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([2a01:e0a:e17:9700:16d2:7456:6634:9626]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43d23cddb2asm96014505e9.39.2025.03.17.10.08.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Mar 2025 10:08:10 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: Paul Walmsley , Palmer Dabbelt , Anup Patel , Atish Patra , Shuah Khan , Jonathan Corbet , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Samuel Holland , Andrew Jones Subject: [PATCH v4 04/18] riscv: sbi: add SBI FWFT extension calls Date: Mon, 17 Mar 2025 18:06:10 +0100 Message-ID: <20250317170625.1142870-5-cleger@rivosinc.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250317170625.1142870-1-cleger@rivosinc.com> References: <20250317170625.1142870-1-cleger@rivosinc.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250317_100812_796398_CE2647CB X-CRM114-Status: GOOD ( 13.50 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org QWRkIEZXRlQgZXh0ZW5zaW9uIGNhbGxzLiBUaGlzIHdpbGwgYmUgcmF0aWZpZWQgaW4gU0JJIFYz LjAgaGVuY2UsIGl0IGlzCnByb3ZpZGVkIGFzIGEgc2VwYXJhdGUgY29tbWl0IHRoYXQgY2FuIGJl IGxlZnQgb3V0IGlmIG5lZWRlZC4KClNpZ25lZC1vZmYtYnk6IENsw6ltZW50IEzDqWdlciA8Y2xl Z2VyQHJpdm9zaW5jLmNvbT4KLS0tCiBhcmNoL3Jpc2N2L2tlcm5lbC9zYmkuYyB8IDMwICsrKysr KysrKysrKysrKysrKysrKysrKysrKystLQogMSBmaWxlIGNoYW5nZWQsIDI4IGluc2VydGlvbnMo KyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvYXJjaC9yaXNjdi9rZXJuZWwvc2JpLmMg Yi9hcmNoL3Jpc2N2L2tlcm5lbC9zYmkuYwppbmRleCBkNDFhNTY0MmJlMjQuLjU0ZDljZWI3Yjcy MyAxMDA2NDQKLS0tIGEvYXJjaC9yaXNjdi9rZXJuZWwvc2JpLmMKKysrIGIvYXJjaC9yaXNjdi9r ZXJuZWwvc2JpLmMKQEAgLTI5OSw2ICsyOTksOCBAQCBzdGF0aWMgaW50IF9fc2JpX3JmZW5jZV92 MDIoaW50IGZpZCwgY29uc3Qgc3RydWN0IGNwdW1hc2sgKmNwdV9tYXNrLAogCXJldHVybiAwOwog fQogCitzdGF0aWMgYm9vbCBzYmlfZndmdF9zdXBwb3J0ZWQ7CisKIC8qKgogICogc2JpX2Z3ZnRf Z2V0KCkgLSBHZXQgYSBmZWF0dXJlIGZvciB0aGUgbG9jYWwgaGFydAogICogQGZlYXR1cmU6IFRo ZSBmZWF0dXJlIElEIHRvIGJlIHNldApAQCAtMzA4LDcgKzMxMCwxNSBAQCBzdGF0aWMgaW50IF9f c2JpX3JmZW5jZV92MDIoaW50IGZpZCwgY29uc3Qgc3RydWN0IGNwdW1hc2sgKmNwdV9tYXNrLAog