2 * Copyright (c) 2011 Chelsio Communications, Inc.
4 * Written by: Navdeep Parhar <np@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef __T4_ADAPTER_H__
32 #define __T4_ADAPTER_H__
34 #include <sys/kernel.h>
37 #include <sys/types.h>
38 #include <sys/malloc.h>
39 #include <dev/pci/pcivar.h>
40 #include <dev/pci/pcireg.h>
41 #include <machine/bus.h>
42 #include <sys/socket.h>
43 #include <sys/sysctl.h>
44 #include <net/ethernet.h>
46 #include <net/if_media.h>
47 #include <netinet/in.h>
48 #include <netinet/tcp_lro.h>
52 #include "common/t4_msg.h"
53 #include "firmware/t4fw_interface.h"
55 #define KTR_CXGBE KTR_SPARE3
56 MALLOC_DECLARE(M_CXGBE);
57 #define CXGBE_UNIMPLEMENTED(s) \
58 panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__)
60 #if defined(__i386__) || defined(__amd64__)
64 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
70 #ifndef SYSCTL_ADD_UQUAD
71 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
72 #define sysctl_handle_64 sysctl_handle_quad
73 #define CTLTYPE_U64 CTLTYPE_QUAD
76 #if (__FreeBSD_version >= 900030) || \
77 ((__FreeBSD_version >= 802507) && (__FreeBSD_version < 900000))
82 typedef struct adapter adapter_t;
86 * All ingress queues use this entry size. Note that the firmware event
87 * queue and any iq expecting CPL_RX_PKT in the descriptor needs this to
92 /* Default queue sizes for all kinds of ingress queues */
96 /* All egress queues use this entry size */
99 /* Default queue sizes for all kinds of egress queues */
103 #if MJUMPAGESIZE != MCLBYTES
104 SW_ZONE_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */
106 SW_ZONE_SIZES = 3, /* cluster, jumbo9k, jumbo16k */
108 CL_METADATA_SIZE = CACHE_LINE_SIZE,
110 SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / EQ_ESIZE, /* max WR size in desc */
112 TX_SGL_SEGS_TSO = 38,
113 TX_WR_FLITS = SGE_MAX_WR_LEN / 8
117 /* adapter intr_type */
118 INTR_INTX = (1 << 0),
124 XGMAC_MTU = (1 << 0),
125 XGMAC_PROMISC = (1 << 1),
126 XGMAC_ALLMULTI = (1 << 2),
127 XGMAC_VLANEX = (1 << 3),
128 XGMAC_UCADDR = (1 << 4),
129 XGMAC_MCADDRS = (1 << 5),
135 /* flags understood by begin_synchronized_op */
136 HOLD_LOCK = (1 << 0),
140 /* flags understood by end_synchronized_op */
141 LOCK_HELD = HOLD_LOCK,
146 FULL_INIT_DONE = (1 << 0),
148 /* INTR_DIRECT = (1 << 2), No longer used. */
149 MASTER_PF = (1 << 3),
150 ADAP_SYSCTL_CTX = (1 << 4),
151 /* TOM_INIT_DONE= (1 << 5), No longer used */
152 BUF_PACKING_OK = (1 << 6),
155 CXGBE_BUSY = (1 << 9),
158 HAS_TRACEQ = (1 << 3),
162 VI_INIT_DONE = (1 << 1),
163 VI_SYSCTL_CTX = (1 << 2),
164 INTR_RXQ = (1 << 4), /* All NIC rxq's take interrupts */
165 INTR_OFLD_RXQ = (1 << 5), /* All TOE rxq's take interrupts */
166 INTR_ALL = (INTR_RXQ | INTR_OFLD_RXQ),
168 /* adapter debug_flags */
169 DF_DUMP_MBOX = (1 << 0),
172 #define IS_DOOMED(vi) ((vi)->flags & DOOMED)
173 #define SET_DOOMED(vi) do {(vi)->flags |= DOOMED;} while (0)
174 #define IS_BUSY(sc) ((sc)->flags & CXGBE_BUSY)
175 #define SET_BUSY(sc) do {(sc)->flags |= CXGBE_BUSY;} while (0)
176 #define CLR_BUSY(sc) do {(sc)->flags &= ~CXGBE_BUSY;} while (0)
180 struct port_info *pi;
183 struct ifmedia media;
188 uint16_t *rss, *nm_rss;
189 int smt_idx; /* for convenience */
