[devices]: Add GPIO interrupt enable for Z9100/S6100 and transceiver-plug-inout-event for Z9100 (#2025)

device/dell/x86_64-dell_z9100_c2538-r0/plugins/sfputil.py

@@ -4,7 +4,10 @@
 #
 
 try:
+    import os
+    import logging
     import time
+    import select
     from sonic_sfp.sfputilbase import SfpUtilBase
 except ImportError as e:
     raise ImportError("%s - required module not found" % str(e))
@@ -337,3 +340,70 @@ class SfpUtil(SfpUtilBase):
         reg_file.close()
 
         return True
+
+    def get_register(self, reg_file):
+            retval = 'ERR'
+
+            if (not os.path.isfile(reg_file)):
+                print reg_file,  'not found !'
+                return retval
+
+            try:
+                with open(reg_file, 'r') as fd:
+                    retval = fd.read()
+            except Exception as error:
+                logging.error("Unable to open ", reg_file, "file !")
+
+            retval = retval.rstrip('\r\n')
+            retval = retval.lstrip(" ")
+            return retval
+
+    def get_transceiver_change_event(self, timeout=0):
+            epoll = select.epoll()
+            port_dict = {}
+            try:
+               # We get notified when there is an SCI interrupt from GPIO SUS6
+               fd = open("/sys/devices/platform/dell_ich.0/sci_int_gpio_sus6", "r")
+               epoll.register(fd.fileno(), select.EPOLLIN)
+               events = epoll.poll(timeout=timeout if timeout != 0 else -1)
+               if events:
+                  # Read the QSFP ABS interrupt & status registers
+                  cpld2_abs_int = self.get_register("/sys/class/i2c-adapter/i2c-14/14-003e/qsfp_abs_int")
+                  cpld2_abs_sta = self.get_register("/sys/class/i2c-adapter/i2c-14/14-003e/qsfp_abs_sta")
+                  cpld3_abs_int = self.get_register("/sys/class/i2c-adapter/i2c-15/15-003e/qsfp_abs_int")
+                  cpld3_abs_sta = self.get_register("/sys/class/i2c-adapter/i2c-15/15-003e/qsfp_abs_sta")
+                  cpld4_abs_int = self.get_register("/sys/class/i2c-adapter/i2c-16/16-003e/qsfp_abs_int")
+                  cpld4_abs_sta = self.get_register("/sys/class/i2c-adapter/i2c-16/16-003e/qsfp_abs_sta")
+
+                  if (cpld2_abs_int == 'ERR' or cpld2_abs_sta == 'ERR' or \
+                      cpld3_abs_int == 'ERR' or cpld3_abs_sta == 'ERR' or \
+                      cpld4_abs_int == 'ERR' or cpld4_abs_sta == 'ERR' ):
+                      return False, {}
+
+                  cpld2_abs_int = int(cpld2_abs_int, 16) 
+                  cpld2_abs_sta = int(cpld2_abs_sta, 16) 
+                  cpld3_abs_int = int(cpld3_abs_int, 16) 
+                  cpld3_abs_sta = int(cpld3_abs_sta, 16) 
+                  cpld4_abs_int = int(cpld4_abs_int, 16) 
+                  cpld4_abs_sta = int(cpld4_abs_sta, 16) 
+
+                  # Make it contiguous (discard reserved bits)
+                  interrupt_reg = (cpld2_abs_int & 0xfff) | ((cpld3_abs_int & 0x3ff) << 12) | ((cpld4_abs_int & 0x3ff) << 22)
+                  status_reg    = (cpld2_abs_sta & 0xfff) | ((cpld3_abs_sta & 0x3ff) << 12) | ((cpld4_abs_sta & 0x3ff) << 22)
+
+                  port=self.port_start
+                  while port <= self.port_end:
+                      if interrupt_reg & (1<<port)):
+                          if status_reg & (1<<port)):
+                              # status reg 1 => optics is removed 
+                              port_dict[port] = '0'
+                          else:
+                              # status reg 0 => optics is inserted
+                              port_dict[port] = '1'
+                      port += 1
+                  return True, port_dict
+            finally:
+                  fd.close()
+                  epoll.close()
+
+            return False, {}

