[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 3/4] xen: make start_info x86 specific.
Most of this struct is PV MMU specific and it is not used on ARM at all. Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> Cc: Jan Beulich <JBeulich@xxxxxxxx> Cc: Keir (Xen.org) <keir@xxxxxxx> Cc: Tim Deegan <tim@xxxxxxx> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> --- tools/libxc/xenctrl.h | 5 +-- xen/include/public/arch-x86/xen.h | 73 +++++++++++++++++++++++++++++++++++++ xen/include/public/xen.h | 73 ------------------------------------- xen/include/xlat.lst | 2 +- 4 files changed, 76 insertions(+), 77 deletions(-) diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h index 32122fd..9e4a741 100644 --- a/tools/libxc/xenctrl.h +++ b/tools/libxc/xenctrl.h @@ -395,15 +395,14 @@ typedef union shared_info_t s; } shared_info_any_t; +#if defined(__i386__) || defined(__x86_64__) typedef union { -#if defined(__i386__) || defined(__x86_64__) start_info_x86_64_t x64; start_info_x86_32_t x32; -#endif start_info_t s; } start_info_any_t; - +#endif int xc_domain_create(xc_interface *xch, uint32_t ssidref, diff --git a/xen/include/public/arch-x86/xen.h b/xen/include/public/arch-x86/xen.h index 13c21dc..00f0306 100644 --- a/xen/include/public/arch-x86/xen.h +++ b/xen/include/public/arch-x86/xen.h @@ -147,6 +147,79 @@ DEFINE_XEN_GUEST_HANDLE(trap_info_t); typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ +#define MAX_GUEST_CMDLINE 1024 +struct start_info { + /* THE FOLLOWING ARE FILLED IN BOTH ON INITIAL BOOT AND ON RESUME. */ + char magic[32]; /* "xen-<version>-<platform>". */ + unsigned long nr_pages; /* Total pages allocated to this domain. */ + unsigned long shared_info; /* MACHINE address of shared info struct. */ + uint32_t flags; /* SIF_xxx flags. */ + xen_pfn_t store_mfn; /* MACHINE page number of shared page. */ + uint32_t store_evtchn; /* Event channel for store communication. */ + union { + struct { + xen_pfn_t mfn; /* MACHINE page number of console page. */ + uint32_t evtchn; /* Event channel for console page. */ + } domU; + struct { + uint32_t info_off; /* Offset of console_info struct. */ + uint32_t info_size; /* Size of console_info struct from start.*/ + } dom0; + } console; + /* THE FOLLOWING ARE ONLY FILLED IN ON INITIAL BOOT (NOT RESUME). */ + unsigned long pt_base; /* VIRTUAL address of page directory. */ + unsigned long nr_pt_frames; /* Number of bootstrap p.t. frames. */ + unsigned long mfn_list; /* VIRTUAL address of page-frame list. */ + unsigned long mod_start; /* VIRTUAL address of pre-loaded module */ + /* (PFN of pre-loaded module if */ + /* SIF_MOD_START_PFN set in flags). */ + unsigned long mod_len; /* Size (bytes) of pre-loaded module. */ + int8_t cmd_line[MAX_GUEST_CMDLINE]; + /* The pfn range here covers both page table and p->m table frames. */ + unsigned long first_p2m_pfn;/* 1st pfn forming initial P->M table. */ + unsigned long nr_p2m_frames;/* # of pfns forming initial P->M table. */ +}; +typedef struct start_info start_info_t; + +/* New console union for dom0 introduced in 0x00030203. */ +#if __XEN_INTERFACE_VERSION__ < 0x00030203 +#define console_mfn console.domU.mfn +#define console_evtchn console.domU.evtchn +#endif + +/* These flags are passed in the 'flags' field of start_info_t. */ +#define SIF_PRIVILEGED (1<<0) /* Is the domain privileged? */ +#define SIF_INITDOMAIN (1<<1) /* Is this the initial control domain? */ +#define SIF_MULTIBOOT_MOD (1<<2) /* Is mod_start a multiboot module? */ +#define SIF_MOD_START_PFN (1<<3) /* Is mod_start a PFN? */ +#define SIF_PM_MASK (0xFF<<8) /* reserve 1 byte for xen-pm options */ + +/* + * A multiboot module is a package containing modules very similar to a + * multiboot module array. The only differences are: + * - the array of module descriptors is by convention simply at the beginning + * of the multiboot module, + * - addresses in the module descriptors are based on the beginning of the + * multiboot module, + * - the number of modules is determined by a termination descriptor that has + * mod_start == 0. + * + * This permits to both build it statically and reference it in a configuration + * file, and let the PV guest easily rebase the addresses to virtual addresses + * and at the same time count the number of modules. + */ +struct xen_multiboot_mod_list +{ + /* Address of first byte of the module */ + uint32_t mod_start; + /* Address of last