2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011 Chelsio Communications, Inc.
6 * Written by: Navdeep Parhar <np@FreeBSD.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #ifndef __T4_ADAPTER_H__
34 #define __T4_ADAPTER_H__
36 #include <sys/kernel.h>
39 #include <sys/types.h>
41 #include <sys/malloc.h>
42 #include <sys/rwlock.h>
47 #include <dev/pci/pcivar.h>
48 #include <dev/pci/pcireg.h>
49 #include <machine/bus.h>
50 #include <sys/socket.h>
51 #include <sys/sysctl.h>
52 #include <net/ethernet.h>
54 #include <net/if_var.h>
55 #include <net/if_media.h>
56 #include <netinet/in.h>
57 #include <netinet/tcp_lro.h>
61 #include "common/t4_msg.h"
62 #include "firmware/t4fw_interface.h"
64 #define KTR_CXGBE KTR_SPARE3
65 MALLOC_DECLARE(M_CXGBE);
66 #define CXGBE_UNIMPLEMENTED(s) \
67 panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__)
69 #if defined(__i386__) || defined(__amd64__)
73 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
76 #define prefetch(x) __builtin_prefetch(x)
79 #ifndef SYSCTL_ADD_UQUAD
80 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
81 #define sysctl_handle_64 sysctl_handle_quad
82 #define CTLTYPE_U64 CTLTYPE_QUAD
85 SYSCTL_DECL(_hw_cxgbe);
88 typedef struct adapter adapter_t;
92 * All ingress queues use this entry size. Note that the firmware event
93 * queue and any iq expecting CPL_RX_PKT in the descriptor needs this to
98 /* Default queue sizes for all kinds of ingress queues */
102 /* All egress queues use this entry size */
105 /* Default queue sizes for all kinds of egress queues */
106 CTRL_EQ_QSIZE = 1024,
109 #if MJUMPAGESIZE != MCLBYTES
110 SW_ZONE_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */
112 SW_ZONE_SIZES = 3, /* cluster, jumbo9k, jumbo16k */
114 CL_METADATA_SIZE = CACHE_LINE_SIZE,
116 SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / EQ_ESIZE, /* max WR size in desc */
118 TX_SGL_SEGS_TSO = 38,
119 TX_SGL_SEGS_EO_TSO = 30, /* XXX: lower for IPv6. */
120 TX_WR_FLITS = SGE_MAX_WR_LEN / 8
124 /* adapter intr_type */
125 INTR_INTX = (1 << 0),
131 XGMAC_MTU = (1 << 0),
132 XGMAC_PROMISC = (1 << 1),
133 XGMAC_ALLMULTI = (1 << 2),
134 XGMAC_VLANEX = (1 << 3),
135 XGMAC_UCADDR = (1 << 4),
136 XGMAC_MCADDRS = (1 << 5),
142 /* flags understood by begin_synchronized_op */
143 HOLD_LOCK = (1 << 0),
147 /* flags understood by end_synchronized_op */
148 LOCK_HELD = HOLD_LOCK,
153 FULL_INIT_DONE = (1 << 0),
155 CHK_MBOX_ACCESS = (1 << 2),
156 MASTER_PF = (1 << 3),
157 ADAP_SYSCTL_CTX = (1 << 4),
159 BUF_PACKING_OK = (1 << 6),
162 CXGBE_BUSY = (1 << 9),
165 HAS_TRACEQ = (1 << 3),
166 FIXED_IFMEDIA = (1 << 4), /* ifmedia list doesn't change. */
170 VI_INIT_DONE = (1 << 1),
171 VI_SYSCTL_CTX = (1 << 2),
173 /* adapter debug_flags */
174 DF_DUMP_MBOX = (1 << 0), /* Log all mbox cmd/rpl. */
175 DF_LOAD_FW_ANYTIME = (1 << 1), /* Allow LOAD_FW after init */
176 DF_DISABLE_TCB_CACHE = (1 << 2), /* Disable TCB cache (T6+) */
177 DF_DISABLE_CFG_RETRY = (1 << 3), /* Disable fallback config */
178 DF_VERBOSE_SLOWINTR = (1 << 4), /* Chatty slow intr handler */
181 #define IS_DOOMED(vi) ((vi)->flags & DOOMED)
182 #define SET_DOOMED(vi) do {(vi)->flags |= DOOMED;} while (0)
183 #define IS_BUSY(sc) ((sc)->flags & CXGBE_BUSY)
184 #define SET_BUSY(sc) do {(sc)->flags |= CXGBE_BUSY;} while (0)
185 #define CLR_BUSY(sc) do {(sc)->flags &= ~CXGBE_BUSY;} while (0)
189 struct port_info *pi;
196 uint16_t *rss, *nm_rss;
197 int smt_idx; /* for convenience */
199 int16_t xact_addr_filt;/* index of exact MAC address filter */
200 uint16_t rss_size; /* size of VI's RSS table slice */
201 uint16_t rss_base; /* start of VI's RSS table slice */
