mesh: various improvements.

devices/common/scsi/mesh.cpp

@@ -175,6 +175,7 @@ void MeshController::perform_command(const uint8_t cmd)
         break;
     case SeqCmd::FlushFIFO:
         LOG_F(INFO, "MESH: FlushFIFO stub invoked");
+        this->int_stat |= INT_CMD_DONE;
         break;
     default:
         LOG_F(ERROR, "MESH: unsupported sequencer command 0x%X", this->cur_cmd);

devices/common/scsi/mesh.h

@@ -24,6 +24,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #ifndef MESH_H
 #define MESH_H
 
+#include <devices/common/dmacore.h>
 #include <devices/common/hwcomponent.h>
 
 #include <cinttypes>
@@ -133,6 +134,10 @@ public:
     // HWComponent methods
     int device_postinit();
 
+    void set_dma_channel(DmaBidirChannel *dma_ch) {
+        this->dma_ch = dma_ch;
+    };
+
 protected:
     void    reset(bool is_hard_reset);
     void    perform_command(const uint8_t cmd);
@@ -165,6 +170,9 @@ private:
     InterruptCtrl* int_ctrl = nullptr;
     uint32_t       irq_id   = 0;
     uint8_t        irq      = 0;
+
+    // DMA related stuff
+    DmaBidirChannel*    dma_ch;
 };
 
 #endif // MESH_H