PSARC 2011/291 EOL Tavor IB HCA driver
7067688 remove libmthca - the tavor adapter is being EOL'd
/*
* Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */
/*
* OFED Solaris wrapper
*/
#if defined(__SVR4) && defined(__sun)
#include <stdarg.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/processor.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <sys/param.h>
#include <sys/ib/adapters/hermon/hermon_ioctl.h>
#include <sys/ib/adapters/tavor/tavor_ioctl.h>
#include <alloca.h>
#include "../include/infiniband/arch.h"
#include "../include/infiniband/verbs.h"
#include <errno.h>
#include <pthread.h>
#include <kstat.h>
/*
* The followings will be removed when sol_uverbs_ioctl.h and sol_umad_ioctl.h
* are delivered through ON.
*/
#define UVERBS_IOCTL ('v' << 8)
#define IB_USER_VERBS_SOLARIS_ABI_VERSION 1
typedef enum {
UVERBS_IOCTL_GET_HCA_INFO = UVERBS_IOCTL | 0x01
} uverbs_ioctl_enum_t;
typedef struct sol_uverbs_hca_info_s {
char uverbs_hca_psid_string[MAXNAMELEN];
char uverbs_hca_ibdev_name[MAXNAMELEN];
char uverbs_hca_driver_name[MAXNAMELEN];
uint32_t uverbs_hca_driver_instance;
uint32_t uverbs_hca_vendorid;
uint16_t uverbs_hca_deviceid;
uint8_t uverbs_hca_devidx;
uint8_t uverbs_hca_pad1[5];
} sol_uverbs_hca_info_t;
typedef struct sol_uverbs_info_s {
int32_t uverbs_abi_version;
int32_t uverbs_solaris_abi_version;
int16_t uverbs_hca_cnt;
int8_t uverbs_pad1[6]; /* Padding for alignment */
sol_uverbs_hca_info_t uverbs_hca_info[];
} sol_uverbs_info_t;
#define UMAD_IOCTL ('m' << 8)
#define IB_USER_MAD_SOLARIS_ABI_VERSION 1
typedef enum {
IB_USER_MAD_GET_PORT_INFO = UMAD_IOCTL | 0x01
} umad_ioctl_enum_t;
typedef struct sol_umad_ioctl_port_info_s {
char umad_port_ibdev_name[MAXNAMELEN];
uint32_t umad_port_num;
uint16_t umad_port_idx;
uint8_t umad_port_pad1[2];
} sol_umad_ioctl_port_info_t;
typedef struct sol_umad_ioctl_info_s {
int32_t umad_abi_version;
int32_t umad_solaris_abi_version;
int16_t umad_port_cnt;
int8_t umad_pad1[6]; /* alignment padding */
sol_umad_ioctl_port_info_t umad_port_info[];
} sol_umad_ioctl_info_t;
/* end of sol_uverbs_ioctl.h and sol_umad_ioctl.h contents */
/*
* duplicate ABI definitions for HCAs as the HCA abi headers are not
* installed in proto.
*/
#define MLX4_UVERBS_MAX_ABI_VERSION 3 /* mlx4-abi.h */
#define RDMA_USER_CM_MIN_ABI_VERSION 3 /* rdma_cma_abi.h */
#define RDMA_USER_CM_MAX_ABI_VERSION 4 /* rdma_cma_abi.h */
#define MLX4 0
#define MAX_HCAS 16
#define MAX_HCA_PORTS 16
#define HW_DRIVER_MAX_NAME_LEN 20
#define UVERBS_KERNEL_SYSFS_NAME_BASE "uverbs"
#define UMAD_KERNEL_SYSFS_NAME_BASE "umad"
#define IB_HCA_DEVPATH_PREFIX "/dev/infiniband/hca"
#define IB_OFS_DEVPATH_PREFIX "/dev/infiniband/ofs"
#define CONNECTX_NAME "mlx4_"
#define MELLANOX_VENDOR_ID 0x15b3
#define PCI_DEVICE_ID_MELLANOX_HERMON_SDR 0x6340
#define PCI_DEVICE_ID_MELLANOX_HERMON_DDR 0x634a
#define PCI_DEVICE_ID_MELLANOX_HERMON_QDR 0x6354
#define PCI_DEVICE_ID_MELLANOX_HERMON_DDR_PCIE2 0x6732
#define PCI_DEVICE_ID_MELLANOX_HERMON_QDR_PCIE2 0x673c
#define INFINIHOST_DEVICE_ID_2 0x5a45
#define INFINIHOST_DEVICE_ID_4 0x6279
/*
* sol_uverbs_drv_status is the status of what libibverbs knows
* about the status of sol_uverbs driver.
*/
#define SOL_UVERBS_DRV_STATUS_UNKNOWN 0x0
#define SOL_UVERBS_DRV_STATUS_LOADED 0x1
#define SOL_UVERBS_DRV_STATUS_UNLOADED 0x02
static kstat_ctl_t *kc = NULL; /* libkstat cookie */
static int sol_uverbs_drv_status = SOL_UVERBS_DRV_STATUS_UNKNOWN;
static int sol_uverbs_minor_dev = -1;
/*
* check_path() prefixs
*/
typedef enum cp_prefix_e {
CP_SOL_UVERBS = 1,
CP_DEVICE = 2,
CP_D = 3,
CP_GIDS = 4,
CP_PKEYS = 5,
CP_MLX4 = 6,
CP_PORTS = 7,
CP_UMAD = 8,
CP_SLASH = 9,
CP_SYS = 10,
CP_CLASS = 11,
CP_INFINIBAND_VERBS = 12,
CP_INFINIBAND = 13,
CP_INFINIBAND_MAD = 14,
CP_MISC = 15,
CP_RDMA_CM = 16
} cp_prefix_t;
/*
* Some temporary cache code, until things are cleaned up as part of DR
* work. This will speed up the sysfs emulation.
*/
typedef struct ibdev_cache_info_s {
uint_t ibd_valid;
uint_t ibd_hw_rev;
char ibd_node_guid_str[20];
char ibd_sys_image_guid[20];
char ibd_fw_ver[16];
char ibd_name[8];
int ibd_boardid_index;
} ibdev_cache_info_t;
/* hermon - hence 2 */
static ibdev_cache_info_t ibdev_cache[2][MAX_HCAS];
typedef struct uverbs_cache_info_s {
uint_t uvc_valid;
uint_t uvc_ibdev_abi_version;
uint_t uvc_vendor_id;
uint_t uvc_device_id;
int uvc_hca_instance;
char uvc_ibdev_name[8];
char uvc_ibdev_hca_path[MAXPATHLEN];
} uverbs_cache_info_t;
static uverbs_cache_info_t uverbs_dev_cache[MAX_HCAS];
static int uverbs_abi_version = -1;
typedef struct umad_cache_info_s {
uint_t umc_valid;
int umc_port;
char umc_ib_dev[16];
} umad_cache_info_t;
static umad_cache_info_t umad_dev_cache[MAX_HCAS * MAX_HCA_PORTS];
static int umad_abi_version = -1;
/*
* Structure to hold the part number & PSID for an HCA card
* This is a sub-set of the file :
* /ws/onnv-clone/usr/src/cmd/fwflash/plugins/hdrs/MELLANOX.h
*/
typedef struct mlx_mdr_s {
char *mlx_pn;
char *mlx_psid;
} mlx_mdr_t;
/*
* Magic decoder ring for matching HCA hardware/firmware.
