56 lines
1.5 KiB
Diff
56 lines
1.5 KiB
Diff
From a2b8e52e46cfd888ac5a48d8ce632bd70a5caa93 Mon Sep 17 00:00:00 2001
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From: Tomas Bzatek <tbzatek@redhat.com>
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Date: Tue, 10 Oct 2023 18:16:24 +0200
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Subject: [PATCH] util: Introduce alloc helper with alignment support
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Similar to nvme-cli an alloc helper is needed for a couple
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of ioctls sent out during tree scan.
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Signed-off-by: Tomas Bzatek <tbzatek@redhat.com>
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---
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src/nvme/private.h | 2 ++
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src/nvme/util.c | 13 +++++++++++++
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2 files changed, 15 insertions(+)
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diff --git a/src/nvme/private.h b/src/nvme/private.h
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index 6fb9784a..ee9d738b 100644
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--- a/src/nvme/private.h
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+++ b/src/nvme/private.h
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@@ -182,6 +182,8 @@ nvme_ctrl_t __nvme_lookup_ctrl(nvme_subsystem_t s, const char *transport,
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const char *host_iface, const char *trsvcid,
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const char *subsysnqn, nvme_ctrl_t p);
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+void *__nvme_alloc(size_t len);
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+
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#if (LOG_FUNCNAME == 1)
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#define __nvme_log_func __func__
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#else
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diff --git a/src/nvme/util.c b/src/nvme/util.c
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index 8fe094d5..20679685 100644
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--- a/src/nvme/util.c
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+++ b/src/nvme/util.c
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@@ -7,6 +7,7 @@
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* Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
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*/
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+#include <stdlib.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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@@ -1058,3 +1059,15 @@ bool nvme_iface_primary_addr_matches(const struct ifaddrs *iface_list, const cha
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}
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#endif /* HAVE_NETDB */
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+
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+void *__nvme_alloc(size_t len)
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+{
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+ size_t _len = round_up(len, 0x1000);
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+ void *p;
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+
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+ if (posix_memalign((void *)&p, getpagesize(), _len))
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+ return NULL;
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+
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+ memset(p, 0, _len);
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+ return p;
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+}
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