45 lines
1.1 KiB
Diff
45 lines
1.1 KiB
Diff
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Author: Tomas Bzatek <tbzatek@redhat.com>
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Description: 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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diff -Naurp libnvme.orig/src/nvme/private.h libnvme/src/nvme/private.h
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--- libnvme.orig/src/nvme/private.h
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+++ libnvme/src/nvme/private.h
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@@ -145,6 +145,8 @@ nvme_ctrl_t __nvme_lookup_ctrl(nvme_subs
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const char *host_iface, const char *trsvcid,
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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 -Naurp libnvme.orig/src/nvme/util.c libnvme/src/nvme/util.c
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--- libnvme.orig/src/nvme/util.c
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+++ libnvme/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 <string.h>
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#include <errno.h>
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@@ -901,3 +902,15 @@ int nvme_uuid_random(unsigned char uuid[
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return 0;
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}
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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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