* Part Number / PSID / String ID
*/
mlx_mdr_t mlx_mdr[] = {
/* For failure case, use unknown as "board-id" */
{ "unknown", "unknown" },
/* Part No PSID */
{ "375-3605-01", "SUN0160000001" },
{ "375-3382-01", "SUN0030000001" },
{ "375-3481-01", "SUN0040000001" },
{ "375-3418-01", "SUN0040000001" },
{ "375-3259-01", "SUN0010000001" },
{ "375-3259-03", "SUN0010000001" },
{ "X1289A-Z", "SUN0010010001" },
{ "375-3548-01", "SUN0060000001" },
{ "375-3549-01", "SUN0070000001" },
{ "375-3549-01", "SUN0070130001" },
{ "375-3481-01", "SUN0050000001" },
{ "375-3439-01", "SUN0051000001" },
{ "375-3260-03", "SUN0020000001" },
{ "375-3605-01", "SUN0160000002" },
{ "375-3697-01", "SUN0160000002" },
{ "375-3606-01", "SUN0150000001" },
{ "375-3606-02", "SUN0150000009" },
{ "375-3606-03", "SUN0150000009" },
{ "375-3606-02", "SUN0170000009" },
{ "375-3696-01", "SUN0170000009" },
{ "375-3551-05", "SUN0080000001" },
{ "MHEA28-XS", "MT_0250000001" },
{ "MHEA28-XSC", "MT_0390110001" },
{ "MHEA28-XT", "MT_0150000001" },
{ "MHEA28-XTC", "MT_0370110001" },
{ "MHGA28-XT", "MT_0150000002" },
{ "MHGA28-XTC", "MT_0370110002" },
{ "MHGA28-XTC", "MT_0370130002" },
{ "MHGA28-XS", "MT_0250000002" },
{ "MHGA28-XSC", "MT_0390110002" },
{ "MHGA28-XSC", "MT_0390130002" },
{ "MHEL-CF128", "MT_0190000001" },
{ "MHEL-CF128-T", "MT_00A0000001" },
{ "MTLP25208-CF128T", "MT_00A0000001" },
{ "MHEL-CF128-TC", "MT_00A0010001" },
{ "MHEL-CF128-TC", "MT_0140010001" },
{ "MHEL-CF128-SC", "MT_0190010001" },
{ "MHEA28-1TC", "MT_02F0110001" },
{ "MHEA28-1SC", "MT_0330110001" },
{ "MHGA28-1T", "MT_0200000001" },
{ "MHGA28-1TC", "MT_02F0110002" },
{ "MHGA28-1SC", "MT_0330110002" },
{ "MHGA28-1S", "MT_0430000001" },
{ "MHEL-CF256-T", "MT_00B0000001" },
{ "MTLP25208-CF256T", "MT_00B0000001" },
{ "MHEL-CF256-TC", "MT_00B0010001" },
{ "MHEA28-2TC", "MT_0300110001" },
{ "MHEA28-2SC", "MT_0340110001" },
{ "MHGA28-2T", "MT_0210000001" },
{ "MHGA28-2TC", "MT_0300110002" },
{ "MHGA28-2SC", "MT_0340110002" },
{ "MHEL-CF512-T", "MT_00C0000001" },
{ "MTLP25208-CF512T", "MT_00C0000001" },
{ "MHGA28-5T", "MT_0220000001" },
{ "MHES14-XSC", "MT_0410110001" },
{ "MHES14-XT", "MT_01F0000001" },
{ "MHES14-XTC", "MT_03F0110001" },
{ "MHES18-XS", "MT_0260000001" },
{ "MHES18-XS", "MT_0260010001" },
{ "MHES18-XSC", "MT_03D0110001" },
{ "MHES18-XSC", "MT_03D0120001" },
{ "MHES18-XSC", "MT_03D0130001" },
{ "MHES18-XT", "MT_0230000002" },
{ "MHES18-XT", "MT_0230010002" },
{ "MHES18-XTC", "MT_03B0110001" },
{ "MHES18-XTC", "MT_03B0120001" },
{ "MHES18-XTC", "MT_03B0140001" },
{ "MHGS18-XS", "MT_0260000002" },
{ "MHGS18-XSC", "MT_03D0110002" },
{ "MHGS18-XSC", "MT_03D0120002" },
{ "MHGS18-XSC", "MT_03D0130002" },
{ "MHGS18-XT", "MT_0230000001" },
{ "MHGS18-XTC", "MT_03B0110002" },
{ "MHGS18-XTC", "MT_03B0120002" },
{ "MHGS18-XTC", "MT_03B0140002" },
{ "MHXL-CF128", "MT_0180000001" },
{ "MHXL-CF128-T", "MT_0030000001" },
{ "MTLP23108-CF128T", "MT_0030000001" },
{ "MHET2X-1SC", "MT_0280110001" },
{ "MHET2X-1SC", "MT_0280120001" },
{ "MHET2X-1TC", "MT_0270110001" },
{ "MHET2X-1TC", "MT_0270120001" },
{ "MHXL-CF256-T", "MT_0040000001" },
{ "MHET2X-2SC", "MT_02D0110001" },
{ "MHET2X-2SC", "MT_02D0120001" },
{ "MHET2X-2TC", "MT_02B0110001" },
{ "MHET2X-2TC", "MT_02B0120001" },
{ "MHX-CE128-T", "MT_0000000001" },
{ "MTPB23108-CE128", "MT_0000000001" },
{ "MHX-CE256-T", "MT_0010000001" },
{ "MTPB23108-CE256", "MT_0010000001" },
{ "MHX-CE512-T", "MT_0050000001" },
{ "MTPB23108-CE512", "MT_0050000001" },
{ "MHEH28-XSC", "MT_04C0110001" },
{ "MHEH28-XSC", "MT_04C0130005" },
{ "MHEH28-XTC", "MT_04A0110001" },
{ "MHEH28-XTC", "MT_04A0130005" },
{ "MHGH28-XSC", "MT_04C0110002" },
{ "MHGH28-XSC", "MT_04C0120002" },
{ "MHGH28-XSC", "MT_04C0140005" },
{ "MHGH28-XTC", "MT_04A0110002" },
{ "MHGH28-XTC", "MT_04A0120002" },
{ "MHGH28-XTC", "MT_04A0140005" },
{ "MHGH29-XSC", "MT_0A60110002" },
{ "MHGH29-XSC", "MT_0A60120005" },
{ "MHGH29-XTC", "MT_0A50110002" },
{ "MHGH29-XTC", "MT_0A50120005" },
{ "MHJH29-XTC", "MT_04E0110003" },
{ "MHJH29-XSC", "MT_0500120005" },
{ "MHQH29-XTC", "MT_04E0120005" },
{ "MHQH19-XTC", "MT_0C40110009" },
{ "MHQH29-XTC", "MT_0BB0110003" },
{ "MHQH29-XTC", "MT_0BB0120003" },
{ "MHEH28B-XSR", "MT_0D10110001" },
{ "MHEH28B-XTR", "MT_0D20110001" },
{ "MHGH28B-XSR", "MT_0D10110002" },
{ "MHGH28B-XTR", "MT_0D20110002" },
{ "MHGH18B-XTR", "MT_0D30110002" },
{ "MNEH28B-XSR", "MT_0D40110004" },
{ "MNEH28B-XTR", "MT_0D50110004" },
{ "MNEH29B-XSR", "MT_0D40110010" },
{ "MNEH29B-XTR", "MT_0D50110010" },
{ "MHGH29B-XSR", "MT_0D10110008" },
{ "MHGH29B-XTR", "MT_0D20110008" },
