1a59d1b8e05ea drivers/firewire/sbp2.c (Thomas Gleixner 2019-05-27 08:55:05 +0200 1) // SPDX-License-Identifier: GPL-2.0-or-later
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 2) /*
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 3) * SBP2 driver (SCSI over IEEE1394)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 4) *
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 5) * Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 6) */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 7)
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 8) /*
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 9) * The basic structure of this driver is based on the old storage driver,
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 10) * drivers/ieee1394/sbp2.c, originally written by
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 11) * James Goodwin <jamesg@filanet.com>
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 12) * with later contributions and ongoing maintenance from
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 13) * Ben Collins <bcollins@debian.org>,
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 14) * Stefan Richter <stefanr@s5r6.in-berlin.de>
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 15) * and many others.
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 16) */
27a15e50fb879 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:39 -0500 17)
7bb6bf7c8ba0b drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:12:17 +0100 18) #include <linux/blkdev.h>
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 19) #include <linux/bug.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 20) #include <linux/completion.h>
7bb6bf7c8ba0b drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:12:17 +0100 21) #include <linux/delay.h>
7bb6bf7c8ba0b drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:12:17 +0100 22) #include <linux/device.h>
7bb6bf7c8ba0b drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:12:17 +0100 23) #include <linux/dma-mapping.h>
77c9a5daa9c4d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-05 16:26:18 +0200 24) #include <linux/firewire.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 25) #include <linux/firewire-constants.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 26) #include <linux/init.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 27) #include <linux/jiffies.h>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 28) #include <linux/kernel.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 29) #include <linux/kref.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 30) #include <linux/list.h>
7bb6bf7c8ba0b drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:12:17 +0100 31) #include <linux/mod_devicetable.h>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 32) #include <linux/module.h>
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 33) #include <linux/moduleparam.h>
0b5b2903449a0 drivers/firewire/fw-sbp2.c (Andrew Morton 2006-12-27 14:49:23 -0800 34) #include <linux/scatterlist.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 35) #include <linux/slab.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 36) #include <linux/spinlock.h>
e7cdf237b2a8b drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-01 13:54:57 +0200 37) #include <linux/string.h>
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 38) #include <linux/stringify.h>
df8ec2490fed5 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-12 12:51:18 +0200 39) #include <linux/workqueue.h>
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 40)
e8ca97021c8eb drivers/firewire/fw-sbp2.c (Stefan Richter 2009-06-04 21:09:38 +0200 41) #include <asm/byteorder.h>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 42)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 43) #include <scsi/scsi.h>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 44) #include <scsi/scsi_cmnd.h>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 45) #include <scsi/scsi_device.h>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 46) #include <scsi/scsi_host.h>
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 47)
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 48) /*
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 49) * So far only bridges from Oxford Semiconductor are known to support
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 50) * concurrent logins. Depending on firmware, four or two concurrent logins
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 51) * are possible on OXFW911 and newer Oxsemi bridges.
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 52) *
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 53) * Concurrent logins are useful together with cluster filesystems.
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 54) */
90ab5ee94171b drivers/firewire/sbp2.c (Rusty Russell 2012-01-13 09:32:20 +1030 55) static bool sbp2_param_exclusive_login = 1;
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 56) module_param_named(exclusive_login, sbp2_param_exclusive_login, bool, 0644);
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 57) MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device "
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 58) "(default = Y, use N for concurrent initiators)");
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 59)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 60) /*
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 61) * Flags for firmware oddities
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 62) *
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 63) * - 128kB max transfer
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 64) * Limit transfer size. Necessary for some old bridges.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 65) *
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 66) * - 36 byte inquiry
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 67) * When scsi_mod probes the device, let the inquiry command look like that
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 68) * from MS Windows.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 69) *
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 70) * - skip mode page 8
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 71) * Suppress sending of mode_sense for mode page 8 if the device pretends to
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 72) * support the SCSI Primary Block commands instead of Reduced Block Commands.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 73) *
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 74) * - fix capacity
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 75) * Tell sd_mod to correct the last sector number reported by read_capacity.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 76) * Avoids access beyond actual disk limits on devices with an off-by-one bug.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 77) * Don't use this with devices which don't have this bug.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 78) *
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 79) * - delay inquiry
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 80) * Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry.
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 81) *
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 82) * - power condition
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 83) * Set the power condition field in the START STOP UNIT commands sent by
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 84) * sd_mod on suspend, resume, and shutdown (if manage_start_stop is on).
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 85) * Some disks need this to spin down or to resume properly.
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 86) *
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 87) * - override internal blacklist
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 88) * Instead of adding to the built-in blacklist, use only the workarounds
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 89) * specified in the module load parameter.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 90) * Useful if a blacklist entry interfered with a non-broken device.
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 91) */
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 92) #define SBP2_WORKAROUND_128K_MAX_TRANS 0x1
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 93) #define SBP2_WORKAROUND_INQUIRY_36 0x2
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 94) #define SBP2_WORKAROUND_MODE_SENSE_8 0x4
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 95) #define SBP2_WORKAROUND_FIX_CAPACITY 0x8
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 96) #define SBP2_WORKAROUND_DELAY_INQUIRY 0x10
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 97) #define SBP2_INQUIRY_DELAY 12
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 98) #define SBP2_WORKAROUND_POWER_CONDITION 0x20
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 99) #define SBP2_WORKAROUND_OVERRIDE 0x100
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 100)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 101) static int sbp2_param_workarounds;
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 102) module_param_named(workarounds, sbp2_param_workarounds, int, 0644);
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 103) MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0"
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 104) ", 128kB max transfer = " __stringify(SBP2_WORKAROUND_128K_MAX_TRANS)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 105) ", 36 byte inquiry = " __stringify(SBP2_WORKAROUND_INQUIRY_36)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 106) ", skip mode page 8 = " __stringify(SBP2_WORKAROUND_MODE_SENSE_8)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 107) ", fix capacity = " __stringify(SBP2_WORKAROUND_FIX_CAPACITY)
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 108) ", delay inquiry = " __stringify(SBP2_WORKAROUND_DELAY_INQUIRY)
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 109) ", set power condition in start stop unit = "
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 110) __stringify(SBP2_WORKAROUND_POWER_CONDITION)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 111) ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 112) ", or a combination)");
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 113)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 114) /*
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 115) * We create one struct sbp2_logical_unit per SBP-2 Logical Unit Number Entry
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 116) * and one struct scsi_device per sbp2_logical_unit.
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 117) */
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 118) struct sbp2_logical_unit {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 119) struct sbp2_target *tgt;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 120) struct list_head link;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 121) struct fw_address_handler address_handler;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 122) struct list_head orb_list;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 123)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 124) u64 command_block_agent_address;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 125) u16 lun;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 126) int login_id;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 127)
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 128) /*
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 129) * The generation is updated once we've logged in or reconnected
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 130) * to the logical unit. Thus, I/O to the device will automatically
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 131) * fail and get retried if it happens in a window where the device
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 132) * is not ready, e.g. after a bus reset but before we reconnect.
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 133) */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 134) int generation;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 135) int retries;
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 136) work_func_t workfn;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 137) struct delayed_work work;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 138) bool has_sdev;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 139) bool blocked;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 140) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 141)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 142) static void sbp2_queue_work(struct sbp2_logical_unit *lu, unsigned long delay)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 143) {
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 144) queue_delayed_work(fw_workqueue, &lu->work, delay);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 145) }
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 146)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 147) /*
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 148) * We create one struct sbp2_target per IEEE 1212 Unit Directory
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 149) * and one struct Scsi_Host per sbp2_target.
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 150) */
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 151) struct sbp2_target {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 152) struct fw_unit *unit;
05cca7381429e drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-26 17:42:45 +0100 153) struct list_head lu_list;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 154)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 155) u64 management_agent_address;
c9755e14a0198 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-24 20:54:28 +0100 156) u64 guid;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 157) int directory_id;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 158) int node_id;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 159) int address_high;
05cca7381429e drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-26 17:42:45 +0100 160) unsigned int workarounds;
384170da9384b drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-25 23:31:12 -0500 161) unsigned int mgt_orb_timeout;
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 162) unsigned int max_payload;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 163)
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 164) spinlock_t lock;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 165) int dont_block; /* counter for each logical unit */
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 166) int blocked; /* ditto */
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 167) };
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 168)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 169) static struct fw_device *target_parent_device(struct sbp2_target *tgt)
e5110d011e030 drivers/firewire/sbp2.c (Stefan Richter 2009-06-06 18:35:27 +0200 170) {
e5110d011e030 drivers/firewire/sbp2.c (Stefan Richter 2009-06-06 18:35:27 +0200 171) return fw_parent_device(tgt->unit);
e5110d011e030 drivers/firewire/sbp2.c (Stefan Richter 2009-06-06 18:35:27 +0200 172) }
e5110d011e030 drivers/firewire/sbp2.c (Stefan Richter 2009-06-06 18:35:27 +0200 173)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 174) static const struct device *tgt_dev(const struct sbp2_target *tgt)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 175) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 176) return &tgt->unit->device;
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 177) }
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 178)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 179) static const struct device *lu_dev(const struct sbp2_logical_unit *lu)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 180) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 181) return &lu->tgt->unit->device;
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 182) }
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 183)
cd1f70fdb4823 drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-10-24 15:26:20 -0400 184) /* Impossible login_id, to detect logout attempt before successful login */
cd1f70fdb4823 drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-10-24 15:26:20 -0400 185) #define INVALID_LOGIN_ID 0x10000
cd1f70fdb4823 drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-10-24 15:26:20 -0400 186)
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 187) #define SBP2_ORB_TIMEOUT 2000U /* Timeout in ms */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 188) #define SBP2_ORB_NULL 0x80000000
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 189) #define SBP2_RETRY_LIMIT 0xf /* 15 retries */
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 190) #define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 191)
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 192) /*
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 193) * There is no transport protocol limit to the CDB length, but we implement
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 194) * a fixed length only. 16 bytes is enough for disks larger than 2 TB.
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 195) */
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 196) #define SBP2_MAX_CDB_SIZE 16
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 197)
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 198) /*
26c72e22c94fb drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 22:26:21 +0200 199) * The maximum SBP-2 data buffer size is 0xffff. We quadlet-align this
26c72e22c94fb drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 22:26:21 +0200 200) * for compatibility with earlier versions of this driver.
