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>
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pcireg.h>
48 #include <machine/bus.h>
49 #include <sys/socket.h>
50 #include <sys/sysctl.h>
51 #include <net/ethernet.h>
53 #include <net/if_var.h>
54 #include <net/if_media.h>
55 #include <netinet/in.h>
56 #include <netinet/tcp_lro.h>
60 #include "common/t4_msg.h"
61 #include "firmware/t4fw_interface.h"
63 #define KTR_CXGBE KTR_SPARE3
64 MALLOC_DECLARE(M_CXGBE);
65 #define CXGBE_UNIMPLEMENTED(s) \
66 panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__)
68 #if defined(__i386__) || defined(__amd64__)
72 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
75 #define prefetch(x) __builtin_prefetch(x)
78 #ifndef SYSCTL_ADD_UQUAD
79 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
80 #define sysctl_handle_64 sysctl_handle_quad
81 #define CTLTYPE_U64 CTLTYPE_QUAD
85 typedef struct adapter adapter_t;
89 * All ingress queues use this entry size. Note that the firmware event
90 * queue and any iq expecting CPL_RX_PKT in the descriptor needs this to
95 /* Default queue sizes for all kinds of ingress queues */
99 /* All egress queues use this entry size */
102 /* Default queue sizes for all kinds of egress queues */
106 #if MJUMPAGESIZE != MCLBYTES
107 SW_ZONE_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */
109 SW_ZONE_SIZES = 3, /* cluster, jumbo9k, jumbo16k */
111 CL_METADATA_SIZE = CACHE_LINE_SIZE,
113 SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / EQ_ESIZE, /* max WR size in desc */
115 TX_SGL_SEGS_TSO = 38,
116 TX_WR_FLITS = SGE_MAX_WR_LEN / 8
120 /* adapter intr_type */
121 INTR_INTX = (1 << 0),
127 XGMAC_MTU = (1 << 0),
128 XGMAC_PROMISC = (1 << 1),
129 XGMAC_ALLMULTI = (1 << 2),
130 XGMAC_VLANEX = (1 << 3),
131 XGMAC_UCADDR = (1 << 4),
132 XGMAC_MCADDRS = (1 << 5),
138 /* flags understood by begin_synchronized_op */
139 HOLD_LOCK = (1 << 0),
143 /* flags understood by end_synchronized_op */
144 LOCK_HELD = HOLD_LOCK,
149 FULL_INIT_DONE = (1 << 0),
151 CHK_MBOX_ACCESS = (1 << 2),
152 MASTER_PF = (1 << 3),
153 ADAP_SYSCTL_CTX = (1 << 4),
154 /* TOM_INIT_DONE= (1 << 5), No longer used */
155 BUF_PACKING_OK = (1 << 6),
158 CXGBE_BUSY = (1 << 9),
161 HAS_TRACEQ = (1 << 3),
162 FIXED_IFMEDIA = (1 << 4), /* ifmedia list doesn't change. */
166 VI_INIT_DONE = (1 << 1),
167 VI_SYSCTL_CTX = (1 << 2),
169 /* adapter debug_flags */
170 DF_DUMP_MBOX = (1 << 0), /* Log all mbox cmd/rpl. */
171 DF_LOAD_FW_ANYTIME = (1 << 1), /* Allow LOAD_FW after init */
172 DF_DISABLE_TCB_CACHE = (1 << 2), /* Disable TCB cache (T6+) */
175 #define IS_DOOMED(vi) ((vi)->flags & DOOMED)
176 #define SET_DOOMED(vi) do {(vi)->flags |= DOOMED;} while (0)
177 #define IS_BUSY(sc) ((sc)->flags & CXGBE_BUSY)
178 #define SET_BUSY(sc) do {(sc)->flags |= CXGBE_BUSY;} while (0)
179 #define CLR_BUSY(sc) do {(sc)->flags &= ~CXGBE_BUSY;} while (0)
183 struct port_info *pi;
190 uint16_t *rss, *nm_rss;
191 int smt_idx; /* for convenience */
193 int16_t xact_addr_filt;/* index of exact MAC address filter */
194 uint16_t rss_size; /* size of VI's RSS table slice */
195 uint16_t rss_base; /* start of VI's RSS table slice */
197 eventhandler_tag vlan_c;
202 /* These need to be int as they are used in sysctl */
203 int ntxq; /* # of tx queues */
204 int first_txq; /* index of first tx queue */
205 int rsrv_noflowq; /* Reserve queue 0 for non-flowid packets */
206 int nrxq; /* # of rx queues */
207 int first_rxq; /* index of first rx queue */
208 int nofldtxq; /* # of offload tx queues */
209 int first_ofld_txq; /* index of first offload tx queue */
210 int nofldrxq; /* # of offload rx queues */
211 int first_ofld_rxq; /* index of first offload rx queue */
223 struct timeval last_refreshed;
224 struct fw_vi_stats_vf stats;
227 struct sysctl_ctx_list ctx; /* from ifconfig up to driver detach */
229 uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */
232 struct tx_ch_rl_params {
233 enum fw_sched_params_rate ratemode; /* %port (REL) or kbps (ABS) */
238 TX_CLRL_REFRESH = (1 << 0), /* Need to update hardware state. */
239 TX_CLRL_ERROR = (1 << 1), /* Error, hardware state unknown. */
242 struct tx_cl_rl_params {
245 enum fw_sched_params_rate ratemode; /* %port REL or ABS value */
246 enum fw_sched_params_unit rateunit; /* kbps or pps (when ABS) */
247 enum fw_sched_params_mode mode; /* aggr or per-flow */
252 /* Tx scheduler parameters for a channel/port */
253 struct tx_sched_params {
254 /* Channel Rate Limiter */
255 struct tx_ch_rl_params ch_rl;
260 /* Class Rate Limiter */
261 struct tx_cl_rl_params cl_rl[];
266 struct adapter *adapter;
273 struct tx_sched_params *sched_params;
279 uint8_t lport; /* associated offload logical port */
285 uint8_t mps_bg_map; /* rx MPS buffer group bitmap */
286 uint8_t rx_e_chan_map; /* rx TP e-channel bitmap */
288 struct link_config link_cfg;
289 struct link_config old_link_cfg;
290 struct ifmedia media;
292 struct timeval last_refreshed;
293 struct port_stats stats;
294 u_int tnl_cong_drops;
295 u_int tx_parse_error;
296 u_long tx_tls_records;
297 u_long tx_tls_octets;
298 u_long rx_tls_records;
299 u_long rx_tls_octets;
304 #define IS_MAIN_VI(vi) ((vi) == &((vi)->pi->vi[0]))
306 /* Where the cluster came from, how it has been carved up. */
307 struct cluster_layout {
310 uint16_t region1; /* mbufs laid out within this region */
311 /* region2 is the DMA region */
312 uint16_t region3; /* cluster_metadata within this region */
315 struct cluster_metadata {
317 struct fl_sdesc *sd; /* For debug only. Could easily be stale */
322 uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */
323 struct cluster_layout cll;
331 struct mbuf *m; /* m_nextpkt linked chain of frames */
332 uint8_t desc_used; /* # of hardware descriptors used by the WR */
336 #define IQ_PAD (IQ_ESIZE - sizeof(struct rsp_ctrl) - sizeof(struct rss_header))
338 struct rss_header rss;
343 CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE);
347 IQ_ALLOCATED = (1 << 0), /* firmware resources allocated */
348 IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
349 /* 1 << 2 Used to be IQ_INTR */
350 IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */
351 IQ_ADJ_CREDIT = (1 << 4), /* hw is off by 1 credit for this iq */
358 /* netmap related flags */
365 CPL_COOKIE_RESERVED = 0,
370 CPL_COOKIE_HASHFILTER,
372 CPL_COOKIE_AVAILABLE3,
374 NUM_CPL_COOKIES = 8 /* Limited by M_COOKIE. Do not increase. */
379 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
381 typedef int (*an_handler_t)(struct sge_iq *, const struct rsp_ctrl *);
382 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
385 * Ingress Queue: T4 is producer, driver is consumer.
390 struct adapter *adapter;
391 struct iq_desc *desc; /* KVA of descriptor ring */
392 int8_t intr_pktc_idx; /* packet count threshold index */
393 uint8_t gen; /* generation bit */
394 uint8_t intr_params; /* interrupt holdoff parameters */
395 uint8_t intr_next; /* XXX: holdoff for next interrupt */
396 uint16_t qsize; /* size (# of entries) of the queue */
397 uint16_t sidx; /* index of the entry with the status page */
398 uint16_t cidx; /* consumer index */
399 uint16_t cntxt_id; /* SGE context id for the iq */
400 uint16_t abs_id; /* absolute SGE id for the iq */
402 STAILQ_ENTRY(sge_iq) link;
404 bus_dma_tag_t desc_tag;
405 bus_dmamap_t desc_map;
406 bus_addr_t ba; /* bus address of descriptor ring */
415 EQ_TYPEMASK = 0x3, /* 2 lsbits hold the type (see above) */
416 EQ_ALLOCATED = (1 << 2), /* firmware resources allocated */
417 EQ_ENABLED = (1 << 3), /* open for business */
418 EQ_QFLUSH = (1 << 4), /* if_qflush in progress */
421 /* Listed in order of preference. Update t4_sysctls too if you change these */
422 enum {DOORBELL_UDB, DOORBELL_WCWR, DOORBELL_UDBWC, DOORBELL_KDB};
425 * Egress Queue: driver is producer, T4 is consumer.
427 * Note: A free list is an egress queue (driver produces the buffers and T4
428 * consumes them) but it's special enough to have its own struct (see sge_fl).
431 unsigned int flags; /* MUST be first */
432 unsigned int cntxt_id; /* SGE context id for the eq */
433 unsigned int abs_id; /* absolute SGE id for the eq */
436 struct tx_desc *desc; /* KVA of descriptor ring */
438 volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */
439 u_int udb_qid; /* relative qid within the doorbell page */
440 uint16_t sidx; /* index of the entry with the status page */
441 uint16_t cidx; /* consumer idx (desc idx) */
442 uint16_t pidx; /* producer idx (desc idx) */
443 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
444 uint16_t dbidx; /* pidx of the most recent doorbell */
445 uint16_t iqid; /* iq that gets egr_update for the eq */
446 uint8_t tx_chan; /* tx channel used by the eq */
447 volatile u_int equiq; /* EQUIQ outstanding */
449 bus_dma_tag_t desc_tag;
450 bus_dmamap_t desc_map;
451 bus_addr_t ba; /* bus address of descriptor ring */
455 struct sw_zone_info {
456 uma_zone_t zone; /* zone that this cluster comes from */
457 int size; /* size of cluster: 2K, 4K, 9K, 16K, etc. */
458 int type; /* EXT_xxx type of the cluster */
464 int8_t zidx; /* backpointer to zone; -ve means unused */
465 int8_t next; /* next hwidx for this zone; -1 means no more */
472 MEMWIN0_APERTURE = 2048,
473 MEMWIN0_BASE = 0x1b800,
475 MEMWIN1_APERTURE = 32768,
476 MEMWIN1_BASE = 0x28000,
478 MEMWIN2_APERTURE_T4 = 65536,
479 MEMWIN2_BASE_T4 = 0x30000,
481 MEMWIN2_APERTURE_T5 = 128 * 1024,
482 MEMWIN2_BASE_T5 = 0x60000,
486 struct rwlock mw_lock __aligned(CACHE_LINE_SIZE);
487 uint32_t mw_base; /* constant after setup_memwin */
488 uint32_t mw_aperture; /* ditto */
489 uint32_t mw_curpos; /* protected by mw_lock */
493 FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */
494 FL_DOOMED = (1 << 1), /* about to be destroyed */
495 FL_BUF_PACKING = (1 << 2), /* buffer packing enabled */
496 FL_BUF_RESUME = (1 << 3), /* resume from the middle of the frame */
499 #define FL_RUNNING_LOW(fl) \
500 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) <= fl->lowat)
501 #define FL_NOT_RUNNING_LOW(fl) \
502 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) >= 2 * fl->lowat)
506 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */
507 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */
508 struct cluster_layout cll_def; /* default refill zone, layout */
509 uint16_t lowat; /* # of buffers <= this means fl needs help */
511 uint16_t buf_boundary;
513 /* The 16b idx all deal with hw descriptors */
514 uint16_t dbidx; /* hw pidx after last doorbell */
515 uint16_t sidx; /* index of status page */
516 volatile uint16_t hw_cidx;
518 /* The 32b idx are all buffer idx, not hardware descriptor idx */
519 uint32_t cidx; /* consumer index */
520 uint32_t pidx; /* producer index */
523 u_int rx_offset; /* offset in fl buf (when buffer packing) */
524 volatile uint32_t *udb;
526 uint64_t mbuf_allocated;/* # of mbuf allocated from zone_mbuf */
527 uint64_t mbuf_inlined; /* # of mbuf created within clusters */
528 uint64_t cl_allocated; /* # of clusters allocated */
529 uint64_t cl_recycled; /* # of clusters recycled */
530 uint64_t cl_fast_recycled; /* # of clusters recycled (fast) */
532 /* These 3 are valid when FL_BUF_RESUME is set, stale otherwise. */
537 uint16_t qsize; /* # of hw descriptors (status page included) */
