X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/87ecb68bdf8a3e40ef885ddbb7ca1797dca40ebf..e17ba87c52fc7d4ccfd5074428ce19f1b876ba30:/hw/ne2000.c

diff --git a/hw/ne2000.c b/hw/ne2000.c
index 92023eb714..78fe14fe1c 100644
--- a/hw/ne2000.c
+++ b/hw/ne2000.c
@@ -24,6 +24,8 @@
 #include "hw.h"
 #include "pci.h"
 #include "net.h"
+#include "ne2000.h"
+#include "loader.h"
 
 /* debug NE2000 card */
 //#define DEBUG_NE2000
@@ -115,42 +117,17 @@
 #define ENTSR_CDH 0x40	/* The collision detect "heartbeat" signal was lost. */
 #define ENTSR_OWC 0x80  /* There was an out-of-window collision. */
 
-#define NE2000_PMEM_SIZE    (32*1024)
-#define NE2000_PMEM_START   (16*1024)
-#define NE2000_PMEM_END     (NE2000_PMEM_SIZE+NE2000_PMEM_START)
-#define NE2000_MEM_SIZE     NE2000_PMEM_END
-
-typedef struct NE2000State {
-    uint8_t cmd;
-    uint32_t start;
-    uint32_t stop;
-    uint8_t boundary;
-    uint8_t tsr;
-    uint8_t tpsr;
-    uint16_t tcnt;
-    uint16_t rcnt;
-    uint32_t rsar;
-    uint8_t rsr;
-    uint8_t rxcr;
-    uint8_t isr;
-    uint8_t dcfg;
-    uint8_t imr;
-    uint8_t phys[6]; /* mac address */
-    uint8_t curpag;
-    uint8_t mult[8]; /* multicast mask array */
-    qemu_irq irq;
-    PCIDevice *pci_dev;
-    VLANClientState *vc;
-    uint8_t macaddr[6];
-    uint8_t mem[NE2000_MEM_SIZE];
-} NE2000State;
-
-static void ne2000_reset(NE2000State *s)
+typedef struct PCINE2000State {
+    PCIDevice dev;
+    NE2000State ne2000;
+} PCINE2000State;
+
+void ne2000_reset(NE2000State *s)
 {
     int i;
 
     s->isr = ENISR_RESET;
-    memcpy(s->mem, s->macaddr, 6);
+    memcpy(s->mem, &s->c.macaddr, 6);
     s->mem[14] = 0x57;
     s->mem[15] = 0x57;
 
@@ -211,9 +188,9 @@ static int ne2000_buffer_full(NE2000State *s)
     return 0;
 }
 
-static int ne2000_can_receive(void *opaque)
+int ne2000_can_receive(VLANClientState *nc)
 {
-    NE2000State *s = opaque;
+    NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
 
     if (s->cmd & E8390_STOP)
         return 1;
@@ -222,9 +199,10 @@ static int ne2000_can_receive(void *opaque)
 
 #define MIN_BUF_SIZE 60
 
-static void ne2000_receive(void *opaque, const uint8_t *buf, int size)
+ssize_t ne2000_receive(VLANClientState *nc, const uint8_t *buf, size_t size_)
 {
-    NE2000State *s = opaque;
+    NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    int size = size_;
     uint8_t *p;
     unsigned int total_len, next, avail, len, index, mcast_idx;
     uint8_t buf1[60];
@@ -236,7 +214,7 @@ static void ne2000_receive(void *opaque, const uint8_t *buf, int size)
 #endif
 
     if (s->cmd & E8390_STOP || ne2000_buffer_full(s))
-        return;
+        return -1;
 
     /* XXX: check this */
     if (s->rxcr & 0x10) {
@@ -245,14 +223,14 @@ static void ne2000_receive(void *opaque, const uint8_t *buf, int size)
         if (!memcmp(buf,  broadcast_macaddr, 6)) {
             /* broadcast address */
             if (!(s->rxcr & 0x04))
-                return;
+                return size;
         } else if (buf[0] & 0x01) {
             /* multicast */
             if (!(s->rxcr & 0x08))
-                return;
+                return size;
             mcast_idx = compute_mcast_idx(buf);
             if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7))))
-                return;
+                return size;
         } else if (s->mem[0] == buf[0] &&
                    s->mem[2] == buf[1] &&
                    s->mem[4] == buf[2] &&
@@ -261,7 +239,7 @@ static void ne2000_receive(void *opaque, const uint8_t *buf, int size)
                    s->mem[10] == buf[5]) {
             /* match */
         } else {
-            return;
+            return size;
         }
     }
 
