From owner-svn-src-all@freebsd.org Thu Sep 24 07:16:36 2015 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6CB11A07BB0; Thu, 24 Sep 2015 07:16:36 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 515D01243; Thu, 24 Sep 2015 07:16:36 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t8O7GaT6091831; Thu, 24 Sep 2015 07:16:36 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t8O7GZ82091827; Thu, 24 Sep 2015 07:16:35 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201509240716.t8O7GZ82091827@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Thu, 24 Sep 2015 07:16:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r288165 - in head/sys/cam: ctl scsi X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Sep 2015 07:16:36 -0000 Author: mav Date: Thu Sep 24 07:16:34 2015 New Revision: 288165 URL: https://svnweb.freebsd.org/changeset/base/288165 Log: Add support for READ BUFFER(16) command. Modified: head/sys/cam/ctl/ctl.c head/sys/cam/ctl/ctl_cmd_table.c head/sys/cam/scsi/scsi_all.h Modified: head/sys/cam/ctl/ctl.c ============================================================================== --- head/sys/cam/ctl/ctl.c Thu Sep 24 00:54:46 2015 (r288164) +++ head/sys/cam/ctl/ctl.c Thu Sep 24 07:16:34 2015 (r288165) @@ -5610,20 +5610,43 @@ bailout: int ctl_read_buffer(struct ctl_scsiio *ctsio) { - struct scsi_read_buffer *cdb; struct ctl_lun *lun; - int buffer_offset, len; + uint64_t buffer_offset; + uint32_t len; + uint8_t byte2; static uint8_t descr[4]; static uint8_t echo_descr[4] = { 0 }; CTL_DEBUG_PRINT(("ctl_read_buffer\n")); - lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr; - cdb = (struct scsi_read_buffer *)ctsio->cdb; + switch (ctsio->cdb[0]) { + case READ_BUFFER: { + struct scsi_read_buffer *cdb; - if ((cdb->byte2 & RWB_MODE) != RWB_MODE_DATA && - (cdb->byte2 & RWB_MODE) != RWB_MODE_ECHO_DESCR && - (cdb->byte2 & RWB_MODE) != RWB_MODE_DESCR) { + cdb = (struct scsi_read_buffer *)ctsio->cdb; + buffer_offset = scsi_3btoul(cdb->offset); + len = scsi_3btoul(cdb->length); + byte2 = cdb->byte2; + break; + } + case READ_BUFFER_16: { + struct scsi_read_buffer_16 *cdb; + + cdb = (struct scsi_read_buffer_16 *)ctsio->cdb; + buffer_offset = scsi_8btou64(cdb->offset); + len = scsi_4btoul(cdb->length); + byte2 = cdb->byte2; + break; + } + default: /* This shouldn't happen. */ + ctl_set_invalid_opcode(ctsio); + ctl_done((union ctl_io *)ctsio); + return (CTL_RETVAL_COMPLETE); + } + + if ((byte2 & RWB_MODE) != RWB_MODE_DATA && + (byte2 & RWB_MODE) != RWB_MODE_ECHO_DESCR && + (byte2 & RWB_MODE) != RWB_MODE_DESCR) { ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, @@ -5634,10 +5657,8 @@ ctl_read_buffer(struct ctl_scsiio *ctsio return (CTL_RETVAL_COMPLETE); } - len = scsi_3btoul(cdb->length); - buffer_offset = scsi_3btoul(cdb->offset); - - if (buffer_offset + len > CTL_WRITE_BUFFER_SIZE) { + if (buffer_offset > CTL_WRITE_BUFFER_SIZE || + buffer_offset + len > CTL_WRITE_BUFFER_SIZE) { ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, @@ -5648,12 +5669,12 @@ ctl_read_buffer(struct ctl_scsiio *ctsio return (CTL_RETVAL_COMPLETE); } - if ((cdb->byte2 & RWB_MODE) == RWB_MODE_DESCR) { + if ((byte2 & RWB_MODE) == RWB_MODE_DESCR) { descr[0] = 0; scsi_ulto3b(CTL_WRITE_BUFFER_SIZE, &descr[1]); ctsio->kern_data_ptr = descr; len = min(len, sizeof(descr)); - } else if ((cdb->byte2 & RWB_MODE) == RWB_MODE_ECHO_DESCR) { + } else if ((byte2 & RWB_MODE) == RWB_MODE_ECHO_DESCR) { ctsio->kern_data_ptr = echo_descr; len = min(len, sizeof(echo_descr)); } else { Modified: head/sys/cam/ctl/ctl_cmd_table.c ============================================================================== --- head/sys/cam/ctl/ctl_cmd_table.c Thu Sep 24 00:54:46 2015 (r288164) +++ head/sys/cam/ctl/ctl_cmd_table.c Thu Sep 24 07:16:34 2015 (r288165) @@ -1155,8 +1155,16 @@ const struct ctl_cmd_entry ctl_cmd_table /* 9A */ {NULL, CTL_SERIDX_INVLD, CTL_CMD_FLAG_NONE, CTL_LUN_PAT_NONE}, -/* 9B */ -{NULL, CTL_SERIDX_INVLD, CTL_CMD_FLAG_NONE, CTL_LUN_PAT_NONE}, +/* 9B READ BUFFER(16) */ +{ctl_read_buffer, CTL_SERIDX_MD_SNS, CTL_CMD_FLAG_OK_ON_BOTH | + CTL_CMD_FLAG_OK_ON_STOPPED | + CTL_CMD_FLAG_OK_ON_INOPERABLE | + CTL_CMD_FLAG_OK_ON_STANDBY | + CTL_FLAG_DATA_IN | + CTL_CMD_FLAG_ALLOW_ON_PR_WRESV, + CTL_LUN_PAT_NONE, + 10, {0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0x07}}, /* 9C WRITE ATOMIC (16) */ {ctl_read_write, CTL_SERIDX_WRITE, CTL_CMD_FLAG_OK_ON_SLUN| CTL_FLAG_DATA_OUT, Modified: head/sys/cam/scsi/scsi_all.h ============================================================================== --- head/sys/cam/scsi/scsi_all.h Thu Sep 24 00:54:46 2015 (r288164) +++ head/sys/cam/scsi/scsi_all.h Thu Sep 24 07:16:34 2015 (r288165) @@ -1002,6 +1002,16 @@ struct scsi_read_buffer u_int8_t control; }; +struct scsi_read_buffer_16 +{ + uint8_t opcode; + uint8_t byte2; + uint8_t offset[8]; + uint8_t length[4]; + uint8_t buffer_id; + uint8_t control; +}; + struct scsi_write_buffer { u_int8_t opcode; @@ -1988,6 +1998,7 @@ struct ata_pass_16 { #define VERIFY_16 0x8F #define SYNCHRONIZE_CACHE_16 0x91 #define WRITE_SAME_16 0x93 +#define READ_BUFFER_16 0x9B #define WRITE_ATOMIC_16 0x9C #define SERVICE_ACTION_IN 0x9E #define REPORT_LUNS 0xA0