1dbf9bfe6Sjack wang /* 2e5742101SSakthivel K * PMC-Sierra 8001/8081/8088/8089 SAS/SATA based host adapters driver 3dbf9bfe6Sjack wang * 4dbf9bfe6Sjack wang * Copyright (c) 2008-2009 USI Co., Ltd. 5dbf9bfe6Sjack wang * All rights reserved. 6dbf9bfe6Sjack wang * 7dbf9bfe6Sjack wang * Redistribution and use in source and binary forms, with or without 8dbf9bfe6Sjack wang * modification, are permitted provided that the following conditions 9dbf9bfe6Sjack wang * are met: 10dbf9bfe6Sjack wang * 1. Redistributions of source code must retain the above copyright 11dbf9bfe6Sjack wang * notice, this list of conditions, and the following disclaimer, 12dbf9bfe6Sjack wang * without modification. 13dbf9bfe6Sjack wang * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14dbf9bfe6Sjack wang * substantially similar to the "NO WARRANTY" disclaimer below 15dbf9bfe6Sjack wang * ("Disclaimer") and any redistribution must be conditioned upon 16dbf9bfe6Sjack wang * including a substantially similar Disclaimer requirement for further 17dbf9bfe6Sjack wang * binary redistribution. 18dbf9bfe6Sjack wang * 3. Neither the names of the above-listed copyright holders nor the names 19dbf9bfe6Sjack wang * of any contributors may be used to endorse or promote products derived 20dbf9bfe6Sjack wang * from this software without specific prior written permission. 21dbf9bfe6Sjack wang * 22dbf9bfe6Sjack wang * Alternatively, this software may be distributed under the terms of the 23dbf9bfe6Sjack wang * GNU General Public License ("GPL") version 2 as published by the Free 24dbf9bfe6Sjack wang * Software Foundation. 25dbf9bfe6Sjack wang * 26dbf9bfe6Sjack wang * NO WARRANTY 27dbf9bfe6Sjack wang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28dbf9bfe6Sjack wang * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29dbf9bfe6Sjack wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 30dbf9bfe6Sjack wang * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31dbf9bfe6Sjack wang * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32dbf9bfe6Sjack wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33dbf9bfe6Sjack wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34dbf9bfe6Sjack wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 35dbf9bfe6Sjack wang * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 36dbf9bfe6Sjack wang * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37dbf9bfe6Sjack wang * POSSIBILITY OF SUCH DAMAGES. 38dbf9bfe6Sjack wang * 39dbf9bfe6Sjack wang */ 40dbf9bfe6Sjack wang #include <linux/firmware.h> 415a0e3ad6STejun Heo #include <linux/slab.h> 42dbf9bfe6Sjack wang #include "pm8001_sas.h" 43dbf9bfe6Sjack wang #include "pm8001_ctl.h" 44dbf9bfe6Sjack wang 45dbf9bfe6Sjack wang /* scsi host attributes */ 46dbf9bfe6Sjack wang 47dbf9bfe6Sjack wang /** 48dbf9bfe6Sjack wang * pm8001_ctl_mpi_interface_rev_show - MPI interface revision number 49dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 50dbf9bfe6Sjack wang * @buf: the buffer returned 51dbf9bfe6Sjack wang * 52dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 53dbf9bfe6Sjack wang */ 54dbf9bfe6Sjack wang static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev, 55dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 56dbf9bfe6Sjack wang { 57dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 58dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 59dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 60dbf9bfe6Sjack wang 61e5742101SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 62dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "%d\n", 63e5742101SSakthivel K pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev); 64e5742101SSakthivel K } else { 65e5742101SSakthivel K return snprintf(buf, PAGE_SIZE, "%d\n", 66e5742101SSakthivel K pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev); 67e5742101SSakthivel K } 68dbf9bfe6Sjack wang } 69dbf9bfe6Sjack wang static 70dbf9bfe6Sjack wang DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL); 71dbf9bfe6Sjack wang 72dbf9bfe6Sjack wang /** 73dbf9bfe6Sjack wang * pm8001_ctl_fw_version_show - firmware version 74dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 75dbf9bfe6Sjack wang * @buf: the buffer returned 76dbf9bfe6Sjack wang * 77dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 78dbf9bfe6Sjack wang */ 79dbf9bfe6Sjack wang static ssize_t pm8001_ctl_fw_version_show(struct device *cdev, 80dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 81dbf9bfe6Sjack wang { 82dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 83dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 84dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 85dbf9bfe6Sjack wang 86e5742101SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 87dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 88e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24), 