@@ -314,9 +292,11 @@ static void ne2000_receive(void *opaque, const uint8_t *buf, int size)
     /* now we can signal we have received something */
     s->isr |= ENISR_RX;
     ne2000_update_irq(s);
+
+    return size_;
 }
 
-static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val)
 {
     NE2000State *s = opaque;
     int offset, page, index;
@@ -343,7 +323,7 @@ static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val)
                     index -= NE2000_PMEM_SIZE;
                 /* fail safe: check range on the transmitted length  */
                 if (index + s->tcnt <= NE2000_PMEM_END) {
-                    qemu_send_packet(s->vc, s->mem + index, s->tcnt);
+                    qemu_send_packet(&s->nic->nc, s->mem + index, s->tcnt);
                 }
                 /* signal end of transfer */
                 s->tsr = ENTSR_PTX;
@@ -413,7 +393,7 @@ static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val)
     }
 }
 
-static uint32_t ne2000_ioport_read(void *opaque, uint32_t addr)
+uint32_t ne2000_ioport_read(void *opaque, uint32_t addr)
 {
     NE2000State *s = opaque;
     int offset, page, ret;
@@ -563,7 +543,7 @@ static inline void ne2000_dma_update(NE2000State *s, int len)
     }
 }
 
-static void ne2000_asic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+void ne2000_asic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
 {
     NE2000State *s = opaque;
 
@@ -583,7 +563,7 @@ static void ne2000_asic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
     }
 }
 
-static uint32_t ne2000_asic_ioport_read(void *opaque, uint32_t addr)
+uint32_t ne2000_asic_ioport_read(void *opaque, uint32_t addr)
 {
     NE2000State *s = opaque;
     int ret;
@@ -631,142 +611,77 @@ static uint32_t ne2000_asic_ioport_readl(void *opaque, uint32_t addr)
     return ret;
 }
 
-static void ne2000_reset_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+void ne2000_reset_ioport_write(void *opaque, uint32_t addr, uint32_t val)
 {
     /* nothing to do (end of reset pulse) */
 }
 
-static uint32_t ne2000_reset_ioport_read(void *opaque, uint32_t addr)
+uint32_t ne2000_reset_ioport_read(void *opaque, uint32_t addr)
 {
     NE2000State *s = opaque;
     ne2000_reset(s);
     return 0;
 }
 
-static void ne2000_save(QEMUFile* f,void* opaque)
-{
-	NE2000State* s=(NE2000State*)opaque;
-        int tmp;
-
-        if (s->pci_dev)
-            pci_device_save(s->pci_dev, f);
-
-        qemu_put_8s(f, &s->rxcr);
-
-	qemu_put_8s(f, &s->cmd);
-	qemu_put_be32s(f, &s->start);
-	qemu_put_be32s(f, &s->stop);
-	qemu_put_8s(f, &s->boundary);
-	qemu_put_8s(f, &s->tsr);
-	qemu_put_8s(f, &s->tpsr);
-	qemu_put_be16s(f, &s->tcnt);
-	qemu_put_be16s(f, &s->rcnt);
-	qemu_put_be32s(f, &s->rsar);
-	qemu_put_8s(f, &s->rsr);
-	qemu_put_8s(f, &s->isr);
-	qemu_put_8s(f, &s->dcfg);
-	qemu_put_8s(f, &s->imr);
-	qemu_put_buffer(f, s->phys, 6);
-	qemu_put_8s(f, &s->curpag);
-	qemu_put_buffer(f, s->mult, 8);
-        tmp = 0;
-	qemu_put_be32s(f, &tmp); /* ignored, was irq */
-	qemu_put_buffer(f, s->mem, NE2000_MEM_SIZE);
-}
-
-static int ne2000_load(QEMUFile* f,void* opaque,int version_id)
+static int ne2000_post_load(void* opaque, int version_id)
 {
-	NE2000State* s=(NE2000State*)opaque;
-        int ret;
-        int tmp;
-
-        if (version_id > 3)
-            return -EINVAL;
-
-        if (s->pci_dev && version_id >= 3) {
-            ret = pci_device_load(s->pci_dev, f);
-            if (ret < 0)
-                return ret;
-        }
-
-        if (version_id >= 2) {
-            qemu_get_8s(f, &s->rxcr);
-        } else {
-            s->rxcr = 0x0c;
-        }
+    NE2000State* s = opaque;
 