207 /* These need to be int as they are used in sysctl */
208 int ntxq; /* # of tx queues */
209 int first_txq; /* index of first tx queue */
210 int rsrv_noflowq; /* Reserve queue 0 for non-flowid packets */
211 int nrxq; /* # of rx queues */
212 int first_rxq; /* index of first rx queue */
213 int nofldtxq; /* # of offload tx queues */
214 int first_ofld_txq; /* index of first offload tx queue */
215 int nofldrxq; /* # of offload rx queues */
216 int first_ofld_rxq; /* index of first offload rx queue */
228 struct timeval last_refreshed;
229 struct fw_vi_stats_vf stats;
232 struct sysctl_ctx_list ctx; /* from ifconfig up to driver detach */
234 uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */
237 struct tx_ch_rl_params {
238 enum fw_sched_params_rate ratemode; /* %port (REL) or kbps (ABS) */
243 CLRL_USER = (1 << 0), /* allocated manually. */
244 CLRL_SYNC = (1 << 1), /* sync hw update in progress. */
245 CLRL_ASYNC = (1 << 2), /* async hw update requested. */
246 CLRL_ERR = (1 << 3), /* last hw setup ended in error. */
249 struct tx_cl_rl_params {
252 enum fw_sched_params_rate ratemode; /* %port REL or ABS value */
253 enum fw_sched_params_unit rateunit; /* kbps or pps (when ABS) */
254 enum fw_sched_params_mode mode; /* aggr or per-flow */
260 /* Tx scheduler parameters for a channel/port */
261 struct tx_sched_params {
262 /* Channel Rate Limiter */
263 struct tx_ch_rl_params ch_rl;
268 /* Class Rate Limiter (including the default pktsize and burstsize). */
271 struct tx_cl_rl_params cl_rl[];
276 struct adapter *adapter;
283 struct tx_sched_params *sched_params;
289 uint8_t lport; /* associated offload logical port */
295 uint8_t mps_bg_map; /* rx MPS buffer group bitmap */
296 uint8_t rx_e_chan_map; /* rx TP e-channel bitmap */
298 struct link_config link_cfg;
299 struct ifmedia media;
301 struct timeval last_refreshed;
302 struct port_stats stats;
303 u_int tnl_cong_drops;
304 u_int tx_parse_error;
305 u_long tx_tls_records;
306 u_long tx_tls_octets;
307 u_long rx_tls_records;
308 u_long rx_tls_octets;
313 #define IS_MAIN_VI(vi) ((vi) == &((vi)->pi->vi[0]))
315 /* Where the cluster came from, how it has been carved up. */
316 struct cluster_layout {
319 uint16_t region1; /* mbufs laid out within this region */
320 /* region2 is the DMA region */
321 uint16_t region3; /* cluster_metadata within this region */
324 struct cluster_metadata {
326 struct fl_sdesc *sd; /* For debug only. Could easily be stale */
331 uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */
332 struct cluster_layout cll;
340 struct mbuf *m; /* m_nextpkt linked chain of frames */
341 uint8_t desc_used; /* # of hardware descriptors used by the WR */
345 #define IQ_PAD (IQ_ESIZE - sizeof(struct rsp_ctrl) - sizeof(struct rss_header))
347 struct rss_header rss;
352 CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE);
356 IQ_ALLOCATED = (1 << 0), /* firmware resources allocated */
357 IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
358 IQ_RX_TIMESTAMP = (1 << 2), /* provide the SGE rx timestamp */
359 IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */
360 IQ_ADJ_CREDIT = (1 << 4), /* hw is off by 1 credit for this iq */
367 /* netmap related flags */
374 CPL_COOKIE_RESERVED = 0,
379 CPL_COOKIE_HASHFILTER,
381 CPL_COOKIE_AVAILABLE3,
383 NUM_CPL_COOKIES = 8 /* Limited by M_COOKIE. Do not increase. */
388 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
390 typedef int (*an_handler_t)(struct sge_iq *, const struct rsp_ctrl *);
391 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
394 * Ingress Queue: T4 is producer, driver is consumer.
399 struct adapter *adapter;
400 struct iq_desc *desc; /* KVA of descriptor ring */
401 int8_t intr_pktc_idx; /* packet count threshold index */
402 uint8_t gen; /* generation bit */
403 uint8_t intr_params; /* interrupt holdoff parameters */
404 uint8_t intr_next; /* XXX: holdoff for next interrupt */
405 uint16_t qsize; /* size (# of entries) of the queue */
406 uint16_t sidx; /* index of the entry with the status page */
407 uint16_t cidx; /* consumer index */
408 uint16_t cntxt_id; /* SGE context id for the iq */
409 uint16_t abs_id; /* absolute SGE id for the iq */
411 STAILQ_ENTRY(sge_iq) link;
413 bus_dma_tag_t desc_tag;
414 bus_dmamap_t desc_map;
415 bus_addr_t ba; /* bus address of descriptor ring */
424 EQ_TYPEMASK = 0x3, /* 2 lsbits hold the type (see above) */
425 EQ_ALLOCATED = (1 << 2), /* firmware resources allocated */
426 EQ_ENABLED = (1 << 3), /* open for business */
427 EQ_QFLUSH = (1 << 4), /* if_qflush in progress */
430 /* Listed in order of preference. Update t4_sysctls too if you change these */
431 enum {DOORBELL_UDB, DOORBELL_WCWR, DOORBELL_UDBWC, DOORBELL_KDB};
434 * Egress Queue: driver is producer, T4 is consumer.
436 * Note: A free list is an egress queue (driver produces the buffers and T4
437 * consumes them) but it's special enough to have its own struct (see sge_fl).
440 unsigned int flags; /* MUST be first */
441 unsigned int cntxt_id; /* SGE context id for the eq */
442 unsigned int abs_id; /* absolute SGE id for the eq */
445 struct tx_desc *desc; /* KVA of descriptor ring */
447 volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */
448 u_int udb_qid; /* relative qid within the doorbell page */
449 uint16_t sidx; /* index of the entry with the status page */
450 uint16_t cidx; /* consumer idx (desc idx) */
451 uint16_t pidx; /* producer idx (desc idx) */
452 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
453 uint16_t dbidx; /* pidx of the most recent doorbell */
454 uint16_t iqid; /* iq that gets egr_update for the eq */
455 uint8_t tx_chan; /* tx channel used by the eq */
456 volatile u_int equiq; /* EQUIQ outstanding */
458 bus_dma_tag_t desc_tag;
459 bus_dmamap_t desc_map;
460 bus_addr_t ba; /* bus address of descriptor ring */
464 struct sw_zone_info {
465 uma_zone_t zone; /* zone that this cluster comes from */
466 int size; /* size of cluster: 2K, 4K, 9K, 16K, etc. */
467 int type; /* EXT_xxx type of the cluster */
473 int8_t zidx; /* backpointer to zone; -ve means unused */
474 int8_t next; /* next hwidx for this zone; -1 means no more */
481 MEMWIN0_APERTURE = 2048,
482 MEMWIN0_BASE = 0x1b800,
484 MEMWIN1_APERTURE = 32768,
485 MEMWIN1_BASE = 0x28000,
487 MEMWIN2_APERTURE_T4 = 65536,
488 MEMWIN2_BASE_T4 = 0x30000,
490 MEMWIN2_APERTURE_T5 = 128 * 1024,
491 MEMWIN2_BASE_T5 = 0x60000,
495 struct rwlock mw_lock __aligned(CACHE_LINE_SIZE);
496 uint32_t mw_base; /* constant after setup_memwin */
497 uint32_t mw_aperture; /* ditto */
498 uint32_t mw_curpos; /* protected by mw_lock */
502 FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */
503 FL_DOOMED = (1 << 1), /* about to be destroyed */
504 FL_BUF_PACKING = (1 << 2), /* buffer packing enabled */
505 FL_BUF_RESUME = (1 << 3), /* resume from the middle of the frame */
508 #define FL_RUNNING_LOW(fl) \
509 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) <= fl->lowat)
510 #define FL_NOT_RUNNING_LOW(fl) \
511 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) >= 2 * fl->lowat)
515 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */
516 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */
517 struct cluster_layout cll_def; /* default refill zone, layout */
518 uint16_t lowat; /* # of buffers <= this means fl needs help */
520 uint16_t buf_boundary;
522 /* The 16b idx all deal with hw descriptors */
523 uint16_t dbidx; /* hw pidx after last doorbell */
524 uint16_t sidx; /* index of status page */
525 volatile uint16_t hw_cidx;
527 /* The 32b idx are all buffer idx, not hardware descriptor idx */
528 uint32_t cidx; /* consumer index */
529 uint32_t pidx; /* producer index */
532 u_int rx_offset; /* offset in fl buf (when buffer packing) */
533 volatile uint32_t *udb;
535 uint64_t mbuf_allocated;/* # of mbuf allocated from zone_mbuf */
536 uint64_t mbuf_inlined; /* # of mbuf created within clusters */
537 uint64_t cl_allocated; /* # of clusters allocated */
538 uint64_t cl_recycled; /* # of clusters recycled */
539 uint64_t cl_fast_recycled; /* # of clusters recycled (fast) */
541 /* These 3 are valid when FL_BUF_RESUME is set, stale otherwise. */
546 uint16_t qsize; /* # of hw descriptors (status page included) */
547 uint16_t cntxt_id; /* SGE context id for the freelist */
548 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
549 bus_dma_tag_t desc_tag;
550 bus_dmamap_t desc_map;
552 bus_addr_t ba; /* bus address of descriptor ring */
553 struct cluster_layout cll_alt; /* alternate refill zone, layout */
558 /* txq: SGE egress queue + what's needed for Ethernet NIC */
560 struct sge_eq eq; /* MUST be first */
562 struct ifnet *ifp; /* the interface this txq belongs to */
563 struct mp_ring *r; /* tx software ring */
564 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */
566 __be32 cpl_ctrl0; /* for convenience */
567 int tc_idx; /* traffic class */
569 struct task tx_reclaim_task;
570 /* stats for common events first */
572 uint64_t txcsum; /* # of times hardware assisted with checksum */
573 uint64_t tso_wrs; /* # of TSO work requests */
574 uint64_t vlan_insertion;/* # of times VLAN tag was inserted */
575 uint64_t imm_wrs; /* # of work requests with immediate data */
576 uint64_t sgl_wrs; /* # of work requests with direct SGL */
577 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */
578 uint64_t txpkts0_wrs; /* # of type0 coalesced tx work requests */
579 uint64_t txpkts1_wrs; /* # of type1 coalesced tx work requests */
580 uint64_t txpkts0_pkts; /* # of frames in type0 coalesced tx WRs */
581 uint64_t txpkts1_pkts; /* # of frames in type1 coalesced tx WRs */
582 uint64_t raw_wrs; /* # of raw work requests (alloc_wr_mbuf) */
584 /* stats for not-that-common events */
585 } __aligned(CACHE_LINE_SIZE);
587 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */
589 struct sge_iq iq; /* MUST be first */
590 struct sge_fl fl; /* MUST follow iq */
592 struct ifnet *ifp; /* the interface this rxq belongs to */
593 #if defined(INET) || defined(INET6)
594 struct lro_ctrl lro; /* LRO state */
597 /* stats for common events first */
599 uint64_t rxcsum; /* # of times hardware assisted with checksum */
600 uint64_t vlan_extraction;/* # of times VLAN tag was extracted */
602 /* stats for not-that-common events */
604 } __aligned(CACHE_LINE_SIZE);
606 static inline struct sge_rxq *
607 iq_to_rxq(struct sge_iq *iq)
610 return (__containerof(iq, struct sge_rxq, iq));
614 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
615 struct sge_ofld_rxq {
616 struct sge_iq iq; /* MUST be first */
617 struct sge_fl fl; /* MUST follow iq */
618 } __aligned(CACHE_LINE_SIZE);
620 static inline struct sge_ofld_rxq *
621 iq_to_ofld_rxq(struct sge_iq *iq)
624 return (__containerof(iq, struct sge_ofld_rxq, iq));
628 STAILQ_ENTRY(wrqe) link;
631 char wr[] __aligned(16);
635 TAILQ_ENTRY(wrq_cookie) link;
641 * wrq: SGE egress queue that is given prebuilt work requests. Both the control
642 * and offload tx queues are of this type.
645 struct sge_eq eq; /* MUST be first */
647 struct adapter *adapter;
648 struct task wrq_tx_task;
650 /* Tx desc reserved but WR not "committed" yet. */
651 TAILQ_HEAD(wrq_incomplete_wrs , wrq_cookie) incomplete_wrs;
653 /* List of WRs ready to go out as soon as descriptors are available. */
654 STAILQ_HEAD(, wrqe) wr_list;
658 /* stats for common events first */
660 uint64_t tx_wrs_direct; /* # of WRs written directly to desc ring. */
661 uint64_t tx_wrs_ss; /* # of WRs copied from scratch space. */
662 uint64_t tx_wrs_copied; /* # of WRs queued and copied to desc ring. */
664 /* stats for not-that-common events */
667 * Scratch space for work requests that wrap around after reaching the
668 * status page, and some information about the last WR that used it.
672 uint8_t ss[SGE_MAX_WR_LEN];
674 } __aligned(CACHE_LINE_SIZE);
676 #define INVALID_NM_RXQ_CNTXT_ID ((uint16_t)(-1))
678 volatile int nm_state; /* NM_OFF, NM_ON, or NM_BUSY */
681 struct iq_desc *iq_desc;
683 uint16_t iq_cntxt_id;
689 uint16_t fl_cntxt_id;
697 u_int nid; /* netmap ring # for this queue */
699 /* infrequently used items after this */
701 bus_dma_tag_t iq_desc_tag;
702 bus_dmamap_t iq_desc_map;
706 bus_dma_tag_t fl_desc_tag;
707 bus_dmamap_t fl_desc_map;
709 } __aligned(CACHE_LINE_SIZE);
711 #define INVALID_NM_TXQ_CNTXT_ID ((u_int)(-1))
713 struct tx_desc *desc;
717 uint16_t equiqidx; /* EQUIQ last requested at this pidx */
718 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
719 uint16_t dbidx; /* pidx of the most recent doorbell */
721 volatile uint32_t *udb;
724 __be32 cpl_ctrl0; /* for convenience */
725 u_int nid; /* netmap ring # for this queue */
727 /* infrequently used items after this */
729 bus_dma_tag_t desc_tag;
730 bus_dmamap_t desc_map;
733 } __aligned(CACHE_LINE_SIZE);
736 int nrxq; /* total # of Ethernet rx queues */
737 int ntxq; /* total # of Ethernet tx queues */
738 int nofldrxq; /* total # of TOE rx queues */
739 int nofldtxq; /* total # of TOE tx queues */
740 int nnmrxq; /* total # of netmap rx queues */
741 int nnmtxq; /* total # of netmap tx queues */
742 int niq; /* total # of ingress queues */
743 int neq; /* total # of egress queues */
745 struct sge_iq fwq; /* Firmware event queue */
746 struct sge_wrq *ctrlq; /* Control queues */
747 struct sge_txq *txq; /* NIC tx queues */
748 struct sge_rxq *rxq; /* NIC rx queues */
749 struct sge_wrq *ofld_txq; /* TOE tx queues */
750 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */
751 struct sge_nm_txq *nm_txq; /* netmap tx queues */
752 struct sge_nm_rxq *nm_rxq; /* netmap rx queues */
754 uint16_t iq_start; /* first cntxt_id */
755 uint16_t iq_base; /* first abs_id */
756 int eq_start; /* first cntxt_id */
757 int eq_base; /* first abs_id */
758 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */
759 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */
761 int8_t safe_hwidx1; /* may not have room for metadata */
762 int8_t safe_hwidx2; /* with room for metadata and maybe more */
763 struct sw_zone_info sw_zone_info[SW_ZONE_SIZES];
764 struct hw_buf_info hw_buf_info[SGE_FLBUF_SIZES];
768 const char *nexus_name;
769 const char *ifnet_name;
770 const char *vi_ifnet_name;
771 const char *pf03_drv_name;
772 const char *vf_nexus_name;
773 const char *vf_ifnet_name;
779 SLIST_ENTRY(adapter) link;
782 const struct devnames *names;
784 /* PCIe register resources */
786 struct resource *regs_res;
788 struct resource *msix_res;
789 bus_space_handle_t bh;
793 struct resource *udbs_res;
794 volatile uint8_t *udbs_base;
798 unsigned int vpd_busy;
799 unsigned int vpd_flag;
801 /* Interrupt information */
805 struct resource *res;
809 struct sge_nm_rxq *nm_rxq;
810 } __aligned(CACHE_LINE_SIZE) *irq;
812 int sge_kdoorbell_reg;
814 bus_dma_tag_t dmat; /* Parent DMA tag */
820 struct taskqueue *tq[MAX_NCHAN]; /* General purpose taskqueues */
821 struct port_info *port[MAX_NPORTS];
822 uint8_t chan_map[MAX_NCHAN]; /* channel -> port */
824 struct mtx clip_table_lock;
825 TAILQ_HEAD(, clip_entry) clip_table;
828 void *tom_softc; /* (struct tom_data *) */
829 struct tom_tunables tt;
830 struct t4_offload_policy *policy;
831 struct rwlock policy_lock;
833 void *iwarp_softc; /* (struct c4iw_dev *) */
834 struct iw_tunables iwt;
835 void *iscsi_ulp_softc; /* (struct cxgbei_data *) */
836 void *ccr_softc; /* (struct ccr_softc *) */
837 struct l2t_data *l2t; /* L2 table */
838 struct smt_data *smt; /* Source MAC Table */
839 struct tid_info tids;
843 int offload_map; /* ports with IFCAP_TOE enabled */
844 int active_ulds; /* ULDs activated on this adapter */
848 char ifp_lockname[16];
850 struct ifnet *ifp; /* tracer ifp */
851 struct ifmedia media;
852 int traceq; /* iq used by all tracers, -1 if none */
853 int tracer_valid; /* bitmap of valid tracers */
854 int tracer_enabled; /* bitmap of enabled tracers */
862 struct adapter_params params;
863 const struct chip_params *chip_params;
864 struct t4_virt_res vres;
876 struct sysctl_ctx_list ctx; /* from adapter_full_init to full_uninit */
881 /* Starving free lists */
882 struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */
883 TAILQ_HEAD(, sge_fl) sfl;
884 struct callout sfl_callout;
886 struct mtx reg_lock; /* for indirect register access */
888 struct memwin memwin[NUM_MEMWIN]; /* memory windows */
894 const void *last_op_thr;
898 #define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock)
899 #define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock)
900 #define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED)
901 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED)
903 #define ASSERT_SYNCHRONIZED_OP(sc) \
904 KASSERT(IS_BUSY(sc) && \
905 (mtx_owned(&(sc)->sc_lock) || sc->last_op_thr == curthread), \
906 ("%s: operation not synchronized.", __func__))
908 #define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock)
909 #define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock)
910 #define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED)
911 #define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED)
913 #define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock)
914 #define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock)
915 #define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock)
916 #define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED)
917 #define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED)
919 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl)
920 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl)
921 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
922 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
924 #define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock)
925 #define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock)
926 #define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock)
927 #define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED)
928 #define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED)
930 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq)
931 #define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq)
932 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq)
933 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
934 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
936 #define for_each_txq(vi, iter, q) \
937 for (q = &vi->pi->adapter->sge.txq[vi->first_txq], iter = 0; \
938 iter < vi->ntxq; ++iter, ++q)
939 #define for_each_rxq(vi, iter, q) \
940 for (q = &vi->pi->adapter->sge.rxq[vi->first_rxq], iter = 0; \
941 iter < vi->nrxq; ++iter, ++q)
942 #define for_each_ofld_txq(vi, iter, q) \
943 for (q = &vi->pi->adapter->sge.ofld_txq[vi->first_ofld_txq], iter = 0; \
944 iter < vi->nofldtxq; ++iter, ++q)
945 #define for_each_ofld_rxq(vi, iter, q) \
946 for (q = &vi->pi->adapter->sge.ofld_rxq[vi->first_ofld_rxq], iter = 0; \
947 iter < vi->nofldrxq; ++iter, ++q)
948 #define for_each_nm_txq(vi, iter, q) \
949 for (q = &vi->pi->adapter->sge.nm_txq[vi->first_nm_txq], iter = 0; \
950 iter < vi->nnmtxq; ++iter, ++q)
951 #define for_each_nm_rxq(vi, iter, q) \
952 for (q = &vi->pi->adapter->sge.nm_rxq[vi->first_nm_rxq], iter = 0; \
953 iter < vi->nnmrxq; ++iter, ++q)
954 #define for_each_vi(_pi, _iter, _vi) \
955 for ((_vi) = (_pi)->vi, (_iter) = 0; (_iter) < (_pi)->nvi; \
958 #define IDXINCR(idx, incr, wrap) do { \
959 idx = wrap - idx > incr ? idx + incr : incr - (wrap - idx); \
961 #define IDXDIFF(head, tail, wrap) \
962 ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head))
964 /* One for errors, one for firmware events */
965 #define T4_EXTRA_INTR 2
967 /* One for firmware events */
968 #define T4VF_EXTRA_INTR 1
971 forwarding_intr_to_fwq(struct adapter *sc)
974 return (sc->intr_count == 1);
977 static inline uint32_t
978 t4_read_reg(struct adapter *sc, uint32_t reg)
981 return bus_space_read_4(sc->bt, sc->bh, reg);
985 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
988 bus_space_write_4(sc->bt, sc->bh, reg, val);
991 static inline uint64_t
992 t4_read_reg64(struct adapter *sc, uint32_t reg)
996 return bus_space_read_8(sc->bt, sc->bh, reg);
998 return (uint64_t)bus_space_read_4(sc->bt, sc->bh, reg) +
999 ((uint64_t)bus_space_read_4(sc->bt, sc->bh, reg + 4) << 32);
1005 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
1009 bus_space_write_8(sc->bt, sc->bh, reg, val);
1011 bus_space_write_4(sc->bt, sc->bh, reg, val);
1012 bus_space_write_4(sc->bt, sc->bh, reg + 4, val>> 32);
1017 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
1020 *val = pci_read_config(sc->dev, reg, 1);
1024 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
1027 pci_write_config(sc->dev, reg, val, 1);
1031 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
1034 *val = pci_read_config(sc->dev, reg, 2);
1038 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
1041 pci_write_config(sc->dev, reg, val, 2);
1045 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
1048 *val = pci_read_config(sc->dev, reg, 4);
1052 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
1055 pci_write_config(sc->dev, reg, val, 4);
1058 static inline struct port_info *
1059 adap2pinfo(struct adapter *sc, int idx)
1062 return (sc->port[idx]);
1066 t4_os_set_hw_addr(struct port_info *pi, uint8_t hw_addr[])
1069 bcopy(hw_addr, pi->vi[0].hw_addr, ETHER_ADDR_LEN);
1073 tx_resume_threshold(struct sge_eq *eq)
1076 /* not quite the same as qsize / 4, but this will do. */
1077 return (eq->sidx / 4);
1081 t4_use_ldst(struct adapter *sc)
1085 return (sc->flags & FW_OK || !sc->use_bd);
1092 CH_DUMP_MBOX(struct adapter *sc, int mbox, const int reg,
1093 const char *msg, const __be64 *const p, const bool err)
1096 if (!(sc->debug_flags & DF_DUMP_MBOX) && !err)
1099 log(err ? LOG_ERR : LOG_DEBUG,
1100 "%s: mbox %u %s %016llx %016llx %016llx %016llx "
1101 "%016llx %016llx %016llx %016llx\n",
1102 device_get_nameunit(sc->dev), mbox, msg,
1103 (long long)be64_to_cpu(p[0]), (long long)be64_to_cpu(p[1]),
1104 (long long)be64_to_cpu(p[2]), (long long)be64_to_cpu(p[3]),
1105 (long long)be64_to_cpu(p[4]), (long long)be64_to_cpu(p[5]),
1106 (long long)be64_to_cpu(p[6]), (long long)be64_to_cpu(p[7]));
1108 log(err ? LOG_ERR : LOG_DEBUG,
1109 "%s: mbox %u %s %016llx %016llx %016llx %016llx "
1110 "%016llx %016llx %016llx %016llx\n",
1111 device_get_nameunit(sc->dev), mbox, msg,
1112 (long long)t4_read_reg64(sc, reg),
1113 (long long)t4_read_reg64(sc, reg + 8),
1114 (long long)t4_read_reg64(sc, reg + 16),
1115 (long long)t4_read_reg64(sc, reg + 24),
1116 (long long)t4_read_reg64(sc, reg + 32),
1117 (long long)t4_read_reg64(sc, reg + 40),
1118 (long long)t4_read_reg64(sc, reg + 48),
1119 (long long)t4_read_reg64(sc, reg + 56));
1126 extern int t4_intr_types;
1127 extern int t4_tmr_idx;
1128 extern int t4_pktc_idx;
1129 extern unsigned int t4_qsize_rxq;
1130 extern unsigned int t4_qsize_txq;
1131 extern device_method_t cxgbe_methods[];
1133 int t4_os_find_pci_capability(struct adapter *, int);
1134 int t4_os_pci_save_state(struct adapter *);
1135 int t4_os_pci_restore_state(struct adapter *);
1136 void t4_os_portmod_changed(struct port_info *);
1137 void t4_os_link_changed(struct port_info *);
1138 void t4_iterate(void (*)(struct adapter *, void *), void *);
1139 void t4_init_devnames(struct adapter *);
1140 void t4_add_adapter(struct adapter *);
1141 void t4_aes_getdeckey(void *, const void *, unsigned int);
1142 int t4_detach_common(device_t);
1143 int t4_map_bars_0_and_4(struct adapter *);
1144 int t4_map_bar_2(struct adapter *);
1145 int t4_setup_intr_handlers(struct adapter *);
1146 void t4_sysctls(struct adapter *);
1147 int begin_synchronized_op(struct adapter *, struct vi_info *, int, char *);
1148 void doom_vi(struct adapter *, struct vi_info *);
1149 void end_synchronized_op(struct adapter *, int);
1150 int update_mac_settings(struct ifnet *, int);
1151 int adapter_full_init(struct adapter *);
1152 int adapter_full_uninit(struct adapter *);
1153 uint64_t cxgbe_get_counter(struct ifnet *, ift_counter);
1154 int vi_full_init(struct vi_info *);
1155 int vi_full_uninit(struct vi_info *);
1156 void vi_sysctls(struct vi_info *);
1157 void vi_tick(void *);
1158 int rw_via_memwin(struct adapter *, int, uint32_t, uint32_t *, int, int);
1159 int alloc_atid_tab(struct tid_info *, int);
1160 void free_atid_tab(struct tid_info *);
1161 int alloc_atid(struct adapter *, void *);
1162 void *lookup_atid(struct adapter *, int);
1163 void free_atid(struct adapter *, int);
1164 void release_tid(struct adapter *, int, struct sge_wrq *);
1165 int cxgbe_media_change(struct ifnet *);
1166 void cxgbe_media_status(struct ifnet *, struct ifmediareq *);
1167 bool t4_os_dump_cimla(struct adapter *, int, bool);
1168 void t4_os_dump_devlog(struct adapter *);
1173 void cxgbe_nm_attach(struct vi_info *);
1174 void cxgbe_nm_detach(struct vi_info *);
1175 void service_nm_rxq(struct sge_nm_rxq *);
