[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC v3 30/56] rtl8139: convert to memory API
From: |
Avi Kivity |
Subject: |
[Qemu-devel] [RFC v3 30/56] rtl8139: convert to memory API |
Date: |
Sun, 10 Jul 2011 21:14:43 +0300 |
Signed-off-by: Avi Kivity <address@hidden>
---
hw/rtl8139.c | 172 +++++++++++++++++-----------------------------------------
1 files changed, 51 insertions(+), 121 deletions(-)
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 5214b8c..fa661fc 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -474,7 +474,6 @@ typedef struct RTL8139State {
NICState *nic;
NICConf conf;
- int rtl8139_mmio_io_addr;
/* C ring mode */
uint32_t currTxDesc;
@@ -506,6 +505,9 @@ typedef struct RTL8139State {
QEMUTimer *timer;
int64_t TimerExpire;
+ MemoryRegion bar_io;
+ MemoryRegion bar_mem;
+
/* Support migration to/from old versions */
int rtl8139_mmio_io_addr_dummy;
} RTL8139State;
@@ -2705,12 +2707,8 @@ static uint32_t rtl8139_MultiIntr_read(RTL8139State *s)
return ret;
}
-static void rtl8139_io_writeb(void *opaque, uint8_t addr, uint32_t val)
+static void rtl8139_io_writeb(RTL8139State *s, uint8_t addr, uint32_t val)
{
- RTL8139State *s = opaque;
-
- addr &= 0xff;
-
switch (addr)
{
case MAC0 ... MAC0+5:
@@ -2792,10 +2790,8 @@ static void rtl8139_io_writeb(void *opaque, uint8_t
addr, uint32_t val)
}
}
-static void rtl8139_io_writew(void *opaque, uint8_t addr, uint32_t val)
+static void rtl8139_io_writew(RTL8139State *s, uint8_t addr, uint32_t val)
{
- RTL8139State *s = opaque;
-
addr &= 0xfe;
switch (addr)
@@ -2846,8 +2842,8 @@ static void rtl8139_io_writew(void *opaque, uint8_t addr,
uint32_t val)
DPRINTF("ioport write(w) addr=0x%x val=0x%04x via write(b)\n",
addr, val);
- rtl8139_io_writeb(opaque, addr, val & 0xff);
- rtl8139_io_writeb(opaque, addr + 1, (val >> 8) & 0xff);
+ rtl8139_io_writeb(s, addr, val & 0xff);
+ rtl8139_io_writeb(s, addr + 1, (val >> 8) & 0xff);
break;
}
}
@@ -2892,10 +2888,8 @@ static void rtl8139_set_next_tctr_time(RTL8139State *s,
int64_t current_time)
}
}
-static void rtl8139_io_writel(void *opaque, uint8_t addr, uint32_t val)
+static void rtl8139_io_writel(RTL8139State *s, uint8_t addr, uint32_t val)
{
- RTL8139State *s = opaque;
-
addr &= 0xfc;
switch (addr)
@@ -2952,21 +2946,18 @@ static void rtl8139_io_writel(void *opaque, uint8_t
addr, uint32_t val)
default:
DPRINTF("ioport write(l) addr=0x%x val=0x%08x via write(b)\n",
addr, val);
- rtl8139_io_writeb(opaque, addr, val & 0xff);
- rtl8139_io_writeb(opaque, addr + 1, (val >> 8) & 0xff);
- rtl8139_io_writeb(opaque, addr + 2, (val >> 16) & 0xff);
- rtl8139_io_writeb(opaque, addr + 3, (val >> 24) & 0xff);
+ rtl8139_io_writeb(s, addr, val & 0xff);
+ rtl8139_io_writeb(s, addr + 1, (val >> 8) & 0xff);
+ rtl8139_io_writeb(s, addr + 2, (val >> 16) & 0xff);
+ rtl8139_io_writeb(s, addr + 3, (val >> 24) & 0xff);
break;
}
}
-static uint32_t rtl8139_io_readb(void *opaque, uint8_t addr)
+static uint32_t rtl8139_io_readb(RTL8139State *s, uint8_t addr)
{
- RTL8139State *s = opaque;
int ret;
- addr &= 0xff;
-
switch (addr)
{
case MAC0 ... MAC0+5:
@@ -3034,9 +3025,8 @@ static uint32_t rtl8139_io_readb(void *opaque, uint8_t
addr)
return ret;
}
-static uint32_t rtl8139_io_readw(void *opaque, uint8_t addr)
+static uint32_t rtl8139_io_readw(RTL8139State *s, uint8_t addr)
{
- RTL8139State *s = opaque;
uint32_t ret;
addr &= 0xfe; /* mask lower bit */
@@ -3101,8 +3091,8 @@ static uint32_t rtl8139_io_readw(void *opaque, uint8_t
addr)
default:
DPRINTF("ioport read(w) addr=0x%x via read(b)\n", addr);
- ret = rtl8139_io_readb(opaque, addr);
- ret |= rtl8139_io_readb(opaque, addr + 1) << 8;
