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Commit 4a3ad2dd authored by Dean Nelson's avatar Dean Nelson Committed by Tony Luck
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[IA64] run some drivers/misc/sgi-xp through scripts/Lindent 

Ran patches through scripts/Lindent (part 1).
Signed-off-by: default avatarDean Nelson <dcn@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 45d9ca49
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Showing with 396 additions and 553 deletions
drivers/misc/sgi-xp/xp.h
View file @ 4a3ad2dd
......@@ -6,30 +6,25 @@
* Copyright (C) 2004-2008 Silicon Graphics, Inc. All rights reserved.
*/
/*
* External Cross Partition (XP) structures and defines.
*/
#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>
#ifdef USE_DBUG_ON
#define DBUG_ON(condition) BUG_ON(condition)
#else
#define DBUG_ON(condition)
#endif
/*
* Define the maximum number of logically defined partitions the system
* can support. It is constrained by the maximum number of hardware
......@@ -43,7 +38,6 @@
*/
#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
......@@ -54,7 +48,6 @@
#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
......@@ -74,7 +67,6 @@ 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.
*
......@@ -96,7 +88,6 @@ xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
return ret;
}
/*
* XPC establishes channel connections between the local partition and any
* other partition that is currently up. Over these channels, kernel-level
......@@ -122,7 +113,6 @@ xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
#error XPC_NCHANNELS exceeds MAXIMUM allowed.
#endif
/*
* The format of an XPC message is as follows:
*
......@@ -160,12 +150,10 @@ struct xpc_msg {
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))
/*
* 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
......@@ -270,7 +258,6 @@ enum xpc_retval {
xpcUnknownReason /* 116: unknown reason -- must be last in list */
};
/*
* Define the callout function types used by XPC to update the user on
* connection activity and state changes (via the user function registered by
......@@ -375,12 +362,11 @@ enum xpc_retval {
* =====================+================================+=====================
*/
typedef void (*xpc_channel_func)(enum xpc_retval reason, partid_t partid,
int ch_number, void *data, void *key);
typedef void (*xpc_notify_func)(enum xpc_retval reason, partid_t partid,
int ch_number, void *key);
typedef void (*xpc_channel_func) (enum xpc_retval reason, partid_t partid,
int ch_number, void *data, void *key);
typedef void (*xpc_notify_func) (enum xpc_retval reason, partid_t partid,
int ch_number, void *key);
/*
* The following is a registration entry. There is a global array of these,
......@@ -398,50 +384,45 @@ typedef void (*xpc_notify_func)(enum xpc_retval reason, partid_t partid,
*/
struct xpc_registration {
struct mutex mutex;
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 */
u32 assigned_limit; /* limit on #of assigned kthreads */
u32 idle_limit; /* limit on #of idle kthreads */
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 */
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 */
#define XPC_WAIT 0 /* wait flag */
#define XPC_NOWAIT 1 /* no wait flag */
#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 *,
xpc_notify_func, void *);
void (*received)(partid_t, int, void *);
enum xpc_retval (*partid_to_nasids)(partid_t, void *);
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 *,
xpc_notify_func, void *);
void (*received) (partid_t, int, void *);
enum xpc_retval (*partid_to_nasids) (partid_t, 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 *));
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 *));
extern void xpc_clear_interface(void);
extern enum xpc_retval xpc_connect(int, xpc_channel_func, void *, u16,
u16, u32, u32);
u16, u32, u32);
extern void xpc_disconnect(int);
static inline enum xpc_retval
......@@ -458,7 +439,7 @@ xpc_send(partid_t partid, int ch_number, void *payload)
static inline enum xpc_retval
xpc_send_notify(partid_t partid, int ch_number, void *payload,
xpc_notify_func func, void *key)
xpc_notify_func func, void *key)
{
return xpc_interface.send_notify(partid, ch_number, payload, func, key);
}
......@@ -475,11 +456,8 @@ xpc_partid_to_nasids(partid_t partid, void *nasids)
return xpc_interface.partid_to_nasids(partid, nasids);
}
extern u64 xp_nofault_PIOR_target;
extern int xp_nofault_PIOR(void *);
extern int xp_error_PIOR(void);
#endif /* _DRIVERS_MISC_SGIXP_XP_H */
drivers/misc/sgi-xp/xp_main.c
View file @ 4a3ad2dd
......@@ -6,7 +6,6 @@
* Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
* Cross Partition (XP) base.
*
......@@ -15,7 +14,6 @@
*
*/
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/module.h>
......@@ -24,49 +22,49 @@
#include <asm/sn/sn_sal.h>
#include "xp.h"
/*
* Target of nofault PIO read.
*/
u64 xp_nofault_PIOR_target;
/*
* xpc_registrations[] keeps track of xpc_connect()'s done by the kernel-level
* users of XPC.
*/
struct xpc_registration xpc_registrations[XPC_NCHANNELS];
/*
* Initialize the XPC interface to indicate that XPC isn't loaded.
*/
static enum xpc_retval xpc_notloaded(void) { return xpcNotLoaded; }
static enum xpc_retval
xpc_notloaded(void)
{
return xpcNotLoaded;
}
struct xpc_interface xpc_interface = {
(void (*)(int)) xpc_notloaded,
(void (*)(int)) xpc_notloaded,
(enum xpc_retval (*)(partid_t, int, u32, void **)) xpc_notloaded,
(enum xpc_retval (*)(partid_t, int, void *)) xpc_notloaded,
(enum xpc_retval (*)(partid_t, int, void *, xpc_notify_func, void *))
xpc_notloaded,
(void (*)(partid_t, int, void *)) xpc_notloaded,
(enum xpc_retval (*)(partid_t, void *)) xpc_notloaded
(void (*)(int))xpc_notloaded,
(void (*)(int))xpc_notloaded,
(enum xpc_retval(*)(partid_t, int, u32, void **))xpc_notloaded,
(enum xpc_retval(*)(partid_t, int, void *))xpc_notloaded,
(enum xpc_retval(*)(partid_t, int, void *, xpc_notify_func, void *))
xpc_notloaded,
(void (*)(partid_t, int, void *))xpc_notloaded,
(enum xpc_retval(*)(partid_t, void *))xpc_notloaded
};
/*
* XPC calls this when it (the XPC module) has been loaded.
*/
void
xpc_set_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 *,
xpc_notify_func, void *),
void (*received)(partid_t, int, void *),
enum xpc_retval (*partid_to_nasids)(partid_t, void *))
xpc_set_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 *,
xpc_notify_func, void *),
void (*received) (partid_t, int, void *),
enum xpc_retval (*partid_to_nasids) (partid_t, void *))
{
xpc_interface.connect = connect;
xpc_interface.disconnect = disconnect;
......@@ -77,28 +75,27 @@ xpc_set_interface(void (*connect)(int),
xpc_interface.partid_to_nasids = partid_to_nasids;
}
/*
* XPC calls this when it (the XPC module) is being unloaded.
*/
void
xpc_clear_interface(void)
{
xpc_interface.connect = (void (*)(int)) xpc_notloaded;
xpc_interface.disconnect = (void (*)(int)) xpc_notloaded;
xpc_interface.allocate = (enum xpc_retval (*)(partid_t, int, u32,
void **)) xpc_notloaded;
xpc_interface.send = (enum xpc_retval (*)(partid_t, int, void *))
xpc_notloaded;
xpc_interface.send_notify = (enum xpc_retval (*)(partid_t, int, void *,
xpc_notify_func, void *)) xpc_notloaded;
xpc_interface.connect = (void (*)(int))xpc_notloaded;
xpc_interface.disconnect = (void (*)(int))xpc_notloaded;
xpc_interface.allocate = (enum xpc_retval(*)(partid_t, int, u32,
void **))xpc_notloaded;
xpc_interface.send = (enum xpc_retval(*)(partid_t, int, void *))
xpc_notloaded;
xpc_interface.send_notify = (enum xpc_retval(*)(partid_t, int, void *,
xpc_notify_func,
void *))xpc_notloaded;
xpc_interface.received = (void (*)(partid_t, int, void *))
xpc_notloaded;
xpc_interface.partid_to_nasids = (enum xpc_retval (*)(partid_t, void *))
xpc_notloaded;
xpc_notloaded;
xpc_interface.partid_to_nasids = (enum xpc_retval(*)(partid_t, void *))
xpc_notloaded;
}
/*
* Register for automatic establishment of a channel connection whenever
* a partition comes up.
......@@ -125,11 +122,10 @@ xpc_clear_interface(void)
*/
enum xpc_retval
xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
u16 nentries, u32 assigned_limit, u32 idle_limit)
u16 nentries, u32 assigned_limit, u32 idle_limit)
{
struct xpc_registration *registration;
DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
DBUG_ON(payload_size == 0 || nentries == 0);
DBUG_ON(func == NULL);
......@@ -162,7 +158,6 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
return xpcSuccess;
}
/*
* Remove the registration for automatic connection of the specified channel
* when a partition comes up.
......@@ -181,7 +176,6 @@ xpc_disconnect(int ch_number)
{
struct xpc_registration *registration;
DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
registration = &xpc_registrations[ch_number];
......@@ -214,14 +208,12 @@ xpc_disconnect(int ch_number)
return;
}
int __init
xp_init(void)
{
int ret, ch_number;
u64 func_addr = *(u64 *) xp_nofault_PIOR;
u64 err_func_addr = *(u64 *) xp_error_PIOR;
u64 func_addr = *(u64 *)xp_nofault_PIOR;
u64 err_func_addr = *(u64 *)xp_error_PIOR;
if (!ia64_platform_is("sn2")) {
return -ENODEV;
......@@ -237,9 +229,9 @@ xp_init(void)
* work around).
*/
if ((ret = sn_register_nofault_code(func_addr, err_func_addr,
err_func_addr, 1, 1)) != 0) {
err_func_addr, 1, 1)) != 0) {
printk(KERN_ERR "XP: can't register nofault code, error=%d\n",
ret);
ret);
}
/*
* Setup the nofault PIO read target. (There is no special reason why
......@@ -258,22 +250,21 @@ xp_init(void)
return 0;
}
module_init(xp_init);
module_init(xp_init);
void __exit
xp_exit(void)
{
u64 func_addr = *(u64 *) xp_nofault_PIOR;
u64 err_func_addr = *(u64 *) xp_error_PIOR;
u64 func_addr = *(u64 *)xp_nofault_PIOR;
u64 err_func_addr = *(u64 *)xp_error_PIOR;
/* unregister the PIO read nofault code region */
(void) sn_register_nofault_code(func_addr, err_func_addr,
err_func_addr, 1, 0);
(void)sn_register_nofault_code(func_addr, err_func_addr,
err_func_addr, 1, 0);
}
module_exit(xp_exit);
module_exit(xp_exit);
MODULE_AUTHOR("Silicon Graphics, Inc.");
MODULE_DESCRIPTION("Cross Partition (XP) base");
......@@ -287,4 +278,3 @@ EXPORT_SYMBOL(xpc_clear_interface);
EXPORT_SYMBOL(xpc_set_interface);
EXPORT_SYMBOL(xpc_connect);
EXPORT_SYMBOL(xpc_disconnect);
drivers/misc/sgi-xp/xp_nofault.S
View file @ 4a3ad2dd
......@@ -6,7 +6,6 @@
* Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
* The xp_nofault_PIOR function takes a pointer to a remote PIO register
* and attempts to load and consume a value from it. This function
......
drivers/misc/sgi-xp/xpc.h
View file @ 4a3ad2dd
......@@ -6,7 +6,6 @@
* Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
* Cross Partition Communication (XPC) structures and macros.
*/
......@@ -14,7 +13,6 @@
#ifndef _DRIVERS_MISC_SGIXP_XPC_H
#define _DRIVERS_MISC_SGIXP_XPC_H
#include <linux/interrupt.h>
#include <linux/sysctl.h>
#include <linux/device.h>
......@@ -29,7 +27,6 @@
#include <asm/sn/shub_mmr.h>
#include "xp.h"
/*
* XPC Version numbers consist of a major and minor number. XPC can always
* talk to versions with same major #, and never talk to versions with a
......@@ -39,7 +36,6 @@
#define XPC_VERSION_MAJOR(_v) ((_v) >> 4)
#define XPC_VERSION_MINOR(_v) ((_v) & 0xf)
/*
* The next macros define word or bit representations for given
* C-brick nasid in either the SAL provided bit array representing
......@@ -67,7 +63,6 @@
/* define the process name of the discovery thread */
#define XPC_DISCOVERY_THREAD_NAME "xpc_discovery"
/*
* the reserved page
*
......@@ -121,7 +116,7 @@ struct xpc_rsvd_page {
u64 nasids_size; /* SAL: size of each nasid mask in bytes */
};
#define XPC_RP_VERSION _XPC_VERSION(1,1) /* version 1.1 of the reserved page */
#define XPC_RP_VERSION _XPC_VERSION(1,1) /* version 1.1 of the reserved page */
#define XPC_SUPPORTS_RP_STAMP(_version) \
(_version >= _XPC_VERSION(1,1))
......@@ -138,14 +133,12 @@ xpc_compare_stamps(struct timespec *stamp1, struct timespec *stamp2)
{
int ret;
if ((ret = stamp1->tv_sec - stamp2->tv_sec) == 0) {
ret = stamp1->tv_nsec - stamp2->tv_nsec;
}
return ret;
}
/*
* Define the structures by which XPC variables can be exported to other
* partitions. (There are two: struct xpc_vars and struct xpc_vars_part)
......@@ -172,12 +165,11 @@ struct xpc_vars {
AMO_t *amos_page; /* vaddr of page of AMOs from MSPEC driver */
};
#define XPC_V_VERSION _XPC_VERSION(3,1) /* version 3.1 of the cross vars */
#define XPC_V_VERSION _XPC_VERSION(3,1) /* version 3.1 of the cross vars */
#define XPC_SUPPORTS_DISENGAGE_REQUEST(_version) \
(_version >= _XPC_VERSION(3,1))
static inline int
xpc_hb_allowed(partid_t partid, struct xpc_vars *vars)
{
......@@ -193,7 +185,7 @@ xpc_allow_hb(partid_t partid, struct xpc_vars *vars)
old_mask = vars->heartbeating_to_mask;
new_mask = (old_mask | (1UL << partid));
} while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) !=
old_mask);
old_mask);
}
static inline void
......@@ -205,10 +197,9 @@ xpc_disallow_hb(partid_t partid, struct xpc_vars *vars)
old_mask = vars->heartbeating_to_mask;
new_mask = (old_mask & ~(1UL << partid));
} while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) !=
old_mask);
old_mask);
}
/*
* The AMOs page consists of a number of AMO variables which are divided into
* four groups, The first two groups are used to identify an IRQ's sender.
......@@ -222,7 +213,6 @@ xpc_disallow_hb(partid_t partid, struct xpc_vars *vars)
#define XPC_ENGAGED_PARTITIONS_AMO (XPC_ACTIVATE_IRQ_AMOS + XP_NASID_MASK_WORDS)
#define XPC_DISENGAGE_REQUEST_AMO (XPC_ENGAGED_PARTITIONS_AMO + 1)
/*
* The following structure describes the per partition specific variables.
*
......@@ -257,9 +247,8 @@ struct xpc_vars_part {
* MAGIC2 indicates that this partition has pulled the remote partititions
* per partition variables that pertain to this partition.
*/
#define XPC_VP_MAGIC1 0x0053524156435058L /* 'XPCVARS\0'L (little endian) */
#define XPC_VP_MAGIC2 0x0073726176435058L /* 'XPCvars\0'L (little endian) */
#define XPC_VP_MAGIC1 0x0053524156435058L /* 'XPCVARS\0'L (little endian) */
#define XPC_VP_MAGIC2 0x0073726176435058L /* 'XPCvars\0'L (little endian) */
/* the reserved page sizes and offsets */
......@@ -271,7 +260,6 @@ struct xpc_vars_part {
#define XPC_RP_VARS(_rp) ((struct xpc_vars *) XPC_RP_MACH_NASIDS(_rp) + xp_nasid_mask_words)
#define XPC_RP_VARS_PART(_rp) (struct xpc_vars_part *) ((u8 *) XPC_RP_VARS(rp) + XPC_RP_VARS_SIZE)
/*
* Functions registered by add_timer() or called by kernel_thread() only
* allow for a single 64-bit argument. The following macros can be used to
......@@ -285,8 +273,6 @@ struct xpc_vars_part {
#define XPC_UNPACK_ARG1(_args) (((u64) _args) & 0xffffffff)
#define XPC_UNPACK_ARG2(_args) ((((u64) _args) >> 32) & 0xffffffff)
/*
* Define a Get/Put value pair (pointers) used with a message queue.
*/
......@@ -298,8 +284,6 @@ struct xpc_gp {
#define XPC_GP_SIZE \
L1_CACHE_ALIGN(sizeof(struct xpc_gp) * XPC_NCHANNELS)
/*
* Define a structure that contains arguments associated with opening and
* closing a channel.
......@@ -315,20 +299,15 @@ struct xpc_openclose_args {
#define XPC_OPENCLOSE_ARGS_SIZE \
L1_CACHE_ALIGN(sizeof(struct xpc_openclose_args) * XPC_NCHANNELS)
/* struct xpc_msg flags */
#define XPC_M_DONE 0x01 /* msg has been received/consumed */
#define XPC_M_READY 0x02 /* msg is ready to be sent */
#define XPC_M_INTERRUPT 0x04 /* send interrupt when msg consumed */
#define XPC_MSG_ADDRESS(_payload) \
((struct xpc_msg *)((u8 *)(_payload) - XPC_MSG_PAYLOAD_OFFSET))
/*
* Defines notify entry.
*
......@@ -336,19 +315,17 @@ struct xpc_openclose_args {
* and consumed by the intended recipient.
*/
struct xpc_notify {
volatile u8 type; /* type of notification */
volatile u8 type; /* type of notification */
/* the following two fields are only used if type == XPC_N_CALL */
xpc_notify_func func; /* user's notify function */
void *key; /* pointer to user's key */
xpc_notify_func func; /* user's notify function */
void *key; /* pointer to user's key */
};
/* struct xpc_notify type of notification */
#define XPC_N_CALL 0x01 /* notify function provided by user */
/*
* Define the structure that manages all the stuff required by a channel. In
* particular, they are used to manage the messages sent across the channel.
......@@ -428,48 +405,48 @@ struct xpc_notify {
* messages.
*/
struct xpc_channel {
partid_t partid; /* ID of remote partition connected */
spinlock_t lock; /* lock for updating this structure */
u32 flags; /* general flags */
partid_t partid; /* ID of remote partition connected */
spinlock_t lock; /* lock for updating this structure */
u32 flags; /* general flags */
enum xpc_retval reason; /* reason why channel is disconnect'g */
int reason_line; /* line# disconnect initiated from */
enum xpc_retval reason; /* reason why channel is disconnect'g */
int reason_line; /* line# disconnect initiated from */
u16 number; /* channel # */
u16 number; /* channel # */
u16 msg_size; /* sizeof each msg entry */
u16 local_nentries; /* #of msg entries in local msg queue */
u16 remote_nentries; /* #of msg entries in remote msg queue*/
u16 msg_size; /* sizeof each msg entry */
u16 local_nentries; /* #of msg entries in local msg queue */
u16 remote_nentries; /* #of msg entries in remote msg queue */
void *local_msgqueue_base; /* base address of kmalloc'd space */
struct xpc_msg *local_msgqueue; /* local message queue */
void *remote_msgqueue_base; /* base address of kmalloc'd space */
struct xpc_msg *remote_msgqueue;/* cached copy of remote partition's */
/* local message queue */
u64 remote_msgqueue_pa; /* phys addr of remote partition's */
/* local message queue */
struct xpc_msg *remote_msgqueue; /* cached copy of remote partition's */
/* local message queue */
u64 remote_msgqueue_pa; /* phys addr of remote partition's */
/* local message queue */
atomic_t references; /* #of external references to queues */
atomic_t references; /* #of external references to queues */
atomic_t n_on_msg_allocate_wq; /* #on msg allocation wait queue */
wait_queue_head_t msg_allocate_wq; /* msg allocation wait queue */
atomic_t n_on_msg_allocate_wq; /* #on msg allocation wait queue */
wait_queue_head_t msg_allocate_wq; /* msg allocation wait queue */
u8 delayed_IPI_flags; /* IPI flags received, but delayed */
/* action until channel disconnected */
u8 delayed_IPI_flags; /* IPI flags received, but delayed */
/* action until channel disconnected */
/* queue of msg senders who want to be notified when msg received */
atomic_t n_to_notify; /* #of msg senders to notify */
struct xpc_notify *notify_queue;/* notify queue for messages sent */
atomic_t n_to_notify; /* #of msg senders to notify */
struct xpc_notify *notify_queue; /* notify queue for messages sent */
xpc_channel_func func; /* user's channel function */
void *key; /* pointer to user's key */
xpc_channel_func func; /* user's channel function */
void *key; /* pointer to user's key */
struct mutex msg_to_pull_mutex; /* next msg to pull serialization */
struct completion wdisconnect_wait; /* wait for channel disconnect */
struct completion wdisconnect_wait; /* wait for channel disconnect */
struct xpc_openclose_args *local_openclose_args; /* args passed on */
/* opening or closing of channel */
struct xpc_openclose_args *local_openclose_args; /* args passed on */
/* opening or closing of channel */
/* various flavors of local and remote Get/Put values */
......@@ -477,7 +454,7 @@ struct xpc_channel {
struct xpc_gp remote_GP; /* remote Get/Put values */
struct xpc_gp w_local_GP; /* working local Get/Put values */
struct xpc_gp w_remote_GP; /* working remote Get/Put values */
s64 next_msg_to_pull; /* Put value of next msg to pull */
s64 next_msg_to_pull; /* Put value of next msg to pull */
/* kthread management related fields */
......@@ -485,48 +462,45 @@ struct xpc_channel {
// >>> allow the assigned limit be unbounded and let the idle limit be dynamic
// >>> dependent on activity over the last interval of time
atomic_t kthreads_assigned; /* #of kthreads assigned to channel */
u32 kthreads_assigned_limit; /* limit on #of kthreads assigned */
atomic_t kthreads_idle; /* #of kthreads idle waiting for work */
u32 kthreads_assigned_limit; /* limit on #of kthreads assigned */
atomic_t kthreads_idle; /* #of kthreads idle waiting for work */
u32 kthreads_idle_limit; /* limit on #of kthreads idle */
atomic_t kthreads_active; /* #of kthreads actively working */
// >>> following field is temporary
u32 kthreads_created; /* total #of kthreads created */
u32 kthreads_created; /* total #of kthreads created */
wait_queue_head_t idle_wq; /* idle kthread wait queue */
} ____cacheline_aligned;
/* struct xpc_channel flags */
#define XPC_C_WASCONNECTED 0x00000001 /* channel was connected */
#define XPC_C_WASCONNECTED 0x00000001 /* channel was connected */
#define XPC_C_ROPENREPLY 0x00000002 /* remote open channel reply */
#define XPC_C_OPENREPLY 0x00000004 /* local open channel reply */
#define XPC_C_ROPENREQUEST 0x00000008 /* remote open channel request */
#define XPC_C_OPENREQUEST 0x00000010 /* local open channel request */
#define XPC_C_ROPENREPLY 0x00000002 /* remote open channel reply */
#define XPC_C_OPENREPLY 0x00000004 /* local open channel reply */
#define XPC_C_ROPENREQUEST 0x00000008 /* remote open channel request */
#define XPC_C_OPENREQUEST 0x00000010 /* local open channel request */
#define XPC_C_SETUP 0x00000020 /* channel's msgqueues are alloc'd */
#define XPC_C_CONNECTEDCALLOUT 0x00000040 /* connected callout initiated */
#define XPC_C_SETUP 0x00000020 /* channel's msgqueues are alloc'd */
#define XPC_C_CONNECTEDCALLOUT 0x00000040 /* connected callout initiated */
#define XPC_C_CONNECTEDCALLOUT_MADE \
0x00000080 /* connected callout completed */
#define XPC_C_CONNECTED 0x00000100 /* local channel is connected */
#define XPC_C_CONNECTING 0x00000200 /* channel is being connected */
0x00000080 /* connected callout completed */
#define XPC_C_CONNECTED 0x00000100 /* local channel is connected */
#define XPC_C_CONNECTING 0x00000200 /* channel is being connected */
#define XPC_C_RCLOSEREPLY 0x00000400 /* remote close channel reply */
#define XPC_C_CLOSEREPLY 0x00000800 /* local close channel reply */
#define XPC_C_RCLOSEREQUEST 0x00001000 /* remote close channel request */
#define XPC_C_CLOSEREQUEST 0x00002000 /* local close channel request */
#define XPC_C_RCLOSEREPLY 0x00000400 /* remote close channel reply */
#define XPC_C_CLOSEREPLY 0x00000800 /* local close channel reply */
#define XPC_C_RCLOSEREQUEST 0x00001000 /* remote close channel request */
#define XPC_C_CLOSEREQUEST 0x00002000 /* local close channel request */
#define XPC_C_DISCONNECTED 0x00004000 /* channel is disconnected */
#define XPC_C_DISCONNECTING 0x00008000 /* channel is being disconnected */
#define XPC_C_DISCONNECTED 0x00004000 /* channel is disconnected */
#define XPC_C_DISCONNECTING 0x00008000 /* channel is being disconnected */
#define XPC_C_DISCONNECTINGCALLOUT \
0x00010000 /* disconnecting callout initiated */
0x00010000 /* disconnecting callout initiated */
#define XPC_C_DISCONNECTINGCALLOUT_MADE \
0x00020000 /* disconnecting callout completed */
#define XPC_C_WDISCONNECT 0x00040000 /* waiting for channel disconnect */
0x00020000 /* disconnecting callout completed */
#define XPC_C_WDISCONNECT 0x00040000 /* waiting for channel disconnect */
/*
* Manages channels on a partition basis. There is one of these structures
......@@ -537,33 +511,31 @@ struct xpc_partition {
/* XPC HB infrastructure */
u8 remote_rp_version; /* version# of partition's rsvd pg */
struct timespec remote_rp_stamp;/* time when rsvd pg was initialized */
u64 remote_rp_pa; /* phys addr of partition's rsvd pg */
u64 remote_vars_pa; /* phys addr of partition's vars */
u8 remote_rp_version; /* version# of partition's rsvd pg */
struct timespec remote_rp_stamp; /* time when rsvd pg was initialized */
u64 remote_rp_pa; /* phys addr of partition's rsvd pg */
u64 remote_vars_pa; /* phys addr of partition's vars */
u64 remote_vars_part_pa; /* phys addr of partition's vars part */
u64 last_heartbeat; /* HB at last read */
u64 last_heartbeat; /* HB at last read */
u64 remote_amos_page_pa; /* phys addr of partition's amos page */
int remote_act_nasid; /* active part's act/deact nasid */
int remote_act_nasid; /* active part's act/deact nasid */
int remote_act_phys_cpuid; /* active part's act/deact phys cpuid */
u32 act_IRQ_rcvd; /* IRQs since activation */
spinlock_t act_lock; /* protect updating of act_state */
u8 act_state; /* from XPC HB viewpoint */
u8 remote_vars_version; /* version# of partition's vars */
enum xpc_retval reason; /* reason partition is deactivating */
int reason_line; /* line# deactivation initiated from */
int reactivate_nasid; /* nasid in partition to reactivate */
unsigned long disengage_request_timeout; /* timeout in jiffies */
u32 act_IRQ_rcvd; /* IRQs since activation */
spinlock_t act_lock; /* protect updating of act_state */
u8 act_state; /* from XPC HB viewpoint */
u8 remote_vars_version; /* version# of partition's vars */
enum xpc_retval reason; /* reason partition is deactivating */
int reason_line; /* line# deactivation initiated from */
int reactivate_nasid; /* nasid in partition to reactivate */
unsigned long disengage_request_timeout; /* timeout in jiffies */
struct timer_list disengage_request_timer;
/* XPC infrastructure referencing and teardown control */
volatile u8 setup_state; /* infrastructure setup state */
wait_queue_head_t teardown_wq; /* kthread waiting to teardown infra */
atomic_t references; /* #of references to infrastructure */
atomic_t references; /* #of references to infrastructure */
/*
* NONE OF THE PRECEDING FIELDS OF THIS STRUCTURE WILL BE CLEARED WHEN
......@@ -572,53 +544,48 @@ struct xpc_partition {
* 'nchannels' FIELD MUST BE THE FIRST OF THE FIELDS TO BE CLEARED.)
