From 1ca4d09ae0bcc2fdd6aeef0fdc11f82394f7e757 Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Wed, 8 Dec 2010 13:35:05 +0200 Subject: Add bootindex parameter to net/block/fd device If bootindex is specified on command line a string that describes device in firmware readable way is added into sorted list. Later this list will be passed into firmware to control boot order. Signed-off-by: Gleb Natapov Signed-off-by: Blue Swirl --- vl.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'vl.c') diff --git a/vl.c b/vl.c index 2cd263eda4..dadc161fdf 100644 --- a/vl.c +++ b/vl.c @@ -229,6 +229,17 @@ unsigned int nb_prom_envs = 0; const char *prom_envs[MAX_PROM_ENVS]; int boot_menu; +typedef struct FWBootEntry FWBootEntry; + +struct FWBootEntry { + QTAILQ_ENTRY(FWBootEntry) link; + int32_t bootindex; + DeviceState *dev; + char *suffix; +}; + +QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order); + int nb_numa_nodes; uint64_t node_mem[MAX_NODES]; uint64_t node_cpumask[MAX_NODES]; @@ -693,6 +704,35 @@ static void restore_boot_devices(void *opaque) qemu_free(standard_boot_devices); } +void add_boot_device_path(int32_t bootindex, DeviceState *dev, + const char *suffix) +{ + FWBootEntry *node, *i; + + if (bootindex < 0) { + return; + } + + assert(dev != NULL || suffix != NULL); + + node = qemu_mallocz(sizeof(FWBootEntry)); + node->bootindex = bootindex; + node->suffix = strdup(suffix); + node->dev = dev; + + QTAILQ_FOREACH(i, &fw_boot_order, link) { + if (i->bootindex == bootindex) { + fprintf(stderr, "Two devices with same boot index %d\n", bootindex); + exit(1); + } else if (i->bootindex < bootindex) { + continue; + } + QTAILQ_INSERT_BEFORE(i, node, link); + return; + } + QTAILQ_INSERT_TAIL(&fw_boot_order, node, link); +} + static void numa_add(const char *optarg) { char option[128]; -- cgit v1.2.3