ICovCiBpbnQgc2JpX2Z3ZnRfZ2V0KHUzMiBmZWF0dXJlLCB1bnNpZ25lZCBsb25nICp2YWx1ZSkK IHsKLQlyZXR1cm4gLUVPUE5PVFNVUFA7CisJc3RydWN0IHNiaXJldCByZXQ7CisKKwlpZiAoIXNi aV9md2Z0X3N1cHBvcnRlZCkKKwkJcmV0dXJuIC1FT1BOT1RTVVBQOworCisJcmV0ID0gc2JpX2Vj YWxsKFNCSV9FWFRfRldGVCwgU0JJX0VYVF9GV0ZUX0dFVCwKKwkJCWZlYXR1cmUsIDAsIDAsIDAs IDAsIDApOworCisJcmV0dXJuIHNiaV9lcnJfbWFwX2xpbnV4X2Vycm5vKHJldC5lcnJvcik7CiB9 CiAKIC8qKgpAQCAtMzIxLDcgKzMzMSwxNSBAQCBpbnQgc2JpX2Z3ZnRfZ2V0KHUzMiBmZWF0dXJl LCB1bnNpZ25lZCBsb25nICp2YWx1ZSkKICAqLwogaW50IHNiaV9md2Z0X3NldCh1MzIgZmVhdHVy ZSwgdW5zaWduZWQgbG9uZyB2YWx1ZSwgdW5zaWduZWQgbG9uZyBmbGFncykKIHsKLQlyZXR1cm4g LUVPUE5PVFNVUFA7CisJc3RydWN0IHNiaXJldCByZXQ7CisKKwlpZiAoIXNiaV9md2Z0X3N1cHBv cnRlZCkKKwkJcmV0dXJuIC1FT1BOT1RTVVBQOworCisJcmV0ID0gc2JpX2VjYWxsKFNCSV9FWFRf RldGVCwgU0JJX0VYVF9GV0ZUX1NFVCwKKwkJCWZlYXR1cmUsIHZhbHVlLCBmbGFncywgMCwgMCwg MCk7CisKKwlyZXR1cm4gc2JpX2Vycl9tYXBfbGludXhfZXJybm8ocmV0LmVycm9yKTsKIH0KIAog c3RydWN0IGZ3ZnRfc2V0X3JlcSB7CkBAIC0zNjAsNiArMzc4LDkgQEAgaW50IHNiaV9md2Z0X2xv Y2FsX3NldF9jcHVtYXNrKGNvbnN0IGNwdW1hc2tfdCAqbWFzaywgdTMyIGZlYXR1cmUsCiAJCS5l cnJvciA9IEFUT01JQ19JTklUKDApLAogCX07CiAKKwlpZiAoIXNiaV9md2Z0X3N1cHBvcnRlZCkK KwkJcmV0dXJuIC1FT1BOT1RTVVBQOworCiAJaWYgKGZlYXR1cmUgJiBTQklfRldGVF9HTE9CQUxf RkVBVFVSRV9CSVQpCiAJCXJldHVybiAtRUlOVkFMOwogCkBAIC02OTEsNiArNzEyLDExIEBAIHZv aWQgX19pbml0IHNiaV9pbml0KHZvaWQpCiAJCQlwcl9pbmZvKCJTQkkgREJDTiBleHRlbnNpb24g ZGV0ZWN0ZWRcbiIpOwogCQkJc2JpX2RlYnVnX2NvbnNvbGVfYXZhaWxhYmxlID0gdHJ1ZTsKIAkJ fQorCQlpZiAoKHNiaV9zcGVjX3ZlcnNpb24gPj0gc2JpX21rX3ZlcnNpb24oMywgMCkpICYmCisJ CSAgICAoc2JpX3Byb2JlX2V4dGVuc2lvbihTQklfRVhUX0ZXRlQpID4gMCkpIHsKKwkJCXByX2lu Zm8oIlNCSSBGV0ZUIGV4dGVuc2lvbiBkZXRlY3RlZFxuIik7CisJCQlzYmlfZndmdF9zdXBwb3J0 ZWQgPSB0cnVlOworCQl9CiAJfSBlbHNlIHsKIAkJX19zYmlfc2V0X3RpbWVyID0gX19zYmlfc2V0 X3RpbWVyX3YwMTsKIAkJX19zYmlfc2VuZF9pcGkJPSBfX3NiaV9zZW5kX2lwaV92MDE7Ci0tIAoy LjQ3LjIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwps aW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKbGludXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg==