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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1748246740; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=u7+6f7dyvEmP+3WDhn4ylFPfKNj5QgABGkT3bv7W0G0=; b=ej5VFp+mNjKZ19jxh2MSWJqPwd2dQmKl6xaMXwDehYry7pP2SY5YLfzIBW6Gr8aV7ZpQFJ Gd/mgFZ7U4PaGWaQMSaOUujIuZ3SIQ/k/xJ95yolLLxzd0msuOFxTJoRUFlBX7ngZzywNL z8o2jcRzfRXJju9sC/7t6k4siJsNwHQ= X-MC-Unique: hjswua4oO9aVRBbUiDX3hw-1 X-Mimecast-MFC-AGG-ID: hjswua4oO9aVRBbUiDX3hw_1748246735 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jamin Lin , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 04/39] hw/misc/aspeed_hace: Improve readability and consistency in variable naming Date: Mon, 26 May 2025 10:04:37 +0200 Message-ID: <20250526080512.1697528-5-clg@redhat.com> In-Reply-To: <20250526080512.1697528-1-clg@redhat.com> References: <20250526080512.1697528-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 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=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -59 X-Spam_score: -6.0 X-Spam_bar: ------ X-Spam_report: (-6.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.904, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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 @redhat.com) X-ZM-MESSAGEID: 1748246849605116600 From: Jamin Lin Currently, users define multiple local variables within different if-statem= ents. To improve readability and maintain consistency in variable naming, rename = the variables accordingly. Introduced "sg_addr" to clearly indicate the scatter-gather mode buffer add= ress. Signed-off-by: Jamin Lin Reviewed-by: C=C3=A9dric Le Goater Link: https://lore.kernel.org/qemu-devel/20250515081008.583578-3-jamin_lin@= aspeedtech.com Signed-off-by: C=C3=A9dric Le Goater --- hw/misc/aspeed_hace.c | 67 +++++++++++++++++++++---------------------- 1 file changed, 33 insertions(+), 34 deletions(-) diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c index 9263739ea634..6be94963bce7 100644 --- a/hw/misc/aspeed_hace.c +++ b/hw/misc/aspeed_hace.c @@ -145,15 +145,19 @@ static bool has_padding(AspeedHACEState *s, struct io= vec *iov, static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, bool acc_mode) { + g_autofree uint8_t *digest_buf =3D NULL; struct iovec iov[ASPEED_HACE_MAX_SG]; + bool acc_final_request =3D false; + Error *local_err =3D NULL; uint32_t total_msg_len; - uint32_t pad_offset; - g_autofree uint8_t *digest_buf =3D NULL; size_t digest_len =3D 0; - bool sg_acc_mode_final_request =3D false; - int i; + uint32_t sg_addr =3D 0; + uint32_t pad_offset; + int iov_idx =3D 0; + uint32_t len =3D 0; + uint32_t src =3D 0; void *haddr; - Error *local_err =3D NULL; + hwaddr plen; =20 if (acc_mode && s->hash_ctx =3D=3D NULL) { s->hash_ctx =3D qcrypto_hash_new(algo, &local_err); @@ -166,74 +170,69 @@ static void do_hash_operation(AspeedHACEState *s, int= algo, bool sg_mode, } =20 if (sg_mode) { - uint32_t len =3D 0; - - for (i =3D 0; !(len & SG_LIST_LEN_LAST); i++) { - uint32_t addr, src; - hwaddr plen; - - if (i =3D=3D ASPEED_HACE_MAX_SG) { + for (iov_idx =3D 0; !(len & SG_LIST_LEN_LAST); iov_idx++) { + if (iov_idx =3D=3D ASPEED_HACE_MAX_SG) { qemu_log_mask(LOG_GUEST_ERROR, "aspeed_hace: guest failed to set end of sg list m= arker\n"); break; } =20 - src =3D s->regs[R_HASH_SRC] + (i * SG_LIST_ENTRY_SIZE); + src =3D s->regs[R_HASH_SRC] + (iov_idx * SG_LIST_ENTRY_SIZE); =20 len =3D address_space_ldl_le(&s->dram_as, src, MEMTXATTRS_UNSPECIFIED, NULL); =20 - addr =3D address_space_ldl_le(&s->dram_as, src + SG_LIST_LEN_S= IZE, - MEMTXATTRS_UNSPECIFIED, NULL); - addr &=3D SG_LIST_ADDR_MASK; + sg_addr =3D address_space_ldl_le(&s->dram_as, src + SG_LIST_LE= N_SIZE, + MEMTXATTRS_UNSPECIFIED, NULL); + sg_addr &=3D SG_LIST_ADDR_MASK; =20 plen =3D len & SG_LIST_LEN_MASK; - haddr =3D address_space_map(&s->dram_as, addr, &plen, false, + haddr =3D address_space_map(&s->dram_as, sg_addr, &plen, false, MEMTXATTRS_UNSPECIFIED); if (haddr =3D=3D NULL) { qemu_log_mask(LOG_GUEST_ERROR, "%s: qcrypto failed\n", __func__); return; } - iov[i].iov_base =3D haddr; + iov[iov_idx].iov_base =3D haddr; if (acc_mode) { s->total_req_len +=3D plen; =20 - if (has_padding(s, &iov[i], plen, &total_msg_len, + if (has_padding(s, &iov[iov_idx], plen, &total_msg_len, &pad_offset)) { /* Padding being present indicates the final request */ - sg_acc_mode_final_request =3D true; - iov[i].iov_len =3D pad_offset; + acc_final_request =3D true; + iov[iov_idx].iov_len =3D pad_offset; } else { - iov[i].iov_len =3D plen; + iov[iov_idx].iov_len =3D plen; } } else { - iov[i].iov_len =3D plen; + iov[iov_idx].iov_len =3D plen; } } } else { - hwaddr len =3D s->regs[R_HASH_SRC_LEN]; + plen =3D s->regs[R_HASH_SRC_LEN]; =20 haddr =3D address_space_map(&s->dram_as, s->regs[R_HASH_SRC], - &len, false, MEMTXATTRS_UNSPECIFIED); + &plen, false, MEMTXATTRS_UNSPECIFIED); if (haddr =3D=3D NULL) { qemu_log_mask(LOG_GUEST_ERROR, "%s: qcrypto failed\n", __func_= _); return; } iov[0].iov_base =3D haddr; - iov[0].iov_len =3D len; - i =3D 1; + iov[0].iov_len =3D plen; + iov_idx =3D 1; } =20 if (acc_mode) { - if (qcrypto_hash_updatev(s->hash_ctx, iov, i, &local_err) < 0) { + if (qcrypto_hash_updatev(s->hash_ctx, iov, iov_idx, &local_err) < = 0) { qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash update failed : %= s", error_get_pretty(local_err)); error_free(local_err); return; } =20 - if (sg_acc_mode_final_request) { + if (acc_final_request) { if (qcrypto_hash_finalize_bytes(s->hash_ctx, &digest_buf, &digest_len, &local_err)) { qemu_log_mask(LOG_GUEST_ERROR, @@ -248,7 +247,7 @@ static void do_hash_operation(AspeedHACEState *s, int a= lgo, bool sg_mode, s->hash_ctx =3D NULL; s->total_req_len =3D 0; } - } else if (qcrypto_hash_bytesv(algo, iov, i, &digest_buf, + } else if (qcrypto_hash_bytesv(algo, iov, iov_idx, &digest_buf, &digest_len, &local_err) < 0) { qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash bytesv failed : %s", error_get_pretty(local_err)); @@ -263,10 +262,10 @@ static void do_hash_operation(AspeedHACEState *s, int= algo, bool sg_mode, "aspeed_hace: address space write failed\n"); } =20 - for (; i > 0; i--) { - address_space_unmap(&s->dram_as, iov[i - 1].iov_base, - iov[i - 1].iov_len, false, - iov[i - 1].iov_len); + for (; iov_idx > 0; iov_idx--) { + address_space_unmap(&s->dram_as, iov[iov_idx - 1].iov_base, + iov[iov_idx - 1].iov_len, false, + iov[iov_idx - 1].iov_len); } =20 /* --=20 2.49.0