+ ret = rtl8139_io_readb(s, addr);
+ ret |= rtl8139_io_readb(s, addr + 1) << 8;
DPRINTF("ioport read(w) addr=0x%x val=0x%04x\n", addr, ret);
break;
@@ -3182,71 +3172,40 @@ static uint32_t rtl8139_io_readl(void *opaque, uint8_t
addr)
return ret;
}
-/* */
-
-static void rtl8139_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
-{
- rtl8139_io_writeb(opaque, addr & 0xFF, val);
-}
-
-static void rtl8139_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
-{
- rtl8139_io_writew(opaque, addr & 0xFF, val);
-}
-
-static void rtl8139_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
-{
- rtl8139_io_writel(opaque, addr & 0xFF, val);
-}
-
-static uint32_t rtl8139_ioport_readb(void *opaque, uint32_t addr)
+static uint64_t rtl8139_io_read(void *opaque,
+ target_phys_addr_t addr,
+ unsigned size)
{
- return rtl8139_io_readb(opaque, addr & 0xFF);
-}
-
-static uint32_t rtl8139_ioport_readw(void *opaque, uint32_t addr)
-{
- return rtl8139_io_readw(opaque, addr & 0xFF);
-}
-
-static uint32_t rtl8139_ioport_readl(void *opaque, uint32_t addr)
-{
- return rtl8139_io_readl(opaque, addr & 0xFF);
-}
-
-/* */
-
-static void rtl8139_mmio_writeb(void *opaque, target_phys_addr_t addr,
uint32_t val)
-{
- rtl8139_io_writeb(opaque, addr & 0xFF, val);
-}
-
-static void rtl8139_mmio_writew(void *opaque, target_phys_addr_t addr,
uint32_t val)
-{
- rtl8139_io_writew(opaque, addr & 0xFF, val);
-}
+ RTL8139State *s = opaque;
-static void rtl8139_mmio_writel(void *opaque, target_phys_addr_t addr,
uint32_t val)
-{
- rtl8139_io_writel(opaque, addr & 0xFF, val);
+ switch (size) {
+ case 1: return rtl8139_io_readb(s, addr);
+ case 2: return rtl8139_io_readw(s, addr);
+ case 4: return rtl8139_io_readl(s, addr);
+ default: abort();
+ }
}
-static uint32_t rtl8139_mmio_readb(void *opaque, target_phys_addr_t addr)
+static void rtl8139_io_write(void *opaque,
+ target_phys_addr_t addr,
+ uint64_t data,
+ unsigned size)
{
- return rtl8139_io_readb(opaque, addr & 0xFF);
-}
+ RTL8139State *s = opaque;
-static uint32_t rtl8139_mmio_readw(void *opaque, target_phys_addr_t addr)
-{
- uint32_t val = rtl8139_io_readw(opaque, addr & 0xFF);
- return val;
+ switch (size) {
+ case 1: return rtl8139_io_writeb(s, addr, data);
+ case 2: return rtl8139_io_writew(s, addr, data);
+ case 4: return rtl8139_io_writel(s, addr, data);
+ default: abort();
+ }
}
-static uint32_t rtl8139_mmio_readl(void *opaque, target_phys_addr_t addr)
-{
- uint32_t val = rtl8139_io_readl(opaque, addr & 0xFF);
- return val;
-}
+static MemoryRegionOps rtl8139_io_ops = {
+ .read = rtl8139_io_read,
+ .write = rtl8139_io_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
static int rtl8139_post_load(void *opaque, int version_id)
{
@@ -3283,7 +3242,7 @@ static void rtl8139_pre_save(void *opaque)
rtl8139_set_next_tctr_time(s, current_time);
s->TCTR = muldiv64(current_time - s->TCTR_base, PCI_FREQUENCY,
get_ticks_per_sec());
- s->rtl8139_mmio_io_addr_dummy = s->rtl8139_mmio_io_addr;
+ s->rtl8139_mmio_io_addr_dummy = 0;
}
static const VMStateDescription vmstate_rtl8139 = {
@@ -3379,33 +3338,6 @@ static const VMStateDescription vmstate_rtl8139 = {
/***********************************************************/
/* PCI RTL8139 definitions */
-static void rtl8139_ioport_map(PCIDevice *pci_dev, int region_num,
- pcibus_t addr, pcibus_t size, int type)
-{
- RTL8139State *s = DO_UPCAST(RTL8139State, dev, pci_dev);
-
- register_ioport_write(addr, 0x100, 1, rtl8139_ioport_writeb, s);
- register_ioport_read( addr, 0x100, 1, rtl8139_ioport_readb, s);
-
- register_ioport_write(addr, 0x100, 2, rtl8139_ioport_writew, s);
