#ifndef _DRIVERS_MISC_SGIXP_XP_H
#define _DRIVERS_MISC_SGIXP_XP_H
-#include <linux/cache.h>
-#include <linux/hardirq.h>
#include <linux/mutex.h>
-#include <asm/sn/types.h>
-#include <asm/sn/bte.h>
+
+#if defined CONFIG_X86_UV || defined CONFIG_IA64_SGI_UV
+#include <asm/uv/uv.h>
+#define is_uv() is_uv_system()
+#endif
+
+#ifndef is_uv
+#define is_uv() 0
+#endif
+
+#if defined CONFIG_IA64
+#include <asm/system.h>
+#include <asm/sn/arch.h> /* defines is_shub1() and is_shub2() */
+#define is_shub() ia64_platform_is("sn2")
+#endif
+
+#ifndef is_shub1
+#define is_shub1() 0
+#endif
+
+#ifndef is_shub2
+#define is_shub2() 0
+#endif
+
+#ifndef is_shub
+#define is_shub() 0
+#endif
#ifdef USE_DBUG_ON
#define DBUG_ON(condition) BUG_ON(condition)
#endif
/*
- * Define the maximum number of logically defined partitions the system
- * can support. It is constrained by the maximum number of hardware
- * partitionable regions. The term 'region' in this context refers to the
- * minimum number of nodes that can comprise an access protection grouping.
- * The access protection is in regards to memory, IPI and IOI.
+ * Define the maximum number of partitions the system can possibly support.
+ * It is based on the maximum number of hardware partitionable regions. The
+ * term 'region' in this context refers to the minimum number of nodes that
+ * can comprise an access protection grouping. The access protection is in
+ * regards to memory, IPI and IOI.
*
* The maximum number of hardware partitionable regions is equal to the
* maximum number of nodes in the entire system divided by the minimum number
* of nodes that comprise an access protection grouping.
*/
-#define XP_MAX_PARTITIONS 64
-
-/*
- * Define the number of u64s required to represent all the C-brick nasids
- * as a bitmap. The cross-partition kernel modules deal only with
- * C-brick nasids, thus the need for bitmaps which don't account for
- * odd-numbered (non C-brick) nasids.
- */
-#define XP_MAX_PHYSNODE_ID (MAX_NUMALINK_NODES / 2)
-#define XP_NASID_MASK_BYTES ((XP_MAX_PHYSNODE_ID + 7) / 8)
-#define XP_NASID_MASK_WORDS ((XP_MAX_PHYSNODE_ID + 63) / 64)
-
-/*
- * Wrapper for bte_copy() that should it return a failure status will retry
- * the bte_copy() once in the hope that the failure was due to a temporary
- * aberration (i.e., the link going down temporarily).
- *
- * src - physical address of the source of the transfer.
- * vdst - virtual address of the destination of the transfer.
- * len - number of bytes to transfer from source to destination.
- * mode - see bte_copy() for definition.
- * notification - see bte_copy() for definition.
- *
- * Note: xp_bte_copy() should never be called while holding a spinlock.
- */
-static inline bte_result_t
-xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
-{
- bte_result_t ret;
- u64 pdst = ia64_tpa(vdst);
-
- /*
- * Ensure that the physically mapped memory is contiguous.
- *
- * We do this by ensuring that the memory is from region 7 only.
- * If the need should arise to use memory from one of the other
- * regions, then modify the BUG_ON() statement to ensure that the
- * memory from that region is always physically contiguous.
- */
- BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL);
-
- ret = bte_copy(src, pdst, len, mode, notification);
- if ((ret != BTE_SUCCESS) && BTE_ERROR_RETRY(ret)) {
- if (!in_interrupt())
- cond_resched();
-
- ret = bte_copy(src, pdst, len, mode, notification);
- }
-
- return ret;
-}
+#define XP_MAX_NPARTITIONS_SN2 64
+#define XP_MAX_NPARTITIONS_UV 256
/*
* XPC establishes channel connections between the local partition and any
* other partition that is currently up. Over these channels, kernel-level
* `users' can communicate with their counterparts on the other partitions.
*
- * The maxinum number of channels is limited to eight. For performance reasons,
- * the internal cross partition structures require sixteen bytes per channel,
- * and eight allows all of this interface-shared info to fit in one cache line.
- *
- * XPC_NCHANNELS reflects the total number of channels currently defined.
* If the need for additional channels arises, one can simply increase
- * XPC_NCHANNELS accordingly. If the day should come where that number
- * exceeds the MAXIMUM number of channels allowed (eight), then one will need
- * to make changes to the XPC code to allow for this.
+ * XPC_MAX_NCHANNELS accordingly. If the day should come where that number
+ * exceeds the absolute MAXIMUM number of channels possible (eight), then one
+ * will need to make changes to the XPC code to accommodate for this.
+ *
+ * The absolute maximum number of channels possible is limited to eight for
+ * performance reasons on sn2 hardware. The internal cross partition structures
+ * require sixteen bytes per channel, and eight allows all of this
+ * interface-shared info to fit in one 128-byte cacheline.
*/
#define XPC_MEM_CHANNEL 0 /* memory channel number */
#define XPC_NET_CHANNEL 1 /* network channel number */
-#define XPC_NCHANNELS 2 /* #of defined channels */
-#define XPC_MAX_NCHANNELS 8 /* max #of channels allowed */
+#define XPC_MAX_NCHANNELS 2 /* max #of channels allowed */
-#if XPC_NCHANNELS > XPC_MAX_NCHANNELS
-#error XPC_NCHANNELS exceeds MAXIMUM allowed.
+#if XPC_MAX_NCHANNELS > 8
+#error XPC_MAX_NCHANNELS exceeds absolute MAXIMUM possible.
#endif
/*
- * The format of an XPC message is as follows:
- *
- * +-------+--------------------------------+
- * | flags |////////////////////////////////|
- * +-------+--------------------------------+
- * | message # |
- * +----------------------------------------+
- * | payload (user-defined message) |
- * | |
- * :
- * | |
- * +----------------------------------------+
- *
- * The size of the payload is defined by the user via xpc_connect(). A user-
- * defined message resides in the payload area.
- *
- * The user should have no dealings with the message header, but only the
- * message's payload. When a message entry is allocated (via xpc_allocate())
- * a pointer to the payload area is returned and not the actual beginning of
- * the XPC message. The user then constructs a message in the payload area
- * and passes that pointer as an argument on xpc_send() or xpc_send_notify().
- *
- * The size of a message entry (within a message queue) must be a cacheline
- * sized multiple in order to facilitate the BTE transfer of messages from one
- * message queue to another. A macro, XPC_MSG_SIZE(), is provided for the user
+ * Define macro, XPC_MSG_SIZE(), is provided for the user
* that wants to fit as many msg entries as possible in a given memory size
* (e.g. a memory page).
*/
-struct xpc_msg {
- u8 flags; /* FOR XPC INTERNAL USE ONLY */
- u8 reserved[7]; /* FOR XPC INTERNAL USE ONLY */
- s64 number; /* FOR XPC INTERNAL USE ONLY */
+#define XPC_MSG_MAX_SIZE 128
+#define XPC_MSG_HDR_MAX_SIZE 16
+#define XPC_MSG_PAYLOAD_MAX_SIZE (XPC_MSG_MAX_SIZE - XPC_MSG_HDR_MAX_SIZE)
- u64 payload; /* user defined portion of message */
-};
-
-#define XPC_MSG_PAYLOAD_OFFSET (u64) (&((struct xpc_msg *)0)->payload)
#define XPC_MSG_SIZE(_payload_size) \
- L1_CACHE_ALIGN(XPC_MSG_PAYLOAD_OFFSET + (_payload_size))
+ ALIGN(XPC_MSG_HDR_MAX_SIZE + (_payload_size), \
+ is_uv() ? 64 : 128)
+
/*
* Define the return values and values passed to user's callout functions.
* (It is important to add new value codes at the end just preceding
- * xpcUnknownReason, which must have the highest numerical value.)