{ "MHJH29B-XSR", "MT_0D10110009" },
{ "MHJH29B-XSR", "MT_0D10120009" },
{ "MHJH29B-XTR", "MT_0D20110009" },
{ "MHJH29B-XTR", "MT_0D20120009" },
{ "MHGH19B-XSR", "MT_0D60110008" },
{ "MHGH19B-XTR", "MT_0D30110008" },
{ "MHJH19B-XTR", "MT_0D30110009" },
{ "MHQH29B-XSR", "MT_0D70110009" },
{ "MHQH29B-XTR", "MT_0D80110009" },
{ "MHQH29B-XTR", "MT_0D80120009" },
{ "MHQH29B-XTR", "MT_0D80130009" },
{ "MHQH29B-XTR", "MT_0E30110009" },
{ "MHRH29B-XSR", "MT_0D70110008" },
{ "MHRH29B-XTR", "MT_0D80110008" },
{ "MHQH19B-XTR", "MT_0D90110009" },
{ "MHRH19B-XSR", "MT_0E40110009" },
{ "MHRH19B-XTR", "MT_0D90110008" },
{ "MNPH28C-XSR", "MT_0DA0110004" },
{ "MNPH28C-XTR", "MT_0DB0110004" },
{ "MNPH29C-XSR", "MT_0DA0110010" },
{ "MNPH29C-XTR", "MT_0DB0110010" },
{ "MNPH29C-XTR", "MT_0DB0120010" },
{ "MNPH29C-XTR", "MT_0DB0130010" },
{ "MNZH29-XSR", "MT_0DC0110009" },
{ "MNZH29-XTR", "MT_0DD0110009" },
{ "MNZH29-XTR", "MT_0DD0120009" },
{ "MHQH19B-XNR", "MT_0DF0110009" },
{ "MHQH19B-XNR", "MT_0DF0120009" },
{ "MNQH19-XTR", "MT_0D80110017" },
{ "MNQH19C-XTR", "MT_0E20110017" },
{ "MHZH29B-XSR", "MT_0E80110009" },
{ "MHZH29B-XTR", "MT_0E90110009" },
{ "MHZH29B-XTR", "MT_0E90110009" },
{ "MHQA19-XTR", "MT_0EA0110009" },
{ "MHRA19-XTR", "MT_0EB0110008" },
{ "MHQH29C-XTR", "MT_0EF0110009" },
{ "MHQH29C-XSR", "MT_0F00110009" },
{ "MHRH29C-XTR", "MT_0F10110008" },
{ "MHRH29C-XSR", "MT_0F20110008" },
{ "MHPH29D-XTR", "MT_0F30110010" },
{ "MHPH29D-XSR", "MT_0F40110010" },
{ "MNPA19-XTR", "MT_0F60110010" },
{ "MNPA19-XSR", "MT_0F70110010" },
/* Ethernet cards */
{ "MNEH28B-XTR", "MT_0D50110004" },
{ "MNEH29B-XSR", "MT_0D40110010" },
{ "MNEH29B-XTR", "MT_0D50110010" },
{ "MNPH28C-XSR", "MT_0DA0110004" },
{ "MNPH28C-XTR", "MT_0DB0110004" },
{ "MNPH29C-XSR", "MT_0DA0110010" },
{ "MNPH29C-XTR", "MT_0DB0110010" },
{ "X6275 M2 10GbE", "X6275M2_10G" }
};
/* Get mlx_mdr[] array size */
#define MLX_SZ_MLX_MDR sizeof (mlx_mdr)
#define MLX_SZ_MLX_MDR_STRUCT sizeof (mlx_mdr[0])
#define MLX_MAX_ID (MLX_SZ_MLX_MDR / MLX_SZ_MLX_MDR_STRUCT)
pthread_once_t oneTimeInit = PTHREAD_ONCE_INIT;
static int umad_cache_cnt = 0;
static int ibdev_cache_cnt = 0;
static int uverbs_cache_cnt = 0;
static boolean_t initialized = B_FALSE;
static boolean_t umad_cache_initialized = B_FALSE;
static boolean_t ibdev_cache_initialized = B_FALSE;
static boolean_t uverbs_cache_initialized = B_FALSE;
static pthread_mutex_t umad_cache_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t ibdev_cache_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t uverbs_cache_mutex = PTHREAD_MUTEX_INITIALIZER;
void __attribute__((constructor))solaris_init(void);
void __attribute__((destructor))solaris_fini(void);
void
solaris_init(void)
{
while ((kc = kstat_open()) == NULL) {
if (errno == EAGAIN)
(void) poll(NULL, 0, 200);
else
fprintf(stderr, "cannot open /dev/kstat: %s\n",
strerror(errno));
}
}
void
solaris_fini(void)
{
(void) kstat_close(kc);
}
static int
umad_cache_add(uint_t dev_num, int port, char *ibdev)
{
if ((dev_num >= (MAX_HCAS * MAX_HCA_PORTS)) ||
(umad_cache_cnt >= (MAX_HCAS * MAX_HCA_PORTS))) {
fprintf(stderr, "dev %d: exceeds umad cache size\n", dev_num);
return (1);
}
umad_dev_cache[dev_num].umc_port = port;
strcpy(umad_dev_cache[dev_num].umc_ib_dev, ibdev);
umad_dev_cache[dev_num].umc_valid = 1;
umad_cache_cnt++;
return (0);
}
static int
ibdev_cache_add(uint_t dev_num, ibdev_cache_info_t *info_p)
{
if ((dev_num >= MAX_HCAS) || (ibdev_cache_cnt >= (MAX_HCAS * 2))) {
fprintf(stderr, "dev %d: exceeds hca cache size\n", dev_num);
return (1);
}
if (!(strncmp(info_p->ibd_name, "mlx4", 4))) {
memcpy(&(ibdev_cache[MLX4][dev_num]), info_p,
sizeof (ibdev_cache_info_t));
ibdev_cache[MLX4][dev_num].ibd_valid = 1;
} else {
fprintf(stderr, "dev %d: has no proper ibdev name\n", dev_num);
return (1);
}
ibdev_cache_cnt++;
return (0);
}
static int
uverbs_cache_add(uint_t dev_num, uverbs_cache_info_t *info_p)
{
if ((dev_num >= MAX_HCAS) || (uverbs_cache_cnt >= MAX_HCAS)) {
fprintf(stderr, "dev %d: exceeds uverbs cache size\n", dev_num);
return (1);
}
memcpy(&(uverbs_dev_cache[dev_num]), info_p,
sizeof (uverbs_cache_info_t));
uverbs_dev_cache[dev_num].uvc_valid = 1;
uverbs_cache_cnt++;
return (0);
}
static int
ibdev_cache_init()
{
ibdev_cache_info_t info;
struct ibv_device **root_dev_list, **dev_list = NULL;
struct ibv_context *ctx = NULL;
struct ibv_device_attr device_attr;
int i, num_dev, dev_num, ret = 1;
uint64_t guid;
const char *p, *ibdev;
root_dev_list = dev_list = ibv_get_device_list(&num_dev);
if (!dev_list) {
