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Diffstat (limited to 'drivers/scsi/pm8001/pm8001_ctl.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_ctl.c1041
1 files changed, 1041 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
new file mode 100644
index 0000000000..5c26a13ffb
--- /dev/null
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -0,0 +1,1041 @@
+/*
+ * PMC-Sierra 8001/8081/8088/8089 SAS/SATA based host adapters driver
+ *
+ * Copyright (c) 2008-2009 USI Co., Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include "pm8001_sas.h"
+#include "pm8001_ctl.h"
+#include "pm8001_chips.h"
+
+/* scsi host attributes */
+
+/**
+ * pm8001_ctl_mpi_interface_rev_show - MPI interface revision number
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @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 sysfs_emit(buf, "%d\n",
+ pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev);
+ } else {
+ return sysfs_emit(buf, "%d\n",
+ pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev);
+ }
+}
+static
+DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);
+
+/**
+ * controller_fatal_error_show - check controller is under fatal err
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t controller_fatal_error_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 sysfs_emit(buf, "%d\n",
+ pm8001_ha->controller_fatal_error);
+}
+static DEVICE_ATTR_RO(controller_fatal_error);
+
+/**
+ * pm8001_ctl_fw_version_show - firmware version
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+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;
+
+ if (pm8001_ha->chip_id == chip_8001) {
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
+ (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24),
+ (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16),
+ (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8),
+ (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev));
+ } else {
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev));
+ }
+}
+static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL);
+
+/**
+ * pm8001_ctl_ila_version_show - ila version
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_ila_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;
+
+ if (pm8001_ha->chip_id != chip_8001) {
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version));
+ }
+ return 0;
+}
+static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL);
+
+/**
+ * pm8001_ctl_inactive_fw_version_show - Inactive firmware version number
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_inactive_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;
+
+ if (pm8001_ha->chip_id != chip_8001) {
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8),
+ (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version));
+ }
+ return 0;
+}
+static
+DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL);
+
+/**
+ * pm8001_ctl_max_out_io_show - max outstanding io supported
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_max_out_io_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 sysfs_emit(buf, "%d\n",
+ pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io);
+ } else {
+ return sysfs_emit(buf, "%d\n",
+ pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io);
+ }
+}
+static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL);
+/**
+ * pm8001_ctl_max_devices_show - max devices support
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_max_devices_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 sysfs_emit(buf, "%04d\n",
+ (u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16));
+ } else {
+ return sysfs_emit(buf, "%04d\n",
+ (u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16));
+ }
+}
+static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL);
+/**
+ * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no
+ * hardware limitation
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+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;
+
+ if (pm8001_ha->chip_id == chip_8001) {
+ return sysfs_emit(buf, "%04d\n",
+ pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF);
+ } else {
+ return sysfs_emit(buf, "%04d\n",
+ pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF);
+ }
+}
+static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL);
+
+#define SAS_1_0 0x1
+#define SAS_1_1 0x2
+#define SAS_2_0 0x4
+
+static ssize_t
+show_sas_spec_support_status(unsigned int mode, char *buf)
+{
+ ssize_t len = 0;
+
+ if (mode & SAS_1_1)
+ len = sprintf(buf, "%s", "SAS1.1");
+ if (mode & SAS_2_0)
+ len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0");
+ len += sprintf(buf + len, "\n");
+
+ return len;
+}
+
+/**
+ * pm8001_ctl_sas_spec_support_show - sas spec supported
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+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;
+ /* fe000000 means supports SAS2.1 */
+ if (pm8001_ha->chip_id == chip_8001)
+ mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag &
+ 0xfe000000)>>25;
+ else
+ /* fe000000 means supports SAS2.1 */
+ mode = (pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag &
+ 0xfe000000)>>25;
+ return show_sas_spec_support_status(mode, buf);
+}
+static DEVICE_ATTR(sas_spec_support, S_IRUGO,
+ pm8001_ctl_sas_spec_support_show, NULL);
+
+/**
+ * pm8001_ctl_host_sas_address_show - sas address
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * This is the controller sas address
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_host_sas_address_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 sysfs_emit(buf, "0x%016llx\n",
+ be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr));
+}
+static DEVICE_ATTR(host_sas_address, S_IRUGO,
+ pm8001_ctl_host_sas_address_show, NULL);
+
+/**
+ * pm8001_ctl_logging_level_show - logging level
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read/write' shost attribute.
