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Diffstat (limited to 'hw/rtl8139.c')
-rw-r--r--hw/rtl8139.c137
1 files changed, 74 insertions, 63 deletions
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 844f1b8c3f..3e080621f6 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -52,13 +52,13 @@
#include <zlib.h>
#include "hw.h"
-#include "pci.h"
-#include "dma.h"
-#include "qemu-timer.h"
-#include "net.h"
+#include "pci/pci.h"
+#include "sysemu/dma.h"
+#include "qemu/timer.h"
+#include "net/net.h"
#include "loader.h"
-#include "sysemu.h"
-#include "iov.h"
+#include "sysemu/sysemu.h"
+#include "qemu/iov.h"
/* debug RTL8139 card */
//#define DEBUG_RTL8139 1
@@ -167,7 +167,7 @@ enum IntrStatusBits {
PCIErr = 0x8000,
PCSTimeout = 0x4000,
RxFIFOOver = 0x40,
- RxUnderrun = 0x20,
+ RxUnderrun = 0x20, /* Packet Underrun / Link Change */
RxOverflow = 0x10,
TxErr = 0x08,
TxOK = 0x04,
@@ -774,11 +774,7 @@ static void rtl8139_write_buffer(RTL8139State *s, const void *buf, int size)
#define MIN_BUF_SIZE 60
static inline dma_addr_t rtl8139_addr64(uint32_t low, uint32_t high)
{
-#if TARGET_PHYS_ADDR_BITS > 32
- return low | ((target_phys_addr_t)high << 32);
-#else
- return low;
-#endif
+ return low | ((uint64_t)high << 32);
}
/* Workaround for buggy guest driver such as linux who allocates rx
@@ -1262,7 +1258,8 @@ static void rtl8139_reset(DeviceState *d)
s->BasicModeStatus = 0x7809;
//s->BasicModeStatus |= 0x0040; /* UTP medium */
s->BasicModeStatus |= 0x0020; /* autonegotiation completed */
- s->BasicModeStatus |= 0x0004; /* link is up */
+ /* preserve link state */
+ s->BasicModeStatus |= s->nic->nc.link_down ? 0 : 0x04;
s->NWayAdvert = 0x05e1; /* all modes, full duplex */
s->NWayLPAR = 0x05e1; /* all modes, full duplex */
@@ -2459,7 +2456,7 @@ static void rtl8139_TxStatus_write(RTL8139State *s, uint32_t txRegOffset, uint32
if (descriptor == 0 && (val & 0x8))
{
- target_phys_addr_t tc_addr = rtl8139_addr64(s->TxStatus[0] & ~0x3f, s->TxStatus[1]);
+ hwaddr tc_addr = rtl8139_addr64(s->TxStatus[0] & ~0x3f, s->TxStatus[1]);
/* dump tally counters to specified memory location */
RTL8139TallyCounters_dma_write(s, tc_addr);
@@ -3007,7 +3004,8 @@ static uint32_t rtl8139_io_readb(void *opaque, uint8_t addr)
break;
case MediaStatus:
- ret = 0xd0;
+ /* The LinkDown bit of MediaStatus is inverse with link status */
+ ret = 0xd0 | (~s->BasicModeStatus & 0x04);
DPRINTF("MediaStatus read 0x%x\n", ret);
break;
@@ -3190,65 +3188,33 @@ static uint32_t rtl8139_io_readl(void *opaque, uint8_t addr)
/* */
-static void rtl8139_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
+static void rtl8139_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
{
rtl8139_io_writeb(opaque, addr & 0xFF, val);
}
-static void rtl8139_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
+static void rtl8139_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
{
rtl8139_io_writew(opaque, addr & 0xFF, val);
}
-static void rtl8139_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
+static void rtl8139_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
{
rtl8139_io_writel(opaque, addr & 0xFF, val);
}
