cmd.c revision 8d9eb069eafce49307f839783e4a4673414b1fd5
1225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier/* 2225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 351a379d0c8f7a6db7c9e3c9c770d90a6d2d1ef9bJack Morgenstein * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. 4225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. 5225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * 6225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * This software is available to you under a choice of one of two 7225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * licenses. You may choose to be licensed under the terms of the GNU 8225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * General Public License (GPL) Version 2, available from the file 9225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * COPYING in the main directory of this source tree, or the 10225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * OpenIB.org BSD license below: 11225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * 12225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * Redistribution and use in source and binary forms, with or 13225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * without modification, are permitted provided that the following 14225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * conditions are met: 15225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * 16225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * - Redistributions of source code must retain the above 17225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * copyright notice, this list of conditions and the following 18225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * disclaimer. 19225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * 20225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * - Redistributions in binary form must reproduce the above 21225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * copyright notice, this list of conditions and the following 22225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * disclaimer in the documentation and/or other materials 23225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * provided with the distribution. 24225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * 25225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * SOFTWARE. 33225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier */ 34225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 35225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier#include <linux/sched.h> 365a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 37ee40fa0656a730491765545ff7550f3c1ceb0fbcPaul Gortmaker#include <linux/export.h> 38225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier#include <linux/pci.h> 39225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier#include <linux/errno.h> 40225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 41225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier#include <linux/mlx4/cmd.h> 42e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin#include <linux/semaphore.h> 43225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 44225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier#include <asm/io.h> 45225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 46225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier#include "mlx4.h" 47e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin#include "fw.h" 48225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 49225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier#define CMD_POLL_TOKEN 0xffff 50e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin#define INBOX_MASK 0xffffffffffffff00ULL 51e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 52e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin#define CMD_CHAN_VER 1 53e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin#define CMD_CHAN_IF_REV 1 54225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 55225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierenum { 56225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* command completed successfully: */ 57225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_OK = 0x00, 58225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Internal error (such as a bus error) occurred while processing command: */ 59225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_INTERNAL_ERR = 0x01, 60225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Operation/command not supported or opcode modifier not supported: */ 61225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_OP = 0x02, 62225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Parameter not supported or parameter out of range: */ 63225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_PARAM = 0x03, 64225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* System not enabled or bad system state: */ 65225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_SYS_STATE = 0x04, 66225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Attempt to access reserved or unallocaterd resource: */ 67225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_RESOURCE = 0x05, 68225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Requested resource is currently executing a command, or is otherwise busy: */ 69225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_RESOURCE_BUSY = 0x06, 70225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Required capability exceeds device limits: */ 71225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_EXCEED_LIM = 0x08, 72225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Resource is not in the appropriate state or ownership: */ 73225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_RES_STATE = 0x09, 74225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Index out of range: */ 75225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_INDEX = 0x0a, 76225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* FW image corrupted: */ 77225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_NVMEM = 0x0b, 78899698dad72340b562478b8b770317f2f0fe0c09Jack Morgenstein /* Error in ICM mapping (e.g. not enough auxiliary ICM pages to execute command): */ 79899698dad72340b562478b8b770317f2f0fe0c09Jack Morgenstein CMD_STAT_ICM_ERROR = 0x0c, 80225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Attempt to modify a QP/EE which is not in the presumed state: */ 81225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_QP_STATE = 0x10, 82225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Bad segment parameters (Address/Size): */ 83225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_SEG_PARAM = 0x20, 84225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Memory Region has Memory Windows bound to: */ 85225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_REG_BOUND = 0x21, 86225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* HCA local attached memory not present: */ 87225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_LAM_NOT_PRE = 0x22, 88225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* Bad management packet (silently discarded): */ 89225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier CMD_STAT_BAD_PKT = 0x30, 90225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* More outstanding CQEs in CQ than new CQ size: */ 91cc4ac2e7fb90dfbbbd5a42df0879733f787e4690Yevgeny Petrilin CMD_STAT_BAD_SIZE = 0x40, 92cc4ac2e7fb90dfbbbd5a42df0879733f787e4690Yevgeny Petrilin /* Multi Function device support required: */ 93cc4ac2e7fb90dfbbbd5a42df0879733f787e4690Yevgeny Petrilin CMD_STAT_MULTI_FUNC_REQ = 0x50, 94225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier}; 95225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 96225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierenum { 97225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_IN_PARAM_OFFSET = 0x00, 98225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_IN_MODIFIER_OFFSET = 0x08, 99225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_OUT_PARAM_OFFSET = 0x0c, 100225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_TOKEN_OFFSET = 0x14, 101225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_STATUS_OFFSET = 0x18, 102225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 103225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_OPMOD_SHIFT = 12, 104225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_T_BIT = 21, 105225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_E_BIT = 22, 106225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier HCR_GO_BIT = 23 107225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier}; 108225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 109225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierenum { 11036ce10d3e849c2f9efa3fd647058de398ee276ebDotan Barak GO_BIT_TIMEOUT_MSECS = 10000 111225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier}; 112225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 113225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierstruct mlx4_cmd_context { 114225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct completion done; 115225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int result; 116225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int next; 117225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier u64 out_param; 118225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier u16 token; 119e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u8 fw_status; 120225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier}; 121225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 122e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int mlx4_master_process_vhcr(struct mlx4_dev *dev, int slave, 123e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_vhcr_cmd *in_vhcr); 124e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 125ca2812111433284024386a8cfd4151651469523eRoland Dreierstatic int mlx4_status_to_errno(u8 status) 126ca2812111433284024386a8cfd4151651469523eRoland Dreier{ 127225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier static const int trans_table[] = { 128225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_INTERNAL_ERR] = -EIO, 129225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_OP] = -EPERM, 130225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_PARAM] = -EINVAL, 131225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_SYS_STATE] = -ENXIO, 132225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_RESOURCE] = -EBADF, 133225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_RESOURCE_BUSY] = -EBUSY, 134225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_EXCEED_LIM] = -ENOMEM, 135225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_RES_STATE] = -EBADF, 136225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_INDEX] = -EBADF, 137225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_NVMEM] = -EFAULT, 138899698dad72340b562478b8b770317f2f0fe0c09Jack Morgenstein [CMD_STAT_ICM_ERROR] = -ENFILE, 139225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_QP_STATE] = -EINVAL, 140225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_SEG_PARAM] = -EFAULT, 141225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_REG_BOUND] = -EBUSY, 142225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_LAM_NOT_PRE] = -EAGAIN, 143225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_PKT] = -EINVAL, 144225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier [CMD_STAT_BAD_SIZE] = -ENOMEM, 145cc4ac2e7fb90dfbbbd5a42df0879733f787e4690Yevgeny Petrilin [CMD_STAT_MULTI_FUNC_REQ] = -EACCES, 146225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier }; 147225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 148225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (status >= ARRAY_SIZE(trans_table) || 149225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier (status != CMD_STAT_OK && trans_table[status] == 0)) 150225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return -EIO; 151225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 152225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return trans_table[status]; 153225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 154225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 15572be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilinstatic u8 mlx4_errno_to_status(int errno) 15672be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin{ 15772be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin switch (errno) { 15872be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin case -EPERM: 15972be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin return CMD_STAT_BAD_OP; 16072be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin case -EINVAL: 16172be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin return CMD_STAT_BAD_PARAM; 16272be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin case -ENXIO: 16372be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin return CMD_STAT_BAD_SYS_STATE; 16472be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin case -EBUSY: 16572be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin return CMD_STAT_RESOURCE_BUSY; 16672be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin case -ENOMEM: 16772be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin return CMD_STAT_EXCEED_LIM; 16872be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin case -ENFILE: 16972be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin return CMD_STAT_ICM_ERROR; 17072be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin default: 17172be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin return CMD_STAT_INTERNAL_ERR; 17272be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin } 17372be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin} 17472be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin 175e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int comm_pending(struct mlx4_dev *dev) 176e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 177e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_priv *priv = mlx4_priv(dev); 178e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 status = readl(&priv->mfunc.comm->slave_read); 179e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 180e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return (swab32(status) >> 31) != priv->cmd.comm_toggle; 181e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 182e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 183e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic void mlx4_comm_cmd_post(struct mlx4_dev *dev, u8 cmd, u16 param) 184e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 185e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_priv *priv = mlx4_priv(dev); 186e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 val; 187e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 188e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->cmd.comm_toggle ^= 1; 189e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin val = param | (cmd << 16) | (priv->cmd.comm_toggle << 31); 190e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin __raw_writel((__force u32) cpu_to_be32(val), 191e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin &priv->mfunc.comm->slave_write); 192e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mmiowb(); 193e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 194e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 195e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int mlx4_comm_cmd_poll(struct mlx4_dev *dev, u8 cmd, u16 param, 196e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin unsigned long timeout) 197e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 198e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_priv *priv = mlx4_priv(dev); 199e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin unsigned long end; 200e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int err = 0; 201e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int ret_from_pending = 0; 202e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 203e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* First, verify that the master reports correct status */ 204e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (comm_pending(dev)) { 205e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Communication channel is not idle." 206e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "my toggle is %d (cmd:0x%x)\n", 207e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->cmd.comm_toggle, cmd); 208e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return -EAGAIN; 209e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 210e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 211e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Write command */ 212e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin down(&priv->cmd.poll_sem); 213e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_comm_cmd_post(dev, cmd, param); 214e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 215e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin end = msecs_to_jiffies(timeout) + jiffies; 216e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin while (comm_pending(dev) && time_before(jiffies, end)) 217e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin cond_resched(); 218e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ret_from_pending = comm_pending(dev); 219e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (ret_from_pending) { 220e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* check if the slave is trying to boot in the middle of 221e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin * FLR process. The only non-zero result in the RESET command 222e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin * is MLX4_DELAY_RESET_SLAVE*/ 223e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if ((MLX4_COMM_CMD_RESET == cmd)) { 224e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Got slave FLRed from Communication" 225e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin " channel (ret:0x%x)\n", ret_from_pending); 226e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin err = MLX4_DELAY_RESET_SLAVE; 227e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } else { 228e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Communication channel timed out\n"); 229e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin err = -ETIMEDOUT; 230e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 231e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 232e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 233e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin up(&priv->cmd.poll_sem); 234e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return err; 235e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 236e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 237e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int mlx4_comm_cmd_wait(struct mlx4_dev *dev, u8 op, 238e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u16 param, unsigned long timeout) 239e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 240e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; 241e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_context *context; 242e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int err = 0; 243e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 244e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin down(&cmd->event_sem); 245e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 246e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_lock(&cmd->context_lock); 247e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin BUG_ON(cmd->free_head < 0); 248e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin context = &cmd->context[cmd->free_head]; 249e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin context->token += cmd->token_mask + 1; 250e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin cmd->free_head = context->next; 251e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_unlock(&cmd->context_lock); 252e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 253e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin init_completion(&context->done); 254e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 255e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_comm_cmd_post(dev, op, param); 256e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 257e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!wait_for_completion_timeout(&context->done, 258e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin msecs_to_jiffies(timeout))) { 259e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin err = -EBUSY; 260e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto out; 261e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 262e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 263e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin err = context->result; 264e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (err && context->fw_status != CMD_STAT_MULTI_FUNC_REQ) { 265e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "command 0x%x failed: fw status = 0x%x\n", 266e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin op, context->fw_status); 267e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto out; 268e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 269e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 270e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinout: 271e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_lock(&cmd->context_lock); 272e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin context->next = cmd->free_head; 273e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin cmd->free_head = context - cmd->context; 274e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_unlock(&cmd->context_lock); 275e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 276e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin up(&cmd->event_sem); 277e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return err; 278e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 279e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 280ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinint mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param, 281e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin unsigned long timeout) 282e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 283e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (mlx4_priv(dev)->cmd.use_events) 284e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return mlx4_comm_cmd_wait(dev, cmd, param, timeout); 285e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return mlx4_comm_cmd_poll(dev, cmd, param, timeout); 286e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 287e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 288225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierstatic int cmd_pending(struct mlx4_dev *dev) 289225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 290225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier u32 status = readl(mlx4_priv(dev)->cmd.hcr + HCR_STATUS_OFFSET); 291225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 292225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return (status & swab32(1 << HCR_GO_BIT)) || 293225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier (mlx4_priv(dev)->cmd.toggle == 294225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier !!(status & swab32(1 << HCR_T_BIT))); 295225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 296225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 297225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierstatic int mlx4_cmd_post(struct mlx4_dev *dev, u64 in_param, u64 out_param, 298225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier u32 in_modifier, u8 op_modifier, u16 op, u16 token, 299225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int event) 300225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 301225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; 302225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier u32 __iomem *hcr = cmd->hcr; 303225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int ret = -EAGAIN; 304225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier unsigned long end; 305225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 306225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier mutex_lock(&cmd->hcr_mutex); 307225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 308225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier end = jiffies; 309225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (event) 31036ce10d3e849c2f9efa3fd647058de398ee276ebDotan Barak end += msecs_to_jiffies(GO_BIT_TIMEOUT_MSECS); 311225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 312225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier while (cmd_pending(dev)) { 313e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (time_after_eq(jiffies, end)) { 314e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "%s:cmd_pending failed\n", __func__); 315225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier goto out; 316e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 317225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier cond_resched(); 318225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier } 319225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 320225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* 321225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * We use writel (instead of something like memcpy_toio) 322225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * because writes of less than 32 bits to the HCR don't work 323225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * (and some architectures such as ia64 implement memcpy_toio 324225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * in terms of writeb). 325225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier */ 326225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_writel((__force u32) cpu_to_be32(in_param >> 32), hcr + 0); 327225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_writel((__force u32) cpu_to_be32(in_param & 0xfffffffful), hcr + 1); 328225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_writel((__force u32) cpu_to_be32(in_modifier), hcr + 2); 329225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_writel((__force u32) cpu_to_be32(out_param >> 32), hcr + 3); 330225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_writel((__force u32) cpu_to_be32(out_param & 0xfffffffful), hcr + 4); 331225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_writel((__force u32) cpu_to_be32(token << 16), hcr + 5); 332225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 333225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* __raw_writel may not order writes. */ 334225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier wmb(); 335225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 336225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) | 337225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier (cmd->toggle << HCR_T_BIT) | 338225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier (event ? (1 << HCR_E_BIT) : 0) | 339225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier (op_modifier << HCR_OPMOD_SHIFT) | 340e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin op), hcr + 6); 3412e61c646edfa013203e3428762f8d6a72e10bdeaRoland Dreier 3422e61c646edfa013203e3428762f8d6a72e10bdeaRoland Dreier /* 3432e61c646edfa013203e3428762f8d6a72e10bdeaRoland Dreier * Make sure that our HCR writes don't get mixed in with 3442e61c646edfa013203e3428762f8d6a72e10bdeaRoland Dreier * writes from another CPU starting a FW command. 3452e61c646edfa013203e3428762f8d6a72e10bdeaRoland Dreier */ 3462e61c646edfa013203e3428762f8d6a72e10bdeaRoland Dreier mmiowb(); 3472e61c646edfa013203e3428762f8d6a72e10bdeaRoland Dreier 348225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier cmd->toggle = cmd->toggle ^ 1; 349225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 350225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier ret = 0; 351225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 352225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierout: 353225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier mutex_unlock(&cmd->hcr_mutex); 354225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return ret; 355225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 356225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 357e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int mlx4_slave_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param, 358e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int out_is_imm, u32 in_modifier, u8 op_modifier, 359e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u16 op, unsigned long timeout) 360e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 361e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_priv *priv = mlx4_priv(dev); 362e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_vhcr_cmd *vhcr = priv->mfunc.vhcr; 363e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int ret; 364e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 365e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin down(&priv->cmd.slave_sem); 366e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_param = cpu_to_be64(in_param); 367e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->out_param = out_param ? cpu_to_be64(*out_param) : 0; 368e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_modifier = cpu_to_be32(in_modifier); 369e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->opcode = cpu_to_be16((((u16) op_modifier) << 12) | (op & 0xfff)); 370e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->token = cpu_to_be16(CMD_POLL_TOKEN); 371e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->status = 0; 372e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->flags = !!(priv->cmd.use_events) << 6; 373e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (mlx4_is_master(dev)) { 374e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ret = mlx4_master_process_vhcr(dev, dev->caps.function, vhcr); 375e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!ret) { 376e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (out_is_imm) { 377e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (out_param) 378e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin *out_param = 379e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin be64_to_cpu(vhcr->out_param); 380e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin else { 381e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "response expected while" 382e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "output mailbox is NULL for " 383e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "command 0x%x\n", op); 38472be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr->status = CMD_STAT_BAD_PARAM; 385e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 386e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 38772be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin ret = mlx4_status_to_errno(vhcr->status); 388e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 389e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } else { 390e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ret = mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_POST, 0, 391e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_COMM_TIME + timeout); 392e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!ret) { 393e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (out_is_imm) { 394e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (out_param) 395e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin *out_param = 396e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin be64_to_cpu(vhcr->out_param); 397e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin else { 398e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "response expected while" 399e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "output mailbox is NULL for " 400e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "command 0x%x\n", op); 40172be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr->status = CMD_STAT_BAD_PARAM; 402e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 403e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 40472be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin ret = mlx4_status_to_errno(vhcr->status); 405e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } else 406e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "failed execution of VHCR_POST command" 407e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "opcode 0x%x\n", op); 408e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 