diff options
author | Kevin Hilman <khilman@linaro.org> | 2015-11-11 15:07:00 -0800 |
---|---|---|
committer | Kevin Hilman <khilman@linaro.org> | 2015-11-11 15:07:00 -0800 |
commit | c9e5228eb9632625c04800dcbd2a83dc0542fbce (patch) | |
tree | 68a9a5679292e19e29a682a1df854346a2973c00 /include | |
parent | 09147a74376428080eddfed0cbce2cab205c2508 (diff) | |
parent | 82c795655f6297b9efdcee2643ff937e1849ad83 (diff) |
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-android
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/cpufreq.h | 67 | ||||
-rw-r--r-- | include/linux/dcache.h | 59 | ||||
-rw-r--r-- | include/linux/fs.h | 2 | ||||
-rw-r--r-- | include/linux/if_link.h | 1 | ||||
-rw-r--r-- | include/linux/iio/iio.h | 17 | ||||
-rw-r--r-- | include/linux/netdevice.h | 8 | ||||
-rw-r--r-- | include/linux/pm_opp.h | 54 | ||||
-rw-r--r-- | include/linux/security.h | 2 | ||||
-rw-r--r-- | include/target/iscsi/iscsi_target_core.h | 904 | ||||
-rw-r--r-- | include/uapi/linux/if_link.h | 8 | ||||
-rw-r--r-- | include/xen/interface/sched.h | 8 |
11 files changed, 1101 insertions, 29 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 56ea8a336016..f5d52acd76b2 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -219,26 +219,26 @@ __ATTR(_name, 0644, show_##_name, store_##_name) struct cpufreq_driver { - char name[CPUFREQ_NAME_LEN]; - u8 flags; - void *driver_data; + char name[CPUFREQ_NAME_LEN]; + u8 flags; + void *driver_data; /* needed by all drivers */ - int (*init) (struct cpufreq_policy *policy); - int (*verify) (struct cpufreq_policy *policy); + int (*init)(struct cpufreq_policy *policy); + int (*verify)(struct cpufreq_policy *policy); /* define one out of two */ - int (*setpolicy) (struct cpufreq_policy *policy); + int (*setpolicy)(struct cpufreq_policy *policy); /* * On failure, should always restore frequency to policy->restore_freq * (i.e. old freq). */ - int (*target) (struct cpufreq_policy *policy, /* Deprecated */ - unsigned int target_freq, - unsigned int relation); - int (*target_index) (struct cpufreq_policy *policy, - unsigned int index); + int (*target)(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int relation); /* Deprecated */ + int (*target_index)(struct cpufreq_policy *policy, + unsigned int index); /* * Only for drivers with target_index() and CPUFREQ_ASYNC_NOTIFICATION * unset. @@ -254,27 +254,31 @@ struct cpufreq_driver { * wish to switch to intermediate frequency for some target frequency. * In that case core will directly call ->target_index(). */ - unsigned int (*get_intermediate)(struct cpufreq_policy *policy, - unsigned int index); - int (*target_intermediate)(struct cpufreq_policy *policy, - unsigned int index); + unsigned int (*get_intermediate)(struct cpufreq_policy *policy, + unsigned int index); + int (*target_intermediate)(struct cpufreq_policy *policy, + unsigned int index); /* should be defined, if possible */ - unsigned int (*get) (unsigned int cpu); + unsigned int (*get)(unsigned int cpu); /* optional */ - int (*bios_limit) (int cpu, unsigned int *limit); + int (*bios_limit)(int cpu, unsigned int *limit); + + int (*exit)(struct cpufreq_policy *policy); + void (*stop_cpu)(struct cpufreq_policy *policy); + int (*suspend)(struct cpufreq_policy *policy); + int (*resume)(struct cpufreq_policy *policy); - int (*exit) (struct cpufreq_policy *policy); - void (*stop_cpu) (struct cpufreq_policy *policy); - int (*suspend) (struct cpufreq_policy *policy); - int (*resume) (struct cpufreq_policy *policy); - struct freq_attr **attr; + /* Will be called after the driver is fully initialized */ + void (*ready)(struct cpufreq_policy *policy); + + struct freq_attr **attr; /* platform specific boost support code */ - bool boost_supported; - bool boost_enabled; - int (*set_boost) (int state); + bool boost_supported; + bool boost_enabled; + int (*set_boost)(int state); }; /* flags */ @@ -575,6 +579,8 @@ ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf); int cpufreq_boost_trigger_state(int state); int cpufreq_boost_supported(void); int cpufreq_boost_enabled(void); +int cpufreq_enable_boost_support(void); +bool policy_has_boost_freq(struct cpufreq_policy *policy); #else static inline int cpufreq_boost_trigger_state(int state) { @@ -588,12 +594,23 @@ static inline int cpufreq_boost_enabled(void) { return 0; } + +static inline int cpufreq_enable_boost_support(void) +{ + return -EINVAL; +} + +static inline bool policy_has_boost_freq(struct cpufreq_policy *policy) +{ + return false; +} #endif /* the following funtion is for cpufreq core use only */ struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu); /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; +extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs; extern struct freq_attr *cpufreq_generic_attr[]; int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 1c2f1b84468b..340ee0dae93b 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -160,6 +160,7 @@ struct dentry_operations { char *(*d_dname)(struct dentry *, char *, int); struct vfsmount *(*d_automount)(struct path *); int (*d_manage)(struct dentry *, bool); + struct inode *(*d_select_inode)(struct dentry *, unsigned); } ____cacheline_aligned; /* @@ -222,6 +223,7 @@ struct dentry_operations { #define DCACHE_FILE_TYPE 0x00400000 /* Other file