ef5baf3486
There is a common macro __rte_packed for packing structs, which is now used where appropriate for consistency. Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
383 lines
11 KiB
C
383 lines
11 KiB
C
/* SPDX-License-Identifier: (BSD-3-Clause OR LGPL-2.1)
|
|
* Copyright(c) 2010-2013 Intel Corporation.
|
|
* Copyright(c) 2014-2017 Wind River Systems, Inc.
|
|
*/
|
|
|
|
#ifndef _RTE_AVP_COMMON_H_
|
|
#define _RTE_AVP_COMMON_H_
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/if.h>
|
|
#define RTE_STD_C11
|
|
#else
|
|
#include <stdint.h>
|
|
#include <rte_common.h>
|
|
#include <rte_config.h>
|
|
#include <rte_memory.h>
|
|
#include <rte_ether.h>
|
|
#include <rte_atomic.h>
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* AVP name is part of network device name.
|
|
*/
|
|
#define RTE_AVP_NAMESIZE 32
|
|
|
|
/**
|
|
* AVP alias is a user-defined value used for lookups from secondary
|
|
* processes. Typically, this is a UUID.
|
|
*/
|
|
#define RTE_AVP_ALIASSIZE 128
|
|
|
|
/*
|
|
* Request id.
|
|
*/
|
|
enum rte_avp_req_id {
|
|
RTE_AVP_REQ_UNKNOWN = 0,
|
|
RTE_AVP_REQ_CHANGE_MTU,
|
|
RTE_AVP_REQ_CFG_NETWORK_IF,
|
|
RTE_AVP_REQ_CFG_DEVICE,
|
|
RTE_AVP_REQ_SHUTDOWN_DEVICE,
|
|
RTE_AVP_REQ_MAX,
|
|
};
|
|
|
|
/**@{ AVP device driver types */
|
|
#define RTE_AVP_DRIVER_TYPE_UNKNOWN 0
|
|
#define RTE_AVP_DRIVER_TYPE_DPDK 1
|
|
#define RTE_AVP_DRIVER_TYPE_KERNEL 2
|
|
#define RTE_AVP_DRIVER_TYPE_QEMU 3
|
|
/**@} */
|
|
|
|
/**@{ AVP device operational modes */
|
|
#define RTE_AVP_MODE_HOST 0 /**< AVP interface created in host */
|
|
#define RTE_AVP_MODE_GUEST 1 /**< AVP interface created for export to guest */
|
|
#define RTE_AVP_MODE_TRACE 2 /**< AVP interface created for packet tracing */
|
|
/**@} */
|
|
|
|
/*
|
|
* Structure for AVP queue configuration query request/result
|
|
*/
|
|
struct rte_avp_device_config {
|
|
uint64_t device_id; /**< Unique system identifier */
|
|
uint32_t driver_type; /**< Device Driver type */
|
|
uint32_t driver_version; /**< Device Driver version */
|
|
uint32_t features; /**< Negotiated features */
|
|
uint16_t num_tx_queues; /**< Number of active transmit queues */
|
|
uint16_t num_rx_queues; /**< Number of active receive queues */
|
|
uint8_t if_up; /**< 1: interface up, 0: interface down */
|
|
} __rte_packed;
|
|
|
|
/*
|
|
* Structure for AVP request.
|
|
*/
|
|
struct rte_avp_request {
|
|
uint32_t req_id; /**< Request id */
|
|
RTE_STD_C11
|
|
union {
|
|
uint32_t new_mtu; /**< New MTU */
|
|
uint8_t if_up; /**< 1: interface up, 0: interface down */
|
|
struct rte_avp_device_config config; /**< Queue configuration */
|
|
};
|
|
int32_t result; /**< Result for processing request */
|
|
} __rte_packed;
|
|
|
|
/*
|
|
* FIFO struct mapped in a shared memory. It describes a circular buffer FIFO
|
|
* Write and read should wrap around. FIFO is empty when write == read
|
|
* Writing should never overwrite the read position
|
|
*/
|
|
struct rte_avp_fifo {
|
|
volatile unsigned int write; /**< Next position to be written*/
|
|
volatile unsigned int read; /**< Next position to be read */
|
|
unsigned int len; /**< Circular buffer length */
|
|
unsigned int elem_size; /**< Pointer size - for 32/64 bit OS */
|
|
void *volatile buffer[]; /**< The buffer contains mbuf pointers */
|
|
};
|
|
|
|
|
|
/*
|
|
* AVP packet buffer header used to define the exchange of packet data.
|
|
*/
|
|
struct rte_avp_desc {
|
|
uint64_t pad0;
|
|
void *pkt_mbuf; /**< Reference to packet mbuf */
|
|
uint8_t pad1[14];
|
|
uint16_t ol_flags; /**< Offload features. */
|
|
void *next; /**< Reference to next buffer in chain */
|
|
void *data; /**< Start address of data in segment buffer. */
|
|
uint16_t data_len; /**< Amount of data in segment buffer. */
|
|
uint8_t nb_segs; /**< Number of segments */
|
|
uint8_t pad2;
|
|
uint16_t pkt_len; /**< Total pkt len: sum of all segment data_len. */
|
|
uint32_t pad3;
|
|
uint16_t vlan_tci; /**< VLAN Tag Control Identifier (CPU order). */
|
|
uint32_t pad4;
|
|
} __rte_packed __rte_cache_aligned;
|
|
|
|
|
|
/**{ AVP device features */
|
|
#define RTE_AVP_FEATURE_VLAN_OFFLOAD (1 << 0) /**< Emulated HW VLAN offload */
|
|
/**@} */
|
|
|
|
|
|
/**@{ Offload feature flags */
|
|
#define RTE_AVP_TX_VLAN_PKT 0x0001 /**< TX packet is a 802.1q VLAN packet. */
|
|
#define RTE_AVP_RX_VLAN_PKT 0x0800 /**< RX packet is a 802.1q VLAN packet. */
|
|
/**@} */
|
|
|
|
|
|
/**@{ AVP PCI identifiers */
|
|
#define RTE_AVP_PCI_VENDOR_ID 0x1af4
|
|
#define RTE_AVP_PCI_DEVICE_ID 0x1110
|
|
/**@} */
|
|
|
|
/**@{ AVP PCI subsystem identifiers */
|
|
#define RTE_AVP_PCI_SUB_VENDOR_ID RTE_AVP_PCI_VENDOR_ID
|
|
#define RTE_AVP_PCI_SUB_DEVICE_ID 0x1104
|
|
/**@} */
|
|
|
|
/**@{ AVP PCI BAR definitions */
|
|
#define RTE_AVP_PCI_MMIO_BAR 0
|
|
#define RTE_AVP_PCI_MSIX_BAR 1
|
|
#define RTE_AVP_PCI_MEMORY_BAR 2
|
|
#define RTE_AVP_PCI_MEMMAP_BAR 4
|
|
#define RTE_AVP_PCI_DEVICE_BAR 5
|
|
#define RTE_AVP_PCI_MAX_BAR 6
|
|
/**@} */
|
|
|
|
/**@{ AVP PCI BAR name definitions */
|
|
#define RTE_AVP_MMIO_BAR_NAME "avp-mmio"
|
|
#define RTE_AVP_MSIX_BAR_NAME "avp-msix"
|
|
#define RTE_AVP_MEMORY_BAR_NAME "avp-memory"
|
|
#define RTE_AVP_MEMMAP_BAR_NAME "avp-memmap"
|
|
#define RTE_AVP_DEVICE_BAR_NAME "avp-device"
|
|
/**@} */
|
|
|
|
/**@{ AVP PCI MSI-X vectors */
|
|
#define RTE_AVP_MIGRATION_MSIX_VECTOR 0 /**< Migration interrupts */
|
|
#define RTE_AVP_MAX_MSIX_VECTORS 1
|
|
/**@} */
|
|
|
|
/**@} AVP Migration status/ack register values */
|
|
#define RTE_AVP_MIGRATION_NONE 0 /**< Migration never executed */
|
|
#define RTE_AVP_MIGRATION_DETACHED 1 /**< Device attached during migration */
|
|
#define RTE_AVP_MIGRATION_ATTACHED 2 /**< Device reattached during migration */
|
|
#define RTE_AVP_MIGRATION_ERROR 3 /**< Device failed to attach/detach */
|
|
/**@} */
|
|
|
|
/**@} AVP MMIO Register Offsets */
|
|
#define RTE_AVP_REGISTER_BASE 0
|
|
#define RTE_AVP_INTERRUPT_MASK_OFFSET (RTE_AVP_REGISTER_BASE + 0)
|
|
#define RTE_AVP_INTERRUPT_STATUS_OFFSET (RTE_AVP_REGISTER_BASE + 4)
|
|
#define RTE_AVP_MIGRATION_STATUS_OFFSET (RTE_AVP_REGISTER_BASE + 8)
|
|
#define RTE_AVP_MIGRATION_ACK_OFFSET (RTE_AVP_REGISTER_BASE + 12)
|
|
/**@} */
|
|
|
|
/**@} AVP Interrupt Status Mask */
|
|
#define RTE_AVP_MIGRATION_INTERRUPT_MASK (1 << 1)
|
|
#define RTE_AVP_APP_INTERRUPTS_MASK 0xFFFFFFFF
|
|
#define RTE_AVP_NO_INTERRUPTS_MASK 0
|
|
/**@} */
|
|
|
|
/*
|
|
