]> Git Repo - qemu.git/blobdiff - hw/etraxfs_eth.c
vmstate: port cuda
[qemu.git] / hw / etraxfs_eth.c
index 51a129abe9af53e1b337e967015bdb69b4eeea13..6aa4007203d1d3a0fbf072e648627e5f5919234d 100644 (file)
@@ -25,8 +25,7 @@
 #include <stdio.h>
 #include "hw.h"
 #include "net.h"
-
-#include "etraxfs_dma.h"
+#include "etraxfs.h"
 
 #define D(x)
 
@@ -45,6 +44,8 @@ struct qemu_phy
 {
        uint32_t regs[32];
 
+       int link;
+
        unsigned int (*read)(struct qemu_phy *phy, unsigned int req);
        void (*write)(struct qemu_phy *phy, unsigned int req, 
                      unsigned int data);
@@ -59,13 +60,15 @@ static unsigned int tdk_read(struct qemu_phy *phy, unsigned int req)
 
        switch (regnum) {
                case 1:
+                       if (!phy->link)
+                               break;
                        /* MR1.  */
                        /* Speeds and modes.  */
                        r |= (1 << 13) | (1 << 14);
                        r |= (1 << 11) | (1 << 12);
                        r |= (1 << 5); /* Autoneg complete.  */
                        r |= (1 << 3); /* Autoneg able.  */
-                       r |= (1 << 2); /* Link.  */
+                       r |= (1 << 2); /* link.  */
                        break;
                case 5:
                        /* Link partner ability.
@@ -83,6 +86,9 @@ static unsigned int tdk_read(struct qemu_phy *phy, unsigned int req)
                        int duplex = 0;
                        int speed_100 = 0;
 
+                       if (!phy->link)
+                               break;
+
                        /* Are we advertising 100 half or 100 duplex ? */
                        speed_100 = !!(phy->regs[4] & ADVERTISE_100HALF);
                        speed_100 |= !!(phy->regs[4] & ADVERTISE_100FULL);
@@ -125,6 +131,7 @@ tdk_init(struct qemu_phy *phy)
        phy->regs[3] = 0xe400;
        /* Autonegotiation advertisement reg.  */
        phy->regs[4] = 0x01E1;
+       phy->link = 1;
 
        phy->read = tdk_read;
        phy->write = tdk_write;
@@ -297,24 +304,23 @@ static void mdio_cycle(struct qemu_mdio *bus)
 /* ETRAX-FS Ethernet MAC block starts here.  */
 
 #define RW_MA0_LO        0x00
-#define RW_MA0_HI        0x04
-#define RW_MA1_LO        0x08
-#define RW_MA1_HI        0x0c
-#define RW_GA_LO         0x10
-#define RW_GA_HI         0x14
-#define RW_GEN_CTRL      0x18
-#define RW_REC_CTRL      0x1c
-#define RW_TR_CTRL       0x20
-#define RW_CLR_ERR       0x24
-#define RW_MGM_CTRL      0x28
-#define R_STAT           0x2c
-#define FS_ETH_MAX_REGS          0x5c
+#define RW_MA0_HI        0x01
+#define RW_MA1_LO        0x02
+#define RW_MA1_HI        0x03
+#define RW_GA_LO         0x04
+#define RW_GA_HI         0x05
+#define RW_GEN_CTRL      0x06
+#define RW_REC_CTRL      0x07
+#define RW_TR_CTRL       0x08
+#define RW_CLR_ERR       0x09
+#define RW_MGM_CTRL      0x0a
+#define R_STAT           0x0b
+#define FS_ETH_MAX_REGS          0x17
 
 struct fs_eth
 {
-       CPUState *env;
-       qemu_irq *irq;
-       VLANClientState *vc;
+       NICState *nic;
+       NICConf conf;
        int ethregs;
 
        /* Two addrs in the filter.  */
@@ -360,42 +366,25 @@ static void eth_validate_duplex(struct fs_eth *eth)
        }
 }
 
-static uint32_t eth_rinvalid (void *opaque, target_phys_addr_t addr)
-{
-       struct fs_eth *eth = opaque;
-       CPUState *env = eth->env;
-       cpu_abort(env, "Unsupported short access. reg=" TARGET_FMT_plx "\n",
-                 addr);
-       return 0;
-}
-
 static uint32_t eth_readl (void *opaque, target_phys_addr_t addr)
 {
        struct fs_eth *eth = opaque;
        uint32_t r = 0;
 