89e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16), 90e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8), 91e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev)); 92e5742101SSakthivel K } else { 93e5742101SSakthivel K return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 94e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24), 95e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16), 96e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8), 97e5742101SSakthivel K (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev)); 98e5742101SSakthivel K } 99dbf9bfe6Sjack wang } 100dbf9bfe6Sjack wang static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL); 101dbf9bfe6Sjack wang /** 102dbf9bfe6Sjack wang * pm8001_ctl_max_out_io_show - max outstanding io supported 103dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 104dbf9bfe6Sjack wang * @buf: the buffer returned 105dbf9bfe6Sjack wang * 106dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 107dbf9bfe6Sjack wang */ 108dbf9bfe6Sjack wang static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev, 109dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 110dbf9bfe6Sjack wang { 111dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 112dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 113dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 114dbf9bfe6Sjack wang 115e5742101SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 116dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "%d\n", 117e5742101SSakthivel K pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io); 118e5742101SSakthivel K } else { 119e5742101SSakthivel K return snprintf(buf, PAGE_SIZE, "%d\n", 120e5742101SSakthivel K pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io); 121e5742101SSakthivel K } 122dbf9bfe6Sjack wang } 123dbf9bfe6Sjack wang static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL); 124dbf9bfe6Sjack wang /** 125dbf9bfe6Sjack wang * pm8001_ctl_max_devices_show - max devices support 126dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 127dbf9bfe6Sjack wang * @buf: the buffer returned 128dbf9bfe6Sjack wang * 129dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 130dbf9bfe6Sjack wang */ 131dbf9bfe6Sjack wang static ssize_t pm8001_ctl_max_devices_show(struct device *cdev, 132dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 133dbf9bfe6Sjack wang { 134dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 135dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 136dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 137dbf9bfe6Sjack wang 138e5742101SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 139dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "%04d\n", 140e5742101SSakthivel K (u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16) 141e5742101SSakthivel K ); 142e5742101SSakthivel K } else { 143e5742101SSakthivel K return snprintf(buf, PAGE_SIZE, "%04d\n", 144e5742101SSakthivel K (u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16) 145e5742101SSakthivel K ); 146e5742101SSakthivel K } 147dbf9bfe6Sjack wang } 148dbf9bfe6Sjack wang static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL); 149dbf9bfe6Sjack wang /** 150dbf9bfe6Sjack wang * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no 151dbf9bfe6Sjack wang * hardware limitation 152dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 153dbf9bfe6Sjack wang * @buf: the buffer returned 154dbf9bfe6Sjack wang * 155dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 156dbf9bfe6Sjack wang */ 157dbf9bfe6Sjack wang static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev, 158dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 159dbf9bfe6Sjack wang { 160dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 161dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 162dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 163dbf9bfe6Sjack wang 164e5742101SSakthivel K if (pm8001_ha->chip_id == chip_8001) { 165dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "%04d\n", 166e5742101SSakthivel K pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF 167e5742101SSakthivel K ); 168e5742101SSakthivel K } else { 169e5742101SSakthivel K return snprintf(buf, PAGE_SIZE, "%04d\n", 170e5742101SSakthivel K pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF 171e5742101SSakthivel K ); 172e5742101SSakthivel K } 173dbf9bfe6Sjack wang } 174dbf9bfe6Sjack wang static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL); 175dbf9bfe6Sjack wang 176dbf9bfe6Sjack wang #define SAS_1_0 0x1 177dbf9bfe6Sjack wang #define SAS_1_1 0x2 178dbf9bfe6Sjack wang #define SAS_2_0 0x4 179dbf9bfe6Sjack wang 180dbf9bfe6Sjack wang static ssize_t 181dbf9bfe6Sjack wang show_sas_spec_support_status(unsigned int mode, char *buf) 182dbf9bfe6Sjack wang { 183dbf9bfe6Sjack wang ssize_t len = 0; 184dbf9bfe6Sjack wang 185dbf9bfe6Sjack wang if (mode & SAS_1_1) 186dbf9bfe6Sjack wang len = sprintf(buf, "%s", "SAS1.1"); 187dbf9bfe6Sjack wang if (mode & SAS_2_0) 188dbf9bfe6Sjack wang len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0"); 189dbf9bfe6Sjack wang len += sprintf(buf + len, "\n"); 190dbf9bfe6Sjack wang 191dbf9bfe6Sjack wang return len; 192dbf9bfe6Sjack wang } 193dbf9bfe6Sjack wang 194dbf9bfe6Sjack wang /** 195dbf9bfe6Sjack wang * pm8001_ctl_sas_spec_support_show - sas spec supported 196dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 197dbf9bfe6Sjack wang * @buf: the buffer returned 198dbf9bfe6Sjack wang * 199dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 200dbf9bfe6Sjack wang */ 201dbf9bfe6Sjack wang static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev, 202dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 203dbf9bfe6Sjack wang { 204dbf9bfe6Sjack wang unsigned int mode; 205dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 206dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 207dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 208e5742101SSakthivel K /* fe000000 means supports SAS2.1 */ 209e5742101SSakthivel K if (pm8001_ha->chip_id == chip_8001) 210e5742101SSakthivel K mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag & 211e5742101SSakthivel K 0xfe000000)>>25; 212e5742101SSakthivel K else 213e5742101SSakthivel K /* fe000000 means supports SAS2.1 */ 214e5742101SSakthivel K mode = (pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag & 215e5742101SSakthivel K 0xfe000000)>>25; 216dbf9bfe6Sjack wang return show_sas_spec_support_status(mode, buf); 217dbf9bfe6Sjack wang } 218dbf9bfe6Sjack wang static DEVICE_ATTR(sas_spec_support, S_IRUGO, 219dbf9bfe6Sjack wang pm8001_ctl_sas_spec_support_show, NULL); 220dbf9bfe6Sjack wang 221dbf9bfe6Sjack wang /** 222dbf9bfe6Sjack wang * pm8001_ctl_sas_address_show - sas address 223dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 224dbf9bfe6Sjack wang * @buf: the buffer returned 225dbf9bfe6Sjack wang * 226dbf9bfe6Sjack wang * This is the controller sas address 227dbf9bfe6Sjack wang * 228dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 229dbf9bfe6Sjack wang */ 230dbf9bfe6Sjack wang static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev, 231dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 232dbf9bfe6Sjack wang { 233dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 234dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 235dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 236dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "0x%016llx\n", 237dbf9bfe6Sjack wang be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr)); 238dbf9bfe6Sjack wang } 239dbf9bfe6Sjack wang static DEVICE_ATTR(host_sas_address, S_IRUGO, 240dbf9bfe6Sjack wang pm8001_ctl_host_sas_address_show, NULL); 241dbf9bfe6Sjack wang 242dbf9bfe6Sjack wang /** 243dbf9bfe6Sjack wang * pm8001_ctl_logging_level_show - logging level 244dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 245dbf9bfe6Sjack wang * @buf: the buffer returned 246dbf9bfe6Sjack wang * 247dbf9bfe6Sjack wang * A sysfs 'read/write' shost attribute. 248dbf9bfe6Sjack wang */ 249dbf9bfe6Sjack wang static ssize_t pm8001_ctl_logging_level_show(struct device *cdev, 250dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 251dbf9bfe6Sjack wang { 252dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 253dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 254dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 255dbf9bfe6Sjack wang 256dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level); 257dbf9bfe6Sjack wang } 258dbf9bfe6Sjack wang static ssize_t pm8001_ctl_logging_level_store(struct device *cdev, 259dbf9bfe6Sjack wang struct device_attribute *attr, const char *buf, size_t count) 260dbf9bfe6Sjack wang { 261dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 262dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 263dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 264dbf9bfe6Sjack wang int val = 0; 265dbf9bfe6Sjack wang 266dbf9bfe6Sjack wang if (sscanf(buf, "%x", &val) != 1) 267dbf9bfe6Sjack wang return -EINVAL; 268dbf9bfe6Sjack wang 269dbf9bfe6Sjack wang pm8001_ha->logging_level = val; 270dbf9bfe6Sjack wang return strlen(buf); 271dbf9bfe6Sjack wang } 272dbf9bfe6Sjack wang 273dbf9bfe6Sjack wang static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, 274dbf9bfe6Sjack wang pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store); 275dbf9bfe6Sjack wang /** 276dbf9bfe6Sjack wang * pm8001_ctl_aap_log_show - aap1 event log 277dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 278dbf9bfe6Sjack wang * @buf: the buffer returned 279dbf9bfe6Sjack wang * 280dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 281dbf9bfe6Sjack wang */ 282dbf9bfe6Sjack wang static ssize_t pm8001_ctl_aap_log_show(struct device *cdev, 283dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 284dbf9bfe6Sjack wang { 285dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 286dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 287dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 288dbf9bfe6Sjack wang int i; 289dbf9bfe6Sjack wang #define AAP1_MEMMAP(r, c) \ 290dbf9bfe6Sjack wang (*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \ 291dbf9bfe6Sjack wang + (c))) 292dbf9bfe6Sjack wang 293dbf9bfe6Sjack wang char *str = buf; 294dbf9bfe6Sjack wang int max = 2; 295dbf9bfe6Sjack wang for (i = 0; i < max; i++) { 296dbf9bfe6Sjack wang str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" 297dbf9bfe6Sjack wang "0x%08x 0x%08x\n", 298dbf9bfe6Sjack wang AAP1_MEMMAP(i, 0), 299dbf9bfe6Sjack wang AAP1_MEMMAP(i, 4), 300dbf9bfe6Sjack wang AAP1_MEMMAP(i, 8), 301dbf9bfe6Sjack wang AAP1_MEMMAP(i, 12), 302dbf9bfe6Sjack wang AAP1_MEMMAP(i, 16), 303dbf9bfe6Sjack wang AAP1_MEMMAP(i, 20), 304dbf9bfe6Sjack wang AAP1_MEMMAP(i, 24), 305dbf9bfe6Sjack wang AAP1_MEMMAP(i, 28)); 306dbf9bfe6Sjack wang } 307dbf9bfe6Sjack wang 308dbf9bfe6Sjack wang return str - buf; 309dbf9bfe6Sjack wang } 310dbf9bfe6Sjack wang static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); 311dbf9bfe6Sjack wang /** 312d078b511SAnand Kumar Santhanam * pm8001_ctl_ib_queue_log_show - Out bound Queue log 313d078b511SAnand Kumar Santhanam * @cdev:pointer to embedded class device 314d078b511SAnand Kumar Santhanam * @buf: the buffer returned 315d078b511SAnand Kumar Santhanam * A sysfs 'read-only' shost attribute. 316d078b511SAnand Kumar Santhanam */ 317d078b511SAnand Kumar Santhanam static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev, 318d078b511SAnand Kumar Santhanam struct device_attribute *attr, char *buf) 319d078b511SAnand Kumar Santhanam { 320d078b511SAnand Kumar Santhanam struct Scsi_Host *shost = class_to_shost(cdev); 321d078b511SAnand Kumar Santhanam struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 322d078b511SAnand Kumar Santhanam struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 323d078b511SAnand Kumar Santhanam int offset; 324d078b511SAnand Kumar Santhanam char *str = buf; 325d078b511SAnand Kumar Santhanam int start = 0; 326d078b511SAnand Kumar Santhanam #define IB_MEMMAP(c) \ 327d078b511SAnand Kumar Santhanam (*(u32 *)((u8 *)pm8001_ha-> \ 328d078b511SAnand Kumar Santhanam memoryMap.region[IB].virt_ptr + \ 329d078b511SAnand Kumar Santhanam pm8001_ha->evtlog_ib_offset + (c))) 330d078b511SAnand Kumar Santhanam 331d078b511SAnand Kumar Santhanam for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 332d078b511SAnand Kumar Santhanam str += sprintf(str, "0x%08x\n", IB_MEMMAP(start)); 333d078b511SAnand Kumar Santhanam start = start + 4; 334d078b511SAnand Kumar Santhanam } 335d078b511SAnand Kumar Santhanam pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET; 336859b5d10SViswas G if (((pm8001_ha->evtlog_ib_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 337d078b511SAnand Kumar Santhanam pm8001_ha->evtlog_ib_offset = 0; 338d078b511SAnand Kumar Santhanam 339d078b511SAnand Kumar Santhanam return str - buf; 340d078b511SAnand Kumar Santhanam } 341d078b511SAnand Kumar Santhanam 342d078b511SAnand Kumar Santhanam static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL); 343d078b511SAnand Kumar Santhanam /** 344d078b511SAnand Kumar Santhanam * pm8001_ctl_ob_queue_log_show - Out bound Queue log 345d078b511SAnand Kumar Santhanam * @cdev:pointer to embedded class device 346d078b511SAnand Kumar Santhanam * @buf: the buffer returned 347d078b511SAnand Kumar Santhanam * A sysfs 'read-only' shost attribute. 348d078b511SAnand Kumar Santhanam */ 349d078b511SAnand Kumar Santhanam 350d078b511SAnand Kumar Santhanam static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev, 351d078b511SAnand Kumar Santhanam struct device_attribute *attr, char *buf) 352d078b511SAnand Kumar Santhanam { 353d078b511SAnand Kumar Santhanam struct Scsi_Host *shost = class_to_shost(cdev); 354d078b511SAnand Kumar Santhanam struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 355d078b511SAnand Kumar Santhanam struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 356d078b511SAnand Kumar Santhanam int offset; 357d078b511SAnand Kumar Santhanam char *str = buf; 358d078b511SAnand Kumar Santhanam int start = 0; 359d078b511SAnand Kumar Santhanam #define OB_MEMMAP(c) \ 360d078b511SAnand Kumar Santhanam (*(u32 *)((u8 *)pm8001_ha-> \ 361d078b511SAnand Kumar Santhanam memoryMap.region[OB].virt_ptr + \ 362d078b511SAnand Kumar Santhanam pm8001_ha->evtlog_ob_offset + (c))) 363d078b511SAnand Kumar Santhanam 364d078b511SAnand Kumar Santhanam for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 365d078b511SAnand Kumar Santhanam str += sprintf(str, "0x%08x\n", OB_MEMMAP(start)); 366d078b511SAnand Kumar Santhanam start = start + 4; 367d078b511SAnand Kumar