usr/src/uts/common/io/cxgbe/shared/shared.h

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source. A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * This file is part of the Chelsio T4 support code.
  14  *
  15  * Copyright (C) 2011-2013 Chelsio Communications.  All rights reserved.
  16  *
  17  * This program is distributed in the hope that it will be useful, but WITHOUT
  18  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19  * FITNESS FOR A PARTICULAR PURPOSE.  See the LICENSE file included in this
  20  * release for licensing terms and conditions.
  21  */
  22
  23 #ifndef __CXGBE_SHARED_H
  24 #define __CXGBE_SHARED_H
  25
  26 #include <sys/ddi.h>
  27 #include <sys/sunddi.h>
  28
  29 #define UNIMPLEMENTED() cmn_err(CE_WARN, "%s (%s:%d) unimplemented.", \
  30     __func__, __FILE__, __LINE__)
  31
  32 #define bitloc(a, i)    ((a)[(i)/NBBY])
  33 #define setbit(a, i)    ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
  34 #define clrbit(a, i)    ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
  35 #define isset(a, i)     ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
  36 #define isclr(a, i)     (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
  37
  38 /* TODO: really icky, but we don't want to include adapter.h in cxgb/cxgbe */
  39 #define PORT_INFO_HDR \
  40         dev_info_t *dip; \
  41         void *mh; \
  42         void *mc; \
  43         void *props; \
  44         int mtu; \
  45         uint8_t hw_addr[ETHERADDRL]
  46
  47 struct mblk_pair {
  48         mblk_t *head, *tail;
  49 };
  50
  51 struct rxbuf {
  52         kmem_cache_t *cache;            /* the kmem_cache this rxb came from */
  53         ddi_dma_handle_t dhdl;
  54         ddi_acc_handle_t ahdl;
  55         caddr_t va;                     /* KVA of buffer */
  56         uint64_t ba;                    /* bus address of buffer */
  57         frtn_t freefunc;
  58         uint_t buf_size;
  59         volatile uint_t ref_cnt;
  60 };
  61
  62 struct rxbuf_cache_params {
  63         dev_info_t              *dip;
  64         ddi_dma_attr_t          dma_attr_rx;
  65         ddi_device_acc_attr_t   acc_attr_rx;
  66         size_t                  buf_size;
  67 };
  68
  69 void cxgb_printf(dev_info_t *dip, int level, char *f, ...);
  70 kmem_cache_t *rxbuf_cache_create(struct rxbuf_cache_params *p);
  71 void rxbuf_cache_destroy(kmem_cache_t *cache);
  72 struct rxbuf *rxbuf_alloc(kmem_cache_t *cache, int kmflags, uint_t ref_cnt);
  73 void rxbuf_free(struct rxbuf *rxb);
  74
  75 #endif /* __CXGBE_SHARED_H */