklFmekZJbmJmTm6hgZmermpxcWJ6ak5iUnFesn5uZsYgWHJAAQ7GNfMDzzEKMnB pCTKu/zbuUghvqT8lMqMxOKM+KLSnNTiQ4wyHBxKErwRP4FygkWp6akVaZk5wAiBSUtw8CiJ8 NqCpHmLCxJzizPTIVKnGHU5Om7e/cMkxJKXn5cqJc5bAFIkAFKUUZoHNwIWrZcYZaWEeRmBjh LiKUgtys0sQZV/xSjOwagkzFsLMoUnM68EbtMroCOYgI6YPPEMyBEliQgpqQbGzM2yW1y3yCU H6c1f4c/zuPKdS+6L5ddXl//66vG6m8dV98/C6Zuen11i/TFjEcurouydXlwd7UyzDoRYcrb+ m9a4avMlrczlSsaWT296zra4N+XYIfPJn3blz+9t1bvRt1tdZ8qOhgaWZfdWc0xq1W89o9IQM e8tQ5u83O6fW/ZlvPqpPkO/WImlOCPRUIu5qDgRANm3y+HRAgAA X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1506736764!66398328!1 X-Originating-IP: [134.134.136.100] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 35714 invoked from network); 30 Sep 2017 01:59:25 -0000 Received: from mga07.intel.com (HELO mga07.intel.com) (134.134.136.100) by server-15.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 30 Sep 2017 01:59:25 -0000 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP; 29 Sep 2017 18:59:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.42,455,1500966000"; d="scan'208"; a="1020039062" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.75]) by orsmga003.jf.intel.com with ESMTP; 29 Sep 2017 18:59:21 -0700 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Sat, 30 Sep 2017 09:39:19 +0800 Message-Id: <1506735566-5706-10-git-send-email-yi.y.sun@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1506735566-5706-1-git-send-email-yi.y.sun@linux.intel.com> References: <1506735566-5706-1-git-send-email-yi.y.sun@linux.intel.com> MIME-Version: 1.0 Cc: Wei Liu , Chao Peng , Yi Sun , Ian Jackson , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [Xen-devel] [PATCH v5 09/16] tools: create general interfaces to support psr allocation features X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch creates general interfaces in libxl to support all psr allocation features. Add 'LIBXL_HAVE_PSR_GENERIC' to indicate interface change. Please note, the functionality cannot work until later patches are applied. Signed-off-by: Yi Sun Acked-by: Wei Liu Reviewed-by: Roger Pau Monné --- CC: Wei Liu CC: Ian Jackson CC: Roger Pau Monné CC: Chao Peng v5: - adjust parameters position in 'libxl_psr_get_hw_info'. (suggested by Roger Pau Monné) v4: - add description for LIBXL_HAVE_PSR_GENERIC to mention newly added public functions. (suggested by Roger Pau Monné) v3: - change 'LIBXL_HAVE_PSR_MBA' to 'LIBXL_HAVE_PSR_GENERIC'. (suggested by Roger Pau Monné) - 'typedef enum libxl_psr_cbm_type libxl_psr_type;' in libxl.h. (suggested by Roger Pau Monné and Wei Liu) - change 'libxl_psr_cbm_type' to 'libxl_psr_type' in newly defined interfaces. (suggested by Roger Pau Monné) v2: - remove '_INFO' in 'libxl_psr_feat_type' and make corresponding changes in 'libxl_psr_hw_info'. (suggested by Chao Peng) --- tools/libxl/libxl.h | 37 +++++++++++++++++++++++++++++++++++++ tools/libxl/libxl_psr.c | 25 +++++++++++++++++++++++++ tools/libxl/libxl_types.idl | 22 ++++++++++++++++++++++ 3 files changed, 84 insertions(+) diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h index 91408b4..69efcfc 100644 --- a/tools/libxl/libxl.h +++ b/tools/libxl/libxl.h @@ -936,6 +936,17 @@ void libxl_mac_copy(libxl_ctx *ctx, libxl_mac *dst, const libxl_mac *src); #define LIBXL_HAVE_PSR_L2_CAT 1 /* + * LIBXL_HAVE_PSR_GENERIC + * + * If this is defined, the Memory Bandwidth Allocation feature is supported. + * The following public functions are available: + * libxl_psr_{set/get}_val + * libxl_psr_get_hw_info + * libxl_psr_hw_info_list_free + */ +#define LIBXL_HAVE_PSR_GENERIC 1 + +/* * LIBXL_HAVE_MCA_CAPS * * If this is defined, setting MCA capabilities for HVM domain is supported. @@ -2228,6 +2239,32 @@ int libxl_psr_cat_get_info(libxl_ctx *ctx, libxl_psr_cat_info **info, int libxl_psr_cat_get_l3_info(libxl_ctx *ctx, libxl_psr_cat_info **info, int *nr); void libxl_psr_cat_info_list_free(libxl_psr_cat_info *list, int nr); + +typedef enum libxl_psr_cbm_type libxl_psr_type; + +/* + * Function to set a domain's value. It operates on a single or multiple + * target(s) defined in 'target_map'. 'target_map' specifies all the sockets + * to be operated on. + */ +int libxl_psr_set_val(libxl_ctx *ctx, uint32_t domid, + libxl_psr_type type, libxl_bitmap *target_map, + uint64_t val); +/* + * Function to get a domain's cbm. It operates on a single 'target'. + * 'target' specifies which socket to be operated on. + */ +int libxl_psr_get_val(libxl_ctx *ctx, uint32_t domid, + libxl_psr_type type, unsigned int target, + uint64_t *val); +/* + * On success, the function returns an array of elements in 'info', + * and the length in 'nr'. + */ +int libxl_psr_get_hw_info(libxl_ctx *ctx, libxl_psr_feat_type type, + unsigned int lvl, unsigned int *nr, + libxl_psr_hw_info **info); +void libxl_psr_hw_info_list_free(libxl_psr_hw_info *list, unsigned int nr); #endif /* misc */ diff --git a/tools/libxl/libxl_psr.c b/tools/libxl/libxl_psr.c index 197505a..d4f5f67 100644 --- a/tools/libxl/libxl_psr.c +++ b/tools/libxl/libxl_psr.c @@ -428,6 +428,31 @@ void libxl_psr_cat_info_list_free(libxl_psr_cat_info *list, int nr) free(list); } +int libxl_psr_set_val(libxl_ctx *ctx, uint32_t domid, + libxl_psr_type type, libxl_bitmap *target_map, + uint64_t val) +{ + return ERROR_FAIL; +} + +int libxl_psr_get_val(libxl_ctx *ctx, uint32_t domid, + libxl_psr_type type, unsigned int target, + uint64_t *val) +{ + return ERROR_FAIL; +} + +int libxl_psr_get_hw_info(libxl_ctx *ctx, libxl_psr_feat_type type, + unsigned int lvl, unsigned int *nr, + libxl_psr_hw_info **info) +{ + return ERROR_FAIL; +} + +void libxl_psr_hw_info_list_free(libxl_psr_hw_info *list, unsigned int nr) +{ +} + /* * Local variables: * mode: C diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl index 173d70a..cfe8367 100644 --- a/tools/libxl/libxl_types.idl +++ b/tools/libxl/libxl_types.idl @@ -977,6 +977,7 @@ libxl_psr_cbm_type = Enumeration("psr_cbm_type", [ (2, "L3_CBM_CODE"), (3, "L3_CBM_DATA"), (4, "L2_CBM"), + (5, "MBA_THRTL"), ]) libxl_psr_cat_info = Struct("psr_cat_info", [ @@ -985,3 +986,24 @@ libxl_psr_cat_info = Struct("psr_cat_info", [ ("cbm_len", uint32), ("cdp_enabled", bool), ]) + +libxl_psr_feat_type = Enumeration("psr_feat_type", [ + (1, "CAT"), + (2, "MBA"), + ]) + +libxl_psr_hw_info = Struct("psr_hw_info", [ + ("id", uint32), + ("u", KeyedUnion(None, libxl_psr_feat_type, "type", + [("cat", Struct(None, [ + ("cos_max", uint32), + ("cbm_len", uint32), + ("cdp_enabled", bool), + ])), + ("mba", Struct(None, [ + ("cos_max", uint32), + ("thrtl_max", uint32), + ("linear", bool), + ])), + ])) + ], dir=DIR_OUT)