From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/misc/sgi-xp/xpc.h | 273 ------------------------------------------------------
1 files changed, 0 insertions(+), 273 deletions(-)
diff --git a/kernel/drivers/misc/sgi-xp/xpc.h b/kernel/drivers/misc/sgi-xp/xpc.h
index b94d5f7..71db60e 100644
--- a/kernel/drivers/misc/sgi-xp/xpc.h
+++ b/kernel/drivers/misc/sgi-xp/xpc.h
@@ -71,14 +71,10 @@
* 'SAL_nasids_size'. (Local partition's mask pointers are xpc_part_nasids
* and xpc_mach_nasids.)
*
- * vars (ia64-sn2 only)
- * vars part (ia64-sn2 only)
- *
* Immediately following the mach_nasids mask are the XPC variables
* required by other partitions. First are those that are generic to all
* partitions (vars), followed on the next available cacheline by those
* which are partition specific (vars part). These are setup by XPC.
- * (Local partition's vars pointers are xpc_vars and xpc_vars_part.)
*
* Note: Until 'ts_jiffies' is set non-zero, the partition XPC code has not been
* initialized.
@@ -93,9 +89,6 @@
unsigned long ts_jiffies; /* timestamp when rsvd pg was setup by XPC */
union {
struct {
- unsigned long vars_pa; /* phys addr */
- } sn2;
- struct {
unsigned long heartbeat_gpa; /* phys addr */
unsigned long activate_gru_mq_desc_gpa; /* phys addr */
} uv;
@@ -106,84 +99,14 @@
#define XPC_RP_VERSION _XPC_VERSION(3, 0) /* version 3.0 of the reserved page */
-/*
- * Define the structures by which XPC variables can be exported to other
- * partitions. (There are two: struct xpc_vars and struct xpc_vars_part)
- */
-
-/*
- * The following structure describes the partition generic variables
- * needed by other partitions in order to properly initialize.
- *
- * struct xpc_vars version number also applies to struct xpc_vars_part.
- * Changes to either structure and/or related functionality should be
- * reflected by incrementing either the major or minor version numbers
- * of struct xpc_vars.
- */
-struct xpc_vars_sn2 {
- u8 version;
- u64 heartbeat;
- DECLARE_BITMAP(heartbeating_to_mask, XP_MAX_NPARTITIONS_SN2);
- u64 heartbeat_offline; /* if 0, heartbeat should be changing */
- int activate_IRQ_nasid;
- int activate_IRQ_phys_cpuid;
- unsigned long vars_part_pa;
- unsigned long amos_page_pa;/* paddr of page of amos from MSPEC driver */
- struct amo *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 */
-
-/*
- * The following structure describes the per partition specific variables.
- *
- * An array of these structures, one per partition, will be defined. As a
- * partition becomes active XPC will copy the array entry corresponding to
- * itself from that partition. It is desirable that the size of this structure
- * evenly divides into a 128-byte cacheline, such that none of the entries in
- * this array crosses a 128-byte cacheline boundary. As it is now, each entry
- * occupies 64-bytes.
- */
-struct xpc_vars_part_sn2 {
- u64 magic;
-
- unsigned long openclose_args_pa; /* phys addr of open and close args */
- unsigned long GPs_pa; /* physical address of Get/Put values */
-
- unsigned long chctl_amo_pa; /* physical address of chctl flags' amo */
-
- int notify_IRQ_nasid; /* nasid of where to send notify IRQs */
- int notify_IRQ_phys_cpuid; /* CPUID of where to send notify IRQs */
-
- u8 nchannels; /* #of defined channels supported */
-
- u8 reserved[23]; /* pad to a full 64 bytes */
-};
-
-/*
- * The vars_part MAGIC numbers play a part in the first contact protocol.
- *
- * MAGIC1 indicates that the per partition specific variables for a remote
- * partition have been initialized by this partition.
- *
- * MAGIC2 indicates that this partition has pulled the remote partititions
- * per partition variables that pertain to this partition.
- */
-#define XPC_VP_MAGIC1_SN2 0x0053524156435058L /* 'XPCVARS\0'L (little endian) */
-#define XPC_VP_MAGIC2_SN2 0x0073726176435058L /* 'XPCvars\0'L (little endian) */
-
/* the reserved page sizes and offsets */
#define XPC_RP_HEADER_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_rsvd_page))
-#define XPC_RP_VARS_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_vars_sn2))
#define XPC_RP_PART_NASIDS(_rp) ((unsigned long *)((u8 *)(_rp) + \
XPC_RP_HEADER_SIZE))
#define XPC_RP_MACH_NASIDS(_rp) (XPC_RP_PART_NASIDS(_rp) + \
xpc_nasid_mask_nlongs)
-#define XPC_RP_VARS(_rp) ((struct xpc_vars_sn2 *) \
- (XPC_RP_MACH_NASIDS(_rp) + \
- xpc_nasid_mask_nlongs))
/*
@@ -298,17 +221,6 @@
#define XPC_UNPACK_ARG2(_args) ((((u64)_args) >> 32) & 0xffffffff)
/*
- * Define a Get/Put value pair (pointers) used with a message queue.