byte of the module (inclusive) */ + uint32_t mod_end; + /* Address of zero-terminated command line */ + uint32_t cmdline; + /* Unused, must be zero */ + uint32_t pad; +}; + /* * The following is all CPU context. Note that the fpu_ctxt block is filled * in by FXSAVE if the CPU has feature FXSR; otherwise FSAVE is used. diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h index 99c8212..846f446 100644 --- a/xen/include/public/xen.h +++ b/xen/include/public/xen.h @@ -706,79 +706,6 @@ typedef struct shared_info shared_info_t; * extended by an extra 4MB to ensure this. */ -#define MAX_GUEST_CMDLINE 1024 -struct start_info { - /* THE FOLLOWING ARE FILLED IN BOTH ON INITIAL BOOT AND ON RESUME. */ - char magic[32]; /* "xen-<version>-<platform>". */ - unsigned long nr_pages; /* Total pages allocated to this domain. */ - unsigned long shared_info; /* MACHINE address of shared info struct. */ - uint32_t flags; /* SIF_xxx flags. */ - xen_pfn_t store_mfn; /* MACHINE page number of shared page. */ - uint32_t store_evtchn; /* Event channel for store communication. */ - union { - struct { - xen_pfn_t mfn; /* MACHINE page number of console page. */ - uint32_t evtchn; /* Event channel for console page. */ - } domU; - struct { - uint32_t info_off; /* Offset of console_info struct. */ - uint32_t info_size; /* Size of console_info struct from start.*/ - } dom0; - } console; - /* THE FOLLOWING ARE ONLY FILLED IN ON INITIAL BOOT (NOT RESUME). */ - unsigned long pt_base; /* VIRTUAL address of page directory. */ - unsigned long nr_pt_frames; /* Number of bootstrap p.t. frames. */ - unsigned long mfn_list; /* VIRTUAL address of page-frame list. */ - unsigned long mod_start; /* VIRTUAL address of pre-loaded module */ - /* (PFN of pre-loaded module if */ - /* SIF_MOD_START_PFN set in flags). */ - unsigned long mod_len; /* Size (bytes) of pre-loaded module. */ - int8_t cmd_line[MAX_GUEST_CMDLINE]; - /* The pfn range here covers both page table and p->m table frames. */ - unsigned long first_p2m_pfn;/* 1st pfn forming initial P->M table. */ - unsigned long nr_p2m_frames;/* # of pfns forming initial P->M table. */ -}; -typedef struct start_info start_info_t; - -/* New console union for dom0 introduced in 0x00030203. */ -#if __XEN_INTERFACE_VERSION__ < 0x00030203 -#define console_mfn console.domU.mfn -#define console_evtchn console.domU.evtchn -#endif - -/* These flags are passed in the 'flags' field of start_info_t. */ -#define SIF_PRIVILEGED (1<<0) /* Is the domain privileged? */ -#define SIF_INITDOMAIN (1<<1) /* Is this the initial control domain? */ -#define SIF_MULTIBOOT_MOD (1<<2) /* Is mod_start a multiboot module? */ -#define SIF_MOD_START_PFN (1<<3) /* Is mod_start a PFN? */ -#define SIF_PM_MASK (0xFF<<8) /* reserve 1 byte for xen-pm options */ - -/* - * A multiboot module is a package containing modules very similar to a - * multiboot module array. The only differences are: - * - the array of module descriptors is by convention simply at the beginning - * of the multiboot module, - * - addresses in the module descriptors are based on the beginning of the - * multiboot module, - * - the number of modules is determined by a termination descriptor that has - * mod_start == 0. - * - * This permits to both build it statically and reference it in a configuration - * file, and let the PV guest easily rebase the addresses to virtual addresses - * and at the same time count the number of modules. - */ -struct xen_multiboot_mod_list -{ - /* Address of first byte of the module */ - uint32_t mod_start; - /* Address of last byte of the module (inclusive) */ - uint32_t mod_end; - /* Address of zero-terminated command line */ - uint32_t cmdline; - /* Unused, must be zero */ - uint32_t pad; -}; - typedef struct dom0_vga_console_info { uint8_t video_type; /* DOM0_VGA_CONSOLE_??? */ #define XEN_VGATYPE_TEXT_MODE_3 0x03 diff --git a/xen/include/xlat.lst b/xen/include/xlat.lst index 3d4f1e3..5b0ff35 100644 --- a/xen/include/xlat.lst +++ b/xen/include/xlat.lst @@ -5,10 +5,10 @@ ? xenctl_cpumap xen.h ? mmu_update xen.h ! mmuext_op xen.h -! start_info xen.h ? vcpu_info xen.h ? vcpu_time_info xen.h ! cpu_user_regs arch-x86/xen-@arch@.h +! start_info arch-x86/xen.h ! trap_info arch-x86/xen.h ? cpu_offline_action arch-x86/xen-mca.h ? mc arch-x86/xen-mca.h -- 1.7.2.5 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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