From patchwork Wed Nov 15 11:07:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 10059177 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B2DFD60231 for ; Wed, 15 Nov 2017 11:08:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 99E6429E70 for ; Wed, 15 Nov 2017 11:08:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8EA2329E91; Wed, 15 Nov 2017 11:08:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7942B29E70 for ; Wed, 15 Nov 2017 11:08:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932181AbdKOLIY (ORCPT ); Wed, 15 Nov 2017 06:08:24 -0500 Received: from mx2.suse.de ([195.135.220.15]:41707 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757704AbdKOLIO (ORCPT ); Wed, 15 Nov 2017 06:08:14 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7639DAAAD; Wed, 15 Nov 2017 11:08:12 +0000 (UTC) From: Hannes Reinecke To: "Martin K. Petersen" Cc: James Bottomley , Christoph Hellwig , Linus Torvalds , linux-scsi@vger.kernel.org, Linux Kernel Mailinglist , Hannes Reinecke , Hannes Reinecke Subject: [PATCH] scsi: Use 'blist_flags_t' for scsi_devinfo flags Date: Wed, 15 Nov 2017 12:07:30 +0100 Message-Id: <1510744050-53682-1-git-send-email-hare@suse.de> X-Mailer: git-send-email 1.8.5.6 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As per recommendation from Linus we should be using a distinct type for blacklist flags. Signed-off-by: Hannes Reinecke --- drivers/scsi/scsi_devinfo.c | 18 ++++++++--------- drivers/scsi/scsi_priv.h | 15 +++++++------- drivers/scsi/scsi_scan.c | 2 +- include/scsi/scsi_device.h | 4 +++- include/scsi/scsi_devinfo.h | 48 ++++++++++++++++++++++----------------------- 5 files changed, 45 insertions(+), 42 deletions(-) diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 555269b..1ecd8cd 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -21,7 +21,7 @@ struct scsi_dev_info_list { struct list_head dev_info_list; char vendor[8]; char model[16]; - unsigned flags; + blist_flags_t flags; unsigned compatible; /* for use with scsi_static_device_list entries */ }; @@ -34,7 +34,7 @@ struct scsi_dev_info_list_table { static const char spaces[] = " "; /* 16 of them */ -static unsigned scsi_default_dev_flags; +static blist_flags_t scsi_default_dev_flags; static LIST_HEAD(scsi_dev_info_list); static char scsi_dev_flags[256]; @@ -51,7 +51,7 @@ struct scsi_dev_info_list_table { char *vendor; char *model; char *revision; /* revision known to be bad, unused */ - unsigned flags; + blist_flags_t flags; } scsi_static_device_list[] __initdata = { /* * The following devices are known not to tolerate a lun != 0 scan @@ -334,7 +334,7 @@ static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length, * Returns: 0 OK, -error on failure. **/ static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, - char *strflags, int flags) + char *strflags, blist_flags_t flags) { return scsi_dev_info_list_add_keyed(compatible, vendor, model, strflags, flags, @@ -360,7 +360,7 @@ static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, * Returns: 0 OK, -error on failure. **/ int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model, - char *strflags, int flags, int key) + char *strflags, blist_flags_t flags, int key) { struct scsi_dev_info_list *devinfo; struct scsi_dev_info_list_table *devinfo_table = @@ -570,9 +570,9 @@ static int scsi_dev_info_list_add_str(char *dev_list) * matching flags value, else return the host or global default * settings. Called during scan time. **/ -int scsi_get_device_flags(struct scsi_device *sdev, - const unsigned char *vendor, - const unsigned char *model) +blist_flags_t scsi_get_device_flags(struct scsi_device *sdev, + const unsigned char *vendor, + const unsigned char *model) { return scsi_get_device_flags_keyed(sdev, vendor, model, SCSI_DEVINFO_GLOBAL); @@ -592,7 +592,7 @@ int scsi_get_device_flags(struct scsi_device *sdev, * flags value, else return the host or global default settings. * Called during scan time. **/ -int scsi_get_device_flags_keyed(struct scsi_device *sdev, +blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev, const unsigned char *vendor, const unsigned char *model, int key) diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 9125e01..29f162e 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -49,15 +49,16 @@ enum { SCSI_DEVINFO_SPI, }; -extern int scsi_get_device_flags(struct scsi_device *sdev, - const unsigned char *vendor, - const unsigned char *model); -extern int scsi_get_device_flags_keyed(struct scsi_device *sdev, - const unsigned char *vendor, - const unsigned char *model, int key); +extern blist_flags_t scsi_get_device_flags(struct scsi_device *sdev, + const unsigned char *vendor, + const unsigned char *model); +extern blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev, + const unsigned char *vendor, + const unsigned char *model, + int key); extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model, char *strflags, - int flags, int key); + blist_flags_t flags, int key); extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key); extern int scsi_dev_info_add_list(int key, const char *name); extern int scsi_dev_info_remove_list(int key); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 26edd61..a9ebbdc 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -565,7 +565,7 @@ void scsi_sanitize_inquiry_string(unsigned char *s, int len) * are copied to the scsi_device any flags value is stored in *@bflags. **/ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, - int result_len, int *bflags) + int result_len, blist_flags_t *bflags) { unsigned char scsi_cmd[MAX_COMMAND_SIZE]; int first_inquiry_len, try_inquiry_len, next_inquiry_len; diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index d68985c..ddcd3a7 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -14,6 +14,8 @@ struct scsi_lun; struct scsi_sense_hdr; +typedef unsigned int __bitwise blist_flags_t; + struct scsi_mode_data { __u32 length; __u16 block_descriptor_length; @@ -140,7 +142,7 @@ struct scsi_device { unsigned char current_tag; /* current tag */ struct scsi_target *sdev_target; /* used only for single_lun */ - unsigned int sdev_bflags; /* black/white flags as also found in + blist_flags_t sdev_bflags; /* black/white flags as also found in * scsi_devinfo.[hc]. For now used only to * pass settings from slave_alloc to scsi * core. */ diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h index 7a2329c..9c43b68 100644 --- a/include/scsi/scsi_devinfo.h +++ b/include/scsi/scsi_devinfo.h @@ -5,53 +5,53 @@ */ /* Only scan LUN 0 */ -#define BLIST_NOLUN ((__force __u32 __bitwise)(1 << 0)) +#define BLIST_NOLUN ((__force blist_flags_t)(1 << 0)) /* Known to have LUNs, force scanning. * DEPRECATED: Use max_luns=N */ -#define BLIST_FORCELUN ((__force __u32 __bitwise)(1 << 1)) +#define BLIST_FORCELUN ((__force blist_flags_t)(1 << 1)) /* Flag for broken handshaking */ -#define BLIST_BORKEN ((__force __u32 __bitwise)(1 << 2)) +#define BLIST_BORKEN ((__force blist_flags_t)(1 << 2)) /* unlock by special command */ -#define BLIST_KEY ((__force __u32 __bitwise)(1 << 3)) +#define BLIST_KEY ((__force blist_flags_t)(1 << 3)) /* Do not use LUNs in parallel */ -#define BLIST_SINGLELUN ((__force __u32 __bitwise)(1 << 4)) +#define BLIST_SINGLELUN ((__force blist_flags_t)(1 << 4)) /* Buggy Tagged Command Queuing */ -#define BLIST_NOTQ ((__force __u32 __bitwise)(1 << 5)) +#define BLIST_NOTQ ((__force blist_flags_t)(1 << 5)) /* Non consecutive LUN numbering */ -#define BLIST_SPARSELUN ((__force __u32 __bitwise)(1 << 6)) +#define BLIST_SPARSELUN ((__force blist_flags_t)(1 << 6)) /* Avoid LUNS >= 5 */ -#define BLIST_MAX5LUN ((__force __u32 __bitwise)(1 << 7)) +#define BLIST_MAX5LUN ((__force blist_flags_t)(1 << 7)) /* Treat as (removable) CD-ROM */ -#define BLIST_ISROM ((__force __u32 __bitwise)(1 << 8)) +#define BLIST_ISROM ((__force blist_flags_t)(1 << 8)) /* LUNs past 7 on a SCSI-2 device */ -#define BLIST_LARGELUN ((__force __u32 __bitwise)(1 << 9)) +#define BLIST_LARGELUN ((__force blist_flags_t)(1 << 9)) /* override additional length field */ -#define BLIST_INQUIRY_36 ((__force __u32 __bitwise)(1 << 10)) +#define BLIST_INQUIRY_36 ((__force blist_flags_t)(1 << 10)) /* do not do automatic start on add */ -#define BLIST_NOSTARTONADD ((__force __u32 __bitwise)(1 << 12)) +#define BLIST_NOSTARTONADD ((__force blist_flags_t)(1 << 12)) /* try REPORT_LUNS even for SCSI-2 devs (if HBA supports more than 8 LUNs) */ -#define BLIST_REPORTLUN2 ((__force __u32 __bitwise)(1 << 17)) +#define BLIST_REPORTLUN2 ((__force blist_flags_t)(1 << 17)) /* don't try REPORT_LUNS scan (SCSI-3 devs) */ -#define BLIST_NOREPORTLUN ((__force __u32 __bitwise)(1 << 18)) +#define BLIST_NOREPORTLUN ((__force blist_flags_t)(1 << 18)) /* don't use PREVENT-ALLOW commands */ -#define BLIST_NOT_LOCKABLE ((__force __u32 __bitwise)(1 << 19)) +#define BLIST_NOT_LOCKABLE ((__force blist_flags_t)(1 << 19)) /* device is actually for RAID config */ -#define BLIST_NO_ULD_ATTACH ((__force __u32 __bitwise)(1 << 20)) +#define BLIST_NO_ULD_ATTACH ((__force blist_flags_t)(1 << 20)) /* select without ATN */ -#define BLIST_SELECT_NO_ATN ((__force __u32 __bitwise)(1 << 21)) +#define BLIST_SELECT_NO_ATN ((__force blist_flags_t)(1 << 21)) /* retry HARDWARE_ERROR */ -#define BLIST_RETRY_HWERROR ((__force __u32 __bitwise)(1 << 22)) +#define BLIST_RETRY_HWERROR ((__force blist_flags_t)(1 << 22)) /* maximum 512 sector cdb length */ -#define BLIST_MAX_512 ((__force __u32 __bitwise)(1 << 23)) +#define BLIST_MAX_512 ((__force blist_flags_t)(1 << 23)) /* Disable T10 PI (DIF) */ -#define BLIST_NO_DIF ((__force __u32 __bitwise)(1 << 25)) +#define BLIST_NO_DIF ((__force blist_flags_t)(1 << 25)) /* Ignore SBC-3 VPD pages */ -#define BLIST_SKIP_VPD_PAGES ((__force __u32 __bitwise)(1 << 26)) +#define BLIST_SKIP_VPD_PAGES ((__force blist_flags_t)(1 << 26)) /* Attempt to read VPD pages */ -#define BLIST_TRY_VPD_PAGES ((__force __u32 __bitwise)(1 << 28)) +#define BLIST_TRY_VPD_PAGES ((__force blist_flags_t)(1 << 28)) /* don't try to issue RSOC */ -#define BLIST_NO_RSOC ((__force __u32 __bitwise)(1 << 29)) +#define BLIST_NO_RSOC ((__force blist_flags_t)(1 << 29)) /* maximum 1024 sector cdb length */ -#define BLIST_MAX_1024 ((__force __u32 __bitwise)(1 << 30)) +#define BLIST_MAX_1024 ((__force blist_flags_t)(1 << 30)) #endif