* Maximum number of memory regions to export
|
|
*/
|
|
#define RTE_AVP_MAX_MAPS 2048
|
|
|
|
/*
|
|
* Description of a single memory region
|
|
*/
|
|
struct rte_avp_memmap {
|
|
void *addr;
|
|
rte_iova_t phys_addr;
|
|
uint64_t length;
|
|
};
|
|
|
|
/*
|
|
* AVP memory mapping validation marker
|
|
*/
|
|
#define RTE_AVP_MEMMAP_MAGIC 0x20131969
|
|
|
|
/**@{ AVP memory map versions */
|
|
#define RTE_AVP_MEMMAP_VERSION_1 1
|
|
#define RTE_AVP_MEMMAP_VERSION RTE_AVP_MEMMAP_VERSION_1
|
|
/**@} */
|
|
|
|
/*
|
|
* Defines a list of memory regions exported from the host to the guest
|
|
*/
|
|
struct rte_avp_memmap_info {
|
|
uint32_t magic; /**< Memory validation marker */
|
|
uint32_t version; /**< Data format version */
|
|
uint32_t nb_maps;
|
|
struct rte_avp_memmap maps[RTE_AVP_MAX_MAPS];
|
|
};
|
|
|
|
/*
|
|
* AVP device memory validation marker
|
|
*/
|
|
#define RTE_AVP_DEVICE_MAGIC 0x20131975
|
|
|
|
/**@{ AVP device map versions
|
|
* WARNING: do not change the format or names of these variables. They are
|
|
* automatically parsed from the build system to generate the SDK package
|
|
* name.
|
|
**/
|
|
#define RTE_AVP_RELEASE_VERSION_1 1
|
|
#define RTE_AVP_RELEASE_VERSION RTE_AVP_RELEASE_VERSION_1
|
|
#define RTE_AVP_MAJOR_VERSION_0 0
|
|
#define RTE_AVP_MAJOR_VERSION_1 1
|
|
#define RTE_AVP_MAJOR_VERSION_2 2
|
|
#define RTE_AVP_MAJOR_VERSION RTE_AVP_MAJOR_VERSION_2
|
|
#define RTE_AVP_MINOR_VERSION_0 0
|
|
#define RTE_AVP_MINOR_VERSION_1 1
|
|
#define RTE_AVP_MINOR_VERSION_13 13
|
|
#define RTE_AVP_MINOR_VERSION RTE_AVP_MINOR_VERSION_13
|
|
/**@} */
|
|
|
|
|
|
/**
|
|
* Generates a 32-bit version number from the specified version number
|
|
* components
|
|
*/
|
|
#define RTE_AVP_MAKE_VERSION(_release, _major, _minor) \
|
|
((((_release) & 0xffff) << 16) | (((_major) & 0xff) << 8) | ((_minor) & 0xff))
|
|
|
|
|
|
/**
|
|
* Represents the current version of the AVP host driver
|
|
* WARNING: in the current development branch the host and guest driver
|
|
* version should always be the same. When patching guest features back to
|
|
* GA releases the host version number should not be updated unless there was
|
|
* an actual change made to the host driver.
|
|
*/
|
|
#define RTE_AVP_CURRENT_HOST_VERSION \
|
|
RTE_AVP_MAKE_VERSION(RTE_AVP_RELEASE_VERSION_1, \
|
|
RTE_AVP_MAJOR_VERSION_0, \
|
|
RTE_AVP_MINOR_VERSION_1)
|
|
|
|
|
|
/**
|
|
* Represents the current version of the AVP guest drivers
|
|
*/
|
|
#define RTE_AVP_CURRENT_GUEST_VERSION \
|
|
RTE_AVP_MAKE_VERSION(RTE_AVP_RELEASE_VERSION_1, \
|
|
RTE_AVP_MAJOR_VERSION_2, \
|
|
RTE_AVP_MINOR_VERSION_13)
|
|
|
|
/**
|
|
* Access AVP device version values
|
|
*/
|
|
#define RTE_AVP_GET_RELEASE_VERSION(_version) (((_version) >> 16) & 0xffff)
|
|
#define RTE_AVP_GET_MAJOR_VERSION(_version) (((_version) >> 8) & 0xff)
|
|
#define RTE_AVP_GET_MINOR_VERSION(_version) ((_version) & 0xff)
|
|
/**@}*/
|
|
|
|
|
|
/**
|
|
* Remove the minor version number so that only the release and major versions
|
|
* are used for comparisons.