191 int16_t xact_addr_filt;/* index of exact MAC address filter */
192 uint16_t rss_size; /* size of VI's RSS table slice */
193 uint16_t rss_base; /* start of VI's RSS table slice */
195 eventhandler_tag vlan_c;
200 /* These need to be int as they are used in sysctl */
201 int ntxq; /* # of tx queues */
202 int first_txq; /* index of first tx queue */
203 int rsrv_noflowq; /* Reserve queue 0 for non-flowid packets */
204 int nrxq; /* # of rx queues */
205 int first_rxq; /* index of first rx queue */
206 int nofldtxq; /* # of offload tx queues */
207 int first_ofld_txq; /* index of first offload tx queue */
208 int nofldrxq; /* # of offload rx queues */
209 int first_ofld_rxq; /* index of first offload rx queue */
219 struct timeval last_refreshed;
220 struct fw_vi_stats_vf stats;
223 struct sysctl_ctx_list ctx; /* from ifconfig up to driver detach */
225 uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */
228 struct tx_ch_rl_params {
229 enum fw_sched_params_rate ratemode; /* %port (REL) or kbps (ABS) */
234 TX_CLRL_REFRESH = (1 << 0), /* Need to update hardware state. */
235 TX_CLRL_ERROR = (1 << 1), /* Error, hardware state unknown. */
238 struct tx_cl_rl_params {
241 enum fw_sched_params_rate ratemode; /* %port REL or ABS value */
242 enum fw_sched_params_unit rateunit; /* kbps or pps (when ABS) */
243 enum fw_sched_params_mode mode; /* aggr or per-flow */
248 /* Tx scheduler parameters for a channel/port */
249 struct tx_sched_params {
250 /* Channel Rate Limiter */
251 struct tx_ch_rl_params ch_rl;
256 /* Class Rate Limiter */
257 struct tx_cl_rl_params cl_rl[];
262 struct adapter *adapter;
269 struct tx_sched_params *sched_params;
275 uint8_t lport; /* associated offload logical port */
281 uint8_t rx_chan_map; /* rx MPS channel bitmap */
283 struct link_config link_cfg;
285 struct timeval last_refreshed;
286 struct port_stats stats;
287 u_int tx_parse_error;
292 #define IS_MAIN_VI(vi) ((vi) == &((vi)->pi->vi[0]))
294 /* Where the cluster came from, how it has been carved up. */
295 struct cluster_layout {
298 uint16_t region1; /* mbufs laid out within this region */
299 /* region2 is the DMA region */
300 uint16_t region3; /* cluster_metadata within this region */
303 struct cluster_metadata {
305 struct fl_sdesc *sd; /* For debug only. Could easily be stale */
310 uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */
311 struct cluster_layout cll;
319 struct mbuf *m; /* m_nextpkt linked chain of frames */
320 uint8_t desc_used; /* # of hardware descriptors used by the WR */
324 #define IQ_PAD (IQ_ESIZE - sizeof(struct rsp_ctrl) - sizeof(struct rss_header))
326 struct rss_header rss;
331 CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE);
335 IQ_ALLOCATED = (1 << 0), /* firmware resources allocated */
336 IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
337 IQ_INTR = (1 << 2), /* iq takes direct interrupt */
338 IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */
345 /* netmap related flags */
353 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
355 typedef int (*an_handler_t)(struct sge_iq *, const struct rsp_ctrl *);
356 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
359 * Ingress Queue: T4 is producer, driver is consumer.
