All the mail mirrored from lore.kernel.org
 help / color / mirror / Atom feed
From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xen.org>
Cc: Wei Liu <wei.liu2@citrix.com>,
	Yang Hongyang <yanghy@cn.fujitsu.com>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Ian Campbell <Ian.Campbell@citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>
Subject: [PATCH 26/27] tools/libxc: Drop all XG_LIBXL_HVM_COMPAT code from libxc
Date: Mon, 15 Jun 2015 14:44:39 +0100	[thread overview]
Message-ID: <1434375880-30914-27-git-send-email-andrew.cooper3@citrix.com> (raw)
In-Reply-To: <1434375880-30914-1-git-send-email-andrew.cooper3@citrix.com>

Libxl has now been fully adjusted not to need it.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
CC: Ian Campbell <Ian.Campbell@citrix.com>
CC: Ian Jackson <Ian.Jackson@eu.citrix.com>
CC: Wei Liu <wei.liu2@citrix.com>
---
 tools/libxc/xc_sr_common.h          |    5 --
 tools/libxc/xc_sr_restore.c         |   18 -----
 tools/libxc/xc_sr_restore_x86_hvm.c |  124 -----------------------------------
 tools/libxc/xc_sr_save_x86_hvm.c    |   36 ----------
 4 files changed, 183 deletions(-)

diff --git a/tools/libxc/xc_sr_common.h b/tools/libxc/xc_sr_common.h
index 08c66db..42af55b 100644
--- a/tools/libxc/xc_sr_common.h
+++ b/tools/libxc/xc_sr_common.h
@@ -306,11 +306,6 @@ struct xc_sr_context
                     /* HVM context blob. */
                     void *context;
                     size_t contextsz;
-
-/* #ifdef XG_LIBXL_HVM_COMPAT */
-                    uint32_t qlen;
-                    void *qbuf;
-/* #endif */
                 } restore;
             };
         } x86_hvm;
diff --git a/tools/libxc/xc_sr_restore.c b/tools/libxc/xc_sr_restore.c
index 5e0f817..fd45775 100644
--- a/tools/libxc/xc_sr_restore.c
+++ b/tools/libxc/xc_sr_restore.c
@@ -632,9 +632,6 @@ static void cleanup(struct xc_sr_context *ctx)
         PERROR("Failed to clean up");
 }
 
-#ifdef XG_LIBXL_HVM_COMPAT
-extern int read_qemu(struct xc_sr_context *ctx);
-#endif
 /*
  * Restore a domain.
  */
@@ -661,21 +658,6 @@ static int restore(struct xc_sr_context *ctx)
                 goto err;
         }
 
-#ifdef XG_LIBXL_HVM_COMPAT
-        if ( ctx->dominfo.hvm &&
-             (rec.type == REC_TYPE_END || rec.type == REC_TYPE_CHECKPOINT) )
-        {
-            rc = read_qemu(ctx);
-            if ( rc )
-            {
-                if ( ctx->restore.buffer_all_records )
-                    goto remus_failover;
-                else
-                    goto err;
-            }
-        }
-#endif
-
         if ( ctx->restore.buffer_all_records &&
              rec.type != REC_TYPE_END &&
              rec.type != REC_TYPE_CHECKPOINT )
diff --git a/tools/libxc/xc_sr_restore_x86_hvm.c b/tools/libxc/xc_sr_restore_x86_hvm.c
index 6f5af0e..49d22c7 100644
--- a/tools/libxc/xc_sr_restore_x86_hvm.c
+++ b/tools/libxc/xc_sr_restore_x86_hvm.c
@@ -3,24 +3,6 @@
 
 #include "xc_sr_common_x86.h"
 
-#ifdef XG_LIBXL_HVM_COMPAT
-static int handle_toolstack(struct xc_sr_context *ctx, struct xc_sr_record *rec)
-{
-    xc_interface *xch = ctx->xch;
-    int rc;
-
-    if ( !ctx->restore.callbacks || !ctx->restore.callbacks->toolstack_restore )
-        return 0;
-
-    rc = ctx->restore.callbacks->toolstack_restore(
-        ctx->domid, rec->data, rec->length, ctx->restore.callbacks->data);
-
-    if ( rc < 0 )
-        PERROR("restoring toolstack");
-    return rc;
-}
-#endif
-
 /*
  * Process an HVM_CONTEXT record from the stream.
  */
@@ -93,98 +75,6 @@ static int handle_hvm_params(struct xc_sr_context *ctx,
     return 0;
 }
 