-static uint32_t rtl8139_ioport_readb(void *opaque, uint32_t addr)
+static uint32_t rtl8139_mmio_readb(void *opaque, hwaddr addr)
{
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);
-}
-
-static void rtl8139_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- rtl8139_io_writel(opaque, addr & 0xFF, val);
-}
-
-static uint32_t rtl8139_mmio_readb(void *opaque, target_phys_addr_t addr)
-{
- return rtl8139_io_readb(opaque, addr & 0xFF);
-}
-
-static uint32_t rtl8139_mmio_readw(void *opaque, target_phys_addr_t addr)
+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, target_phys_addr_t addr)
+static uint32_t rtl8139_mmio_readl(void *opaque, hwaddr addr)
{
uint32_t val = rtl8139_io_readl(opaque, addr & 0xFF);
return val;
@@ -3262,6 +3228,10 @@ static int rtl8139_post_load(void *opaque, int version_id)
s->cplus_enabled = s->CpCmd != 0;
}
+ /* nc.link_down can't be migrated, so infer link_down according
+ * to link status bit in BasicModeStatus */
+ s->nic->nc.link_down = (s->BasicModeStatus & 0x04) == 0;
+
return 0;
}
@@ -3385,18 +3355,44 @@ static const VMStateDescription vmstate_rtl8139 = {
/***********************************************************/
/* PCI RTL8139 definitions */
-static const MemoryRegionPortio rtl8139_portio[] = {
- { 0, 0x100, 1, .read = rtl8139_ioport_readb, },
- { 0, 0x100, 1, .write = rtl8139_ioport_writeb, },
- { 0, 0x100, 2, .read = rtl8139_ioport_readw, },
- { 0, 0x100, 2, .write = rtl8139_ioport_writew, },
- { 0, 0x100, 4, .read = rtl8139_ioport_readl, },
- { 0, 0x100, 4, .write = rtl8139_ioport_writel, },
- PORTIO_END_OF_LIST()
-};
+static void rtl8139_ioport_write(void *opaque, hwaddr addr,
+ uint64_t val, unsigned size)
+{
+ switch (size) {
+ case 1:
+ rtl8139_io_writeb(opaque, addr, val);
+ break;
+ case 2:
+ rtl8139_io_writew(opaque, addr, val);
+ break;
+ case 4:
+ rtl8139_io_writel(opaque, addr, val);
+ break;
+ }
+}
+
+static uint64_t rtl8139_ioport_read(void *opaque, hwaddr addr,
+ unsigned size)
+{
+ switch (size) {
+ case 1:
+ return rtl8139_io_readb(opaque, addr);
+ case 2:
+ return rtl8139_io_readw(opaque, addr);
+ case 4:
+ return rtl8139_io_readl(opaque, addr);
+ }
+
+ return -1;
+}
static const MemoryRegionOps rtl8139_io_ops = {
- .old_portio = rtl8139_portio,
+ .read = rtl8139_ioport_read,
+ .write = rtl8139_ioport_write,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 4,
+ },
.endianness = DEVICE_LITTLE_ENDIAN,
};
@@ -3453,12 +3449,27 @@ static void pci_rtl8139_uninit(PCIDevice *dev)
qemu_del_net_client(&s->nic->nc);
}
+static void rtl8139_set_link_status(NetClientState *nc)
+{
+ RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+
+ if (nc->link_down) {
+ s->BasicModeStatus &= ~0x04;
+ } else {
+ s->BasicModeStatus |= 0x04;
+ }
+
+ s->IntrStatus |= RxUnderrun;
+ rtl8139_update_irq(s);
+}
+
static NetClientInfo net_rtl8139_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
.can_receive = rtl8139_can_receive,
.receive = rtl8139_receive,
.cleanup = rtl8139_cleanup,
+ .link_status_changed = rtl8139_set_link_status,
};
static int pci_rtl8139_init(PCIDevice *dev)
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 10:24:31 +0000