#define VAS_WIN_ACTIVE 0x0 #define VAS_WIN_CLOSED 0x1 #define VAS_WIN_INACTIVE 0x2 /* Inactive due to HW failure */ /* Process of being modified, deallocated, or quiesced */ #define VAS_WIN_MOD_IN_PROCESS 0x3
/* * Co-processor feature - GZIP QoS windows or GZIP default windows
*/ enum vas_cop_feat_type {
VAS_GZIP_QOS_FEAT_TYPE,
VAS_GZIP_DEF_FEAT_TYPE,
VAS_MAX_FEAT_TYPE,
};
/* * Use to get feature specific capabilities from the * hypervisor.
*/ struct hv_vas_cop_feat_caps {
__be64 descriptor;
u8 win_type; /* Default or QoS type */
u8 user_mode;
__be16 max_lpar_creds;
__be16 max_win_creds; union {
__be16 reserved;
__be16 def_lpar_creds; /* Used for default capabilities */
};
__be16 target_lpar_creds;
} __packed __aligned(0x1000);
/* * Feature specific (QoS or default) capabilities.
*/ struct vas_cop_feat_caps {
u64 descriptor;
u8 win_type; /* Default or QoS type */
u8 user_mode; /* User mode copy/paste or COP HCALL */
u16 max_lpar_creds; /* Max credits available in LPAR */ /* Max credits can be assigned per window */
u16 max_win_creds; union {
u16 reserved; /* Used for QoS credit type */
u16 def_lpar_creds; /* Used for default credit type */
}; /* Total LPAR available credits. Can be different from max LPAR */ /* credits due to DLPAR operation */
atomic_t nr_total_credits; /* Total credits assigned to LPAR */
atomic_t nr_used_credits; /* Used credits so far */
};
/* * Feature (QoS or Default) specific to store capabilities and * the list of open windows.
*/ struct vas_caps { struct vas_cop_feat_caps caps; struct list_head list; /* List of open windows */ int nr_open_wins_progress; /* Number of open windows in */ /* progress. Used in migration */ int nr_close_wins; /* closed windows in the hypervisor for DLPAR */ int nr_open_windows; /* Number of successful open windows */
u8 feat; /* Feature type */
};
/* * To get window information from the hypervisor.
*/ struct hv_vas_win_lpar {
__be16 version;
u8 win_type;
u8 status;
__be16 credits; /* No of credits assigned to this window */
__be16 reserved;
__be32 pid; /* LPAR Process ID */
__be32 tid; /* LPAR Thread ID */
__be64 win_addr; /* Paste address */
__be32 interrupt; /* Interrupt when NX request completes */
__be32 fault; /* Interrupt when NX sees fault */ /* Associativity Domain Identifiers as returned in */ /* H_HOME_NODE_ASSOCIATIVITY */
__be64 domain[6];
__be64 win_util; /* Number of bytes processed */
} __packed __aligned(0x1000);
/* List of windows opened which is used for LPM */ struct list_head win_list;
u64 flags; char *name; int fault_virq;
atomic_t pending_faults; /* Number of pending faults */
};
int sysfs_add_vas_caps(struct vas_cop_feat_caps *caps); int vas_reconfig_capabilties(u8 type, int new_nr_creds); int __init sysfs_pseries_vas_init(struct vas_all_caps *vas_caps);
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.