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>
51 #include "common/t4_msg.h"
52 #include "firmware/t4fw_interface.h"
54 #define KTR_CXGBE KTR_SPARE3
55 MALLOC_DECLARE(M_CXGBE);
56 #define CXGBE_UNIMPLEMENTED(s) \
57 panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__)
59 #if defined(__i386__) || defined(__amd64__)
63 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
69 #ifndef SYSCTL_ADD_UQUAD
70 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
71 #define sysctl_handle_64 sysctl_handle_quad
72 #define CTLTYPE_U64 CTLTYPE_QUAD
75 #if (__FreeBSD_version >= 900030) || \
76 ((__FreeBSD_version >= 802507) && (__FreeBSD_version < 900000))
81 /* XXX: need systemwide bus_space_read_8/bus_space_write_8 */
82 static __inline uint64_t
83 t4_bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t handle,
86 KASSERT(tag == X86_BUS_SPACE_MEM,
87 ("%s: can only handle mem space", __func__));
89 return (*(volatile uint64_t *)(handle + offset));
93 t4_bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t bsh,
94 bus_size_t offset, uint64_t value)
96 KASSERT(tag == X86_BUS_SPACE_MEM,
97 ("%s: can only handle mem space", __func__));
99 *(volatile uint64_t *)(bsh + offset) = value;
102 static __inline uint64_t
103 t4_bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t handle,
106 return (uint64_t)bus_space_read_4(tag, handle, offset) +
107 ((uint64_t)bus_space_read_4(tag, handle, offset + 4) << 32);
111 t4_bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t bsh,
112 bus_size_t offset, uint64_t value)
114 bus_space_write_4(tag, bsh, offset, value);
115 bus_space_write_4(tag, bsh, offset + 4, value >> 32);
120 typedef struct adapter adapter_t;
124 * All ingress queues use this entry size. Note that the firmware event
125 * queue and any iq expecting CPL_RX_PKT in the descriptor needs this to
130 /* Default queue sizes for all kinds of ingress queues */
134 /* All egress queues use this entry size */
137 /* Default queue sizes for all kinds of egress queues */
141 #if MJUMPAGESIZE != MCLBYTES
142 SW_ZONE_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */
144 SW_ZONE_SIZES = 3, /* cluster, jumbo9k, jumbo16k */
146 CL_METADATA_SIZE = CACHE_LINE_SIZE,
148 SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / EQ_ESIZE, /* max WR size in desc */
150 TX_SGL_SEGS_TSO = 38,
151 TX_WR_FLITS = SGE_MAX_WR_LEN / 8
155 /* adapter intr_type */
156 INTR_INTX = (1 << 0),
162 XGMAC_MTU = (1 << 0),
163 XGMAC_PROMISC = (1 << 1),
164 XGMAC_ALLMULTI = (1 << 2),
165 XGMAC_VLANEX = (1 << 3),
166 XGMAC_UCADDR = (1 << 4),
167 XGMAC_MCADDRS = (1 << 5),
173 /* flags understood by begin_synchronized_op */
174 HOLD_LOCK = (1 << 0),
178 /* flags understood by end_synchronized_op */
179 LOCK_HELD = HOLD_LOCK,
184 FULL_INIT_DONE = (1 << 0),
186 /* INTR_DIRECT = (1 << 2), No longer used. */
187 MASTER_PF = (1 << 3),
188 ADAP_SYSCTL_CTX = (1 << 4),
189 /* TOM_INIT_DONE= (1 << 5), No longer used */
190 BUF_PACKING_OK = (1 << 6),
192 CXGBE_BUSY = (1 << 9),
195 HAS_TRACEQ = (1 << 3),
199 VI_INIT_DONE = (1 << 1),
200 VI_SYSCTL_CTX = (1 << 2),
201 INTR_RXQ = (1 << 4), /* All NIC rxq's take interrupts */
202 INTR_OFLD_RXQ = (1 << 5), /* All TOE rxq's take interrupts */
203 INTR_ALL = (INTR_RXQ | INTR_OFLD_RXQ),
205 /* adapter debug_flags */
206 DF_DUMP_MBOX = (1 << 0),
209 #define IS_DOOMED(vi) ((vi)->flags & DOOMED)
210 #define SET_DOOMED(vi) do {(vi)->flags |= DOOMED;} while (0)
211 #define IS_BUSY(sc) ((sc)->flags & CXGBE_BUSY)
212 #define SET_BUSY(sc) do {(sc)->flags |= CXGBE_BUSY;} while (0)
213 #define CLR_BUSY(sc) do {(sc)->flags &= ~CXGBE_BUSY;} while (0)
217 struct port_info *pi;
220 struct ifmedia media;
225 uint16_t *rss, *nm_rss;
227 int16_t xact_addr_filt;/* index of exact MAC address filter */
228 uint16_t rss_size; /* size of VI's RSS table slice */
229 uint16_t rss_base; /* start of VI's RSS table slice */
231 eventhandler_tag vlan_c;
236 /* These need to be int as they are used in sysctl */
237 int ntxq; /* # of tx queues */
238 int first_txq; /* index of first tx queue */
239 int rsrv_noflowq; /* Reserve queue 0 for non-flowid packets */
240 int nrxq; /* # of rx queues */
241 int first_rxq; /* index of first rx queue */
242 int nofldtxq; /* # of offload tx queues */
243 int first_ofld_txq; /* index of first offload tx queue */
244 int nofldrxq; /* # of offload rx queues */
245 int first_ofld_rxq; /* index of first offload rx queue */
255 struct timeval last_refreshed;
256 struct fw_vi_stats_vf stats;
259 struct sysctl_ctx_list ctx; /* from ifconfig up to driver detach */
261 uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */
266 struct adapter *adapter;
277 uint8_t lport; /* associated offload logical port */
283 uint8_t rx_chan_map; /* rx MPS channel bitmap */
286 struct link_config link_cfg;
288 struct timeval last_refreshed;
289 struct port_stats stats;
290 u_int tx_parse_error;
295 #define IS_MAIN_VI(vi) ((vi) == &((vi)->pi->vi[0]))
297 /* Where the cluster came from, how it has been carved up. */
298 struct cluster_layout {
301 uint16_t region1; /* mbufs laid out within this region */
302 /* region2 is the DMA region */
303 uint16_t region3; /* cluster_metadata within this region */
306 struct cluster_metadata {
308 struct fl_sdesc *sd; /* For debug only. Could easily be stale */
313 uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */
314 struct cluster_layout cll;
322 struct mbuf *m; /* m_nextpkt linked chain of frames */
323 uint8_t desc_used; /* # of hardware descriptors used by the WR */
327 #define IQ_PAD (IQ_ESIZE - sizeof(struct rsp_ctrl) - sizeof(struct rss_header))
329 struct rss_header rss;
334 CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE);
338 IQ_ALLOCATED = (1 << 0), /* firmware resources allocated */
339 IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
340 IQ_INTR = (1 << 2), /* iq takes direct interrupt */
341 IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */
348 /* netmap related flags */
355 * Ingress Queue: T4 is producer, driver is consumer.
360 struct adapter *adapter;
361 struct iq_desc *desc; /* KVA of descriptor ring */
362 int8_t intr_pktc_idx; /* packet count threshold index */
363 uint8_t gen; /* generation bit */
364 uint8_t intr_params; /* interrupt holdoff parameters */
365 uint8_t intr_next; /* XXX: holdoff for next interrupt */
366 uint16_t qsize; /* size (# of entries) of the queue */
367 uint16_t sidx; /* index of the entry with the status page */
368 uint16_t cidx; /* consumer index */
369 uint16_t cntxt_id; /* SGE context id for the iq */
370 uint16_t abs_id; /* absolute SGE id for the iq */
372 STAILQ_ENTRY(sge_iq) link;
374 bus_dma_tag_t desc_tag;
375 bus_dmamap_t desc_map;
376 bus_addr_t ba; /* bus address of descriptor ring */
385 EQ_TYPEMASK = 0x3, /* 2 lsbits hold the type (see above) */
386 EQ_ALLOCATED = (1 << 2), /* firmware resources allocated */
387 EQ_ENABLED = (1 << 3), /* open for business */
390 /* Listed in order of preference. Update t4_sysctls too if you change these */
391 enum {DOORBELL_UDB, DOORBELL_WCWR, DOORBELL_UDBWC, DOORBELL_KDB};
394 * Egress Queue: driver is producer, T4 is consumer.
396 * Note: A free list is an egress queue (driver produces the buffers and T4
397 * consumes them) but it's special enough to have its own struct (see sge_fl).
400 unsigned int flags; /* MUST be first */
401 unsigned int cntxt_id; /* SGE context id for the eq */
404 struct tx_desc *desc; /* KVA of descriptor ring */
406 volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */
407 u_int udb_qid; /* relative qid within the doorbell page */
408 uint16_t sidx; /* index of the entry with the status page */
409 uint16_t cidx; /* consumer idx (desc idx) */
410 uint16_t pidx; /* producer idx (desc idx) */
411 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
412 uint16_t dbidx; /* pidx of the most recent doorbell */
413 uint16_t iqid; /* iq that gets egr_update for the eq */
414 uint8_t tx_chan; /* tx channel used by the eq */
415 volatile u_int equiq; /* EQUIQ outstanding */
417 bus_dma_tag_t desc_tag;
418 bus_dmamap_t desc_map;
419 bus_addr_t ba; /* bus address of descriptor ring */
423 struct sw_zone_info {
424 uma_zone_t zone; /* zone that this cluster comes from */
425 int size; /* size of cluster: 2K, 4K, 9K, 16K, etc. */
426 int type; /* EXT_xxx type of the cluster */
432 int8_t zidx; /* backpointer to zone; -ve means unused */
433 int8_t next; /* next hwidx for this zone; -1 means no more */
440 MEMWIN0_APERTURE = 2048,
441 MEMWIN0_BASE = 0x1b800,
443 MEMWIN1_APERTURE = 32768,
444 MEMWIN1_BASE = 0x28000,
446 MEMWIN2_APERTURE_T4 = 65536,
447 MEMWIN2_BASE_T4 = 0x30000,
449 MEMWIN2_APERTURE_T5 = 128 * 1024,
450 MEMWIN2_BASE_T5 = 0x60000,
454 struct rwlock mw_lock __aligned(CACHE_LINE_SIZE);
455 uint32_t mw_base; /* constant after setup_memwin */
456 uint32_t mw_aperture; /* ditto */
457 uint32_t mw_curpos; /* protected by mw_lock */
461 FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */
462 FL_DOOMED = (1 << 1), /* about to be destroyed */
463 FL_BUF_PACKING = (1 << 2), /* buffer packing enabled */
464 FL_BUF_RESUME = (1 << 3), /* resume from the middle of the frame */
467 #define FL_RUNNING_LOW(fl) \
468 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) <= fl->lowat)
469 #define FL_NOT_RUNNING_LOW(fl) \
470 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) >= 2 * fl->lowat)
474 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */
475 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */
476 struct cluster_layout cll_def; /* default refill zone, layout */
477 uint16_t lowat; /* # of buffers <= this means fl needs help */
479 uint16_t buf_boundary;
481 /* The 16b idx all deal with hw descriptors */
482 uint16_t dbidx; /* hw pidx after last doorbell */
483 uint16_t sidx; /* index of status page */
484 volatile uint16_t hw_cidx;
486 /* The 32b idx are all buffer idx, not hardware descriptor idx */
487 uint32_t cidx; /* consumer index */
488 uint32_t pidx; /* producer index */
491 u_int rx_offset; /* offset in fl buf (when buffer packing) */
492 volatile uint32_t *udb;
494 uint64_t mbuf_allocated;/* # of mbuf allocated from zone_mbuf */
495 uint64_t mbuf_inlined; /* # of mbuf created within clusters */
496 uint64_t cl_allocated; /* # of clusters allocated */
497 uint64_t cl_recycled; /* # of clusters recycled */
498 uint64_t cl_fast_recycled; /* # of clusters recycled (fast) */
500 /* These 3 are valid when FL_BUF_RESUME is set, stale otherwise. */
505 uint16_t qsize; /* # of hw descriptors (status page included) */
506 uint16_t cntxt_id; /* SGE context id for the freelist */
507 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