-#ifdef XG_LIBXL_HVM_COMPAT
-int read_qemu(struct xc_sr_context *ctx);
-int read_qemu(struct xc_sr_context *ctx)
-{
-    xc_interface *xch = ctx->xch;
-    char qemusig[21];
-    uint32_t qlen;
-    void *qbuf = NULL;
-    int rc = -1;
-
-    if ( read_exact(ctx->fd, qemusig, sizeof(qemusig)) )
-    {
-        PERROR("Error reading QEMU signature");
-        goto out;
-    }
-
-    if ( !memcmp(qemusig, "DeviceModelRecord0002", sizeof(qemusig)) )
-    {
-        if ( read_exact(ctx->fd, &qlen, sizeof(qlen)) )
-        {
-            PERROR("Error reading QEMU record length");
-            goto out;
-        }
-
-        qbuf = malloc(qlen);
-        if ( !qbuf )
-        {
-            PERROR("no memory for device model state");
-            goto out;
-        }
-
-        if ( read_exact(ctx->fd, qbuf, qlen) )
-        {
-            PERROR("Error reading device model state");
-            goto out;
-        }
-    }
-    else
-    {
-        ERROR("Invalid device model state signature '%*.*s'",
-              (int)sizeof(qemusig), (int)sizeof(qemusig), qemusig);
-        goto out;
-    }
-
-    /* With Remus, this could be read many times */
-    if ( ctx->x86_hvm.restore.qbuf )
-        free(ctx->x86_hvm.restore.qbuf);
-    ctx->x86_hvm.restore.qbuf = qbuf;
-    ctx->x86_hvm.restore.qlen = qlen;
-    rc = 0;
-
-out:
-    if (rc)
-        free(qbuf);
-    return rc;
-}
-
-static int handle_qemu(struct xc_sr_context *ctx)
-{
-    xc_interface *xch = ctx->xch;
-    char path[256];
-    uint32_t qlen = ctx->x86_hvm.restore.qlen;
-    void *qbuf = ctx->x86_hvm.restore.qbuf;
-    int rc = -1;
-    FILE *fp = NULL;
-
-    sprintf(path, XC_DEVICE_MODEL_RESTORE_FILE".%u", ctx->domid);
-    fp = fopen(path, "wb");
-    if ( !fp )
-    {
-        PERROR("Failed to open '%s' for writing", path);
-        goto out;
-    }
-
-    DPRINTF("Writing %u bytes of QEMU data", qlen);
-    if ( fwrite(qbuf, 1, qlen, fp) != qlen )
-    {
-        PERROR("Failed to write %u bytes of QEMU data", qlen);
-        goto out;
-    }
-
-    rc = 0;
-
- out:
-    if ( fp )
-        fclose(fp);
-    free(qbuf);
-
-    return rc;
-}
-#endif
-
 /* restore_ops function. */
 static bool x86_hvm_pfn_is_valid(const struct xc_sr_context *ctx, xen_pfn_t pfn)
 {
@@ -260,11 +150,6 @@ static int x86_hvm_process_record(struct xc_sr_context *ctx,
     case REC_TYPE_HVM_PARAMS:
         return handle_hvm_params(ctx, rec);
 
-#ifdef XG_LIBXL_HVM_COMPAT
-    case REC_TYPE_TOOLSTACK:
-        return handle_toolstack(ctx, rec);
-#endif
-
     default:
         return RECORD_NOT_PROCESSED;
     }
@@ -314,15 +199,6 @@ static int x86_hvm_stream_complete(struct xc_sr_context *ctx)
         return rc;
     }
 
-#ifdef XG_LIBXL_HVM_COMPAT
-    rc = handle_qemu(ctx);
-    if ( rc )
-    {
-        ERROR("Failed to dump qemu");
-        return rc;
-    }
-#endif
-
     return rc;
 }
 
diff --git a/tools/libxc/xc_sr_save_x86_hvm.c b/tools/libxc/xc_sr_save_x86_hvm.c
index f4604db..cdee774 100644
--- a/tools/libxc/xc_sr_save_x86_hvm.c
+++ b/tools/libxc/xc_sr_save_x86_hvm.c
@@ -118,36 +118,6 @@ static int write_hvm_params(struct xc_sr_context *ctx)
     return rc;
 }
 
-#ifdef XG_LIBXL_HVM_COMPAT
-static int write_toolstack(struct xc_sr_context *ctx)
-{
-    xc_interface *xch = ctx->xch;
-    struct xc_sr_record rec = {
-        .type = REC_TYPE_TOOLSTACK,
-        .length = 0,
-    };
-    uint8_t *buf;
-    uint32_t len;
-    int rc;
-
-    if ( !ctx->save.callbacks || !ctx->save.callbacks->toolstack_save )
-        return 0;
-
-    if ( ctx->save.callbacks->toolstack_save(
-             ctx->domid, &buf, &len, ctx->save.callbacks->data) < 0 )
-    {
-        PERROR("Error calling toolstack_save");
-        return -1;
-    }
-
-    rc = write_split_record(ctx, &rec, buf, len);
-    if ( rc < 0 )
-        PERROR("Error writing TOOLSTACK record");
-    free(buf);
-    return rc;
-}
-#endif
-
 static xen_pfn_t x86_hvm_pfn_to_gfn(const struct xc_sr_context *ctx,
                                     xen_pfn_t pfn)
 {
@@ -199,12 +169,6 @@ static int x86_hvm_end_of_checkpoint(struct xc_sr_context *ctx)
     if ( rc )
         return rc;
 