Santhanam } 368d078b511SAnand Kumar Santhanam pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET; 369859b5d10SViswas G if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 370d078b511SAnand Kumar Santhanam pm8001_ha->evtlog_ob_offset = 0; 371d078b511SAnand Kumar Santhanam 372d078b511SAnand Kumar Santhanam return str - buf; 373d078b511SAnand Kumar Santhanam } 374d078b511SAnand Kumar Santhanam static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL); 375d078b511SAnand Kumar Santhanam /** 376966fdcffSAnand Kumar Santhanam * pm8001_ctl_bios_version_show - Bios version Display 377966fdcffSAnand Kumar Santhanam * @cdev:pointer to embedded class device 378966fdcffSAnand Kumar Santhanam * @buf:the buffer returned 379966fdcffSAnand Kumar Santhanam * A sysfs 'read-only' shost attribute. 380966fdcffSAnand Kumar Santhanam */ 381966fdcffSAnand Kumar Santhanam static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, 382966fdcffSAnand Kumar Santhanam struct device_attribute *attr, char *buf) 383966fdcffSAnand Kumar Santhanam { 384966fdcffSAnand Kumar Santhanam struct Scsi_Host *shost = class_to_shost(cdev); 385966fdcffSAnand Kumar Santhanam struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 386966fdcffSAnand Kumar Santhanam struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 387966fdcffSAnand Kumar Santhanam char *str = buf; 388966fdcffSAnand Kumar Santhanam void *virt_addr; 389966fdcffSAnand Kumar Santhanam int bios_index; 390966fdcffSAnand Kumar Santhanam DECLARE_COMPLETION_ONSTACK(completion); 391966fdcffSAnand Kumar Santhanam struct pm8001_ioctl_payload payload; 392966fdcffSAnand Kumar Santhanam 393966fdcffSAnand Kumar Santhanam pm8001_ha->nvmd_completion = &completion; 394966fdcffSAnand Kumar Santhanam payload.minor_function = 7; 395966fdcffSAnand Kumar Santhanam payload.offset = 0; 396966fdcffSAnand Kumar Santhanam payload.length = 4096; 397966fdcffSAnand Kumar Santhanam payload.func_specific = kzalloc(4096, GFP_KERNEL); 398966fdcffSAnand Kumar Santhanam PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 399966fdcffSAnand Kumar Santhanam wait_for_completion(&completion); 400966fdcffSAnand Kumar Santhanam virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr; 401966fdcffSAnand Kumar Santhanam for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; 402966fdcffSAnand Kumar Santhanam bios_index++) 403966fdcffSAnand Kumar Santhanam str += sprintf(str, "%c", 404966fdcffSAnand Kumar Santhanam *((u8 *)((u8 *)virt_addr+bios_index))); 405966fdcffSAnand Kumar Santhanam return str - buf; 406966fdcffSAnand Kumar Santhanam } 407966fdcffSAnand Kumar Santhanam static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); 408966fdcffSAnand Kumar Santhanam /** 409dbf9bfe6Sjack wang * pm8001_ctl_aap_log_show - IOP event log 410dbf9bfe6Sjack wang * @cdev: pointer to embedded class device 411dbf9bfe6Sjack wang * @buf: the buffer returned 412dbf9bfe6Sjack wang * 413dbf9bfe6Sjack wang * A sysfs 'read-only' shost attribute. 414dbf9bfe6Sjack wang */ 415dbf9bfe6Sjack wang static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, 416dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 417dbf9bfe6Sjack wang { 418dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 419dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 420dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 421dbf9bfe6Sjack wang #define IOP_MEMMAP(r, c) \ 422dbf9bfe6Sjack wang (*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \ 423dbf9bfe6Sjack wang + (c))) 424dbf9bfe6Sjack wang int i; 425dbf9bfe6Sjack wang char *str = buf; 426dbf9bfe6Sjack wang int max = 2; 427dbf9bfe6Sjack wang for (i = 0; i < max; i++) { 428dbf9bfe6Sjack wang str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" 429dbf9bfe6Sjack wang "0x%08x 0x%08x\n", 430dbf9bfe6Sjack wang IOP_MEMMAP(i, 0), 431dbf9bfe6Sjack wang IOP_MEMMAP(i, 4), 432dbf9bfe6Sjack wang IOP_MEMMAP(i, 8), 433dbf9bfe6Sjack wang IOP_MEMMAP(i, 12), 434dbf9bfe6Sjack wang IOP_MEMMAP(i, 16), 435dbf9bfe6Sjack wang IOP_MEMMAP(i, 20), 436dbf9bfe6Sjack wang IOP_MEMMAP(i, 24), 437dbf9bfe6Sjack wang IOP_MEMMAP(i, 28)); 438dbf9bfe6Sjack wang } 439dbf9bfe6Sjack wang 440dbf9bfe6Sjack wang return str - buf; 441dbf9bfe6Sjack wang } 442dbf9bfe6Sjack wang static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); 443dbf9bfe6Sjack wang 444d078b511SAnand Kumar Santhanam /** 445d078b511SAnand Kumar Santhanam ** pm8001_ctl_fatal_log_show - fatal error logging 446d078b511SAnand Kumar Santhanam ** @cdev:pointer to embedded class device 447d078b511SAnand Kumar Santhanam ** @buf: the buffer returned 448d078b511SAnand Kumar Santhanam ** 449d078b511SAnand Kumar Santhanam ** A sysfs 'read-only' shost attribute. 