nfp/nfpcore/nfp_mutex.c

16 	int target;
51 nfp_cpp_mutex_validate(u16 interface, int *target, unsigned long long address)
62 	if (*target != NFP_CPP_TARGET_MU)
71  * @target:	NFP CPP target ID (ie NFP_CPP_TARGET_CLS or NFP_CPP_TARGET_MU)
72  * @address:	Offset into the address space of the NFP CPP target ID
75  * The CPP target:address must point to a 64-bit aligned location, and
87 		       int target, unsigned long long address, u32 key)
89 	const u32 muw = NFP_CPP_ID(target, 4, 0);    /* atomic_write */
93 	err = nfp_cpp_mutex_validate(interface, &target, address);
111  * @target:	NFP CPP target ID (ie NFP_CPP_TARGET_CLS or NFP_CPP_TARGET_MU)
112  * @address:	Offset into the address space of the NFP CPP target ID
115  * The CPP target:address must point to a 64-bit aligned location, and
118  * Only target/address pairs that point to entities that support the
123 struct nfp_cpp_mutex *nfp_cpp_mutex_alloc(struct nfp_cpp *cpp, int target,
126 	const u32 mur = NFP_CPP_ID(target, 3, 0);    /* atomic_read */
132 	err = nfp_cpp_mutex_validate(interface, &target, address);
148 	mutex->target = target;
198 				 "Warning: waiting for NFP mutex [depth:%hd target:%d addr:%llx key:%08x]\n",
200 				 mutex->target, mutex->address, mutex->key);
219 	const u32 muw = NFP_CPP_ID(mutex->target, 4, 0);    /* atomic_write */
220 	const u32 mur = NFP_CPP_ID(mutex->target, 3, 0);    /* atomic_read */
264 	const u32 muw = NFP_CPP_ID(mutex->target, 4, 0);    /* atomic_write */
265 	const u32 mus = NFP_CPP_ID(mutex->target, 5, 3);    /* test_set_imm */
266 	const u32 mur = NFP_CPP_ID(mutex->target, 3, 0);    /* atomic_read */
333  * @target:	NFP CPP target ID (ie NFP_CPP_TARGET_CLS or NFP_CPP_TARGET_MU)
334  * @address:	Offset into the address space of the NFP CPP target ID
341 int nfp_cpp_mutex_reclaim(struct nfp_cpp *cpp, int target,
344 	const u32 mur = NFP_CPP_ID(target, 3, 0);	/* atomic_read */
345 	const u32 muw = NFP_CPP_ID(target, 4, 0);	/* atomic_write */
350 	err = nfp_cpp_mutex_validate(interface, &target, address);