From 8aa134a836061c54f64775ffc4006bdce8bea4a8 Mon Sep 17 00:00:00 2001 From: James Smart Date: Tue, 14 Aug 2012 14:25:29 -0400 Subject: [PATCH] [SCSI] lpfc 8.3.34: Add SLI-4 V1 Capacity and Resource Descriptor support Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_hw4.h | 17 ++++++++++++++++- drivers/scsi/lpfc/lpfc_init.c | 25 +++++++++++++++---------- 2 files changed, 31 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 35af35b..dc13612b 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -2573,7 +2573,7 @@ struct lpfc_mbx_get_sli4_parameters { }; struct lpfc_rscr_desc_generic { -#define LPFC_RSRC_DESC_WSIZE 18 +#define LPFC_RSRC_DESC_WSIZE 22 uint32_t desc[LPFC_RSRC_DESC_WSIZE]; }; @@ -2583,6 +2583,9 @@ struct lpfc_rsrc_desc_pcie { #define lpfc_rsrc_desc_pcie_type_MASK 0x000000ff #define lpfc_rsrc_desc_pcie_type_WORD word0 #define LPFC_RSRC_DESC_TYPE_PCIE 0x40 +#define lpfc_rsrc_desc_pcie_length_SHIFT 8 +#define lpfc_rsrc_desc_pcie_length_MASK 0x000000ff +#define lpfc_rsrc_desc_pcie_length_WORD word0 uint32_t word1; #define lpfc_rsrc_desc_pcie_pfnum_SHIFT 0 #define lpfc_rsrc_desc_pcie_pfnum_MASK 0x000000ff @@ -2610,6 +2613,12 @@ struct lpfc_rsrc_desc_fcfcoe { #define lpfc_rsrc_desc_fcfcoe_type_MASK 0x000000ff #define lpfc_rsrc_desc_fcfcoe_type_WORD word0 #define LPFC_RSRC_DESC_TYPE_FCFCOE 0x43 +#define lpfc_rsrc_desc_fcfcoe_length_SHIFT 8 +#define lpfc_rsrc_desc_fcfcoe_length_MASK 0x000000ff +#define lpfc_rsrc_desc_fcfcoe_length_WORD word0 +#define LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD 0 +#define LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH 72 +#define LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH 88 uint32_t word1; #define lpfc_rsrc_desc_fcfcoe_vfnum_SHIFT 0 #define lpfc_rsrc_desc_fcfcoe_vfnum_MASK 0x000000ff @@ -2668,6 +2677,12 @@ struct lpfc_rsrc_desc_fcfcoe { #define lpfc_rsrc_desc_fcfcoe_eq_cnt_SHIFT 16 #define lpfc_rsrc_desc_fcfcoe_eq_cnt_MASK 0x0000ffff #define lpfc_rsrc_desc_fcfcoe_eq_cnt_WORD word13 +/* extended FC/FCoE Resource Descriptor when length = 88 bytes */ + uint32_t bw_min; + uint32_t bw_max; + uint32_t iops_min; + uint32_t iops_max; + uint32_t reserved[4]; }; struct lpfc_func_cfg { diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index cb2749a..d81fec8 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -6299,8 +6299,9 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) uint32_t shdr_status, shdr_add_status; struct lpfc_mbx_get_func_cfg *get_func_cfg; struct lpfc_rsrc_desc_fcfcoe *desc; + char *pdesc_0; uint32_t desc_count; - int length, i, rc = 0; + int length, i, rc = 0, rc2; pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { @@ -6412,18 +6413,17 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG, length, LPFC_SLI4_MBX_EMBED); - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); shdr = (union lpfc_sli4_cfg_shdr *) &pmb->u.mqe.un.sli4_config.header.cfg_shdr; shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); - if (rc || shdr_status || shdr_add_status) { + if (rc2 || shdr_status || shdr_add_status) { lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "3026 Mailbox failed , mbxCmd x%x " "GET_FUNCTION_CONFIG, mbxStatus x%x\n", bf_get(lpfc_mqe_command, &pmb->u.mqe), bf_get(lpfc_mqe_status, &pmb->u.mqe)); - rc = -EIO; goto read_cfg_out; } @@ -6431,11 +6431,18 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) get_func_cfg = &pmb->u.mqe.un.get_func_cfg; desc_count = get_func_cfg->func_cfg.rsrc_desc_count; + pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0]; + desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0; + length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc); + if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD) + length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH; + else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH) + goto read_cfg_out; + for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) { - desc = (struct lpfc_rsrc_desc_fcfcoe *) - &get_func_cfg->func_cfg.desc[i]; + desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i); if (LPFC_RSRC_DESC_TYPE_FCFCOE == - bf_get(lpfc_rsrc_desc_pcie_type, desc)) { + bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) { phba->sli4_hba.iov.pf_number = bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc); phba->sli4_hba.iov.vf_number = @@ -6449,13 +6456,11 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) "3027 GET_FUNCTION_CONFIG: pf_number:%d, " "vf_number:%d\n", phba->sli4_hba.iov.pf_number, phba->sli4_hba.iov.vf_number); - else { + else lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "3028 GET_FUNCTION_CONFIG: failed to find " "Resrouce Descriptor:x%x\n", LPFC_RSRC_DESC_TYPE_FCFCOE); - rc = -EIO; - } read_cfg_out: mempool_free(pmb, phba->mbox_mem_pool); -- 2.7.4