+ */
+static ssize_t pm8001_ctl_logging_level_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 sysfs_emit(buf, "%08xh\n", pm8001_ha->logging_level);
+}
+
+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);
+}
+
+static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
+ pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store);
+/**
+ * pm8001_ctl_aap_log_show - aap1 event log
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_aap_log_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;
+ u8 *ptr = (u8 *)pm8001_ha->memoryMap.region[AAP1].virt_ptr;
+ int i;
+
+ char *str = buf;
+ int max = 2;
+ for (i = 0; i < max; i++) {
+ str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x"
+ "0x%08x 0x%08x\n",
+ pm8001_ctl_aap1_memmap(ptr, i, 0),
+ pm8001_ctl_aap1_memmap(ptr, i, 4),
+ pm8001_ctl_aap1_memmap(ptr, i, 8),
+ pm8001_ctl_aap1_memmap(ptr, i, 12),
+ pm8001_ctl_aap1_memmap(ptr, i, 16),
+ pm8001_ctl_aap1_memmap(ptr, i, 20),
+ pm8001_ctl_aap1_memmap(ptr, i, 24),
+ pm8001_ctl_aap1_memmap(ptr, i, 28));
+ }
+
+ return str - buf;
+}
+static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL);
+/**
+ * pm8001_ctl_ib_queue_log_show - Out bound Queue log
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_ib_queue_log_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;
+ int offset;
+ char *str = buf;
+ int start = 0;
+ u32 ib_offset = pm8001_ha->ib_offset;
+ u32 queue_size = pm8001_ha->max_q_num * PM8001_MPI_QUEUE * 128;
+#define IB_MEMMAP(c) \
+ (*(u32 *)((u8 *)pm8001_ha-> \
+ memoryMap.region[ib_offset].virt_ptr + \
+ pm8001_ha->evtlog_ib_offset + (c)))
+
+ for (offset = 0; offset < IB_OB_READ_TIMES; offset++) {
+ str += sprintf(str, "0x%08x\n", IB_MEMMAP(start));
+ start = start + 4;
+ }
+ pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET;
+ if (((pm8001_ha->evtlog_ib_offset) % queue_size) == 0)
+ pm8001_ha->evtlog_ib_offset = 0;
+
+ return str - buf;
+}
+
+static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL);
+/**
+ * pm8001_ctl_ob_queue_log_show - Out bound Queue log
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static ssize_t pm8001_ctl_ob_queue_log_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;
+ int offset;
+ char *str = buf;
+ int start = 0;
+ u32 ob_offset = pm8001_ha->ob_offset;
+ u32 queue_size = pm8001_ha->max_q_num * PM8001_MPI_QUEUE * 128;
+#define OB_MEMMAP(c) \
+ (*(u32 *)((u8 *)pm8001_ha-> \
+ memoryMap.region[ob_offset].virt_ptr + \
+ pm8001_ha->evtlog_ob_offset + (c)))
+
+ for (offset = 0; offset < IB_OB_READ_TIMES; offset++) {
+ str += sprintf(str, "0x%08x\n", OB_MEMMAP(start));
+ start = start + 4;
+ }
+ pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET;
+ if (((pm8001_ha->evtlog_ob_offset) % queue_size) == 0)
+ pm8001_ha->evtlog_ob_offset = 0;
+
+ return str - buf;
+}
+static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL);
+/**
+ * pm8001_ctl_bios_version_show - Bios version Display
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf:the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_bios_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;
+ char *str = buf;
+ int bios_index;
+ DECLARE_COMPLETION_ONSTACK(completion);
+ struct pm8001_ioctl_payload payload;
+
+ pm8001_ha->nvmd_completion = &completion;
+ payload.minor_function = 7;
+ payload.offset = 0;
+ payload.rd_length = 4096;
+ payload.func_specific = kzalloc(4096, GFP_KERNEL);
+ if (!payload.func_specific)
+ return -ENOMEM;
+ if (PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload)) {
+ kfree(payload.func_specific);
+ return -ENOMEM;
+ }
+ wait_for_completion(&completion);
+ for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT;
+ bios_index++)
+ str += sprintf(str, "%c",
+ *(payload.func_specific+bios_index));
+ kfree(payload.func_specific);
+ return str - buf;
+}
+static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL);
+/**
+ * event_log_size_show - event log size
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs read shost attribute.