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 201) */
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 202) #define SBP2_MAX_SEG_SIZE 0xfffc
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 203)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 204) /* Unit directory keys */
384170da9384b drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-25 23:31:12 -0500 205) #define SBP2_CSR_UNIT_CHARACTERISTICS 0x3a
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 206) #define SBP2_CSR_FIRMWARE_REVISION 0x3c
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 207) #define SBP2_CSR_LOGICAL_UNIT_NUMBER 0x14
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 208) #define SBP2_CSR_UNIT_UNIQUE_ID 0x8d
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 209) #define SBP2_CSR_LOGICAL_UNIT_DIRECTORY 0xd4
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 210)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 211) /* Management orb opcodes */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 212) #define SBP2_LOGIN_REQUEST 0x0
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 213) #define SBP2_QUERY_LOGINS_REQUEST 0x1
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 214) #define SBP2_RECONNECT_REQUEST 0x3
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 215) #define SBP2_SET_PASSWORD_REQUEST 0x4
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 216) #define SBP2_LOGOUT_REQUEST 0x7
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 217) #define SBP2_ABORT_TASK_REQUEST 0xb
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 218) #define SBP2_ABORT_TASK_SET 0xc
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 219) #define SBP2_LOGICAL_UNIT_RESET 0xe
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 220) #define SBP2_TARGET_RESET_REQUEST 0xf
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 221)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 222) /* Offsets for command block agent registers */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 223) #define SBP2_AGENT_STATE 0x00
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 224) #define SBP2_AGENT_RESET 0x04
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 225) #define SBP2_ORB_POINTER 0x08
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 226) #define SBP2_DOORBELL 0x10
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 227) #define SBP2_UNSOLICITED_STATUS_ENABLE 0x14
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 228)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 229) /* Status write response codes */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 230) #define SBP2_STATUS_REQUEST_COMPLETE 0x0
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 231) #define SBP2_STATUS_TRANSPORT_FAILURE 0x1
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 232) #define SBP2_STATUS_ILLEGAL_REQUEST 0x2
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 233) #define SBP2_STATUS_VENDOR_DEPENDENT 0x3
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 234)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 235) #define STATUS_GET_ORB_HIGH(v) ((v).status & 0xffff)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 236) #define STATUS_GET_SBP_STATUS(v) (((v).status >> 16) & 0xff)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 237) #define STATUS_GET_LEN(v) (((v).status >> 24) & 0x07)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 238) #define STATUS_GET_DEAD(v) (((v).status >> 27) & 0x01)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 239) #define STATUS_GET_RESPONSE(v) (((v).status >> 28) & 0x03)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 240) #define STATUS_GET_SOURCE(v) (((v).status >> 30) & 0x03)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 241) #define STATUS_GET_ORB_LOW(v) ((v).orb_low)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 242) #define STATUS_GET_DATA(v) ((v).data)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 243)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 244) struct sbp2_status {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 245) u32 status;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 246) u32 orb_low;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 247) u8 data[24];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 248) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 249)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 250) struct sbp2_pointer {
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 251) __be32 high;
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 252) __be32 low;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 253) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 254)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 255) struct sbp2_orb {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 256) struct fw_transaction t;
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 257) struct kref kref;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 258) dma_addr_t request_bus;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 259) int rcode;
a98e27198771d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:34 -0400 260) void (*callback)(struct sbp2_orb * orb, struct sbp2_status * status);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 261) struct sbp2_logical_unit *lu;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 262) struct list_head link;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 263) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 264)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 265) #define MANAGEMENT_ORB_LUN(v) ((v))
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 266) #define MANAGEMENT_ORB_FUNCTION(v) ((v) << 16)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 267) #define MANAGEMENT_ORB_RECONNECT(v) ((v) << 20)
5cd54c94b0ba4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-17 23:55:41 +0200 268) #define MANAGEMENT_ORB_EXCLUSIVE(v) ((v) ? 1 << 28 : 0)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 269) #define MANAGEMENT_ORB_REQUEST_FORMAT(v) ((v) << 29)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 270) #define MANAGEMENT_ORB_NOTIFY ((1) << 31)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 271)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 272) #define MANAGEMENT_ORB_RESPONSE_LENGTH(v) ((v))
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 273) #define MANAGEMENT_ORB_PASSWORD_LENGTH(v) ((v) << 16)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 274)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 275) struct sbp2_management_orb {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 276) struct sbp2_orb base;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 277) struct {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 278) struct sbp2_pointer password;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 279) struct sbp2_pointer response;
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 280) __be32 misc;
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 281) __be32 length;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 282) struct sbp2_pointer status_fifo;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 283) } request;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 284) __be32 response[4];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 285) dma_addr_t response_bus;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 286) struct completion done;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 287) struct sbp2_status status;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 288) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 289)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 290) struct sbp2_login_response {
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 291) __be32 misc;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 292) struct sbp2_pointer command_block_agent;
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 293) __be32 reconnect_hold;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 294) };
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 295) #define COMMAND_ORB_DATA_SIZE(v) ((v))
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 296) #define COMMAND_ORB_PAGE_SIZE(v) ((v) << 16)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 297) #define COMMAND_ORB_PAGE_TABLE_PRESENT ((1) << 19)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 298) #define COMMAND_ORB_MAX_PAYLOAD(v) ((v) << 20)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 299) #define COMMAND_ORB_SPEED(v) ((v) << 24)
0d7dcbf2a3b60 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:52:02 +0100 300) #define COMMAND_ORB_DIRECTION ((1) << 27)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 301) #define COMMAND_ORB_REQUEST_FORMAT(v) ((v) << 29)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 302) #define COMMAND_ORB_NOTIFY ((1) << 31)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 303)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 304) struct sbp2_command_orb {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 305) struct sbp2_orb base;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 306) struct {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 307) struct sbp2_pointer next;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 308) struct sbp2_pointer data_descriptor;
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 309) __be32 misc;
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 310) u8 command_block[SBP2_MAX_CDB_SIZE];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 311) } request;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 312) struct scsi_cmnd *cmd;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 313)
9fb2dd12c0199 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-01 13:55:31 +0200 314) struct sbp2_pointer page_table[SG_ALL] __attribute__((aligned(8)));
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 315) dma_addr_t page_table_bus;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 316) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 317)
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 318) #define SBP2_ROM_VALUE_WILDCARD ~0 /* match all */
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 319) #define SBP2_ROM_VALUE_MISSING 0xff000000 /* not present in the unit dir. */
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 320)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 321) /*
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 322) * List of devices with known bugs.
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 323) *
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 324) * The firmware_revision field, masked with 0xffff00, is the best
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 325) * indicator for the type of bridge chip of a device. It yields a few
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 326) * false positives but this did not break correctly behaving devices
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 327) * so far.
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 328) */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 329) static const struct {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 330) u32 firmware_revision;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 331) u32 model;
05cca7381429e drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-26 17:42:45 +0100 332) unsigned int workarounds;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 333) } sbp2_workarounds_table[] = {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 334) /* DViCO Momobay CX-1 with TSB42AA9 bridge */ {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 335) .firmware_revision = 0x002800,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 336) .model = 0x001010,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 337) .workarounds = SBP2_WORKAROUND_INQUIRY_36 |
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 338) SBP2_WORKAROUND_MODE_SENSE_8 |
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 339) SBP2_WORKAROUND_POWER_CONDITION,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 340) },
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 341) /* DViCO Momobay FX-3A with TSB42AA9A bridge */ {
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 342) .firmware_revision = 0x002800,
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 343) .model = 0x000000,
3c5f80357c3fb drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 19:33:50 +0200 344) .workarounds = SBP2_WORKAROUND_POWER_CONDITION,
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 345) },
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 346) /* Initio bridges, actually only needed for some older ones */ {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 347) .firmware_revision = 0x000200,
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 348) .model = SBP2_ROM_VALUE_WILDCARD,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 349) .workarounds = SBP2_WORKAROUND_INQUIRY_36,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 350) },
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 351) /* PL-3507 bridge with Prolific firmware */ {
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 352) .firmware_revision = 0x012800,
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 353) .model = SBP2_ROM_VALUE_WILDCARD,
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 354) .workarounds = SBP2_WORKAROUND_POWER_CONDITION,
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 355) },
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 356) /* Symbios bridge */ {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 357) .firmware_revision = 0xa0b800,
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 358) .model = SBP2_ROM_VALUE_WILDCARD,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 359) .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 360) },
2aa9ff7fc5bc4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-11 22:32:03 +0100 361) /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ {
2aa9ff7fc5bc4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-11 22:32:03 +0100 362) .firmware_revision = 0x002600,
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 363) .model = SBP2_ROM_VALUE_WILDCARD,
2aa9ff7fc5bc4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-11 22:32:03 +0100 364) .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS,
2aa9ff7fc5bc4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-11 22:32:03 +0100 365) },
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 366) /*
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 367) * iPod 2nd generation: needs 128k max transfer size workaround
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 368) * iPod 3rd generation: needs fix capacity workaround
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 369) */
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 370) {
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 371) .firmware_revision = 0x0a2700,
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 372) .model = 0x000000,
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 373) .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS |
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 374) SBP2_WORKAROUND_FIX_CAPACITY,
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 375) },
c8c4707cf7ca8 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-29 00:11:59 +0100 376) /* iPod 4th generation */ {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 377) .firmware_revision = 0x0a2700,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 378) .model = 0x000021,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 379) .workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 380) },
031bb27c4bf77 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-11-22 12:38:58 +0100 381) /* iPod mini */ {
031bb27c4bf77 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-11-22 12:38:58 +0100 382) .firmware_revision = 0x0a2700,
031bb27c4bf77 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-11-22 12:38:58 +0100 383) .model = 0x000022,
031bb27c4bf77 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-11-22 12:38:58 +0100 384) .workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
031bb27c4bf77 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-11-22 12:38:58 +0100 385) },
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 386) /* iPod mini */ {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 387) .firmware_revision = 0x0a2700,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 388) .model = 0x000023,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 389) .workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 390) },
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 391) /* iPod Photo */ {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 392) .firmware_revision = 0x0a2700,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 393) .model = 0x00007e,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 394) .workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 395) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 396) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 397)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 398) static void free_orb(struct kref *kref)
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 399) {
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 400) struct sbp2_orb *orb = container_of(kref, struct sbp2_orb, kref);
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 401)
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 402) kfree(orb);
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 403) }
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 404)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 405) static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 406) int tcode, int destination, int source,
33e553fe2b4a9 drivers/firewire/sbp2.c (Stefan Richter 2010-06-20 22:50:35 +0200 407) int generation, unsigned long long offset,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 408) void *payload, size_t length, void *callback_data)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 409) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 410) struct sbp2_logical_unit *lu = callback_data;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 411) struct sbp2_orb *orb;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 412) struct sbp2_status status;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 413) unsigned long flags;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 414)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 415) if (tcode != TCODE_WRITE_BLOCK_REQUEST ||
094614fc14966 drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 18:51:27 +0200 416) length < 8 || length > sizeof(status)) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 417) fw_send_response(card, request, RCODE_TYPE_ERROR);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 418) return;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 419) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 420)
094614fc14966 drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 18:51:27 +0200 421) status.status = be32_to_cpup(payload);
094614fc14966 drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 18:51:27 +0200 422) status.orb_low = be32_to_cpup(payload + 4);
094614fc14966 drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 18:51:27 +0200 423) memset(status.data, 0, sizeof(status.data));
094614fc14966 drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 18:51:27 +0200 424) if (length > 8)
094614fc14966 drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 18:51:27 +0200 425) memcpy(status.data, payload + 8, length - 8);
094614fc14966 drivers/firewire/sbp2.c (Stefan Richter 2009-09-06 18:51:27 +0200 426)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 427) if (STATUS_GET_SOURCE(status) == 2 || STATUS_GET_SOURCE(status) == 3) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 428) dev_notice(lu_dev(lu),
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 429) "non-ORB related status write, not handled\n");
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 430) fw_send_response(card, request, RCODE_COMPLETE);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 431) return;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 432) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 433)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 434) /* Lookup the orb corresponding to this status write. */
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 435) spin_lock_irqsave(&lu->tgt->lock, flags);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 436) list_for_each_entry(orb, &lu->orb_list, link) {
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 437) if (STATUS_GET_ORB_HIGH(status) == 0 &&
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 438) STATUS_GET_ORB_LOW(status) == orb->request_bus) {
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 439) orb->rcode = RCODE_COMPLETE;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 440) list_del(&orb->link);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 441) break;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 442) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 443) }
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 444) spin_unlock_irqrestore(&lu->tgt->lock, flags);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 445)
baed6b82d9f16 drivers/firewire/sbp2.c (Stefan Richter 2009-09-03 23:07:35 +0200 446) if (&orb->link != &lu->orb_list) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 447) orb->callback(orb, &status);
6c74340bce253 drivers/firewire/sbp2.c (Stefan Richter 2010-08-16 21:58:03 +0200 448) kref_put(&orb->kref, free_orb); /* orb callback reference */
baed6b82d9f16 drivers/firewire/sbp2.c (Stefan Richter 2009-09-03 23:07:35 +0200 449) } else {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 450) dev_err(lu_dev(lu), "status write for unknown ORB\n");
baed6b82d9f16 drivers/firewire/sbp2.c (Stefan Richter 2009-09-03 23:07:35 +0200 451) }
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 452)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 453) fw_send_response(card, request, RCODE_COMPLETE);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 454) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 455)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 456) static void complete_transaction(struct fw_card *card, int rcode,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 457) void *payload, size_t length, void *data)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 458) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 459) struct sbp2_orb *orb = data;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 460) unsigned long flags;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 461)
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 462) /*
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 463) * This is a little tricky. We can get the status write for
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 464) * the orb before we get this callback. The status write
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 465) * handler above will assume the orb pointer transaction was
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 466) * successful and set the rcode to RCODE_COMPLETE for the orb.
