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powerpc/ps3: Add PS3 repository write support

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Add a new config option CONFIG_PS3_REPOSITORY_WRITE that
conditionally builds in support to create, write and delete
nodes in the PS3 system repository.

This support will allow Linux based bootloaders to manage data
in the system repository for use by later boot stages,

Signed-off-by: Geoff Levand <geoff@infradead.org>
This commit is contained in:
Geoff Levand 2012-03-31 18:03:30 -07:00
parent 08a6b25631
commit 07c044c86e
2 changed files with 71 additions and 0 deletions
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13
arch/powerpc/platforms/ps3/Kconfig
View File

@ -88,6 +88,19 @@ config PS3_SYS_MANAGER
This support is required for system control. In
general, all users will say Y or M.
config PS3_REPOSITORY_WRITE
bool "PS3 Repository write support" if PS3_ADVANCED
depends on PPC_PS3
default n
help
Enables support for writing to the PS3 System Repository.
This support is intended for bootloaders that need to store data
in the repository for later boot stages.
If in doubt, say N here and reduce the size of the kernel by a
small amount.
config PS3_STORAGE
depends on PPC_PS3
tristate

58
arch/powerpc/platforms/ps3/repository.c
View File

@ -1002,6 +1002,64 @@ int ps3_repository_read_lpm_privileges(unsigned int be_index, u64 *lpar,
lpar, rights);
}
#if defined(CONFIG_PS3_REPOSITORY_WRITE)
static int create_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
{
int result;
dump_node(0, n1, n2, n3, n4, v1, v2);
result = lv1_create_repository_node(n1, n2, n3, n4, v1, v2);
if (result) {
pr_devel("%s:%d: lv1_create_repository_node failed: %s\n",
__func__, __LINE__, ps3_result(result));
return -ENOENT;
}
return 0;
}
static int delete_node(u64 n1, u64 n2, u64 n3, u64 n4)
{
int result;
dump_node(0, n1, n2, n3, n4, 0, 0);
result = lv1_delete_repository_node(n1, n2, n3, n4);
if (result) {
pr_devel("%s:%d: lv1_delete_repository_node failed: %s\n",
__func__, __LINE__, ps3_result(result));
return -ENOENT;
}
return 0;
}
static int write_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
{
int result;
result = create_node(n1, n2, n3, n4, v1, v2);
if (!result)
return 0;
result = lv1_write_repository_node(n1, n2, n3, n4, v1, v2);
if (result) {
pr_devel("%s:%d: lv1_write_repository_node failed: %s\n",
__func__, __LINE__, ps3_result(result));
return -ENOENT;
}
return 0;
}
#endif /* defined(CONFIG_PS3_WRITE_REPOSITORY) */
#if defined(DEBUG)
int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)