diff mbox series

[PATCHv2,3/4] sun4m_iommu: remove legacy sparc_iommu_memory_rw() function

Message ID 1509106789-8626-4-git-send-email-mark.cave-ayland@ilande.co.uk
State New
Headers show
Series sun4m: implement memory region IOMMU translation and DMA API | expand

Commit Message

Mark Cave-Ayland Oct. 27, 2017, 12:19 p.m. UTC 
With the switch to the IOMMU memory region and DMA API, this is no longer
required.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/dma/sun4m_iommu.c     |   33 ---------------------------------
 include/hw/sparc/sun4m.h |   16 ----------------
 2 files changed, 49 deletions(-)
diff mbox series

Patch

diff --git a/hw/dma/sun4m_iommu.c b/hw/dma/sun4m_iommu.c
index ce21a22..30a05e8 100644
--- a/hw/dma/sun4m_iommu.c
+++ b/hw/dma/sun4m_iommu.c
@@ -321,39 +321,6 @@  static IOMMUTLBEntry sun4m_translate_iommu(IOMMUMemoryRegion *iommu,
     return ret;
 }
 
-void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
-                           uint8_t *buf, int len, int is_write)
-{
-    int l;
-    uint32_t flags;
-    hwaddr page, phys_addr;
-
-    while (len > 0) {
-        page = addr & IOMMU_PAGE_MASK;
-        l = (page + IOMMU_PAGE_SIZE) - addr;
-        if (l > len)
-            l = len;
-        flags = iommu_page_get_flags(opaque, page);
-        if (!(flags & IOPTE_VALID)) {
-            iommu_bad_addr(opaque, page, is_write);
-            return;
-        }
-        phys_addr = iommu_translate_pa(addr, flags);
-        if (is_write) {
-            if (!(flags & IOPTE_WRITE)) {
-                iommu_bad_addr(opaque, page, is_write);
-                return;
-            }
-            cpu_physical_memory_write(phys_addr, buf, l);
-        } else {
-            cpu_physical_memory_read(phys_addr, buf, l);
-        }
-        len -= l;
-        buf += l;
-        addr += l;
-    }
-}
-
 static const VMStateDescription vmstate_iommu = {
     .name ="iommu",
     .version_id = 2,
diff --git a/include/hw/sparc/sun4m.h b/include/hw/sparc/sun4m.h
index 6e21e10..c2d0448 100644
--- a/include/hw/sparc/sun4m.h
+++ b/include/hw/sparc/sun4m.h
@@ -29,22 +29,6 @@  typedef struct IOMMUState {
     uint32_t version;
 } IOMMUState;
 
-void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
-                                 uint8_t *buf, int len, int is_write);
-static inline void sparc_iommu_memory_read(void *opaque,
-                                           hwaddr addr,
-                                           uint8_t *buf, int len)
-{
-    sparc_iommu_memory_rw(opaque, addr, buf, len, 0);
-}
-
-static inline void sparc_iommu_memory_write(void *opaque,
-                                            hwaddr addr,
-                                            uint8_t *buf, int len)
-{
-    sparc_iommu_memory_rw(opaque, addr, buf, len, 1);
-}
-
 /* sparc32_dma.c */
 #include "hw/sparc/sparc32_dma.h"