From patchwork Thu Nov 2 07:19:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Marussi X-Patchwork-Id: 13443441 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3487CC4332F for ; Thu, 2 Nov 2023 07:20:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3pkbD94EquW9SFq2z1b4cgINA3H9OHfG/xWUzIUQQ/I=; b=QSRYEK9DPtKGlq nqQCBxBgdOiQX16/lNYWlQNg4Hzfi1HaftttlmwFo47b9kINMYY7EhKZoNS3ClmR1/WIslu6d2CI/ 796cFN8A4TZoa09Zt+K99N03jepKoSVpbe7OKXRHT0HojntmX2NVfKFD+JLS7xR7UxRjfxIfWrqA8 0+APmnUf+fJUrefAfBOsMPNTLldYCr0BRZOm9fwfNQ29y4WWgV6MBEdnHsfOtf3dWFDurii9BHx9U S9F44jbWPqGZdWQ1GftaoqmRfI3aaFb/dBK/ID4rrE7qaE3JiotrSiM/RBkADCEFxUFJGaw5TdLsj cGa5anL+WoQHWwqDCATg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qyS01-008sxp-14; Thu, 02 Nov 2023 07:20:17 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qyRzt-008swv-31 for linux-arm-kernel@lists.infradead.org; Thu, 02 Nov 2023 07:20:15 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id CDA0E2F4; Thu, 2 Nov 2023 00:20:47 -0700 (PDT) Received: from pluto.fritz.box (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E119A3F64C; Thu, 2 Nov 2023 00:20:04 -0700 (PDT) From: Cristian Marussi To: Oleksii_Moisieiev@epam.com Cc: cristian.marussi@arm.com, sudeep.holla@arm.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH] firmware: arm_scmi: Add optional flags to extended names helper Date: Thu, 2 Nov 2023 07:19:45 +0000 Message-ID: <20231102071945.3594116-1-cristian.marussi@arm.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <318eb79c7e1ddb1f964a901e778a0475bf18c85b.1698353854.git.oleksii_moisieiev@epam.com> References: <318eb79c7e1ddb1f964a901e778a0475bf18c85b.1698353854.git.oleksii_moisieiev@epam.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231102_002010_066714_2C41FCEC X-CRM114-Status: GOOD ( 14.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some recently added SCMI protocols needs an additional flags parameter to be able to properly configure the command used to query the extended name of a resource. Signed-off-by: Cristian Marussi --- drivers/firmware/arm_scmi/clock.c | 2 +- drivers/firmware/arm_scmi/driver.c | 12 ++++++++---- drivers/firmware/arm_scmi/perf.c | 2 +- drivers/firmware/arm_scmi/power.c | 2 +- drivers/firmware/arm_scmi/powercap.c | 2 +- drivers/firmware/arm_scmi/protocols.h | 3 ++- drivers/firmware/arm_scmi/reset.c | 3 ++- drivers/firmware/arm_scmi/sensors.c | 2 +- drivers/firmware/arm_scmi/voltage.c | 2 +- 9 files changed, 18 insertions(+), 12 deletions(-) diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 96060bf90a24..e6e087686e8c 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -169,7 +169,7 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x2) { if (SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, CLOCK_NAME_GET, clk_id, - clk->name, + NULL, clk->name, SCMI_MAX_STR_SIZE); if (SUPPORTS_RATE_CHANGED_NOTIF(attributes)) diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 87383c05424b..7c7545dea8c6 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -1438,6 +1438,7 @@ struct scmi_msg_resp_domain_name_get { * @ph: A protocol handle reference. * @cmd_id: The specific command ID to use. * @res_id: The specific resource ID to use. + * @flags: A pointer to specific flags to use, if any. * @name: A pointer to the preallocated area where the retrieved name will be * stored as a NULL terminated string. * @len: The len in bytes of the @name char array. @@ -1445,19 +1446,22 @@ struct scmi_msg_resp_domain_name_get { * Return: 0 on Succcess */ static int scmi_common_extended_name_get(const struct scmi_protocol_handle *ph, - u8 cmd_id, u32 res_id, char *name, - size_t len) + u8 cmd_id, u32 res_id, u32 *flags, + char *name, size_t len) { int ret; + size_t txlen; struct scmi_xfer *t; struct scmi_msg_resp_domain_name_get *resp; - ret = ph->xops->xfer_get_init(ph, cmd_id, sizeof(res_id), - sizeof(*resp), &t); + txlen = !flags ? sizeof(res_id) : sizeof(res_id) + sizeof(*flags); + ret = ph->xops->xfer_get_init(ph, cmd_id, txlen, sizeof(*resp), &t); if (ret) goto out; put_unaligned_le32(res_id, t->tx.buf); + if (flags) + put_unaligned_le32(*flags, t->tx.buf + sizeof(res_id)); resp = t->rx.buf; ret = ph->xops->do_xfer(ph, t); diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index c0cd556fbaae..0902b32dcecd 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -288,7 +288,7 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(flags)) ph->hops->extended_name_get(ph, PERF_DOMAIN_NAME_GET, - dom_info->id, dom_info->name, + dom_info->id, NULL, dom_info->name, SCMI_MAX_STR_SIZE); if (dom_info->level_indexing_mode) { diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c index 356e83631664..077767d6e902 100644 --- a/drivers/firmware/arm_scmi/power.c +++ b/drivers/firmware/arm_scmi/power.c @@ -133,7 +133,7 @@ scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(flags)) { ph->hops->extended_name_get(ph, POWER_DOMAIN_NAME_GET, - domain, dom_info->name, + domain, NULL, dom_info->name, SCMI_MAX_STR_SIZE); } diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_scmi/powercap.c index 244929cb4f3e..86c9a0b5a765 100644 --- a/drivers/firmware/arm_scmi/powercap.c +++ b/drivers/firmware/arm_scmi/powercap.c @@ -270,7 +270,7 @@ scmi_powercap_domain_attributes_get(const struct scmi_protocol_handle *ph, */ if (!ret && SUPPORTS_EXTENDED_NAMES(flags)) ph->hops->extended_name_get(ph, POWERCAP_DOMAIN_NAME_GET, - domain, dom_info->name, + domain, NULL, dom_info->name, SCMI_MAX_STR_SIZE); return ret; diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index 78e1a01eb656..b3c6314bb4b8 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -256,7 +256,8 @@ struct scmi_fc_info { */ struct scmi_proto_helpers_ops { int (*extended_name_get)(const struct scmi_protocol_handle *ph, - u8 cmd_id, u32 res_id, char *name, size_t len); + u8 cmd_id, u32 res_id, u32 *flags, char *name, + size_t len); void *(*iter_response_init)(const struct scmi_protocol_handle *ph, struct scmi_iterator_ops *ops, unsigned int max_resources, u8 msg_id, diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c index e9afa8cab730..7217fd7c6afa 100644 --- a/drivers/firmware/arm_scmi/reset.c +++ b/drivers/firmware/arm_scmi/reset.c @@ -128,7 +128,8 @@ scmi_reset_domain_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, RESET_DOMAIN_NAME_GET, domain, - dom_info->name, SCMI_MAX_STR_SIZE); + NULL, dom_info->name, + SCMI_MAX_STR_SIZE); return ret; } diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c index 0b5853fa9d87..9952a7bc6682 100644 --- a/drivers/firmware/arm_scmi/sensors.c +++ b/drivers/firmware/arm_scmi/sensors.c @@ -644,7 +644,7 @@ iter_sens_descr_process_response(const struct scmi_protocol_handle *ph, if (PROTOCOL_REV_MAJOR(si->version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(attrl)) ph->hops->extended_name_get(ph, SENSOR_NAME_GET, s->id, - s->name, SCMI_MAX_STR_SIZE); + NULL, s->name, SCMI_MAX_STR_SIZE); if (s->extended_scalar_attrs) { s->sensor_power = le32_to_cpu(sdesc->power); diff --git a/drivers/firmware/arm_scmi/voltage.c b/drivers/firmware/arm_scmi/voltage.c index eaa8d944926a..36e2df77738c 100644 --- a/drivers/firmware/arm_scmi/voltage.c +++ b/drivers/firmware/arm_scmi/voltage.c @@ -242,7 +242,7 @@ static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph, if (SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, VOLTAGE_DOMAIN_NAME_GET, - v->id, v->name, + v->id, NULL, v->name, SCMI_MAX_STR_SIZE); if (SUPPORTS_ASYNC_LEVEL_SET(attributes)) v->async_level_set = true;