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machine: add default_ram_size to machine class

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Machines types can have different requirement for default ram
size. Introduce a member in the machine class and set the current
default_ram_size to 128MB.

For QEMUMachine types override the value during the registration of
the machine and for MachineClass introduce the generic class init
setting the default_ram_size.

Add helpers [K,M,G,T,P,E]_BYTE for better readability and easy usage

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Nikunj A Dadhania 2015-05-07 15:33:57 +10:00 • committed by Alexander Graf
parent c5bc152bc3
commit 076b35b5a5
4 changed files with 32 additions and 14 deletions
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6
include/qemu-common.h
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@ -186,6 +186,12 @@ int64_t strtosz(const char *nptr, char **end);
int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
int64_t strtosz_suffix_unit(const char *nptr, char **end,
const char default_suffix, int64_t unit);
#define K_BYTE (1ULL << 10)
#define M_BYTE (1ULL << 20)
#define G_BYTE (1ULL << 30)
#define T_BYTE (1ULL << 40)
#define P_BYTE (1ULL << 50)
#define E_BYTE (1ULL << 60)
/* used to print char* safely */
#define STR_OR_NULL(str) ((str) ? (str) : "null")