409e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin up(&priv->cmd.slave_sem); 410e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return ret; 411e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 412e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 413225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierstatic int mlx4_cmd_poll(struct mlx4_dev *dev, u64 in_param, u64 *out_param, 414225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int out_is_imm, u32 in_modifier, u8 op_modifier, 415225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier u16 op, unsigned long timeout) 416225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 417225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_priv *priv = mlx4_priv(dev); 418225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier void __iomem *hcr = priv->cmd.hcr; 419225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int err = 0; 420225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier unsigned long end; 421e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 stat; 422225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 423225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier down(&priv->cmd.poll_sem); 424225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 425225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier err = mlx4_cmd_post(dev, in_param, out_param ? *out_param : 0, 426225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier in_modifier, op_modifier, op, CMD_POLL_TOKEN, 0); 427225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (err) 428225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier goto out; 429225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 430225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier end = msecs_to_jiffies(timeout) + jiffies; 431225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier while (cmd_pending(dev) && time_before(jiffies, end)) 432225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier cond_resched(); 433225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 434225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (cmd_pending(dev)) { 435225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier err = -ETIMEDOUT; 436225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier goto out; 437225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier } 438225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 439225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (out_is_imm) 440225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier *out_param = 441225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier (u64) be32_to_cpu((__force __be32) 442225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_readl(hcr + HCR_OUT_PARAM_OFFSET)) << 32 | 443225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier (u64) be32_to_cpu((__force __be32) 444225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier __raw_readl(hcr + HCR_OUT_PARAM_OFFSET + 4)); 445e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin stat = be32_to_cpu((__force __be32) 446e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin __raw_readl(hcr + HCR_STATUS_OFFSET)) >> 24; 447e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin err = mlx4_status_to_errno(stat); 448e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (err) 449e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "command 0x%x failed: fw status = 0x%x\n", 450e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin op, stat); 451225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 452225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierout: 453225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier up(&priv->cmd.poll_sem); 454225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return err; 455225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 456225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 457225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreiervoid mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param) 458225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 459225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_priv *priv = mlx4_priv(dev); 460225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_cmd_context *context = 461225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier &priv->cmd.context[token & priv->cmd.token_mask]; 462225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 463225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier /* previously timed out command completing at long last */ 464225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (token != context->token) 465225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return; 466225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 467e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin context->fw_status = status; 468225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier context->result = mlx4_status_to_errno(status); 469225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier context->out_param = out_param; 470225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 471225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier complete(&context->done); 472225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 473225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 474225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierstatic int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param, 475225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int out_is_imm, u32 in_modifier, u8 op_modifier, 476225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier u16 op, unsigned long timeout) 477225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 478225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; 479225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_cmd_context *context; 480225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int err = 0; 481225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 482225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier down(&cmd->event_sem); 483225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 484225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier spin_lock(&cmd->context_lock); 485225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier BUG_ON(cmd->free_head < 0); 486225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier context = &cmd->context[cmd->free_head]; 4870981582dbfae86ba0306406f1af329bb702752d2Roland Dreier context->token += cmd->token_mask + 1; 488225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier cmd->free_head = context->next; 489225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier spin_unlock(&cmd->context_lock); 490225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 491225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier init_completion(&context->done); 492225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 493225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier mlx4_cmd_post(dev, in_param, out_param ? *out_param : 0, 494225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier in_modifier, op_modifier, op, context->token, 1); 495225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 496e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!wait_for_completion_timeout(&context->done, 497e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin msecs_to_jiffies(timeout))) { 498225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier err = -EBUSY; 499225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier goto out; 500225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier } 501225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 502225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier err = context->result; 503e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (err) { 504e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "command 0x%x failed: fw status = 0x%x\n", 505e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin op, context->fw_status); 506225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier goto out; 507e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 508225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 509225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (out_is_imm) 510225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier *out_param = context->out_param; 511225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 512225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierout: 513225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier spin_lock(&cmd->context_lock); 514225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier context->next = cmd->free_head; 515225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier cmd->free_head = context - cmd->context; 516225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier spin_unlock(&cmd->context_lock); 517225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 518225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier up(&cmd->event_sem); 519225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return err; 520225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 521225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 522225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierint __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param, 523225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int out_is_imm, u32 in_modifier, u8 op_modifier, 524f9baff509f8a05a79626defdbdf4f4aa4efd373bJack Morgenstein u16 op, unsigned long timeout, int native) 525225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 526e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!mlx4_is_mfunc(dev) || (native && mlx4_is_master(dev))) { 527e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (mlx4_priv(dev)->cmd.use_events) 528e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return mlx4_cmd_wait(dev, in_param, out_param, 529e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin out_is_imm, in_modifier, 530e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin op_modifier, op, timeout); 531e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin else 532e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return mlx4_cmd_poll(dev, in_param, out_param, 533e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin out_is_imm, in_modifier, 534e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin op_modifier, op, timeout); 535e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 536e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return mlx4_slave_cmd(dev, in_param, out_param, out_is_imm, 537e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin in_modifier, op_modifier, op, timeout); 538225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 539225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland DreierEXPORT_SYMBOL_GPL(__mlx4_cmd); 540225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 541e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 542e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev) 543e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 544e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_ARM_COMM_CHANNEL, 545e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 546e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 547e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 548e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int mlx4_ACCESS_MEM(struct mlx4_dev *dev, u64 master_addr, 549e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int slave, u64 slave_addr, 550e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int size, int is_read) 551e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 552e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u64 in_param; 553e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u64 out_param; 554e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 555e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if ((slave_addr & 0xfff) | (master_addr & 0xfff) | 556e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin (slave & ~0x7f) | (size & 0xff)) { 557e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "Bad access mem params - slave_addr:0x%llx " 558e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "master_addr:0x%llx slave_id:%d size:%d\n", 559e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_addr, master_addr, slave, size); 560e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return -EINVAL; 561e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 562e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 563e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (is_read) { 564e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin in_param = (u64) slave | slave_addr; 565e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin out_param = (u64) dev->caps.function | master_addr; 566e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } else { 567e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin in_param = (u64) dev->caps.function | master_addr; 568e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin out_param = (u64) slave | slave_addr; 569e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 570e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 571e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return mlx4_cmd_imm(dev, in_param, &out_param, size, 0, 572e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_CMD_ACCESS_MEM, 573e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 574e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 575e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 576e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinint mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave, 577e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_vhcr *vhcr, 578e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_mailbox *inbox, 579e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_mailbox *outbox, 580e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_info *cmd) 581e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 582e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u64 in_param; 583e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u64 out_param; 584e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int err; 585e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 586e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin in_param = cmd->has_inbox ? (u64) inbox->dma : vhcr->in_param; 587e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin out_param = cmd->has_outbox ? (u64) outbox->dma : vhcr->out_param; 588e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->encode_slave_id) { 589e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin in_param &= 0xffffffffffffff00ll; 590e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin in_param |= slave; 591e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 592e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 593e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin err = __mlx4_cmd(dev, in_param, &out_param, cmd->out_is_imm, 594e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_modifier, vhcr->op_modifier, vhcr->op, 595e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 596e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 597e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->out_is_imm) 598e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->out_param = out_param; 599e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 600e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return err; 601e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 602e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 603e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic struct mlx4_cmd_info cmd_info[] = { 604e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin { 605e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .opcode = MLX4_CMD_QUERY_FW, 606e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .has_inbox = false, 607e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .has_outbox = true, 608e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .out_is_imm = false, 609e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .encode_slave_id = false, 610e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .verify = NULL, 611e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .wrapper = NULL 612e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin }, 