fprintf(stderr, "No HCA devices found");
goto error_exit1;
}
for (i = 0; i < num_dev; i++, dev_list++) {
if (!(ctx = ibv_open_device(*dev_list))) {
fprintf(stderr, "failed to open device %p\n",
*dev_list);
goto error_exit2;
}
if (ibv_query_device(ctx, &device_attr)) {
fprintf(stderr, "failed to query device %p\n", ctx);
goto error_exit3;
}
guid = ntohll(device_attr.node_guid);
sprintf(info.ibd_node_guid_str, "%04x:%04x:%04x:%04x",
(unsigned)(guid >> 48) & 0xffff,
(unsigned)(guid >> 32) & 0xffff,
(unsigned)(guid >> 16) & 0xffff,
(unsigned)(guid >> 0) & 0xffff);
guid = ntohll(device_attr.sys_image_guid);
sprintf(info.ibd_sys_image_guid, "%04x:%04x:%04x:%04x",
(unsigned)(guid >> 48) & 0xffff,
(unsigned)(guid >> 32) & 0xffff,
(unsigned)(guid >> 16) & 0xffff,
(unsigned)(guid >> 0) & 0xffff);
(void) strcpy(info.ibd_fw_ver, device_attr.fw_ver);
info.ibd_hw_rev = device_attr.hw_ver;
ibdev = ibv_get_device_name(*dev_list);
p = ibdev + (strlen(ibdev)-1);
dev_num = atoi(p);
(void) strcpy(info.ibd_name, ibdev);
info.ibd_boardid_index = -1;
if (ibdev_cache_add(dev_num, &info)) {
fprintf(stderr, "failed to add dev %d to ibdev cache\n",
dev_num);
goto error_exit3;
}
}
ret = 0;
/* clean up and Return */
error_exit3:
if (ctx)
ibv_close_device(ctx);
error_exit2:
if (root_dev_list)
ibv_free_device_list(root_dev_list);
error_exit1:
return (ret);
}
static int
uverbs_cache_init()
{
uverbs_cache_info_t info;
int dev_num, fd, i, bufsize, hca_cnt;
char uverbs_devpath[MAXPATHLEN];
sol_uverbs_info_t *uverbs_infop;
sol_uverbs_hca_info_t *hca_infop;
char *buf;
snprintf(uverbs_devpath, MAXPATHLEN, "%s/%s%d",
IB_OFS_DEVPATH_PREFIX, UVERBS_KERNEL_SYSFS_NAME_BASE,
sol_uverbs_minor_dev);
/*
* using the first sol_uverbs minor node that can be opened to get
* all the HCA information
*/
if ((fd = open(uverbs_devpath, O_RDWR)) < 0) {
fprintf(stderr, "sol_uverbs failed to open: %s\n",
strerror(errno));
goto error_exit1;
}
bufsize = sizeof(sol_uverbs_info_t) + sizeof(sol_uverbs_hca_info_t) *
MAX_HCAS;
buf = malloc(bufsize);
memset(buf, 0, bufsize);
uverbs_infop = (sol_uverbs_info_t *)buf;
uverbs_infop->uverbs_hca_cnt = MAX_HCAS;
if (ioctl(fd, UVERBS_IOCTL_GET_HCA_INFO, uverbs_infop) != 0) {
fprintf(stderr, "sol_uverbs ioctl failed: %s\n",
strerror(errno));
goto error_exit2;
}
if (uverbs_infop->uverbs_solaris_abi_version !=
IB_USER_VERBS_SOLARIS_ABI_VERSION) {
fprintf(stderr, "sol_uverbs solaris_abi_version !="
"IB_USER_VERBS_SOLARIS_ABI_VERSION : %d\n",
uverbs_infop->uverbs_solaris_abi_version);
goto error_exit2;
}
hca_cnt = uverbs_infop->uverbs_hca_cnt; /* hca count returned */
hca_infop = uverbs_infop->uverbs_hca_info;
if (uverbs_abi_version == -1)
uverbs_abi_version = uverbs_infop->uverbs_abi_version;
for (i = 0; i < hca_cnt; i++, hca_infop++) {
info.uvc_vendor_id = hca_infop->uverbs_hca_vendorid;
info.uvc_device_id = hca_infop->uverbs_hca_deviceid;
info.uvc_hca_instance =
hca_infop->uverbs_hca_driver_instance;
snprintf(info.uvc_ibdev_hca_path, sizeof (info.uvc_ibdev_hca_path),
"%s/%s%d", IB_HCA_DEVPATH_PREFIX,
hca_infop->uverbs_hca_driver_name,
hca_infop->uverbs_hca_driver_instance);
if (! strncmp(hca_infop->uverbs_hca_ibdev_name, "mlx4_", 5))
info.uvc_ibdev_abi_version =
MLX4_UVERBS_MAX_ABI_VERSION;
else {
fprintf(stderr, "libibverbs: sol_uverbs unsupported "
"device: %s\n", hca_infop->uverbs_hca_ibdev_name);
goto error_exit2;
}
strcpy(info.uvc_ibdev_name, hca_infop->uverbs_hca_ibdev_name);
dev_num = hca_infop->uverbs_hca_devidx;
if (uverbs_cache_add(dev_num, &info)) {
fprintf(stderr, "failed to add dev %d to uverbs "
"cache\n", dev_num);
goto error_exit2;
}
}
free(buf);
close(fd);
return (1);
error_exit2:
free(buf);
close(fd);
error_exit1:
return(0);
}
static int
umad_cache_init()
{
int i, fd, minor;
int save_errno = 0;
int port_cnt, bufsize;
char umad_devpath[MAXPATHLEN], *buf;
sol_umad_ioctl_info_t *umad_infop;
sol_umad_ioctl_port_info_t *port_infop;
for (minor = 0; minor < MAX_HCAS * MAX_HCA_PORTS; minor++) {
snprintf(umad_devpath, MAXPATHLEN, "%s/%s%d",
IB_OFS_DEVPATH_PREFIX, UMAD_KERNEL_SYSFS_NAME_BASE,
minor);
if ((fd = open(umad_devpath, O_RDWR)) > 0)
break;
if ((! save_errno) && (errno != ENOENT))
save_errno = errno;
}
if ((minor == MAX_HCAS * MAX_HCA_PORTS) && (fd < 0)) {
if (! save_errno)
save_errno = errno;
fprintf(stderr, "failed to open sol_umad: %s\n",
strerror(save_errno));
return (0);
}
bufsize = sizeof(sol_umad_ioctl_info_t) +
(sizeof(sol_umad_ioctl_port_info_t) * MAX_HCAS * MAX_HCA_PORTS);
buf = malloc(bufsize);
memset(buf, 0, bufsize);
umad_infop = (sol_umad_ioctl_info_t *)buf;
umad_infop->umad_port_cnt = MAX_HCAS * MAX_HCA_PORTS;
