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Ju, Seokmanned7e8ef2005-11-17 13:17:25 -05001Release Date : Fri Nov 11 12:27:22 EST 2005 - Seokmann Ju <sju@lsil.com>
2Current Version : 2.20.4.7 (scsi module), 2.20.2.6 (cmm module)
3Older Version : 2.20.4.6 (scsi module), 2.20.2.6 (cmm module)
4
51. Sorted out PCI IDs to remove megaraid support overlaps.
6 Based on the patch from Daniel, sorted out PCI IDs along with
7 charactor node name change from 'megadev' to 'megadev_legacy' to avoid
8 conflict.
9 ---
10 Hopefully we'll be getting the build restriction zapped much sooner,
11 but we should also be thinking about totally removing the hardware
12 support overlap in the megaraid drivers.
13
14 This patch pencils in a date of Feb 06 for this, and performs some
15 printk abuse in hope that existing legacy users might pick up on what's
16 going on.
17
18 Signed-off-by: Daniel Drake <dsd@gentoo.org>
19 ---
20
212. Fixed a issue: megaraid always fails to reset handler.
22 ---
23 I found that the megaraid driver always fails to reset the
24 adapter with the following message:
25 megaraid: resetting the host...
26 megaraid mbox: reset sequence completed successfully
27 megaraid: fast sync command timed out
28 megaraid: reservation reset failed
29 when the "Cluster mode" of the adapter BIOS is enabled.
30 So, whenever the reset occurs, the adapter goes to
31 offline and just become unavailable.
32
33 Jun'ichi Nomura [mailto:jnomura@mtc.biglobe.ne.jp]
34 ---
35
Ju, Seokmann 672b2d32005-05-16 18:32:17 -040036Release Date : Mon Mar 07 12:27:22 EST 2005 - Seokmann Ju <sju@lsil.com>
37Current Version : 2.20.4.6 (scsi module), 2.20.2.6 (cmm module)
38Older Version : 2.20.4.5 (scsi module), 2.20.2.5 (cmm module)
39
401. Added IOCTL backward compatibility.
41 Convert megaraid_mm driver to new compat_ioctl entry points.
42 I don't have easy access to hardware, so only compile tested.
43 - Signed-off-by:Andi Kleen <ak@muc.de>
44
452. megaraid_mbox fix: wrong order of arguments in memset()
46 That, BTW, shows why cross-builds are useful-the only indication of
47 problem had been a new warning showing up in sparse output on alpha
48 build (number of exceeding 256 got truncated).
49 - Signed-off-by: Al Viro
50 <viro@parcelfarce.linux.theplanet.co.uk>
51
523. Convert pci_module_init to pci_register_driver
53 Convert from pci_module_init to pci_register_driver
54 (from:http://kerneljanitors.org/TODO)
55 - Signed-off-by: Domen Puncer <domen@coderock.org>
56
574. Use the pre defined DMA mask constants from dma-mapping.h
58 Use the DMA_{64,32}BIT_MASK constants from dma-mapping.h when calling
59 pci_set_dma_mask() or pci_set_consistend_dma_mask(). See
60 http://marc.theaimsgroup.com/?t=108001993000001&r=1&w=2 for more
61 details.
62 Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
63 Signed-off-by: Domen Puncer <domen@coderock.org>
64
655. Remove SSID checking for Dobson, Lindsay, and Verde based products.
66 Checking the SSVID/SSID for controllers which have Dobson, Lindsay,
67 and Verde is unnecessary because device ID has been assigned by LSI
68 and it is unique value. So, all controllers with these IOPs have to be
69 supported by the driver regardless SSVID/SSID.
70
716. Date Thu, 27 Jan 2005 04:31:09 +0100
72 From Herbert Poetzl <>
73 Subject RFC: assert_spin_locked() for 2.6
74
75 Greetings!
76
77 overcautious programming will kill your kernel ;)
78 ever thought about checking a spin_lock or even
79 asserting that it must be held (maybe just for
80 spinlock debugging?) ...
81
82 there are several checks present in the kernel
83 where somebody does a variation on the following:
84
85 BUG_ON(!spin_is_locked(&some_lock));
86
87 so what's wrong about that? nothing, unless you
88 compile the code with CONFIG_DEBUG_SPINLOCK but
89 without CONFIG_SMP ... in which case the BUG()
90 will kill your kernel ...