platform/broadcom/sonic-platform-modules-dell/debian/rules

@@ -14,9 +14,11 @@ COMMON_DIR := common
 override_dh_auto_build:
 	(for mod in $(MODULE_DIRS); do \
 		if [ $$mod = "s6100" ]; then \
-			cp $(COMMON_DIR)/*.c $(MOD_SRC_DIR)/$${mod}/modules/dell_s6100_lpc.c; \
+			cp $(COMMON_DIR)/dell_pmc.c $(MOD_SRC_DIR)/$${mod}/modules/dell_s6100_lpc.c; \
+			cp $(COMMON_DIR)/dell_ich.c $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
 		elif [ $$mod = "z9100" ]; then \
-			cp $(COMMON_DIR)/*.c $(MOD_SRC_DIR)/$${mod}/modules/dell_mailbox.c; \
+			cp $(COMMON_DIR)/dell_pmc.c $(MOD_SRC_DIR)/$${mod}/modules/dell_mailbox.c; \
+			cp $(COMMON_DIR)/dell_ich.c $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
 		fi; \
 		echo "making man page alias $$mod -> $$mod APIs";\
 		make -C $(KERNEL_SRC)/build M=$(MOD_SRC_DIR)/$${mod}/modules; \
@@ -37,8 +39,10 @@ override_dh_clean:
 	(for mod in $(MODULE_DIRS); do \
 		if [ $$mod = "s6100" ]; then \
 			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_s6100_lpc.c; \
+			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
 		elif [ $$mod = "z9100" ]; then \
 			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_mailbox.c; \
+			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
 		fi; \
 		make -C $(KERNEL_SRC)/build M=$(MOD_SRC_DIR)/$${mod}/modules clean; \
 	done)

platform/broadcom/sonic-platform-modules-dell/s6100/modules/Makefile

@@ -1,2 +1,2 @@
-obj-m := dell_s6100_iom_cpld.o dell_s6100_lpc.o
+obj-m := dell_s6100_iom_cpld.o dell_s6100_lpc.o dell_ich.o
 

platform/broadcom/sonic-platform-modules-dell/s6100/modules/dell_s6100_iom_cpld.c

@@ -26,6 +26,21 @@
 #define  QSFP_MOD_PRS_REG0 0x16 
 #define  QSFP_MOD_PRS_REG1 0x17 
 
+//qsfp interrupt registers
+#define  QSFP_INT_STA_REG0 0x14
+#define  QSFP_INT_STA_REG1 0x15
+#define  QSFP_ABS_STA_REG0 0x16
+#define  QSFP_ABS_STA_REG1 0x17
+#define  QSFP_TRIG_MOD     0x20
+#define  QSFP_INT_COMBINE  0x21
+#define  QSFP_INT0         0x22
+#define  QSFP_INT1         0x23
+#define  QSFP_ABS_INT0     0x24
+#define  QSFP_ABS_INT1     0x25
+#define  QSFP_INT_MASK0    0x26
+#define  QSFP_INT_MASK1    0x27
+#define  QSFP_ABS_MASK0    0x28
+#define  QSFP_ABS_MASK1    0x29
 
 struct cpld_data {
     struct i2c_client *client;
@@ -182,16 +197,219 @@ static ssize_t set_reset(struct device *dev, struct device_attribute *devattr, c
     return count;
 }
 
+static ssize_t get_int_sta(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_INT_STA_REG0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_INT_STA_REG1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_abs_sta(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_STA_REG0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_STA_REG1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_trig_mod(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u8 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_TRIG_MOD);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u8)ret & 0xff;
+    return sprintf(buf,"0x%02x\n",devdata);
+}
+
+static ssize_t set_trig_mod(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count)
+{
+    unsigned long devdata;
+    int err;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    err = kstrtoul(buf, 16, &devdata);
+    if (err)
+        return err;
+
+    dell_s6100_iom_cpld_write(data,IOM_CPLD_SLAVE_ADD,QSFP_TRIG_MOD,(u8)(devdata & 0xff));
+
+    return count;
+}
+
+static ssize_t get_int_combine(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u8 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_INT_COMBINE);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u8)ret & 0xff;
+    return sprintf(buf,"0x%02x\n",devdata);
+}
+
+static ssize_t get_int(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_INT0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_INT1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_abs_int(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_INT0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_INT1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_int_mask(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_INT_MASK0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_INT_MASK1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t set_int_mask(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count)
+{
+    unsigned long devdata;
+    int err;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    err = kstrtoul(buf, 16, &devdata);
+    if (err)
+        return err;
+
+    dell_s6100_iom_cpld_write(data,IOM_CPLD_SLAVE_ADD,QSFP_INT_MASK0,(u8)(devdata & 0xff));
+    dell_s6100_iom_cpld_write(data,IOM_CPLD_SLAVE_ADD,QSFP_INT_MASK1,(u8)((devdata >> 8) & 0xff));
+
+    return count;
+}
+
+static ssize_t get_abs_mask(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_MASK0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_s6100_iom_cpld_read(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_MASK1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t set_abs_mask(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count)
+{
+    unsigned long devdata;
+    int err;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    err = kstrtoul(buf, 16, &devdata);
+    if (err)
+        return err;
+
+    dell_s6100_iom_cpld_write(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_MASK0,(u8)(devdata & 0xff));
+    dell_s6100_iom_cpld_write(data,IOM_CPLD_SLAVE_ADD,QSFP_ABS_MASK1,(u8)((devdata >> 8) & 0xff));
+
+    return count;
+}
+
 static DEVICE_ATTR(iom_cpld_vers,S_IRUGO,get_cpldver, NULL);
 static DEVICE_ATTR(qsfp_modprs, S_IRUGO,get_modprs, NULL);
 static DEVICE_ATTR(qsfp_lpmode, S_IRUGO | S_IWUSR,get_lpmode,set_lpmode);
 static DEVICE_ATTR(qsfp_reset,  S_IRUGO | S_IWUSR,get_reset, set_reset);
+static DEVICE_ATTR(qsfp_int_sta, S_IRUGO, get_int_sta, NULL);
+static DEVICE_ATTR(qsfp_abs_sta, S_IRUGO, get_abs_sta, NULL);
+static DEVICE_ATTR(qsfp_trig_mod, S_IRUGO | S_IWUSR, get_trig_mod, set_trig_mod);
+static DEVICE_ATTR(qsfp_int_combine, S_IRUGO, get_int_combine, NULL);
+static DEVICE_ATTR(qsfp_int, S_IRUGO, get_int, NULL);
+static DEVICE_ATTR(qsfp_abs_int, S_IRUGO, get_abs_int, NULL);
+static DEVICE_ATTR(qsfp_int_mask, S_IRUGO | S_IWUSR, get_int_mask, set_int_mask);
+static DEVICE_ATTR(qsfp_abs_mask, S_IRUGO | S_IWUSR, get_abs_mask, set_abs_mask);
 
 static struct attribute *i2c_cpld_attrs[] = {
     &dev_attr_qsfp_lpmode.attr,
     &dev_attr_qsfp_reset.attr,
     &dev_attr_qsfp_modprs.attr,
     &dev_attr_iom_cpld_vers.attr,
+    &dev_attr_qsfp_int_sta.attr,
+    &dev_attr_qsfp_abs_sta.attr,
+    &dev_attr_qsfp_trig_mod.attr,
+    &dev_attr_qsfp_int_combine.attr,
+    &dev_attr_qsfp_int.attr,
+    &dev_attr_qsfp_abs_int.attr,
+    &dev_attr_qsfp_int_mask.attr,
+    &dev_attr_qsfp_abs_mask.attr,
     NULL,
 };
 

platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_platform.sh

@@ -171,11 +171,32 @@ switch_board_qsfp_lpmode() {
     echo $value > /sys/class/i2c-adapter/i2c-17/17-003e/qsfp_lpmode
 }
 
+# Enable/Disable xcvr presence interrupts
+xcvr_presence_interrupts() {
+    case $1 in
+        "enable")
+                      for ((i=14;i<=17;i++));
+                      do
+                          echo 0x0 > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
+                      done
+                      ;;
+        "disable")
+                      for ((i=14;i<=17;i++));
+                      do
+                          echo 0xffff > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
+                      done
+                      ;;
+        *)            echo "s6100_platform: xcvr_presence_interrupts: invalid command !"
+                      ;;
+    esac
+}
+
 init_devnum
 
 if [[ "$1" == "init" ]]; then
     modprobe i2c-dev
     modprobe i2c-mux-pca954x force_deselect_on_exit=1
+    modprobe dell_ich
     modprobe dell_s6100_iom_cpld
     modprobe dell_s6100_lpc
 