*/
u8 nchannels; /* #of defined channels supported */
atomic_t nchannels_active; /* #of channels that are not DISCONNECTED */
atomic_t nchannels_engaged;/* #of channels engaged with remote part */
struct xpc_channel *channels;/* array of channel structures */
void *local_GPs_base; /* base address of kmalloc'd space */
struct xpc_gp *local_GPs; /* local Get/Put values */
void *remote_GPs_base; /* base address of kmalloc'd space */
struct xpc_gp *remote_GPs;/* copy of remote partition's local Get/Put */
/* values */
u64 remote_GPs_pa; /* phys address of remote partition's local */
/* Get/Put values */
u8 nchannels; /* #of defined channels supported */
atomic_t nchannels_active; /* #of channels that are not DISCONNECTED */
atomic_t nchannels_engaged; /* #of channels engaged with remote part */
struct xpc_channel *channels; /* array of channel structures */
void *local_GPs_base; /* base address of kmalloc'd space */
struct xpc_gp *local_GPs; /* local Get/Put values */
void *remote_GPs_base; /* base address of kmalloc'd space */
struct xpc_gp *remote_GPs; /* copy of remote partition's local Get/Put */
/* values */
u64 remote_GPs_pa; /* phys address of remote partition's local */
/* Get/Put values */
/* fields used to pass args when opening or closing a channel */
void *local_openclose_args_base; /* base address of kmalloc'd space */
struct xpc_openclose_args *local_openclose_args; /* local's args */
void *remote_openclose_args_base; /* base address of kmalloc'd space */
struct xpc_openclose_args *remote_openclose_args; /* copy of remote's */
/* args */
u64 remote_openclose_args_pa; /* phys addr of remote's args */
void *local_openclose_args_base; /* base address of kmalloc'd space */
struct xpc_openclose_args *local_openclose_args; /* local's args */
void *remote_openclose_args_base; /* base address of kmalloc'd space */
struct xpc_openclose_args *remote_openclose_args; /* copy of remote's */
/* args */
u64 remote_openclose_args_pa; /* phys addr of remote's args */
/* IPI sending, receiving and handling related fields */
int remote_IPI_nasid; /* nasid of where to send IPIs */
int remote_IPI_phys_cpuid; /* phys CPU ID of where to send IPIs */
AMO_t *remote_IPI_amo_va; /* address of remote IPI AMO_t structure */
int remote_IPI_nasid; /* nasid of where to send IPIs */
int remote_IPI_phys_cpuid; /* phys CPU ID of where to send IPIs */
AMO_t *remote_IPI_amo_va; /* address of remote IPI AMO_t structure */
AMO_t *local_IPI_amo_va; /* address of IPI AMO_t structure */
u64 local_IPI_amo; /* IPI amo flags yet to be handled */
char IPI_owner[8]; /* IPI owner's name */
struct timer_list dropped_IPI_timer; /* dropped IPI timer */
spinlock_t IPI_lock; /* IPI handler lock */
AMO_t *local_IPI_amo_va; /* address of IPI AMO_t structure */
u64 local_IPI_amo; /* IPI amo flags yet to be handled */
char IPI_owner[8]; /* IPI owner's name */
struct timer_list dropped_IPI_timer; /* dropped IPI timer */
spinlock_t IPI_lock; /* IPI handler lock */
/* channel manager related fields */
atomic_t channel_mgr_requests; /* #of requests to activate chan mgr */
wait_queue_head_t channel_mgr_wq; /* channel mgr's wait queue */
wait_queue_head_t channel_mgr_wq; /* channel mgr's wait queue */
} ____cacheline_aligned;
/* struct xpc_partition act_state values (for XPC HB) */
#define XPC_P_INACTIVE 0x00 /* partition is not active */
......@@ -627,11 +594,9 @@ struct xpc_partition {
#define XPC_P_ACTIVE 0x03 /* xpc_partition_up() was called */
#define XPC_P_DEACTIVATING 0x04 /* partition deactivation initiated */
#define XPC_DEACTIVATE_PARTITION(_p, _reason) \
xpc_deactivate_partition(__LINE__, (_p), (_reason))
/* struct xpc_partition setup_state values */
#define XPC_P_UNSET 0x00 /* infrastructure was never setup */
......@@ -639,8 +604,6 @@ struct xpc_partition {
#define XPC_P_WTEARDOWN 0x02 /* waiting to teardown infrastructure */
#define XPC_P_TORNDOWN 0x03 /* infrastructure is torndown */
/*
* struct xpc_partition IPI_timer #of seconds to wait before checking for
* dropped IPIs. These occur whenever an IPI amo write doesn't complete until
......@@ -648,22 +611,17 @@ struct xpc_partition {
*/
#define XPC_P_DROPPED_IPI_WAIT (0.25 * HZ)
/* number of seconds to wait for other partitions to disengage */
#define XPC_DISENGAGE_REQUEST_DEFAULT_TIMELIMIT 90
/* interval in seconds to print 'waiting disengagement' messages */
#define XPC_DISENGAGE_PRINTMSG_INTERVAL 10
#define XPC_PARTID(_p) ((partid_t) ((_p) - &xpc_partitions[0]))
/* found in xp_main.c */
extern struct xpc_registration xpc_registrations[];
/* found in xpc_main.c */
extern struct device *xpc_part;
extern struct device *xpc_chan;
......@@ -676,7 +634,6 @@ extern void xpc_activate_kthreads(struct xpc_channel *, int);
extern void xpc_create_kthreads(struct xpc_channel *, int, int);
extern void xpc_disconnect_wait(int);
/* found in xpc_partition.c */
extern int xpc_exiting;
extern struct xpc_vars *xpc_vars;
......@@ -696,10 +653,9 @@ extern void xpc_mark_partition_inactive(struct xpc_partition *);
extern void xpc_discovery(void);
extern void xpc_check_remote_hb(void);
extern void xpc_deactivate_partition(const int, struct xpc_partition *,
enum xpc_retval);
enum xpc_retval);
extern enum xpc_retval xpc_initiate_partid_to_nasids(partid_t, void *);
/* found in xpc_channel.c */
extern void xpc_initiate_connect(int);
extern void xpc_initiate_disconnect(int);
......@@ -714,13 +670,11 @@ extern void xpc_process_channel_activity(struct xpc_partition *);
extern void xpc_connected_callout(struct xpc_channel *);
extern void xpc_deliver_msg(struct xpc_channel *);
extern void xpc_disconnect_channel(const int, struct xpc_channel *,
enum xpc_retval, unsigned long *);
enum xpc_retval, unsigned long *);
extern void xpc_disconnect_callout(struct xpc_channel *, enum xpc_retval);
extern void xpc_partition_going_down(struct xpc_partition *, enum xpc_retval);
extern void xpc_teardown_infrastructure(struct xpc_partition *);
static inline void
xpc_wakeup_channel_mgr(struct xpc_partition *part)
{
......@@ -729,8 +683,6 @@ xpc_wakeup_channel_mgr(struct xpc_partition *part)
}
}
/*
* These next two inlines are used to keep us from tearing down a channel's
* msg queues while a thread may be referencing them.
......@@ -752,12 +704,9 @@ xpc_msgqueue_deref(struct xpc_channel *ch)
}
}
#define XPC_DISCONNECT_CHANNEL(_ch, _reason, _irqflgs) \
xpc_disconnect_channel(__LINE__, _ch, _reason, _irqflgs)
/*
* These two inlines are used to keep us from tearing down a partition's
* setup infrastructure while a thread may be referencing it.
......@@ -767,7 +716,6 @@ xpc_part_deref(struct xpc_partition *part)
{
s32 refs = atomic_dec_return(&part->references);
DBUG_ON(refs < 0);
if (refs == 0 && part->setup_state == XPC_P_WTEARDOWN) {
wake_up(&part->teardown_wq);
......@@ -779,7 +727,6 @@ xpc_part_ref(struct xpc_partition *part)
{
int setup;
atomic_inc(&part->references);
setup = (part->setup_state == XPC_P_SETUP);
if (!setup) {
......@@ -788,8 +735,6 @@ xpc_part_ref(struct xpc_partition *part)
return setup;
}
/*
* The following macro is to be used for the setting of the reason and
* reason_line fields in both the struct xpc_channel and struct xpc_partition
......@@ -801,8 +746,6 @@ xpc_part_ref(struct xpc_partition *part)
(_p)->reason_line = _line; \
}
/*
* This next set of inlines are used to keep track of when a partition is
* potentially engaged in accessing memory belonging to another partition.
......@@ -812,23 +755,24 @@ static inline void
xpc_mark_partition_engaged(struct xpc_partition *part)
{
unsigned long irq_flags;
AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
(XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t)));
AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
(XPC_ENGAGED_PARTITIONS_AMO *
sizeof(AMO_t)));
local_irq_save(irq_flags);
/* set bit corresponding to our partid in remote partition's AMO */
FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR,
(1UL << sn_partition_id));
FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR,
(1UL << sn_partition_id));
/*
* We must always use the nofault function regardless of whether we
* are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
* didn't, we'd never know that the other partition is down and would
* keep sending IPIs and AMOs to it until the heartbeat times out.
*/
(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable), xp_nofault_PIOR_target));
(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable),
xp_nofault_PIOR_target));
local_irq_restore(irq_flags);
}
......@@ -837,23 +781,24 @@ static inline void
xpc_mark_partition_disengaged(struct xpc_partition *part)
{
unsigned long irq_flags;
AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
(XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t)));
AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
(XPC_ENGAGED_PARTITIONS_AMO *
sizeof(AMO_t)));
local_irq_save(irq_flags);
/* clear bit corresponding to our partid in remote partition's AMO */
FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
~(1UL << sn_partition_id));
FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
~(1UL << sn_partition_id));
/*
* We must always use the nofault function regardless of whether we
* are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
* didn't, we'd never know that the other partition is down and would
* keep sending IPIs and AMOs to it until the heartbeat times out.
*/
(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable), xp_nofault_PIOR_target));
(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable),
xp_nofault_PIOR_target));
local_irq_restore(irq_flags);
}
......@@ -862,23 +807,23 @@ static inline void
xpc_request_partition_disengage(struct xpc_partition *part)
{
unsigned long irq_flags;
AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
(XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
(XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
local_irq_save(irq_flags);
/* set bit corresponding to our partid in remote partition's AMO */
FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR,
(1UL << sn_partition_id));
FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR,
(1UL << sn_partition_id));
/*
* We must always use the nofault function regardless of whether we
* are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
* didn't, we'd never know that the other partition is down and would
* keep sending IPIs and AMOs to it until the heartbeat times out.
*/
(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable), xp_nofault_PIOR_target));
(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable),
xp_nofault_PIOR_target));
local_irq_restore(irq_flags);
}
......@@ -887,23 +832,23 @@ static inline void
xpc_cancel_partition_disengage_request(struct xpc_partition *part)
{
unsigned long irq_flags;
AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
(XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
(XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
local_irq_save(irq_flags);
/* clear bit corresponding to our partid in remote partition's AMO */
FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
~(1UL << sn_partition_id));
FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
~(1UL << sn_partition_id));
/*
* We must always use the nofault function regardless of whether we
* are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
* didn't, we'd never know that the other partition is down and would
* keep sending IPIs and AMOs to it until the heartbeat times out.
*/
(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable), xp_nofault_PIOR_target));
(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
variable),
xp_nofault_PIOR_target));
local_irq_restore(irq_flags);
}
......@@ -913,10 +858,9 @@ xpc_partition_engaged(u64 partid_mask)
{
AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO;
/* return our partition's AMO variable ANDed with partid_mask */
return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) &
partid_mask);
return (FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_LOAD) &
partid_mask);
}
static inline u64
......@@ -924,10 +868,9 @@ xpc_partition_disengage_requested(u64 partid_mask)
{
AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO;
/* return our partition's AMO variable ANDed with partid_mask */
return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) &
partid_mask);
return (FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_LOAD) &
partid_mask);
}
static inline void
......@@ -935,10 +878,9 @@ xpc_clear_partition_engaged(u64 partid_mask)
{
AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO;
/* clear bit(s) based on partid_mask in our partition's AMO */
FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
~partid_mask);
FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
~partid_mask);
}
static inline void
......@@ -946,14 +888,11 @@ xpc_clear_partition_disengage_request(u64 partid_mask)
{
AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO;
/* clear bit(s) based on partid_mask in our partition's AMO */
FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
~partid_mask);
FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
~partid_mask);
}
/*
* The following set of macros and inlines are used for the sending and
* receiving of IPIs (also known as IRQs). There are two flavors of IPIs,
......@@ -964,20 +903,18 @@ xpc_clear_partition_disengage_request(u64 partid_mask)
static inline u64
xpc_IPI_receive(AMO_t *amo)
{
return FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_CLEAR);
return FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_CLEAR);
}
static inline enum xpc_retval
xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
{
int ret = 0;
unsigned long irq_flags;
local_irq_save(irq_flags);
FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, flag);
FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR, flag);
sn_send_IPI_phys(nasid, phys_cpuid, vector, 0);
/*
......@@ -986,15 +923,14 @@ xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
* didn't, we'd never know that the other partition is down and would
* keep sending IPIs and AMOs to it until the heartbeat times out.
*/
ret = xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->variable),
xp_nofault_PIOR_target));
ret = xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->variable),
xp_nofault_PIOR_target));
local_irq_restore(irq_flags);
return ((ret == 0) ? xpcSuccess : xpcPioReadError);
}
/*
* IPIs associated with SGI_XPC_ACTIVATE IRQ.
*/
......@@ -1004,47 +940,47 @@ xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
*/
static inline void
xpc_activate_IRQ_send(u64 amos_page_pa, int from_nasid, int to_nasid,
int to_phys_cpuid)
int to_phys_cpuid)
{
int w_index = XPC_NASID_W_INDEX(from_nasid);
int b_index = XPC_NASID_B_INDEX(from_nasid);
AMO_t *amos = (AMO_t *) __va(amos_page_pa +
(XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t)));
AMO_t *amos = (AMO_t *)__va(amos_page_pa +
(XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t)));
(void) xpc_IPI_send(&amos[w_index], (1UL << b_index), to_nasid,
to_phys_cpuid, SGI_XPC_ACTIVATE);
(void)xpc_IPI_send(&amos[w_index], (1UL << b_index), to_nasid,
to_phys_cpuid, SGI_XPC_ACTIVATE);
}
static inline void
xpc_IPI_send_activate(struct xpc_vars *vars)
{
xpc_activate_IRQ_send(vars->amos_page_pa, cnodeid_to_nasid(0),
vars->act_nasid, vars->act_phys_cpuid);
vars->act_nasid, vars->act_phys_cpuid);
}
static inline void
xpc_IPI_send_activated(struct xpc_partition *part)
{
xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0),
part->remote_act_nasid, part->remote_act_phys_cpuid);
part->remote_act_nasid,
part->remote_act_phys_cpuid);
}
static inline void
xpc_IPI_send_reactivate(struct xpc_partition *part)
{
xpc_activate_IRQ_send(xpc_vars->amos_page_pa, part->reactivate_nasid,
xpc_vars->act_nasid, xpc_vars->act_phys_cpuid);
xpc_vars->act_nasid, xpc_vars->act_phys_cpuid);
}
static inline void
xpc_IPI_send_disengage(struct xpc_partition *part)
{
xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0),
part->remote_act_nasid, part->remote_act_phys_cpuid);
part->remote_act_nasid,
part->remote_act_phys_cpuid);
}
/*
* IPIs associated with SGI_XPC_NOTIFY IRQ.
*/
......@@ -1058,18 +994,16 @@ xpc_IPI_send_disengage(struct xpc_partition *part)
static inline void
xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
unsigned long *irq_flags)
unsigned long *irq_flags)
{
struct xpc_partition *part = &xpc_partitions[ch->partid];
enum xpc_retval ret;
if (likely(part->act_state != XPC_P_DEACTIVATING)) {
ret = xpc_IPI_send(part->remote_IPI_amo_va,
(u64) ipi_flag << (ch->number * 8),
part->remote_IPI_nasid,
part->remote_IPI_phys_cpuid,
SGI_XPC_NOTIFY);
(u64)ipi_flag << (ch->number * 8),
part->remote_IPI_nasid,
part->remote_IPI_phys_cpuid, SGI_XPC_NOTIFY);
dev_dbg(xpc_chan, "%s sent to partid=%d, channel=%d, ret=%d\n",
ipi_flag_string, ch->partid, ch->number, ret);
if (unlikely(ret != xpcSuccess)) {
......@@ -1084,7 +1018,6 @@ xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
}
}
/*
* Make it look like the remote partition, which is associated with the
* specified channel, sent us an IPI. This faked IPI will be handled
......@@ -1095,18 +1028,16 @@ xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
static inline void
xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag,
char *ipi_flag_string)
char *ipi_flag_string)
{
struct xpc_partition *part = &xpc_partitions[ch->partid];
FETCHOP_STORE_OP(TO_AMO((u64) &part->local_IPI_amo_va->variable),
FETCHOP_OR, ((u64) ipi_flag << (ch->number * 8)));
FETCHOP_STORE_OP(TO_AMO((u64)&part->local_IPI_amo_va->variable),
FETCHOP_OR, ((u64)ipi_flag << (ch->number * 8)));
dev_dbg(xpc_chan, "%s sent local from partid=%d, channel=%d\n",
ipi_flag_string, ch->partid, ch->number);
}
/*
* The sending and receiving of IPIs includes the setting of an AMO variable
* to indicate the reason the IPI was sent. The 64-bit variable is divided
......@@ -1121,7 +1052,6 @@ xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag,
#define XPC_IPI_OPENREPLY 0x08
#define XPC_IPI_MSGREQUEST 0x10
/* given an AMO variable and a channel#, get its associated IPI flags */
#define XPC_GET_IPI_FLAGS(_amo, _c) ((u8) (((_amo) >> ((_c) * 8)) & 0xff))
#define XPC_SET_IPI_FLAGS(_amo, _c, _f) (_amo) |= ((u64) (_f) << ((_c) * 8))
......@@ -1129,13 +1059,11 @@ xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag,
#define XPC_ANY_OPENCLOSE_IPI_FLAGS_SET(_amo) ((_amo) & __IA64_UL_CONST(0x0f0f0f0f0f0f0f0f))
#define XPC_ANY_MSG_IPI_FLAGS_SET(_amo) ((_amo) & __IA64_UL_CONST(0x1010101010101010))
static inline void
xpc_IPI_send_closerequest(struct xpc_channel *ch, unsigned long *irq_flags)
{
struct xpc_openclose_args *args = ch->local_openclose_args;
args->reason = ch->reason;
XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_CLOSEREQUEST, irq_flags);
......@@ -1152,7 +1080,6 @@ xpc_IPI_send_openrequest(struct xpc_channel *ch, unsigned long *irq_flags)
{
struct xpc_openclose_args *args = ch->local_openclose_args;
args->msg_size = ch->msg_size;
args->local_nentries = ch->local_nentries;
......@@ -1164,7 +1091,6 @@ xpc_IPI_send_openreply(struct xpc_channel *ch, unsigned long *irq_flags)
{
struct xpc_openclose_args *args = ch->local_openclose_args;
args->remote_nentries = ch->remote_nentries;
args->local_nentries = ch->local_nentries;
args->local_msgqueue_pa = __pa(ch->local_msgqueue);
......@@ -1184,7 +1110,6 @@ xpc_IPI_send_local_msgrequest(struct xpc_channel *ch)
XPC_NOTIFY_IRQ_SEND_LOCAL(ch, XPC_IPI_MSGREQUEST);
}
/*
* Memory for XPC's AMO variables is allocated by the MSPEC driver. These
* pages are located in the lowest granule. The lowest granule uses 4k pages
......@@ -1201,13 +1126,10 @@ xpc_IPI_init(int index)
{
AMO_t *amo = xpc_vars->amos_page + index;
(void) xpc_IPI_receive(amo); /* clear AMO variable */
(void)xpc_IPI_receive(amo); /* clear AMO variable */
return amo;
}
static inline enum xpc_retval
xpc_map_bte_errors(bte_result_t error)
{
......@@ -1220,22 +1142,31 @@ xpc_map_bte_errors(bte_result_t error)
return xpcBteUnmappedError;
}
switch (error) {
case BTE_SUCCESS: return xpcSuccess;
case BTEFAIL_DIR: return xpcBteDirectoryError;
case BTEFAIL_POISON: return xpcBtePoisonError;
case BTEFAIL_WERR: return xpcBteWriteError;
case BTEFAIL_ACCESS: return xpcBteAccessError;
case BTEFAIL_PWERR: return xpcBtePWriteError;
case BTEFAIL_PRERR: return xpcBtePReadError;
case BTEFAIL_TOUT: return xpcBteTimeOutError;
case BTEFAIL_XTERR: return xpcBteXtalkError;
case BTEFAIL_NOTAVAIL: return xpcBteNotAvailable;
default: return xpcBteUnmappedError;
case BTE_SUCCESS:
return xpcSuccess;
case BTEFAIL_DIR:
return xpcBteDirectoryError;
case BTEFAIL_POISON:
return xpcBtePoisonError;
case BTEFAIL_WERR:
return xpcBteWriteError;
case BTEFAIL_ACCESS:
return xpcBteAccessError;
case BTEFAIL_PWERR:
return xpcBtePWriteError;
case BTEFAIL_PRERR:
return xpcBtePReadError;
case BTEFAIL_TOUT:
return xpcBteTimeOutError;
case BTEFAIL_XTERR:
return xpcBteXtalkError;
case BTEFAIL_NOTAVAIL:
return xpcBteNotAvailable;
default:
return xpcBteUnmappedError;
}
}
/*
* Check to see if there is any channel activity to/from the specified
* partition.
......@@ -1246,7 +1177,6 @@ xpc_check_for_channel_activity(struct xpc_partition *part)
u64 IPI_amo;
unsigned long irq_flags;
IPI_amo = xpc_IPI_receive(part->local_IPI_amo_va);
if (IPI_amo == 0) {
return;
......@@ -1262,6 +1192,4 @@ xpc_check_for_channel_activity(struct xpc_partition *part)
xpc_wakeup_channel_mgr(part);
}
#endif /* _DRIVERS_MISC_SGIXP_XPC_H */
drivers/misc/sgi-xp/xpc_partition.c
View file @ 4a3ad2dd
......@@ -6,7 +6,6 @@
* Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
* Cross Partition Communication (XPC) partition support.
*
......@@ -16,7 +15,6 @@
*
*/
#include <linux/kernel.h>
#include <linux/sysctl.h>
#include <linux/cache.h>
......@@ -30,11 +28,9 @@
#include <asm/sn/addrs.h>
#include "xpc.h"
/* XPC is exiting flag */
int xpc_exiting;
/* SH_IPI_ACCESS shub register value on startup */
static u64 xpc_sh1_IPI_access;
static u64 xpc_sh2_IPI_access0;
......@@ -42,11 +38,9 @@ static u64 xpc_sh2_IPI_access1;
static u64 xpc_sh2_IPI_access2;
static u64 xpc_sh2_IPI_access3;
/* original protection values for each node */
u64 xpc_prot_vec[MAX_NUMNODES];
/* this partition's reserved page pointers */
struct xpc_rsvd_page *xpc_rsvd_page;
static u64 *xpc_part_nasids;
......@@ -57,7 +51,6 @@ struct xpc_vars_part *xpc_vars_part;
static int xp_nasid_mask_bytes; /* actual size in bytes of nasid mask */
static int xp_nasid_mask_words; /* actual size in words of nasid mask */
/*
* For performance reasons, each entry of xpc_partitions[] is cacheline
* aligned. And xpc_partitions[] is padded with an additional entry at the
......@@ -66,7 +59,6 @@ static int xp_nasid_mask_words; /* actual size in words of nasid mask */
*/
struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
/*
* Generic buffer used to store a local copy of portions of a remote
* partition's reserved page (either its header and part_nasids mask,
......@@ -75,7 +67,6 @@ struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
char *xpc_remote_copy_buffer;
void *xpc_remote_copy_buffer_base;
/*
* Guarantee that the kmalloc'd memory is cacheline aligned.
*/
......@@ -87,7 +78,7 @@ xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
if (*base == NULL) {
return NULL;
}
if ((u64) *base == L1_CACHE_ALIGN((u64) *base)) {
if ((u64)*base == L1_CACHE_ALIGN((u64)*base)) {
return *base;
}
kfree(*base);
......@@ -97,10 +88,9 @@ xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
if (*base == NULL) {
return NULL;
}
return (void *) L1_CACHE_ALIGN((u64) *base);
return (void *)L1_CACHE_ALIGN((u64)*base);
}
/*
* Given a nasid, get the physical address of the partition's reserved page
* for that nasid. This function returns 0 on any error.
......@@ -117,11 +107,10 @@ xpc_get_rsvd_page_pa(int nasid)
u64 buf_len = 0;
void *buf_base = NULL;
while (1) {
status = sn_partition_reserved_page_pa(buf, &cookie, &rp_pa,
&len);
&len);
dev_dbg(xpc_part, "SAL returned with status=%li, cookie="
"0x%016lx, address=0x%016lx, len=0x%016lx\n",
......@@ -134,8 +123,9 @@ xpc_get_rsvd_page_pa(int nasid)
if (L1_CACHE_ALIGN(len) > buf_len) {
kfree(buf_base);
buf_len = L1_CACHE_ALIGN(len);
buf = (u64) xpc_kmalloc_cacheline_aligned(buf_len,
GFP_KERNEL, &buf_base);
buf = (u64)xpc_kmalloc_cacheline_aligned(buf_len,
GFP_KERNEL,
&buf_base);
if (buf_base == NULL) {
dev_err(xpc_part, "unable to kmalloc "
"len=0x%016lx\n", buf_len);
......@@ -145,7 +135,7 @@ xpc_get_rsvd_page_pa(int nasid)
}
bte_res = xp_bte_copy(rp_pa, buf, buf_len,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bte_res != BTE_SUCCESS) {
dev_dbg(xpc_part, "xp_bte_copy failed %i\n", bte_res);
status = SALRET_ERROR;
......@@ -162,7 +152,6 @@ xpc_get_rsvd_page_pa(int nasid)
return rp_pa;
}
/*
* Fill the partition reserved page with the information needed by
* other partitions to discover we are alive and establish initial
......@@ -176,7 +165,6 @@ xpc_rsvd_page_init(void)
u64 rp_pa, nasid_array = 0;
int i, ret;
/* get the local reserved page's address */
preempt_disable();
......@@ -186,7 +174,7 @@ xpc_rsvd_page_init(void)
dev_err(xpc_part, "SAL failed to locate the reserved page\n");
return NULL;
}
rp = (struct xpc_rsvd_page *) __va(rp_pa);
rp = (struct xpc_rsvd_page *)__va(rp_pa);
if (rp->partid != sn_partition_id) {
dev_err(xpc_part, "the reserved page's partid of %d should be "
......@@ -223,7 +211,7 @@ xpc_rsvd_page_init(void)
* memory protections are never restricted.
*/
if ((amos_page = xpc_vars->amos_page) == NULL) {
amos_page = (AMO_t *) TO_AMO(uncached_alloc_page(0));
amos_page = (AMO_t *)TO_AMO(uncached_alloc_page(0));
if (amos_page == NULL) {
dev_err(xpc_part, "can't allocate page of AMOs\n");
return NULL;
......@@ -234,30 +222,31 @@ xpc_rsvd_page_init(void)
* when xpc_allow_IPI_ops() is called via xpc_hb_init().
*/
if (!enable_shub_wars_1_1()) {
ret = sn_change_memprotect(ia64_tpa((u64) amos_page),
PAGE_SIZE, SN_MEMPROT_ACCESS_CLASS_1,
&nasid_array);
ret = sn_change_memprotect(ia64_tpa((u64)amos_page),
PAGE_SIZE,
SN_MEMPROT_ACCESS_CLASS_1,
&nasid_array);
if (ret != 0) {
dev_err(xpc_part, "can't change memory "
"protections\n");
uncached_free_page(__IA64_UNCACHED_OFFSET |
TO_PHYS((u64) amos_page));
TO_PHYS((u64)amos_page));
return NULL;
}
}
} else if (!IS_AMO_ADDRESS((u64) amos_page)) {
} else if (!IS_AMO_ADDRESS((u64)amos_page)) {
/*
* EFI's XPBOOT can also set amos_page in the reserved page,
* but it happens to leave it as an uncached physical address
* and we need it to be an uncached virtual, so we'll have to
* convert it.
*/
if (!IS_AMO_PHYS_ADDRESS((u64) amos_page)) {
if (!IS_AMO_PHYS_ADDRESS((u64)amos_page)) {
dev_err(xpc_part, "previously used amos_page address "
"is bad = 0x%p\n", (void *) amos_page);
"is bad = 0x%p\n", (void *)amos_page);
return NULL;
}
amos_page = (AMO_t *) TO_AMO((u64) amos_page);
amos_page = (AMO_t *)TO_AMO((u64)amos_page);
}
/* clear xpc_vars */
......@@ -267,22 +256,21 @@ xpc_rsvd_page_init(void)
xpc_vars->act_nasid = cpuid_to_nasid(0);
xpc_vars->act_phys_cpuid = cpu_physical_id(0);
xpc_vars->vars_part_pa = __pa(xpc_vars_part);
xpc_vars->amos_page_pa = ia64_tpa((u64) amos_page);
xpc_vars->amos_page = amos_page; /* save for next load of XPC */
xpc_vars->amos_page_pa = ia64_tpa((u64)amos_page);
xpc_vars->amos_page = amos_page; /* save for next load of XPC */
/* clear xpc_vars_part */
memset((u64 *) xpc_vars_part, 0, sizeof(struct xpc_vars_part) *
XP_MAX_PARTITIONS);
memset((u64 *)xpc_vars_part, 0, sizeof(struct xpc_vars_part) *
XP_MAX_PARTITIONS);
/* initialize the activate IRQ related AMO variables */
for (i = 0; i < xp_nasid_mask_words; i++) {
(void) xpc_IPI_init(XPC_ACTIVATE_IRQ_AMOS + i);
(void)xpc_IPI_init(XPC_ACTIVATE_IRQ_AMOS + i);
}
/* initialize the engaged remote partitions related AMO variables */
(void) xpc_IPI_init(XPC_ENGAGED_PARTITIONS_AMO);
(void) xpc_IPI_init(XPC_DISENGAGE_REQUEST_AMO);
(void)xpc_IPI_init(XPC_ENGAGED_PARTITIONS_AMO);
(void)xpc_IPI_init(XPC_DISENGAGE_REQUEST_AMO);
/* timestamp of when reserved page was setup by XPC */
rp->stamp = CURRENT_TIME;
......@@ -296,7 +284,6 @@ xpc_rsvd_page_init(void)
return rp;
}
/*
* Change protections to allow IPI operations (and AMO operations on
* Shub 1.1 systems).
......@@ -307,39 +294,38 @@ xpc_allow_IPI_ops(void)
int node;
int nasid;
// >>> Change SH_IPI_ACCESS code to use SAL call once it is available.
if (is_shub2()) {
xpc_sh2_IPI_access0 =
(u64) HUB_L((u64 *) LOCAL_MMR_ADDR(SH2_IPI_ACCESS0));
(u64)HUB_L((u64 *)LOCAL_MMR_ADDR(SH2_IPI_ACCESS0));
xpc_sh2_IPI_access1 =
(u64) HUB_L((u64 *) LOCAL_MMR_ADDR(SH2_IPI_ACCESS1));
(u64)HUB_L((u64 *)LOCAL_MMR_ADDR(SH2_IPI_ACCESS1));
xpc_sh2_IPI_access2 =
(u64) HUB_L((u64 *) LOCAL_MMR_ADDR(SH2_IPI_ACCESS2));
(u64)HUB_L((u64 *)LOCAL_MMR_ADDR(SH2_IPI_ACCESS2));
xpc_sh2_IPI_access3 =
(u64) HUB_L((u64 *) LOCAL_MMR_ADDR(SH2_IPI_ACCESS3));
(u64)HUB_L((u64 *)LOCAL_MMR_ADDR(SH2_IPI_ACCESS3));
for_each_online_node(node) {
nasid = cnodeid_to_nasid(node);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS0),
-1UL);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS1),
-1UL);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS2),
-1UL);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS3),
-1UL);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS0),
-1UL);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS1),
-1UL);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS2),
-1UL);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS3),
-1UL);
}
} else {
xpc_sh1_IPI_access =
(u64) HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_IPI_ACCESS));
(u64)HUB_L((u64 *)LOCAL_MMR_ADDR(SH1_IPI_ACCESS));
for_each_online_node(node) {
nasid = cnodeid_to_nasid(node);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH1_IPI_ACCESS),
-1UL);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH1_IPI_ACCESS),
-1UL);
/*
* Since the BIST collides with memory operations on
......@@ -347,21 +333,23 @@ xpc_allow_IPI_ops(void)
*/
if (enable_shub_wars_1_1()) {
/* open up everything */
xpc_prot_vec[node] = (u64) HUB_L((u64 *)
GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQLP_MMR_DIR_PRIVEC0));
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQLP_MMR_DIR_PRIVEC0),
-1UL);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQRP_MMR_DIR_PRIVEC0),
-1UL);
xpc_prot_vec[node] = (u64)HUB_L((u64 *)
GLOBAL_MMR_ADDR
(nasid,
SH1_MD_DQLP_MMR_DIR_PRIVEC0));
HUB_S((u64 *)
GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQLP_MMR_DIR_PRIVEC0),
-1UL);
HUB_S((u64 *)
GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQRP_MMR_DIR_PRIVEC0),
-1UL);
}
}
}
}
/*
* Restrict protections to disallow IPI operations (and AMO operations on
* Shub 1.1 systems).
......@@ -372,43 +360,41 @@ xpc_restrict_IPI_ops(void)
int node;
int nasid;
// >>> Change SH_IPI_ACCESS code to use SAL call once it is available.
if (is_shub2()) {
for_each_online_node(node) {
nasid = cnodeid_to_nasid(node);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS0),
xpc_sh2_IPI_access0);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS1),
xpc_sh2_IPI_access1);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS2),
xpc_sh2_IPI_access2);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS3),
xpc_sh2_IPI_access3);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS0),
xpc_sh2_IPI_access0);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS1),
xpc_sh2_IPI_access1);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS2),
xpc_sh2_IPI_access2);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH2_IPI_ACCESS3),
xpc_sh2_IPI_access3);
}
} else {
for_each_online_node(node) {
nasid = cnodeid_to_nasid(node);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid, SH1_IPI_ACCESS),
xpc_sh1_IPI_access);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid, SH1_IPI_ACCESS),
xpc_sh1_IPI_access);
if (enable_shub_wars_1_1()) {
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQLP_MMR_DIR_PRIVEC0),
xpc_prot_vec[node]);
HUB_S((u64 *) GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQRP_MMR_DIR_PRIVEC0),
xpc_prot_vec[node]);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQLP_MMR_DIR_PRIVEC0),
xpc_prot_vec[node]);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid,
SH1_MD_DQRP_MMR_DIR_PRIVEC0),
xpc_prot_vec[node]);
}
}
}
}
/*
* At periodic intervals, scan through all active partitions and ensure
* their heartbeat is still active. If not, the partition is deactivated.
......@@ -421,8 +407,7 @@ xpc_check_remote_hb(void)
partid_t partid;
bte_result_t bres;
remote_vars = (struct xpc_vars *) xpc_remote_copy_buffer;
remote_vars = (struct xpc_vars *)xpc_remote_copy_buffer;
for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) {
......@@ -437,18 +422,18 @@ xpc_check_remote_hb(void)
part = &xpc_partitions[partid];
if (part->act_state == XPC_P_INACTIVE ||
part->act_state == XPC_P_DEACTIVATING) {
part->act_state == XPC_P_DEACTIVATING) {
continue;
}
/* pull the remote_hb cache line */
bres = xp_bte_copy(part->remote_vars_pa,
(u64) remote_vars,
XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
(u64)remote_vars,
XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
XPC_DEACTIVATE_PARTITION(part,
xpc_map_bte_errors(bres));
xpc_map_bte_errors(bres));
continue;
}
......@@ -459,8 +444,8 @@ xpc_check_remote_hb(void)
remote_vars->heartbeating_to_mask);
if (((remote_vars->heartbeat == part->last_heartbeat) &&
(remote_vars->heartbeat_offline == 0)) ||
!xpc_hb_allowed(sn_partition_id, remote_vars)) {
(remote_vars->heartbeat_offline == 0)) ||
!xpc_hb_allowed(sn_partition_id, remote_vars)) {
XPC_DEACTIVATE_PARTITION(part, xpcNoHeartbeat);
continue;
......@@ -470,7 +455,6 @@ xpc_check_remote_hb(void)
}
}
/*
* Get a copy of a portion of the remote partition's rsvd page.
*
......@@ -480,11 +464,10 @@ xpc_check_remote_hb(void)
*/
static enum xpc_retval
xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
struct xpc_rsvd_page *remote_rp, u64 *remote_rp_pa)
struct xpc_rsvd_page *remote_rp, u64 *remote_rp_pa)
{
int bres, i;
/* get the reserved page's physical address */
*remote_rp_pa = xpc_get_rsvd_page_pa(nasid);
......@@ -492,30 +475,26 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
return xpcNoRsvdPageAddr;
}
/* pull over the reserved page header and part_nasids mask */
bres = xp_bte_copy(*remote_rp_pa, (u64) remote_rp,
XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
bres = xp_bte_copy(*remote_rp_pa, (u64)remote_rp,
XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
return xpc_map_bte_errors(bres);
}
if (discovered_nasids != NULL) {
u64 *remote_part_nasids = XPC_RP_PART_NASIDS(remote_rp);
for (i = 0; i < xp_nasid_mask_words; i++) {
discovered_nasids[i] |= remote_part_nasids[i];
}
}
/* check that the partid is for another partition */
if (remote_rp->partid < 1 ||
remote_rp->partid > (XP_MAX_PARTITIONS - 1)) {
remote_rp->partid > (XP_MAX_PARTITIONS - 1)) {
return xpcInvalidPartid;
}
......@@ -523,16 +502,14 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
return xpcLocalPartid;
}
if (XPC_VERSION_MAJOR(remote_rp->version) !=
XPC_VERSION_MAJOR(XPC_RP_VERSION)) {
XPC_VERSION_MAJOR(XPC_RP_VERSION)) {
return xpcBadVersion;
}
return xpcSuccess;
}
/*
* Get a copy of the remote partition's XPC variables from the reserved page.
*
......@@ -544,34 +521,32 @@ xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars)
{
int bres;
if (remote_vars_pa == 0) {
return xpcVarsNotSet;
}
/* pull over the cross partition variables */
bres = xp_bte_copy(remote_vars_pa, (u64) remote_vars, XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
bres = xp_bte_copy(remote_vars_pa, (u64)remote_vars, XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
return xpc_map_bte_errors(bres);
}
if (XPC_VERSION_MAJOR(remote_vars->version) !=
XPC_VERSION_MAJOR(XPC_V_VERSION)) {
XPC_VERSION_MAJOR(XPC_V_VERSION)) {
return xpcBadVersion;
}
return xpcSuccess;
}
/*
* Update the remote partition's info.
*/
static void
xpc_update_partition_info(struct xpc_partition *part, u8 remote_rp_version,
struct timespec *remote_rp_stamp, u64 remote_rp_pa,
u64 remote_vars_pa, struct xpc_vars *remote_vars)
struct timespec *remote_rp_stamp, u64 remote_rp_pa,
u64 remote_vars_pa, struct xpc_vars *remote_vars)
{
part->remote_rp_version = remote_rp_version;
dev_dbg(xpc_part, " remote_rp_version = 0x%016x\n",
......@@ -613,7 +588,6 @@ xpc_update_partition_info(struct xpc_partition *part, u8 remote_rp_version,
part->remote_vars_version);
}
/*
* Prior code has determined the nasid which generated an IPI. Inspect
* that nasid to determine if its partition needs to be activated or
......@@ -643,15 +617,14 @@ xpc_identify_act_IRQ_req(int nasid)
struct xpc_partition *part;
enum xpc_retval ret;
/* pull over the reserved page structure */
remote_rp = (struct xpc_rsvd_page *) xpc_remote_copy_buffer;
remote_rp = (struct xpc_rsvd_page *)xpc_remote_copy_buffer;
ret = xpc_get_remote_rp(nasid, NULL, remote_rp, &remote_rp_pa);
if (ret != xpcSuccess) {
dev_warn(xpc_part, "unable to get reserved page from nasid %d, "
"which sent interrupt, reason=%d\n", nasid, ret);
"which sent interrupt, reason=%d\n", nasid, ret);
return;
}
......@@ -663,34 +636,31 @@ xpc_identify_act_IRQ_req(int nasid)
partid = remote_rp->partid;
part = &xpc_partitions[partid];
/* pull over the cross partition variables */
remote_vars = (struct xpc_vars *) xpc_remote_copy_buffer;
remote_vars = (struct xpc_vars *)xpc_remote_copy_buffer;
ret = xpc_get_remote_vars(remote_vars_pa, remote_vars);
if (ret != xpcSuccess) {
dev_warn(xpc_part, "unable to get XPC variables from nasid %d, "
"which sent interrupt, reason=%d\n", nasid, ret);
"which sent interrupt, reason=%d\n", nasid, ret);
XPC_DEACTIVATE_PARTITION(part, ret);
return;
}
part->act_IRQ_rcvd++;
dev_dbg(xpc_part, "partid for nasid %d is %d; IRQs = %d; HB = "
"%ld:0x%lx\n", (int) nasid, (int) partid, part->act_IRQ_rcvd,
"%ld:0x%lx\n", (int)nasid, (int)partid, part->act_IRQ_rcvd,
remote_vars->heartbeat, remote_vars->heartbeating_to_mask);
if (xpc_partition_disengaged(part) &&
part->act_state == XPC_P_INACTIVE) {
if (xpc_partition_disengaged(part) && part->act_state == XPC_P_INACTIVE) {
xpc_update_partition_info(part, remote_rp_version,
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
if (XPC_SUPPORTS_DISENGAGE_REQUEST(part->remote_vars_version)) {
if (xpc_partition_disengage_requested(1UL << partid)) {
......@@ -714,16 +684,15 @@ xpc_identify_act_IRQ_req(int nasid)
if (!XPC_SUPPORTS_RP_STAMP(part->remote_rp_version)) {
DBUG_ON(XPC_SUPPORTS_DISENGAGE_REQUEST(part->
remote_vars_version));
remote_vars_version));
if (!XPC_SUPPORTS_RP_STAMP(remote_rp_version)) {
DBUG_ON(XPC_SUPPORTS_DISENGAGE_REQUEST(remote_vars->
version));
version));
/* see if the other side rebooted */
if (part->remote_amos_page_pa ==
remote_vars->amos_page_pa &&
xpc_hb_allowed(sn_partition_id,
remote_vars)) {
remote_vars->amos_page_pa &&
xpc_hb_allowed(sn_partition_id, remote_vars)) {
/* doesn't look that way, so ignore the IPI */
return;
}
......@@ -735,8 +704,8 @@ xpc_identify_act_IRQ_req(int nasid)
*/
xpc_update_partition_info(part, remote_rp_version,
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
part->reactivate_nasid = nasid;
XPC_DEACTIVATE_PARTITION(part, xpcReactivating);
return;
......@@ -756,15 +725,15 @@ xpc_identify_act_IRQ_req(int nasid)
xpc_clear_partition_disengage_request(1UL << partid);
xpc_update_partition_info(part, remote_rp_version,
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
reactivate = 1;
} else {
DBUG_ON(!XPC_SUPPORTS_DISENGAGE_REQUEST(remote_vars->version));
stamp_diff = xpc_compare_stamps(&part->remote_rp_stamp,
&remote_rp_stamp);
&remote_rp_stamp);
if (stamp_diff != 0) {
DBUG_ON(stamp_diff >= 0);
......@@ -775,17 +744,18 @@ xpc_identify_act_IRQ_req(int nasid)
DBUG_ON(xpc_partition_engaged(1UL << partid));
DBUG_ON(xpc_partition_disengage_requested(1UL <<
partid));
partid));
xpc_update_partition_info(part, remote_rp_version,
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
&remote_rp_stamp,
remote_rp_pa, remote_vars_pa,
remote_vars);
reactivate = 1;
}
}
if (part->disengage_request_timeout > 0 &&
!xpc_partition_disengaged(part)) {
!xpc_partition_disengaged(part)) {
/* still waiting on other side to disengage from us */
return;
}
......@@ -795,12 +765,11 @@ xpc_identify_act_IRQ_req(int nasid)
XPC_DEACTIVATE_PARTITION(part, xpcReactivating);
} else if (XPC_SUPPORTS_DISENGAGE_REQUEST(part->remote_vars_version) &&
xpc_partition_disengage_requested(1UL << partid)) {
xpc_partition_disengage_requested(1UL << partid)) {
XPC_DEACTIVATE_PARTITION(part, xpcOtherGoingDown);
}
}
/*
* Loop through the activation AMO variables and process any bits
* which are set. Each bit indicates a nasid sending a partition
......@@ -813,14 +782,12 @@ xpc_identify_act_IRQ_sender(void)
{
int word, bit;
u64 nasid_mask;
u64 nasid; /* remote nasid */
u64 nasid; /* remote nasid */
int n_IRQs_detected = 0;
AMO_t *act_amos;
act_amos = xpc_vars->amos_page + XPC_ACTIVATE_IRQ_AMOS;
/* scan through act AMO variable looking for non-zero entries */
for (word = 0; word < xp_nasid_mask_words; word++) {
......@@ -837,7 +804,6 @@ xpc_identify_act_IRQ_sender(void)
dev_dbg(xpc_part, "AMO[%d] gave back 0x%lx\n", word,
nasid_mask);
/*
* If this nasid has been added to the machine since
* our partition was reset, this will retain the
......@@ -846,7 +812,6 @@ xpc_identify_act_IRQ_sender(void)
*/
xpc_mach_nasids[word] |= nasid_mask;
/* locate the nasid(s) which sent interrupts */
for (bit = 0; bit < (8 * sizeof(u64)); bit++) {
......@@ -862,7 +827,6 @@ xpc_identify_act_IRQ_sender(void)
return n_IRQs_detected;
}
/*
* See if the other side has responded to a partition disengage request
* from us.
