From patchwork Mon Nov 21 14:00:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 13051019 X-Patchwork-Delegate: kvalo@adurom.com 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63D6FC4332F for ; Mon, 21 Nov 2022 14:04:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231604AbiKUOEY (ORCPT ); Mon, 21 Nov 2022 09:04:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231605AbiKUOCU (ORCPT ); Mon, 21 Nov 2022 09:02:20 -0500 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F33B686A63; Mon, 21 Nov 2022 06:02:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1669039340; x=1700575340; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7FbkFUUwW8f1lkbeYVGTNASH9BSWg8uSE/T9xxdn1m8=; b=po4MhVFNoVYDDKELfqhwa63yF6eYA8n1IT6Zjo8kd133Tg3RsidnC7PX 6npulL0M7PFMyyFqRSMULEjXOZ3qvrseDjTotQ4oaDrqBuFK0TTaj3cgL v5N6ABEJTQU+cr0h1A+2jNHg6QstCXkczf7UAmboZqp4g0UfXz5Q5789+ s=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-01.qualcomm.com with ESMTP; 21 Nov 2022 06:02:19 -0800 X-QCInternal: smtphost Received: from nasanex01b.na.qualcomm.com ([10.46.141.250]) by ironmsg04-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2022 06:02:18 -0800 Received: from hu-eberman-lv.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Mon, 21 Nov 2022 06:02:15 -0800 From: Elliot Berman To: Bjorn Andersson , Andy Gross , Bjorn Andersson , Konrad Dybcio , Srinivas Kandagatla , Amol Maheshwari , Arnd Bergmann , Greg Kroah-Hartman , Kalle Valo , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Paolo Abeni , Mathieu Poirier CC: Elliot Berman , Murali Nalajala , Trilok Soni , "Srivatsa Vaddagiri" , Carl van Schaik , Prakruthi Deepak Heragu , Rob Herring , "Krzysztof Kozlowski" , Jonathan Corbet , Catalin Marinas , Will Deacon , Jassi Brar , Sudeep Holla , Mark Rutland , "Lorenzo Pieralisi" , , , , , , , Neil Armstrong , , , , Subject: [PATCH v7 18/20] firmware: qcom_scm: Use fixed width src vm bitmap Date: Mon, 21 Nov 2022 06:00:07 -0800 Message-ID: <20221121140009.2353512-19-quic_eberman@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221121140009.2353512-1-quic_eberman@quicinc.com> References: <20221121140009.2353512-1-quic_eberman@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nasanex01b.na.qualcomm.com (10.46.141.250) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The maximum VMID for assign_mem is 63. Use a u64 to represent this bitmap instead of architecture-dependent "unsigned int" which varies in size on 32-bit and 64-bit platforms. Signed-off-by: Elliot Berman Acked-by: Kalle Valo --- Note this will have build conflicts with https://lore.kernel.org/all/20221114-narmstrong-sm8550-upstream-mpss_dsm-v2-2-f7c65d6f0e55@linaro.org/ which would also need an "unsigned int" -> "u64" in struct qcom_mpss_dsm_mem:perms. drivers/firmware/qcom_scm.c | 12 +++++++----- drivers/misc/fastrpc.c | 6 ++++-- drivers/net/wireless/ath/ath10k/qmi.c | 4 ++-- drivers/remoteproc/qcom_q6v5_mss.c | 8 ++++---- drivers/soc/qcom/rmtfs_mem.c | 2 +- include/linux/qcom_scm.h | 2 +- 6 files changed, 19 insertions(+), 15 deletions(-) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index cdbfe54c8146..92763dce6477 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -898,7 +898,7 @@ static int __qcom_scm_assign_mem(struct device *dev, phys_addr_t mem_region, * Return negative errno on failure or 0 on success with @srcvm updated. */ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, - unsigned int *srcvm, + u64 *srcvm, const struct qcom_scm_vmperm *newvm, unsigned int dest_cnt) { @@ -915,9 +915,9 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, __le32 *src; void *ptr; int ret, i, b; - unsigned long srcvm_bits = *srcvm; + u64 srcvm_bits = *srcvm; - src_sz = hweight_long(srcvm_bits) * sizeof(*src); + src_sz = hweight64(srcvm_bits) * sizeof(*src); mem_to_map_sz = sizeof(*mem_to_map); dest_sz = dest_cnt * sizeof(*destvm); ptr_sz = ALIGN(src_sz, SZ_64) + ALIGN(mem_to_map_sz, SZ_64) + @@ -930,8 +930,10 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, /* Fill source vmid detail */ src = ptr; i = 0; - for_each_set_bit(b, &srcvm_bits, BITS_PER_LONG) - src[i++] = cpu_to_le32(b); + for (b = 0; b < BITS_PER_TYPE(u64); b++) { + if (srcvm_bits & BIT(b)) + src[i++] = cpu_to_le32(b); + } /* Fill details of mem buff to map */ mem_to_map = ptr + ALIGN(src_sz, SZ_64); diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 7ff0b63c25e3..2ad388f99fe1 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -299,11 +299,13 @@ static void fastrpc_free_map(struct kref *ref) if (map->attr & FASTRPC_ATTR_SECUREMAP) { struct qcom_scm_vmperm perm; int err = 0; + u64 src; + src = BIT(map->fl->cctx->vmperms[0].vmid); perm.vmid = QCOM_SCM_VMID_HLOS; perm.perm = QCOM_SCM_PERM_RWX; err = qcom_scm_assign_mem(map->phys, map->size, - &(map->fl->cctx->vmperms[0].vmid), &perm, 1); + &src, &perm, 1); if (err) { dev_err(map->fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d", map->phys, map->size, err); @@ -744,7 +746,7 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd, * If subsystem VMIDs are defined in DTSI, then do * hyp_assign from HLOS to those VM(s) */ - unsigned int perms = BIT(QCOM_SCM_VMID_HLOS); + u64 perms = BIT(QCOM_SCM_VMID_HLOS); map->attr = attr; err = qcom_scm_assign_mem(map->phys, (u64)map->size, &perms, diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c index 66cb7a1e628a..6d1d87e1cdde 100644 --- a/drivers/net/wireless/ath/ath10k/qmi.c +++ b/drivers/net/wireless/ath/ath10k/qmi.c @@ -28,7 +28,7 @@ static int ath10k_qmi_map_msa_permission(struct ath10k_qmi *qmi, { struct qcom_scm_vmperm dst_perms[3]; struct ath10k *ar = qmi->ar; - unsigned int src_perms; + u64 src_perms; u32 perm_count; int ret; @@ -60,7 +60,7 @@ static int ath10k_qmi_unmap_msa_permission(struct ath10k_qmi *qmi, { struct qcom_scm_vmperm dst_perms; struct ath10k *ar = qmi->ar; - unsigned int src_perms; + u64 src_perms; int ret; src_perms = BIT(QCOM_SCM_VMID_MSS_MSA) | BIT(QCOM_SCM_VMID_WLAN); diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index fddb63cffee0..9e8bde7a7ec4 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -227,8 +227,8 @@ struct q6v5 { bool has_qaccept_regs; bool has_ext_cntl_regs; bool has_vq6; - int mpss_perm; - int mba_perm; + u64 mpss_perm; + u64 mba_perm; const char *hexagon_mdt_image; int version; }; @@ -404,7 +404,7 @@ static void q6v5_pds_disable(struct q6v5 *qproc, struct device **pds, } } -static int q6v5_xfer_mem_ownership(struct q6v5 *qproc, int *current_perm, +static int q6v5_xfer_mem_ownership(struct q6v5 *qproc, u64 *current_perm, bool local, bool remote, phys_addr_t addr, size_t size) { @@ -939,7 +939,7 @@ static int q6v5_mpss_init_image(struct q6v5 *qproc, const struct firmware *fw, struct page *page; dma_addr_t phys; void *metadata; - int mdata_perm; + u64 mdata_perm; int xferop_ret; size_t size; void *vaddr; diff --git a/drivers/soc/qcom/rmtfs_mem.c b/drivers/soc/qcom/rmtfs_mem.c index 0feaae357821..69991e47aa23 100644 --- a/drivers/soc/qcom/rmtfs_mem.c +++ b/drivers/soc/qcom/rmtfs_mem.c @@ -30,7 +30,7 @@ struct qcom_rmtfs_mem { unsigned int client_id; - unsigned int perms; + u64 perms; }; static ssize_t qcom_rmtfs_mem_show(struct device *dev, diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index f8335644a01a..77f7b5837216 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -96,7 +96,7 @@ extern int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, u32 cp_nonpixel_start, u32 cp_nonpixel_size); extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, - unsigned int *src, + u64 *src, const struct qcom_scm_vmperm *newvm, unsigned int dest_cnt);