From patchwork Mon Oct 21 09:53:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 11201759 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 34B9A1515 for ; Mon, 21 Oct 2019 09:53:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 13BB220830 for ; Mon, 21 Oct 2019 09:53:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727949AbfJUJxo (ORCPT ); Mon, 21 Oct 2019 05:53:44 -0400 Received: from mx2.suse.de ([195.135.220.15]:48926 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727815AbfJUJxj (ORCPT ); Mon, 21 Oct 2019 05:53:39 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 31017BACB; Mon, 21 Oct 2019 09:53:29 +0000 (UTC) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , Johannes Thumshirn , linux-scsi@vger.kernel.org, Hannes Reinecke Subject: [PATCH 24/24] scsi: Drop now obsolete driver_byte definitions Date: Mon, 21 Oct 2019 11:53:22 +0200 Message-Id: <20191021095322.137969-25-hare@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20191021095322.137969-1-hare@suse.de> References: <20191021095322.137969-1-hare@suse.de> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org The driver_byte field in the result is now unused, so we can drop the definitions. Signed-off-by: Hannes Reinecke --- Documentation/scsi/scsi_mid_low_api.txt | 3 +-- block/bsg-lib.c | 2 +- block/bsg.c | 2 +- block/scsi_ioctl.c | 2 +- drivers/scsi/constants.c | 14 -------------- drivers/scsi/scsi_logging.c | 10 ++-------- drivers/scsi/sd.c | 9 ++++----- drivers/scsi/sd_zbc.c | 4 ++-- drivers/scsi/sg.c | 5 ++--- drivers/scsi/sr.c | 2 +- drivers/scsi/sr_ioctl.c | 2 +- drivers/scsi/st.c | 4 ++-- include/scsi/scsi.h | 3 --- include/scsi/scsi_cmnd.h | 4 ---- include/trace/events/scsi.h | 7 +------ 15 files changed, 19 insertions(+), 54 deletions(-) diff --git a/Documentation/scsi/scsi_mid_low_api.txt b/Documentation/scsi/scsi_mid_low_api.txt index c1dd4939f4ae..ab072fff5fb8 100644 --- a/Documentation/scsi/scsi_mid_low_api.txt +++ b/Documentation/scsi/scsi_mid_low_api.txt @@ -1160,8 +1160,7 @@ Members of interest: target device). 'result' is a 32 bit unsigned integer that can be viewed as 4 related bytes. The SCSI status value is in the LSB. See include/scsi/scsi.h status_byte(), - msg_byte(), host_byte() and driver_byte() macros and - related constants. + msg_byte() and host_byte() macros and related constants. sense_buffer - an array (maximum size: SCSI_SENSE_BUFFERSIZE bytes) that should be written when the SCSI status (LSB of 'result') is set to CHECK_CONDITION (2). When CHECK_CONDITION is diff --git a/block/bsg-lib.c b/block/bsg-lib.c index 347dda16c2f4..bc0c813b3a99 100644 --- a/block/bsg-lib.c +++ b/block/bsg-lib.c @@ -84,7 +84,7 @@ static int bsg_transport_complete_rq(struct request *rq, struct sg_io_v4 *hdr) */ hdr->device_status = job->result & 0xff; hdr->transport_status = host_byte(job->result); - hdr->driver_status = driver_byte(job->result); + hdr->driver_status = 0; hdr->info = 0; if (hdr->device_status || hdr->transport_status || hdr->driver_status) hdr->info |= SG_INFO_CHECK; diff --git a/block/bsg.c b/block/bsg.c index 833c44b3d458..dcde05348a48 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -96,7 +96,7 @@ static int bsg_scsi_complete_rq(struct request *rq, struct sg_io_v4 *hdr) */ hdr->device_status = sreq->result & 0xff; hdr->transport_status = host_byte(sreq->result); - hdr->driver_status = driver_byte(sreq->result); + hdr->driver_status = 0; hdr->info = 0; if (hdr->device_status || hdr->transport_status || hdr->driver_status) hdr->info |= SG_INFO_CHECK; diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 1ab1b8d9641c..b8b9b72fab2a 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -252,7 +252,7 @@ static int blk_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, hdr->masked_status = status_byte(req->result); hdr->msg_status = msg_byte(req->result); hdr->host_status = host_byte(req->result); - hdr->driver_status = driver_byte(req->result); + hdr->driver_status = 0; hdr->info = 0; if (hdr->masked_status || hdr->host_status || hdr->driver_status) hdr->info |= SG_INFO_CHECK; diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c index be7eacb67841..924131ea0b11 100644 --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -406,9 +406,6 @@ static const char * const hostbyte_table[]={ "DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST", "DID_TARGET_FAILURE", "DID_NEXUS_FAILURE" }; -static const char * const driverbyte_table[]={ -"DRIVER_OK"}; - const char *scsi_hostbyte_string(int result) { const char *hb_string = NULL; @@ -420,17 +417,6 @@ const char *scsi_hostbyte_string(int result) } EXPORT_SYMBOL(scsi_hostbyte_string); -const char *scsi_driverbyte_string(int result) -{ - const char *db_string = NULL; - int db = driver_byte(result); - - if (db < ARRAY_SIZE(driverbyte_table)) - db_string = driverbyte_table[db]; - return db_string; -} -EXPORT_SYMBOL(scsi_driverbyte_string); - #define scsi_mlreturn_name(result) { result, #result } static const struct value_name_pair scsi_mlreturn_arr[] = { scsi_mlreturn_name(NEEDS_RETRY), diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c index c91fa3feb930..d0b646430375 100644 --- a/drivers/scsi/scsi_logging.c +++ b/drivers/scsi/scsi_logging.c @@ -389,7 +389,6 @@ void scsi_print_result(const struct scsi_cmnd *cmd, const char *msg, size_t off, logbuf_len; const char *mlret_string = scsi_mlreturn_string(disposition); const char *hb_string = scsi_hostbyte_string(cmd->result); - const char *db_string = scsi_driverbyte_string(cmd->result); unsigned long cmd_age = (jiffies - cmd->jiffies_at_alloc) / HZ; logbuf = scsi_log_reserve_buffer(&logbuf_len); @@ -430,13 +429,8 @@ void scsi_print_result(const struct scsi_cmnd *cmd, const char *msg, if (WARN_ON(off >= logbuf_len)) goto out_printk; - if (db_string) - off += scnprintf(logbuf + off, logbuf_len - off, - "driverbyte=%s ", db_string); - else - off += scnprintf(logbuf + off, logbuf_len - off, - "driverbyte=0x%02x ", - driver_byte(cmd->result)); + off += scnprintf(logbuf + off, logbuf_len - off, + "driverbyte=DRIVER_OK "); off += scnprintf(logbuf + off, logbuf_len - off, "cmd_age=%lus", cmd_age); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 220990183b6b..4599954b7bb0 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -3716,16 +3716,15 @@ static void sd_print_result(const struct scsi_disk *sdkp, const char *msg, int result) { const char *hb_string = scsi_hostbyte_string(result); - const char *db_string = scsi_driverbyte_string(result); - if (hb_string || db_string) + if (hb_string) sd_printk(KERN_INFO, sdkp, "%s: Result: hostbyte=%s driverbyte=%s\n", msg, hb_string ? hb_string : "invalid", - db_string ? db_string : "invalid"); + "DRIVER_OK"); else sd_printk(KERN_INFO, sdkp, - "%s: Result: hostbyte=0x%02x driverbyte=0x%02x\n", - msg, host_byte(result), driver_byte(result)); + "%s: Result: hostbyte=0x%02x driverbyte=%s\n", + msg, host_byte(result), "DRIVER_OK"); } diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index de4019dc0f0b..d96a2506d965 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -87,9 +87,9 @@ static int sd_zbc_do_report_zones(struct scsi_disk *sdkp, unsigned char *buf, timeout, SD_MAX_RETRIES, NULL); if (result) { sd_printk(KERN_ERR, sdkp, - "REPORT ZONES lba %llu failed with %d/%d\n", + "REPORT ZONES lba %llu failed with %d/0\n", (unsigned long long)lba, - host_byte(result), driver_byte(result)); + host_byte(result)); return -EIO; } diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index c85e095be337..cc2806991e5e 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1351,7 +1351,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status) srp->header.masked_status = status_byte(result) >> 1; srp->header.msg_status = msg_byte(result); srp->header.host_status = host_byte(result); - srp->header.driver_status = driver_byte(result); + srp->header.driver_status = 0; if ((sdp->sgdebug > 0) && ((SAM_STAT_CHECK_CONDITION == srp->header.status) || (SAM_STAT_COMMAND_TERMINATED == srp->header.status))) @@ -1359,8 +1359,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status) SCSI_SENSE_BUFFERSIZE); /* Following if statement is a patch supplied by Eric Youngdale */ - if (driver_byte(result) != 0 - && scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, &sshdr) + if (scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, &sshdr) && !scsi_sense_is_deferred(&sshdr) && sshdr.sense_key == UNIT_ATTENTION && sdp->device->removable) { diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 4664fdf75c0f..05969bb1860c 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -336,7 +336,7 @@ static int sr_done(struct scsi_cmnd *SCpnt) * care is taken to avoid unnecessary additional work such as * memcpy's that could be avoided. */ - if (driver_byte(result) != 0 && /* An error occurred */ + if (status_byte(result) == SAM_STAT_CHECK_CONDITION && (SCpnt->sense_buffer[0] & 0x7f) == 0x70) { /* Sense current */ switch (SCpnt->sense_buffer[2]) { case MEDIUM_ERROR: diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index ffcf902da390..02bfbbfb6f03 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -205,7 +205,7 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc) cgc->timeout, IOCTL_RETRIES, 0, 0, NULL); /* Minimal error checking. Ignore cases we know about, and report the rest. */ - if (driver_byte(result) != 0) { + if (status_byte(result) == SAM_STAT_CHECK_CONDITION) { switch (sshdr->sense_key) { case UNIT_ATTENTION: SDev->changed = 1; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 5f38369cc62f..9ac262d6ccab 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -388,8 +388,8 @@ static int st_chk_result(struct scsi_tape *STp, struct st_request * SRpnt) if (!debugging) { /* Abnormal conditions for tape */ if (!cmdstatp->have_sense) st_printk(KERN_WARNING, STp, - "Error %x (driver bt 0x%x, host bt 0x%x).\n", - result, driver_byte(result), host_byte(result)); + "Error %x (driver bt 0, host bt 0x%x).\n", + result, host_byte(result)); else if (cmdstatp->have_sense && scode != NO_SENSE && scode != RECOVERED_ERROR && diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index d10308651f0a..a4b6bc9b6722 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -159,7 +159,6 @@ static inline int scsi_is_wlun(u64 lun) * paths might yield different results */ #define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */ #define DID_MEDIUM_ERROR 0x13 /* Medium error */ -#define DRIVER_OK 0x00 /* Driver status */ /* * Internal return values. @@ -191,12 +190,10 @@ static inline int scsi_is_wlun(u64 lun) * status byte = set from target device * msg_byte = return status from host adapter itself. * host_byte = set by low-level driver to indicate status. - * driver_byte = set by mid-level. */ #define status_byte(result) (((result)) & 0xff) #define msg_byte(result) (((result) >> 8) & 0xff) #define host_byte(result) (((result) >> 16) & 0xff) -#define driver_byte(result) (((result) >> 24) & 0xff) #define sense_class(sense) (((sense) >> 4) & 0x7) #define sense_error(sense) ((sense) & 0xf) diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 9b9ca629097d..fe1ac844c114 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -322,10 +322,6 @@ static inline void set_host_byte(struct scsi_cmnd *cmd, char status) cmd->result = (cmd->result & 0xff00ffff) | (status << 16); } -static inline void set_driver_byte(struct scsi_cmnd *cmd, char status) -{ - cmd->result = (cmd->result & 0x00ffffff) | (status << 24); -} static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd) { diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h index 5984db6996bb..428cca71c2ba 100644 --- a/include/trace/events/scsi.h +++ b/include/trace/events/scsi.h @@ -124,11 +124,6 @@ scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED), \ scsi_hostbyte_name(DID_TRANSPORT_FAILFAST)) -#define scsi_driverbyte_name(result) { result, #result } -#define show_driverbyte_name(val) \ - __print_symbolic(val, \ - scsi_driverbyte_name(DRIVER_OK)) - #define scsi_msgbyte_name(result) { result, #result } #define show_msgbyte_name(val) \ __print_symbolic(val, \ @@ -319,7 +314,7 @@ DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template, show_opcode_name(__entry->opcode), __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len), __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len), - show_driverbyte_name(((__entry->result) >> 24) & 0xff), + "DRIVER_OK", show_hostbyte_name(((__entry->result) >> 16) & 0xff), show_msgbyte_name(((__entry->result) >> 8) & 0xff), show_statusbyte_name(__entry->result & 0xff))