2 * Management Module Support for MPT (Message Passing Technology) based
5 * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.h
6 * Copyright (C) 2007-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
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45 #ifndef MPT2SAS_CTL_H_INCLUDED
46 #define MPT2SAS_CTL_H_INCLUDED
49 #include <linux/miscdevice.h>
52 #define MPT2SAS_DEV_NAME "mpt2ctl"
53 #define MPT2_MAGIC_NUMBER 'L'
54 #define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */
59 #define MPT2IOCINFO _IOWR(MPT2_MAGIC_NUMBER, 17, \
60 struct mpt2_ioctl_iocinfo)
61 #define MPT2COMMAND _IOWR(MPT2_MAGIC_NUMBER, 20, \
62 struct mpt2_ioctl_command)
64 #define MPT2COMMAND32 _IOWR(MPT2_MAGIC_NUMBER, 20, \
65 struct mpt2_ioctl_command32)
67 #define MPT2EVENTQUERY _IOWR(MPT2_MAGIC_NUMBER, 21, \
68 struct mpt2_ioctl_eventquery)
69 #define MPT2EVENTENABLE _IOWR(MPT2_MAGIC_NUMBER, 22, \
70 struct mpt2_ioctl_eventenable)
71 #define MPT2EVENTREPORT _IOWR(MPT2_MAGIC_NUMBER, 23, \
72 struct mpt2_ioctl_eventreport)
73 #define MPT2HARDRESET _IOWR(MPT2_MAGIC_NUMBER, 24, \
74 struct mpt2_ioctl_diag_reset)
75 #define MPT2BTDHMAPPING _IOWR(MPT2_MAGIC_NUMBER, 31, \
76 struct mpt2_ioctl_btdh_mapping)
78 /* diag buffer support */
79 #define MPT2DIAGREGISTER _IOWR(MPT2_MAGIC_NUMBER, 26, \
80 struct mpt2_diag_register)
81 #define MPT2DIAGRELEASE _IOWR(MPT2_MAGIC_NUMBER, 27, \
82 struct mpt2_diag_release)
83 #define MPT2DIAGUNREGISTER _IOWR(MPT2_MAGIC_NUMBER, 28, \
84 struct mpt2_diag_unregister)
85 #define MPT2DIAGQUERY _IOWR(MPT2_MAGIC_NUMBER, 29, \
86 struct mpt2_diag_query)
87 #define MPT2DIAGREADBUFFER _IOWR(MPT2_MAGIC_NUMBER, 30, \
88 struct mpt2_diag_read_buffer)
91 * struct mpt2_ioctl_header - main header structure
92 * @ioc_number - IOC unit number
93 * @port_number - IOC port number
94 * @max_data_size - maximum number bytes to transfer on read
96 struct mpt2_ioctl_header {
99 uint32_t max_data_size;
103 * struct mpt2_ioctl_diag_reset - diagnostic reset
104 * @hdr - generic header
106 struct mpt2_ioctl_diag_reset {
107 struct mpt2_ioctl_header hdr;
112 * struct mpt2_ioctl_pci_info - pci device info
113 * @device - pci device id
114 * @function - pci function id
116 * @segment_id - pci segment id
118 struct mpt2_ioctl_pci_info {
131 #define MPT2_IOCTL_INTERFACE_SCSI (0x00)
132 #define MPT2_IOCTL_INTERFACE_FC (0x01)
133 #define MPT2_IOCTL_INTERFACE_FC_IP (0x02)
134 #define MPT2_IOCTL_INTERFACE_SAS (0x03)
135 #define MPT2_IOCTL_INTERFACE_SAS2 (0x04)
136 #define MPT2_IOCTL_VERSION_LENGTH (32)
139 * struct mpt2_ioctl_iocinfo - generic controller info
140 * @hdr - generic header
141 * @adapter_type - type of adapter (spi, fc, sas)
142 * @port_number - port number
144 * @hw_rev - hardware revision
145 * @sub_system_device - PCI subsystem Device ID
146 * @sub_system_vendor - PCI subsystem Vendor ID
148 * @firmware_version - firmware version
149 * @bios_version - BIOS version
150 * @driver_version - driver version - 32 ASCII characters
152 * @scsi_id - scsi id of adapter 0
154 * @pci_information - pci info (2nd revision)
156 struct mpt2_ioctl_iocinfo {
157 struct mpt2_ioctl_header hdr;
158 uint32_t adapter_type;
159 uint32_t port_number;
162 uint32_t subsystem_device;
