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crypto: qat - Constify struct pm_status_row
'struct pm_status_row' are not modified in this driver. Constifying this structure moves some data to a read-only section, so increases overall security. Update the prototype of some functions accordingly. On a x86_64, with allmodconfig, as an example: Before: ====== text data bss dec hex filename 4400 1059 0 5459 1553 drivers/crypto/intel/qat/qat_common/adf_gen4_pm_debugfs.o After: ===== text data bss dec hex filename 5216 243 0 5459 1553 drivers/crypto/intel/qat/qat_common/adf_gen4_pm_debugfs.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -42,13 +42,13 @@ struct pm_status_row {
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const char *key;
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const char *key;
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};
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};
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static struct pm_status_row pm_fuse_rows[] = {
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static const struct pm_status_row pm_fuse_rows[] = {
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PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM),
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PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM),
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PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM_IDLE),
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PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM_IDLE),
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PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_DEEP_PM_IDLE),
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PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_DEEP_PM_IDLE),
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};
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};
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static struct pm_status_row pm_info_rows[] = {
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static const struct pm_status_row pm_info_rows[] = {
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PM_INFO_REGSET_ENTRY(pm.status, CPM_PM_STATE),
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PM_INFO_REGSET_ENTRY(pm.status, CPM_PM_STATE),
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PM_INFO_REGSET_ENTRY(pm.status, PENDING_WP),
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PM_INFO_REGSET_ENTRY(pm.status, PENDING_WP),
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PM_INFO_REGSET_ENTRY(pm.status, CURRENT_WP),
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PM_INFO_REGSET_ENTRY(pm.status, CURRENT_WP),
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@ -59,7 +59,7 @@ static struct pm_status_row pm_info_rows[] = {
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PM_INFO_REGSET_ENTRY(pm.main, THR_VALUE),
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PM_INFO_REGSET_ENTRY(pm.main, THR_VALUE),
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};
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};
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static struct pm_status_row pm_ssm_rows[] = {
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static const struct pm_status_row pm_ssm_rows[] = {
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PM_INFO_REGSET_ENTRY(ssm.pm_enable, SSM_PM_ENABLE),
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PM_INFO_REGSET_ENTRY(ssm.pm_enable, SSM_PM_ENABLE),
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PM_INFO_REGSET_ENTRY32(ssm.active_constraint, ACTIVE_CONSTRAINT),
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PM_INFO_REGSET_ENTRY32(ssm.active_constraint, ACTIVE_CONSTRAINT),
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PM_INFO_REGSET_ENTRY(ssm.pm_domain_status, DOMAIN_POWER_GATED),
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PM_INFO_REGSET_ENTRY(ssm.pm_domain_status, DOMAIN_POWER_GATED),
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@ -83,7 +83,7 @@ static struct pm_status_row pm_ssm_rows[] = {
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PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, WCP_MANAGED_COUNT),
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PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, WCP_MANAGED_COUNT),
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};
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};
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static struct pm_status_row pm_log_rows[] = {
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static const struct pm_status_row pm_log_rows[] = {
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PM_INFO_REGSET_ENTRY32(event_counters.host_msg, HOST_MSG_EVENT_COUNT),
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PM_INFO_REGSET_ENTRY32(event_counters.host_msg, HOST_MSG_EVENT_COUNT),
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PM_INFO_REGSET_ENTRY32(event_counters.sys_pm, SYS_PM_EVENT_COUNT),
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PM_INFO_REGSET_ENTRY32(event_counters.sys_pm, SYS_PM_EVENT_COUNT),
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PM_INFO_REGSET_ENTRY32(event_counters.local_ssm, SSM_EVENT_COUNT),
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PM_INFO_REGSET_ENTRY32(event_counters.local_ssm, SSM_EVENT_COUNT),
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@ -91,7 +91,7 @@ static struct pm_status_row pm_log_rows[] = {
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PM_INFO_REGSET_ENTRY32(event_counters.unknown, UNKNOWN_EVENT_COUNT),
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PM_INFO_REGSET_ENTRY32(event_counters.unknown, UNKNOWN_EVENT_COUNT),
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};
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};
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static struct pm_status_row pm_event_rows[ICP_QAT_NUMBER_OF_PM_EVENTS] = {
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static const struct pm_status_row pm_event_rows[ICP_QAT_NUMBER_OF_PM_EVENTS] = {
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PM_INFO_REGSET_ENTRY32(event_log[0], EVENT0),
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PM_INFO_REGSET_ENTRY32(event_log[0], EVENT0),
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PM_INFO_REGSET_ENTRY32(event_log[1], EVENT1),
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PM_INFO_REGSET_ENTRY32(event_log[1], EVENT1),
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PM_INFO_REGSET_ENTRY32(event_log[2], EVENT2),
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PM_INFO_REGSET_ENTRY32(event_log[2], EVENT2),
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@ -102,14 +102,14 @@ static struct pm_status_row pm_event_rows[ICP_QAT_NUMBER_OF_PM_EVENTS] = {
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PM_INFO_REGSET_ENTRY32(event_log[7], EVENT7),
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PM_INFO_REGSET_ENTRY32(event_log[7], EVENT7),
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};
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};
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static struct pm_status_row pm_csrs_rows[] = {
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static const struct pm_status_row pm_csrs_rows[] = {
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PM_INFO_REGSET_ENTRY32(pm.fw_init, CPM_PM_FW_INIT),
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PM_INFO_REGSET_ENTRY32(pm.fw_init, CPM_PM_FW_INIT),
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PM_INFO_REGSET_ENTRY32(pm.status, CPM_PM_STATUS),
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PM_INFO_REGSET_ENTRY32(pm.status, CPM_PM_STATUS),
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PM_INFO_REGSET_ENTRY32(pm.main, CPM_PM_MASTER_FW),
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PM_INFO_REGSET_ENTRY32(pm.main, CPM_PM_MASTER_FW),
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PM_INFO_REGSET_ENTRY32(pm.pwrreq, CPM_PM_PWRREQ),
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PM_INFO_REGSET_ENTRY32(pm.pwrreq, CPM_PM_PWRREQ),
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};
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};
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static int pm_scnprint_table(char *buff, struct pm_status_row *table,
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static int pm_scnprint_table(char *buff, const struct pm_status_row *table,
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u32 *pm_info_regs, size_t buff_size, int table_len,
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u32 *pm_info_regs, size_t buff_size, int table_len,
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bool lowercase)
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bool lowercase)
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{
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{
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@ -131,7 +131,7 @@ static int pm_scnprint_table(char *buff, struct pm_status_row *table,
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return wr;
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return wr;
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}
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}
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static int pm_scnprint_table_upper_keys(char *buff, struct pm_status_row *table,
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static int pm_scnprint_table_upper_keys(char *buff, const struct pm_status_row *table,
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u32 *pm_info_regs, size_t buff_size,
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u32 *pm_info_regs, size_t buff_size,
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int table_len)
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int table_len)
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{
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{
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@ -139,7 +139,7 @@ static int pm_scnprint_table_upper_keys(char *buff, struct pm_status_row *table,
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table_len, false);
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table_len, false);
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}
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}
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static int pm_scnprint_table_lower_keys(char *buff, struct pm_status_row *table,
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static int pm_scnprint_table_lower_keys(char *buff, const struct pm_status_row *table,
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u32 *pm_info_regs, size_t buff_size,
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u32 *pm_info_regs, size_t buff_size,
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int table_len)
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int table_len)
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{
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{
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