diff options
Diffstat (limited to 'lib/librte_eal/bsdapp')
| -rw-r--r-- | lib/librte_eal/bsdapp/contigmem/contigmem.c | 197 | ||||
| -rw-r--r-- | lib/librte_eal/bsdapp/eal/Makefile | 3 | ||||
| -rw-r--r-- | lib/librte_eal/bsdapp/eal/eal.c | 25 | ||||
| -rw-r--r-- | lib/librte_eal/bsdapp/eal/eal_pci.c | 8 | ||||
| -rw-r--r-- | lib/librte_eal/bsdapp/eal/eal_thread.c | 1 | ||||
| -rw-r--r-- | lib/librte_eal/bsdapp/eal/rte_eal_version.map | 44 |
6 files changed, 243 insertions, 35 deletions
diff --git a/lib/librte_eal/bsdapp/contigmem/contigmem.c b/lib/librte_eal/bsdapp/contigmem/contigmem.c index da971deb..e8fb9087 100644 --- a/lib/librte_eal/bsdapp/contigmem/contigmem.c +++ b/lib/librte_eal/bsdapp/contigmem/contigmem.c @@ -50,24 +50,37 @@ __FBSDID("$FreeBSD$"); #include <vm/vm.h> #include <vm/pmap.h> +#include <vm/vm_param.h> #include <vm/vm_object.h> #include <vm/vm_page.h> #include <vm/vm_pager.h> +#include <vm/vm_phys.h> + +struct contigmem_buffer { + void *addr; + int refcnt; + struct mtx mtx; +}; + +struct contigmem_vm_handle { + int buffer_index; +}; static int contigmem_load(void); static int contigmem_unload(void); static int contigmem_physaddr(SYSCTL_HANDLER_ARGS); -static d_mmap_t contigmem_mmap; static d_mmap_single_t contigmem_mmap_single; static d_open_t contigmem_open; +static d_close_t contigmem_close; static int contigmem_num_buffers = RTE_CONTIGMEM_DEFAULT_NUM_BUFS; static int64_t contigmem_buffer_size = RTE_CONTIGMEM_DEFAULT_BUF_SIZE; static eventhandler_tag contigmem_eh_tag; -static void *contigmem_buffers[RTE_CONTIGMEM_MAX_NUM_BUFS]; +static struct contigmem_buffer contigmem_buffers[RTE_CONTIGMEM_MAX_NUM_BUFS]; static struct cdev *contigmem_cdev = NULL; +static int contigmem_refcnt; TUNABLE_INT("hw.contigmem.num_buffers", &contigmem_num_buffers); TUNABLE_QUAD("hw.contigmem.buffer_size", &contigmem_buffer_size); @@ -78,6 +91,8 @@ SYSCTL_INT(_hw_contigmem, OID_AUTO, num_buffers, CTLFLAG_RD, &contigmem_num_buffers, 0, "Number of contigmem buffers allocated"); SYSCTL_QUAD(_hw_contigmem, OID_AUTO, buffer_size, CTLFLAG_RD, &contigmem_buffer_size, 0, "Size of each contiguous buffer"); +SYSCTL_INT(_hw_contigmem, OID_AUTO, num_references, CTLFLAG_RD, + &contigmem_refcnt, 0, "Number of references to contigmem"); static SYSCTL_NODE(_hw_contigmem, OID_AUTO, physaddr, CTLFLAG_RD, 0, "physaddr"); @@ -114,42 +129,49 @@ MODULE_VERSION(contigmem, 1); static struct cdevsw contigmem_ops = { .d_name = "contigmem", .d_version = D_VERSION, - .d_mmap = contigmem_mmap, + .d_flags = D_TRACKCLOSE, .d_mmap_single = contigmem_mmap_single, .d_open = contigmem_open, + .d_close = contigmem_close, }; static int contigmem_load() { char index_string[8], description[32]; - int i; + int i, error = 0; + void *addr; if (contigmem_num_buffers > RTE_CONTIGMEM_MAX_NUM_BUFS) { printf("%d buffers requested is greater than %d allowed\n", contigmem_num_buffers, RTE_CONTIGMEM_MAX_NUM_BUFS); - return EINVAL; + error = EINVAL; + goto error; } if (contigmem_buffer_size < PAGE_SIZE || (contigmem_buffer_size & (contigmem_buffer_size - 1)) != 0) { printf("buffer size 0x%lx is not greater than PAGE_SIZE and " "power of two\n", contigmem_buffer_size); - return EINVAL; + error = EINVAL; + goto error; } for (i = 0; i < contigmem_num_buffers; i++) { - contigmem_buffers[i] = - contigmalloc(contigmem_buffer_size, M_CONTIGMEM, M_ZERO, 0, - BUS_SPACE_MAXADDR, contigmem_buffer_size, 0); - - if (contigmem_buffers[i] == NULL) { + addr = contigmalloc(contigmem_buffer_size, M_CONTIGMEM, M_ZERO, + 0, BUS_SPACE_MAXADDR, contigmem_buffer_size, 0); + if (addr == NULL) { printf("contigmalloc failed for buffer %d\n", i); - return ENOMEM; + error = ENOMEM; + goto error; } - printf("%2u: virt=%p phys=%p\n", i, contigmem_buffers[i], - (void *)pmap_kextract((vm_offset_t)contigmem_buffers[i])); + printf("%2u: virt=%p phys=%p\n", i, addr, + (void *)pmap_kextract((vm_offset_t)addr)); + + mtx_init(&contigmem_buffers[i].mtx, "contigmem", NULL, MTX_DEF); + contigmem_buffers[i].addr = addr; + contigmem_buffers[i].refcnt = 0; snprintf(index_string, sizeof(index_string), "%d", i); snprintf(description, sizeof(description), @@ -165,6 +187,17 @@ contigmem_load() GID_WHEEL, 0600, "contigmem"); return 0; + +error: + for (i = 0; i < contigmem_num_buffers; i++) { + if (contigmem_buffers[i].addr != NULL) + contigfree(contigmem_buffers[i].addr, + contigmem_buffer_size, M_CONTIGMEM); + if (mtx_initialized(&contigmem_buffers[i].mtx)) + mtx_destroy(&contigmem_buffers[i].mtx); + } + + return error; } static int @@ -172,16 +205,22 @@ contigmem_unload() { int i; + if (contigmem_refcnt > 0) + return EBUSY; + if (contigmem_cdev != NULL) destroy_dev(contigmem_cdev); if (contigmem_eh_tag != NULL) EVENTHANDLER_DEREGISTER(process_exit, contigmem_eh_tag); - for (i = 0; i < RTE_CONTIGMEM_MAX_NUM_BUFS; i++) - if (contigmem_buffers[i] != NULL) - contigfree(contigmem_buffers[i], contigmem_buffer_size, - M_CONTIGMEM); + for (i = 0; i < RTE_CONTIGMEM_MAX_NUM_BUFS; i++) { + if (contigmem_buffers[i].addr != NULL) + contigfree(contigmem_buffers[i].addr, + contigmem_buffer_size, M_CONTIGMEM); + if (mtx_initialized(&contigmem_buffers[i].mtx)) + mtx_destroy(&contigmem_buffers[i].mtx); + } return 0; } @@ -192,7 +231,7 @@ contigmem_physaddr(SYSCTL_HANDLER_ARGS) uint64_t physaddr; int index = (int)(uintptr_t)arg1; - physaddr = (uint64_t)vtophys(contigmem_buffers[index]); + physaddr = (uint64_t)vtophys(contigmem_buffers[index].addr); return sysctl_handle_64(oidp, &physaddr, 0, req); } @@ -200,22 +239,121 @@ static int contigmem_open(struct cdev *cdev, int fflags, int devtype, struct thread *td) { + + atomic_add_int(&contigmem_refcnt, 1); + return 0; } static int -contigmem_mmap(struct cdev *cdev, vm_ooffset_t offset, vm_paddr_t *paddr, - int prot, vm_memattr_t *memattr) +contigmem_close(struct cdev *cdev, int fflags, int devtype, + struct thread *td) { - *paddr = offset; + atomic_subtract_int(&contigmem_refcnt, 1); + return 0; } static int +contigmem_cdev_pager_ctor(void *handle, vm_ooffset_t size, vm_prot_t prot, + vm_ooffset_t foff, struct ucred *cred, u_short *color) +{ + struct contigmem_vm_handle *vmh = handle; + struct contigmem_buffer *buf; + + buf = &contigmem_buffers[vmh->buffer_index]; + + atomic_add_int(&contigmem_refcnt, 1); + + mtx_lock(&buf->mtx); + if (buf->refcnt == 0) + memset(buf->addr, 0, contigmem_buffer_size); + buf->refcnt++; + mtx_unlock(&buf->mtx); + + return 0; +} + +static void +contigmem_cdev_pager_dtor(void *handle) +{ + struct contigmem_vm_handle *vmh = handle; + struct contigmem_buffer *buf; + + buf = &contigmem_buffers[vmh->buffer_index]; + + mtx_lock(&buf->mtx); + buf->refcnt--; + mtx_unlock(&buf->mtx); + + free(vmh, M_CONTIGMEM); + + atomic_subtract_int(&contigmem_refcnt, 1); +} + +static int +contigmem_cdev_pager_fault(vm_object_t object, vm_ooffset_t offset, int prot, + vm_page_t *mres) +{ + vm_paddr_t paddr; + vm_page_t m_paddr, page; + vm_memattr_t memattr, memattr1; + + memattr = object->memattr; + + VM_OBJECT_WUNLOCK(object); + + paddr = offset; + + m_paddr = vm_phys_paddr_to_vm_page(paddr); + if (m_paddr != NULL) { + memattr1 = pmap_page_get_memattr(m_paddr); + if (memattr1 != memattr) + memattr = memattr1; + } + + if (((*mres)->flags & PG_FICTITIOUS) != 0) { + /* + * If the passed in result page is a fake page, update it with + * the new