163 uint32_t subsystem_vendor;
165 uint32_t firmware_version;
166 uint32_t bios_version;
167 uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH];
171 struct mpt2_ioctl_pci_info pci_information;
175 /* number of event log entries */
176 #define MPT2SAS_CTL_EVENT_LOG_SIZE (50)
179 * struct mpt2_ioctl_eventquery - query event count and type
180 * @hdr - generic header
181 * @event_entries - number of events returned by get_event_report
183 * @event_types - type of events currently being captured
185 struct mpt2_ioctl_eventquery {
186 struct mpt2_ioctl_header hdr;
187 uint16_t event_entries;
189 uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
193 * struct mpt2_ioctl_eventenable - enable/disable event capturing
194 * @hdr - generic header
195 * @event_types - toggle off/on type of events to be captured
197 struct mpt2_ioctl_eventenable {
198 struct mpt2_ioctl_header hdr;
199 uint32_t event_types[4];
202 #define MPT2_EVENT_DATA_SIZE (192)
204 * struct MPT2_IOCTL_EVENTS -
205 * @event - the event that was reported
206 * @context - unique value for each event assigned by driver
207 * @data - event data returned in fw reply message
209 struct MPT2_IOCTL_EVENTS {
212 uint8_t data[MPT2_EVENT_DATA_SIZE];
216 * struct mpt2_ioctl_eventreport - returing event log
217 * @hdr - generic header
218 * @event_data - (see struct MPT2_IOCTL_EVENTS)
220 struct mpt2_ioctl_eventreport {
221 struct mpt2_ioctl_header hdr;
222 struct MPT2_IOCTL_EVENTS event_data[1];
226 * struct mpt2_ioctl_command - generic mpt firmware passthru ioclt
227 * @hdr - generic header
228 * @timeout - command timeout in seconds. (if zero then use driver default
230 * @reply_frame_buf_ptr - reply location
231 * @data_in_buf_ptr - destination for read
232 * @data_out_buf_ptr - data source for write
233 * @sense_data_ptr - sense data location
234 * @max_reply_bytes - maximum number of reply bytes to be sent to app.
235 * @data_in_size - number bytes for data transfer in (read)
236 * @data_out_size - number bytes for data transfer out (write)
237 * @max_sense_bytes - maximum number of bytes for auto sense buffers
238 * @data_sge_offset - offset in words from the start of the request message to
242 struct mpt2_ioctl_command {
243 struct mpt2_ioctl_header hdr;
245 void __user *reply_frame_buf_ptr;
246 void __user *data_in_buf_ptr;
247 void __user *data_out_buf_ptr;
248 void __user *sense_data_ptr;
249 uint32_t max_reply_bytes;
250 uint32_t data_in_size;
251 uint32_t data_out_size;
252 uint32_t max_sense_bytes;
253 uint32_t data_sge_offset;
258 struct mpt2_ioctl_command32 {
259 struct mpt2_ioctl_header hdr;
261 uint32_t reply_frame_buf_ptr;
262 uint32_t data_in_buf_ptr;
263 uint32_t data_out_buf_ptr;
264 uint32_t sense_data_ptr;
265 uint32_t max_reply_bytes;
266 uint32_t data_in_size;
267 uint32_t data_out_size;
268 uint32_t max_sense_bytes;
269 uint32_t data_sge_offset;
275 * struct mpt2_ioctl_btdh_mapping - mapping info
276 * @hdr - generic header
277 * @id - target device identification number
278 * @bus - SCSI bus number that the target device exists on
279 * @handle - device handle for the target device
282 * To obtain a bus/id the application sets
283 * handle to valid handle, and bus/id to 0xFFFF.