91
92 maybe it's not advised to make such assertions,
93 but here is a solution which works for me ...
94 (compile tested for sh, x86_64 and x86, boot/run
95 tested for x86 only)
96
97 best,
98 Herbert
99
100 - Herbert Poetzl <herbert@13thfloor.at>, Thu, 27 Jan 2005
101
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102Release Date : Thu Feb 03 12:27:22 EST 2005 - Seokmann Ju <sju@lsil.com>
103Current Version : 2.20.4.5 (scsi module), 2.20.2.5 (cmm module)
104Older Version : 2.20.4.4 (scsi module), 2.20.2.4 (cmm module)
105
1061. Modified name of two attributes in scsi_host_template.
107 On Wed, 2005-02-02 at 10:56 -0500, Ju, Seokmann wrote:
108 > + .sdev_attrs = megaraid_device_attrs,
109 > + .shost_attrs = megaraid_class_device_attrs,
110
111 These are, perhaps, slightly confusing names.
112 The terms device and class_device have well defined meanings in the
113 generic device model, neither of which is what you mean here.
114 Why not simply megaraid_sdev_attrs and megaraid_shost_attrs?
115
116 Other than this, it looks fine to me too.
117
118Release Date : Thu Jan 27 00:01:03 EST 2005 - Atul Mukker <atulm@lsil.com>
119Current Version : 2.20.4.4 (scsi module), 2.20.2.5 (cmm module)
120Older Version : 2.20.4.3 (scsi module), 2.20.2.4 (cmm module)
121
1221. Bump up the version of scsi module due to its conflict.
123
124Release Date : Thu Jan 21 00:01:03 EST 2005 - Atul Mukker <atulm@lsil.com>
125Current Version : 2.20.4.3 (scsi module), 2.20.2.5 (cmm module)
126Older Version : 2.20.4.2 (scsi module), 2.20.2.4 (cmm module)
127
1281. Remove driver ioctl for logical drive to scsi address translation and
129 replace with the sysfs attribute. To remove drives and change
130 capacity, application shall now use the device attribute to get the
131 logical drive number for a scsi device. For adding newly created
132 logical drives, class device attribute would be required to uniquely
133 identify each controller.
134 - Atul Mukker <atulm@lsil.com>
135
136 "James, I've been thinking about this a little more, and you may be on
137 to something here. Let each driver add files as such:"
138
139 - Matt Domsch <Matt_Domsch@dell.com>, 12.15.2004
140 linux-scsi mailing list
141
142
143 "Then, if you simply publish your LD number as an extra parameter of
144 the device, you can look through /sys to find it."
145
146 - James Bottomley <James.Bottomley@SteelEye.com>, 01.03.2005
147 linux-scsi mailing list
148
149
150 "I don't see why not ... it's your driver, you can publish whatever
151 extra information you need as scsi_device attributes; that was one of
152 the designs of the extensible attribute system."
153
154 - James Bottomley <James.Bottomley@SteelEye.com>, 01.06.2005
155 linux-scsi mailing list
156
1572. Add AMI megaraid support - Brian King <brking@charter.net>
158 PCI_VENDOR_ID_AMI, PCI_DEVICE_ID_AMI_MEGARAID3,
159 PCI_VENDOR_ID_AMI, PCI_SUBSYS_ID_PERC3_DC,
160
1613. Make some code static - Adrian Bunk <bunk@stusta.de>
162 Date: Mon, 15 Nov 2004 03:14:57 +0100
163
164 The patch below makes some needlessly global code static.
165 -wait_queue_head_t wait_q;
166 +static wait_queue_head_t wait_q;
167
168 Signed-off-by: Adrian Bunk <bunk@stusta.de>
169
1704. Added NEC ROMB support - NEC MegaRAID PCI Express ROMB controller
171 PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_MEGARAID_NEC_ROMB_2E,
172 PCI_SUBSYS_ID_NEC, PCI_SUBSYS_ID_MEGARAID_NEC_ROMB_2E,
173
1745. Fixed Tape drive issue : For any Direct CDB command to physical device
175 including tape, timeout value set by driver was 10 minutes. With this
176 value, most of command will return within timeout. However, for those
177 command like ERASE or FORMAT, it takes more than an hour depends on
178 capacity of the device and the command could be terminated before it
179 completes.