@@ -187,7 +208,9 @@ if [[ "$1" == "init" ]]; then
     switch_board_sfp "new_device"
     switch_board_qsfp "new_device"
     switch_board_qsfp_lpmode "disable"
+    xcvr_presence_interrupts "enable"
 elif [[ "$1" == "deinit" ]]; then
+    xcvr_presence_interrupts "disable"
     switch_board_sfp "delete_device"
     switch_board_cpld "delete_device"
     switch_board_mux "delete_device"
@@ -200,6 +223,7 @@ elif [[ "$1" == "deinit" ]]; then
     modprobe -r dell_s6100_iom_cpld
     modprobe -r i2c-mux-pca954x
     modprobe -r i2c-dev
+    modprobe -r dell_ich
 else
      echo "s6100_platform : Invalid option !"
 fi

platform/broadcom/sonic-platform-modules-dell/z9100/modules/Makefile

@@ -1,2 +1,2 @@
-obj-m := dell_mailbox.o dell_z9100_cpld.o
+obj-m := dell_mailbox.o dell_z9100_cpld.o dell_ich.o
 

platform/broadcom/sonic-platform-modules-dell/z9100/modules/dell_z9100_cpld.c

@@ -32,6 +32,21 @@
 #define  QSFP_MOD_PRS_REG0 0x16 
 #define  QSFP_MOD_PRS_REG1 0x17 
 
+//qsfp interrupt registers
+#define  QSFP_INT_STA_REG0 0x14
+#define  QSFP_INT_STA_REG1 0x15
+#define  QSFP_ABS_STA_REG0 0x16
+#define  QSFP_ABS_STA_REG1 0x17
+#define  QSFP_TRIG_MOD     0x20
+#define  QSFP_INT_COMBINE  0x21
+#define  QSFP_INT0         0x22
+#define  QSFP_INT1         0x23
+#define  QSFP_ABS_INT0     0x24
+#define  QSFP_ABS_INT1     0x25
+#define  QSFP_INT_MASK0    0x26
+#define  QSFP_INT_MASK1    0x27
+#define  QSFP_ABS_MASK0    0x28
+#define  QSFP_ABS_MASK1    0x29
 
 struct cpld_data {
     struct i2c_client *client;
@@ -189,16 +204,219 @@ static ssize_t set_reset(struct device *dev, struct device_attribute *devattr, c
     return count;
 }
 
+static ssize_t get_int_sta(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_INT_STA_REG0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_INT_STA_REG1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_abs_sta(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_ABS_STA_REG0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_ABS_STA_REG1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_trig_mod(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u8 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_TRIG_MOD);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u8)ret & 0xff;
+    return sprintf(buf,"0x%02x\n",devdata);
+}
+
+static ssize_t set_trig_mod(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count)
+{
+    unsigned long devdata;
+    int err;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    err = kstrtoul(buf, 16, &devdata);
+    if (err)
+        return err;
+
+    dell_z9100_iom_cpld_write(data,QSFP_TRIG_MOD,(u8)(devdata & 0xff));
+
+    return count;
+}
+
+static ssize_t get_int_combine(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u8 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_INT_COMBINE);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u8)ret & 0xff;
+    return sprintf(buf,"0x%02x\n",devdata);
+}
+
+static ssize_t get_int(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_INT0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_INT1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_abs_int(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_ABS_INT0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_ABS_INT1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t get_int_mask(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_INT_MASK0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_INT_MASK1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t set_int_mask(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count)
+{
+    unsigned long devdata;
+    int err;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    err = kstrtoul(buf, 16, &devdata);
+    if (err)
+        return err;
+
+    dell_z9100_iom_cpld_write(data,QSFP_INT_MASK0,(u8)(devdata & 0xff));
+    dell_z9100_iom_cpld_write(data,QSFP_INT_MASK1,(u8)((devdata >> 8) & 0xff));
+
+    return count;
+}
+
+static ssize_t get_abs_mask(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+    int ret;
+    u16 devdata=0;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_ABS_MASK0);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata = (u16)ret & 0xff;
+
+    ret = dell_z9100_iom_cpld_read(data,QSFP_ABS_MASK1);
+    if(ret < 0)
+        return sprintf(buf, "read error");
+    devdata |= (u16)(ret & 0xff) << 8;
+
+    return sprintf(buf,"0x%04x\n",devdata);
+}
+
+static ssize_t set_abs_mask(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count)
+{
+    unsigned long devdata;
+    int err;
+    struct cpld_data *data = dev_get_drvdata(dev);
+
+    err = kstrtoul(buf, 16, &devdata);
+    if (err)
+        return err;
+
+    dell_z9100_iom_cpld_write(data,QSFP_ABS_MASK0,(u8)(devdata & 0xff));
+    dell_z9100_iom_cpld_write(data,QSFP_ABS_MASK1,(u8)((devdata >> 8) & 0xff));
+
+    return count;
+}
+
 static DEVICE_ATTR(iom_cpld_vers,S_IRUGO,get_cpldver, NULL);
 static DEVICE_ATTR(qsfp_modprs, S_IRUGO,get_modprs, NULL);
 static DEVICE_ATTR(qsfp_lpmode, S_IRUGO | S_IWUSR,get_lpmode,set_lpmode);
 static DEVICE_ATTR(qsfp_reset,  S_IRUGO | S_IWUSR,get_reset, set_reset);
+static DEVICE_ATTR(qsfp_int_sta, S_IRUGO, get_int_sta, NULL);
+static DEVICE_ATTR(qsfp_abs_sta, S_IRUGO, get_abs_sta, NULL);
+static DEVICE_ATTR(qsfp_trig_mod, S_IRUGO | S_IWUSR, get_trig_mod, set_trig_mod);
+static DEVICE_ATTR(qsfp_int_combine, S_IRUGO, get_int_combine, NULL);
+static DEVICE_ATTR(qsfp_int, S_IRUGO, get_int, NULL);
+static DEVICE_ATTR(qsfp_abs_int, S_IRUGO, get_abs_int, NULL);
+static DEVICE_ATTR(qsfp_int_mask, S_IRUGO | S_IWUSR, get_int_mask, set_int_mask);
+static DEVICE_ATTR(qsfp_abs_mask, S_IRUGO | S_IWUSR, get_abs_mask, set_abs_mask);
 
