From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21A80C4345F for ; Tue, 21 Jul 2020 01:42:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 008DA2075B for ; Tue, 21 Jul 2020 01:42:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Hrpb8Ar+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728112AbgGUBmD (ORCPT ); Mon, 20 Jul 2020 21:42:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725954AbgGUBmB (ORCPT ); Mon, 20 Jul 2020 21:42:01 -0400 Received: from mail-qt1-x842.google.com (mail-qt1-x842.google.com [IPv6:2607:f8b0:4864:20::842]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9122AC0619D5; Mon, 20 Jul 2020 18:42:01 -0700 (PDT) Received: by mail-qt1-x842.google.com with SMTP id d27so15034702qtg.4; Mon, 20 Jul 2020 18:42:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Szv0wbeilFX0kuaH3VpGL3Z7ZcoQ0OQkpBfV51CLwOE=; b=Hrpb8Ar+JZA0aFF7EImncibVuhP9bbLehF62vZQUHiTvetSwTiXNmgKnXap5chhNdL FQ5GQiiq10nzMkIn3lqJ6XMs97NziwblfT7Drr6yATSoyDQKHgi+LIIyPBeZfof7PQJk LCfsKaK9Kgr9bN39gRePMo/V0DgGzBhSZFU78kFuSIEK6P0V3uX60GfPmJRmcSoaiV6Y u0JRzGtYT6xnV2ZNRx7/lWwxXp7gcpu4YF4epFbGj9O0o7tgrjhFUFx+v35BAJdd34xW imFqaPNc89ONPjIZcX9zfPCjq/D3GECb10nFW61AXhKcSsLW/YTbEYGAwZj1uk1Lv2RQ VXmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Szv0wbeilFX0kuaH3VpGL3Z7ZcoQ0OQkpBfV51CLwOE=; b=hwt3wsQdlcHFIp05j9F9jgqrmxVHoDYggIulF0YwgzaXHM8ss+k/o/TyujdiuQks7y iUo88PjihOklQ0J7bwqtlMwr0eNYBM/XHkQyoMcO6yzAuJAo3NaXb2DnJRe7fljxHXVO Gmv0AnO5aE4jQJVMP2q9K/rCbNjsCFYKmAtPkXcWQfstfDsEMpb8it4f0asxT01DkgqR Q27FRQsNBtqk797WaRMB7Y0tNgPdBj1DLIjwrjhgVPtwEPw0TSsmxYBRpQA7oYHD7yse JPnsHGDZECKIWWCzws5mbi0jEw0QLo452EiBsWjiHX4PiSieNU8VoJgKf9q0VDpvr01o srBQ== X-Gm-Message-State: AOAM533plpHEVsy37n7zraTYL2zEIhzcpDZXs9HRaGdmDu+tbfR7t+E2 HWMU15Rf2hCEqn15Q203UFA= X-Google-Smtp-Source: ABdhPJzxuxAsLaIVcnzKtCP8RazeXqyj/osxNRSctJGVpCrqC4dNoDucRpAb/UxZIAxPbj0+4CYSxQ== X-Received: by 2002:aed:2942:: with SMTP id s60mr26674342qtd.139.1595295720851; Mon, 20 Jul 2020 18:42:00 -0700 (PDT) Received: from auth1-smtp.messagingengine.com (auth1-smtp.messagingengine.com. [66.111.4.227]) by smtp.gmail.com with ESMTPSA id o15sm1265646qko.67.2020.07.20.18.41.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 Jul 2020 18:42:00 -0700 (PDT) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailauth.nyi.internal (Postfix) with ESMTP id 99DED27C0054; Mon, 20 Jul 2020 21:41:59 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Mon, 20 Jul 2020 21:41:59 -0400 X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduiedrgeehgdegjecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenog fuohhrthgvugftvggtihhpvdculdegtddmnecujfgurhephffvufffkffojghfggfgsedt keertdertddtnecuhfhrohhmpeeuohhquhhnucfhvghnghcuoegsohhquhhnrdhfvghngh esghhmrghilhdrtghomheqnecuggftrfgrthhtvghrnhephedvveetfefgiedutedtfeev vddvleekjeeuffffleeguefhhfejteekieeuueelnecukfhppeehvddrudehhedrudduud drjedunecuvehluhhsthgvrhfuihiivgepgeenucfrrghrrghmpehmrghilhhfrhhomhep sghoqhhunhdomhgvshhmthhprghuthhhphgvrhhsohhnrghlihhthidqieelvdeghedtie egqddujeejkeehheehvddqsghoqhhunhdrfhgvnhhgpeepghhmrghilhdrtghomhesfhhi gihmvgdrnhgrmhgv X-ME-Proxy: Received: from localhost (unknown [52.155.111.71]) by mail.messagingengine.com (Postfix) with ESMTPA id 184E83060067; Mon, 20 Jul 2020 21:41:58 -0400 (EDT) From: Boqun Feng To: linux-hyperv@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org Cc: "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Jiri Kosina , Benjamin Tissoires , Dmitry Torokhov , "David S. Miller" , Jakub Kicinski , "James E.J. Bottomley" , "Martin K. Petersen" , Michael Kelley , Boqun Feng Subject: [RFC 05/11] Drivers: hv: vmbus: Move virt_to_hvpfn() to hyperv header Date: Tue, 21 Jul 2020 09:41:29 +0800 Message-Id: <20200721014135.84140-6-boqun.feng@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200721014135.84140-1-boqun.feng@gmail.com> References: <20200721014135.84140-1-boqun.feng@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org There will be more places other than vmbus where we need to calculate the Hyper-V page PFN from a virtual address, so move virt_to_hvpfn() to hyperv generic header. Signed-off-by: Boqun Feng --- drivers/hv/channel.c | 13 ------------- include/linux/hyperv.h | 15 +++++++++++++++ 2 files changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 13e98ac2a00f..ac7039fe2f29 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -21,19 +21,6 @@ #include "hyperv_vmbus.h" -static unsigned long virt_to_hvpfn(void *addr) -{ - phys_addr_t paddr; - - if (is_vmalloc_addr(addr)) - paddr = page_to_phys(vmalloc_to_page(addr)) + - offset_in_page(addr); - else - paddr = __pa(addr); - - return paddr >> HV_HYP_PAGE_SHIFT; -} - /* * hv_gpadl_size - Return the real size of a gpadl, the size that Hyper-V uses * diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 663f0a016237..eda8e5f9a49d 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -23,6 +23,8 @@ #include #include #include +#include +#include #define MAX_PAGE_BUFFER_COUNT 32 #define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */ @@ -1688,4 +1690,17 @@ struct hyperv_pci_block_ops { extern struct hyperv_pci_block_ops hvpci_block_ops; +static inline unsigned long virt_to_hvpfn(void *addr) +{ + phys_addr_t paddr; + + if (is_vmalloc_addr(addr)) + paddr = page_to_phys(vmalloc_to_page(addr)) + + offset_in_page(addr); + else + paddr = __pa(addr); + + return paddr >> HV_HYP_PAGE_SHIFT; +} + #endif /* _HYPERV_H */ -- 2.27.0