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[213.67.3.247]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-529b712e856sm736822e87.197.2024.05.29.07.07.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 May 2024 07:07:48 -0700 (PDT) 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: d574fccb-1dc4-11ef-b4bb-af5377834399 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1716991670; x=1717596470; 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=8Zme5MAc1tBIih0t7wrm5r256IXDIRT3xxgBybd+OME=; b=SD1i/pICPsiT+YN882ho54wlay6dFQERXGEeWfrPDo6Bq73nnDx98KqphTWEdscsmW aPhqIJ7W4l1Q/GWoI8NruEB+mOmSEm555k1rrtiqH6WmlrHcK51Y4RQ48oNT+k0b9MCH 9p06J8OiJ4gg4pqh7kUbXQNuCOXT2Ad/UiHQoI8ggyIyfiimbnMRlvNjlPyIFQu4Huvl 2UM5BeUZTGmRIT64TiSPI8a1kiDIDR9YmHDNMWZRbwTCtRH69hJwAPFVJVSa9GAiyzYa l+0PIKLXZbr6LGbNc7E8PJtaXvA6YeBpo/NXmdTJfvYEIWXbUs11Rbjn+JMXpvC3ZQDX X8Ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716991670; x=1717596470; 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=8Zme5MAc1tBIih0t7wrm5r256IXDIRT3xxgBybd+OME=; b=fSZqa0K7smf7JyEUYSwSSvDmxz4Vs+nUkP2as/k0VEdC47ioLNVnRSH97uPyEzwdrI HGf6WGSP9f+CZWqu1SNNozDM6pq+cSPSqgQwCdfZt7ZQAk6YoiTKccvJRhHtLug552KK zcP66f4EuxGPWJd82DFrZVSNADAbLsSuw77XlDkXncUsXpD3FF5+2dj1Ac4MFEJ8rPRy zWQewrE87+bW7L900LRIZ4p+Zk/2+MV0nuliAq83EZCmFKtF9RCrFMSzKU1N2qVPJwaj 6gnSWA/UHkxibk92bHVPcGru2poErNqxbsEwbDyGWtzR+RiJxcFwOP6PYflDODDfLZVU LMiQ== X-Forwarded-Encrypted: i=1; AJvYcCW/Nt0I7sSn7K+i1vS3JKh8mp92Ig8KvVl6yghKDOl0/ouSLP157LMN04M6aIqFK+5Ro/irIRGMdZRlagbH6h3SP8/QVcUUOXhPvVX4wjI= X-Gm-Message-State: AOJu0YzotxyBWseCUM7dlkGlrEMX40zkcAeU9Rg5dSLvPgsVKIw1W5MH 4NquYA8U5zz8m7a74sNYGZboBebvauVnq2L76eWDg9Zo+Nxk5EH3 X-Google-Smtp-Source: AGHT+IG4vbZH58aNNCx5WtguQ+wygMZh32hk2g0EZYP53A4we56wYQmUuGwtdGe8zRPUZLd0GfJq8g== X-Received: by 2002:a05:6512:3194:b0:51f:3fea:cbcf with SMTP id 2adb3069b0e04-529664dac0cmr11284687e87.52.1716991669796; Wed, 29 May 2024 07:07:49 -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" , David Hildenbrand , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Anthony PERARD , Paul Durrant , Paolo Bonzini , Peter Xu , xen-devel@lists.xenproject.org Subject: [PATCH v8 6/8] xen: mapcache: Pass the ram_addr offset to xen_map_cache() Date: Wed, 29 May 2024 16:07:37 +0200 Message-Id: <20240529140739.1387692-7-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240529140739.1387692-1-edgar.iglesias@gmail.com> References: <20240529140739.1387692-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 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 Reviewed-by: David Hildenbrand Reviewed-by: Stefano Stabellini Reviewed-by: Philippe Mathieu-Daudé --- 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..a07c47b0b1 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, 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_write) { MapCacheEntry *entry, *pentry = NULL, @@ -337,14 +339,16 @@ tryagain: if (!entry) { entry = g_new0(MapCacheEntry, 1); pentry->next = 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 != address_index || entry->size != 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, dummy); + xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy, + ram_offset); } } @@ -391,13 +395,15 @@ tryagain: 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; mapcache_lock(mapcache); - p = xen_map_cache_unlocked(mapcache, phys_addr, size, lock, dma, is_write); + p = xen_map_cache_unlocked(mapcache, phys_addr, size, ram_addr_offset, + lock, dma, is_write); mapcache_unlock(mapcache); return p; } @@ -632,7 +638,7 @@ static uint8_t *xen_replace_cache_entry_unlocked(MapCache *mc, trace_xen_replace_cache_entry_dummy(old_phys_addr, new_phys_addr); xen_remap_bucket(mc, entry, entry->vaddr_base, - cache_size, address_index, false); + cache_size, address_index, false, old_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_offset, 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_gaddr_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, ram_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); } block->host = xen_map_cache(block->mr, block->offset, - block->max_length, 1, - lock, is_write); + block->max_length, + block->offset, + 1, lock, is_write); } return ramblock_ptr(block, addr);