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1 1 Release Date : Thur. Nov. 07 16:30:43 PST 2007 -
2 (emaild-id:megaraidlinux@lsi.com)
3 Sumant Patro
4 Bo Yang
6 2 Current Version : 00.00.03.16
7 3 Older Version : 00.00.03.15
9 1. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from 10. FW may take
10 a max of 60 seconds to respond to the INIT cmd.
12 1 Release Date : Fri. Sep. 07 16:30:43 PST 2007 -
13 (emaild-id:megaraidlinux@lsi.com)
14 Sumant Patro
15 Bo Yang
17 2 Current Version : 00.00.03.15
18 3 Older Version : 00.00.03.14
20 1. Added module parameter "poll_mode_io" to support for "polling"
21 (reduced interrupt operation). In this mode, IO completion
22 interrupts are delayed. At the end of initiating IOs, the
23 driver schedules for cmd completion if there are pending cmds
24 to be completed. A timer-based interrupt has also been added
25 to prevent IO completion processing from being delayed
26 indefinitely in the case that no new IOs are initiated.
28 1 Release Date : Fri. Sep. 07 16:30:43 PST 2007 -
29 (emaild-id:megaraidlinux@lsi.com)
30 Sumant Patro
31 Bo Yang
33 2 Current Version : 00.00.03.14
34 3 Older Version : 00.00.03.13
36 1. Setting the max_sectors_per_req based on max SGL supported by the
37 FW. Prior versions calculated this value from controller info
38 (max_sectors_1, max_sectors_2). For certain controllers/FW,
39 this was resulting in a value greater than max SGL supported
40 by the FW. Issue was first reported by users running LUKS+XFS
41 with megaraid_sas. Thanks to RB for providing the logs and
42 duplication steps that helped to get to the root cause of the
43 issue. 2. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from
44 10. FW may take a max of 60 seconds to respond to the INIT
45 cmd.
47 1 Release Date : Fri. June. 15 16:30:43 PST 2007 -
48 (emaild-id:megaraidlinux@lsi.com)
49 Sumant Patro
50 Bo Yang
52 2 Current Version : 00.00.03.13
53 3 Older Version : 00.00.03.12
55 1. Added the megasas_reset_timer routine to intercept cmd timeout and throttle io.
57 On Fri, 2007-03-16 at 16:44 -0600, James Bottomley wrote:
58 It looks like megaraid_sas at least needs this to throttle its commands
59 > as they begin to time out. The code keeps the existing transport
60 > template use of eh_timed_out (and allows the transport to override the
61 > host if they both have this callback).
62 >
63 > James
65 1 Release Date : Sat May. 12 16:30:43 PST 2007 -
66 (emaild-id:megaraidlinux@lsi.com)
67 Sumant Patro
68 Bo Yang
70 2 Current Version : 00.00.03.12
71 3 Older Version : 00.00.03.11
73 1. When MegaSAS driver receives reset call from OS, driver waits in reset
74 routine for max 3 minutes for all pending command completion. Now driver will
75 call completion routine every 5 seconds from the reset routine instead of
76 waiting for depending on cmd completion from isr path.
78 1 Release Date : Mon Apr. 30 10:25:52 PST 2007 -
79 (emaild-id:megaraidlinux@lsi.com)
80 Sumant Patro
81 Bo Yang
83 2 Current Version : 00.00.03.11
84 3 Older Version : 00.00.03.09
86 1. Memory Manager for IOCTL removed for 2.6 kernels.
87 pci_alloc_consistent replaced by dma_alloc_coherent. With this
88 change there is no need of memory manager in the driver code
90 On Wed, 2007-02-07 at 13:30 -0800, Andrew Morton wrote:
91 > I suspect all this horror is due to stupidity in the DMA API.
92 >
93 > pci_alloc_consistent() just goes and assumes GFP_ATOMIC, whereas
94 > the caller (megasas_mgmt_fw_ioctl) would have been perfectly happy
95 > to use GFP_KERNEL.
96 >
97 > I bet this fixes it
99 It does, but the DMA API was expanded to cope with this exact case, so
100 use dma_alloc_coherent() directly in the megaraid code instead. The dev
101 is just &pci_dev->dev.