364 struct adapter *adapter;
365 cpl_handler_t set_tcb_rpl;
366 cpl_handler_t l2t_write_rpl;
367 struct iq_desc *desc; /* KVA of descriptor ring */
368 int8_t intr_pktc_idx; /* packet count threshold index */
369 uint8_t gen; /* generation bit */
370 uint8_t intr_params; /* interrupt holdoff parameters */
371 uint8_t intr_next; /* XXX: holdoff for next interrupt */
372 uint16_t qsize; /* size (# of entries) of the queue */
373 uint16_t sidx; /* index of the entry with the status page */
374 uint16_t cidx; /* consumer index */
375 uint16_t cntxt_id; /* SGE context id for the iq */
376 uint16_t abs_id; /* absolute SGE id for the iq */
378 STAILQ_ENTRY(sge_iq) link;
380 bus_dma_tag_t desc_tag;
381 bus_dmamap_t desc_map;
382 bus_addr_t ba; /* bus address of descriptor ring */
391 EQ_TYPEMASK = 0x3, /* 2 lsbits hold the type (see above) */
392 EQ_ALLOCATED = (1 << 2), /* firmware resources allocated */
393 EQ_ENABLED = (1 << 3), /* open for business */
394 EQ_QFLUSH = (1 << 4), /* if_qflush in progress */
397 /* Listed in order of preference. Update t4_sysctls too if you change these */
398 enum {DOORBELL_UDB, DOORBELL_WCWR, DOORBELL_UDBWC, DOORBELL_KDB};
401 * Egress Queue: driver is producer, T4 is consumer.
403 * Note: A free list is an egress queue (driver produces the buffers and T4
404 * consumes them) but it's special enough to have its own struct (see sge_fl).
407 unsigned int flags; /* MUST be first */
408 unsigned int cntxt_id; /* SGE context id for the eq */
409 unsigned int abs_id; /* absolute SGE id for the eq */
412 struct tx_desc *desc; /* KVA of descriptor ring */
414 volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */
415 u_int udb_qid; /* relative qid within the doorbell page */
416 uint16_t sidx; /* index of the entry with the status page */
417 uint16_t cidx; /* consumer idx (desc idx) */
418 uint16_t pidx; /* producer idx (desc idx) */
419 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
420 uint16_t dbidx; /* pidx of the most recent doorbell */
421 uint16_t iqid; /* iq that gets egr_update for the eq */
422 uint8_t tx_chan; /* tx channel used by the eq */
423 volatile u_int equiq; /* EQUIQ outstanding */
425 bus_dma_tag_t desc_tag;
426 bus_dmamap_t desc_map;
427 bus_addr_t ba; /* bus address of descriptor ring */
431 struct sw_zone_info {
432 uma_zone_t zone; /* zone that this cluster comes from */
433 int size; /* size of cluster: 2K, 4K, 9K, 16K, etc. */
434 int type; /* EXT_xxx type of the cluster */
440 int8_t zidx; /* backpointer to zone; -ve means unused */
441 int8_t next; /* next hwidx for this zone; -1 means no more */
448 MEMWIN0_APERTURE = 2048,
449 MEMWIN0_BASE = 0x1b800,
451 MEMWIN1_APERTURE = 32768,
452 MEMWIN1_BASE = 0x28000,
454 MEMWIN2_APERTURE_T4 = 65536,
455 MEMWIN2_BASE_T4 = 0x30000,
457 MEMWIN2_APERTURE_T5 = 128 * 1024,
458 MEMWIN2_BASE_T5 = 0x60000,
462 struct rwlock mw_lock __aligned(CACHE_LINE_SIZE);
463 uint32_t mw_base; /* constant after setup_memwin */
464 uint32_t mw_aperture; /* ditto */
465 uint32_t mw_curpos; /* protected by mw_lock */
469 FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */
470 FL_DOOMED = (1 << 1), /* about to be destroyed */
471 FL_BUF_PACKING = (1 << 2), /* buffer packing enabled */
472 FL_BUF_RESUME = (1 << 3), /* resume from the middle of the frame */
475 #define FL_RUNNING_LOW(fl) \
476 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) <= fl->lowat)
477 #define FL_NOT_RUNNING_LOW(fl) \
478 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) >= 2 * fl->lowat)
482 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */
483 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */
484 struct cluster_layout cll_def; /* default refill zone, layout */
485 uint16_t lowat; /* # of buffers <= this means fl needs help */
487 uint16_t buf_boundary;
489 /* The 16b idx all deal with hw descriptors */
490 uint16_t dbidx; /* hw pidx after last doorbell */
491 uint16_t sidx; /* index of status page */
492 volatile uint16_t hw_cidx;
494 /* The 32b idx are all buffer idx, not hardware descriptor idx */