 static struct attribute *i2c_cpld_attrs[] = {
     &dev_attr_qsfp_lpmode.attr,
     &dev_attr_qsfp_reset.attr,
     &dev_attr_qsfp_modprs.attr,
     &dev_attr_iom_cpld_vers.attr,
+    &dev_attr_qsfp_int_sta.attr,
+    &dev_attr_qsfp_abs_sta.attr,
+    &dev_attr_qsfp_trig_mod.attr,
+    &dev_attr_qsfp_int_combine.attr,
+    &dev_attr_qsfp_int.attr,
+    &dev_attr_qsfp_abs_int.attr,
+    &dev_attr_qsfp_int_mask.attr,
+    &dev_attr_qsfp_abs_mask.attr,
     NULL,
 };
 

platform/broadcom/sonic-platform-modules-dell/z9100/scripts/z9100_platform.sh

@@ -136,11 +136,32 @@ switch_board_qsfp() {
     esac
 }
 
+# Enable/Disable xcvr presence interrupts
+xcvr_presence_interrupts() {
+    case $1 in
+        "enable")
+                      for ((i=14;i<=16;i++));
+                      do
+                          echo 0x0 > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
+                      done
+                      ;;
+        "disable")
+                      for ((i=14;i<=16;i++));
+                      do
+                          echo 0xffff > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
+                      done
+                      ;;
+        *)            echo "z9100_platform: xcvr_presence_interrupts: invalid command !"
+                      ;;
+    esac
+}
+
 init_devnum
 
 if [[ "$1" == "init" ]]; then
     modprobe i2c-dev
     modprobe i2c-mux-pca954x force_deselect_on_exit=1
+    modprobe dell_ich
     modprobe dell_mailbox
     modprobe dell_z9100_cpld
 
@@ -151,7 +172,9 @@ if [[ "$1" == "init" ]]; then
     switch_board_qsfp_mux "new_device"
     switch_board_sfp "new_device"
     switch_board_qsfp "new_device"
+    xcvr_presence_interrupts "enable"
 elif [[ "$1" == "deinit" ]]; then
+    xcvr_presence_interrupts "disable"
     switch_board_sfp "delete_device"
     switch_board_cpld "delete_device"
     switch_board_mux "delete_device"
@@ -164,6 +187,7 @@ elif [[ "$1" == "deinit" ]]; then
     modprobe -r dell_mailbox
     modprobe -r i2c-mux-pca954x
     modprobe -r i2c-dev
+    modprobe -r dell_ich
 else
      echo "z9100_platform : Invalid option !"
 fi