From bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 Mon Sep 17 00:00:00 2001
From: RajithaY <rajithax.yerrumsetty@intel.com>
Date: Tue, 25 Apr 2017 03:31:15 -0700
Subject: Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
---
qemu/hw/net/vmxnet3.c | 2723 -------------------------------------------------
1 file changed, 2723 deletions(-)
delete mode 100644 qemu/hw/net/vmxnet3.c
(limited to 'qemu/hw/net/vmxnet3.c')
diff --git a/qemu/hw/net/vmxnet3.c b/qemu/hw/net/vmxnet3.c
deleted file mode 100644
index 093a71e12..000000000
--- a/qemu/hw/net/vmxnet3.c
+++ /dev/null
@@ -1,2723 +0,0 @@
-/*
- * QEMU VMWARE VMXNET3 paravirtual NIC
- *
- * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
- *
- * Developed by Daynix Computing LTD (http://www.daynix.com)
- *
- * Authors:
- * Dmitry Fleytman <dmitry@daynix.com>
- * Tamir Shomer <tamirs@daynix.com>
- * Yan Vugenfirer <yan@daynix.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "hw/hw.h"
-#include "hw/pci/pci.h"
-#include "net/net.h"
-#include "net/tap.h"
-#include "net/checksum.h"
-#include "sysemu/sysemu.h"
-#include "qemu-common.h"
-#include "qemu/bswap.h"
-#include "hw/pci/msix.h"
-#include "hw/pci/msi.h"
-
-#include "vmxnet3.h"
-#include "vmxnet_debug.h"
-#include "vmware_utils.h"
-#include "vmxnet_tx_pkt.h"
-#include "vmxnet_rx_pkt.h"
-
-#define PCI_DEVICE_ID_VMWARE_VMXNET3_REVISION 0x1
-#define VMXNET3_MSIX_BAR_SIZE 0x2000
-#define MIN_BUF_SIZE 60
-
-/* Compatability flags for migration */
-#define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT 0
-#define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS \
- (1 << VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT)
-#define VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT 1
-#define VMXNET3_COMPAT_FLAG_DISABLE_PCIE \
- (1 << VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT)
-
-#define VMXNET3_EXP_EP_OFFSET (0x48)
-#define VMXNET3_MSI_OFFSET(s) \
- ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x50 : 0x84)
-#define VMXNET3_MSIX_OFFSET(s) \
- ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0 : 0x9c)
-#define VMXNET3_DSN_OFFSET (0x100)
-
-#define VMXNET3_BAR0_IDX (0)
-#define VMXNET3_BAR1_IDX (1)
-#define VMXNET3_MSIX_BAR_IDX (2)
-
-#define VMXNET3_OFF_MSIX_TABLE (0x000)
-#define VMXNET3_OFF_MSIX_PBA(s) \
- ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x800 : 0x1000)
-
-/* Link speed in Mbps should be shifted by 16 */
-#define VMXNET3_LINK_SPEED (1000 << 16)
-
-/* Link status: 1 - up, 0 - down. */
-#define VMXNET3_LINK_STATUS_UP 0x1
-
-/* Least significant bit should be set for revision and version */
-#define VMXNET3_UPT_REVISION 0x1
-#define VMXNET3_DEVICE_REVISION 0x1
-
-/* Number of interrupt vectors for non-MSIx modes */
-#define VMXNET3_MAX_NMSIX_INTRS (1)
-
-/* Macros for rings descriptors access */
-#define VMXNET3_READ_TX_QUEUE_DESCR8(dpa, field) \
- (vmw_shmem_ld8(dpa + offsetof(struct Vmxnet3_TxQueueDesc, field)))
-
-#define VMXNET3_WRITE_TX_QUEUE_DESCR8(dpa, field, value) \
- (vmw_shmem_st8(dpa + offsetof(struct Vmxnet3_TxQueueDesc, field, value)))
-
-#define VMXNET3_READ_TX_QUEUE_DESCR32(dpa, field) \
- (vmw_shmem_ld32(dpa + offsetof(struct Vmxnet3_TxQueueDesc, field)))
-
-#define VMXNET3_WRITE_TX_QUEUE_DESCR32(dpa, field, value) \
- (vmw_shmem_st32(dpa + offsetof(struct Vmxnet3_TxQueueDesc, field), value))
-
-#define VMXNET3_READ_TX_QUEUE_DESCR64(dpa, field) \
- (vmw_shmem_ld64(dpa + offsetof(struct Vmxnet3_TxQueueDesc, field)))
-
-#define VMXNET3_WRITE_TX_QUEUE_DESCR64(dpa, field, value) \
- (vmw_shmem_st64(dpa + offsetof(struct Vmxnet3_TxQueueDesc, field), value))
-
-#define VMXNET3_READ_RX_QUEUE_DESCR64(dpa, field) \
- (vmw_shmem_ld64(dpa + offsetof(struct Vmxnet3_RxQueueDesc, field)))
-
-#define VMXNET3_READ_RX_QUEUE_DESCR32(dpa, field) \
- (vmw_shmem_ld32(dpa + offsetof(struct Vmxnet3_RxQueueDesc, field)))
-
-#define VMXNET3_WRITE_RX_QUEUE_DESCR64(dpa, field, value) \
- (vmw_shmem_st64(dpa + offsetof(struct Vmxnet3_RxQueueDesc, field), value))
-
-#define VMXNET3_WRITE_RX_QUEUE_DESCR8(dpa, field, value) \
- (vmw_shmem_st8(dpa + offsetof(struct Vmxnet3_RxQueueDesc, field), value))
-
-/* Macros for guest driver shared area access */
-#define VMXNET3_READ_DRV_SHARED64(shpa, field) \
- (vmw_shmem_ld64(shpa + offsetof(struct Vmxnet3_DriverShared, field)))
-
-#define VMXNET3_READ_DRV_SHARED32(shpa, field) \
- (vmw_shmem_ld32(shpa + offsetof(struct Vmxnet3_DriverShared, field)))
-
-#define VMXNET3_WRITE_DRV_SHARED32(shpa, field, val) \
- (vmw_shmem_st32(shpa + offsetof(struct Vmxnet3_DriverShared, field), val))
-
-#define VMXNET3_READ_DRV_SHARED16(shpa, field) \
- (vmw_shmem_ld16(shpa + offsetof(struct Vmxnet3_DriverShared, field)))
-
-#define VMXNET3_READ_DRV_SHARED8(shpa, field) \
- (vmw_shmem_ld8(shpa + offsetof(struct Vmxnet3_DriverShared, field)))
-
-#define VMXNET3_READ_DRV_SHARED(shpa, field, b, l) \
- (vmw_shmem_read(shpa + offsetof(struct Vmxnet3_DriverShared, field), b, l))
-
-#define VMXNET_FLAG_IS_SET(field, flag) (((field) & (flag)) == (flag))
-
-typedef struct VMXNET3Class {
- PCIDeviceClass parent_class;
- DeviceRealize parent_dc_realize;
-} VMXNET3Class;
-
-#define TYPE_VMXNET3 "vmxnet3"
-#define VMXNET3(obj) OBJECT_CHECK(VMXNET3State, (obj), TYPE_VMXNET3)
-
-#define VMXNET3_DEVICE_CLASS(klass) \
- OBJECT_CLASS_CHECK(VMXNET3Class, (klass), TYPE_VMXNET3)
-#define VMXNET3_DEVICE_GET_CLASS(obj) \
- OBJECT_GET_CLASS(VMXNET3Class, (obj), TYPE_VMXNET3)
-
-/* Cyclic ring abstraction */
-typedef struct {
- hwaddr pa;
- size_t size;
- size_t cell_size;
- size_t next;
- uint8_t gen;
-} Vmxnet3Ring;
-
-static inline void vmxnet3_ring_init(Vmxnet3Ring *ring,
- hwaddr pa,
- size_t size,
- size_t cell_size,
- bool zero_region)
-{
- ring->pa = pa;
- ring->size = size;
- ring->cell_size = cell_size;
- ring->gen = VMXNET3_INIT_GEN;
- ring->next = 0;
-
- if (zero_region) {
- vmw_shmem_set(pa, 0, size * cell_size);
- }
-}
-
-#define VMXNET3_RING_DUMP(macro, ring_name, ridx, r) \
- macro("%s#%d: base %" PRIx64 " size %zu cell_size %zu gen %d next %zu", \
- (ring_name), (ridx), \
- (r)->pa, (r)->size, (r)->cell_size, (r)->gen, (r)->next)
-
-static inline void vmxnet3_ring_inc(Vmxnet3Ring *ring)
-{
- if (++ring->next >= ring->size) {
- ring->next = 0;
- ring->gen ^= 1;
- }
-}
-
-static inline void vmxnet3_ring_dec(Vmxnet3Ring *ring)
-{
- if (ring->next-- == 0) {
- ring->next = ring->size - 1;
- ring->gen ^= 1;
- }
-}
-
-static inline hwaddr vmxnet3_ring_curr_cell_pa(Vmxnet3Ring *ring)
-{
- return ring->pa + ring->next * ring->cell_size;
-}
-
-static inline void vmxnet3_ring_read_curr_cell(Vmxnet3Ring *ring, void *buff)
-{
- vmw_shmem_read(vmxnet3_ring_curr_cell_pa(ring), buff, ring->cell_size);
-}
-
-static inline void vmxnet3_ring_write_curr_cell(Vmxnet3Ring *ring, void *buff)
-{
- vmw_shmem_write(vmxnet3_ring_curr_cell_pa(ring), buff, ring->cell_size);
-}
-
-static inline size_t vmxnet3_ring_curr_cell_idx(Vmxnet3Ring *ring)
-{
- return ring->next;
-}
-
-static inline uint8_t vmxnet3_ring_curr_gen(Vmxnet3Ring *ring)
-{
- return ring->gen;
-}
-
-/* Debug trace-related functions */
-static inline void
-vmxnet3_dump_tx_descr(struct Vmxnet3_TxDesc *descr)
-{
- VMW_PKPRN("TX DESCR: "
- "addr %" PRIx64 ", len: %d, gen: %d, rsvd: %d, "
- "dtype: %d, ext1: %d, msscof: %d, hlen: %d, om: %d, "
- "eop: %d, cq: %d, ext2: %d, ti: %d, tci: %d",
- le64_to_cpu(descr->addr), descr->len, descr->gen, descr->rsvd,
- descr->dtype, descr->ext1, descr->msscof, descr->hlen, descr->om,
- descr->eop, descr->cq, descr->ext2, descr->ti, descr->tci);
-}
-
-static inline void
-vmxnet3_dump_virt_hdr(struct virtio_net_hdr *vhdr)
-{
- VMW_PKPRN("VHDR: flags 0x%x, gso_type: 0x%x, hdr_len: %d, gso_size: %d, "
- "csum_start: %d, csum_offset: %d",
- vhdr->flags, vhdr->gso_type, vhdr->hdr_len, vhdr->gso_size,
- vhdr->csum_start, vhdr->csum_offset);
-}
-
-static inline void
-vmxnet3_dump_rx_descr(struct Vmxnet3_RxDesc *descr)
-{
- VMW_PKPRN("RX DESCR: addr %" PRIx64 ", len: %d, gen: %d, rsvd: %d, "
- "dtype: %d, ext1: %d, btype: %d",
- le64_to_cpu(descr->addr), descr->len, descr->gen,
- descr->rsvd, descr->dtype, descr->ext1, descr->btype);
-}
-
-/* Device state and helper functions */
-#define VMXNET3_RX_RINGS_PER_QUEUE (2)
-
-typedef struct {
- Vmxnet3Ring tx_ring;
- Vmxnet3Ring comp_ring;
-
- uint8_t intr_idx;
- hwaddr tx_stats_pa;
- struct UPT1_TxStats txq_stats;
-} Vmxnet3TxqDescr;
-
-typedef struct {
- Vmxnet3Ring rx_ring[VMXNET3_RX_RINGS_PER_QUEUE];
- Vmxnet3Ring comp_ring;
- uint8_t intr_idx;
- hwaddr rx_stats_pa;
- struct UPT1_RxStats rxq_stats;
-} Vmxnet3RxqDescr;
-
-typedef struct {
- bool is_masked;
- bool is_pending;
- bool is_asserted;
-} Vmxnet3IntState;
-
-typedef struct {
- PCIDevice parent_obj;
- NICState *nic;
- NICConf conf;
- MemoryRegion bar0;
