static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
unsigned int mode;
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;
mode = (pm8001_ha->main_cfg_tbl.ctrl_cap_flag & 0xfe000000)>>25;
return show_sas_spec_support_status(mode, buf);
}
static ssize_t pm8001_ctl_max_sg_list_show(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;
return snprintf(buf, PAGE_SIZE, "%04d\n",
pm8001_ha->main_cfg_tbl.max_sgl & 0x0000FFFF);
}
/**
* pm8001_scan_start - we should enable all HBA phys by sending the phy_start
* command to HBA.
* @shost: the scsi host data.
*/
void pm8001_scan_start(struct Scsi_Host *shost)
{
int i;
struct pm8001_hba_info *pm8001_ha;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
pm8001_ha = sha->lldd_ha;
PM8001_CHIP_DISP->sas_re_init_req(pm8001_ha);
for (i = 0; i < pm8001_ha->chip->n_phy; ++i)
PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
}
int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost);
/* give the phy enabling interrupt event time to come in (1s
* is empirically about all it takes) */
if (time < HZ)
return 0;
/* Wait for discovery to finish */
sas_drain_work(ha);
return 1;
}
/**
* pm8001_scan_start - we should enable all HBA phys by sending the phy_start
* command to HBA.
* @shost: the scsi host data.
*/
void pm8001_scan_start(struct Scsi_Host *shost)
{
int i;
struct pm8001_hba_info *pm8001_ha;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
pm8001_ha = sha->lldd_ha;
/* SAS_RE_INITIALIZATION not available in SPCv/ve */
if (pm8001_ha->chip_id == chip_8001)
PM8001_CHIP_DISP->sas_re_init_req(pm8001_ha);
for (i = 0; i < pm8001_ha->chip->n_phy; ++i)
PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
}
static ssize_t pm8001_ctl_fw_version_show(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;
return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 24),
(u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 16),
(u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 8),
(u8)(pm8001_ha->main_cfg_tbl.firmware_rev));
}
static ssize_t pm8001_ctl_logging_level_store(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;
int val = 0;
if (sscanf(buf, "%x", &val) != 1)
return -EINVAL;
pm8001_ha->logging_level = val;
return strlen(buf);
}
/**
* pm8001_ctl_mpi_interface_rev_show - MPI interface revision number
* @cdev: pointer to embedded class device
* @buf: the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t pm8001_ctl_mpi_interface_rev_show(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;
if (pm8001_ha->chip_id == chip_8001) {
return snprintf(buf, PAGE_SIZE, "%d\n",
pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev);
} else {
return snprintf(buf, PAGE_SIZE, "%d\n",
pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev);
}
}
static ssize_t pm8001_show_update_fw(struct device *cdev,
struct device_attribute *attr, char *buf)
{
int i;
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;
for (i = 0; flash_error_table[i].err_code != 0; i++) {
if (flash_error_table[i].err_code == pm8001_ha->fw_status)
break;
}
if (pm8001_ha->fw_status != FLASH_IN_PROGRESS)
pm8001_ha->fw_status = FLASH_OK;
return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
flash_error_table[i].err_code,
flash_error_table[i].reason);
}
int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
struct request *rsp)
{
u8 *req_data = NULL, *resp_data = NULL, *buf;
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
int error = -EINVAL;
/* eight is the minimum size for request and response frames */
if (blk_rq_bytes(req) < 8 || blk_rq_bytes(rsp) < 8)
goto out;
if (bio_offset(req->bio) + blk_rq_bytes(req) > PAGE_SIZE ||
bio_offset(rsp->bio) + blk_rq_bytes(rsp) > PAGE_SIZE) {
shost_printk(KERN_ERR, shost,
"SMP request/response frame crosses page boundary");
goto out;
}
req_data = kzalloc(blk_rq_bytes(req), GFP_KERNEL);
/* make sure frame can always be built ... we copy
* back only the requested length */
resp_data = kzalloc(max(blk_rq_bytes(rsp), 128U), GFP_KERNEL);
if (!req_data || !resp_data) {
error = -ENOMEM;
goto out;
}
local_irq_disable();
buf = kmap_atomic(bio_page(req->bio), KM_USER0) + bio_offset(req->bio);
memcpy(req_data, buf, blk_rq_bytes(req));
kunmap_atomic(buf - bio_offset(req->bio), KM_USER0);
local_irq_enable();
if (req_data[0] != SMP_REQUEST)
goto out;
/* always succeeds ... even if we can't process the request
* the result is in the response frame */
error = 0;
/* set up default don't know response */
resp_data[0] = SMP_RESPONSE;
resp_data[1] = req_data[1];
resp_data[2] = SMP_RESP_FUNC_UNK;
switch (req_data[1]) {
case SMP_REPORT_GENERAL:
req->resid_len -= 8;
rsp->resid_len -= 32;
resp_data[2] = SMP_RESP_FUNC_ACC;
resp_data[9] = sas_ha->num_phys;
break;
case SMP_REPORT_MANUF_INFO:
req->resid_len -= 8;
rsp->resid_len -= 64;
resp_data[2] = SMP_RESP_FUNC_ACC;
memcpy(resp_data + 12, shost->hostt->name,
SAS_EXPANDER_VENDOR_ID_LEN);
memcpy(resp_data + 20, "libsas virt phy",
SAS_EXPANDER_PRODUCT_ID_LEN);
break;
case SMP_READ_GPIO_REG:
/* FIXME: need GPIO support in the transport class */
break;
case SMP_DISCOVER:
req->resid_len -= 16;
if ((int)req->resid_len < 0) {
req->resid_len = 0;
error = -EINVAL;
goto out;
}
rsp->resid_len -= 56;
sas_host_smp_discover(sas_ha, resp_data, req_data[9]);
break;
case SMP_REPORT_PHY_ERR_LOG:
/* FIXME: could implement this with additional
* libsas callbacks providing the HW supports it */
break;
case SMP_REPORT_PHY_SATA:
req->resid_len -= 16;
if ((int)req->resid_len < 0) {
req->resid_len = 0;
error = -EINVAL;
goto out;
}
rsp->resid_len -= 60;
sas_report_phy_sata(sas_ha, resp_data, req_data[9]);
break;
case SMP_REPORT_ROUTE_INFO:
/* Can't implement; hosts have no routes */
break;
case SMP_WRITE_GPIO_REG:
/* FIXME: need GPIO support in the transport class */
break;
case SMP_CONF_ROUTE_INFO:
/* Can't implement; hosts have no routes */
break;
case SMP_PHY_CONTROL:
req->resid_len -= 44;
if ((int)req->resid_len < 0) {
req->resid_len = 0;
error = -EINVAL;
goto out;
}
rsp->resid_len -= 8;
sas_phy_control(sas_ha, req_data[9], req_data[10],
req_data[32] >> 4, req_data[33] >> 4,
resp_data);
break;
case SMP_PHY_TEST_FUNCTION:
/* FIXME: should this be implemented? */
break;
default:
/* probably a 2.0 function */
break;
}
local_irq_disable();
buf = kmap_atomic(bio_page(rsp->bio), KM_USER0) + bio_offset(rsp->bio);
memcpy(buf, resp_data, blk_rq_bytes(rsp));
flush_kernel_dcache_page(bio_page(rsp->bio));
kunmap_atomic(buf - bio_offset(rsp->bio), KM_USER0);
local_irq_enable();
out:
kfree(req_data);
kfree(resp_data);
return error;
}
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;
}
