Lines Matching refs:sev
85 struct sev_device *sev = psp_master->sev_data; in sev_version_greater_or_equal() local
87 if (sev->api_major > maj) in sev_version_greater_or_equal()
90 if (sev->api_major == maj && sev->api_minor >= min) in sev_version_greater_or_equal()
98 struct sev_device *sev = data; in sev_irq_handler() local
106 reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg); in sev_irq_handler()
108 sev->int_rcvd = 1; in sev_irq_handler()
109 wake_up(&sev->int_queue); in sev_irq_handler()
113 static int sev_wait_cmd_ioc(struct sev_device *sev, in sev_wait_cmd_ioc() argument
118 ret = wait_event_timeout(sev->int_queue, in sev_wait_cmd_ioc()
119 sev->int_rcvd, timeout * HZ); in sev_wait_cmd_ioc()
123 *reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg); in sev_wait_cmd_ioc()
205 struct sev_device *sev = psp_master->sev_data; in sev_read_init_ex_file() local
219 dev_info(sev->dev, in sev_read_init_ex_file()
224 dev_err(sev->dev, in sev_read_init_ex_file()
233 dev_info(sev->dev, in sev_read_init_ex_file()
238 dev_dbg(sev->dev, "SEV: read %ld bytes from NV file\n", nread); in sev_read_init_ex_file()
246 struct sev_device *sev = psp_master->sev_data; in sev_write_init_ex_file() local
260 dev_err(sev->dev, in sev_write_init_ex_file()
271 dev_err(sev->dev, in sev_write_init_ex_file()
277 dev_dbg(sev->dev, "SEV: write successful to NV file\n"); in sev_write_init_ex_file()
311 struct sev_device *sev; in __sev_do_cmd_locked() local
322 sev = psp->sev_data; in __sev_do_cmd_locked()
334 memcpy(sev->cmd_buf, data, buf_len); in __sev_do_cmd_locked()
337 phys_lsb = data ? lower_32_bits(__psp_pa(sev->cmd_buf)) : 0; in __sev_do_cmd_locked()
338 phys_msb = data ? upper_32_bits(__psp_pa(sev->cmd_buf)) : 0; in __sev_do_cmd_locked()
340 dev_dbg(sev->dev, "sev command id %#x buffer 0x%08x%08x timeout %us\n", in __sev_do_cmd_locked()
346 iowrite32(phys_lsb, sev->io_regs + sev->vdata->cmdbuff_addr_lo_reg); in __sev_do_cmd_locked()
347 iowrite32(phys_msb, sev->io_regs + sev->vdata->cmdbuff_addr_hi_reg); in __sev_do_cmd_locked()
349 sev->int_rcvd = 0; in __sev_do_cmd_locked()
352 iowrite32(reg, sev->io_regs + sev->vdata->cmdresp_reg); in __sev_do_cmd_locked()
355 ret = sev_wait_cmd_ioc(sev, ®, psp_timeout); in __sev_do_cmd_locked()
360 dev_err(sev->dev, "sev command %#x timed out, disabling PSP\n", cmd); in __sev_do_cmd_locked()
372 dev_dbg(sev->dev, "sev command %#x failed (%#010lx)\n", in __sev_do_cmd_locked()
387 memcpy(data, sev->cmd_buf, buf_len); in __sev_do_cmd_locked()
457 struct sev_device *sev; in __sev_platform_init_locked() local
462 sev = psp->sev_data; in __sev_platform_init_locked()
464 if (sev->state == SEV_STATE_INIT) in __sev_platform_init_locked()
482 dev_err(sev->dev, in __sev_platform_init_locked()
493 sev->state = SEV_STATE_INIT; in __sev_platform_init_locked()
501 dev_dbg(sev->dev, "SEV firmware initialized\n"); in __sev_platform_init_locked()
503 dev_info(sev->dev, "SEV API:%d.%d build:%d\n", sev->api_major, in __sev_platform_init_locked()
504 sev->api_minor, sev->build); in __sev_platform_init_locked()
524 struct sev_device *sev; in __sev_platform_shutdown_locked() local
