powerpc/prom: Define structs for client architecture vectors
authorMichael Ellerman <mpe@ellerman.id.au>
Fri, 18 Nov 2016 12:15:41 +0000 (23:15 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 30 Nov 2016 12:19:59 +0000 (23:19 +1100)
The "client architecture vectors" are a series of structures we pass to
firmware to define various things, such as what processors we support
and many other options.

Each structure is entirely different so we have to define a different
struct for each one, but that's OK.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kernel/prom_init.c

index 05d2556ebb9f6f721d0b5925ee81dc5819e0e536..e41c0b6637ab27376d50916314e11e88f185eb4f 100644 (file)
@@ -740,6 +740,59 @@ unsigned char ibm_architecture_vec[] = {
        OV6_LINUX,
 };
 
+struct option_vector1 {
+       u8 byte1;
+       u8 arch_versions;
+} __packed;
+
+struct option_vector2 {
+       u8 byte1;
+       __be16 reserved;
+       __be32 real_base;
+       __be32 real_size;
+       __be32 virt_base;
+       __be32 virt_size;
+       __be32 load_base;
+       __be32 min_rma;
+       __be32 min_load;
+       u8 min_rma_percent;
+       u8 max_pft_size;
+} __packed;
+
+struct option_vector3 {
+       u8 byte1;
+       u8 byte2;
+} __packed;
+
+struct option_vector4 {
+       u8 byte1;
+       u8 min_vp_cap;
+} __packed;
+
+struct option_vector5 {
+       u8 byte1;
+       u8 byte2;
+       u8 byte3;
+       u8 cmo;
+       u8 associativity;
+       u8 bin_opts;
+       u8 micro_checkpoint;
+       u8 reserved0;
+       __be32 max_cpus;
+       __be16 papr_level;
+       __be16 reserved1;
+       u8 platform_facilities;
+       u8 reserved2;
+       __be16 reserved3;
+       u8 subprocessors;
+} __packed;
+
+struct option_vector6 {
+       u8 reserved;
+       u8 secondary_pteg;
+       u8 os_name;
+} __packed;
+
 /* Old method - ELF header with PT_NOTE sections only works on BE */
 #ifdef __BIG_ENDIAN__
 static struct fake_elf {