[SCSI] Merge up to linux-2.6 head

[cascardo/linux.git] / drivers / scsi / aacraid / aachba.c

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 8dcfe4e..47014be 100644 (file)
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -825,7 +825,7 @@ static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u3
        readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
        readcmd->count = cpu_to_le32(count<<9);
        readcmd->cid = cpu_to_le16(scmd_id(cmd));
-       readcmd->flags = cpu_to_le16(1);
+       readcmd->flags = cpu_to_le16(IO_TYPE_READ);
        readcmd->bpTotal = 0;
        readcmd->bpComplete = 0;
 
@@ -904,7 +904,7 @@ static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32
                          (void *) cmd);
 }
 
-static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 {
        u16 fibsize;
        struct aac_raw_io *writecmd;
@@ -914,7 +914,9 @@ static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u
        writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
        writecmd->count = cpu_to_le32(count<<9);
        writecmd->cid = cpu_to_le16(scmd_id(cmd));
-       writecmd->flags = 0;
+       writecmd->flags = fua ?
+               cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
+               cpu_to_le16(IO_TYPE_WRITE);
        writecmd->bpTotal = 0;
        writecmd->bpComplete = 0;
 
@@ -933,7 +935,7 @@ static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u
                          (void *) cmd);
 }
 
-static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 {
        u16 fibsize;
        struct aac_write64 *writecmd;
@@ -964,7 +966,7 @@ static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba,
                          (void *) cmd);
 }
 
-static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 {
        u16 fibsize;
        struct aac_write *writecmd;
@@ -1498,6 +1500,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 {
        u64 lba;
        u32 count;
+       int fua;
        int status;
        struct aac_dev *dev;
        struct fib * cmd_fibcontext;
@@ -1512,6 +1515,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
                count = scsicmd->cmnd[4];
                if (count == 0)
                        count = 256;
+               fua = 0;
        } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
                dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
 
@@ -1524,6 +1528,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
                        (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
                count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
                        (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
+               fua = scsicmd->cmnd[1] & 0x8;
        } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
                dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
 
@@ -1531,10 +1536,12 @@ static int aac_write(struct scsi_cmnd * scsicmd)
                    | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
                count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
                      | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+               fua = scsicmd->cmnd[1] & 0x8;
        } else {
                dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
                lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
                count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
+               fua = scsicmd->cmnd[1] & 0x8;
        }
        dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
          smp_processor_id(), (unsigned long long)lba, jiffies));
@@ -1549,7 +1556,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
                return 0;
        }
 
-       status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
+       status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
 
        /*
         *      Check that the command queued to the controller
@@ -1886,15 +1893,29 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 
        case MODE_SENSE:
        {
-               char mode_buf[4];
+               char mode_buf[7];
+               int mode_buf_length = 4;
 
                dprintk((KERN_DEBUG "MODE SENSE command.\n"));
                mode_buf[0] = 3;        /* Mode data length */
                mode_buf[1] = 0;        /* Medium type - default */
-               mode_buf[2] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
+               mode_buf[2] = 0;        /* Device-specific param,
+                                          bit 8: 0/1 = write enabled/protected
+                                          bit 4: 0/1 = FUA enabled */
+               if (dev->raw_io_interface)
+                       mode_buf[2] = 0x10;
                mode_buf[3] = 0;        /* Block descriptor length */
-
-               aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
+               if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+                 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+                       mode_buf[0] = 6;
+                       mode_buf[4] = 8;
+                       mode_buf[5] = 1;
+                       mode_buf[6] = 0x04; /* WCE */
+                       mode_buf_length = 7;
+                       if (mode_buf_length > scsicmd->cmnd[4])
+                               mode_buf_length = scsicmd->cmnd[4];
+               }
+               aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
                scsicmd->scsi_done(scsicmd);
 
@@ -1902,18 +1923,33 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
        }
        case MODE_SENSE_10:
        {
-               char mode_buf[8];
+               char mode_buf[11];
+               int mode_buf_length = 8;
 
                dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
                mode_buf[0] = 0;        /* Mode data length (MSB) */
                mode_buf[1] = 6;        /* Mode data length (LSB) */
                mode_buf[2] = 0;        /* Medium type - default */
-               mode_buf[3] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
+               mode_buf[3] = 0;        /* Device-specific param,
+                                          bit 8: 0/1 = write enabled/protected
+                                          bit 4: 0/1 = FUA enabled */
+               if (dev->raw_io_interface)
+                       mode_buf[3] = 0x10;
                mode_buf[4] = 0;        /* reserved */
                mode_buf[5] = 0;        /* reserved */
                mode_buf[6] = 0;        /* Block descriptor length (MSB) */
                mode_buf[7] = 0;        /* Block descriptor length (LSB) */
-               aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
+               if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+                 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+                       mode_buf[1] = 9;
+                       mode_buf[8] = 8;
+                       mode_buf[9] = 1;
+                       mode_buf[10] = 0x04; /* WCE */
+                       mode_buf_length = 11;
+                       if (mode_buf_length > scsicmd->cmnd[8])
+                               mode_buf_length = scsicmd->cmnd[8];
+               }
+               aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
 
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
                scsicmd->scsi_done(scsicmd);