508 bus_dma_tag_t desc_tag;
509 bus_dmamap_t desc_map;
511 bus_addr_t ba; /* bus address of descriptor ring */
512 struct cluster_layout cll_alt; /* alternate refill zone, layout */
517 /* txq: SGE egress queue + what's needed for Ethernet NIC */
519 struct sge_eq eq; /* MUST be first */
521 struct ifnet *ifp; /* the interface this txq belongs to */
522 struct mp_ring *r; /* tx software ring */
523 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */
525 __be32 cpl_ctrl0; /* for convenience */
527 struct task tx_reclaim_task;
528 /* stats for common events first */
530 uint64_t txcsum; /* # of times hardware assisted with checksum */
531 uint64_t tso_wrs; /* # of TSO work requests */
532 uint64_t vlan_insertion;/* # of times VLAN tag was inserted */
533 uint64_t imm_wrs; /* # of work requests with immediate data */
534 uint64_t sgl_wrs; /* # of work requests with direct SGL */
535 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */
536 uint64_t txpkts0_wrs; /* # of type0 coalesced tx work requests */
537 uint64_t txpkts1_wrs; /* # of type1 coalesced tx work requests */
538 uint64_t txpkts0_pkts; /* # of frames in type0 coalesced tx WRs */
539 uint64_t txpkts1_pkts; /* # of frames in type1 coalesced tx WRs */
541 /* stats for not-that-common events */
542 } __aligned(CACHE_LINE_SIZE);
544 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */
546 struct sge_iq iq; /* MUST be first */
547 struct sge_fl fl; /* MUST follow iq */
549 struct ifnet *ifp; /* the interface this rxq belongs to */
550 #if defined(INET) || defined(INET6)
551 struct lro_ctrl lro; /* LRO state */
554 /* stats for common events first */
556 uint64_t rxcsum; /* # of times hardware assisted with checksum */
557 uint64_t vlan_extraction;/* # of times VLAN tag was extracted */
559 /* stats for not-that-common events */
561 } __aligned(CACHE_LINE_SIZE);
563 static inline struct sge_rxq *
564 iq_to_rxq(struct sge_iq *iq)
567 return (__containerof(iq, struct sge_rxq, iq));
571 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
572 struct sge_ofld_rxq {
573 struct sge_iq iq; /* MUST be first */
574 struct sge_fl fl; /* MUST follow iq */
575 } __aligned(CACHE_LINE_SIZE);
577 static inline struct sge_ofld_rxq *
578 iq_to_ofld_rxq(struct sge_iq *iq)
581 return (__containerof(iq, struct sge_ofld_rxq, iq));
585 STAILQ_ENTRY(wrqe) link;
588 char wr[] __aligned(16);
592 TAILQ_ENTRY(wrq_cookie) link;
598 * wrq: SGE egress queue that is given prebuilt work requests. Both the control
599 * and offload tx queues are of this type.
602 struct sge_eq eq; /* MUST be first */
604 struct adapter *adapter;
605 struct task wrq_tx_task;
607 /* Tx desc reserved but WR not "committed" yet. */
608 TAILQ_HEAD(wrq_incomplete_wrs , wrq_cookie) incomplete_wrs;
610 /* List of WRs ready to go out as soon as descriptors are available. */
611 STAILQ_HEAD(, wrqe) wr_list;
615 /* stats for common events first */
617 uint64_t tx_wrs_direct; /* # of WRs written directly to desc ring. */
618 uint64_t tx_wrs_ss; /* # of WRs copied from scratch space. */
619 uint64_t tx_wrs_copied; /* # of WRs queued and copied to desc ring. */
621 /* stats for not-that-common events */
624 * Scratch space for work requests that wrap around after reaching the
625 * status page, and some infomation about the last WR that used it.