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 467) * So this callback only sets the rcode if it hasn't already
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 468) * been set and only does the cleanup if the transaction
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 469) * failed and we didn't already get a status write.
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 470) */
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 471) spin_lock_irqsave(&orb->lu->tgt->lock, flags);
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 472)
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 473) if (orb->rcode == -1)
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 474) orb->rcode = rcode;
7a4e1e9c682cd drivers/firewire/sbp2.c (Stefan Richter 2011-03-15 00:04:42 +0100 475) if (orb->rcode != RCODE_COMPLETE) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 476) list_del(&orb->link);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 477) spin_unlock_irqrestore(&orb->lu->tgt->lock, flags);
6c74340bce253 drivers/firewire/sbp2.c (Stefan Richter 2010-08-16 21:58:03 +0200 478)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 479) orb->callback(orb, NULL);
6c74340bce253 drivers/firewire/sbp2.c (Stefan Richter 2010-08-16 21:58:03 +0200 480) kref_put(&orb->kref, free_orb); /* orb callback reference */
1b34e97441384 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 10:40:42 +0200 481) } else {
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 482) spin_unlock_irqrestore(&orb->lu->tgt->lock, flags);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 483) }
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 484)
6c74340bce253 drivers/firewire/sbp2.c (Stefan Richter 2010-08-16 21:58:03 +0200 485) kref_put(&orb->kref, free_orb); /* transaction callback reference */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 486) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 487)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 488) static void sbp2_send_orb(struct sbp2_orb *orb, struct sbp2_logical_unit *lu,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 489) int node_id, int generation, u64 offset)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 490) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 491) struct fw_device *device = target_parent_device(lu->tgt);
81bf52d8622f0 drivers/firewire/sbp2.c (Stefan Richter 2011-05-01 21:06:42 +0200 492) struct sbp2_pointer orb_pointer;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 493) unsigned long flags;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 494)
81bf52d8622f0 drivers/firewire/sbp2.c (Stefan Richter 2011-05-01 21:06:42 +0200 495) orb_pointer.high = 0;
81bf52d8622f0 drivers/firewire/sbp2.c (Stefan Richter 2011-05-01 21:06:42 +0200 496) orb_pointer.low = cpu_to_be32(orb->request_bus);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 497)
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 498) orb->lu = lu;
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 499) spin_lock_irqsave(&lu->tgt->lock, flags);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 500) list_add_tail(&orb->link, &lu->orb_list);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 501) spin_unlock_irqrestore(&lu->tgt->lock, flags);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 502)
6c74340bce253 drivers/firewire/sbp2.c (Stefan Richter 2010-08-16 21:58:03 +0200 503) kref_get(&orb->kref); /* transaction callback reference */
6c74340bce253 drivers/firewire/sbp2.c (Stefan Richter 2010-08-16 21:58:03 +0200 504) kref_get(&orb->kref); /* orb callback reference */
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 505)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 506) fw_send_request(device->card, &orb->t, TCODE_WRITE_BLOCK_REQUEST,
f1397490017e3 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-10 21:31:36 +0200 507) node_id, generation, device->max_speed, offset,
81bf52d8622f0 drivers/firewire/sbp2.c (Stefan Richter 2011-05-01 21:06:42 +0200 508) &orb_pointer, 8, complete_transaction, orb);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 509) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 510)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 511) static int sbp2_cancel_orbs(struct sbp2_logical_unit *lu)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 512) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 513) struct fw_device *device = target_parent_device(lu->tgt);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 514) struct sbp2_orb *orb, *next;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 515) struct list_head list;
2aaad97be6b58 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-03-07 12:12:47 -0500 516) int retval = -ENOENT;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 517)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 518) INIT_LIST_HEAD(&list);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 519) spin_lock_irq(&lu->tgt->lock);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 520) list_splice_init(&lu->orb_list, &list);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 521) spin_unlock_irq(&lu->tgt->lock);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 522)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 523) list_for_each_entry_safe(orb, next, &list, link) {
2aaad97be6b58 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-03-07 12:12:47 -0500 524) retval = 0;
7a4e1e9c682cd drivers/firewire/sbp2.c (Stefan Richter 2011-03-15 00:04:42 +0100 525) if (fw_cancel_transaction(device->card, &orb->t) == 0)
7a4e1e9c682cd drivers/firewire/sbp2.c (Stefan Richter 2011-03-15 00:04:42 +0100 526) continue;
730c32f58ba81 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:32 -0500 527)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 528) orb->rcode = RCODE_CANCELLED;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 529) orb->callback(orb, NULL);
6c74340bce253 drivers/firewire/sbp2.c (Stefan Richter 2010-08-16 21:58:03 +0200 530) kref_put(&orb->kref, free_orb); /* orb callback reference */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 531) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 532)
2aaad97be6b58 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-03-07 12:12:47 -0500 533) return retval;
1d3d52c5367e0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:33 -0500 534) }
1d3d52c5367e0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:33 -0500 535)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 536) static void complete_management_orb(struct sbp2_orb *base_orb,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 537) struct sbp2_status *status)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 538) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 539) struct sbp2_management_orb *orb =
6f061487f7d31 drivers/firewire/fw-sbp2.c (Jay Fenlason 2007-06-27 16:04:33 -0400 540) container_of(base_orb, struct sbp2_management_orb, base);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 541)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 542) if (status)
2d826cc5c791b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:14 -0400 543) memcpy(&orb->status, status, sizeof(*status));
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 544) complete(&orb->done);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 545) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 546)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 547) static int sbp2_send_management_orb(struct sbp2_logical_unit *lu, int node_id,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 548) int generation, int function,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 549) int lun_or_login_id, void *response)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 550) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 551) struct fw_device *device = target_parent_device(lu->tgt);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 552) struct sbp2_management_orb *orb;
a4c379c1979fb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-19 13:15:05 +0100 553) unsigned int timeout;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 554) int retval = -ENOMEM;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 555)
be6f48b017458 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-27 19:14:44 +0100 556) if (function == SBP2_LOGOUT_REQUEST && fw_device_is_shutdown(device))
be6f48b017458 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-27 19:14:44 +0100 557) return 0;
be6f48b017458 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-27 19:14:44 +0100 558)
c13ccfcf66b2e drivers/firewire/sbp2.c (Stefan Richter 2012-03-04 14:23:00 +0100 559) orb = kzalloc(sizeof(*orb), GFP_NOIO);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 560) if (orb == NULL)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 561) return -ENOMEM;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 562)
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 563) kref_init(&orb->base.kref);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 564) orb->response_bus =
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 565) dma_map_single(device->card->device, &orb->response,
2d826cc5c791b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:14 -0400 566) sizeof(orb->response), DMA_FROM_DEVICE);
8d8bb39b9eba3 drivers/firewire/fw-sbp2.c (FUJITA Tomonori 2008-07-25 19:44:49 -0700 567) if (dma_mapping_error(device->card->device, orb->response_bus))
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 568) goto fail_mapping_response;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 569)
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 570) orb->request.response.high = 0;
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 571) orb->request.response.low = cpu_to_be32(orb->response_bus);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 572)
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 573) orb->request.misc = cpu_to_be32(
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 574) MANAGEMENT_ORB_NOTIFY |
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 575) MANAGEMENT_ORB_FUNCTION(function) |
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 576) MANAGEMENT_ORB_LUN(lun_or_login_id));
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 577) orb->request.length = cpu_to_be32(
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 578) MANAGEMENT_ORB_RESPONSE_LENGTH(sizeof(orb->response)));
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 579)
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 580) orb->request.status_fifo.high =
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 581) cpu_to_be32(lu->address_handler.offset >> 32);
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 582) orb->request.status_fifo.low =
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 583) cpu_to_be32(lu->address_handler.offset);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 584)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 585) if (function == SBP2_LOGIN_REQUEST) {
14dc992aa782f drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-20 01:25:31 +0100 586) /* Ask for 2^2 == 4 seconds reconnect grace period */
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 587) orb->request.misc |= cpu_to_be32(
14dc992aa782f drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-20 01:25:31 +0100 588) MANAGEMENT_ORB_RECONNECT(2) |
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 589) MANAGEMENT_ORB_EXCLUSIVE(sbp2_param_exclusive_login));
384170da9384b drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-25 23:31:12 -0500 590) timeout = lu->tgt->mgt_orb_timeout;
a4c379c1979fb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-19 13:15:05 +0100 591) } else {
a4c379c1979fb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-19 13:15:05 +0100 592) timeout = SBP2_ORB_TIMEOUT;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 593) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 594)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 595) init_completion(&orb->done);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 596) orb->base.callback = complete_management_orb;
2aaad97be6b58 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-03-07 12:12:47 -0500 597)
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 598) orb->base.request_bus =
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 599) dma_map_single(device->card->device, &orb->request,
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 600) sizeof(orb->request), DMA_TO_DEVICE);
8d8bb39b9eba3 drivers/firewire/fw-sbp2.c (FUJITA Tomonori 2008-07-25 19:44:49 -0700 601) if (dma_mapping_error(device->card->device, orb->base.request_bus))
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 602) goto fail_mapping_request;
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 603)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 604) sbp2_send_orb(&orb->base, lu, node_id, generation,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 605) lu->tgt->management_agent_address);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 606)
a4c379c1979fb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-19 13:15:05 +0100 607) wait_for_completion_timeout(&orb->done, msecs_to_jiffies(timeout));
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 608)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 609) retval = -EIO;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 610) if (sbp2_cancel_orbs(lu) == 0) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 611) dev_err(lu_dev(lu), "ORB reply timed out, rcode 0x%02x\n",
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 612) orb->base.rcode);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 613) goto out;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 614) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 615)
2aaad97be6b58 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-03-07 12:12:47 -0500 616) if (orb->base.rcode != RCODE_COMPLETE) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 617) dev_err(lu_dev(lu), "management write failed, rcode 0x%02x\n",
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 618) orb->base.rcode);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 619) goto out;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 620) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 621)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 622) if (STATUS_GET_RESPONSE(orb->status) != 0 ||
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 623) STATUS_GET_SBP_STATUS(orb->status) != 0) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 624) dev_err(lu_dev(lu), "error status: %d:%d\n",
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 625) STATUS_GET_RESPONSE(orb->status),
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 626) STATUS_GET_SBP_STATUS(orb->status));
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 627) goto out;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 628) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 629)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 630) retval = 0;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 631) out:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 632) dma_unmap_single(device->card->device, orb->base.request_bus,
2d826cc5c791b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:14 -0400 633) sizeof(orb->request), DMA_TO_DEVICE);
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 634) fail_mapping_request:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 635) dma_unmap_single(device->card->device, orb->response_bus,
2d826cc5c791b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:14 -0400 636) sizeof(orb->response), DMA_FROM_DEVICE);
7aa484815f8c4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:44 +0200 637) fail_mapping_response:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 638) if (response)
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 639) memcpy(response, orb->response, sizeof(orb->response));
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 640) kref_put(&orb->base.kref, free_orb);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 641)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 642) return retval;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 643) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 644)
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 645) static void sbp2_agent_reset(struct sbp2_logical_unit *lu)
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 646) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 647) struct fw_device *device = target_parent_device(lu->tgt);
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 648) __be32 d = 0;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 649)
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 650) fw_run_transaction(device->card, TCODE_WRITE_QUADLET_REQUEST,
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 651) lu->tgt->node_id, lu->generation, device->max_speed,
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 652) lu->command_block_agent_address + SBP2_AGENT_RESET,
e847cc832bab5 drivers/firewire/sbp2.c (Stefan Richter 2010-06-12 20:29:07 +0200 653) &d, 4);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 654) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 655)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 656) static void complete_agent_reset_write_no_wait(struct fw_card *card,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 657) int rcode, void *payload, size_t length, void *data)
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 658) {
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 659) kfree(data);
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 660) }
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 661)
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 662) static void sbp2_agent_reset_no_wait(struct sbp2_logical_unit *lu)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 663) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 664) struct fw_device *device = target_parent_device(lu->tgt);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 665) struct fw_transaction *t;
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 666) static __be32 d;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 667)
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 668) t = kmalloc(sizeof(*t), GFP_ATOMIC);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 669) if (t == NULL)
e0e60215552d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:08:58 +0100 670) return;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 671)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 672) fw_send_request(device->card, t, TCODE_WRITE_QUADLET_REQUEST,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 673) lu->tgt->node_id, lu->generation, device->max_speed,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 674) lu->command_block_agent_address + SBP2_AGENT_RESET,
e847cc832bab5 drivers/firewire/sbp2.c (Stefan Richter 2010-06-12 20:29:07 +0200 675) &d, 4, complete_agent_reset_write_no_wait, t);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 676) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 677)
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 678) static inline void sbp2_allow_block(struct sbp2_target *tgt)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 679) {
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 680) spin_lock_irq(&tgt->lock);
0765cbd3be699 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:22:35 +0100 681) --tgt->dont_block;
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 682) spin_unlock_irq(&tgt->lock);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 683) }
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 684)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 685) /*
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 686) * Blocks lu->tgt if all of the following conditions are met:
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 687) * - Login, INQUIRY, and high-level SCSI setup of all of the target's
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 688) * logical units have been finished (indicated by dont_block == 0).
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 689) * - lu->generation is stale.
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 690) *
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 691) * Note, scsi_block_requests() must be called while holding tgt->lock,
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 692) * otherwise it might foil sbp2_[conditionally_]unblock()'s attempt to
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 693) * unblock the target.
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 694) */
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 695) static void sbp2_conditionally_block(struct sbp2_logical_unit *lu)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 696) {
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 697) struct sbp2_target *tgt = lu->tgt;
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 698) struct fw_card *card = target_parent_device(tgt)->card;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 699) struct Scsi_Host *shost =
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 700) container_of((void *)tgt, struct Scsi_Host, hostdata[0]);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 701) unsigned long flags;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 702)
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 703) spin_lock_irqsave(&tgt->lock, flags);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 704) if (!tgt->dont_block && !lu->blocked &&
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 705) lu->generation != card->generation) {
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 706) lu->blocked = true;
a5fd9ec7a2920 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:53:45 +0100 707) if (++tgt->blocked == 1)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 708) scsi_block_requests(shost);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 709) }
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 710) spin_unlock_irqrestore(&tgt->lock, flags);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 711) }
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 712)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 713) /*
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 714) * Unblocks lu->tgt as soon as all its logical units can be unblocked.
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 715) * Note, it is harmless to run scsi_unblock_requests() outside the
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 716) * tgt->lock protected section. On the other hand, running it inside
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 717) * the section might clash with shost->host_lock.
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 718) */
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 719) static void sbp2_conditionally_unblock(struct sbp2_logical_unit *lu)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 720) {
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 721) struct sbp2_target *tgt = lu->tgt;
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 722) struct fw_card *card = target_parent_device(tgt)->card;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 723) struct Scsi_Host *shost =
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 724) container_of((void *)tgt, struct Scsi_Host, hostdata[0]);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 725) bool unblock = false;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 726)
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 727) spin_lock_irq(&tgt->lock);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 728) if (lu->blocked && lu->generation == card->generation) {
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 729) lu->blocked = false;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 730) unblock = --tgt->blocked == 0;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 731) }
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 732) spin_unlock_irq(&tgt->lock);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 733)
a5fd9ec7a2920 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:53:45 +0100 734) if (unblock)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 735) scsi_unblock_requests(shost);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 736) }
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 737)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 738) /*
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 739) * Prevents future blocking of tgt and unblocks it.
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 740) * Note, it is harmless to run scsi_unblock_requests() outside the
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 741) * tgt->lock protected section. On the other hand, running it inside
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 742) * the section might clash with shost->host_lock.
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 743) */
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 744) static void sbp2_unblock(struct sbp2_target *tgt)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 745) {
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 746) struct Scsi_Host *shost =
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 747) container_of((void *)tgt, struct Scsi_Host, hostdata[0]);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 748)
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 749) spin_lock_irq(&tgt->lock);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 750) ++tgt->dont_block;
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 751) spin_unlock_irq(&tgt->lock);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 752)
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 753) scsi_unblock_requests(shost);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 754) }
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 755)
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 756) static int sbp2_lun2int(u16 lun)
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 757) {
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 758) struct scsi_lun eight_bytes_lun;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 759)
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 760) memset(&eight_bytes_lun, 0, sizeof(eight_bytes_lun));
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 761) eight_bytes_lun.scsi_lun[0] = (lun >> 8) & 0xff;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 762) eight_bytes_lun.scsi_lun[1] = lun & 0xff;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 763)
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 764) return scsilun_to_int(&eight_bytes_lun);
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 765) }
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 766)
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 767) /*
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 768) * Write retransmit retry values into the BUSY_TIMEOUT register.
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 769) * - The single-phase retry protocol is supported by all SBP-2 devices, but the
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 770) * default retry_limit value is 0 (i.e. never retry transmission). We write a
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 771) * saner value after logging into the device.
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 772) * - The dual-phase retry protocol is optional to implement, and if not
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 773) * supported, writes to the dual-phase portion of the register will be
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 774) * ignored. We try to write the original 1394-1995 default here.
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 775) * - In the case of devices that are also SBP-3-compliant, all writes are
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 776) * ignored, as the register is read-only, but contains single-phase retry of
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 777) * 15, which is what we're trying to set for all SBP-2 device anyway, so this
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 778) * write attempt is safe and yields more consistent behavior for all devices.
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 779) *
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 780) * See section 8.3.2.3.5 of the 1394-1995 spec, section 6.2 of the SBP-2 spec,
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 781) * and section 6.4 of the SBP-3 spec for further details.
17cff9ff871bb drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:31 -0500 782) */
51f9dbef5be41 drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:01 -0500 783) static void sbp2_set_busy_timeout(struct sbp2_logical_unit *lu)
51f9dbef5be41 drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:01 -0500 784) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 785) struct fw_device *device = target_parent_device(lu->tgt);
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 786) __be32 d = cpu_to_be32(SBP2_CYCLE_LIMIT | SBP2_RETRY_LIMIT);
51f9dbef5be41 drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:01 -0500 787)
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 788) fw_run_transaction(device->card, TCODE_WRITE_QUADLET_REQUEST,
1e119fa9950df drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-07-20 14:20:53 +0200 789) lu->tgt->node_id, lu->generation, device->max_speed,
e847cc832bab5 drivers/firewire/sbp2.c (Stefan Richter 2010-06-12 20:29:07 +0200 790) CSR_REGISTER_BASE + CSR_BUSY_TIMEOUT, &d, 4);
51f9dbef5be41 drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:01 -0500 791) }
51f9dbef5be41 drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:01 -0500 792)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 793) static void sbp2_reconnect(struct work_struct *work);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 794)
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 795) static void sbp2_login(struct work_struct *work)
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 796) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 797) struct sbp2_logical_unit *lu =
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 798) container_of(work, struct sbp2_logical_unit, work.work);
48f18c761c001 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:09:50 +0100 799) struct sbp2_target *tgt = lu->tgt;
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 800) struct fw_device *device = target_parent_device(tgt);
48f18c761c001 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:09:50 +0100 801) struct Scsi_Host *shost;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 802) struct scsi_device *sdev;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 803) struct sbp2_login_response response;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 804) int generation, node_id, local_node_id;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 805)
be6f48b017458 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-27 19:14:44 +0100 806) if (fw_device_is_shutdown(device))
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 807) return;
be6f48b017458 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-27 19:14:44 +0100 808)
5a8a1bcd15dfb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-24 01:53:19 +0100 809) generation = device->generation;
621f6dd715209 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-10-26 11:04:20 +0100 810) smp_rmb(); /* node IDs must not be older than generation */
5a8a1bcd15dfb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-24 01:53:19 +0100 811) node_id = device->node_id;
5a8a1bcd15dfb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-24 01:53:19 +0100 812) local_node_id = device->card->node_id;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 813)
ce896d95cc788 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:11:39 +0100 814) /* If this is a re-login attempt, log out, or we might be rejected. */
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 815) if (lu->has_sdev)
ce896d95cc788 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:11:39 +0100 816) sbp2_send_management_orb(lu, device->node_id, generation,
ce896d95cc788 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:11:39 +0100 817) SBP2_LOGOUT_REQUEST, lu->login_id, NULL);
ce896d95cc788 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:11:39 +0100 818)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 819) if (sbp2_send_management_orb(lu, node_id, generation,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 820) SBP2_LOGIN_REQUEST, lu->lun, &response) < 0) {
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 821) if (lu->retries++ < 5) {
285838eb22ef0 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-11-07 01:12:51 +0100 822) sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5));
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 823) } else {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 824) dev_err(tgt_dev(tgt), "failed to login to LUN %04x\n",
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 825) lu->lun);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 826) /* Let any waiting I/O fail from now on. */
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 827) sbp2_unblock(lu->tgt);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 828) }
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 829) return;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 830) }
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 831)
48f18c761c001 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:09:50 +0100 832) tgt->node_id = node_id;
48f18c761c001 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:09:50 +0100 833) tgt->address_high = local_node_id << 16;
621f6dd715209 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-10-26 11:04:20 +0100 834) smp_wmb(); /* node IDs must not be older than generation */
621f6dd715209 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-10-26 11:04:20 +0100 835) lu->generation = generation;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 836)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 837) lu->command_block_agent_address =
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 838) ((u64)(be32_to_cpu(response.command_block_agent.high) & 0xffff)
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 839) << 32) | be32_to_cpu(response.command_block_agent.low);
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 840) lu->login_id = be32_to_cpu(response.misc) & 0xffff;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 841)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 842) dev_notice(tgt_dev(tgt), "logged in to LUN %04x (%d retries)\n",
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 843) lu->lun, lu->retries);
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 844)
51f9dbef5be41 drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:01 -0500 845) /* set appropriate retry limit(s) in BUSY_TIMEOUT register */
51f9dbef5be41 drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-03-07 01:43:01 -0500 846) sbp2_set_busy_timeout(lu);
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 847)
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 848) lu->workfn = sbp2_reconnect;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 849) sbp2_agent_reset(lu);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 850)
0fa6dfdb0a276 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:10:47 +0100 851) /* This was a re-login. */
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 852) if (lu->has_sdev) {
0fa6dfdb0a276 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:10:47 +0100 853) sbp2_cancel_orbs(lu);
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 854) sbp2_conditionally_unblock(lu);
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 855)
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 856) return;
0fa6dfdb0a276 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:10:47 +0100 857) }
0fa6dfdb0a276 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:10:47 +0100 858)
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 859) if (lu->tgt->workarounds & SBP2_WORKAROUND_DELAY_INQUIRY)
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 860) ssleep(SBP2_INQUIRY_DELAY);
9220f1946209a drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:04:38 +0100 861)
48f18c761c001 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-03 23:09:50 +0100 862) shost = container_of((void *)tgt, struct Scsi_Host, hostdata[0]);
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 863) sdev = __scsi_add_device(shost, 0, 0, sbp2_lun2int(lu->lun), lu);
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 864) /*
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 865) * FIXME: We are unable to perform reconnects while in sbp2_login().
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 866) * Therefore __scsi_add_device() will get into trouble if a bus reset
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 867) * happens in parallel. It will either fail or leave us with an
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 868) * unusable sdev. As a workaround we check for this and retry the
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 869) * whole login and SCSI probing.
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 870) */
1b9c12ba2fdf8 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-26 17:43:23 +0100 871)
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 872) /* Reported error during __scsi_add_device() */
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 873) if (IS_ERR(sdev))
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 874) goto out_logout_login;
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 875)
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 876) /* Unreported error during __scsi_add_device() */
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 877) smp_rmb(); /* get current card generation */
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 878) if (generation != device->card->generation) {
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 879) scsi_remove_device(sdev);
33f1c6c3529f5 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-19 09:05:49 +0100 880) scsi_device_put(sdev);
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 881) goto out_logout_login;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 882) }
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 883)
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 884) /* No error during __scsi_add_device() */
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 885) lu->has_sdev = true;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 886) scsi_device_put(sdev);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 887) sbp2_allow_block(tgt);
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 888)
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 889) return;
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 890)
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 891) out_logout_login:
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 892) smp_rmb(); /* generation may have changed */
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 893) generation = device->generation;
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 894) smp_rmb(); /* node_id must not be older than generation */
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 895)
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 896) sbp2_send_management_orb(lu, device->node_id, generation,
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 897) SBP2_LOGOUT_REQUEST, lu->login_id, NULL);
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 898) /*
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 899) * If a bus reset happened, sbp2_update will have requeued
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 900) * lu->work already. Reset the work from reconnect to login.
e80de3704ac30 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-15 21:29:02 +0100 901) */
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 902) lu->workfn = sbp2_login;
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 903) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 904)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 905) static void sbp2_reconnect(struct work_struct *work)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 906) {
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 907) struct sbp2_logical_unit *lu =
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 908) container_of(work, struct sbp2_logical_unit, work.work);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 909) struct sbp2_target *tgt = lu->tgt;
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 910) struct fw_device *device = target_parent_device(tgt);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 911) int generation, node_id, local_node_id;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 912)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 913) if (fw_device_is_shutdown(device))
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 914) return;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 915)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 916) generation = device->generation;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 917) smp_rmb(); /* node IDs must not be older than generation */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 918) node_id = device->node_id;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 919) local_node_id = device->card->node_id;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 920)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 921) if (sbp2_send_management_orb(lu, node_id, generation,
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 922) SBP2_RECONNECT_REQUEST,
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 923) lu->login_id, NULL) < 0) {
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 924) /*
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 925) * If reconnect was impossible even though we are in the
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 926) * current generation, fall back and try to log in again.
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 927) *
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 928) * We could check for "Function rejected" status, but
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 929) * looking at the bus generation as simpler and more general.
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 930) */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 931) smp_rmb(); /* get current card generation */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 932) if (generation == device->card->generation ||
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 933) lu->retries++ >= 5) {
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 934) dev_err(tgt_dev(tgt), "failed to reconnect\n");
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 935) lu->retries = 0;
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 936) lu->workfn = sbp2_login;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 937) }
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 938) sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5));
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 939)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 940) return;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 941) }
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 942)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 943) tgt->node_id = node_id;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 944) tgt->address_high = local_node_id << 16;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 945) smp_wmb(); /* node IDs must not be older than generation */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 946) lu->generation = generation;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 947)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 948) dev_notice(tgt_dev(tgt), "reconnected to LUN %04x (%d retries)\n",
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 949) lu->lun, lu->retries);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 950)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 951) sbp2_agent_reset(lu);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 952) sbp2_cancel_orbs(lu);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 953) sbp2_conditionally_unblock(lu);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 954) }
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 955)
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 956) static void sbp2_lu_workfn(struct work_struct *work)
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 957) {
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 958) struct sbp2_logical_unit *lu = container_of(to_delayed_work(work),
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 959) struct sbp2_logical_unit, work);
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 960) lu->workfn(work);
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 961) }
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 962)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 963) static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 964) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 965) struct sbp2_logical_unit *lu;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 966)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 967) lu = kmalloc(sizeof(*lu), GFP_KERNEL);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 968) if (!lu)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 969) return -ENOMEM;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 970)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 971) lu->address_handler.length = 0x100;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 972) lu->address_handler.address_callback = sbp2_status_write;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 973) lu->address_handler.callback_data = lu;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 974)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 975) if (fw_core_add_address_handler(&lu->address_handler,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 976) &fw_high_memory_region) < 0) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 977) kfree(lu);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 978) return -ENOMEM;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 979) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 980)
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 981) lu->tgt = tgt;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 982) lu->lun = lun_entry & 0xffff;
cd1f70fdb4823 drivers/firewire/fw-sbp2.c (Jay Fenlason 2008-10-24 15:26:20 -0400 983) lu->login_id = INVALID_LOGIN_ID;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 984) lu->retries = 0;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 985) lu->has_sdev = false;
f8436158b1d76 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-26 23:30:02 +0100 986) lu->blocked = false;
2e2705bdcb959 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-16 16:37:28 +0100 987) ++tgt->dont_block;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 988) INIT_LIST_HEAD(&lu->orb_list);
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 989) lu->workfn = sbp2_login;
70044d71d31d6 drivers/firewire/sbp2.c (Tejun Heo 2014-03-07 10:19:57 -0500 990) INIT_DELAYED_WORK(&lu->work, sbp2_lu_workfn);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 991)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 992) list_add_tail(&lu->link, &tgt->lu_list);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 993) return 0;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 994) }
ad85274fb7f1b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:07 -0400 995)
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 996) static void sbp2_get_unit_unique_id(struct sbp2_target *tgt,
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 997) const u32 *leaf)
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 998) {
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 999) if ((leaf[0] & 0xffff0000) == 0x00020000)
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 1000) tgt->guid = (u64)leaf[1] << 32 | leaf[2];
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 1001) }
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 1002)
13b302d0a2175 drivers/firewire/sbp2.c (Stefan Richter 2009-12-26 01:44:10 +0100 1003) static int sbp2_scan_logical_unit_dir(struct sbp2_target *tgt,
13b302d0a2175 drivers/firewire/sbp2.c (Stefan Richter 2009-12-26 01:44:10 +0100 1004) const u32 *directory)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1005) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1006) struct fw_csr_iterator ci;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1007) int key, value;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1008)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1009) fw_csr_iterator_init(&ci, directory);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1010) while (fw_csr_iterator_next(&ci, &key, &value))
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1011) if (key == SBP2_CSR_LOGICAL_UNIT_NUMBER &&
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1012) sbp2_add_logical_unit(tgt, value) < 0)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1013) return -ENOMEM;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1014) return 0;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1015) }
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1016)
13b302d0a2175 drivers/firewire/sbp2.c (Stefan Richter 2009-12-26 01:44:10 +0100 1017) static int sbp2_scan_unit_dir(struct sbp2_target *tgt, const u32 *directory,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1018) u32 *model, u32 *firmware_revision)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1019) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1020) struct fw_csr_iterator ci;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1021) int key, value;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1022)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1023) fw_csr_iterator_init(&ci, directory);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1024) while (fw_csr_iterator_next(&ci, &key, &value)) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1025) switch (key) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1026)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1027) case CSR_DEPENDENT_INFO | CSR_OFFSET:
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1028) tgt->management_agent_address =
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1029) CSR_REGISTER_BASE + 4 * value;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1030) break;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1031)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1032) case CSR_DIRECTORY_ID:
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1033) tgt->directory_id = value;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1034) break;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1035)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1036) case CSR_MODEL:
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1037) *model = value;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1038) break;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1039)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1040) case SBP2_CSR_FIRMWARE_REVISION:
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1041) *firmware_revision = value;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1042) break;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1043)
384170da9384b drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-25 23:31:12 -0500 1044) case SBP2_CSR_UNIT_CHARACTERISTICS:
384170da9384b drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-25 23:31:12 -0500 1045) /* the timeout value is stored in 500ms units */
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1046) tgt->mgt_orb_timeout = (value >> 8 & 0xff) * 500;
384170da9384b drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-25 23:31:12 -0500 1047) break;
384170da9384b drivers/firewire/fw-sbp2.c (Jarod Wilson 2008-01-25 23:31:12 -0500 1048)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1049) case SBP2_CSR_LOGICAL_UNIT_NUMBER:
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1050) if (sbp2_add_logical_unit(tgt, value) < 0)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1051) return -ENOMEM;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1052) break;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1053)
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 1054) case SBP2_CSR_UNIT_UNIQUE_ID:
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 1055) sbp2_get_unit_unique_id(tgt, ci.p - 1 + value);
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 1056) break;
8ff6a75744dfc drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:08 +0000 1057)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1058) case SBP2_CSR_LOGICAL_UNIT_DIRECTORY:
0e3e2eabf4fbc drivers/firewire/fw-sbp2.c (Richard Sharpe 2008-06-24 19:11:13 -0700 1059) /* Adjust for the increment in the iterator */
0e3e2eabf4fbc drivers/firewire/fw-sbp2.c (Richard Sharpe 2008-06-24 19:11:13 -0700 1060) if (sbp2_scan_logical_unit_dir(tgt, ci.p - 1 + value) < 0)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1061) return -ENOMEM;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1062) break;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1063) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1064) }
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1065) return 0;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1066) }
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1067)
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1068) /*
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1069) * Per section 7.4.8 of the SBP-2 spec, a mgt_ORB_timeout value can be
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1070) * provided in the config rom. Most devices do provide a value, which
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1071) * we'll use for login management orbs, but with some sane limits.
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1072) */
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1073) static void sbp2_clamp_management_orb_timeout(struct sbp2_target *tgt)
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1074) {
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1075) unsigned int timeout = tgt->mgt_orb_timeout;
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1076)
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1077) if (timeout > 40000)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1078) dev_notice(tgt_dev(tgt), "%ds mgt_ORB_timeout limited to 40s\n",
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1079) timeout / 1000);
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1080)
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1081) tgt->mgt_orb_timeout = clamp_val(timeout, 5000, 40000);
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1082) }
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1083)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1084) static void sbp2_init_workarounds(struct sbp2_target *tgt, u32 model,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1085) u32 firmware_revision)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1086) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1087) int i;
05cca7381429e drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-26 17:42:45 +0100 1088) unsigned int w = sbp2_param_workarounds;
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1089)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1090) if (w)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1091) dev_notice(tgt_dev(tgt),
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1092) "Please notify linux1394-devel@lists.sf.net "
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1093) "if you need the workarounds parameter\n");
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1094)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1095) if (w & SBP2_WORKAROUND_OVERRIDE)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1096) goto out;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1097)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1098) for (i = 0; i < ARRAY_SIZE(sbp2_workarounds_table); i++) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1099)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1100) if (sbp2_workarounds_table[i].firmware_revision !=
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1101) (firmware_revision & 0xffffff00))
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1102) continue;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1103)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1104) if (sbp2_workarounds_table[i].model != model &&
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1105) sbp2_workarounds_table[i].model != SBP2_ROM_VALUE_WILDCARD)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1106) continue;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1107)
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1108) w |= sbp2_workarounds_table[i].workarounds;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1109) break;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1110) }
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1111) out:
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1112) if (w)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1113) dev_notice(tgt_dev(tgt), "workarounds 0x%x "
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1114) "(firmware_revision 0x%06x, model_id 0x%06x)\n",
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1115) w, firmware_revision, model);
2df222b8f8fe9 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-13 17:48:25 +0200 1116) tgt->workarounds = w;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1117) }
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1118)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1119) static struct scsi_host_template scsi_driver_template;
94a87157cde95 drivers/firewire/sbp2.c (Stefan Richter 2013-06-09 18:15:00 +0200 1120) static void sbp2_remove(struct fw_unit *unit);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1121)
94a87157cde95 drivers/firewire/sbp2.c (Stefan Richter 2013-06-09 18:15:00 +0200 1122) static int sbp2_probe(struct fw_unit *unit, const struct ieee1394_device_id *id)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1123) {
e5110d011e030 drivers/firewire/sbp2.c (Stefan Richter 2009-06-06 18:35:27 +0200 1124) struct fw_device *device = fw_parent_device(unit);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1125) struct sbp2_target *tgt;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1126) struct sbp2_logical_unit *lu;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1127) struct Scsi_Host *shost;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1128) u32 model, firmware_revision;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1129)
74044563a2318 drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:09 +0000 1130) /* cannot (or should not) handle targets on the local node */
74044563a2318 drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:09 +0000 1131) if (device->is_local)
74044563a2318 drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:09 +0000 1132) return -ENODEV;
74044563a2318 drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:09 +0000 1133)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1134) shost = scsi_host_alloc(&scsi_driver_template, sizeof(*tgt));
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1135) if (shost == NULL)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1136) return -ENOMEM;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1137)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1138) tgt = (struct sbp2_target *)shost->hostdata;
d961450da5e16 drivers/firewire/fw-sbp2.c (Greg Kroah-Hartman 2009-04-30 14:43:31 -0700 1139) dev_set_drvdata(&unit->device, tgt);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1140) tgt->unit = unit;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1141) INIT_LIST_HEAD(&tgt->lu_list);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 1142) spin_lock_init(&tgt->lock);
c9755e14a0198 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-24 20:54:28 +0100 1143) tgt->guid = (u64)device->config_rom[3] << 32 | device->config_rom[4];
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1144)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1145) if (fw_device_enable_phys_dma(device) < 0)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1146) goto fail_shost_put;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1147)
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 1148) shost->max_cmd_len = SBP2_MAX_CDB_SIZE;
af2719415a5ce drivers/firewire/sbp2.c (Stefan Richter 2009-06-30 20:27:59 +0200 1149)
473ffe6560fd5 drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 18:39:39 +0200 1150) if (scsi_add_host_with_dma(shost, &unit->device,
473ffe6560fd5 drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 18:39:39 +0200 1151) device->card->device) < 0)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1152) goto fail_shost_put;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1153)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1154) /* implicit directory ID */
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1155) tgt->directory_id = ((unit->directory - device->config_rom) * 4
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1156) + CSR_CONFIG_ROM) & 0xffffff;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1157)
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1158) firmware_revision = SBP2_ROM_VALUE_MISSING;
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1159) model = SBP2_ROM_VALUE_MISSING;
f746072abc12d drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1160)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1161) if (sbp2_scan_unit_dir(tgt, unit->directory, &model,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1162) &firmware_revision) < 0)
32ce38f40337c drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:35:23 +0200 1163) goto fail_remove;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1164)
eaf76e0d027a9 drivers/firewire/sbp2.c (Stefan Richter 2009-10-08 00:39:31 +0200 1165) sbp2_clamp_management_orb_timeout(tgt);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1166) sbp2_init_workarounds(tgt, model, firmware_revision);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1167)
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1168) /*
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1169) * At S100 we can do 512 bytes per packet, at S200 1024 bytes,
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1170) * and so on up to 4096 bytes. The SBP-2 max_payload field
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1171) * specifies the max payload size as 2 ^ (max_payload + 2), so
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1172) * if we set this to max_speed + 7, we get the right value.
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1173) */
4ec4a67aa1002 drivers/firewire/sbp2.c (Stefan Richter 2011-09-19 00:20:48 +0200 1174) tgt->max_payload = min3(device->max_speed + 7, 10U,
4ec4a67aa1002 drivers/firewire/sbp2.c (Stefan Richter 2011-09-19 00:20:48 +0200 1175) device->card->max_receive - 1);
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1176)
285838eb22ef0 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-11-07 01:12:51 +0100 1177) /* Do the login in a workqueue so we can easily reschedule retries. */
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1178) list_for_each_entry(lu, &tgt->lu_list, link)
0dcfeb7e3c869 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-10-22 00:28:36 +0200 1179) sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5));
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 1180)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1181) return 0;
ad85274fb7f1b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:07 -0400 1182)
32ce38f40337c drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:35:23 +0200 1183) fail_remove:
94a87157cde95 drivers/firewire/sbp2.c (Stefan Richter 2013-06-09 18:15:00 +0200 1184) sbp2_remove(unit);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1185) return -ENOMEM;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1186)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1187) fail_shost_put:
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1188) scsi_host_put(shost);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1189) return -ENOMEM;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1190) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1191)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1192) static void sbp2_update(struct fw_unit *unit)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1193) {
d961450da5e16 drivers/firewire/fw-sbp2.c (Greg Kroah-Hartman 2009-04-30 14:43:31 -0700 1194) struct sbp2_target *tgt = dev_get_drvdata(&unit->device);
0278ccd9d53e0 drivers/firewire/sbp2.c (Chris Boot 2011-08-22 21:38:38 +0100 1195) struct sbp2_logical_unit *lu;
0278ccd9d53e0 drivers/firewire/sbp2.c (Chris Boot 2011-08-22 21:38:38 +0100 1196)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1197) fw_device_enable_phys_dma(fw_parent_device(unit));
6ff8147d075da drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:33:34 +0200 1198)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1199) /*
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1200) * Fw-core serializes sbp2_update() against sbp2_remove().
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1201) * Iteration over tgt->lu_list is therefore safe here.
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1202) */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1203) list_for_each_entry(lu, &tgt->lu_list, link) {
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1204) sbp2_conditionally_block(lu);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1205) lu->retries = 0;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1206) sbp2_queue_work(lu, 0);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1207) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1208) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1209)
94a87157cde95 drivers/firewire/sbp2.c (Stefan Richter 2013-06-09 18:15:00 +0200 1210) static void sbp2_remove(struct fw_unit *unit)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1211) {
32ce38f40337c drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:35:23 +0200 1212) struct fw_device *device = fw_parent_device(unit);
32ce38f40337c drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:35:23 +0200 1213) struct sbp2_target *tgt = dev_get_drvdata(&unit->device);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1214) struct sbp2_logical_unit *lu, *next;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1215) struct Scsi_Host *shost =
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1216) container_of((void *)tgt, struct Scsi_Host, hostdata[0]);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1217) struct scsi_device *sdev;
be6f48b017458 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-27 19:14:44 +0100 1218)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1219) /* prevent deadlocks */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1220) sbp2_unblock(tgt);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1221)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1222) list_for_each_entry_safe(lu, next, &tgt->lu_list, link) {
32ce38f40337c drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:35:23 +0200 1223) cancel_delayed_work_sync(&lu->work);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1224) sdev = scsi_device_lookup(shost, 0, 0, sbp2_lun2int(lu->lun));
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1225) if (sdev) {
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1226) scsi_remove_device(sdev);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1227) scsi_device_put(sdev);
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 1228) }
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1229) if (lu->login_id != INVALID_LOGIN_ID) {
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1230) int generation, node_id;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1231) /*
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1232) * tgt->node_id may be obsolete here if we failed
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1233) * during initial login or after a bus reset where
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1234) * the topology changed.
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1235) */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1236) generation = device->generation;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1237) smp_rmb(); /* node_id vs. generation */
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1238) node_id = device->node_id;
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1239) sbp2_send_management_orb(lu, node_id, generation,
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1240) SBP2_LOGOUT_REQUEST,
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1241) lu->login_id, NULL);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1242) }
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1243) fw_core_remove_address_handler(&lu->address_handler);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1244) list_del(&lu->link);
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1245) kfree(lu);
7f37c426c68d3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:34 -0500 1246) }
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1247) scsi_remove_host(shost);
94a87157cde95 drivers/firewire/sbp2.c (Stefan Richter 2013-06-09 18:15:00 +0200 1248) dev_notice(&unit->device, "released target %d:0:0\n", shost->host_no);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1249)
b2af07b6844aa drivers/firewire/sbp2.c (Stefan Richter 2011-08-27 15:34:32 +0200 1250) scsi_host_put(shost);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1251) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1252)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1253) #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1254) #define SBP2_SW_VERSION_ENTRY 0x00010483
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1255)
b3b2988841ac6 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-02-15 23:12:34 +0100 1256) static const struct ieee1394_device_id sbp2_id_table[] = {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1257) {
b3b2988841ac6 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-02-15 23:12:34 +0100 1258) .match_flags = IEEE1394_MATCH_SPECIFIER_ID |
b3b2988841ac6 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-02-15 23:12:34 +0100 1259) IEEE1394_MATCH_VERSION,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1260) .specifier_id = SBP2_UNIT_SPEC_ID_ENTRY,
5af4e5eab30d4 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-21 20:45:32 +0100 1261) .version = SBP2_SW_VERSION_ENTRY,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1262) },
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1263) { }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1264) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1265)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1266) static struct fw_driver sbp2_driver = {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1267) .driver = {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1268) .owner = THIS_MODULE,
0c22ecdebb65b drivers/firewire/sbp2.c (Stefan Richter 2012-02-18 22:01:14 +0100 1269) .name = KBUILD_MODNAME,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1270) .bus = &fw_bus_type,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1271) },
94a87157cde95 drivers/firewire/sbp2.c (Stefan Richter 2013-06-09 18:15:00 +0200 1272) .probe = sbp2_probe,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1273) .update = sbp2_update,
94a87157cde95 drivers/firewire/sbp2.c (Stefan Richter 2013-06-09 18:15:00 +0200 1274) .remove = sbp2_remove,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1275) .id_table = sbp2_id_table,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1276) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1277)
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1278) static void sbp2_unmap_scatterlist(struct device *card_device,
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1279) struct sbp2_command_orb *orb)
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1280) {
f203022353eb3 drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 18:40:19 +0200 1281) scsi_dma_unmap(orb->cmd);
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1282)
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1283) if (orb->request.misc & cpu_to_be32(COMMAND_ORB_PAGE_TABLE_PRESENT))
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1284) dma_unmap_single(card_device, orb->page_table_bus,
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1285) sizeof(orb->page_table), DMA_TO_DEVICE);
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1286) }
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1287)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 1288) static unsigned int sbp2_status_to_sense_data(u8 *sbp2_status, u8 *sense_data)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1289) {
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1290) int sam_status;
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1291) int sfmt = (sbp2_status[0] >> 6) & 0x03;
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1292)
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1293) if (sfmt == 2 || sfmt == 3) {
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1294) /*
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1295) * Reserved for future standardization (2) or
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1296) * Status block format vendor-dependent (3)
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1297) */
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1298) return DID_ERROR << 16;
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1299) }
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1300)
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1301) sense_data[0] = 0x70 | sfmt | (sbp2_status[1] & 0x80);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1302) sense_data[1] = 0x0;
6503de65459da drivers/firewire/sbp2.c (Chris Boot 2012-02-15 14:59:10 +0000 1303) sense_data[2] = ((sbp2_status[1] << 1) & 0xe0) | (sbp2_status[1] & 0x0f);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1304) sense_data[3] = sbp2_status[4];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1305) sense_data[4] = sbp2_status[5];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1306) sense_data[5] = sbp2_status[6];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1307) sense_data[6] = sbp2_status[7];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1308) sense_data[7] = 10;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1309) sense_data[8] = sbp2_status[8];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1310) sense_data[9] = sbp2_status[9];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1311) sense_data[10] = sbp2_status[10];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1312) sense_data[11] = sbp2_status[11];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1313) sense_data[12] = sbp2_status[2];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1314) sense_data[13] = sbp2_status[3];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1315) sense_data[14] = sbp2_status[12];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1316) sense_data[15] = sbp2_status[13];
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1317)
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1318) sam_status = sbp2_status[0] & 0x3f;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1319)
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1320) switch (sam_status) {
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1321) case SAM_STAT_GOOD:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1322) case SAM_STAT_CHECK_CONDITION:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1323) case SAM_STAT_CONDITION_MET:
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1324) case SAM_STAT_BUSY:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1325) case SAM_STAT_RESERVATION_CONFLICT:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1326) case SAM_STAT_COMMAND_TERMINATED:
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1327) return DID_OK << 16 | sam_status;
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1328)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1329) default:
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1330) return DID_ERROR << 16;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1331) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1332) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1333)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 1334) static void complete_command_orb(struct sbp2_orb *base_orb,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 1335) struct sbp2_status *status)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1336) {
6f061487f7d31 drivers/firewire/fw-sbp2.c (Jay Fenlason 2007-06-27 16:04:33 -0400 1337) struct sbp2_command_orb *orb =
6f061487f7d31 drivers/firewire/fw-sbp2.c (Jay Fenlason 2007-06-27 16:04:33 -0400 1338) container_of(base_orb, struct sbp2_command_orb, base);
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 1339) struct fw_device *device = target_parent_device(base_orb->lu->tgt);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1340) int result;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1341)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1342) if (status != NULL) {
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 1343) if (STATUS_GET_DEAD(*status))
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 1344) sbp2_agent_reset_no_wait(base_orb->lu);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1345)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 1346) switch (STATUS_GET_RESPONSE(*status)) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1347) case SBP2_STATUS_REQUEST_COMPLETE:
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1348) result = DID_OK << 16;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1349) break;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1350) case SBP2_STATUS_TRANSPORT_FAILURE:
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1351) result = DID_BUS_BUSY << 16;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1352) break;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1353) case SBP2_STATUS_ILLEGAL_REQUEST:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1354) case SBP2_STATUS_VENDOR_DEPENDENT:
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1355) default:
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1356) result = DID_ERROR << 16;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1357) break;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1358) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1359)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 1360) if (result == DID_OK << 16 && STATUS_GET_LEN(*status) > 1)
a77754a75d58d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:35 -0400 1361) result = sbp2_status_to_sense_data(STATUS_GET_DATA(*status),
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1362) orb->cmd->sense_buffer);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1363) } else {
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1364) /*
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1365) * If the orb completes with status == NULL, something
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1366) * went wrong, typically a bus reset happened mid-orb
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1367) * or when sending the write (less likely).
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1368) */
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1369) result = DID_BUS_BUSY << 16;
d737d7da8e7e9 drivers/firewire/sbp2.c (Stefan Richter 2014-03-03 23:23:51 +0100 1370) sbp2_conditionally_block(base_orb->lu);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1371) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1372)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1373) dma_unmap_single(device->card->device, orb->base.request_bus,
2d826cc5c791b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:14 -0400 1374) sizeof(orb->request), DMA_TO_DEVICE);
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1375) sbp2_unmap_scatterlist(device->card->device, orb);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1376)
fbb5423c1df99 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:18 -0400 1377) orb->cmd->result = result;
b75ca5ea8e439 drivers/firewire/sbp2.c (Stefan Richter 2011-04-22 12:21:44 +0200 1378) orb->cmd->scsi_done(orb->cmd);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1379) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1380)
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 1381) static int sbp2_map_scatterlist(struct sbp2_command_orb *orb,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 1382) struct fw_device *device, struct sbp2_logical_unit *lu)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1383) {
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1384) struct scatterlist *sg = scsi_sglist(orb->cmd);
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1385) int i, n;
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1386)
f203022353eb3 drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 18:40:19 +0200 1387) n = scsi_dma_map(orb->cmd);
f203022353eb3 drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 18:40:19 +0200 1388) if (n <= 0)
95ffc5e314e2b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:08 -0400 1389) goto fail;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1390)
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1391) /*
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1392) * Handle the special case where there is only one element in
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1393) * the scatter list by converting it to an immediate block
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1394) * request. This is also a workaround for broken devices such
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1395) * as the second generation iPod which doesn't support page
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1396) * tables.
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1397) */
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1398) if (n == 1) {
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1399) orb->request.data_descriptor.high =
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1400) cpu_to_be32(lu->tgt->address_high);
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1401) orb->request.data_descriptor.low =
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1402) cpu_to_be32(sg_dma_address(sg));
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1403) orb->request.misc |=
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1404) cpu_to_be32(COMMAND_ORB_DATA_SIZE(sg_dma_len(sg)));
95ffc5e314e2b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:08 -0400 1405) return 0;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1406) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1407)
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1408) for_each_sg(sg, sg, n, i) {
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1409) orb->page_table[i].high = cpu_to_be32(sg_dma_len(sg) << 16);
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1410) orb->page_table[i].low = cpu_to_be32(sg_dma_address(sg));
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1411) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1412)
b4be016ad81af drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 22:07:34 +0200 1413) orb->page_table_bus =
b4be016ad81af drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 22:07:34 +0200 1414) dma_map_single(device->card->device, orb->page_table,
b4be016ad81af drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 22:07:34 +0200 1415) sizeof(orb->page_table), DMA_TO_DEVICE);
8d8bb39b9eba3 drivers/firewire/fw-sbp2.c (FUJITA Tomonori 2008-07-25 19:44:49 -0700 1416) if (dma_mapping_error(device->card->device, orb->page_table_bus))
b4be016ad81af drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 22:07:34 +0200 1417) goto fail_page_table;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1418)
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1419) /*
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1420) * The data_descriptor pointer is the one case where we need
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1421) * to fill in the node ID part of the address. All other
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1422) * pointers assume that the data referenced reside on the
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1423) * initiator (i.e. us), but data_descriptor can refer to data
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1424) * on other nodes so we need to put our ID in descriptor.high.
