From patchwork Thu Aug 31 01:42:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?R290b3UsIFlhc3Vub3JpL+S6lOWztiDlurfmloc=?= X-Patchwork-Id: 9931047 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 78E57602F0 for ; Thu, 31 Aug 2017 01:43:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A9022880A for ; Thu, 31 Aug 2017 01:43:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5F6FB28815; Thu, 31 Aug 2017 01:43:01 +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=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B70C52880A for ; Thu, 31 Aug 2017 01:43:00 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 8208121EB5268; Wed, 30 Aug 2017 18:41:45 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received: from mgwym03.jp.fujitsu.com (mgwym03.jp.fujitsu.com [211.128.242.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 921DA21EB5265 for ; Wed, 30 Aug 2017 18:41:43 -0700 (PDT) Received: from yt-mxq.gw.nic.fujitsu.com (unknown [192.168.229.66]) by mgwym03.jp.fujitsu.com with smtp id 61f3_88af_72ef8884_5264_4f21_9986_265559ce410c; Thu, 31 Aug 2017 10:42:54 +0900 Received: from m3051.s.css.fujitsu.com (m3051.s.css.fujitsu.com [10.134.21.209]) by yt-mxq.gw.nic.fujitsu.com (Postfix) with ESMTP id 9D980AC00D4 for ; Thu, 31 Aug 2017 10:42:53 +0900 (JST) X-SecurityPolicyCheck: OK by SHieldMailChecker v2.5.2 X-SHieldMailCheckerPolicyVersion: FJ-ISEC-20170217-enc X-SHieldMailCheckerMailID: 87217b3d7f214bafb95f0302665bb586 Date: Thu, 31 Aug 2017 10:42:40 +0900 From: Yasunori Goto To: NVDIMM-ML Subject: [PATCH v3 3/3] acpi nfit: nfit_test supports translate SPA In-Reply-To: <20170831103238.DA41.E1E9C6FF@jp.fujitsu.com> References: <20170831103238.DA41.E1E9C6FF@jp.fujitsu.com> Message-Id: <20170831104237.DA50.E1E9C6FF@jp.fujitsu.com> MIME-Version: 1.0 X-Mailer: Becky! ver. 2.73 [ja] X-TM-AS-MML: disable X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP nfit_test supports translate SPA To test ndctl list which use interface of Translate SPA, nfit_test needs to emulates it. This test module searches region which includes SPA and returns 1 dimm handle which is last one. Signed-off-by: Yasunori Goto --- tools/testing/nvdimm/test/nfit.c | 104 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 103 insertions(+), 1 deletion(-) diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 4c2fa98..cf15f42 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -342,6 +342,84 @@ static int nfit_test_cmd_clear_error(struct nd_cmd_clear_error *clear_err, return 0; } +struct region_search_spa{ + u64 addr; + struct nd_region *region; +}; + +static int is_region_device(struct device *dev) + +{ + return !strncmp(dev->kobj.name, "region", 6); +} + +static int nfit_test_search_region_spa(struct device *dev, void *data) +{ + struct region_search_spa *ctx = data; + struct nd_region *nd_region; + resource_size_t ndr_end; + + if (!is_region_device(dev)) + return 0; + + nd_region = to_nd_region(dev); + ndr_end = nd_region->ndr_start + nd_region->ndr_size; + + if (ctx->addr >= nd_region->ndr_start && ctx->addr < ndr_end) { + ctx->region = nd_region; + return 1; + } + + return 0; +} + +static int nfit_test_search_spa(struct nvdimm_bus *bus, struct nd_cmd_translate_spa *spa) +{ + int ret; + struct nd_region *nd_region = NULL; + struct nvdimm *nvdimm = NULL; + struct nd_mapping *nd_mapping = NULL; + struct region_search_spa ctx = { + .addr = spa->spa, + .region = NULL, + }; + u64 dpa; + + ret = device_for_each_child(&bus->dev, &ctx, nfit_test_search_region_spa); + + if (!ret) + return -ENODEV; + + nd_region = ctx.region; + + dpa = ctx.addr - nd_region->ndr_start; + + /* + * last dimm is selected for test + */ + nd_mapping = &nd_region->mapping[nd_region->ndr_mappings - 1]; + nvdimm = nd_mapping->nvdimm; + + spa->devices[0].nfit_device_handle = handle[nvdimm->id]; + spa->num_nvdimms = 1; + spa->devices[0].dpa = dpa; + + return 0; +} + +static int nfit_test_cmd_translate_spa(struct nvdimm_bus *bus, struct nd_cmd_translate_spa *spa, + unsigned int buf_len) +{ + + if (buf_len < spa->translate_length) + return -EINVAL; + + if (nfit_test_search_spa(bus, spa) < 0|| !spa->num_nvdimms) + spa->status = 2; + + return 0; +} + static int nfit_test_cmd_smart(struct nd_cmd_smart *smart, unsigned int buf_len) { static const struct nd_smart_payload smart_data = { @@ -449,6 +527,26 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, } } else { struct ars_state *ars_state = &t->ars_state; + struct nd_cmd_pkg *call_pkg = buf; + + if (!nd_desc) + return -ENOTTY; + + if (cmd == ND_CMD_CALL) { + func = call_pkg->nd_command; + + buf_len = call_pkg->nd_size_in + call_pkg->nd_size_out; + buf = (void *) call_pkg->nd_payload; + + switch (func) { + case NFIT_CMD_TRANSLATE_SPA: + rc = nfit_test_cmd_translate_spa(acpi_desc->nvdimm_bus, + buf, buf_len); + return rc; + default: + return -ENOTTY; + } + } if (!nd_desc || !test_bit(cmd, &nd_desc->cmd_mask)) return -ENOTTY; @@ -1430,7 +1528,9 @@ static void nfit_test0_setup(struct nfit_test *t) set_bit(ND_CMD_ARS_START, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_cmd_force_en); + set_bit(ND_CMD_CALL, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_SMART_THRESHOLD, &acpi_desc->dimm_cmd_force_en); + set_bit(NFIT_CMD_TRANSLATE_SPA, &acpi_desc->bus_passthru_cmd_force_en); } static void nfit_test1_setup(struct nfit_test *t) @@ -1616,10 +1716,12 @@ static int nfit_ctl_test(struct device *dev) .cmd_mask = 1UL << ND_CMD_ARS_CAP | 1UL << ND_CMD_ARS_START | 1UL << ND_CMD_ARS_STATUS - | 1UL << ND_CMD_CLEAR_ERROR, + | 1UL << ND_CMD_CLEAR_ERROR + | 1UL << ND_CMD_CALL, .module = THIS_MODULE, .provider_name = "ACPI.NFIT", .ndctl = acpi_nfit_ctl, + .bus_dsm_mask = 1UL << NFIT_CMD_TRANSLATE_SPA, }, .dev = &adev->dev, };