629 uint8_t ss[SGE_MAX_WR_LEN];
631 } __aligned(CACHE_LINE_SIZE);
637 struct iq_desc *iq_desc;
639 uint16_t iq_cntxt_id;
645 uint16_t fl_cntxt_id;
652 u_int nid; /* netmap ring # for this queue */
654 /* infrequently used items after this */
656 bus_dma_tag_t iq_desc_tag;
657 bus_dmamap_t iq_desc_map;
661 bus_dma_tag_t fl_desc_tag;
662 bus_dmamap_t fl_desc_map;
664 } __aligned(CACHE_LINE_SIZE);
667 struct tx_desc *desc;
671 uint16_t equiqidx; /* EQUIQ last requested at this pidx */
672 uint16_t equeqidx; /* EQUEQ last requested at this pidx */
673 uint16_t dbidx; /* pidx of the most recent doorbell */
675 volatile uint32_t *udb;
678 __be32 cpl_ctrl0; /* for convenience */
679 u_int nid; /* netmap ring # for this queue */
681 /* infrequently used items after this */
683 bus_dma_tag_t desc_tag;
684 bus_dmamap_t desc_map;
687 } __aligned(CACHE_LINE_SIZE);
690 int nrxq; /* total # of Ethernet rx queues */
691 int ntxq; /* total # of Ethernet tx tx queues */
692 int nofldrxq; /* total # of TOE rx queues */
693 int nofldtxq; /* total # of TOE tx queues */
694 int nnmrxq; /* total # of netmap rx queues */
695 int nnmtxq; /* total # of netmap tx queues */
696 int niq; /* total # of ingress queues */
697 int neq; /* total # of egress queues */
699 struct sge_iq fwq; /* Firmware event queue */
700 struct sge_wrq mgmtq; /* Management queue (control queue) */
701 struct sge_wrq *ctrlq; /* Control queues */
702 struct sge_txq *txq; /* NIC tx queues */
703 struct sge_rxq *rxq; /* NIC rx queues */
704 struct sge_wrq *ofld_txq; /* TOE tx queues */
705 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */
706 struct sge_nm_txq *nm_txq; /* netmap tx queues */
707 struct sge_nm_rxq *nm_rxq; /* netmap rx queues */
711 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */
712 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */
714 int8_t safe_hwidx1; /* may not have room for metadata */
715 int8_t safe_hwidx2; /* with room for metadata and maybe more */
716 struct sw_zone_info sw_zone_info[SW_ZONE_SIZES];
717 struct hw_buf_info hw_buf_info[SGE_FLBUF_SIZES];
721 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
723 typedef int (*an_handler_t)(struct sge_iq *, const struct rsp_ctrl *);
724 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
727 SLIST_ENTRY(adapter) link;
731 /* PCIe register resources */
733 struct resource *regs_res;
735 struct resource *msix_res;
736 bus_space_handle_t bh;
740 struct resource *udbs_res;
741 volatile uint8_t *udbs_base;
745 unsigned int vpd_busy;
746 unsigned int vpd_flag;
748 /* Interrupt information */
752 struct resource *res;
754 volatile int nm_state; /* NM_OFF, NM_ON, or NM_BUSY */
757 struct sge_nm_rxq *nm_rxq;
758 } __aligned(CACHE_LINE_SIZE) *irq;
760 bus_dma_tag_t dmat; /* Parent DMA tag */
765 struct taskqueue *tq[MAX_NCHAN]; /* General purpose taskqueues */
766 struct port_info *port[MAX_NPORTS];
767 uint8_t chan_map[MAX_NCHAN];
769 void *tom_softc; /* (struct tom_data *) */
770 struct tom_tunables tt;
771 void *iwarp_softc; /* (struct c4iw_dev *) */
773 struct l2t_data *l2t; /* L2 table */
774 struct tid_info tids;
777 int offload_map; /* ports with IFCAP_TOE enabled */
778 int active_ulds; /* ULDs activated on this adapter */
782 char ifp_lockname[16];
784 struct ifnet *ifp; /* tracer ifp */
785 struct ifmedia media;
786 int traceq; /* iq used by all tracers, -1 if none */
787 int tracer_valid; /* bitmap of valid tracers */
788 int tracer_enabled; /* bitmap of enabled tracers */
793 struct adapter_params params;
794 const struct chip_params *chip_params;
795 struct t4_virt_res vres;
807 struct sysctl_ctx_list ctx; /* from adapter_full_init to full_uninit */
812 /* Starving free lists */
813 struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */
814 TAILQ_HEAD(, sge_fl) sfl;
815 struct callout sfl_callout;
817 struct mtx reg_lock; /* for indirect register access */
819 struct memwin memwin[NUM_MEMWIN]; /* memory windows */
821 an_handler_t an_handler __aligned(CACHE_LINE_SIZE);
822 fw_msg_handler_t fw_msg_handler[7]; /* NUM_FW6_TYPES */
823 cpl_handler_t cpl_handler[0xef]; /* NUM_CPL_CMDS */
826 const void *last_op_thr;
832 #define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock)
833 #define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock)
834 #define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED)
835 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED)