180 To address this issue, the 'timeout' field in the DCDB command will
181 have NO TIMEOUT (i.e., 4) value as its timeout on DCDB command.
182
183
184
185Release Date : Thu Dec 9 19:10:23 EST 2004
186 - Sreenivas Bagalkote <sreenib@lsil.com>
187
188Current Version : 2.20.4.2 (scsi module), 2.20.2.4 (cmm module)
189Older Version : 2.20.4.1 (scsi module), 2.20.2.3 (cmm module)
190
191i. Introduced driver ioctl that returns scsi address for a given ld.
192
193 "Why can't the existing sysfs interfaces be used to do this?"
194 - Brian King (brking@us.ibm.com)
195
196 "I've looked into solving this another way, but I cannot see how
197 to get this driver-private mapping of logical drive number-> HCTL
198 without putting code something like this into the driver."
199
200 "...and by providing a mapping a function to userspace, the driver
201 is free to change its mapping algorithm in the future if necessary .."
202 - Matt Domsch (Matt_Domsch@dell.com)
203
204Release Date : Thu Dec 9 19:02:14 EST 2004 - Sreenivas Bagalkote <sreenib@lsil.com>
205
206Current Version : 2.20.4.1 (scsi module), 2.20.2.3 (cmm module)
207Older Version : 2.20.4.1 (scsi module), 2.20.2.2 (cmm module)
208
209i. Fix a bug in kioc's dma buffer deallocation
210
211Release Date : Thu Nov 4 18:24:56 EST 2004 - Sreenivas Bagalkote <sreenib@lsil.com>
212
213Current Version : 2.20.4.1 (scsi module), 2.20.2.2 (cmm module)
214Older Version : 2.20.4.0 (scsi module), 2.20.2.1 (cmm module)
215
216i. Handle IOCTL cmd timeouts more properly.
217
218ii. pci_dma_sync_{sg,single}_for_cpu was introduced into megaraid_mbox
219 incorrectly (instead of _for_device). Changed to appropriate
220 pci_dma_sync_{sg,single}_for_device.
221
222Release Date : Wed Oct 06 11:15:29 EDT 2004 - Sreenivas Bagalkote <sreenib@lsil.com>
223Current Version : 2.20.4.0 (scsi module), 2.20.2.1 (cmm module)
224Older Version : 2.20.4.0 (scsi module), 2.20.2.0 (cmm module)
225
226i. Remove CONFIG_COMPAT around register_ioctl32_conversion
227
228Release Date : Mon Sep 27 22:15:07 EDT 2004 - Atul Mukker <atulm@lsil.com>
229Current Version : 2.20.4.0 (scsi module), 2.20.2.0 (cmm module)
230Older Version : 2.20.3.1 (scsi module), 2.20.2.0 (cmm module)
231
232i. Fix data corruption. Because of a typo in the driver, the IO packets
233 were wrongly shared by the ioctl path. This causes a whole IO command
234 to be replaced by an incoming ioctl command.
235
236Release Date : Tue Aug 24 09:43:35 EDT 2004 - Atul Mukker <atulm@lsil.com>
237Current Version : 2.20.3.1 (scsi module), 2.20.2.0 (cmm module)
238Older Version : 2.20.3.0 (scsi module), 2.20.2.0 (cmm module)
239
240i. Function reordering so that inline functions are defined before they
241 are actually used. It is now mandatory for GCC 3.4.1 (current stable)
242
243 Declare some heavy-weight functions to be non-inlined,
244 megaraid_mbox_build_cmd, megaraid_mbox_runpendq,
245 megaraid_mbox_prepare_pthru, megaraid_mbox_prepare_epthru,
246 megaraid_busywait_mbox
247
248 - Andrew Morton <akpm@osdl.org>, 08.19.2004
249 linux-scsi mailing list
250
251 "Something else to clean up after inclusion: every instance of an
252 inline function is actually rendered as a full function call, because
253 the function is always used before it is defined. Atul, please
254 re-arrange the code to eliminate the need for most (all) of the
255 function prototypes at the top of each file, and define (not just
256 declare with a prototype) each inline function before its first use"
257
258 - Matt Domsch <Matt_Domsch@dell.com>, 07.27.2004
259 linux-scsi mailing list
260
261
262ii. Display elapsed time (countdown) while waiting for FW to boot.
263
264iii. Module compilation reorder in Makefile so that unresolved symbols do
265 not occur when driver is compiled non-modular.
266
267 Patrick J. LoPresti <patl@users.sourceforge.net>, 8.22.2004
268 linux-scsi mailing list
269
270
271Release Date : Thu Aug 19 09:58:33 EDT 2004 - Atul Mukker <atulm@lsil.com>
272Current Version : 2.20.3.0 (scsi module), 2.20.2.0 (cmm module)
273Older Version : 2.20.2.0 (scsi module), 2.20.1.0 (cmm module)
274
275i. When copying the mailbox packets, copy only first 14 bytes (for 32-bit
276 mailboxes) and only first 22 bytes (for 64-bit mailboxes). This is to
277 avoid getting the stale values for busy bit. We want to set the busy
278 bit just before issuing command to the FW.
279
280ii. In the reset handling, if the reseted command is not owned by the
281 driver, do not (wrongly) print information for the "attached" driver
282 packet.
283
284iii. Have extended wait when issuing command in synchronous mode. This is
285 required for the cases where the option ROM is disabled and there is
286 no BIOS to start the controller. The FW starts to boot after receiving
287 the first command from the driver. The current driver has 1 second
288 timeout for the synchronous commands, which is far less than what is
289 actually required. We now wait up to MBOX_RESET_TIME (180 seconds) for
290 FW boot process.
291
292iv. In megaraid_mbox_product_info, clear the mailbox contents completely
293 before preparing the command for inquiry3. This is to ensure that the
294 FW does not get junk values in the command.
295
296v. Do away with the redundant LSI_CONFIG_COMPAT redefinition for
297 CONFIG_COMPAT. Replace <asm/ioctl32.h> with <linux/ioctl32.h>
298
299 - James Bottomley <James.Bottomley@SteelEye.com>, 08.17.2004
300 linux-scsi mailing list
301
302vi. Add support for 64-bit applications. Current drivers assume only
303 32-bit applications, even on 64-bit platforms. Use the "data" and
304 "buffer" fields of the mimd_t structure, instead of embedded 32-bit
305 addresses in application mailbox and passthru structures.
306
307vii. Move the function declarations for the management module from
308 megaraid_mm.h to megaraid_mm.c
309
310 - Andrew Morton <akpm@osdl.org>, 08.19.2004
311 linux-scsi mailing list
312
313viii. Change default values for MEGARAID_NEWGEN, MEGARAID_MM, and
314 MEGARAID_MAILBOX to 'n' in Kconfig.megaraid
315
316 - Andrew Morton <akpm@osdl.org>, 08.19.2004
317 linux-scsi mailing list
318
319ix. replace udelay with msleep
320
321x. Typos corrected in comments and whitespace adjustments, explicit
322 grouping of expressions.
323
324
325Release Date : Fri Jul 23 15:22:07 EDT 2004 - Atul Mukker <atulm@lsil.com>
326Current Version : 2.20.2.0 (scsi module), 2.20.1.0 (cmm module)
327Older Version : 2.20.1.0 (scsi module), 2.20.0.0 (cmm module)
328
329i. Add PCI ids for Acer ROMB 2E solution
330
331ii. Add PCI ids for I4
332
333iii. Typo corrected for subsys id for megaraid sata 300-4x
334
335iv. Remove yield() while mailbox handshake in synchronous commands
336
337
338 "My other main gripe is things like this:
339
340 + // wait for maximum 1 second for status to post
341 + for (i = 0; i < 40000; i++) {
342 + if (mbox->numstatus != 0xFF) break;
343 + udelay(25); yield();
344 + }
345
346 which litter the driver. Use of yield() in drivers is deprecated."
