536 static void snp_populate_cmd_buf_desc_list(int cmd, void *cmd_buf,  in snp_populate_cmd_buf_desc_list()  argument
541 		struct sev_data_pdh_cert_export *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
550 		struct sev_data_get_id *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
557 		struct sev_data_pek_csr *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
564 		struct sev_data_launch_update_data *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
572 		struct sev_data_launch_update_vmsa *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
580 		struct sev_data_launch_measure *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
587 		struct sev_data_launch_secret *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
595 		struct sev_data_dbg *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
603 		struct sev_data_dbg *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
611 		struct sev_data_attestation_report *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
618 		struct sev_data_send_start *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
625 		struct sev_data_send_update_data *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
634 		struct sev_data_send_update_vmsa *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
643 		struct sev_data_receive_update_data *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
651 		struct sev_data_receive_update_vmsa *data = cmd_buf;  in snp_populate_cmd_buf_desc_list()
725 static int snp_map_cmd_buf_desc_list(int cmd, void *cmd_buf, struct cmd_buf_desc *desc_list)  in snp_map_cmd_buf_desc_list()  argument
729 	snp_populate_cmd_buf_desc_list(cmd, cmd_buf, desc_list);  in snp_map_cmd_buf_desc_list()
796 static int snp_prep_cmd_buf(int cmd, void *cmd_buf, struct cmd_buf_desc *desc_list)  in snp_prep_cmd_buf()  argument
801 	if (snp_map_cmd_buf_desc_list(cmd, cmd_buf, desc_list))  in snp_prep_cmd_buf()
809 		if (rmp_mark_pages_firmware(__pa(cmd_buf), 1, true))  in snp_prep_cmd_buf()
816 static int snp_reclaim_cmd_buf(int cmd, void *cmd_buf)  in snp_reclaim_cmd_buf()  argument
826 		if (snp_reclaim_pages(__pa(cmd_buf), 1, true))  in snp_reclaim_cmd_buf()
840 	void *cmd_buf;  in __sev_do_cmd_locked()  local
870 			cmd_buf = sev->cmd_buf;  in __sev_do_cmd_locked()
873 			cmd_buf = sev->cmd_buf_backup;  in __sev_do_cmd_locked()
881 		memcpy(cmd_buf, data, buf_len);  in __sev_do_cmd_locked()
887 		ret = snp_prep_cmd_buf(cmd, cmd_buf, desc_list);  in __sev_do_cmd_locked()
895 		cmd_buf = sev->cmd_buf;  in __sev_do_cmd_locked()
899 	phys_lsb = data ? lower_32_bits(__psp_pa(cmd_buf)) : 0;  in __sev_do_cmd_locked()
900 	phys_msb = data ? upper_32_bits(__psp_pa(cmd_buf)) : 0;  in __sev_do_cmd_locked()
974 		ret_reclaim = snp_reclaim_cmd_buf(cmd, cmd_buf);  in __sev_do_cmd_locked()
982 		memcpy(data, cmd_buf, buf_len);  in __sev_do_cmd_locked()
2251 	sev->cmd_buf = (void *)devm_get_free_pages(dev, GFP_KERNEL, 1);  in sev_dev_init()
2252 	if (!sev->cmd_buf)  in sev_dev_init()
2255 	sev->cmd_buf_backup = (uint8_t *)sev->cmd_buf + PAGE_SIZE;  in sev_dev_init()
2284 	devm_free_pages(dev, (unsigned long)sev->cmd_buf);  in sev_dev_init()