1179 void t4_sge_modload(void);
1180 void t4_sge_modunload(void);
1181 uint64_t t4_sge_extfree_refs(void);
1182 void t4_tweak_chip_settings(struct adapter *);
1183 int t4_read_chip_settings(struct adapter *);
1184 int t4_create_dma_tag(struct adapter *);
1185 void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *,
1186 struct sysctl_oid_list *);
1187 int t4_destroy_dma_tag(struct adapter *);
1188 int t4_setup_adapter_queues(struct adapter *);
1189 int t4_teardown_adapter_queues(struct adapter *);
1190 int t4_setup_vi_queues(struct vi_info *);
1191 int t4_teardown_vi_queues(struct vi_info *);
1192 void t4_intr_all(void *);
1193 void t4_intr(void *);
1195 void t4_nm_intr(void *);
1196 void t4_vi_intr(void *);
1198 void t4_intr_err(void *);
1199 void t4_intr_evt(void *);
1200 void t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct wrqe *);
1201 void t4_update_fl_bufsize(struct ifnet *);
1202 struct mbuf *alloc_wr_mbuf(int, int);
1203 int parse_pkt(struct adapter *, struct mbuf **);
1204 void *start_wrq_wr(struct sge_wrq *, int, struct wrq_cookie *);
1205 void commit_wrq_wr(struct sge_wrq *, void *, struct wrq_cookie *);
1206 int tnl_cong(struct port_info *, int);
1207 void t4_register_an_handler(an_handler_t);
1208 void t4_register_fw_msg_handler(int, fw_msg_handler_t);
1209 void t4_register_cpl_handler(int, cpl_handler_t);
1210 void t4_register_shared_cpl_handler(int, cpl_handler_t, int);
1212 int ethofld_transmit(struct ifnet *, struct mbuf *);
1213 void send_etid_flush_wr(struct cxgbe_snd_tag *);
1218 void t4_tracer_modload(void);
1219 void t4_tracer_modunload(void);
1220 void t4_tracer_port_detach(struct adapter *);
1221 int t4_get_tracer(struct adapter *, struct t4_tracer *);
1222 int t4_set_tracer(struct adapter *, struct t4_tracer *);
1223 int t4_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1224 int t5_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1227 int t4_set_sched_class(struct adapter *, struct t4_sched_params *);
1228 int t4_set_sched_queue(struct adapter *, struct t4_sched_queue *);
1229 int t4_init_tx_sched(struct adapter *);
1230 int t4_free_tx_sched(struct adapter *);
1231 void t4_update_tx_sched(struct adapter *);
1232 int t4_reserve_cl_rl_kbps(struct adapter *, int, u_int, int *);
1233 void t4_release_cl_rl(struct adapter *, int, int);
1234 int sysctl_tc(SYSCTL_HANDLER_ARGS);
1235 int sysctl_tc_params(SYSCTL_HANDLER_ARGS);
1237 void t4_init_etid_table(struct adapter *);
1238 void t4_free_etid_table(struct adapter *);
1239 struct cxgbe_snd_tag *lookup_etid(struct adapter *, int);
1240 int cxgbe_snd_tag_alloc(struct ifnet *, union if_snd_tag_alloc_params *,
1241 struct m_snd_tag **);
1242 int cxgbe_snd_tag_modify(struct m_snd_tag *, union if_snd_tag_modify_params *);
1243 int cxgbe_snd_tag_query(struct m_snd_tag *, union if_snd_tag_query_params *);
1244 void cxgbe_snd_tag_free(struct m_snd_tag *);
1245 void cxgbe_snd_tag_free_locked(struct cxgbe_snd_tag *);
1249 int get_filter_mode(struct adapter *, uint32_t *);
1250 int set_filter_mode(struct adapter *, uint32_t);
1251 int get_filter(struct adapter *, struct t4_filter *);
1252 int set_filter(struct adapter *, struct t4_filter *);
1253 int del_filter(struct adapter *, struct t4_filter *);
1254 int t4_filter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1255 int t4_hashfilter_ao_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1256 int t4_hashfilter_tcb_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1257 int t4_del_hashfilter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1258 void free_hftid_hash(struct tid_info *);
1260 static inline struct wrqe *
1261 alloc_wrqe(int wr_len, struct sge_wrq *wrq)
1263 int len = offsetof(struct wrqe, wr) + wr_len;
1266 wr = malloc(len, M_CXGBE, M_NOWAIT);
1267 if (__predict_false(wr == NULL))
1269 wr->wr_len = wr_len;
1274 static inline void *
1275 wrtod(struct wrqe *wr)
1277 return (&wr->wr[0]);
1281 free_wrqe(struct wrqe *wr)
1287 t4_wrq_tx(struct adapter *sc, struct wrqe *wr)
1289 struct sge_wrq *wrq = wr->wrq;
1292 t4_wrq_tx_locked(sc, wrq, wr);
1297 read_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val,
1301 return (rw_via_memwin(sc, idx, addr, val, len, 0));
1305 write_via_memwin(struct adapter *sc, int idx, uint32_t addr,
1306 const uint32_t *val, int len)
1309 return (rw_via_memwin(sc, idx, addr, (void *)(uintptr_t)val, len, 1));