- MemoryRegion bar1;
- MemoryRegion msix_bar;
-
- Vmxnet3RxqDescr rxq_descr[VMXNET3_DEVICE_MAX_RX_QUEUES];
- Vmxnet3TxqDescr txq_descr[VMXNET3_DEVICE_MAX_TX_QUEUES];
-
- /* Whether MSI-X support was installed successfully */
- bool msix_used;
- /* Whether MSI support was installed successfully */
- bool msi_used;
- hwaddr drv_shmem;
- hwaddr temp_shared_guest_driver_memory;
-
- uint8_t txq_num;
-
- /* This boolean tells whether RX packet being indicated has to */
- /* be split into head and body chunks from different RX rings */
- bool rx_packets_compound;
-
- bool rx_vlan_stripping;
- bool lro_supported;
-
- uint8_t rxq_num;
-
- /* Network MTU */
- uint32_t mtu;
-
- /* Maximum number of fragments for indicated TX packets */
- uint32_t max_tx_frags;
-
- /* Maximum number of fragments for indicated RX packets */
- uint16_t max_rx_frags;
-
- /* Index for events interrupt */
- uint8_t event_int_idx;
-
- /* Whether automatic interrupts masking enabled */
- bool auto_int_masking;
-
- bool peer_has_vhdr;
-
- /* TX packets to QEMU interface */
- struct VmxnetTxPkt *tx_pkt;
- uint32_t offload_mode;
- uint32_t cso_or_gso_size;
- uint16_t tci;
- bool needs_vlan;
-
- struct VmxnetRxPkt *rx_pkt;
-
- bool tx_sop;
- bool skip_current_tx_pkt;
-
- uint32_t device_active;
- uint32_t last_command;
-
- uint32_t link_status_and_speed;
-
- Vmxnet3IntState interrupt_states[VMXNET3_MAX_INTRS];
-
- uint32_t temp_mac; /* To store the low part first */
-
- MACAddr perm_mac;
- uint32_t vlan_table[VMXNET3_VFT_SIZE];
- uint32_t rx_mode;
- MACAddr *mcast_list;
- uint32_t mcast_list_len;
- uint32_t mcast_list_buff_size; /* needed for live migration. */
-
- /* Compatability flags for migration */
- uint32_t compat_flags;
-} VMXNET3State;
-
-/* Interrupt management */
-
-/*
- *This function returns sign whether interrupt line is in asserted state
- * This depends on the type of interrupt used. For INTX interrupt line will
- * be asserted until explicit deassertion, for MSI(X) interrupt line will
- * be deasserted automatically due to notification semantics of the MSI(X)
- * interrupts
- */
-static bool _vmxnet3_assert_interrupt_line(VMXNET3State *s, uint32_t int_idx)
-{
- PCIDevice *d = PCI_DEVICE(s);
-
- if (s->msix_used && msix_enabled(d)) {
- VMW_IRPRN("Sending MSI-X notification for vector %u", int_idx);
- msix_notify(d, int_idx);
- return false;
- }
- if (s->msi_used && msi_enabled(d)) {
- VMW_IRPRN("Sending MSI notification for vector %u", int_idx);
- msi_notify(d, int_idx);
- return false;
- }
-
- VMW_IRPRN("Asserting line for interrupt %u", int_idx);
- pci_irq_assert(d);
- return true;
-}
-
-static void _vmxnet3_deassert_interrupt_line(VMXNET3State *s, int lidx)
-{
- PCIDevice *d = PCI_DEVICE(s);
-
- /*
- * This function should never be called for MSI(X) interrupts
- * because deassertion never required for message interrupts
- */
- assert(!s->msix_used || !msix_enabled(d));
- /*
- * This function should never be called for MSI(X) interrupts
- * because deassertion never required for message interrupts
- */
- assert(!s->msi_used || !msi_enabled(d));
-
- VMW_IRPRN("Deasserting line for interrupt %u", lidx);
- pci_irq_deassert(d);
-}
-
-static void vmxnet3_update_interrupt_line_state(VMXNET3State *s, int lidx)
-{
- if (!s->interrupt_states[lidx].is_pending &&
- s->interrupt_states[lidx].is_asserted) {
- VMW_IRPRN("New interrupt line state for index %d is DOWN", lidx);
- _vmxnet3_deassert_interrupt_line(s, lidx);
- s->interrupt_states[lidx].is_asserted = false;
- return;
- }
-
- if (s->interrupt_states[lidx].is_pending &&
- !s->interrupt_states[lidx].is_masked &&
- !s->interrupt_states[lidx].is_asserted) {
- VMW_IRPRN("New interrupt line state for index %d is UP", lidx);
- s->interrupt_states[lidx].is_asserted =
- _vmxnet3_assert_interrupt_line(s, lidx);
- s->interrupt_states[lidx].is_pending = false;
- return;
- }
-}
-
-static void vmxnet3_trigger_interrupt(VMXNET3State *s, int lidx)
-{
- PCIDevice *d = PCI_DEVICE(s);
- s->interrupt_states[lidx].is_pending = true;
- vmxnet3_update_interrupt_line_state(s, lidx);
-
- if (s->msix_used && msix_enabled(d) && s->auto_int_masking) {
- goto do_automask;
- }
-
- if (s->msi_used && msi_enabled(d) && s->auto_int_masking) {
- goto do_automask;
- }
-
- return;
-
-do_automask:
- s->interrupt_states[lidx].is_masked = true;
- vmxnet3_update_interrupt_line_state(s, lidx);
-}
-
-static bool vmxnet3_interrupt_asserted(VMXNET3State *s, int lidx)
-{
- return s->interrupt_states[lidx].is_asserted;
-}
-
-static void vmxnet3_clear_interrupt(VMXNET3State *s, int int_idx)
-{
- s->interrupt_states[int_idx].is_pending = false;
- if (s->auto_int_masking) {
- s->interrupt_states[int_idx].is_masked = true;
- }
- vmxnet3_update_interrupt_line_state(s, int_idx);
-}
-
-static void
-vmxnet3_on_interrupt_mask_changed(VMXNET3State *s, int lidx, bool is_masked)
-{
- s->interrupt_states[lidx].is_masked = is_masked;
- vmxnet3_update_interrupt_line_state(s, lidx);
-}
-
-static bool vmxnet3_verify_driver_magic(hwaddr dshmem)
-{
- return (VMXNET3_READ_DRV_SHARED32(dshmem, magic) == VMXNET3_REV1_MAGIC);
-}
-
-#define VMXNET3_GET_BYTE(x, byte_num) (((x) >> (byte_num)*8) & 0xFF)
-#define VMXNET3_MAKE_BYTE(byte_num, val) \
- (((uint32_t)((val) & 0xFF)) << (byte_num)*8)
-
-static void vmxnet3_set_variable_mac(VMXNET3State *s, uint32_t h, uint32_t l)
-{
- s->conf.macaddr.a[0] = VMXNET3_GET_BYTE(l, 0);
- s->conf.macaddr.a[1] = VMXNET3_GET_BYTE(l, 1);
- s->conf.macaddr.a[2] = VMXNET3_GET_BYTE(l, 2);
- s->conf.macaddr.a[3] = VMXNET3_GET_BYTE(l, 3);
- s->conf.macaddr.a[4] = VMXNET3_GET_BYTE(h, 0);
- s->conf.macaddr.a[5] = VMXNET3_GET_BYTE(h, 1);
-
- VMW_CFPRN("Variable MAC: " VMXNET_MF, VMXNET_MA(s->conf.macaddr.a));
-
- qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
-}
-
-static uint64_t vmxnet3_get_mac_low(MACAddr *addr)
-{
- return VMXNET3_MAKE_BYTE(0, addr->a[0]) |
- VMXNET3_MAKE_BYTE(1, addr->a[1]) |
- VMXNET3_MAKE_BYTE(2, addr->a[2]) |
- VMXNET3_MAKE_BYTE(3, addr->a[3]);
-}
-
-static uint64_t vmxnet3_get_mac_high(MACAddr *addr)
-{
- return VMXNET3_MAKE_BYTE(0, addr->a[4]) |
- VMXNET3_MAKE_BYTE(1, addr->a[5]);
-}
-
-static void
-vmxnet3_inc_tx_consumption_counter(VMXNET3State *s, int qidx)
-{
- vmxnet3_ring_inc(&s->txq_descr[qidx].tx_ring);
-}
-
-static inline void
-vmxnet3_inc_rx_consumption_counter(VMXNET3State *s, int qidx, int ridx)
-{
- vmxnet3_ring_inc(&s->rxq_descr[qidx].rx_ring[ridx]);
-}
-
-static inline void
-vmxnet3_inc_tx_completion_counter(VMXNET3State *s, int qidx)
-{
- vmxnet3_ring_inc(&s->txq_descr[qidx].comp_ring);
-}
-
-static void
-vmxnet3_inc_rx_completion_counter(VMXNET3State *s, int qidx)
-{
- vmxnet3_ring_inc(&s->rxq_descr[qidx].comp_ring);
-}
-
-static void
-vmxnet3_dec_rx_completion_counter(VMXNET3State *s, int qidx)
-{
- vmxnet3_ring_dec(&s->rxq_descr[qidx].comp_ring);
-}
-
-static void vmxnet3_complete_packet(VMXNET3State *s, int qidx, uint32_t tx_ridx)
-{
- struct Vmxnet3_TxCompDesc txcq_descr;
-
- VMXNET3_RING_DUMP(VMW_RIPRN, "TXC", qidx, &s->txq_descr[qidx].comp_ring);
-
- txcq_descr.txdIdx = tx_ridx;
- txcq_descr.gen = vmxnet3_ring_curr_gen(&s->txq_descr[qidx].comp_ring);
-
- vmxnet3_ring_write_curr_cell(&s->txq_descr[qidx].comp_ring, &txcq_descr);
-
- /* Flush changes in TX descriptor before changing the counter value */
- smp_wmb();
-
- vmxnet3_inc_tx_completion_counter(s, qidx);
- vmxnet3_trigger_interrupt(s, s->txq_descr[qidx].intr_idx);
-}
-
-static bool
-vmxnet3_setup_tx_offloads(VMXNET3State *s)
-{
- switch (s->offload_mode) {
- case VMXNET3_OM_NONE:
- vmxnet_tx_pkt_build_vheader(s->tx_pkt, false, false, 0);
- break;
-
- case VMXNET3_OM_CSUM:
- vmxnet_tx_pkt_build_vheader(s->tx_pkt, false, true, 0);
- VMW_PKPRN("L4 CSO requested\n");
- break;
-
- case VMXNET3_OM_TSO:
- vmxnet_tx_pkt_build_vheader(s->tx_pkt, true, true,
- s->cso_or_gso_size);
- vmxnet_tx_pkt_update_ip_checksums(s->tx_pkt);
- VMW_PKPRN("GSO offload requested.");
- break;
-
- default:
- g_assert_not_reached();
- return false;
- }
-
- return true;
-}
-
-static void
-vmxnet3_tx_retrieve_metadata(VMXNET3State *s,
- const struct Vmxnet3_TxDesc *txd)
-{
- s->offload_mode = txd->om;
- s->cso_or_gso_size = txd->msscof;
- s->tci = txd->tci;
- s->needs_vlan = txd->ti;
-}
-
-typedef enum {
- VMXNET3_PKT_STATUS_OK,
- VMXNET3_PKT_STATUS_ERROR,
- VMXNET3_PKT_STATUS_DISCARD,/* only for tx */
- VMXNET3_PKT_STATUS_OUT_OF_BUF /* only for rx */
-} Vmxnet3PktStatus;
-
-static void
-vmxnet3_on_tx_done_update_stats(VMXNET3State *s, int qidx,
- Vmxnet3PktStatus status)
-{
- size_t tot_len = vmxnet_tx_pkt_get_total_len(s->tx_pkt);
- struct UPT1_TxStats *stats = &s->txq_descr[qidx].txq_stats;
-
- switch (status) {
- case VMXNET3_PKT_STATUS_OK:
- switch (vmxnet_tx_pkt_get_packet_type(s->tx_pkt)) {
- case ETH_PKT_BCAST:
- stats->bcastPktsTxOK++;
- stats->bcastBytesTxOK += tot_len;
- break;
- case ETH_PKT_MCAST:
- stats->mcastPktsTxOK++;
- stats->mcastBytesTxOK += tot_len;
- break;
- case ETH_PKT_UCAST:
- stats->ucastPktsTxOK++;
- stats->ucastBytesTxOK += tot_len;
- break;
- default:
- g_assert_not_reached();
- }
-
- if (s->offload_mode == VMXNET3_OM_TSO) {
- /*
- * According to VMWARE headers this statistic is a number
- * of packets after segmentation but since we don't have
- * this information in QEMU model, the best we can do is to
- * provide number of non-segmented packets
- */
- stats->TSOPktsTxOK++;
- stats->TSOBytesTxOK += tot_len;
- }
- break;
-
- case VMXNET3_PKT_STATUS_DISCARD:
- stats->pktsTxDiscard++;
- break;
-
- case VMXNET3_PKT_STATUS_ERROR:
- stats->pktsTxError++;
- break;
-
- default:
- g_assert_not_reached();
- }
-}
-
-static void
-vmxnet3_on_rx_done_update_stats(VMXNET3State *s,
- int qidx,
- Vmxnet3PktStatus status)
-{
- struct UPT1_RxStats *stats = &s->rxq_descr[qidx].rxq_stats;
- size_t tot_len = vmxnet_rx_pkt_get_total_len(s->rx_pkt);
-
- switch (status) {
- case VMXNET3_PKT_STATUS_OUT_OF_BUF:
- stats->pktsRxOutOfBuf++;
- break;
-
- case VMXNET3_PKT_STATUS_ERROR:
- stats->pktsRxError++;
- break;
- case VMXNET3_PKT_STATUS_OK:
- switch (vmxnet_rx_pkt_get_packet_type(s->rx_pkt)) {
- case ETH_PKT_BCAST:
- stats->bcastPktsRxOK++;
- stats->bcastBytesRxOK += tot_len;
- break;
- case ETH_PKT_MCAST:
- stats->mcastPktsRxOK++;
- stats->mcastBytesRxOK += tot_len;
- break;
- case ETH_PKT_UCAST:
- stats->ucastPktsRxOK++;
- stats->ucastBytesRxOK += tot_len;
- break;
- default:
- g_assert_not_reached();
- }
-
- if (tot_len > s->mtu) {
- stats->LROPktsRxOK++;
- stats->LROBytesRxOK += tot_len;
- }
- break;
- default:
- g_assert_not_reached();
- }
-}
-
-static inline bool
-vmxnet3_pop_next_tx_descr(VMXNET3State *s,
- int qidx,
- struct Vmxnet3_TxDesc *txd,
- uint32_t *descr_idx)
-{
- Vmxnet3Ring *ring = &s->txq_descr[qidx].tx_ring;
-
- vmxnet3_ring_read_curr_cell(ring, txd);
- if (txd->gen == vmxnet3_ring_curr_gen(ring)) {
- /* Only read after generation field verification */
- smp_rmb();
- /* Re-read to be sure we got the latest version */
- vmxnet3_ring_read_curr_cell(ring, txd);
- VMXNET3_RING_DUMP(VMW_RIPRN, "TX", qidx, ring);
- *descr_idx = vmxnet3_ring_curr_cell_idx(ring);
- vmxnet3_inc_tx_consumption_counter(s, qidx);
- return true;
- }
-
- return false;
-}
-
-static bool
-vmxnet3_send_packet(VMXNET3State *s, uint32_t qidx)
-{
- Vmxnet3PktStatus status = VMXNET3_PKT_STATUS_OK;
-
- if (!vmxnet3_setup_tx_offloads(s)) {
- status = VMXNET3_PKT_STATUS_ERROR;
- goto func_exit;
- }
-
- /* debug prints */
- vmxnet3_dump_virt_hdr(vmxnet_tx_pkt_get_vhdr(s->tx_pkt));
- vmxnet_tx_pkt_dump(s->tx_pkt);
-
- if (!vmxnet_tx_pkt_send(s->tx_pkt, qemu_get_queue(s->nic))) {
- status = VMXNET3_PKT_STATUS_DISCARD;
- goto func_exit;
- }
-
-func_exit:
- vmxnet3_on_tx_done_update_stats(s, qidx, status);
- return (status == VMXNET3_PKT_STATUS_OK);
-}
-
-static void vmxnet3_process_tx_queue(VMXNET3State *s, int qidx)
-{
- struct Vmxnet3_TxDesc txd;
- uint32_t txd_idx;
- uint32_t data_len;
- hwaddr data_pa;
-
- for (;;) {
- if (!vmxnet3_pop_next_tx_descr(s, qidx, &txd, &txd_idx)) {
- break;
- }
-
- vmxnet3_dump_tx_descr(&txd);
-
- if (!s->skip_current_tx_pkt) {
- data_len = (txd.len > 0) ? txd.len : VMXNET3_MAX_TX_BUF_SIZE;
- data_pa = le64_to_cpu(txd.addr);
-
- if (!vmxnet_tx_pkt_add_raw_fragment(s->tx_pkt,
- data_pa,
- data_len)) {
- s->skip_current_tx_pkt = true;
- }
- }
-
- if (s->tx_sop) {
- vmxnet3_tx_retrieve_metadata(s, &txd);
- s->tx_sop = false;
- }
-
- if (txd.eop) {
- if (!s->skip_current_tx_pkt && vmxnet_tx_pkt_parse(s->tx_pkt)) {
- if (s->needs_vlan) {
- vmxnet_tx_pkt_setup_vlan_header(s->tx_pkt, s->tci);
- }
-
- vmxnet3_send_packet(s, qidx);
- } else {
- vmxnet3_on_tx_done_update_stats(s, qidx,
- VMXNET3_PKT_STATUS_ERROR);
- }
-
- vmxnet3_complete_packet(s, qidx, txd_idx);
- s->tx_sop = true;
- s->skip_current_tx_pkt = false;
- vmxnet_tx_pkt_reset(s->tx_pkt);
- }
- }
-}
-
-static inline void
-vmxnet3_read_next_rx_descr(VMXNET3State *s, int qidx, int ridx,
- struct Vmxnet3_RxDesc *dbuf, uint32_t *didx)
-{
- Vmxnet3Ring *ring = &s->rxq_descr[qidx].rx_ring[ridx];
- *didx = vmxnet3_ring_curr_cell_idx(ring);
- vmxnet3_ring_read_curr_cell(ring, dbuf);
-}
-
-static inline uint8_t
-vmxnet3_get_rx_ring_gen(VMXNET3State *s, int qidx, int ridx)
-{
- return s->rxq_descr[qidx].rx_ring[ridx].gen;
-}
-
-static inline hwaddr
-vmxnet3_pop_rxc_descr(VMXNET3State *s, int qidx, uint32_t *descr_gen)
-{
- uint8_t ring_gen;
- struct Vmxnet3_RxCompDesc rxcd;
-
- hwaddr daddr =
- vmxnet3_ring_curr_cell_pa(&s->rxq_descr[qidx].comp_ring);
-
- cpu_physical_memory_read(daddr, &rxcd, sizeof(struct Vmxnet3_RxCompDesc));
- ring_gen = vmxnet3_ring_curr_gen(&s->rxq_descr[qidx].comp_ring);
-
- if (rxcd.gen != ring_gen) {
- *descr_gen = ring_gen;
- vmxnet3_inc_rx_completion_counter(s, qidx);
- return daddr;
- }
-
- return 0;
-}
-
-static inline void
-vmxnet3_revert_rxc_descr(VMXNET3State *s, int qidx)
-{
- vmxnet3_dec_rx_completion_counter(s, qidx);
-}
-
-#define RXQ_IDX (0)
-#define RX_HEAD_BODY_RING (0)
-#define RX_BODY_ONLY_RING (1)
-
-static bool
-vmxnet3_get_next_head_rx_descr(VMXNET3State *s,
- struct Vmxnet3_RxDesc *descr_buf,
- uint32_t *descr_idx,
- uint32_t *ridx)
-{
- for (;;) {
- uint32_t ring_gen;
- vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING,
- descr_buf, descr_idx);
-
- /* If no more free descriptors - return */
- ring_gen = vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_HEAD_BODY_RING);
- if (descr_buf->gen != ring_gen) {
- return false;
- }
-
- /* Only read after generation field verification */
- smp_rmb();
- /* Re-read to be sure we got the latest version */
- vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING,
- descr_buf, descr_idx);
-
- /* Mark current descriptor as used/skipped */
- vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_HEAD_BODY_RING);
-
- /* If this is what we are looking for - return */
- if (descr_buf->btype == VMXNET3_RXD_BTYPE_HEAD) {
- *ridx = RX_HEAD_BODY_RING;
- return true;
- }
- }
-}
-
-static bool
-vmxnet3_get_next_body_rx_descr(VMXNET3State *s,
- struct Vmxnet3_RxDesc *d,
- uint32_t *didx,
- uint32_t *ridx)
-{
- vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, d, didx);
-
- /* Try to find corresponding descriptor in head/body ring */
- if (d->gen == vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_HEAD_BODY_RING)) {
- /* Only read after generation field verification */
- smp_rmb();
- /* Re-read to be sure we got the latest version */
- vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, d, didx);
- if (d->btype == VMXNET3_RXD_BTYPE_BODY) {
- vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_HEAD_BODY_RING);
- *ridx = RX_HEAD_BODY_RING;
- return true;
- }
- }
-
- /*
- * If there is no free descriptors on head/body ring or next free
- * descriptor is a head descriptor switch to body only ring
- */
- vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_BODY_ONLY_RING, d, didx);
-
- /* If no more free descriptors - return */
- if (d->gen == vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_BODY_ONLY_RING)) {
- /* Only read after generation field verification */
- smp_rmb();
- /* Re-read to be sure we got the latest version */
- vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_BODY_ONLY_RING, d, didx);
- assert(d->btype == VMXNET3_RXD_BTYPE_BODY);
- *ridx = RX_BODY_ONLY_RING;
- vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_BODY_ONLY_RING);
- return true;
- }
-
- return false;
-}
-
-static inline bool
-vmxnet3_get_next_rx_descr(VMXNET3State *s, bool is_head,
- struct Vmxnet3_RxDesc *descr_buf,
- uint32_t *descr_idx,
- uint32_t *ridx)
-{
- if (is_head || !s->rx_packets_compound) {
- return vmxnet3_get_next_head_rx_descr(s, descr_buf, descr_idx, ridx);
- } else {
- return vmxnet3_get_next_body_rx_descr(s, descr_buf, descr_idx, ridx);
- }
-}
-
-/* In case packet was csum offloaded (either NEEDS_CSUM or DATA_VALID),
- * the implementation always passes an RxCompDesc with a "Checksum
- * calculated and found correct" to the OS (cnc=0 and tuc=1, see
- * vmxnet3_rx_update_descr). This emulates the observed ESXi behavior.
- *
- * Therefore, if packet has the NEEDS_CSUM set, we must calculate
- * and place a fully computed checksum into the tcp/udp header.
- * Otherwise, the OS driver will receive a checksum-correct indication
- * (CHECKSUM_UNNECESSARY), but with the actual tcp/udp checksum field
- * having just the pseudo header csum value.
- *
- * While this is not a problem if packet is destined for local delivery,
- * in the case the host OS performs forwarding, it will forward an
- * incorrectly checksummed packet.
- */
-static void vmxnet3_rx_need_csum_calculate(struct VmxnetRxPkt *pkt,
- const void *pkt_data,
- size_t pkt_len)
-{
- struct virtio_net_hdr *vhdr;
- bool isip4, isip6, istcp, isudp;
- uint8_t *data;
- int len;
-
- if (!vmxnet_rx_pkt_has_virt_hdr(pkt)) {
- return;
- }
-
- vhdr = vmxnet_rx_pkt_get_vhdr(pkt);
- if (!VMXNET_FLAG_IS_SET(vhdr->flags, VIRTIO_NET_HDR_F_NEEDS_CSUM)) {
- return;
- }
-
- vmxnet_rx_pkt_get_protocols(pkt, &isip4, &isip6, &isudp, &istcp);
- if (!(isip4 || isip6) || !(istcp || isudp)) {
- return;
- }
-
- vmxnet3_dump_virt_hdr(vhdr);
-
- /* Validate packet len: csum_start + scum_offset + length of csum field */
- if (pkt_len < (vhdr->csum_start + vhdr->csum_offset + 2)) {
- VMW_PKPRN("packet len:%zu < csum_start(%d) + csum_offset(%d) + 2, "
- "cannot calculate checksum",
- pkt_len, vhdr->csum_start, vhdr->csum_offset);
- return;
- }
-
- data = (uint8_t *)pkt_data + vhdr->csum_start;
- len = pkt_len - vhdr->csum_start;
- /* Put the checksum obtained into the packet */
- stw_be_p(data + vhdr->csum_offset, net_raw_checksum(data, len));
-
- vhdr->flags &= ~VIRTIO_NET_HDR_F_NEEDS_CSUM;
- vhdr->flags |= VIRTIO_NET_HDR_F_DATA_VALID;
-}
-
-static void vmxnet3_rx_update_descr(struct VmxnetRxPkt *pkt,
- struct Vmxnet3_RxCompDesc *rxcd)
-{
- int csum_ok, is_gso;
- bool isip4, isip6, istcp, isudp;
- struct virtio_net_hdr *vhdr;
- uint8_t offload_type;
-
- if (vmxnet_rx_pkt_is_vlan_stripped(pkt)) {
- rxcd->ts = 1;
- rxcd->tci = vmxnet_rx_pkt_get_vlan_tag(pkt);
- }
-
- if (!vmxnet_rx_pkt_has_virt_hdr(pkt)) {
- goto nocsum;
- }
-
- vhdr = vmxnet_rx_pkt_get_vhdr(pkt);
- /*
- * Checksum is valid when lower level tell so or when lower level
- * requires checksum offload telling that packet produced/bridged
- * locally and did travel over network after last checksum calculation
- * or production
- */
- csum_ok = VMXNET_FLAG_IS_SET(vhdr->flags, VIRTIO_NET_HDR_F_DATA_VALID) ||
- VMXNET_FLAG_IS_SET(vhdr->flags, VIRTIO_NET_HDR_F_NEEDS_CSUM);
-
- offload_type = vhdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN;
- is_gso = (offload_type != VIRTIO_NET_HDR_GSO_NONE) ? 1 : 0;
-
- if (!csum_ok && !is_gso) {
- goto nocsum;
- }
-
- vmxnet_rx_pkt_get_protocols(pkt, &isip4, &isip6, &isudp, &istcp);
- if ((!istcp && !isudp) || (!isip4 && !isip6)) {
- goto nocsum;
- }
-
- rxcd->cnc = 0;
- rxcd->v4 = isip4 ? 1 : 0;
- rxcd->v6 = isip6 ? 1 : 0;
- rxcd->tcp = istcp ? 1 : 0;
- rxcd->udp = isudp ? 1 : 0;
- rxcd->fcs = rxcd->tuc = rxcd->ipc = 1;
- return;
-
-nocsum:
- rxcd->cnc = 1;
- return;
-}
-
-static void
-vmxnet3_physical_memory_writev(const struct iovec *iov,
- size_t start_iov_off,
- hwaddr target_addr,
- size_t bytes_to_copy)
-{
- size_t curr_off = 0;
- size_t copied = 0;
-
- while (bytes_to_copy) {
- if (start_iov_off < (curr_off + iov->iov_len)) {
- size_t chunk_len =
- MIN((curr_off + iov->iov_len) - start_iov_off, bytes_to_copy);
-
- cpu_physical_memory_write(target_addr + copied,
- iov->iov_base + start_iov_off - curr_off,
- chunk_len);
-
- copied += chunk_len;
- start_iov_off += chunk_len;
- curr_off = start_iov_off;
- bytes_to_copy -= chunk_len;
- } else {
- curr_off += iov->iov_len;
- }
- iov++;
- }
-}
-
-static bool
-vmxnet3_indicate_packet(VMXNET3State *s)
-{
- struct Vmxnet3_RxDesc rxd;
- bool is_head = true;
- uint32_t rxd_idx;
- uint32_t rx_ridx = 0;
-
- struct Vmxnet3_RxCompDesc rxcd;
- uint32_t new_rxcd_gen = VMXNET3_INIT_GEN;
- hwaddr new_rxcd_pa = 0;
- hwaddr ready_rxcd_pa = 0;
- struct iovec *data = vmxnet_rx_pkt_get_iovec(s->rx_pkt);
- size_t bytes_copied = 0;
- size_t bytes_left = vmxnet_rx_pkt_get_total_len(s->rx_pkt);
- uint16_t num_frags = 0;
- size_t chunk_size;
-
- vmxnet_rx_pkt_dump(s->rx_pkt);
-
- while (bytes_left > 0) {
-
- /* cannot add more frags to packet */
- if (num_frags == s->max_rx_frags) {
- break;
- }
-
- new_rxcd_pa = vmxnet3_pop_rxc_descr(s, RXQ_IDX, &new_rxcd_gen);
- if (!new_rxcd_pa) {
- break;
- }
-
- if (!vmxnet3_get_next_rx_descr(s, is_head, &rxd, &rxd_idx, &rx_ridx)) {
- break;
- }
-
- chunk_size = MIN(bytes_left, rxd.len);
- vmxnet3_physical_memory_writev(data, bytes_copied,
- le64_to_cpu(rxd.addr), chunk_size);
- bytes_copied += chunk_size;
- bytes_left -= chunk_size;
-
- vmxnet3_dump_rx_descr(&rxd);
-
- if (ready_rxcd_pa != 0) {
- cpu_physical_memory_write(ready_rxcd_pa, &rxcd, sizeof(rxcd));
- }
-
- memset(&rxcd, 0, sizeof(struct Vmxnet3_RxCompDesc));
- rxcd.rxdIdx = rxd_idx;
- rxcd.len = chunk_size;
- rxcd.sop = is_head;
- rxcd.gen = new_rxcd_gen;
- rxcd.rqID = RXQ_IDX + rx_ridx * s->rxq_num;
-
- if (bytes_left == 0) {
- vmxnet3_rx_update_descr(s->rx_pkt, &rxcd);
- }
-
- VMW_RIPRN("RX Completion descriptor: rxRing: %lu rxIdx %lu len %lu "
- "sop %d csum_correct %lu",
- (unsigned long) rx_ridx,
- (unsigned long) rxcd.rxdIdx,
- (unsigned long) rxcd.len,
- (int) rxcd.sop,
- (unsigned long) rxcd.tuc);
-
- is_head = false;
- ready_rxcd_pa = new_rxcd_pa;
- new_rxcd_pa = 0;
- num_frags++;
- }
-
- if (ready_rxcd_pa != 0) {
- rxcd.eop = 1;
- rxcd.err = (bytes_left != 0);
- cpu_physical_memory_write(ready_rxcd_pa, &rxcd, sizeof(rxcd));
-
- /* Flush RX descriptor changes */
- smp_wmb();
- }
-
- if (new_rxcd_pa != 0) {
- vmxnet3_revert_rxc_descr(s, RXQ_IDX);
- }
-
- vmxnet3_trigger_interrupt(s, s->rxq_descr[RXQ_IDX].intr_idx);
-
- if (bytes_left == 0) {
- vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, VMXNET3_PKT_STATUS_OK);
- return true;
- } else if (num_frags == s->max_rx_frags) {
- vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, VMXNET3_PKT_STATUS_ERROR);
- return false;
- } else {
- vmxnet3_on_rx_done_update_stats(s, RXQ_IDX,
- VMXNET3_PKT_STATUS_OUT_OF_BUF);
- return false;
- }
-}
-
-static void
-vmxnet3_io_bar0_write(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- VMXNET3State *s = opaque;
-
- if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_TXPROD,
- VMXNET3_DEVICE_MAX_TX_QUEUES, VMXNET3_REG_ALIGN)) {
- int tx_queue_idx =
- VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_TXPROD,
- VMXNET3_REG_ALIGN);
- assert(tx_queue_idx <= s->txq_num);
- vmxnet3_process_tx_queue(s, tx_queue_idx);
- return;
- }
-
- if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_IMR,
- VMXNET3_MAX_INTRS, VMXNET3_REG_ALIGN)) {
- int l = VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_IMR,
- VMXNET3_REG_ALIGN);
-
- VMW_CBPRN("Interrupt mask for line %d written: 0x%" PRIx64, l, val);
-
- vmxnet3_on_interrupt_mask_changed(s, l, val);
- return;
- }
-
- if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_RXPROD,
- VMXNET3_DEVICE_MAX_RX_QUEUES, VMXNET3_REG_ALIGN) ||
- VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_RXPROD2,
- VMXNET3_DEVICE_MAX_RX_QUEUES, VMXNET3_REG_ALIGN)) {
- return;
- }
-
- VMW_WRPRN("BAR0 unknown write [%" PRIx64 "] = %" PRIx64 ", size %d",
- (uint64_t) addr, val, size);
-}
-
-static uint64_t
-vmxnet3_io_bar0_read(void *opaque, hwaddr addr, unsigned size)
-{
- VMXNET3State *s = opaque;
-
- if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_IMR,
- VMXNET3_MAX_INTRS, VMXNET3_REG_ALIGN)) {
- int l = VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_IMR,
- VMXNET3_REG_ALIGN);
- return s->interrupt_states[l].is_masked;
- }
-
- VMW_CBPRN("BAR0 unknown read [%" PRIx64 "], size %d", addr, size);
- return 0;
-}
-
-static void vmxnet3_reset_interrupt_states(VMXNET3State *s)
-{
- int i;
- for (i = 0; i < ARRAY_SIZE(s->interrupt_states); i++) {
- s->interrupt_states[i].is_asserted = false;
- s->interrupt_states[i].is_pending = false;
- s->interrupt_states[i].is_masked = true;
- }
-}
-
-static void vmxnet3_reset_mac(VMXNET3State *s)
-{
- memcpy(&s->conf.macaddr.a, &s->perm_mac.a, sizeof(s->perm_mac.a));
- VMW_CFPRN("MAC address set to: " VMXNET_MF, VMXNET_MA(s->conf.macaddr.a));
-}
-
-static void vmxnet3_deactivate_device(VMXNET3State *s)
-{
- if (s->device_active) {
- VMW_CBPRN("Deactivating vmxnet3...");
- vmxnet_tx_pkt_reset(s->tx_pkt);
- vmxnet_tx_pkt_uninit(s->tx_pkt);
- vmxnet_rx_pkt_uninit(s->rx_pkt);
- s->device_active = false;
- }
-}
-
-static void vmxnet3_reset(VMXNET3State *s)
-{
- VMW_CBPRN("Resetting vmxnet3...");
-
- vmxnet3_deactivate_device(s);
- vmxnet3_reset_interrupt_states(s);
- s->drv_shmem = 0;
- s->tx_sop = true;
- s->skip_current_tx_pkt = false;
-}
-
-static void vmxnet3_update_rx_mode(VMXNET3State *s)
-{
- s->rx_mode = VMXNET3_READ_DRV_SHARED32(s->drv_shmem,
- devRead.rxFilterConf.rxMode);
- VMW_CFPRN("RX mode: 0x%08X", s->rx_mode);
-}
-
-static void vmxnet3_update_vlan_filters(VMXNET3State *s)
-{
- int i;
-
- /* Copy configuration from shared memory */
- VMXNET3_READ_DRV_SHARED(s->drv_shmem,
- devRead.rxFilterConf.vfTable,
- s->vlan_table,
- sizeof(s->vlan_table));
-
- /* Invert byte order when needed */
- for (i = 0; i < ARRAY_SIZE(s->vlan_table); i++) {
- s->vlan_table[i] = le32_to_cpu(s->vlan_table[i]);
- }
-
- /* Dump configuration for debugging purposes */
- VMW_CFPRN("Configured VLANs:");
- for (i = 0; i < sizeof(s->vlan_table) * 8; i++) {
- if (VMXNET3_VFTABLE_ENTRY_IS_SET(s->vlan_table, i)) {
- VMW_CFPRN("\tVLAN %d is present", i);
- }
- }
-}
-
-static void vmxnet3_update_mcast_filters(VMXNET3State *s)
-{
- uint16_t list_bytes =
- VMXNET3_READ_DRV_SHARED16(s->drv_shmem,
- devRead.rxFilterConf.mfTableLen);
-
- s->mcast_list_len = list_bytes / sizeof(s->mcast_list[0]);
-
- s->mcast_list = g_realloc(s->mcast_list, list_bytes);
- if (!s->mcast_list) {
- if (s->mcast_list_len == 0) {
- VMW_CFPRN("Current multicast list is empty");
- } else {
- VMW_ERPRN("Failed to allocate multicast list of %d elements",
- s->mcast_list_len);
- }
- s->mcast_list_len = 0;
- } else {
- int i;
- hwaddr mcast_list_pa =
- VMXNET3_READ_DRV_SHARED64(s->drv_shmem,
- devRead.rxFilterConf.mfTablePA);
-
- cpu_physical_memory_read(mcast_list_pa, s->mcast_list, list_bytes);
- VMW_CFPRN("Current multicast list len is %d:", s->mcast_list_len);
- for (i = 0; i < s->mcast_list_len; i++) {
- VMW_CFPRN("\t" VMXNET_MF, VMXNET_MA(s->mcast_list[i].a));
- }
- }
-}
-
-static void vmxnet3_setup_rx_filtering(VMXNET3State *s)
-{
- vmxnet3_update_rx_mode(s);
- vmxnet3_update_vlan_filters(s);
- vmxnet3_update_mcast_filters(s);
-}
-
-static uint32_t vmxnet3_get_interrupt_config(VMXNET3State *s)
-{
- uint32_t interrupt_mode = VMXNET3_IT_AUTO | (VMXNET3_IMM_AUTO << 2);
- VMW_CFPRN("Interrupt config is 0x%X", interrupt_mode);
- return interrupt_mode;
-}
-
-static void vmxnet3_fill_stats(VMXNET3State *s)
-{
- int i;
-
- if (!s->device_active)
- return;
-
- for (i = 0; i < s->txq_num; i++) {
- cpu_physical_memory_write(s->txq_descr[i].tx_stats_pa,
- &s->txq_descr[i].txq_stats,
- sizeof(s->txq_descr[i].txq_stats));
- }
-
- for (i = 0; i < s->rxq_num; i++) {
- cpu_physical_memory_write(s->rxq_descr[i].rx_stats_pa,
- &s->rxq_descr[i].rxq_stats,
- sizeof(s->rxq_descr[i].rxq_stats));
- }
-}
-
-static void vmxnet3_adjust_by_guest_type(VMXNET3State *s)
-{
- struct Vmxnet3_GOSInfo gos;
-
- VMXNET3_READ_DRV_SHARED(s->drv_shmem, devRead.misc.driverInfo.gos,
- &gos, sizeof(gos));
- s->rx_packets_compound =
- (gos.gosType == VMXNET3_GOS_TYPE_WIN) ? false : true;
-
- VMW_CFPRN("Guest type specifics: RXCOMPOUND: %d", s->rx_packets_compound);
-}
-
-static void
-vmxnet3_dump_conf_descr(const char *name,
- struct Vmxnet3_VariableLenConfDesc *pm_descr)
-{
- VMW_CFPRN("%s descriptor dump: Version %u, Length %u",
- name, pm_descr->confVer, pm_descr->confLen);
-
-};
-
-static void vmxnet3_update_pm_state(VMXNET3State *s)
-{
- struct Vmxnet3_VariableLenConfDesc pm_descr;
-
- pm_descr.confLen =
- VMXNET3_READ_DRV_SHARED32(s->drv_shmem, devRead.pmConfDesc.confLen);
- pm_descr.confVer =
- VMXNET3_READ_DRV_SHARED32(s->drv_shmem, devRead.pmConfDesc.confVer);
- pm_descr.confPA =
- VMXNET3_READ_DRV_SHARED64(s->drv_shmem, devRead.pmConfDesc.confPA);
-
- vmxnet3_dump_conf_descr("PM State", &pm_descr);
-}
-
-static void vmxnet3_update_features(VMXNET3State *s)
-{
- uint32_t guest_features;
- int rxcso_supported;
-
- guest_features = VMXNET3_READ_DRV_SHARED32(s->drv_shmem,
- devRead.misc.uptFeatures);
-
- rxcso_supported = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_RXCSUM);
- s->rx_vlan_stripping = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_RXVLAN);
- s->lro_supported = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_LRO);
-
- VMW_CFPRN("Features configuration: LRO: %d, RXCSUM: %d, VLANSTRIP: %d",
- s->lro_supported, rxcso_supported,
- s->rx_vlan_stripping);
- if (s->peer_has_vhdr) {
- qemu_set_offload(qemu_get_queue(s->nic)->peer,
- rxcso_supported,
- s->lro_supported,
- s->lro_supported,
- 0,
- 0);
- }
-}
-
-static bool vmxnet3_verify_intx(VMXNET3State *s, int intx)
-{
- return s->msix_used || s->msi_used || (intx ==
- (pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1));
-}
-
-static void vmxnet3_validate_interrupt_idx(bool is_msix, int idx)
-{
- int max_ints = is_msix ? VMXNET3_MAX_INTRS : VMXNET3_MAX_NMSIX_INTRS;
- if (idx >= max_ints) {
- hw_error("Bad interrupt index: %d\n", idx);
- }
-}
-
-static void vmxnet3_validate_interrupts(VMXNET3State *s)
-{
- int i;
-
- VMW_CFPRN("Verifying event interrupt index (%d)", s->event_int_idx);
- vmxnet3_validate_interrupt_idx(s->msix_used, s->event_int_idx);
-
- for (i = 0; i < s->txq_num; i++) {
- int idx = s->txq_descr[i].intr_idx;
- VMW_CFPRN("Verifying TX queue %d interrupt index (%d)", i, idx);
- vmxnet3_validate_interrupt_idx(s->msix_used, idx);
- }
-
- for (i = 0; i < s->rxq_num; i++) {
- int idx = s->rxq_descr[i].intr_idx;
- VMW_CFPRN("Verifying RX queue %d interrupt index (%d)", i, idx);
- vmxnet3_validate_interrupt_idx(s->msix_used, idx);
- }
-}
-
-static void vmxnet3_validate_queues(VMXNET3State *s)
-{
- /*
- * txq_num and rxq_num are total number of queues
- * configured by guest. These numbers must not
- * exceed corresponding maximal values.
- */
-
- if (s->txq_num > VMXNET3_DEVICE_MAX_TX_QUEUES) {
- hw_error("Bad TX queues number: %d\n", s->txq_num);
- }
-
- if (s->rxq_num > VMXNET3_DEVICE_MAX_RX_QUEUES) {
- hw_error("Bad RX queues number: %d\n", s->rxq_num);
- }
-}
-
-static void vmxnet3_activate_device(VMXNET3State *s)
-{
- int i;
- static const uint32_t VMXNET3_DEF_TX_THRESHOLD = 1;
- hwaddr qdescr_table_pa;
- uint64_t pa;
- uint32_t size;
-
- /* Verify configuration consistency */
- if (!vmxnet3_verify_driver_magic(s->drv_shmem)) {
- VMW_ERPRN("Device configuration received from driver is invalid");
- return;
- }
-
- /* Verify if device is active */
- if (s->device_active) {
- VMW_CFPRN("Vmxnet3 device is active");
- return;
- }
-
- vmxnet3_adjust_by_guest_type(s);
- vmxnet3_update_features(s);
- vmxnet3_update_pm_state(s);
- vmxnet3_setup_rx_filtering(s);
- /* Cache fields from shared memory */
- s->mtu = VMXNET3_READ_DRV_SHARED32(s->drv_shmem, devRead.misc.mtu);
- VMW_CFPRN("MTU is %u", s->mtu);
-
- s->max_rx_frags =
- VMXNET3_READ_DRV_SHARED16(s->drv_shmem, devRead.misc.maxNumRxSG);
-
- if (s->max_rx_frags == 0) {
- s->max_rx_frags = 1;
- }
-
- VMW_CFPRN("Max RX fragments is %u", s->max_rx_frags);
-
- s->event_int_idx =
- VMXNET3_READ_DRV_SHARED8(s->drv_shmem, devRead.intrConf.eventIntrIdx);
- assert(vmxnet3_verify_intx(s, s->event_int_idx));
- VMW_CFPRN("Events interrupt line is %u", s->event_int_idx);
-
- s->auto_int_masking =
- VMXNET3_READ_DRV_SHARED8(s->drv_shmem, devRead.intrConf.autoMask);
- VMW_CFPRN("Automatic interrupt masking is %d", (int)s->auto_int_masking);
-
- s->txq_num =
- VMXNET3_READ_DRV_SHARED8(s->drv_shmem, devRead.misc.numTxQueues);
- s->rxq_num =
- VMXNET3_READ_DRV_SHARED8(s->drv_shmem, devRead.misc.numRxQueues);
-
- VMW_CFPRN("Number of TX/RX queues %u/%u", s->txq_num, s->rxq_num);
- vmxnet3_validate_queues(s);
-
- qdescr_table_pa =
- VMXNET3_READ_DRV_SHARED64(s->drv_shmem, devRead.misc.queueDescPA);
- VMW_CFPRN("TX queues descriptors table is at 0x%" PRIx64, qdescr_table_pa);
-
- /*
- * Worst-case scenario is a packet that holds all TX rings space so
- * we calculate total size of all TX rings for max TX fragments number
- */
- s->max_tx_frags = 0;
-
- /* TX queues */
- for (i = 0; i < s->txq_num; i++) {
- hwaddr qdescr_pa =
- qdescr_table_pa + i * sizeof(struct Vmxnet3_TxQueueDesc);
-
- /* Read interrupt number for this TX queue */
- s->txq_descr[i].intr_idx =
- VMXNET3_READ_TX_QUEUE_DESCR8(qdescr_pa, conf.intrIdx);
- assert(vmxnet3_verify_intx(s, s->txq_descr[i].intr_idx));
-
- VMW_CFPRN("TX Queue %d interrupt: %d", i, s->txq_descr[i].intr_idx);
-
- /* Read rings memory locations for TX queues */
- pa = VMXNET3_READ_TX_QUEUE_DESCR64(qdescr_pa, conf.txRingBasePA);
- size = VMXNET3_READ_TX_QUEUE_DESCR32(qdescr_pa, conf.txRingSize);
-
- vmxnet3_ring_init(&s->txq_descr[i].tx_ring, pa, size,
- sizeof(struct Vmxnet3_TxDesc), false);
- VMXNET3_RING_DUMP(VMW_CFPRN, "TX", i, &s->txq_descr[i].tx_ring);
-
- s->max_tx_frags += size;
-
- /* TXC ring */
- pa = VMXNET3_READ_TX_QUEUE_DESCR64(qdescr_pa, conf.compRingBasePA);
- size = VMXNET3_READ_TX_QUEUE_DESCR32(qdescr_pa, conf.compRingSize);
- vmxnet3_ring_init(&s->txq_descr[i].comp_ring, pa, size,
- sizeof(struct Vmxnet3_TxCompDesc), true);
- VMXNET3_RING_DUMP(VMW_CFPRN, "TXC", i, &s->txq_descr[i].comp_ring);
-
- s->txq_descr[i].tx_stats_pa =
- qdescr_pa + offsetof(struct Vmxnet3_TxQueueDesc, stats);
-
- memset(&s->txq_descr[i].txq_stats, 0,
- sizeof(s->txq_descr[i].txq_stats));
-
- /* Fill device-managed parameters for queues */
- VMXNET3_WRITE_TX_QUEUE_DESCR32(qdescr_pa,
- ctrl.txThreshold,
- VMXNET3_DEF_TX_THRESHOLD);
- }
-
- /* Preallocate TX packet wrapper */
- VMW_CFPRN("Max TX fragments is %u", s->max_tx_frags);
- vmxnet_tx_pkt_init(&s->tx_pkt, s->max_tx_frags, s->peer_has_vhdr);
- vmxnet_rx_pkt_init(&s->rx_pkt, s->peer_has_vhdr);
-
- /* Read rings memory locations for RX queues */
- for (i = 0; i < s->rxq_num; i++) {
- int j;
- hwaddr qd_pa =
- qdescr_table_pa + s->txq_num * sizeof(struct Vmxnet3_TxQueueDesc) +
- i * sizeof(struct Vmxnet3_RxQueueDesc);
-
- /* Read interrupt number for this RX queue */
- s->rxq_descr[i].intr_idx =
- VMXNET3_READ_TX_QUEUE_DESCR8(qd_pa, conf.intrIdx);
- assert(vmxnet3_verify_intx(s, s->rxq_descr[i].intr_idx));
-
- VMW_CFPRN("RX Queue %d interrupt: %d", i, s->rxq_descr[i].intr_idx);
-
- /* Read rings memory locations */
- for (j = 0; j < VMXNET3_RX_RINGS_PER_QUEUE; j++) {
- /* RX rings */
- pa = VMXNET3_READ_RX_QUEUE_DESCR64(qd_pa, conf.rxRingBasePA[j]);
- size = VMXNET3_READ_RX_QUEUE_DESCR32(qd_pa, conf.rxRingSize[j]);
- vmxnet3_ring_init(&s->rxq_descr[i].rx_ring[j], pa, size,
- sizeof(struct Vmxnet3_RxDesc), false);
- VMW_CFPRN("RX queue %d:%d: Base: %" PRIx64 ", Size: %d",
- i, j, pa, size);
- }
-
- /* RXC ring */
- pa = VMXNET3_READ_RX_QUEUE_DESCR64(qd_pa, conf.compRingBasePA);
- size = VMXNET3_READ_RX_QUEUE_DESCR32(qd_pa, conf.compRingSize);
- vmxnet3_ring_init(&s->rxq_descr[i].comp_ring, pa, size,
- sizeof(struct Vmxnet3_RxCompDesc), true);
- VMW_CFPRN("RXC queue %d: Base: %" PRIx64 ", Size: %d", i, pa, size);
-
- s->rxq_descr[i].rx_stats_pa =
- qd_pa + offsetof(struct Vmxnet3_RxQueueDesc, stats);
- memset(&s->rxq_descr[i].rxq_stats, 0,
- sizeof(s->rxq_descr[i].rxq_stats));
- }
-
- vmxnet3_validate_interrupts(s);
-
- /* Make sure everything is in place before device activation */
- smp_wmb();
-
- vmxnet3_reset_mac(s);
-
- s->device_active = true;
-}
-
-static void vmxnet3_handle_command(VMXNET3State *s, uint64_t cmd)
-{
- s->last_command = cmd;
-
- switch (cmd) {
- case VMXNET3_CMD_GET_PERM_MAC_HI:
- VMW_CBPRN("Set: Get upper part of permanent MAC");
- break;
-
- case VMXNET3_CMD_GET_PERM_MAC_LO:
- VMW_CBPRN("Set: Get lower part of permanent MAC");
- break;
-
- case VMXNET3_CMD_GET_STATS:
- VMW_CBPRN("Set: Get device statistics");
- vmxnet3_fill_stats(s);
- break;
-
- case VMXNET3_CMD_ACTIVATE_DEV:
- VMW_CBPRN("Set: Activating vmxnet3 device");
- vmxnet3_activate_device(s);
- break;
-
- case VMXNET3_CMD_UPDATE_RX_MODE:
- VMW_CBPRN("Set: Update rx mode");
- vmxnet3_update_rx_mode(s);
- break;
-
- case VMXNET3_CMD_UPDATE_VLAN_FILTERS:
- VMW_CBPRN("Set: Update VLAN filters");
- vmxnet3_update_vlan_filters(s);
- break;
-
- case VMXNET3_CMD_UPDATE_MAC_FILTERS:
- VMW_CBPRN("Set: Update MAC filters");
- vmxnet3_update_mcast_filters(s);
- break;
-
- case VMXNET3_CMD_UPDATE_FEATURE:
- VMW_CBPRN("Set: Update features");
- vmxnet3_update_features(s);
- break;
-
- case VMXNET3_CMD_UPDATE_PMCFG:
- VMW_CBPRN("Set: Update power management config");
- vmxnet3_update_pm_state(s);
- break;
-
- case VMXNET3_CMD_GET_LINK:
- VMW_CBPRN("Set: Get link");
- break;
-
- case VMXNET3_CMD_RESET_DEV:
- VMW_CBPRN("Set: Reset device");
- vmxnet3_reset(s);
- break;
-
- case VMXNET3_CMD_QUIESCE_DEV:
- VMW_CBPRN("Set: VMXNET3_CMD_QUIESCE_DEV - deactivate the device");
- vmxnet3_deactivate_device(s);
- break;
-
- case VMXNET3_CMD_GET_CONF_INTR:
- VMW_CBPRN("Set: VMXNET3_CMD_GET_CONF_INTR - interrupt configuration");
- break;
-
- case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO:
- VMW_CBPRN("Set: VMXNET3_CMD_GET_ADAPTIVE_RING_INFO - "
- "adaptive ring info flags");
- break;
-
- case VMXNET3_CMD_GET_DID_LO:
- VMW_CBPRN("Set: Get lower part of device ID");
- break;
-
- case VMXNET3_CMD_GET_DID_HI:
- VMW_CBPRN("Set: Get upper part of device ID");
- break;
-
- case VMXNET3_CMD_GET_DEV_EXTRA_INFO:
- VMW_CBPRN("Set: Get device extra info");
- break;
-
- default:
- VMW_CBPRN("Received unknown command: %" PRIx64, cmd);
- break;
- }
-}
-
-static uint64_t vmxnet3_get_command_status(VMXNET3State *s)
-{
- uint64_t ret;
-
- switch (s->last_command) {
- case VMXNET3_CMD_ACTIVATE_DEV:
- ret = (s->device_active) ? 0 : 1;
- VMW_CFPRN("Device active: %" PRIx64, ret);
- break;
-
- case VMXNET3_CMD_RESET_DEV:
- case VMXNET3_CMD_QUIESCE_DEV:
- case VMXNET3_CMD_GET_QUEUE_STATUS:
- case VMXNET3_CMD_GET_DEV_EXTRA_INFO:
- ret = 0;
- break;
-
- case VMXNET3_CMD_GET_LINK:
- ret = s->link_status_and_speed;
- VMW_CFPRN("Link and speed: %" PRIx64, ret);
- break;
-
- case VMXNET3_CMD_GET_PERM_MAC_LO:
- ret = vmxnet3_get_mac_low(&s->perm_mac);
- break;
-
- case VMXNET3_CMD_GET_PERM_MAC_HI:
- ret = vmxnet3_get_mac_high(&s->perm_mac);
- break;
-
- case VMXNET3_CMD_GET_CONF_INTR:
- ret = vmxnet3_get_interrupt_config(s);
- break;
-
- case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO:
- ret = VMXNET3_DISABLE_ADAPTIVE_RING;
- break;
-
- case VMXNET3_CMD_GET_DID_LO:
- ret = PCI_DEVICE_ID_VMWARE_VMXNET3;
- break;
-
- case VMXNET3_CMD_GET_DID_HI:
- ret = VMXNET3_DEVICE_REVISION;
- break;
-
- default:
- VMW_WRPRN("Received request for unknown command: %x", s->last_command);
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void vmxnet3_set_events(VMXNET3State *s, uint32_t val)
-{
- uint32_t events;
-
- VMW_CBPRN("Setting events: 0x%x", val);
- events = VMXNET3_READ_DRV_SHARED32(s->drv_shmem, ecr) | val;
- VMXNET3_WRITE_DRV_SHARED32(s->drv_shmem, ecr, events);
-}
-
-static void vmxnet3_ack_events(VMXNET3State *s, uint32_t val)
-{
- uint32_t events;
-
- VMW_CBPRN("Clearing events: 0x%x", val);
- events = VMXNET3_READ_DRV_SHARED32(s->drv_shmem, ecr) & ~val;
- VMXNET3_WRITE_DRV_SHARED32(s->drv_shmem, ecr, events);
-}
-
-static void
-vmxnet3_io_bar1_write(void *opaque,
- hwaddr addr,
- uint64_t val,
- unsigned size)
-{
- VMXNET3State *s = opaque;
-
- switch (addr) {
- /* Vmxnet3 Revision Report Selection */
- case VMXNET3_REG_VRRS:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_VRRS] = %" PRIx64 ", size %d",
- val, size);
- break;
-
- /* UPT Version Report Selection */
- case VMXNET3_REG_UVRS:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_UVRS] = %" PRIx64 ", size %d",
- val, size);
- break;
-
- /* Driver Shared Address Low */
- case VMXNET3_REG_DSAL:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_DSAL] = %" PRIx64 ", size %d",
- val, size);
- /*
- * Guest driver will first write the low part of the shared
- * memory address. We save it to temp variable and set the
- * shared address only after we get the high part
- */
- if (val == 0) {
- vmxnet3_deactivate_device(s);
- }
- s->temp_shared_guest_driver_memory = val;
- s->drv_shmem = 0;
- break;
-
- /* Driver Shared Address High */
- case VMXNET3_REG_DSAH:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_DSAH] = %" PRIx64 ", size %d",
- val, size);
- /*
- * Set the shared memory between guest driver and device.
- * We already should have low address part.
- */
- s->drv_shmem = s->temp_shared_guest_driver_memory | (val << 32);
- break;
-
- /* Command */
- case VMXNET3_REG_CMD:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_CMD] = %" PRIx64 ", size %d",
- val, size);
- vmxnet3_handle_command(s, val);
- break;
-
- /* MAC Address Low */
- case VMXNET3_REG_MACL:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_MACL] = %" PRIx64 ", size %d",
- val, size);
- s->temp_mac = val;
- break;
-
- /* MAC Address High */
- case VMXNET3_REG_MACH:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_MACH] = %" PRIx64 ", size %d",
- val, size);
- vmxnet3_set_variable_mac(s, val, s->temp_mac);
- break;
-
- /* Interrupt Cause Register */
- case VMXNET3_REG_ICR:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_ICR] = %" PRIx64 ", size %d",
- val, size);
- g_assert_not_reached();
- break;
-
- /* Event Cause Register */
- case VMXNET3_REG_ECR:
- VMW_CBPRN("Write BAR1 [VMXNET3_REG_ECR] = %" PRIx64 ", size %d",
- val, size);
- vmxnet3_ack_events(s, val);
- break;
-
- default:
- VMW_CBPRN("Unknown Write to BAR1 [%" PRIx64 "] = %" PRIx64 ", size %d",
- addr, val, size);
- break;
- }
-}
-
-static uint64_t
-vmxnet3_io_bar1_read(void *opaque, hwaddr addr, unsigned size)
-{
- VMXNET3State *s = opaque;
- uint64_t ret = 0;
-
- switch (addr) {
- /* Vmxnet3 Revision Report Selection */
- case VMXNET3_REG_VRRS:
- VMW_CBPRN("Read BAR1 [VMXNET3_REG_VRRS], size %d", size);
- ret = VMXNET3_DEVICE_REVISION;
- break;
-
- /* UPT Version Report Selection */
- case VMXNET3_REG_UVRS:
- VMW_CBPRN("Read BAR1 [VMXNET3_REG_UVRS], size %d", size);
- ret = VMXNET3_UPT_REVISION;
- break;
-
- /* Command */
- case VMXNET3_REG_CMD:
- VMW_CBPRN("Read BAR1 [VMXNET3_REG_CMD], size %d", size);
- ret = vmxnet3_get_command_status(s);
- break;
-
- /* MAC Address Low */
- case VMXNET3_REG_MACL:
- VMW_CBPRN("Read BAR1 [VMXNET3_REG_MACL], size %d", size);
- ret = vmxnet3_get_mac_low(&s->conf.macaddr);
- break;
-
- /* MAC Address High */
- case VMXNET3_REG_MACH:
- VMW_CBPRN("Read BAR1 [VMXNET3_REG_MACH], size %d", size);
- ret = vmxnet3_get_mac_high(&s->conf.macaddr);
- break;
-
- /*
- * Interrupt Cause Register
- * Used for legacy interrupts only so interrupt index always 0
- */
- case VMXNET3_REG_ICR:
- VMW_CBPRN("Read BAR1 [VMXNET3_REG_ICR], size %d", size);
- if (vmxnet3_interrupt_asserted(s, 0)) {
- vmxnet3_clear_interrupt(s, 0);
- ret = true;
- } else {
- ret = false;
- }
- break;
-
- default:
- VMW_CBPRN("Unknow read BAR1[%" PRIx64 "], %d bytes", addr, size);
- break;
- }
-
- return ret;
-}
-
-static int
-vmxnet3_can_receive(NetClientState *nc)
-{
- VMXNET3State *s = qemu_get_nic_opaque(nc);
- return s->device_active &&
- VMXNET_FLAG_IS_SET(s->link_status_and_speed, VMXNET3_LINK_STATUS_UP);
-}
-
-static inline bool
-vmxnet3_is_registered_vlan(VMXNET3State *s, const void *data)
-{
- uint16_t vlan_tag = eth_get_pkt_tci(data) & VLAN_VID_MASK;
- if (IS_SPECIAL_VLAN_ID(vlan_tag)) {
- return true;
- }
-
- return VMXNET3_VFTABLE_ENTRY_IS_SET(s->vlan_table, vlan_tag);
-}
-
-static bool
-vmxnet3_is_allowed_mcast_group(VMXNET3State *s, const uint8_t *group_mac)
-{
- int i;
- for (i = 0; i < s->mcast_list_len; i++) {
- if (!memcmp(group_mac, s->mcast_list[i].a, sizeof(s->mcast_list[i]))) {
- return true;
- }
- }
- return false;
-}
-
-static bool
-vmxnet3_rx_filter_may_indicate(VMXNET3State *s, const void *data,
- size_t size)
-{
- struct eth_header *ehdr = PKT_GET_ETH_HDR(data);
-
- if (VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_PROMISC)) {
- return true;
- }
-
- if (!vmxnet3_is_registered_vlan(s, data)) {
- return false;
- }
-
- switch (vmxnet_rx_pkt_get_packet_type(s->rx_pkt)) {
- case ETH_PKT_UCAST:
- if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_UCAST)) {
- return false;
- }
- if (memcmp(s->conf.macaddr.a, ehdr->h_dest, ETH_ALEN)) {
- return false;
- }
- break;
-
- case ETH_PKT_BCAST:
- if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_BCAST)) {
- return false;
- }
- break;
-
- case ETH_PKT_MCAST:
- if (VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_ALL_MULTI)) {
- return true;
- }
- if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_MCAST)) {
- return false;
- }
- if (!vmxnet3_is_allowed_mcast_group(s, ehdr->h_dest)) {
- return false;
- }
- break;
-
- default:
- g_assert_not_reached();
- }
-
- return true;
-}
-
-static ssize_t
-vmxnet3_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- VMXNET3State *s = qemu_get_nic_opaque(nc);
- size_t bytes_indicated;
- uint8_t min_buf[MIN_BUF_SIZE];
-
- if (!vmxnet3_can_receive(nc)) {
- VMW_PKPRN("Cannot receive now");
- return -1;
- }
-
- if (s->peer_has_vhdr) {
- vmxnet_rx_pkt_set_vhdr(s->rx_pkt, (struct virtio_net_hdr *)buf);
- buf += sizeof(struct virtio_net_hdr);
- size -= sizeof(struct virtio_net_hdr);
- }
-
- /* Pad to minimum Ethernet frame length */
- if (size < sizeof(min_buf)) {
- memcpy(min_buf, buf, size);
- memset(&min_buf[size], 0, sizeof(min_buf) - size);
- buf = min_buf;
- size = sizeof(min_buf);
- }
-
- vmxnet_rx_pkt_set_packet_type(s->rx_pkt,
- get_eth_packet_type(PKT_GET_ETH_HDR(buf)));
-
- if (vmxnet3_rx_filter_may_indicate(s, buf, size)) {
- vmxnet_rx_pkt_set_protocols(s->rx_pkt, buf, size);
- vmxnet3_rx_need_csum_calculate(s->rx_pkt, buf, size);
- vmxnet_rx_pkt_attach_data(s->rx_pkt, buf, size, s->rx_vlan_stripping);
- bytes_indicated = vmxnet3_indicate_packet(s) ? size : -1;
- if (bytes_indicated < size) {
- VMW_PKPRN("RX: %zu of %zu bytes indicated", bytes_indicated, size);
- }
- } else {
- VMW_PKPRN("Packet dropped by RX filter");
- bytes_indicated = size;
- }
-
- assert(size > 0);
- assert(bytes_indicated != 0);
- return bytes_indicated;
-}
-
-static void vmxnet3_set_link_status(NetClientState *nc)
-{
- VMXNET3State *s = qemu_get_nic_opaque(nc);
-
- if (nc->link_down) {
- s->link_status_and_speed &= ~VMXNET3_LINK_STATUS_UP;
- } else {
- s->link_status_and_speed |= VMXNET3_LINK_STATUS_UP;
- }
-
- vmxnet3_set_events(s, VMXNET3_ECR_LINK);
- vmxnet3_trigger_interrupt(s, s->event_int_idx);
-}
-
-static NetClientInfo net_vmxnet3_info = {
- .type = NET_CLIENT_OPTIONS_KIND_NIC,
- .size = sizeof(NICState),
- .receive = vmxnet3_receive,
- .link_status_changed = vmxnet3_set_link_status,
-};
-
-static bool vmxnet3_peer_has_vnet_hdr(VMXNET3State *s)
-{
- NetClientState *nc = qemu_get_queue(s->nic);
-
- if (qemu_has_vnet_hdr(nc->peer)) {
- return true;
- }
-
- return false;
-}
-
-static void vmxnet3_net_uninit(VMXNET3State *s)
-{
- g_free(s->mcast_list);
- vmxnet3_deactivate_device(s);
- qemu_del_nic(s->nic);
-}
-
-static void vmxnet3_net_init(VMXNET3State *s)
-{
- DeviceState *d = DEVICE(s);
-
- VMW_CBPRN("vmxnet3_net_init called...");
-
- qemu_macaddr_default_if_unset(&s->conf.macaddr);
-
- /* Windows guest will query the address that was set on init */
- memcpy(&s->perm_mac.a, &s->conf.macaddr.a, sizeof(s->perm_mac.a));
-
- s->mcast_list = NULL;
- s->mcast_list_len = 0;
-
- s->link_status_and_speed = VMXNET3_LINK_SPEED | VMXNET3_LINK_STATUS_UP;
-
- VMW_CFPRN("Permanent MAC: " VMXNET_MF, VMXNET_MA(s->perm_mac.a));
-
- s->nic = qemu_new_nic(&net_vmxnet3_info, &s->conf,
- object_get_typename(OBJECT(s)),
- d->id, s);
-
- s->peer_has_vhdr = vmxnet3_peer_has_vnet_hdr(s);
- s->tx_sop = true;
- s->skip_current_tx_pkt = false;
- s->tx_pkt = NULL;
- s->rx_pkt = NULL;
- s->rx_vlan_stripping = false;
- s->lro_supported = false;
-
- if (s->peer_has_vhdr) {
- qemu_set_vnet_hdr_len(qemu_get_queue(s->nic)->peer,
- sizeof(struct virtio_net_hdr));
-
- qemu_using_vnet_hdr(qemu_get_queue(s->nic)->peer, 1);
- }
-
- qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
-}
-
-static void
-vmxnet3_unuse_msix_vectors(VMXNET3State *s, int num_vectors)
-{
- PCIDevice *d = PCI_DEVICE(s);
- int i;
- for (i = 0; i < num_vectors; i++) {
- msix_vector_unuse(d, i);
- }
-}
-
-static bool
-vmxnet3_use_msix_vectors(VMXNET3State *s, int num_vectors)
-{
- PCIDevice *d = PCI_DEVICE(s);
- int i;
- for (i = 0; i < num_vectors; i++) {
- int res = msix_vector_use(d, i);
- if (0 > res) {
- VMW_WRPRN("Failed to use MSI-X vector %d, error %d", i, res);
- vmxnet3_unuse_msix_vectors(s, i);
- return false;
- }
- }
- return true;
-}
-
-static bool
-vmxnet3_init_msix(VMXNET3State *s)
-{
- PCIDevice *d = PCI_DEVICE(s);
- int res = msix_init(d, VMXNET3_MAX_INTRS,
- &s->msix_bar,
- VMXNET3_MSIX_BAR_IDX, VMXNET3_OFF_MSIX_TABLE,
- &s->msix_bar,
- VMXNET3_MSIX_BAR_IDX, VMXNET3_OFF_MSIX_PBA(s),
- VMXNET3_MSIX_OFFSET(s));
-
- if (0 > res) {
- VMW_WRPRN("Failed to initialize MSI-X, error %d", res);
- s->msix_used = false;
- } else {
- if (!vmxnet3_use_msix_vectors(s, VMXNET3_MAX_INTRS)) {
- VMW_WRPRN("Failed to use MSI-X vectors, error %d", res);
- msix_uninit(d, &s->msix_bar, &s->msix_bar);
- s->msix_used = false;
- } else {
- s->msix_used = true;
- }
- }
- return s->msix_used;
-}
-
-static void
-vmxnet3_cleanup_msix(VMXNET3State *s)
-{
- PCIDevice *d = PCI_DEVICE(s);
-
- if (s->msix_used) {
- vmxnet3_unuse_msix_vectors(s, VMXNET3_MAX_INTRS);
- msix_uninit(d, &s->msix_bar, &s->msix_bar);
- }
-}
-
-#define VMXNET3_USE_64BIT (true)
-#define VMXNET3_PER_VECTOR_MASK (false)
-
-static bool
-vmxnet3_init_msi(VMXNET3State *s)
-{
- PCIDevice *d = PCI_DEVICE(s);
- int res;
-
- res = msi_init(d, VMXNET3_MSI_OFFSET(s), VMXNET3_MAX_NMSIX_INTRS,
- VMXNET3_USE_64BIT, VMXNET3_PER_VECTOR_MASK);
- if (0 > res) {
- VMW_WRPRN("Failed to initialize MSI, error %d", res);
- s->msi_used = false;
- } else {
- s->msi_used = true;
- }
-
- return s->msi_used;
-}
-
-static void
-vmxnet3_cleanup_msi(VMXNET3State *s)
-{
- PCIDevice *d = PCI_DEVICE(s);
-
- if (s->msi_used) {
- msi_uninit(d);
- }
-}
-
-static void
-vmxnet3_msix_save(QEMUFile *f, void *opaque)
-{
- PCIDevice *d = PCI_DEVICE(opaque);
- msix_save(d, f);
-}
-
-static int
-vmxnet3_msix_load(QEMUFile *f, void *opaque, int version_id)
-{
- PCIDevice *d = PCI_DEVICE(opaque);
- msix_load(d, f);
- return 0;
-}
-
-static const MemoryRegionOps b0_ops = {
- .read = vmxnet3_io_bar0_read,
- .write = vmxnet3_io_bar0_write,
- .endianness = DEVICE_LITTLE_ENDIAN,
- .impl = {
- .min_access_size = 4,
- .max_access_size = 4,
- },
-};
-
-static const MemoryRegionOps b1_ops = {
- .read = vmxnet3_io_bar1_read,
- .write = vmxnet3_io_bar1_write,
- .endianness = DEVICE_LITTLE_ENDIAN,
- .impl = {
- .min_access_size = 4,
- .max_access_size = 4,
- },
-};
-
-static uint8_t *vmxnet3_device_serial_num(VMXNET3State *s)
-{
- static uint64_t dsn_payload;
- uint8_t *dsnp = (uint8_t *)&dsn_payload;
-
- dsnp[0] = 0xfe;
- dsnp[1] = s->conf.macaddr.a[3];
- dsnp[2] = s->conf.macaddr.a[4];
- dsnp[3] = s->conf.macaddr.a[5];
- dsnp[4] = s->conf.macaddr.a[0];
- dsnp[5] = s->conf.macaddr.a[1];
- dsnp[6] = s->conf.macaddr.a[2];
- dsnp[7] = 0xff;
- return dsnp;
-}
-
-static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp)
-{
- DeviceState *dev = DEVICE(pci_dev);
- VMXNET3State *s = VMXNET3(pci_dev);
-
- VMW_CBPRN("Starting init...");
-
- memory_region_init_io(&s->bar0, OBJECT(s), &b0_ops, s,
- "vmxnet3-b0", VMXNET3_PT_REG_SIZE);
- pci_register_bar(pci_dev, VMXNET3_BAR0_IDX,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
-
- memory_region_init_io(&s->bar1, OBJECT(s), &b1_ops, s,
- "vmxnet3-b1", VMXNET3_VD_REG_SIZE);
- pci_register_bar(pci_dev, VMXNET3_BAR1_IDX,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1);
-
- memory_region_init(&s->msix_bar, OBJECT(s), "vmxnet3-msix-bar",
- VMXNET3_MSIX_BAR_SIZE);
- pci_register_bar(pci_dev, VMXNET3_MSIX_BAR_IDX,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix_bar);
-
- vmxnet3_reset_interrupt_states(s);
-
- /* Interrupt pin A */
- pci_dev->config[PCI_INTERRUPT_PIN] = 0x01;
-
- if (!vmxnet3_init_msix(s)) {
- VMW_WRPRN("Failed to initialize MSI-X, configuration is inconsistent.");
- }
-
- if (!vmxnet3_init_msi(s)) {
- VMW_WRPRN("Failed to initialize MSI, configuration is inconsistent.");
- }
-
- vmxnet3_net_init(s);
-
- if (pci_is_express(pci_dev)) {
- if (pci_bus_is_express(pci_dev->bus)) {
- pcie_endpoint_cap_init(pci_dev, VMXNET3_EXP_EP_OFFSET);
- }
-
- pcie_add_capability(pci_dev, PCI_EXT_CAP_ID_DSN, 0x1,
- VMXNET3_DSN_OFFSET, PCI_EXT_CAP_DSN_SIZEOF);
- memcpy(pci_dev->config + VMXNET3_DSN_OFFSET + 4,
- vmxnet3_device_serial_num(s), sizeof(uint64_t));
- }
-
- register_savevm(dev, "vmxnet3-msix", -1, 1,
- vmxnet3_msix_save, vmxnet3_msix_load, s);
-}
-
-static void vmxnet3_instance_init(Object *obj)
-{
- VMXNET3State *s = VMXNET3(obj);
- device_add_bootindex_property(obj, &s->conf.bootindex,
- "bootindex", "/ethernet-phy@0",
- DEVICE(obj), NULL);
-}
-
-static void vmxnet3_pci_uninit(PCIDevice *pci_dev)
-{
- DeviceState *dev = DEVICE(pci_dev);
- VMXNET3State *s = VMXNET3(pci_dev);
-
- VMW_CBPRN("Starting uninit...");
-
- unregister_savevm(dev, "vmxnet3-msix", s);
-
- vmxnet3_net_uninit(s);
-
- vmxnet3_cleanup_msix(s);
-
- vmxnet3_cleanup_msi(s);
-}
-
-static void vmxnet3_qdev_reset(DeviceState *dev)
-{
- PCIDevice *d = PCI_DEVICE(dev);
- VMXNET3State *s = VMXNET3(d);
-
- VMW_CBPRN("Starting QDEV reset...");
- vmxnet3_reset(s);
-}
-
-static bool vmxnet3_mc_list_needed(void *opaque)
-{
- return true;
-}
-
-static int vmxnet3_mcast_list_pre_load(void *opaque)
-{
- VMXNET3State *s = opaque;
-
- s->mcast_list = g_malloc(s->mcast_list_buff_size);
-
- return 0;
-}
-
-
-static void vmxnet3_pre_save(void *opaque)
-{
- VMXNET3State *s = opaque;
-
- s->mcast_list_buff_size = s->mcast_list_len * sizeof(MACAddr);
-}
-
-static const VMStateDescription vmxstate_vmxnet3_mcast_list = {
- .name = "vmxnet3/mcast_list",
- .version_id = 1,
- .minimum_version_id = 1,
- .pre_load = vmxnet3_mcast_list_pre_load,
- .needed = vmxnet3_mc_list_needed,
- .fields = (VMStateField[]) {
- VMSTATE_VBUFFER_UINT32(mcast_list, VMXNET3State, 0, NULL, 0,
- mcast_list_buff_size),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void vmxnet3_get_ring_from_file(QEMUFile *f, Vmxnet3Ring *r)
-{
- r->pa = qemu_get_be64(f);
- r->size = qemu_get_be32(f);
- r->cell_size = qemu_get_be32(f);
- r->next = qemu_get_be32(f);
- r->gen = qemu_get_byte(f);
-}
-
-static void vmxnet3_put_ring_to_file(QEMUFile *f, Vmxnet3Ring *r)
-{
- qemu_put_be64(f, r->pa);
- qemu_put_be32(f, r->size);
- qemu_put_be32(f, r->cell_size);
- qemu_put_be32(f, r->next);
- qemu_put_byte(f, r->gen);
-}
-
-static void vmxnet3_get_tx_stats_from_file(QEMUFile *f,
- struct UPT1_TxStats *tx_stat)
-{
- tx_stat->TSOPktsTxOK = qemu_get_be64(f);
- tx_stat->TSOBytesTxOK = qemu_get_be64(f);
- tx_stat->ucastPktsTxOK = qemu_get_be64(f);
- tx_stat->ucastBytesTxOK = qemu_get_be64(f);
- tx_stat->mcastPktsTxOK = qemu_get_be64(f);
- tx_stat->mcastBytesTxOK = qemu_get_be64(f);
- tx_stat->bcastPktsTxOK = qemu_get_be64(f);
- tx_stat->bcastBytesTxOK = qemu_get_be64(f);
- tx_stat->pktsTxError = qemu_get_be64(f);
- tx_stat->pktsTxDiscard = qemu_get_be64(f);
-}
-
-static void vmxnet3_put_tx_stats_to_file(QEMUFile *f,
- struct UPT1_TxStats *tx_stat)
-{
- qemu_put_be64(f, tx_stat->TSOPktsTxOK);
- qemu_put_be64(f, tx_stat->TSOBytesTxOK);
- qemu_put_be64(f, tx_stat->ucastPktsTxOK);
- qemu_put_be64(f, tx_stat->ucastBytesTxOK);
- qemu_put_be64(f, tx_stat->mcastPktsTxOK);
- qemu_put_be64(f, tx_stat->mcastBytesTxOK);
- qemu_put_be64(f, tx_stat->bcastPktsTxOK);
- qemu_put_be64(f, tx_stat->bcastBytesTxOK);
- qemu_put_be64(f, tx_stat->pktsTxError);
- qemu_put_be64(f, tx_stat->pktsTxDiscard);
-}
-
-static int vmxnet3_get_txq_descr(QEMUFile *f, void *pv, size_t size)
-{
- Vmxnet3TxqDescr *r = pv;
-
- vmxnet3_get_ring_from_file(f, &r->tx_ring);
- vmxnet3_get_ring_from_file(f, &r->comp_ring);
- r->intr_idx = qemu_get_byte(f);
- r->tx_stats_pa = qemu_get_be64(f);
-
- vmxnet3_get_tx_stats_from_file(f, &r->txq_stats);
-
- return 0;
-}
-
-static void vmxnet3_put_txq_descr(QEMUFile *f, void *pv, size_t size)
-{
- Vmxnet3TxqDescr *r = pv;
-
- vmxnet3_put_ring_to_file(f, &r->tx_ring);
- vmxnet3_put_ring_to_file(f, &r->comp_ring);
- qemu_put_byte(f, r->intr_idx);
- qemu_put_be64(f, r->tx_stats_pa);
- vmxnet3_put_tx_stats_to_file(f, &r->txq_stats);
-}
-
-static const VMStateInfo txq_descr_info = {
- .name = "txq_descr",
- .get = vmxnet3_get_txq_descr,
- .put = vmxnet3_put_txq_descr
-};
-
-static void vmxnet3_get_rx_stats_from_file(QEMUFile *f,
- struct UPT1_RxStats *rx_stat)
-{
- rx_stat->LROPktsRxOK = qemu_get_be64(f);
- rx_stat->LROBytesRxOK = qemu_get_be64(f);
- rx_stat->ucastPktsRxOK = qemu_get_be64(f);
- rx_stat->ucastBytesRxOK = qemu_get_be64(f);
- rx_stat->mcastPktsRxOK = qemu_get_be64(f);
- rx_stat->mcastBytesRxOK = qemu_get_be64(f);
- rx_stat->bcastPktsRxOK = qemu_get_be64(f);
- rx_stat->bcastBytesRxOK = qemu_get_be64(f);
- rx_stat->pktsRxOutOfBuf = qemu_get_be64(f);
- rx_stat->pktsRxError = qemu_get_be64(f);
-}
-
-static void vmxnet3_put_rx_stats_to_file(QEMUFile *f,
- struct UPT1_RxStats *rx_stat)
-{
- qemu_put_be64(f, rx_stat->LROPktsRxOK);
- qemu_put_be64(f, rx_stat->LROBytesRxOK);
- qemu_put_be64(f, rx_stat->ucastPktsRxOK);
- qemu_put_be64(f, rx_stat->ucastBytesRxOK);
- qemu_put_be64(f, rx_stat->mcastPktsRxOK);
- qemu_put_be64(f, rx_stat->mcastBytesRxOK);
- qemu_put_be64(f, rx_stat->bcastPktsRxOK);
- qemu_put_be64(f, rx_stat->bcastBytesRxOK);
- qemu_put_be64(f, rx_stat->pktsRxOutOfBuf);
- qemu_put_be64(f, rx_stat->pktsRxError);
-}
-
-static int vmxnet3_get_rxq_descr(QEMUFile *f, void *pv, size_t size)
-{
- Vmxnet3RxqDescr *r = pv;
- int i;
-
- for (i = 0; i < VMXNET3_RX_RINGS_PER_QUEUE; i++) {
- vmxnet3_get_ring_from_file(f, &r->rx_ring[i]);
- }
-
- vmxnet3_get_ring_from_file(f, &r->comp_ring);
- r->intr_idx = qemu_get_byte(f);
- r->rx_stats_pa = qemu_get_be64(f);
-
- vmxnet3_get_rx_stats_from_file(f, &r->rxq_stats);
-
- return 0;
-}
-
-static void vmxnet3_put_rxq_descr(QEMUFile *f, void *pv, size_t size)
-{
- Vmxnet3RxqDescr *r = pv;
- int i;
-
- for (i = 0; i < VMXNET3_RX_RINGS_PER_QUEUE; i++) {
- vmxnet3_put_ring_to_file(f, &r->rx_ring[i]);
- }
-
- vmxnet3_put_ring_to_file(f, &r->comp_ring);
- qemu_put_byte(f, r->intr_idx);
- qemu_put_be64(f, r->rx_stats_pa);
- vmxnet3_put_rx_stats_to_file(f, &r->rxq_stats);
-}
-
-static int vmxnet3_post_load(void *opaque, int version_id)
-{
- VMXNET3State *s = opaque;
- PCIDevice *d = PCI_DEVICE(s);
-
- vmxnet_tx_pkt_init(&s->tx_pkt, s->max_tx_frags, s->peer_has_vhdr);
- vmxnet_rx_pkt_init(&s->rx_pkt, s->peer_has_vhdr);
-
- if (s->msix_used) {
- if (!vmxnet3_use_msix_vectors(s, VMXNET3_MAX_INTRS)) {
- VMW_WRPRN("Failed to re-use MSI-X vectors");
- msix_uninit(d, &s->msix_bar, &s->msix_bar);
- s->msix_used = false;
- return -1;
- }
- }
-
- vmxnet3_validate_queues(s);
- vmxnet3_validate_interrupts(s);
-
- return 0;
-}
-
-static const VMStateInfo rxq_descr_info = {
- .name = "rxq_descr",
- .get = vmxnet3_get_rxq_descr,
- .put = vmxnet3_put_rxq_descr
-};
-
-static int vmxnet3_get_int_state(QEMUFile *f, void *pv, size_t size)
-{
- Vmxnet3IntState *r = pv;
-
- r->is_masked = qemu_get_byte(f);
- r->is_pending = qemu_get_byte(f);
- r->is_asserted = qemu_get_byte(f);
-
- return 0;
-}
-
-static void vmxnet3_put_int_state(QEMUFile *f, void *pv, size_t size)
-{
- Vmxnet3IntState *r = pv;
-
- qemu_put_byte(f, r->is_masked);
- qemu_put_byte(f, r->is_pending);
- qemu_put_byte(f, r->is_asserted);
-}
-
-static const VMStateInfo int_state_info = {
- .name = "int_state",
- .get = vmxnet3_get_int_state,
- .put = vmxnet3_put_int_state
-};
-
-static bool vmxnet3_vmstate_need_pcie_device(void *opaque)
-{
- VMXNET3State *s = VMXNET3(opaque);
-
- return !(s->compat_flags & VMXNET3_COMPAT_FLAG_DISABLE_PCIE);
-}
-
-static bool vmxnet3_vmstate_test_pci_device(void *opaque, int version_id)
-{
- return !vmxnet3_vmstate_need_pcie_device(opaque);
-}
-
-static const VMStateDescription vmstate_vmxnet3_pcie_device = {
- .name = "vmxnet3/pcie",
- .version_id = 1,
- .minimum_version_id = 1,
- .needed = vmxnet3_vmstate_need_pcie_device,
- .fields = (VMStateField[]) {
- VMSTATE_PCIE_DEVICE(parent_obj, VMXNET3State),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static const VMStateDescription vmstate_vmxnet3 = {
- .name = "vmxnet3",
- .version_id = 1,
- .minimum_version_id = 1,
- .pre_save = vmxnet3_pre_save,
- .post_load = vmxnet3_post_load,
- .fields = (VMStateField[]) {
- VMSTATE_STRUCT_TEST(parent_obj, VMXNET3State,
- vmxnet3_vmstate_test_pci_device, 0,
- vmstate_pci_device, PCIDevice),
- VMSTATE_BOOL(rx_packets_compound, VMXNET3State),
- VMSTATE_BOOL(rx_vlan_stripping, VMXNET3State),
- VMSTATE_BOOL(lro_supported, VMXNET3State),
- VMSTATE_UINT32(rx_mode, VMXNET3State),
- VMSTATE_UINT32(mcast_list_len, VMXNET3State),
- VMSTATE_UINT32(mcast_list_buff_size, VMXNET3State),
- VMSTATE_UINT32_ARRAY(vlan_table, VMXNET3State, VMXNET3_VFT_SIZE),
- VMSTATE_UINT32(mtu, VMXNET3State),
- VMSTATE_UINT16(max_rx_frags, VMXNET3State),
- VMSTATE_UINT32(max_tx_frags, VMXNET3State),
- VMSTATE_UINT8(event_int_idx, VMXNET3State),
- VMSTATE_BOOL(auto_int_masking, VMXNET3State),
- VMSTATE_UINT8(txq_num, VMXNET3State),
- VMSTATE_UINT8(rxq_num, VMXNET3State),
- VMSTATE_UINT32(device_active, VMXNET3State),
- VMSTATE_UINT32(last_command, VMXNET3State),
- VMSTATE_UINT32(link_status_and_speed, VMXNET3State),
- VMSTATE_UINT32(temp_mac, VMXNET3State),
- VMSTATE_UINT64(drv_shmem, VMXNET3State),
- VMSTATE_UINT64(temp_shared_guest_driver_memory, VMXNET3State),
-
- VMSTATE_ARRAY(txq_descr, VMXNET3State,
- VMXNET3_DEVICE_MAX_TX_QUEUES, 0, txq_descr_info,
- Vmxnet3TxqDescr),
- VMSTATE_ARRAY(rxq_descr, VMXNET3State,
- VMXNET3_DEVICE_MAX_RX_QUEUES, 0, rxq_descr_info,
- Vmxnet3RxqDescr),
- VMSTATE_ARRAY(interrupt_states, VMXNET3State, VMXNET3_MAX_INTRS,
- 0, int_state_info, Vmxnet3IntState),
-
- VMSTATE_END_OF_LIST()
- },
- .subsections = (const VMStateDescription*[]) {
- &vmxstate_vmxnet3_mcast_list,
- &vmstate_vmxnet3_pcie_device,
- NULL
- }
-};
-
-static Property vmxnet3_properties[] = {
- DEFINE_NIC_PROPERTIES(VMXNET3State, conf),
- DEFINE_PROP_BIT("x-old-msi-offsets", VMXNET3State, compat_flags,
- VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT, false),
- DEFINE_PROP_BIT("x-disable-pcie", VMXNET3State, compat_flags,
- VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT, false),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void vmxnet3_realize(DeviceState *qdev, Error **errp)
-{
- VMXNET3Class *vc = VMXNET3_DEVICE_GET_CLASS(qdev);
- PCIDevice *pci_dev = PCI_DEVICE(qdev);
- VMXNET3State *s = VMXNET3(qdev);
-
- if (!(s->compat_flags & VMXNET3_COMPAT_FLAG_DISABLE_PCIE)) {
- pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS;
- }
-
- vc->parent_dc_realize(qdev, errp);
-}
-
-static void vmxnet3_class_init(ObjectClass *class, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(class);
- PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
- VMXNET3Class *vc = VMXNET3_DEVICE_CLASS(class);
-
- c->realize = vmxnet3_pci_realize;
- c->exit = vmxnet3_pci_uninit;
- c->vendor_id = PCI_VENDOR_ID_VMWARE;
- c->device_id = PCI_DEVICE_ID_VMWARE_VMXNET3;
- c->revision = PCI_DEVICE_ID_VMWARE_VMXNET3_REVISION;
- c->class_id = PCI_CLASS_NETWORK_ETHERNET;
- c->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE;
- c->subsystem_id = PCI_DEVICE_ID_VMWARE_VMXNET3;
- vc->parent_dc_realize = dc->realize;
- dc->realize = vmxnet3_realize;
- dc->desc = "VMWare Paravirtualized Ethernet v3";
- dc->reset = vmxnet3_qdev_reset;
- dc->vmsd = &vmstate_vmxnet3;
- dc->props = vmxnet3_properties;
- set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
-}
-
-static const TypeInfo vmxnet3_info = {
- .name = TYPE_VMXNET3,
- .parent = TYPE_PCI_DEVICE,
- .class_size = sizeof(VMXNET3Class),
- .instance_size = sizeof(VMXNET3State),
- .class_init = vmxnet3_class_init,
- .instance_init = vmxnet3_instance_init,
-};
-
-static void vmxnet3_register_types(void)
-{
- VMW_CBPRN("vmxnet3_register_types called...");
- type_register_static(&vmxnet3_info);
-}
-
-type_init(vmxnet3_register_types)
--
cgit