- register_ioport_read( addr, 0x100, 2, rtl8139_ioport_readw, s);
-
- register_ioport_write(addr, 0x100, 4, rtl8139_ioport_writel, s);
- register_ioport_read( addr, 0x100, 4, rtl8139_ioport_readl, s);
-}
-
-static CPUReadMemoryFunc * const rtl8139_mmio_read[3] = {
- rtl8139_mmio_readb,
- rtl8139_mmio_readw,
- rtl8139_mmio_readl,
-};
-
-static CPUWriteMemoryFunc * const rtl8139_mmio_write[3] = {
- rtl8139_mmio_writeb,
- rtl8139_mmio_writew,
- rtl8139_mmio_writel,
-};
-
static void rtl8139_timer(void *opaque)
{
RTL8139State *s = opaque;
@@ -3432,7 +3364,8 @@ static int pci_rtl8139_uninit(PCIDevice *dev)
{
RTL8139State *s = DO_UPCAST(RTL8139State, dev, dev);
- cpu_unregister_io_memory(s->rtl8139_mmio_io_addr);
+ memory_region_destroy(&s->bar_io);
+ memory_region_destroy(&s->bar_mem);
if (s->cplus_txbuffer) {
qemu_free(s->cplus_txbuffer);
s->cplus_txbuffer = NULL;
@@ -3462,15 +3395,12 @@ static int pci_rtl8139_init(PCIDevice *dev)
* list bit in status register, and offset 0xdc seems unused. */
pci_conf[PCI_CAPABILITY_LIST] = 0xdc;
- /* I/O handler for memory-mapped I/O */
- s->rtl8139_mmio_io_addr =
- cpu_register_io_memory(rtl8139_mmio_read, rtl8139_mmio_write, s,
- DEVICE_LITTLE_ENDIAN);
-
- pci_register_bar(&s->dev, 0, 0x100,
- PCI_BASE_ADDRESS_SPACE_IO, rtl8139_ioport_map);
-
- pci_register_bar_simple(&s->dev, 1, 0x100, 0, s->rtl8139_mmio_io_addr);
+ memory_region_init_io(&s->bar_io, &rtl8139_io_ops, s, "rtl8139", 0x100);
+ memory_region_init_io(&s->bar_mem, &rtl8139_io_ops, s, "rtl8139", 0x100);
+ pci_register_bar_region(&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO,
+ &s->bar_io);
+ pci_register_bar_region(&s->dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY,
+ &s->bar_mem);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
--
1.7.5.3
- [Qemu-devel] [RFC v3 50/56] xen-platform: convert to memory API, (continued)
- [Qemu-devel] [RFC v3 50/56] xen-platform: convert to memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 26/56] Integrate I/O memory regions into qemu, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 13/56] pc: move global memory map out of pc_init1() and into its callers, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 15/56] pci: add MemoryRegion based BAR management API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 28/56] pci: pass I/O address space to new PCI bus, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 09/56] exec.c: initialize memory map, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 37/56] ivshmem: convert to memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 38/56] virtio-pci: convert to memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 20/56] vga: convert vga and its derivatives to the memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 40/56] intel-hda: convert to memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 30/56] rtl8139: convert to memory API,
Avi Kivity <=
- [Qemu-devel] [RFC v3 55/56] pci: fold BAR mapping function into its caller, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 34/56] es1370: convert to memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 49/56] uhci: convert to memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 56/56] pci: rename pci_register_bar_region() to pci_register_bar(), Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 24/56] vga: simplify vga window mmio access functions, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 48/56] ehci: convert to memory API, Avi Kivity, 2011/07/10
- [Qemu-devel] [RFC v3 51/56] msix: convert to memory API, Avi Kivity, 2011/07/10