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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] libxl: Add tmem support commands
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1274269712 -3600
# Node ID 5cf04d1c393384d6b73be4cd6eeb5e3ce67a61d5
# Parent 14a273565ad5e22f089e2fee8a86d5b0c760ada1
libxl: Add tmem support commands
Signed-off-by: Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
---
tools/libxl/libxl.c | 108 ++++++++++++++++++
tools/libxl/libxl.h | 8 +
tools/libxl/xl_cmdimpl.c | 276 ++++++++++++++++++++++++++++++++++++++++++++++
tools/libxl/xl_cmdimpl.h | 6 +
tools/libxl/xl_cmdtable.c | 42 +++++++
5 files changed, 440 insertions(+)
diff -r 14a273565ad5 -r 5cf04d1c3933 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Wed May 19 11:54:31 2010 +0100
+++ b/tools/libxl/libxl.c Wed May 19 12:48:32 2010 +0100
@@ -2840,3 +2840,111 @@ uint32_t libxl_vm_get_start_time(struct
return strtoul(start_time, NULL, 10);
}
+char *libxl_tmem_list(struct libxl_ctx *ctx, uint32_t domid, int use_long)
+{
+ int rc;
+ char _buf[32768];
+
+ rc = xc_tmem_control(ctx->xch, -1, TMEMC_LIST, domid, 32768, use_long,
+ 0, _buf);
+ if (rc < 0) {
+ XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
+ "Can not get tmem list");
+ return NULL;
+ }
+
+ return strdup(_buf);
+}
+
+int libxl_tmem_freeze(struct libxl_ctx *ctx, uint32_t domid)
+{
+ int rc;
+
+ rc = xc_tmem_control(ctx->xch, -1, TMEMC_FREEZE, domid, 0, 0,
+ 0, NULL);
+ if (rc < 0) {
+ XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
+ "Can not freeze tmem pools");
+ return -1;
+ }
+
+ return rc;
+}
+
+int libxl_tmem_destroy(struct libxl_ctx *ctx, uint32_t domid)
+{
+ int rc;
+
+ rc = xc_tmem_control(ctx->xch, -1, TMEMC_DESTROY, domid, 0, 0,
+ 0, NULL);
+ if (rc < 0) {
+ XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
+ "Can not destroy tmem pools");
+ return -1;
+ }
+
+ return rc;
+}
+
+int libxl_tmem_thaw(struct libxl_ctx *ctx, uint32_t domid)
+{
+ int rc;
+
+ rc = xc_tmem_control(ctx->xch, -1, TMEMC_THAW, domid, 0, 0,
+ 0, NULL);
+ if (rc < 0) {
+ XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
+ "Can not thaw tmem pools");
+ return -1;
+ }
+
+ return rc;
+}
+
+static int32_t tmem_setop_from_string(char *set_name)
+{
+ if (!strcmp(set_name, "weight"))
+ return TMEMC_SET_WEIGHT;
+ else if (!strcmp(set_name, "cap"))
+ return TMEMC_SET_CAP;
+ else if (!strcmp(set_name, "compress"))
+ return TMEMC_SET_COMPRESS;
+ else
+ return -1;
+}
+
+int libxl_tmem_set(struct libxl_ctx *ctx, uint32_t domid, char* name, uint32_t
set)
+{
+ int rc;
+ int32_t subop = tmem_setop_from_string(name);
+
+ if (subop == -1) {
+ XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, -1,
+ "Invalid set, valid sets are <weight|cap|compress>");
+ return -1;
+ }
+ rc = xc_tmem_control(ctx->xch, -1, subop, domid, set, 0, 0, NULL);
+ if (rc < 0) {
+ XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
+ "Can not set tmem %s", name);
+ return -1;
+ }
+
+ return rc;
+}
+
+int libxl_tmem_shared_auth(struct libxl_ctx *ctx, uint32_t domid,
+ char* uuid, int auth)
+{
+ int rc;
+
+ rc = xc_tmem_auth(ctx->xch, domid, uuid, auth);
+ if (rc < 0) {
+ XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
+ "Can not set tmem shared auth");
+ return -1;
+ }
+
+ return rc;
+}
+
diff -r 14a273565ad5 -r 5cf04d1c3933 tools/libxl/libxl.h
--- a/tools/libxl/libxl.h Wed May 19 11:54:31 2010 +0100
+++ b/tools/libxl/libxl.h Wed May 19 12:48:32 2010 +0100
@@ -513,5 +513,13 @@ int libxl_send_sysrq(struct libxl_ctx *c
int libxl_send_sysrq(struct libxl_ctx *ctx, uint32_t domid, char sysrq);
uint32_t libxl_vm_get_start_time(struct libxl_ctx *ctx, uint32_t domid);
