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From: Thomas Huth <thuth@redhat.com>
To: qemu-devel@nongnu.org, Jared Rossi <jrossi@linux.ibm.com>,
	Zhuoying Cai <zycai@linux.ibm.com>
Cc: qemu-s390x@nongnu.org,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Eric Farman <farman@linux.ibm.com>,
	Halil Pasic <pasic@linux.ibm.com>,
	Matthew Rosato <mjrosato@linux.ibm.com>
Subject: [PATCH v2 2/5] pc-bios/s390-ccw: Allow up to 31 entries for pxelinux.cfg
Date: Wed,  9 Jul 2025 10:34:40 +0200	[thread overview]
Message-ID: <20250709083443.41574-3-thuth@redhat.com> (raw)
In-Reply-To: <20250709083443.41574-1-thuth@redhat.com>

From: Thomas Huth <thuth@redhat.com>

We're going to support a menu for the pxelinux.cfg code, and to be able
to reuse some functionality from menu.c, we should align the maximum
amount of possible entries with the MAX_BOOT_ENTRIES constant that is
used there. Thus replace MAX_PXELINUX_ENTRIES with MAX_BOOT_ENTRIES.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 pc-bios/s390-ccw/netmain.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/pc-bios/s390-ccw/netmain.c b/pc-bios/s390-ccw/netmain.c
index c0aafca22d2..6f64323cd84 100644
--- a/pc-bios/s390-ccw/netmain.c
+++ b/pc-bios/s390-ccw/netmain.c
@@ -353,17 +353,15 @@ static int net_select_and_load_kernel(filename_ip_t *fn_ip,
     return load_kernel_with_initrd(fn_ip, &entries[selected]);
 }
 
-#define MAX_PXELINUX_ENTRIES 16
-
 static int net_try_pxelinux_cfg(filename_ip_t *fn_ip)
 {
-    struct pl_cfg_entry entries[MAX_PXELINUX_ENTRIES];
+    struct pl_cfg_entry entries[MAX_BOOT_ENTRIES];
     int num_ent, def_ent = 0;
 
     num_ent = pxelinux_load_parse_cfg(fn_ip, mac, get_uuid(),
                                       DEFAULT_TFTP_RETRIES,
                                       cfgbuf, sizeof(cfgbuf),
-                                      entries, MAX_PXELINUX_ENTRIES, &def_ent);
+                                      entries, MAX_BOOT_ENTRIES, &def_ent);
 
     return net_select_and_load_kernel(fn_ip, num_ent, def_ent, entries);
 }
@@ -446,11 +444,11 @@ static int net_try_direct_tftp_load(filename_ip_t *fn_ip)
          * a magic comment string.
          */
         if (!strncasecmp("# pxelinux", cfgbuf, 10)) {
-            struct pl_cfg_entry entries[MAX_PXELINUX_ENTRIES];
+            struct pl_cfg_entry entries[MAX_BOOT_ENTRIES];
             int num_ent, def_ent = 0;
 
             num_ent = pxelinux_parse_cfg(cfgbuf, sizeof(cfgbuf), entries,
-                                         MAX_PXELINUX_ENTRIES, &def_ent);
+                                         MAX_BOOT_ENTRIES, &def_ent);
             return net_select_and_load_kernel(fn_ip, num_ent, def_ent,
                                               entries);
         }
-- 
2.50.0



  parent reply	other threads:[~2025-07-09  8:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-09  8:34 [PATCH v2 0/5] pc-bios/s390-ccw: Add "loadparm" and menu for pxelinux.cfg network booting Thomas Huth
2025-07-09  8:34 ` [PATCH v2 1/5] pc-bios/s390-ccw: Allow to select a different pxelinux.cfg entry via loadparm Thomas Huth
2025-07-09 18:46   ` Jared Rossi
2025-07-09  8:34 ` Thomas Huth [this message]
2025-07-09 18:47   ` [PATCH v2 2/5] pc-bios/s390-ccw: Allow up to 31 entries for pxelinux.cfg Jared Rossi
2025-07-09  8:34 ` [PATCH v2 3/5] pc-bios/s390-ccw: Make get_boot_index() from menu.c global Thomas Huth
2025-07-09 18:47   ` Jared Rossi
2025-07-09  8:34 ` [PATCH v2 4/5] pc-bios/s390-ccw: Add a boot menu for booting via pxelinux.cfg Thomas Huth
2025-07-09 18:48   ` Jared Rossi
2025-07-09  8:34 ` [PATCH v2 5/5] tests/functional: Add a test for s390x pxelinux.cfg network booting Thomas Huth
2025-07-09 18:48   ` Jared Rossi

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