diff options
Diffstat (limited to 'include/linux/avf')
| -rw-r--r-- | include/linux/avf/virtchnl.h | 128 |
1 files changed, 81 insertions, 47 deletions
diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h index 73970bd439fe..6c6fbb492b5d 100644 --- a/include/linux/avf/virtchnl.h +++ b/include/linux/avf/virtchnl.h @@ -29,28 +29,29 @@ /* Description: * This header file describes the VF-PF communication protocol used - * by the various i40e drivers. + * by the drivers for all devices starting from our 40G product line * * Admin queue buffer usage: - * desc->opcode is always i40e_aqc_opc_send_msg_to_pf + * desc->opcode is always aqc_opc_send_msg_to_pf * flags, retval, datalen, and data addr are all used normally. - * Firmware copies the cookie fields when sending messages between the PF and - * VF, but uses all other fields internally. Due to this limitation, we - * must send all messages as "indirect", i.e. using an external buffer. + * The Firmware copies the cookie fields when sending messages between the + * PF and VF, but uses all other fields internally. Due to this limitation, + * we must send all messages as "indirect", i.e. using an external buffer. * - * All the vsi indexes are relative to the VF. Each VF can have maximum of + * All the VSI indexes are relative to the VF. Each VF can have maximum of * three VSIs. All the queue indexes are relative to the VSI. Each VF can * have a maximum of sixteen queues for all of its VSIs. * * The PF is required to return a status code in v_retval for all messages - * except RESET_VF, which does not require any response. The return value is of - * i40e_status_code type, defined in the i40e_type.h. + * except RESET_VF, which does not require any response. The return value + * is of status_code type, defined in the shared type.h. * - * In general, VF driver initialization should roughly follow the order of these - * opcodes. The VF driver must first validate the API version of the PF driver, - * then request a reset, then get resources, then configure queues and - * interrupts. After these operations are complete, the VF driver may start - * its queues, optionally add MAC and VLAN filters, and process traffic. + * In general, VF driver initialization should roughly follow the order of + * these opcodes. The VF driver must first validate the API version of the + * PF driver, then request a reset, then get resources, then configure + * queues and interrupts. After these operations are complete, the VF + * driver may start its queues, optionally add MAC and VLAN filters, and + * process traffic. */ /* START GENERIC DEFINES @@ -68,6 +69,33 @@ enum virtchnl_status_code { VIRTCHNL_STATUS_NOT_SUPPORTED = -64, }; +#define VIRTCHNL_LINK_SPEED_100MB_SHIFT 0x1 +#define VIRTCHNL_LINK_SPEED_1000MB_SHIFT 0x2 +#define VIRTCHNL_LINK_SPEED_10GB_SHIFT 0x3 +#define VIRTCHNL_LINK_SPEED_40GB_SHIFT 0x4 +#define VIRTCHNL_LINK_SPEED_20GB_SHIFT 0x5 +#define VIRTCHNL_LINK_SPEED_25GB_SHIFT 0x6 + +enum virtchnl_link_speed { + VIRTCHNL_LINK_SPEED_UNKNOWN = 0, + VIRTCHNL_LINK_SPEED_100MB = BIT(VIRTCHNL_LINK_SPEED_100MB_SHIFT), + VIRTCHNL_LINK_SPEED_1GB = BIT(VIRTCHNL_LINK_SPEED_1000MB_SHIFT), + VIRTCHNL_LINK_SPEED_10GB = BIT(VIRTCHNL_LINK_SPEED_10GB_SHIFT), + VIRTCHNL_LINK_SPEED_40GB = BIT(VIRTCHNL_LINK_SPEED_40GB_SHIFT), + VIRTCHNL_LINK_SPEED_20GB = BIT(VIRTCHNL_LINK_SPEED_20GB_SHIFT), + VIRTCHNL_LINK_SPEED_25GB = BIT(VIRTCHNL_LINK_SPEED_25GB_SHIFT), +}; + +/* for hsplit_0 field of Rx HMC context */ +/* deprecated with AVF 1.0 */ +enum virtchnl_rx_hsplit { + VIRTCHNL_RX_HSPLIT_NO_SPLIT = 0, + VIRTCHNL_RX_HSPLIT_SPLIT_L2 = 1, + VIRTCHNL_RX_HSPLIT_SPLIT_IP = 2, + VIRTCHNL_RX_HSPLIT_SPLIT_TCP_UDP = 4, + VIRTCHNL_RX_HSPLIT_SPLIT_SCTP = 8, +}; + /* END GENERIC DEFINES */ /* Opcodes for VF-PF communication. These are placed in the v_opcode field @@ -77,6 +105,8 @@ enum virtchnl_ops { /* The PF sends status change events to VFs using * the VIRTCHNL_OP_EVENT opcode. * VFs send requests to the PF using the other ops. + * Use of "advanced opcode" features must be negotiated as part of capabilities + * exchange and are not considered part of base mode feature set. */ VIRTCHNL_OP_UNKNOWN = 0, VIRTCHNL_OP_VERSION = 1, /* must ALWAYS be 1 */ @@ -96,14 +126,13 @@ enum virtchnl_ops { VIRTCHNL_OP_GET_STATS = 15, VIRTCHNL_OP_RSVD = 16, VIRTCHNL_OP_EVENT = 17, /* must ALWAYS be 17 */ - VIRTCHNL_OP_IWARP = 20, - VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP = 21, - VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP = 22, + VIRTCHNL_OP_IWARP = 20, /* advanced opcode */ + VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP = 21, /* advanced opcode */ + VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP = 22, /* advanced opcode */ VIRTCHNL_OP_CONFIG_RSS_KEY = 23, VIRTCHNL_OP_CONFIG_RSS_LUT = 24, VIRTCHNL_OP_GET_RSS_HENA_CAPS = 25, VIRTCHNL_OP_SET_RSS_HENA = 26, - }; /* Virtual channel message descriptor. This overlays the admin queue @@ -113,7 +142,7 @@ enum virtchnl_ops { struct virtchnl_msg { u8 pad[8]; /* AQ flags/opcode/len/retval fields */ enum virtchnl_ops v_opcode; /* avoid confusion with desc->opcode */ - i40e_status v_retval; /* ditto for desc->retval */ + enum virtchnl_status_code v_retval; /* ditto for desc->retval */ u32 vfid; /* used by PF when sending to VF */ }; @@ -155,6 +184,15 @@ struct virtchnl_version_info { * are cleared. */ +/* VSI types that use VIRTCHNL interface for VF-PF communication. VSI_SRIOV + * vsi_type should always be 6 for backward compatibility. Add other fields + * as needed. + */ +enum virtchnl_vsi_type { + VIRTCHNL_VSI_TYPE_INVALID = 0, + VIRTCHNL_VSI_SRIOV = 6, +}; + /* VIRTCHNL_OP_GET_VF_RESOURCES * Version 1.0 VF sends this request to PF with no parameters * Version 1.1 VF sends this request to PF with u32 bitmap of its capabilities @@ -166,14 +204,18 @@ struct virtchnl_version_info { struct virtchnl_vsi_resource { u16 vsi_id; u16 num_queue_pairs; - enum i40e_vsi_type vsi_type; + enum virtchnl_vsi_type vsi_type; u16 qset_handle; u8 default_mac_addr[ETH_ALEN]; }; -/* VF offload flags */ -#define VIRTCHNL_VF_OFFLOAD_L2 0x00000001 + +/* VF offload flags + * VIRTCHNL_VF_OFFLOAD_L2 flag is inclusive of base mode L2 offloads including + * TX/RX Checksum offloading and TSO for non-tunnelled packets. + */ +#define VIRTCHNL_VF_OFFLOAD_L2 0x00000001 #define VIRTCHNL_VF_OFFLOAD_IWARP 0x00000002 -#define VIRTCHNL_VF_OFFLOAD_FCOE 0x00000004 +#define VIRTCHNL_VF_OFFLOAD_RSVD 0x00000004 #define VIRTCHNL_VF_OFFLOAD_RSS_AQ 0x00000008 #define VIRTCHNL_VF_OFFLOAD_RSS_REG 0x00000010 #define VIRTCHNL_VF_OFFLOAD_WB_ON_ITR 0x00000020 @@ -182,11 +224,12 @@ struct virtchnl_vsi_resource { #define VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 0x00040000 #define VIRTCHNL_VF_OFFLOAD_RSS_PF 0X00080000 #define VIRTCHNL_VF_OFFLOAD_ENCAP 0X00100000 -#define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000 +#define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000 +#define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000 -#define I40E_VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \ - VIRTCHNL_VF_OFFLOAD_VLAN | \ - VIRTCHNL_VF_OFFLOAD_RSS_PF) +#define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \ + VIRTCHNL_VF_OFFLOAD_VLAN | \ + VIRTCHNL_VF_OFFLOAD_RSS_PF) struct virtchnl_vf_resource { u16 num_vsis; @@ -212,9 +255,9 @@ struct virtchnl_txq_info { u16 vsi_id; u16 queue_id; u16 ring_len; /* number of descriptors, multiple of 8 */ - u16 headwb_enabled; + u16 headwb_enabled; /* deprecated with AVF 1.0 */ u64 dma_ring_addr; - u64 dma_headwb_addr; + u64 dma_headwb_addr; /* deprecated with AVF 1.0 */ }; /* VIRTCHNL_OP_CONFIG_RX_QUEUE @@ -229,11 +272,11 @@ struct virtchnl_rxq_info { u16 queue_id; u32 ring_len; /* number of descriptors, multiple of 32 */ u16 hdr_size; - u16 splithdr_enabled; + u16 splithdr_enabled; /* deprecated with AVF 1.0 */ u32 databuffer_size; u32 max_pkt_size; u64 dma_ring_addr; - enum i40e_hmc_obj_rx_hsplit_0 rx_split_pos; + enum virtchnl_rx_hsplit rx_split_pos; /* deprecated with AVF 1.0 */ }; /* VIRTCHNL_OP_CONFIG_VSI_QUEUES @@ -344,15 +387,15 @@ struct virtchnl_promisc_info { u16 flags; }; -#define I40E_FLAG_VF_UNICAST_PROMISC 0x00000001 -#define I40E_FLAG_VF_MULTICAST_PROMISC 0x00000002 +#define FLAG_VF_UNICAST_PROMISC 0x00000001 +#define FLAG_VF_MULTICAST_PROMISC 0x00000002 /* VIRTCHNL_OP_GET_STATS * VF sends this message to request stats for the selected VSI. VF uses * the virtchnl_queue_select struct to specify the VSI. The queue_id * field is ignored by the PF. * - * PF replies with struct i40e_eth_stats in an external buffer. + * PF replies with struct eth_stats in an external buffer. */ /* VIRTCHNL_OP_CONFIG_RSS_KEY @@ -382,7 +425,6 @@ struct virtchnl_rss_lut { * By default, the PF sets these to all possible traffic types that the * hardware supports. The VF can query this value if it wants to change the * traffic types that are hashed by the hardware. - * Traffic types are defined in the i40e_filter_pctype enum in i40e_type.h */ struct virtchnl_rss_hena { u64 hena; @@ -399,14 +441,15 @@ enum virtchnl_event_codes { VIRTCHNL_EVENT_RESET_IMPENDING, VIRTCHNL_EVENT_PF_DRIVER_CLOSE, }; -#define I40E_PF_EVENT_SEVERITY_INFO 0 -#define I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM 255 + +#define PF_EVENT_SEVERITY_INFO 0 +#define PF_EVENT_SEVERITY_CERTAIN_DOOM 255 struct virtchnl_pf_event { enum virtchnl_event_codes event; union { struct { - enum i40e_aq_link_speed link_speed; + enum virtchnl_link_speed link_speed; bool link_status; } link_event; } event_data; @@ -426,13 +469,6 @@ struct virtchnl_pf_event { * PF configures interrupt mapping and returns status. */ -/* HW does not define a type value for AEQ; only for RX/TX and CEQ. - * In order for us to keep the interface simple, SW will define a - * unique type value for AEQ. - */ -#define I40E_QUEUE_TYPE_PE_AEQ 0x80 -#define I40E_QUEUE_INVALID_IDX 0xFFFF - struct virtchnl_iwarp_qv_info { u32 v_idx; /* msix_vector */ u16 ceq_idx; @@ -446,8 +482,7 @@ struct virtchnl_iwarp_qvlist_info { }; /* VF reset states - these are written into the RSTAT register: - * I40E_VFGEN_RSTAT1 on the PF - * I40E_VFGEN_RSTAT on the VF + * VFGEN_RSTAT on the VF * When the PF initiates a reset, it writes 0 * When the reset is complete, it writes 1 * When the PF detects that the VF has recovered, it writes 2 @@ -461,7 +496,6 @@ enum virtchnl_vfr_states { VIRTCHNL_VFR_INPROGRESS = 0, VIRTCHNL_VFR_COMPLETED, VIRTCHNL_VFR_VFACTIVE, - VIRTCHNL_VFR_UNKNOWN, }; #endif /* _VIRTCHNL_H_ */ |