+       addr >>= 2;
+
        switch (addr) {
                case R_STAT:
-                       /* Attach an MDIO/PHY abstraction.  */
                        r = eth->mdio_bus.mdio & 1;
                        break;
        default:
                r = eth->regs[addr];
-               D(printf ("%s %x\n", __func__, addr));
+               D(printf ("%s %x\n", __func__, addr * 4));
                break;
        }
        return r;
 }
 
-static void
-eth_winvalid (void *opaque, target_phys_addr_t addr, uint32_t value)
-{
-       struct fs_eth *eth = opaque;
-       CPUState *env = eth->env;
-       cpu_abort(env, "Unsupported short access. reg=" TARGET_FMT_plx "\n",
-                 addr);
-}
-
 static void eth_update_ma(struct fs_eth *eth, int ma)
 {
        int reg;
@@ -411,8 +400,8 @@ static void eth_update_ma(struct fs_eth *eth, int ma)
        eth->macaddr[ma][i++] = eth->regs[reg] >> 8;
        eth->macaddr[ma][i++] = eth->regs[reg] >> 16;
        eth->macaddr[ma][i++] = eth->regs[reg] >> 24;
-       eth->macaddr[ma][i++] = eth->regs[reg + 4];
-       eth->macaddr[ma][i++] = eth->regs[reg + 4] >> 8;
+       eth->macaddr[ma][i++] = eth->regs[reg + 1];
+       eth->macaddr[ma][i] = eth->regs[reg + 1] >> 8;
 
        D(printf("set mac%d=%x.%x.%x.%x.%x.%x\n", ma,
                 eth->macaddr[ma][0], eth->macaddr[ma][1],
@@ -425,20 +414,15 @@ eth_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
 {
        struct fs_eth *eth = opaque;
 
+       addr >>= 2;
        switch (addr)
        {
                case RW_MA0_LO:
-                       eth->regs[addr] = value;
-                       eth_update_ma(eth, 0);
-                       break;
                case RW_MA0_HI:
                        eth->regs[addr] = value;
                        eth_update_ma(eth, 0);
                        break;
                case RW_MA1_LO:
-                       eth->regs[addr] = value;
-                       eth_update_ma(eth, 1);
-                       break;
                case RW_MA1_HI:
                        eth->regs[addr] = value;
                        eth_update_ma(eth, 1);
@@ -453,6 +437,7 @@ eth_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
                                eth_validate_duplex(eth);
                        }
                        eth->mdio_bus.mdc = !!(value & 4);
+                       eth->regs[addr] = value;
                        break;
 
                case RW_REC_CTRL:
@@ -479,7 +464,7 @@ static int eth_match_groupaddr(struct fs_eth *eth, const unsigned char *sa)
 
        /* First bit on the wire of a MAC address signals multicast or
           physical address.  */
-       if (!m_individual && !sa[0] & 1)
+       if (!m_individual && !(sa[0] & 1))
                return 0;
 
        /* Calculate the hash index for the GA registers. */
@@ -512,21 +497,21 @@ static int eth_match_groupaddr(struct fs_eth *eth, const unsigned char *sa)
        return match;
 }
 
-static int eth_can_receive(void *opaque)
+static int eth_can_receive(VLANClientState *nc)
 {
        return 1;
 }
 
-static void eth_receive(void *opaque, const uint8_t *buf, int size)
+static ssize_t eth_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
 {
        unsigned char sa_bcast[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-       struct fs_eth *eth = opaque;
+       struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
        int use_ma0 = eth->regs[RW_REC_CTRL] & 1;
        int use_ma1 = eth->regs[RW_REC_CTRL] & 2;
        int r_bcast = eth->regs[RW_REC_CTRL] & 8;
 
        if (size < 12)
-               return;
+               return -1;
 
        D(printf("%x.%x.%x.%x.%x.%x ma=%d %d bc=%d\n",
                 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5],
@@ -537,10 +522,12 @@ static void eth_receive(void *opaque, const uint8_t *buf, int size)
            && (!use_ma1 || memcmp(buf, eth->macaddr[1], 6))
            && (!r_bcast || memcmp(buf, sa_bcast, 6))
            && !eth_match_groupaddr(eth, buf))
-               return;
+               return size;
 
        /* FIXME: Find another way to pass on the fake csum.  */
        etraxfs_dmac_input(eth->dma_in, (void *)buf, size + 4, 1);
+
+        return size;
 }
 
 static int eth_tx_push(void *opaque, unsigned char *buf, int len)
@@ -548,60 +535,79 @@ static int eth_tx_push(void *opaque, unsigned char *buf, int len)
        struct fs_eth *eth = opaque;
 
        D(printf("%s buf=%p len=%d\n", __func__, buf, len));
-       qemu_send_packet(eth->vc, buf, len);
+       qemu_send_packet(&eth->nic->nc, buf, len);
        return len;
 }
 
-static CPUReadMemoryFunc *eth_read[] = {
-       &eth_rinvalid,
-       &eth_rinvalid,
+static void eth_set_link(VLANClientState *nc)
+{
+       struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
+       D(printf("%s %d\n", __func__, nc->link_down));
+       eth->phy.link = !nc->link_down;
+}
+
+static CPUReadMemoryFunc * const eth_read[] = {
+       NULL, NULL,
        &eth_readl,
 };
 
-static CPUWriteMemoryFunc *eth_write[] = {
-       &eth_winvalid,
-       &eth_winvalid,
+static CPUWriteMemoryFunc * const eth_write[] = {
+       NULL, NULL,
        &eth_writel,
 };
 
-void *etraxfs_eth_init(NICInfo *nd, CPUState *env, 
-                      qemu_irq *irq, target_phys_addr_t base)
+static void eth_cleanup(VLANClientState *nc)
+{
+       struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
+
+        cpu_unregister_io_memory(eth->ethregs);
+
+        qemu_free(eth->dma_out);
+        qemu_free(eth);
+}
+
+static NetClientInfo net_etraxfs_info = {
+       .type = NET_CLIENT_TYPE_NIC,
+       .size = sizeof(NICState),
+       .can_receive = eth_can_receive,
+       .receive = eth_receive,
+       .cleanup = eth_cleanup,
+       .link_status_changed = eth_set_link,
+};
+
+void *etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr)
 {
        struct etraxfs_dma_client *dma = NULL;  
        struct fs_eth *eth = NULL;
 
-       dma = qemu_mallocz(sizeof *dma * 2);
-       if (!dma)
-               return NULL;
+       qemu_check_nic_model(nd, "fseth");
 
+       dma = qemu_mallocz(sizeof *dma * 2);
        eth = qemu_mallocz(sizeof *eth);
-       if (!eth)
-               goto err;
 
        dma[0].client.push = eth_tx_push;
        dma[0].client.opaque = eth;
        dma[1].client.opaque = eth;
        dma[1].client.pull = NULL;
 
-       eth->env = env;
-       eth->irq = irq;
        eth->dma_out = dma;
        eth->dma_in = dma + 1;
 
        /* Connect the phy.  */
-       eth->phyaddr = 1;
+       eth->phyaddr = phyaddr & 0x1f;
        tdk_init(&eth->phy);
        mdio_attach(&eth->mdio_bus, &eth->phy, eth->phyaddr);
 
-       eth->ethregs = cpu_register_io_memory(0, eth_read, eth_write, eth);
+       eth->ethregs = cpu_register_io_memory(eth_read, eth_write, eth,
+                                              DEVICE_NATIVE_ENDIAN);
        cpu_register_physical_memory (base, 0x5c, eth->ethregs);
 
-       eth->vc = qemu_new_vlan_client(nd->vlan, 
-                                      eth_receive, eth_can_receive, eth);
+       memcpy(eth->conf.macaddr.a, nd->macaddr, sizeof(nd->macaddr));
+       eth->conf.vlan = nd->vlan;
+       eth->conf.peer = nd->netdev;
+
+       eth->nic = qemu_new_nic(&net_etraxfs_info, &eth->conf,
+                               nd->model, nd->name, eth);
 
        return dma;
-  err:
-       qemu_free(eth);
-       qemu_free(dma);
-       return NULL;
 }
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