538 uint16_t cntxt_id; /* SGE context id for the freelist */
539 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
540 bus_dma_tag_t desc_tag;
541 bus_dmamap_t desc_map;
543 bus_addr_t ba; /* bus address of descriptor ring */
544 struct cluster_layout cll_alt; /* alternate refill zone, layout */
549 /* txq: SGE egress queue + what's needed for Ethernet NIC */
551 struct sge_eq eq; /* MUST be first */
553 struct ifnet *ifp; /* the interface this txq belongs to */
554 struct mp_ring *r; /* tx software ring */
555 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */
557 __be32 cpl_ctrl0; /* for convenience */
558 int tc_idx; /* traffic class */
560 struct task tx_reclaim_task;
561 /* stats for common events first */
563 uint64_t txcsum; /* # of times hardware assisted with checksum */
564 uint64_t tso_wrs; /* # of TSO work requests */
565 uint64_t vlan_insertion;/* # of times VLAN tag was inserted */
566 uint64_t imm_wrs; /* # of work requests with immediate data */
567 uint64_t sgl_wrs; /* # of work requests with direct SGL */
568 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */
569 uint64_t txpkts0_wrs; /* # of type0 coalesced tx work requests */
570 uint64_t txpkts1_wrs; /* # of type1 coalesced tx work requests */
571 uint64_t txpkts0_pkts; /* # of frames in type0 coalesced tx WRs */
572 uint64_t txpkts1_pkts; /* # of frames in type1 coalesced tx WRs */
574 /* stats for not-that-common events */
575 } __aligned(CACHE_LINE_SIZE);
577 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */
579 struct sge_iq iq; /* MUST be first */
580 struct sge_fl fl; /* MUST follow iq */
582 struct ifnet *ifp; /* the interface this rxq belongs to */
583 #if defined(INET) || defined(INET6)
584 struct lro_ctrl lro; /* LRO state */
587 /* stats for common events first */
589 uint64_t rxcsum; /* # of times hardware assisted with checksum */
590 uint64_t vlan_extraction;/* # of times VLAN tag was extracted */
592 /* stats for not-that-common events */
594 } __aligned(CACHE_LINE_SIZE);
596 static inline struct sge_rxq *
597 iq_to_rxq(struct sge_iq *iq)
600 return (__containerof(iq, struct sge_rxq, iq));
604 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
605 struct sge_ofld_rxq {
606 struct sge_iq iq; /* MUST be first */
607 struct sge_fl fl; /* MUST follow iq */
608 } __aligned(CACHE_LINE_SIZE);
610 static inline struct sge_ofld_rxq *
611 iq_to_ofld_rxq(struct sge_iq *iq)
614 return (__containerof(iq, struct sge_ofld_rxq, iq));
618 STAILQ_ENTRY(wrqe) link;
621 char wr[] __aligned(16);
625 TAILQ_ENTRY(wrq_cookie) link;
631 * wrq: SGE egress queue that is given prebuilt work requests. Both the control
632 * and offload tx queues are of this type.
635 struct sge_eq eq; /* MUST be first */
637 struct adapter *adapter;
638 struct task wrq_tx_task;
640 /* Tx desc reserved but WR not "committed" yet. */
641 TAILQ_HEAD(wrq_incomplete_wrs , wrq_cookie) incomplete_wrs;
643 /* List of WRs ready to go out as soon as descriptors are available. */
644 STAILQ_HEAD(, wrqe) wr_list;
648 /* stats for common events first */
650 uint64_t tx_wrs_direct; /* # of WRs written directly to desc ring. */
651 uint64_t tx_wrs_ss; /* # of WRs copied from scratch space. */
652 uint64_t tx_wrs_copied; /* # of WRs queued and copied to desc ring. */
654 /* stats for not-that-common events */
657 * Scratch space for work requests that wrap around after reaching the
658 * status page, and some information about the last WR that used it.
