aboutsummaryrefslogtreecommitdiff
path: root/pc-bios
diff options
context:
space:
mode:
authorCollin L. Walling <walling@linux.vnet.ibm.com>2018-02-23 10:43:19 -0500
committerThomas Huth <thuth@redhat.com>2018-02-26 07:56:55 +0100
commitffb4a1c80792aa71da900dbb495b21fbc0130073 (patch)
tree471d8145894fc2b158900b40e440050664014e3a /pc-bios
parent53b310ce539cfadf1f2fad5927a9e8f88ec9db13 (diff)
s390-ccw: interactive boot menu for scsi
Interactive boot menu for scsi. This follows a similar procedure as the interactive menu for eckd dasd. An example follows: s390x Enumerated Boot Menu. 3 entries detected. Select from index 0 to 2. Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> [thuth: Added additional "break;" statement to avoid analyzer warnings] Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'pc-bios')
-rw-r--r--pc-bios/s390-ccw/bootmap.c4
-rw-r--r--pc-bios/s390-ccw/main.c1
-rw-r--r--pc-bios/s390-ccw/menu.c20
-rw-r--r--pc-bios/s390-ccw/s390-ccw.h2
4 files changed, 27 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index ae93b552c9..29bfd8c875 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -568,6 +568,10 @@ static void ipl_scsi(void)
debug_print_int("program table entries", program_table_entries);
IPL_assert(program_table_entries != 0, "Empty Program Table");
+ if (menu_is_enabled_enum()) {
+ loadparm = menu_get_enum_boot_index(program_table_entries);
+ }
+
debug_print_int("loadparm", loadparm);
IPL_assert(loadparm <= MAX_TABLE_ENTRIES, "loadparm value greater than"
" maximum number of boot entries allowed");
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index a7473b0397..9d9f8cf4d3 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -92,6 +92,7 @@ static void menu_setup(void)
switch (iplb.pbt) {
case S390_IPL_TYPE_CCW:
+ case S390_IPL_TYPE_QEMU_SCSI:
menu_set_parms(qipl.qipl_flags & BOOT_MENU_FLAG_MASK,
qipl.boot_menu_timeout);
return;
diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
index ee56939c21..96eec81e84 100644
--- a/pc-bios/s390-ccw/menu.c
+++ b/pc-bios/s390-ccw/menu.c
@@ -217,6 +217,21 @@ int menu_get_zipl_boot_index(const char *menu_data)
return get_boot_index(entries - 1); /* subtract 1 to exclude banner */
}
+
+int menu_get_enum_boot_index(int entries)
+{
+ char tmp[4];
+
+ sclp_print("s390x Enumerated Boot Menu.\n\n");
+
+ sclp_print(uitoa(entries, tmp, sizeof(tmp)));
+ sclp_print(" entries detected. Select from boot index 0 to ");
+ sclp_print(uitoa(entries - 1, tmp, sizeof(tmp)));
+ sclp_print(".\n\n");
+
+ return get_boot_index(entries);
+}
+
void menu_set_parms(uint8_t boot_menu_flag, uint32_t boot_menu_timeout)
{
flag = boot_menu_flag;
@@ -227,3 +242,8 @@ bool menu_is_enabled_zipl(void)
{
return flag & (QIPL_FLAG_BM_OPTS_CMD | QIPL_FLAG_BM_OPTS_ZIPL);
}
+
+bool menu_is_enabled_enum(void)
+{
+ return flag & QIPL_FLAG_BM_OPTS_CMD;
+}
diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h
index c4ddf9f228..fd18da22c6 100644
--- a/pc-bios/s390-ccw/s390-ccw.h
+++ b/pc-bios/s390-ccw/s390-ccw.h
@@ -91,6 +91,8 @@ void zipl_load(void);
void menu_set_parms(uint8_t boot_menu_flag, uint32_t boot_menu_timeout);
int menu_get_zipl_boot_index(const char *menu_data);
bool menu_is_enabled_zipl(void);
+int menu_get_enum_boot_index(int entries);
+bool menu_is_enabled_enum(void);
static inline void fill_hex(char *out, unsigned char val)
{