......@@ -873,7 +837,6 @@ xpc_partition_disengaged(struct xpc_partition *part)
partid_t partid = XPC_PARTID(part);
int disengaged;
disengaged = (xpc_partition_engaged(1UL << partid) == 0);
if (part->disengage_request_timeout) {
if (!disengaged) {
......@@ -888,7 +851,7 @@ xpc_partition_disengaged(struct xpc_partition *part)
*/
dev_info(xpc_part, "disengage from remote partition %d "
"timed out\n", partid);
"timed out\n", partid);
xpc_disengage_request_timedout = 1;
xpc_clear_partition_engaged(1UL << partid);
disengaged = 1;
......@@ -898,11 +861,11 @@ xpc_partition_disengaged(struct xpc_partition *part)
/* cancel the timer function, provided it's not us */
if (!in_interrupt()) {
del_singleshot_timer_sync(&part->
disengage_request_timer);
disengage_request_timer);
}
DBUG_ON(part->act_state != XPC_P_DEACTIVATING &&
part->act_state != XPC_P_INACTIVE);
part->act_state != XPC_P_INACTIVE);
if (part->act_state != XPC_P_INACTIVE) {
xpc_wakeup_channel_mgr(part);
}
......@@ -914,7 +877,6 @@ xpc_partition_disengaged(struct xpc_partition *part)
return disengaged;
}
/*
* Mark specified partition as active.
*/
......@@ -924,7 +886,6 @@ xpc_mark_partition_active(struct xpc_partition *part)
unsigned long irq_flags;
enum xpc_retval ret;
dev_dbg(xpc_part, "setting partition %d to ACTIVE\n", XPC_PARTID(part));
spin_lock_irqsave(&part->act_lock, irq_flags);
......@@ -940,17 +901,15 @@ xpc_mark_partition_active(struct xpc_partition *part)
return ret;
}
/*
* Notify XPC that the partition is down.
*/
void
xpc_deactivate_partition(const int line, struct xpc_partition *part,
enum xpc_retval reason)
enum xpc_retval reason)
{
unsigned long irq_flags;
spin_lock_irqsave(&part->act_lock, irq_flags);
if (part->act_state == XPC_P_INACTIVE) {
......@@ -964,7 +923,7 @@ xpc_deactivate_partition(const int line, struct xpc_partition *part,
}
if (part->act_state == XPC_P_DEACTIVATING) {
if ((part->reason == xpcUnloading && reason != xpcUnloading) ||
reason == xpcReactivating) {
reason == xpcReactivating) {
XPC_SET_REASON(part, reason, line);
}
spin_unlock_irqrestore(&part->act_lock, irq_flags);
......@@ -982,9 +941,9 @@ xpc_deactivate_partition(const int line, struct xpc_partition *part,
/* set a timelimit on the disengage request */
part->disengage_request_timeout = jiffies +
(xpc_disengage_request_timelimit * HZ);
(xpc_disengage_request_timelimit * HZ);
part->disengage_request_timer.expires =
part->disengage_request_timeout;
part->disengage_request_timeout;
add_timer(&part->disengage_request_timer);
}
......@@ -994,7 +953,6 @@ xpc_deactivate_partition(const int line, struct xpc_partition *part,
xpc_partition_going_down(part, reason);
}
/*
* Mark specified partition as inactive.
*/
......@@ -1003,7 +961,6 @@ xpc_mark_partition_inactive(struct xpc_partition *part)
{
unsigned long irq_flags;
dev_dbg(xpc_part, "setting partition %d to INACTIVE\n",
XPC_PARTID(part));
......@@ -1013,7 +970,6 @@ xpc_mark_partition_inactive(struct xpc_partition *part)
part->remote_rp_pa = 0;
}
/*
* SAL has provided a partition and machine mask. The partition mask
* contains a bit for each even nasid in our partition. The machine
......@@ -1041,24 +997,22 @@ xpc_discovery(void)
u64 *discovered_nasids;
enum xpc_retval ret;
remote_rp = xpc_kmalloc_cacheline_aligned(XPC_RP_HEADER_SIZE +
xp_nasid_mask_bytes,
GFP_KERNEL, &remote_rp_base);
xp_nasid_mask_bytes,
GFP_KERNEL, &remote_rp_base);
if (remote_rp == NULL) {
return;
}
remote_vars = (struct xpc_vars *) remote_rp;
remote_vars = (struct xpc_vars *)remote_rp;
discovered_nasids = kzalloc(sizeof(u64) * xp_nasid_mask_words,
GFP_KERNEL);
GFP_KERNEL);
if (discovered_nasids == NULL) {
kfree(remote_rp_base);
return;
}
rp = (struct xpc_rsvd_page *) xpc_rsvd_page;
rp = (struct xpc_rsvd_page *)xpc_rsvd_page;
/*
* The term 'region' in this context refers to the minimum number of
......@@ -1081,23 +1035,21 @@ xpc_discovery(void)
for (region = 0; region < max_regions; region++) {
if ((volatile int) xpc_exiting) {
if ((volatile int)xpc_exiting) {
break;
}
dev_dbg(xpc_part, "searching region %d\n", region);
for (nasid = (region * region_size * 2);
nasid < ((region + 1) * region_size * 2);
nasid += 2) {
nasid < ((region + 1) * region_size * 2); nasid += 2) {
if ((volatile int) xpc_exiting) {
if ((volatile int)xpc_exiting) {
break;
}
dev_dbg(xpc_part, "checking nasid %d\n", nasid);
if (XPC_NASID_IN_ARRAY(nasid, xpc_part_nasids)) {
dev_dbg(xpc_part, "PROM indicates Nasid %d is "
"part of the local partition; skipping "
......@@ -1119,11 +1071,10 @@ xpc_discovery(void)
continue;
}
/* pull over the reserved page structure */
ret = xpc_get_remote_rp(nasid, discovered_nasids,
remote_rp, &remote_rp_pa);
remote_rp, &remote_rp_pa);
if (ret != xpcSuccess) {
dev_dbg(xpc_part, "unable to get reserved page "
"from nasid %d, reason=%d\n", nasid,
......@@ -1140,7 +1091,6 @@ xpc_discovery(void)
partid = remote_rp->partid;
part = &xpc_partitions[partid];
/* pull over the cross partition variables */
ret = xpc_get_remote_vars(remote_vars_pa, remote_vars);
......@@ -1171,15 +1121,15 @@ xpc_discovery(void)
* get the same page for remote_act_amos_pa after
* module reloads and system reboots.
*/
if (sn_register_xp_addr_region(
remote_vars->amos_page_pa,
PAGE_SIZE, 1) < 0) {
dev_dbg(xpc_part, "partition %d failed to "
if (sn_register_xp_addr_region
(remote_vars->amos_page_pa, PAGE_SIZE, 1) < 0) {
dev_dbg(xpc_part,
"partition %d failed to "
"register xp_addr region 0x%016lx\n",
partid, remote_vars->amos_page_pa);
XPC_SET_REASON(part, xpcPhysAddrRegFailed,
__LINE__);
__LINE__);
break;
}
......@@ -1195,9 +1145,9 @@ xpc_discovery(void)
remote_vars->act_phys_cpuid);
if (XPC_SUPPORTS_DISENGAGE_REQUEST(remote_vars->
version)) {
version)) {
part->remote_amos_page_pa =
remote_vars->amos_page_pa;
remote_vars->amos_page_pa;
xpc_mark_partition_disengaged(part);
xpc_cancel_partition_disengage_request(part);
}
......@@ -1209,7 +1159,6 @@ xpc_discovery(void)
kfree(remote_rp_base);
}
/*
* Given a partid, get the nasids owned by that partition from the
* remote partition's reserved page.
......@@ -1221,7 +1170,6 @@ xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
u64 part_nasid_pa;
int bte_res;
part = &xpc_partitions[partid];
if (part->remote_rp_pa == 0) {
return xpcPartitionDown;
......@@ -1229,11 +1177,11 @@ xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
memset(nasid_mask, 0, XP_NASID_MASK_BYTES);
part_nasid_pa = (u64) XPC_RP_PART_NASIDS(part->remote_rp_pa);
part_nasid_pa = (u64)XPC_RP_PART_NASIDS(part->remote_rp_pa);
bte_res = xp_bte_copy(part_nasid_pa, (u64) nasid_mask,
xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE), NULL);
bte_res = xp_bte_copy(part_nasid_pa, (u64)nasid_mask,
xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE),
NULL);
return xpc_map_bte_errors(bte_res);
}
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