662 uint8_t ss[SGE_MAX_WR_LEN];
664 } __aligned(CACHE_LINE_SIZE);
666 #define INVALID_NM_RXQ_CNTXT_ID ((uint16_t)(-1))
670 struct iq_desc *iq_desc;
672 uint16_t iq_cntxt_id;
678 uint16_t fl_cntxt_id;
686 u_int nid; /* netmap ring # for this queue */
688 /* infrequently used items after this */
690 bus_dma_tag_t iq_desc_tag;
691 bus_dmamap_t iq_desc_map;
695 bus_dma_tag_t fl_desc_tag;
696 bus_dmamap_t fl_desc_map;
698 } __aligned(CACHE_LINE_SIZE);
700 #define INVALID_NM_TXQ_CNTXT_ID ((u_int)(-1))
702 struct tx_desc *desc;
706 uint16_t equiqidx; /* EQUIQ last requested at this pidx */
707 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
708 uint16_t dbidx; /* pidx of the most recent doorbell */
710 volatile uint32_t *udb;
713 __be32 cpl_ctrl0; /* for convenience */
714 u_int nid; /* netmap ring # for this queue */
716 /* infrequently used items after this */
718 bus_dma_tag_t desc_tag;
719 bus_dmamap_t desc_map;
722 } __aligned(CACHE_LINE_SIZE);
725 int nrxq; /* total # of Ethernet rx queues */
726 int ntxq; /* total # of Ethernet tx queues */
727 int nofldrxq; /* total # of TOE rx queues */
728 int nofldtxq; /* total # of TOE tx queues */
729 int nnmrxq; /* total # of netmap rx queues */
730 int nnmtxq; /* total # of netmap tx queues */
731 int niq; /* total # of ingress queues */
732 int neq; /* total # of egress queues */
734 struct sge_iq fwq; /* Firmware event queue */
735 struct sge_wrq mgmtq; /* Management queue (control queue) */
736 struct sge_wrq *ctrlq; /* Control queues */
737 struct sge_txq *txq; /* NIC tx queues */
738 struct sge_rxq *rxq; /* NIC rx queues */
739 struct sge_wrq *ofld_txq; /* TOE tx queues */
740 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */
741 struct sge_nm_txq *nm_txq; /* netmap tx queues */
742 struct sge_nm_rxq *nm_rxq; /* netmap rx queues */
744 uint16_t iq_start; /* first cntxt_id */
745 uint16_t iq_base; /* first abs_id */
746 int eq_start; /* first cntxt_id */
747 int eq_base; /* first abs_id */
748 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */
749 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */
751 int8_t safe_hwidx1; /* may not have room for metadata */
752 int8_t safe_hwidx2; /* with room for metadata and maybe more */
753 struct sw_zone_info sw_zone_info[SW_ZONE_SIZES];
754 struct hw_buf_info hw_buf_info[SGE_FLBUF_SIZES];
758 const char *nexus_name;
759 const char *ifnet_name;
760 const char *vi_ifnet_name;
761 const char *pf03_drv_name;
762 const char *vf_nexus_name;
763 const char *vf_ifnet_name;
767 SLIST_ENTRY(adapter) link;
770 const struct devnames *names;
772 /* PCIe register resources */
774 struct resource *regs_res;
776 struct resource *msix_res;
777 bus_space_handle_t bh;
781 struct resource *udbs_res;
782 volatile uint8_t *udbs_base;
786 unsigned int vpd_busy;
787 unsigned int vpd_flag;
789 /* Interrupt information */
793 struct resource *res;
795 volatile int nm_state; /* NM_OFF, NM_ON, or NM_BUSY */
798 struct sge_nm_rxq *nm_rxq;
799 } __aligned(CACHE_LINE_SIZE) *irq;
801 int sge_kdoorbell_reg;
803 bus_dma_tag_t dmat; /* Parent DMA tag */
809 struct taskqueue *tq[MAX_NCHAN]; /* General purpose taskqueues */
810 struct port_info *port[MAX_NPORTS];
811 uint8_t chan_map[MAX_NCHAN]; /* channel -> port */
813 void *tom_softc; /* (struct tom_data *) */
814 struct tom_tunables tt;
815 struct t4_offload_policy *policy;
816 struct rwlock policy_lock;
818 void *iwarp_softc; /* (struct c4iw_dev *) */
819 struct iw_tunables iwt;
820 void *iscsi_ulp_softc; /* (struct cxgbei_data *) */
821 void *ccr_softc; /* (struct ccr_softc *) */
822 struct l2t_data *l2t; /* L2 table */
823 struct smt_data *smt; /* Source MAC Table */
824 struct tid_info tids;
827 int offload_map; /* ports with IFCAP_TOE enabled */
828 int active_ulds; /* ULDs activated on this adapter */
832 char ifp_lockname[16];
834 struct ifnet *ifp; /* tracer ifp */
835 struct ifmedia media;
836 int traceq; /* iq used by all tracers, -1 if none */
837 int tracer_valid; /* bitmap of valid tracers */
838 int tracer_enabled; /* bitmap of enabled tracers */
846 struct adapter_params params;
847 const struct chip_params *chip_params;
848 struct t4_virt_res vres;
860 struct sysctl_ctx_list ctx; /* from adapter_full_init to full_uninit */
865 /* Starving free lists */
866 struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */
867 TAILQ_HEAD(, sge_fl) sfl;
868 struct callout sfl_callout;
870 struct mtx reg_lock; /* for indirect register access */
872 struct memwin memwin[NUM_MEMWIN]; /* memory windows */
878 const void *last_op_thr;
882 #define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock)
883 #define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock)
884 #define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED)
885 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED)
887 #define ASSERT_SYNCHRONIZED_OP(sc) \
888 KASSERT(IS_BUSY(sc) && \
889 (mtx_owned(&(sc)->sc_lock) || sc->last_op_thr == curthread), \
890 ("%s: operation not synchronized.", __func__))
892 #define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock)
893 #define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock)
894 #define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED)
895 #define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED)
897 #define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock)
898 #define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock)
899 #define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock)
900 #define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED)
901 #define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED)
903 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl)
904 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl)
905 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
906 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
908 #define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock)
909 #define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock)
910 #define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock)
911 #define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED)
912 #define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED)
914 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq)
915 #define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq)
916 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq)
917 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
918 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
920 #define CH_DUMP_MBOX(sc, mbox, data_reg) \
922 if (sc->debug_flags & DF_DUMP_MBOX) { \
924 "%s mbox %u: %016llx %016llx %016llx %016llx " \
925 "%016llx %016llx %016llx %016llx\n", \
926 device_get_nameunit(sc->dev), mbox, \
927 (unsigned long long)t4_read_reg64(sc, data_reg), \
928 (unsigned long long)t4_read_reg64(sc, data_reg + 8), \
929 (unsigned long long)t4_read_reg64(sc, data_reg + 16), \
930 (unsigned long long)t4_read_reg64(sc, data_reg + 24), \
931 (unsigned long long)t4_read_reg64(sc, data_reg + 32), \
932 (unsigned long long)t4_read_reg64(sc, data_reg + 40), \
933 (unsigned long long)t4_read_reg64(sc, data_reg + 48), \
934 (unsigned long long)t4_read_reg64(sc, data_reg + 56)); \
938 #define for_each_txq(vi, iter, q) \
939 for (q = &vi->pi->adapter->sge.txq[vi->first_txq], iter = 0; \
940 iter < vi->ntxq; ++iter, ++q)
941 #define for_each_rxq(vi, iter, q) \
942 for (q = &vi->pi->adapter->sge.rxq[vi->first_rxq], iter = 0; \
943 iter < vi->nrxq; ++iter, ++q)
944 #define for_each_ofld_txq(vi, iter, q) \
945 for (q = &vi->pi->adapter->sge.ofld_txq[vi->first_ofld_txq], iter = 0; \
946 iter < vi->nofldtxq; ++iter, ++q)
947 #define for_each_ofld_rxq(vi, iter, q) \
948 for (q = &vi->pi->adapter->sge.ofld_rxq[vi->first_ofld_rxq], iter = 0; \
949 iter < vi->nofldrxq; ++iter, ++q)
950 #define for_each_nm_txq(vi, iter, q) \
951 for (q = &vi->pi->adapter->sge.nm_txq[vi->first_nm_txq], iter = 0; \
952 iter < vi->nnmtxq; ++iter, ++q)
953 #define for_each_nm_rxq(vi, iter, q) \
954 for (q = &vi->pi->adapter->sge.nm_rxq[vi->first_nm_rxq], iter = 0; \
955 iter < vi->nnmrxq; ++iter, ++q)
956 #define for_each_vi(_pi, _iter, _vi) \
957 for ((_vi) = (_pi)->vi, (_iter) = 0; (_iter) < (_pi)->nvi; \
960 #define IDXINCR(idx, incr, wrap) do { \
961 idx = wrap - idx > incr ? idx + incr : incr - (wrap - idx); \
963 #define IDXDIFF(head, tail, wrap) \
964 ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head))
966 /* One for errors, one for firmware events */
967 #define T4_EXTRA_INTR 2
969 /* One for firmware events */
970 #define T4VF_EXTRA_INTR 1
973 forwarding_intr_to_fwq(struct adapter *sc)
976 return (sc->intr_count == 1);
979 static inline uint32_t
980 t4_read_reg(struct adapter *sc, uint32_t reg)
