scsi: hpsa: correct ioaccel2 chaining
- set ioaccel2_sg_element member 'chain_indicator' to IOACCEL2_LAST_SG for the last s/g element. - set ioaccel2_sg_element member 'chain_indicator' to IOACCEL2_CHAIN when chaining. Reviewed-by: Bader Ali - Saleh <bader.alisaleh@microsemi.com> Reviewed-by: Scott Teel <scott.teel@microsemi.com> Reviewed-by: Matt Perricone <matt.perricone@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -4940,7 +4940,7 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h,
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curr_sg->reserved[0] = 0;
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curr_sg->reserved[1] = 0;
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curr_sg->reserved[2] = 0;
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curr_sg->chain_indicator = 0x80;
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curr_sg->chain_indicator = IOACCEL2_CHAIN;
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curr_sg = h->ioaccel2_cmd_sg_list[c->cmdindex];
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}
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@ -4957,6 +4957,11 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h,
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curr_sg++;
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}
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/*
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* Set the last s/g element bit
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*/
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(curr_sg - 1)->chain_indicator = IOACCEL2_LAST_SG;
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switch (cmd->sc_data_direction) {
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case DMA_TO_DEVICE:
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cp->direction &= ~IOACCEL2_DIRECTION_MASK;
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@ -517,6 +517,7 @@ struct ioaccel2_sg_element {
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u8 reserved[3];
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u8 chain_indicator;
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#define IOACCEL2_CHAIN 0x80
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#define IOACCEL2_LAST_SG 0x40
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};
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/*
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