837 #define ASSERT_SYNCHRONIZED_OP(sc) \
838 KASSERT(IS_BUSY(sc) && \
839 (mtx_owned(&(sc)->sc_lock) || sc->last_op_thr == curthread), \
840 ("%s: operation not synchronized.", __func__))
842 #define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock)
843 #define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock)
844 #define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED)
845 #define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED)
847 #define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock)
848 #define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock)
849 #define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock)
850 #define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED)
851 #define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED)
853 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl)
854 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl)
855 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
856 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
858 #define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock)
859 #define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock)
860 #define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock)
861 #define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED)
862 #define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED)
864 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq)
865 #define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq)
866 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq)
867 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
868 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
870 #define CH_DUMP_MBOX(sc, mbox, data_reg) \
872 if (sc->debug_flags & DF_DUMP_MBOX) { \
874 "%s mbox %u: %016llx %016llx %016llx %016llx " \
875 "%016llx %016llx %016llx %016llx\n", \
876 device_get_nameunit(sc->dev), mbox, \
877 (unsigned long long)t4_read_reg64(sc, data_reg), \
878 (unsigned long long)t4_read_reg64(sc, data_reg + 8), \
879 (unsigned long long)t4_read_reg64(sc, data_reg + 16), \
880 (unsigned long long)t4_read_reg64(sc, data_reg + 24), \
881 (unsigned long long)t4_read_reg64(sc, data_reg + 32), \
882 (unsigned long long)t4_read_reg64(sc, data_reg + 40), \
883 (unsigned long long)t4_read_reg64(sc, data_reg + 48), \
884 (unsigned long long)t4_read_reg64(sc, data_reg + 56)); \
888 #define for_each_txq(vi, iter, q) \
889 for (q = &vi->pi->adapter->sge.txq[vi->first_txq], iter = 0; \
890 iter < vi->ntxq; ++iter, ++q)
891 #define for_each_rxq(vi, iter, q) \
892 for (q = &vi->pi->adapter->sge.rxq[vi->first_rxq], iter = 0; \
893 iter < vi->nrxq; ++iter, ++q)
894 #define for_each_ofld_txq(vi, iter, q) \
895 for (q = &vi->pi->adapter->sge.ofld_txq[vi->first_ofld_txq], iter = 0; \
896 iter < vi->nofldtxq; ++iter, ++q)
897 #define for_each_ofld_rxq(vi, iter, q) \
898 for (q = &vi->pi->adapter->sge.ofld_rxq[vi->first_ofld_rxq], iter = 0; \
899 iter < vi->nofldrxq; ++iter, ++q)
900 #define for_each_nm_txq(vi, iter, q) \
901 for (q = &vi->pi->adapter->sge.nm_txq[vi->first_nm_txq], iter = 0; \
902 iter < vi->nnmtxq; ++iter, ++q)
903 #define for_each_nm_rxq(vi, iter, q) \
904 for (q = &vi->pi->adapter->sge.nm_rxq[vi->first_nm_rxq], iter = 0; \
905 iter < vi->nnmrxq; ++iter, ++q)
906 #define for_each_vi(_pi, _iter, _vi) \
907 for ((_vi) = (_pi)->vi, (_iter) = 0; (_iter) < (_pi)->nvi; \
910 #define IDXINCR(idx, incr, wrap) do { \
911 idx = wrap - idx > incr ? idx + incr : incr - (wrap - idx); \
913 #define IDXDIFF(head, tail, wrap) \
914 ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head))
916 /* One for errors, one for firmware events */
917 #define T4_EXTRA_INTR 2
919 static inline uint32_t
920 t4_read_reg(struct adapter *sc, uint32_t reg)
923 return bus_space_read_4(sc->bt, sc->bh, reg);
927 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
930 bus_space_write_4(sc->bt, sc->bh, reg, val);
933 static inline uint64_t
934 t4_read_reg64(struct adapter *sc, uint32_t reg)
937 return t4_bus_space_read_8(sc->bt, sc->bh, reg);
941 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
944 t4_bus_space_write_8(sc->bt, sc->bh, reg, val);
948 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
951 *val = pci_read_config(sc->dev, reg, 1);
955 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
958 pci_write_config(sc->dev, reg, val, 1);
