[Qemu-devel] [PATCH] net: rtl8139: do not use old_mmio accesses

Matt Parker posted 1 patch 6 years, 8 months ago
Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/qemu tags/patchew/20170812213448.20624-1-mtparkr@gmail.com
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hw/net/rtl8139.c | 60 +++++++++++++++-----------------------------------------
1 file changed, 16 insertions(+), 44 deletions(-)
[Qemu-devel] [PATCH] net: rtl8139: do not use old_mmio accesses
Posted by Matt Parker 6 years, 8 months ago
This updates the current MemoryRegionOps for the bar 1 memory region
from using the old_mmio accessors to the .read and .write accessors.

Signed-off-by: Matt Parker <mtparkr@gmail.com>
---
 hw/net/rtl8139.c | 60 +++++++++++++++-----------------------------------------
 1 file changed, 16 insertions(+), 44 deletions(-)

diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 671c7e48c6..b3aefda291 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -3131,39 +3131,6 @@ static uint32_t rtl8139_io_readl(void *opaque, uint8_t addr)
 }
 
 /* */
-
-static void rtl8139_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
-{
-    rtl8139_io_writeb(opaque, addr & 0xFF, val);
-}
-
-static void rtl8139_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
-{
-    rtl8139_io_writew(opaque, addr & 0xFF, val);
-}
-
-static void rtl8139_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
-{
-    rtl8139_io_writel(opaque, addr & 0xFF, val);
-}
-
-static uint32_t rtl8139_mmio_readb(void *opaque, hwaddr addr)
-{
-    return rtl8139_io_readb(opaque, addr & 0xFF);
-}
-
-static uint32_t rtl8139_mmio_readw(void *opaque, hwaddr addr)
-{
-    uint32_t val = rtl8139_io_readw(opaque, addr & 0xFF);
-    return val;
-}
-
-static uint32_t rtl8139_mmio_readl(void *opaque, hwaddr addr)
-{
-    uint32_t val = rtl8139_io_readl(opaque, addr & 0xFF);
-    return val;
-}
-
 static int rtl8139_post_load(void *opaque, int version_id)
 {
     RTL8139State* s = opaque;
@@ -3344,18 +3311,23 @@ static const MemoryRegionOps rtl8139_io_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
+static uint64_t rtl8139_mmio_read(void *opaque, hwaddr addr, unsigned size)
+{
+   return rtl8139_ioport_read(opaque, addr & 0xFF, size);
+}
+
+static void rtl8139_mmio_write(void *opaque, hwaddr addr, uint64_t val,
+                               unsigned size)
+{
+    return rtl8139_ioport_write(opaque, addr & 0xFF, val, size);
+}
+
 static const MemoryRegionOps rtl8139_mmio_ops = {
-    .old_mmio = {
-        .read = {
-            rtl8139_mmio_readb,
-            rtl8139_mmio_readw,
-            rtl8139_mmio_readl,
-        },
-        .write = {
-            rtl8139_mmio_writeb,
-            rtl8139_mmio_writew,
-            rtl8139_mmio_writel,
-        },
+    .read = rtl8139_mmio_read,
+    .write = rtl8139_mmio_write,
+    .impl = {
+        .min_access_size = 1,
+        .max_access_size = 4,
     },
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
-- 
2.13.2


Re: [Qemu-devel] [PATCH] net: rtl8139: do not use old_mmio accesses
Posted by Jason Wang 6 years, 8 months ago

On 2017年08月13日 05:34, Matt Parker wrote:
> This updates the current MemoryRegionOps for the bar 1 memory region
> from using the old_mmio accessors to the .read and .write accessors.
>
> Signed-off-by: Matt Parker <mtparkr@gmail.com>
> ---
>   hw/net/rtl8139.c | 60 +++++++++++++++-----------------------------------------
>   1 file changed, 16 insertions(+), 44 deletions(-)
>
> diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
> index 671c7e48c6..b3aefda291 100644
> --- a/hw/net/rtl8139.c
> +++ b/hw/net/rtl8139.c
> @@ -3131,39 +3131,6 @@ static uint32_t rtl8139_io_readl(void *opaque, uint8_t addr)
>   }
>   
>   /* */
> -
> -static void rtl8139_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
> -{
> -    rtl8139_io_writeb(opaque, addr & 0xFF, val);
> -}
> -
> -static void rtl8139_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
> -{
> -    rtl8139_io_writew(opaque, addr & 0xFF, val);
> -}
> -
> -static void rtl8139_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
> -{
> -    rtl8139_io_writel(opaque, addr & 0xFF, val);
> -}
> -
> -static uint32_t rtl8139_mmio_readb(void *opaque, hwaddr addr)
> -{
> -    return rtl8139_io_readb(opaque, addr & 0xFF);
> -}
> -
> -static uint32_t rtl8139_mmio_readw(void *opaque, hwaddr addr)
> -{
> -    uint32_t val = rtl8139_io_readw(opaque, addr & 0xFF);
> -    return val;
> -}
> -
> -static uint32_t rtl8139_mmio_readl(void *opaque, hwaddr addr)
> -{
> -    uint32_t val = rtl8139_io_readl(opaque, addr & 0xFF);
> -    return val;
> -}
> -
>   static int rtl8139_post_load(void *opaque, int version_id)
>   {
>       RTL8139State* s = opaque;
> @@ -3344,18 +3311,23 @@ static const MemoryRegionOps rtl8139_io_ops = {
>       .endianness = DEVICE_LITTLE_ENDIAN,
>   };
>   
> +static uint64_t rtl8139_mmio_read(void *opaque, hwaddr addr, unsigned size)
> +{
> +   return rtl8139_ioport_read(opaque, addr & 0xFF, size);
> +}
> +
> +static void rtl8139_mmio_write(void *opaque, hwaddr addr, uint64_t val,
> +                               unsigned size)
> +{
> +    return rtl8139_ioport_write(opaque, addr & 0xFF, val, size);
> +}
> +
>   static const MemoryRegionOps rtl8139_mmio_ops = {
> -    .old_mmio = {
> -        .read = {
> -            rtl8139_mmio_readb,
> -            rtl8139_mmio_readw,
> -            rtl8139_mmio_readl,
> -        },
> -        .write = {
> -            rtl8139_mmio_writeb,
> -            rtl8139_mmio_writew,
> -            rtl8139_mmio_writel,
> -        },
> +    .read = rtl8139_mmio_read,
> +    .write = rtl8139_mmio_write,
> +    .impl = {
> +        .min_access_size = 1,
> +        .max_access_size = 4,
>       },
>       .endianness = DEVICE_LITTLE_ENDIAN,
>   };

Queued for 2.11.

Thanks