From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mgwym04.jp.fujitsu.com (mgwym04.jp.fujitsu.com [211.128.242.43]) (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 AF1F821D28FC2 for ; Fri, 4 Aug 2017 02:08:33 -0700 (PDT) Received: from m3051.s.css.fujitsu.com (m3051.s.css.fujitsu.com [10.134.21.209]) by yt-mxoi2.gw.nic.fujitsu.com (Postfix) with ESMTP id A0378AC0178 for ; Fri, 4 Aug 2017 18:10:37 +0900 (JST) Date: Fri, 04 Aug 2017 18:10:34 +0900 From: Yasunori Goto Subject: [RFC/Patch 3/5] nfit_test supports Translate SPA In-Reply-To: <20170804180231.27BC.E1E9C6FF@jp.fujitsu.com> References: <20170804180231.27BC.E1E9C6FF@jp.fujitsu.com> Message-Id: <20170804181032.27C7.E1E9C6FF@jp.fujitsu.com> MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: NVDIMM-ML List-ID: nfit_test supports Translate SPA To test interface of Translate SPA, nfit_test must emulate it. This test module searches region which includes spa and returns only 1 dimm handle which is last one currently. Signed-off-by: Yasunori Goto --- drivers/nvdimm/region_devs.c | 1 + tools/testing/nvdimm/test/nfit.c | 80 +++++++++++++++++++++++++++++++++++++++- 2 files changed, 80 insertions(+), 1 deletion(-) diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index 5954cfb..3c8cc7f 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -162,6 +162,7 @@ bool is_nd_pmem(struct device *dev) { return dev ? dev->type == &nd_pmem_device_type : false; } +EXPORT_SYMBOL_GPL(is_nd_pmem); bool is_nd_blk(struct device *dev) { diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 4c2fa98..09dcdf5 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -342,6 +342,78 @@ 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 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_nd_pmem(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_trans_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_trans_spa *spa, + unsigned int buf_len) +{ + + if (buf_len < spa->trans_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 = { @@ -468,6 +540,9 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, case ND_CMD_CLEAR_ERROR: rc = nfit_test_cmd_clear_error(buf, buf_len, cmd_rc); break; + case ND_CMD_TRANS_SPA: + rc = nfit_test_cmd_translate_spa(acpi_desc->nvdimm_bus, buf, buf_len); + break; default: return -ENOTTY; } @@ -1430,6 +1505,7 @@ 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_TRANS_SPA, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_SMART_THRESHOLD, &acpi_desc->dimm_cmd_force_en); } @@ -1527,6 +1603,7 @@ static void nfit_test1_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_TRANS_SPA, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_cmd_force_en); set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en); set_bit(ND_CMD_SET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en); @@ -1616,7 +1693,8 @@ 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_TRANS_SPA, .module = THIS_MODULE, .provider_name = "ACPI.NFIT", .ndctl = acpi_nfit_ctl, _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm