[qemu.git] / hw / net / vmxnet3_defs.h

/*
 * 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 <[email protected]>
 * Tamir Shomer <[email protected]>
 * Yan Vugenfirer <[email protected]>
 *
 * This work is licensed under the terms of the GNU GPL, version 2.
 * See the COPYING file in the top-level directory.
 *
 */

#include "net/net.h"
#include "hw/net/vmxnet3.h"

#define TYPE_VMXNET3 "vmxnet3"
#define VMXNET3(obj) OBJECT_CHECK(VMXNET3State, (obj), TYPE_VMXNET3)

/* Device state and helper functions */
#define VMXNET3_RX_RINGS_PER_QUEUE (2)

/* Cyclic ring abstraction */
typedef struct {
    hwaddr pa;
    uint32_t size;
    uint32_t cell_size;
    uint32_t next;
    uint8_t gen;
} Vmxnet3Ring;

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;
        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 NetTxPkt *tx_pkt;
        uint32_t offload_mode;
        uint32_t cso_or_gso_size;
        uint16_t tci;
        bool needs_vlan;

        struct NetRxPkt *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. */

        /* Compatibility flags for migration */
        uint32_t compat_flags;
} VMXNET3State;
Commit	Line	Data
317639aa YS	1	/*
	2	* QEMU VMWARE VMXNET3 paravirtual NIC
	3	*
	4	* Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
	5	*
	6	* Developed by Daynix Computing LTD (http://www.daynix.com)
	7	*
	8	* Authors:
	9	* Dmitry Fleytman <[email protected]>
	10	* Tamir Shomer <[email protected]>
	11	* Yan Vugenfirer <[email protected]>
	12	*
	13	* This work is licensed under the terms of the GNU GPL, version 2.
	14	* See the COPYING file in the top-level directory.
	15	*
	16	*/
	17
	18	#include "net/net.h"
	19	#include "hw/net/vmxnet3.h"
	20
	21	#define TYPE_VMXNET3 "vmxnet3"
	22	#define VMXNET3(obj) OBJECT_CHECK(VMXNET3State, (obj), TYPE_VMXNET3)
	23
	24	/* Device state and helper functions */
	25	#define VMXNET3_RX_RINGS_PER_QUEUE (2)
	26
	27	/* Cyclic ring abstraction */
	28	typedef struct {
	29	hwaddr pa;
	30	uint32_t size;
	31	uint32_t cell_size;
	32	uint32_t next;
	33	uint8_t gen;
	34	} Vmxnet3Ring;
	35
	36	typedef struct {
	37	Vmxnet3Ring tx_ring;
	38	Vmxnet3Ring comp_ring;
	39
	40	uint8_t intr_idx;
	41	hwaddr tx_stats_pa;
	42	struct UPT1_TxStats txq_stats;
	43	} Vmxnet3TxqDescr;
	44
	45	typedef struct {
	46	Vmxnet3Ring rx_ring[VMXNET3_RX_RINGS_PER_QUEUE];
	47	Vmxnet3Ring comp_ring;
	48	uint8_t intr_idx;
	49	hwaddr rx_stats_pa;
	50	struct UPT1_RxStats rxq_stats;
	51	} Vmxnet3RxqDescr;
	52
	53	typedef struct {
	54	bool is_masked;
	55	bool is_pending;
	56	bool is_asserted;
	57	} Vmxnet3IntState;
	58
	59	typedef struct {
	60	PCIDevice parent_obj;
	61	NICState *nic;
	62	NICConf conf;
	63	MemoryRegion bar0;
	64	MemoryRegion bar1;
65	MemoryRegion msix_bar;
66
67	Vmxnet3RxqDescr rxq_descr[VMXNET3_DEVICE_MAX_RX_QUEUES];
68	Vmxnet3TxqDescr txq_descr[VMXNET3_DEVICE_MAX_TX_QUEUES];
69
70	/* Whether MSI-X support was installed successfully */
71	bool msix_used;
72	hwaddr drv_shmem;
73	hwaddr temp_shared_guest_driver_memory;
74
75	uint8_t txq_num;
76
77	/* This boolean tells whether RX packet being indicated has to */
78	/* be split into head and body chunks from different RX rings */
79	bool rx_packets_compound;
80
81	bool rx_vlan_stripping;
82	bool lro_supported;
83
84	uint8_t rxq_num;
85
86	/* Network MTU */
87	uint32_t mtu;
88
89	/* Maximum number of fragments for indicated TX packets */
90	uint32_t max_tx_frags;
91
92	/* Maximum number of fragments for indicated RX packets */
93	uint16_t max_rx_frags;
94
95	/* Index for events interrupt */
96	uint8_t event_int_idx;
97
98	/* Whether automatic interrupts masking enabled */
99	bool auto_int_masking;
100
101	bool peer_has_vhdr;
102
103	/* TX packets to QEMU interface */
104	struct NetTxPkt *tx_pkt;
105	uint32_t offload_mode;
106	uint32_t cso_or_gso_size;
107	uint16_t tci;
108	bool needs_vlan;
109
110	struct NetRxPkt *rx_pkt;
111
112	bool tx_sop;
113	bool skip_current_tx_pkt;
114
115	uint32_t device_active;
116	uint32_t last_command;
117
118	uint32_t link_status_and_speed;
119
120	Vmxnet3IntState interrupt_states[VMXNET3_MAX_INTRS];
121
122	uint32_t temp_mac; /* To store the low part first */
123
124	MACAddr perm_mac;
125	uint32_t vlan_table[VMXNET3_VFT_SIZE];
126	uint32_t rx_mode;
127	MACAddr *mcast_list;
128	uint32_t mcast_list_len;
129	uint32_t mcast_list_buff_size; /* needed for live migration. */
130
131	/* Compatibility flags for migration */
132	uint32_t compat_flags;
133	} VMXNET3State;