Lines Matching defs:scb
378 scb_t *scb;
387 * allocate scb. We will return non-zero status in that case.
388 * NOTE: scb can be null even though certain commands completed
394 scb = mega_build_cmd(adapter, scmd, &busy);
395 if (!scb)
398 scb->state |= SCB_PENDQ;
399 list_add_tail(&scb->list, &adapter->pending_list);
429 scb_t *scb;
434 scb = list_entry(head->next, scb_t, list);
438 scb->state = SCB_ACTIVE;
439 scb->cmd = cmd;
440 scb->dma_type = MEGA_DMA_TYPE_NONE;
442 return scb;
524 scb_t *scb;
642 if(!(scb = mega_allocate_scb(adapter, cmd))) {
647 scb->raw_mbox[0] = MEGA_CLUSTER_CMD;
648 scb->raw_mbox[2] = MEGA_RESERVATION_STATUS;
649 scb->raw_mbox[3] = ldrv_num;
651 scb->dma_direction = DMA_NONE;
653 return scb;
690 if(!(scb = mega_allocate_scb(adapter, cmd))) {
694 pthru = scb->pthru;
696 mbox = (mbox_t *)scb->raw_mbox;
697 memset(mbox, 0, sizeof(scb->raw_mbox));
715 scb->dma_direction = DMA_FROM_DEVICE;
717 pthru->numsgelements = mega_build_sglist(adapter, scb,
720 mbox->m_out.xferaddr = scb->pthru_dma_addr;
722 return scb;
732 if(!(scb = mega_allocate_scb(adapter, cmd))) {
736 mbox = (mbox_t *)scb->raw_mbox;
738 memset(mbox, 0, sizeof(scb->raw_mbox));
845 scb->dma_direction = DMA_FROM_DEVICE;
848 scb->dma_direction = DMA_TO_DEVICE;
852 mbox->m_out.numsgelements = mega_build_sglist(adapter, scb,
855 return scb;
872 if(!(scb = mega_allocate_scb(adapter, cmd))) {
877 scb->raw_mbox[0] = MEGA_CLUSTER_CMD;
878 scb->raw_mbox[2] = ( *cmd->cmnd == RESERVE ) ?
881 scb->raw_mbox[3] = ldrv_num;
883 scb->dma_direction = DMA_NONE;
885 return scb;
900 if(!(scb = mega_allocate_scb(adapter, cmd))) {
905 mbox = (mbox_t *)scb->raw_mbox;
906 memset(mbox, 0, sizeof(scb->raw_mbox));
910 mega_prepare_extpassthru(adapter, scb, cmd,
915 mbox->m_out.xferaddr = scb->epthru_dma_addr;
920 pthru = mega_prepare_passthru(adapter, scb, cmd,
931 mbox->m_out.xferaddr = scb->pthru_dma_addr;
934 return scb;
943 * @scb: our scsi control block
951 mega_prepare_passthru(adapter_t *adapter, scb_t *scb, struct scsi_cmnd *cmd,
956 pthru = scb->pthru;
977 scb->dma_direction = DMA_BIDIRECTIONAL;
995 pthru->numsgelements = mega_build_sglist(adapter, scb,
1006 * @scb: our scsi control block
1015 mega_prepare_extpassthru(adapter_t *adapter, scb_t *scb,
1021 epthru = scb->epthru;
1041 scb->dma_direction = DMA_BIDIRECTIONAL;
1058 epthru->numsgelements = mega_build_sglist(adapter, scb,
1069 scb_t *scb;
1075 scb = list_entry(pos, scb_t, list);
1077 if( !(scb->state & SCB_ISSUED) ) {
1079 if( issue_scb(adapter, scb) != 0 )
1091 * @scb: scsi control block
1094 * busy. We also take the scb from the pending list if the mailbox is
1098 issue_scb(adapter_t *adapter, scb_t *scb)
1114 memcpy((char *)&mbox->m_out, (char *)scb->raw_mbox,
1117 mbox->m_out.cmdid = scb->idx; /* Set cmdid */
1143 scb->state |= SCB_ISSUED;
1174 * Issue a scb in synchronous and non-interrupt mode
1422 scb_t *scb;
1429 * and free the scb.