c781c06d119d0 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-07 20:33:32 -0400 1425) */
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1426) orb->request.data_descriptor.high = cpu_to_be32(lu->tgt->address_high);
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1427) orb->request.data_descriptor.low = cpu_to_be32(orb->page_table_bus);
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1428) orb->request.misc |= cpu_to_be32(COMMAND_ORB_PAGE_TABLE_PRESENT |
09b12dd4e3caf drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-14 21:47:21 +0200 1429) COMMAND_ORB_DATA_SIZE(n));
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1430)
95ffc5e314e2b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:08 -0400 1431) return 0;
95ffc5e314e2b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:08 -0400 1432)
95ffc5e314e2b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:08 -0400 1433) fail_page_table:
f203022353eb3 drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 18:40:19 +0200 1434) scsi_dma_unmap(orb->cmd);
95ffc5e314e2b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:08 -0400 1435) fail:
95ffc5e314e2b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:08 -0400 1436) return -ENOMEM;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1437) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1438)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1439) /* SCSI stack integration */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1440)
b75ca5ea8e439 drivers/firewire/sbp2.c (Stefan Richter 2011-04-22 12:21:44 +0200 1441) static int sbp2_scsi_queuecommand(struct Scsi_Host *shost,
b75ca5ea8e439 drivers/firewire/sbp2.c (Stefan Richter 2011-04-22 12:21:44 +0200 1442) struct scsi_cmnd *cmd)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1443) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1444) struct sbp2_logical_unit *lu = cmd->device->hostdata;
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1445) struct fw_device *device = target_parent_device(lu->tgt);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1446) struct sbp2_command_orb *orb;
4bbc1bdd010cb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-09 20:22:17 +0200 1447) int generation, retval = SCSI_MLQUEUE_HOST_BUSY;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1448)
2d826cc5c791b drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-05-09 19:23:14 -0400 1449) orb = kzalloc(sizeof(*orb), GFP_ATOMIC);
cfb0c9d1ffbf9 drivers/firewire/sbp2.c (Stefan Richter 2013-03-24 17:32:00 +0100 1450) if (orb == NULL)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1451) return SCSI_MLQUEUE_HOST_BUSY;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1452)
12f26aa1b172a drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:20 -0400 1453) /* Initialize rcode to something not RCODE_COMPLETE. */
12f26aa1b172a drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-04-10 18:11:20 -0400 1454) orb->base.rcode = -1;
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 1455) kref_init(&orb->base.kref);
b75ca5ea8e439 drivers/firewire/sbp2.c (Stefan Richter 2011-04-22 12:21:44 +0200 1456) orb->cmd = cmd;
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1457) orb->request.next.high = cpu_to_be32(SBP2_ORB_NULL);
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1458) orb->request.misc = cpu_to_be32(
a08e100aece16 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-24 19:41:46 +0100 1459) COMMAND_ORB_MAX_PAYLOAD(lu->tgt->max_payload) |
f1397490017e3 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-06-10 21:31:36 +0200 1460) COMMAND_ORB_SPEED(device->max_speed) |
71ee9f01f2bc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:51:11 +0100 1461) COMMAND_ORB_NOTIFY);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1462)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1463) if (cmd->sc_data_direction == DMA_FROM_DEVICE)
0d7dcbf2a3b60 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-28 20:52:02 +0100 1464) orb->request.misc |= cpu_to_be32(COMMAND_ORB_DIRECTION);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1465)
4bbc1bdd010cb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-09 20:22:17 +0200 1466) generation = device->generation;
4bbc1bdd010cb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-09 20:22:17 +0200 1467) smp_rmb(); /* sbp2_map_scatterlist looks at tgt->address_high */
4bbc1bdd010cb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-09 20:22:17 +0200 1468)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1469) if (scsi_sg_count(cmd) && sbp2_map_scatterlist(orb, device, lu) < 0)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1470) goto out;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1471)
64a87b244b929 drivers/firewire/fw-sbp2.c (Boaz Harrosh 2008-04-30 11:19:47 +0300 1472) memcpy(orb->request.command_block, cmd->cmnd, cmd->cmd_len);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1473)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1474) orb->base.callback = complete_command_orb;
8526392ae816a drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:08 +0200 1475) orb->base.request_bus =
8526392ae816a drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:08 +0200 1476) dma_map_single(device->card->device, &orb->request,
8526392ae816a drivers/firewire/fw-sbp2.c (Stefan Richter 2007-07-02 21:04:08 +0200 1477) sizeof(orb->request), DMA_TO_DEVICE);
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1478) if (dma_mapping_error(device->card->device, orb->base.request_bus)) {
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1479) sbp2_unmap_scatterlist(device->card->device, orb);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1480) goto out;
5e2125677fd72 drivers/firewire/fw-sbp2.c (Stefan Richter 2009-01-28 01:03:34 +0100 1481) }
82eff9db7dc5d drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-02-06 14:49:40 -0500 1482)
4bbc1bdd010cb drivers/firewire/fw-sbp2.c (Stefan Richter 2008-08-09 20:22:17 +0200 1483) sbp2_send_orb(&orb->base, lu, lu->tgt->node_id, generation,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1484) lu->command_block_agent_address + SBP2_ORB_POINTER);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1485) retval = 0;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1486) out:
e57d2011a6276 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2007-08-24 18:59:58 -0400 1487) kref_put(&orb->base.kref, free_orb);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1488) return retval;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1489) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1490)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1491) static int sbp2_scsi_slave_alloc(struct scsi_device *sdev)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1492) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1493) struct sbp2_logical_unit *lu = sdev->hostdata;
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1494)
5513c5f6f9bd8 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-17 14:56:19 +0100 1495) /* (Re-)Adding logical units via the SCSI stack is not supported. */
5513c5f6f9bd8 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-17 14:56:19 +0100 1496) if (!lu)
5513c5f6f9bd8 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-17 14:56:19 +0100 1497) return -ENOSYS;
5513c5f6f9bd8 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-02-17 14:56:19 +0100 1498)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1499) sdev->allow_restart = 1;
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1500)
26c72e22c94fb drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 22:26:21 +0200 1501) /*
26c72e22c94fb drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 22:26:21 +0200 1502) * SBP-2 does not require any alignment, but we set it anyway
26c72e22c94fb drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 22:26:21 +0200 1503) * for compatibility with earlier versions of this driver.
26c72e22c94fb drivers/firewire/sbp2.c (Clemens Ladisch 2012-05-18 22:26:21 +0200 1504) */
8ac3a47cab32e drivers/firewire/fw-sbp2.c (Stefan Richter 2008-01-27 22:31:27 +0100 1505) blk_queue_update_dma_alignment(sdev->request_queue, 4 - 1);
465ff3185e0cb drivers/firewire/fw-sbp2.c (James Bottomley 2008-01-01 10:00:10 -0600 1506)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1507) if (lu->tgt->workarounds & SBP2_WORKAROUND_INQUIRY_36)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1508) sdev->inquiry_len = 36;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1509)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1510) return 0;
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1511) }
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1512)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1513) static int sbp2_scsi_slave_configure(struct scsi_device *sdev)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1514) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1515) struct sbp2_logical_unit *lu = sdev->hostdata;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1516)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1517) sdev->use_10_for_rw = 1;
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1518)
2635f96f90864 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:36:47 +0200 1519) if (sbp2_param_exclusive_login)
2635f96f90864 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:36:47 +0200 1520) sdev->manage_start_stop = 1;
2635f96f90864 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:36:47 +0200 1521)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1522) if (sdev->type == TYPE_ROM)
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1523) sdev->use_10_for_ms = 1;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1524)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1525) if (sdev->type == TYPE_DISK &&
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1526) lu->tgt->workarounds & SBP2_WORKAROUND_MODE_SENSE_8)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1527) sdev->skip_ms_page_8 = 1;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1528)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1529) if (lu->tgt->workarounds & SBP2_WORKAROUND_FIX_CAPACITY)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1530) sdev->fix_capacity = 1;
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1531)
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 1532) if (lu->tgt->workarounds & SBP2_WORKAROUND_POWER_CONDITION)
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 1533) sdev->start_stop_pwr_cond = 1;
ffcaade3109c3 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-05-11 00:35:04 +0200 1534)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1535) if (lu->tgt->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS)
086fa5ff0854c drivers/firewire/sbp2.c (Martin K. Petersen 2010-02-26 00:20:38 -0500 1536) blk_queue_max_hw_sectors(sdev->request_queue, 128 * 1024 / 512);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1537)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1538) return 0;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1539) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1540)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1541) /*
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1542) * Called by scsi stack when something has really gone wrong. Usually
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1543) * called when a command has timed-out for some reason.
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1544) */
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1545) static int sbp2_scsi_abort(struct scsi_cmnd *cmd)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1546) {
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1547) struct sbp2_logical_unit *lu = cmd->device->hostdata;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1548)
eba9ebaaa26d6 drivers/firewire/sbp2.c (Stefan Richter 2011-12-20 21:34:12 +0100 1549) dev_notice(lu_dev(lu), "sbp2_scsi_abort\n");
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1550) sbp2_agent_reset(lu);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1551) sbp2_cancel_orbs(lu);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1552)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1553) return SUCCESS;
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1554) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1555)
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1556) /*
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1557) * Format of /sys/bus/scsi/devices/.../ieee1394_id:
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1558) * u64 EUI-64 : u24 directory_ID : u16 LUN (all printed in hexadecimal)
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1559) *
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1560) * This is the concatenation of target port identifier and logical unit
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1561) * identifier as per SAM-2...SAM-4 annex A.
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1562) */
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 1563) static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev,
53dca51175cc2 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-12-14 21:47:04 +0100 1564) struct device_attribute *attr, char *buf)
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1565) {
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1566) struct scsi_device *sdev = to_scsi_device(dev);
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1567) struct sbp2_logical_unit *lu;
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1568)
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1569) if (!sdev)
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1570) return 0;
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1571)
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1572) lu = sdev->hostdata;
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1573)
c9755e14a0198 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-24 20:54:28 +0100 1574) return sprintf(buf, "%016llx:%06x:%04x\n",
c9755e14a0198 drivers/firewire/fw-sbp2.c (Stefan Richter 2008-03-24 20:54:28 +0100 1575) (unsigned long long)lu->tgt->guid,
5a3c2be6c9a56 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-08-25 14:05:28 +0200 1576) lu->tgt->directory_id, lu->lun);
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1577) }
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1578)
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1579) static DEVICE_ATTR(ieee1394_id, S_IRUGO, sbp2_sysfs_ieee1394_id_show, NULL);
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1580)
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1581) static struct device_attribute *sbp2_scsi_sysfs_attrs[] = {
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1582) &dev_attr_ieee1394_id,
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1583) NULL
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1584) };
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1585)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1586) static struct scsi_host_template scsi_driver_template = {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1587) .module = THIS_MODULE,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1588) .name = "SBP-2 IEEE-1394",
0c22ecdebb65b drivers/firewire/sbp2.c (Stefan Richter 2012-02-18 22:01:14 +0100 1589) .proc_name = "sbp2",
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1590) .queuecommand = sbp2_scsi_queuecommand,
cfb01381f4ffc drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-23 21:20:08 +0100 1591) .slave_alloc = sbp2_scsi_slave_alloc,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1592) .slave_configure = sbp2_scsi_slave_configure,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1593) .eh_abort_handler = sbp2_scsi_abort,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1594) .this_id = -1,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1595) .sg_tablesize = SG_ALL,
a8cf59a6692c9 drivers/firewire/sbp2.c (Christoph Hellwig 2019-01-16 17:12:15 +0100 1596) .max_segment_size = SBP2_MAX_SEG_SIZE,
02af8e70cbe42 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-01-21 20:50:11 +0100 1597) .can_queue = 1,
14e2198646d92 drivers/firewire/fw-sbp2.c (Stefan Richter 2007-05-27 13:18:27 +0200 1598) .sdev_attrs = sbp2_scsi_sysfs_attrs,
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1599) };
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1600)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1601) MODULE_AUTHOR("Kristian Hoegsberg <krh@bitplanet.net>");
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1602) MODULE_DESCRIPTION("SCSI over IEEE1394");
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1603) MODULE_LICENSE("GPL");
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1604) MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1605)
1e4c7b0dabb46 drivers/firewire/fw-sbp2.c (Olaf Hering 2007-05-05 23:17:13 +0200 1606) /* Provide a module alias so root-on-sbp2 initrds don't break. */
1e4c7b0dabb46 drivers/firewire/fw-sbp2.c (Olaf Hering 2007-05-05 23:17:13 +0200 1607) MODULE_ALIAS("sbp2");
1e4c7b0dabb46 drivers/firewire/fw-sbp2.c (Olaf Hering 2007-05-05 23:17:13 +0200 1608)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1609) static int __init sbp2_init(void)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1610) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1611) return driver_register(&sbp2_driver.driver);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1612) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1613)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1614) static void __exit sbp2_cleanup(void)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1615) {
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1616) driver_unregister(&sbp2_driver.driver);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1617) }
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1618)
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1619) module_init(sbp2_init);
9ba136d0fe5a3 drivers/firewire/fw-sbp2.c (Kristian Høgsberg 2006-12-19 19:58:40 -0500 1620) module_exit(sbp2_cleanup);
VisionFive2 Linux kernel
StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)
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