From patchwork Fri Aug 14 14:52:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 507439 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id E63BD1401AB for ; Sat, 15 Aug 2015 01:05:13 +1000 (AEST) Received: from localhost ([::1]:46711 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZQGXf-00005t-Qv for incoming@patchwork.ozlabs.org; Fri, 14 Aug 2015 11:05:11 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51742) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZQGSA-0006QH-Bf for qemu-devel@nongnu.org; Fri, 14 Aug 2015 10:59:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZQGS7-0005qw-Hu for qemu-devel@nongnu.org; Fri, 14 Aug 2015 10:59:30 -0400 Received: from mga01.intel.com ([192.55.52.88]:47304) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZQGS7-0005qR-7S for qemu-devel@nongnu.org; Fri, 14 Aug 2015 10:59:27 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP; 14 Aug 2015 07:59:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,678,1432623600"; d="scan'208";a="748633514" Received: from xiao.sh.intel.com ([10.239.159.86]) by orsmga001.jf.intel.com with ESMTP; 14 Aug 2015 07:58:41 -0700 From: Xiao Guangrong To: pbonzini@redhat.com, imammedo@redhat.com Date: Fri, 14 Aug 2015 22:52:09 +0800 Message-Id: <1439563931-12352-17-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1439563931-12352-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1439563931-12352-1-git-send-email-guangrong.xiao@linux.intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.88 Cc: Xiao Guangrong , ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, gleb@kernel.org, mtosatti@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, rth@twiddle.net Subject: [Qemu-devel] [PATCH v2 16/18] nvdimm: support NFIT_CMD_GET_CONFIG_DATA X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Function 5 is used to get Namespace Label Data Signed-off-by: Xiao Guangrong --- hw/mem/nvdimm/acpi.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/hw/mem/nvdimm/acpi.c b/hw/mem/nvdimm/acpi.c index 0a5f2c2..517d710 100644 --- a/hw/mem/nvdimm/acpi.c +++ b/hw/mem/nvdimm/acpi.c @@ -352,6 +352,7 @@ struct dsm_buffer { uint32_t arg1; uint32_t arg2; union { + struct cmd_in_get_config_data cmd_config_get; struct cmd_in_set_config_data cmd_config_set; char arg3[PAGE_SIZE - 3 * sizeof(uint32_t) - 16 * sizeof(uint8_t)]; }; @@ -454,6 +455,34 @@ dsm_cmd_config_size(PCNVDIMMDevice *nvdimm, struct dsm_buffer *in, return NFIT_STATUS_SUCCESS; } +static uint32_t +dsm_cmd_config_get(PCNVDIMMDevice *nvdimm, struct dsm_buffer *in, + struct dsm_out *out) +{ + struct cmd_in_get_config_data *cmd_in = &in->cmd_config_get; + uint32_t status; + + le32_to_cpus(&cmd_in->length); + le32_to_cpus(&cmd_in->offset); + + nvdebug("Read Config: offset %#x length %#x.\n", cmd_in->offset, + cmd_in->length); + + if (nvdimm->config_data_size < cmd_in->length + cmd_in->offset) { + nvdebug("position %#x is beyond config data (len = %#lx).\n", + cmd_in->length + cmd_in->offset, nvdimm->config_data_size); + status = NFIT_STATUS_INVALID_PARAS; + goto exit; + } + + status = NFIT_STATUS_SUCCESS; + memcpy(out->cmd_config_get.out_buf, nvdimm->config_data_addr + + cmd_in->offset, cmd_in->length); + +exit: + return status; +} + static void dsm_write_nvdimm(struct dsm_buffer *in, struct dsm_out *out) { GSList *list = get_nvdimm_built_list(); @@ -478,6 +507,9 @@ static void dsm_write_nvdimm(struct dsm_buffer *in, struct dsm_out *out) case NFIT_CMD_GET_CONFIG_SIZE: status = dsm_cmd_config_size(nvdimm, in, out); break; + case NFIT_CMD_GET_CONFIG_DATA: + status = dsm_cmd_config_get(nvdimm, in, out); + break; default: status = NFIT_STATUS_NOT_SUPPORTED; };