983 return bus_space_read_4(sc->bt, sc->bh, reg);
987 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
990 bus_space_write_4(sc->bt, sc->bh, reg, val);
993 static inline uint64_t
994 t4_read_reg64(struct adapter *sc, uint32_t reg)
998 return bus_space_read_8(sc->bt, sc->bh, reg);
1000 return (uint64_t)bus_space_read_4(sc->bt, sc->bh, reg) +
1001 ((uint64_t)bus_space_read_4(sc->bt, sc->bh, reg + 4) << 32);
1007 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
1011 bus_space_write_8(sc->bt, sc->bh, reg, val);
1013 bus_space_write_4(sc->bt, sc->bh, reg, val);
1014 bus_space_write_4(sc->bt, sc->bh, reg + 4, val>> 32);
1019 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
1022 *val = pci_read_config(sc->dev, reg, 1);
1026 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
1029 pci_write_config(sc->dev, reg, val, 1);
1033 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
1036 *val = pci_read_config(sc->dev, reg, 2);
1040 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
1043 pci_write_config(sc->dev, reg, val, 2);
1047 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
1050 *val = pci_read_config(sc->dev, reg, 4);
1054 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
1057 pci_write_config(sc->dev, reg, val, 4);
1060 static inline struct port_info *
1061 adap2pinfo(struct adapter *sc, int idx)
1064 return (sc->port[idx]);
1068 t4_os_set_hw_addr(struct port_info *pi, uint8_t hw_addr[])
1071 bcopy(hw_addr, pi->vi[0].hw_addr, ETHER_ADDR_LEN);
1075 is_10G_port(const struct port_info *pi)
1078 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G) != 0);
1082 is_25G_port(const struct port_info *pi)
1085 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G) != 0);
1089 is_40G_port(const struct port_info *pi)
1092 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G) != 0);
1096 is_100G_port(const struct port_info *pi)
1099 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G) != 0);
1103 port_top_speed(const struct port_info *pi)
1106 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G)
1108 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G)
1110 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G)
1112 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G)
1114 if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_1G)
1121 tx_resume_threshold(struct sge_eq *eq)
1124 /* not quite the same as qsize / 4, but this will do. */
1125 return (eq->sidx / 4);
1129 t4_use_ldst(struct adapter *sc)
1133 return (sc->flags & FW_OK || !sc->use_bd);
1142 extern int t4_intr_types;
1143 extern int t4_tmr_idx;
1144 extern int t4_pktc_idx;
1145 extern unsigned int t4_qsize_rxq;
1146 extern unsigned int t4_qsize_txq;
1147 extern device_method_t cxgbe_methods[];
1149 int t4_os_find_pci_capability(struct adapter *, int);
1150 int t4_os_pci_save_state(struct adapter *);
1151 int t4_os_pci_restore_state(struct adapter *);
1152 void t4_os_portmod_changed(struct port_info *);
1153 void t4_os_link_changed(struct port_info *);
1154 void t4_iterate(void (*)(struct adapter *, void *), void *);
1155 void t4_init_devnames(struct adapter *);
1156 void t4_add_adapter(struct adapter *);
1157 void t4_aes_getdeckey(void *, const void *, unsigned int);
1158 int t4_detach_common(device_t);
1159 int t4_map_bars_0_and_4(struct adapter *);
1160 int t4_map_bar_2(struct adapter *);
1161 int t4_setup_intr_handlers(struct adapter *);
1162 void t4_sysctls(struct adapter *);
1163 int begin_synchronized_op(struct adapter *, struct vi_info *, int, char *);
1164 void doom_vi(struct adapter *, struct vi_info *);
1165 void end_synchronized_op(struct adapter *, int);
1166 int update_mac_settings(struct ifnet *, int);
1167 int adapter_full_init(struct adapter *);
1168 int adapter_full_uninit(struct adapter *);
1169 uint64_t cxgbe_get_counter(struct ifnet *, ift_counter);
1170 int vi_full_init(struct vi_info *);
1171 int vi_full_uninit(struct vi_info *);
1172 void vi_sysctls(struct vi_info *);
1173 void vi_tick(void *);
1174 int rw_via_memwin(struct adapter *, int, uint32_t, uint32_t *, int, int);
1175 int alloc_atid_tab(struct tid_info *, int);
1176 void free_atid_tab(struct tid_info *);
1177 int alloc_atid(struct adapter *, void *);
1178 void *lookup_atid(struct adapter *, int);
1179 void free_atid(struct adapter *, int);
1180 void release_tid(struct adapter *, int, struct sge_wrq *);
1184 void cxgbe_nm_attach(struct vi_info *);
1185 void cxgbe_nm_detach(struct vi_info *);
1186 void t4_nm_intr(void *);
1190 void t4_sge_modload(void);
1191 void t4_sge_modunload(void);
1192 uint64_t t4_sge_extfree_refs(void);
1193 void t4_tweak_chip_settings(struct adapter *);
1194 int t4_read_chip_settings(struct adapter *);
1195 int t4_create_dma_tag(struct adapter *);
1196 void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *,
1197 struct sysctl_oid_list *);
1198 int t4_destroy_dma_tag(struct adapter *);
1199 int t4_setup_adapter_queues(struct adapter *);
1200 int t4_teardown_adapter_queues(struct adapter *);
1201 int t4_setup_vi_queues(struct vi_info *);
1202 int t4_teardown_vi_queues(struct vi_info *);
1203 void t4_intr_all(void *);
1204 void t4_intr(void *);
1205 void t4_vi_intr(void *);
1206 void t4_intr_err(void *);
1207 void t4_intr_evt(void *);
1208 void t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct wrqe *);
1209 void t4_update_fl_bufsize(struct ifnet *);
1210 int parse_pkt(struct adapter *, struct mbuf **);
1211 void *start_wrq_wr(struct sge_wrq *, int, struct wrq_cookie *);
1212 void commit_wrq_wr(struct sge_wrq *, void *, struct wrq_cookie *);
1213 int tnl_cong(struct port_info *, int);
1214 void t4_register_an_handler(an_handler_t);
1215 void t4_register_fw_msg_handler(int, fw_msg_handler_t);
1216 void t4_register_cpl_handler(int, cpl_handler_t);
1217 void t4_register_shared_cpl_handler(int, cpl_handler_t, int);
1219 int ethofld_transmit(struct ifnet *, struct mbuf *);
1220 void send_etid_flush_wr(struct cxgbe_snd_tag *);
1225 void t4_tracer_modload(void);
1226 void t4_tracer_modunload(void);
1227 void t4_tracer_port_detach(struct adapter *);
1228 int t4_get_tracer(struct adapter *, struct t4_tracer *);
1229 int t4_set_tracer(struct adapter *, struct t4_tracer *);
1230 int t4_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1231 int t5_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1234 int t4_set_sched_class(struct adapter *, struct t4_sched_params *);
1235 int t4_set_sched_queue(struct adapter *, struct t4_sched_queue *);
1236 int t4_init_tx_sched(struct adapter *);
1237 int t4_free_tx_sched(struct adapter *);
1238 void t4_update_tx_sched(struct adapter *);
1239 int t4_reserve_cl_rl_kbps(struct adapter *, int, u_int, int *);
1240 void t4_release_cl_rl_kbps(struct adapter *, int, int);
1242 void t4_init_etid_table(struct adapter *);
1243 void t4_free_etid_table(struct adapter *);
1244 struct cxgbe_snd_tag *lookup_etid(struct adapter *, int);
1245 int cxgbe_snd_tag_alloc(struct ifnet *, union if_snd_tag_alloc_params *,
1246 struct m_snd_tag **);
1247 int cxgbe_snd_tag_modify(struct m_snd_tag *, union if_snd_tag_modify_params *);
1248 int cxgbe_snd_tag_query(struct m_snd_tag *, union if_snd_tag_query_params *);
1249 void cxgbe_snd_tag_free(struct m_snd_tag *);
1250 void cxgbe_snd_tag_free_locked(struct cxgbe_snd_tag *);
1254 int get_filter_mode(struct adapter *, uint32_t *);
1255 int set_filter_mode(struct adapter *, uint32_t);
1256 int get_filter(struct adapter *, struct t4_filter *);
1257 int set_filter(struct adapter *, struct t4_filter *);
1258 int del_filter(struct adapter *, struct t4_filter *);
1259 int t4_filter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1260 int t4_hashfilter_ao_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1261 int t4_hashfilter_tcb_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1262 int t4_del_hashfilter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1263 void free_hftid_tab(struct tid_info *);
1265 static inline struct wrqe *
1266 alloc_wrqe(int wr_len, struct sge_wrq *wrq)
1268 int len = offsetof(struct wrqe, wr) + wr_len;
1271 wr = malloc(len, M_CXGBE, M_NOWAIT);
1272 if (__predict_false(wr == NULL))
1274 wr->wr_len = wr_len;
1279 static inline void *
1280 wrtod(struct wrqe *wr)
1282 return (&wr->wr[0]);
1286 free_wrqe(struct wrqe *wr)
1292 t4_wrq_tx(struct adapter *sc, struct wrqe *wr)
1294 struct sge_wrq *wrq = wr->wrq;
1297 t4_wrq_tx_locked(sc, wrq, wr);
1302 read_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val,
1306 return (rw_via_memwin(sc, idx, addr, val, len, 0));
1310 write_via_memwin(struct adapter *sc, int idx, uint32_t addr,
1311 const uint32_t *val, int len)
1314 return (rw_via_memwin(sc, idx, addr, (void *)(uintptr_t)val, len, 1));