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[213.67.3.247]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-521f39d2cb0sm364149e87.276.2024.05.09.10.29.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 May 2024 10:29:54 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c0f9c272-0e29-11ef-909c-e314d9c70b13 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1715275796; x=1715880596; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=jPCYivsqUnFKto+ateYrmLlKD4VaCAkHPo9leQ/G7oM=; b=cdxGtIkoQ2NtQdDstJoE1QMd6RABv6PUMUNpPzqgkafNHpYnkHWPndoFdUG+8RZgUb FPh1O0VyQMF31JHf1lAekHquOxoiRdYpdNebtq1YcdNxNWaoIUSJ8QxVOIw+UCJxX1GL zUC/Krxo8ASngS/wOFDLk+1Vf/OFR0R1blPebHCPCTB5Yqsr3wEWqO9xu2GBbB4rZDSQ 4yjitCxpo1wXDjk9rkkMc4yKA2Po2+Ezv1qJSxvIHgXWwtSaO5jPcUrRED0hQDOZi6GD dt5zxmVpjckQxKAeznh6cmfenlRiY/4UBNXbi+mdehGpxUhLrh+q9JRxneWaezjpwhRo 4H1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715275796; x=1715880596; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jPCYivsqUnFKto+ateYrmLlKD4VaCAkHPo9leQ/G7oM=; b=jimZS/YeLK1nKdORtedOOKqSOnxIq7M2oFrd6OeDW5cHnKBIYDCv45KXM7HxS1uWdW r4/Gzughpl0H9quEUWZrIAMQeqqjf8Px9KWLBc24Cjy8bA3uuuBOdNWyTSVR9wjlmxr+ lGRsZvVJAdZfAtyBVhYSYfdaRD9gtJ8U7aA+SzQ1BZY6bCb83zEFxwhuMvqwigNxk/y2 Qqbm5MlYH0zyQmfxDrTEsAhu5CTfa8/q3+YuOrD67M5o/T1Hv+QEVfZ5woUQ2KFirzaK xQdyRWpTu4mpXZqgv4ERsyZZWa5iv/0m537bjJr1ZtxF6GPCDhT55nbN0S23igz0aFJj oXFw== X-Forwarded-Encrypted: i=1; AJvYcCX5FfBL6c2Sd0T9V9J8KxPNp7+dWrt//o3qMM59lSZEC2oQI1eWK8rJlxv9KoR6IxxoduplMFny15K7hdvUKc18S6k1e++lzttb5WeTs6Y= X-Gm-Message-State: AOJu0YzcHwJJqcQU++seGNKTeBJBMqdQ6BehbZInhkwO5Q0Lp3gMWnD3 P3iEUmbKgYxveHOxnQ2Z4JkLJ5I2Ug9hlYWpZLs/7k3Q9kQGSkrb X-Google-Smtp-Source: AGHT+IGXpW00WomSWOz6NY89WyIw3oecHI+P6P9NdIdqTkVjlwXFHCkPAdJcU5KxXWJWBW7z9vO7OA== X-Received: by 2002:a19:700b:0:b0:521:44ce:2999 with SMTP id 2adb3069b0e04-52210074a29mr116899e87.47.1715275795997; Thu, 09 May 2024 10:29:55 -0700 (PDT) From: "Edgar E. Iglesias" To: qemu-devel@nongnu.org Cc: edgar.iglesias@gmail.com, sstabellini@kernel.org, jgross@suse.com, "Edgar E. Iglesias" , Anthony PERARD , Paul Durrant , Paolo Bonzini , Peter Xu , David Hildenbrand , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , xen-devel@lists.xenproject.org Subject: [PATCH v5 6/8] xen: mapcache: Pass the ram_addr offset to xen_map_cache() Date: Fri, 3 May 2024 03:44:47 +0200 Message-Id: <20240503014449.1046238-7-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240503014449.1046238-1-edgar.iglesias@gmail.com> References: <20240503014449.1046238-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1715275820855100001 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Pass the ram_addr offset to xen_map_cache. This is in preparation for adding grant mappings that need to compute the address within the RAMBlock. No functional changes. Signed-off-by: Edgar E. Iglesias --- hw/xen/xen-mapcache.c | 16 +++++++++++----- include/sysemu/xen-mapcache.h | 2 ++ system/physmem.c | 9 +++++---- 3 files changed, 18 insertions(+), 9 deletions(-) diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c index ec95445696..26bc38a9e3 100644 --- a/hw/xen/xen-mapcache.c +++ b/hw/xen/xen-mapcache.c @@ -167,7 +167,8 @@ static void xen_remap_bucket(MapCache *mc, void *vaddr, hwaddr size, hwaddr address_index, - bool dummy) + bool dummy, + ram_addr_t ram_offset) { uint8_t *vaddr_base; xen_pfn_t *pfns; @@ -266,6 +267,7 @@ static void xen_remap_bucket(MapCache *mc, =20 static uint8_t *xen_map_cache_unlocked(MapCache *mc, hwaddr phys_addr, hwaddr size, + ram_addr_t ram_offset, uint8_t lock, bool dma, bool is_wri= te) { MapCacheEntry *entry, *pentry =3D NULL, @@ -337,14 +339,16 @@ tryagain: if (!entry) { entry =3D g_new0(MapCacheEntry, 1); pentry->next =3D entry; - xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy= ); + xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy, + ram_offset); } else if (!entry->lock) { if (!entry->vaddr_base || entry->paddr_index !=3D address_index || entry->size !=3D cache_size || !test_bits(address_offset >> XC_PAGE_SHIFT, test_bit_size >> XC_PAGE_SHIFT, entry->valid_mapping)) { - xen_remap_bucket(mc, entry, NULL, cache_size, address_index, d= ummy); + xen_remap_bucket(mc, entry, NULL, cache_size, address_index, d= ummy, + ram_offset); } } =20 @@ -391,13 +395,15 @@ tryagain: =20 uint8_t *xen_map_cache(MemoryRegion *mr, hwaddr phys_addr, hwaddr size, + ram_addr_t ram_addr_offset, uint8_t lock, bool dma, bool is_write) { uint8_t *p; =20 mapcache_lock(mapcache); - p =3D xen_map_cache_unlocked(mapcache, phys_addr, size, lock, dma, is_= write); + p =3D xen_map_cache_unlocked(mapcache, phys_addr, size, ram_addr_offse= t, + lock, dma, is_write); mapcache_unlock(mapcache); return p; } @@ -632,7 +638,7 @@ static uint8_t *xen_replace_cache_entry_unlocked(MapCac= he *mc, trace_xen_replace_cache_entry_dummy(old_phys_addr, new_phys_addr); =20 xen_remap_bucket(mc, entry, entry->vaddr_base, - cache_size, address_index, false); + cache_size, address_index, false, new_phys_addr); if (!test_bits(address_offset >> XC_PAGE_SHIFT, test_bit_size >> XC_PAGE_SHIFT, entry->valid_mapping)) { diff --git a/include/sysemu/xen-mapcache.h b/include/sysemu/xen-mapcache.h index 1ec9e66752..b5e3ea1bc0 100644 --- a/include/sysemu/xen-mapcache.h +++ b/include/sysemu/xen-mapcache.h @@ -19,6 +19,7 @@ typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offs= et, void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque); uint8_t *xen_map_cache(MemoryRegion *mr, hwaddr phys_addr, hwaddr size, + ram_addr_t ram_addr_offset, uint8_t lock, bool dma, bool is_write); ram_addr_t xen_ram_addr_from_mapcache(void *ptr); @@ -37,6 +38,7 @@ static inline void xen_map_cache_init(phys_offset_to_gadd= r_t f, static inline uint8_t *xen_map_cache(MemoryRegion *mr, hwaddr phys_addr, hwaddr size, + ram_addr_t ram_addr_offset, uint8_t lock, bool dma, bool is_write) diff --git a/system/physmem.c b/system/physmem.c index b7847db1a2..33d09f7571 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -2231,13 +2231,14 @@ static void *qemu_ram_ptr_length(RAMBlock *block, r= am_addr_t addr, */ if (xen_mr_is_memory(block->mr)) { return xen_map_cache(block->mr, block->offset + addr, - len, lock, lock, - is_write); + len, block->offset, + lock, lock, is_write); } =20 block->host =3D xen_map_cache(block->mr, block->offset, - block->max_length, 1, - lock, is_write); + block->max_length, + block->offset, + 1, lock, is_write); } =20 return ramblock_ptr(block, addr); --=20 2.40.1