type */ #define DCACHE_MAY_FREE 0x00800000 +#define DCACHE_OP_SELECT_INODE 0x02000000 /* Unioned entry: dcache op selects inode */ extern seqlock_t rename_lock; @@ -468,4 +470,61 @@ static inline unsigned long vfs_pressure_ratio(unsigned long val) { return mult_frac(val, sysctl_vfs_cache_pressure, 100); } + +/** + * d_inode - Get the actual inode of this dentry + * @dentry: The dentry to query + * + * This is the helper normal filesystems should use to get at their own inodes + * in their own dentries and ignore the layering superimposed upon them. + */ +static inline struct inode *d_inode(const struct dentry *dentry) +{ + return dentry->d_inode; +} + +/** + * d_inode_rcu - Get the actual inode of this dentry with ACCESS_ONCE() + * @dentry: The dentry to query + * + * This is the helper normal filesystems should use to get at their own inodes + * in their own dentries and ignore the layering superimposed upon them. + */ +static inline struct inode *d_inode_rcu(const struct dentry *dentry) +{ + return ACCESS_ONCE(dentry->d_inode); +} + +/** + * d_backing_inode - Get upper or lower inode we should be using + * @upper: The upper layer + * + * This is the helper that should be used to get at the inode that will be used + * if this dentry were to be opened as a file. The inode may be on the upper + * dentry or it may be on a lower dentry pinned by the upper. + * + * Normal filesystems should not use this to access their own inodes. + */ +static inline struct inode *d_backing_inode(const struct dentry *upper) +{ + struct inode *inode = upper->d_inode; + + return inode; +} + +/** + * d_backing_dentry - Get upper or lower dentry we should be using + * @upper: The upper layer + * + * This is the helper that should be used to get the dentry of the inode that + * will be used if this dentry were opened as a file. It may be the upper + * dentry or it may be a lower dentry pinned by the upper. + * + * Normal filesystems should not use this to access their own dentries. + */ +static inline struct dentry *d_backing_dentry(struct dentry *upper) +{ + return upper; +} + #endif /* __LINUX_DCACHE_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 84d672914bd8..6fd017e25c0a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1552,7 +1552,6 @@ struct inode_operations { int (*set_acl)(struct inode *, struct posix_acl *, int); /* WARNING: probably going away soon, do not use! */ - int (*dentry_open)(struct dentry *, struct file *, const struct cred *); } ____cacheline_aligned; ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector, @@ -2068,7 +2067,6 @@ extern struct file *file_open_name(struct filename *, int, umode_t); extern struct file *filp_open(const char *, int, umode_t); extern struct file *file_open_root(struct dentry *, struct vfsmount *, const char *, int); -extern int vfs_open(const struct path *, struct file *, const struct cred *); extern struct file * dentry_open(const struct path *, int, const struct cred *); extern int filp_close(struct file *, fl_owner_t id); diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 119130e9298b..da4929927f69 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -14,5 +14,6 @@ struct ifla_vf_info { __u32 linkstate; __u32 min_tx_rate; __u32 max_tx_rate; + __u32 rss_query_en; }; #endif /* _LINUX_IF_LINK_H */ diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 15dc6bc2bdd2..6c17af80823c 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -614,6 +614,15 @@ int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer, #define IIO_DEGREE_TO_RAD(deg) (((deg) * 314159ULL + 9000000ULL) / 18000000ULL) /** + * IIO_RAD_TO_DEGREE() - Convert rad to degree + * @rad: A value in rad + * + * Returns the given value converted from rad to degree + */ +#define IIO_RAD_TO_DEGREE(rad) \ + (((rad) * 18000000ULL + 314159ULL / 2) / 314159ULL) + +/** * IIO_G_TO_M_S_2() - Convert g to meter / second**2 * @g: A value in g * @@ -621,4 +630,12 @@ int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer, */ #define IIO_G_TO_M_S_2(g) ((g) * 980665ULL / 100000ULL) +/** + * IIO_M_S_2_TO_G() - Convert meter / second**2 to g + * @ms2: A value in meter / second**2 + * + * Returns the given value converted from meter / second**2 to g + */ +#define IIO_M_S_2_TO_G(ms2) (((ms2) * 100000ULL + 980665ULL / 2) / 980665ULL) + #endif /* _INDUSTRIAL_IO_H_ */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c3fd34da6c08..70fde9c5c61d 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -859,6 +859,11 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev, * int (*ndo_set_vf_link_state)(struct net_device *dev, int vf, int link_state); * int (*ndo_set_vf_port)(struct net_device *dev, int vf, * struct nlattr *port[]); + * + * Enable or disable the VF ability to query its RSS Redirection Table and + * Hash Key. This is needed since on some devices VF share this information + * with PF and querying it may adduce a theoretical security risk. + * int (*ndo_set_vf_rss_query_en)(struct net_device *dev, int vf, bool setting); * int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb); * int (*ndo_setup_tc)(struct net_device *dev, u8 tc) * Called to setup 'tc' number of traffic classes in the net device. This @@ -1071,6 +1076,9 @@ struct net_device_ops { struct nlattr *port[]); int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb); + int (*ndo_set_vf_rss_query_en)( + struct net_device *dev, + int vf, bool setting); int (*ndo_setup_tc)(struct net_device *dev, u8 tc); #if IS_ENABLED(CONFIG_FCOE) int (*ndo_fcoe_enable)(struct net_device *dev); diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 0330217abfad..e817722ee3f0 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -21,7 +21,7 @@ struct dev_pm_opp; struct device; enum dev_pm_opp_event { - OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE, + OPP_EVENT_ADD, OPP_EVENT_REMOVE, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE, }; #if defined(CONFIG_PM_OPP) @@ -30,7 +30,11 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); +bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp); + int dev_pm_opp_get_opp_count(struct device *dev); +unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev); +struct dev_pm_opp *dev_pm_opp_get_suspend_opp(struct device *dev); struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, @@ -44,6 +48,7 @@ struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, int dev_pm_opp_add(struct device *dev, unsigned long freq, unsigned long u_volt); +void dev_pm_opp_remove(struct device *dev, unsigned long freq); int dev_pm_opp_enable(struct device *dev, unsigned long freq); @@ -61,11 +66,26 @@ static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) return 0; } +static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp) +{ + return false; +} + static inline int dev_pm_opp_get_opp_count(struct device *dev) { return 0; } +static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev) +{ + return 0; +} + +static inline struct dev_pm_opp *dev_pm_opp_get_suspend_opp(struct device *dev) +{ + return NULL; +} + static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, bool available) { @@ -90,6 +110,10 @@ static inline int dev_pm_opp_add(struct device *dev, unsigned long freq, return -EINVAL; } +static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq) +{ +} + static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq) { return 0; @@ -109,11 +133,39 @@ static inline struct srcu_notifier_head *dev_pm_opp_get_notifier( #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) int of_init_opp_table(struct device *dev); +void of_free_opp_table(struct device *dev); +int of_cpumask_init_opp_table(cpumask_var_t cpumask); +void of_cpumask_free_opp_table(cpumask_var_t cpumask); +int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask); +int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask); #else static inline int of_init_opp_table(struct device *dev) { return -EINVAL; } + +static inline void of_free_opp_table(struct device *dev) +{ +} + +static inline int of_cpumask_init_opp_table(cpumask_var_t cpumask) +{ + return -ENOSYS; +} + +static inline void of_cpumask_free_opp_table(cpumask_var_t cpumask) +{ +} + +static inline int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask) +{ + return -ENOSYS; +} + +static inline int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask) +{ + return -ENOSYS; +} #endif #endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/security.h b/include/linux/security.h index d3c02ee9611e..14389a271f30 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -2500,7 +2500,7 @@ static inline int security_task_prctl(int option, unsigned long arg2, unsigned long arg4, unsigned long arg5) { - return cap_task_prctl(option, arg2, arg3, arg3, arg5); + return cap_task_prctl(option, arg2, arg3, arg4, arg5); } static inline void security_task_to_inode(struct task_struct *p, struct inode *inode) diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h new file mode 100644 index 000000000000..7bd03f867fca --- /dev/null +++ b/include/target/iscsi/iscsi_target_core.h @@ -0,0 +1,904 @@ +#ifndef ISCSI_TARGET_CORE_H +#define ISCSI_TARGET_CORE_H + +#include <linux/in.h> +#include <linux/configfs.h> +#include <net/sock.h> +#include <net/tcp.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/iscsi_proto.h> +#include <target/target_core_base.h> + +#define ISCSIT_VERSION "v4.1.0" +#define ISCSI_MAX_DATASN_MISSING_COUNT 16 +#define ISCSI_TX_THREAD_TCP_TIMEOUT 2 +#define ISCSI_RX_THREAD_TCP_TIMEOUT 2 +#define SECONDS_FOR_ASYNC_LOGOUT 10 +#define SECONDS_FOR_ASYNC_TEXT 10 +#define SECONDS_FOR_LOGOUT_COMP 15 +#define WHITE_SPACE " \t\v\f\n\r" +#define ISCSIT_MIN_TAGS 16 +#define ISCSIT_EXTRA_TAGS 8 +#define ISCSIT_TCP_BACKLOG 256 +#define ISCSI_RX_THREAD_NAME "iscsi_trx" +#define ISCSI_TX_THREAD_NAME "iscsi_ttx" + +/* struct iscsi_node_attrib sanity values */ +#define NA_DATAOUT_TIMEOUT 3 +#define NA_DATAOUT_TIMEOUT_MAX 60 +#define NA_DATAOUT_TIMEOUT_MIX 2 +#define NA_DATAOUT_TIMEOUT_RETRIES 5 +#define NA_DATAOUT_TIMEOUT_RETRIES_MAX 15 +#define NA_DATAOUT_TIMEOUT_RETRIES_MIN 1 +#define NA_NOPIN_TIMEOUT 15 +#define NA_NOPIN_TIMEOUT_MAX 60 +#define NA_NOPIN_TIMEOUT_MIN 3 +#define NA_NOPIN_RESPONSE_TIMEOUT 30 +#define NA_NOPIN_RESPONSE_TIMEOUT_MAX 60 +#define NA_NOPIN_RESPONSE_TIMEOUT_MIN 3 +#define NA_RANDOM_DATAIN_PDU_OFFSETS 0 +#define NA_RANDOM_DATAIN_SEQ_OFFSETS 0 +#define NA_RANDOM_R2T_OFFSETS 0 + +/* struct iscsi_tpg_attrib sanity values */ +#define TA_AUTHENTICATION 1 +#define TA_LOGIN_TIMEOUT 15 +#define TA_LOGIN_TIMEOUT_MAX 30 +#define TA_LOGIN_TIMEOUT_MIN 5 +#define