aboutsummaryrefslogtreecommitdiffstats
path: root/block/scsi_ioctl.c
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-09 16:31:56 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-09 16:31:56 -0400
commit6a4690c22f5da1eb1c898b61b6a80da52fbd976f (patch)
treea03891a32abe0da191fb765fe669a597e07423c6 /block/scsi_ioctl.c
parent90bb28b0644f7324f8bd1feb27b35146e6785ba2 (diff)
parent8ec53663d2698076468b3e1edc4e1b418bd54de3 (diff)
Merge branch 'ptebits' into devel
Conflicts: arch/arm/Kconfig
Diffstat (limited to 'block/scsi_ioctl.c')
-rw-r--r--block/scsi_ioctl.c94
1 files changed, 91 insertions, 3 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 12a5182173f6..ec4b7f234626 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -105,12 +105,96 @@ static int sg_emulated_host(struct request_queue *q, int __user *p)
105 return put_user(1, p); 105 return put_user(1, p);
106} 106}
107 107
108void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter)
109{
110 /* Basic read-only commands */
111 __set_bit(TEST_UNIT_READY, filter->read_ok);
112 __set_bit(REQUEST_SENSE, filter->read_ok);
113 __set_bit(READ_6, filter->read_ok);
114 __set_bit(READ_10, filter->read_ok);
115 __set_bit(READ_12, filter->read_ok);
116 __set_bit(READ_16, filter->read_ok);
117 __set_bit(READ_BUFFER, filter->read_ok);
118 __set_bit(READ_DEFECT_DATA, filter->read_ok);
119 __set_bit(READ_CAPACITY, filter->read_ok);
120 __set_bit(READ_LONG, filter->read_ok);
121 __set_bit(INQUIRY, filter->read_ok);
122 __set_bit(MODE_SENSE, filter->read_ok);
123 __set_bit(MODE_SENSE_10, filter->read_ok);
124 __set_bit(LOG_SENSE, filter->read_ok);
125 __set_bit(START_STOP, filter->read_ok);
126 __set_bit(GPCMD_VERIFY_10, filter->read_ok);
127 __set_bit(VERIFY_16, filter->read_ok);
128 __set_bit(REPORT_LUNS, filter->read_ok);
129 __set_bit(SERVICE_ACTION_IN, filter->read_ok);
130 __set_bit(RECEIVE_DIAGNOSTIC, filter->read_ok);
131 __set_bit(MAINTENANCE_IN, filter->read_ok);
132 __set_bit(GPCMD_READ_BUFFER_CAPACITY, filter->read_ok);
133
134 /* Audio CD commands */
135 __set_bit(GPCMD_PLAY_CD, filter->read_ok);
136 __set_bit(GPCMD_PLAY_AUDIO_10, filter->read_ok);
137 __set_bit(GPCMD_PLAY_AUDIO_MSF, filter->read_ok);
138 __set_bit(GPCMD_PLAY_AUDIO_TI, filter->read_ok);
139 __set_bit(GPCMD_PAUSE_RESUME, filter->read_ok);
140
141 /* CD/DVD data reading */
142 __set_bit(GPCMD_READ_CD, filter->read_ok);
143 __set_bit(GPCMD_READ_CD_MSF, filter->read_ok);
144 __set_bit(GPCMD_READ_DISC_INFO, filter->read_ok);
145 __set_bit(GPCMD_READ_CDVD_CAPACITY, filter->read_ok);
146 __set_bit(GPCMD_READ_DVD_STRUCTURE, filter->read_ok);
147 __set_bit(GPCMD_READ_HEADER, filter->read_ok);
148 __set_bit(GPCMD_READ_TRACK_RZONE_INFO, filter->read_ok);
149 __set_bit(GPCMD_READ_SUBCHANNEL, filter->read_ok);
150 __set_bit(GPCMD_READ_TOC_PMA_ATIP, filter->read_ok);
151 __set_bit(GPCMD_REPORT_KEY, filter->read_ok);
152 __set_bit(GPCMD_SCAN, filter->read_ok);
153 __set_bit(GPCMD_GET_CONFIGURATION, filter->read_ok);
154 __set_bit(GPCMD_READ_FORMAT_CAPACITIES, filter->read_ok);
155 __set_bit(GPCMD_GET_EVENT_STATUS_NOTIFICATION, filter->read_ok);
156 __set_bit(GPCMD_GET_PERFORMANCE, filter->read_ok);
157 __set_bit(GPCMD_SEEK, filter->read_ok);