+ * xpUnknownReason, which must have the highest numerical value.)
*/
-enum xpc_retval {
- xpcSuccess = 0,
-
- xpcNotConnected, /* 1: channel is not connected */
- xpcConnected, /* 2: channel connected (opened) */
- xpcRETIRED1, /* 3: (formerly xpcDisconnected) */
-
- xpcMsgReceived, /* 4: message received */
- xpcMsgDelivered, /* 5: message delivered and acknowledged */
-
- xpcRETIRED2, /* 6: (formerly xpcTransferFailed) */
-
- xpcNoWait, /* 7: operation would require wait */
- xpcRetry, /* 8: retry operation */
- xpcTimeout, /* 9: timeout in xpc_allocate_msg_wait() */
- xpcInterrupted, /* 10: interrupted wait */
+enum xp_retval {
+ xpSuccess = 0,
- xpcUnequalMsgSizes, /* 11: message size disparity between sides */
- xpcInvalidAddress, /* 12: invalid address */
+ xpNotConnected, /* 1: channel is not connected */
+ xpConnected, /* 2: channel connected (opened) */
+ xpRETIRED1, /* 3: (formerly xpDisconnected) */
- xpcNoMemory, /* 13: no memory available for XPC structures */
- xpcLackOfResources, /* 14: insufficient resources for operation */
- xpcUnregistered, /* 15: channel is not registered */
- xpcAlreadyRegistered, /* 16: channel is already registered */
+ xpMsgReceived, /* 4: message received */
+ xpMsgDelivered, /* 5: message delivered and acknowledged */
- xpcPartitionDown, /* 17: remote partition is down */
- xpcNotLoaded, /* 18: XPC module is not loaded */
- xpcUnloading, /* 19: this side is unloading XPC module */
+ xpRETIRED2, /* 6: (formerly xpTransferFailed) */
- xpcBadMagic, /* 20: XPC MAGIC string not found */
+ xpNoWait, /* 7: operation would require wait */
+ xpRetry, /* 8: retry operation */
+ xpTimeout, /* 9: timeout in xpc_allocate_msg_wait() */
+ xpInterrupted, /* 10: interrupted wait */
- xpcReactivating, /* 21: remote partition was reactivated */
+ xpUnequalMsgSizes, /* 11: message size disparity between sides */
+ xpInvalidAddress, /* 12: invalid address */
- xpcUnregistering, /* 22: this side is unregistering channel */
- xpcOtherUnregistering, /* 23: other side is unregistering channel */
+ xpNoMemory, /* 13: no memory available for XPC structures */
+ xpLackOfResources, /* 14: insufficient resources for operation */
+ xpUnregistered, /* 15: channel is not registered */
+ xpAlreadyRegistered, /* 16: channel is already registered */
- xpcCloneKThread, /* 24: cloning kernel thread */
- xpcCloneKThreadFailed, /* 25: cloning kernel thread failed */
+ xpPartitionDown, /* 17: remote partition is down */
+ xpNotLoaded, /* 18: XPC module is not loaded */
+ xpUnloading, /* 19: this side is unloading XPC module */
- xpcNoHeartbeat, /* 26: remote partition has no heartbeat */
+ xpBadMagic, /* 20: XPC MAGIC string not found */
- xpcPioReadError, /* 27: PIO read error */
- xpcPhysAddrRegFailed, /* 28: registration of phys addr range failed */
+ xpReactivating, /* 21: remote partition was reactivated */
- xpcBteDirectoryError, /* 29: maps to BTEFAIL_DIR */
- xpcBtePoisonError, /* 30: maps to BTEFAIL_POISON */
- xpcBteWriteError, /* 31: maps to BTEFAIL_WERR */
- xpcBteAccessError, /* 32: maps to BTEFAIL_ACCESS */
- xpcBtePWriteError, /* 33: maps to BTEFAIL_PWERR */
- xpcBtePReadError, /* 34: maps to BTEFAIL_PRERR */
- xpcBteTimeOutError, /* 35: maps to BTEFAIL_TOUT */
- xpcBteXtalkError, /* 36: maps to BTEFAIL_XTERR */
- xpcBteNotAvailable, /* 37: maps to BTEFAIL_NOTAVAIL */
- xpcBteUnmappedError, /* 38: unmapped BTEFAIL_ error */
+ xpUnregistering, /* 22: this side is unregistering channel */
+ xpOtherUnregistering, /* 23: other side is unregistering channel */
- xpcBadVersion, /* 39: bad version number */
- xpcVarsNotSet, /* 40: the XPC variables are not set up */
- xpcNoRsvdPageAddr, /* 41: unable to get rsvd page's phys addr */
- xpcInvalidPartid, /* 42: invalid partition ID */
- xpcLocalPartid, /* 43: local partition ID */
+ xpCloneKThread, /* 24: cloning kernel thread */
+ xpCloneKThreadFailed, /* 25: cloning kernel thread failed */
- xpcOtherGoingDown, /* 44: other side going down, reason unknown */
- xpcSystemGoingDown, /* 45: system is going down, reason unknown */
- xpcSystemHalt, /* 46: system is being halted */
- xpcSystemReboot, /* 47: system is being rebooted */
- xpcSystemPoweroff, /* 48: system is being powered off */
+ xpNoHeartbeat, /* 26: remote partition has no heartbeat */
- xpcDisconnecting, /* 49: channel disconnecting (closing) */
+ xpPioReadError, /* 27: PIO read error */
+ xpPhysAddrRegFailed, /* 28: registration of phys addr range failed */
- xpcOpenCloseError, /* 50: channel open/close protocol error */
+ xpRETIRED3, /* 29: (formerly xpBteDirectoryError) */
+ xpRETIRED4, /* 30: (formerly xpBtePoisonError) */
+ xpRETIRED5, /* 31: (formerly xpBteWriteError) */
+ xpRETIRED6, /* 32: (formerly xpBteAccessError) */
+ xpRETIRED7, /* 33: (formerly xpBtePWriteError) */
+ xpRETIRED8, /* 34: (formerly xpBtePReadError) */
+ xpRETIRED9, /* 35: (formerly xpBteTimeOutError) */
+ xpRETIRED10, /* 36: (formerly xpBteXtalkError) */
+ xpRETIRED11, /* 37: (formerly xpBteNotAvailable) */
+ xpRETIRED12, /* 38: (formerly xpBteUnmappedError) */
- xpcDisconnected, /* 51: channel disconnected (closed) */
+ xpBadVersion, /* 39: bad version number */
+ xpVarsNotSet, /* 40: the XPC variables are not set up */
+ xpNoRsvdPageAddr, /* 41: unable to get rsvd page's phys addr */
+ xpInvalidPartid, /* 42: invalid partition ID */
+ xpLocalPartid, /* 43: local partition ID */
- xpcBteSh2Start, /* 52: BTE CRB timeout */
+ xpOtherGoingDown, /* 44: other side going down, reason unknown */
+ xpSystemGoingDown, /* 45: system is going down, reason unknown */
+ xpSystemHalt, /* 46: system is being halted */
+ xpSystemReboot, /* 47: system is being rebooted */
+ xpSystemPoweroff, /* 48: system is being powered off */
- /* 53: 0x1 BTE Error Response Short */
- xpcBteSh2RspShort = xpcBteSh2Start + BTEFAIL_SH2_RESP_SHORT,
+ xpDisconnecting, /* 49: channel disconnecting (closing) */
- /* 54: 0x2 BTE Error Response Long */
- xpcBteSh2RspLong = xpcBteSh2Start + BTEFAIL_SH2_RESP_LONG,
+ xpOpenCloseError, /* 50: channel open/close protocol error */
- /* 56: 0x4 BTE Error Response DSB */
- xpcBteSh2RspDSB = xpcBteSh2Start + BTEFAIL_SH2_RESP_DSP,
+ xpDisconnected, /* 51: channel disconnected (closed) */
- /* 60: 0x8 BTE Error Response Access */
- xpcBteSh2RspAccess = xpcBteSh2Start + BTEFAIL_SH2_RESP_ACCESS,
+ xpBteCopyError, /* 52: bte_copy() returned error */
+ xpSalError, /* 53: sn SAL error */
+ xpRsvdPageNotSet, /* 54: the reserved page is not set up */
+ xpPayloadTooBig, /* 55: payload too large for message slot */
- /* 68: 0x10 BTE Error CRB timeout */
- xpcBteSh2CRBTO = xpcBteSh2Start + BTEFAIL_SH2_CRB_TO,
+ xpUnsupported, /* 56: unsupported functionality or resource */
+ xpNeedMoreInfo, /* 57: more info is needed by SAL */
- /* 84: 0x20 BTE Error NACK limit */
- xpcBteSh2NACKLimit = xpcBteSh2Start + BTEFAIL_SH2_NACK_LIMIT,
+ xpGruCopyError, /* 58: gru_copy_gru() returned error */
+ xpGruSendMqError, /* 59: gru send message queue related error */
- /* 115: BTE end */
- xpcBteSh2End = xpcBteSh2Start + BTEFAIL_SH2_ALL,
+ xpBadChannelNumber, /* 60: invalid channel number */
+ xpBadMsgType, /* 61: invalid message type */
+ xpBiosError, /* 62: BIOS error */
- xpcUnknownReason /* 116: unknown reason - must be last in enum */
+ xpUnknownReason /* 63: unknown reason - must be last in enum */
};
/*
- * Define the callout function types used by XPC to update the user on
- * connection activity and state changes (via the user function registered by
- * xpc_connect()) and to notify them of messages received and delivered (via
- * the user function registered by xpc_send_notify()).
- *
- * The two function types are xpc_channel_func and xpc_notify_func and
- * both share the following arguments, with the exception of "data", which
- * only xpc_channel_func has.
+ * Define the callout function type used by XPC to update the user on
+ * connection activity and state changes via the user function registered
+ * by xpc_connect().
*
* Arguments:
*
- * reason - reason code. (See following table.)
+ * reason - reason code.
* partid - partition ID associated with condition.
* ch_number - channel # associated with condition.
- * data - pointer to optional data. (See following table.)
+ * data - pointer to optional data.
* key - pointer to optional user-defined value provided as the "key"
- * argument to xpc_connect() or xpc_send_notify().
- *
- * In the following table the "Optional Data" column applies to callouts made
- * to functions registered by xpc_connect(). A "NA" in that column indicates
- * that this reason code can be passed to functions registered by
- * xpc_send_notify() (i.e. they don't have data arguments).
+ * argument to xpc_connect().
*
- * Also, the first three reason codes in the following table indicate
- * success, whereas the others indicate failure. When a failure reason code
- * is received, one can assume that the channel is not connected.
+ * A reason code of xpConnected indicates that a connection has been
+ * established to the specified partition on the specified channel. The data
+ * argument indicates the max number of entries allowed in the message queue.
*
+ * A reason code of xpMsgReceived indicates that a XPC message arrived from
+ * the specified partition on the specified channel. The data argument
+ * specifies the address of the message's payload. The user must call
+ * xpc_received() when finished with the payload.
*
- * Reason Code | Cause | Optional Data
- * =====================+================================+=====================
- * xpcConnected | connection has been established| max #of entries
- * | to the specified partition on | allowed in message
- * | the specified channel | queue
- * ---------------------+--------------------------------+---------------------
- * xpcMsgReceived | an XPC message arrived from | address of payload
- * | the specified partition on the |
- * | specified channel | [the user must call
- * | | xpc_received() when
- * | | finished with the
- * | | payload]
- * ---------------------+--------------------------------+---------------------
- * xpcMsgDelivered | notification that the message | NA
- * | was delivered to the intended |
- * | recipient and that they have |
- * | acknowledged its receipt by |
- * | calling xpc_received() |
- * =====================+================================+=====================
- * xpcUnequalMsgSizes | can't connect to the specified | NULL
- * | partition on the specified |
- * | channel because of mismatched |
- * | message sizes |
- * ---------------------+--------------------------------+---------------------
- * xpcNoMemory | insufficient memory avaiable | NULL
- * | to allocate message queue |
- * ---------------------+--------------------------------+---------------------
- * xpcLackOfResources | lack of resources to create | NULL
- * | the necessary kthreads to |
- * | support the channel |
- * ---------------------+--------------------------------+---------------------
- * xpcUnregistering | this side's user has | NULL or NA
- * | unregistered by calling |
- * | xpc_disconnect() |
- * ---------------------+--------------------------------+---------------------
- * xpcOtherUnregistering| the other side's user has | NULL or NA
- * | unregistered by calling |
- * | xpc_disconnect() |
- * ---------------------+--------------------------------+---------------------
- * xpcNoHeartbeat | the other side's XPC is no | NULL or NA
- * | longer heartbeating |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcUnloading | this side's XPC module is | NULL or NA
- * | being unloaded |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcOtherUnloading | the other side's XPC module is | NULL or NA
- * | is being unloaded |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcPioReadError | xp_nofault_PIOR() returned an | NULL or NA
- * | error while sending an IPI |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcInvalidAddress | the address either received or | NULL or NA
- * | sent by the specified partition|
- * | is invalid |
- * ---------------------+--------------------------------+---------------------
- * xpcBteNotAvailable | attempt to pull data from the | NULL or NA
- * xpcBtePoisonError | specified partition over the |
- * xpcBteWriteError | specified channel via a |
- * xpcBteAccessError | bte_copy() failed |
- * xpcBteTimeOutError | |
- * xpcBteXtalkError | |
- * xpcBteDirectoryError | |
- * xpcBteGenericError | |
- * xpcBteUnmappedError | |
- * ---------------------+--------------------------------+---------------------
- * xpcUnknownReason | the specified channel to the | NULL or NA
- * | specified partition was |
- * | unavailable for unknown reasons|
- * =====================+================================+=====================
+ * All other reason codes indicate failure. The data argmument is NULL.
+ * When a failure reason code is received, one can assume that the channel
+ * is not connected.
*/
-
-typedef void (*xpc_channel_func) (enum xpc_retval reason, partid_t partid,
+typedef void (*xpc_channel_func) (enum xp_retval reason, short partid,
int ch_number, void *data, void *key);
-typedef void (*xpc_notify_func) (enum xpc_retval reason, partid_t partid,
+/*
+ * Define the callout function type used by XPC to notify the user of
+ * messages received and delivered via the user function registered by
+ * xpc_send_notify().
+ *
+ * Arguments:
+ *
+ * reason - reason code.
+ * partid - partition ID associated with condition.
+ * ch_number - channel # associated with condition.
+ * key - pointer to optional user-defined value provided as the "key"
+ * argument to xpc_send_notify().
+ *
+ * A reason code of xpMsgDelivered indicates that the message was delivered
+ * to the intended recipient and that they have acknowledged its receipt by
+ * calling xpc_received().
+ *
+ * All other reason codes indicate failure.
+ *
+ * NOTE: The user defined function must be callable by an interrupt handler
+ * and thus cannot block.
+ */
+typedef void (*xpc_notify_func) (enum xp_retval reason, short partid,
int ch_number, void *key);
/*
xpc_channel_func func; /* function to call */
void *key; /* pointer to user's key */
u16 nentries; /* #of msg entries in local msg queue */
- u16 msg_size; /* message queue's message size */
+ u16 entry_size; /* message queue's message entry size */
u32 assigned_limit; /* limit on #of assigned kthreads */
u32 idle_limit; /* limit on #of idle kthreads */
} ____cacheline_aligned;
#define XPC_CHANNEL_REGISTERED(_c) (xpc_registrations[_c].func != NULL)
-/* the following are valid xpc_allocate() flags */
+/* the following are valid xpc_send() or xpc_send_notify() flags */
#define XPC_WAIT 0 /* wait flag */
#define XPC_NOWAIT 1 /* no wait flag */
struct xpc_interface {
void (*connect) (int);
void (*disconnect) (int);
- enum xpc_retval (*allocate) (partid_t, int, u32, void **);
- enum xpc_retval (*send) (partid_t, int, void *);
- enum xpc_retval (*send_notify) (partid_t, int, void *,
+ enum xp_retval (*send) (short, int, u32, void *, u16);
+ enum xp_retval (*send_notify) (short, int, u32, void *, u16,
xpc_notify_func, void *);
- void (*received) (partid_t, int, void *);
- enum xpc_retval (*partid_to_nasids) (partid_t, void *);
+ void (*received) (short, int, void *);
+ enum xp_retval (*partid_to_nasids) (short, void *);
};
extern struct xpc_interface xpc_interface;
extern void xpc_set_interface(void (*)(int),
void (*)(int),
- enum xpc_retval (*)(partid_t, int, u32, void **),
- enum xpc_retval (*)(partid_t, int, void *),
- enum xpc_retval (*)(partid_t, int, void *,
- xpc_notify_func, void *),
- void (*)(partid_t, int, void *),
- enum xpc_retval (*)(partid_t, void *));
+ enum xp_retval (*)(short, int, u32, void *, u16),
+ enum xp_retval (*)(short, int, u32, void *, u16,
+ xpc_notify_func, void *),
+ void (*)(short, int, void *),
+ enum xp_retval (*)(short, void *));
extern void xpc_clear_interface(void);
-extern enum xpc_retval xpc_connect(int, xpc_channel_func, void *, u16,
+extern enum xp_retval xpc_connect(int, xpc_channel_func, void *, u16,
u16, u32, u32);
extern void xpc_disconnect(int);
-static inline enum xpc_retval
-xpc_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
+static inline enum xp_retval
+xpc_send(short partid, int ch_number, u32 flags, void *payload,
+ u16 payload_size)
{
- return xpc_interface.allocate(partid, ch_number, flags, payload);
+ return xpc_interface.send(partid, ch_number, flags, payload,
+ payload_size);
}
-static inline enum xpc_retval
-xpc_send(partid_t partid, int ch_number, void *payload)
+static inline enum xp_retval
+xpc_send_notify(short partid, int ch_number, u32 flags, void *payload,
+ u16 payload_size, xpc_notify_func func, void *key)
{
- return xpc_interface.send(partid, ch_number, payload);
-}
-
-static inline enum xpc_retval
-xpc_send_notify(partid_t partid, int ch_number, void *payload,
- xpc_notify_func func, void *key)
-{
- return xpc_interface.send_notify(partid, ch_number, payload, func, key);
+ return xpc_interface.send_notify(partid, ch_number, flags, payload,
+ payload_size, func, key);
}
static inline void
-xpc_received(partid_t partid, int ch_number, void *payload)
+xpc_received(short partid, int ch_number, void *payload)
{
return xpc_interface.received(partid, ch_number, payload);
}
-static inline enum xpc_retval
-xpc_partid_to_nasids(partid_t partid, void *nasids)
+static inline enum xp_retval
+xpc_partid_to_nasids(short partid, void *nasids)
{
return xpc_interface.partid_to_nasids(partid, nasids);
}
+extern short xp_max_npartitions;
+extern short xp_partition_id;
+extern u8 xp_region_size;
+
+extern unsigned long (*xp_pa) (void *);
+extern unsigned long (*xp_socket_pa) (unsigned long);
+extern enum xp_retval (*xp_remote_memcpy) (unsigned long, const unsigned long,
+ size_t);
+extern int (*xp_cpu_to_nasid) (int);
+extern enum xp_retval (*xp_expand_memprotect) (unsigned long, unsigned long);
+extern enum xp_retval (*xp_restrict_memprotect) (unsigned long, unsigned long);
+
extern u64 xp_nofault_PIOR_target;
extern int xp_nofault_PIOR(void *);
extern int xp_error_PIOR(void);
+extern struct device *xp;
+extern enum xp_retval xp_init_sn2(void);
+extern enum xp_retval xp_init_uv(void);
+extern void xp_exit_sn2(void);
+extern void xp_exit_uv(void);
+
#endif /* _DRIVERS_MISC_SGIXP_XP_H */