103 James <James.Bottomley@SteelEye.com>
105 3. SYNCHRONIZE_CACHE is not supported by FW and thus blocked by driver.
106 4. Hibernation support added
107 5. Performing diskdump while running IO in RHEL 4 was failing. Fixed.
109 1 Release Date : Fri Feb. 09 14:36:28 PST 2007 -
110 (emaild-id:megaraidlinux@lsi.com)
111 Sumant Patro
112 Bo Yang
114 2 Current Version : 00.00.03.09
115 3 Older Version : 00.00.03.08
117 i. Under heavy IO mid-layer prints "DRIVER_TIMEOUT" errors
119 The driver now waits for 10 seconds to elapse instead of 5 (as in
120 previous release) to resume IO.
122 1 Release Date : Mon Feb. 05 11:35:24 PST 2007 -
123 (emaild-id:megaraidlinux@lsi.com)
124 Sumant Patro
125 Bo Yang
126 2 Current Version : 00.00.03.08
127 3 Older Version : 00.00.03.07
129 i. Under heavy IO mid-layer prints "DRIVER_TIMEOUT" errors
131 Fix: The driver is now throttling IO.
132 Checks added in megasas_queue_command to know if FW is able to
133 process commands within timeout period. If number of retries
134 is 2 or greater,the driver stops sending cmd to FW temporarily. IO is
135 resumed if pending cmd count reduces to 16 or 5 seconds has elapsed
136 from the time cmds were last sent to FW.
138 ii. FW enables WCE bit in Mode Sense cmd for drives that are configured
139 as WriteBack. The OS may send "SYNCHRONIZE_CACHE" cmd when Logical
140 Disks are exposed with WCE=1. User is advised to enable Write Back
141 mode only when the controller has battery backup. At this time
142 Synhronize cache is not supported by the FW. Driver will short-cycle
143 the cmd and return sucess without sending down to FW.
145 1 Release Date : Sun Jan. 14 11:21:32 PDT 2007 -
146 Sumant Patro <Sumant.Patro@lsil.com>/Bo Yang
147 2 Current Version : 00.00.03.07
148 3 Older Version : 00.00.03.06
150 i. bios_param entry added in scsi_host_template that returns disk geometry
151 information.
153 1 Release Date : Fri Oct 20 11:21:32 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>/Bo Yang
154 2 Current Version : 00.00.03.06
155 3 Older Version : 00.00.03.05
157 1. Added new memory management module to support the IOCTL memory allocation. For IOCTL we try to allocate from the memory pool created during driver initialization. If mem pool is empty then we allocate at run time.
158 2. Added check in megasas_queue_command and dpc/isr routine to see if we have already declared adapter dead
159 (hw_crit_error=1). If hw_crit_error==1, now we donot accept any processing of pending cmds/accept any cmd from OS
161 1 Release Date : Mon Oct 02 11:21:32 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>
162 2 Current Version : 00.00.03.05
163 3 Older Version : 00.00.03.04
165 i. PCI_DEVICE macro used
167 Convert the pci_device_id-table of the megaraid_sas-driver to the PCI_DEVICE-macro, to safe some lines.
169 - Henrik Kretzschmar <henne@nachtwindheim.de>
170 ii. All compiler warnings removed
171 iii. megasas_ctrl_info struct reverted to 3.02 release
172 iv. Default value of megasas_dbg_lvl set to 0
173 v. Removing in megasas_exit the sysfs entry created for megasas_dbg_lvl
174 vi. In megasas_teardown_frame_pool(), cmd->frame was passed instead of
175 cmd->sense to pci_pool_free. Fixed. Bug was pointed out by
176 Eric Sesterhenn
178 1 Release Date : Wed Sep 13 14:22:51 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>
179 2 Current Version : 00.00.03.04
180 3 Older Version : 00.00.03.03
182 i. Added Reboot notify
183 ii. Reduced by 1 max cmds sent to FW from Driver to make the reply_q_sz same
184 as Max Cmds FW can support
186 1 Release Date : Tue Aug 22 16:33:14 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>
187 2 Current Version : 00.00.03.03
188 3 Older Version : 00.00.03.02
190 i. Send stop adapter to FW & Dump pending FW cmds before declaring adapter dead.
