From nobody Mon Feb 9 20:30:23 2026 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 09E83C7EE29 for ; Fri, 19 May 2023 09:32:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230246AbjESJcu (ORCPT ); Fri, 19 May 2023 05:32:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231571AbjESJb6 (ORCPT ); Fri, 19 May 2023 05:31:58 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 381A11730 for ; Fri, 19 May 2023 02:31:45 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id BDD7E222AD; Fri, 19 May 2023 09:31:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1684488703; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s9zSH66PKLZSek1+f7HTHKq9RrcGGPrH4bCfODwVZUA=; b=puVqaIdpkndJ4oA4wXhPx+DOkqA8RV+EXSSWdoay/mdCcqlJeEuRKSNA1caza+fTvRgCRB vH4iXTYSYSQruGVuMLKvjxUYgcZLaFYP3UdrNI9KklvbYSBf52OfHSPi11AaERrweKTRDe C+Ef1vh8yFVDUNyz+/gp61uuyuth5Qo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1684488703; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s9zSH66PKLZSek1+f7HTHKq9RrcGGPrH4bCfODwVZUA=; b=IAp+Cs3hGxBko9eYTQtT+Szcb6c5FYciTjzlMnvMueuHu9yNp1VLNrwZ1mpNsfWIU51s+r sRDCu9l0QZNF2ADg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 9928A13A12; Fri, 19 May 2023 09:31:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id KGCAJP9BZ2RXJAAAMHmgww (envelope-from ); Fri, 19 May 2023 09:31:43 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 23/36] ALSA: seq: Introduce SNDRV_SEQ_IOCTL_USER_PVERSION ioctl Date: Fri, 19 May 2023 11:31:01 +0200 Message-Id: <20230519093114.28813-24-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230519093114.28813-1-tiwai@suse.de> References: <20230519093114.28813-1-tiwai@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" For the future extension of ALSA sequencer ABI, introduce a new ioctl SNDRV_SEQ_IOCTL_USER_PVERSION. This is similar like the ioctls used in PCM and other interfaces, for an application to specify its supporting ABI version. The use of this ioctl will be mandatory for the upcoming UMP support. Signed-off-by: Takashi Iwai --- include/uapi/sound/asequencer.h | 1 + sound/core/seq/seq_clientmgr.c | 8 ++++++++ sound/core/seq/seq_clientmgr.h | 1 + sound/core/seq/seq_compat.c | 1 + 4 files changed, 11 insertions(+) diff --git a/include/uapi/sound/asequencer.h b/include/uapi/sound/asequence= r.h index 00d2703e8fca..4a3c5a718bae 100644 --- a/include/uapi/sound/asequencer.h +++ b/include/uapi/sound/asequencer.h @@ -561,6 +561,7 @@ struct snd_seq_query_subs { #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system= _info) #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_runni= ng_info) +#define SNDRV_SEQ_IOCTL_USER_PVERSION _IOW('S', 0x04, int) =20 #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_cl= ient_info) #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_cl= ient_info) diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 0f26f20596d7..89a8d14df83b 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -1056,6 +1056,12 @@ static int snd_seq_ioctl_pversion(struct snd_seq_cli= ent *client, void *arg) return 0; } =20 +static int snd_seq_ioctl_user_pversion(struct snd_seq_client *client, void= *arg) +{ + client->user_pversion =3D *(unsigned int *)arg; + return 0; +} + static int snd_seq_ioctl_client_id(struct snd_seq_client *client, void *ar= g) { int *client_id =3D arg; @@ -1985,6 +1991,7 @@ static const struct ioctl_handler { int (*func)(struct snd_seq_client *client, void *arg); } ioctl_handlers[] =3D { { SNDRV_SEQ_IOCTL_PVERSION, snd_seq_ioctl_pversion }, + { SNDRV_SEQ_IOCTL_USER_PVERSION, snd_seq_ioctl_user_pversion }, { SNDRV_SEQ_IOCTL_CLIENT_ID, snd_seq_ioctl_client_id }, { SNDRV_SEQ_IOCTL_SYSTEM_INFO, snd_seq_ioctl_system_info }, { SNDRV_SEQ_IOCTL_RUNNING_MODE, snd_seq_ioctl_running_mode }, @@ -2125,6 +2132,7 @@ int snd_seq_create_kernel_client(struct snd_card *car= d, int client_index, client->accept_input =3D 1; client->accept_output =3D 1; client->data.kernel.card =3D card; + client->user_pversion =3D SNDRV_SEQ_VERSION; =09 va_start(args, name_fmt); vsnprintf(client->name, sizeof(client->name), name_fmt, args); diff --git a/sound/core/seq/seq_clientmgr.h b/sound/core/seq/seq_clientmgr.h index f05704e45ab4..abe0ceadf3da 100644 --- a/sound/core/seq/seq_clientmgr.h +++ b/sound/core/seq/seq_clientmgr.h @@ -35,6 +35,7 @@ struct snd_seq_client { snd_seq_client_type_t type; unsigned int accept_input: 1, accept_output: 1; + unsigned int user_pversion; char name[64]; /* client name */ int number; /* client number */ unsigned int filter; /* filter flags */ diff --git a/sound/core/seq/seq_compat.c b/sound/core/seq/seq_compat.c index 54723566ce24..c0ce6236dc7f 100644 --- a/sound/core/seq/seq_compat.c +++ b/sound/core/seq/seq_compat.c @@ -81,6 +81,7 @@ static long snd_seq_ioctl_compat(struct file *file, unsig= ned int cmd, unsigned l =20 switch (cmd) { case SNDRV_SEQ_IOCTL_PVERSION: + case SNDRV_SEQ_IOCTL_USER_PVERSION: case SNDRV_SEQ_IOCTL_CLIENT_ID: case SNDRV_SEQ_IOCTL_SYSTEM_INFO: case SNDRV_SEQ_IOCTL_GET_CLIENT_INFO: --=20 2.35.3