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Fri, 27 Sep 2024 14:50:50 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , Jason Wang , Nicholas Piggin , David Gibson , qemu-ppc@nongnu.org, Alexey Kardashevskiy , Harsh Prateek Bora , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 1/4] hw/ppc/spapr_nvdimm: Simplify LD/ST API uses Date: Fri, 27 Sep 2024 23:50:37 +0200 Message-ID: <20240927215040.20552-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240927215040.20552-1-philmd@linaro.org> References: <20240927215040.20552-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42b; envelope-from=philmd@linaro.org; helo=mail-wr1-x42b.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1727473944718116600 ldn/stn methods handle the access size, no need for the switch case. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- hw/ppc/spapr_nvdimm.c | 47 ++++--------------------------------------- 1 file changed, 4 insertions(+), 43 deletions(-) diff --git a/hw/ppc/spapr_nvdimm.c b/hw/ppc/spapr_nvdimm.c index 7d2dfe5e3d..5af0b13370 100644 --- a/hw/ppc/spapr_nvdimm.c +++ b/hw/ppc/spapr_nvdimm.c @@ -250,7 +250,6 @@ static target_ulong h_scm_read_metadata(PowerPCCPU *cpu, SpaprDrc *drc =3D spapr_drc_by_index(drc_index); NVDIMMDevice *nvdimm; NVDIMMClass *ddc; - uint64_t data =3D 0; uint8_t buf[8] =3D { 0 }; =20 if (!drc || !drc->dev || @@ -272,24 +271,7 @@ static target_ulong h_scm_read_metadata(PowerPCCPU *cp= u, ddc =3D NVDIMM_GET_CLASS(nvdimm); ddc->read_label_data(nvdimm, buf, len, offset); =20 - switch (len) { - case 1: - data =3D ldub_p(buf); - break; - case 2: - data =3D lduw_be_p(buf); - break; - case 4: - data =3D ldl_be_p(buf); - break; - case 8: - data =3D ldq_be_p(buf); - break; - default: - g_assert_not_reached(); - } - - args[0] =3D data; + args[0] =3D ldn_be_p(buf, len); =20 return H_SUCCESS; } @@ -325,31 +307,10 @@ static target_ulong h_scm_write_metadata(PowerPCCPU *= cpu, return H_P2; } =20 - switch (len) { - case 1: - if (data & 0xffffffffffffff00) { - return H_P2; - } - stb_p(buf, data); - break; - case 2: - if (data & 0xffffffffffff0000) { - return H_P2; - } - stw_be_p(buf, data); - break; - case 4: - if (data & 0xffffffff00000000) { - return H_P2; - } - stl_be_p(buf, data); - break; - case 8: - stq_be_p(buf, data); - break; - default: - g_assert_not_reached(); + if (len < 8 && extract64(data, 8 * len, 64 - 8 * len)) { + return H_P2; } + stn_be_p(buf, data, len); =20 ddc =3D NVDIMM_GET_CLASS(nvdimm); ddc->write_label_data(nvdimm, buf, len, offset); --=20 2.45.2 From nobody Sun Nov 24 00:39:59 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32d; envelope-from=philmd@linaro.org; helo=mail-wm1-x32d.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1727473881585116600 Directly call ldn_be_p once instead of ldl_be_p / ldq_be_p. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- hw/ppc/spapr_vof.c | 27 +++++++++------------------ 1 file changed, 9 insertions(+), 18 deletions(-) diff --git a/hw/ppc/spapr_vof.c b/hw/ppc/spapr_vof.c index c02eaacfed..d238a44d88 100644 --- a/hw/ppc/spapr_vof.c +++ b/hw/ppc/spapr_vof.c @@ -136,26 +136,17 @@ bool spapr_vof_setprop(MachineState *ms, const char *= path, const char *propname, vof->bootargs =3D g_strndup(val, vallen); return true; } - if (strcmp(propname, "linux,initrd-start") =3D=3D 0) { - if (vallen =3D=3D sizeof(uint32_t)) { - spapr->initrd_base =3D ldl_be_p(val); - return true; + switch (vallen) { + case 4: + case 8: + if (strcmp(propname, "linux,initrd-start") =3D=3D 0) { + spapr->initrd_base =3D ldn_be_p(val, vallen); } - if (vallen =3D=3D sizeof(uint64_t)) { - spapr->initrd_base =3D ldq_be_p(val); - return true; - } - return false; - } - if (strcmp(propname, "linux,initrd-end") =3D=3D 0) { - if (vallen =3D=3D sizeof(uint32_t)) { - spapr->initrd_size =3D ldl_be_p(val) - spapr->initrd_base; - return true; - } - if (vallen =3D=3D sizeof(uint64_t)) { - spapr->initrd_size =3D ldq_be_p(val) - spapr->initrd_base; - return true; + if (strcmp(propname, "linux,initrd-end") =3D=3D 0) { + spapr->initrd_size =3D ldn_be_p(val, vallen); } + return