|
|
*/
|
|
#define RTE_AVP_STRIP_MINOR_VERSION(_version) ((_version) >> 8)
|
|
|
|
|
|
/**
|
|
* Defines the number of mbuf pools supported per device (1 per socket)
|
|
*/
|
|
#define RTE_AVP_MAX_MEMPOOLS 8
|
|
|
|
/*
|
|
* Defines address translation parameters for each support mbuf pool
|
|
*/
|
|
struct rte_avp_mempool_info {
|
|
void *addr;
|
|
rte_iova_t phys_addr;
|
|
uint64_t length;
|
|
};
|
|
|
|
/*
|
|
* Struct used to create a AVP device. Passed to the kernel in IOCTL call or
|
|
* via inter-VM shared memory when used in a guest.
|
|
*/
|
|
struct rte_avp_device_info {
|
|
uint32_t magic; /**< Memory validation marker */
|
|
uint32_t version; /**< Data format version */
|
|
|
|
char ifname[RTE_AVP_NAMESIZE]; /**< Network device name for AVP */
|
|
|
|
rte_iova_t tx_phys;
|
|
rte_iova_t rx_phys;
|
|
rte_iova_t alloc_phys;
|
|
rte_iova_t free_phys;
|
|
|
|
uint32_t features; /**< Supported feature bitmap */
|
|
uint8_t min_rx_queues; /**< Minimum supported receive/free queues */
|
|
uint8_t num_rx_queues; /**< Recommended number of receive/free queues */
|
|
uint8_t max_rx_queues; /**< Maximum supported receive/free queues */
|
|
uint8_t min_tx_queues; /**< Minimum supported transmit/alloc queues */
|
|
uint8_t num_tx_queues;
|
|
/**< Recommended number of transmit/alloc queues */
|
|
uint8_t max_tx_queues; /**< Maximum supported transmit/alloc queues */
|
|
|
|
uint32_t tx_size; /**< Size of each transmit queue */
|
|
uint32_t rx_size; /**< Size of each receive queue */
|
|
uint32_t alloc_size; /**< Size of each alloc queue */
|
|
uint32_t free_size; /**< Size of each free queue */
|
|
|
|
/* Used by Ethtool */
|
|
rte_iova_t req_phys;
|
|
rte_iova_t resp_phys;
|
|
rte_iova_t sync_phys;
|
|
void *sync_va;
|
|
|
|
/* mbuf mempool (used when a single memory area is supported) */
|
|
void *mbuf_va;
|
|
rte_iova_t mbuf_phys;
|
|
|
|
/* mbuf mempools */
|
|
struct rte_avp_mempool_info pool[RTE_AVP_MAX_MEMPOOLS];
|
|
|
|
#ifdef __KERNEL__
|
|
/* Ethernet info */
|
|
char ethaddr[ETH_ALEN];
|
|
#else
|
|
char ethaddr[RTE_ETHER_ADDR_LEN];
|
|
#endif
|
|
|
|
uint8_t mode; /**< device mode, i.e guest, host, trace */
|
|
|
|
/* mbuf size */
|
|
unsigned int mbuf_size;
|
|
|
|
/*
|
|
* unique id to differentiate between two instantiations of the same
|
|
* AVP device (i.e., the guest needs to know if the device has been
|
|
* deleted and recreated).
|
|
*/
|
|
uint64_t device_id;
|
|
|
|
uint32_t max_rx_pkt_len; /**< Maximum receive unit size */
|
|
};
|
|
|
|
#define RTE_AVP_MAX_QUEUES 8 /**< Maximum number of queues per device */
|
|
|
|
/** Maximum number of chained mbufs in a packet */
|
|
#define RTE_AVP_MAX_MBUF_SEGMENTS 5
|
|
|
|
#define RTE_AVP_DEVICE "avp"
|
|
|
|
#define RTE_AVP_IOCTL_TEST _IOWR(0, 1, int)
|
|
#define RTE_AVP_IOCTL_CREATE _IOWR(0, 2, struct rte_avp_device_info)
|
|
#define RTE_AVP_IOCTL_RELEASE _IOWR(0, 3, struct rte_avp_device_info)
|
|
#define RTE_AVP_IOCTL_QUERY _IOWR(0, 4, struct rte_avp_device_config)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _RTE_AVP_COMMON_H_ */
|