285 * To obtain the device handle the application sets
286 * bus/id valid value, and the handle to 0xFFFF.
288 struct mpt2_ioctl_btdh_mapping {
289 struct mpt2_ioctl_header hdr;
297 /* status bits for ioc->diag_buffer_status */
298 #define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01)
299 #define MPT2_DIAG_BUFFER_IS_RELEASED (0x02)
300 #define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04)
302 /* application flags for mpt2_diag_register, mpt2_diag_query */
303 #define MPT2_APP_FLAGS_APP_OWNED (0x0001)
304 #define MPT2_APP_FLAGS_BUFFER_VALID (0x0002)
305 #define MPT2_APP_FLAGS_FW_BUFFER_ACCESS (0x0004)
307 /* flags for mpt2_diag_read_buffer */
308 #define MPT2_FLAGS_REREGISTER (0x0001)
310 #define MPT2_PRODUCT_SPECIFIC_DWORDS 23
313 * struct mpt2_diag_register - application register with driver
314 * @hdr - generic header
316 * @buffer_type - specifies either TRACE or SNAPSHOT
317 * @application_flags - misc flags
318 * @diagnostic_flags - specifies flags affecting command processing
319 * @product_specific - product specific information
320 * @requested_buffer_size - buffers size in bytes
321 * @unique_id - tag specified by application that is used to signal ownership
324 * This will allow the driver to setup any required buffers that will be
325 * needed by firmware to communicate with the driver.
327 struct mpt2_diag_register {
328 struct mpt2_ioctl_header hdr;
331 uint16_t application_flags;
332 uint32_t diagnostic_flags;
333 uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
334 uint32_t requested_buffer_size;
339 * struct mpt2_diag_unregister - application unregister with driver
340 * @hdr - generic header
341 * @unique_id - tag uniquely identifies the buffer to be unregistered
343 * This will allow the driver to cleanup any memory allocated for diag
344 * messages and to free up any resources.
346 struct mpt2_diag_unregister {
347 struct mpt2_ioctl_header hdr;
352 * struct mpt2_diag_query - query relevant info associated with diag buffers
353 * @hdr - generic header
355 * @buffer_type - specifies either TRACE or SNAPSHOT
356 * @application_flags - misc flags
357 * @diagnostic_flags - specifies flags affecting command processing
358 * @product_specific - product specific information
359 * @total_buffer_size - diag buffer size in bytes
360 * @driver_added_buffer_size - size of extra space appended to end of buffer
361 * @unique_id - unique id associated with this buffer.
363 * The application will send only buffer_type and unique_id. Driver will
364 * inspect unique_id first, if valid, fill in all the info. If unique_id is
365 * 0x00, the driver will return info specified by Buffer Type.
367 struct mpt2_diag_query {
368 struct mpt2_ioctl_header hdr;
371 uint16_t application_flags;
372 uint32_t diagnostic_flags;
373 uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
374 uint32_t total_buffer_size;
375 uint32_t driver_added_buffer_size;
380 * struct mpt2_diag_release - request to send Diag Release Message to firmware
381 * @hdr - generic header
382 * @unique_id - tag uniquely identifies the buffer to be released
384 * This allows ownership of the specified buffer to returned to the driver,
385 * allowing an application to read the buffer without fear that firmware is
386 * overwritting information in the buffer.
388 struct mpt2_diag_release {
389 struct mpt2_ioctl_header hdr;
394 * struct mpt2_diag_read_buffer - request for copy of the diag buffer
395 * @hdr - generic header
398 * @flags - misc flags
399 * @starting_offset - starting offset within drivers buffer where to start
400 * reading data at into the specified application buffer
401 * @bytes_to_read - number of bytes to copy from the drivers buffer into the
402 * application buffer starting at starting_offset.
403 * @unique_id - unique id associated with this buffer.
404 * @diagnostic_data - data payload
406 struct mpt2_diag_read_buffer {
407 struct mpt2_ioctl_header hdr;
411 uint32_t starting_offset;
412 uint32_t bytes_to_read;
414 uint32_t diagnostic_data[1];
417 #endif /* MPT2SAS_CTL_H_INCLUDED */