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Fri, 8 Jan 2021 19:20:33 +0900 (JST) Received: from g01jpfmpwyt02.exch.g01.fujitsu.local (g01jpfmpwyt02.exch.g01.fujitsu.local [10.128.193.56]) by yto-m3.gw.nic.fujitsu.com (Postfix) with ESMTP id 7C454A9A72 for ; Fri, 8 Jan 2021 19:20:32 +0900 (JST) Received: from g01jpexchyt35.g01.fujitsu.local (unknown [10.128.193.4]) by g01jpfmpwyt02.exch.g01.fujitsu.local (Postfix) with ESMTP id 63378584384; Fri, 8 Jan 2021 19:20:31 +0900 (JST) Received: from luna3.soft.fujitsu.com (10.124.196.199) by g01jpexchyt35.g01.fujitsu.local (10.128.193.50) with Microsoft SMTP Server id 14.3.487.0; Fri, 8 Jan 2021 19:20:29 +0900 From: Misono Tomohiro List-Id: To: , Subject: [PATCH 07/10] soc: fujitsu: hwb: Add IOC_GET_PE_INFO ioctl Date: Fri, 8 Jan 2021 19:32:24 +0900 Message-ID: <20210108103227.1740865-8-misono.tomohiro@jp.fujitsu.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210108103227.1740865-1-misono.tomohiro@jp.fujitsu.com> References: <20210108103227.1740865-1-misono.tomohiro@jp.fujitsu.com> MIME-Version: 1.0 X-SecurityPolicyCheck-GC: OK by FENCE-Mail X-TM-AS-GCONF: 00 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210108_052036_924875_3EFA7407 X-CRM114-Status: GOOD ( 11.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: olof@lixom.net, catalin.marinas@arm.com, will@kernel.org, misono.tomohiro@jp.fujitsu.com, arnd@arndb.de Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Message-ID: <20210108103224.8oKozP575imfHa-_TFqZbzxMGkhx1led7oItf3wGWnk@z> This is an infomative ioctl to tell users CMG/PE number of currently running PE. Signed-off-by: Misono Tomohiro --- drivers/soc/fujitsu/fujitsu_hwb.c | 18 ++++++++++++++++++ include/uapi/linux/fujitsu_hpc_ioctl.h | 7 +++++++ 2 files changed, 25 insertions(+) diff --git a/drivers/soc/fujitsu/fujitsu_hwb.c b/drivers/soc/fujitsu/fujitsu_hwb.c index 2535942cc0d7..1132cb74b13b 100644 --- a/drivers/soc/fujitsu/fujitsu_hwb.c +++ b/drivers/soc/fujitsu/fujitsu_hwb.c @@ -733,6 +733,21 @@ static int ioc_bb_free(struct file *filp, void __user *argp) return 0; } +static int ioc_get_pe_info(struct file *filp, void __user *argp) +{ + struct fujitsu_hwb_ioc_pe_info pe_info = {0}; + int cpu = smp_processor_id(); + + pe_info.cmg = _hwinfo.core_map[cpu].cmg; + pe_info.ppe = _hwinfo.core_map[cpu].ppe; + + if (copy_to_user((struct fujitsu_hwb_ioc_pe_info __user *)argp, &pe_info, + sizeof(struct fujitsu_hwb_ioc_pe_info))) + return -EFAULT; + + return 0; +} + static long fujitsu_hwb_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { void __user *argp = (void __user *)arg; @@ -751,6 +766,9 @@ static long fujitsu_hwb_dev_ioctl(struct file *filp, unsigned int cmd, unsigned case FUJITSU_HWB_IOC_BB_FREE: ret = ioc_bb_free(filp, argp); break; + case FUJITSU_HWB_IOC_GET_PE_INFO: + ret = ioc_get_pe_info(filp, argp); + break; default: ret = -ENOTTY; break; diff --git a/include/uapi/linux/fujitsu_hpc_ioctl.h b/include/uapi/linux/fujitsu_hpc_ioctl.h index 7a285d8db0a9..1226014d97c4 100644 --- a/include/uapi/linux/fujitsu_hpc_ioctl.h +++ b/include/uapi/linux/fujitsu_hpc_ioctl.h @@ -22,6 +22,11 @@ struct fujitsu_hwb_ioc_bw_ctl { __s8 window; }; +struct fujitsu_hwb_ioc_pe_info { + __u8 cmg; + __u8 ppe; +}; + #define FUJITSU_HWB_IOC_BB_ALLOC _IOWR(__FUJITSU_IOCTL_MAGIC, \ 0x00, struct fujitsu_hwb_ioc_bb_ctl) #define FUJITSU_HWB_IOC_BW_ASSIGN _IOWR(__FUJITSU_IOCTL_MAGIC, \ @@ -30,5 +35,7 @@ struct fujitsu_hwb_ioc_bw_ctl { 0x02, struct fujitsu_hwb_ioc_bw_ctl) #define FUJITSU_HWB_IOC_BB_FREE _IOW(__FUJITSU_IOCTL_MAGIC, \ 0x03, struct fujitsu_hwb_ioc_bb_ctl) +#define FUJITSU_HWB_IOC_GET_PE_INFO _IOR(__FUJITSU_IOCTL_MAGIC, \ + 0x04, struct fujitsu_hwb_ioc_pe_info) #endif /* _UAPI_LINUX_FUJITSU_HPC_IOC_H */ -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel