Move the basic memory request information supplied by the user from the
internal-config to the user config structure in EAL. For the number of
channels or ranks of memory, limit the data size to uint8_t rather than
having a full 32-bit value per entry.

Signed-off-by: Bruce Richardson <[email protected]>
---
 lib/eal/common/eal_common_dynmem.c  | 11 ++++++-----
 lib/eal/common/eal_common_memory.c  |  8 ++++----
 lib/eal/common/eal_common_options.c | 29 ++++++++++++++++++-----------
 lib/eal/common/eal_internal_cfg.h   |  8 ++++----
 lib/eal/freebsd/eal.c               |  7 ++++---
 lib/eal/freebsd/eal_memory.c        | 11 ++++++-----
 lib/eal/linux/eal.c                 |  5 +++--
 lib/eal/linux/eal_memory.c          | 12 ++++++------
 lib/eal/windows/eal.c               |  5 +++--
 lib/eal/windows/eal_memory.c        |  3 ++-
 10 files changed, 56 insertions(+), 43 deletions(-)

diff --git a/lib/eal/common/eal_common_dynmem.c 
b/lib/eal/common/eal_common_dynmem.c
index 8f51d6dd4a..5bd22f6ef0 100644
--- a/lib/eal/common/eal_common_dynmem.c
+++ b/lib/eal/common/eal_common_dynmem.c
@@ -376,7 +376,8 @@ eal_dynmem_calc_num_pages_per_socket(
        uint64_t remaining_mem, cur_mem;
        const struct internal_config *internal_conf =
                eal_get_internal_configuration();
-       uint64_t total_mem = internal_conf->memory;
+       const struct eal_user_cfg *user_cfg = eal_get_user_configuration();
+       uint64_t total_mem = user_cfg->memory;
 
        if (num_hp_info == 0)
                return -1;
@@ -400,12 +401,12 @@ eal_dynmem_calc_num_pages_per_socket(
                 * sockets according to number of cores from CPU mask present
                 * on each socket.
                 */
-               total_size = internal_conf->memory;
+               total_size = user_cfg->memory;
                for (socket = 0; socket < RTE_MAX_NUMA_NODES && total_size != 0;
                                socket++) {
 
                        /* Set memory amount per socket */
-                       default_size = internal_conf->memory *
+                       default_size = user_cfg->memory *
                                cpu_per_socket[socket] / rte_lcore_count();
 
                        /* Limit to maximum available memory on socket */
@@ -436,7 +437,7 @@ eal_dynmem_calc_num_pages_per_socket(
                /* in 32-bit mode, allocate all of the memory only on main
                 * lcore socket
                 */
-               total_size = internal_conf->memory;
+               total_size = user_cfg->memory;
                for (socket = 0; socket < RTE_MAX_NUMA_NODES && total_size != 0;
                                socket++) {
                        struct rte_config *cfg = rte_eal_get_configuration();
@@ -520,7 +521,7 @@ eal_dynmem_calc_num_pages_per_socket(
 
        /* if we didn't satisfy total memory requirements */
        if (total_mem > 0) {
-               requested = internal_conf->memory / 0x100000;
+               requested = user_cfg->memory / 0x100000;
                available = requested - (total_mem / 0x100000);
                EAL_LOG(ERR, "Not enough memory available! Requested: %uMB, 
available: %uMB",
                        requested, available);
diff --git a/lib/eal/common/eal_common_memory.c 
b/lib/eal/common/eal_common_memory.c
index dccf9406c5..208e3583b0 100644
--- a/lib/eal/common/eal_common_memory.c
+++ b/lib/eal/common/eal_common_memory.c
@@ -662,15 +662,15 @@ static int
 rte_eal_memdevice_init(void)
 {
        struct rte_config *config;
-       const struct internal_config *internal_conf;
+       const struct eal_user_cfg *user_cfg;
 
        if (rte_eal_process_type() == RTE_PROC_SECONDARY)
                return 0;
 
-       internal_conf = eal_get_internal_configuration();
+       user_cfg = eal_get_user_configuration();
        config = rte_eal_get_configuration();
-       config->mem_config->nchannel = internal_conf->force_nchannel;
-       config->mem_config->nrank = internal_conf->force_nrank;
+       config->mem_config->nchannel = user_cfg->force_nchannel;
+       config->mem_config->nrank = user_cfg->force_nrank;
 
        return 0;
 }
diff --git a/lib/eal/common/eal_common_options.c 
b/lib/eal/common/eal_common_options.c
index 290386dc63..11b77bc9dd 100644
--- a/lib/eal/common/eal_common_options.c
+++ b/lib/eal/common/eal_common_options.c
@@ -493,11 +493,12 @@ eal_get_hugefile_prefix(void)
 void
 eal_reset_internal_config(struct internal_config *internal_cfg)
 {
+       struct eal_user_cfg *user_cfg = eal_get_user_configuration();
        int i;
 
-       internal_cfg->memory = 0;
-       internal_cfg->force_nrank = 0;
-       internal_cfg->force_nchannel = 0;
+       user_cfg->memory = 0;
+       user_cfg->force_nrank = 0;
+       user_cfg->force_nchannel = 0;
        internal_cfg->hugefile_prefix = NULL;
        internal_cfg->hugepage_dir = NULL;
        internal_cfg->hugepage_file.unlink_before_mapping = false;
@@ -1957,6 +1958,7 @@ int
 eal_parse_args(void)
 {
        struct internal_config *int_cfg = eal_get_internal_configuration();
+       struct eal_user_cfg *user_cfg = eal_get_user_configuration();
        struct rte_config *rte_cfg = rte_eal_get_configuration();
        bool remap_lcores = (args.remap_lcore_ids != NULL);
        struct arg_list_elem *arg;
@@ -2095,23 +2097,27 @@ eal_parse_args(void)
 
        /* memory options */
        if (args.memory_size != NULL) {
-               int_cfg->memory = atoi(args.memory_size);
-               int_cfg->memory *= 1024ULL;
-               int_cfg->memory *= 1024ULL;
+               user_cfg->memory = atoi(args.memory_size);
+               user_cfg->memory *= 1024ULL;
+               user_cfg->memory *= 1024ULL;
        }
        if (args.memory_channels != NULL) {
-               int_cfg->force_nchannel = atoi(args.memory_channels);
-               if (int_cfg->force_nchannel == 0) {
+               int nchannel = atoi(args.memory_channels);
+
+               if (nchannel <= 0 || nchannel > UINT8_MAX) {
                        EAL_LOG(ERR, "invalid memory channel parameter");
                        return -1;
                }
+               user_cfg->force_nchannel = (uint8_t)nchannel;
        }
        if (args.memory_ranks != NULL) {
-               int_cfg->force_nrank = atoi(args.memory_ranks);
-               if (int_cfg->force_nrank == 0 || int_cfg->force_nrank > 16) {
+               int nrank = atoi(args.memory_ranks);
+
+               if (nrank <= 0 || nrank > 16 || nrank > UINT8_MAX) {
                        EAL_LOG(ERR, "invalid memory rank parameter");
                        return -1;
                }
+               user_cfg->force_nrank = (uint8_t)nrank;
        }
        if (args.no_huge) {
                int_cfg->no_hugetlbfs = 1;
@@ -2354,6 +2360,7 @@ eal_cleanup_config(struct internal_config *internal_cfg)
 int
 eal_adjust_config(struct internal_config *internal_cfg)
 {
+       struct eal_user_cfg *user_cfg = eal_get_user_configuration();
        int i;
 
        if (internal_cfg->process_type == RTE_PROC_AUTO)
@@ -2364,7 +2371,7 @@ eal_adjust_config(struct internal_config *internal_cfg)
        /* if no memory amounts were requested, this will result in 0 and
         * will be overridden later, right after eal_hugepage_info_init() */
        for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
-               internal_cfg->memory += internal_cfg->numa_mem[i];
+               user_cfg->memory += internal_cfg->numa_mem[i];
 
        return 0;
 }
diff --git a/lib/eal/common/eal_internal_cfg.h 
b/lib/eal/common/eal_internal_cfg.h
index fb4afca5b8..1625c697b2 100644
--- a/lib/eal/common/eal_internal_cfg.h
+++ b/lib/eal/common/eal_internal_cfg.h
@@ -13,6 +13,7 @@
 #include <rte_eal.h>
 #include <rte_os_shim.h>
 #include <rte_pci_dev_feature_defs.h>
+#include <stdint.h>
 
 #include "eal_thread.h"
 
@@ -53,7 +54,9 @@ struct hugepage_file_discipline {
  * Immutable after initialization, so no need for atomic types or locks.
  */
 struct eal_user_cfg {
-       uint8_t reserved;
+       size_t memory;           /**< amount of asked memory */
+       uint8_t force_nchannel;  /**< force number of channels */
+       uint8_t force_nrank;     /**< force number of ranks */
 };
 
 /**
@@ -77,9 +80,6 @@ struct eal_runtime_state {
  * internal configuration
  */
 struct internal_config {
-       volatile size_t memory;           /**< amount of asked memory */
-       volatile unsigned force_nchannel; /**< force number of channels */
-       volatile unsigned force_nrank;    /**< force number of ranks */
        volatile unsigned no_hugetlbfs;   /**< true to disable hugetlbfs */
        struct hugepage_file_discipline hugepage_file;
        volatile unsigned no_pci;         /**< true to disable PCI */
diff --git a/lib/eal/freebsd/eal.c b/lib/eal/freebsd/eal.c
index 60f5e676a8..1779362686 100644
--- a/lib/eal/freebsd/eal.c
+++ b/lib/eal/freebsd/eal.c
@@ -415,6 +415,7 @@ rte_eal_init(int argc, char **argv)
        const struct rte_config *config = rte_eal_get_configuration();
        struct internal_config *internal_conf =
                eal_get_internal_configuration();
+       struct eal_user_cfg *user_cfg = eal_get_user_configuration();
        bool has_phys_addr;
        enum rte_iova_mode iova_mode;
 
@@ -587,11 +588,11 @@ rte_eal_init(int argc, char **argv)
                }
        }
 
-       if (internal_conf->memory == 0 && internal_conf->force_numa == 0) {
+       if (user_cfg->memory == 0 && internal_conf->force_numa == 0) {
                if (internal_conf->no_hugetlbfs)
-                       internal_conf->memory = MEMSIZE_IF_NO_HUGE_PAGE;
+                       user_cfg->memory = MEMSIZE_IF_NO_HUGE_PAGE;
                else
-                       internal_conf->memory = eal_get_hugepage_mem_size();
+                       user_cfg->memory = eal_get_hugepage_mem_size();
        }
 
        if (internal_conf->vmware_tsc_map == 1) {
diff --git a/lib/eal/freebsd/eal_memory.c b/lib/eal/freebsd/eal_memory.c
index cd608db9f9..a0a398ab55 100644
--- a/lib/eal/freebsd/eal_memory.c
+++ b/lib/eal/freebsd/eal_memory.c
@@ -70,11 +70,12 @@ rte_eal_hugepage_init(void)
                struct rte_memseg_list *msl;
                uint64_t mem_sz, page_sz;
                int n_segs;
+               const struct eal_user_cfg *user_cfg = 
eal_get_user_configuration();
 
                /* create a memseg list */
                msl = &mcfg->memsegs[0];
 
-               mem_sz = internal_conf->memory;
+               mem_sz = user_cfg->memory;
                page_sz = RTE_PGSIZE_4K;
                n_segs = mem_sz / page_sz;
 
@@ -109,7 +110,7 @@ rte_eal_hugepage_init(void)
                hpi = &internal_conf->hugepage_info[i];
                page_sz = hpi->hugepage_sz;
                max_pages = hpi->num_pages[0];
-               mem_needed = RTE_ALIGN_CEIL(internal_conf->memory - total_mem,
+               mem_needed = 
RTE_ALIGN_CEIL(eal_get_user_configuration()->memory - total_mem,
                                page_sz);
 
                n_pages = RTE_MIN(mem_needed / page_sz, max_pages);
@@ -229,14 +230,14 @@ rte_eal_hugepage_init(void)
 
                        total_mem += seg->len;
                }
-               if (total_mem >= internal_conf->memory)
+               if (total_mem >= eal_get_user_configuration()->memory)
                        break;
        }
-       if (total_mem < internal_conf->memory) {
+       if (total_mem < eal_get_user_configuration()->memory) {
                EAL_LOG(ERR, "Couldn't reserve requested memory, "
                                "requested: %" PRIu64 "M "
                                "available: %" PRIu64 "M",
-                               internal_conf->memory >> 20, total_mem >> 20);
+                               eal_get_user_configuration()->memory >> 20, 
total_mem >> 20);
                return -1;
        }
        return 0;
diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c
index d848de03d8..a15e4dd598 100644
--- a/lib/eal/linux/eal.c
+++ b/lib/eal/linux/eal.c
@@ -577,6 +577,7 @@ rte_eal_init(int argc, char **argv)
        const struct rte_config *config = rte_eal_get_configuration();
        struct internal_config *internal_conf =
                eal_get_internal_configuration();
+       struct eal_user_cfg *user_cfg = eal_get_user_configuration();
 
        /* first check if we have been run before */
        if (!rte_atomic_compare_exchange_strong_explicit(&run_once, &has_run, 1,
@@ -750,9 +751,9 @@ rte_eal_init(int argc, char **argv)
                }
        }
 
