int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shift_value)
{
u32 reg_val;
unsigned long start;
pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, shift_value);
/* confirm the setting is written */
start = jiffies + HZ; /* 1 sec */
do {
reg_val = pm8001_cr32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER);
} while ((reg_val != shift_value) && time_before(jiffies, start));
if (reg_val != shift_value) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
" = 0x%x\n", reg_val));
return -1;
}
return 0;
}
static ssize_t pm8001_store_update_fw(struct device *cdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
char *cmd_ptr, *filename_ptr;
int res, i;
int flash_command = FLASH_CMD_NONE;
int err = 0;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
cmd_ptr = kzalloc(count*2, GFP_KERNEL);
if (!cmd_ptr) {
err = FAIL_OUT_MEMORY;
goto out;
}
filename_ptr = cmd_ptr + count;
res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
if (res != 2) {
err = FAIL_PARAMETERS;
goto out1;
}
for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
if (!memcmp(flash_command_table[i].command,
cmd_ptr, strlen(cmd_ptr))) {
flash_command = flash_command_table[i].code;
break;
}
}
if (flash_command == FLASH_CMD_NONE) {
err = FAIL_PARAMETERS;
goto out1;
}
if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) {
err = FLASH_IN_PROGRESS;
goto out1;
}
err = request_firmware(&pm8001_ha->fw_image,
filename_ptr,
pm8001_ha->dev);
if (err) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Failed to load firmware image file %s,"
" error %d\n", filename_ptr, err));
err = FAIL_OPEN_BIOS_FILE;
goto out1;
}
switch (flash_command) {
case FLASH_CMD_UPDATE:
pm8001_ha->fw_status = FLASH_IN_PROGRESS;
err = pm8001_update_flash(pm8001_ha);
break;
case FLASH_CMD_SET_NVMD:
pm8001_ha->fw_status = FLASH_IN_PROGRESS;
err = pm8001_set_nvmd(pm8001_ha);
break;
default:
pm8001_ha->fw_status = FAIL_PARAMETERS;
err = FAIL_PARAMETERS;
break;
}
release_firmware(pm8001_ha->fw_image);
out1:
kfree(cmd_ptr);
out:
pm8001_ha->fw_status = err;
if (!err)
return count;
else
return -err;
}
ssize_t pm80xx_get_fatal_dump(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
u32 accum_len , reg_val, index, *temp;
unsigned long start;
u8 *direct_data;
char *fatal_error_data = buf;
pm8001_ha->forensic_info.data_buf.direct_data = buf;
if (pm8001_ha->chip_id == chip_8001) {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
"Not supported for SPC controller");
return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
(char *)buf;
}
if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("forensic_info TYPE_NON_FATAL..............\n"));
direct_data = (u8 *)fatal_error_data;
pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
pm8001_ha->forensic_info.data_buf.read_len = 0;
pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
/* start to get data */
/* Program the MEMBASE II Shifting Register with 0x00.*/
pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
pm8001_ha->fatal_forensic_shift_offset);
pm8001_ha->forensic_last_offset = 0;
pm8001_ha->forensic_fatal_step = 0;
pm8001_ha->fatal_bar_loc = 0;
}
/* Read until accum_len is retrived */
accum_len = pm8001_mr32(fatal_table_address,
MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
PM8001_IO_DBG(pm8001_ha, pm8001_printk("accum_len 0x%x\n",
accum_len));
if (accum_len == 0xFFFFFFFF) {
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("Possible PCI issue 0x%x not expected\n",
accum_len));
return -EIO;
}
if (accum_len == 0 || accum_len >= 0x100000) {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
"%08x ", 0xFFFFFFFF);
return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
(char *)buf;
}
temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
if (pm8001_ha->forensic_fatal_step == 0) {
moreData:
if (pm8001_ha->forensic_info.data_buf.direct_data) {
/* Data is in bar, copy to host memory */
pm80xx_pci_mem_copy(pm8001_ha, pm8001_ha->fatal_bar_loc,
pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
pm8001_ha->forensic_info.data_buf.direct_len ,
1);
}
pm8001_ha->fatal_bar_loc +=
pm8001_ha->forensic_info.data_buf.direct_len;
pm8001_ha->forensic_info.data_buf.direct_offset +=
pm8001_ha->forensic_info.data_buf.direct_len;
pm8001_ha->forensic_last_offset +=
pm8001_ha->forensic_info.data_buf.direct_len;
pm8001_ha->forensic_info.data_buf.read_len =
pm8001_ha->forensic_info.data_buf.direct_len;
if (pm8001_ha->forensic_last_offset >= accum_len) {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
"%08x ", 3);
for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->
forensic_info.data_buf.direct_data,
"%08x ", *(temp + index));
}
pm8001_ha->fatal_bar_loc = 0;
pm8001_ha->forensic_fatal_step = 1;
pm8001_ha->fatal_forensic_shift_offset = 0;
pm8001_ha->forensic_last_offset = 0;
return (char *)pm8001_ha->
forensic_info.data_buf.direct_data -
(char *)buf;
}
if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->
forensic_info.data_buf.direct_data,
"%08x ", 2);
for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->
forensic_info.data_buf.direct_data,
"%08x ", *(temp + index));
}
return (char *)pm8001_ha->
forensic_info.data_buf.direct_data -
(char *)buf;
}
/* Increment the MEMBASE II Shifting Register value by 0x100.*/
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
"%08x ", 2);
for (index = 0; index < 256; index++) {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->
forensic_info.data_buf.direct_data,
"%08x ", *(temp + index));
}
pm8001_ha->fatal_forensic_shift_offset += 0x100;
pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
pm8001_ha->fatal_forensic_shift_offset);
pm8001_ha->fatal_bar_loc = 0;
return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
(char *)buf;
}
if (pm8001_ha->forensic_fatal_step == 1) {
pm8001_ha->fatal_forensic_shift_offset = 0;
/* Read 64K of the debug data. */
pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
pm8001_ha->fatal_forensic_shift_offset);
pm8001_mw32(fatal_table_address,
MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
MPI_FATAL_EDUMP_HANDSHAKE_RDY);
/* Poll FDDHSHK until clear */
start = jiffies + (2 * HZ); /* 2 sec */
do {
reg_val = pm8001_mr32(fatal_table_address,
MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
} while ((reg_val) && time_before(jiffies, start));
if (reg_val != 0) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
" = 0x%x\n", reg_val));
return -EIO;
}
/* Read the next 64K of the debug data. */
pm8001_ha->forensic_fatal_step = 0;
if (pm8001_mr32(fatal_table_address,
MPI_FATAL_EDUMP_TABLE_STATUS) !=
MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
pm8001_mw32(fatal_table_address,
MPI_FATAL_EDUMP_TABLE_HANDSHAKE, 0);
goto moreData;
} else {
pm8001_ha->forensic_info.data_buf.direct_data +=
sprintf(pm8001_ha->
forensic_info.data_buf.direct_data,
"%08x ", 4);
pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
pm8001_ha->forensic_info.data_buf.direct_len = 0;
pm8001_ha->forensic_info.data_buf.direct_offset = 0;
pm8001_ha->forensic_info.data_buf.read_len = 0;
}
}
return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
(char *)buf;
}