530 sev = psp->sev_data; in __sev_platform_shutdown_locked()
532 if (sev->state == SEV_STATE_UNINIT) in __sev_platform_shutdown_locked()
539 sev->state = SEV_STATE_UNINIT; in __sev_platform_shutdown_locked()
540 dev_dbg(sev->dev, "SEV firmware shutdown\n"); in __sev_platform_shutdown_locked()
620 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pek_pdh_gen() local
626 if (sev->state == SEV_STATE_UNINIT) { in sev_ioctl_do_pek_pdh_gen()
637 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pek_csr() local
669 if (sev->state == SEV_STATE_UNINIT) { in sev_ioctl_do_pek_csr()
710 struct sev_device *sev = psp_master->sev_data; in sev_get_api_version() local
716 dev_err(sev->dev, in sev_get_api_version()
721 sev->api_major = status.api_major; in sev_get_api_version()
722 sev->api_minor = status.api_minor; in sev_get_api_version()
723 sev->build = status.build; in sev_get_api_version()
724 sev->state = status.state; in sev_get_api_version()
833 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pek_import() local
865 if (sev->state != SEV_STATE_INIT) { in sev_ioctl_do_pek_import()
984 struct sev_device *sev = psp_master->sev_data; in sev_ioctl_do_pdh_export() local
993 if (sev->state != SEV_STATE_INIT) { in sev_ioctl_do_pdh_export()
1179 static int sev_misc_init(struct sev_device *sev) in sev_misc_init() argument
1181 struct device *dev = sev->dev; in sev_misc_init()
1212 init_waitqueue_head(&sev->int_queue); in sev_misc_init()
1213 sev->misc = misc_dev; in sev_misc_init()
1222 struct sev_device *sev; in sev_dev_init() local
1230 sev = devm_kzalloc(dev, sizeof(*sev), GFP_KERNEL); in sev_dev_init()
1231 if (!sev) in sev_dev_init()
1234 sev->cmd_buf = (void *)devm_get_free_pages(dev, GFP_KERNEL, 0); in sev_dev_init()
1235 if (!sev->cmd_buf) in sev_dev_init()
1238 psp->sev_data = sev; in sev_dev_init()
1240 sev->dev = dev; in sev_dev_init()
1241 sev->psp = psp; in sev_dev_init()
1243 sev->io_regs = psp->io_regs; in sev_dev_init()
1245 sev->vdata = (struct sev_vdata *)psp->vdata->sev; in sev_dev_init()
1246 if (!sev->vdata) { in sev_dev_init()
1252 psp_set_sev_irq_handler(psp, sev_irq_handler, sev); in sev_dev_init()
1254 ret = sev_misc_init(sev); in sev_dev_init()
1265 devm_free_pages(dev, (unsigned long)sev->cmd_buf); in sev_dev_init()
1267 devm_kfree(dev, sev); in sev_dev_init()
1276 static void sev_firmware_shutdown(struct sev_device *sev) in sev_firmware_shutdown() argument
1298 struct sev_device *sev = psp->sev_data; in sev_dev_destroy() local
1300 if (!sev) in sev_dev_destroy()
1303 sev_firmware_shutdown(sev); in sev_dev_destroy()
1305 if (sev->misc) in sev_dev_destroy()
1323 struct sev_device *sev = psp_master->sev_data; in sev_pci_init() local
1326 if (!sev) in sev_pci_init()
1334 if (sev_update_firmware(sev->dev) == 0) in sev_pci_init()
1343 dev_err(sev->dev, in sev_pci_init()
1355 dev_warn(sev->dev, in sev_pci_init()
1364 dev_err(sev->dev, "SEV: failed to INIT error %#x, rc %d\n", in sev_pci_init()
1375 struct sev_device *sev = psp_master->sev_data; in sev_pci_exit() local
1377 if (!sev) in sev_pci_exit()
1380 sev_firmware_shutdown(sev); in sev_pci_exit()