From 6ec99c3147f3e8fd608973cd8f4a25c156bb1490 Mon Sep 17 00:00:00 2001 From: Mohsin Kazmi Date: Wed, 7 Nov 2018 16:55:18 +0100 Subject: physmem: Add physmem map support This patch adds support for mapping the virtual address to physical address and size of memory allocated. Change-Id: I7659a1881308e89b215c486fecd7c973076d0773 Signed-off-by: Mohsin Kazmi --- src/vppinfra/pmalloc.c | 21 +++++++++++++++++++++ src/vppinfra/pmalloc.h | 1 + 2 files changed, 22 insertions(+) (limited to 'src/vppinfra') diff --git a/src/vppinfra/pmalloc.c b/src/vppinfra/pmalloc.c index 46ccd7f6efc..62b4f60c2eb 100644 --- a/src/vppinfra/pmalloc.c +++ b/src/vppinfra/pmalloc.c @@ -687,6 +687,27 @@ format_pmalloc (u8 * s, va_list * va) return s; } +u8 * +format_pmalloc_map (u8 * s, va_list * va) +{ + clib_pmalloc_main_t *pm = va_arg (*va, clib_pmalloc_main_t *); + + u32 index; + s = format (s, "%16s %13s %8s", "virtual-addr", "physical-addr", "size"); + vec_foreach_index (index, pm->lookup_table) + { + uword *lookup_val, pa, va; + lookup_val = vec_elt_at_index (pm->lookup_table, index); + va = pointer_to_uword (pm->base) + (index << pm->lookup_log2_page_sz); + pa = va - *lookup_val; + s = + format (s, "\n %16p %13p %8U", uword_to_pointer (va, u64), + uword_to_pointer (pa, u64), format_log2_page_size, + pm->lookup_log2_page_sz); + } + return s; +} + /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vppinfra/pmalloc.h b/src/vppinfra/pmalloc.h index 9cd652971a6..eae317fb945 100644 --- a/src/vppinfra/pmalloc.h +++ b/src/vppinfra/pmalloc.h @@ -120,6 +120,7 @@ void *clib_pmalloc_alloc_from_arena (clib_pmalloc_main_t * pm, void *arena_va, uword size, uword align); format_function_t format_pmalloc; +format_function_t format_pmalloc_map; always_inline clib_error_t * clib_pmalloc_last_error (clib_pmalloc_main_t * pm) -- cgit 1.2.3-korg