495 uint32_t cidx; /* consumer index */
496 uint32_t pidx; /* producer index */
499 u_int rx_offset; /* offset in fl buf (when buffer packing) */
500 volatile uint32_t *udb;
502 uint64_t mbuf_allocated;/* # of mbuf allocated from zone_mbuf */
503 uint64_t mbuf_inlined; /* # of mbuf created within clusters */
504 uint64_t cl_allocated; /* # of clusters allocated */
505 uint64_t cl_recycled; /* # of clusters recycled */
506 uint64_t cl_fast_recycled; /* # of clusters recycled (fast) */
508 /* These 3 are valid when FL_BUF_RESUME is set, stale otherwise. */
513 uint16_t qsize; /* # of hw descriptors (status page included) */
514 uint16_t cntxt_id; /* SGE context id for the freelist */
515 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
516 bus_dma_tag_t desc_tag;
517 bus_dmamap_t desc_map;
519 bus_addr_t ba; /* bus address of descriptor ring */
520 struct cluster_layout cll_alt; /* alternate refill zone, layout */
525 /* txq: SGE egress queue + what's needed for Ethernet NIC */
527 struct sge_eq eq; /* MUST be first */
529 struct ifnet *ifp; /* the interface this txq belongs to */
530 struct mp_ring *r; /* tx software ring */
531 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */
533 __be32 cpl_ctrl0; /* for convenience */
534 int tc_idx; /* traffic class */
536 struct task tx_reclaim_task;
537 /* stats for common events first */
539 uint64_t txcsum; /* # of times hardware assisted with checksum */
540 uint64_t tso_wrs; /* # of TSO work requests */
541 uint64_t vlan_insertion;/* # of times VLAN tag was inserted */
542 uint64_t imm_wrs; /* # of work requests with immediate data */
543 uint64_t sgl_wrs; /* # of work requests with direct SGL */
544 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */
545 uint64_t txpkts0_wrs; /* # of type0 coalesced tx work requests */
546 uint64_t txpkts1_wrs; /* # of type1 coalesced tx work requests */
547 uint64_t txpkts0_pkts; /* # of frames in type0 coalesced tx WRs */
548 uint64_t txpkts1_pkts; /* # of frames in type1 coalesced tx WRs */
550 /* stats for not-that-common events */
551 } __aligned(CACHE_LINE_SIZE);
553 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */
555 struct sge_iq iq; /* MUST be first */
556 struct sge_fl fl; /* MUST follow iq */
558 struct ifnet *ifp; /* the interface this rxq belongs to */
559 #if defined(INET) || defined(INET6)
560 struct lro_ctrl lro; /* LRO state */
563 /* stats for common events first */
565 uint64_t rxcsum; /* # of times hardware assisted with checksum */
566 uint64_t vlan_extraction;/* # of times VLAN tag was extracted */
568 /* stats for not-that-common events */
570 } __aligned(CACHE_LINE_SIZE);
572 static inline struct sge_rxq *
573 iq_to_rxq(struct sge_iq *iq)
576 return (__containerof(iq, struct sge_rxq, iq));
580 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
581 struct sge_ofld_rxq {
582 struct sge_iq iq; /* MUST be first */
583 struct sge_fl fl; /* MUST follow iq */
584 } __aligned(CACHE_LINE_SIZE);
586 static inline struct sge_ofld_rxq *
587 iq_to_ofld_rxq(struct sge_iq *iq)
590 return (__containerof(iq, struct sge_ofld_rxq, iq));
594 STAILQ_ENTRY(wrqe) link;
597 char wr[] __aligned(16);
601 TAILQ_ENTRY(wrq_cookie) link;
607 * wrq: SGE egress queue that is given prebuilt work requests. Both the control
608 * and offload tx queues are of this type.
611 struct sge_eq eq; /* MUST be first */
613 struct adapter *adapter;
614 struct task wrq_tx_task;
616 /* Tx desc reserved but WR not "committed" yet. */
617 TAILQ_HEAD(wrq_incomplete_wrs , wrq_cookie) incomplete_wrs;
619 /* List of WRs ready to go out as soon as descriptors are available. */
620 STAILQ_HEAD(, wrqe) wr_list;
624 /* stats for common events first */
626 uint64_t tx_wrs_direct; /* # of WRs written directly to desc ring. */
627 uint64_t tx_wrs_ss; /* # of WRs copied from scratch space. */
628 uint64_t tx_wrs_copied; /* # of WRs queued and copied to desc ring. */
630 /* stats for not-that-common events */
633 * Scratch space for work requests that wrap around after reaching the
634 * status page, and some infomation about the last WR that used it.