TA_NETIF_TIMEOUT 2 +#define TA_NETIF_TIMEOUT_MAX 15 +#define TA_NETIF_TIMEOUT_MIN 2 +#define TA_GENERATE_NODE_ACLS 0 +#define TA_DEFAULT_CMDSN_DEPTH 64 +#define TA_DEFAULT_CMDSN_DEPTH_MAX 512 +#define TA_DEFAULT_CMDSN_DEPTH_MIN 1 +#define TA_CACHE_DYNAMIC_ACLS 0 +/* Enabled by default in demo mode (generic_node_acls=1) */ +#define TA_DEMO_MODE_WRITE_PROTECT 1 +/* Disabled by default in production mode w/ explict ACLs */ +#define TA_PROD_MODE_WRITE_PROTECT 0 +#define TA_DEMO_MODE_DISCOVERY 1 +#define TA_DEFAULT_ERL 0 +#define TA_CACHE_CORE_NPS 0 +/* T10 protection information disabled by default */ +#define TA_DEFAULT_T10_PI 0 +#define TA_DEFAULT_FABRIC_PROT_TYPE 0 + +#define ISCSI_IOV_DATA_BUFFER 5 + +enum iscsit_transport_type { + ISCSI_TCP = 0, + ISCSI_SCTP_TCP = 1, + ISCSI_SCTP_UDP = 2, + ISCSI_IWARP_TCP = 3, + ISCSI_IWARP_SCTP = 4, + ISCSI_INFINIBAND = 5, +}; + +/* RFC-3720 7.1.4 Standard Connection State Diagram for a Target */ +enum target_conn_state_table { + TARG_CONN_STATE_FREE = 0x1, + TARG_CONN_STATE_XPT_UP = 0x3, + TARG_CONN_STATE_IN_LOGIN = 0x4, + TARG_CONN_STATE_LOGGED_IN = 0x5, + TARG_CONN_STATE_IN_LOGOUT = 0x6, + TARG_CONN_STATE_LOGOUT_REQUESTED = 0x7, + TARG_CONN_STATE_CLEANUP_WAIT = 0x8, +}; + +/* RFC-3720 7.3.2 Session State Diagram for a Target */ +enum target_sess_state_table { + TARG_SESS_STATE_FREE = 0x1, + TARG_SESS_STATE_ACTIVE = 0x2, + TARG_SESS_STATE_LOGGED_IN = 0x3, + TARG_SESS_STATE_FAILED = 0x4, + TARG_SESS_STATE_IN_CONTINUE = 0x5, +}; + +/* struct iscsi_data_count->type */ +enum data_count_type { + ISCSI_RX_DATA = 1, + ISCSI_TX_DATA = 2, +}; + +/* struct iscsi_datain_req->dr_complete */ +enum datain_req_comp_table { + DATAIN_COMPLETE_NORMAL = 1, + DATAIN_COMPLETE_WITHIN_COMMAND_RECOVERY = 2, + DATAIN_COMPLETE_CONNECTION_RECOVERY = 3, +}; + +/* struct iscsi_datain_req->recovery */ +enum datain_req_rec_table { + DATAIN_WITHIN_COMMAND_RECOVERY = 1, + DATAIN_CONNECTION_RECOVERY = 2, +}; + +/* struct iscsi_portal_group->state */ +enum tpg_state_table { + TPG_STATE_FREE = 0, + TPG_STATE_ACTIVE = 1, + TPG_STATE_INACTIVE = 2, + TPG_STATE_COLD_RESET = 3, +}; + +/* struct iscsi_tiqn->tiqn_state */ +enum tiqn_state_table { + TIQN_STATE_ACTIVE = 1, + TIQN_STATE_SHUTDOWN = 2, +}; + +/* struct iscsi_cmd->cmd_flags */ +enum cmd_flags_table { + ICF_GOT_LAST_DATAOUT = 0x00000001, + ICF_GOT_DATACK_SNACK = 0x00000002, + ICF_NON_IMMEDIATE_UNSOLICITED_DATA = 0x00000004, + ICF_SENT_LAST_R2T = 0x00000008, + ICF_WITHIN_COMMAND_RECOVERY = 0x00000010, + ICF_CONTIG_MEMORY = 0x00000020, + ICF_ATTACHED_TO_RQUEUE = 0x00000040, + ICF_OOO_CMDSN = 0x00000080, + ICF_SENDTARGETS_ALL = 0x00000100, + ICF_SENDTARGETS_SINGLE = 0x00000200, +}; + +/* struct iscsi_cmd->i_state */ +enum cmd_i_state_table { + ISTATE_NO_STATE = 0, + ISTATE_NEW_CMD = 1, + ISTATE_DEFERRED_CMD = 2, + ISTATE_UNSOLICITED_DATA = 3, + ISTATE_RECEIVE_DATAOUT = 4, + ISTATE_RECEIVE_DATAOUT_RECOVERY = 5, + ISTATE_RECEIVED_LAST_DATAOUT = 6, + ISTATE_WITHIN_DATAOUT_RECOVERY = 7, + ISTATE_IN_CONNECTION_RECOVERY = 8, + ISTATE_RECEIVED_TASKMGT = 9, + ISTATE_SEND_ASYNCMSG = 10, + ISTATE_SENT_ASYNCMSG = 11, + ISTATE_SEND_DATAIN = 12, + ISTATE_SEND_LAST_DATAIN = 13, + ISTATE_SENT_LAST_DATAIN = 14, + ISTATE_SEND_LOGOUTRSP = 15, + ISTATE_SENT_LOGOUTRSP = 16, + ISTATE_SEND_NOPIN = 17, + ISTATE_SENT_NOPIN = 18, + ISTATE_SEND_REJECT = 19, + ISTATE_SENT_REJECT = 20, + ISTATE_SEND_R2T = 21, + ISTATE_SENT_R2T = 22, + ISTATE_SEND_R2T_RECOVERY = 23, + ISTATE_SENT_R2T_RECOVERY = 24, + ISTATE_SEND_LAST_R2T = 25, + ISTATE_SENT_LAST_R2T = 26, + ISTATE_SEND_LAST_R2T_RECOVERY = 27, + ISTATE_SENT_LAST_R2T_RECOVERY = 28, + ISTATE_SEND_STATUS = 29, + ISTATE_SEND_STATUS_BROKEN_PC = 30, + ISTATE_SENT_STATUS = 31, + ISTATE_SEND_STATUS_RECOVERY = 32, + ISTATE_SENT_STATUS_RECOVERY = 33, + ISTATE_SEND_TASKMGTRSP = 34, + ISTATE_SENT_TASKMGTRSP = 35, + ISTATE_SEND_TEXTRSP = 36, + ISTATE_SENT_TEXTRSP = 37, + ISTATE_SEND_NOPIN_WANT_RESPONSE = 38, + ISTATE_SENT_NOPIN_WANT_RESPONSE = 39, + ISTATE_SEND_NOPIN_NO_RESPONSE = 40, + ISTATE_REMOVE = 41, + ISTATE_FREE = 42, +}; + +/* Used for iscsi_recover_cmdsn() return values */ +enum recover_cmdsn_ret_table { + CMDSN_ERROR_CANNOT_RECOVER = -1, + CMDSN_NORMAL_OPERATION = 0, + CMDSN_LOWER_THAN_EXP = 1, + CMDSN_HIGHER_THAN_EXP = 2, + CMDSN_MAXCMDSN_OVERRUN = 3, +}; + +/* Used for iscsi_handle_immediate_data() return values */ +enum immedate_data_ret_table { + IMMEDIATE_DATA_CANNOT_RECOVER = -1, + IMMEDIATE_DATA_NORMAL_OPERATION = 0, + IMMEDIATE_DATA_ERL1_CRC_FAILURE = 1, +}; + +/* Used for iscsi_decide_dataout_action() return values */ +enum dataout_action_ret_table { + DATAOUT_CANNOT_RECOVER = -1, + DATAOUT_NORMAL = 0, + DATAOUT_SEND_R2T = 1, + DATAOUT_SEND_TO_TRANSPORT = 2, + DATAOUT_WITHIN_COMMAND_RECOVERY = 3, +}; + +/* Used for struct iscsi_node_auth->naf_flags */ +enum naf_flags_table { + NAF_USERID_SET = 0x01, + NAF_PASSWORD_SET = 0x02, + NAF_USERID_IN_SET = 0x04, + NAF_PASSWORD_IN_SET = 0x08, +}; + +/* Used by various struct timer_list to manage iSCSI specific state */ +enum iscsi_timer_flags_table { + ISCSI_TF_RUNNING = 0x01, + ISCSI_TF_STOP = 0x02, + ISCSI_TF_EXPIRED = 0x04, +}; + +/* Used for struct iscsi_np->np_flags */ +enum np_flags_table { + NPF_IP_NETWORK = 0x00, +}; + +/* Used for struct iscsi_np->np_thread_state */ +enum np_thread_state_table { + ISCSI_NP_THREAD_ACTIVE = 1, + ISCSI_NP_THREAD_INACTIVE = 2, + ISCSI_NP_THREAD_RESET = 3, + ISCSI_NP_THREAD_SHUTDOWN = 4, + ISCSI_NP_THREAD_EXIT = 5, +}; + +struct iscsi_conn_ops { + u8 HeaderDigest; /* [0,1] == [None,CRC32C] */ + u8 DataDigest; /* [0,1] == [None,CRC32C] */ + u32 MaxRecvDataSegmentLength; /* [512..2**24-1] */ + u32 MaxXmitDataSegmentLength; /* [512..2**24-1] */ + u8 OFMarker; /* [0,1] == [No,Yes] */ + u8 IFMarker; /* [0,1] == [No,Yes] */ + u32 OFMarkInt; /* [1..65535] */ + u32 IFMarkInt; /* [1..65535] */ + /* + * iSER specific connection parameters + */ + u32 InitiatorRecvDataSegmentLength; /* [512..2**24-1] */ + u32 TargetRecvDataSegmentLength; /* [512..2**24-1] */ +}; + +struct iscsi_sess_ops { + char InitiatorName[224]; + char InitiatorAlias[256]; + char TargetName[224]; + char TargetAlias[256]; + char TargetAddress[256]; + u16 TargetPortalGroupTag; /* [0..65535] */ + u16 MaxConnections; /* [1..65535] */ + u8 InitialR2T; /* [0,1] == [No,Yes] */ + u8 ImmediateData; /* [0,1] == [No,Yes] */ + u32 MaxBurstLength; /* [512..2**24-1] */ + u32 FirstBurstLength; /* [512..2**24-1] */ + u16 DefaultTime2Wait; /* [0..3600] */ + u16 DefaultTime2Retain; /* [0..3600] */ + u16 MaxOutstandingR2T; /* [1..65535] */ + u8 DataPDUInOrder; /* [0,1] == [No,Yes] */ + u8 DataSequenceInOrder; /* [0,1] == [No,Yes] */ + u8 ErrorRecoveryLevel; /* [0..2] */ + u8 SessionType; /* [0,1] == [Normal,Discovery]*/ + /* + * iSER specific session parameters + */ + u8 RDMAExtensions; /* [0,1] == [No,Yes] */ +}; + +struct iscsi_queue_req { + int state; + struct iscsi_cmd *cmd; + struct list_head qr_list; +}; + +struct iscsi_data_count { + int data_length; + int sync_and_steering; + enum data_count_type type; + u32 iov_count; + u32 ss_iov_count; + u32 ss_marker_count; + struct kvec *iov; +}; + +struct iscsi_param_list { + bool iser; + struct list_head param_list; + struct list_head extra_response_list; +}; + +struct iscsi_datain_req { + enum datain_req_comp_table dr_complete; + int generate_recovery_values; + enum datain_req_rec_table recovery; + u32 begrun; + u32 runlength; + u32 data_length; + u32 data_offset; + u32 data_sn; + u32 next_burst_len; + u32 read_data_done; + u32 seq_send_order; + struct list_head cmd_datain_node; +} ____cacheline_aligned; + +struct iscsi_ooo_cmdsn { + u16 cid; + u32 batch_count; + u32 cmdsn; + u32 exp_cmdsn; + struct iscsi_cmd *cmd; + struct list_head ooo_list; +} ____cacheline_aligned; + +struct iscsi_datain { + u8 flags; + u32 data_sn; + u32 length; + u32 offset; +} ____cacheline_aligned; + +struct iscsi_r2t { + int seq_complete; + int recovery_r2t; + int sent_r2t; + u32 r2t_sn; + u32 offset; + u32 targ_xfer_tag; + u32 xfer_len; + struct list_head r2t_list; +} ____cacheline_aligned; + +struct iscsi_cmd { + enum iscsi_timer_flags_table dataout_timer_flags; + /* DataOUT timeout retries */ + u8 dataout_timeout_retries; + /* Within command recovery count */ + u8 error_recovery_count; + /* iSCSI dependent state for out or order CmdSNs */ + enum cmd_i_state_table deferred_i_state; + /* iSCSI dependent state */ + enum cmd_i_state_table i_state; + /* Command is an immediate command (ISCSI_OP_IMMEDIATE set) */ + u8 immediate_cmd; + /* Immediate data present */ + u8 immediate_data; + /* iSCSI Opcode */ + u8 iscsi_opcode; + /* iSCSI Response Code */ + u8 iscsi_response; + /* Logout reason when iscsi_opcode == ISCSI_INIT_LOGOUT_CMND */ + u8 logout_reason; + /* Logout response code when iscsi_opcode == ISCSI_INIT_LOGOUT_CMND */ + u8 logout_response; + /* MaxCmdSN has been incremented */ + u8 maxcmdsn_inc; + /* Immediate Unsolicited Dataout */ + u8 unsolicited_data; + /* Reject reason code */ + u8 reject_reason; + /* CID contained in logout PDU when opcode == ISCSI_INIT_LOGOUT_CMND */ + u16 logout_cid; + /* Command flags */ + enum cmd_flags_table cmd_flags; + /* Initiator Task Tag assigned from Initiator */ + itt_t init_task_tag; + /* Target Transfer Tag assigned from Target */ + u32 targ_xfer_tag; + /* CmdSN assigned from Initiator */ + u32 cmd_sn; + /* ExpStatSN assigned from Initiator */ + u32 exp_stat_sn; + /* StatSN assigned to this ITT */ + u32 stat_sn; + /* DataSN Counter */ + u32 data_sn; + /* R2TSN Counter */ + u32 r2t_sn; + /* Last DataSN acknowledged via DataAck SNACK */ + u32 acked_data_sn; + /* Used for echoing NOPOUT ping data */ + u32 buf_ptr_size; + /* Used to store DataDigest */ + u32 data_crc; + /* Counter for MaxOutstandingR2T */ + u32 outstanding_r2ts; + /* Next R2T Offset when DataSequenceInOrder=Yes */ + u32 r2t_offset; + /* Iovec current and orig count for iscsi_cmd->iov_data */ + u32 iov_data_count; + u32 orig_iov_data_count; + /* Number of miscellaneous iovecs used for IP stack calls */ + u32 iov_misc_count; + /* Number of struct iscsi_pdu in struct iscsi_cmd->pdu_list */ + u32 pdu_count; + /* Next struct iscsi_pdu to send in struct iscsi_cmd->pdu_list */ + u32 pdu_send_order; + /* Current struct iscsi_pdu in struct iscsi_cmd->pdu_list */ + u32 pdu_start; + /* Next struct iscsi_seq to send in struct iscsi_cmd->seq_list */ + u32 seq_send_order; + /* Number of struct iscsi_seq in struct iscsi_cmd->seq_list */ + u32 seq_count; + /* Current struct iscsi_seq in struct iscsi_cmd->seq_list */ + u32 seq_no; + /* Lowest offset in current DataOUT sequence */ + u32 seq_start_offset; + /* Highest offset in current DataOUT sequence */ + u32 seq_end_offset; + /* Total size in bytes received so far of READ data */ + u32 read_data_done; + /* Total size in bytes received so far of WRITE data */ + u32 write_data_done; + /* Counter for FirstBurstLength key */ + u32 first_burst_len; + /* Counter for MaxBurstLength key */ + u32 next_burst_len; + /* Transfer size used for IP stack calls */ + u32 tx_size; + /* Buffer used for various purposes */ + void *buf_ptr; + /* Used by SendTargets=[iqn.,eui.] discovery */ + void *text_in_ptr; + /* See include/linux/dma-mapping.h */ + enum dma_data_direction data_direction; + /* iSCSI PDU Header + CRC */ + unsigned char pdu[ISCSI_HDR_LEN + ISCSI_CRC_LEN]; + /* Number of times struct iscsi_cmd is present in immediate queue */ + atomic_t immed_queue_count; + atomic_t response_queue_count; + spinlock_t datain_lock; + spinlock_t dataout_timeout_lock; + /* spinlock for protecting struct iscsi_cmd->i_state */ + spinlock_t istate_lock; + /* spinlock for adding within command recovery entries */ + spinlock_t error_lock; + /* spinlock for adding R2Ts */ + spinlock_t r2t_lock; + /* DataIN List */ + struct list_head datain_list; + /* R2T List */ + struct list_head cmd_r2t_list; + /* Timer for DataOUT */ + struct timer_list dataout_timer; + /* Iovecs for SCSI data payload RX/TX w/ kernel level sockets */ + struct kvec *iov_data; + /* Iovecs for miscellaneous purposes */ +#define ISCSI_MISC_IOVECS 5 + struct kvec iov_misc[ISCSI_MISC_IOVECS]; + /* Array of struct iscsi_pdu used for DataPDUInOrder=No */ + struct iscsi_pdu *pdu_list; + /* Current struct iscsi_pdu used for DataPDUInOrder=No */ + struct iscsi_pdu *pdu_ptr; + /* Array of struct iscsi_seq used for DataSequenceInOrder=No */ + struct iscsi_seq *seq_list; + /* Current struct iscsi_seq used for DataSequenceInOrder=No */ + struct iscsi_seq *seq_ptr; + /* TMR Request when iscsi_opcode == ISCSI_OP_SCSI_TMFUNC */ + struct iscsi_tmr_req *tmr_req; + /* Connection this command is alligient to */ + struct iscsi_conn *conn; + /* Pointer to connection recovery entry */ + struct iscsi_conn_recovery *cr; + /* Session the command is part of, used for connection recovery */ + struct iscsi_session *sess; + /* list_head for connection list */ + struct list_head i_conn_node; + /* The TCM I/O descriptor that is accessed via container_of() */ + struct se_cmd se_cmd; + /* Sense buffer that will be mapped into outgoing status */ +#define ISCSI_SENSE_BUFFER_LEN (TRANSPORT_SENSE_BUFFER + 2) + unsigned char sense_buffer[ISCSI_SENSE_BUFFER_LEN]; + + u32 padding; + u8 pad_bytes[4]; + + struct scatterlist *first_data_sg; + u32 first_data_sg_off; + u32 kmapped_nents; + sense_reason_t sense_reason; +} ____cacheline_aligned; + +struct iscsi_tmr_req { + bool task_reassign:1; + u32 exp_data_sn; + struct iscsi_cmd *ref_cmd; + struct iscsi_conn_recovery *conn_recovery; + struct se_tmr_req *se_tmr_req; +}; + +struct iscsi_conn { + wait_queue_head_t queues_wq; + /* Authentication Successful for this connection */ + u8 auth_complete; + /* State connection is currently in */ + u8 conn_state; + u8 conn_logout_reason; + u8 network_transport; + enum iscsi_timer_flags_table nopin_timer_flags; + enum iscsi_timer_flags_table nopin_response_timer_flags; + /* Used to know what thread encountered a transport failure */ + u8 which_thread; + /* connection id assigned by the Initiator */ + u16 cid; + /* Remote TCP Port */ + u16 login_port; + u16 local_port; + int net_size; + int login_family; + u32 auth_id; + u32 conn_flags; + /* Used for iscsi_tx_login_rsp() */ + itt_t login_itt; + u32 exp_statsn; + /* Per connection status sequence number */ + u32 stat_sn; + /* IFMarkInt's Current Value */ + u32 if_marker; + /* OFMarkInt's Current Value */ + u32 of_marker; + /* Used for calculating OFMarker offset to next PDU */ + u32 of_marker_offset; +#define IPV6_ADDRESS_SPACE 48 + unsigned char login_ip[IPV6_ADDRESS_SPACE]; + unsigned char local_ip[IPV6_ADDRESS_SPACE]; + int conn_usage_count; + int conn_waiting_on_uc; + atomic_t check_immediate_queue; + atomic_t conn_logout_remove; + atomic_t connection_exit; + atomic_t connection_recovery; + atomic_t connection_reinstatement; + atomic_t connection_wait_rcfr; + atomic_t sleep_on_conn_wait_comp; + atomic_t transport_failed; + struct completion conn_post_wait_comp; + struct completion conn_wait_comp; + struct completion conn_wait_rcfr_comp; + struct completion conn_waiting_on_uc_comp; + struct completion conn_logout_comp; + struct completion tx_half_close_comp; + struct completion rx_half_close_comp; + /* socket used by this connection */ + struct socket *sock; + void (*orig_data_ready)(struct sock *); + void (*orig_state_change)(struct sock *); +#define LOGIN_FLAGS_READ_ACTIVE 1 +#define LOGIN_FLAGS_CLOSED 2 +#define LOGIN_FLAGS_READY 4 + unsigned long login_flags; + struct delayed_work login_work; + struct delayed_work login_cleanup_work; + struct iscsi_login *login; + struct timer_list nopin_timer; + struct timer_list nopin_response_timer; + struct timer_list transport_timer; + struct task_struct *login_kworker; + /* Spinlock used for add/deleting cmd's from conn_cmd_list */ + spinlock_t cmd_lock; + spinlock_t conn_usage_lock; + spinlock_t immed_queue_lock; + spinlock_t