-#ifdef XG_LIBXL_HVM_COMPAT
-    rc = write_toolstack(ctx);
-    if ( rc )
-        return rc;
-#endif
-
     /* Write the HVM_CONTEXT record. */
     rc = write_hvm_context(ctx);
     if ( rc )
-- 
1.7.10.4

  parent reply	other threads:[~2015-06-15 13:44 UTC|newest]

Thread overview: 107+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-15 13:44 [PATCH 00/27] Libxl migration v2 Andrew Cooper
2015-06-15 13:44 ` [PATCH 01/27] tools/libxl: Fix libxl__ev_child_inuse() check for not-yet-initialised children Andrew Cooper
2015-06-16 13:21   ` Ian Campbell
2015-06-16 13:36     ` Andrew Cooper
2015-06-16 13:47       ` Ian Jackson
2015-06-16 14:05         ` Andrew Cooper
2015-06-16 15:26           ` Ian Campbell
2015-06-16 15:24       ` Ian Campbell
2015-06-16 13:39     ` Ian Jackson
2015-06-15 13:44 ` [PATCH 02/27] tools/libxc: Always compile the compat qemu variables into xc_sr_context Andrew Cooper
2015-06-16 13:22   ` Ian Campbell
2015-06-15 13:44 ` [PATCH 03/27] tools/libxl: Stash all restore parameters in domain_create_state Andrew Cooper
2015-06-16 13:37   ` Ian Campbell
2015-06-16 14:09     ` Andrew Cooper
2015-06-18  2:32   ` Yang Hongyang
2015-06-15 13:44 ` [PATCH 04/27] tools/xl: Mandatory flag indicating the format of the migration stream Andrew Cooper
2015-06-16 13:39   ` Ian Campbell
2015-06-16 14:10     ` Andrew Cooper
2015-06-15 13:44 ` [PATCH 05/27] tools/libxl: Introduce ROUNDUP() Andrew Cooper
2015-06-16 13:39   ` Ian Campbell
2015-06-15 13:44 ` [PATCH 06/27] libxl: cancellation: Preparations for save/restore cancellation Andrew Cooper
2015-06-15 13:44 ` [PATCH 07/27] libxl: cancellation: Handle SIGTERM in save/restore helper Andrew Cooper
2015-06-15 13:44 ` [PATCH 08/27] tools/libxl: Extra APIs for the save helper Andrew Cooper
2015-06-16 13:50   ` Ian Campbell
2015-06-16 15:03     ` Andrew Cooper
2015-06-15 13:44 ` [PATCH 09/27] tools/libxl: Pass restore_fd as a parameter to libxl__xc_domain_restore() Andrew Cooper
2015-06-16 13:53   ` Ian Campbell
2015-06-15 13:44 ` [PATCH 10/27] docs: Libxl migration v2 stream specification Andrew Cooper
2015-06-16 13:58   ` Ian Campbell
2015-07-08 13:49     ` Andrew Cooper
2015-07-08 13:58       ` Ian Campbell
2015-06-15 13:44 ` [PATCH 11/27] tools/python: Libxc migration v2 infrastructure Andrew Cooper
2015-06-16 14:01   ` Ian Campbell
2015-06-15 13:44 ` [PATCH 12/27] tools/python: Libxl " Andrew Cooper
2015-06-15 13:44 ` [PATCH 13/27] tools/python: Verification utility for v2 stream spec compliance Andrew Cooper
2015-06-15 13:44 ` [PATCH 14/27] tools/python: Conversion utility for legacy migration streams Andrew Cooper
2015-06-16 14:01   ` Ian Campbell
2015-06-15 13:44 ` [PATCH 15/27] tools/libxl: Migration v2 stream format Andrew Cooper
2015-06-16 14:04   ` Ian Campbell
2015-06-15 13:44 ` [PATCH 16/27] tools/libxl: Infrastructure for reading a libxl migration v2 stream Andrew Cooper
2015-06-16 14:31   ` Ian Campbell
2015-06-16 15:01     ` Andrew Cooper
2015-06-16 15:35       ` Ian Campbell
2015-06-16 15:46         ` Andrew Cooper
2015-06-17  3:09   ` Wen Congyang
2015-06-17 10:15     ` Ian Campbell
2015-06-17 10:49       ` Wen Congyang
2015-06-17 10:55         ` Ian Campbell
2015-06-17  6:03   ` Wen Congyang