613e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin { 614e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .opcode = MLX4_CMD_QUERY_HCA, 615e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .has_inbox = false, 616e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .has_outbox = true, 617e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .out_is_imm = false, 618e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .encode_slave_id = false, 619e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .verify = NULL, 620e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .wrapper = NULL 621e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin }, 622e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin { 623e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .opcode = MLX4_CMD_QUERY_DEV_CAP, 624e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .has_inbox = false, 625e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .has_outbox = true, 626e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .out_is_imm = false, 627e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .encode_slave_id = false, 628e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .verify = NULL, 629e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin .wrapper = NULL 630e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin }, 631c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 632c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_FUNC_CAP, 633c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 634c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 635c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 636c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 637c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 638c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QUERY_FUNC_CAP_wrapper 639c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 640c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 641c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_ADAPTER, 642c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 643c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 644c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 645c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 646c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 647c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = NULL 648c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 649c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 650c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_INIT_PORT, 651c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 652c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 653c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 654c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 655c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 656c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_INIT_PORT_wrapper 657c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 658c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 659c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_CLOSE_PORT, 660c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 661c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 662c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 663c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 664c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 665c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_CLOSE_PORT_wrapper 666c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 667c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 668c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_PORT, 669c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 670c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 671c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 672c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 673c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 674c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QUERY_PORT_wrapper 675c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 676c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 677ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .opcode = MLX4_CMD_SET_PORT, 678ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_inbox = true, 679ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_outbox = false, 680ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .out_is_imm = false, 681ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .encode_slave_id = false, 682ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .verify = NULL, 683ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .wrapper = mlx4_SET_PORT_wrapper 684ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev }, 685ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev { 686c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_MAP_EQ, 687c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 688c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 689c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 690c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 691c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 692c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_MAP_EQ_wrapper 693c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 694c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 695c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SW2HW_EQ, 696c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 697c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 698c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 699c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = true, 700c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 701c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_SW2HW_EQ_wrapper 702c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 703c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 704c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_HW_HEALTH_CHECK, 705c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 706c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 707c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 708c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 709c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 710c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = NULL 711c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 712c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 713c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_NOP, 714c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 715c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 716c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 717c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 718c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 719c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = NULL 720c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 721c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 722c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_ALLOC_RES, 723c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 724c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 725c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = true, 726c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 727c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 728c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_ALLOC_RES_wrapper 729c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 730c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 731c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_FREE_RES, 732c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 733c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 734c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 735c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 736c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 737c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_FREE_RES_wrapper 738c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 739c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 740c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SW2HW_MPT, 741c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 742c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 743c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 744c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = true, 745c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 746c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_SW2HW_MPT_wrapper 747c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 748c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 749c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_MPT, 750c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 751c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 752c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 753c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 754c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 755c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QUERY_MPT_wrapper 756c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 757c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 758c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_HW2SW_MPT, 759c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 760c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 761c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 762c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 763c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 764c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_HW2SW_MPT_wrapper 765c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 766c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 767c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_READ_MTT, 768c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 769c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 770c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 771c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 772c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 773c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = NULL 774c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 775c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 776c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_WRITE_MTT, 777c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 778c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 779c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 780c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 781c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 782c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_WRITE_MTT_wrapper 783c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 784c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 785c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SYNC_TPT, 786c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 787c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 788c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 789c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 790c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 791c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = NULL 792c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 793c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 794c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_HW2SW_EQ, 795c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 796c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 797c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 798c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = true, 799c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 800c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_HW2SW_EQ_wrapper 801c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 802c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 803c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_EQ, 804c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 805c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 806c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 807c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = true, 808c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 809c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QUERY_EQ_wrapper 810c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 811c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 812c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SW2HW_CQ, 813c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 814c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 815c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 816c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = true, 817c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 818c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_SW2HW_CQ_wrapper 819c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 820c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 821c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_HW2SW_CQ, 822c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 823c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 824c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 825c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 826c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 827c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_HW2SW_CQ_wrapper 828c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 829c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 830c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_CQ, 831c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 832c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 833c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 834c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 835c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 836c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QUERY_CQ_wrapper 837c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 838c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 839c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_MODIFY_CQ, 840c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 841c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 842c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = true, 843c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 844c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 845c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_MODIFY_CQ_wrapper 846c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 847c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 848c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SW2HW_SRQ, 849c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 850c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 851c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 852c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = true, 853c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 854c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_SW2HW_SRQ_wrapper 855c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 856c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 857c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_HW2SW_SRQ, 858c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 859c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 860c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 861c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 862c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 863c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_HW2SW_SRQ_wrapper 864c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 865c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 866c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_SRQ, 867c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 868c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 869c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 870c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 871c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 872c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QUERY_SRQ_wrapper 873c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 874c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 875c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_ARM_SRQ, 876c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 877c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 878c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 879c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 880c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 881c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_ARM_SRQ_wrapper 882c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 883c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 884c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_RST2INIT_QP, 885c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 886c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 887c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 888c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = true, 889c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 890c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_RST2INIT_QP_wrapper 891c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 892c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 893c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_INIT2INIT_QP, 894c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 895c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 896c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 897c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 898c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 899c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 900c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 901c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 902c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_INIT2RTR_QP, 903c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 904c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 905c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 906c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 907c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 908c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_INIT2RTR_QP_wrapper 909c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 910c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 911c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_RTR2RTS_QP, 912c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 913c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 914c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 915c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 916c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 917c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 918c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 919c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 920c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_RTS2RTS_QP, 921c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 922c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 923c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 924c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 925c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 926c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 927c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 928c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 929c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SQERR2RTS_QP, 930c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 931c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 932c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 933c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 934c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 935c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 936c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 937c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 938c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_2ERR_QP, 939c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 940c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 941c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 942c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 943c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 944c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 945c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 946c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 947c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_RTS2SQD_QP, 948c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 949c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 950c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 951c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 952c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 953c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 954c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 955c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 956c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SQD2SQD_QP, 957c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 958c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 959c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 960c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 961c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 962c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 963c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 964c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 965c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SQD2RTS_QP, 966c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 967c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 968c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 969c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 970c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 971c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 972c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 973c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 974c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_2RST_QP, 975c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 976c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 977c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 978c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 979c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 980c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_2RST_QP_wrapper 981c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 982c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 983c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_QP, 984c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 985c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 986c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 987c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 988c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 989c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 990c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 991c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 992c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_SUSPEND_QP, 993c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 994c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 995c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 996c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 997c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 998c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 999c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 1000c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 1001c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_UNSUSPEND_QP, 1002c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 1003c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 1004c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 1005c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 1006c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 1007c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_GEN_QP_wrapper 1008c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 1009c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 1010c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QUERY_IF_STAT, 1011c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 1012c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = true, 1013c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 1014c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 1015c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 1016c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QUERY_IF_STAT_wrapper 1017c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 1018c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen /* Native multicast commands are not available for guests */ 1019c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 1020c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_QP_ATTACH, 1021c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = true, 1022c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 1023c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 1024c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 1025c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 1026c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = mlx4_QP_ATTACH_wrapper 1027c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 1028c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen { 10290ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev .opcode = MLX4_CMD_PROMISC, 10300ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev .has_inbox = false, 10310ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev .has_outbox = false, 10320ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev .out_is_imm = false, 10330ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev .encode_slave_id = false, 10340ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev .verify = NULL, 10350ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev .wrapper = mlx4_PROMISC_wrapper 10360ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev }, 1037ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev /* Ethernet specific commands */ 1038ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev { 1039ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .opcode = MLX4_CMD_SET_VLAN_FLTR, 1040ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_inbox = true, 1041ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_outbox = false, 1042ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .out_is_imm = false, 1043ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .encode_slave_id = false, 1044ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .verify = NULL, 1045ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .wrapper = mlx4_SET_VLAN_FLTR_wrapper 1046ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev }, 1047ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev { 1048ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .opcode = MLX4_CMD_SET_MCAST_FLTR, 1049ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_inbox = false, 1050ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_outbox = false, 1051ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .out_is_imm = false, 1052ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .encode_slave_id = false, 1053ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .verify = NULL, 1054ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .wrapper = mlx4_SET_MCAST_FLTR_wrapper 1055ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev }, 1056ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev { 1057ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .opcode = MLX4_CMD_DUMP_ETH_STATS, 1058ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_inbox = false, 1059ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .has_outbox = true, 1060ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .out_is_imm = false, 1061ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .encode_slave_id = false, 1062ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .verify = NULL, 1063ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev .wrapper = mlx4_DUMP_ETH_STATS_wrapper 1064ffe455ad04681f3fc48eef595fe526a795f809a3Eugenia Emantayev }, 10650ec2c0f86d31ab36547307f133b0016006bdc6b5Eugenia Emantayev { 1066c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .opcode = MLX4_CMD_INFORM_FLR_DONE, 1067c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_inbox = false, 1068c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .has_outbox = false, 1069c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .out_is_imm = false, 1070c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .encode_slave_id = false, 1071c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .verify = NULL, 1072c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen .wrapper = NULL 1073c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen }, 1074e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin}; 1075e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1076e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic int mlx4_master_process_vhcr(struct mlx4_dev *dev, int slave, 1077e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_vhcr_cmd *in_vhcr) 1078e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 1079e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_priv *priv = mlx4_priv(dev); 1080e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_info *cmd = NULL; 1081e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_vhcr_cmd *vhcr_cmd = in_vhcr ? in_vhcr : priv->mfunc.vhcr; 1082e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_vhcr *vhcr; 1083e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_mailbox *inbox = NULL; 1084e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_mailbox *outbox = NULL; 1085e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u64 in_param; 1086e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u64 out_param; 1087e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int ret = 0; 1088e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int i; 108972be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin int err = 0; 1090e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1091e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Create sw representation of Virtual HCR */ 1092e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr = kzalloc(sizeof(struct mlx4_vhcr), GFP_KERNEL); 1093e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!vhcr) 1094e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return -ENOMEM; 1095e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1096e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* DMA in the vHCR */ 1097e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!in_vhcr) { 1098e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ret = mlx4_ACCESS_MEM(dev, priv->mfunc.vhcr_dma, slave, 1099e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->mfunc.master.slave_state[slave].vhcr_dma, 1100e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ALIGN(sizeof(struct mlx4_vhcr_cmd), 1101e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_ACCESS_MEM_ALIGN), 1); 1102e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (ret) { 1103e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "%s:Failed reading vhcr" 1104e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "ret: 0x%x\n", __func__, ret); 1105e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin kfree(vhcr); 1106e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return ret; 1107e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1108e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1109e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1110e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Fill SW VHCR fields */ 1111e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_param = be64_to_cpu(vhcr_cmd->in_param); 1112e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->out_param = be64_to_cpu(vhcr_cmd->out_param); 1113e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_modifier = be32_to_cpu(vhcr_cmd->in_modifier); 1114e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->token = be16_to_cpu(vhcr_cmd->token); 1115e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->op = be16_to_cpu(vhcr_cmd->opcode) & 0xfff; 1116e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->op_modifier = (u8) (be16_to_cpu(vhcr_cmd->opcode) >> 12); 1117e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->e_bit = vhcr_cmd->flags & (1 << 6); 1118e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1119e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Lookup command */ 1120e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin for (i = 0; i < ARRAY_SIZE(cmd_info); ++i) { 1121e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (vhcr->op == cmd_info[i].opcode) { 1122e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin cmd = &cmd_info[i]; 1123e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin break; 1124e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1125e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1126e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!cmd) { 1127e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "Unknown command:0x%x accepted from slave:%d\n", 1128e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->op, slave); 112972be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr_cmd->status = CMD_STAT_BAD_PARAM; 1130e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto out_status; 1131e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1132e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1133e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Read inbox */ 1134e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->has_inbox) { 1135e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_param &= INBOX_MASK; 1136e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin inbox = mlx4_alloc_cmd_mailbox(dev); 1137e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (IS_ERR(inbox)) { 113872be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr_cmd->status = CMD_STAT_BAD_SIZE; 1139e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin inbox = NULL; 114072be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin goto out_status; 1141e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1142e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 114372be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin if (mlx4_ACCESS_MEM(dev, inbox->dma, slave, 114472be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr->in_param, 114572be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin MLX4_MAILBOX_SIZE, 1)) { 1146e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "%s: Failed reading inbox (cmd:0x%x)\n", 1147e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin __func__, cmd->opcode); 114872be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr_cmd->status = CMD_STAT_INTERNAL_ERR; 114972be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin goto out_status; 1150e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1151e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1152e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1153e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Apply permission and bound checks if applicable */ 1154e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->verify && cmd->verify(dev, slave, vhcr, inbox)) { 1155e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Command:0x%x from slave: %d failed protection " 1156e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "checks for resource_id:%d\n", vhcr->op, slave, 1157e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_modifier); 115872be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr_cmd->status = CMD_STAT_BAD_OP; 1159e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto out_status; 1160e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1161e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1162e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Allocate outbox */ 1163e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->has_outbox) { 1164e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin outbox = mlx4_alloc_cmd_mailbox(dev); 1165e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (IS_ERR(outbox)) { 116672be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr_cmd->status = CMD_STAT_BAD_SIZE; 1167e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin outbox = NULL; 116872be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin goto out_status; 1169e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1170e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1171e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1172e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Execute the command! */ 1173e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->wrapper) { 117472be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin err = cmd->wrapper(dev, slave, vhcr, inbox, outbox, 117572be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin cmd); 1176e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->out_is_imm) 1177e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr_cmd->out_param = cpu_to_be64(vhcr->out_param); 1178e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } else { 1179e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin in_param = cmd->has_inbox ? (u64) inbox->dma : 1180e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->in_param; 1181e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin out_param = cmd->has_outbox ? (u64) outbox->dma : 1182e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->out_param; 118372be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin err = __mlx4_cmd(dev, in_param, &out_param, 118472be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin cmd->out_is_imm, vhcr->in_modifier, 118572be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr->op_modifier, vhcr->op, 118672be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin MLX4_CMD_TIME_CLASS_A, 118772be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin MLX4_CMD_NATIVE); 1188e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1189e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd->out_is_imm) { 1190e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->out_param = out_param; 1191e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr_cmd->out_param = cpu_to_be64(vhcr->out_param); 1192e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1193e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1194e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 119572be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin if (err) { 119672be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin mlx4_warn(dev, "vhcr command:0x%x slave:%d failed with" 119772be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin " error:%d, status %d\n", 119872be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr->op, slave, vhcr->errno, err); 119972be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin vhcr_cmd->status = mlx4_errno_to_status(err); 120072be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin goto out_status; 120172be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin } 120272be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin 120372be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin 1204e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* Write outbox if command completed successfully */ 120572be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin if (cmd->has_outbox && !vhcr_cmd->status) { 1206e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ret = mlx4_ACCESS_MEM(dev, outbox->dma, slave, 1207e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vhcr->out_param, 1208e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_MAILBOX_SIZE, MLX4_CMD_WRAPPED); 1209e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (ret) { 121072be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin /* If we failed to write back the outbox after the 121172be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin *command was successfully executed, we must fail this 121272be84f1c21c0ddba1081291072d7acc9ccddf5fYevgeny Petrilin * slave, as it is now in undefined state */ 1213e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "%s:Failed writing outbox\n", __func__); 1214e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto out; 1215e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1216e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1217e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1218e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinout_status: 1219e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* DMA back vhcr result */ 1220e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!in_vhcr) { 1221e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ret = mlx4_ACCESS_MEM(dev, priv->mfunc.vhcr_dma, slave, 1222e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->mfunc.master.slave_state[slave].vhcr_dma, 1223e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ALIGN(sizeof(struct mlx4_vhcr), 1224e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_ACCESS_MEM_ALIGN), 1225e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_CMD_WRAPPED); 1226e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (ret) 1227e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "%s:Failed writing vhcr result\n", 1228e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin __func__); 1229e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin else if (vhcr->e_bit && 1230e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_GEN_EQE(dev, slave, &priv->mfunc.master.cmd_eqe)) 1231e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Failed to generate command completion " 1232e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "eqe for slave %d\n", slave); 1233e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1234e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1235e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinout: 1236e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin kfree(vhcr); 1237e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_free_cmd_mailbox(dev, inbox); 1238e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_free_cmd_mailbox(dev, outbox); 1239e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return ret; 1240e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 1241e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1242e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinstatic void mlx4_master_do_cmd(struct mlx4_dev *dev, int slave, u8 cmd, 1243e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u16 param, u8 toggle) 1244e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 1245e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_priv *priv = mlx4_priv(dev); 1246e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; 1247e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 reply; 1248e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 slave_status = 0; 1249e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u8 is_going_down = 0; 1250803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum int i; 1251e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1252e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].comm_toggle ^= 1; 1253e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin reply = (u32) slave_state[slave].comm_toggle << 31; 1254e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (toggle != slave_state[slave].comm_toggle) { 1255e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Incorrect toggle %d from slave %d. *** MASTER" 1256e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "STATE COMPROMISIED ***\n", toggle, slave); 1257e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1258e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1259e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd == MLX4_COMM_CMD_RESET) { 1260e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Received reset from slave:%d\n", slave); 1261e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].active = false; 1262803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum for (i = 0; i < MLX4_EVENT_TYPES_NUM; ++i) { 1263803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum slave_state[slave].event_eq[i].eqn = -1; 1264803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum slave_state[slave].event_eq[i].token = 0; 1265803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum } 1266e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /*check if we are in the middle of FLR process, 1267e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if so return "retry" status to the slave*/ 1268e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (MLX4_COMM_CMD_FLR == slave_state[slave].last_cmd) { 1269e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_status = MLX4_DELAY_RESET_SLAVE; 1270e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto inform_slave_state; 1271e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1272e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1273e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /* write the version in the event field */ 1274e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin reply |= mlx4_comm_get_version(); 1275e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1276e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1277e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1278e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /*command from slave in the middle of FLR*/ 1279e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (cmd != MLX4_COMM_CMD_RESET && 1280e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_COMM_CMD_FLR == slave_state[slave].last_cmd) { 1281e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "slave:%d is Trying to run cmd(0x%x) " 1282e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "in the middle of FLR\n", slave, cmd); 1283e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return; 1284e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1285e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1286e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin switch (cmd) { 1287e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin case MLX4_COMM_CMD_VHCR0: 1288e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (slave_state[slave].last_cmd != MLX4_COMM_CMD_RESET) 1289e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1290e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].vhcr_dma = ((u64) param) << 48; 1291e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->mfunc.master.slave_state[slave].cookie = 0; 1292e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mutex_init(&priv->mfunc.master.gen_eqe_mutex[slave]); 1293e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin break; 1294e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin case MLX4_COMM_CMD_VHCR1: 1295e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR0) 1296e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1297e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].vhcr_dma |= ((u64) param) << 32; 1298e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin break; 1299e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin case MLX4_COMM_CMD_VHCR2: 1300e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR1) 1301e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1302e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].vhcr_dma |= ((u64) param) << 16; 1303e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin break; 1304e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin case MLX4_COMM_CMD_VHCR_EN: 1305e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR2) 1306e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1307e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].vhcr_dma |= param; 1308e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].active = true; 1309e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin break; 1310e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin case MLX4_COMM_CMD_VHCR_POST: 1311e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if ((slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR_EN) && 1312e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR_POST)) 1313e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1314e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin down(&priv->cmd.slave_sem); 1315e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (mlx4_master_process_vhcr(dev, slave, NULL)) { 1316e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "Failed processing vhcr for slave:%d," 13178d9eb069eafce49307f839783e4a4673414b1fd5Masanari Iida " resetting slave.\n", slave); 1318e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin up(&priv->cmd.slave_sem); 1319e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1320e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1321e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin up(&priv->cmd.slave_sem); 1322e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin break; 1323e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin default: 1324e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Bad comm cmd:%d from slave:%d\n", cmd, slave); 1325e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto reset_slave; 1326e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1327e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_lock(&priv->mfunc.master.slave_state_lock); 1328e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!slave_state[slave].is_slave_going_down) 1329e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].last_cmd = cmd; 1330e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin else 1331e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin is_going_down = 1; 1332e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_unlock(&priv->mfunc.master.slave_state_lock); 1333e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (is_going_down) { 1334e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Slave is going down aborting command(%d)" 1335e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin " executing from slave:%d\n", 1336e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin cmd, slave); 1337e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return; 1338e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1339e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin __raw_writel((__force u32) cpu_to_be32(reply), 1340e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin &priv->mfunc.comm[slave].slave_read); 1341e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mmiowb(); 1342e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1343e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return; 1344e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1345e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinreset_slave: 1346c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen /* cleanup any slave resources */ 1347c82e9aa0a8bcf7a1643ccb71678bab57f3cb4bc6Eli Cohen mlx4_delete_all_resources_for_slave(dev, slave); 1348e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_lock(&priv->mfunc.master.slave_state_lock); 1349e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!slave_state[slave].is_slave_going_down) 1350e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave_state[slave].last_cmd = MLX4_COMM_CMD_RESET; 1351e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin spin_unlock(&priv->mfunc.master.slave_state_lock); 1352e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin /*with slave in the middle of flr, no need to clean resources again.*/ 1353e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilininform_slave_state: 1354e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin memset(&slave_state[slave].event_eq, 0, 1355e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin sizeof(struct mlx4_slave_event_eq_info)); 1356e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin __raw_writel((__force u32) cpu_to_be32(reply), 1357e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin &priv->mfunc.comm[slave].slave_read); 1358e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin wmb(); 1359e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 1360e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1361e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin/* master command processing */ 1362e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinvoid mlx4_master_comm_channel(struct work_struct *work) 1363e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 1364e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_mfunc_master_ctx *master = 1365e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin container_of(work, 1366e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_mfunc_master_ctx, 1367e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin comm_work); 1368e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_mfunc *mfunc = 1369e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin container_of(master, struct mlx4_mfunc, master); 1370e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_priv *priv = 1371e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin container_of(mfunc, struct mlx4_priv, mfunc); 1372e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_dev *dev = &priv->dev; 1373e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin __be32 *bit_vec; 1374e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 comm_cmd; 1375e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 vec; 1376e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int i, j, slave; 1377e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int toggle; 1378e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int served = 0; 1379e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int reported = 0; 1380e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin u32 slt; 1381e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1382e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin bit_vec = master->comm_arm_bit_vector; 1383e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin for (i = 0; i < COMM_CHANNEL_BIT_ARRAY_SIZE; i++) { 1384e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin vec = be32_to_cpu(bit_vec[i]); 1385e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin for (j = 0; j < 32; j++) { 1386e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!(vec & (1 << j))) 1387e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin continue; 1388e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ++reported; 1389e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slave = (i * 32) + j; 1390e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin comm_cmd = swab32(readl( 1391e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin &mfunc->comm[slave].slave_write)); 1392e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slt = swab32(readl(&mfunc->comm[slave].slave_read)) 1393e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin >> 31; 1394e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin toggle = comm_cmd >> 31; 1395e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (toggle != slt) { 1396e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (master->slave_state[slave].comm_toggle 1397e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin != slt) { 1398e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin printk(KERN_INFO "slave %d out of sync." 1399e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin " read toggle %d, state toggle %d. " 1400e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin "Resynching.\n", slave, slt, 1401e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin master->slave_state[slave].comm_toggle); 1402e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin master->slave_state[slave].comm_toggle = 1403e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin slt; 1404e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1405e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_master_do_cmd(dev, slave, 1406e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin comm_cmd >> 16 & 0xff, 1407e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin comm_cmd & 0xffff, toggle); 1408e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin ++served; 1409e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1410e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1411e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1412e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1413e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (reported && reported != served) 1414e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Got command event with bitmask from %d slaves" 1415e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin " but %d were served\n", 1416e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin reported, served); 1417e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1418e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (mlx4_ARM_COMM_CHANNEL(dev)) 1419e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_warn(dev, "Failed to arm comm channel events\n"); 1420e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 1421e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1422ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinstatic int sync_toggles(struct mlx4_dev *dev) 1423ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein{ 1424ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein struct mlx4_priv *priv = mlx4_priv(dev); 1425ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein int wr_toggle; 1426ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein int rd_toggle; 1427ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein unsigned long end; 1428ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1429ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein wr_toggle = swab32(readl(&priv->mfunc.comm->slave_write)) >> 31; 1430ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein end = jiffies + msecs_to_jiffies(5000); 1431ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1432ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein while (time_before(jiffies, end)) { 1433ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein rd_toggle = swab32(readl(&priv->mfunc.comm->slave_read)) >> 31; 1434ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (rd_toggle == wr_toggle) { 1435ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->cmd.comm_toggle = rd_toggle; 1436ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein return 0; 1437ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1438ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1439ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein cond_resched(); 1440ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1441ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1442ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein /* 1443ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein * we could reach here if for example the previous VM using this 1444ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein * function misbehaved and left the channel with unsynced state. We 1445ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein * should fix this here and give this VM a chance to use a properly 1446ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein * synced channel 1447ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein */ 1448ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_warn(dev, "recovering from previously mis-behaved VM\n"); 1449ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein __raw_writel((__force u32) 0, &priv->mfunc.comm->slave_read); 1450ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein __raw_writel((__force u32) 0, &priv->mfunc.comm->slave_write); 1451ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->cmd.comm_toggle = 0; 1452ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1453ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein return 0; 1454ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein} 1455ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1456ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinint mlx4_multi_func_init(struct mlx4_dev *dev) 1457ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein{ 1458ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein struct mlx4_priv *priv = mlx4_priv(dev); 1459ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein struct mlx4_slave_state *s_state; 1460803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum int i, j, err, port; 1461ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1462ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.vhcr = dma_alloc_coherent(&(dev->pdev->dev), PAGE_SIZE, 1463ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein &priv->mfunc.vhcr_dma, 1464ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein GFP_KERNEL); 1465ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (!priv->mfunc.vhcr) { 1466ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_err(dev, "Couldn't allocate vhcr.\n"); 1467ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein return -ENOMEM; 1468ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1469ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1470ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (mlx4_is_master(dev)) 1471ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.comm = 1472ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein ioremap(pci_resource_start(dev->pdev, priv->fw.comm_bar) + 1473ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->fw.comm_base, MLX4_COMM_PAGESIZE); 1474ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein else 1475ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.comm = 1476ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein ioremap(pci_resource_start(dev->pdev, 2) + 1477ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein MLX4_SLAVE_COMM_BASE, MLX4_COMM_PAGESIZE); 1478ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (!priv->mfunc.comm) { 1479ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_err(dev, "Couldn't map communication vector.\n"); 1480ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein goto err_vhcr; 1481ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1482ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1483ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (mlx4_is_master(dev)) { 1484ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.master.slave_state = 1485ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein kzalloc(dev->num_slaves * 1486ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein sizeof(struct mlx4_slave_state), GFP_KERNEL); 1487ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (!priv->mfunc.master.slave_state) 1488ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein goto err_comm; 1489ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1490ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein for (i = 0; i < dev->num_slaves; ++i) { 1491ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein s_state = &priv->mfunc.master.slave_state[i]; 1492ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein s_state->last_cmd = MLX4_COMM_CMD_RESET; 1493803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum for (j = 0; j < MLX4_EVENT_TYPES_NUM; ++j) 1494803143fbda719106017309d551d082e4b4e7c8c3Marcel Apfelbaum s_state->event_eq[j].eqn = -1; 1495ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein __raw_writel((__force u32) 0, 1496ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein &priv->mfunc.comm[i].slave_write); 1497ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein __raw_writel((__force u32) 0, 1498ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein &priv->mfunc.comm[i].slave_read); 1499ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mmiowb(); 1500ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein for (port = 1; port <= MLX4_MAX_PORTS; port++) { 1501ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein s_state->vlan_filter[port] = 1502ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein kzalloc(sizeof(struct mlx4_vlan_fltr), 1503ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein GFP_KERNEL); 1504ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (!s_state->vlan_filter[port]) { 1505ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (--port) 1506ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein kfree(s_state->vlan_filter[port]); 1507ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein goto err_slaves; 1508ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1509ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein INIT_LIST_HEAD(&s_state->mcast_filters[port]); 1510ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1511ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein spin_lock_init(&s_state->lock); 1512ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1513ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1514ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein memset(&priv->mfunc.master.cmd_eqe, 0, sizeof(struct mlx4_eqe)); 1515ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.master.cmd_eqe.type = MLX4_EVENT_TYPE_CMD; 1516ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein INIT_WORK(&priv->mfunc.master.comm_work, 1517ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_master_comm_channel); 1518ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein INIT_WORK(&priv->mfunc.master.slave_event_work, 1519ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_gen_slave_eqe); 1520ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein INIT_WORK(&priv->mfunc.master.slave_flr_event_work, 1521ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_master_handle_slave_flr); 1522ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein spin_lock_init(&priv->mfunc.master.slave_state_lock); 1523ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.master.comm_wq = 1524ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein create_singlethread_workqueue("mlx4_comm"); 1525ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (!priv->mfunc.master.comm_wq) 1526ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein goto err_slaves; 1527ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1528ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (mlx4_init_resource_tracker(dev)) 1529ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein goto err_thread; 1530ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1531ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein sema_init(&priv->cmd.slave_sem, 1); 1532ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein err = mlx4_ARM_COMM_CHANNEL(dev); 1533ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (err) { 1534ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_err(dev, " Failed to arm comm channel eq: %x\n", 1535ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein err); 1536ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein goto err_resource; 1537ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1538ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1539ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } else { 1540ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein err = sync_toggles(dev); 1541ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (err) { 1542ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_err(dev, "Couldn't sync toggles\n"); 1543ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein goto err_comm; 1544ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1545ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1546ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein sema_init(&priv->cmd.slave_sem, 1); 1547ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1548ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein return 0; 1549ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1550ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinerr_resource: 1551ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein mlx4_free_resource_tracker(dev); 1552ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinerr_thread: 1553ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein flush_workqueue(priv->mfunc.master.comm_wq); 1554ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein destroy_workqueue(priv->mfunc.master.comm_wq); 1555ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinerr_slaves: 1556ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein while (--i) { 1557ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein for (port = 1; port <= MLX4_MAX_PORTS; port++) 1558ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]); 1559ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1560ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein kfree(priv->mfunc.master.slave_state); 1561ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinerr_comm: 1562ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein iounmap(priv->mfunc.comm); 1563ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinerr_vhcr: 1564ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE, 1565ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.vhcr, 1566ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.vhcr_dma); 1567ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.vhcr = NULL; 1568ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein return -ENOMEM; 1569ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein} 1570ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1571225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierint mlx4_cmd_init(struct mlx4_dev *dev) 1572225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 1573225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_priv *priv = mlx4_priv(dev); 1574225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1575225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier mutex_init(&priv->cmd.hcr_mutex); 1576225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier sema_init(&priv->cmd.poll_sem, 1); 1577225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.use_events = 0; 1578225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.toggle = 1; 1579225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1580e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->cmd.hcr = NULL; 1581e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->mfunc.vhcr = NULL; 1582e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1583e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!mlx4_is_slave(dev)) { 1584e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->cmd.hcr = ioremap(pci_resource_start(dev->pdev, 0) + 1585e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin MLX4_HCR_BASE, MLX4_HCR_SIZE); 1586e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!priv->cmd.hcr) { 1587e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin mlx4_err(dev, "Couldn't map command register.\n"); 1588e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return -ENOMEM; 1589e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin } 1590225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier } 1591225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1592225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.pool = pci_pool_create("mlx4_cmd", dev->pdev, 1593225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier MLX4_MAILBOX_SIZE, 1594225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier MLX4_MAILBOX_SIZE, 0); 1595e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!priv->cmd.pool) 1596e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin goto err_hcr; 1597225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1598225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return 0; 1599e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1600e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinerr_hcr: 1601e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!mlx4_is_slave(dev)) 1602e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin iounmap(priv->cmd.hcr); 1603e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return -ENOMEM; 1604225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 1605225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1606ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgensteinvoid mlx4_multi_func_cleanup(struct mlx4_dev *dev) 1607ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein{ 1608ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein struct mlx4_priv *priv = mlx4_priv(dev); 1609ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein int i, port; 1610ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1611ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein if (mlx4_is_master(dev)) { 1612ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein flush_workqueue(priv->mfunc.master.comm_wq); 1613ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein destroy_workqueue(priv->mfunc.master.comm_wq); 1614ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein for (i = 0; i < dev->num_slaves; i++) { 1615ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein for (port = 1; port <= MLX4_MAX_PORTS; port++) 1616ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]); 1617ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1618ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein kfree(priv->mfunc.master.slave_state); 1619ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein iounmap(priv->mfunc.comm); 1620ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE, 1621ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.vhcr, 1622ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.vhcr_dma); 1623ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein priv->mfunc.vhcr = NULL; 1624ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein } 1625ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein} 1626ab9c17a009ee8eb8c667f22dc0be0709effceab9Jack Morgenstein 1627225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreiervoid mlx4_cmd_cleanup(struct mlx4_dev *dev) 1628225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 1629225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_priv *priv = mlx4_priv(dev); 1630225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1631225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier pci_pool_destroy(priv->cmd.pool); 1632e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1633e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin if (!mlx4_is_slave(dev)) 1634e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin iounmap(priv->cmd.hcr); 1635225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 1636225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1637225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier/* 1638225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * Switch to using events to issue FW commands (can only be called 1639225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * after event queue for command events has been initialized). 1640225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier */ 1641225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierint mlx4_cmd_use_events(struct mlx4_dev *dev) 1642225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 1643225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_priv *priv = mlx4_priv(dev); 1644225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int i; 1645e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin int err = 0; 1646225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1647225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.context = kmalloc(priv->cmd.max_cmds * 1648225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier sizeof (struct mlx4_cmd_context), 1649225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier GFP_KERNEL); 1650225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (!priv->cmd.context) 1651225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return -ENOMEM; 1652225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1653225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier for (i = 0; i < priv->cmd.max_cmds; ++i) { 1654225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.context[i].token = i; 1655225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.context[i].next = i + 1; 1656225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier } 1657225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1658225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.context[priv->cmd.max_cmds - 1].next = -1; 1659225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.free_head = 0; 1660225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1661225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier sema_init(&priv->cmd.event_sem, priv->cmd.max_cmds); 1662225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier spin_lock_init(&priv->cmd.context_lock); 1663225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1664225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier for (priv->cmd.token_mask = 1; 1665225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.token_mask < priv->cmd.max_cmds; 1666225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.token_mask <<= 1) 1667225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier ; /* nothing */ 1668225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier --priv->cmd.token_mask; 1669225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1670225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier down(&priv->cmd.poll_sem); 1671e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin priv->cmd.use_events = 1; 1672225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1673e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return err; 1674225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 1675225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1676225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier/* 1677225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier * Switch back to polling (used when shutting down the device) 1678225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier */ 1679225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreiervoid mlx4_cmd_use_polling(struct mlx4_dev *dev) 1680225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 1681225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_priv *priv = mlx4_priv(dev); 1682225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier int i; 1683225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1684225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier priv->cmd.use_events = 0; 1685225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1686225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier for (i = 0; i < priv->cmd.max_cmds; ++i) 1687225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier down(&priv->cmd.event_sem); 1688225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1689225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier kfree(priv->cmd.context); 1690225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1691225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier up(&priv->cmd.poll_sem); 1692225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 1693225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1694225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreierstruct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev) 1695225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 1696225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier struct mlx4_cmd_mailbox *mailbox; 1697225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1698225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier mailbox = kmalloc(sizeof *mailbox, GFP_KERNEL); 1699225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (!mailbox) 1700225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return ERR_PTR(-ENOMEM); 1701225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1702225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier mailbox->buf = pci_pool_alloc(mlx4_priv(dev)->cmd.pool, GFP_KERNEL, 1703225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier &mailbox->dma); 1704225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (!mailbox->buf) { 1705225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier kfree(mailbox); 1706225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return ERR_PTR(-ENOMEM); 1707225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier } 1708225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1709225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return mailbox; 1710225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 1711225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland DreierEXPORT_SYMBOL_GPL(mlx4_alloc_cmd_mailbox); 1712225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1713e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinvoid mlx4_free_cmd_mailbox(struct mlx4_dev *dev, 1714e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin struct mlx4_cmd_mailbox *mailbox) 1715225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier{ 1716225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier if (!mailbox) 1717225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier return; 1718225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier 1719225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier pci_pool_free(mlx4_priv(dev)->cmd.pool, mailbox->buf, mailbox->dma); 1720225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier kfree(mailbox); 1721225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland Dreier} 1722225c7b1feef1b41170f7037a5b10a65cd8a42c54Roland DreierEXPORT_SYMBOL_GPL(mlx4_free_cmd_mailbox); 1723e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin 1724e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilinu32 mlx4_comm_get_version(void) 1725e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin{ 1726e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin return ((u32) CMD_CHAN_IF_REV << 8) | (u32) CMD_CHAN_VER; 1727e8f081aacdbf4740da46d0f4b602620dc2ec1a76Yevgeny Petrilin} 1728