usb/storage/cypress_atacb.c

73 static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us)
77 	if (likely(srb->cmnd[0] != ATA_16 && srb->cmnd[0] != ATA_12)) {
78 		usb_stor_transparent_scsi_command(srb, us);
82 	memcpy(save_cmnd, srb->cmnd, sizeof(save_cmnd));
83 	memset(srb->cmnd, 0, MAX_COMMAND_SIZE);
99 	srb->cmd_len = 16;
101 	srb->cmnd[0] = 0x24; /*
106 	srb->cmnd[1] = 0x24; /* bVSCBSubCommand : 0x24 for ATACB */
108 	srb->cmnd[3] = 0xff - 1; /*
112 	srb->cmnd[4] = 1; /* TransferBlockCount : 512 */
115 		srb->cmnd[ 6] = save_cmnd[ 4]; /* features */
116 		srb->cmnd[ 7] = save_cmnd[ 6]; /* sector count */
117 		srb->cmnd[ 8] = save_cmnd[ 8]; /* lba low */
118 		srb->cmnd[ 9] = save_cmnd[10]; /* lba med */
119 		srb->cmnd[10] = save_cmnd[12]; /* lba high */
120 		srb->cmnd[11] = save_cmnd[13]; /* device */
121 		srb->cmnd[12] = save_cmnd[14]; /* command */
130 		srb->cmnd[ 6] = save_cmnd[3]; /* features */
131 		srb->cmnd[ 7] = save_cmnd[4]; /* sector count */
132 		srb->cmnd[ 8] = save_cmnd[5]; /* lba low */
133 		srb->cmnd[ 9] = save_cmnd[6]; /* lba med */
134 		srb->cmnd[10] = save_cmnd[7]; /* lba high */
135 		srb->cmnd[11] = save_cmnd[8]; /* device */
136 		srb->cmnd[12] = save_cmnd[9]; /* command */
140 	if ((srb->cmnd[12] == ATA_CMD_SET_FEATURES)
141 			&& (srb->cmnd[6] == SETFEATURES_XFER))
144 	if (srb->cmnd[12] == ATA_CMD_ID_ATA || srb->cmnd[12] == ATA_CMD_ID_ATAPI)
145 		srb->cmnd[2] |= (1<<7); /* set  IdentifyPacketDevice for these cmds */
148 	usb_stor_transparent_scsi_command(srb, us);
151 	if (srb->result == SAM_STAT_CHECK_CONDITION &&
152 			memcmp(srb->sense_buffer, usb_stor_sense_invalidCDB,
162 	if ((srb->result != (DID_ERROR << 16) &&
163 				srb->result != (DID_ABORT << 16)) &&
167 		unsigned char *sb = srb->sense_buffer;
172 		scsi_eh_prep_cmnd(srb, &ses, NULL, 0, sizeof(regs));
177 		 * but reading register selected in srb->cmnd[4]
179 		srb->cmd_len = 16;
180 		srb->cmnd[2] = 1;
182 		usb_stor_transparent_scsi_command(srb, us);
183 		memcpy(regs, srb->sense_buffer, sizeof(regs));
184 		tmp_result = srb->result;
185 		scsi_eh_restore_cmnd(srb, &ses);
223 		srb->result = SAM_STAT_CHECK_CONDITION;
227 	srb->result = SAM_STAT_CHECK_CONDITION;
229 	memcpy(srb->sense_buffer,
233 	memcpy(srb->cmnd, save_cmnd, sizeof(save_cmnd));
234 	if (srb->cmnd[0] == ATA_12)
235 		srb->cmd_len = 12;