if (ioctl(fd, IB_USER_MAD_GET_PORT_INFO, umad_infop) != 0) {
fprintf(stderr, "sol_umad ioctl failed: %s\n",
strerror(errno));
goto error_exit;
}
if (umad_infop->umad_solaris_abi_version !=
IB_USER_MAD_SOLARIS_ABI_VERSION) {
fprintf(stderr, "sol_umad solaris_abi_version !="
"IB_USER_MAD_SOLARIS_ABI_VERSION : %d\n",
umad_infop->umad_solaris_abi_version);
goto error_exit;
}
/*
* set port_cnt to the number of total ports for all HCAs returned
*/
port_cnt = umad_infop->umad_port_cnt;
port_infop = umad_infop->umad_port_info;
if (umad_abi_version == -1)
umad_abi_version = umad_infop->umad_abi_version;
for (i = 0; i < port_cnt; i++, port_infop++) {
if (umad_cache_add(port_infop->umad_port_idx,
port_infop->umad_port_num,
port_infop->umad_port_ibdev_name)) {
fprintf(stderr, "failed to add dev %d to umad cache",
port_infop->umad_port_idx);
goto error_exit;
}
}
free(buf);
close(fd);
return (1);
error_exit:
free(buf);
close(fd);
return (0);
}
void
initialize(void)
{
int fd, minor;
char uverbs_devpath[MAXPATHLEN];
/*
* find the first sol_uverbs minor node that can be opened successfully
* and set sol_uverbs_mino_dev to that minor no.
*/
for (minor = 0; minor < MAX_HCAS; minor++) {
snprintf(uverbs_devpath, MAXPATHLEN, "%s/%s%d",
IB_OFS_DEVPATH_PREFIX, UVERBS_KERNEL_SYSFS_NAME_BASE,
minor);
if ((fd = open(uverbs_devpath, O_RDWR)) < 0) {
continue;
} else {
sol_uverbs_drv_status = SOL_UVERBS_DRV_STATUS_LOADED;
sol_uverbs_minor_dev = minor;
close(fd);
break;
}
}
/*
* All minor nodes failed to open, so set sol_uverbs_drv_status to
* SOL_UVERBS_DRV_STATUS_UNLOADED to reflect that
*/
if (minor == MAX_HCAS && sol_uverbs_minor_dev == -1) {
sol_uverbs_drv_status = SOL_UVERBS_DRV_STATUS_UNLOADED;
return;
}
memset(&uverbs_dev_cache, 0, (sizeof (uverbs_cache_info_t) * MAX_HCAS));
memset(&ibdev_cache, 0, (sizeof (ibdev_cache_info_t) * MAX_HCAS * 2));
memset(&umad_dev_cache, 0,
(sizeof (umad_cache_info_t) * MAX_HCAS * MAX_HCA_PORTS));
initialized = B_TRUE;
}
/*
* Some sysfs emulation software
*/
/*
* Check whether a path starts with prefix, and if it does, remove it
* from the string. The prefix can also contain one %d scan argument.
*/
static int
check_path(char *path, cp_prefix_t prefix, unsigned int *arg)
{
int ret, pos = 0;
switch (prefix) {
case CP_SOL_UVERBS:
ret = sscanf(path, "uverbs%d%n/", arg,
&pos);
break;
case CP_DEVICE:
ret = sscanf(path, "device%n/", &pos);
break;
case CP_D:
ret = sscanf(path, "%d%n/", arg, &pos);
break;
case CP_GIDS:
ret = sscanf(path, "gids%n/", &pos);
break;
case CP_PKEYS:
ret = sscanf(path, "pkeys%n/", &pos);
break;
case CP_MLX4:
ret = sscanf(path, "mlx4_%d%n/", arg, &pos);
break;
case CP_PORTS:
ret = sscanf(path, "ports%n/", &pos);
break;
case CP_UMAD:
ret = sscanf(path, "umad%d%n/", arg, &pos);
break;
case CP_SLASH:
ret = sscanf(path, "%n/", &pos);
break;
case CP_SYS:
ret = sscanf(path, "sys%n/", &pos);
break;
case CP_CLASS:
ret = sscanf(path, "class%n/", &pos);
break;
case CP_INFINIBAND_VERBS:
ret = sscanf(path, "infiniband_verbs%n/", &pos);
break;
case CP_INFINIBAND:
ret = sscanf(path, "infiniband%n/", &pos);
break;
case CP_INFINIBAND_MAD:
ret = sscanf(path, "infiniband_mad%n/", &pos);
break;
case CP_MISC:
ret = sscanf(path, "misc%n/", &pos);
break;
case CP_RDMA_CM:
ret = sscanf(path, "rdma_cm%n/", &pos);
break;
default:
/* Unkown prefix */
return (0);
}
if (path[pos] == '/') {
/* Some requests have several consecutive slashes. */
while (path[pos] == '/')
pos ++;
memmove(path, &path[pos], strlen(path)-pos+1);
return (1);
}
return (0);
}
static ibdev_cache_info_t *
get_device_info(const char *devname)
{
ibdev_cache_info_t *info = NULL;
const char *p = devname;
int dev_num;
if (pthread_mutex_lock(&ibdev_cache_mutex) != 0) {
fprintf(stderr, "failed: to acquire ibdev_cache_mutex %s\n",
strerror(errno));
return (NULL);
}
if (!ibdev_cache_initialized) {
if (ibdev_cache_init()) {
(void) pthread_mutex_unlock(&ibdev_cache_mutex);
fprintf(stderr, "failed to init ibdev_cache\n");
return (NULL);
} else {
ibdev_cache_initialized = B_TRUE;
}
}
(void) pthread_mutex_unlock(&ibdev_cache_mutex);
p = p+(strlen(p)-1);
dev_num = atoi(p);
if (dev_num >= MAX_HCAS) {
fprintf(stderr, "Invalid device %s\n", devname);
return (NULL);
}
if (strncmp(devname, "mlx4", 4) == 0) {
if (ibdev_cache[MLX4][dev_num].ibd_valid)
info = &(ibdev_cache[MLX4][dev_num]);
else
info = NULL;
} else {
fprintf(stderr, "libibverbs: sol_uverbs unsupported "
"device: %s\n", devname);
info = NULL;
}
return (info);
}
/*
* Get the IB user verbs port info attributes for the specified device/port.
* If the address of a gid pointer is passed for "gid_table", the memory
* will be allocated and the ports gid table and returned as well. The caller
* must free this memory on successful completion. If the address of a
* pkey pointer is passed for "pkey_table", the memory will be allocated
* and the ports pkey table returned as well. The caller must free this
* memory on successful completion.
*/
static int
get_port_info(const char *devname, uint8_t port_num,
struct ibv_port_attr *port_attr, union ibv_gid **gid_table,
uint16_t **pkey_table)
{
struct ibv_device **root_dev_list, **dev_list = NULL;
struct ibv_context *ctx = NULL;
union ibv_gid *gids = NULL;
uint16_t *pkeys = NULL;
int i, num_dev, rv, ret = 1;
root_dev_list = dev_list = ibv_get_device_list(&num_dev);
if (!dev_list) {
fprintf(stderr, "No HCA devices found\n");
goto error_exit1;
}
for (i = 0; i < num_dev; i++, dev_list++) {
if (strcmp(ibv_get_device_name(*dev_list), devname) == 0) {
break;
}
}
if (i == num_dev) {
fprintf(stderr, "failed to find %s\n", devname);
goto error_exit2;
}
if (!(ctx = ibv_open_device(*dev_list))) {
fprintf(stderr, "failed to open device %p\n", *dev_list);
goto error_exit2;
}
if (ibv_query_port(ctx, port_num, port_attr)) {
fprintf(stderr, "failed to query dev %p, port %d\n",
ctx, port_num);
goto error_exit3;
}
if (gid_table) {
*gid_table = NULL;
gids = malloc(sizeof (union ibv_gid) * port_attr->gid_tbl_len);
if (!gids)
goto error_exit3;
/*
* set high bit of port_num, and try get all gids in one go.
*/
port_num |= 0x80;
rv = ibv_query_gid(ctx, port_num, port_attr->gid_tbl_len, gids);
if (rv != 0) {
/*
* Quering all gids didn't work try one at a time.
*/
port_num &= 0x7f;
for (i = 0; i < port_attr->gid_tbl_len; i++) {
if (ibv_query_gid(ctx, port_num, i, &gids[i]))
goto error_exit4;
}
}
*gid_table = gids;
gids = NULL;
}
if (pkey_table) {
*pkey_table = NULL;
pkeys = malloc(sizeof (uint16_t) * port_attr->pkey_tbl_len);
if (!pkeys)
goto error_exit4;
port_num |= 0x80;
rv = ibv_query_pkey(ctx, port_num, port_attr->pkey_tbl_len,
pkeys);
if (rv != 0) {
/*
* Quering all gids didn't work try one at a time.
*/
port_num &= 0x7f;
for (i = 0; i < port_attr->pkey_tbl_len; i++) {
if (ibv_query_pkey(ctx, port_num, i, &pkeys[i]))
goto error_exit5;
}
}
*pkey_table = pkeys;
pkeys = NULL;
}
ret = 0;
/*
* clean up and Return
*/
error_exit5:
if (pkeys)
free(pkeys);
error_exit4:
if (gids)
free(gids);
error_exit3:
if (ctx)
ibv_close_device(ctx);
error_exit2:
if (root_dev_list)
ibv_free_device_list(root_dev_list);
error_exit1:
return (ret);
}
/*
* In Solaris environments, the underlying hardware driver is opened to
* perform the memory mapping operations of kernel allocated memory
* into the users address space.
*/
int
ibv_open_mmap_driver(char *dev_name)
{
int fd;
#ifndef _LP64
int tmpfd;
#endif
int uverbs_indx;
/*
* Map the user verbs device (uverbs) to the associated
* hca device.
*/
uverbs_indx = strtol(dev_name + strlen(UVERBS_KERNEL_SYSFS_NAME_BASE),
NULL, 0);
if (uverbs_indx >= MAX_HCAS) {
fprintf(stderr, "Invalid device %s\n", dev_name);
goto err_dev;
}
if (!uverbs_dev_cache[uverbs_indx].uvc_valid) {
fprintf(stderr, "Invalid Device %s\n", dev_name);
goto err_dev;
}
fd = open(uverbs_dev_cache[uverbs_indx].uvc_ibdev_hca_path, O_RDWR);
if (fd < 0) {
goto err_dev;
}
#ifndef _LP64
/*
* libc can't handle fd's greater than 255, in order to
* ensure that these values remain available make fd > 255.
* Note: not needed for LP64
*/
tmpfd = fcntl(fd, F_DUPFD, 256);
if (tmpfd >= 0) {
(void) close(fd);
fd = tmpfd;
}
#endif /* _LP64 */
if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) {
fprintf(stderr, "FD_CLOEXEC failed: %s\n", strerror(errno));
goto err_close;
}
return (fd);
err_close:
close(fd);
err_dev:
return (-1);
}
static int
infiniband_verbs(char *path, char *buf, size_t size)
{
unsigned int device_num;
int len = -1;
uverbs_cache_info_t *info_p;
if (pthread_mutex_lock(&uverbs_cache_mutex) != 0) {
fprintf(stderr, "failed: to acquire uverbs_cache_mutex %s\n",
strerror(errno));
goto exit;
}
if (!uverbs_cache_initialized) {
if (uverbs_cache_init())
uverbs_cache_initialized = B_TRUE;
else
goto exit;
}
(void) pthread_mutex_unlock(&uverbs_cache_mutex);
if (check_path(path, CP_SOL_UVERBS, &device_num)) {
if (device_num >= MAX_HCAS) {
fprintf(stderr, "Invalid path%s\n", path);
goto exit;
}
if (!uverbs_dev_cache[device_num].uvc_valid) {
goto exit;
}
info_p = &uverbs_dev_cache[device_num];
if (check_path(path, CP_DEVICE, NULL)) {
/*
* Under Linux, this is a link to the PCI device entry
* in /sys/devices/pci...../....
*/
if (strcmp(path, "vendor") == 0) {
len = 1 + sprintf(buf, "0x%x",
info_p->uvc_vendor_id);
} else if (strcmp(path, "device") == 0) {
len = 1 + sprintf(buf, "0x%x",
info_p->uvc_device_id);
}
} else if (strcmp(path, "ibdev") == 0) {
len = 1 + sprintf(buf, "%s",
info_p->uvc_ibdev_name);
} else if (strcmp(path, "abi_version") == 0) {
len = 1 + sprintf(buf, "%d",
info_p->uvc_ibdev_abi_version);
}
} else if (strcmp(path, "abi_version") == 0) {
if (uverbs_abi_version == -1) {
fprintf(stderr, "UVerbs ABI Version invalid\n");
goto exit;
}
len = 1 + sprintf(buf, "%d", uverbs_abi_version);
} else {
fprintf(stderr, "Unsupported read: %s\n", path);
}
exit:
return (len);
}
static int
infiniband_ports(char *path, char *buf, size_t size, char *dev_name)
{
int len = -1;
unsigned int port_num;
unsigned int gid_num;
union ibv_gid *gids;
uint64_t subnet_prefix;
uint64_t interface_id;
uint16_t *pkeys;
unsigned int pkey_num;
struct ibv_port_attr port_attr;
float rate;
if (!(check_path(path, CP_D, &port_num)))
goto exit;
if (check_path(path, CP_GIDS, NULL)) {
if (get_port_info(dev_name, port_num, &port_attr, &gids, NULL))
goto exit;
gid_num = atoi(path);
if (gid_num < port_attr.gid_tbl_len) {
subnet_prefix =
htonll(gids[gid_num].global.subnet_prefix);
interface_id =
htonll(gids[gid_num].global.interface_id);
len = 1 + sprintf(buf,
"%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x",
(unsigned)(subnet_prefix >> 48) & 0xffff,
(unsigned)(subnet_prefix >> 32) & 0xffff,
(unsigned)(subnet_prefix >> 16) & 0xffff,
(unsigned)(subnet_prefix >> 0) & 0xffff,
(unsigned)(interface_id >> 48) & 0xffff,
(unsigned)(interface_id >> 32) & 0xffff,
(unsigned)(interface_id >> 16) & 0xffff,
(unsigned)(interface_id >> 0) & 0xffff);
}
if (gids)
free(gids);
} else if (check_path(path, CP_PKEYS, NULL)) {
if (get_port_info(dev_name, port_num, &port_attr, NULL, &pkeys))
goto exit;
pkey_num = atoi(path);
if (pkey_num < port_attr.pkey_tbl_len)
len = 1 + sprintf(buf, "0x%04x", pkeys[pkey_num]);
if (pkeys)
free(pkeys);
} else {
if (get_port_info(dev_name, port_num, &port_attr, NULL, NULL))
goto exit;
if (strcmp(path, "lid_mask_count") == 0) {
len = 1 + sprintf(buf, "%d", port_attr.lmc);
} else if (strcmp(path, "sm_lid") == 0) {
len = 1 + sprintf(buf, "0x%x", port_attr.sm_lid);
} else if (strcmp(path, "sm_sl") == 0) {
len = 1 + sprintf(buf, "%d", port_attr.sm_sl);
} else if (strcmp(path, "lid") == 0) {
len = 1 + sprintf(buf, "0x%x", port_attr.lid);
} else if (strcmp(path, "state") == 0) {
switch (port_attr.state) {
case IBV_PORT_NOP:
len = 1 + sprintf(buf, "%d: NOP",
port_attr.state);
break;
case IBV_PORT_DOWN:
len = 1 + sprintf(buf, "%d: DOWN",
port_attr.state);
break;
case IBV_PORT_INIT:
len = 1 + sprintf(buf, "%d: INIT",
port_attr.state);
break;
case IBV_PORT_ARMED:
len = 1 + sprintf(buf, "%d: ARMED",
port_attr.state);
break;
case IBV_PORT_ACTIVE:
len = 1 + sprintf(buf, "%d: ACTIVE",
port_attr.state);
break;
case IBV_PORT_ACTIVE_DEFER:
len = 1 + sprintf(buf,
"%d: ACTIVE_DEFER",
port_attr.state);
break;
default:
len = 1 + sprintf(buf, "%d: INVALID",
port_attr.state);
break;
}
} else if (strcmp(path, "phys_state") == 0) {
switch (port_attr.phys_state) {
case 1:
len = 1 + sprintf(buf, "%d: Sleep",
port_attr.phys_state);
break;
case 2:
len = 1 + sprintf(buf, "%d: Polling",
port_attr.phys_state);
break;
case 3:
len = 1 + sprintf(buf, "%d: Disabled",
port_attr.phys_state);
break;
case 4:
len = 1 + sprintf(buf,
"%d: PortConfigurationTraining",
port_attr.phys_state);
break;
case 5:
len = 1 + sprintf(buf, "%d: LinkUp",
port_attr.phys_state);
break;
case 6:
len = 1 + sprintf(buf,
"%d: LinkErrorRecovery",
port_attr.phys_state);
break;
case 7:
len = 1 + sprintf(buf,
"%d: Phy Test",
port_attr.phys_state);
break;
default:
len = 1 + sprintf(buf, "%d: <unknown>",
port_attr.phys_state);
break;
}
} else if (strcmp(path, "rate") == 0) {
/* rate = speed * width */
switch (port_attr.active_speed) {
case 1:
rate = 2.5;
break;
case 2:
rate = 5;
break;
case 4:
rate = 10;
break;
default:
rate = 0;
}
switch (port_attr.active_width) {
case 1:
break;
case 2:
rate = 4 * rate;
break;
case 4:
rate = 8 * rate;
break;
case 8:
rate = 12 * rate;
break;
default:
rate = 0;
}
len = 1 + sprintf(buf, "%f", rate);
} else if (strcmp(path, "cap_mask") == 0) {
len = 1 + sprintf(buf, "0x%08x",
port_attr.port_cap_flags);
}
}
exit:
return (len);
}
/*
* This function passes the HW Part number string obtained from driver
* IOCTL. The memory for "hca_hwpn" argument has to be passed by the
* caller and has to be at least 64 bytes in size.
