Re: [kvm-unit-tests PATCH 2/6] s390x: Add more Ultravisor command structure definitions

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On Tue, 16 Mar 2021 09:16:50 +0000
Janosch Frank <frankja@xxxxxxxxxxxxx> wrote:

> They are needed in the new UV tests.
> 
> As we now extend the size of the query struct, we need to set the
> length in the UV guest query test to a constant instead of using
> sizeof.
> 
> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>

Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>

> ---
>  lib/s390x/asm/uv.h | 148
> ++++++++++++++++++++++++++++++++++++++++++++- s390x/uv-guest.c   |
> 2 +- 2 files changed, 148 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/s390x/asm/uv.h b/lib/s390x/asm/uv.h
> index 9c491844..11f70a9f 100644
> --- a/lib/s390x/asm/uv.h
> +++ b/lib/s390x/asm/uv.h
> @@ -17,16 +17,54 @@
>  #define UVC_RC_INV_STATE	0x0003
>  #define UVC_RC_INV_LEN		0x0005
>  #define UVC_RC_NO_RESUME	0x0007
> +#define UVC_RC_INV_GHANDLE	0x0020
> +#define UVC_RC_INV_CHANDLE	0x0021
>  
>  #define UVC_CMD_QUI			0x0001
> +#define UVC_CMD_INIT_UV			0x000f
> +#define UVC_CMD_CREATE_SEC_CONF		0x0100
> +#define UVC_CMD_DESTROY_SEC_CONF	0x0101
> +#define UVC_CMD_CREATE_SEC_CPU		0x0120
> +#define UVC_CMD_DESTROY_SEC_CPU		0x0121
> +#define UVC_CMD_CONV_TO_SEC_STOR	0x0200
> +#define UVC_CMD_CONV_FROM_SEC_STOR	0x0201
> +#define UVC_CMD_SET_SEC_CONF_PARAMS	0x0300
> +#define UVC_CMD_UNPACK_IMG		0x0301
> +#define UVC_CMD_VERIFY_IMG		0x0302
> +#define UVC_CMD_CPU_RESET		0x0310
> +#define UVC_CMD_CPU_RESET_INITIAL	0x0311
> +#define UVC_CMD_PERF_CONF_CLEAR_RESET	0x0320
> +#define UVC_CMD_CPU_RESET_CLEAR		0x0321
> +#define UVC_CMD_CPU_SET_STATE		0x0330
> +#define UVC_CMD_SET_UNSHARED_ALL	0x0340
> +#define UVC_CMD_PIN_PAGE_SHARED		0x0341
> +#define UVC_CMD_UNPIN_PAGE_SHARED	0x0342
>  #define UVC_CMD_SET_SHARED_ACCESS	0x1000
>  #define UVC_CMD_REMOVE_SHARED_ACCESS	0x1001
>  
>  /* Bits in installed uv calls */
>  enum uv_cmds_inst {
>  	BIT_UVC_CMD_QUI = 0,
> +	BIT_UVC_CMD_INIT_UV = 1,
> +	BIT_UVC_CMD_CREATE_SEC_CONF = 2,
> +	BIT_UVC_CMD_DESTROY_SEC_CONF = 3,
> +	BIT_UVC_CMD_CREATE_SEC_CPU = 4,
> +	BIT_UVC_CMD_DESTROY_SEC_CPU = 5,
> +	BIT_UVC_CMD_CONV_TO_SEC_STOR = 6,
> +	BIT_UVC_CMD_CONV_FROM_SEC_STOR = 7,
>  	BIT_UVC_CMD_SET_SHARED_ACCESS = 8,
>  	BIT_UVC_CMD_REMOVE_SHARED_ACCESS = 9,
> +	BIT_UVC_CMD_SET_SEC_PARMS = 11,
> +	BIT_UVC_CMD_UNPACK_IMG = 13,
> +	BIT_UVC_CMD_VERIFY_IMG = 14,
> +	BIT_UVC_CMD_CPU_RESET = 15,
> +	BIT_UVC_CMD_CPU_RESET_INITIAL = 16,
> +	BIT_UVC_CMD_CPU_SET_STATE = 17,
> +	BIT_UVC_CMD_PREPARE_CLEAR_RESET = 18,
> +	BIT_UVC_CMD_CPU_PERFORM_CLEAR_RESET = 19,
> +	BIT_UVC_CMD_UNSHARE_ALL = 20,
> +	BIT_UVC_CMD_PIN_PAGE_SHARED = 21,
> +	BIT_UVC_CMD_UNPIN_PAGE_SHARED = 22,
>  };
>  
>  struct uv_cb_header {
> @@ -36,13 +74,81 @@ struct uv_cb_header {
>  	u16 rrc;	/* Return Reason Code */
>  } __attribute__((packed))  __attribute__((aligned(8)));
>  
> +struct uv_cb_init {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 stor_origin;
> +	u64 stor_len;
> +	u64 reserved28[4];
> +
> +} __attribute__((packed))  __attribute__((aligned(8)));
> +
>  struct uv_cb_qui {
>  	struct uv_cb_header header;
>  	u64 reserved08;
>  	u64 inst_calls_list[4];
> -	u64 reserved30[15];
> +	u64 reserved30[2];