physical address. + */ + page = *mres; + VM_OBJECT_WLOCK(object); + vm_page_updatefake(page, paddr, memattr); + } else { + vm_page_t mret; + /* + * Replace the passed in reqpage page with our own fake page and + * free up the original page. + */ + page = vm_page_getfake(paddr, memattr); + VM_OBJECT_WLOCK(object); + mret = vm_page_replace(page, object, (*mres)->pindex); + KASSERT(mret == *mres, + ("invalid page replacement, old=%p, ret=%p", *mres, mret)); + vm_page_lock(mret); + vm_page_free(mret); + vm_page_unlock(mret); + *mres = page; + } + + page->valid = VM_PAGE_BITS_ALL; + + return VM_PAGER_OK; +} + +static struct cdev_pager_ops contigmem_cdev_pager_ops = { + .cdev_pg_ctor = contigmem_cdev_pager_ctor, + .cdev_pg_dtor = contigmem_cdev_pager_dtor, + .cdev_pg_fault = contigmem_cdev_pager_fault, +}; + +static int contigmem_mmap_single(struct cdev *cdev, vm_ooffset_t *offset, vm_size_t size, struct vm_object **obj, int nprot) { + struct contigmem_vm_handle *vmh; uint64_t buffer_index; /* @@ -227,10 +365,17 @@ contigmem_mmap_single(struct cdev *cdev, vm_ooffset_t *offset, vm_size_t size, if (buffer_index >= contigmem_num_buffers) return EINVAL; - memset(contigmem_buffers[buffer_index], 0, contigmem_buffer_size); - *offset = (vm_ooffset_t)vtophys(contigmem_buffers[buffer_index]); - *obj = vm_pager_allocate(OBJT_DEVICE, cdev, size, nprot, *offset, - curthread->td_ucred); + if (size > contigmem_buffer_size) + return EINVAL; + + vmh = malloc(sizeof(*vmh), M_CONTIGMEM, M_NOWAIT | M_ZERO); + if (vmh == NULL) + return ENOMEM; + vmh->buffer_index = buffer_index; + + *offset = (vm_ooffset_t)vtophys(contigmem_buffers[buffer_index].addr); + *obj = cdev_pager_allocate(vmh, OBJT_DEVICE, &contigmem_cdev_pager_ops, + size, nprot, *offset, curthread->td_ucred); return 0; } diff --git a/lib/librte_eal/bsdapp/eal/Makefile b/lib/librte_eal/bsdapp/eal/Makefile index a0f99502..005019ed 100644 --- a/lib/librte_eal/bsdapp/eal/Makefile +++ b/lib/librte_eal/bsdapp/eal/Makefile @@ -48,7 +48,7 @@ LDLIBS += -lgcc_s EXPORT_MAP := rte_eal_version.map -LIBABIVER := 4 +LIBABIVER := 5 # specific to bsdapp exec-env SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) := eal.c @@ -87,6 +87,7 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_malloc.c SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += malloc_elem.c SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += malloc_heap.c SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_keepalive.c +SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_service.c # from arch dir SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_cpuflags.c diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c index 05f0c1f9..5fa59884 100644 --- a/lib/librte_eal/bsdapp/eal/eal.c +++ b/lib/librte_eal/bsdapp/eal/eal.c @@ -45,7 +45,6 @@ #include <stddef.h> #include <errno.h> #include <limits.h> -#include <errno.h> #include <sys/mman.h> #include <sys/queue.h> @@ -59,6 +58,7 @@ #include <rte_errno.h> #include <rte_per_lcore.h> #include <rte_lcore.h> +#include <rte_service_component.h> #include <rte_log.h> #include <rte_random.h> #include <rte_cycles.h> @@ -69,7 +69,6 @@ #include <rte_pci.h> #include <rte_dev.h> #include <rte_devargs.h> -#include <rte_common.h> #include <rte_version.h> #include <rte_atomic.h> #include <malloc_heap.h> @@ -615,6 +614,11 @@ rte_eal_init(int argc, char **argv) rte_config.master_lcore, thread_id, cpuset, ret == 0 ? "" : "..."); + if (eal_option_device_parse()) { + rte_errno = ENODEV; + return -1; + } + if (rte_bus_scan()) { rte_eal_init_alert("Cannot scan the buses for devices\n"); rte_errno = ENODEV; @@ -653,6 +657,14 @@ rte_eal_init(int argc, char **argv) rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER); rte_eal_mp_wait_lcore(); + /* initialize services so vdevs register service during bus_probe. */ + ret = rte_service_init(); + if (ret) { + rte_eal_init_alert("rte_service_init() failed\n"); + rte_errno = ENOEXEC; + return -1; + } + /* Probe all the buses and devices/drivers on them */ if (rte_bus_probe()) { rte_eal_init_alert("Cannot probe devices\n"); @@ -660,6 +672,15 @@ rte_eal_init(int argc, char **argv) return -1; } + /* initialize default service/lcore mappings and start running. Ignore + * -ENOTSUP, as it indicates no service coremask passed to EAL. + */ + ret = rte_service_start_with_defaults(); + if (ret < 0 && ret != -ENOTSUP) { + rte_errno = ENOEXEC; + return -1; + } + rte_eal_mcfg_complete(); return fctret; diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c b/lib/librte_eal/bsdapp/eal/eal_pci.c index e321461d..04eacdcc 100644 --- a/lib/librte_eal/bsdapp/eal/eal_pci.c +++ b/lib/librte_eal/bsdapp/eal/eal_pci.c @@ -41,7 +41,6 @@ #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> -#include <stdarg.h> #include <errno.h> #include <dirent.h> #include <limits.h> @@ -52,7 +51,6 @@ #include <dev/pci/pcireg.h> #if defined(RTE_ARCH_X86) -#include <sys/types.h> #include <machine/cpufunc.h> #endif @@ -282,8 +280,7 @@ pci_scan_one(int dev_pci_fd, struct pci_conf *conf) /* FreeBSD has no NUMA support (yet) */ dev->device.numa_node = 0; - rte_pci_device_name(&dev->addr, dev->name, sizeof(dev->name)); - dev->device.name = dev->name; + pci_name_set(dev); /* FreeBSD has only one pass through driver */ dev->kdrv = RTE_KDRV_NIC_UIO; @@ -334,6 +331,7 @@ pci_scan_one(int dev_pci_fd, struct pci_conf *conf) } else { /* already registered */ dev2->kdrv = dev->kdrv; dev2->max_vfs = dev->max_vfs; + pci_name_set(dev2); memmove(dev2->mem_resource, dev->mem_resource, sizeof(dev->mem_resource)); @@ -396,7 +394,7 @@ rte_pci_scan(void) close(fd); - RTE_LOG(ERR, EAL, "PCI scan found %u devices\n", dev_count); + RTE_LOG(DEBUG, EAL, "PCI scan found %u devices\n", dev_count); return 0; error: diff --git a/lib/librte_eal/bsdapp/eal/eal_thread.c b/lib/librte_eal/bsdapp/eal/eal_thread.c index 1b8cd8a6..783d68c5 100644 --- a/lib/librte_eal/bsdapp/eal/eal_thread.c +++ b/lib/librte_eal/bsdapp/eal/eal_thread.c @@ -49,7 +49,6 @@ #include <rte_memzone.h> #include <rte_per_lcore.h> #include <rte_eal.h> -#include <rte_per_lcore.h> #include <rte_lcore.h> #include "eal_private.h" diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map index 2e48a736..aac6fd77 100644 --- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map +++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map @@ -193,3 +193,47 @@ DPDK_17.05 { vfio_get_group_no; } DPDK_17.02; + +DPDK_17.08 { + global: + + rte_bus_find; + rte_bus_find_by_device; + rte_bus_find_by_name; + rte_log_get_level; + +} DPDK_17.05; + +EXPERIMENTAL { + global: + + rte_eal_devargs_insert; + rte_eal_devargs_parse; + rte_eal_devargs_remove; + rte_eal_hotplug_add; + rte_eal_hotplug_remove; + rte_service_disable_on_lcore; + rte_service_dump; + rte_service_enable_on_lcore; + rte_service_get_by_id; + rte_service_get_by_name; + rte_service_get_count; + rte_service_get_enabled_on_lcore; + rte_service_is_running; + rte_service_lcore_add; + rte_service_lcore_count; + rte_service_lcore_del; + rte_service_lcore_list; + rte_service_lcore_reset_all; + rte_service_lcore_start; + rte_service_lcore_stop; + rte_service_probe_capability; + rte_service_register; + rte_service_reset; + rte_service_set_stats_enable; + rte_service_start; + rte_service_start_with_defaults; + rte_service_stop; + rte_service_unregister; + +} DPDK_17.08; |