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scsi: qla2xxx: Serialize GPNID for multiple RSCN

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GPNID is triggered by RSCN. For multiple RSCNs of the same affected
NPORT ID, serialize the GPNID to prevent confusion.

Fixes: 726b854870 ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran
2017-12-04 14:45:02 -08:00
committed by Martin K. Petersen
parent 25ad76b703
commit 2d73ac6102
4 changed files with 58 additions and 28 deletions
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48
drivers/scsi/qla2xxx/qla_def.h
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@@ -315,6 +315,29 @@ struct srb_cmd {
/* To identify if a srb is of T10-CRC type. @sp => srb_t pointer */
#define IS_PROT_IO(sp) (sp->flags & SRB_CRC_CTX_DSD_VALID)
/*
* 24 bit port ID type definition.
*/
typedef union {
uint32_t b24 : 24;
struct {
#ifdef __BIG_ENDIAN
uint8_t domain;
uint8_t area;
uint8_t al_pa;
#elif defined(__LITTLE_ENDIAN)
uint8_t al_pa;
uint8_t area;
uint8_t domain;
#else
#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined!"
#endif
uint8_t rsvd_1;
} b;
} port_id_t;
#define INVALID_PORT_ID 0xFFFFFF
struct els_logo_payload {
uint8_t opcode;
uint8_t rsvd[3];
@@ -338,6 +361,7 @@ struct ct_arg {
u32 rsp_size;
void *req;
void *rsp;
port_id_t id;
};
/*
@@ -499,6 +523,7 @@ typedef struct srb {
const char *name;
int iocbs;
struct qla_qpair *qpair;
struct list_head elem;
u32 gen1; /* scratch */
u32 gen2; /* scratch */
union {
@@ -2164,28 +2189,6 @@ struct imm_ntfy_from_isp {
#define REQUEST_ENTRY_SIZE (sizeof(request_t))
/*
* 24 bit port ID type definition.
*/
typedef union {
uint32_t b24 : 24;
struct {
#ifdef __BIG_ENDIAN
uint8_t domain;
uint8_t area;
uint8_t al_pa;
#elif defined(__LITTLE_ENDIAN)
uint8_t al_pa;
uint8_t area;
uint8_t domain;
#else
#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined!"
#endif
uint8_t rsvd_1;
} b;
} port_id_t;
#define INVALID_PORT_ID 0xFFFFFF
/*
* Switch info gathering structure.
@@ -4252,6 +4255,7 @@ typedef struct scsi_qla_host {
uint8_t n2n_node_name[WWN_SIZE];
uint8_t n2n_port_name[WWN_SIZE];
uint16_t n2n_id;
struct list_head gpnid_list;
} scsi_qla_host_t;
struct qla27xx_image_status {