diff options
author | Richard Gong <richard.gong@intel.com> | 2022-02-23 08:49:08 -0600 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-25 11:54:25 +0100 |
commit | 085a884434f3e3b08349a0ba0904f9f561739d57 (patch) | |
tree | 55884353ec7b716e571358d175b88c52a1c4f805 /drivers/firmware | |
parent | 7d658f5c4002c87a6f6cf2074dddc69b91ee4c22 (diff) | |
download | linux-085a884434f3e3b08349a0ba0904f9f561739d57.tar.bz2 |
firmware: stratix10-svc: extend SVC driver to get the firmware version
Extend Intel service layer driver to get the firmware version running at
FPGA device. Therefore FPGA manager driver, one of Intel service layer
driver's client, can decide whether to handle the newly added bitstream
authentication function based on the retrieved firmware version.
Link: https://lore.kernel.org/lkml/1617114785-22211-2-git-send-email-richard.gong@linux.intel.com
Acked-by: Moritz Fischr <mdf@kernel.org>
Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20220223144908.399522-2-dinguyen@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r-- | drivers/firmware/stratix10-svc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 29c0a616b317..4bd57a908efe 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -306,6 +306,7 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data, break; case COMMAND_RSU_RETRY: case COMMAND_RSU_MAX_RETRY: + case COMMAND_FIRMWARE_VERSION: cb_data->status = BIT(SVC_STATUS_OK); cb_data->kaddr1 = &res.a1; break; @@ -422,6 +423,11 @@ static int svc_normal_to_secure_thread(void *data) a1 = 0; a2 = 0; break; + case COMMAND_FIRMWARE_VERSION: + a0 = INTEL_SIP_SMC_FIRMWARE_VERSION; + a1 = 0; + a2 = 0; + break; default: pr_warn("it shouldn't happen\n"); break; @@ -491,7 +497,8 @@ static int svc_normal_to_secure_thread(void *data) */ if ((pdata->command == COMMAND_RSU_RETRY) || (pdata->command == COMMAND_RSU_MAX_RETRY) || - (pdata->command == COMMAND_RSU_NOTIFY)) { + (pdata->command == COMMAND_RSU_NOTIFY) || + (pdata->command == COMMAND_FIRMWARE_VERSION)) { cbdata->status = BIT(SVC_STATUS_NO_SUPPORT); cbdata->kaddr1 = NULL; |