Patchwork [10/14] lsi53c895a: use the DMA memory access interface

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Submitter David Gibson
Date June 2, 2011, 3:12 p.m.
Message ID <1307027562-3460-11-git-send-email-david@gibson.dropbear.id.au>
Download mbox | patch
Permalink /patch/98417/
State New
Headers show

Comments

David Gibson - June 2, 2011, 3:12 p.m.
This allows the device to work properly with an emulated IOMMU.

Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
---
 hw/lsi53c895a.c |   24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)

Patch

diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 83084b6..0b8a213 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -395,7 +395,7 @@  static inline uint32_t read_dword(LSIState *s, uint32_t addr)
     if ((addr & 0xffffe000) == s->script_ram_base) {
         return s->script_ram[(addr & 0x1fff) >> 2];
     }
-    cpu_physical_memory_read(addr, (uint8_t *)&buf, 4);
+    dma_memory_read(&s->dev.qdev, addr, (uint8_t *)&buf, 4);
     return cpu_to_le32(buf);
 }
 
@@ -573,9 +573,9 @@  static void lsi_do_dma(LSIState *s, int out)
     }
     /* ??? Set SFBR to first data byte.  */
     if (out) {
-        cpu_physical_memory_read(addr, s->current->dma_buf, count);
+        dma_memory_read(&s->dev.qdev, addr, s->current->dma_buf, count);
     } else {
-        cpu_physical_memory_write(addr, s->current->dma_buf, count);
+        dma_memory_write(&s->dev.qdev, addr, s->current->dma_buf, count);
     }
     s->current->dma_len -= count;
     if (s->current->dma_len == 0) {
@@ -775,7 +775,7 @@  static void lsi_do_command(LSIState *s)
     DPRINTF("Send command len=%d\n", s->dbc);
     if (s->dbc > 16)
         s->dbc = 16;
-    cpu_physical_memory_read(s->dnad, buf, s->dbc);
+    dma_memory_read(&s->dev.qdev, s->dnad, buf, s->dbc);
     s->sfbr = buf[0];
     s->command_complete = 0;
 
@@ -825,7 +825,7 @@  static void lsi_do_status(LSIState *s)
     s->dbc = 1;
     status = s->status;
     s->sfbr = status;
-    cpu_physical_memory_write(s->dnad, &status, 1);
+    dma_memory_write(&s->dev.qdev, s->dnad, &status, 1);
     lsi_set_phase(s, PHASE_MI);
     s->msg_action = 1;
     lsi_add_msg_byte(s, 0); /* COMMAND COMPLETE */
@@ -839,7 +839,7 @@  static void lsi_do_msgin(LSIState *s)
     len = s->msg_len;
     if (len > s->dbc)
         len = s->dbc;
-    cpu_physical_memory_write(s->dnad, s->msg, len);
+    dma_memory_write(&s->dev.qdev, s->dnad, s->msg, len);
     /* Linux drivers rely on the last byte being in the SIDL.  */
     s->sidl = s->msg[len - 1];
     s->msg_len -= len;
@@ -871,7 +871,7 @@  static void lsi_do_msgin(LSIState *s)
 static uint8_t lsi_get_msgbyte(LSIState *s)
 {
     uint8_t data;
-    cpu_physical_memory_read(s->dnad, &data, 1);
+    dma_memory_read(&s->dev.qdev, s->dnad, &data, 1);
     s->dnad++;
     s->dbc--;
     return data;
@@ -1028,8 +1028,8 @@  static void lsi_memcpy(LSIState *s, uint32_t dest, uint32_t src, int count)
     DPRINTF("memcpy dest 0x%08x src 0x%08x count %d\n", dest, src, count);
     while (count) {
         n = (count > LSI_BUF_SIZE) ? LSI_BUF_SIZE : count;
-        cpu_physical_memory_read(src, buf, n);
-        cpu_physical_memory_write(dest, buf, n);
+        dma_memory_read(&s->dev.qdev, src, buf, n);
+        dma_memory_write(&s->dev.qdev, dest, buf, n);
         src += n;
         dest += n;
         count -= n;
@@ -1097,7 +1097,7 @@  again:
 
             /* 32-bit Table indirect */
             offset = sxt24(addr);
-            cpu_physical_memory_read(s->dsa + offset, (uint8_t *)buf, 8);
+            dma_memory_read(&s->dev.qdev, s->dsa + offset, (uint8_t *)buf, 8);
             /* byte count is stored in bits 0:23 only */
             s->dbc = cpu_to_le32(buf[0]) & 0xffffff;
             s->rbc = s->dbc;
@@ -1456,7 +1456,7 @@  again:
             n = (insn & 7);
             reg = (insn >> 16) & 0xff;
             if (insn & (1 << 24)) {
-                cpu_physical_memory_read(addr, data, n);
+                dma_memory_read(&s->dev.qdev, addr, data, n);
                 DPRINTF("Load reg 0x%x size %d addr 0x%08x = %08x\n", reg, n,
                         addr, *(int *)data);
                 for (i = 0; i < n; i++) {
@@ -1467,7 +1467,7 @@  again:
                 for (i = 0; i < n; i++) {
                     data[i] = lsi_reg_readb(s, reg + i);
                 }
-                cpu_physical_memory_write(addr, data, n);
+                dma_memory_write(&s->dev.qdev, addr, data, n);
             }
         }
     }