- */
-struct xpc_gp_sn2 {
- s64 get; /* Get value */
- s64 put; /* Put value */
-};
-
-#define XPC_GP_SIZE \
- L1_CACHE_ALIGN(sizeof(struct xpc_gp_sn2) * XPC_MAX_NCHANNELS)
-
-/*
* Define a structure that contains arguments associated with opening and
* closing a channel.
*/
@@ -341,30 +253,6 @@
};
/*
- * Define a sn2 styled message.
- *
- * A user-defined message resides in the payload area. The max size of the
- * payload is defined by the user via xpc_connect().
- *
- * The size of a message entry (within a message queue) must be a 128-byte
- * cacheline sized multiple in order to facilitate the BTE transfer of messages
- * from one message queue to another.
- */
-struct xpc_msg_sn2 {
- u8 flags; /* FOR XPC INTERNAL USE ONLY */
- u8 reserved[7]; /* FOR XPC INTERNAL USE ONLY */
- s64 number; /* FOR XPC INTERNAL USE ONLY */
-
- u64 payload; /* user defined portion of message */
-};
-
-/* struct xpc_msg_sn2 flags */
-
-#define XPC_M_SN2_DONE 0x01 /* msg has been received/consumed */
-#define XPC_M_SN2_READY 0x02 /* msg is ready to be sent */
-#define XPC_M_SN2_INTERRUPT 0x04 /* send interrupt when msg consumed */
-
-/*
* The format of a uv XPC notify_mq GRU message is as follows:
*
* A user-defined message resides in the payload area. The max size of the
@@ -388,20 +276,6 @@
struct xpc_notify_mq_msg_uv {
struct xpc_notify_mq_msghdr_uv hdr;
unsigned long payload;
-};
-
-/*
- * Define sn2's notify entry.
- *
- * This is used to notify a message's sender that their message was received
- * and consumed by the intended recipient.
- */
-struct xpc_notify_sn2 {
- 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 */
};
/* struct xpc_notify_sn2 type of notification */
@@ -430,102 +304,6 @@
* allocated at the time a partition becomes active. The array contains one
* of these structures for each potential channel connection to that partition.
*/
-
-/*
- * The following is sn2 only.
- *
- * Each channel structure manages two message queues (circular buffers).
- * They are allocated at the time a channel connection is made. One of
- * these message queues (local_msgqueue) holds the locally created messages
- * that are destined for the remote partition. The other of these message
- * queues (remote_msgqueue) is a locally cached copy of the remote partition's
- * own local_msgqueue.
- *
- * The following is a description of the Get/Put pointers used to manage these
- * two message queues. Consider the local_msgqueue to be on one partition
- * and the remote_msgqueue to be its cached copy on another partition. A
- * description of what each of the lettered areas contains is included.
- *
- *
- * local_msgqueue remote_msgqueue
- *
- * |/////////| |/////////|
- * w_remote_GP.get --> +---------+ |/////////|
- * | F | |/////////|
- * remote_GP.get --> +---------+ +---------+ <-- local_GP->get
- * | | | |
- * | | | E |
- * | | | |
- * | | +---------+ <-- w_local_GP.get
- * | B | |/////////|
- * | | |////D////|
- * | | |/////////|
- * | | +---------+ <-- w_remote_GP.put
- * | | |////C////|
- * local_GP->put --> +---------+ +---------+ <-- remote_GP.put
- * | | |/////////|
- * | A | |/////////|
- * | | |/////////|
- * w_local_GP.put --> +---------+ |/////////|
- * |/////////| |/////////|
- *
- *
- * ( remote_GP.[get|put] are cached copies of the remote
- * partition's local_GP->[get|put], and thus their values can
- * lag behind their counterparts on the remote partition. )
- *
- *
- * A - Messages that have been allocated, but have not yet been sent to the
- * remote partition.
- *
- * B - Messages that have been sent, but have not yet been acknowledged by the
- * remote partition as having been received.
- *
- * C - Area that needs to be prepared for the copying of sent messages, by
- * the clearing of the message flags of any previously received messages.
- *
- * D - Area into which sent messages are to be copied from the remote
- * partition's local_msgqueue and then delivered to their intended
- * recipients. [ To allow for a multi-message copy, another pointer
- * (next_msg_to_pull) has been added to keep track of the next message
- * number needing to be copied (pulled). It chases after w_remote_GP.put.
- * Any messages lying between w_local_GP.get and next_msg_to_pull have
- * been copied and are ready to be delivered. ]
- *
- * E - Messages that have been copied and delivered, but have not yet been
- * acknowledged by the recipient as having been received.
- *
- * F - Messages that have been acknowledged, but XPC has not yet notified the
- * sender that the message was received by its intended recipient.