-	qemu_get_8s(f, &s->cmd);
-	qemu_get_be32s(f, &s->start);
-	qemu_get_be32s(f, &s->stop);
-	qemu_get_8s(f, &s->boundary);
-	qemu_get_8s(f, &s->tsr);
-	qemu_get_8s(f, &s->tpsr);
-	qemu_get_be16s(f, &s->tcnt);
-	qemu_get_be16s(f, &s->rcnt);
-	qemu_get_be32s(f, &s->rsar);
-	qemu_get_8s(f, &s->rsr);
-	qemu_get_8s(f, &s->isr);
-	qemu_get_8s(f, &s->dcfg);
-	qemu_get_8s(f, &s->imr);
-	qemu_get_buffer(f, s->phys, 6);
-	qemu_get_8s(f, &s->curpag);
-	qemu_get_buffer(f, s->mult, 8);
-	qemu_get_be32s(f, &tmp); /* ignored */
-	qemu_get_buffer(f, s->mem, NE2000_MEM_SIZE);
-
-	return 0;
+    if (version_id < 2) {
+        s->rxcr = 0x0c;
+    }
+    return 0;
 }
 
-void isa_ne2000_init(int base, qemu_irq irq, NICInfo *nd)
-{
-    NE2000State *s;
-
-    s = qemu_mallocz(sizeof(NE2000State));
-    if (!s)
-        return;
-
-    register_ioport_write(base, 16, 1, ne2000_ioport_write, s);
-    register_ioport_read(base, 16, 1, ne2000_ioport_read, s);
-
-    register_ioport_write(base + 0x10, 1, 1, ne2000_asic_ioport_write, s);
-    register_ioport_read(base + 0x10, 1, 1, ne2000_asic_ioport_read, s);
-    register_ioport_write(base + 0x10, 2, 2, ne2000_asic_ioport_write, s);
-    register_ioport_read(base + 0x10, 2, 2, ne2000_asic_ioport_read, s);
-
-    register_ioport_write(base + 0x1f, 1, 1, ne2000_reset_ioport_write, s);
-    register_ioport_read(base + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
-    s->irq = irq;
-    memcpy(s->macaddr, nd->macaddr, 6);
-
-    ne2000_reset(s);
-
-    s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive,
-                                 ne2000_can_receive, s);
-
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "ne2000 macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-             s->macaddr[0],
-             s->macaddr[1],
-             s->macaddr[2],
-             s->macaddr[3],
-             s->macaddr[4],
-             s->macaddr[5]);
-
-    register_savevm("ne2000", 0, 2, ne2000_save, ne2000_load, s);
-}
+const VMStateDescription vmstate_ne2000 = {
+    .name = "ne2000",
+    .version_id = 2,
+    .minimum_version_id = 0,
+    .minimum_version_id_old = 0,
+    .post_load = ne2000_post_load,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT8_V(rxcr, NE2000State, 2),
+        VMSTATE_UINT8(cmd, NE2000State),
+        VMSTATE_UINT32(start, NE2000State),
+        VMSTATE_UINT32(stop, NE2000State),
+        VMSTATE_UINT8(boundary, NE2000State),
+        VMSTATE_UINT8(tsr, NE2000State),
+        VMSTATE_UINT8(tpsr, NE2000State),
+        VMSTATE_UINT16(tcnt, NE2000State),
+        VMSTATE_UINT16(rcnt, NE2000State),
+        VMSTATE_UINT32(rsar, NE2000State),
+        VMSTATE_UINT8(rsr, NE2000State),
+        VMSTATE_UINT8(isr, NE2000State),
+        VMSTATE_UINT8(dcfg, NE2000State),
+        VMSTATE_UINT8(imr, NE2000State),
+        VMSTATE_BUFFER(phys, NE2000State),
+        VMSTATE_UINT8(curpag, NE2000State),
+        VMSTATE_BUFFER(mult, NE2000State),
+        VMSTATE_UNUSED(4), /* was irq */
+        VMSTATE_BUFFER(mem, NE2000State),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const VMStateDescription vmstate_pci_ne2000 = {
+    .name = "ne2000",
+    .version_id = 3,
+    .minimum_version_id = 3,
+    .minimum_version_id_old = 3,
+    .fields      = (VMStateField []) {
+        VMSTATE_PCI_DEVICE(dev, PCINE2000State),
+        VMSTATE_STRUCT(ne2000, PCINE2000State, 0, vmstate_ne2000, NE2000State),
+        VMSTATE_END_OF_LIST()
+    }
+};
 
 /***********************************************************/
 /* PCI NE2000 definitions */
 
