Lines Matching refs:sev
63 struct sev_device *sev = psp_master->sev_data; in sev_version_greater_or_equal() local
65 if (sev->api_major > maj) in sev_version_greater_or_equal()
68 if (sev->api_major == maj && sev->api_minor >= min) in sev_version_greater_or_equal()
76 struct sev_device *sev = data; in sev_irq_handler() local
84 reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg); in sev_irq_handler()
86 sev->int_rcvd = 1; in sev_irq_handler()
87 wake_up(&sev->int_queue); in sev_irq_handler()
91 static int sev_wait_cmd_ioc(struct sev_device *sev, in sev_wait_cmd_ioc() argument
96 ret = wait_event_timeout(sev->int_queue, in sev_wait_cmd_ioc()
97 sev->int_rcvd, timeout * HZ); in sev_wait_cmd_ioc()
101 *reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg); in sev_wait_cmd_ioc()
156 struct sev_device *sev; in __sev_do_cmd_locked() local
167 sev = psp->sev_data; in __sev_do_cmd_locked()
179 memcpy(sev->cmd_buf, data, buf_len); in __sev_do_cmd_locked()
182 phys_lsb = data ? lower_32_bits(__psp_pa(sev->cmd_buf)) : 0; in __sev_do_cmd_locked()
183 phys_msb = data ? upper_32_bits(__psp_pa(sev->cmd_buf)) : 0; in __sev_do_cmd_locked()
185 dev_dbg(sev->dev, "sev command id %#x buffer 0x%08x%08x timeout %us\n", in __sev_do_cmd_locked()
191 iowrite32(phys_lsb, sev->io_regs + sev->vdata->cmdbuff_addr_lo_reg); in __sev_do_cmd_locked()
192 iowrite32(phys_msb, sev->io_regs + sev->vdata->cmdbuff_addr_hi_reg); in __sev_do_cmd_locked()
194 sev->int_rcvd = 0; in __sev_do_cmd_locked()
199 iowrite32(reg, sev->io_regs + sev->vdata->cmdresp_reg); in __sev_do_cmd_locked()
202 ret = sev_wait_cmd_ioc(sev, ®, psp_timeout); in __sev_do_cmd_locked()
207 dev_err(sev->dev, "sev command %#x timed out, disabling PSP\n", cmd); in __sev_do_cmd_locked()
219 dev_dbg(sev->dev, "sev command %#x failed (%#010x)\n", in __sev_do_cmd_locked()
232 memcpy(data, sev->cmd_buf, buf_len); in __sev_do_cmd_locked()
251 struct sev_device *sev; in __sev_platform_init_locked() local
257 sev = psp->sev_data; in __sev_platform_init_locked()
259 if (sev->state == SEV_STATE_INIT) in __sev_platform_init_locked()
271 sev->init_cmd_buf.flags |= SEV_INIT_FLAGS_SEV_ES; in __sev_platform_init_locked()
272 sev->init_cmd_buf.tmr_address = tmr_pa; in __sev_platform_init_locked()
273 sev->init_cmd_buf.tmr_len = SEV_ES_TMR_SIZE; in __sev_platform_init_locked()
276 rc = __sev_do_cmd_locked(SEV_CMD_INIT, &sev->init_cmd_buf, error); in __sev_platform_init_locked()
280 sev->state = SEV_STATE_INIT; in __sev_platform_init_locked()
288 dev_dbg(sev->dev, "SEV firmware initialized\n"); in __sev_platform_init_locked()
307 struct sev_device *sev = psp_master->sev_data; in __sev_platform_shutdown_locked() local
310 if (!sev || sev->state == SEV_STATE_UNINIT) in __sev_platform_shutdown_locked()
317 sev->state = SEV_STATE_UNINIT; in __sev_platform_shutdown_locked()
318 dev_dbg(sev->dev, "SEV firmware shutdown\n"); in __sev_platform_shutdown_locked()
398 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pek_pdh_gen() local
404 if (sev->state == SEV_STATE_UNINIT) { in sev_ioctl_do_pek_pdh_gen()
415 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pek_csr() local
447 if (sev->state == SEV_STATE_UNINIT) { in sev_ioctl_do_pek_csr()
488 struct sev_device *sev = psp_master->sev_data; in sev_get_api_version() local
494 dev_err(sev->dev, in sev_get_api_version()
499 sev->api_major = status.api_major; in sev_get_api_version()
500 sev->api_minor = status.api_minor; in sev_get_api_version()
501 sev->build = status.build; in sev_get_api_version()
502 sev->state = status.state; in sev_get_api_version()
598 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pek_import() local
630 if (sev->state != SEV_STATE_INIT) { in sev_ioctl_do_pek_import()
749 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pdh_export() local
758 if (sev->state != SEV_STATE_INIT) { in sev_ioctl_do_pdh_export()
944 static int sev_misc_init(struct sev_device *sev) in sev_misc_init() argument
946 struct device *dev = sev->dev; in sev_misc_init()
977 init_waitqueue_head(&sev->int_queue); in sev_misc_init()
978 sev->misc = misc_dev; in sev_misc_init()
987 struct sev_device *sev; in sev_dev_init() local
990 sev = devm_kzalloc(dev, sizeof(*sev), GFP_KERNEL); in sev_dev_init()
991 if (!sev) in sev_dev_init()
994 sev->cmd_buf = (void *)devm_get_free_pages(dev, GFP_KERNEL, 0); in sev_dev_init()
995 if (!sev->cmd_buf) in sev_dev_init()
998 psp->sev_data = sev; in sev_dev_init()
1000 sev->dev = dev; in sev_dev_init()
1001 sev->psp = psp; in sev_dev_init()
1003 sev->io_regs = psp->io_regs; in sev_dev_init()
1005 sev->vdata = (struct sev_vdata *)psp->vdata->sev; in sev_dev_init()
1006 if (!sev->vdata) { in sev_dev_init()
1012 psp_set_sev_irq_handler(psp, sev_irq_handler, sev); in sev_dev_init()
1014 ret = sev_misc_init(sev); in sev_dev_init()
1025 devm_free_pages(dev, (unsigned long)sev->cmd_buf); in sev_dev_init()
1027 devm_kfree(dev, sev); in sev_dev_init()
1036 static void sev_firmware_shutdown(struct sev_device *sev) in sev_firmware_shutdown() argument
1052 struct sev_device *sev = psp->sev_data; in sev_dev_destroy() local
1054 if (!sev) in sev_dev_destroy()
1057 sev_firmware_shutdown(sev); in sev_dev_destroy()
1059 if (sev->misc) in sev_dev_destroy()
1077 struct sev_device *sev = psp_master->sev_data; in sev_pci_init() local
1080 if (!sev) in sev_pci_init()
1089 sev_update_firmware(sev->dev) == 0) in sev_pci_init()
1098 dev_warn(sev->dev, in sev_pci_init()
1111 dev_dbg(sev->dev, "SEV: retrying INIT command"); in sev_pci_init()
1116 dev_err(sev->dev, "SEV: failed to INIT error %#x\n", error); in sev_pci_init()
1120 dev_info(sev->dev, "SEV API:%d.%d build:%d\n", sev->api_major, in sev_pci_init()
1121 sev->api_minor, sev->build); in sev_pci_init()
1131 struct sev_device *sev = psp_master->sev_data; in sev_pci_exit() local
1133 if (!sev) in sev_pci_exit()
1136 sev_firmware_shutdown(sev); in sev_pci_exit()