nopin_timer_lock; + spinlock_t response_queue_lock; + spinlock_t state_lock; + /* libcrypto RX and TX contexts for crc32c */ + struct hash_desc conn_rx_hash; + struct hash_desc conn_tx_hash; + /* Used for scheduling TX and RX connection kthreads */ + cpumask_var_t conn_cpumask; + unsigned int conn_rx_reset_cpumask:1; + unsigned int conn_tx_reset_cpumask:1; + /* list_head of struct iscsi_cmd for this connection */ + struct list_head conn_cmd_list; + struct list_head immed_queue_list; + struct list_head response_queue_list; + struct iscsi_conn_ops *conn_ops; + struct iscsi_login *conn_login; + struct iscsit_transport *conn_transport; + struct iscsi_param_list *param_list; + /* Used for per connection auth state machine */ + void *auth_protocol; + void *context; + struct iscsi_login_thread_s *login_thread; + struct iscsi_portal_group *tpg; + struct iscsi_tpg_np *tpg_np; + /* Pointer to parent session */ + struct iscsi_session *sess; + int bitmap_id; + int rx_thread_active; + struct task_struct *rx_thread; + struct completion rx_login_comp; + int tx_thread_active; + struct task_struct *tx_thread; + /* list_head for session connection list */ + struct list_head conn_list; +} ____cacheline_aligned; + +struct iscsi_conn_recovery { + u16 cid; + u32 cmd_count; + u32 maxrecvdatasegmentlength; + u32 maxxmitdatasegmentlength; + int ready_for_reallegiance; + struct list_head conn_recovery_cmd_list; + spinlock_t conn_recovery_cmd_lock; + struct timer_list time2retain_timer; + struct iscsi_session *sess; + struct list_head cr_list; +} ____cacheline_aligned; + +struct iscsi_session { + u8 initiator_vendor; + u8 isid[6]; + enum iscsi_timer_flags_table time2retain_timer_flags; + u8 version_active; + u16 cid_called; + u16 conn_recovery_count; + u16 tsih; + /* state session is currently in */ + u32 session_state; + /* session wide counter: initiator assigned task tag */ + itt_t init_task_tag; + /* session wide counter: target assigned task tag */ + u32 targ_xfer_tag; + u32 cmdsn_window; + + /* protects cmdsn values */ + struct mutex cmdsn_mutex; + /* session wide counter: expected command sequence number */ + u32 exp_cmd_sn; + /* session wide counter: maximum allowed command sequence number */ + u32 max_cmd_sn; + struct list_head sess_ooo_cmdsn_list; + + /* LIO specific session ID */ + u32 sid; + char auth_type[8]; + /* unique within the target */ + int session_index; + /* Used for session reference counting */ + int session_usage_count; + int session_waiting_on_uc; + atomic_long_t cmd_pdus; + atomic_long_t rsp_pdus; + atomic_long_t tx_data_octets; + atomic_long_t rx_data_octets; + atomic_long_t conn_digest_errors; + atomic_long_t conn_timeout_errors; + u64 creation_time; + /* Number of active connections */ + atomic_t nconn; + atomic_t session_continuation; + atomic_t session_fall_back_to_erl0; + atomic_t session_logout; + atomic_t session_reinstatement; + atomic_t session_stop_active; + atomic_t sleep_on_sess_wait_comp; + /* connection list */ + struct list_head sess_conn_list; + struct list_head cr_active_list; + struct list_head cr_inactive_list; + spinlock_t conn_lock; + spinlock_t cr_a_lock; + spinlock_t cr_i_lock; + spinlock_t session_usage_lock; + spinlock_t ttt_lock; + struct completion async_msg_comp; + struct completion reinstatement_comp; + struct completion session_wait_comp; + struct completion session_waiting_on_uc_comp; + struct timer_list time2retain_timer; + struct iscsi_sess_ops *sess_ops; + struct se_session *se_sess; + struct iscsi_portal_group *tpg; +} ____cacheline_aligned; + +struct iscsi_login { + u8 auth_complete; + u8 checked_for_existing; + u8 current_stage; + u8 leading_connection; + u8 first_request; + u8 version_min; + u8 version_max; + u8 login_complete; + u8 login_failed; + bool zero_tsih; + char isid[6]; + u32 cmd_sn; + itt_t init_task_tag; + u32 initial_exp_statsn; + u32 rsp_length; + u16 cid; + u16 tsih; + char req[ISCSI_HDR_LEN]; + char rsp[ISCSI_HDR_LEN]; + char *req_buf; + char *rsp_buf; + struct iscsi_conn *conn; + struct iscsi_np *np; +} ____cacheline_aligned; + +struct iscsi_node_attrib { + u32 dataout_timeout; + u32 dataout_timeout_retries; + u32 default_erl; + u32 nopin_timeout; + u32 nopin_response_timeout; + u32 random_datain_pdu_offsets; + u32 random_datain_seq_offsets; + u32 random_r2t_offsets; + u32 tmr_cold_reset; + u32 tmr_warm_reset; + struct iscsi_node_acl *nacl; +}; + +struct se_dev_entry_s; + +struct iscsi_node_auth { + enum naf_flags_table naf_flags; + int authenticate_target; + /* Used for iscsit_global->discovery_auth, + * set to zero (auth disabled) by default */ + int enforce_discovery_auth; +#define MAX_USER_LEN 256 +#define MAX_PASS_LEN 256 + char userid[MAX_USER_LEN]; + char password[MAX_PASS_LEN]; + char userid_mutual[MAX_USER_LEN]; + char password_mutual[MAX_PASS_LEN]; +}; + +#include "iscsi_target_stat.h" + +struct iscsi_node_stat_grps { + struct config_group iscsi_sess_stats_group; + struct config_group iscsi_conn_stats_group; +}; + +struct iscsi_node_acl { + struct iscsi_node_attrib node_attrib; + struct iscsi_node_auth node_auth; + struct iscsi_node_stat_grps node_stat_grps; + struct se_node_acl se_node_acl; +}; + +struct iscsi_tpg_attrib { + u32 authentication; + u32 login_timeout; + u32 netif_timeout; + u32 generate_node_acls; + u32 cache_dynamic_acls; + u32 default_cmdsn_depth; + u32 demo_mode_write_protect; + u32 prod_mode_write_protect; + u32 demo_mode_discovery; + u32 default_erl; + u8 t10_pi; + u32 fabric_prot_type; + struct iscsi_portal_group *tpg; +}; + +struct iscsi_np { + int np_network_transport; + int np_ip_proto; + int np_sock_type; + enum np_thread_state_table np_thread_state; + bool enabled; + enum iscsi_timer_flags_table np_login_timer_flags; + u32 np_exports; + enum np_flags_table np_flags; + u16 np_port; + spinlock_t np_thread_lock; + struct completion np_restart_comp; + struct socket *np_socket; + struct __kernel_sockaddr_storage np_sockaddr; + struct task_struct *np_thread; + struct timer_list np_login_timer; + void *np_context; + struct iscsit_transport *np_transport; + struct list_head np_list; +} ____cacheline_aligned; + +struct iscsi_tpg_np { + struct iscsi_np *tpg_np; + struct iscsi_portal_group *tpg; + struct iscsi_tpg_np *tpg_np_parent; + struct list_head tpg_np_list; + struct list_head tpg_np_child_list; + struct list_head tpg_np_parent_list; + struct se_tpg_np se_tpg_np; + spinlock_t tpg_np_parent_lock; + struct completion tpg_np_comp; + struct kref tpg_np_kref; +}; + +struct iscsi_portal_group { + unsigned char tpg_chap_id; + /* TPG State */ + enum tpg_state_table tpg_state; + /* Target Portal Group Tag */ + u16 tpgt; + /* Id assigned to target sessions */ + u16 ntsih; + /* Number of active sessions */ + u32 nsessions; + /* Number of Network Portals available for this TPG */ + u32 num_tpg_nps; + /* Per TPG LIO specific session ID. */ + u32 sid; + /* Spinlock for adding/removing Network Portals */ + spinlock_t tpg_np_lock; + spinlock_t tpg_state_lock; + struct se_portal_group tpg_se_tpg; + struct mutex tpg_access_lock; + struct semaphore np_login_sem; + struct iscsi_tpg_attrib tpg_attrib; + struct iscsi_node_auth tpg_demo_auth; + /* Pointer to default list of iSCSI parameters for TPG */ + struct iscsi_param_list *param_list; + struct iscsi_tiqn *tpg_tiqn; + struct list_head tpg_gnp_list; + struct list_head tpg_list; +} ____cacheline_aligned; + +struct iscsi_wwn_stat_grps { + struct config_group iscsi_stat_group; + struct config_group iscsi_instance_group; + struct config_group iscsi_sess_err_group; + struct config_group iscsi_tgt_attr_group; + struct config_group iscsi_login_stats_group; + struct config_group iscsi_logout_stats_group; +}; + +struct iscsi_tiqn { +#define ISCSI_IQN_LEN 224 + unsigned char tiqn[ISCSI_IQN_LEN]; + enum tiqn_state_table tiqn_state; + int tiqn_access_count; + u32 tiqn_active_tpgs; + u32 tiqn_ntpgs; + u32 tiqn_num_tpg_nps; + u32 tiqn_nsessions; + struct list_head tiqn_list; + struct list_head tiqn_tpg_list; + spinlock_t tiqn_state_lock; + spinlock_t tiqn_tpg_lock; + struct se_wwn tiqn_wwn; + struct iscsi_wwn_stat_grps tiqn_stat_grps; + int tiqn_index; + struct iscsi_sess_err_stats sess_err_stats; + struct iscsi_login_stats login_stats; + struct iscsi_logout_stats logout_stats; +} ____cacheline_aligned; + +struct iscsit_global { + /* In core shutdown */ + u32 in_shutdown; + u32 active_ts; + /* Unique identifier used for the authentication daemon */ + u32 auth_id; + u32 inactive_ts; +#define ISCSIT_BITMAP_BITS 262144 + /* Thread Set bitmap pointer */ + unsigned long *ts_bitmap; + spinlock_t ts_bitmap_lock; + /* Used for iSCSI discovery session authentication */ + struct iscsi_node_acl discovery_acl; + struct iscsi_portal_group *discovery_tpg; +}; + +static inline u32 session_get_next_ttt(struct iscsi_session *session) +{ + u32 ttt; + + spin_lock_bh(&session->ttt_lock); + ttt = session->targ_xfer_tag++; + if (ttt == 0xFFFFFFFF) + ttt = session->targ_xfer_tag++; + spin_unlock_bh(&session->ttt_lock); + + return ttt; +} + +extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t); +#endif /* ISCSI_TARGET_CORE_H */ diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index 0bdb77e16875..fe017d125839 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -436,6 +436,9 @@ enum { IFLA_VF_SPOOFCHK, /* Spoof Checking on/off switch */ IFLA_VF_LINK_STATE, /* link state enable/disable/auto switch */ IFLA_VF_RATE, /* Min and Max TX Bandwidth Allocation */ + IFLA_VF_RSS_QUERY_EN, /* RSS Redirection Table and Hash Key query + * on/off switch + */ __IFLA_VF_MAX, }; @@ -480,6 +483,11 @@ struct ifla_vf_link_state { __u32 link_state; }; +struct ifla_vf_rss_query_en { + __u32 vf; + __u32 setting; +}; + /* VF ports management section * * Nested layout of set/get msg is: diff --git a/include/xen/interface/sched.h b/include/xen/interface/sched.h index 9ce083960a25..f18490985fc8 100644 --- a/include/xen/interface/sched.h +++ b/include/xen/interface/sched.h @@ -107,5 +107,13 @@ struct sched_watchdog { #define SHUTDOWN_suspend 2 /* Clean up, save suspend info, kill. */ #define SHUTDOWN_crash 3 /* Tell controller we've crashed. */ #define SHUTDOWN_watchdog 4 /* Restart because watchdog time expired. */ +/* + * Domain asked to perform 'soft reset' for it. The expected behavior is to + * reset internal Xen state for the domain returning it to the point where it + * was created but leaving the domain's memory contents and vCPU contexts + * intact. This will allow the domain to start over and set up all Xen specific + * interfaces again. + */ +#define SHUTDOWN_soft_reset 5 #endif /* __XEN_PUBLIC_SCHED_H__ */ |