962 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
965 *val = pci_read_config(sc->dev, reg, 2);
969 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
972 pci_write_config(sc->dev, reg, val, 2);
976 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
979 *val = pci_read_config(sc->dev, reg, 4);
983 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
986 pci_write_config(sc->dev, reg, val, 4);
989 static inline struct port_info *
990 adap2pinfo(struct adapter *sc, int idx)
993 return (sc->port[idx]);
997 t4_os_set_hw_addr(struct adapter *sc, int idx, uint8_t hw_addr[])
1000 bcopy(hw_addr, sc->port[idx]->vi[0].hw_addr, ETHER_ADDR_LEN);
1004 is_10G_port(const struct port_info *pi)
1007 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G) != 0);
1011 is_40G_port(const struct port_info *pi)
1014 return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G) != 0);
1018 tx_resume_threshold(struct sge_eq *eq)
1021 /* not quite the same as qsize / 4, but this will do. */
1022 return (eq->sidx / 4);
1026 t4_use_ldst(struct adapter *sc)
1030 return (sc->flags & FW_OK || !sc->use_bd);
1037 int t4_os_find_pci_capability(struct adapter *, int);
1038 int t4_os_pci_save_state(struct adapter *);
1039 int t4_os_pci_restore_state(struct adapter *);
1040 void t4_os_portmod_changed(const struct adapter *, int);
1041 void t4_os_link_changed(struct adapter *, int, int, int);
1042 void t4_iterate(void (*)(struct adapter *, void *), void *);
1043 int t4_register_cpl_handler(struct adapter *, int, cpl_handler_t);
1044 int t4_register_an_handler(struct adapter *, an_handler_t);
1045 int t4_register_fw_msg_handler(struct adapter *, int, fw_msg_handler_t);
1046 int t4_filter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
1047 int begin_synchronized_op(struct adapter *, struct vi_info *, int, char *);
1048 void doom_vi(struct adapter *, struct vi_info *);
1049 void end_synchronized_op(struct adapter *, int);
1050 int update_mac_settings(struct ifnet *, int);
1051 int adapter_full_init(struct adapter *);
1052 int adapter_full_uninit(struct adapter *);
1053 uint64_t cxgbe_get_counter(struct ifnet *, ift_counter);
1054 int vi_full_init(struct vi_info *);
1055 int vi_full_uninit(struct vi_info *);
1056 void vi_sysctls(struct vi_info *);
1057 void vi_tick(void *);
1061 void cxgbe_nm_attach(struct vi_info *);
1062 void cxgbe_nm_detach(struct vi_info *);
1063 void t4_nm_intr(void *);
1067 void t4_sge_modload(void);
1068 void t4_sge_modunload(void);
1069 uint64_t t4_sge_extfree_refs(void);
1070 void t4_init_sge_cpl_handlers(struct adapter *);
1071 void t4_tweak_chip_settings(struct adapter *);
1072 int t4_read_chip_settings(struct adapter *);
1073 int t4_create_dma_tag(struct adapter *);
1074 void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *,
1075 struct sysctl_oid_list *);
1076 int t4_destroy_dma_tag(struct adapter *);
1077 int t4_setup_adapter_queues(struct adapter *);
1078 int t4_teardown_adapter_queues(struct adapter *);
1079 int t4_setup_vi_queues(struct vi_info *);
1080 int t4_teardown_vi_queues(struct vi_info *);
1081 void t4_intr_all(void *);
1082 void t4_intr(void *);
1083 void t4_vi_intr(void *);
1084 void t4_intr_err(void *);
1085 void t4_intr_evt(void *);
1086 void t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct wrqe *);
1087 void t4_update_fl_bufsize(struct ifnet *);
1088 int parse_pkt(struct mbuf **);
1089 void *start_wrq_wr(struct sge_wrq *, int, struct wrq_cookie *);
1090 void commit_wrq_wr(struct sge_wrq *, void *, struct wrq_cookie *);
1091 int tnl_cong(struct port_info *, int);
1095 void t4_tracer_modload(void);
1096 void t4_tracer_modunload(void);
1097 void t4_tracer_port_detach(struct adapter *);
1098 int t4_get_tracer(struct adapter *, struct t4_tracer *);
1099 int t4_set_tracer(struct adapter *, struct t4_tracer *);
1100 int t4_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1101 int t5_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
1103 static inline struct wrqe *
1104 alloc_wrqe(int wr_len, struct sge_wrq *wrq)
1106 int len = offsetof(struct wrqe, wr) + wr_len;
1109 wr = malloc(len, M_CXGBE, M_NOWAIT);
1110 if (__predict_false(wr == NULL))
1112 wr->wr_len = wr_len;
1117 static inline void *
1118 wrtod(struct wrqe *wr)
1120 return (&wr->wr[0]);
1124 free_wrqe(struct wrqe *wr)
1130 t4_wrq_tx(struct adapter *sc, struct wrqe *wr)
1132 struct sge_wrq *wrq = wr->wrq;
1135 t4_wrq_tx_locked(sc, wrq, wr);