347
348 - James Bottomley <James.Bottomley@SteelEye.com>, 07.14.2004
349 linux-scsi mailing list
350
351v. Remove redundant __megaraid_busywait_mbox routine
352
353vi. Fix bug in the managment module, which causes a system lockup when the
354 IO module is loaded and then unloaded, followed by executing any
355 management utility. The current version of management module does not
356 handle the adapter unregister properly.
357
358 Specifically, it still keeps a reference to the unregistered
359 controllers. To avoid this, the static array adapters has been
360 replaced by a dynamic list, which gets updated every time an adapter
361 is added or removed.
362
363 Also, during unregistration of the IO module, the resources are
364 now released in the exact reverse order of the allocation time
365 sequence.
366
367
368Release Date : Fri Jun 25 18:58:43 EDT 2004 - Atul Mukker <atulm@lsil.com>
369Current Version : 2.20.1.0
370Older Version : megaraid 2.20.0.1
371
372i. Stale list pointer in adapter causes kernel panic when module
373 megaraid_mbox is unloaded
374
375
376Release Date : Thu Jun 24 20:37:11 EDT 2004 - Atul Mukker <atulm@lsil.com>
377Current Version : 2.20.0.1
378Older Version : megaraid 2.20.0.00
379
380i. Modules are not 'y' by default, but depend on current definition of
381 SCSI & PCI.
382
383ii. Redundant structure mraid_driver_t removed.
384
385iii. Miscellaneous indentation and goto/label fixes.
386 - Christoph Hellwig <hch@infradead.org>, 06.24.2004 linux-scsi
387
388iv. scsi_host_put(), do just before completing HBA shutdown.
389
390
391
392Release Date : Mon Jun 21 19:53:54 EDT 2004 - Atul Mukker <atulm@lsil.com>
393Current Version : 2.20.0.0
394Older Version : megaraid 2.20.0.rc2 and 2.00.3
395
396i. Independent module to interact with userland applications and
397 multiplex command to low level RAID module(s).
398
399 "Shared code in a third module, a "library module", is an acceptable
400 solution. modprobe automatically loads dependent modules, so users
401 running "modprobe driver1" or "modprobe driver2" would automatically
402 load the shared library module."
403
404 - Jeff Garzik <jgarzik@pobox.com> 02.25.2004 LKML
405
406 "As Jeff hinted, if your userspace<->driver API is consistent between
407 your new MPT-based RAID controllers and your existing megaraid driver,
408 then perhaps you need a single small helper module (lsiioctl or some
409 better name), loaded by both mptraid and megaraid automatically, which
410 handles registering the /dev/megaraid node dynamically. In this case,
411 both mptraid and megaraid would register with lsiioctl for each
412 adapter discovered, and lsiioctl would essentially be a switch,
413 redirecting userspace tool ioctls to the appropriate driver."
414
415 - Matt Domsch <Matt_Domsch@dell.com> 02.25.2004 LKML
416
417ii. Remove C99 initializations from pci_device id.
418
419 "pci_id_table_g would be much more readable when not using C99
420 initializers.
421 PCI table doesn't change, there's lots of users that prefer the more
422 readable variant. And it's really far less and much easier to grok
423 lines without C99 initializers."
424
425 - Christoph Hellwig <hch@infradead.org>, 05.28.2004 linux-scsi
426
427iii. Many fixes as suggested by Christoph Hellwig <hch@infradead.org> on
428 linux-scsi, 05.28.2004
429
430iv. We now support up to 32 parallel ioctl commands instead of current 1.
431 There is a conscious effort to let memory allocation not fail for ioctl
432 commands.
433
434v. Do away with internal memory management. Use pci_pool_(create|alloc)
435 instead.
436
437vi. Kill tasklet when unloading the driver.
438
439vii. Do not use "host_lock', driver has fine-grain locks now to protect all
440 data structures.
441
442viii. Optimize the build scatter-gather list routine. The callers already
443 know the data transfer address and length.
444
445ix. Better implementation of error handling and recovery. Driver now
446 performs extended errors recovery for instances like scsi cable pull.
447
448x. Disassociate the management commands with an overlaid scsi command.
449 Driver now treats the management packets as special packets and has a
450 dedicated callback routine.