mptsas: support link error attributes[2 round] - and phy_reset attributes

diff -uarN b/drivers/message/fusion/mptbase.h a/drivers/message/fusion/mptbase.h
@@ -77,8 +77,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2005 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.03.03"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.03.03"
+#define MPT_LINUX_VERSION_COMMON	"3.03.04"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.03.04"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \

@@ -421,6 +421,17 @@
 	struct semaphore	 sem_ioc;
 } MPT_IOCTL;
 
+#define MPT_SAS_MGMT_STATUS_RF_VALID	0x02	/* The Reply Frame is VALID */
+#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD	0x10	/* Command Status GOOD */
+#define MPT_SAS_MGMT_STATUS_TM_FAILED	0x40	/* User TM request failed */
+
+typedef struct _MPT_SAS_MGMT {
+	struct semaphore	 mutex;
+	struct completion	 done;
+	u8			 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
+	u8			 status;	/* current command status */
+}MPT_SAS_MGMT;
+
 /*
  *  Event Structure and define
  */

@@ -604,6 +615,7 @@
 	struct list_head	 list;
 	struct net_device	*netdev;
 	struct list_head	 sas_topology;
+	MPT_SAS_MGMT		 sas_mgmt;
 } MPT_ADAPTER;
 
 /*

200 lines not on this page · raw message

diff -uarN b/drivers/scsi/scsi_transport_sas.c a/drivers/scsi/scsi_transport_sas.c
@@ -34,7 +34,7 @@
 
 
 #define SAS_HOST_ATTRS		0
-#define SAS_PORT_ATTRS		15
+#define SAS_PORT_ATTRS		17
 #define SAS_RPORT_ATTRS		5
 
 struct sas_internal {

@@ -286,9 +286,36 @@
 		return snprintf(buf, 20, "none\n");
 	return get_sas_device_type_names(phy->identify.device_type, buf);
 }
-
 static CLASS_DEVICE_ATTR(device_type, S_IRUGO, show_sas_device_type, NULL);
 
+static ssize_t do_sas_phy_reset(struct class_device *cdev,
+		size_t count, int hard_reset)
+{
+	struct sas_phy *phy = transport_class_to_phy(cdev);
+	struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
+	struct sas_internal *i = to_sas_internal(shost->transportt);
+	int error;
+
+	error = i->f->phy_reset(phy, hard_reset);
+	if (error)
+		return error;
+	return count;
+};
+
+static ssize_t store_sas_link_reset(struct class_device *cdev,
+		const char *buf, size_t count)
+{
+	return do_sas_phy_reset(cdev, count, 0);
+}
+static CLASS_DEVICE_ATTR(link_reset, S_IWUSR, NULL, store_sas_link_reset);
+
+static ssize_t store_sas_hard_reset(struct class_device *cdev,
+		const char *buf, size_t count)
+{
+	return do_sas_phy_reset(cdev, count, 1);
+}
+static CLASS_DEVICE_ATTR(hard_reset, S_IWUSR, NULL, store_sas_hard_reset);
+
 sas_phy_protocol_attr(identify.initiator_port_protocols,
 		initiator_port_protocols);
 sas_phy_protocol_attr(identify.target_port_protocols,

@@ -722,6 +749,13 @@
         i->phy_attrs[count] = &i->private_phy_attrs[count];		\
 	count++
 
+#define SETUP_PORT_ATTRIBUTE_WRONLY(field)				\
+	i->private_phy_attrs[count] = class_device_attr_##field;	\
+	i->private_phy_attrs[count].attr.mode = S_IWUGO;		\
+	i->private_phy_attrs[count].show = NULL;			\
+	i->phy_attrs[count] = &i->private_phy_attrs[count];		\
+	count++
+
 
 /**
  * sas_attach_transport  --  instantiate SAS transport template

@@ -778,6 +812,8 @@
 	SETUP_PORT_ATTRIBUTE(running_disparity_error_count);
 	SETUP_PORT_ATTRIBUTE(loss_of_dword_sync_count);
 	SETUP_PORT_ATTRIBUTE(phy_reset_problem_count);
+	SETUP_PORT_ATTRIBUTE_WRONLY(link_reset);
+	SETUP_PORT_ATTRIBUTE_WRONLY(hard_reset);
 	i->phy_attrs[count] = NULL;
 
 	count = 0;

diff -uarN b/include/scsi/scsi_transport_sas.h a/include/scsi/scsi_transport_sas.h
@@ -57,10 +57,10 @@
 	u8			port_identifier;
 
 	/* link error statistics */
-	u32			invalid_dword_count;
-	u32			running_disparity_error_count;
-	u32			loss_of_dword_sync_count;
-	u32			phy_reset_problem_count;
+	u32                     invalid_dword_count;
+	u32                     running_disparity_error_count;
+	u32                     loss_of_dword_sync_count;
+	u32                     phy_reset_problem_count;
 
 	/* the other end of the link */
 	struct sas_rphy		*rphy;

@@ -87,10 +87,10 @@
 #define rphy_to_shost(rphy) \
 	dev_to_shost((rphy)->dev.parent)
 
-
 /* The functions by which the transport class and the driver communicate */
 struct sas_function_template {
 	int (*get_linkerrors)(struct sas_phy *);
+	int (*phy_reset)(struct sas_phy *, int);
 };