drivers/net/ethernet/intel/igbvf/regs.h

   1 /*******************************************************************************
   2
   3   Intel(R) 82576 Virtual Function Linux driver
   4   Copyright(c) 2009 - 2010 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 #ifndef _E1000_REGS_H_
  29 #define _E1000_REGS_H_
  30
  31 #define E1000_CTRL      0x00000 /* Device Control - RW */
  32 #define E1000_STATUS    0x00008 /* Device Status - RO */
  33 #define E1000_ITR       0x000C4 /* Interrupt Throttling Rate - RW */
  34 #define E1000_EICR      0x01580 /* Ext. Interrupt Cause Read - R/clr */
  35 #define E1000_EITR(_n)  (0x01680 + (0x4 * (_n)))
  36 #define E1000_EICS      0x01520 /* Ext. Interrupt Cause Set - W0 */
  37 #define E1000_EIMS      0x01524 /* Ext. Interrupt Mask Set/Read - RW */
  38 #define E1000_EIMC      0x01528 /* Ext. Interrupt Mask Clear - WO */
  39 #define E1000_EIAC      0x0152C /* Ext. Interrupt Auto Clear - RW */
  40 #define E1000_EIAM      0x01530 /* Ext. Interrupt Ack Auto Clear Mask - RW */
  41 #define E1000_IVAR0     0x01700 /* Interrupt Vector Allocation (array) - RW */
  42 #define E1000_IVAR_MISC 0x01740 /* IVAR for "other" causes - RW */
  43 /*
  44  * Convenience macros
  45  *
  46  * Note: "_n" is the queue number of the register to be written to.
  47  *
  48  * Example usage:
  49  * E1000_RDBAL_REG(current_rx_queue)
  50  */
  51 #define E1000_RDBAL(_n)      ((_n) < 4 ? (0x02800 + ((_n) * 0x100)) : \
  52                                          (0x0C000 + ((_n) * 0x40)))
  53 #define E1000_RDBAH(_n)      ((_n) < 4 ? (0x02804 + ((_n) * 0x100)) : \
  54                                          (0x0C004 + ((_n) * 0x40)))
  55 #define E1000_RDLEN(_n)      ((_n) < 4 ? (0x02808 + ((_n) * 0x100)) : \
  56                                          (0x0C008 + ((_n) * 0x40)))
  57 #define E1000_SRRCTL(_n)     ((_n) < 4 ? (0x0280C + ((_n) * 0x100)) : \
  58                                          (0x0C00C + ((_n) * 0x40)))
  59 #define E1000_RDH(_n)        ((_n) < 4 ? (0x02810 + ((_n) * 0x100)) : \
  60                                          (0x0C010 + ((_n) * 0x40)))
  61 #define E1000_RDT(_n)        ((_n) < 4 ? (0x02818 + ((_n) * 0x100)) : \
  62                                          (0x0C018 + ((_n) * 0x40)))
  63 #define E1000_RXDCTL(_n)     ((_n) < 4 ? (0x02828 + ((_n) * 0x100)) : \
  64                                          (0x0C028 + ((_n) * 0x40)))
  65 #define E1000_TDBAL(_n)      ((_n) < 4 ? (0x03800 + ((_n) * 0x100)) : \
  66                                          (0x0E000 + ((_n) * 0x40)))
  67 #define E1000_TDBAH(_n)      ((_n) < 4 ? (0x03804 + ((_n) * 0x100)) : \
  68                                          (0x0E004 + ((_n) * 0x40)))
  69 #define E1000_TDLEN(_n)      ((_n) < 4 ? (0x03808 + ((_n) * 0x100)) : \
  70                                          (0x0E008 + ((_n) * 0x40)))
  71 #define E1000_TDH(_n)        ((_n) < 4 ? (0x03810 + ((_n) * 0x100)) : \
  72                                          (0x0E010 + ((_n) * 0x40)))
  73 #define E1000_TDT(_n)        ((_n) < 4 ? (0x03818 + ((_n) * 0x100)) : \
  74                                          (0x0E018 + ((_n) * 0x40)))
  75 #define E1000_TXDCTL(_n)     ((_n) < 4 ? (0x03828 + ((_n) * 0x100)) : \
  76                                          (0x0E028 + ((_n) * 0x40)))
  77 #define E1000_DCA_TXCTRL(_n) (0x03814 + (_n << 8))
  78 #define E1000_DCA_RXCTRL(_n) (0x02814 + (_n << 8))
  79 #define E1000_RAL(_i)  (((_i) <= 15) ? (0x05400 + ((_i) * 8)) : \
  80                                        (0x054E0 + ((_i - 16) * 8)))
  81 #define E1000_RAH(_i)  (((_i) <= 15) ? (0x05404 + ((_i) * 8)) : \
  82                                        (0x054E4 + ((_i - 16) * 8)))
  83
  84 /* Statistics registers */
  85 #define E1000_VFGPRC    0x00F10
  86 #define E1000_VFGORC    0x00F18
  87 #define E1000_VFMPRC    0x00F3C
  88 #define E1000_VFGPTC    0x00F14
  89 #define E1000_VFGOTC    0x00F34
  90 #define E1000_VFGOTLBC  0x00F50
  91 #define E1000_VFGPTLBC  0x00F44
  92 #define E1000_VFGORLBC  0x00F48
  93 #define E1000_VFGPRLBC  0x00F40
  94
  95 /* These act per VF so an array friendly macro is used */
  96 #define E1000_V2PMAILBOX(_n)   (0x00C40 + (4 * (_n)))
  97 #define E1000_VMBMEM(_n)       (0x00800 + (64 * (_n)))
  98
  99 /* Define macros for handling registers */
 100 #define er32(reg) readl(hw->hw_addr + E1000_##reg)
 101 #define ew32(reg, val) writel((val), hw->hw_addr +  E1000_##reg)
 102 #define array_er32(reg, offset) \
 103         readl(hw->hw_addr + E1000_##reg + (offset << 2))
 104 #define array_ew32(reg, offset, val) \
 105         writel((val), hw->hw_addr +  E1000_##reg + (offset << 2))
 106 #define e1e_flush() er32(STATUS)
 107
 108 #endif