freebsd-dev/sys/dev/qlnx/qlnxe/ecore_roce.h
David C Somayajulu 9efd0ba788 Upgrade STORMFW to 8.30.0.0 and ecore version to 8.30.0.0
Add support for pci deviceID 0x8070 for QLE41xxx product line which
supports 10GbE/25GbE/40GbE

MFC after:5 days
2017-06-15 02:45:43 +00:00

390 lines
11 KiB
C

/*
* Copyright (c) 2017-2018 Cavium, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef __ECORE_RDMA_H__
#define __ECORE_RDMA_H__
#include "ecore_status.h"
#include "ecore.h"
#include "ecore_hsi_common.h"
#include "ecore_proto_if.h"
#include "ecore_roce_api.h"
#include "ecore_dev_api.h"
/* Constants */
/* HW/FW RoCE Limitations (internal. For external see ecore_rdma_api.h) */
#define ECORE_RDMA_MAX_FMR (RDMA_MAX_TIDS) /* 2^17 - 1 */
#define ECORE_RDMA_MAX_P_KEY (1)
#define ECORE_RDMA_MAX_WQE (0x7FFF) /* 2^15 -1 */
#define ECORE_RDMA_MAX_SRQ_WQE_ELEM (0x7FFF) /* 2^15 -1 */
#define ECORE_RDMA_PAGE_SIZE_CAPS (0xFFFFF000) /* TODO: > 4k?! */
#define ECORE_RDMA_ACK_DELAY (15) /* 131 milliseconds */
#define ECORE_RDMA_MAX_MR_SIZE (0x10000000000ULL) /* 2^40 */
#define ECORE_RDMA_MAX_CQS (RDMA_MAX_CQS) /* 64k */
#define ECORE_RDMA_MAX_MRS (RDMA_MAX_TIDS) /* 2^17 - 1 */
/* Add 1 for header element */
#define ECORE_RDMA_MAX_SRQ_ELEM_PER_WQE (RDMA_MAX_SGE_PER_RQ_WQE + 1)
#define ECORE_RDMA_MAX_SGE_PER_SRQ_WQE (RDMA_MAX_SGE_PER_RQ_WQE)
#define ECORE_RDMA_SRQ_WQE_ELEM_SIZE (16)
#define ECORE_RDMA_MAX_SRQS (32 * 1024) /* 32k */
/* Configurable */
/* Max CQE is derived from u16/32 size, halved and decremented by 1 to handle
* wrap properly and then decremented by 1 again. The latter decrement comes
* from a requirement to create a chain that is bigger than what the user
* requested by one:
* The CQE size is 32 bytes but the FW writes in chunks of 64
* bytes, for performance purposes. Allocating an extra entry and telling the
* FW we have less prevents overwriting the first entry in case of a wrap i.e.
* when the FW writes the last entry and the application hasn't read the first
* one.
*/
#define ECORE_RDMA_MAX_CQE_32_BIT (0x7FFFFFFF - 1)
#define ECORE_RDMA_MAX_CQE_16_BIT (0x7FFF - 1)
enum ecore_rdma_toggle_bit {
ECORE_RDMA_TOGGLE_BIT_CLEAR = 0,
ECORE_RDMA_TOGGLE_BIT_SET = 1
};
/* @@@TBD Currently we support only affilited events
* enum ecore_rdma_unaffiliated_event_code {
* ECORE_RDMA_PORT_ACTIVE, // Link Up
* ECORE_RDMA_PORT_CHANGED, // SGID table has changed
* ECORE_RDMA_LOCAL_CATASTROPHIC_ERR, // Fatal device error
* ECORE_RDMA_PORT_ERR, // Link down
* };
*/
#define QEDR_MAX_BMAP_NAME (10)
struct ecore_bmap {
u32 max_count;
unsigned long *bitmap;
char name[QEDR_MAX_BMAP_NAME];
};
/* functions for enabling/disabling edpm in rdma PFs according to existence of
* qps during DCBx update or bar size
*/
void ecore_roce_dpm_dcbx(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
void ecore_rdma_dpm_bar(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
#ifdef CONFIG_ECORE_IWARP
#define ECORE_IWARP_PREALLOC_CNT (256)
#define ECORE_IWARP_LL2_SYN_TX_SIZE (128)
#define ECORE_IWARP_LL2_SYN_RX_SIZE (256)
#define ECORE_IWARP_LL2_OOO_DEF_TX_SIZE (256)
#define ECORE_IWARP_LL2_OOO_DEF_RX_SIZE (4096)
#define ECORE_IWARP_LL2_OOO_MAX_RX_SIZE (16384)
#define ECORE_IWARP_MAX_SYN_PKT_SIZE (128)
#define ECORE_IWARP_HANDLE_INVAL (0xff)
struct ecore_iwarp_ll2_buff {
struct ecore_iwarp_ll2_buff *piggy_buf;
void *data;
dma_addr_t data_phys_addr;
u32 buff_size;
};
struct ecore_iwarp_ll2_mpa_buf {
osal_list_entry_t list_entry;
struct ecore_iwarp_ll2_buff *ll2_buf;
struct unaligned_opaque_data data;
u16 tcp_payload_len;
u8 placement_offset;
};
/* In some cases a fpdu will arrive with only one byte of the header, in this
* case the fpdu_length will be partial ( contain only higher byte and
* incomplete bytes will contain the invalid value */
#define ECORE_IWARP_INVALID_INCOMPLETE_BYTES 0xffff
struct ecore_iwarp_fpdu {
struct ecore_iwarp_ll2_buff *mpa_buf;
dma_addr_t pkt_hdr;
u8 pkt_hdr_size;
dma_addr_t mpa_frag;
void *mpa_frag_virt;
u16 mpa_frag_len;
u16 fpdu_length;
u16 incomplete_bytes;
};
struct ecore_iwarp_info {
osal_list_t listen_list; /* ecore_iwarp_listener */
osal_list_t ep_list; /* ecore_iwarp_ep */
osal_list_t ep_free_list;/* pre-allocated ep's */
osal_list_t mpa_buf_list;/* list of mpa_bufs */
osal_list_t mpa_buf_pending_list;
osal_spinlock_t iw_lock;
osal_spinlock_t qp_lock; /* for teardown races */
struct iwarp_rxmit_stats_drv stats;
u32 rcv_wnd_scale;
u16 max_mtu;
u16 num_ooo_rx_bufs;
u8 mac_addr[ETH_ALEN];
u8 crc_needed;
u8 tcp_flags;
u8 ll2_syn_handle;
u8 ll2_ooo_handle;
u8 ll2_mpa_handle;
u8 peer2peer;
u8 _pad;
enum mpa_negotiation_mode mpa_rev;
enum mpa_rtr_type rtr_type;
struct ecore_iwarp_fpdu *partial_fpdus;
struct ecore_iwarp_ll2_mpa_buf *mpa_bufs;
u8 *mpa_intermediate_buf;
u16 max_num_partial_fpdus;
/* MPA statistics */
u64 unalign_rx_comp;
};
#endif
#define IS_ECORE_DCQCN(p_hwfn) \
(!!(p_hwfn->pf_params.rdma_pf_params.enable_dcqcn))
struct ecore_roce_info {
struct roce_events_stats event_stats;
u8 dcqcn_enabled;
u8 dcqcn_reaction_point;
};
struct ecore_rdma_info {
osal_spinlock_t lock;
struct ecore_bmap cq_map;
struct ecore_bmap pd_map;
struct ecore_bmap tid_map;
struct ecore_bmap srq_map;
struct ecore_bmap cid_map;
struct ecore_bmap tcp_cid_map;
struct ecore_bmap real_cid_map;
struct ecore_bmap dpi_map;
struct ecore_bmap toggle_bits;
struct ecore_rdma_events events;
struct ecore_rdma_device *dev;
struct ecore_rdma_port *port;
u32 last_tid;
u8 num_cnqs;
struct rdma_sent_stats rdma_sent_pstats;
struct rdma_rcv_stats rdma_rcv_tstats;
u32 num_qps;
u32 num_mrs;
u32 num_srqs;
u16 queue_zone_base;
u16 max_queue_zones;
enum protocol_type proto;
struct ecore_roce_info roce;
#ifdef CONFIG_ECORE_IWARP
struct ecore_iwarp_info iwarp;
#endif
};
#ifdef CONFIG_ECORE_IWARP
enum ecore_iwarp_qp_state {
ECORE_IWARP_QP_STATE_IDLE,
ECORE_IWARP_QP_STATE_RTS,
ECORE_IWARP_QP_STATE_TERMINATE,
ECORE_IWARP_QP_STATE_CLOSING,
ECORE_IWARP_QP_STATE_ERROR,
};
#endif
struct ecore_rdma_qp {
struct regpair qp_handle;
struct regpair qp_handle_async;
u32 qpid; /* iwarp: may differ from icid */
u16 icid;
enum ecore_roce_qp_state cur_state;
#ifdef CONFIG_ECORE_IWARP
enum ecore_iwarp_qp_state iwarp_state;
#endif
bool use_srq;
bool signal_all;
bool fmr_and_reserved_lkey;
bool incoming_rdma_read_en;
bool incoming_rdma_write_en;
bool incoming_atomic_en;
bool e2e_flow_control_en;
u16 pd; /* Protection domain */
u16 pkey; /* Primary P_key index */
u32 dest_qp;
u16 mtu;
u16 srq_id;
u8 traffic_class_tos; /* IPv6/GRH traffic class; IPv4 TOS */
u8 hop_limit_ttl; /* IPv6/GRH hop limit; IPv4 TTL */
u16 dpi;
u32 flow_label; /* ignored in IPv4 */
u16 vlan_id;
u32 ack_timeout;
u8 retry_cnt;
u8 rnr_retry_cnt;
u8 min_rnr_nak_timer;
bool sqd_async;
union ecore_gid sgid; /* GRH SGID; IPv4/6 Source IP */
union ecore_gid dgid; /* GRH DGID; IPv4/6 Destination IP */
enum roce_mode roce_mode;
u16 udp_src_port; /* RoCEv2 only */
u8 stats_queue;
/* requeseter */
u8 max_rd_atomic_req;
u32 sq_psn;
u16 sq_cq_id; /* The cq to be associated with the send queue*/
u16 sq_num_pages;
dma_addr_t sq_pbl_ptr;
void *orq;
dma_addr_t orq_phys_addr;
u8 orq_num_pages;
bool req_offloaded;
/* responder */
u8 max_rd_atomic_resp;
u32 rq_psn;
u16 rq_cq_id; /* The cq to be associated with the receive queue */
u16 rq_num_pages;
dma_addr_t rq_pbl_ptr;
void *irq;
dma_addr_t irq_phys_addr;
u8 irq_num_pages;
bool resp_offloaded;
u32 cq_prod;
u8 remote_mac_addr[6];
u8 local_mac_addr[6];
void *shared_queue;
dma_addr_t shared_queue_phys_addr;
#ifdef CONFIG_ECORE_IWARP
struct ecore_iwarp_ep *ep;
#endif
};
#ifdef CONFIG_ECORE_IWARP
enum ecore_iwarp_ep_state {
ECORE_IWARP_EP_INIT,
ECORE_IWARP_EP_MPA_REQ_RCVD,
ECORE_IWARP_EP_ESTABLISHED,
ECORE_IWARP_EP_CLOSED
};
union async_output {
struct iwarp_eqe_data_mpa_async_completion mpa_response;
struct iwarp_eqe_data_tcp_async_completion mpa_request;
};
#define ECORE_MAX_PRIV_DATA_LEN (512)
struct ecore_iwarp_ep_memory {
u8 in_pdata[ECORE_MAX_PRIV_DATA_LEN];
u8 out_pdata[ECORE_MAX_PRIV_DATA_LEN];
union async_output async_output;
};
/* Endpoint structure represents a TCP connection. This connection can be
* associated with a QP or not (in which case QP==NULL)
*/
struct ecore_iwarp_ep {
osal_list_entry_t list_entry;
int sig;
struct ecore_rdma_qp *qp;
enum ecore_iwarp_ep_state state;
/* This contains entire buffer required for ep memories. This is the
* only one actually allocated and freed. The rest are pointers into
* this buffer
*/
struct ecore_iwarp_ep_memory *ep_buffer_virt;
dma_addr_t ep_buffer_phys;
struct ecore_iwarp_cm_info cm_info;
enum tcp_connect_mode connect_mode;
enum mpa_rtr_type rtr_type;
enum mpa_negotiation_mode mpa_rev;
u32 tcp_cid;
u32 cid;
u8 remote_mac_addr[6];
u8 local_mac_addr[6];
u16 mss;
bool mpa_reply_processed;
/* The event_cb function is called for asynchrounous events associated
* with the ep. It is initialized at different entry points depending
* on whether the ep is the tcp connection active side or passive side
* The cb_context is passed to the event_cb function.
*/
iwarp_event_handler event_cb;
void *cb_context;
/* For Passive side - syn packet related data */
struct ecore_iwarp_ll2_buff *syn;
u16 syn_ip_payload_length;
dma_addr_t syn_phy_addr;
};
struct ecore_iwarp_listener {
osal_list_entry_t list_entry;
/* The event_cb function is called for connection requests.
* The cb_context is passed to the event_cb function.
*/
iwarp_event_handler event_cb;
void *cb_context;
u32 max_backlog;
u8 ip_version;
u32 ip_addr[4];
u16 port;
u16 vlan;
};
void ecore_iwarp_async_event(struct ecore_hwfn *p_hwfn,
u8 fw_event_code,
struct regpair *fw_handle,
u8 fw_return_code);
#endif /* CONFIG_ECORE_IWARP */
void ecore_roce_async_event(struct ecore_hwfn *p_hwfn,
u8 fw_event_code,
union rdma_eqe_data *rdma_data);
#endif /*__ECORE_RDMA_H__*/