158 __set_bit(GPCMD_STOP_PLAY_SCAN, filter->read_ok);
159
160 /* Basic writing commands */
161 __set_bit(WRITE_6, filter->write_ok);
162 __set_bit(WRITE_10, filter->write_ok);
163 __set_bit(WRITE_VERIFY, filter->write_ok);
164 __set_bit(WRITE_12, filter->write_ok);
165 __set_bit(WRITE_VERIFY_12, filter->write_ok);
166 __set_bit(WRITE_16, filter->write_ok);
167 __set_bit(WRITE_LONG, filter->write_ok);
168 __set_bit(WRITE_LONG_2, filter->write_ok);
169 __set_bit(ERASE, filter->write_ok);
170 __set_bit(GPCMD_MODE_SELECT_10, filter->write_ok);
171 __set_bit(MODE_SELECT, filter->write_ok);
172 __set_bit(LOG_SELECT, filter->write_ok);
173 __set_bit(GPCMD_BLANK, filter->write_ok);
174 __set_bit(GPCMD_CLOSE_TRACK, filter->write_ok);
175 __set_bit(GPCMD_FLUSH_CACHE, filter->write_ok);
176 __set_bit(GPCMD_FORMAT_UNIT, filter->write_ok);
177 __set_bit(GPCMD_REPAIR_RZONE_TRACK, filter->write_ok);
178 __set_bit(GPCMD_RESERVE_RZONE_TRACK, filter->write_ok);
179 __set_bit(GPCMD_SEND_DVD_STRUCTURE, filter->write_ok);
180 __set_bit(GPCMD_SEND_EVENT, filter->write_ok);
181 __set_bit(GPCMD_SEND_KEY, filter->write_ok);
182 __set_bit(GPCMD_SEND_OPC, filter->write_ok);
183 __set_bit(GPCMD_SEND_CUE_SHEET, filter->write_ok);
184 __set_bit(GPCMD_SET_SPEED, filter->write_ok);
185 __set_bit(GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL, filter->write_ok);
186 __set_bit(GPCMD_LOAD_UNLOAD, filter->write_ok);
187 __set_bit(GPCMD_SET_STREAMING, filter->write_ok);
188}
189EXPORT_SYMBOL_GPL(blk_set_cmd_filter_defaults);
190
108static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq, 191static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
109 struct sg_io_hdr *hdr, struct file *file) 192 struct sg_io_hdr *hdr, struct file *file)
110{ 193{
111 if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len)) 194 if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
112 return -EFAULT; 195 return -EFAULT;
113 if (blk_verify_command(file, rq->cmd)) 196 if (blk_verify_command(&q->cmd_filter, rq->cmd,
197 file->f_mode & FMODE_WRITE))
114 return -EPERM; 198 return -EPERM;
115 199
116 /* 200 /*
@@ -298,7 +382,7 @@ int sg_scsi_ioctl(struct file *file, struct request_queue *q,
298 struct gendisk *disk, struct scsi_ioctl_command __user *sic) 382 struct gendisk *disk, struct scsi_ioctl_command __user *sic)
299{ 383{
300 struct request *rq; 384 struct request *rq;
301 int err; 385 int err, write_perm = 0;
302 unsigned int in_len, out_len, bytes, opcode, cmdlen; 386 unsigned int in_len, out_len, bytes, opcode, cmdlen;
303 char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE]; 387 char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE];
304 388
@@ -340,7 +424,11 @@ int sg_scsi_ioctl(struct file *file, struct request_queue *q,
340 if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len)) 424 if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
341 goto error; 425 goto error;
342 426
343 err = blk_verify_command(file, rq->cmd); 427 /* scsi_ioctl passes NULL */
428 if (file && (file->f_mode & FMODE_WRITE))
429 write_perm = 1;
430
431 err = blk_verify_command(&q->cmd_filter, rq->cmd, write_perm);
344 if (err) 432 if (err)
345 goto error; 433 goto error;
346 434