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s390/qdio: bridgeport support - CHSC part

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Introduce function for the "Perform network-subchannel operation"
CHSC command with operation code "bridgeport information",
and bit definitions for "characteristics" pertaning to this command.

Signed-off-by: Eugene Crosser <eugene.crosser@ru.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eugene Crosser
2014-01-14 15:54:12 +01:00
committed by David S. Miller
parent b4d72c08b3
commit 59b55a4df2
5 changed files with 209 additions and 1 deletions
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2
arch/s390/include/asm/css_chars.h
View File

@@ -29,6 +29,8 @@ struct css_general_char {
u32 fcx : 1; /* bit 88 */
u32 : 19;
u32 alt_ssi : 1; /* bit 108 */
u32:1;
u32 narf:1; /* bit 110 */
} __packed;
extern struct css_general_char css_general_characteristics;

33
arch/s390/include/asm/qdio.h
View File

@@ -378,6 +378,34 @@ struct qdio_initialize {
struct qdio_outbuf_state *output_sbal_state_array;
};
/**
* enum qdio_brinfo_entry_type - type of address entry for qdio_brinfo_desc()
* @l3_ipv6_addr: entry contains IPv6 address
* @l3_ipv4_addr: entry contains IPv4 address
* @l2_addr_lnid: entry contains MAC address and VLAN ID
*/
enum qdio_brinfo_entry_type {l3_ipv6_addr, l3_ipv4_addr, l2_addr_lnid};
/**
* struct qdio_brinfo_entry_XXX - Address entry for qdio_brinfo_desc()
* @nit: Network interface token
* @addr: Address of one of the three types
*
* The struct is passed to the callback function by qdio_brinfo_desc()
*/
struct qdio_brinfo_entry_l3_ipv6 {
u64 nit;
struct { unsigned char _s6_addr[16]; } addr;
} __packed;
struct qdio_brinfo_entry_l3_ipv4 {
u64 nit;
struct { uint32_t _s_addr; } addr;
} __packed;
struct qdio_brinfo_entry_l2 {
u64 nit;
struct { u8 mac[6]; u16 lnid; } addr_lnid;
} __packed;
#define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */
#define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_establish */
#define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */
@@ -399,5 +427,10 @@ extern int qdio_get_next_buffers(struct ccw_device *, int, int *, int *);
extern int qdio_shutdown(struct ccw_device *, int);
extern int qdio_free(struct ccw_device *);
extern int qdio_get_ssqd_desc(struct ccw_device *, struct qdio_ssqd_desc *);
extern int qdio_pnso_brinfo(struct subchannel_id schid,
int cnc, u16 *response,
void (*cb)(void *priv, enum qdio_brinfo_entry_type type,
void *entry),
void *priv);
#endif /* __QDIO_H__ */