-       if (internal_conf->memory == 0 && internal_conf->force_numa == 0) {
+       if (user_cfg->memory == 0 && internal_conf->force_numa == 0) {
                if (internal_conf->no_hugetlbfs)
-                       internal_conf->memory = MEMSIZE_IF_NO_HUGE_PAGE;
+                       user_cfg->memory = MEMSIZE_IF_NO_HUGE_PAGE;
        }
 
        if (internal_conf->vmware_tsc_map == 1) {
diff --git a/lib/eal/linux/eal_memory.c b/lib/eal/linux/eal_memory.c
index bf783e3c76..695596668f 100644
--- a/lib/eal/linux/eal_memory.c
+++ b/lib/eal/linux/eal_memory.c
@@ -1182,7 +1182,7 @@ eal_legacy_hugepage_init(void)
                /* create a memseg list */
                msl = &mcfg->memsegs[0];
 
-               mem_sz = internal_conf->memory;
+               mem_sz = eal_get_user_configuration()->memory;
                page_sz = RTE_PGSIZE_4K;
                n_segs = mem_sz / page_sz;
 
@@ -1203,7 +1203,7 @@ eal_legacy_hugepage_init(void)
                        EAL_LOG(DEBUG, "Falling back to anonymous map");
                } else {
                        /* we got an fd - now resize it */
-                       if (ftruncate(memfd, internal_conf->memory) < 0) {
+                       if (ftruncate(memfd, 
eal_get_user_configuration()->memory) < 0) {
                                EAL_LOG(ERR, "Cannot resize memfd: %s",
                                                strerror(errno));
                                EAL_LOG(ERR, "Falling back to anonymous map");
@@ -1359,8 +1359,8 @@ eal_legacy_hugepage_init(void)
 
        huge_recover_sigbus();
 
-       if (internal_conf->memory == 0 && internal_conf->force_numa == 0)
-               internal_conf->memory = eal_get_hugepage_mem_size();
+       if (eal_get_user_configuration()->memory == 0 && 
internal_conf->force_numa == 0)
+               eal_get_user_configuration()->memory = 
eal_get_hugepage_mem_size();
 
        nr_hugefiles = nr_hugepages;
 
@@ -1758,7 +1758,7 @@ memseg_primary_init_32(void)
                        total_requested_mem += mem;
                }
        else
-               total_requested_mem = internal_conf->memory;
+               total_requested_mem = eal_get_user_configuration()->memory;
 
        max_mem = (uint64_t)RTE_MAX_MEM_MB << 20;
        if (total_requested_mem > max_mem) {
@@ -1823,7 +1823,7 @@ memseg_primary_init_32(void)
                /* max amount of memory on this socket */
                max_socket_mem = (active_sockets != 0 ?
                                        internal_conf->numa_mem[socket_id] :
-                                       internal_conf->memory) +
+                                       eal_get_user_configuration()->memory) +
                                        extra_mem_per_socket;
                cur_socket_mem = 0;
 
diff --git a/lib/eal/windows/eal.c b/lib/eal/windows/eal.c
index f06375a624..2e1cd88189 100644
--- a/lib/eal/windows/eal.c
+++ b/lib/eal/windows/eal.c
@@ -161,6 +161,7 @@ rte_eal_init(int argc, char **argv)
        const struct rte_config *config = rte_eal_get_configuration();
        struct internal_config *internal_conf =
                eal_get_internal_configuration();
+       struct eal_user_cfg *user_cfg = eal_get_user_configuration();
        bool has_phys_addr;
        enum rte_iova_mode iova_mode;
        int ret;
@@ -230,9 +231,9 @@ rte_eal_init(int argc, char **argv)
                goto err_out;
        }
 
-       if (internal_conf->memory == 0 && !internal_conf->force_numa) {
+       if (user_cfg->memory == 0 && !internal_conf->force_numa) {
                if (internal_conf->no_hugetlbfs)
-                       internal_conf->memory = MEMSIZE_IF_NO_HUGE_PAGE;
+                       user_cfg->memory = MEMSIZE_IF_NO_HUGE_PAGE;
        }
 
        if (rte_eal_intr_init() < 0) {
diff --git a/lib/eal/windows/eal_memory.c b/lib/eal/windows/eal_memory.c
index 9f85191016..caaa557694 100644
--- a/lib/eal/windows/eal_memory.c
+++ b/lib/eal/windows/eal_memory.c
@@ -680,13 +680,14 @@ eal_nohuge_init(void)
        mcfg = rte_eal_get_configuration()->mem_config;
        struct internal_config *internal_conf =
                eal_get_internal_configuration();
+       const struct eal_user_cfg *user_cfg = eal_get_user_configuration();
 
        /* nohuge mode is legacy mode */
        internal_conf->legacy_mem = 1;
 
        msl = &mcfg->memsegs[0];
 
-       mem_sz = internal_conf->memory;
+       mem_sz = user_cfg->memory;
        page_sz = RTE_PGSIZE_4K;
        n_segs = mem_sz / page_sz;
 
-- 
2.51.0

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