1 files changed, 0 insertions, 255 deletions
diff --git a/arch/ia64/sn/kernel/bte_error.c b/arch/ia64/sn/kernel/bte_error.c
deleted file mode 100644
index d92786c09b34..000000000000
--- a/arch/ia64/sn/kernel/bte_error.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 2000-2007 Silicon Graphics, Inc.  All Rights Reserved.
- */
-
-#include <linux/types.h>
-#include <asm/sn/sn_sal.h>
-#include "ioerror.h"
-#include <asm/sn/addrs.h>
-#include <asm/sn/shubio.h>
-#include <asm/sn/geo.h>
-#include "xtalk/xwidgetdev.h"
-#include "xtalk/hubdev.h"
-#include <asm/sn/bte.h>
-#include <asm/param.h>
-
-/*
- * Bte error handling is done in two parts.  The first captures
- * any crb related errors.  Since there can be multiple crbs per
- * interface and multiple interfaces active, we need to wait until
- * all active crbs are completed.  This is the first job of the
- * second part error handler.  When all bte related CRBs are cleanly
- * completed, it resets the interfaces and gets them ready for new
- * transfers to be queued.
- */
-
-/*
- * Wait until all BTE related CRBs are completed
- * and then reset the interfaces.
- */
-static int shub1_bte_error_handler(struct nodepda_s *err_nodepda)
-{
-	struct timer_list *recovery_timer = &err_nodepda->bte_recovery_timer;
-	nasid_t nasid;
-	int i;
-	int valid_crbs;
-	ii_imem_u_t imem;	/* II IMEM Register */
-	ii_icrb0_d_u_t icrbd;	/* II CRB Register D */
-	ii_ibcr_u_t ibcr;
-	ii_icmr_u_t icmr;
-	ii_ieclr_u_t ieclr;
-
-	BTE_PRINTK(("shub1_bte_error_handler(%p) - %d\n", err_nodepda,
-		    smp_processor_id()));
-
-	if ((err_nodepda->bte_if[0].bh_error == BTE_SUCCESS) &&
-	    (err_nodepda->bte_if[1].bh_error == BTE_SUCCESS)) {
-		BTE_PRINTK(("eh:%p:%d Nothing to do.\n", err_nodepda,
-			    smp_processor_id()));
-		return 1;
-	}
-
-	/* Determine information about our hub */
-	nasid = cnodeid_to_nasid(err_nodepda->bte_if[0].bte_cnode);
-
-	/*
-	 * A BTE transfer can use multiple CRBs.  We need to make sure
-	 * that all the BTE CRBs are complete (or timed out) before
-	 * attempting to clean up the error.  Resetting the BTE while
-	 * there are still BTE CRBs active will hang the BTE.
-	 * We should look at all the CRBs to see if they are allocated
-	 * to the BTE and see if they are still active.  When none
-	 * are active, we can continue with the cleanup.
-	 *
-	 * We also want to make sure that the local NI port is up.
-	 * When a router resets the NI port can go down, while it
-	 * goes through the LLP handshake, but then comes back up.
-	 */
-	icmr.ii_icmr_regval = REMOTE_HUB_L(nasid, IIO_ICMR);
-	if (icmr.ii_icmr_fld_s.i_crb_mark != 0) {
-		/*
-		 * There are errors which still need to be cleaned up by
-		 * hubiio_crb_error_handler
-		 */
-		mod_timer(recovery_timer, jiffies + (HZ * 5));
-		BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda,
-			    smp_processor_id()));
-		return 1;
-	}
-	if (icmr.ii_icmr_fld_s.i_crb_vld != 0) {
-
-		valid_crbs = icmr.ii_icmr_fld_s.i_crb_vld;
-
-		for (i = 0; i < IIO_NUM_CRBS; i++) {
-			if (!((1 << i) & valid_crbs)) {
-				/* This crb was not marked as valid, ignore */
-				continue;
-			}
-			icrbd.ii_icrb0_d_regval =
-			    REMOTE_HUB_L(nasid, IIO_ICRB_D(i));
-			if (icrbd.d_bteop) {
-				mod_timer(recovery_timer, jiffies + (HZ * 5));
-				BTE_PRINTK(("eh:%p:%d Valid %d, Giving up\n",
-					    err_nodepda, smp_processor_id(),
-					    i));
-				return 1;
-			}
-		}
-	}
-
-	BTE_PRINTK(("eh:%p:%d Cleaning up\n", err_nodepda, smp_processor_id()));
-	/* Re-enable both bte interfaces */
-	imem.ii_imem_regval = REMOTE_HUB_L(nasid, IIO_IMEM);
-	imem.ii_imem_fld_s.i_b0_esd = imem.ii_imem_fld_s.i_b1_esd = 1;
-	REMOTE_HUB_S(nasid, IIO_IMEM, imem.ii_imem_regval);
-
-	/* Clear BTE0/1 error bits */
-	ieclr.ii_ieclr_regval = 0;
-	if (err_nodepda->bte_if[0].bh_error != BTE_SUCCESS)
-		ieclr.ii_ieclr_fld_s.i_e_bte_0 = 1;
-	if (err_nodepda->bte_if[1].bh_error != BTE_SUCCESS)
-		ieclr.ii_ieclr_fld_s.i_e_bte_1 = 1;
-	REMOTE_HUB_S(nasid, IIO_IECLR, ieclr.ii_ieclr_regval);
-
-	/* Reinitialize both BTE state machines. */
-	ibcr.ii_ibcr_regval = REMOTE_HUB_L(nasid, IIO_IBCR);
-	ibcr.ii_ibcr_fld_s.i_soft_reset = 1;
-	REMOTE_HUB_S(nasid, IIO_IBCR, ibcr.ii_ibcr_regval);
-
-	del_timer(recovery_timer);
-	return 0;
-}
-
-/*
- * Wait until all BTE related CRBs are completed
- * and then reset the interfaces.
- */
-static int shub2_bte_error_handler(struct nodepda_s *err_nodepda)
-{
-	struct timer_list *recovery_timer = &err_nodepda->bte_recovery_timer;
-	struct bteinfo_s *bte;
-	nasid_t nasid;
-	u64 status;
-	int i;
-
-	nasid = cnodeid_to_nasid(err_nodepda->bte_if[0].bte_cnode);
-
-	/*
-	 * Verify that all the BTEs are complete
-	 */
-	for (i = 0; i < BTES_PER_NODE; i++) {
-		bte = &err_nodepda->bte_if[i];
-		status = BTE_LNSTAT_LOAD(bte);
-		if (status & IBLS_ERROR) {
-			bte->bh_error = BTE_SHUB2_ERROR(status);
-			continue;
-		}
-		if (!(status & IBLS_BUSY))
-			continue;
-		mod_timer(recovery_timer, jiffies + (HZ * 5));
-		BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda,
-			    smp_processor_id()));
-		return 1;
-	}
-	if (ia64_sn_bte_recovery(nasid))
-		panic("bte_error_handler(): Fatal BTE Error");
-
-	del_timer(recovery_timer);
-	return 0;
-}
-
-/*
- * Wait until all BTE related CRBs are completed
- * and then reset the interfaces.
- */
-void bte_error_handler(struct nodepda_s *err_nodepda)
-{
-	spinlock_t *recovery_lock = &err_nodepda->bte_recovery_lock;
-	int i;
-	unsigned long irq_flags;
-	volatile u64 *notify;
-	bte_result_t bh_error;
-
-	BTE_PRINTK(("bte_error_handler(%p) - %d\n", err_nodepda,
-		    smp_processor_id()));
-
-	spin_lock_irqsave(recovery_lock, irq_flags);
-
-	/*
-	 * Lock all interfaces on this node to prevent new transfers
-	 * from being queued.
-	 */
-	for (i = 0; i < BTES_PER_NODE; i++) {
-		if (err_nodepda->bte_if[i].cleanup_active) {
-			continue;
-		}
-		spin_lock(&err_nodepda->bte_if[i].spinlock);
-		BTE_PRINTK(("eh:%p:%d locked %d\n", err_nodepda,
-			    smp_processor_id(), i));
-		err_nodepda->bte_if[i].cleanup_active = 1;
-	}
-
-	if (is_shub1()) {
-		if (shub1_bte_error_handler(err_nodepda)) {
-			spin_unlock_irqrestore(recovery_lock, irq_flags);
-			return;
-		}
-	} else {
-		if (shub2_bte_error_handler(err_nodepda)) {
-			spin_unlock_irqrestore(recovery_lock, irq_flags);
-			return;
-		}
-	}
-
-	for (i = 0; i < BTES_PER_NODE; i++) {
-		bh_error = err_nodepda->bte_if[i].bh_error;
-		if (bh_error != BTE_SUCCESS) {
-			/* There is an error which needs to be notified */
-			notify = err_nodepda->bte_if[i].most_rcnt_na;
-			BTE_PRINTK(("cnode %d bte %d error=0x%lx\n",
-				    err_nodepda->bte_if[i].bte_cnode,
-				    err_nodepda->bte_if[i].bte_num,
-				    IBLS_ERROR | (u64) bh_error));
-			*notify = IBLS_ERROR | bh_error;
-			err_nodepda->bte_if[i].bh_error = BTE_SUCCESS;
-		}
-
-		err_nodepda->bte_if[i].cleanup_active = 0;
-		BTE_PRINTK(("eh:%p:%d Unlocked %d\n", err_nodepda,
-			    smp_processor_id(), i));
-		spin_unlock(&err_nodepda->bte_if[i].spinlock);
-	}
-
-	spin_unlock_irqrestore(recovery_lock, irq_flags);
-}
-
-/*
- * First part error handler.  This is called whenever any error CRB interrupt
- * is generated by the II.
- */
-void
-bte_crb_error_handler(cnodeid_t cnode, int btenum,
-                      int crbnum, ioerror_t * ioe, int bteop)
-{
-	struct bteinfo_s *bte;
-
-
-	bte = &(NODEPDA(cnode)->bte_if[btenum]);
-
-	/*
-	 * The caller has already figured out the error type, we save that
-	 * in the bte handle structure for the thread exercising the
-	 * interface to consume.
-	 */
-	bte->bh_error = ioe->ie_errortype + BTEFAIL_OFFSET;
-	bte->bte_error_count++;
-
-	BTE_PRINTK(("Got an error on cnode %d bte %d: HW error type 0x%x\n",
-		bte->bte_cnode, bte->bte_num, ioe->ie_errortype));
-	bte_error_handler(NODEPDA(cnode));
-}
-