+ */
+static ssize_t event_log_size_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 sysfs_emit(buf, "%d\n",
+ pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
+}
+static DEVICE_ATTR_RO(event_log_size);
+/**
+ * pm8001_ctl_iop_log_show - IOP event log
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_iop_log_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;
+ char *str = buf;
+ u32 read_size =
+ pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024;
+ static u32 start, end, count;
+ u32 max_read_times = 32;
+ u32 max_count = (read_size * 1024) / (max_read_times * 4);
+ u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr;
+
+ if ((count % max_count) == 0) {
+ start = 0;
+ end = max_read_times;
+ count = 0;
+ } else {
+ start = end;
+ end = end + max_read_times;
+ }
+
+ for (; start < end; start++)
+ str += sprintf(str, "%08x ", *(temp+start));
+ count++;
+ return str - buf;
+}
+static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
+
+/**
+ * pm8001_ctl_fatal_log_show - fatal error logging
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+
+static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
+ struct device_attribute *attr, char *buf)
+{
+ ssize_t count;
+
+ count = pm80xx_get_fatal_dump(cdev, attr, buf);
+ return count;
+}
+
+static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
+
+/**
+ * non_fatal_log_show - non fatal error logging
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t non_fatal_log_show(struct device *cdev,
+ struct device_attribute *attr, char *buf)
+{
+ u32 count;
+
+ count = pm80xx_get_non_fatal_dump(cdev, attr, buf);
+ return count;
+}
+static DEVICE_ATTR_RO(non_fatal_log);
+
+static ssize_t non_fatal_count_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 sysfs_emit(buf, "%08x\n",
+ pm8001_ha->non_fatal_count);
+}
+
+static ssize_t non_fatal_count_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 (kstrtoint(buf, 16, &val) != 0)
+ return -EINVAL;
+
+ pm8001_ha->non_fatal_count = val;
+ return strlen(buf);
+}
+static DEVICE_ATTR_RW(non_fatal_count);
+
+/**
+ * pm8001_ctl_gsm_log_show - gsm dump collection
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev,
+ struct device_attribute *attr, char *buf)
+{
+ ssize_t count;
+
+ count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf);
+ return count;
+}
+
+static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL);
+
+#define FLASH_CMD_NONE 0x00
+#define FLASH_CMD_UPDATE 0x01
+#define FLASH_CMD_SET_NVMD 0x02
+
+struct flash_command {
+ u8 command[8];
+ int code;
+};
+
+static const struct flash_command flash_command_table[] = {
+ {"set_nvmd", FLASH_CMD_SET_NVMD},
+ {"update", FLASH_CMD_UPDATE},
+ {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
+};
+
+struct error_fw {
+ char *reason;
+ int err_code;
+};
+
+static const struct error_fw flash_error_table[] = {
+ {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE},
+ {"image header mismatch", FLASH_UPDATE_HDR_ERR},
+ {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR},
+ {"image CRC Error", FLASH_UPDATE_CRC_ERR},
+ {"image length Error.", FLASH_UPDATE_LENGTH_ERR},
+ {"Failed to program flash chip", FLASH_UPDATE_HW_ERR},
+ {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED},
+ {"Flash update disabled.", FLASH_UPDATE_DISABLED},
+ {"Flash in progress", FLASH_IN_PROGRESS},
+ {"Image file size Error", FAIL_FILE_SIZE},
+ {"Input parameter error", FAIL_PARAMETERS},
+ {"Out of memory", FAIL_OUT_MEMORY},
+ {"OK", 0} /* Last entry err_code = 0. */
+};
+
+static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha)
+{
+ struct pm8001_ioctl_payload *payload;
+ DECLARE_COMPLETION_ONSTACK(completion);
+ u8 *ioctlbuffer;
+ u32 ret;
+ u32 length = 1024 * 5 + sizeof(*payload) - 1;
+
+ if (pm8001_ha->fw_image->size > 4096) {
+ pm8001_ha->fw_status = FAIL_FILE_SIZE;
+ return -EFAULT;