638 uint8_t ss[SGE_MAX_WR_LEN];
640 } __aligned(CACHE_LINE_SIZE);
646 struct iq_desc *iq_desc;
648 uint16_t iq_cntxt_id;
654 uint16_t fl_cntxt_id;
661 u_int nid; /* netmap ring # for this queue */
663 /* infrequently used items after this */
665 bus_dma_tag_t iq_desc_tag;
666 bus_dmamap_t iq_desc_map;
670 bus_dma_tag_t fl_desc_tag;
671 bus_dmamap_t fl_desc_map;
673 } __aligned(CACHE_LINE_SIZE);
676 struct tx_desc *desc;
680 uint16_t equiqidx; /* EQUIQ last requested at this pidx */
681 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
682 uint16_t dbidx; /* pidx of the most recent doorbell */
684 volatile uint32_t *udb;
687 __be32 cpl_ctrl0; /* for convenience */
688 u_int nid; /* netmap ring # for this queue */
690 /* infrequently used items after this */
692 bus_dma_tag_t desc_tag;
693 bus_dmamap_t desc_map;
696 } __aligned(CACHE_LINE_SIZE);
699 int nrxq; /* total # of Ethernet rx queues */
700 int ntxq; /* total # of Ethernet tx queues */
701 int nofldrxq; /* total # of TOE rx queues */
702 int nofldtxq; /* total # of TOE tx queues */
703 int nnmrxq; /* total # of netmap rx queues */
704 int nnmtxq; /* total # of netmap tx queues */
705 int niq; /* total # of ingress queues */
706 int neq; /* total # of egress queues */
708 struct sge_iq fwq; /* Firmware event queue */
709 struct sge_wrq mgmtq; /* Management queue (control queue) */
710 struct sge_wrq *ctrlq; /* Control queues */
711 struct sge_txq *txq; /* NIC tx queues */
712 struct sge_rxq *rxq; /* NIC rx queues */
713 struct sge_wrq *ofld_txq; /* TOE tx queues */
714 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */
715 struct sge_nm_txq *nm_txq; /* netmap tx queues */
716 struct sge_nm_rxq *nm_rxq; /* netmap rx queues */
718 uint16_t iq_start; /* first cntxt_id */
719 uint16_t iq_base; /* first abs_id */
720 int eq_start; /* first cntxt_id */
721 int eq_base; /* first abs_id */
722 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */
723 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */
725 int8_t safe_hwidx1; /* may not have room for metadata */
726 int8_t safe_hwidx2; /* with room for metadata and maybe more */
727 struct sw_zone_info sw_zone_info[SW_ZONE_SIZES];
728 struct hw_buf_info hw_buf_info[SGE_FLBUF_SIZES];
732 const char *nexus_name;
733 const char *ifnet_name;
734 const char *vi_ifnet_name;
735 const char *pf03_drv_name;
736 const char *vf_nexus_name;
737 const char *vf_ifnet_name;
741 SLIST_ENTRY(adapter) link;
744 const struct devnames *names;
746 /* PCIe register resources */
748 struct resource *regs_res;
750 struct resource *msix_res;
751 bus_space_handle_t bh;
755 struct resource *udbs_res;
756 volatile uint8_t *udbs_base;
760 unsigned int vpd_busy;
761 unsigned int vpd_flag;
763 /* Interrupt information */
767 struct resource *res;
769 volatile int nm_state; /* NM_OFF, NM_ON, or NM_BUSY */
772 struct sge_nm_rxq *nm_rxq;
773 } __aligned(CACHE_LINE_SIZE) *irq;
775 int sge_kdoorbell_reg;
777 bus_dma_tag_t dmat; /* Parent DMA tag */
783 struct taskqueue *tq[MAX_NCHAN]; /* General purpose taskqueues */
784 struct port_info *port[MAX_NPORTS];
785 uint8_t chan_map[MAX_NCHAN];
787 void *tom_softc; /* (struct tom_data *) */
788 struct tom_tunables tt;
789 void *iwarp_softc; /* (struct c4iw_dev *) */
790 void *iscsi_ulp_softc; /* (struct cxgbei_data *) */
791 struct l2t_data *l2t; /* L2 table */
792 struct tid_info tids;
795 int offload_map; /* ports with IFCAP_TOE enabled */
796 int active_ulds; /* ULDs activated on this adapter */
800 char ifp_lockname[16];
802 struct ifnet *ifp; /* tracer ifp */
803 struct ifmedia media;
804 int traceq; /* iq used by all tracers, -1 if none */
805 int tracer_valid; /* bitmap of valid tracers */
806 int tracer_enabled; /* bitmap of enabled tracers */
814 struct adapter_params params;
815 const struct chip_params *chip_params;
816 struct t4_virt_res vres;
828 struct sysctl_ctx_list ctx; /* from adapter_full_init to full_uninit */
833 /* Starving free lists */