1443 scb = &adapter->int_scb;
1445 list_del_init(&scb->list);
1446 scb->state = SCB_FREE;
1451 scb = &adapter->scb_list[cmdid];
1456 if( !(scb->state & SCB_ISSUED) || scb->cmd == NULL ) {
1458 "Id %d, scb->state:%x, scsi cmd:%p\n",
1459 cmdid, scb->state, scb->cmd);
1467 if( scb->state & SCB_ABORT ) {
1471 scb->idx);
1473 scb->cmd->result = (DID_ABORT << 16);
1475 list_add_tail(SCSI_LIST(scb->cmd),
1478 mega_free_scb(adapter, scb);
1486 if( scb->state & SCB_RESET ) {
1490 scb->idx);
1492 scb->cmd->result = (DID_RESET << 16);
1494 list_add_tail(SCSI_LIST(scb->cmd),
1497 mega_free_scb (adapter, scb);
1502 cmd = scb->cmd;
1503 pthru = scb->pthru;
1504 epthru = scb->epthru;
1505 mbox = (mbox_t *)scb->raw_mbox;
1631 mega_free_scb(adapter, scb);
1658 * Note: We assume the scsi commands associated with this scb is not free yet.
1661 mega_free_scb(adapter_t *adapter, scb_t *scb)
1663 switch( scb->dma_type ) {
1669 scsi_dma_unmap(scb->cmd);
1678 list_del_init(&scb->list);
1680 /* Link the scb back into free list */
1681 scb->state = SCB_FREE;
1682 scb->cmd = NULL;
1684 list_add(&scb->list, &adapter->free_list);
1708 mega_build_sglist(adapter_t *adapter, scb_t *scb, u32 *buf, u32 *len)
1715 cmd = scb->cmd;
1724 scb->dma_type = MEGA_SGLIST;
1732 scb->dma_h_bulkdata = sg_dma_address(sg);
1733 *buf = (u32)scb->dma_h_bulkdata;
1740 scb->sgl64[idx].address = sg_dma_address(sg);
1741 *len += scb->sgl64[idx].length = sg_dma_len(sg);
1743 scb->sgl[idx].address = sg_dma_address(sg);
1744 *len += scb->sgl[idx].length = sg_dma_len(sg);
1749 *buf = scb->sgl_dma_addr;
1799 scb_t *scb;
1804 scb = &adapter->scb_list[i];
1806 if( scb->sgl64 ) {
1809 scb->sgl64, scb->sgl_dma_addr);
1811 scb->sgl64 = NULL;
1814 if( scb->pthru ) {
1816 sizeof(mega_passthru), scb->pthru,
1817 scb->pthru_dma_addr);
1819 scb->pthru = NULL;
1822 if( scb->epthru ) {
1825 scb->epthru, scb->epthru_dma_addr);
1827 scb->epthru = NULL;
1925 scb_t *scb;
1937 scb = list_entry(pos, scb_t, list);
1939 if (scb->cmd == cmd) { /* Found command */
1941 scb->state |= aor;
1949 if( scb->state & SCB_ISSUED ) {
1954 scb->idx);
1967 scb->idx);
1969 mega_free_scb(adapter, scb);
2852 * Allocate memory for the various pointers in the scb structures:
2859 scb_t *scb;
2864 scb = &adapter->scb_list[i];
2866 scb->sgl64 = NULL;
2867 scb->sgl = NULL;
2868 scb->pthru = NULL;
2869 scb->epthru = NULL;
2874 scb = &adapter->scb_list[i];
2876 scb->idx = i;
2878 scb->sgl64 = dma_alloc_coherent(&adapter->dev->dev,
2880 &scb->sgl_dma_addr, GFP_KERNEL);
2882 scb->sgl = (mega_sglist *)scb->sgl64;
2884 if( !scb->sgl ) {
2890 scb->pthru = dma_alloc_coherent(&adapter->dev->dev,
2892 &scb->pthru_dma_addr, GFP_KERNEL);
2894 if( !scb->pthru ) {
2900 scb->epthru = dma_alloc_coherent(&adapter->dev->dev,
2902 &scb->epthru_dma_addr, GFP_KERNEL);
2904 if( !scb->epthru ) {
2912 scb->dma_type = MEGA_DMA_TYPE_NONE;
2919 scb->state = SCB_FREE;
2920 scb->cmd = NULL;
2921 list_add(&scb->list, &adapter->free_list);
3770 scb_t *scb;
3798 scb = list_entry(pos, scb_t, list);
3799 if (scb->pthru->logdrv < 0x80 )
3800 scb->pthru->logdrv += 0x80;
4051 scb_t *scb;
4061 scb = &adapter->int_scb;
4062 memset(scb, 0, sizeof(scb_t));
4064 scb->idx = CMDID_INT_CMDS;
4065 scb->state |= SCB_ACTIVE | SCB_PENDQ;
4067 memcpy(scb->raw_mbox, mc, sizeof(megacmd_t));
4073 scb->pthru = pthru;
4076 list_add_tail(&scb->list, &adapter->pending_list);