+ }
+
+ ioctlbuffer = kzalloc(length, GFP_KERNEL);
+ if (!ioctlbuffer) {
+ pm8001_ha->fw_status = FAIL_OUT_MEMORY;
+ return -ENOMEM;
+ }
+ payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
+ memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data,
+ pm8001_ha->fw_image->size);
+ payload->wr_length = pm8001_ha->fw_image->size;
+ payload->id = 0;
+ payload->minor_function = 0x1;
+ pm8001_ha->nvmd_completion = &completion;
+ ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload);
+ if (ret) {
+ pm8001_ha->fw_status = FAIL_OUT_MEMORY;
+ goto out;
+ }
+ wait_for_completion(&completion);
+out:
+ kfree(ioctlbuffer);
+ return ret;
+}
+
+static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha)
+{
+ struct pm8001_ioctl_payload *payload;
+ DECLARE_COMPLETION_ONSTACK(completion);
+ u8 *ioctlbuffer;
+ struct fw_control_info *fwControl;
+ __be32 partitionSizeTmp;
+ u32 partitionSize;
+ u32 loopNumber, loopcount;
+ struct pm8001_fw_image_header *image_hdr;
+ u32 sizeRead = 0;
+ u32 ret = 0;
+ u32 length = 1024 * 16 + sizeof(*payload) - 1;
+ u32 fc_len;
+ u8 *read_buf;
+
+ if (pm8001_ha->fw_image->size < 28) {
+ pm8001_ha->fw_status = FAIL_FILE_SIZE;
+ return -EFAULT;
+ }
+ ioctlbuffer = kzalloc(length, GFP_KERNEL);
+ if (!ioctlbuffer) {
+ pm8001_ha->fw_status = FAIL_OUT_MEMORY;
+ return -ENOMEM;
+ }
+ image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data;
+ while (sizeRead < pm8001_ha->fw_image->size) {
+ partitionSizeTmp =
+ *(__be32 *)((u8 *)&image_hdr->image_length + sizeRead);
+ partitionSize = be32_to_cpu(partitionSizeTmp);
+ loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN,
+ IOCTL_BUF_SIZE);
+ for (loopNumber = 0; loopNumber < loopcount; loopNumber++) {
+ payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
+ payload->wr_length = 1024*16;
+ payload->id = 0;
+ fwControl =
+ (struct fw_control_info *)&payload->func_specific;
+ fwControl->len = IOCTL_BUF_SIZE; /* IN */
+ fwControl->size = partitionSize + HEADER_LEN;/* IN */
+ fwControl->retcode = 0;/* OUT */
+ fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */
+
+ /*
+ * for the last chunk of data in case file size is
+ * not even with 4k, load only the rest
+ */
+
+ read_buf = (u8 *)pm8001_ha->fw_image->data + sizeRead;
+ fc_len = (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
+
+ if (loopcount - loopNumber == 1 && fc_len) {
+ fwControl->len = fc_len;
+ memcpy((u8 *)fwControl->buffer, read_buf, fc_len);
+ sizeRead += fc_len;
+ } else {
+ memcpy((u8 *)fwControl->buffer, read_buf, IOCTL_BUF_SIZE);
+ sizeRead += IOCTL_BUF_SIZE;
+ }
+
+ pm8001_ha->nvmd_completion = &completion;
+ ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload);
+ if (ret) {
+ pm8001_ha->fw_status = FAIL_OUT_MEMORY;
+ goto out;
+ }
+ wait_for_completion(&completion);
+ if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) {
+ pm8001_ha->fw_status = fwControl->retcode;
+ ret = -EFAULT;
+ goto out;
+ }
+ }
+ }
+out:
+ kfree(ioctlbuffer);
+ return ret;
+}
+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 ret;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+
+ /* this test protects us from running two flash processes at once,
+ * so we should start with this test */
+ if (pm8001_ha->fw_status == FLASH_IN_PROGRESS)
+ return -EINPROGRESS;
+ pm8001_ha->fw_status = FLASH_IN_PROGRESS;
+
+ cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
+ if (!cmd_ptr) {
+ pm8001_ha->fw_status = FAIL_OUT_MEMORY;
+ return -ENOMEM;
+ }
+
+ filename_ptr = cmd_ptr + count;
+ res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
+ if (res != 2) {
+ pm8001_ha->fw_status = FAIL_PARAMETERS;
+ ret = -EINVAL;
+ goto out;
+ }
+
+ 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) {
+ pm8001_ha->fw_status = FAIL_PARAMETERS;
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = request_firmware(&pm8001_ha->fw_image,