450d078b511SAnand Kumar Santhanam **/ 451d078b511SAnand Kumar Santhanam 452d078b511SAnand Kumar Santhanam static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev, 453d078b511SAnand Kumar Santhanam struct device_attribute *attr, char *buf) 454d078b511SAnand Kumar Santhanam { 455d078b511SAnand Kumar Santhanam u32 count; 456d078b511SAnand Kumar Santhanam 457d078b511SAnand Kumar Santhanam count = pm80xx_get_fatal_dump(cdev, attr, buf); 458d078b511SAnand Kumar Santhanam return count; 459d078b511SAnand Kumar Santhanam } 460d078b511SAnand Kumar Santhanam 461d078b511SAnand Kumar Santhanam static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL); 462d078b511SAnand Kumar Santhanam 463d078b511SAnand Kumar Santhanam 464d078b511SAnand Kumar Santhanam /** 465d078b511SAnand Kumar Santhanam ** pm8001_ctl_gsm_log_show - gsm dump collection 466d078b511SAnand Kumar Santhanam ** @cdev:pointer to embedded class device 467d078b511SAnand Kumar Santhanam ** @buf: the buffer returned 468d078b511SAnand Kumar Santhanam **A sysfs 'read-only' shost attribute. 469d078b511SAnand Kumar Santhanam **/ 470d078b511SAnand Kumar Santhanam static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev, 471d078b511SAnand Kumar Santhanam struct device_attribute *attr, char *buf) 472d078b511SAnand Kumar Santhanam { 473d078b511SAnand Kumar Santhanam u32 count; 474d078b511SAnand Kumar Santhanam 475d078b511SAnand Kumar Santhanam count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf); 476d078b511SAnand Kumar Santhanam return count; 477d078b511SAnand Kumar Santhanam } 478d078b511SAnand Kumar Santhanam 479d078b511SAnand Kumar Santhanam static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL); 480d078b511SAnand Kumar Santhanam 481dbf9bfe6Sjack wang #define FLASH_CMD_NONE 0x00 482dbf9bfe6Sjack wang #define FLASH_CMD_UPDATE 0x01 483dbf9bfe6Sjack wang #define FLASH_CMD_SET_NVMD 0x02 484dbf9bfe6Sjack wang 485dbf9bfe6Sjack wang struct flash_command { 486dbf9bfe6Sjack wang u8 command[8]; 487dbf9bfe6Sjack wang int code; 488dbf9bfe6Sjack wang }; 489dbf9bfe6Sjack wang 490dbf9bfe6Sjack wang static struct flash_command flash_command_table[] = 491dbf9bfe6Sjack wang { 492dbf9bfe6Sjack wang {"set_nvmd", FLASH_CMD_SET_NVMD}, 493dbf9bfe6Sjack wang {"update", FLASH_CMD_UPDATE}, 494dbf9bfe6Sjack wang {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ 495dbf9bfe6Sjack wang }; 496dbf9bfe6Sjack wang 497dbf9bfe6Sjack wang struct error_fw { 498dbf9bfe6Sjack wang char *reason; 499dbf9bfe6Sjack wang int err_code; 500dbf9bfe6Sjack wang }; 501dbf9bfe6Sjack wang 502dbf9bfe6Sjack wang static struct error_fw flash_error_table[] = 503dbf9bfe6Sjack wang { 504dbf9bfe6Sjack wang {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, 505dbf9bfe6Sjack wang {"image header mismatch", FLASH_UPDATE_HDR_ERR}, 506dbf9bfe6Sjack wang {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, 507dbf9bfe6Sjack wang {"image CRC Error", FLASH_UPDATE_CRC_ERR}, 508dbf9bfe6Sjack wang {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, 509dbf9bfe6Sjack wang {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, 510dbf9bfe6Sjack wang {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, 511dbf9bfe6Sjack wang {"Flash update disabled.", FLASH_UPDATE_DISABLED}, 512dbf9bfe6Sjack wang {"Flash in progress", FLASH_IN_PROGRESS}, 513dbf9bfe6Sjack wang {"Image file size Error", FAIL_FILE_SIZE}, 514dbf9bfe6Sjack wang {"Input parameter error", FAIL_PARAMETERS}, 515dbf9bfe6Sjack wang {"Out of memory", FAIL_OUT_MEMORY}, 516dbf9bfe6Sjack wang {"OK", 0} /* Last entry err_code = 0. */ 517dbf9bfe6Sjack wang }; 518dbf9bfe6Sjack wang 519dbf9bfe6Sjack wang static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) 520dbf9bfe6Sjack wang { 521dbf9bfe6Sjack wang struct pm8001_ioctl_payload *payload; 522dbf9bfe6Sjack wang DECLARE_COMPLETION_ONSTACK(completion); 523dbf9bfe6Sjack wang u8 *ioctlbuffer = NULL; 524dbf9bfe6Sjack wang u32 length = 0; 525dbf9bfe6Sjack wang u32 ret = 0; 526dbf9bfe6Sjack wang 527dbf9bfe6Sjack wang length = 1024 * 5 + sizeof(*payload) - 1; 528dbf9bfe6Sjack wang ioctlbuffer = kzalloc(length, GFP_KERNEL); 529dbf9bfe6Sjack wang if (!ioctlbuffer) 530dbf9bfe6Sjack wang return -ENOMEM; 531dbf9bfe6Sjack wang if ((pm8001_ha->fw_image->size <= 0) || 532dbf9bfe6Sjack wang (pm8001_ha->fw_image->size > 4096)) { 533dbf9bfe6Sjack wang ret = FAIL_FILE_SIZE; 534dbf9bfe6Sjack wang goto out; 535dbf9bfe6Sjack wang } 536dbf9bfe6Sjack wang payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 5371c75a679SSakthivel K memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, 538dbf9bfe6Sjack wang pm8001_ha->fw_image->size); 539dbf9bfe6Sjack wang payload->length = pm8001_ha->fw_image->size; 540dbf9bfe6Sjack wang payload->id = 0; 5411c75a679SSakthivel K payload->minor_function = 0x1; 542dbf9bfe6Sjack wang pm8001_ha->nvmd_completion = &completion; 543dbf9bfe6Sjack wang ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 544dbf9bfe6Sjack wang wait_for_completion(&completion); 545dbf9bfe6Sjack wang out: 546dbf9bfe6Sjack wang