-typedef struct PCINE2000State {
-    PCIDevice dev;
-    NE2000State ne2000;
-} PCINE2000State;
-
 static void ne2000_map(PCIDevice *pci_dev, int region_num,
-                       uint32_t addr, uint32_t size, int type)
+                       pcibus_t addr, pcibus_t size, int type)
 {
-    PCINE2000State *d = (PCINE2000State *)pci_dev;
+    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
     NE2000State *s = &d->ne2000;
 
     register_ioport_write(addr, 16, 1, ne2000_ioport_write, s);
@@ -783,45 +698,82 @@ static void ne2000_map(PCIDevice *pci_dev, int region_num,
     register_ioport_read(addr + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
 }
 
-void pci_ne2000_init(PCIBus *bus, NICInfo *nd, int devfn)
+static void ne2000_cleanup(VLANClientState *nc)
 {
-    PCINE2000State *d;
+    NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+
+    s->nic = NULL;
+}
+
+static NetClientInfo net_ne2000_info = {
+    .type = NET_CLIENT_TYPE_NIC,
+    .size = sizeof(NICState),
+    .can_receive = ne2000_can_receive,
+    .receive = ne2000_receive,
+    .cleanup = ne2000_cleanup,
+};
+
+static int pci_ne2000_init(PCIDevice *pci_dev)
+{
+    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
     NE2000State *s;
     uint8_t *pci_conf;
 
-    d = (PCINE2000State *)pci_register_device(bus,
-                                              "NE2000", sizeof(PCINE2000State),
-                                              devfn,
-                                              NULL, NULL);
     pci_conf = d->dev.config;
-    pci_conf[0x00] = 0xec; // Realtek 8029
-    pci_conf[0x01] = 0x10;
-    pci_conf[0x02] = 0x29;
-    pci_conf[0x03] = 0x80;
-    pci_conf[0x0a] = 0x00; // ethernet network controller
-    pci_conf[0x0b] = 0x02;
-    pci_conf[0x0e] = 0x00; // header_type
-    pci_conf[0x3d] = 1; // interrupt pin 0
-
-    pci_register_io_region(&d->dev, 0, 0x100,
-                           PCI_ADDRESS_SPACE_IO, ne2000_map);
+    pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REALTEK);
+    pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REALTEK_8029);
+    pci_config_set_class(pci_conf, PCI_CLASS_NETWORK_ETHERNET);
+    pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
+    /* TODO: RST# value should be 0. PCI spec 6.2.4 */
+    pci_conf[PCI_INTERRUPT_PIN] = 1; // interrupt pin 0
+
+    pci_register_bar(&d->dev, 0, 0x100,
+                           PCI_BASE_ADDRESS_SPACE_IO, ne2000_map);
     s = &d->ne2000;
     s->irq = d->dev.irq[0];
-    s->pci_dev = (PCIDevice *)d;
-    memcpy(s->macaddr, nd->macaddr, 6);
+
+    qemu_macaddr_default_if_unset(&s->c.macaddr);
     ne2000_reset(s);
-    s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive,
-                                 ne2000_can_receive, s);
-
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "ne2000 pci macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-             s->macaddr[0],
-             s->macaddr[1],
-             s->macaddr[2],
-             s->macaddr[3],
-             s->macaddr[4],
-             s->macaddr[5]);
-
-    /* XXX: instance number ? */
-    register_savevm("ne2000", 0, 3, ne2000_save, ne2000_load, s);
+
+    s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
+                          pci_dev->qdev.info->name, pci_dev->qdev.id, s);
+    qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
+
+    if (!pci_dev->qdev.hotplugged) {
+        static int loaded = 0;
+        if (!loaded) {
+            rom_add_option("pxe-ne2k_pci.bin");
+            loaded = 1;
+        }
+    }
+
+    return 0;
+}
+
+static int pci_ne2000_exit(PCIDevice *pci_dev)
+{
+    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
+    NE2000State *s = &d->ne2000;
+
+    qemu_del_vlan_client(&s->nic->nc);
+    return 0;
+}
+
+static PCIDeviceInfo ne2000_info = {
+    .qdev.name  = "ne2k_pci",
+    .qdev.size  = sizeof(PCINE2000State),
+    .qdev.vmsd  = &vmstate_pci_ne2000,
+    .init       = pci_ne2000_init,
+    .exit       = pci_ne2000_exit,
+    .qdev.props = (Property[]) {
+        DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
+        DEFINE_PROP_END_OF_LIST(),
+    }
+};
+
+static void ne2000_register_devices(void)
+{
+    pci_qdev_register(&ne2000_info);
 }
+
+device_init(ne2000_register_devices)