2015-06-17  9:47     ` Andrew Cooper
2015-06-17  7:57   ` Wen Congyang
2015-06-17  9:50     ` Andrew Cooper
2015-06-17 10:01       ` Wen Congyang
2015-06-17 10:48         ` Andrew Cooper
2015-06-15 13:44 ` [PATCH 17/27] tools/libxl: Support converting a legacy stream to a " Andrew Cooper
2015-06-16 14:38   ` Ian Campbell
2015-06-16 15:13     ` Andrew Cooper
2015-06-16 15:38       ` Ian Campbell
2015-06-15 13:44 ` [PATCH 18/27] tools/libxl: Convert a legacy stream if needed Andrew Cooper
2015-06-15 13:44 ` [PATCH 19/27] tools/libxc+libxl+xl: Restore v2 streams Andrew Cooper
2015-06-16 14:53   ` Ian Campbell
2015-06-16 15:23     ` Andrew Cooper
2015-06-16 15:39       ` Ian Campbell
2015-06-15 13:44 ` [PATCH 20/27] tools/libxl: Infrastructure for writing a v2 stream Andrew Cooper
2015-06-16 14:57   ` Ian Campbell
2015-06-16 15:28     ` Andrew Cooper
2015-06-17  1:31   ` Yang Hongyang
2015-06-17  9:51     ` Andrew Cooper
2015-06-17  1:39   ` Wen Congyang
2015-06-17  2:24   ` Wen Congyang
2015-06-17  7:38   ` Yang Hongyang
2015-06-17 10:14   ` Wen Congyang
2015-07-10 10:55   ` Ian Campbell
2015-07-10 11:03     ` Andrew Cooper
2015-07-10 11:05       ` Ian Campbell
2015-06-15 13:44 ` [PATCH 21/27] tools/libxc+libxl+xl: Save v2 streams Andrew Cooper
2015-06-16 14:59   ` Ian Campbell
2015-06-15 13:44 ` [PATCH 22/27] docs/libxl: [RFC] Introduce CHECKPOINT_END to support migration v2 remus streams Andrew Cooper
2015-06-16 15:00   ` Ian Campbell
2015-06-16 15:30     ` Andrew Cooper
2015-06-17  3:30   ` Wen Congyang
2015-06-15 13:44 ` [PATCH 23/27] tools/libxl: [RFC] Write checkpoint records into the stream Andrew Cooper
2015-06-16 15:03   ` Ian Campbell
2015-06-16 15:53     ` Andrew Cooper
2015-06-17  7:30       ` Ian Campbell
2015-06-17  9:55         ` Andrew Cooper
2015-06-18  3:13   ` Wen Congyang
2015-06-18  9:44     ` Andrew Cooper
2015-06-15 13:44 ` [PATCH 24/27] tools/libx{c, l}: [RFC] Introduce restore_callbacks.checkpoint() Andrew Cooper
2015-06-16  2:23   ` Yang Hongyang
2015-06-17  8:20   ` Yang Hongyang
2015-06-15 13:44 ` [PATCH 25/27] tools/libxl: [RFC] Handle checkpoint records in a libxl migration v2 stream Andrew Cooper
2015-06-17  7:28   ` Wen Congyang
2015-06-15 13:44 ` Andrew Cooper [this message]
2015-06-16 15:03   ` [PATCH 26/27] tools/libxc: Drop all XG_LIBXL_HVM_COMPAT code from libxc Ian Campbell
2015-06-15 13:44 ` [PATCH 27/27] tools/libxl: Drop all knowledge of toolstack callbacks Andrew Cooper
2015-06-16 15:04   ` Ian Campbell
2015-06-16 15:06     ` Andrew Cooper
2015-06-17 10:14       ` Ian Campbell
2015-06-17 10:43         ` Andrew Cooper
2015-06-17 10:53           ` Ian Campbell
2015-06-16  2:21 ` [PATCH 00/27] Libxl migration v2 Yang Hongyang
2015-06-17  1:55 ` Wen Congyang
2015-06-17  9:45   ` Andrew Cooper
2015-07-02  7:33 ` Yang Hongyang
2015-07-02  9:26   ` Andrew Cooper
2015-07-02  9:33     ` Yang Hongyang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1434375880-30914-27-git-send-email-andrew.cooper3@citrix.com \
    --to=andrew.cooper3@citrix.com \
    --cc=Ian.Campbell@citrix.com \
    --cc=Ian.Jackson@eu.citrix.com \
    --cc=wei.liu2@citrix.com \
    --cc=xen-devel@lists.xen.org \
    --cc=yanghy@cn.fujitsu.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.