1 files changed, 0 insertions, 138 deletions
diff --git a/cachepc/uspt.c b/cachepc/uspt.c
deleted file mode 100644
index 49c316d..0000000
--- a/cachepc/uspt.c
+++ /dev/null
@@ -1,138 +0,0 @@
-#include "uspt.h"
-#include "sevstep.h"
-#include "cachepc.h"
-#include "uapi.h"
-
-#include <linux/kvm.h>
-#include <linux/timekeeping.h>
-#include <linux/uaccess.h>
-#include <linux/types.h>
-#include <linux/vmalloc.h>
-#include <linux/printk.h>
-#include <linux/ratelimit.h>
-
-#define ARRLEN(x) (sizeof(x)/sizeof((x)[0]))
-
-void
-sevstep_uspt_clear(void)
-{
-	write_lock(&event_lock);
-	uspt_init = true;
-	last_sent_eventid = 1;
-	last_acked_eventid = 1;
-	have_event = false;
-	write_unlock(&event_lock);
-}
-
-bool
-sevstep_uspt_is_initialized()
-{
-	return uspt_init;
-}
-
-int
-sevstep_uspt_send_and_block(uint64_t inst_fault_gfn, uint32_t inst_fault_err,
-	uint64_t data_fault_gfn, uint32_t data_fault_err)
-{
-	struct cpc_track_event event;
-	ktime_t deadline;
-
-	read_lock(&event_lock);
-	if (!sevstep_uspt_is_initialized()) {
-		pr_warn("Sevstep: ctx not initialized!\n");
-		read_unlock(&event_lock);
-		return 1;
-	}
-	read_unlock(&event_lock);
-
-	write_lock(&event_lock);
-	 if (last_sent_eventid != last_acked_eventid) {
-		pr_warn("Sevstep: event id_s out of sync, aborting\n");
-		write_unlock(&event_lock);
-		return 1;
-	} else {
-		last_sent_eventid++;
-	}
-	event.id = last_sent_eventid;
-	event.inst_fault_gfn = inst_fault_gfn;
-	event.inst_fault_err = inst_fault_err;
-	event.data_fault_avail = (data_fault_err != 0);
-	event.data_fault_gfn = data_fault_gfn;
-	event.data_fault_err = data_fault_err;
-	event.timestamp_ns = ktime_get_real_ns();
-	event.retinst = cachepc_retinst;
-
-	have_event = true;
-	sent_event = event;
-	write_unlock(&event_lock);
-
-	/* wait for ack with timeout */
-	// pr_warn("Sevstep: uspt_send_and_block: Begin wait for event ack");
-	deadline = ktime_get_ns() + 2000000000ULL; /* 1s in ns */
-	while (!sevstep_uspt_is_event_done(sent_event.id)) {
-		if (ktime_get_ns() > deadline) {
-			pr_warn("Sevstep: Timeout waiting for ack of event %llu ",
-				sent_event.id);
-			return 3;
-		}
-	}
-
-	return 0;
-}
-
-int
-sevstep_uspt_is_event_done(uint64_t id)
-{
-	bool done;
-
-	read_lock(&event_lock);
-	done = last_acked_eventid >= id;
-	read_unlock(&event_lock);
-
-	return done;
-}
-
-int
-sevstep_uspt_handle_poll_event(struct cpc_track_event __user *event)
-{
-	int err;
-
-	read_lock(&event_lock);
-	if (!have_event) {
-		read_unlock(&event_lock);
-		return -EAGAIN;
-	}
-	read_unlock(&event_lock);
-
-	write_lock(&event_lock);
-	if (have_event) {
-		err = copy_to_user(event, &sent_event,
-			sizeof(struct cpc_track_event));
-		have_event = false;
-	} else {
-		err = -EAGAIN;
-	}
-	write_unlock(&event_lock);
-
-	return err;
-}
-
-int
-sevstep_uspt_handle_ack_event_ioctl(uint64_t eventid)
-{
-	int err;
-
-	write_lock(&event_lock);
-	if (eventid == last_sent_eventid) {
-		err = 0;
-		last_acked_eventid = last_sent_eventid;
-	} else {
-		err = 1;
-		pr_warn("Sevstep: Ackd event does not match sent: %llu %llu\n",
-			last_sent_eventid, eventid);
-	}
-	write_unlock(&event_lock);
-
-	return err;
-}
-