This allows the device to work properly with an emulated IOMMU.
Signed-off-by: Eduard - Gabriel Munteanu eduard.munteanu@linux360.ro --- hw/eepro100.c | 97 +++++++++++++++++++++++++++++++++----------------------- 1 files changed, 57 insertions(+), 40 deletions(-)
diff --git a/hw/eepro100.c b/hw/eepro100.c index edf48f6..58defcf 100644 --- a/hw/eepro100.c +++ b/hw/eepro100.c @@ -308,10 +308,12 @@ static const uint16_t eepro100_mdi_mask[] = { };
/* XXX: optimize */ -static void stl_le_phys(target_phys_addr_t addr, uint32_t val) +static void stl_le_phys(EEPRO100State * s, pcibus_t addr, uint32_t val) { + DMADevice *dma = &s->dev.dma; + val = cpu_to_le32(val); - cpu_physical_memory_write(addr, (const uint8_t *)&val, sizeof(val)); + dma_memory_write(dma, addr, (const uint8_t *)&val, sizeof(val)); }
#define POLYNOMIAL 0x04c11db6 @@ -689,17 +691,19 @@ static void set_ru_state(EEPRO100State * s, ru_state_t state)
static void dump_statistics(EEPRO100State * s) { + DMADevice *dma = &s->dev.dma; + /* Dump statistical data. Most data is never changed by the emulation * and always 0, so we first just copy the whole block and then those * values which really matter. * Number of data should check configuration!!! */ - cpu_physical_memory_write(s->statsaddr, - (uint8_t *) & s->statistics, s->stats_size); - stl_le_phys(s->statsaddr + 0, s->statistics.tx_good_frames); - stl_le_phys(s->statsaddr + 36, s->statistics.rx_good_frames); - stl_le_phys(s->statsaddr + 48, s->statistics.rx_resource_errors); - stl_le_phys(s->statsaddr + 60, s->statistics.rx_short_frame_errors); + dma_memory_write(dma, s->statsaddr, + (uint8_t *) & s->statistics, s->stats_size); + stl_le_phys(s, s->statsaddr + 0, s->statistics.tx_good_frames); + stl_le_phys(s, s->statsaddr + 36, s->statistics.rx_good_frames); + stl_le_phys(s, s->statsaddr + 48, s->statistics.rx_resource_errors); + stl_le_phys(s, s->statsaddr + 60, s->statistics.rx_short_frame_errors); #if 0 stw_le_phys(s->statsaddr + 76, s->statistics.xmt_tco_frames); stw_le_phys(s->statsaddr + 78, s->statistics.rcv_tco_frames); @@ -709,7 +713,9 @@ static void dump_statistics(EEPRO100State * s)
static void read_cb(EEPRO100State *s) { - cpu_physical_memory_read(s->cb_address, (uint8_t *) &s->tx, sizeof(s->tx)); + DMADevice *dma = &s->dev.dma; + + dma_memory_read(dma, s->cb_address, (uint8_t *) &s->tx, sizeof(s->tx)); s->tx.status = le16_to_cpu(s->tx.status); s->tx.command = le16_to_cpu(s->tx.command); s->tx.link = le32_to_cpu(s->tx.link); @@ -719,6 +725,7 @@ static void read_cb(EEPRO100State *s)
static void tx_command(EEPRO100State *s) { + DMADevice *dma = &s->dev.dma; uint32_t tbd_array = le32_to_cpu(s->tx.tbd_array_addr); uint16_t tcb_bytes = (le16_to_cpu(s->tx.tcb_bytes) & 0x3fff); /* Sends larger than MAX_ETH_FRAME_SIZE are allowed, up to 2600 bytes. */ @@ -739,18 +746,18 @@ static void tx_command(EEPRO100State *s) } assert(tcb_bytes <= sizeof(buf)); while (size < tcb_bytes) { - uint32_t tx_buffer_address = ldl_phys(tbd_address); - uint16_t tx_buffer_size = lduw_phys(tbd_address + 4); + uint32_t tx_buffer_address = dma_ldl(dma, tbd_address); + uint16_t tx_buffer_size = dma_lduw(dma, tbd_address + 4); #if 0 - uint16_t tx_buffer_el = lduw_phys(tbd_address + 6); + uint16_t tx_buffer_el = dma_lduw(dma, tbd_address + 6); #endif tbd_address += 8; TRACE(RXTX, logout ("TBD (simplified mode): buffer address 0x%08x, size 0x%04x\n", tx_buffer_address, tx_buffer_size)); tx_buffer_size = MIN(tx_buffer_size, sizeof(buf) - size); - cpu_physical_memory_read(tx_buffer_address, &buf[size], - tx_buffer_size); + dma_memory_read(dma, + tx_buffer_address, &buf[size], tx_buffer_size); size += tx_buffer_size; } if (tbd_array == 0xffffffff) { @@ -761,16 +768,16 @@ static void tx_command(EEPRO100State *s) if (s->has_extended_tcb_support && !(s->configuration[6] & BIT(4))) { /* Extended Flexible TCB. */ for (; tbd_count < 2; tbd_count++) { - uint32_t tx_buffer_address = ldl_phys(tbd_address); - uint16_t tx_buffer_size = lduw_phys(tbd_address + 4); - uint16_t tx_buffer_el = lduw_phys(tbd_address + 6); + uint32_t tx_buffer_address = dma_ldl(dma, tbd_address); + uint16_t tx_buffer_size = dma_lduw(dma, tbd_address + 4); + uint16_t tx_buffer_el = dma_lduw(dma, tbd_address + 6); tbd_address += 8; TRACE(RXTX, logout ("TBD (extended flexible mode): buffer address 0x%08x, size 0x%04x\n", tx_buffer_address, tx_buffer_size)); tx_buffer_size = MIN(tx_buffer_size, sizeof(buf) - size); - cpu_physical_memory_read(tx_buffer_address, &buf[size], - tx_buffer_size); + dma_memory_read(dma, + tx_buffer_address, &buf[size], tx_buffer_size); size += tx_buffer_size; if (tx_buffer_el & 1) { break; @@ -779,16 +786,16 @@ static void tx_command(EEPRO100State *s) } tbd_address = tbd_array; for (; tbd_count < s->tx.tbd_count; tbd_count++) { - uint32_t tx_buffer_address = ldl_phys(tbd_address); - uint16_t tx_buffer_size = lduw_phys(tbd_address + 4); - uint16_t tx_buffer_el = lduw_phys(tbd_address + 6); + uint32_t tx_buffer_address = dma_ldl(dma, tbd_address); + uint16_t tx_buffer_size = dma_lduw(dma, tbd_address + 4); + uint16_t tx_buffer_el = dma_lduw(dma, tbd_address + 6); tbd_address += 8; TRACE(RXTX, logout ("TBD (flexible mode): buffer address 0x%08x, size 0x%04x\n", tx_buffer_address, tx_buffer_size)); tx_buffer_size = MIN(tx_buffer_size, sizeof(buf) - size); - cpu_physical_memory_read(tx_buffer_address, &buf[size], - tx_buffer_size); + dma_memory_read(dma, + tx_buffer_address, &buf[size], tx_buffer_size); size += tx_buffer_size; if (tx_buffer_el & 1) { break; @@ -807,13 +814,14 @@ static void tx_command(EEPRO100State *s)
static void set_multicast_list(EEPRO100State *s) { + DMADevice *dma = &s->dev.dma; uint16_t multicast_count = s->tx.tbd_array_addr & BITS(13, 0); uint16_t i; memset(&s->mult[0], 0, sizeof(s->mult)); TRACE(OTHER, logout("multicast list, multicast count = %u\n", multicast_count)); for (i = 0; i < multicast_count; i += 6) { uint8_t multicast_addr[6]; - cpu_physical_memory_read(s->cb_address + 10 + i, multicast_addr, 6); + dma_memory_read(dma, s->cb_address + 10 + i, multicast_addr, 6); TRACE(OTHER, logout("multicast entry %s\n", nic_dump(multicast_addr, 6))); unsigned mcast_idx = compute_mcast_idx(multicast_addr); assert(mcast_idx < 64); @@ -823,6 +831,8 @@ static void set_multicast_list(EEPRO100State *s)
static void action_command(EEPRO100State *s) { + DMADevice *dma = &s->dev.dma; + for (;;) { bool bit_el; bool bit_s; @@ -847,12 +857,14 @@ static void action_command(EEPRO100State *s) /* Do nothing. */ break; case CmdIASetup: - cpu_physical_memory_read(s->cb_address + 8, &s->conf.macaddr.a[0], 6); + dma_memory_read(dma, + s->cb_address + 8, &s->conf.macaddr.a[0], 6); TRACE(OTHER, logout("macaddr: %s\n", nic_dump(&s->conf.macaddr.a[0], 6))); break; case CmdConfigure: - cpu_physical_memory_read(s->cb_address + 8, &s->configuration[0], - sizeof(s->configuration)); + dma_memory_read(dma, + s->cb_address + 8, + &s->configuration[0], sizeof(s->configuration)); TRACE(OTHER, logout("configuration: %s\n", nic_dump(&s->configuration[0], 16))); TRACE(OTHER, logout("configuration: %s\n", @@ -889,7 +901,7 @@ static void action_command(EEPRO100State *s) break; } /* Write new status. */ - stw_phys(s->cb_address, s->tx.status | ok_status | STATUS_C); + dma_stw(dma, s->cb_address, s->tx.status | ok_status | STATUS_C); if (bit_i) { /* CU completed action. */ eepro100_cx_interrupt(s); @@ -956,7 +968,7 @@ static void eepro100_cu_command(EEPRO100State * s, uint8_t val) /* Dump statistical counters. */ TRACE(OTHER, logout("val=0x%02x (dump stats)\n", val)); dump_statistics(s); - stl_le_phys(s->statsaddr + s->stats_size, 0xa005); + stl_le_phys(s, s->statsaddr + s->stats_size, 0xa005); break; case CU_CMD_BASE: /* Load CU base. */ @@ -967,7 +979,7 @@ static void eepro100_cu_command(EEPRO100State * s, uint8_t val) /* Dump and reset statistical counters. */ TRACE(OTHER, logout("val=0x%02x (dump stats and reset)\n", val)); dump_statistics(s); - stl_le_phys(s->statsaddr + s->stats_size, 0xa007); + stl_le_phys(s, s->statsaddr + s->stats_size, 0xa007); memset(&s->statistics, 0, sizeof(s->statistics)); break; case CU_SRESUME: @@ -1259,6 +1271,7 @@ static uint32_t eepro100_read_port(EEPRO100State * s) static void eepro100_write_port(EEPRO100State * s, uint32_t val) { val = le32_to_cpu(val); + DMADevice *dma = &s->dev.dma; uint32_t address = (val & ~PORT_SELECTION_MASK); uint8_t selection = (val & PORT_SELECTION_MASK); switch (selection) { @@ -1268,10 +1281,10 @@ static void eepro100_write_port(EEPRO100State * s, uint32_t val) case PORT_SELFTEST: TRACE(OTHER, logout("selftest address=0x%08x\n", address)); eepro100_selftest_t data; - cpu_physical_memory_read(address, (uint8_t *) & data, sizeof(data)); + dma_memory_read(dma, address, (uint8_t *) & data, sizeof(data)); data.st_sign = 0xffffffff; data.st_result = 0; - cpu_physical_memory_write(address, (uint8_t *) & data, sizeof(data)); + dma_memory_write(dma, address, (uint8_t *) & data, sizeof(data)); break; case PORT_SELECTIVE_RESET: TRACE(OTHER, logout("selective reset, selftest address=0x%08x\n", address)); @@ -1652,6 +1665,7 @@ static ssize_t nic_receive(VLANClientState *nc, const uint8_t * buf, size_t size * - Interesting packets should set bit 29 in power management driver register. */ EEPRO100State *s = DO_UPCAST(NICState, nc, nc)->opaque; + DMADevice *dma = &s->dev.dma; uint16_t rfd_status = 0xa000; static const uint8_t broadcast_macaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; @@ -1734,8 +1748,9 @@ static ssize_t nic_receive(VLANClientState *nc, const uint8_t * buf, size_t size } /* !!! */ eepro100_rx_t rx; - cpu_physical_memory_read(s->ru_base + s->ru_offset, (uint8_t *) & rx, - offsetof(eepro100_rx_t, packet)); + dma_memory_read(dma, + s->ru_base + s->ru_offset, + (uint8_t *) & rx, offsetof(eepro100_rx_t, packet)); uint16_t rfd_command = le16_to_cpu(rx.command); uint16_t rfd_size = le16_to_cpu(rx.size);
@@ -1749,9 +1764,11 @@ static ssize_t nic_receive(VLANClientState *nc, const uint8_t * buf, size_t size } TRACE(OTHER, logout("command 0x%04x, link 0x%08x, addr 0x%08x, size %u\n", rfd_command, rx.link, rx.rx_buf_addr, rfd_size)); - stw_phys(s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, status), - rfd_status); - stw_phys(s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, count), size); + dma_stw(dma, + s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, status), + rfd_status); + dma_stw(dma, + s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, count), size); /* Early receive interrupt not supported. */ #if 0 eepro100_er_interrupt(s); @@ -1765,8 +1782,8 @@ static ssize_t nic_receive(VLANClientState *nc, const uint8_t * buf, size_t size #if 0 assert(!(s->configuration[17] & BIT(0))); #endif - cpu_physical_memory_write(s->ru_base + s->ru_offset + - offsetof(eepro100_rx_t, packet), buf, size); + dma_memory_write(dma, s->ru_base + s->ru_offset + + offsetof(eepro100_rx_t, packet), buf, size); s->statistics.rx_good_frames++; eepro100_fr_interrupt(s); s->ru_offset = le32_to_cpu(rx.link);