- * This is also an area that needs to be prepared for the allocating of
- * new messages, by the clearing of the message flags of the acknowledged
- * messages.
- */
-
-struct xpc_channel_sn2 {
- struct xpc_openclose_args *local_openclose_args; /* args passed on */
- /* opening or closing of channel */
-
- void *local_msgqueue_base; /* base address of kmalloc'd space */
- struct xpc_msg_sn2 *local_msgqueue; /* local message queue */
- void *remote_msgqueue_base; /* base address of kmalloc'd space */
- struct xpc_msg_sn2 *remote_msgqueue; /* cached copy of remote */
- /* partition's local message queue */
- unsigned long remote_msgqueue_pa; /* phys addr of remote partition's */
- /* local message queue */
-
- struct xpc_notify_sn2 *notify_queue;/* notify queue for messages sent */
-
- /* various flavors of local and remote Get/Put values */
-
- struct xpc_gp_sn2 *local_GP; /* local Get/Put values */
- struct xpc_gp_sn2 remote_GP; /* remote Get/Put values */
- struct xpc_gp_sn2 w_local_GP; /* working local Get/Put values */
- struct xpc_gp_sn2 w_remote_GP; /* working remote Get/Put values */
- s64 next_msg_to_pull; /* Put value of next msg to pull */
-
- struct mutex msg_to_pull_mutex; /* next msg to pull serialization */
-};
struct xpc_channel_uv {
void *cached_notify_gru_mq_desc; /* remote partition's notify mq's */
@@ -579,7 +357,6 @@
wait_queue_head_t idle_wq; /* idle kthread wait queue */
union {
- struct xpc_channel_sn2 sn2;
struct xpc_channel_uv uv;
} sn;
@@ -666,43 +443,6 @@
return 0;
}
-/*
- * Manage channels on a partition basis. There is one of these structures
- * for each partition (a partition will never utilize the structure that
- * represents itself).
- */
-
-struct xpc_partition_sn2 {
- unsigned long remote_amos_page_pa; /* paddr of partition's amos page */
- int activate_IRQ_nasid; /* active partition's act/deact nasid */
- int activate_IRQ_phys_cpuid; /* active part's act/deact phys cpuid */
-
- unsigned long remote_vars_pa; /* phys addr of partition's vars */
- unsigned long remote_vars_part_pa; /* paddr of partition's vars part */
- u8 remote_vars_version; /* version# of partition's vars */
-
- void *local_GPs_base; /* base address of kmalloc'd space */
- struct xpc_gp_sn2 *local_GPs; /* local Get/Put values */
- void *remote_GPs_base; /* base address of kmalloc'd space */
- struct xpc_gp_sn2 *remote_GPs; /* copy of remote partition's local */
- /* Get/Put values */
- unsigned long remote_GPs_pa; /* phys addr of remote partition's local */
- /* Get/Put values */
-
- void *local_openclose_args_base; /* base address of kmalloc'd space */
- struct xpc_openclose_args *local_openclose_args; /* local's args */
- unsigned long remote_openclose_args_pa; /* phys addr of remote's args */
-
- int notify_IRQ_nasid; /* nasid of where to send notify IRQs */
- int notify_IRQ_phys_cpuid; /* CPUID of where to send notify IRQs */
- char notify_IRQ_owner[8]; /* notify IRQ's owner's name */
-
- struct amo *remote_chctl_amo_va; /* addr of remote chctl flags' amo */
- struct amo *local_chctl_amo_va; /* address of chctl flags' amo */
-
- struct timer_list dropped_notify_IRQ_timer; /* dropped IRQ timer */
-};
-
struct xpc_partition_uv {
unsigned long heartbeat_gpa; /* phys addr of partition's heartbeat */
struct xpc_heartbeat_uv cached_heartbeat; /* cached copy of */
@@ -774,7 +514,6 @@
wait_queue_head_t channel_mgr_wq; /* channel mgr's wait queue */
union {
- struct xpc_partition_sn2 sn2;
struct xpc_partition_uv uv;
} sn;
@@ -854,14 +593,6 @@
#define XPC_P_SS_WTEARDOWN 0x02 /* waiting to teardown infrastructure */
#define XPC_P_SS_TORNDOWN 0x03 /* infrastructure is torndown */
-/*
- * struct xpc_partition_sn2's dropped notify IRQ timer is set to wait the
- * following interval #of seconds before checking for dropped notify IRQs.
- * These can occur whenever an IRQ's associated amo write doesn't complete
- * until after the IRQ was received.
- */
-#define XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL (0.25 * HZ)
-
/* number of seconds to wait for other partitions to disengage */
#define XPC_DISENGAGE_DEFAULT_TIMELIMIT 90
@@ -887,10 +618,6 @@
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_sn2.c */
-extern int xpc_init_sn2(void);
-extern void xpc_exit_sn2(void);
/* found in xpc_uv.c */
extern int xpc_init_uv(void);
--
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