834 struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */
835 TAILQ_HEAD(, sge_fl) sfl;
836 struct callout sfl_callout;
838 struct mtx reg_lock; /* for indirect register access */
840 struct memwin memwin[NUM_MEMWIN]; /* memory windows */
846 const void *last_op_thr;
850 #define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock)
851 #define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock)
852 #define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED)
853 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED)
855 #define ASSERT_SYNCHRONIZED_OP(sc) \
856 KASSERT(IS_BUSY(sc) && \
857 (mtx_owned(&(sc)->sc_lock) || sc->last_op_thr == curthread), \
858 ("%s: operation not synchronized.", __func__))
860 #define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock)
861 #define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock)
862 #define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED)
863 #define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED)
865 #define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock)
866 #define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock)
867 #define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock)
868 #define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED)
869 #define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED)
871 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl)
872 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl)
873 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
874 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
876 #define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock)
877 #define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock)
878 #define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock)
879 #define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED)
880 #define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED)
882 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq)
883 #define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq)
884 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq)
885 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
886 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
888 #define CH_DUMP_MBOX(sc, mbox, data_reg) \
890 if (sc->debug_flags & DF_DUMP_MBOX) { \
892 "%s mbox %u: %016llx %016llx %016llx %016llx " \
893 "%016llx %016llx %016llx %016llx\n", \
894 device_get_nameunit(sc->dev), mbox, \
895 (unsigned long long)t4_read_reg64(sc, data_reg), \
896 (unsigned long long)t4_read_reg64(sc, data_reg + 8), \
897 (unsigned long long)t4_read_reg64(sc, data_reg + 16), \
898 (unsigned long long)t4_read_reg64(sc, data_reg + 24), \
899 (unsigned long long)t4_read_reg64(sc, data_reg + 32), \
900 (unsigned long long)t4_read_reg64(sc, data_reg + 40), \
901 (unsigned long long)t4_read_reg64(sc, data_reg + 48), \
902 (unsigned long long)t4_read_reg64(sc, data_reg + 56)); \
906 #define for_each_txq(vi, iter, q) \
907 for (q = &vi->pi->adapter->sge.txq[vi->first_txq], iter = 0; \
908 iter < vi->ntxq; ++iter, ++q)
909 #define for_each_rxq(vi, iter, q) \
910 for (q = &vi->pi->adapter->sge.rxq[vi->first_rxq], iter = 0; \
911 iter < vi->nrxq; ++iter, ++q)
912 #define for_each_ofld_txq(vi, iter, q) \
913 for (q = &vi->pi->adapter->sge.ofld_txq[vi->first_ofld_txq], iter = 0; \
914 iter < vi->nofldtxq; ++iter, ++q)
915 #define for_each_ofld_rxq(vi, iter, q) \
916 for (q = &vi->pi->adapter->sge.ofld_rxq[vi->first_ofld_rxq], iter = 0; \
917 iter < vi->nofldrxq; ++iter, ++q)
918 #define for_each_nm_txq(vi, iter, q) \
919 for (q = &vi->pi->adapter->sge.nm_txq[vi->first_nm_txq], iter = 0; \
920 iter < vi->nnmtxq; ++iter, ++q)
921 #define for_each_nm_rxq(vi, iter, q) \
922 for (q = &vi->pi->adapter->sge.nm_rxq[vi->first_nm_rxq], iter = 0; \
923 iter < vi->nnmrxq; ++iter, ++q)
924 #define for_each_vi(_pi, _iter, _vi) \
925 for ((_vi) = (_pi)->vi, (_iter) = 0; (_iter) < (_pi)->nvi; \