191 New varible added to set dbg level.
192 ii. Disable interrupt made as fn pointer as they are different for 1068 / 1078
193 iii. Frame count optimization. Main frame can contain 2 SGE for 64 bit SGLs and
194 3 SGE for 32 bit SGL
195 iv. Tasklet added for cmd completion
196 v. If FW in operational state before firing INIT, now we send RESET Flag to FW instead of just READY. This is used to do soft reset.
197 vi. megasas_ctrl_prop structure updated (based on FW struct)
198 vii. Added print : FW now in Ready State during initialization
200 1 Release Date : Sun Aug 06 22:49:52 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>
201 2 Current Version : 00.00.03.02
202 3 Older Version : 00.00.03.01
204 i. Added FW tranistion state for Hotplug scenario
206 1 Release Date : Sun May 14 22:49:52 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>
207 2 Current Version : 00.00.03.01
208 3 Older Version : 00.00.02.04
210 i. Added support for ZCR controller.
212 New device id 0x413 added.
214 ii. Bug fix : Disable controller interrupt before firing INIT cmd to FW.
216 Interrupt is enabled after required initialization is over.
217 This is done to ensure that driver is ready to handle interrupts when
218 it is generated by the controller.
220 -Sumant Patro <Sumant.Patro@lsil.com>
222 1 Release Date : Wed Feb 03 14:31:44 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com>
223 2 Current Version : 00.00.02.04
224 3 Older Version : 00.00.02.04
226 i. Remove superflous instance_lock
228 gets rid of the otherwise superflous instance_lock and avoids an unsave
229 unsynchronized access in the error handler.
231 - Christoph Hellwig <hch@lst.de>
234 1 Release Date : Wed Feb 03 14:31:44 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com>
235 2 Current Version : 00.00.02.04
236 3 Older Version : 00.00.02.04
238 i. Support for 1078 type (ppc IOP) controller, device id : 0x60 added.
239 During initialization, depending on the device id, the template members
240 are initialized with function pointers specific to the ppc or
241 xscale controllers.
243 -Sumant Patro <Sumant.Patro@lsil.com>
245 1 Release Date : Fri Feb 03 14:16:25 PST 2006 - Sumant Patro
246 <Sumant.Patro@lsil.com>
247 2 Current Version : 00.00.02.04
248 3 Older Version : 00.00.02.02
249 i. Register 16 byte CDB capability with scsi midlayer
251 "Ths patch properly registers the 16 byte command length capability of the
252 megaraid_sas controlled hardware with the scsi midlayer. All megaraid_sas
253 hardware supports 16 byte CDB's."
255 -Joshua Giles <joshua_giles@dell.com>
257 1 Release Date : Mon Jan 23 14:09:01 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com>
258 2 Current Version : 00.00.02.02
259 3 Older Version : 00.00.02.01
261 i. New template defined to represent each family of controllers (identified by processor used).
262 The template will have defintions that will be initialised to appropritae values for a specific family of controllers. The template definition has four function pointers. During driver initialisation the function pointers will be set based on the controller family type. This change is done to support new controllers that has different processors and thus different register set.
264 -Sumant Patro <Sumant.Patro@lsil.com>
266 1 Release Date : Mon Dec 19 14:36:26 PST 2005 - Sumant Patro <Sumant.Patro@lsil.com>
267 2 Current Version : 00.00.02.00-rc4
268 3 Older Version : 00.00.02.01
270 i. Code reorganized to remove code duplication in megasas_build_cmd.
272 "There's a lot of duplicate code megasas_build_cmd. Move that out of the different codepathes and merge the reminder of megasas_build_cmd into megasas_queue_command"
274 - Christoph Hellwig <hch@lst.de>
276 ii. Defined MEGASAS_IOC_FIRMWARE32 for code paths that handles 32 bit applications in 64 bit systems.
278 "MEGASAS_IOC_FIRMWARE can't be redefined if CONFIG_COMPAT is set, we need to define a MEGASAS_IOC_FIRMWARE32 define so native binaries continue to work"
280 - Christoph Hellwig <hch@lst.de>