From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavan Nikhilesh Subject: [PATCH v3 2/2] mempool/octeontx: fix memory area registration Date: Sun, 24 Dec 2017 18:17:56 +0530 Message-ID: <20171224124756.12160-2-pbhagavatula@caviumnetworks.com> References: <20171215160031.11354-1-pbhagavatula@caviumnetworks.com> <20171224124756.12160-1-pbhagavatula@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: dev@dpdk.org, Pavan Nikhilesh , stable@dpdk.org To: santosh.shukla@caviumnetworks.com, olivier.matz@6wind.com Return-path: In-Reply-To: <20171224124756.12160-1-pbhagavatula@caviumnetworks.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Clean up the dependency between alloc and memory area registration, this removes the need for SLIST data structure and octeontx_pool_list. Fixes: 2baa3f0b7de5 ("mempool/octeontx: support memory area ops") Cc: stable@dpdk.org Signed-off-by: Pavan Nikhilesh Acked-by: Santosh Shukla --- drivers/mempool/octeontx/octeontx_fpavf.c | 23 ++------ drivers/mempool/octeontx/octeontx_fpavf.h | 6 ++- drivers/mempool/octeontx/rte_mempool_octeontx.c | 72 ++----------------------- 3 files changed, 12 insertions(+), 89 deletions(-) diff --git a/drivers/mempool/octeontx/octeontx_fpavf.c b/drivers/mempool/octeontx/octeontx_fpavf.c index 3bc50f35d..28f431ed9 100644 --- a/drivers/mempool/octeontx/octeontx_fpavf.c +++ b/drivers/mempool/octeontx/octeontx_fpavf.c @@ -386,8 +386,8 @@ octeontx_fpapf_aura_detach(unsigned int gpool_index) return ret; } -static int -octeontx_fpavf_pool_setup(uintptr_t handle, unsigned long memsz, +int +octeontx_fpavf_pool_set_range(uintptr_t handle, unsigned long memsz, void *memva, uint16_t gpool) { uint64_t va_end; @@ -509,12 +509,9 @@ octeontx_fpa_bufpool_free_count(uintptr_t handle) uintptr_t octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count, - unsigned int buf_offset, char **va_start, - int node_id) + unsigned int buf_offset, int node_id) { unsigned int gpool; - void *memva; - unsigned long memsz; uintptr_t gpool_handle; uintptr_t pool_bar; int res; @@ -522,9 +519,6 @@ octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count, RTE_SET_USED(node_id); RTE_BUILD_BUG_ON(sizeof(struct rte_mbuf) > OCTEONTX_FPAVF_BUF_OFFSET); - if (unlikely(*va_start == NULL)) - goto error_end; - object_size = RTE_CACHE_LINE_ROUNDUP(object_size); if (object_size > FPA_MAX_OBJ_SIZE) { errno = EINVAL; @@ -567,15 +561,6 @@ octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count, goto error_pool_destroy; } - /* vf pool setup */ - memsz = object_size * object_count; - memva = *va_start; - res = octeontx_fpavf_pool_setup(pool_bar, memsz, memva, gpool); - if (res < 0) { - errno = res; - goto error_gaura_detach; - } - /* Release lock */ rte_spinlock_unlock(&fpadev.lock); @@ -591,8 +576,6 @@ octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count, return gpool_handle; -error_gaura_detach: - (void) octeontx_fpapf_aura_detach(gpool); error_pool_destroy: octeontx_fpavf_free(gpool); octeontx_fpapf_pool_destroy(gpool); diff --git a/drivers/mempool/octeontx/octeontx_fpavf.h b/drivers/mempool/octeontx/octeontx_fpavf.h index 1d09f0079..bc5dc3bab 100644 --- a/drivers/mempool/octeontx/octeontx_fpavf.h +++ b/drivers/mempool/octeontx/octeontx_fpavf.h @@ -114,8 +114,10 @@ do { \ uintptr_t octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count, - unsigned int buf_offset, char **va_start, - int node); + unsigned int buf_offset, int node); +int +octeontx_fpavf_pool_set_range(uintptr_t handle, unsigned long memsz, + void *memva, uint16_t gpool); int octeontx_fpa_bufpool_destroy(uintptr_t handle, int node); int diff --git a/drivers/mempool/octeontx/rte_mempool_octeontx.c b/drivers/mempool/octeontx/rte_mempool_octeontx.c index e89355cdd..fc0cab944 100644 --- a/drivers/mempool/octeontx/rte_mempool_octeontx.c +++ b/drivers/mempool/octeontx/rte_mempool_octeontx.c @@ -36,55 +36,18 @@ #include "octeontx_fpavf.h" -/* - * Per-pool descriptor. - * Links mempool with the corresponding memzone, - * that provides memory under the pool's elements. - */ -struct octeontx_pool_info { - const struct rte_mempool *mp; - uintptr_t mz_addr; - - SLIST_ENTRY(octeontx_pool_info) link; -}; - -SLIST_HEAD(octeontx_pool_list, octeontx_pool_info); - -/* List of the allocated pools */ -static struct octeontx_pool_list octeontx_pool_head = - SLIST_HEAD_INITIALIZER(octeontx_pool_head); -/* Spinlock to protect pool list */ -static rte_spinlock_t pool_list_lock = RTE_SPINLOCK_INITIALIZER; - static int octeontx_fpavf_alloc(struct rte_mempool *mp) { uintptr_t pool; - struct octeontx_pool_info *pool_info; uint32_t memseg_count = mp->size; uint32_t object_size; - uintptr_t va_start; int rc = 0; - rte_spinlock_lock(&pool_list_lock); - SLIST_FOREACH(pool_info, &octeontx_pool_head, link) { - if (pool_info->mp == mp) - break; - } - if (pool_info == NULL) { - rte_spinlock_unlock(&pool_list_lock); - return -ENXIO; - } - - /* virtual hugepage mapped addr */ - va_start = pool_info->mz_addr; - rte_spinlock_unlock(&pool_list_lock); - object_size = mp->elt_size + mp->header_size + mp->trailer_size; pool = octeontx_fpa_bufpool_create(object_size, memseg_count, OCTEONTX_FPAVF_BUF_OFFSET, - (char **)&va_start, mp->socket_id); rc = octeontx_fpa_bufpool_block_size(pool); if (rc < 0) @@ -109,27 +72,9 @@ octeontx_fpavf_alloc(struct rte_mempool *mp) static void octeontx_fpavf_free(struct rte_mempool *mp) { - struct octeontx_pool_info *pool_info; uintptr_t pool; - pool = (uintptr_t)mp->pool_id; - rte_spinlock_lock(&pool_list_lock); - SLIST_FOREACH(pool_info, &octeontx_pool_head, link) { - if (pool_info->mp == mp) - break; - } - - if (pool_info == NULL) { - rte_spinlock_unlock(&pool_list_lock); - rte_panic("%s: trying to free pool with no valid metadata", - __func__); - } - - SLIST_REMOVE(&octeontx_pool_head, pool_info, octeontx_pool_info, link); - rte_spinlock_unlock(&pool_list_lock); - - rte_free(pool_info); octeontx_fpa_bufpool_destroy(pool, mp->socket_id); } @@ -222,21 +167,14 @@ static int octeontx_fpavf_register_memory_area(const struct rte_mempool *mp, char *vaddr, rte_iova_t paddr, size_t len) { - struct octeontx_pool_info *pool_info; - RTE_SET_USED(paddr); - RTE_SET_USED(len); + uint8_t gpool; + uintptr_t pool_bar; - pool_info = rte_malloc("octeontx_pool_info", sizeof(*pool_info), 0); - if (pool_info == NULL) - return -ENOMEM; + gpool = octeontx_fpa_bufpool_gpool(mp->pool_id); + pool_bar = mp->pool_id & ~(uint64_t)FPA_GPOOL_MASK; - pool_info->mp = mp; - pool_info->mz_addr = (uintptr_t)vaddr; - rte_spinlock_lock(&pool_list_lock); - SLIST_INSERT_HEAD(&octeontx_pool_head, pool_info, link); - rte_spinlock_unlock(&pool_list_lock); - return 0; + return octeontx_fpavf_pool_set_range(pool_bar, len, vaddr, gpool); } static struct rte_mempool_ops octeontx_fpavf_ops = { -- 2.14.1