true; + default: return false; } } --=20 2.45.2 From nobody Sun Nov 24 00:39:59 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1727473959; cv=none; d=zohomail.com; s=zohoarc; b=XBwvkLM3chaJaApi6NCXlVq5hY/0lgysl1xNnu4GwD9P0RFffEDpfCkzxhuJMUzWwkqRnolVrTtLSz5hMzH++vzgFcEPlnFYfkWoBNGM2z0YxhOWLkBp5U//2yF7hUiBd5C+vwpnrfLtpCbe1SJW2tXb/I0Dsj3RYztCbfN6syk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727473959; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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Fri, 27 Sep 2024 14:51:05 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , Jason Wang , Nicholas Piggin , David Gibson , qemu-ppc@nongnu.org, Alexey Kardashevskiy , Harsh Prateek Bora , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 3/4] hw/ppc/vof: Simplify LD/ST API uses Date: Fri, 27 Sep 2024 23:50:39 +0200 Message-ID: <20240927215040.20552-4-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240927215040.20552-1-philmd@linaro.org> References: <20240927215040.20552-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=philmd@linaro.org; helo=mail-wr1-x431.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1727473960453116600 Instead of be32_to_cpu (equivalent of ldl_be_p) and ldq_be_p, use ldn_be_p(). Similarly instead of cpu_to_be32 (equiv. stl_be_p) and cpu_to_be64 (equiv. stq_be_p), use stn_be_p(). Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/ppc/vof.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) diff --git a/hw/ppc/vof.c b/hw/ppc/vof.c index b5b6514d79..e2549ab786 100644 --- a/hw/ppc/vof.c +++ b/hw/ppc/vof.c @@ -628,6 +628,7 @@ static void vof_dt_memory_available(void *fdt, GArray *= claimed, uint64_t base) const uint8_t *mem0_reg; g_autofree uint8_t *avail =3D NULL; uint8_t *availcur; + size_t elsz; =20 if (!fdt || !claimed) { return; @@ -645,11 +646,8 @@ static void vof_dt_memory_available(void *fdt, GArray = *claimed, uint64_t base) =20 mem0_reg =3D fdt_getprop(fdt, offset, "reg", &proplen); g_assert(mem0_reg && proplen =3D=3D sizeof(uint32_t) * (ac + sc)); - if (sc =3D=3D 2) { - mem0_end =3D ldq_be_p(mem0_reg + sizeof(uint32_t) * ac); - } else { - mem0_end =3D be32_to_cpu(*(uint32_t *)(mem0_reg + sizeof(uint32_t)= * ac)); - } + elsz =3D sc * sizeof(uint32_t); + mem0_end =3D ldn_be_p(mem0_reg + sizeof(uint32_t) * ac, elsz); =20 g_array_sort(claimed, of_claimed_compare_func); vof_claimed_dump(claimed); @@ -674,18 +672,12 @@ static void vof_dt_memory_available(void *fdt, GArray= *claimed, uint64_t base) size =3D mem0_end - start; } =20 - if (ac =3D=3D 2) { - *(uint64_t *) availcur =3D cpu_to_be64(start); - } else { - *(uint32_t *) availcur =3D cpu_to_be32(start); - } - availcur +=3D sizeof(uint32_t) * ac; - if (sc =3D=3D 2) { - *(uint64_t *) availcur =3D cpu_to_be64(size); - } else { - *(uint32_t *) availcur =3D cpu_to_be32(size); - } - availcur +=3D sizeof(uint32_t) * sc; + elsz =3D ac * sizeof(uint32_t); + stn_be_p(&availcur, elsz, start); + availcur +=3D elsz; + elsz =3D sc * sizeof(uint32_t); + stn_be_p(&availcur, elsz, size); + availcur +=3D elsz; =20 if (size) { trace_vof_avail(c.start + c.size, c.start + c.size + size, siz= e); --=20 2.45.2 From nobody Sun Nov 24 00:39:59 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::129; envelope-from=philmd@linaro.org; helo=mail-lf1-x129.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1727473944710116600 Directly call ldn_be_p once instead of ldl_be_p / ldq_be_p. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- net/l2tpv3.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/net/l2tpv3.c b/net/l2tpv3.c index b5547cb917..7a0d5dcfe9 100644 --- a/net/l2tpv3.c +++ b/net/l2tpv3.c @@ -318,11 +318,7 @@ static int l2tpv3_verify_header(NetL2TPV3State *s, uin= t8_t *buf) */ =20 if (s->cookie) { - if (s->cookie_is_64) { - cookie =3D ldq_be_p(buf + s->cookie_offset); - } else { - cookie =3D ldl_be_p(buf + s->cookie_offset) & 0xffffffffULL; - } + cookie =3D ldn_be_p(buf + s->cookie_offset, s->cookie_is_64 ? 8 : = 4); if (cookie !=3D s->rx_cookie) { if (!s->header_mismatch) { error_report("unknown cookie id"); --=20 2.45.2