928 #define IDXINCR(idx, incr, wrap) do { \
929 idx = wrap - idx > incr ? idx + incr : incr - (wrap - idx); \
931 #define IDXDIFF(head, tail, wrap) \
932 ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head))
934 /* One for errors, one for firmware events */
935 #define T4_EXTRA_INTR 2
937 /* One for firmware events */
938 #define T4VF_EXTRA_INTR 1
940 static inline uint32_t
941 t4_read_reg(struct adapter *sc, uint32_t reg)
944 return bus_space_read_4(sc->bt, sc->bh, reg);
948 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
951 bus_space_write_4(sc->bt, sc->bh, reg, val);
954 static inline uint64_t
955 t4_read_reg64(struct adapter *sc, uint32_t reg)
958 #if defined(__LP64__) && !defined(__ia64__)
959 return bus_space_read_8(sc->bt, sc->bh, reg);
961 return (uint64_t)bus_space_read_4(sc->bt, sc->bh, reg) +
962 ((uint64_t)bus_space_read_4(sc->bt, sc->bh, reg + 4) << 32);
968 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
971 #if defined(__LP64__) && !defined(__ia64__)
972 bus_space_write_8(sc->bt, sc->bh, reg, val);
974 bus_space_write_4(sc->bt, sc->bh, reg, val);
975 bus_space_write_4(sc->bt, sc->bh, reg + 4, val>> 32);
980 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
983 *val = pci_read_config(sc->dev, reg, 1);
987 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
990 pci_write_config(sc->dev, reg, val, 1);
994 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
997 *val = pci_read_config(sc->dev, reg, 2);
1001 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
1004 pci_write_config(sc->dev, reg, val, 2);
1008 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
1011 *val = pci_read_config(sc->dev, reg, 4);
1015 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
1018 pci_write_config(sc->dev, reg, val, 4);
1021 static inline struct port_info *
1022 adap2pinfo(struct adapter *sc, int idx)
1025 return (sc->port[idx]);
1029 t4_os_set_hw_addr(struct adapter *sc, int idx, uint8_t hw_addr[])
1032 bcopy(hw_addr, sc->port[idx]->vi[0].hw_addr, ETHER_ADDR_LEN);
1036 is_10G_port(const struct port_info *pi)
1039 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G) != 0);
1043 is_25G_port(const struct port_info *pi)
1046 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G) != 0);
1050 is_40G_port(const struct port_info *pi)
1053 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G) != 0);
1057 is_100G_port(const struct port_info *pi)
1060 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G) != 0);
1064 port_top_speed(const struct port_info *pi)
1067 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G)
1069 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G)
1071 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G)
1073 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G)
1075 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_1G)
1082 port_top_speed_raw(const struct port_info *pi)
1085 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G)
1086 return (FW_PORT_CAP_SPEED_100G);
1087 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G)
1088 return (FW_PORT_CAP_SPEED_40G);
1089 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G)
1090 return (FW_PORT_CAP_SPEED_25G);
1091 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G)
1092 return (FW_PORT_CAP_SPEED_10G);
1093 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_1G)
1094 return (FW_PORT_CAP_SPEED_1G);
1100 tx_resume_threshold(struct sge_eq *eq)
1103 /* not quite the same as qsize / 4, but this will do. */
1104 return (eq->sidx / 4);
1108 t4_use_ldst(struct adapter *sc)
1112 return (sc->flags & FW_OK || !sc->use_bd);
1119 extern int t4_ntxq10g;
1120 extern int t4_nrxq10g;
1121 extern int t4_ntxq1g;
1122 extern int t4_nrxq1g;
1123 extern int t4_intr_types;
1124 extern int t4_tmr_idx_10g;
1125 extern int t4_pktc_idx_10g;
1126 extern int t4_tmr_idx_1g;
1127 extern int t4_pktc_idx_1g;
1128 extern unsigned int t4_qsize_rxq;
1129 extern unsigned int t4_qsize_txq;
1130 extern device_method_t cxgbe_methods[];
1132 int t4_os_find_pci_capability(struct adapter *, int);
1133 int t4_os_pci_save_state(struct adapter *);
1134 int t4_os_pci_restore_state(struct adapter *);
1135 void t4_os_portmod_changed(const struct adapter *, int);
1136 void t4_os_link_changed(struct adapter *, int, int);
1137 void t4_iterate(void (*)(struct adapter *, void *), void *);
1138 void t4_init_devnames(struct adapter *);
1139 void t4_add_adapter(struct adapter *);
1140 int t4_detach_common(device_t);
1141 int t4_filter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1142 int t4_map_bars_0_and_4(struct adapter *);
1143 int t4_map_bar_2(struct adapter *);
1144 int t4_setup_intr_handlers(struct adapter *);
1145 void t4_sysctls(struct adapter *);
1146 int begin_synchronized_op(struct adapter *, struct vi_info *, int, char *);
1147 void doom_vi(struct adapter *, struct vi_info *);
1148 void end_synchronized_op(struct adapter *, int);
1149 int update_mac_settings(struct ifnet *, int);
1150 int adapter_full_init(struct adapter *);
1151 int adapter_full_uninit(struct adapter *);
1152 uint64_t cxgbe_get_counter(struct ifnet *, ift_counter);
1153 int vi_full_init(struct vi_info *);
1154 int vi_full_uninit(struct vi_info *);
1155 void vi_sysctls(struct vi_info *);
1156 void vi_tick(void *);
1160 void cxgbe_nm_attach(struct vi_info *);
1161 void cxgbe_nm_detach(struct vi_info *);
1162 void t4_nm_intr(void *);
1166 void t4_sge_modload(void);
1167 void t4_sge_modunload(void);
1168 uint64_t t4_sge_extfree_refs(void);
1169 void t4_tweak_chip_settings(struct adapter *);
1170 int t4_read_chip_settings(struct adapter *);
1171 int t4_create_dma_tag(struct adapter *);
1172 void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *,
1173 struct sysctl_oid_list *);
1174 int t4_destroy_dma_tag(struct adapter *);
1175 int t4_setup_adapter_queues(struct adapter *);
1176 int t4_teardown_adapter_queues(struct adapter *);
1177 int t4_setup_vi_queues(struct vi_info *);
1178 int t4_teardown_vi_queues(struct vi_info *);
1179 void t4_intr_all(void *);
1180 void t4_intr(void *);
1181 void t4_vi_intr(void *);
1182 void t4_intr_err(void *);
1183 void t4_intr_evt(void *);
1184 void t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct wrqe *);
1185 void t4_update_fl_bufsize(struct ifnet *);
1186 int parse_pkt(struct adapter *, struct mbuf **);
1187 void *start_wrq_wr(struct sge_wrq *, int, struct wrq_cookie *);
1188 void commit_wrq_wr(struct sge_wrq *, void *, struct wrq_cookie *);
1189 int tnl_cong(struct port_info *, int);
1190 int t4_register_an_handler(an_handler_t);
1191 int t4_register_fw_msg_handler(int, fw_msg_handler_t);
1192 int t4_register_cpl_handler(int, cpl_handler_t);
1196 void t4_tracer_modload(void);
1197 void t4_tracer_modunload(void);
1198 void t4_tracer_port_detach(struct adapter *);
1199 int t4_get_tracer(struct adapter *, struct t4_tracer *);
1200 int t4_set_tracer(struct adapter *, struct t4_tracer *);
1201 int t4_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1202 int t5_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1205 int t4_set_sched_class(struct adapter *, struct t4_sched_params *);
1206 int t4_set_sched_queue(struct adapter *, struct t4_sched_queue *);
1207 int t4_init_tx_sched(struct adapter *);
1208 int t4_free_tx_sched(struct adapter *);
1209 void t4_update_tx_sched(struct adapter *);
1210 int t4_reserve_cl_rl_kbps(struct adapter *, int, u_int, int *);
1211 void t4_release_cl_rl_kbps(struct adapter *, int, int);
1213 static inline struct wrqe *
1214 alloc_wrqe(int wr_len, struct sge_wrq *wrq)
1216 int len = offsetof(struct wrqe, wr) + wr_len;
1219 wr = malloc(len, M_CXGBE, M_NOWAIT);
1220 if (__predict_false(wr == NULL))
1222 wr->wr_len = wr_len;
1227 static inline void *
1228 wrtod(struct wrqe *wr)
1230 return (&wr->wr[0]);
1234 free_wrqe(struct wrqe *wr)
1240 t4_wrq_tx(struct adapter *sc, struct wrqe *wr)
1242 struct sge_wrq *wrq = wr->wrq;
1245 t4_wrq_tx_locked(sc, wrq, wr);