kfree(ioctlbuffer); 547dbf9bfe6Sjack wang return ret; 548dbf9bfe6Sjack wang } 549dbf9bfe6Sjack wang 550dbf9bfe6Sjack wang static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 551dbf9bfe6Sjack wang { 552dbf9bfe6Sjack wang struct pm8001_ioctl_payload *payload; 553dbf9bfe6Sjack wang DECLARE_COMPLETION_ONSTACK(completion); 554dbf9bfe6Sjack wang u8 *ioctlbuffer = NULL; 555dbf9bfe6Sjack wang u32 length = 0; 556dbf9bfe6Sjack wang struct fw_control_info *fwControl; 557dbf9bfe6Sjack wang u32 loopNumber, loopcount = 0; 558dbf9bfe6Sjack wang u32 sizeRead = 0; 559dbf9bfe6Sjack wang u32 partitionSize, partitionSizeTmp; 560dbf9bfe6Sjack wang u32 ret = 0; 561dbf9bfe6Sjack wang u32 partitionNumber = 0; 562dbf9bfe6Sjack wang struct pm8001_fw_image_header *image_hdr; 563dbf9bfe6Sjack wang 564dbf9bfe6Sjack wang length = 1024 * 16 + sizeof(*payload) - 1; 565dbf9bfe6Sjack wang ioctlbuffer = kzalloc(length, GFP_KERNEL); 566dbf9bfe6Sjack wang image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 567dbf9bfe6Sjack wang if (!ioctlbuffer) 568dbf9bfe6Sjack wang return -ENOMEM; 569dbf9bfe6Sjack wang if (pm8001_ha->fw_image->size < 28) { 570dbf9bfe6Sjack wang ret = FAIL_FILE_SIZE; 571dbf9bfe6Sjack wang goto out; 572dbf9bfe6Sjack wang } 573dbf9bfe6Sjack wang 574dbf9bfe6Sjack wang while (sizeRead < pm8001_ha->fw_image->size) { 575dbf9bfe6Sjack wang partitionSizeTmp = 576dbf9bfe6Sjack wang *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 577dbf9bfe6Sjack wang partitionSize = be32_to_cpu(partitionSizeTmp); 578dbf9bfe6Sjack wang loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE; 579dbf9bfe6Sjack wang if (loopcount % IOCTL_BUF_SIZE) 580dbf9bfe6Sjack wang loopcount++; 581dbf9bfe6Sjack wang if (loopcount == 0) 582dbf9bfe6Sjack wang loopcount++; 583dbf9bfe6Sjack wang for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 584dbf9bfe6Sjack wang payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 585dbf9bfe6Sjack wang payload->length = 1024*16; 586dbf9bfe6Sjack wang payload->id = 0; 587dbf9bfe6Sjack wang fwControl = 5881c75a679SSakthivel K (struct fw_control_info *)&payload->func_specific; 589dbf9bfe6Sjack wang fwControl->len = IOCTL_BUF_SIZE; /* IN */ 590dbf9bfe6Sjack wang fwControl->size = partitionSize + HEADER_LEN;/* IN */ 591dbf9bfe6Sjack wang fwControl->retcode = 0;/* OUT */ 592dbf9bfe6Sjack wang fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 593dbf9bfe6Sjack wang 594dbf9bfe6Sjack wang /* for the last chunk of data in case file size is not even with 595dbf9bfe6Sjack wang 4k, load only the rest*/ 596dbf9bfe6Sjack wang if (((loopcount-loopNumber) == 1) && 597dbf9bfe6Sjack wang ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 598dbf9bfe6Sjack wang fwControl->len = 599dbf9bfe6Sjack wang (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 600dbf9bfe6Sjack wang memcpy((u8 *)fwControl->buffer, 601dbf9bfe6Sjack wang (u8 *)pm8001_ha->fw_image->data + sizeRead, 602dbf9bfe6Sjack wang (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 603dbf9bfe6Sjack wang sizeRead += 604dbf9bfe6Sjack wang (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 605dbf9bfe6Sjack wang } else { 606dbf9bfe6Sjack wang memcpy((u8 *)fwControl->buffer, 607dbf9bfe6Sjack wang (u8 *)pm8001_ha->fw_image->data + sizeRead, 608dbf9bfe6Sjack wang IOCTL_BUF_SIZE); 609dbf9bfe6Sjack wang sizeRead += IOCTL_BUF_SIZE; 610dbf9bfe6Sjack wang } 611dbf9bfe6Sjack wang 612dbf9bfe6Sjack wang pm8001_ha->nvmd_completion = &completion; 613dbf9bfe6Sjack wang ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 614dbf9bfe6Sjack wang wait_for_completion(&completion); 615dbf9bfe6Sjack wang if (ret || (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS)) { 616dbf9bfe6Sjack wang ret = fwControl->retcode; 617dbf9bfe6Sjack wang kfree(ioctlbuffer); 618dbf9bfe6Sjack wang ioctlbuffer = NULL; 619dbf9bfe6Sjack wang break; 620dbf9bfe6Sjack wang } 621dbf9bfe6Sjack wang } 622dbf9bfe6Sjack wang if (ret) 623dbf9bfe6Sjack wang break; 624dbf9bfe6Sjack wang partitionNumber++; 625dbf9bfe6Sjack wang } 626dbf9bfe6Sjack wang out: 627dbf9bfe6Sjack wang kfree(ioctlbuffer); 628dbf9bfe6Sjack wang return ret; 629dbf9bfe6Sjack wang } 630dbf9bfe6Sjack wang static ssize_t pm8001_store_update_fw(struct device *cdev, 631dbf9bfe6Sjack wang struct device_attribute *attr, 632dbf9bfe6Sjack wang const char *buf, size_t count) 633dbf9bfe6Sjack wang { 634dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 635dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 636dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 637dbf9bfe6Sjack wang char *cmd_ptr, *filename_ptr; 638dbf9bfe6Sjack wang int res, i; 639dbf9bfe6Sjack wang int flash_command = FLASH_CMD_NONE; 640dbf9bfe6Sjack wang int err = 0; 641dbf9bfe6Sjack wang if (!capable(CAP_SYS_ADMIN)) 642dbf9bfe6Sjack wang return -EACCES; 643dbf9bfe6Sjack wang 644dbf9bfe6Sjack wang cmd_ptr = kzalloc(count*2, GFP_KERNEL); 645dbf9bfe6Sjack wang 646dbf9bfe6Sjack wang if (!cmd_ptr) { 647dbf9bfe6Sjack wang err = FAIL_OUT_MEMORY; 648dbf9bfe6Sjack wang goto out; 649dbf9bfe6Sjack wang } 650dbf9bfe6Sjack wang 651dbf9bfe6Sjack wang filename_ptr = cmd_ptr + count; 652dbf9bfe6Sjack wang res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 653dbf9bfe6Sjack wang if (res != 2) { 654dbf9bfe6Sjack wang err = FAIL_PARAMETERS; 655dbf9bfe6Sjack wang goto out1; 656dbf9bfe6Sjack wang } 657dbf9bfe6Sjack wang 658dbf9bfe6Sjack wang for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 659dbf9bfe6Sjack wang if (!memcmp(flash_command_table[i].command, 660dbf9bfe6Sjack wang cmd_ptr, strlen(cmd_ptr))) { 661dbf9bfe6Sjack wang flash_command = flash_command_table[i].code; 662dbf9bfe6Sjack wang break; 663dbf9bfe6Sjack wang } 664dbf9bfe6Sjack wang } 665dbf9bfe6Sjack wang if (flash_command == FLASH_CMD_NONE) { 666dbf9bfe6Sjack wang err = FAIL_PARAMETERS; 667dbf9bfe6Sjack wang goto out1; 668dbf9bfe6Sjack wang } 669dbf9bfe6Sjack wang 670dbf9bfe6Sjack wang if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) { 671dbf9bfe6Sjack wang err = FLASH_IN_PROGRESS; 672dbf9bfe6Sjack wang goto out1; 673dbf9bfe6Sjack wang } 674dbf9bfe6Sjack wang err = request_firmware(&pm8001_ha->fw_image, 675dbf9bfe6Sjack wang filename_ptr, 676dbf9bfe6Sjack wang pm8001_ha->dev); 677dbf9bfe6Sjack wang 678dbf9bfe6Sjack wang if (err) { 679dbf9bfe6Sjack wang PM8001_FAIL_DBG(pm8001_ha, 680dbf9bfe6Sjack wang pm8001_printk("Failed to load firmware image file %s," 681dbf9bfe6Sjack wang " error %d\n", filename_ptr, err)); 682dbf9bfe6Sjack wang err = FAIL_OPEN_BIOS_FILE; 683dbf9bfe6Sjack wang goto out1; 684dbf9bfe6Sjack wang } 685dbf9bfe6Sjack wang 686dbf9bfe6Sjack wang switch (flash_command) { 687dbf9bfe6Sjack wang case FLASH_CMD_UPDATE: 688dbf9bfe6Sjack wang pm8001_ha->fw_status = FLASH_IN_PROGRESS; 689dbf9bfe6Sjack wang err = pm8001_update_flash(pm8001_ha); 690dbf9bfe6Sjack wang break; 691dbf9bfe6Sjack wang case FLASH_CMD_SET_NVMD: 692dbf9bfe6Sjack wang pm8001_ha->fw_status = FLASH_IN_PROGRESS; 693dbf9bfe6Sjack wang err = pm8001_set_nvmd(pm8001_ha); 694dbf9bfe6Sjack wang break; 695dbf9bfe6Sjack wang default: 696dbf9bfe6Sjack wang pm8001_ha->fw_status = FAIL_PARAMETERS; 697dbf9bfe6Sjack wang err = FAIL_PARAMETERS; 698dbf9bfe6Sjack wang break; 699dbf9bfe6Sjack wang } 700dbf9bfe6Sjack wang release_firmware(pm8001_ha->fw_image); 701dbf9bfe6Sjack wang out1: 702dbf9bfe6Sjack wang kfree(cmd_ptr); 703dbf9bfe6Sjack wang out: 704dbf9bfe6Sjack wang pm8001_ha->fw_status = err; 705dbf9bfe6Sjack wang 706dbf9bfe6Sjack wang if (!err) 707dbf9bfe6Sjack wang return count; 708dbf9bfe6Sjack wang else 709dbf9bfe6Sjack wang return -err; 710dbf9bfe6Sjack wang } 711dbf9bfe6Sjack wang 712dbf9bfe6Sjack wang static ssize_t pm8001_show_update_fw(struct device *cdev, 713dbf9bfe6Sjack wang struct device_attribute *attr, char *buf) 714dbf9bfe6Sjack wang { 715dbf9bfe6Sjack wang int i; 716dbf9bfe6Sjack wang struct Scsi_Host *shost = class_to_shost(cdev); 717dbf9bfe6Sjack wang struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 718dbf9bfe6Sjack wang struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 719dbf9bfe6Sjack wang 720dbf9bfe6Sjack wang for (i = 0; flash_error_table[i].err_code != 0; i++) { 721dbf9bfe6Sjack wang if (flash_error_table[i].err_code == pm8001_ha->fw_status) 722dbf9bfe6Sjack wang break; 723dbf9bfe6Sjack wang } 724dbf9bfe6Sjack wang if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) 725dbf9bfe6Sjack wang pm8001_ha->fw_status = FLASH_OK; 726dbf9bfe6Sjack wang 727dbf9bfe6Sjack wang return snprintf(buf, PAGE_SIZE, "status=%x %s\n", 728dbf9bfe6Sjack wang flash_error_table[i].err_code, 729dbf9bfe6Sjack wang flash_error_table[i].reason); 730dbf9bfe6Sjack wang } 731dbf9bfe6Sjack wang 732dbf9bfe6Sjack wang static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUGO, 733dbf9bfe6Sjack wang pm8001_show_update_fw, pm8001_store_update_fw); 734dbf9bfe6Sjack wang struct device_attribute *pm8001_host_attrs[] = { 735dbf9bfe6Sjack wang &dev_attr_interface_rev, 736dbf9bfe6Sjack wang &dev_attr_fw_version, 737dbf9bfe6Sjack wang &dev_attr_update_fw, 738dbf9bfe6Sjack wang &dev_attr_aap_log, 739dbf9bfe6Sjack wang &dev_attr_iop_log, 740d078b511SAnand Kumar Santhanam &dev_attr_fatal_log, 741d078b511SAnand Kumar Santhanam &dev_attr_gsm_log, 742dbf9bfe6Sjack wang &dev_attr_max_out_io, 743dbf9bfe6Sjack wang &dev_attr_max_devices, 744dbf9bfe6Sjack wang &dev_attr_max_sg_list, 745dbf9bfe6Sjack wang &dev_attr_sas_spec_support, 746dbf9bfe6Sjack wang &dev_attr_logging_level, 747dbf9bfe6Sjack wang &dev_attr_host_sas_address, 748966fdcffSAnand Kumar Santhanam &dev_attr_bios_version, 749d078b511SAnand Kumar Santhanam &dev_attr_ib_log, 750d078b511SAnand Kumar Santhanam &dev_attr_ob_log, 751dbf9bfe6Sjack wang NULL, 752dbf9bfe6Sjack wang }; 753dbf9bfe6Sjack wang 754