> +	u64 uv_base_stor_len;
> +	u64 reserved48;
> +	u64 conf_base_phys_stor_len;
> +	u64 conf_base_virt_stor_len;
> +	u64 conf_virt_var_stor_len;
> +	u64 cpu_stor_len;
> +	u32 reserved70[3];
> +	u32 max_num_sec_conf;
> +	u64 max_guest_stor_addr;
> +	u8  reserved88[158 - 136];
> +	u16 max_guest_cpus;
> +	u8  reserveda0[200 - 160];
> +}  __attribute__((packed))  __attribute__((aligned(8)));
> +
> +struct uv_cb_cgc {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 guest_handle;
> +	u64 conf_base_stor_origin;
> +	u64 conf_var_stor_origin;
> +	u64 reserved30;
> +	u64 guest_stor_origin;
> +	u64 guest_stor_len;
> +	u64 guest_sca;
> +	u64 guest_asce;
> +	u64 reserved60[5];
>  } __attribute__((packed))  __attribute__((aligned(8)));
>  
> +struct uv_cb_csc {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 cpu_handle;
> +	u64 guest_handle;
> +	u64 stor_origin;
> +	u8  reserved30[6];
> +	u16 num;
> +	u64 state_origin;
> +	u64 reserved[4];
> +} __attribute__((packed))  __attribute__((aligned(8)));
> +
> +struct uv_cb_unp {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 guest_handle;
> +	u64 gaddr;
> +	u64 tweak[2];
> +	u64 reserved38[3];
> +} __attribute__((packed))  __attribute__((aligned(8)));
> +
> +/*
> + * A common UV call struct for the following calls:
> + * Destroy cpu/config
> + * Verify
> + */
> +struct uv_cb_nodata {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 handle;
> +	u64 reserved20[4];
> +}  __attribute__((packed))  __attribute__((aligned(8)));
> +
>  struct uv_cb_share {
>  	struct uv_cb_header header;
>  	u64 reserved08[3];
> @@ -50,6 +156,32 @@ struct uv_cb_share {
>  	u64 reserved28;
>  } __attribute__((packed))  __attribute__((aligned(8)));
>  
> +/* Convert to Secure */
> +struct uv_cb_cts {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 guest_handle;
> +	u64 gaddr;
> +}  __attribute__((packed))  __attribute__((aligned(8)));
> +
> +/* Convert from Secure / Pin Page Shared */
> +struct uv_cb_cfs {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 paddr;
> +}  __attribute__((packed))  __attribute__((aligned(8)));
> +
> +/* Set Secure Config Parameter */
> +struct uv_cb_ssc {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 guest_handle;
> +	u64 sec_header_origin;
> +	u32 sec_header_len;
> +	u32 reserved2c;
> +	u64 reserved30[4];
> +} __attribute__((packed))  __attribute__((aligned(8)));
> +
>  static inline int uv_call_once(unsigned long r1, unsigned long r2)
>  {
>  	int cc;
> @@ -118,4 +250,18 @@ static inline int uv_remove_shared(unsigned long
> addr) return share(addr, UVC_CMD_REMOVE_SHARED_ACCESS);
>  }
>  
> +struct uv_cb_cpu_set_state {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 cpu_handle;
> +	u8  reserved20[7];
> +	u8  state;
> +	u64 reserved28[5];
> +};
> +
> +#define PV_CPU_STATE_OPR	1
> +#define PV_CPU_STATE_STP	2
> +#define PV_CPU_STATE_CHKSTP	3
> +#define PV_CPU_STATE_OPR_LOAD	5
> +
>  #endif
> diff --git a/s390x/uv-guest.c b/s390x/uv-guest.c
> index a13669ab..95a968c5 100644
> --- a/s390x/uv-guest.c
> +++ b/s390x/uv-guest.c
> @@ -59,7 +59,7 @@ static void test_query(void)
>  {
>  	struct uv_cb_qui uvcb = {
>  		.header.cmd = UVC_CMD_QUI,
> -		.header.len = sizeof(uvcb) - 8,
> +		.header.len = 0xa0,
>  	};
>  	int cc;
>  




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