*/
static int
get_hca_hwpn_str(char *ibd_name, int fd, char *hca_hwpn)
{
hermon_flash_init_ioctl_t hermon_flash_info;
int rc;
if (strncmp(ibd_name, "mlx4_", 5) == 0) {
if ((rc = ioctl(fd, HERMON_IOCTL_FLASH_INIT,
&hermon_flash_info)) != 0)
return (rc);
strncpy(hca_hwpn, hermon_flash_info.af_hwpn, 64);
} else {
fprintf(stderr, "libibverbs: sol_uverbs unsupported "
"device: %s\n", ibd_name);
return (1);
}
return (0);
}
static void
init_boardid_index(ibdev_cache_info_t *ibd_info)
{
int i;
int fd;
char hca_hwpn[64];
char *hwpnp;
if (pthread_mutex_lock(&uverbs_cache_mutex) != 0) {
fprintf(stderr, "failed: to acquire "
"uverbs_cache_mutex %s\n",
strerror(errno));
goto boardid_err;
}
if (!uverbs_cache_initialized) {
uverbs_cache_init();
uverbs_cache_initialized = B_TRUE;
}
(void) pthread_mutex_unlock(&uverbs_cache_mutex);
for (i = 0; i < MAX_HCAS; i++) {
if (uverbs_dev_cache[i].uvc_valid &&
strcmp(uverbs_dev_cache[i].uvc_ibdev_name,
ibd_info->ibd_name) == 0) {
break;
}
}
if (i == MAX_HCAS) {
fprintf(stderr, "failed to find uverbs_dev for %s\n",
ibd_info->ibd_name);
goto boardid_err;
}
fd = open(uverbs_dev_cache[i].uvc_ibdev_hca_path, O_RDWR);
if (fd < 0) {
goto boardid_err;
}
if (get_hca_hwpn_str(ibd_info->ibd_name, fd, hca_hwpn)) {
close(fd);
goto boardid_err;
}
close(fd);
if ((hwpnp = strchr(hca_hwpn, ' ')) != NULL)
*hwpnp = '\0';
/*
* Find part number, set the boardid_index,
* Skip index 0, as it is for failure "unknown"
* case.
*/
for (i = 1; i < MLX_MAX_ID; i++) {
if (strcmp((const char *)hca_hwpn,
mlx_mdr[i].mlx_pn) == 0) {
/* Set boardid_index */
ibd_info->ibd_boardid_index = i;
return;
}
}
boardid_err:
/* Failure case, default to "unknown" */
ibd_info->ibd_boardid_index = 0;
}
static int
infiniband(char *path, char *buf, size_t size)
{
int len = -1;
unsigned int device_num;
char dev_name[10];
ibdev_cache_info_t *info;
memset(dev_name, 0, 10);
if (check_path(path, CP_MLX4, &device_num)) {
sprintf(dev_name, "mlx4_%d", device_num);
} else {
goto exit;
}
if (check_path(path, CP_PORTS, NULL)) {
len = infiniband_ports(path, buf, size, dev_name);
} else if (strcmp(path, "node_type") == 0) {
len = 1 + sprintf(buf, "%d", IBV_NODE_CA);
} else {
if (!(info = get_device_info(dev_name)))
goto exit;
if (strcmp(path, "node_guid") == 0) {
len = 1 + sprintf(buf, "%s", info->ibd_node_guid_str);
} else if (strcmp(path, "sys_image_guid") == 0) {
len = 1 + sprintf(buf, "%s", info->ibd_sys_image_guid);
} else if (strcmp(path, "fw_ver") == 0) {
len = 1 + sprintf(buf, "%s", info->ibd_fw_ver);
} else if (strcmp(path, "hw_rev") == 0) {
len = 1 + sprintf(buf, "%d", info->ibd_hw_rev);
} else if (strcmp(path, "hca_type") == 0) {
if (!(strncmp(info->ibd_name, "mlx4", 4)))
len = 1 + sprintf(buf, "%d", 0);
else
len = 1 + sprintf(buf, "unavailable");
} else if (strcmp(path, "board_id") == 0) {
if (info->ibd_boardid_index == -1)
init_boardid_index(info);
len = 1 + sprintf(buf, "%s",
mlx_mdr[info->ibd_boardid_index].mlx_psid);
}
}
exit:
return (len);
}
static int
infiniband_mad(char *path, char *buf, size_t size)
{
int len = -1;
unsigned int dev_num;
if (pthread_mutex_lock(&umad_cache_mutex) != 0) {
fprintf(stderr, "failed: to acquire umad_cache_mutex %s\n",
strerror(errno));
goto exit;
}
if (!umad_cache_initialized) {
if (umad_cache_init())
umad_cache_initialized = B_TRUE;
else
goto exit;
}
(void) pthread_mutex_unlock(&umad_cache_mutex);
if (check_path(path, CP_UMAD, &dev_num)) {
if (dev_num >= MAX_HCAS * MAX_HCA_PORTS) {
fprintf(stderr, "Invalid Path: %s\n", path);
goto exit;
}
if (!umad_dev_cache[dev_num].umc_valid) {
goto exit;
}
if (strcmp(path, "ibdev") == 0) {
len = strlcpy(buf, umad_dev_cache[dev_num].umc_ib_dev,
size) + 1;
} else if (strcmp(path, "port") == 0) {
len = 1 + sprintf(buf, "%d",
umad_dev_cache[dev_num].umc_port);
}
} else if (strcmp(path, "abi_version") == 0) {
if (umad_abi_version == -1) {
fprintf(stderr, "UMAD ABI Version invalid\n");
goto exit;
}
len =
1 + sprintf(buf, "%d", umad_abi_version);
}
exit:
return (len);
}
/*
* Return -1 on error, or the length of the data (buf) on success.
*/
int
sol_read_sysfs_file(char *path, char *buf, size_t size)
{
int len = -1;
if (!initialized) {
if (pthread_once(&oneTimeInit, initialize)) {
fprintf(stderr, "failed to initialize: %s\n",
strerror(errno));
goto exit;
}
if (!initialized)
/*
* There was a problem in initialize()
*/
goto exit;
}
if (!check_path(path, CP_SLASH, NULL))
goto exit;
if (!check_path(path, CP_SYS, NULL))
goto exit;
if (!check_path(path, CP_CLASS, NULL))
goto exit;
if (check_path(path, CP_INFINIBAND_VERBS, NULL)) {
len = infiniband_verbs(path, buf, size);
} else if (check_path(path, CP_INFINIBAND, NULL)) {
len = infiniband(path, buf, size);
} else if (check_path(path, CP_INFINIBAND_MAD, NULL)) {
len = infiniband_mad(path, buf, size);
} else if (check_path(path, CP_MISC, NULL)) {
if (check_path(path, CP_RDMA_CM, NULL)) {
if (strcmp(path, "abi_version") == 0) {
len = 1 + sprintf(buf, "%d",
RDMA_USER_CM_MAX_ABI_VERSION);
}
}
}
exit:
return (len);
}
int
sol_get_cpu_info(sol_cpu_info_t *info)
{
kstat_t *ksp;
kstat_named_t *knp;
/*
* We should check all CPUS, and make sure they
* are all the same or return an array of structs.
*/
ksp = kstat_lookup(kc, "cpu_info", 0, NULL);
if (ksp == NULL)
return (-1);
if (kstat_read(kc, ksp, NULL) == -1)
return (-1);
knp = (kstat_named_t *)kstat_data_lookup(ksp, "brand");
if (knp == NULL)
return (-1);
(void) strlcpy(info->cpu_name, knp->value.str.addr.ptr,
knp->value.str.len);
knp = (kstat_named_t *)kstat_data_lookup(ksp, "clock_MHz");
if (knp == NULL)
return -1;
info->cpu_mhz = knp->value.ui64;
info->cpu_num = sysconf(_SC_NPROCESSORS_ONLN);
return (0);
}
#endif