+char *libxl_tmem_list(struct libxl_ctx *ctx, uint32_t domid, int use_long);
+int libxl_tmem_freeze(struct libxl_ctx *ctx, uint32_t domid);
+int libxl_tmem_destroy(struct libxl_ctx *ctx, uint32_t domid);
+int libxl_tmem_thaw(struct libxl_ctx *ctx, uint32_t domid);
+int libxl_tmem_set(struct libxl_ctx *ctx, uint32_t domid, char* name,
+ uint32_t set);
+int libxl_tmem_shared_auth(struct libxl_ctx *ctx, uint32_t domid, char* uuid,
+ int auth);
#endif /* LIBXL_H */
diff -r 14a273565ad5 -r 5cf04d1c3933 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c Wed May 19 11:54:31 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c Wed May 19 12:48:32 2010 +0100
@@ -3731,3 +3731,279 @@ int main_uptime(int argc, char **argv)
exit(0);
}
+
+int main_tmem_list(int argc, char **argv)
+{
+ char *dom = NULL;
+ char *buf = NULL;
+ int use_long = 0;
+ int all = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "alh")) != -1) {
+ switch (opt) {
+ case 'l':
+ use_long = 1;
+ break;
+ case 'a':
+ all = 1;
+ break;
+ case 'h':
+ help("tmem-list");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ dom = argv[optind];
+ if (!dom && all == 0) {
+ fprintf(stderr, "You must specify -a or a domain id.\n\n");
+ help("tmem-list");
+ exit(1);
+ }
+
+ if (all)
+ domid = -1;
+ else
+ find_domain(dom);
+
+ buf = libxl_tmem_list(&ctx, domid, use_long);
+ if (buf == NULL)
+ exit(-1);
+
+ printf("%s\n", buf);
+ free(buf);
+ exit(0);
+}
+
+int main_tmem_freeze(int argc, char **argv)
+{
+ char *dom = NULL;
+ int all = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "ah")) != -1) {
+ switch (opt) {
+ case 'a':
+ all = 1;
+ break;
+ case 'h':
+ help("tmem-freeze");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ dom = argv[optind];
+ if (!dom && all == 0) {
+ fprintf(stderr, "You must specify -a or a domain id.\n\n");
+ help("tmem-freeze");
+ exit(1);
+ }
+
+ if (all)
+ domid = -1;
+ else
+ find_domain(dom);
+
+ libxl_tmem_freeze(&ctx, domid);
+ exit(0);
+}
+
+int main_tmem_destroy(int argc, char **argv)
+{
+ char *dom = NULL;
+ int all = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "ah")) != -1) {
+ switch (opt) {
+ case 'a':
+ all = 1;
+ break;
+ case 'h':
+ help("tmem-destroy");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ dom = argv[optind];
+ if (!dom && all == 0) {
+ fprintf(stderr, "You must specify -a or a domain id.\n\n");
+ help("tmem-destroy");
+ exit(1);
+ }
+
+ if (all)
+ domid = -1;
+ else
+ find_domain(dom);
+
+ libxl_tmem_destroy(&ctx, domid);
+ exit(0);
+}
+
+int main_tmem_thaw(int argc, char **argv)
+{
+ char *dom = NULL;
+ int all = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "ah")) != -1) {
+ switch (opt) {
+ case 'a':
+ all = 1;
+ break;
+ case 'h':
+ help("tmem-thaw");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ dom = argv[optind];
+ if (!dom && all == 0) {
+ fprintf(stderr, "You must specify -a or a domain id.\n\n");
+ help("tmem-thaw");
+ exit(1);
+ }
+
+ if (all)
+ domid = -1;
+ else
+ find_domain(dom);
+
+ libxl_tmem_thaw(&ctx, domid);
+ exit(0);
+}
+
+int main_tmem_set(int argc, char **argv)
+{
+ char *dom = NULL;
+ uint32_t weight = 0, cap = 0, compress = 0;
+ int opt_w = 0, opt_c = 0, opt_p = 0;
+ int all = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "aw:c:p:h")) != -1) {
+ switch (opt) {
+ case 'a':
+ all = 1;
+ break;
+ case 'w':
+ weight = strtol(optarg, NULL, 10);
+ opt_w = 1;
+ break;
+ case 'c':
+ cap = strtol(optarg, NULL, 10);
+ opt_c = 1;
+ break;
+ case 'p':
+ compress = strtol(optarg, NULL, 10);
+ opt_p = 1;
+ break;
+ case 'h':
+ help("tmem-set");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ dom = argv[optind];
+ if (!dom && all == 0) {
+ fprintf(stderr, "You must specify -a or a domain id.\n\n");
+ help("tmem-set");
+ exit(1);
+ }
+
+ if (all)
+ domid = -1;
+ else
+ find_domain(dom);
+
+ if (!opt_w && !opt_c && !opt_p) {
+ fprintf(stderr, "No set value specified.\n\n");
+ help("tmem-set");
+ exit(1);
+ }
+
+ if (opt_w)
+ libxl_tmem_set(&ctx, domid, "weight", weight);
+ if (opt_c)
+ libxl_tmem_set(&ctx, domid, "cap", cap);
+ if (opt_p)
+ libxl_tmem_set(&ctx, domid, "compress", compress);
+
+ exit(0);
+}
+
+int main_tmem_shared_auth(int argc, char **argv)
+{
+ char *autharg = NULL;
+ char *endptr = NULL;
+ char *dom = NULL;
+ char *uuid = NULL;
+ int auth = -1;
+ int all = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "au:A:h")) != -1) {
+ switch (opt) {
+ case 'a':
+ all = 1;
+ break;
+ case 'u':
+ uuid = optarg;
+ break;
+ case 'A':
+ autharg = optarg;
+ break;
+ case 'h':
+ help("tmem-shared-auth");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ dom = argv[optind];
+ if (!dom && all == 0) {
+ fprintf(stderr, "You must specify -a or a domain id.\n\n");
+ help("tmem-shared-auth");
+ exit(1);
+ }
+
+ if (all)
+ domid = -1;
+ else
+ find_domain(dom);
+
+ if (uuid == NULL || autharg == NULL) {
+ fprintf(stderr, "No uuid or auth specified.\n\n");
+ help("tmem-shared-auth");
+ exit(1);
+ }
+
+ auth = strtol(autharg, &endptr, 10);
+ if (*endptr != '\0') {
+ fprintf(stderr, "Invalid auth, valid auth are <0|1>.\n\n");
+ exit(1);
+ }
+
+ libxl_tmem_shared_auth(&ctx, domid, uuid, auth);
+
+ exit(0);
+}
+
diff -r 14a273565ad5 -r 5cf04d1c3933 tools/libxl/xl_cmdimpl.h
--- a/tools/libxl/xl_cmdimpl.h Wed May 19 11:54:31 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.h Wed May 19 12:48:32 2010 +0100
@@ -52,6 +52,12 @@ int main_blocklist(int argc, char **argv
int main_blocklist(int argc, char **argv);
int main_blockdetach(int argc, char **argv);
int main_uptime(int argc, char **argv);
+int main_tmem_list(int argc, char **argv);
+int main_tmem_freeze(int argc, char **argv);
+int main_tmem_destroy(int argc, char **argv);
+int main_tmem_thaw(int argc, char **argv);
+int main_tmem_set(int argc, char **argv);
+int main_tmem_shared_auth(int argc, char **argv);
void help(char *command);
diff -r 14a273565ad5 -r 5cf04d1c3933 tools/libxl/xl_cmdtable.c
--- a/tools/libxl/xl_cmdtable.c Wed May 19 11:54:31 2010 +0100
+++ b/tools/libxl/xl_cmdtable.c Wed May 19 12:48:32 2010 +0100
@@ -228,6 +228,48 @@ struct cmd_spec cmd_table[] = {
"Print uptime for all/some domains",
"[-s] [Domain]",
},
+ { "tmem-list",
+ &main_tmem_list,
+ "List tmem pools",
+ "[-l] [<Domain>|-a]",
+ " -l List tmem stats",
+ },
+ { "tmem-freeze",
+ &main_tmem_freeze,
+ "Freeze tmem pools",
+ "[<Domain>|-a]",
+ " -a Freeze all tmem",
+ },
+ { "tmem-destroy",
+ &main_tmem_destroy,
+ "Destroy tmem pools",
+ "[<Domain>|-a]",
+ " -a Destroy all tmem",
+ },
+ { "tmem-thaw",
+ &main_tmem_thaw,
+ "Thaw tmem pools",
+ "[<Domain>|-a]",
+ " -a Thaw all tmem",
+ },
+ { "tmem-set",
+ &main_tmem_set,
+ "Change tmem settings",
+ "[<Domain>|-a] [-w[=WEIGHT]|-c[=CAP]|-p[=COMPRESS]]",
+ " -a Operate on all tmem\n"
+ " -w WEIGHT Weight (int)\n"
+ " -c CAP Cap (int)\n"
+ " -p COMPRESS Compress (int)",
+ },
+ { "tmem-shared-auth",
+ &main_tmem_shared_auth,
+ "De/authenticate shared tmem pool",
+ "[<Domain>|-a] [-u[=UUID] [-A[=AUTH]",
+ " -a Authenticate for all tmem pools\n"
+ " -u UUID Specify uuid\n"
+ "
(abcdef01-2345-6789-1234-567890abcdef)\n"
+ " -A AUTH 0=auth,1=deauth",
+ },
};
int cmdtable_len = sizeof(cmd_table)/sizeof(struct cmd_spec);
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