+ filename_ptr,
+ pm8001_ha->dev);
+
+ if (ret) {
+ pm8001_dbg(pm8001_ha, FAIL,
+ "Failed to load firmware image file %s, error %d\n",
+ filename_ptr, ret);
+ pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE;
+ goto out;
+ }
+
+ if (FLASH_CMD_UPDATE == flash_command)
+ ret = pm8001_update_flash(pm8001_ha);
+ else
+ ret = pm8001_set_nvmd(pm8001_ha);
+
+ release_firmware(pm8001_ha->fw_image);
+out:
+ kfree(cmd_ptr);
+
+ if (ret)
+ return ret;
+
+ pm8001_ha->fw_status = FLASH_OK;
+ return count;
+}
+
+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);
+}
+static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP,
+ pm8001_show_update_fw, pm8001_store_update_fw);
+
+static const char *const mpiStateText[] = {
+ "MPI is not initialized",
+ "MPI is successfully initialized",
+ "MPI termination is in progress",
+ "MPI initialization failed with error in [31:16]"
+};
+
+/**
+ * ctl_mpi_state_show - controller MPI state check
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t ctl_mpi_state_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;
+ unsigned int mpidw0;
+
+ mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0);
+ return sysfs_emit(buf, "%s\n", mpiStateText[mpidw0 & 0x0003]);
+}
+static DEVICE_ATTR_RO(ctl_mpi_state);
+
+/**
+ * ctl_hmi_error_show - controller MPI initialization fails
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t ctl_hmi_error_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;
+ unsigned int mpidw0;
+
+ mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0);
+ return sysfs_emit(buf, "0x%08x\n", (mpidw0 >> 16));
+}
+static DEVICE_ATTR_RO(ctl_hmi_error);
+
+/**
+ * ctl_raae_count_show - controller raae count check
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t ctl_raae_count_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;
+ unsigned int raaecnt;
+
+ raaecnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 12);
+ return sysfs_emit(buf, "0x%08x\n", raaecnt);
+}
+static DEVICE_ATTR_RO(ctl_raae_count);
+
+/**
+ * ctl_iop0_count_show - controller iop0 count check
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t ctl_iop0_count_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;
+ unsigned int iop0cnt;
+
+ iop0cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 16);
+ return sysfs_emit(buf, "0x%08x\n", iop0cnt);
+}
+static DEVICE_ATTR_RO(ctl_iop0_count);
+
+/**
+ * ctl_iop1_count_show - controller iop1 count check
+ * @cdev: pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t ctl_iop1_count_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;
+ unsigned int iop1cnt;
+
+ iop1cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 20);
+ return sysfs_emit(buf, "0x%08x\n", iop1cnt);
+
+}
+static DEVICE_ATTR_RO(ctl_iop1_count);
+
+static struct attribute *pm8001_host_attrs[] = {
+ &dev_attr_interface_rev.attr,
+ &dev_attr_controller_fatal_error.attr,
+ &dev_attr_fw_version.attr,
+ &dev_attr_update_fw.attr,
+ &dev_attr_aap_log.attr,
+ &dev_attr_iop_log.attr,
+ &dev_attr_fatal_log.attr,
+ &dev_attr_non_fatal_log.attr,
+ &dev_attr_non_fatal_count.attr,
+ &dev_attr_gsm_log.attr,
+ &dev_attr_max_out_io.attr,
+ &dev_attr_max_devices.attr,
+ &dev_attr_max_sg_list.attr,
+ &dev_attr_sas_spec_support.attr,
+ &dev_attr_logging_level.attr,
+ &dev_attr_event_log_size.attr,
+ &dev_attr_host_sas_address.attr,
+ &dev_attr_bios_version.attr,
+ &dev_attr_ib_log.attr,
+ &dev_attr_ob_log.attr,
+ &dev_attr_ila_version.attr,
+ &dev_attr_inc_fw_ver.attr,
+ &dev_attr_ctl_mpi_state.attr,
+ &dev_attr_ctl_hmi_error.attr,
+ &dev_attr_ctl_raae_count.attr,
+ &dev_attr_ctl_iop0_count.attr,
+ &dev_attr_ctl_iop1_count.attr,
+ NULL,
+};
+
+static const struct attribute_group pm8001_host_attr_group = {
+ .attrs = pm8001_host_attrs
+};
+
+const struct attribute_group *pm8001_host_groups[] = {
+ &pm8001_host_attr_group,
+ NULL
+};